CN112690603B

CN112690603B - Student apartment bed with folding books containing box

Info

Publication number: CN112690603B
Application number: CN202011458211.1A
Authority: CN
Inventors: 聂建春
Original assignee: Jiangxi Zhuoer Metal Equipment Group Co ltd
Current assignee: Jiangxi Zhuoer Metal Equipment Group Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2022-10-18
Anticipated expiration: 2040-12-10
Also published as: CN112690603A

Abstract

The invention relates to a student apartment bed, in particular to a student apartment bed with a foldable book storage box. The invention provides a student apartment bed with a foldable book storage box, which is simple to operate, moderate in size, convenient to take and place articles and capable of preventing articles from falling. A student apartment bed with folding books containing box, includes: a bed board mechanism is arranged between the upper parts of the two support rods; a bookcase mechanism is arranged between the rear sides of the two supporting rods. According to the invention, the user can be prevented from falling off the wide plate through the right fence and the left fence, the body of the user is protected from being injured, and the anti-falling effect is realized; through opening the main part frame feed inlet, the user places books in main part frame and rotation frame again, realizes accomodating the books effect.

Description

Student apartment bed with folding books containing box

Technical Field

The invention relates to a student apartment bed, in particular to a student apartment bed with a foldable book storage box.

Background

Student's apartment bed is a student's dormitory bed of area combination function, and it generally comprises bed, book case, wardrobe, desk and ladder frame, owing to be the cubical space combination, has not only increased the function of bed, has still saved the space of dormitory, makes the dormitory neat pleasing to the eye, and the school's management of being convenient for can remove at will, not only can satisfy the requirement of dormitory lodging number of people, can also solve the problem of dormitory storing space, lets every student all have an independent space that belongs to oneself.

Patent application CN209219645U, the publication date is 20190809, a student bed with storage tank is disclosed, including lower bed, the sealed lid of storage tank, the hold up tank, the storage tank body, put the shoe rack, fixed knot, fixed fence, student bed frame body and last bed etc, if the user wants to have a rest, can lie down and rest on last bed or lower bed, fixed fence can prevent that the user from dropping to ground from last bed or bed down, when wanting to store up article, the user takes out fixed knot earlier, open the sealed lid of storage tank, the user puts into the storage tank with article again, cover the sealed lid of storage tank down, the sealed lid of storage tank and the storage tank contact, insert fixed knot between storage tank and the sealed lid of storage tank again, it is fixed with the storage tank, however, this equipment manual operation is more, use efficiency has been reduced.

Therefore, the student apartment bed with the foldable book storage box is simple to operate, moderate in size, convenient to take and place articles and capable of preventing articles from falling off.

Disclosure of Invention

In order to overcome the defects that the traditional student bed is small in size, inconvenient to take and place articles and easy to drop articles, the invention has the technical problems that: the student apartment bed with the foldable book storage box is simple in operation, moderate in size, convenient for taking and placing articles and capable of preventing articles from falling.

The technical scheme is as follows: the utility model provides a student's apartment bed with folding books containing box, includes:

a bed board mechanism is arranged between the upper parts of the two support rods;

a bookcase mechanism is arranged between the two supporting rods.

Further, it is particularly preferable that the bed plate mechanism includes:

the upper parts of the two support rods are connected with the wide plate;

the wide plate is provided with a right fence;

and a left fence is arranged on the wide plate.

Furthermore, it is particularly preferred that the bookcase mechanism comprises:

the fixing plate is connected between the two supporting rods;

the top of the fixing plate is provided with a main body frame;

the upper part of the fixing plate is uniformly provided with the short supporting frames which are connected with the main body frame;

the main body frame is rotatably provided with extension rotating shafts;

the rotating frames are arranged on the two extending rotating shafts.

In addition, it is especially preferred that the ladder mechanism is further included, the bottom of the wide plate is provided with the ladder mechanism, and the ladder mechanism comprises:

the bottom of the wide plate is rotatably provided with the cylindrical frame;

the torsion springs are wound on the cylindrical frame, and two ends of each torsion spring are respectively connected with the wide plate and the cylindrical frame;

the fixing block is arranged at the rear part of the wide plate;

the lower part of the fixing block is rotatably provided with a limiting column;

the bolt is arranged on the lower portion of the fixing block in a sliding mode.

In addition, it is particularly preferred that the clamping device further comprises a clamping mechanism, the clamping mechanism is arranged on the fixing plate, and the clamping mechanism comprises:

the lower part of the fixed plate is provided with a fixed bottom plate;

the fixed sliding rods are arranged on the fixed base plates and are connected with the fixed plate;

the movable cylinder is connected between the two fixed sliding rods in a sliding manner;

first reset spring all has around first reset spring on two fixed slide bars, and first reset spring both ends are connected with PMKD and removal cylinder respectively.

In addition, especially preferred, still include guardrail mechanism, the broadplate bottom is equipped with guardrail mechanism, and guardrail mechanism includes:

six pulling rods are rotatably arranged at the lower parts of the wide plates;

the thickening round rods are connected among the six pulling rods in a sliding manner;

the lengthened limiting plate is arranged at the bottom of the wide plate and is in contact with the pulling rod;

the pulling rod is provided with a first full gear;

the threaded rod is arranged at the bottom of the wide plate in a threaded manner;

the gear-lacking type is arranged at the bottom of the wide plate and meshed with the first full gear;

the bottom of the wide plate is provided with a positioning block;

the connecting rod is connected between the threaded rod and the positioning block and is connected with the positioning block in a sliding manner;

the connecting rod is wound with a third return spring, and two ends of the third return spring are respectively connected with the connecting rod and the positioning block;

and the threaded rod is wound with a second return spring, and two ends of the second return spring are respectively connected with the threaded rod and the wide plate.

Further, it is particularly preferable that the apparatus further comprises a rotating mechanism including:

the upper part of the extension rotating shaft is provided with a second full gear;

the thickened round rod is provided with two connecting rings;

the two ends of the thick spring are respectively connected with the thickened round rod and the connecting ring;

the short rack is arranged on the connecting ring;

the connecting ring is provided with a lengthened rack;

the lower parts of the two connecting rings are respectively wound with a telescopic spring, two ends of the telescopic spring on one side are respectively connected with the connecting rings and the short rack, and two ends of the telescopic spring on the other side are respectively connected with the connecting rings and the lengthened rack;

the top of the main body frame is rotatably provided with a third full gear;

and a belt pulley assembly is connected between the third full gear and the extension rotating shaft.

Further, it is particularly preferable that a lift mechanism is further included, the lift mechanism including:

the bottom of the wide plate is provided with two limiting thin plates;

the pillow is connected between the two limiting thin plates and the lengthened limiting plate in a sliding manner;

the rotating plate is rotatably arranged at the bottom of the pillow;

the lower part of the rotating plate is rotatably provided with a rotating wheel;

contact lever, extension rack top are equipped with the contact lever, contact lever and runner wheel cooperation.

Compared with the prior art, the invention has the following advantages: 1. according to the invention, the user can be prevented from falling off the wide plate through the right fence and the left fence, the body of the user is protected from being injured, and the anti-falling effect is realized;

2. according to the invention, the book is placed in the main body frame and the rotating frame by a user by opening the feeding hole of the main body frame, so that the effect of accommodating the book is realized;

3. according to the invention, the cylindrical frame is vertically contacted with the ground, and a user enters the wide plate by climbing the cylindrical frame, so that the effect of climbing the cylindrical frame is realized;

4. according to the invention, the first return spring is reset, so that the moving cylinder is driven to move upwards, the moving cylinder blocks the backward movement of the cylindrical frame, and the clamping effect of the cylindrical frame is realized.

Drawings

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

Fig. 2 is a schematic perspective view of the bed plate mechanism of the present invention.

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

Figure 4 is a perspective view of the ladder mechanism of the present invention.

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

Fig. 6 is a first perspective view of the barrier mechanism of the present invention.

Fig. 7 is a perspective view of the guardrail apparatus of the present invention from a second perspective.

Fig. 8 is a first perspective view of the rotating mechanism of the present invention.

Fig. 9 is a schematic perspective view of a second perspective view of the rotating mechanism of the present invention.

Fig. 10 is a first perspective view of the lifting mechanism of the present invention.

Fig. 11 is a perspective view of a second perspective view of the lift mechanism of the present invention.

Labeled as: 1-support rod, 2-bed board mechanism, 21-wide board, 22-right rail, 23-left rail, 3-bookcase mechanism, 31-fixing plate, 32-main body frame, 33-short support frame, 34-rotating frame, 35-extending rotating shaft, 4-ladder mechanism, 41-cylindrical frame, 42-torsion spring, 43-fixing block, 44-limiting column, 45-bolt, 5-clamping mechanism, 51-fixing bottom plate, 52-fixing sliding rod, 53-moving cylinder, 54-first return spring, 6-guardrail mechanism, 61-thickening cylindrical rod, 62-pulling rod, 63-lengthening plate, 64-first full gear, 65-lacking gear, 66-threaded rod, 67-second return spring, 68-connecting rod, 69-third return spring, 610-positioning block, 7-rotating mechanism, 71-second full gear wheel assembly, 72-lengthening rack, 73-connecting ring, 74-expansion spring, 75-thickening spring, 76-short rack, 77-third full gear, 78-78, 82-rotating mechanism, 8-belt, 8-82-rotating belt, 84-rotating plate, 85-limiting plate, and lifting wheel.

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

A student apartment bed with a foldable book storage box is shown in figure 1 and comprises support rods 1, a bed plate mechanism 2 and a bookcase mechanism 3, wherein the bed plate mechanism 2 is arranged between the upper parts of the two support rods 1, and the bookcase mechanism 3 is arranged between the rear sides of the two support rods 1.

When people want to take in books, the student apartment bed with the foldable book storage box can be used, when too many books are needed, the user opens the book cabinet mechanism 3 to place the books in the book cabinet mechanism 3, and after the books are placed, the book cabinet mechanism 3 is closed, so that the user can lie down on the bed plate mechanism 2 to rest on the bed plate mechanism 2 when feeling fatigue.

Example 2

On the basis of the embodiment 1, as shown in fig. 2 and fig. 3, the bed plate mechanism 2 includes a wide plate 21, a right rail 22 and a left rail 23, the wide plate 21 is connected between the upper portions of the two support rods 1, the right rail 22 is arranged on the right side of the wide plate 21, and the left rail 23 is arranged on the left side of the wide plate 21.

When the user feels tired, the user can lie on the wide plate 21 to have a rest, the right rail 22 and the left rail 23 can prevent the user from falling off the wide plate 21, the body of the user is protected from being injured, and the anti-falling effect is achieved.

The bookcase mechanism 3 comprises a fixing plate 31, a main body frame 32, a supporting short frame 33, a rotating frame 34 and an extending rotating shaft 35, the fixing plate 31 is connected between the rear sides of the two supporting rods 1, the main body frame 32 is arranged at the top of the left side of the fixing plate 31, the supporting short frame 33 is evenly arranged on the upper portion of the left side of the fixing plate 31, the supporting short frame 33 is connected with the main body frame 32, the extending rotating shaft 35 is arranged in a mode of rotating the left side and the right side of the front side of the main body frame 32, and the rotating frame 34 is arranged on the two extending rotating shafts 35.

When user's books are too much, the user promotes outward and rotates frame 34, make and rotate frame 34 and move outward and backward, it drives extension pivot 35 and rotates to rotate frame 34, it keeps away from main body frame 32 to rotate frame 34, open main body frame 32 feed inlet, the user places books in main body frame 32 and rotation frame 34 again, the realization is accomodate the books effect, after the books are placed and are accomplished, the user promotes to the inboard and rotates frame 34, it drives extension pivot 35 antiport to rotate frame 34, make and rotate frame 34 and main body frame 32 contact, close main body frame 32 feed inlet.

Example 3

On the basis of embodiment 2, as shown in fig. 4 to 11, the ladder mechanism 4 is further included, the ladder mechanism 4 is disposed at the bottom of the right side of the wide plate 21, the ladder mechanism 4 includes a cylindrical frame 41, a torsion spring 42, a fixing block 43, a limiting column 44 and a bolt 45, the cylindrical frame 41 is rotatably disposed at the bottom of the right side of the wide plate 21, the torsion springs 42 are wound around the left and right sides of the cylindrical frame 41, two ends of each torsion spring 42 are respectively connected with the wide plate 21 and the cylindrical frame 41, the fixing block 43 is disposed at the rear portion of the right side of the wide plate 21, the limiting column 44 is rotatably disposed at the lower portion of the fixing block 43, and the bolt 45 is slidably disposed at the right side of the lower portion of the fixing block 43.

When a user wants to rest on the wide plate 21, the user takes out the bolt 45 backwards, the bolt 45 is separated from the fixing block 43 and the limiting column 44, the limiting column 44 rotates downwards, the limiting column 44 is far away from the cylindrical frame 41, the user pulls the cylindrical frame 41 forwards to enable the cylindrical frame 41 to move forwards, the torsion spring 42 is in torsional deformation, the cylindrical frame 41 stands on the front side of the wide plate 21 vertically, the cylindrical frame 41 is in vertical contact with the ground, the user enters the wide plate 21 by climbing the cylindrical frame 41 to achieve the effect of climbing the cylindrical frame 41, when the user wants to store the cylindrical frame 41, the cylindrical frame 41 is loosened, the torsion spring 42 is reset to enable the cylindrical frame 41 to move backwards, the cylindrical frame 41 is in contact with the fixing block 43, the user pulls the limiting column 44 upwards, the limiting column 44 is in contact with the fixing block 43, the user inserts the bolt 45 into the limiting column 44 and the fixing block 43, and fixes the cylindrical frame 41, the limiting column 44 and the fixing block 43.

The clamping mechanism 5 is further included, the clamping mechanism 5 is arranged on the right side of the fixing plate 31, the clamping mechanism 5 comprises a fixing bottom plate 51, fixing sliding rods 52, moving cylinders 53 and a first reset spring 54, the fixing bottom plate 51 is arranged on the lower portion of the right side of the fixing plate 31, fixing sliding rods 52 are arranged on the left side and the right side of the fixing bottom plate 51, the fixing sliding rods 52 are connected with the fixing plate 31, the moving cylinders 53 are connected between the two fixing sliding rods 52 in a sliding mode, first reset springs 54 are wound on the two fixing sliding rods 52, and two ends of each first reset spring 54 are connected with the fixing bottom plate 51 and the corresponding moving cylinder 53 respectively.

The user presses the movable cylinder 53 downwards, the first return spring 54 is compressed, and after the cylindrical frame 41 passes through the movable cylinder 53, the movable cylinder 53 is loosened, the first return spring 54 is reset, so that the movable cylinder 53 is driven to move upwards, the movable cylinder 53 blocks the cylindrical frame 41 to move backwards, and the clamping effect of the cylindrical frame 41 is realized.

The guardrail mechanism is further included 6, the bottom of the wide plate 21 is provided with the guardrail mechanism 6, the guardrail mechanism 6 comprises a thickening round rod 61, pulling rods 62, lengthening limiting plates 63, first full gears 64, gear missing wheels 65, threaded rods 66, second return springs 67, connecting rods 68, third return springs 69 and positioning blocks 610, the left side and the right side of the lower portion of the wide plate 21 are rotatably provided with six pulling rods 62, the thickening round rods 61 are slidably connected among the six pulling rods 62, the bottom of the wide plate 21 is provided with the lengthening limiting plates 63, the lengthening limiting plates 63 are in contact with the pulling rods 62, the front side of the pulling rod 62 on the right side is provided with the first full gears 64, the right side of the bottom of the wide plate 21 is provided with the gear missing wheels 65, the gear missing wheels 65 are meshed with the first full gears 64, the right side of the bottom of the wide plate 21 is provided with the positioning blocks 610, the connecting rods 68 are connected between the threaded rods 66 and the positioning blocks 610, the connecting rods 68 are slidably connected with the positioning blocks 610, the third return springs 69 are wound on the rear side of the right side of the connecting rods 68, two ends of the second return springs 66 and the second return springs 21 are respectively connected with the screw rods 67.

The user pushes the connecting rod 68 forward, the third return spring 69 is compressed, the connecting rod 68 drives the threaded rod 66 to move forward, the second return spring 67 is stretched, the threaded rod 66 drives the gear 65 to rotate, the toothed part of the gear 65 is meshed with the first full gear 64, thereby driving the first full gear 64 to rotate, the first full gear 64 drives the pulling rod 62 on the right side to rotate upward, the pulling rod 62 on the right side drives the thickening round rod 61 to move upward, thereby driving the remaining pulling rod 62 to rotate upward, when the thickening round rod 61 moves to a vertical state, the thickening round rod 61 stops moving, the thickening round rod 61 in the vertical state can prevent the user from resting, prevent from dropping from the wide plate 21, realize the effect of preventing the thickening round rod 61 from dropping, the connecting rod 68 is loosened, the third return spring 69 resets, thereby driving the connecting rod 68 to move backward, the second return spring 67 resets, thereby driving the gear 66 to move backward, the gear 66 drives the gear 65 to rotate backward, the toothed part of the gear 65 is far away from the first full gear 64, the thickening round rod 61 is influenced by the weight, the thickening round rod 61 makes the thickening round rod 62 contact with the limiting plate 62, the pulling rod 62 and the pulling rod 62, and the pulling rod 62 move downward.

The rotary mechanism 7 is further included, the rotary mechanism 7 includes a second full gear 71, a lengthened rack 72, a connecting ring 73, a telescopic spring 74, a thick spring 75, a short rack 76, a third full gear 77 and a belt pulley assembly 78, the second full gear 71 is arranged on the upper portion of the left extending rotating shaft 35, two connecting rings 73 are arranged on the rear thickening round rod 61, two thick springs 75 are wound on the rear thickening round rod 61, two ends of each thick spring 75 are respectively connected with the rear thickening round rod 61 and the connecting ring 73, a short rack 76 is arranged on the connecting ring 73 on the right side, the lengthened rack 72 is arranged on the connecting ring 73 on the left side, telescopic springs 74 are wound on the lower portions of the two connecting rings 73, two ends of each right telescopic spring 74 are respectively connected with the connecting ring 73 and the short rack 76, two ends of each left telescopic spring 74 are respectively connected with the connecting ring 73 and the lengthened rack 72, the third full gear 77 is rotatably arranged on the right side of the top of the main body frame 32, and the belt pulley assembly 78 is connected between the third full gear 77 and the right extending rotating shaft 35.

When the rear thickening round rod 61 moves upward, the thick spring 75 is compressed, the rear thickening round rod 61 drives the connecting ring 73 to move upward, thereby driving the lengthened rack 72 and the short rack 76 to move upward, the expansion spring 74 is compressed, when the rear thickening round rod 61 continues to move rightward, the thick spring 75 is reset, the expansion spring 74 is reset, the rear thickening round rod 61 drives the connecting ring 73 to move rightward, the connecting ring 73 drives the lengthened rack 72 and the short rack 76 to move rightward, the lengthened rack 72 is engaged with the second full gear 71, the short rack 76 is engaged with the third full gear 77, thereby driving the second full gear 71 and the third full gear 77 to rotate, the third full gear 77 drives the belt pulley assembly 78 to rotate, the second full gear 71 and the belt pulley assembly 78 drive the extending shaft 35 to rotate, thereby driving the rotating frame 34 to move outward, thereby realizing the effect of outward backward movement of the rotating frame 34, when the rear thickening round rod 61 moves leftward, the thick spring 75 is stretched, the expansion spring 74 is compressed, the rear thickening round rod 61 drives the connecting ring 61, the rotating frame 76 and the third full rack 76 to move leftward, thereby driving the lengthened rack 71 and the third full rack 71 and the lengthened rack 71 to move, thereby driving the lengthened rack 72 and the lengthened rack 71 and the lengthened rack 72 to move, and the lengthened rack 71 to move leftward, thereby driving the lengthened rack 72 and the lengthened rack 71 to move, and the lengthened rack 72, and the lengthened rack 71 to move, and the lengthened rack 72, and the lengthened rack 76 to move, and the lengthened rack 71 to move, and the lengthened rack 72, and the lengthened rack assembly 32 to move leftward, and the lengthened rack assembly 32, and the lengthened rack assembly to move backward, and the lengthened rack assembly to move, thereby driving the lengthened rack assembly to move.

The novel pillow is characterized by further comprising a lifting mechanism 8, wherein the lifting mechanism 8 comprises a pillow 81, limiting thin plates 82, a rotating plate 83, a rotating wheel 84 and a contact rod 85, the two limiting thin plates 82 are arranged on the right side of the bottom of the wide plate 21, the pillow 81 is connected between the two limiting thin plates 82 and the lengthened limiting plate 63 in a sliding mode, the rotating plate 83 is arranged on the bottom of the pillow 81 in a rotating mode, the rotating wheel 84 is arranged on the lower portion of the rotating plate 83 in a rotating mode, the contact rod 85 is arranged on the top of the lengthened rack 72, and the contact rod 85 is matched with the rotating wheel 84.

When the lengthening rack 72 moves rightwards, the lengthening rack 72 drives the contact rod 85 to move rightwards, the contact rod 85 is matched with the rotating wheel 84, so that the rotating wheel 84 is driven to slide rightwards, the rotating wheel 84 drives the rotating plate 83 to move upwards, so that the pillow 81 is driven to move upwards, the rotating plate 83 is in a vertical state, the pillow 81 is flush with the wide plate 21, the comfort level of a user can be increased during rest, the lifting effect of the pillow 81 is achieved, when the lengthening rack 72 moves leftwards, the lengthening rack 72 drives the contact rod 85 to move leftwards, the contact rod 85 is far away from the rotating wheel 84, the weight of the pillow 81 influences the pillow 81 to move downwards, the pillow 81 drives the rotating plate 83, and the rotating plate 83 drives the rotating wheel 84 to slide leftwards.

The embodiments described above are provided to enable persons skilled in the art to make or use the invention and that modifications or variations can be made to the embodiments described above by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of protection of the present invention is not limited by the embodiments described above but should be accorded the widest scope consistent with the innovative features set forth in the claims.

Claims

1. The utility model provides a student apartment bed with folding books containing box, characterized by includes:

a bed board mechanism (2) is arranged between the upper parts of the two support rods (1);

a bookcase mechanism (3), wherein the bookcase mechanism (3) is arranged between the two supporting rods (1);

the bed plate mechanism (2) comprises:

the upper parts of the two support rods (1) are connected with a wide plate (21);

a right rail (22), and the wide plate (21) is provided with the right rail (22);

the wide plate (21) is provided with a left fence (23);

the bookcase mechanism (3) comprises:

a fixing plate (31), wherein the fixing plate (31) is connected between the two support rods (1);

the top of the fixing plate (31) is provided with a main body frame (32);

the supporting short frames (33) are uniformly arranged at the upper parts of the fixing plates (31), and the supporting short frames (33) are connected with the main body frame (32);

the extension rotating shafts (35) are rotatably arranged on the main body frame (32);

the rotating frames (34) are arranged on the two extending rotating shafts (35);

still including guardrail mechanism (6), wide plate (21) bottom is equipped with guardrail mechanism (6), and guardrail mechanism (6) include:

six pulling rods (62) are rotatably arranged at the lower part of the wide plate (21);

the thickening round rods (61) are connected among the six pulling rods (62) in a sliding manner;

the lengthened limiting plate (63), the lengthened limiting plate (63) is arranged at the bottom of the wide plate (21), and the lengthened limiting plate (63) is in contact with the pulling rod (62);

the first full gear (64) is arranged on the pulling rod (62);

the threaded rod (66) is arranged at the bottom of the wide plate (21) in a threaded manner;

the gear-lacking type wide plate (21) is provided with a gear-lacking type (65), the bottom of the wide plate (21) is provided with the gear-lacking type (65), and the gear-lacking type (65) is meshed with the first full gear (64);

the positioning block (610) is arranged at the bottom of the wide plate (21);

the connecting rod (68) is connected between the threaded rod (66) and the positioning block (610), and the connecting rod (68) is connected with the positioning block (610) in a sliding manner;

the connecting rod (68) is wound with a third return spring (69), and two ends of the third return spring (69) are respectively connected with the connecting rod (68) and the positioning block (610);

the threaded rod (66) is wound with a second return spring (67), and two ends of the second return spring (67) are respectively connected with the threaded rod (66) and the wide plate (21);

still including rotary mechanism (7), rotary mechanism (7) include:

the upper part of the extension rotating shaft (35) is provided with a second full gear (71);

the thickened round rod (61) is provided with two connecting rings (73);

the thick spring (75), two thick springs (75) are wound on the thickened round rod (61), and two ends of the thick spring (75) are respectively connected with the thickened round rod (61) at the rear side and the connecting ring (73);

the short rack (76) is arranged on the connecting ring (73);

the connecting ring (73) is provided with a lengthened rack (72);

the lower parts of the two connecting rings (73) are respectively wound with the telescopic springs (74), two ends of the telescopic spring (74) on one side are respectively connected with the connecting rings (73) and the short racks (76), and two ends of the telescopic spring (74) on the other side are respectively connected with the connecting rings (73) and the lengthened racks (72);

a third full gear (77), wherein the top of the main body frame (32) is rotatably provided with the third full gear (77);

and a belt pulley component (78) is connected between the third full gear (77) and the extension rotating shaft (35).

2. A student's apartment bed with foldable book storage box according to claim 1, characterized by further comprising a ladder mechanism (4), the ladder mechanism (4) being provided at the bottom of the wide plate (21), the ladder mechanism (4) comprising:

the cylindrical frame (41) is rotatably arranged at the bottom of the wide plate (21);

the torsion springs (42) are wound on the cylindrical frames (41), and two ends of each torsion spring (42) are respectively connected with the wide plate (21) and the cylindrical frame (41);

the fixing block (43) is arranged on the wide plate (21);

the lower part of the fixing block (43) is rotatably provided with a limiting column (44);

the lower part of the fixing block (43) is provided with a bolt (45) in a sliding way.

3. A student apartment bed with foldable book storage box according to claim 2, characterized by further comprising a clamping mechanism (5), the fixing plate (31) being provided with the clamping mechanism (5), the clamping mechanism (5) comprising:

a fixed bottom plate (51), wherein the lower part of the fixed plate (31) is provided with the fixed bottom plate (51);

the fixed sliding rods (52) are arranged on the fixed base plates (51), and the fixed sliding rods (52) are connected with the fixed plate (31);

a moving cylinder (53), wherein the moving cylinder (53) is connected between the two fixed sliding rods (52) in a sliding way;

the first return spring (54) is wound on the two fixed sliding rods (52), and two ends of the first return spring (54) are respectively connected with the fixed bottom plate (51) and the moving cylinder (53).

4. A student apartment bed with a foldable book receiving box according to claim 3, characterised in that it further comprises a lifting mechanism (8), the lifting mechanism (8) comprising:

the bottom of the wide plate (21) is provided with two limit thin plates (82);

the pillow (81), the pillow (81) is connected between the two limiting thin plates (82) and the lengthened limiting plate (63) in a sliding way;

the rotating plate (83) is rotatably arranged at the bottom of the pillow (81);

the lower part of the rotating plate (83) is rotatably provided with a rotating wheel (84);

the contact rod (85) is arranged at the top of the lengthened rack (72), and the contact rod (85) is matched with the rotating wheel (84).