CN110279252B

CN110279252B - Infant bed

Info

Publication number: CN110279252B
Application number: CN201910663691.6A
Authority: CN
Inventors: 杨钧卿
Original assignee: B & B Best Industrial Co ltd
Current assignee: B & B Best Industrial Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2024-05-14
Anticipated expiration: 2039-07-23
Also published as: CN110279252A

Abstract

The invention discloses an infant bed, which comprises an upper frame, wherein the upper frame is rotatably connected with a left bracket and a right bracket which can be rotated and folded relative to the bottom of the upper frame, a folding rotary joint is arranged between the bracket and the upper frame, after the bracket is unfolded, the folding rotary joint locks the bracket and the upper frame relatively, and a folding unlocking button for releasing the locking state of the folding rotary joint to the bracket and the upper frame is arranged on the upper frame. The invention also discloses an infant bed, wherein the upper frame comprises a main frame with a side opening on one side edge and a blocking rod capable of blocking the side opening, the bottom of the main frame is respectively connected with brackets on two sides of the side opening, sliding connecting devices capable of guiding and sliding the two ends of the blocking rod up and down are respectively arranged between the two sides of the side opening and the two brackets, and a blocking rod locking device capable of locking the blocking rod on the sliding connecting devices in the up and down positions.

Description

Infant bed

[ Field of technology ]

The invention relates to an infant bed.

[ Background Art ]

The folding child bed on the market at present is composed of an upper frame and a supporting rod for supporting the upper frame, wherein the upper frame is composed of a front cross rod, a rear cross rod, a left railing and a right railing, and the two pairs of rods are connected in a rotating way, the front cross rod and the rear cross rod can be folded and deformed in the middle, and when being folded, the front cross rod and the rear cross rod are folded downwards from the middle to form an M-shaped folding structure, as described in patent documents CN10356516B and CN 102525190A. Because the rotation junction of horizontal pole and railing also often has the gap at the top surface, causes tong or double-layered meat easily, because the horizontal pole is rotated by two sections pole about and is connected, this horizontal pole has the gap at two sections pole rotation junctions about, and this junction structure is weak, and the atress is big in the ordinary use, has certain relative motion volume, and structural stability is poor.

Particularly in the bedside bed structure such as CN102525190a, a cross bar is lowered to completely expose one side of the upper frame to the opening, and when the cross bar is lowered to support the side of the upper frame, the cross bar is easy to pinch or hurt, so that the safety use requirements of some countries such as export europe are difficult to meet.

In addition, the foldable child bed described in patent documents CN10356516B and CN102525190a cannot realize the function of the swing bed, and when the swing bed is required by a user, the child bed is purchased additionally, so that the living cost and the space occupation of the living environment are increased.

The present invention has been made in view of the above-mentioned technical problems.

[ Invention ]

The technical problem to be solved by the invention is to provide the infant bed which has a plurality of functions of an infant bed, a bedside bed, a play yard, a cradle and the like, can be unlocked and folded by one hand, and has the characteristics of good structural stability, safe and reliable use and convenient folding.

In order to solve the technical problems, the invention provides an infant bed, which is characterized in that: the folding and unlocking device comprises an upper frame 1, wherein the bottom of the upper frame 1 is rotatably connected with a left bracket 2 and a right bracket 2 which can be folded relative to the bottom of the upper frame 1, a folding rotary joint 8 is arranged between the bracket 2 and the upper frame 1, after the bracket 2 is unfolded, the bracket 2 and the upper frame 1 are relatively locked by the folding rotary joint 8, and a folding and unlocking button 9 for releasing the locking state of the folding rotary joint 8 between the bracket 2 and the upper frame 1 is arranged on the upper frame 1.

An infant bed as described above, characterized in that: the upper frame 1 comprises a main frame 11 with a side opening 10 on one side edge and a blocking rod 12 capable of blocking the side opening 10, the left bracket 2 and the right bracket 2 are respectively arranged on two sides of the side opening 10, a sliding connecting device 3 capable of guiding and sliding the two ends of the blocking rod 12 up and down and a blocking rod locking device 4 capable of locking the blocking rod 12 on the sliding connecting device 3 in the up-down position are respectively arranged between the two sides of the side opening 10 and the two brackets 2.

An infant bed as described above, characterized in that: the sliding connection device 3 comprises sliding rails arranged on two sides of the side opening 10, and two ends of the blocking rod 12 are respectively in sliding connection with the two sliding rails.

An infant bed as described above, characterized in that: the sliding rail comprises an upper sliding rail 31 fixed on the side opening end 13 of the main frame 11 and a lower sliding rail 32 fixed on the support 2, the lower end of the upper sliding rail 31 is in butt joint communication with the upper end of the lower sliding rail 32, and the end of the blocking rod 12 is correspondingly in sliding connection with the upper sliding rail 31 and the lower sliding rail 32.

An infant bed as described above, characterized in that: the blocking rod locking device 4 comprises buckling holes 41 respectively arranged on the sliding rails, two ends of the blocking rod 12 are respectively connected with a locking rod 42 which can extend out of the buckling holes 41 in a sliding manner, the blocking rod 42 is elastically ejected outwards through an elastic piece arranged between the blocking rod 12 and the locking rod 42, and a blocking rod unlocking switch 43 used for driving the locking rod 42 and enabling the blocking rod 42 to withdraw from the locking hole 41 is slidably arranged on the blocking rod 12.

An infant bed as described above, characterized in that: both ends of the blocking rod 12 are provided with sliding tables 33, and the locking rod 42 can extend out of the sliding tables 33 and be inserted into the buckling holes 41.

An infant bed as described above, characterized in that: the top of the upper sliding rail 31 is provided with an upper limiting part 34 for limiting the upward sliding of the end part of the blocking rod 12, the bottom of the lower sliding rail 32 is provided with a lower limiting part 35 for limiting the downward sliding of the end part of the blocking rod 12, and the blocking rod locking device 4 locks the end part of the blocking rod 12 when the end part of the blocking rod 12 slides to the upper limiting part 34 or the lower limiting part 35.

An infant bed as described above, characterized in that: the bracket 2 comprises two foot bars 5 which are respectively and rotatably connected to a main frame 11, an arc-shaped bottom bar 7 is rotatably connected between the lower parts of the two foot bars 5 through a first rotary joint 6, and a swinging locking device which can lock the arc-shaped bottom bar 7 and the foot bars 5 with each other when the cambered surface convex surface of the arc-shaped bottom bar 7 rotates downwards is arranged on the first rotary joint 6.

An infant bed as described above, characterized in that: the first rotary joint 6 comprises a fixed block 61 fixed with the foot rod 5 and a rotary block 62 fixed with the arc-shaped bottom rod 7, the fixed block 61 and the rotary block 62 are rotationally connected, the swinging locking device comprises a deflector rod 63 slidingly connected with the rotary block 62, the fixed block 61 is provided with a limiting groove 64 for the deflector rod 63 to be inserted when the arc-shaped bottom rod 7 is rotated downwards in a convex arc surface, so that the fixed block 61 and the rotary block 62 are limited to rotate, and a compression spring 65 for ejecting the deflector rod 63 into the limiting groove 64 is arranged between the rotary block 62 and the deflector rod 63.

An infant bed as described above, characterized in that: the foot bar 5 comprises an outer tube 51 and an inner tube 52 which are arranged up and down, the outer tube 51 is sleeved on the outer side of the inner tube 52 and can be used for the inner tube 52 to be pulled out downwards or retracted upwards, and a telescopic locking device which can lock the outer tube 51 and the inner tube 52 after the inner tube 52 is pulled out downwards is arranged between the outer tube 51 and the inner tube 52.

An infant bed as described above, characterized in that: the folding unlocking button 9 is provided with one and is connected with the left folding rotary joint 8 and the right folding rotary joint 8 through a linkage piece.

The invention also provides an infant bed, which has the functions of an infant bed, a bedside bed, a play yard and the like, has the characteristics of good structural stability and safe and reliable use, and is characterized in that: the side opening 10 is arranged on one side of the upper frame 1, the side opening 10 is arranged on the side edge of the upper frame 1, a blocking rod 12 capable of blocking the side opening 10 is arranged on the side edge of the upper frame 1, supports 2 are respectively connected to the bottom of the main frame 11 and two sides of the side opening 10, sliding connecting devices 3 capable of guiding the two ends of the blocking rod 12 to slide up and down are respectively arranged between the two sides of the side opening 10 and the two supports 2, and blocking rod locking devices 4 capable of locking the blocking rod 12 on the sliding connecting devices 3 in the up-down position are arranged.

Compared with the prior art, the infant bed has the following advantages:

1. The infant bed has a folding function, the support 2 and the upper frame 1 are connected through the folding rotary joint 8, the folding rotary joint 8 can lock the support 2 and the upper frame 1 with each other after the support 2 is unfolded, the folding rotary joint 8 is unlocked through the folding unlocking button 9, the structure is simple, the folding is convenient, the size of the infant bed after being folded is small, one folding unlocking button 9 can be arranged, and the folding rotary joint 8 is connected left and right through the linkage piece, so that the infant bed has the characteristic of one-hand unlocking and folding.

2. The invention has simple structure and various functions, and can be used as a crib, a play yard, a bedside bed and a cradle.

3. According to the rod piece structure with the integrally designed blocking rods, the blocking rods are connected in a sliding manner through the sliding connecting device 3, and the ends of the blocking rods 12 are correspondingly locked at the upper and lower positions of the sliding connecting device 3 through the blocking rod locking device 4, so that the main frame 11 and the blocking rods 12 are always connected into a firm whole, swing between the main frame 11 and the blocking rods 12 can be avoided, the connection stability of the whole upper frame 1 is improved, and clamping or clamping accidents are avoided when the main frame 11 and the blocking rods 12 relatively swing, therefore, the use safety performance is good.

4. The sliding connection device 3 is composed of an upper sliding rail 31 and a lower sliding rail 32 which are separated from each other, the upper sliding rail 31 and the lower sliding rail 32 are communicated, and by the cooperation of the upper sliding rail 31 and the lower sliding rail 32, when the bracket 2 is unfolded, the upper sliding rail 31 and the lower sliding rail 32 form a communicated track for the sliding of the sliding table 33, when the bracket is folded, the sliding table 33 slides onto the upper sliding rail 31, the bracket 2 on the left side is folded to the right, the bracket 2 on the right side is folded to the left, and the upper frame 1 is respectively closed, so that flat folding is realized.

[ Description of the drawings ]

The invention is described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic view of the structure of the present invention when used as a crib and play yard;

FIG. 2 is a schematic view of the structure of the present invention when used as a bedside bed;

FIG. 3 is a schematic view of the structure of the sliding connection device;

FIG. 4 is a schematic view of a first rotary joint;

FIG. 5 is a schematic view of the connection structure of the folding unlocking button and the folding revolute joint;

FIG. 6 is a schematic view of the connection structure between the pulling member, the sliding column and the lifting member;

FIG. 7 is a schematic view of the folded state of the present invention;

fig. 8 is a schematic structural view of the present invention as an application state of the crib.

[ Detailed description ] of the invention

The invention is further described below with reference to the accompanying drawings:

the infant bed as shown in fig. 1 to 6 comprises an upper frame 1, wherein the bottom of the upper frame 1 is rotatably connected with a left bracket 2 and a right bracket 2 which can be rotated and folded relative to the bottom of the upper frame 1, a folding rotary joint 8 is arranged between the bracket 2 and the upper frame 1, after the bracket 2 is unfolded, the folding rotary joint 8 locks the bracket 2 and the upper frame 1 relatively, and a folding unlocking button 9 for unlocking the locking state of the folding rotary joint 8 between the bracket 2 and the upper frame 1 is arranged on the upper frame 1.

The folding unlocking button 9 is connected with the folding rotary joint 8 through a linkage piece, and when the folding unlocking button 9 is used, the folding rotary joint 8 is pulled through the linkage piece to release the locking state. The linkage member can be a steel wire rope.

As shown in fig. 1, two folding and unlocking buttons 9 are respectively disposed on the left and right side frames of the upper frame 1, each folding and unlocking button 9 is correspondingly connected to a folding rotary joint 8 disposed on one side thereof through a linkage, and when folding, the folding rotary joint 8 can be respectively unlocked and then folded on the bracket 2. Of course, in order to realize one-hand unlocking and folding, only one folding unlocking button 9 may be provided, and the folding unlocking button 9 may be simultaneously connected to the left and right folding revolute joints 8 by a wire, and the folding unlocking button 9 may be operated to unlock the left and right folding revolute joints 8 by one key, which is not shown here.

Preferably, the upper frame 1 includes a main frame 11 with a side opening 10 on one side and a blocking rod 12 capable of blocking the side opening 10, the main frame 11 is of an integral fixing structure, the left and right brackets 2 are respectively disposed on two sides of the side opening 10, sliding connection devices 3 capable of guiding and sliding the two ends of the blocking rod 12 up and down are respectively disposed between the two sides of the side opening 10 and the two brackets 2, and blocking rod locking devices 4 capable of locking the blocking rod 12 on the sliding connection devices 3 in up and down positions.

When the blocking rod 12 slides upwards to supplement the side opening 10, the main frame 11 and the blocking rod 12 are connected into a closed upper frame 1, a bed cloth cover 100 with a bed plate at the bottom is arranged in a space surrounded by the upper frame 1, as shown in fig. 8, a first zipper 101 is arranged at the middle part and the bottom of the bed cloth cover, when the first zipper is pulled open, the bottom of the bed cloth cover is put down to the ground from the middle part and used as a game bed, the bottom of the bed cloth cover is lifted to the middle part and pulled up through the first zipper, so that the bottom of the bed cloth cover is fixed at the middle part and used as a common baby bed; after the blocking rod 12 slides downwards, the side opening 10 is exposed, the side opening 10 is used as a bedside bed, correspondingly, the second zippers 102 which can be pulled open along the sliding direction of the blocking rod 12 are arranged on the left side and the right side of the side opening 10 on the front side of the bed cloth cover, and the left second zipper and the right second zipper are pulled open downwards, so that a cloth piece, which is positioned between the left second zipper and the right second zipper on the front side of the bed cloth cover, is folded downwards along with the downward sliding of the blocking rod 12, the front door is exposed, and when the front door is exposed to be used as the bedside bed, the front door is tidy and reasonable in position through the sliding mode of the blocking rod 12 and the arrangement of the left second zipper and the right second zipper.

The blocking rod 12 is of an integral fixed structure, is connected in a sliding manner in the vertical direction through the sliding connection device 3, and locks the blocking rod 12 at the vertical position of the sliding connection device 3 through the blocking rod locking device 4, so that when the main frame 11 and the blocking rod 12 are connected into an integral upper frame 1, the swinging between the main frame 11 and the blocking rod 12 can be avoided, the swinging of rod pieces forming the blocking rod 12 at each connecting position when the blocking rod 12 is folded can be avoided, the connection stability of the whole upper frame 1 is improved, and the clamping or meat clamping of the main frame 11 and the blocking rod 12 is avoided when the main frame 11 and the blocking rod 12 relatively swing, so that the use safety performance is good. Similarly, in the bedside bed state, when the blocking rod 12 is fixed at the lower end of the sliding connection device 3, the connection stability of the blocking rod 12 is good, the blocking rod 12 is strong when being supported at the front side, the safety is enhanced, and the hidden danger of clamping hands or meat is avoided.

The sliding connection device 3 comprises sliding rails arranged on two sides of the side opening 10, and two ends of the blocking rod 12 are respectively in sliding connection with the two sliding rails.

The sliding rail comprises an upper sliding rail 31 fixed on the side opening end 13 of the main frame 11 and a lower sliding rail 32 fixed on the support 2, the lower end of the upper sliding rail 31 is in butt joint communication with the upper end of the lower sliding rail 32, and the end of the blocking rod 12 is correspondingly in sliding connection with the upper sliding rail 31 and the lower sliding rail 32. By matching the upper slide rail 31 and the lower slide rail 32, when the bracket 2 is unfolded, the upper slide rail 31 and the lower slide rail 32 form a communicated rail for the blocking rod 12 to slide, when the bracket is folded, the blocking rod 12 slides onto the upper slide rail 31, then the bracket 2 on the left side is folded to the right, the bracket 2 on the right side is folded to the left, and the upper frames 1 are respectively closed to realize flat folding, as shown in a folding state of fig. 7.

The blocking rod locking device 4 comprises buckling holes 41 respectively arranged on the sliding rails, two ends of the blocking rod 12 are respectively connected with a locking rod 42 which can extend out of the buckling holes 41 in a sliding manner, the blocking rod 42 is elastically ejected outwards by arranging an elastic piece between the blocking rod 12 and the locking rod 42, the elastic piece can adopt a spring, and the blocking rod 12 is slidably provided with a blocking rod unlocking switch 43 for driving the locking rod 42 and enabling the blocking rod 42 to withdraw from the locking hole 41. Specifically, the blocking rod 42 and the blocking rod unlocking switch 43 are fixedly connected, and after the blocking rod unlocking switch 43 is pulled to retract the blocking rod 42 out of the buckling hole 41, the blocking rod 12 is unlocked, the blocking rod 12 can slide up and down, and the operation is simple and convenient.

Both ends of the blocking rod 12 are respectively provided with a sliding table 33 which is in sliding connection with the sliding rail, and the locking rod 42 can extend out of the sliding table 33 and be inserted into the buckling hole 41.

The top of the upper sliding rail 31 is provided with an upper limiting part 34 for limiting the upward sliding of the end part of the blocking rod 12, the bottom of the lower sliding rail 32 is provided with a lower limiting part 35 for limiting the downward sliding of the end part of the blocking rod 12, and the blocking rod locking device 4 locks the end part of the blocking rod 12 when the end part of the blocking rod 12 slides to the upper limiting part 34 or the lower limiting part 35. That is, when the sliding table 33 slides to the upper limit part 34, the locking rod 42 is opposite to the fastening hole 41 on the upper sliding rail 31, and the locking rod 42 is inserted into the fastening hole 41 to be locked; when the sliding table 33 slides to the lower limiting part 35, the locking rod 42 is opposite to the buckling hole 41 on the lower sliding rail 32, and the locking rod 42 is inserted into the buckling hole 41 for locking; the upper limit part 34 and the lower limit part 35 are convenient for positioning the up-down sliding position of the blocking rod 12, and the upper limit part 34 can cover the sliding table 33 from the upper side, thereby further preventing meat from being clamped; the lower limiting part 35 is matched with the locking rod 42 to jointly support the blocking rod 12, so that the supporting strength of the blocking rod 12 in the bedside bed state is increased.

In order to realize the function of shaking table, support 2 includes two foot poles 5 that rotatable connection is on main frame 11 respectively, two rotate through first rotary joint 6 between the lower part of foot pole 5 and be connected with arc sill bar 7, be equipped with on the first rotary joint 6 and rotate down when the cambered surface convex surface of arc sill bar 7, can be with the rocking locking device of arc sill bar 7 and foot pole 5 mutual locking, rotate the arc sill bar 7 of left and right sides and make bellied cambered surface face down and support subaerial, then infant's bed can realize the front and back and shake.

The first rotary joint 6 comprises a fixed block 61 fixed with the foot rod 5 and a rotary block 62 fixed with the arc-shaped bottom rod 7, the fixed block 61 and the rotary block 62 are rotationally connected, the swinging locking device comprises a deflector rod 63 slidingly connected with the rotary block 62, a limiting groove 64 for the deflector rod 63 to be inserted when the arc-shaped bottom rod 7 is rotated downwards in a convex arc surface mode is formed in the fixed block 61, the fixed block 61 and the rotary block 62 are limited to rotate, and a compression spring 65 for ejecting the deflector rod 63 into the limiting groove 64 is arranged between the rotary block 62 and the deflector rod 63.

Because the length of the infant bed is limited and the infant bed has a relative height, in order to make the volume of the infant bed after flat folding smaller, the foot bar 5 comprises an outer tube 51 and an inner tube 52 which are arranged up and down, the outer tube 51 is sleeved outside the inner tube 52 and can be used for the inner tube 52 to be pulled out downwards or retracted upwards, and a telescopic locking device which can lock the outer tube 51 and the inner tube 52 after the inner tube 52 is pulled out downwards is arranged between the outer tube 51 and the inner tube 52. The telescopic locking device comprises a protruding column 53 which is connected to an inner tube 52 and can protrude and retract relative to the surface of the inner tube 52, the protruding column 53 is driven to protrude on the surface of the inner tube 52 and retract when pressed by an elastic piece between the inner tube 52 and the protruding column 53, and a column hole 54 for the protruding column to spring up and clip in is arranged on the outer tube 51. When the left and right brackets 2 are folded relatively, the inner pipe 52 is inserted upwards into the outer pipe 51, so that the height of the foot rod 5 is reduced, and the left and right brackets 2 are prevented from being overlapped.

The folding rotary joint 8 comprises a rotary connecting piece 81, a mounting seat 82, a pulling piece 83 and a lifting piece 84, wherein the rotary connecting piece 81 is fixed on the outer side of the main frame 11, the lower end of the rotary connecting piece is rotationally connected with the outer tube 51, the mounting seat 82 is fixed on the main frame 11 and is used for transversely sliding the pulling piece 83 in the main frame, the pulling piece 83 is connected with the folding unlocking button 9 through a linkage piece and is transversely pulled to slide when the folding unlocking button 9 acts, the pulling piece 83 and the mounting seat 82 push the pulling piece 83 to the opposite side of the linkage piece through a spring, a sliding column 85 is arranged on the pulling piece 83, the lifting piece 84 is vertically and slidably connected on the mounting seat 82, a chute 841 for the sliding column 85 to slide in is arranged on the lifting piece 84, a locking piece 86 is fixed on the lifting piece 84, a locking groove 87 is arranged on the support 2, and is used for the locking piece 86 to be inserted downwards when the support 2 is unfolded so as to limit a locking groove 87 for the rotation of the support 2, the pulling piece 83 is pushed by a spring to push the pulling piece 83 to the opposite side of the linkage piece through the side of the pulling piece, the sliding column 85 is pushed by the sliding column 84 along the chute 84, and the sliding column 86 is pushed to slide the lifting piece 86 to slide the locking piece 86, and the locking piece 87 is released from the locking piece 2.

In an embodiment, an infant bed comprises an upper frame 1, the upper frame 1 includes a main frame 11 that is equipped with side port 10 on one side edge and can block the blocking rod 12 that keeps off side port 10, the bottom of main frame 11 and be located the both sides of side port 10 and be connected with support 2 respectively, be equipped with respectively between side port 10 both sides and two supports 2 and supply blocking rod 12 both ends to lead gliding sliding connection device 3 from top to bottom to and can lock blocking rod 12 in the blocking rod locking device 4 on sliding connection device 3 in upper and lower position, have structural stability good, can prevent tong or the meat that presss from both sides, use safe and reliable's characteristics.

Claims

1. An infant bed, characterized in that: the folding and unlocking device comprises an upper frame (1), wherein the bottom of the upper frame (1) is rotatably connected with a left bracket (2) and a right bracket (2) which can be rotated and folded relative to the bottom of the upper frame (1), a folding rotary joint (8) is arranged between the bracket (2) and the upper frame (1), after the bracket (2) is unfolded, the folding rotary joint (8) is used for locking the bracket (2) and the upper frame (1) relatively, and a folding and unlocking button (9) is arranged on the upper frame (1) and is used for unlocking the locking state between the folding rotary joint (8) and the bracket (2) and the upper frame (1);

The upper frame (1) comprises a main frame (11) with a side opening (10) on one side edge and a blocking rod (12) capable of blocking the side opening (10), the left bracket (2) and the right bracket (2) are respectively arranged on two sides of the side opening (10), sliding connecting devices (3) capable of guiding two ends of the blocking rod (12) to slide up and down and blocking rod locking devices (4) capable of locking the blocking rod (12) on the sliding connecting devices (3) in upper and lower positions are respectively arranged between the two sides of the side opening (10) and the two brackets (2);

The sliding connection device (3) comprises sliding rails arranged on two sides of the side opening (10), and two ends of the blocking rod (12) are respectively connected with the two sliding rails in a sliding manner;

The sliding rail comprises an upper sliding rail (31) fixed on the side opening end part (13) of the main frame (11) and a lower sliding rail (32) fixed on the bracket (2), the lower end of the upper sliding rail (31) is in butt joint communication with the upper end of the lower sliding rail (32), and the end part of the blocking rod (12) is correspondingly in sliding connection with the upper sliding rail (31) and the lower sliding rail (32);

The blocking rod locking device (4) comprises buckling holes (41) respectively formed in the sliding rail, two ends of the blocking rod (12) are respectively connected with a locking rod (42) which can extend out of the buckling holes (41) in a sliding mode, the blocking rod (12) and the locking rod (42) are elastically ejected outwards through elastic pieces, and blocking rod unlocking switches (43) used for driving the locking rod (42) and enabling the locking rod (42) to exit the buckling holes (41) are slidably arranged on the blocking rod (12).

2. An infant bed according to claim 1, wherein: both ends of the blocking rod (12) are provided with sliding tables (33), and the locking rod (42) can extend out of the sliding tables (33) and be inserted into the clamping holes (41).

3. An infant bed according to claim 1, wherein: the top of going up slide rail (31) is equipped with and is used for restricting the upper limit portion (34) that block pin (12) tip upwards slided, the bottom of lower slide rail (32) is equipped with and is used for restricting the lower limit portion (35) that block pin (12) tip slided downwards, when block pin (12) tip slides upper limit portion (34) or lower limit portion (35) department, block pin locking device (4) will block pin (12) tip locking.

4. A baby crib according to any one of claims 1 to 3, wherein: the support (2) comprises two foot rods (5) which are respectively and rotatably connected to a main frame (11), the lower parts of the two foot rods (5) are rotatably connected with an arc-shaped bottom rod (7) through a first rotating joint (6), and a swinging locking device which can lock the arc-shaped bottom rod (7) and the foot rods (5) with each other when the cambered surface convex surface of the arc-shaped bottom rod (7) rotates downwards is arranged on the first rotating joint (6).

5. An infant bed according to claim 4, wherein: the first rotary joint (6) comprises a fixed block (61) fixed with the foot rod (5) and a rotary block (62) fixed with the arc-shaped bottom rod (7), the fixed block (61) and the rotary block (62) are rotationally connected, the swing locking device comprises a deflector rod (63) slidingly connected with the rotary block (62), a limiting groove (64) for the deflector rod (63) to be inserted when the protruding cambered surface of the arc-shaped bottom rod (7) rotates downwards is formed in the fixed block (61), the limiting groove (64) is used for limiting the rotation of the fixed block (61) and the rotary block (62), and a compression spring (65) for ejecting the deflector rod (63) into the limiting groove (64) is arranged in front of the rotary block (62) and the deflector rod (63).

6. An infant bed according to claim 4, wherein: the foot rod (5) comprises an outer tube (51) and an inner tube (52) which are arranged up and down, the outer tube (51) is sleeved on the outer side of the inner tube (52) and can be used for the inner tube (52) to be pulled out downwards or retracted upwards, and a telescopic locking device which can lock the outer tube (51) and the inner tube (52) after the inner tube (52) is pulled out downwards is arranged between the outer tube (51) and the inner tube (52).

7. An infant bed according to claim 1, wherein: the folding unlocking button (9) is one and is connected with the left folding rotary joint (8) and the right folding rotary joint through a linkage piece.