CN211911093U - Dustproof bunk - Google Patents

Abstract

The utility model relates to a dust-proof upper and lower bunk, which comprises a support frame. The support frame comprises a bed frame, a bed beam and a bed bar. The bed beam is provided with two layers along the height direction of the bed frame, so that the bed frame and the bed beam are formed between the bed frame and the bed beam. In the cube frame, the upper and lower bed bars form the upper bunk and the lower bunk; the three bed beams of the upper bunk are respectively fixed with a first fixing strip, a second fixing strip and a third fixing strip, and the first fixing strip is recessed with a strip groove. A rotating shaft is rotatably connected in the bar-shaped groove, and a spring box is rotatably connected to both ends of the rotating shaft. The spring box is fixed to the side wall of the bar-shaped groove, and a coil spring is arranged in the spring box. One end of the dust cloth is fixed along the length direction of the rotating shaft and is wound on the peripheral side wall of the rotating shaft, the other end of the dust cloth is provided with a hook, and the bed beam corresponding to the strip groove is provided with a collar. The utility model has the advantages of a self-contained dust-proof cloth and the ability to directly store the dust-proof cloth when not in use without occupying too much living space.

Description

A dust-proof bunk

technical field

The utility model relates to a bed, in particular to a dust-proof upper and lower bunk.

Background technique

At present, the bunk beds that are often used in collective dormitories have various problems in daily life, such as the upper bunk shaking the bed, because most of the bed boards are wooden and the surface is rough, the shaking of the bed During the process, sawdust will fall on the body or eyes of the person on the lower bunk, affecting the quality of sleep; most of the upper and lower bunks are open. The bed curtain is hung, but the bed curtain itself is very heavy, and the upper and lower bunks rarely have a structure for setting the bed curtain, which makes the process of hanging and removing the bed curtain extremely cumbersome.

Patent Publication No. CN204764487U discloses a multifunctional student dormitory bed, a multifunctional student dormitory bed, which includes a bed frame, the bed frame includes a dormitory bed body with bunks and bunks, and is supported at four corners of the dormitory bed. There are mosquito net support rods and guardrails on the side of the dormitory bed body, and there is a ladder on one side of the bed frame leading to the upper bunk; the bed frame of the dormitory bed is provided with a rotatable movable table, which can be used to place study and living furniture; all The bottom edge of the movable table top is connected to the bed frame through a rotatable part, the left and right sides of the movable table top are connected with chains, and one end of the chain is connected to the bed frame; when the movable table top is opened , the bottom edge of the desktop is supported on the bed frame, and the two sides of the desktop are suspended on the bed frame by chains; the bed frame of the dormitory bed is also provided with a buckle, when the movable desktop is folded, the desktop is close to the bed frame , the bottom edge of the desktop is supported on the bed frame, and the upper end of the desktop is fixed on the bed frame through the buckle on the bed frame; the left and right sides of the movable desktop and the outside of the chain are wrapped with canvas, and the bed in front of the movable desktop is There are also baffles on the shelf to prevent items from slipping off the table.

The above technical solution is used to set up bed curtains or mosquito nets by setting up mosquito net support rods at the four corners of the dormitory bed. In winter or cold weather, in order to avoid the mosquito nets occupying more living space, it is necessary to Remove the mosquito net, but the process of removing the mosquito net and bed curtain after installation is more troublesome.

Utility model content

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a dust-proof upper and lower bunk, which has the advantage of having its own dust-proof cloth and being able to directly store the dust-proof cloth when not in use without occupying too much living space.

The purpose of the above-mentioned utility model is achieved through the following technical solutions: a dust-proof upper and lower bunk, comprising a support frame, two bed boards fixed on a single support frame, and a bed ladder fixed between adjacent support frames, the bed ladder The two sides not fixed with the support frame are steps and flat surfaces respectively; the support frame includes four bed frames fixed vertically on the ground, and a bed beam fixed laterally between two adjacent bed frames; There are two layers in the height direction. In the same layer, the bed beams form a rectangular frame, so that a cubic frame is formed between the bed frame and the bed beam; in the same layer, the opposite surfaces of the two bed beams that are the long sides of the rectangular frame are formed. Several bed bars are fixed between them, and the top end faces of the upper and lower bed bars are used to be fixed with the bed board to form the upper bunk and the lower bunk; The bed beam with the first fixing bar is on the same side as the stepped side of the bed ladder, the first fixing bar is recessed with a bar-shaped groove with an opening facing downward, a rotating shaft is rotatably connected in the bar-shaped groove, and a spring box is rotatably connected at both ends of the rotating shaft , the spring box is fixed with the groove wall of the strip groove, a coil spring is arranged in the spring box, one end of the coil spring is fixed on the inner side wall of the rotating shaft and the other end is fixed on the inner side wall of the spring box; the peripheral side wall of the rotating shaft is provided with dustproof cloth, dustproof cloth One end of the dust-proof cloth is fixed along the length direction of the rotating shaft and wrapped around the peripheral side wall of the rotating shaft. The other end of the dustproof cloth is provided with a hook and protrudes from the bar-shaped groove. The bed beam corresponding to the opening of the bar-shaped groove is provided with a sleeve. ring.

By adopting the above technical solution, when in use, the dustproof cloth is taken out through the hook, and after adjusting to a suitable length, the dustproof cloth can block the lower bunk and the upper bunk by fixing the hook to the sleeve, so that the dustproof cloth acts as a The use of bed curtains can increase personal privacy and improve sleep quality. When it is necessary to recycle, remove the hook. At this time, since there are coil springs on both sides of the rotating shaft, the rotating shaft rotates and retracts the dustproof cloth to realize the rapid storage of the dustproof cloth. , reducing the excessive living space it occupies.

The utility model is further configured as follows: an inner rod is arranged inside the bar-shaped groove below the rotating shaft, one end of the inner rod is threadedly connected with the groove wall of the bar-shaped groove, and the other end of the inner rod is threaded. Passing through the strip groove and extending from the side wall of the first fixing strip, a partition is arranged between the inner rod and the rotating shaft, and the partition is fixed with the groove wall of the strip groove, The inner rod and the rotating shaft pass through the partition plate and are respectively rotatably connected to the partition plate. The side of the partition plate facing the spring box is provided with a ratchet wheel and a pawl, and the ratchet wheel is fixed on the rotating shaft and attached to the partition plate. , the pawl is rotatably connected to the inner rod and attached to the partition. A limit block protrudes from one side of the partition plate provided with the ratchet pawl, and the end of the limit block close to the outer side of the pawl is fixed with a leaf spring, and the leaf spring is in contact with the outer side of the pawl.

By adopting the above technical solution, when the dustproof cloth is pulled out from the strip groove, the rotating direction of the rotating shaft at this time is the same as the rotating direction of the ratchet pawl mechanism, so that the dustproof cloth can be pulled out smoothly, and the coil spring shrinks , When the dustproof cloth is pulled out to a suitable length, loosen the dustproof cloth, because the rotation trend of the rotating shaft is blocked by the anti-return structure of the ratchet pawl mechanism at this time, the dustproof cloth will not retract at this time, which is convenient to use To fix the dustproof cloth, when the dustproof cloth needs to be retracted, the pawl is temporarily separated from the ratchet by rotating the inner rod exposed to the side wall of the first fixing bar. The dust cloth is recycled, which in turn makes the process of setting up the dust cloth simpler and more convenient.

The utility model is further configured as follows: a stepper motor is fixed at one end of the inner rod passing through the first fixing bar, the inner rod is axially plug-connected with the rotating shaft of the stepper motor, and is prevented from rotating by a rotation stopper, and the stepper motor A control switch is arranged in series with the motor, and the control switch is fixed on the bed frame.

By adopting the above technical solution, the manual retraction of the dust-proof cloth is changed to electric, and since the set motor is a stepper motor, the reset of the pawl is more accurate, and the manual is changed to electronic control, and the storage process is simpler and more convenient.

The utility model is further configured as follows: the bed beam is fixed with a second fixing strip, the structure of the second fixing strip is the same as that of the first fixing strip, the opening of the strip groove faces downward, and the bed beam and the bed ladder are fixed with the second fixing strip. The flat surface facing away from the steps is on the same side, and the bed beam corresponding to the hook at the end of the dustproof cloth is provided with a collar. The side of the dustproof cloth facing the wall is a plastic cloth, and the side facing the bed is a cotton cloth. .

By adopting the above technical solutions, since the dormitory walls are generally painted with putty, the dormitory members directly contact the putty layer during sleep. Continuous collision or scratching with sharp objects will cause the putty layer to detach, which will cause white powder to stick to the bedding or clothes of dormitory members. The side facing the wall is a plastic sheet, which makes it difficult for dust to stick to the dust cloth, and the side facing the dormitory members is a cotton cloth, which improves the sleep quality of the dormitory members.

The utility model is further configured as follows: the side wall of the bed beam located on the upper bunk as the short side of the rectangular frame body facing the outer side is fixed with a third fixing strip. The structure of the third fixing strip is the same as that of the first fixing strip. The opening faces the side wall of another bed beam arranged in parallel in the same layer of the bed beam, and the end of the corresponding dustproof cloth and the side wall of the bed beam are respectively provided with hooks and collars.

By adopting the above technical solution, since the bed board and bed bar of the upper bunk are often made of wood, and the surface is rough, when a person sleeps on the upper bunk, it will shake, causing the sawdust to fall from the upper bunk to the lower bunk. The cloth will cover the bottom of the upper bunk, thus playing the role of dustproof.

The utility model is further configured as follows: the dustproof cloth in the third fixing strip is fixed with a zipper extending along the width thereof.

By adopting the above technical solution, it is convenient to remove the dustproof cloth for cleaning.

The utility model is further configured as follows: the upper bunk and the lower bunk are provided with guardrails.

By adopting the above technical solution, the user is prevented from falling while sleeping.

The utility model is further configured as follows: a drawer is arranged in the bed ladder.

By adopting the above technical solutions, the space is more fully utilized, and it also has the function of storage as a staircase.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

The upper and lower bunks come with dust-proof cloth, and the dust-proof cloth can be quickly stored and installed, used as a bed curtain to improve sleep quality and provide private space;

Cover the bottom of the upper bunk to prevent sawdust from falling;

Set up a dustproof cloth on the side close to the wall to prevent the putty powder on the wall from scratching the dormitory members;

Drawers are arranged in the cabinet to make full use of the space, and it also has the function of storage as a staircase.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the bottom structure schematic diagram of the present utility model;

Fig. 3 is the enlarged schematic diagram of A part in Fig. 2;

Fig. 4 is the explosion schematic diagram of the dustproof cloth of the present utility model;

Fig. 5 is the enlarged schematic diagram of part B in Fig. 4;

Fig. 6 is the structural representation of the spring box of the present utility model;

FIG. 7 is an enlarged schematic view of part C in FIG. 4 .

In the figure, 1, support frame; 11, bed frame; 12, bed beam; 13, bed bar; 14, upper bunk; 15, lower bunk; 16, guardrail; 17, bed board; 18, bed ladder; 181, drawer; 182, groove; 2, first fixing strip; 21, strip groove; 22, shaft; 23, spring box; 24, dust cloth; 25, hook; 26, collar; 27, partition plate; 28, ratchet ; 29, pawl; 291, leaf spring; 210, inner rod; 211, limit block; 213, coil spring; 4, stepper motor; 5, control switch; 6, zipper; 7, second fixing strip; 8 , the third fixed article.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 , the utility model discloses a dust-proof upper and lower bunk, comprising a support frame 1 , two bed boards 17 fixed to a single support frame 1 , and a bed ladder 18 fixed between adjacent support frames 1 .

The bed ladder 18 is formed by stacking a plurality of boxes, and the top areas of the boxes gradually decrease from bottom to top to form a ladder. A drawer 181 is provided in the box, and a groove 182 is formed on the surface of the drawer 181 , and the groove 182 is used for pulling out the drawer 181 .

The support frame 1 includes four bed frames 11 fixed vertically on the ground, and a bed beam 12 laterally fixed between two adjacent bed frames 11 . The bed beam 12 is provided with two layers along the height direction of the bed frame 11 . In the same layer, the bed beam 12 forms a rectangular frame body, and further, a cubic frame is formed between the bed frame 11 and the bed beam 12 . In the same layer, several bed bars 13 are fixed between the opposite surfaces of the two bed beams 12 that are the long sides of the rectangular frame. The top end faces of the bed bars 13 on the upper and lower layers are used to be fixed with the bed board 17 to form the upper bunk 14 and the upper bed. Bunk 15.

A guard rail 16 is provided at the top of the bed beam 12 of the upper bunk 14 , and openings are left on both sides of the top of the bed ladder 18 . The bed beam 12 located on the upper bunk 14 as the long side of the rectangular frame body is fixed with the first fixing bar 2, the bed beam 12 on which the first fixing bar 2 is fixed is on the same side as the stepped side of the bed ladder 18, and the first fixing bar 2 is fixed on the same side as the step side of the bed ladder 18. The outer side wall of the bed beam 12 . As shown in FIGS. 2 and 3 , the first fixing bar 2 is recessed with a bar-shaped groove 21 , and the opening of the bar-shaped groove 21 faces downward. As shown in FIGS. 4 and 5 , a rotating shaft 22 is rotatably connected to the bar-shaped groove 21 , the two ends of the rotating shaft 22 are rotatably connected with a spring box 23 , and the spring box 23 is fixed with the side wall of the strip groove 21 . As shown in FIG. 6 , a coil spring 213 is arranged in the spring case 23 , the outer end of the coil spring 213 is fixed to the inner wall of the spring case 23 , and the inner end of the coil spring 213 is embedded in the peripheral side wall of the rotating shaft 22 . As shown in FIGS. 4 and 7 , a dustproof cloth 24 is provided on the peripheral side wall of the rotating shaft 22, and one end of the dustproof cloth 24 is fixed along the longitudinal direction of the rotating shaft 22 and wound around the peripheral side wall of the rotating shaft 22. The other end is provided with a hook 25, and the bed beam 12 corresponding to the opening of the strip groove 21 is provided with a collar 26, through which the dustproof cloth 24 is pulled out from the strip groove 21 and the dustproof cloth is pulled out through the collar 26. Cloth 24 is fixed. When the dustproof cloth 24 is pulled out from the strip groove 21, the coil spring 213 in the spring box 23 is tightened, and the dustproof cloth 24 is fixed by the hook 25 and the collar 26. When the dustproof cloth 24 is released , the coil spring 213 drives the rotating shaft 22 to rotate and rewinds the dustproof cloth 24 on the peripheral side of the rotating shaft 22 .

As shown in FIG. 4 and FIG. 5 , an inner rod 210 is provided inside the bar-shaped groove 21 below the rotating shaft 22 . A stepper motor 4 is fixed at one end of an inner rod 210 protruding from the side wall of the first fixing bar 2, and the inner rod 210 is axially connected to the rotating shaft of the stepper motor 4. Plug-in connection and secure against rotation by means of anti-rotation elements. A partition 27 is arranged between the inner rod 210 and the rotating shaft 22, and the partition 27 is fixed with the groove wall of the strip groove 21. The inner rod 210 and the rotating shaft 22 pass through the partition 27 and are respectively rotatably connected with the partition 27. One side of 27 faces the dustproof cloth 24 and leaves a gap with the dustproof cloth 24 , and the other side faces the spring case 23 and leaves a space with the spring case 23 . A ratchet 28 and a pawl 29 are provided on the side of the partition 27 facing the spring box 23 . The baffle 27 is provided with the ratchet wheel 28 and the pawl 29 protrudes and fixes a limiting block 211 . When the dustproof cloth 24 is pulled out from the rotating shaft 22, the coil spring 213 compresses and provides a tendency for the rotating shaft 22 to reset. The rotating direction of the rotating shaft 22 is the same as the rotating direction of the ratchet 28 and the pawl 29 mechanism. When the stepping motor 4 is energized, the rotating shaft of the stepping motor 4 drives the inner rod 210 to rotate due to the anti-reverse structure of the ratchet wheel 28 and the pawl 29 mechanism. One end of the inner rod 210 threadedly connected to the groove wall of the strip groove 21 is far away from the groove wall. At this time, the pawl 29 abutting against the partition plate 27 rotates and disengages from the ratchet wheel 28. Due to the temporary loss of the stop structure, the rotating shaft 22 rolls around. Driven by the spring 213, it rotates and rewinds the dust-proof cloth 24 on the peripheral side wall of the rotating shaft 22 to change the steering of the rotating shaft 22 of the stepping motor 4, so that the pawl 29 rotates and abuts with the limit block 211, so that the ratchet 28 The pawl 29 mechanism returns to function.

As shown in FIG. 3 , the stepper motor 4 is provided with a control switch 5 in series, the control switch 5 is arranged on the side wall of the bed frame 11 , and the control switch 5 is a two-way switch. Pressing up and down makes the rotating shaft of the stepper motor 4 22 Rotate clockwise or counterclockwise and stop in the middle. When in use, the worker pulls out the dustproof cloth 24 through the hook 25 , and the dustproof cloth 24 will not be retracted due to the force of the coil spring 213 because the ratchet 28 and the pawl 29 cooperate and stop. Pull out the dustproof cloth 24 from the strip groove 21 through the hook 25 and fix the dustproof cloth 24 by the collar 26. When the dustproof cloth 24 is pulled out, the coil spring 213 in the spring box 23 is tightened. When the dustproof cloth 24 is installed, the coil spring 213 drives the rotating shaft 22 to rotate and rewinds the dustproof cloth 24 on the peripheral side of the rotating shaft 22 .

As shown in FIG. 1 and FIG. 4 , the bed beam 12 located on the upper bunk 14 as the long side of the rectangular frame body is fixed with the second fixing bar 7 , and the bed beam 12 with the second fixing bar 7 is fixed with the bed ladder 18 away from the step side. On the same side of the end surface, the second fixing bar 7 is fixed to the outer side wall of the bed beam 12 . The structure of the second fixing bar 7 is the same as that of the first fixing bar 2. The opening of the bar groove 21 faces downwards. The side of the dust cloth 24 facing the wall is a plastic cloth, and the side facing the inside of the bed is a cotton cloth. Because the walls of dormitory are generally painted with putty, but the bedding or clothing of dormitory members is in direct contact with the putty layer during sleep. The putty layer is detached due to the scraping of items, which will cause white powder to stick to the bedding or clothing of the dormitory members. By setting a layer of dustproof cloth 24, the wall and the dormitory members are isolated by the dustproof cloth 24, and the side facing the wall is Plastic cloth, which makes it difficult for dust to adhere to the dustproof cloth 24, and the side facing the dormitory members is a cotton cloth, which improves the sleep quality of the dormitory members.

As shown in FIG. 1 and FIG. 3 , the side wall of the bed beam 12 located on the upper bunk 14 as the short side of the rectangular frame body is fixed with a third fixing bar 8 , and the structure of the third fixing bar 8 is the same as that of the first fixing bar 2 , The opening of the bar-shaped groove 21 faces the side wall of another bed beam 12 arranged in parallel in the same layer of the bed beam 12, and is correspondingly arranged at the end of the dustproof cloth 24 in the third fixing bar 8 and the bar-shaped groove 21. Hooks 25 and collars 26 are respectively provided on the side walls of the corresponding bed beam 12 , and the dustproof cloth 24 is also fixed with a zipper 6 for removing and cleaning the dustproof cloth 24 . Because the person in the upper bunk 14 will cause the support frame 1 to shake during the process of sleeping and going to bed, the corresponding upper bed board will float some sawdust and dust to the person sleeping in the lower bunk, and the dustproof cloth is fixed by the third fixing strip 8 24 Cover the lower surface of the bed board of the upper bunk 14, thereby preventing the sawdust from floating to the lower bunk, and improving the sleep quality of the dormitory members.

Implementation principle: When the dustproof cloth 24 needs to be put away, the control switch 5 is used, and the control switch 5 is a two-way switch. When the control switch 5 is pressed upward, the rotating shaft of the stepping motor 4 rotates and drives the inner rod 210 to rotate and makes the spine The pawl 29 is away from the ratchet wheel 28. At this time, due to the temporary loss of the anti-reverse effect of the pawl 29 of the ratchet wheel 28, the coil spring 23 drives the rotating shaft 22 to rotate, so that the dustproof cloth 24 is recovered. After the dustproof cloth 24 is recovered, press the control switch 5 downward. , the rotating shaft of the stepping motor 4 rotates and drives the inner rod 210 to rotate and then resets the pawl 29 . At this time, the middle position of the control switch 5 is pressed to disconnect the power supply.

Claims (8)

1. The utility model provides a dustproof bunk bed which characterized in that: the bed comprises support frames (1), two bed boards (17) fixed on a single support frame (1), and bed ladders (18) fixed between adjacent support frames (1), wherein the two sides of the bed ladders (18) which are not fixed with the support frames are respectively a ladder and a flat surface; the support frame (1) comprises four bed frames (11) vertically fixed on the ground and a bed beam (12) transversely fixed between two adjacent bed frames (11); the bed beam (12) is provided with two layers along the height direction of the bed frame (11), in the same layer, the bed beam (12) forms a rectangular frame body, and a cubic frame is formed between the bed frame (11) and the bed beam (12); a plurality of bed bars (13) are fixed between the opposite surfaces of two bed beams (12) which are used as the long sides of the rectangular frame body in the same layer, and the top end surfaces of the bed bars (13) at the upper layer and the lower layer are used for being fixed with a bed board (17) so as to form an upper berth (14) and a lower berth (15); a bed beam (12) which is positioned on the upper berth (14) and used as a long edge of the rectangular frame body is fixedly provided with a first fixing strip (2), the bed beam (12) fixed with the first fixing strip (2) is positioned at the same side of the ladder side of the bed ladder (18), the first fixing strip (2) is concavely provided with a strip-shaped groove (21) with a downward opening, the strip-shaped groove (21) is rotatably connected with a rotating shaft (22), two ends of the rotating shaft (22) are rotatably connected with spring boxes (23), the spring boxes (23) are fixed with the groove walls of the strip-shaped groove (21), a coil spring (213) is arranged in the spring box (23), one end of the coil spring (213) is fixed on the rotating shaft (22), and the other; the periphery side wall of the rotating shaft (22) is provided with dustproof cloth (24), one end of the dustproof cloth (24) is fixed along the length direction of the rotating shaft (22) and is wound on the periphery side wall of the rotating shaft (22), the other end of the dustproof cloth (24) is provided with a hook (25) and extends out of the strip-shaped groove (21), and a lantern ring (26) is arranged on the bed beam (12) of the lower berth (15) corresponding to the opening of the strip-shaped groove (21).

2. The dustproof bunk bed according to claim 1, characterized in that: an inner rod (210) is arranged in the strip-shaped groove (21) and below the rotating shaft (22), one end of the inner rod (210) is in threaded connection with the groove wall of the strip-shaped groove (21), the other end of the inner rod (210) penetrates through the strip-shaped groove (21) and extends out of the side wall of the first fixing strip (2), a clapboard (27) is arranged between the inner rod (210) and the rotating shaft (22), the partition plate (27) is fixed with the wall of the strip-shaped groove (21), the inner rod (210) and the rotating shaft (22) penetrate through the partition plate (27) and are respectively and rotatably connected with the partition plate (27), a ratchet wheel (28) and a pawl (29) are arranged on one side, facing the spring box (23), of the partition plate (27), the ratchet wheel (28) is fixed on the rotating shaft (22) and attached to the partition plate (27), and the pawl (29) is rotatably connected to the inner rod (210) and attached to the partition plate (27); one side of the partition plate (27) provided with the ratchet wheel (28) and the pawl (29) is convexly fixed with a limiting block (211), the tail end of the limiting block (211) close to the outer side of the pawl (29) is fixed with a leaf spring (291), and the leaf spring (291) is abutted against the outer side of the pawl (29).

3. The dustproof bunk bed according to claim 2, characterized in that: one end of the inner rod (210) penetrating through the first fixing strip (2) is fixed with a stepping motor (4), the inner rod (210) is axially connected with a rotating shaft of the stepping motor (4) in an inserting mode and is stopped to rotate through a rotation stopping piece, the stepping motor (4) is provided with a control switch (5) in series, and the control switch (5) is fixed on the bedstead (11).

4. The dustproof bunk bed according to claim 1, characterized in that: bed roof beam (12) are fixed with second fixed strip (7), and second fixed strip (7) structure is with first fixed strip (2), and the opening of bar groove (21) is down, and bed roof beam (12) that are fixed with second fixed strip (7) and the planishing face homonymy that deviates from the ladder of bed ladder (18), lower berth (15) are provided with lantern ring (26) with couple (25) corresponding bed roof beam (12) of dustproof cloth (24) tip, dustproof cloth (24) are the plastic cloth towards one side of wall, and one side is the cotton towards the bed.

5. The dustproof bunk bed according to claim 1, characterized in that: the lateral wall of the bed beam (12) which is located on the upper berth (14) and is used as the short side of the rectangular frame body and faces the outside is fixed with a third fixing strip (8), the structure of the third fixing strip (8) is the same as that of the first fixing strip (2), the opening of the strip-shaped groove (21) faces the lateral wall of the other bed beam (12) which is arranged in the same layer of the bed beam (12) in parallel, and the tail end of the corresponding dustproof cloth (24) and the lateral wall of the bed beam (12) are respectively provided with a hook (25) and a lantern ring (26).

6. The dustproof bunk bed according to claim 5, characterized in that: and a zipper (6) extending along the width of the dustproof cloth (24) in the third fixing strip (8) is fixed.

7. The dustproof bunk bed according to claim 1, characterized in that: the upper bunk (14) and the lower bunk (15) are fixed with guardrails (16).

8. The dustproof bunk bed according to claim 6, characterized in that: a drawer (181) is arranged in the bed ladder (18).

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