CN110652138A

CN110652138A - Folding bed

Info

Publication number: CN110652138A
Application number: CN201910922477.8A
Authority: CN
Inventors: 刘峰; 廉金龙
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-01-07

Abstract

The invention relates to a folding bed, which comprises a folding bed frame and a locking mechanism used for locking the bed frame in an unfolding state, wherein the bed frame comprises a plurality of upright rods and an enclosing frame arranged at the upper parts of the upright rods, the enclosing frame comprises a pair of enclosing rod components which are oppositely arranged and can be unfolded and folded and a pair of upper side rods which are oppositely arranged, the enclosing rod components are arranged between the pair of upper side rods, the bed frame also comprises an unfolding and folding underframe arranged at the lower parts of the upright rods, the underframe is folded and extends upwards along the extending direction of the enclosing rod components, the pair of enclosing rod components are oppositely folded along the extending direction of the upper side rods, after folding, the pair of upper side rods are mutually closed, the two side edges of the underframe corresponding to the pair of upper side rods are mutually closed, and the pair of enclosing rod components are mutually closed. The folding bed can be folded quickly and conveniently and has a minimized volume.

Description

Folding bed

Technical Field

The invention relates to the field of children products, in particular to a folding bed.

Background

The prior folding bed, which can not be completely folded, has a complex folding process and a complex structure and brings inconvenience to users, for example, the portable bed disclosed in chinese patent CN208582080U comprises an enclosure frame and bed legs, wherein the enclosure frame comprises fixed enclosure rods arranged oppositely, folding enclosure rods arranged oppositely and capable of being unfolded and folded, and bed corners connecting the adjacent fixed enclosure rods and folding enclosure rods, two ends of the fixed enclosure rods are fixedly connected with the bed corners, two ends of the folding enclosure rods are rotatably connected with the bed corners, the bed legs are rotatably connected to the bed corners, the portable bed further comprises a linkage assembly, the linkage assembly comprises a sliding sleeve, a first connecting rod and a second connecting rod, the sliding sleeve can be slidably sleeved on the fixed enclosure rods, two ends of the first connecting rod are rotatably connected with the folding enclosure rods and the sliding sleeve respectively, two ends of the second connecting rod are rotatably connected with the sliding sleeve and the bed legs respectively, when the folding enclosure rods are folded, the first connecting rod drives the sliding sleeve to slide on the fixed enclosing rod, and the sliding sleeve drives the bed legs to rotate and draw close to the fixed enclosing rod through the second connecting rod. The portable bed has complex structure and is laboursome and inconvenient to fold and operate.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide an improved folding bed.

In order to solve the technical problems, the invention adopts the following technical scheme:

a folding bed comprises a foldable bed frame and a locking mechanism used for locking the bed frame in an unfolded state, wherein the bed frame comprises a plurality of upright rods and an enclosing frame arranged on the upper parts of the upright rods, the enclosing frame comprises a pair of enclosing rod assemblies which are oppositely arranged and can be unfolded and folded and a pair of upper side rods which are oppositely arranged, the enclosing rod assemblies are arranged between the pair of upper side rods, the bed frame also comprises an unfolding and folding underframe arranged on the lower parts of the upright rods, the underframe extends upwards in a folding mode along the extending direction of the enclosing rod assemblies in the folding mode, and the pair of enclosing rod assemblies oppositely folds in the extending direction along the upper side rods.

According to some embodiments of the invention, the base frame comprises a pair of oppositely arranged and expandable and foldable bottom support rod components, the bottom support rod components extend upwards in a doubling direction along the extending direction of the surrounding rod component, and a connecting rod which is connected with the pair of bottom support rod components in a rotating mode is arranged at the doubling position.

According to some embodiments of the present invention, the bottom frame includes a pair of lower side rods disposed opposite to each other and corresponding to the upper side rods, and a pair of bottom brace rod assemblies disposed opposite to each other and capable of being unfolded and folded, two ends of each bottom brace rod assembly are respectively connected to the pair of lower side rods, and two ends of each lower side rod are respectively connected to two adjacent vertical rods in a relatively rotatable manner; or the two ends of the bottom stay rod components are respectively connected with two adjacent vertical rods in a rotating mode, the two ends of the lower side rods are respectively connected with two adjacent vertical rods or the lower side rods are connected between the bottom stay rod components in a pair, the bottom stay rod components extend upwards in a folding mode along the extending direction of the enclosing rod components, and after the bottom stay rod components are folded, the lower side rods are mutually close.

According to some embodiments of the present invention, the underframe further includes a connecting rod connected between the pair of bottom brace assemblies, the bottom brace assembly includes a first bottom brace and a second bottom brace, one end of each of the first bottom brace and the second bottom brace is rotatably connected to the connecting rod, the other end of each of the first bottom brace and the second bottom brace is fixedly connected to one pair of the lower side rods, and the two ends of each of the lower side rods are rotatably connected to two adjacent vertical rods.

According to some implementation aspects of the invention, the enclosing rod assembly comprises a first enclosing rod and a second enclosing rod, one end of each of the first enclosing rod and the second enclosing rod is connected with each other in a relatively rotating manner, the other end of each of the first enclosing rod and the second enclosing rod is respectively connected with the upper parts of two adjacent vertical rods in a relatively rotating manner, and after the first enclosing rod and the second enclosing rod of each enclosing rod assembly are folded, the first enclosing rod and the second enclosing rod of each enclosing rod assembly are mutually closed.

According to some embodiments of the present invention, the first surrounding rod and the second surrounding rod of one of the pair of surrounding rod assemblies and the rotation axes of two adjacent vertical rods extend obliquely in the up-down direction, respectively, and the first surrounding rod and the second surrounding rod of the other surrounding rod assembly and the rotation axes of two adjacent vertical rods extend vertically in the up-down direction, after folding, the first surrounding rod and the second surrounding rod of one of the pair of surrounding rod assemblies are located above the first surrounding rod and the second surrounding rod of the other surrounding rod assembly.

According to some embodiments of the present invention, two ends of the upper side rod are respectively connected to two adjacent vertical rods, and an upper portion of each vertical rod is respectively connected to the upper side rod and the first surrounding rod or the upper side rod and the second surrounding rod.

According to some embodiments of the invention, the locking mechanism is disposed between the first and second rails of the same rail assembly and is configured to lock the two in the deployed state.

According to some embodiments of the present invention, the locking mechanism includes a first rotating member rotatably fitted over one of the first and second surrounding rods and a second rotating member rotatably fitted over the other of the first and second surrounding rods, the first and second rotating members are rotatably connected to each other through a rotating shaft, and when the folding bed is in the unfolded state, an axial line of the rotating shaft extends in a horizontal direction, and when the folding bed is in the folded state, an axial line of the rotating shaft extends in an up-down direction.

According to some embodiments of the invention, the bed frame further comprises an unlocking unit for unlocking the locking mechanism, the unlocking unit comprises a sliding part arranged on one of the first enclosing rod and the second enclosing rod in a sliding manner along the length direction of the component, a lock pin fixedly arranged with the sliding part, and a clamping groove arranged on the locking mechanism and capable of being matched with and locked or separated from the lock pin, and when the lock pin is matched and locked with the clamping groove, the first rotating part and the second rotating part are respectively fixed relative to the first enclosing rod and the second enclosing rod; when the lock pin is separated from the clamping groove, the first rotating piece and the second rotating piece can rotate relative to the first enclosing rod and the second enclosing rod respectively, and the unlocking unit further comprises an elastic piece which is arranged between the one component and the sliding piece and used for enabling the lock pin to tend to be matched and locked with the clamping groove.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

when the folding bed is folded, the underframe is folded and extends upwards along the extending direction of the enclosing rod components, the pair of enclosing rod components are oppositely folded along the extending direction of the upper side rods, after the folding bed is folded, the pair of upper side rods are mutually closed, two side edges of the corresponding pair of upper side rods of the underframe are mutually closed, and the pair of enclosing rod components are mutually closed.

Drawings

Fig. 1 is a schematic structural view of a folding bed according to an embodiment of the present invention in an unfolded state (a locking mechanism is in a locking state);

fig. 2 is a schematic structural view of the folding bed according to an embodiment of the present invention in an unfolded state (the lock pin of the unlocking unit is disengaged from the locking groove);

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of a folding bed according to an embodiment of the present invention in a semi-folded state;

FIG. 5 is a front view of a folding bed in accordance with an embodiment of the present invention in a fully folded position;

FIG. 6 is a perspective view of a folding bed according to an embodiment of the present invention in a fully folded position;

FIG. 7 is an exploded view of a folding bed according to one embodiment of the present invention;

FIG. 8 is an enlarged view of the structure at B in FIG. 7;

FIG. 9 is an enlarged view of the structure of FIG. 7 at C;

1. a boom assembly; 101. a first surrounding rod; 102. a second surrounding rod; 2. erecting a rod; 3. an upper side bar; 4. a lower side bar; 5. a bottom brace assembly; 501. a first bottom stay; 502. a second bottom stay; 6. a connecting rod; 7. a locking mechanism; 701. a first rotating member; 702. a second rotating member; 703. a rotating shaft; 8. a slider; 9. a lock pin; 10. a card slot; 11. a first connecting member; 12. a second connecting member; 13. a third connecting member; 14. a fourth connecting member; 15. a fifth connecting member; 16. a kidney-shaped groove; 17. an elastic member.

Detailed Description

The invention is further described with reference to the drawings and the specific embodiments in the following description:

as shown in fig. 1 ~ 9, the folding bed of one embodiment of the present invention includes a foldable frame and a locking mechanism 7 for locking the frame in an unfolded state.

The bed frame comprises a plurality of upright posts 2 and an enclosure frame arranged on the upper parts of the upright posts 2. Each upright 2 extends in the vertical direction.

Enclose the frame and include a pair of relative setting and can expand and the folding upper side pole 3 that encloses pole subassembly 1 and a pair of relative setting, enclose pole subassembly 1 and set up between a pair of upper side pole 3, and when the bedstead was in the state of expanding, enclose pole subassembly 1 and upper side pole 3 looks vertical setting.

This bedstead still including setting up can expand and the folding chassis in a plurality of pole settings 2 lower parts, during folding, the chassis upwards extends in the fifty percent discount along the extending direction of enclosing pole subassembly 1, and each enclosing pole subassembly 1 is in the fifty percent discount towards each other on the extending direction along last side rod 3, and after folding, a pair of side rod 3 of going up draws close each other, and the both sides limit of a pair of side rod 3 of going up that corresponds of chassis draws close each other, and a pair of enclosing pole subassembly 1 draws close each other.

In this example, the upper side bar 3 is an arc-shaped bar.

The underframe comprises a pair of lower side rods 4 which are oppositely arranged and are arranged corresponding to the upper side rods 3 and a pair of bottom brace rod assemblies 5 which are oppositely arranged and can be unfolded and folded, two ends of each bottom brace rod assembly 5 are respectively connected with the pair of lower side rods 4, and two ends of each lower side rod 4 are respectively and rotatably connected with the two adjacent vertical rods 2; or the two ends of the bottom stay bar component 5 are respectively rotatably connected with the two adjacent vertical rods 2, the two ends of the lower side bar 4 are respectively connected with the two adjacent vertical rods 2 or the lower side bar 4 is connected between the pair of bottom stay bar components 5, each bottom stay bar component 5 is folded and upwards extended along the extending direction of the surrounding bar component 1, and after the folding, the pair of lower side bars 4 are mutually closed.

In this example, two ends of the bottom brace assembly 5 are respectively connected with a pair of lower side rods 4, and two ends of the lower side rods 4 are respectively connected with two adjacent vertical rods 2 in a relative rotation manner.

The underframe further comprises a connecting rod 6 connected between the pair of bottom brace components 5, each bottom brace component 5 comprises a first bottom brace 501 and a second bottom brace 502, one end of each of the first bottom brace 501 and the second bottom brace 502 is respectively connected with the connecting rod 6 in a relative rotation mode, and the other end of each of the first bottom brace 501 and the second bottom brace 502 is respectively fixedly connected with the pair of lower side rods 4.

In this example, referring to fig. 7 and 9, a first connecting piece 11 is respectively disposed between the first bottom support rod 501, the second bottom support rod 502 and the connecting rod 6, the first connecting piece 11 has a fixing portion fixedly connected to the first bottom support rod 501 and the second bottom support rod 502, the fixing portion of the first connecting piece 11 is fixedly connected to the first bottom support rod 501 and the second bottom support rod 502, the first connecting piece 11 further has a rotating portion rotatably sleeved on the connecting rod 6, a plug pin inserted into the connecting rod 6 is further fixedly disposed on the rotating portion of the first connecting piece 11, a waist-shaped groove 16 extending along a circumferential direction of the connecting rod 6 is formed in a position of the connecting rod 6 corresponding to the plug pin, the plug pin is inserted into the waist-shaped groove 16 and slides in the waist-shaped groove 16 along a length direction thereof, and a central angle of the waist-shaped groove 16 is 90 °.

In this example, second connecting members 12 are respectively disposed between two ends of the lower side rod 4 and two adjacent vertical rods 2, each second connecting member 12 has a fixing portion fixedly connected to the corresponding vertical rod 2, each second connecting member 12 further has a sleeve portion sleeved on an end portion of the corresponding lower side rod 4, the end portion of the corresponding lower side rod 4 is rotatably inserted into the sleeve portion of the corresponding second connecting member 12, a plug pin inserted into the corresponding lower side rod 4 is fixedly disposed on the sleeve portion of the corresponding second connecting member 12, a kidney-shaped groove along the circumferential direction of the rotating axis of the corresponding lower side rod 4 is formed in the corresponding lower side rod 4, the plug pin is inserted into the kidney-shaped groove and slides in the kidney-shaped groove along the length direction thereof, and the central angle of the kidney-shaped groove is 90 °.

The enclosing rod component 1 comprises a first enclosing rod 101 and a second enclosing rod 102, one end of the first enclosing rod 101 and one end of the second enclosing rod 102 are connected in a rotating mode, the other end of the first enclosing rod 101 and the other end of the second enclosing rod 102 are respectively connected with the upper portions of two adjacent upright rods 2 in a rotating mode, and after the enclosing rod components are folded, the first enclosing rod 101 and the second enclosing rod 102 of each enclosing rod component 1 are close to each other.

The first surrounding rod 101 and the second surrounding rod 102 of one surrounding rod assembly of the pair of surrounding rod assemblies 1 and the rotating axes of the two adjacent vertical rods 2 extend obliquely in the up-down direction respectively, the first surrounding rod 101 and the second surrounding rod 102 of the other surrounding rod assembly and the rotating axes of the two adjacent vertical rods 2 extend in the up-down direction respectively, and after the folding, the first surrounding rod 101 and the second surrounding rod 102 of one surrounding rod assembly of the pair of surrounding rod assemblies 1 are positioned on the first surrounding rod 101 and the second surrounding rod 102 of the other surrounding rod assembly. So configured, a pair of the rail assemblies 1 can be folded in layers when folded toward each other, as shown in fig. 5 and 6, to minimize the folded volume.

The two ends of the upper side rod 3 are respectively fixedly connected with two adjacent vertical rods 2, and the upper part of each vertical rod 2 is respectively connected with the upper side rod 3 and a first surrounding rod 101, or the upper side rod 3 and a second surrounding rod 102.

Specifically, a third connecting piece 13 is fixedly connected to the upper part of the vertical rod 2; the end parts of the first surrounding rod 101 and the second surrounding rod 102 are respectively and fixedly connected with a fourth connecting piece 14, and the fourth connecting piece 14 is provided with a fixed part fixedly connected with the end part of the first surrounding rod 101 or the second surrounding rod 102 and a rotating part rotatably sleeved on other parts; fifth links 15 are fixedly connected to both ends of the upper side bar 3.

The fifth connecting piece 15 is fixedly arranged with the upper end part of the upright rod 2. The fourth connecting member 14 is located between the third connecting member 13 and the fifth connecting member 15.

The third connecting piece 13 on the two adjacent upright rods 2 rotatably connected with the first surrounding rod 101 and the second surrounding rod 102 of one surrounding rod assembly 1 in the pair has a fixing part fixedly connected with the upright rods 2 and a rotating shaft part fixedly arranged with the fixing part, the central line of the rotating shaft part extends obliquely along the vertical direction, the rotating part of the fourth connecting piece 14 on the first surrounding rod 101 and the second surrounding rod 102 of the one surrounding rod assembly is rotatably sleeved on the rotating shaft part of the third connecting piece 13, and the axial line of the fourth connecting piece 14 inclines when the fourth connecting piece 14 rotates along the rotating shaft part. The third connecting pieces 13 on the two adjacent upright posts 2 rotatably connected with the first surrounding rod 101 and the second surrounding rod 102 of the other surrounding rod assembly 1 in the pair of surrounding rod assemblies do not have rotating shaft parts, and the sleeving parts of the fourth connecting pieces 14 on the first surrounding rod 101 and the second surrounding rod 102 of the other surrounding rod assembly are directly rotatably sleeved on the upright posts 2. The arrangement is such that when a pair of enclosing rod assemblies 1 which are oppositely arranged are folded inwards, the first enclosing rod 101 and the second enclosing rod 102 of one enclosing rod assembly and the first enclosing rod 101 and the second enclosing rod 102 of the other enclosing rod assembly form a height difference in the up-down direction, and the two enclosing rod assemblies can be folded in staggered layers, so that the folded volume is minimized, as shown in fig. 5 and 6.

In particular, there are 4

uprights

2, 4

third connectors

13, 2

railing units

1 and 2 upper side rods 3.

The locking mechanism 7 is arranged between the first and second surrounding

rods

101 and 102 of the same surrounding rod assembly and is used for locking the two in the unfolding state.

In this example, the locking mechanism 7 includes a first rotating member 701 having one end rotatably sleeved on the first enclosing rod 101 and a second rotating member 702 having one end rotatably sleeved on the second enclosing rod 102, the other ends of the first rotating member 701 and the second rotating member 702 are rotatably connected to each other through a rotating shaft 703, and when the folding bed is in the unfolded state, the axis line of the rotating shaft 703 extends along the horizontal direction; when the folding bed is in a folded state, the axis of the rotating shaft 703 extends in the up-down direction.

Specifically, a plug pin inserted into the first surrounding rod 101 is further fixedly arranged on the first rotating member 701, a kidney-shaped groove 16 along the circumferential direction of the rotating axis of the first rotating member 701 is formed in a position, corresponding to the plug pin, on the first surrounding rod 101, the plug pin is inserted into the kidney-shaped groove 16 and slides in the kidney-shaped groove 16 along the length direction of the kidney-shaped groove, and the central angle of the kidney-shaped groove 16 is 90 degrees, as shown in fig. 7 and 8; the second rotating part 702 is fixedly provided with a plug inserted into the second surrounding rod 102, a kidney-shaped groove along the circumferential direction of the rotating axis of the second rotating part 702 is formed in the position, corresponding to the plug, of the second surrounding rod 102, the plug is inserted into the kidney-shaped groove and slides in the kidney-shaped groove along the length direction of the kidney-shaped groove, and the central angle of the kidney-shaped groove is 90 degrees.

In this case, the bed frame further includes an unlocking unit for unlocking the locking mechanism 7. The unlocking unit is provided on the first rail 101.

Specifically, the unlocking unit comprises a sliding part 8 arranged on the first surrounding rod 101 in a sliding manner along the length direction of the first surrounding rod 101, a lock pin 9 fixedly arranged with the sliding part 8, and a clamping groove 10 which is arranged on a first rotating part 701 of the locking mechanism 7 and can be matched with and locked or separated from the lock pin 9, when the lock pin 9 is matched and locked with the clamping groove 10, the first rotating part 701 and a second rotating part 702 are respectively fixed with the first surrounding rod 101 and the second surrounding rod 102; when the lock pin 9 is disengaged from the locking slot 10, the first rotating member 701 and the second rotating member 702 can rotate around the first surrounding rod 101 and the second surrounding rod 102, respectively.

The unlocking unit further comprises an elastic member 17 arranged between the first rail 101 and the sliding member 8 and used for locking the lock pin 9 in cooperation with the lock slot 10.

The folding principle of the folding bed is as follows:

as shown in fig. 1, the folding bed is in a fully unfolded state, the lock pin 9 of the unlocking unit is locked in the lock slot 10, and the axis of the rotating shaft 703 of the locking mechanism extends in the horizontal direction. When the folding bed needs to be folded, referring to fig. 2 and fig. 3, the sliding member 8 is operated to slide, so that the lock pin 9 is disengaged from the slot 10, then the locking mechanism 7 is rotated outwards, so that the rotating shaft 703 of the locking mechanism 7 is rotated to extend the axial lead of the rotating shaft 703 in the up-down direction, then the pair of surrounding rod assemblies 1 are pushed inwards in opposite directions, the surrounding rod assemblies 1 are folded in half, the connecting rod 6 is pulled upwards at the same time, the underframe is folded in half, as shown in fig. 4, until the surrounding rod assemblies 1 are folded and closed, the underframe is folded and closed, the upright rods 2 are closed to each other, as shown in fig. 5 and 6, after folding, the folding bed is flat and small in size.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims

1. A folding bed comprising a foldable frame and a locking mechanism for locking the frame in an unfolded state, the frame comprising a plurality of uprights and a surrounding frame provided on the upper portions of the uprights, the surrounding frame comprising a pair of oppositely disposed and unfoldable surrounding bar assemblies and a pair of oppositely disposed upper side bars, the surrounding bar assemblies being provided between a pair of the upper side bars, characterized in that: the bedstead also comprises an unfolding and folding underframe arranged at the lower parts of the upright rods, when the bedstead is folded, the underframe is folded and extends upwards along the extending direction of the enclosing rod components, and the pair of enclosing rod components are oppositely folded along the extending direction of the upper side rod.

2. The folding bed of claim 1, wherein: the chassis includes a pair of relative setting and can expand and the folding bottom sprag subassembly, the bottom sprag subassembly is in following the fifty percent discount extends upwards in the direction that the rail subassembly extends, and is equipped with the connecting rod of rotating connection this pair of bottom sprag subassemblies in this fifty percent discount department.

3. The folding bed of claim 1, wherein: the underframe comprises a pair of lower side rods which are oppositely arranged and are arranged corresponding to the upper side rods and a pair of bottom brace rod assemblies which are oppositely arranged and can be unfolded and folded, two ends of each bottom brace rod assembly are respectively connected with the pair of lower side rods, and two ends of each lower side rod are respectively and relatively and rotatably connected with two adjacent upright rods; or the two ends of the bottom stay rod components are respectively connected with two adjacent vertical rods in a rotating mode, the two ends of the lower side rods are respectively connected with two adjacent vertical rods or the lower side rods are connected between the bottom stay rod components in a pair, the bottom stay rod components extend upwards in a folding mode along the extending direction of the enclosing rod components, and after the bottom stay rod components are folded, the lower side rods are mutually close.

4. The folding bed of claim 3, wherein: the underframe further comprises a connecting rod connected between the pair of bottom brace rod assemblies, each bottom brace rod assembly comprises a first bottom brace rod and a second bottom brace rod, one end of each of the first bottom brace rod and the second bottom brace rod is respectively and rotatably connected with the connecting rod, the other end of each of the first bottom brace rod and the second bottom brace rod is respectively and fixedly arranged with the pair of lower side rods, and two ends of each of the lower side rods are respectively and rotatably connected with two adjacent vertical rods.

5. The folding bed according to any one of claims 1 ~ 4, wherein the surrounding rod assembly comprises a first surrounding rod and a second surrounding rod, one end of the first surrounding rod and one end of the second surrounding rod are relatively rotatably connected, the other end of the first surrounding rod and the other end of the second surrounding rod are respectively rotatably connected with the upper parts of two adjacent vertical rods, and after folding, the first surrounding rod and the second surrounding rod of each surrounding rod assembly are mutually close.

6. The folding bed of claim 5, wherein: one of them in the enclosing pole subassembly encloses first enclosing pole, second enclosing pole and adjacent two the pole setting pivoted axis of rotation heart line extends along upper and lower direction slope respectively, and another encloses first enclosing pole, second enclosing pole and adjacent two of pole setting pivoted axis of rotation heart line extends along upper and lower direction is vertical, and is folding, and is a pair of first enclosing pole, the second enclosing pole of one of them in the enclosing pole subassembly encloses first enclosing pole, the second enclosing pole of pole setting subassembly and is located on the first enclosing pole, the second enclosing pole of another enclosing pole subassembly.

7. The folding bed of claim 6, wherein: the two ends of the upper side rod are respectively connected with two adjacent vertical rods, and the upper part of each vertical rod is respectively connected with the upper side rod and the first surrounding rod or the upper side rod and the second surrounding rod.

8. The folding bed of claim 5, wherein: the locking mechanism is arranged between the first surrounding rod and the second surrounding rod of the same surrounding rod component and is used for locking the first surrounding rod and the second surrounding rod in the unfolding state.

9. The folding bed of claim 8, wherein: locking mechanical system establishes including rotating the cover first rotation piece and rotation cover on the first part that encloses in pole, the second encloses the pole and establish first rotation piece, second rotate the second on another part in the pole, first rotation piece, second rotate and connect through pivot rotation each other between the piece, work as when folding bed is in the state of expanding, the axial lead of pivot extends along the horizontal direction, works as when folding bed is in fold condition, the axial lead of pivot extends along upper and lower direction.

10. The folding bed of claim 9, wherein: the bed frame further comprises an unlocking unit used for unlocking the locking mechanism, the unlocking unit comprises a sliding part arranged on one of the first enclosing rod and the second enclosing rod in a sliding mode along the length direction of the part, a lock pin fixedly arranged with the sliding part and a clamping groove which is formed in the locking mechanism and can be matched with and locked or separated from the lock pin, and when the lock pin is matched and locked with the clamping groove, the first rotating part and the second rotating part are respectively fixed relative to the first enclosing rod and the second enclosing rod; when the lock pin is separated from the clamping groove, the first rotating piece and the second rotating piece can rotate relative to the first enclosing rod and the second enclosing rod respectively, and the unlocking unit further comprises an elastic piece which is arranged between the one component and the sliding piece and used for enabling the lock pin to tend to be matched and locked with the clamping groove.