CN211154769U - Baby bed - Google Patents

Abstract

The utility model discloses a crib, the bedstead of which comprises a front support and a rear support which are respectively arranged at the front side and the rear side, an upper enclosing frame component connected between the front support and the rear support, and a chassis component arranged between the front support and the rear support and positioned below the upper enclosing frame component, wherein the chassis component comprises a plurality of connecting rods which extend along the front-rear direction and are sequentially and rotatably connected end to end, the front end part of the connecting rod at the forefront is rotatably connected on the front support, the rear end part of the connecting rod at the rearmost is rotatably connected on the rear support, the plurality of connecting rods of the chassis component can be folded between the front support and the rear support along the front-rear direction after being folded, so that the space between the front support and the rear support after the bedstead is folded is smaller, each rod piece of the bedstead can be tightly folded, and the size of the bedstead after being folded is greatly reduced, bringing convenience to the user.

Description

Baby bed

Technical Field

The utility model relates to a baby crib.

Background

The structure of crib among the prior art is diversified, compares in traditional wood bed structure, and foldable infant's bed is because of can folding the volume that reduces and is used widely, has brought very big facility for daily depositing and transportation. However, most folding beds at present still have a large volume after being folded, and the structure is not compact enough and still occupies a large space, and some folding beds also have a very flat shape after being folded, such as the folding bed disclosed in chinese patent CN108903468A, in which folding of the bed is realized by a plurality of sets of surrounding frame rod sets that can be folded relatively along the front-back direction, each set of surrounding frame rod sets is folded relatively and is folded between two sets of supports at the front and back sides along the front-back direction after being folded, and the space between the supports at both sides is still large, resulting in a large volume after being folded for the child bed.

Disclosure of Invention

The utility model aims at providing a novel crib.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a baby crib, comprising a crib frame having an unfolded state and a folded state, a locking mechanism for locking the crib frame in the unfolded state, the crib frame comprising a front support and a rear support which are respectively arranged at the front and rear sides, and an upper enclosure frame assembly connected between the front support and the rear support, the upper enclosure frame assembly comprising a front enclosure frame and a rear enclosure frame which are enclosed to form a frame shape, the front enclosure frame being rotatably connected to the upper portion of the front support, the rear enclosure frame being rotatably connected to the upper portion of the rear support, the rear portion of the front enclosure frame being relatively rotatably connected to the front portion of the rear enclosure frame, the crib frame further comprising an underframe assembly which is arranged between the front support and the rear support and is located below the upper enclosure frame assembly, the underframe assembly comprising a plurality of connecting rods which extend in the front-rear direction and are sequentially rotatably connected end to end, the front end portion of the frontmost connecting rod being rotatably connected to the front support, the rear end part of the rearmost connecting rod is rotatably connected to the rear support,

when the bedstead is in a folded state, the front support and the rear support are folded along the front-rear direction, the front surrounding frame and the rear surrounding frame are respectively folded between the front support and the rear support in a downward turning manner, and in the underframe assembly, all the rotating connection points between all the connecting rods move alternately leftwards and backwards in sequence to enable all the connecting rods to be folded between the front support and the rear support in a left-right turning manner.

Preferably, when the frame is folded, all the connecting rods extend in the left-right direction, and all the connecting rods are sequentially closed in the front-rear direction.

Preferably, in the underframe assembly, the length of any one of the connecting rods is smaller than the width of the front surrounding frame or the rear surrounding frame in the left-right direction.

Preferably, preceding support includes the preceding bracing piece that extends along upper and lower direction, the back support includes the back bracing piece that extends along upper and lower direction, preceding bracing piece connects with rotating the middle part of preceding enclosure frame, back bracing piece connects with rotating the middle part of back enclosure frame, many the connecting rod is connected preceding bracing piece with between the back bracing piece, just in the chassis subassembly, arbitrary one the length of connecting rod all is less than preceding enclosure frame or after enclose the ascending width of frame left and right sides.

Preferably, in the underframe assembly, the rotation joints of two adjacent connecting rods are provided with limiting parts for limiting the relative rotation directions of the two connecting rods.

Preferably, the base frame assembly includes a front connecting rod, a middle connecting rod and a rear connecting rod which are sequentially and rotatably connected end to end, the front portion of the front connecting rod is rotatably connected to the front support, the rear portion of the front connecting rod and the front portion of the middle connecting rod are rotatably connected to a first rotating connection point, the rear portion of the middle connecting rod and the front portion of the rear connecting rod are rotatably connected to a second rotating connection point, the rear portion of the rear connecting rod is rotatably connected to the rear support, and when the bed frame is in the folded state, the first rotating connection point and the second rotating connection point move left and right to enable the front connecting rod, the middle connecting rod and the rear connecting rod to be folded along the front-rear direction.

Further, when the frame is in the folded state, the front link is located at a front side of the middle link, and the rear link is located at a rear side of the middle link.

Preferably, the base frame assembly comprises two connecting rods which are mutually and rotatably connected, and when the bed frame is in an unfolded state, the two connecting rods extend along the same straight line direction and are supported between the front support and the rear support; when the bed frame is in a folded state, the two connecting rods rotate relatively and are converted to extend along the left-right direction.

Preferably, the base frame assembly comprises at least three connecting rods, all the connecting rods are sequentially connected end to end in a rotating manner to form a plurality of rotating connection points, and when the bed frame is in the unfolding state, two adjacent rotating connection points are distributed on the left side and the right side.

Preferably, the bed frame further comprises a lower enclosing frame assembly, the lower enclosing frame assembly is arranged below the upper enclosing frame assembly and above the underframe assembly, the lower enclosing frame assembly comprises a front lower enclosing rod and a rear lower enclosing rod which extend along the front and rear directions respectively, the rear part of the front lower enclosing rod and the front part of the rear lower enclosing rod are relatively rotatably connected, the front part of the front lower enclosing rod is rotatably connected to the front support, the rear part of the rear lower enclosing rod is rotatably connected to the rear support, and when the bed frame is in the folded state, the rotating connection part between the front lower enclosing rod and the rear lower enclosing rod moves upwards to enable the front lower enclosing rod and the rear lower enclosing rod to be folded between the front support and the rear support along the front and rear directions.

Preferably, the front support comprises a front support rod extending in the up-down direction, and the front support rod comprises a front upper support rod and a front lower support rod which are telescopic and slide relatively; the rear support comprises a rear supporting rod extending in the vertical direction, the rear supporting rod comprises a rear upper supporting rod and a rear lower supporting rod which slide relatively and stretch out and draw back, and the underframe assembly is connected between the front upper supporting rod and the rear upper supporting rod.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a crib, wherein through set up the chassis subassembly between preceding support and back support, relative rotation each other between many connecting rods through the chassis subassembly and realize folding up of fore-and-aft direction, many connecting rods of chassis subassembly draw in between preceding support and back support along the fore-and-aft direction after folding up for the interval between preceding support and the back support is less after the bedstead is folded up, each member of bedstead can realize closely drawing in, the size after the bedstead is folded up has been reduced by a wide margin, for the user has brought the facility.

Drawings

FIG. 1 is a perspective view of the infant bed of embodiment 1 in an expanded state;

FIG. 2 is a front view of the infant bed of embodiment 1 in an expanded state;

FIG. 3 is a schematic view of FIG. 1 with a lower enclosure assembly omitted;

FIG. 4 is a perspective view of the semi-folded state of the infant bed of embodiment 1;

FIG. 5 is a front view of the crib of FIG. 4;

FIG. 6 is a schematic view of FIG. 4 with a lower enclosure assembly omitted;

FIG. 7 is a perspective view of the semi-folded state II of the baby crib according to embodiment 1;

FIG. 8 is a front view of the crib of FIG. 7;

fig. 9 is a perspective view of the semi-folded state of the crib of embodiment 1;

FIG. 10 is a front view of the crib of FIG. 9;

FIG. 11 is a perspective view of the folding state of the infant bed of embodiment 1;

FIG. 12 is a front view of the crib of FIG. 11;

FIG. 13 is a perspective view of the infant bed of embodiment 2 in an expanded state;

FIG. 14 is a perspective view of the semi-folded state of the baby crib according to embodiment 2;

FIG. 15 is a perspective view of the infant bed of embodiment 3 in an expanded state;

FIG. 16 is a perspective view of the semi-folded state of the baby crib according to embodiment 3;

fig. 17 is a perspective view of the half-folded state of the baby crib according to embodiment 3;

FIG. 18 is a perspective view of the folding state of the infant bed of embodiment 3;

FIG. 19 is a perspective view of the infant bed of embodiment 4 in an expanded state;

FIG. 20 is a perspective view of the semi-folded state of the baby crib according to embodiment 4;

wherein: 1. a front support; 11. a front support bar; 11a, a front upper support rod; 11b, a front lower support rod; 12. a front bottom bar; 2. a rear support; 21. a rear support bar; 21a, a rear upper supporting rod; 21b, a rear lower support rod; 22. a rear sill bar; 3. an upper enclosure frame assembly; 31. a front enclosure frame; 32. a rear enclosure frame; 4. a lower enclosure frame assembly; 41. a front lower surrounding rod; 42. a rear lower surrounding rod; 43. a rotating shaft; 5. a chassis assembly; 51. a front link; 52. a middle connecting rod; 53. a rear connecting rod; 54. a first rotational connection; 55. a second rotational connection;

511. a first connecting rod; 512. a second connecting rod;

521. a first connecting rod; 522. a second connecting rod; 523. a third connecting rod; 524. a connecting rod IV;

531. a first connecting rod; 532. a second connecting rod; 533. a third connecting rod; 534. a connecting rod IV; 535. and a fifth connecting rod.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

The following terms of the front, rear, left and right directions are defined with reference to the body orientation of the infant when the infant is in use.

Example 1

Referring to fig. 1 to 12, a baby crib includes a frame having an expanded state and a folded state, and a locking mechanism for locking the frame in the expanded state. The bedstead is including the preceding support 1 and the back support 2 of locating front and back both sides, being connected at preceding support 1 and the back support 2 between enclose frame subassembly 3, enclose frame subassembly 3 including enclosing before establishing to be the frame type enclose frame 31 and enclose frame 32 after with, enclose the upper portion of frame 31 in the front with rotating, enclose frame 32 after with rotating and connect the upper portion at back support 2, enclose the rear portion of frame 31 and enclose the anterior relative rotation ground of frame 32 before with and be connected.

This bedstead is still including setting up between preceding support 1 and back support 2 and being located the chassis subassembly 5 of enclosing frame subassembly 3 below, and this chassis subassembly 5 includes and extends and end to end along the fore-and-aft direction and rotates many connecting rods of connection in proper order, and the preceding tip of the connecting rod in the forefront is connected on preceding support 1 with rotating, and the rear end of the connecting rod in the rearmost is connected on back support 2 with rotating.

In this embodiment, the chassis assembly 5 is provided with three links, namely a front link 51, a middle link 52 and a rear link 53, which are rotatably connected end to end, the front portion of the front link 51 is rotatably connected to the front support 1, the rear portion of the front link 51 and the front portion of the middle link 52 are rotatably connected to a first rotary joint 54, the rear portion of the middle link 52 and the front portion of the rear link 53 are rotatably connected to a second rotary joint 55, and the rear portion of the rear link 53 is rotatably connected to the rear support 2. The length of any one of the front link 51, the middle link 52 and the rear link 53 is not greater than the width of the front enclosure frame 31 and the rear enclosure frame 32 in the left-right direction.

When the folding device is arranged, the relative rotation can only be carried out between the front connecting rod 51 and the front support 1, between the front connecting rod 51 and the middle connecting rod 52, between the middle connecting rod 52 and the rear connecting rod 53 and between the rear connecting rod 53 and the rear support 2 along the left-right horizontal direction, so that the front connecting rod 51, the middle connecting rod 52 and the rear connecting rod 53 can only be relatively overturned and folded along the left-right direction in the horizontal direction. Each rotary joint is also provided with a limiting piece (not marked in the figure) for limiting the relative rotation direction between the two rod pieces which rotate relatively.

The bed frame further comprises a lower enclosing frame assembly 4 arranged between the front support 1 and the rear support 2, the lower enclosing frame assembly 4 is positioned below the upper enclosing frame assembly 3 and above the bottom rod assembly 5, the lower enclosing frame assembly 4 comprises a front lower enclosing rod 41 and a rear lower enclosing rod 42 which respectively extend along the front-back direction, the rear part of the front lower enclosing rod 41 is rotatably connected with the front part of the rear lower enclosing rod 42 through a rotating shaft 43, the front part of the front lower enclosing rod 41 is rotatably connected on the front support 1, and the rear part of the rear lower enclosing rod 42 is rotatably connected on the rear support 2.

Referring to the drawings, the front support 1 comprises a front support rod 11 extending in the up-down direction and a front bottom rod 12 arranged at the bottom of the front support rod 11 and supported on the ground, the front support rod 11 comprises a front upper support rod 11a and a front lower support rod 11b sliding and extending in the up-down direction, and the front bottom rod 12 is fixedly arranged at the bottom of the front lower support rod 11 b; the rear support 2 comprises a rear support rod 21 extending in the up-down direction and a rear bottom rod 22 arranged at the bottom of the rear support rod 21 and supported on the ground, the rear support rod 21 comprises a rear upper support rod 21a and a rear lower support rod 21b which slide and stretch relatively in the up-down direction, and the rear bottom rod 22 is fixedly arranged at the bottom of the rear lower support rod 21 b. The upper surrounding frame assembly 3, the lower surrounding frame assembly 4 and the underframe assembly 5 are all arranged between the front upper support rod 11a and the rear upper support rod 21a on both sides. The upper part of the front upper support rod 11a is rotatably connected to the middle position of the front enclosure frame 31 in the left-right direction, and the upper part of the rear upper support rod 21a is rotatably connected to the middle position of the rear enclosure frame 32 in the left-right direction.

When the bed frame is in an unfolded state, as shown in fig. 1 to 3, the front surrounding frame 31 and the rear surrounding frame 32 of the upper surrounding frame assembly 3 are unfolded relatively and supported between the front support 1 and the rear support 2 along the front-rear direction, and the front lower surrounding rod 41 and the rear lower surrounding rod 42 of the lower surrounding frame assembly 4 are unfolded relatively between the front support 1 and the rear support 2 along the front-rear horizontal direction, so as to form an auxiliary support for a bed board on which a child lies; the front link 51, the middle link 52 and the rear link 53 of the underframe assembly 5 are relatively unfolded between the front support 1 and the rear support 2 in the fore-and-aft direction, and the first rotation connection point 54 and the second rotation connection point 55 are distributed left-to-right. The front support 1 and the rear support 2 are extended in the vertical direction to have a high height.

When it is desired to fold the frame, as shown in fig. 2, the pivotal connection point between the front and rear enclosure frames 31 and 32 is driven to move downward and the pivotal connection point between the front and rear lower rail 41 and 42 is driven to move upward, which causes the front and rear holders 1 and 2 on both sides to move relatively in the front-rear direction. Thus, referring to fig. 4 to 6, the front and rear frames 31 and 32 are respectively turned downward and gradually folded relatively, the front and rear lower rods 41 and 42 are respectively turned upward and gradually folded relatively, the front and rear seats 1 and 2 are gradually approached in the front-rear direction, and in the underframe assembly 5, the first rotary joint 54 and the second rotary joint 55 are moved left-right, so that the front, middle and rear links 51, 52 and 53 are respectively turned left-right and gradually folded in the front-rear direction, as shown in fig. 7 to 10. Thus, the front and rear frames 31 and 32, and the front and rear lower links 41 and 42 respectively rotate relatively to each other to be folded in the longitudinal direction with the longitudinal direction of the front and rear seats 1 and 2, and the front, middle and rear links 51, 52 and 53 are all converted to extend in the left-right direction and to be sequentially folded in the front-rear direction, that is, the front link 51 is located at the front side of the middle link 52, and the rear link 53 is located at the rear side of the middle link 52. Finally, the front support 1 and the rear support 2 are lowered to a lower height, respectively, so that the size of the bed frame is further reduced to form a state as shown in fig. 11 and 12, and the bed frame is very compact in structure and very small in volume.

Example 2

Referring to the crib shown in fig. 13 to 14, the present embodiment is different from embodiment 1 mainly in the arrangement of the base frame assembly 5. In the present embodiment, the bottom frame assembly 5 includes two links, i.e., a first link 511 and a second link 512, wherein a front portion of the first link 511 is rotatably connected to the front support 1, a rear portion of the first link 511 is rotatably connected to a front portion of the second link 512, and a rear portion of the second link 512 is rotatably connected to the rear support 2.

When the frame is in the unfolded state, as shown in fig. 13, the first connecting rod 511 and the second connecting rod 512 extend in the front-rear direction and extend in the same direction to be supported between the front support 1 and the rear support 2; when the bed frame is folded, the rotating connection point between the first connecting rod 511 and the second connecting rod 512 moves leftwards or rightwards, so that the front support 1 and the rear support 2 are gradually folded along the front-back direction.

Example 3

Referring to the crib shown in fig. 15 to 18, the present embodiment is different from embodiment 1 mainly in the arrangement of the base frame assembly 5.

In the present embodiment, the underframe assembly 5 includes four links, which are respectively a first link 521, a second link 522, a third link 523 and a fourth link 524 sequentially distributed along the front-rear direction, the front portion of the first link 511 is rotatably connected to the front support 1, the rear portion of the first link 521 is rotatably connected to the front portion of the second link 522, the rear portion of the second link 522 is rotatably connected to the front portion of the third link 523, the rear portion of the third link 523 is rotatably connected to the front portion of the fourth link 524, and the rear portion of the fourth link 524 is rotatably connected to the rear support 2.

When the bedstead is in an unfolded state, the first connecting rod 521, the second connecting rod 522, the third connecting rod 523 and the fourth connecting rod 524 are oppositely unfolded and sequentially distributed along the front-back direction, three rotating connection points are formed among the four connecting rods, and two adjacent rotating connection points are distributed in a left-right mode in the three rotating connection points. When the bed frame is folded, the rotating connection point at the left part moves leftwards, and the rotating connection point at the right part moves rightwards, so that the first connecting rod 521, the second connecting rod 522, the third connecting rod 523 and the fourth connecting rod 524 respectively rotate and gradually change to extend along the left-right direction, and the front support 1 and the rear support 2 are gradually folded along the front-back direction.

Example 4

Referring to the crib shown in fig. 19 to 20, the present embodiment is different from embodiment 1 mainly in the arrangement of the base frame assembly 5.

In the present embodiment, the bottom chassis assembly 5 includes five links, which are a first link 531, a second link 532, a third link 533, a fourth link 534 and a fifth link 535 sequentially distributed along the front-rear direction, wherein the front portion of the first link 531 is rotatably connected to the front support 1, the rear portion of the first link 531 is rotatably connected to the front portion of the second link 532, the rear portion of the second link 532 is rotatably connected to the front portion of the third link 533, the rear portion of the third link 533 is rotatably connected to the front portion of the fourth link 534, the rear portion of the fourth link 534 is rotatably connected to the front portion of the fifth link 535, and the rear portion of the fifth link 535 is rotatably connected to the rear support 2.

When the bedstead is in an unfolded state, the first connecting rod 531, the second connecting rod 532, the third connecting rod 533, the fourth connecting rod 534 and the fifth connecting rod 535 are oppositely unfolded and sequentially distributed along the front-back direction, four rotating connecting points are formed among the five connecting rods, and two adjacent rotating connecting points are distributed in a left-right mode among the four rotating connecting points. When the bed frame is folded, the rotating connection point at the left part moves leftwards, and the rotating connection point at the right part moves rightwards, so that the first connecting rod 531, the second connecting rod 532, the third connecting rod 533, the fourth connecting rod 534 and the fifth connecting rod 535 respectively rotate and gradually change to extend along the left-right direction, and the front support 1 and the rear support 2 are gradually folded along the front-back direction.

Because the underframe assembly 5 is connected between the front supporting rod 11 and the rear supporting rod 21 which are positioned at the middle position in the left-right direction, the underframe assembly 5 needs the multi-section connecting rods to ensure that the length of any one connecting rod is smaller than the width in the left-right direction of the front enclosing frame 31 or the rear enclosing frame 32, so that each connecting rod can not exceed the width of the upper enclosing frame assembly 3 after the bedstead is folded, and the volume of the bedstead is smaller.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. A baby crib, comprising a crib frame having an unfolded state and a folded state, and a locking mechanism for locking the crib frame in the unfolded state, wherein the crib frame comprises a front support and a rear support which are respectively arranged at the front and rear sides, and an upper enclosure frame assembly connected between the front support and the rear support, the upper enclosure frame assembly comprises a front enclosure frame and a rear enclosure frame which are enclosed to form a frame shape, the front enclosure frame is rotatably connected to the upper part of the front support, the rear enclosure frame is rotatably connected to the upper part of the rear support, and the rear part of the front enclosure frame is rotatably connected to the front part of the rear enclosure frame, characterized in that: the bedstead also comprises an underframe assembly which is arranged between the front support and the rear support and is positioned below the upper enclosing frame assembly, the underframe assembly comprises a plurality of connecting rods which extend along the front-rear direction and are sequentially and rotatably connected end to end, the front end part of the frontmost connecting rod is rotatably connected on the front support, the rear end part of the rearmost connecting rod is rotatably connected on the rear support,

when the bedstead is in a folded state, the front support and the rear support are folded along the front-rear direction, the front surrounding frame and the rear surrounding frame are respectively folded between the front support and the rear support in a downward turning manner, and in the underframe assembly, all the rotating connection points between all the connecting rods move alternately leftwards and backwards in sequence to enable all the connecting rods to be folded between the front support and the rear support in a left-right turning manner.

2. The crib of claim 1, wherein: when the bedstead is in a folded state, all the connecting rods extend along the left-right direction, and all the connecting rods are sequentially closed along the front-back direction.

3. The crib of claim 1, wherein: in the underframe assembly, the length of any one connecting rod is smaller than the width of the front surrounding frame or the rear surrounding frame in the left-right direction.

4. The crib of claim 1, wherein: preceding support includes the preceding bracing piece that extends along upper and lower direction, the back support includes the back bracing piece that extends along upper and lower direction, preceding bracing piece is connected with rotating at the middle part of preceding enclosure frame, back bracing piece is connected with rotating at the middle part of back enclosure frame, many the connecting rod is connected preceding bracing piece with between the back bracing piece, just in the chassis subassembly, arbitrary one the length of connecting rod all is less than preceding enclosure frame or after enclose the ascending width of frame left and right sides.

5. The crib of claim 1, wherein: in the underframe assembly, the rotating connection positions of two adjacent connecting rods are provided with limiting parts for limiting the relative rotating directions of the two connecting rods.

6. The crib of claim 1, wherein: the underframe assembly comprises a front connecting rod, a middle connecting rod and a rear connecting rod which are sequentially connected in a rotating mode from head to tail, the front portion of the front connecting rod is rotatably connected to the front support, the rear portion of the front connecting rod is rotatably connected to the first rotating joint of the front portion of the middle connecting rod, the rear portion of the middle connecting rod is rotatably connected to the second rotating joint of the front portion of the rear connecting rod, the rear portion of the rear connecting rod is rotatably connected to the rear support, and when the bedstead is in a folded state, the first rotating joint of the rear connecting rod is movably connected to the second rotating joint in a left-right mode so that the front connecting rod, the middle connecting rod and the rear connecting rod can be furled in along the front-rear direction.

7. The crib of claim 1, wherein: the underframe assembly comprises two connecting rods which are mutually and rotatably connected, and when the bed frame is in an unfolded state, the two connecting rods extend along the same straight line direction and are supported between the front support and the rear support; when the bed frame is in a folded state, the two connecting rods rotate relatively and are converted to extend along the left-right direction.

8. The crib of claim 1, wherein: the underframe assembly comprises at least three connecting rods, all the connecting rods are sequentially connected end to end in a rotating manner to form a plurality of rotating connection points, and when the bedstead is in an unfolded state, two adjacent rotating connection points are distributed from left to right.

9. The crib of claim 1, wherein: the bedstead further comprises a lower enclosing frame assembly, the lower enclosing frame assembly is arranged below the upper enclosing frame assembly and is positioned above the underframe assembly, the lower enclosing frame assembly comprises a front lower enclosing rod and a rear lower enclosing rod which respectively extend along the front-rear direction, the rear part of the front lower enclosing rod is connected with the front part of the rear lower enclosing rod in a relative rotating manner, the front part of the front lower enclosing rod is connected with the front support in a rotating manner, the rear part of the rear lower enclosing rod is connected with the rear support in a rotating manner, and when the bedstead is in a folded state, the rotating connection part between the front lower enclosing rod and the rear lower enclosing rod moves upwards to enable the front lower enclosing rod and the rear lower enclosing rod to be folded between the front support and the rear support in the front-rear direction.

10. The crib according to any of claims 1 to 9, characterized in that: the front support comprises a front support rod extending along the up-down direction, and the front support rod comprises a front upper support rod and a front lower support rod which slide and stretch relatively; the rear support comprises a rear supporting rod extending in the vertical direction, the rear supporting rod comprises a rear upper supporting rod and a rear lower supporting rod which slide relatively and stretch out and draw back, and the underframe assembly is connected between the front upper supporting rod and the rear upper supporting rod.

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