CN217185403U - Bed body structure - Google Patents

Abstract

The utility model relates to a bed body structure, which comprises a fixed tube, a headboard, a footboard, a bed frame structure and at least one bed board, wherein the fixed tube is provided with a switching cover which is matched with the top shapes of the headboard and the footboard, the fixed tube and the switching cover are fixed on both sides of the headboard and the footboard through hidden connecting pieces, and the front side and the rear side of the fixed tube are flush with the front side and the rear side of the headboard and the rear side of the footboard; the four ends of the bedstead structure are fixed on the fixed tubes through fixing pieces, and the head and the tail of the bedstead structure are respectively fixed on the head plate and the tail plate through the fixing pieces; at least one placing groove matched with the bed board is arranged in the bed frame structure, and the bed board is arranged in the placing groove to shield the fixing piece. The utility model effectively improves the integral aesthetic feeling of the bed body structure and the experience of the user; the structural stability and the safety of the bed body structure are enhanced.

Description

Bed body structure

Technical Field

The utility model relates to the field of furniture, concretely relates to bed body structure.

Background

The bed is generally used in places such as bedrooms, dormitories, hotels and the like, is generally used for meeting the daily sleeping needs of human beings, and has higher pursuits on the beauty, firmness and the like of the bed along with the higher living standard of people; and the existing bed body structure is not firmly installed, which affects the use and safety of users.

SUMMERY OF THE UTILITY MODEL

Aiming at the existing problems, the utility model provides a bed body structure, which effectively improves the overall aesthetic feeling of the bed body structure and improves the experience feeling of users; the structural stability and the safety of the bed body structure are enhanced.

The technical scheme of the utility model is realized like this:

a bed body structure comprises a fixed tube, a headboard, a footboard, a bed frame structure and at least one bed board, wherein the fixed tube is provided with a switching cover which is matched with the headboard and the footboard in shape, the fixed tube and the switching cover are fixed on two sides of the headboard and the footboard through hidden connecting pieces, and the front side and the rear side of the fixed tube are flush with the front side and the rear side of the headboard and the footboard; the four ends of the bedstead structure are fixed on the fixed tubes through fixing pieces, and the head and the tail of the bedstead structure are respectively fixed on the head plate and the tail plate through the fixing pieces; at least one placing groove matched with the bed board is arranged in the bed frame structure, and the bed board is arranged in the placing groove to shield the fixing piece.

Preferably, the bed body structure further comprises a front sealing plate, the bed frame structure is provided with the front sealing plate outside the bed frame structure through a fixing piece, and the outer side surface of the front sealing plate is flush with the outer edge of the fixing pipe;

preferably, the outer edges of both sides of the frame structure are flush with the outer edge of the fixing tube.

Preferably, the fixed pipe is of a hollow structure, and a protrusion matched with the pipe cavity of the fixed pipe is arranged on the switching cover and is fixed on the fixed pipe through the protrusion.

Preferably, the bed frame structure is a double-layer structure and comprises an upper bed frame and a lower bed frame, the bed boards are respectively positioned in the placing grooves of the upper bed frame and the lower bed frame, and the upper surfaces of the bed boards are flush with the top surfaces of the upper bed frame and the lower bed frame; the headboard and the footboard are all sealed boards which penetrate through the upper bedstead and the lower bedstead.

Preferably, the bed structure further comprises a guardrail plate fixed on the outer side rod of the upper bed frame through the concealed connecting piece.

Preferably, mounting grooves are formed in two ends of the guardrail plate, a sliding connecting piece is movably arranged in each mounting groove, and the guardrail plate is aligned to the mounting hole in the fixing pipe on the outer side through the sliding connecting piece and can be fixed on the outer side rod of the upper bed frame in a sliding mode.

Preferably, the bed structure further comprises an upper back plate and a lower back plate, and the upper back plate and the lower back plate are respectively fixed on the inner side rods of the upper bed frame and the lower bed frame through the hidden connecting pieces.

Preferably, the outer corners of the adapting cover are all in smooth transition.

Preferably, the fixed pipe is a steel pipe.

Compared with the prior art, the utility model has the advantages of it is following:

in the utility model, the shape of the switching cover is matched with the top of the headboard and the top of the footboard so as to form a natural arc line with the headboard and the footboard, thereby improving the overall beauty of the bed body structure; the hidden connecting pieces at the joints of all parts of the bed body structure are hidden through the mounting mode of the hidden connecting pieces, and the fixing pieces are hidden through the bed plate placed in the placing groove, so that the connecting pieces and the fixing pieces cannot be exposed outside in the appearance of the bed body structure, the connection stability is ensured, the integral attractiveness of the bed body structure is improved, and the experience of a user is also improved; the bed board matched with the placing groove is adopted, so that when the bed board is placed in the placing groove, the bed board is flush with the top surface of the placing groove in the bed frame structure, the flatness of the bed body structure is ensured, the integral attractiveness of the bed body structure is improved, and the pursuit and experience of a user are met; fix the both sides at head board and tailstock board through setting up the fixed tube, and fix four ends of bedstead structure on the fixed tube, bedstead structure head and the tail both sides are fixed respectively on head board and tailstock board to make bed body structural installation very firm, strengthened the structural stability of bed body structure, thereby improved the security of bed body structure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a general schematic view of the bed body structure of the present invention;

FIG. 2 is a schematic view of the connection of the fixing tube, the adapter cover, the headboard, the footboard and the upper frame of the present invention;

FIG. 3 is a schematic view of the connection of the fixing tube, the headboard, the footboard and the lower frame of the present invention;

FIG. 4 is a schematic view of the hidden connector of the present invention being a three-in-one connector;

FIG. 5 is a schematic view of the hidden type connector of the present invention being a two-in-one connector;

FIG. 6 is a front view of the bed body structure of the present invention;

FIG. 7 is a side view of the bed body structure of the present invention;

FIG. 8 is a schematic view of the bed frame structure and the bed board combined together in the bed body structure of the present invention;

fig. 9 is a front view of the bed frame structure, the upper back plate, the lower back plate, the front sealing plate, and the guardrail plate of the present invention;

FIG. 10 is a schematic view of a fixed tube and an adapter cap in the bed structure of the present invention;

FIG. 11 is a detailed view of two ends of the guardrail plate in the bed structure of the present invention;

fig. 12 is a side view of a bed structure according to another embodiment of the present invention.

The attached drawings are as follows:

1. a fixed tube; 2. a headboard; 3. a bed tail plate; 4. a bed frame structure; 41. a placement groove; 42. an upper bed frame; 43. a lower bed frame; 44. a fixing member; 5. a bed board; 6. a front closing plate; 7. a transfer cover; 71. a protrusion; 8. a guardrail plate; 81. mounting grooves; 82. a sliding connector; 9. an upper back plate; 10. a lower back plate; 11. a concealed connecting piece; 111. a first connecting screw; 112. locking the nut seat; 113. a second connecting screw; 114. the casing is expanded.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 12, the bed body structure provided by the present invention comprises a fixing tube 1, a headboard 2, a footboard 3, a frame structure 4 and at least one bed board 5, wherein the fixing tube 1 is provided with an adapting cover 7 matching with the headboard 2 and the footboard 3 in top shape, the fixing tube 1 and the adapting cover 7 are fixed on both sides of the headboard 2 and the footboard 3 through hidden connectors 11, and the front and rear sides of the fixing tube 1 are flush with the front and rear sides of the headboard 2 and the footboard 3; four ends of the bedstead structure 4 are fixed on the fixed tubes 1 through fixing pieces 44, and two sides of the bedstead structure 4 at the head and the tail are respectively fixed on the head board 2 and the tail board 3 through the fixing pieces 44; at least one placing groove 41 matched with the bed board 5 is arranged in the bed frame structure 4, and the bed board 5 is placed in the placing groove 41 to shield the fixing piece 44.

Specifically, as shown in fig. 10, the fixed tube 1 is a hollow structure, the adapter cover 7 is provided with a protrusion 71 matched with the tube cavity of the fixed tube 1, the adapter cover 7 is fixed at the tube opening of the fixed tube 1 through the protrusion 71, and the adapter cover 7 is matched with the top shapes of the headboard 2 and the footboard 3, so that the adapter cover 7, the headboard 2 and the footboard 3 form a natural arc line; the adapting cover 7 of the bed end plate 3 at one side of the stair opening is in a plane shape matched with the shape of the stair opening of the bed end plate 3, so as to avoid the influence on the integral attractiveness of the bed body structure and the influence on a user to go upstairs and downstairs.

In this embodiment, as shown in fig. 1 to 3, the bed structure is a double-deck bed, so the bed structure has two bed boards 5, and the corresponding bed frame structure 4 is a double-deck structure, and includes an upper bed frame 42 and a lower bed frame 43, and the two bed boards 5 are respectively located on the upper bed frame 42 and the lower bed frame 43; the headboard 2 and the footboard 3 are all full-sealing boards which penetrate through the upper bed frame 42 and the lower bed frame 43; the fixed pipe 1 and the switching cover 7 are fixed on two sides of the headboard 2 and the footboard 3 through hidden connecting pieces 11;

wherein, the hidden connecting pieces 11 adopted by the fixing tubes 1 fixed at the two sides of the headboard 2 and the footboard 3 are three-in-one connecting pieces and two-in-one connecting pieces;

specifically, the fixed pipe 1 is fixed on the two sides of the headboard 2 and the footboard 3 by adopting a three-in-one connecting piece at the height positions of the upper bedstead 42 and the lower bedstead 43 of the headboard 2 and the footboard 3; as shown in fig. 4, the three-in-one connector includes a first connecting screw 111 and a locking nut base 112, taking as an example that the three-in-one connector fixedly mounts the fixed tube 1 on both sides of the headboard 2, specifically, one end of the first connecting screw 111 is hidden in the fixed tube 1, the other end is hidden in the headboard 2, the locking nut base 112 is pre-embedded in the headboard 2, and the fixed tube 1 is fixedly mounted on both sides of the headboard 2 by the locking nut base 112 and the first connecting screw 111 being in snap fit, and the connection between the fixed tube 1 and the footboard 3 is the same as above, wherein the visible surface of the locking nut base 112 is located on the inner surface of the headboard 2 and the footboard 3, and the three-in-one connector at this height position is covered by the upper bed frame 42 and the lower bed frame 43, so that the three-in-one connector is a hidden connector; when the headboard 2 and the footboard 3 are at other height positions, the fixed pipe 1 is fixed on two sides of the headboard 2 and the footboard 3 by adopting a two-in-one connector, as shown in fig. 5, the two-in-one connector comprises a second connecting screw 113 and an expansion sleeve 114, one end of the second connecting screw 113 is hidden in the fixed pipe 1 in a self-tapping screw manner, the expansion sleeve 114 is sleeved on the outer side of the other end of the second connecting screw 113, and the second connecting screw is hidden and clamped in the headboard 2 or the footboard 3 through the external thread of the expansion sleeve 114, so that hidden connection is realized;

the switching cover 7 is fixed on the two sides of the headboard 2 and the footboard 3 by adopting a hidden connecting piece 11 which is a two-in-one connecting piece; as shown in fig. 2 and 5, one end of the second connecting screw 113 is hidden in the adapter cover 7 in a self-tapping screw manner, and the other end is hidden and clamped in the headboard 2 or the footboard 3 through the external thread of the expansion sleeve 114, so that the adapter cover 7 is fixed on both sides of the headboard 2 and the footboard 3, and a hidden connection is realized;

the fixed tube 1 is a 60x25mm steel tube, the headboard 2 and the footboard 3 are all full-sealing plates with the thickness of 25mm, and the fixed tube 1 with the same thickness as the headboard 2 and the footboard 3 is adopted to ensure that the front side and the rear side of the fixed tube 1 are all flush with the front side and the rear side of the headboard 2 and the footboard 3;

as shown in fig. 2 and 3, the upper frame 42 and the lower frame 43 are formed by welding an outer side rod, an inner side rod and a plurality of cross rods, and two ends of the head-to-tail outermost cross rod of the upper frame 42 and the lower frame 43 are fixed on the fixed tube 1 by fasteners 44, i.e. four ends of the frame structure 4 are fixed on the fixed tube 1; the middle parts of the cross bars at the outermost edges of the head and the tail of the upper bedstead 42 and the lower bedstead 43 are fixed on the headboard 2 and the footboard 3 through fixing parts 44, namely, the two sides of the head and the tail of the bedstead structure 4 are respectively fixed on the headboard 2 and the footboard 3;

as shown in fig. 8, the thickness of the cross bar is smaller than the thickness of the inner bar and the outer bar, that is, the cross bar and the inner bar and the outer bar form a height difference, so that two placing grooves 41 for placing the bed board 5 are provided in the bed frame structure 4, that is, the placing grooves 41 are provided in the upper bed frame 42 and the lower bed frame 43, as shown in fig. 1, when the bed board 5 is placed in the placing grooves 41 of the upper bed frame 42 and the lower bed frame 43, that is, the bed board 5 is placed on the cross bar, the bed board 5 blocks the fixing member 44; since the placing groove 41 is matched with the bed board 5, the sum of the thickness of the bed board 5 and the thickness of the cross bar is equal to the thickness of the inner and outer side bars, that is, when the bed board 5 is placed in the placing groove 41 of the upper bed frame 42 and the lower bed frame 43, the upper surface of the bed board 5 is flush with the top surfaces of the upper bed frame 42 and the lower bed frame 43;

the bed body structure also comprises a front closing plate 6, the bed frame structure 4 installs the front closing plate 6 on the outer side of the bed frame structure 4 through a fixing piece 44, specifically, a screw rod of the fixing piece 44 passes through a mounting hole on the bed frame structure 4 from the inner surface of the outer side rod of the upper bed frame 42 and the lower bed frame 43 and is hidden and installed in a mounting hole at the corresponding position of the front closing plate 6, so that the front closing plate 6 is installed on the outer side of the bed frame structure 4, when the bed board 5 is placed in the placing groove 41 of the upper bed frame 42 and the lower bed frame 43, the fixing piece 44 is covered by the bed board 5; as shown in fig. 7, the outer side surface of the front seal plate 6 is flush with the outer edge of the fixed tube 1;

the bed body structure also comprises a bed bottom plate which is positioned below the upper bed frame 42 so as to cover the fixing pieces 44 on the horizontal rods at the outermost edges of the head and the tail and the outer side rods from the lower part of the upper bed frame 42;

the hidden connecting pieces 11 are used for hiding the connecting pieces at the connecting parts of all parts of the bed body structure, the bed board 5 is arranged in the placing groove 41, the bed bottom board is arranged below the upper bed frame 42 to hide the fixing pieces 44, so that the connecting pieces and the fixing pieces cannot be exposed outside in the appearance of the bed body structure, the connection stability is guaranteed, the integral attractiveness of the bed body structure is improved, and the user experience is also improved;

the bed head plate structure has the advantages that the fixed tubes 1 with the same thickness as the bed head plate 2 and the bed tail plate 3 are adopted to ensure that the connection surfaces of the fixed tubes 1, the bed head plate 2 and the bed tail plate 3 are parallel and level, the bed plate 5 matched with the placing groove 41 is adopted to ensure that the bed plate 5 is parallel and level with the top surface of the placing groove 41 in the bed frame structure 4, and the outer side surface of the front seal plate 6 is parallel and level with the outer edge of the fixed tubes 1, so that the flatness of the bed body structure is ensured, the integral attractiveness of the bed body structure is improved, and the pursuit and experience of users are met; the bed head plate 2 and the bed tail plate 3 are wrapped and hidden through the fixed tube 1 and the switching cover 7, so that the combination of the bed body structure is more attractive;

through fixing fixed tube 1 and switching lid 7 in the both sides of head board 2 and tailstock board 3, and fix four ends of bedstead structure 4 on fixed tube 1 through mounting 44, fix bedstead structure 4 end to end both sides on head board 2 and tailstock board 3 through mounting 44 to make bed body structure installation very firm, strengthened the structural stability of bed body structure, thereby improved the security of bed body structure.

The further improvement lies in, through setting up preceding shrouding 6 and fixing in the bedstead structure 4 outside to shelter from the mattress on the bed board 5, thereby avoid the mattress to expose externally in order to influence whole pleasing to the eye.

The bed structure is further improved in that the bed structure further comprises a guardrail plate 8, as shown in fig. 4 and 9, the guardrail plate 8 is fixed on the outer side rod of the upper bed frame 42 through a hidden connecting piece 11; in this embodiment, the hidden connecting member 11 used for fixing the guardrail plate 8 on the outside rod of the upper bed frame 42 is a three-in-one connecting member, specifically, one end of the first connecting screw 111 is hidden in the mounting hole of the outside rod of the upper bed frame 42, the other end is hidden in the guardrail plate 8, the locking nut seat 112 is pre-embedded in the guardrail plate 8, and the locking nut seat 112 is in snap fit with the first connecting screw 111 so that the guardrail plate 8 is fixedly mounted on the outside rod of the upper bed frame 42; wherein, the visible face of locking nut seat 112 is located the inboard of guardrail board 8, can't see the trinity connecting piece to expose outside in the outward appearance of bed body structure promptly, consequently when guardrail board 8 plays effective guard action to the upper berth of bunk beds, this hidden connected mode has also improved the holistic pleasing to the eye of bed body structure.

The further improvement lies in that as shown in fig. 6 and fig. 11, mounting grooves 81 are opened at both ends of the balustrade panel 8, and a sliding connecting piece 82 is movably arranged in the mounting groove 81, when the balustrade panel 8 needs to be fixed on the outer side rod of the upper frame 42, the sliding connecting piece 82 in the mounting groove 81 on the balustrade panel 8 is aligned with the mounting hole on the outer side fixing tube 1, and the balustrade panel 8 slides downwards along the outer side fixing tube 1 until the balustrade panel 8 is fixed on the outer side rod of the upper frame 42, in this process, the sliding connecting piece 82 slides in the mounting groove 81 according to the mounting hole on the outer side fixing tube 1 for installation adjustment.

Further improved in that the bed also comprises an upper back plate 9 and a lower back plate 10, as shown in fig. 4 and 9, the upper back plate 9 and the lower back plate 10 are respectively fixed on the inner side rods of the upper bed frame 42 and the lower bed frame 43 through hidden connecting pieces 11; in this embodiment, the hidden connecting pieces 11 used for fixing the upper back plate 9 on the inner rod of the upper bed frame 42 and the lower back plate 10 on the inner rod of the lower bed frame 43 are all three-in-one connecting pieces, specifically, for example, the upper back plate 9 is fixed on the inner rod of the upper bed frame 42, one end of the first connecting screw 111 is hidden in the mounting hole of the inner rod of the upper bed frame 42, the other end is hidden in the upper back plate 9, the locking nut seat 112 is pre-embedded in the upper back plate 9, and the locking nut seat 112 is in snap fit with the first connecting screw 111 to fixedly mount the upper back plate 9 on the inner rod of the upper bed frame 42; wherein, the visible surface of the locking nut seat 112 is located at the back of the upper back plate 9, i.e. when the bed structure is placed against the wall, the three-in-one connecting piece cannot be seen to be exposed outside in appearance, thereby realizing hidden connection, and the hidden connection mode improves the overall beauty of the bed structure.

The further improvement is that the outer side corners of the adapting cover 7 are smoothly transited to prevent scratching the user in the using process.

The further improvement lies in that fixed pipe 1 is the steel pipe, lives head board 2 and 3 parcel of tailstock board through the steel pipe, has improved the stability of bed body structure, and can spray paint into different colours with fixed pipe 1 according to user's needs to satisfy the user to pleasing to the eye demand.

In another embodiment of the present invention, as shown in fig. 12, the difference from the above embodiment is that the present embodiment has no front closing plate 6, and the outer edges of the two sides of the frame structure 4 are flush with the outer edges of the fixed tubes 1, i.e. the outer edges of the inner side rods and the outer side rods of the upper frame 42 and the lower frame 43 are flush with the outer edges of the fixed tubes 1 at the two sides; the guardrail plate 8 is fixed on the outer side rod of the upper bed frame 42 through a three-in-one connecting piece, and the outer side surface of the guardrail plate 8 is flush with the outer edge of the fixed tube 1; thereby guaranteed the roughness of bed body structure, improved the holistic pleasing to the eye of bed body structure, and then satisfied user's pursuit and experience.

In summary, in the utility model, the shape of the switching cover is matched with the top of the headboard and the top of the footboard, so as to form a natural arc line with the headboard and the footboard, thereby improving the overall beauty of the bed body structure; the hidden connecting pieces at the joints of all parts of the bed body structure are hidden through the mounting mode of the hidden connecting pieces, and the fixing pieces are hidden through the bed plate placed in the placing groove, so that the connecting pieces and the fixing pieces cannot be exposed outside in the appearance of the bed body structure, the connection stability is ensured, the integral attractiveness of the bed body structure is improved, and the experience of a user is also improved; the bed board matched with the placing groove is adopted, so that when the bed board is placed in the placing groove, the bed board is flush with the top surface of the placing groove in the bed frame structure, the flatness of the bed body structure is ensured, the integral attractiveness of the bed body structure is improved, and the pursuit and experience of a user are met; fix the both sides at head board and tailstock board through setting up the fixed tube, and fix four ends of bedstead structure on the fixed tube, bedstead structure head and the tail both sides are fixed respectively on head board and tailstock board to make bed body structural installation very firm, strengthened the structural stability of bed body structure, thereby improved the security of bed body structure.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A bed body structure is characterized in that,

the multifunctional bed comprises a fixed tube (1), a headboard (2), a footboard (3), a bed frame structure (4) and at least one bed board (5), wherein the fixed tube (1) is provided with a switching cover (7) matched with the headboard (2) and the footboard (3) in top shape, the fixed tube (1) and the switching cover (7) are fixed on two sides of the headboard (2) and the footboard (3) through hidden connecting pieces (11), and the front side and the rear side of the fixed tube (1) are flush with the front side and the rear side of the headboard (2) and the footboard (3); the four ends of the bedstead structure (4) are fixed on the fixed tubes (1) through fixing pieces (44), and the head and tail sides of the bedstead structure (4) are respectively fixed on the headboard (2) and the footboard (3) through the fixing pieces (44); at least one placing groove (41) matched with the bed board (5) is arranged in the bed frame structure (4), and the bed board (5) is arranged in the placing groove (41) to shield the fixing piece (44).

2. The bed structure as claimed in claim 1,

the bed frame structure further comprises a front closing plate (6), and the bed frame structure (4) is used for installing the front closing plate (6) on the outer side of the bed frame structure (4) through a fixing piece (44); and the outer side surface of the front sealing plate (6) is flush with the outer edge of the fixed pipe (1).

3. The bed structure as claimed in claim 1,

the outer edges of the two sides of the bedstead structure (4) are flush with the outer edge of the fixed pipe (1).

4. The bed structure as claimed in claim 2 or 3,

the bed frame structure (4) is a double-layer structure and comprises an upper bed frame (42) and a lower bed frame (43), the bed boards (5) are respectively positioned in the placing grooves (41) of the upper bed frame (42) and the lower bed frame (43), and the upper surfaces of the bed boards (5) are flush with the top surfaces of the upper bed frame (42) and the lower bed frame (43); the headboard (2) and the footboard (3) are all full-sealing boards which penetrate through the upper bed frame (42) and the lower bed frame (43).

5. A bed structure as claimed in claim 4,

the bed further comprises a guardrail plate (8), and the guardrail plate (8) is fixed on an outer side rod of the upper bed frame (42) through the hidden connecting piece (11).

6. The bed structure as claimed in claim 5,

mounting grooves (81) are formed in two ends of the guardrail plate (8), sliding connecting pieces (82) are movably arranged in the mounting grooves (81), and the guardrail plate (8) is aligned to the outer side through the sliding connecting pieces (82) and is fixed on an outer side rod of the upper bedstead (42) in a downward sliding mode through mounting holes in the fixing pipes (1).

7. The bed structure as claimed in claim 4,

the bed further comprises an upper back plate (9) and a lower back plate (10), wherein the upper back plate (9) and the lower back plate (10) are respectively fixed on inner side rods of the upper bed frame (42) and the lower bed frame (43) through the hidden connecting pieces (11).

8. The bed structure as claimed in claim 1,

the fixing pipe (1) is of a hollow structure, a protrusion (71) matched with the pipe cavity of the fixing pipe (1) is arranged on the switching cover (7), and the fixing pipe (1) is fixed through the protrusion (71).

9. The bed structure as claimed in claim 8,

the outer side corners of the switching cover (7) are in smooth transition.

10. The bed structure as claimed in claim 1,

the fixed pipe (1) is a steel pipe.

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