CN114711554A

CN114711554A - Combined student desk

Info

Publication number: CN114711554A
Application number: CN202210229802.4A
Authority: CN
Inventors: 黄志青
Original assignee: Jiangxi Jingliang Industry Co ltd
Current assignee: Jiangxi Jingliang Industry Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-07-08

Abstract

The invention relates to a student desk, in particular to a combined student desk. The invention provides a combined student desk capable of increasing the area of two sides of a desktop. The invention provides a combined student desk, which comprises: the top of the table frame is provided with a table plate; the left side and the right side of the bottom of the table frame are provided with supporting legs; the storage cabinet is arranged at the lower part in the desk frame and can be used for storing books for students; the desk frame is provided with an unfolding component which can increase the using area of students; the telescopic component is arranged at the bottom of the table board. The student pulls the rotor plate to rotate the expansion dorsad and increase the area with the table, and then can realize that three student uses simultaneously, and the fly leaf upwards slides and rotor plate keeps same horizontal plane to be convenient for the student write and read.

Description

Combined student desk

Technical Field

The invention relates to a student desk, in particular to a combined student desk.

Background

As the class students of junior middle school students and high school students are more in number and teaching materials and tutoring materials are more, a large number of books or exercise books are usually required to be placed on the desktop of the student desk, so that the classroom order is influenced, and the normal study of the students is seriously influenced.

Patent with patent grant publication No. CN201308273 discloses a combined student desk, which comprises a desktop, a box body and desk legs, wherein one or two book frames are arranged along one side or two upper sides of the desktop, the outer lower corners of the book frames are hinged with the corresponding upper corners of the desktop through rotating shafts, and springs and sliding plates are arranged on the inner side edges of the book frames. The vertical surface of the box body below the hinge end of the rotating shaft of the desktop is provided with a supporting plate of the rotating shaft hinge. When the student desk is used, a large number of textbooks can be stored through the book frame of the desktop hinge, and in class time, students can unfold the book frame along the outer side, so that the area of the desktop is increased, colleagues are convenient for well recording and learning in class, but the student desk cannot increase the area of the two sides of the desktop, and the effect of using three persons at the same time cannot be achieved.

Therefore, it is necessary to invent a combined student desk capable of increasing the area of the two sides of the desktop to solve the problem that the desk cannot be used by three persons,

disclosure of Invention

In order to overcome the defects that the desk for students can not increase the area of two sides of the desktop and can not be used by three people at the same time, the technical problem to be solved is that: provides a combined student desk capable of increasing the area of both sides of a desktop.

The technical scheme of the invention is as follows: a modular student desk comprising: the top of the table frame is provided with a table plate; the left side and the right side of the bottom of the table frame are provided with supporting legs; the lower part in the desk frame is provided with a storage cabinet which can be used for storing books for students; the desk frame is provided with an unfolding component which can increase the using area of students; the telescopic component is arranged at the bottom of the table board.

Furthermore, it is particularly preferred that the deployment assembly comprises: the rotating rods are rotatably arranged on the left side and the right side in the table plate; the two rotating rods are provided with rotating plates; the front ends and the rear ends of the two rotating rods are provided with rotating discs; the four turntables and the inside of the table plate are connected with the torsional springs in a winding way.

Furthermore, it is particularly preferred that the telescopic assembly comprises: the left side and the right side of the bottom of the desk plate are symmetrically provided with first guide rods in the front-back direction; the first movable frame is arranged between two adjacent first guide rods in a sliding manner and is connected with the table board in a sliding manner; the first springs are symmetrically wound between the top of the first movable frame and the bottom of the table plate in a front-back manner, and the initial states of the first springs are stretching states; the top parts of the two first movable frames are provided with movable plates, the rotating plates are contacted with the adjacent movable plates, and the movable plates are positioned at the upper part of the table plate.

In addition, it is particularly preferred that the locking device further comprises a locking assembly capable of limiting the turntable, and the locking assembly comprises: the left side and the right side of the bottom of the table plate are symmetrically provided with first clamping rods in a sliding manner back and forth, and the first clamping rods are matched with the adjacent turnplates; a second movable frame is arranged between the bottom ends of the two adjacent first clamping rods and is connected with the table frame in a sliding manner; the second springs are symmetrically wound between the tops of the two second movable frames and the bottom of the table plate in a front-back manner, and the initial states of the second springs are stretching states; the handles are arranged on the two second movable frames.

In addition, it is particularly preferred that the first movable frame further comprises a fixing assembly capable of limiting the first movable frame, and the fixing assembly comprises: the left side and the right side in the upper part of the table frame are provided with the supporting frames; the two support frames are both provided with a third movable frame in a sliding manner; the opposite sides of the two third movable frames are symmetrically provided with second clamping rods in the front-back direction, and the second clamping rods are in contact with the adjacent first movable frames; the third spring is symmetrically wound and connected between the third movable frame and the adjacent support frame in a front-back manner; the two third movable frames are provided with a first contact block at the back side; the left side and the right side in the upper part of the table frame are symmetrically provided with a second guide rod front and back; the fourth movable frame is arranged between the two adjacent second guide rods in a sliding manner; the fourth springs are symmetrically wound between the tops of the two fourth movable frames and the bottom of the table plate from front to back; the middle positions of the tops of the two fourth movable frames are respectively provided with a first contact rod, and the first contact rods are respectively contacted with the adjacent first contact blocks; the front side and the rear side of each of the two fourth movable frames are provided with a pressing rod, and the second movable frames slide downwards to push the pressing rods to move downwards.

In addition, it is particularly preferable that a height adjusting unit capable of adjusting the height of the table is further included, and the height adjusting unit includes: the sliding plates are arranged in the two supporting legs in a sliding mode, and six square holes are uniformly formed in the rear side of each sliding plate at intervals; the bottom ends of the two sliding plates are respectively provided with a bottom plate; the sliding groove frame is arranged between the rear sides of the two supporting legs; the second contact rod is arranged in the sliding groove frame in a sliding mode; the fifth spring is symmetrically connected between the top of the middle position of the second contact rod and the chute frame in the left-right direction; the first hand-pulling plate is arranged on the rear side of the middle position of the second contact rod and is connected with the chute frame in a sliding mode; the sliding rods are arranged on the left side and the right side in the sliding groove frame in a sliding mode; the front ends of the two sliding rods are respectively provided with a third clamping rod capable of limiting the supporting leg, and the third clamping rods are inserted into the uppermost square holes at the moment; the rear ends of the two sliding rods are respectively provided with a second contact block, and the second contact rods slide upwards to be in contact with the second contact blocks; and the sixth spring is wound between the rear sides of the two third clamping rods and the inside of the chute frame.

In addition, it is especially preferred that the student who still includes the placing component of article take out is convenient for, and placing component includes: a movable storage rack, wherein the movable storage rack is arranged in the storage cabinet; the left side and the right side of the front part in the movable storage rack are both provided with second hand-pulling plates; the left side and the right side in the lower part of the table frame are provided with slide rails; the gyro wheel, the equal rotary type in activity supporter rear side left and right sides is provided with the gyro wheel, and the gyro wheel all is connected with slide rail slidingtype.

In addition, it is particularly preferable that the grip is made of rubber.

Compared with the prior art, the invention has the remarkable improvements that: 1. the student pulls the rotor plate to rotate the expansion dorsad and increase the area with the table, and then can realize that three student uses simultaneously, and the fly leaf upwards slides and rotor plate keeps same horizontal plane to be convenient for the student write and read.

2. The carousel rotates to suitable position for first kelly upwards slides in the card goes into the carousel, and then carries on spacingly to the dwang, prevents that the rotor plate from packing up and restoring to the throne, no longer needs student's use tools.

3. The third adjustable shelf slides in opposite directions and drives the second kelly and remove in opposite directions, can carry on spacingly to first adjustable shelf, prevents that the student from making the in-process for first adjustable shelf slides downwards under the action of gravity that student's arm supported, influences the student and makes a writing.

4. The student promotes first hand-strap and drives the cooperation of second contact pole upwards slip and second contact piece, and then makes third kelly backsliding break away from with the quad slit, then the student pulls the supporting legs and slides from top to bottom, and then realizes adjusting the height of table.

5. The student can make the outside removal of activity supporter drive the gyro wheel and roll forward on the slide rail through pulling the second hand-strap to be convenient for the student takes out article.

Drawings

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

FIG. 2 is a first partial cross-sectional structural schematic of the present invention.

Fig. 3 is a schematic perspective view of a second embodiment of the present invention.

FIG. 4 is a second partial cross-sectional structural schematic of the present invention.

Fig. 5 is a third perspective view of the present invention.

Fig. 6 is a third partial sectional structural view of the present invention.

Figure 7 is a cross-sectional structural schematic view of the deployment assembly of the present invention.

Fig. 8 is an enlarged view of part a of the present invention.

Fig. 9 is a schematic cross-sectional view of a telescoping assembly of the present invention.

FIG. 10 is a cross-sectional structural schematic view of the locking assembly of the present invention.

Fig. 11 is an enlarged view of part B of the present invention.

Fig. 12 is a first cross-sectional structural view of the fastening assembly of the present invention.

Fig. 13 is an enlarged view of the portion C of the present invention.

Fig. 14 is a second cross-sectional structural view of the fastening assembly of the present invention.

Fig. 15 is a schematic cross-sectional view of the height adjustment assembly of the present invention.

Fig. 16 is an enlarged view of the portion D of the present invention.

Fig. 17 is a cross-sectional structural view of the placement assembly of the present invention.

Reference numerals: 1_ table frame, 2_ table board, 3_ supporting feet, 4_ storage cabinet, 5_ unfolding component, 501_ rotating rod, 502_ rotating board, 503_ turntable, 504_ torsion spring, 6_ telescopic component, 601_ first guide rod, 602_ first movable frame, 603_ first spring, 604_ movable board, 7_ locking component, 701_ first clamping rod, 702_ second movable frame, 703_ second spring, 704_ handle, 8_ fixed component, 801_ supporting frame, 802_ third movable frame, 803_ second clamping rod, 804_ third spring, 805_ first contact block, 806_ second guide rod 807, 807_ fourth movable frame, 808_ fourth spring, 809_ first contact rod, 810_ pressing rod, 9_ height adjusting component, 901_ sliding plate, 902_ bottom plate, 903_ sliding groove frame, 904_ second contact rod, 905_ fifth spring, 906_ first pulling plate, 907_ sliding rod, 908_ third clamping rod, 909_ second contact block, 910_ sixth spring, 10_ placing component, 1001_ movable shelf, 1002_ second hand-pulling plate, 1003_ slide, 1004_ roller.

Detailed Description

The following further describes the technical solution with reference to specific embodiments, and it should be noted that: the words upper, lower, left, right, and the like used herein to indicate orientation are merely for the location of the illustrated structure in the corresponding figures. The serial numbers of the parts are themselves numbered herein, for example: first, second, etc. are used solely to distinguish one from another as to objects described herein, and do not have any sequential or technical meaning. The application states that: the connection and coupling, unless otherwise indicated, include both direct and indirect connections (couplings).

Example 1

Referring to fig. 1-9, a combined student desk comprises a desk frame 1, a desk plate 2, supporting legs 3, a storage cabinet 4, an expansion assembly 5 and a telescopic assembly 6, wherein the desk plate 2 is welded on the top of the desk frame 1, the supporting legs 3 are welded on the left side and the right side of the bottom of the desk frame 1, the storage cabinet 4 is arranged on the lower portion of the inside of the desk frame 1, the storage cabinet 4 is used for storing books for students, the expansion assembly 5 is arranged on the desk frame 1, the expansion assembly 5 is used for increasing the using area of the students, and the telescopic assembly 6 is arranged on the bottom of the desk plate 2.

When needs use the device, can supply the student to place article through locker 4, then the student stimulates expansion subassembly 5 to rotate the expansion dorsad, and then realize increasing the area with table 2, simultaneously, flexible subassembly 6 upwards slides along with it keeps same horizontal plane with expansion subassembly 5, the student of being convenient for uses, at this moment student's use tool carries on spacingly to expansion subassembly 5, prevent that expansion subassembly 5 from reversing and reseing, then the student uses this device to read or write, after the use is accomplished, the student takes off the instrument, expansion subassembly 5 reverses along with it resets, expansion subassembly 5 reverses and extrudes flexible subassembly 6 and slides down and resets. The device has simple structure and convenient operation.

Example 2

Referring to fig. 7-8, based on embodiment 1, the unfolding assembly 5 includes a rotating rod 501, a rotating plate 502, a rotating disc 503 and a torsion spring 504, the rotating rods 501 are rotatably disposed on the left and right sides of the table 2, the rotating plates 502 are disposed on the two rotating rods 501, the rotating discs 503 are connected to the front and rear ends of the two rotating rods 501 by keys, and the torsion springs 504 are wound between the four rotating discs 503 and the inside of the table 2.

Referring to fig. 9, the retractable assembly 6 includes first guide rods 601, first movable frames 602, first springs 603, and movable plates 604, the first guide rods 601 are symmetrically welded to the left and right sides of the bottom of the table 2 in a front-back manner, the first movable frames 602 are slidably disposed between two adjacent first guide rods 601, the first movable frames 602 are slidably connected to the table 2, the first springs 603 are symmetrically wound between the top of the first movable frames 602 and the bottom of the table 2 in a front-back manner, the first springs 603 are in an extended state, the movable plates 604 are welded to the tops of the two first movable frames 602, the rotating plate 502 is in contact with the adjacent movable plates 604, and the movable plates 604 are located on the upper portion of the table 2.

When the device is needed to be used, a student pulls the rotating plate 502 to rotate and unfold backwards to further increase the area of the table top 2, the rotating plate 502 rotates backwards to drive the rotating rod 501 to rotate, the rotating rod 501 rotates to drive the rotating disc 503 to rotate, the torsion spring 504 deforms accordingly, the rotating plate 502 rotates backwards to no longer press the moving plate 604, the first spring 603 resets accordingly to drive the first moving frame 602 to slide upwards, the first moving frame 602 slides upwards to drive the moving plate 604 to slide upwards to keep the same horizontal plane with the rotating plate 502, at the moment, the student uses the device to limit the rotating plate 502, then the student uses the device to read or write, after the use is finished, the student takes off the tool, the torsion spring 504 resets accordingly to drive the rotating rod 501 to rotate backwards, the rotating rod 501 rotates backwards to drive the rotating plate 502 to rotate backwards to reset, the rotating plate 502 rotates backwards to press the moving plate 604 to slide downwards to reset, the moving plate 604 slides downwards to drive the first moving frame 602 to slide downwards to reset, the first spring 603 is then stretched. This device simple structure, student's pulling rotor plate 502 rotates the expansion dorsad with table 2 increase area, and then can realize that three student uses simultaneously, and fly leaf 604 upwards slides and rotor plate 502 keeps same horizontal plane to be convenient for the student write and read.

Example 3

Referring to fig. 1, 2, 3, 4, 5, 10, and 11, based on embodiment 2, the present invention further includes a locking assembly 7, where the locking assembly 7 is used to limit a turntable 503, the locking assembly 7 includes a first clamping rod 701, a second movable frame 702, a second spring 703, and a handle 704, the first clamping rod 701 is symmetrically arranged at the front and back of the left and right sides of the bottom of the table board 2, the first clamping rod 701 is matched with the adjacent turntable 503, the second movable frame 702 is arranged between the bottom ends of the two adjacent first clamping rods 701, the second movable frame 702 is connected with the table frame 1 in a sliding manner, the second spring 703 is symmetrically wound around the top of the two second movable frames 702 and the bottom of the table board 2 in a front and back manner, the initial state of the second spring 703 is an extended state, the handle 704 is welded on the two second movable frames 702, and the handle 704 is made of rubber.

When the turntable 503 rotates to a proper position, the second spring 703 resets to drive the second movable frame 702 to slide upwards, the second movable frame 702 slides upwards to drive the first clamping rod 701 to slide upwards to be clamped into the turntable 503, so that the rotating rod 501 is limited, the rotating plate 502 is prevented from being packed up and reset, the second movable frame 702 slides upwards to drive the handle 704 to move upwards, when the rotating plate 502 needs to be packed up and reset, a student pushes the handle 704 to drive the second movable frame 702 to slide downwards, the second spring 703 is stretched therewith, the second movable frame 702 slides downwards to drive the first clamping rod 701 to slide downwards to no longer clamp the turntable 503, at the moment, the rotating plate 502 is packed up and reset under the action of the torsion spring 504, and the handle 704 is made of rubber and can play a role in skid resistance, so that the handle can be used for pushing conveniently. This device simple structure, carousel 503 rotates to suitable position for first kelly 701 slides upwards and goes into in the carousel 503 is gone into to the card, and then carries on spacingly to dwang 501, prevents that rotor plate 502 from packing up and restoring to the throne, no longer needs the student to use the instrument.

Referring to fig. 2, 4, 12, 13 and 14, the table further includes a fixing assembly 8, the fixing assembly 8 is used for limiting the position of the first movable frame 602, the fixing assembly 8 includes a support frame 801, a third movable frame 802, a second clamping bar 803, a third spring 804, a first contact block 805, a second guide rod 806, a fourth movable frame 807, a fourth spring 808, a first contact rod 809 and a press rod 810, the left and right sides of the upper portion of the table frame 1 are welded with the support frames 801, the two support frames 801 are provided with the third movable frames 802 in a sliding manner, the two sides of the two third movable frames 802 opposite to each other are welded with the second clamping bar 803 in a front-back symmetrical manner, the second clamping bars 803 are both contacted with the adjacent first movable frame 602, the third springs 804 are symmetrically wound around the front and back between the third movable frames 802 and the adjacent support frames 801, the first contact block 805 is welded on the opposite side of the two third movable frames 802, the left and right sides of the upper portion of the table frame 1 are provided with the second guide rods 806 in a front-back symmetrical manner, all be provided with fourth adjustable shelf 807 between two close second guide arms 806 of slidingtype, all around having connect fourth spring 808 between two fourth adjustable shelf 807 tops and the table 2 bottom symmetrically, first contact bar 809 is all welded to two fourth adjustable shelf 807 top intermediate positions, first contact bar 809 all contacts with close first contact block 805, both sides all are provided with depression bar 810 around two fourth adjustable shelf 807, second adjustable shelf 702 slides downwards and promotes depression bar 810 and remove downwards.

When the first movable frame 602 slides upwards to press the second clamping rod 803 to drive the third movable frame 802 to slide backwards, the third spring 804 is stretched accordingly, when the first movable frame 602 slides upwards and does not press the second clamping rod 803 any more, the third spring 804 is reset to drive the third movable frame 802 to slide backwards, the third movable frame 802 slides backwards to drive the second clamping rod 803 to move backwards to limit the first movable frame 602, so as to prevent students from sliding downwards under the action of the gravity supported by the arms of the students during writing, thereby influencing the writing of the students, when the second movable frame 702 slides downwards, the second movable frame 702 slides downwards to push the pressing rod 810 to move downwards, the pressing rod 810 moves downwards to drive the fourth movable frame 807 to slide downwards, the fourth spring 808 is stretched accordingly, the fourth movable frame 807 slides downwards to drive the first contact rod 809 to move downwards, the first contact rod 809 moves downwards to press the first contact block 805 to drive the third movable frame 802 to slide backwards, the third spring 804 is stretched accordingly, the third movable frame 802 slides backward to drive the second clamping rod 803 to move backward and no longer limit the first movable frame 602, when the second movable frame 702 slides upward to reset and no longer pushes the pressing rod 810, the fourth spring 808 resets accordingly to drive the fourth movable frame 807 to slide upward to reset, the fourth movable frame 807 slides upward to drive the pressing rod 810 to move upward to reset, the fourth movable frame 807 slides upward to drive the first contact rod 809 to move upward and no longer press the first contact block 805, the third spring 804 resets accordingly to drive the third movable frame 802 to slide oppositely, and the third movable frame 802 slides oppositely to drive the second clamping rod 803 to move oppositely to reset oppositely. This device simple structure, third adjustable shelf 802 slides in opposite directions and drives second card pole 803 and remove in opposite directions, can carry on spacingly to first adjustable shelf 602, prevents that the student from writing the in-process for first adjustable shelf 602 slides downwards under the action of gravity that the student's arm supported, influences the student and writes.

Referring to fig. 1, 2, 3, 4, 5, 15 and 16, the height adjusting assembly 9 is further included, the height adjusting assembly 9 is used for adjusting the height of the table 2, the height adjusting assembly 9 includes a sliding plate 901, a bottom plate 902, a sliding slot frame 903, a second contact rod 904, a fifth spring 905, a first hand-pulling plate 906, a sliding rod 907, a third clamping rod 908, a second contact block 909 and a sixth spring 910, the sliding plate 901 is slidably disposed in each of the two support legs 3, six square holes are uniformly spaced on the rear side of the sliding plate 901, the bottom ends of the two sliding plates 901 are respectively provided with the bottom plate 902, the sliding slot frame 903 is disposed between the rear sides of the two support legs 3, the second contact rod 904 is slidably disposed in the sliding slot frame 903, the fifth springs 905 are symmetrically connected between the top of the middle position of the second contact rod 904 and the sliding slot frame 903 in a left-right direction, the rear side of the middle position of the second contact rod 904 is provided with the first hand-pulling plate 906, the first hand-pulling plate 906 is connected with the sliding groove frame 903 in a sliding manner, sliding rods 907 are arranged on the left side and the right side in the sliding groove frame 903 in a sliding manner, third clamping rods 908 are arranged at the front ends of the two sliding rods 907, the third clamping rods 908 are used for limiting supporting legs 3, the third clamping rods 908 are inserted into the uppermost square holes at the moment, second contact blocks 909 are arranged at the rear ends of the two sliding rods 907, the second contact rods 904 slide upwards to be in contact with the second contact blocks 909, and sixth springs 910 are wound between the rear sides of the two third clamping rods 908 and the inside of the sliding groove frame 903.

When the height of the desk board 2 needs to be adjusted, a student pushes the first hand-pulling plate 906 to drive the second contact rod 904 to slide upwards, the fifth spring 905 is compressed therewith, the second contact rod 904 slides upwards to press the second contact block 909, the second contact block 909 slides backwards to drive the sliding rod 907 to slide backwards, the sliding rod 907 slides backwards to drive the third clamping rod 908 to slide backwards, the sixth spring 910 is compressed therewith, the third clamping rod 908 slides backwards to be separated from the square hole, then the student pulls the supporting legs 3 to slide upwards and downwards to adjust the height of the desk board 2, after the adjustment is completed, the student releases the first hand-pulling plate 906, the fifth spring 905 resets to drive the second contact rod 904 to slide downwards, the second contact rod 904 slides downwards to not press the second contact block 909, the sixth spring 910 resets to drive the third clamping rod 908 to slide forwards to be inserted into the sliding plate 901 to adjust the height of the desk board 3 And when the position is limited, the third clamping rod 908 slides forwards to drive the sliding rod 907 to slide forwards, and the sliding rod 907 slides forwards to drive the second contact block 909 to slide forwards to reset. This device simple structure, the student promote first hand-strap 906 and drive second contact pole 904 and upwards slide and contact the cooperation of piece 909 with the second, and then make third kelly 908 slide backward and break away from with the quad slit, then the student stimulates supporting legs 3 and slides from top to bottom, and then the realization is adjusted the height of table 2.

Please refer to fig. 1, fig. 2, fig. 4, fig. 5 and fig. 17, further comprising a placement component 10, wherein the placement component 10 is convenient for students to take out articles, the placement component 10 comprises a movable placement frame 1001, a second hand-pulling plate 1002, a sliding rail 1003 and a roller 1004, the movable placement frame 1001 is placed in the storage cabinet 4, the second hand-pulling plate 1002 is welded on the left and right sides of the front portion of the movable placement frame 1001, the sliding rail 1003 is arranged on the left and right sides of the lower portion of the table frame 1, the roller 1004 is rotatably arranged on the left and right sides of the rear portion of the movable placement frame 1001, and the roller 1004 is slidably connected with the sliding rail 1003.

When needs use the device, the student puts article on activity supporter 1001, when needs take out article, the student stimulates the second-hand arm-tie 1002 and drives activity supporter 1001 outwards to move, and activity supporter 1001 outwards moves and drives gyro wheel 1004 and roll forward on slide rail 1003, and then the student takes out article, accomplishes the back, and the student promotes the second-hand arm-tie 1002 and drives activity supporter 1001 inwards to move and reset, and activity supporter 1001 inwards moves and drives gyro wheel 1004 and roll backward on slide rail 1003 and reset. This device simple structure, student are through pulling the second hand-operated arm-tie 1002, can make activity supporter 1001 outwards remove and drive gyro wheel 1004 and roll forward on slide rail 1003 to be convenient for the student takes out article.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A combined student desk is characterized by comprising:

the top of the table frame (1) is provided with a table plate (2);

the supporting legs (3) are arranged on the left side and the right side of the bottom of the table frame (1);

the storage cabinet (4) is arranged at the lower part in the table frame (1) and can be used for storing books for students;

the desk frame (1) is provided with an unfolding component (5) capable of increasing the using area of students; the telescopic component (6) is arranged at the bottom of the table plate (2).

2. A modular student desk according to claim 1 wherein the unfolding assembly (5) comprises:

the rotating rods (501) are rotatably arranged on the left side and the right side in the table plate (2);

the two rotating rods (501) are provided with rotating plates (502);

the front end and the rear end of each rotating rod (501) are provided with the rotating discs (503);

the torsion springs (504) are wound between the four rotating discs (503) and the inside of the table plate (2).

3. A modular student desk according to claim 2 wherein the retraction assembly (6) comprises:

the left side and the right side of the bottom of the table plate (2) are symmetrically provided with the first guide rods (601) front and back; the first movable frame (602) is arranged between two adjacent first guide rods (601) in a sliding manner, and the first movable frame (602) is connected with the table plate (2) in a sliding manner;

the first spring (603) is symmetrically wound between the top of the first movable frame (602) and the bottom of the table plate (2) from front to back, and the initial state of the first spring (603) is a stretching state;

the tops of the two first movable frames (602) are provided with movable plates (604), the rotating plates (502) are in contact with the adjacent movable plates (604), and the movable plates (604) are positioned at the upper part of the table plate (2).

4. A modular student desk according to claim 3 further comprising a locking assembly (7) capable of retaining the turntable (503), the locking assembly (7) comprising:

the first clamping rods (701) are symmetrically arranged at the front and back of the left side and the right side of the bottom of the table plate (2) in a sliding mode, and the first clamping rods (701) are matched with the adjacent rotary table (503);

a second movable frame (702), wherein the second movable frame (702) is arranged between the bottom ends of two adjacent first clamping rods (701), and the second movable frame (702) is connected with the table frame (1) in a sliding manner;

the second springs (703) are symmetrically wound and connected back and forth between the tops of the two second movable frames (702) and the bottom of the table plate (2), and the initial state of each second spring (703) is a stretching state;

the handles (704) are arranged on the two second movable frames (702).

5. A combined student desk according to claim 4 further comprising a fixing assembly (8) capable of limiting the position of the first movable frame (602), the fixing assembly (8) comprising:

the left side and the right side in the upper part of the table frame (1) are provided with support frames (801);

the third movable frame (802) is arranged on the two supporting frames (801) in a sliding manner; the opposite sides of the two third movable frames (802) are respectively and symmetrically provided with a second clamping rod (803) in a front-back manner, and the second clamping rods (803) are respectively contacted with the adjacent first movable frames (602);

the third spring (804) is symmetrically wound and connected between the third movable frame (802) and the adjacent support frame (801) in a front-back manner;

the first contact blocks (805) are arranged on one sides, back to the two third movable frames (802), of the two third movable frames;

the second guide rods (806) are symmetrically arranged at the front and the back of the left and the right sides in the upper part of the table frame (1);

a fourth movable frame (807), wherein the fourth movable frame (807) is arranged between two adjacent second guide rods (806) in a sliding manner;

the fourth springs (808) are symmetrically wound between the tops of the two fourth movable frames (807) and the bottom of the table plate (2) front and back;

the first contact rods (809) are arranged in the middle of the tops of the two fourth movable frames (807), and the first contact rods (809) are in contact with the adjacent first contact blocks (805);

the front side and the rear side of each of the two fourth movable frames (807) are provided with a pressure lever (810), and the second movable frame (702) slides downwards to push the pressure levers (810) to move downwards.

6. A combined student desk according to claim 5 further comprising a height adjustment assembly (9) capable of adjusting the height of the desk top (2), the height adjustment assembly (9) comprising:

the sliding plates (901) are arranged in the two supporting legs (3) in a sliding mode, and six square holes are uniformly formed in the rear sides of the sliding plates (901) at intervals;

the bottom ends of the two sliding plates (901) are respectively provided with a bottom plate (902);

a chute frame (903), wherein the chute frame (903) is arranged between the rear sides of the two supporting legs (3);

the second contact rod (904) is arranged in the sliding groove frame (903) in a sliding mode;

the fifth spring (905) is symmetrically connected between the top of the middle position of the second contact rod (904) and the chute frame (903) in the left-right direction;

the rear side of the middle position of the second contact rod (904) is provided with a first hand-pulling plate (906), and the first hand-pulling plate (906) is connected with the chute frame (903) in a sliding manner;

the sliding rods (907) are arranged on the left side and the right side in the sliding groove frame (903) in a sliding mode;

the front ends of the two sliding rods (907) are respectively provided with a third clamping rod (908) capable of limiting the supporting leg (3), and the third clamping rods (908) are inserted into the uppermost square holes at the moment;

the rear ends of the two sliding rods (907) are respectively provided with a second contact block (909), and the second contact rod (904) slides upwards to be in contact with the second contact block (909);

and the sixth springs (910) are wound between the rear sides of the two third clamping rods (908) and the inside of the chute frame (903).

7. A modular student desk according to claim 6 further including a placement module (10) for facilitating removal of items by a student, the placement module (10) comprising:

the movable shelf (1001) is placed in the storage cabinet (4);

the left side and the right side of the inner front part of the movable shelf (1001) are respectively provided with a second hand-pulling plate (1002);

the sliding rails (1003) are arranged on the left side and the right side in the lower part of the table frame (1);

the left side and the right side of the rear side of the movable shelf (1001) are rotatably provided with rollers (1004), and the rollers (1004) are slidably connected with the sliding rails (1003).

8. The combined student desk of claim 4, wherein the handle (704) is made of rubber.