CN112425951A

CN112425951A - Student apartment bed with automatic telescopic protective guard

Info

Publication number: CN112425951A
Application number: CN202011458170.6A
Authority: CN
Inventors: 夏展雄
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: 2021-03-02
Anticipated expiration: 2040-12-10
Also published as: CN112425951A8; CN112425951B

Abstract

The invention relates to a student apartment bed, in particular to a student apartment bed with an automatic retractable guardrail. The invention provides a student apartment bed with automatic retractable guardrail, which can backrest, is simple to operate, and is convenient for accessing articles. The utility model relates to a student apartment bed with an automatic retractable guardrail, which comprises a base, a shielding mechanism is arranged on the upper part of the base, a guardrail raising mechanism is arranged on the base, and the guardrail raising mechanism is connected with the shielding mechanism. In the present invention, a guardrail raising mechanism is provided, and the operation of the shielding mechanism drives the operation of the guardrail raising mechanism, thereby automatically raising the guardrail, which can protect the students. Lift the mechanism to operate, and then lean the back against the lifting mechanism, which is convenient for students to rest. By having a storage auxiliary mechanism, the operation of the storage auxiliary mechanism drives the operation of the storage mechanism to achieve the purpose of automatic lifting, which is convenient for students to carry out study or pick and place items.

Description

Student apartment bed with automatic telescopic protective guard

Technical Field

The invention relates to a student apartment bed, in particular to a student apartment bed with an automatic telescopic guard rail.

Background

Student's apartment bed is by the bed, the book case, the wardrobe, desk and ladder frame are constituteed, student's apartment is mostly the space of residing in comparatively densely crowded, shop-and-berth apartment bed is the best selection in this space, however, present general student's apartment bed only has upper and lower two berth positions and can supply the ladder from top to bottom, the structure is comparatively simple, and it is inconvenient that the user gets the thing when having a rest in the apartment bed, thereby cause user's comfort not good enough, current apartment bed has the unable adjustment of guardrail height in addition, the guardrail can't be accomodate, do not have the function that the back rises, the problem of getting is difficult for with article to put in the accommodation space.

Patent application CN209404176U, it is 2019.09.20 to disclose a apartment bed with over-and-under type guardrail, including the bed body, lower bed board, go up the bed board, the ladder, the footpost, first fixed plate, first supporter, the second fixed plate, second supporter and ann's picture peg etc, through making two sets of bearings carry out flexible removal from top to bottom, thereby make the guardrail remove, and the setting of fixed block can stabilize fix in the recess that the head backplate surface set up, the use on layer of preventing bending makes the guardrail possess toughness and increases flexible function for the guardrail, prevent to cause discomfort because hardness when using, the setting of two sets of supporters is favorable to abundant utilization space, make things convenient for accomodating of student's articles for use, be convenient for getting of article and put, however the device does not have the function that the back raised.

Therefore, it is urgently needed to develop a student apartment bed with an automatic retractable guard rail, which can be used as a backrest, is simple to operate and is convenient for storing and taking articles.

Disclosure of Invention

The invention aims to provide a student apartment bed with an automatic telescopic guard rail, which can be backed, is simple to operate and is convenient for storing and taking articles, so as to solve the defects that the traditional apartment bed in the background art is simple in structure, cannot be backed and is inconvenient for storing and taking articles.

In order to achieve the purpose, the invention provides the following technical scheme: a student apartment bed with an automatic telescopic guard rail comprises a base, wherein a shielding mechanism is arranged on the upper portion of the base, a guard rail lifting mechanism is arranged on the base, and the guard rail lifting mechanism is connected with the shielding mechanism.

As a further preferred scheme, a first support frame is arranged on the base, fixed blocks are arranged on the first support frame and the base, a first rotating shaft is rotatably connected between the fixed blocks on the upper side and the lower side, a first sliding block is slidably connected between the upper side of the first support frame and the base, shielding cloth is wound on the first rotating shaft and is connected with the first sliding block, a first spring is wound on the upper side of the first support frame, one side of the first spring is connected with the first sliding block, the other side of the first spring is connected with the fixed block on the upper side, a bearing seat is arranged on the base, a fixed disc is arranged on the bearing seat, a second rotating shaft is rotatably connected between the inner side of the upper part of the bearing seat and the inner side of the fixed disc, a take-up pulley is wound on the take-up pulley, the pull rope is connected with the first sliding block, an.

As a further preferred scheme, a first wedge block is arranged on the first sliding block, two first connecting rods are arranged on the base, first telescopic assemblies are arranged at the tops of the two first connecting rods, a handrail is connected between the tops of the two first telescopic assemblies, a second connecting rod is arranged on the handrail, a second wedge block is arranged on the second connecting rod, and the second wedge block is matched with the first wedge block.

As a further preferred scheme, the base is hinged with a first hinged block, the top of the first hinged block is provided with a pull rod, the pull rod is provided with a second slider, the second slider is connected with the base in a sliding manner, the base is hinged with two second hinged blocks, a straight plate is connected between the two second hinged blocks, the second slider is connected with the straight plate, the straight plate is matched with the base, the base is provided with a second telescopic assembly, the second telescopic assembly is provided with a third connecting rod, the third connecting rod is provided with a third telescopic assembly, the third telescopic assembly is provided with a third wedge, and the third wedge is matched with the base.

As a further preferable scheme, a second support frame is arranged on the base, two fourth telescopic assemblies are arranged at the bottom of the second support frame, and a material containing plate is connected between the bottoms of the two fourth telescopic assemblies.

As a further preferable scheme, a fourth connecting rod is arranged on the second supporting frame, a fifth telescopic assembly is arranged on the fourth connecting rod, a fourth wedge block is arranged on the fifth telescopic assembly, a fifth wedge block is arranged on the material containing plate, and the fifth wedge block is matched with the fourth wedge block.

As a further preferable scheme, a fifth connecting rod is arranged on the third connecting rod, a push rod is arranged on the fifth connecting rod, the push rod is connected with the base in a sliding mode, a second spring is wound on the push rod, one side of the second spring is connected with the base, and the other side of the second spring is connected with the fifth connecting rod.

As a further preferable scheme, the material of the fixing block is alloy.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the shielding mechanism is arranged, so that students can operate the shielding mechanism, thereby shielding external strong light and dust, and preventing the students from influencing the rest;

2. according to the invention, the protective guard lifting mechanism is arranged, and the shielding mechanism can drive the protective guard lifting mechanism to operate while operating, so that the protective guard can be automatically lifted, and thus, the protective effect can be achieved for students;

3. according to the invention, the backrest lifting mechanism is arranged, so that the student operates the backrest lifting mechanism, and leans against the back of the student in the lifting mechanism, so that the student can have a rest conveniently;

4. according to the invention, the containing mechanism is arranged, so that students can operate the containing mechanism and learn or take and place articles in the containing mechanism, and the convenience is realized;

5. according to the invention, the storage auxiliary mechanism is arranged, the shielding mechanism operates to drive the storage auxiliary mechanism to operate, so that the storage mechanism operates, the purpose of automatic lifting is achieved, and students can conveniently learn or take and place articles;

6. the backrest lifting mechanism is provided with the backrest auxiliary mechanism, and the backrest lifting mechanism is returned to the original position by the operation of the backrest auxiliary mechanism, so that the operation is simple and convenient.

Drawings

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

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

Fig. 3 is a schematic perspective view of a guard rail lifting mechanism according to the present invention.

Fig. 4 is a schematic sectional perspective view of the backrest lifting mechanism of the present invention.

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

Fig. 6 is a schematic perspective view of the auxiliary mechanism of the present invention.

Fig. 7 is a schematic perspective view of the backrest auxiliary mechanism of the present invention.

Wherein: 1-base, 2-shading mechanism, 21-first support frame, 22-fixed block, 23-first rotating shaft, 24-first sliding block, 25-shading cloth, 26-bearing seat, 27-second rotating shaft, 28-take-up pulley, 29-fixed disc, 210-elastic rotating component, 211-pull rope, 212-first spring, 3-guard rail lifting mechanism, 31-first wedge block, 32-first connecting rod, 33-first telescopic component, 34-guard rail, 35-second connecting rod, 36-second wedge block, 4-backrest lifting mechanism, 41-first hinged block, 42-pull rod, 43-second sliding block, 44-straight plate, 45-second hinged block, 46-second telescopic component, 47-third connecting rod, 48-a third telescopic assembly, 49-a third wedge block, 5-a containing mechanism, 51-a second support frame, 52-a fourth telescopic assembly, 53-a material containing plate, 6-a containing auxiliary mechanism, 61-a fourth connecting rod, 62-a fifth telescopic assembly, 63-a fourth wedge block, 64-a fifth wedge block, 7-a backrest auxiliary mechanism, 71-a fifth connecting rod, 72-a push rod and 73-a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a student apartment bed with an automatic telescopic guard rail comprises a base 1, a shielding mechanism 2, a first support frame 21, a fixed block 22, a first rotating shaft 23, a first sliding block 24, shielding cloth 25, a bearing seat 26, a second rotating shaft 27, a take-up pulley 28, a fixed disc 29, an elastic rotating assembly 210, a pull rope 211, a first spring 212, a guard rail lifting mechanism 3, a first wedge-shaped block 31, a first connecting rod 32, a first telescopic assembly 33, a railing 34, a second connecting rod 35, a second wedge-shaped block 36, a backrest lifting mechanism 4, a first hinged block 41, a pull rod 42, a second sliding block 43, a straight plate 44, a second hinged block 45, a second telescopic assembly 46, a third connecting rod 47, a third telescopic assembly 48, a third wedge-shaped block 49, a containing mechanism 5, a second support frame 51, a fourth telescopic assembly 52, a material containing plate 53, a containing auxiliary mechanism 6, a fourth connecting rod 61, a fifth telescopic assembly 62, a third telescopic assembly 48, a, The backrest protection device comprises a fourth wedge-shaped block 63, a fifth wedge-shaped block 64, a backrest auxiliary mechanism 7, a fifth connecting rod 71, a push rod 72 and a second spring 73, wherein a shielding mechanism 2 is arranged on the upper portion of a base 1, a guard rail lifting mechanism 3 is arranged on the upper portion of the front side of the base 1, and the guard rail lifting mechanism 3 is connected with the shielding mechanism 2.

The front side of the top of the base 1 is provided with a first support frame 21, the right part of the upper side of the first support frame 21 and the right part of the front side of the top of the base 1 are both provided with fixed blocks 22, a first rotating shaft 23 is rotatably connected between the fixed blocks 22 at the upper side and the lower side, a first slider 24 is slidably connected between the upper side of the first support frame 21 and the base 1, shielding cloth 25 is wound on the first rotating shaft 23, the shielding cloth 25 is connected with the first slider 24, a first spring 212 is wound on the upper side of the first support frame 21, the left side of the first spring 212 is connected with the first slider 24, the right side of the first spring 212 is connected with the fixed block 22 at the upper side, the front side of the upper part of the left side of the base 1 is provided with a bearing seat 26, the rear side of the top of the bearing seat 26 is provided with a fixed disk 29, a second rotating shaft 27 is rotatably connected between the inner side of the upper part, the inner side of the rear part of the second rotating shaft 27 is slidably provided with an elastic rotating component 210, and the elastic rotating component 210 is matched with the fixed disc 29.

First slider 24 front side lower part is equipped with first wedge 31, is equipped with two head rods 32 on the base 1, and the head rod 32 top of the left and right sides all is equipped with first flexible subassembly 33, is connected with railing 34 between the first flexible subassembly 33 top of the left and right sides, and railing 34 bottom left side is equipped with second connecting rod 35, and second connecting rod 35 top left side is equipped with second wedge 36, second wedge 36 and the cooperation of first wedge 31.

Base 1 top side rear portion inboard articulates there is first articulated piece 41, first articulated piece 41 top is equipped with pull rod 42, pull rod 42 bottom left side is equipped with second slider 43, second slider 43 and 1 sliding type connection of base, base 1 top front and back both sides all articulate there is articulated piece 45 of second, be connected with straight plate 44 between the articulated piece 45 of second of front and back both sides, second slider 43 is connected with straight plate 44, straight plate 44 and the cooperation of base 1, base 1 rear side is equipped with second telescopic component 46, second telescopic component 46 rear side is equipped with third connecting rod 47, third connecting rod 47 front side upper portion is equipped with third telescopic component 48, third telescopic component 48 front side is equipped with third wedge 49, third wedge 49 and the cooperation of base 1.

The second support frame 51 is arranged at the right part of the rear side of the top of the base 1, two fourth telescopic assemblies 52 are arranged at the bottom of the second support frame 51, and a material containing plate 53 is connected between the bottoms of the fourth telescopic assemblies 52 at the front side and the rear side.

The rear part of the bottom side of the second support frame 51 is provided with a fourth connecting rod 61, the lower part of the left side of the fourth connecting rod 61 is provided with a fifth telescopic assembly 62, the left side of the fifth telescopic assembly 62 is provided with a fourth wedge block 63, the left side of the rear part of the material containing plate 53 is provided with a fifth wedge block 64, and the fifth wedge block 64 is matched with the fourth wedge block 63.

The lower part of the left side of the third connecting rod 47 is provided with a fifth connecting rod 71, the left side of the front part of the fifth connecting rod 71 is provided with a push rod 72, the push rod 72 is connected with the base 1 in a sliding way, a second spring 73 is wound on the push rod 72, the front side of the second spring 73 is connected with the base 1, and the rear side of the second spring 73 is connected with the fifth connecting rod 71.

When the student need have a rest in bed, at first the student climbs base 1 top, then make and shelter from mechanism 2 operation, it can shelter from external highlight and dust to shelter from mechanism 2, it drives the operation of rail guard raising mechanism 3 to shelter from mechanism 2 simultaneously, rail guard raising mechanism 3 can prevent that the student from dropping from base 1, thereby play the guard action, the student can have a rest afterwards, treat that the student has a rest the back, the student makes and shelters from mechanism 2 and stops the operation and resume the normal position, then make rail guard raising mechanism 3 stop the operation and resume the normal position, the student leaves base 1 afterwards, if this equipment of reuse, repeat above-mentioned step can.

In the initial state, the elastic rotating component 210 is matched with the fixed disk 29, after a student climbs the base 1, the elastic rotating component 210 is manually made to slide backwards in the second rotating shaft 27, so that the elastic rotating component 210 is separated from the fixed disk 29, meanwhile, the elastic rotating component 210 is changed into a compression state from the initial state, then the student manually makes the elastic rotating component 210 make circular motion, further, the second rotating shaft 27 is made to rotate, the second rotating shaft 27 rotates to drive the take-up pulley 28 to rotate, the take-up pulley 28 rotates and winds the pull rope 211, further, the first sliding block 24 slides leftwards on the first supporting frame 21 and the base 1, the first spring 212 is changed into a stretching state from the initial state, meanwhile, the first sliding block 24 pulls the shielding cloth 25, further, the first rotating shaft 23 rotates and releases the shielding cloth 25, so that the shielding cloth 25 can shield external strong light and dust, thereby preventing the student from influencing rest, then the student stops the movement of the elastic rotation assembly 210 to stop the movement of the shielding cloth 25, then the student releases the elastic rotation assembly 210, the elastic rotation assembly 210 is reset from the compressed state, the elastic rotation assembly 210 is matched with the fixed tray 29 again, after the student has a rest, the student manually moves the elastic rotation assembly 210 backwards until the elastic rotation assembly 210 is separated from the fixed tray 29, at this time, the elastic rotation assembly 210 is changed from the initial state to the compressed state, the first spring 212 is reset from the stretched state, the elastic force enables the first sliding block 24 to move back to the original position, the student manually enables the first rotating shaft 23 to reversely rotate back to the original position, the first rotating shaft 23 rotates and winds up the shielding cloth 25, in addition, the first sliding block 24 moves and pulls the pull rope 211 to enable the second rotating shaft 27 and the take-up wheel 28 to reversely rotate back to the original position, so that the elastic rotation assembly 210 reversely moves, then the student releases the elastic rotation assembly, the elastic rotation member 210 is restored and is again engaged with the fixed disk 29.

When the first sliding block 24 moves leftwards, the first sliding block 24 drives the first wedge-shaped block 31 to move leftwards, after the first wedge-shaped block 31 moves to be in contact with the second wedge-shaped block 36, the first wedge-shaped block 31 moves leftwards to enable the second wedge-shaped block 36 to move upwards, the second connecting rod 35 moves upwards to enable the railing 34 to move upwards, so that the student is protected, meanwhile, the first telescopic assembly 33 is changed from an initial state to a stretching state, after the student has a rest, the first sliding block 24 moves back to the right to enable the first wedge-shaped block 31 to move back to the right, at the moment, the first telescopic assembly 33 is reset from the stretching state, and the railing 34 and the second wedge-shaped block 36 move back to the original position through elasticity.

When a student sits on the top of the base 1, the student manually rotates the pull rod 42 upwards, the pull rod 42 moves to move the first hinge block 41, the second slide block 43 slides upwards in the base 1, the second slide block 43 moves to rotate the straight plate 44 upwards, the second hinge block 45 moves, when the second slide block 43 moves to be in contact with the third wedge block 49, the second slide block 43 moves to move the third wedge block 49 backwards, the third telescopic assembly 48 changes from an initial state to a compressed state, the third connecting rod 47 moves backwards, the second telescopic assembly 46 changes from the initial state to a stretched state, when the second slide block 43 is separated from the third wedge block 49, the second telescopic assembly 46 is reset from the stretched state, the third connecting rod 47 is reset by elasticity, the third telescopic assembly 48 is reset from the compressed state, the third wedge block 49 is reset back, and the second slide block 43 is clamped, therefore, the straight plate 44 can be prevented from rotating downwards, the student leans against the straight plate 44 with the back, the student can take a rest conveniently, after the student does not need to lean against the back, the student manually enables the third connecting rod 47 to move backwards, the third wedge-shaped block 49 is separated from the second sliding block 43, the straight plate 44 and the pull rod 42 rotate back to the original position due to gravity, the student loosens the third connecting rod 47, the second telescopic assembly 46 resets, and the third connecting rod 47 and the third wedge-shaped block 49 move back to the original position.

When a student leans against the straight plate 44, the student manually pulls the material containing plate 53 downwards, the fourth telescopic assembly 52 is changed from an initial state to a stretching state, then the student can learn or take and place objects on the material containing plate 53, after the student finishes learning or takes and place the objects, the student loosens the material containing plate 53, the fourth telescopic assembly 52 is reset from the stretching state, and the material containing plate 53 is moved back to the original position through elasticity.

When the pull rod 42 is rotated upwards to be in contact with the fourth wedge-shaped block 63, the pull rod 42 rotates to enable the fourth wedge-shaped block 63 to move rightwards, the fifth telescopic assembly 62 is changed to be in a compressed state from an initial state, meanwhile, the fourth wedge-shaped block 63 moves rightwards to enable the fifth wedge-shaped block 64 to move downwards, further, the material containing plate 53 moves downwards, then, students can learn or take and place objects on the material containing plate 53, when the pull rod 42 is rotated back to the original position, the fifth telescopic assembly 62 is reset from the compressed state, the fourth wedge-shaped block 63 moves back to the original position, meanwhile, the fourth telescopic assembly 52 enables the material containing plate 53 and the fifth wedge-shaped block 64 to move back upwards to the original position, and therefore the purpose of automatic lifting is.

When the student does not need to use the backrest, the student manually enables the push rod 72 to slide backwards in the base 1, the push rod 72 moves to enable the fifth connecting rod 71 to move backwards, the second spring 73 changes from the initial state to the stretching state, meanwhile, the fifth connecting rod 71 drives the third connecting rod 47 to move backwards, the third wedge block 49 further moves backwards, the third wedge block 49 moves and is separated from the second sliding block 43, the straight plate 44 rotates back downwards due to gravity, the student releases the push rod 72, the second spring 73 resets from the stretching state, the fifth connecting rod 71 and the push rod 72 move back to the original position due to elastic force, and then the third connecting rod 47 and the third wedge block 49 are assisted to move back to the original position, so that the operation is simple and convenient.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The student apartment bed with the automatic telescopic guard rails comprises a base (1) and is characterized in that a shielding mechanism (2) is arranged on the upper portion of the base (1), a guard rail lifting mechanism (3) is arranged on the base (1), and the guard rail lifting mechanism (3) is connected with the shielding mechanism (2).

2. The student apartment bed with the automatic retractable guard rail as claimed in claim 1, wherein the base (1) is provided with a first support frame (21), the first support frame (21) and the base (1) are provided with fixing blocks (22), a first rotating shaft (23) is rotatably connected between the fixing blocks (22) at the upper and lower sides, a first slider (24) is slidably connected between the upper side of the first support frame (21) and the base (1), a shielding cloth (25) is wound on the first rotating shaft (23), the shielding cloth (25) is connected with the first slider (24), a first spring (212) is wound on the upper side of the first support frame (21), one side of the first spring (212) is connected with the first slider (24), the other side of the first spring (212) is connected with the fixing block (22) at the upper side, the base (1) is provided with a bearing seat (26), and the bearing seat (26) is provided with a fixing plate (29), a second rotating shaft (27) is rotatably connected between the inner side of the upper part of the bearing seat (26) and the inner side of the fixed disc (29), a wire winding wheel (28) is arranged on the second rotating shaft (27), a pull rope (211) is wound on the wire winding wheel (28), the pull rope (211) is connected with the first sliding block (24), an elastic rotating assembly (210) is slidably arranged on the inner side of the second rotating shaft (27), and the elastic rotating assembly (210) is matched with the fixed disc (29).

3. The student apartment bed with the automatic retractable guard rail as claimed in claim 2, wherein the first slider (24) is provided with a first wedge block (31), the base (1) is provided with two first connecting rods (32), the tops of the two first connecting rods (32) are provided with first retractable assemblies (33), a rail (34) is connected between the tops of the two first retractable assemblies (33), the rail (34) is provided with a second connecting rod (35), the second connecting rod (35) is provided with a second wedge block (36), and the second wedge block (36) is matched with the first wedge block (31).

4. The student apartment bed with the automatic telescopic guard rail as claimed in claim 3, wherein a first hinge block (41) is hinged on the base (1), a pull rod (42) is arranged at the top of the first hinge block (41), a second slide block (43) is arranged on the pull rod (42), the second slide block (43) is connected with the base (1) in a sliding manner, two second hinge blocks (45) are hinged on the base (1), a straight plate (44) is connected between the two second hinge blocks (45), the second slide block (43) is connected with the straight plate (44), the straight plate (44) is matched with the base (1), a second telescopic assembly (46) is arranged on the base (1), a third connecting rod (47) is arranged on the second telescopic assembly (46), a third telescopic assembly (48) is arranged on the third connecting rod (47), and a third wedge block (49) is arranged on the third telescopic assembly (48), the third wedge (49) cooperates with the base (1).

5. The student apartment bed with the automatic retractable guard rail as claimed in claim 4, wherein the base (1) is provided with a second support frame (51), two fourth retractable assemblies (52) are provided at the bottoms of the second support frame (51), and a material holding plate (53) is connected between the bottoms of the two fourth retractable assemblies (52).

6. The student apartment bed with the automatic retractable guard rail as claimed in claim 5, wherein the second support frame (51) is provided with a fourth connecting rod (61), the fourth connecting rod (61) is provided with a fifth retractable assembly (62), the fifth retractable assembly (62) is provided with a fourth wedge-shaped block (63), the material containing plate (53) is provided with a fifth wedge-shaped block (64), and the fifth wedge-shaped block (64) is matched with the fourth wedge-shaped block (63).

7. The student apartment bed with the automatic retractable guard rail as claimed in claim 6, wherein the third connecting rod (47) is provided with a fifth connecting rod (71), the fifth connecting rod (71) is provided with a push rod (72), the push rod (72) is slidably connected with the base (1), the push rod (72) is wound with a second spring (73), one side of the second spring (73) is connected with the base (1), and the other side of the second spring (73) is connected with the fifth connecting rod (71).

8. The student apartment bed with the automatic retractable guard rail as claimed in claim 7, wherein the material of the fixing block (22) is an alloy.