CN216135531U

CN216135531U - Children's bed

Info

Publication number: CN216135531U
Application number: CN202121875793.3U
Authority: CN
Inventors: 刘伟; 刘赛
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-03-29
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses a children bed, which comprises a bed frame with an unfolding state and a folding state and a locking mechanism for locking the bed frame in the unfolding state, wherein in the unfolding state, the bed frame comprises: the bed frame comprises a plurality of groups of surrounding rod assemblies which are sequentially arranged along the circumferential direction, and each group of surrounding rod assemblies comprises two surrounding rods which are connected along the length direction and are rotatably arranged; the supporting seat is positioned above the bed surrounding frame; the support frame component comprises a plurality of support rods extending in the up-down direction, the upper portion of each support rod is rotatably connected to the support seat, a group of surrounding rod components are arranged between any two adjacent support rods, when the bedstead is in a folded state, all the support rods are mutually folded, the surrounding rod components are folded in along the length direction, and all the surrounding rods are extended in the up-down direction and are folded between the support rods. The bed frame of the children bed is simple in structure, small in size after being folded and convenient to store and transport.

Description

Children's bed

Technical Field

The utility model relates to a child bed.

Background

The existing partial crib is designed to be foldable in order to reduce the storage space, but most of the cribs have larger volume after being folded, which brings inconvenience to the user for storing and transporting the crib. Thus, it is the direction of effort of those skilled in the art to design and manufacture a child's bed that is compact in structure and small in volume after being folded.

Disclosure of Invention

The utility model aims to provide a novel child bed.

In order to achieve the purpose, the utility model adopts the technical scheme that: a child's bed comprising a frame having an expanded state and a folded state, and a locking mechanism to lock the frame in the expanded state, the frame comprising in the expanded state:

the bed enclosing frame comprises a plurality of groups of enclosing rod assemblies which are sequentially arranged along the circumferential direction, the number of the groups of the enclosing rod assemblies is more than three, and each group of the enclosing rod assemblies comprises two enclosing rods which are connected along the length direction and are rotatably arranged;

the supporting seat is positioned above the bed surrounding frame;

the supporting frame assembly comprises a plurality of supporting rods extending along the up-down direction, the number of the supporting rods is the same as that of the surrounding rod assemblies, the upper part of each supporting rod is rotatably connected to the supporting seat, a group of surrounding rod assemblies are arranged between any two adjacent supporting rods, wherein the end parts of the surrounding rods are rotatably connected to the supporting rods,

when the bedstead is in a folded state, all the support rods are mutually folded, all the surrounding rod assemblies are folded along the length direction, and all the surrounding rods are folded between the support rods in an up-and-down extending manner.

Preferably, the bed frame further comprises a sliding member disposed on the supporting seat in a vertically sliding manner, a connecting rod is rotatably disposed between each supporting rod and the sliding member, and the rotation center lines of two adjacent connecting rods and the sliding member are not parallel to each other.

Further, the supporting seat comprises a disc-shaped adapter and a guide rod extending downwards from the bottom of the adapter, the upper end of the supporting rod is connected to the adapter in a rotating mode at intervals along the circumferential direction, and the sliding piece can be arranged on the guide rod in a sliding mode along the length direction of the guide rod.

Further, the slider has a first position and a second position on the guide bar, the second position being above the first position, the slider being in the first position when the frame is in the expanded state; when the bed frame is in a folded state, the sliding part is in the second position, the connecting rod is folded between the supporting rod and the guide rod, and a first elastic part used for providing acting force required by the movement of the sliding part from the first position to the second position is further arranged between the sliding part and the guide rod.

Still further preferably, the locking mechanism includes a first locking mechanism for locking the sliding member in the first position, the first locking mechanism includes a first locking member slidably disposed on the support seat, a first lock hole disposed on the sliding member for the first locking member to be fittingly inserted, and a second elastic member for providing an acting force required for the first locking member to move toward the first lock hole, and when the first locking mechanism is in the locked state, the first locking member is fittingly inserted into the first lock hole.

As a preferred embodiment, the supporting frame assembly further comprises a bottom pole movably disposed at the lower side of the supporting pole, and the bottom pole is supported below the supporting pole when the bed frame is in the unfolded state; when the bedstead is in a folded state, the supporting rods and the bottom supporting rods are relatively folded along the length direction.

Further preferably, the bottom support rod and the support rod are telescopically arranged in a sliding manner along the length direction, the locking mechanism comprises a second locking mechanism for locking the support rod and the bottom support rod relatively, the second locking mechanism comprises a second locking member arranged on the upper portion of the bottom support rod in a sliding manner, and a second locking hole arranged on the lower portion of the support rod and used for the second locking member to be inserted in a matched manner, when the bedstead is in an unfolded state, the second locking member is inserted in the second locking hole in a matched manner, and when the bedstead is in a folded state, the second locking member is separated from the second locking hole.

Further preferably, an avoidance groove is formed in an end portion of the enclosing rod, the second locking member has an unlocking end portion which can be fittingly inserted into the avoidance groove, and when the second locking mechanism is in a locked state, the unlocking end portion is fittingly inserted into the avoidance groove; work as under second locking mechanical system is in the unblock state, the unblock tip is followed withdraw from in the dodging the groove, enclose the pole with still be equipped with between the second locking piece and be used for it is relative to enclose the pole order about when the bracing piece rotates the second locking piece is kept away from enclose the gliding unlocking structure of pole.

Still further preferably, the unblock structure is including locating unblock inclined plane on the unblock tip and forming dodge the drive inclined plane on the inside cell wall of groove, unblock inclined plane is followed the second locking piece is kept away from enclose the gliding direction of pole and extend upwards gradually, it is relative to enclose the pole bracing piece pivoted in-process, the drive inclined plane all the time with unblock inclined plane is mutually supported and is contacted.

In a preferred embodiment, the number of the support rods is four, and when the bed frame is in the unfolded state, the four support rods are obliquely extended from inside to outside downwards and are in an arc shape which is concave outwards;

and/or the lengths of the surrounding rods in any two adjacent groups of surrounding rod components are different;

and/or the surrounding rod assembly further comprises a limiting structure for limiting the maximum opening angle between the two surrounding rods, the limiting structure comprises an open slot arranged on the supporting rod, the opening of the open slot is upwards arranged and corresponds to the position of the surrounding rod, and when the bedstead is in an unfolded state, the surrounding rods are in butt joint with the open slot in a matched mode;

and/or the limiting structure comprises a limiting boss arranged on one end part of the enclosing rod, the limiting bosses of the two enclosing rods on the same group of enclosing rod assemblies are corresponding in position, and the two groups of limiting bosses are in butt joint in a matched manner when the bedstead is in an unfolded state.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the bed frame of the child bed is simple in structure, and the bed frame is small in size after being folded, so that the child bed is convenient to store and transport.

Drawings

FIG. 1 is a three-dimensional schematic view of a cot of the present invention in an unfolded state;

FIG. 2 is a front view of the cot of the present invention with the cot frame in an expanded state;

FIG. 3 is a schematic view of the lower side of the cot of the present invention with the cot frame in an unfolded state;

FIG. 4 is a schematic view in partial longitudinal section of the cot of the present invention in the position of the first locking mechanism, wherein the first locking mechanism is in a locked condition;

FIG. 5 is an exploded view of the present invention at the first locking mechanism in the cot;

FIG. 6 is a schematic view in partial longitudinal section of the cot of the present invention at the secondary locking mechanism, wherein the secondary locking mechanism is in a locked condition;

FIG. 7 is an exploded view of the child's bed of the present invention at the second locking mechanism;

FIG. 8 is an enlarged fragmentary schematic view of the cot of the present invention corresponding to position A in FIG. 2;

FIG. 9 is a front view schematically illustrating the conversion of the child's bed of the present invention from the unfolded state to the folded state;

FIG. 10 is a front view of the cot of the present invention with the cot frame in a collapsed condition;

wherein, 100, the bed frame;

1. a bed surrounding frame; 11. a surrounding rod; 12. an avoidance groove; 13. a limiting boss;

2. a supporting seat; 21. a transfer seat; 22. a guide bar; 22a, a guide hole;

3. a support frame assembly; 31. a support bar; 32. a bottom support bar; 33. assembling a seat; 33a, a sleeve joint part; 33b, open slots;

41. a slider (sliding sleeve); 42. a connecting rod; 43. a first elastic member; 44. a spacing pin;

5. an unlocking structure; 51. unlocking the inclined plane; 52. a drive ramp;

200. a locking mechanism;

201. a first locking mechanism; 201a, a first locking member; 201b, a first lock hole; 201c, a second elastic member; 201d, a first base; 201e, a first chute;

202. a second locking mechanism; 202a, a second locking member; 202a-1, unlocking the end; 202b, a second lock hole; 202c, a second base; 202d, a second chute; 202e, a third elastic member.

Detailed Description

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

A child's bed includes a frame 100 having an unfolded state and a folded state, and a locking mechanism 200 that locks the frame 100 in the unfolded state.

In the unfolded state, referring to fig. 1 to 3, the bed frame 100 includes a bed frame 1, a support base 2, and a support frame assembly 3. The bed surrounding frame 1 comprises a plurality of groups of surrounding rod assemblies which are sequentially arranged along the circumferential direction, the number of the groups of the surrounding rod assemblies is more than three, and each group of the surrounding rod assemblies comprises two surrounding rods 11 which are connected along the length direction and are rotatably arranged; the supporting seat 2 is positioned above the bed surrounding frame 1; the supporting frame component 3 comprises a plurality of supporting rods 31 extending in the up-down direction, the number of the supporting rods 31 is the same as the number of the groups of the surrounding rod components, the upper part of each supporting rod 31 is rotatably connected to the supporting seat 2, a group of surrounding rod components are arranged between any two adjacent supporting rods 31, and the end parts of the surrounding rods 11 are rotatably connected to the supporting rods 31. In the present embodiment, the rail assembly has four sets, and correspondingly, the support rods 31 have four sets. The lengths of the surrounding rods 11 in any two adjacent groups of surrounding rod assemblies are different, and the four supporting rods 31 are respectively inclined and extend from inside to outside and downwards and are respectively in an arc shape which is concave outwards. The support base 2 includes a disk-shaped adapter base 21, and the upper end of the support rod 31 is rotatably connected to the adapter base 21 at intervals in the circumferential direction. Between any two adjacent support rods 31, the two surrounding rods 11 each have an inner end portion rotatably connected to each other in the longitudinal extension direction thereof, and an outer end portion different from the inner end portion and rotatably connected to the support rod 31, and in the present embodiment, the outer end portions of the two surrounding rods 11 are each rotatably connected to the lower end portion of the support rod 31.

Referring to fig. 1 to 5, in the unfolded state, the bed frame 100 further includes a sliding member 41 slidably disposed on the supporting base 2 in the up-down direction, a connecting rod 42 is rotatably disposed between each supporting rod 31 and the sliding member 41, and the rotation center lines of two adjacent connecting rods 42 and the sliding member 41 are not parallel to each other. Specifically, the supporting seat 2 includes a guiding rod 22 extending downward from the bottom of the rotation seat 21, the guiding rod 22 extends in the up-down direction, the sliding member 41 is slidably disposed on the guiding rod 22 along the length direction of the guiding rod 22, and the sliding member 41 in this embodiment is a sliding sleeve slidably sleeved on the guiding rod 22 along the length direction of the guiding rod 22. The number of the links 42 is four, and one link 42 is rotatably provided between each support rod 31 and the slider 41.

The slider 41 has a first position and a second position on the guide bar 22, the second position being located above the first position, and when the frame 100 is in the expanded state, the slider 41 is in the first position; when the frame 100 is in the folded state, the slider 41 is in the second position.

Referring to fig. 4 and 5, the bed frame 100 further includes a first elastic member 43 disposed between the adapter 21 and the sliding member 41, and the first elastic member 43 provides a force required for the sliding member 41 to move from the first position to the second position. Specifically, the guide rod 22 in this embodiment is in a circular tube shape, and the upper end portion of the guide rod 22 is fixedly disposed at the bottom of the adapter 21. The peripheral side of the guide rod 22 is provided with a guide hole 22a extending along the length direction thereof, the bed frame 100 further comprises a limit pin 44 fittingly inserted in the guide hole 22a along the length direction of the guide hole 22a, and the first elastic member 43 is arranged in the lumen of the guide rod 22 along the length direction of the guide rod 22, wherein the upper end of the first elastic member 43 abuts against the bottom of the adapter 21, and the lower end of the first elastic member 43 abuts against the limit pin 44.

When the user pushes the sliding member 41 to slide upward, the sliding member 41 further drives the stopper pin 44, so that the stopper pin 44 slides upward along the length extending direction of the guide hole 22a, the first elastic member 43 is compressed to shorten the length, and the elastic force is accumulated. When the user stops pushing up the sliding member 41 and no longer applies a force to the sliding member 41, the first elastic member 43 extends in length and releases the elastic force, so as to drive the stopper pin 44 to slide downward along the length direction of the guide hole 22a, and the stopper pin 44 further slides the sliding member 41 downward.

The supporting frame assembly 3 further comprises a bottom supporting rod 32 movably disposed at the lower side of the supporting rod 31, specifically, in the embodiment, the bottom supporting rod 32 is telescopically disposed in the rod cavity of the supporting rod 31 in a sliding manner along the length extending direction of the supporting rod 31, and in the unfolded state, the bottom supporting rod 32 extends out of the rod cavity of the supporting rod 31 to the lower side of the supporting rod 31.

Referring to fig. 4 and 5, the locking mechanism 200 includes a first locking mechanism 201 for locking the sliding member 41 in the first position, and the first locking mechanism 201 includes a first locking member 201a slidably disposed on the guide bar 22, a first locking hole 201b disposed on the sliding member 41 for the first locking member 201a to be inserted, and a second elastic member 201c for providing a force required to move the first locking member 201a toward the first position. Specifically, the first locking mechanism 201 includes a first base 201d fittingly inserted into the lumen of the guide rod 22 from the bottom of the guide rod 22, a first sliding groove 201e extending along the radial direction of the guide rod 22 is provided on the first base 201d, the first locking member 201a is slidably fitted on the first sliding groove 201e along the length direction of the first sliding groove 201e, the second elastic member 201c is provided in the first sliding groove 201e, one end of the second elastic member 201c abuts against the first base 201d, and the other end of the second elastic member 201c abuts against the first locking member 201 a. When the first locking mechanism 201 is switched from the unlocked state to the locked state, the sliding member 41 slides to the first position, the first locking member 201a corresponds to the position of the first locking hole 201b, the second elastic member 201c releases the elastic force to drive the first locking member 201a to slide and extend outward along the length direction of the first sliding groove 201e, the first locking member 201a is fittingly inserted into the first locking hole 201b, and at this time, the first locking mechanism 201 completes locking. When the first locking mechanism 201 is switched from the locking state to the unlocking state, the first locking member 201a is pressed, so that the first locking member 201a slides inwards along the length direction of the first sliding groove 201e until the first locking member 201a is disengaged from the first locking hole 201b, and at this time, the first locking mechanism 201 is unlocked.

Referring to fig. 6 and 7, the locking mechanism 200 includes a second locking mechanism 202 for locking the support rod 31 and the bottom support rod 32 relative to each other, and the second locking mechanism 202 includes a second locking member 202a slidably disposed on an upper portion of the bottom support rod 32 and a second locking hole 202b disposed on a lower portion of the support rod 31 for cooperatively inserting the second locking member 202a in the unfolded state. Specifically, in the present embodiment, the second locking mechanism 202 includes a second base 202c fittingly inserted into the rod cavity of the bottom support rod 32 from the top of the bottom support rod 32, the second base 202c has a second sliding groove 202d extending in the left-right direction, and the second locking member 202a is slidably fitted on the second sliding groove 202d along the length direction of the second sliding groove 202 d. The second locking mechanism 202 further includes a third elastic member 202e disposed between the inner side wall of the bottom support rod 32 and the second locking member 202a, one end portion of the third elastic member 202e abuts against the second locking member 202a, and the other end portion of the third elastic member 202e abuts against the inner side wall of the bottom support rod 32. When the second locking mechanism 202 is locked, the third elastic element 202e releases the elastic force to drive the second locking element 202a to extend out of the bottom bar 32 and to be fittingly inserted into the second locking hole 202 b.

An avoidance groove 12 is formed in the outer end portion of the surrounding rod 11, the second locking member 202a has an unlocking end portion 202a-1 which can be fittingly inserted into the avoidance groove 12, and when the second locking mechanism 202 is in a locked state, the unlocking end portion 202a-1 is fittingly inserted into the avoidance groove 12; when the second locking mechanism 202 is in the unlocked state, the unlocking end 202a-1 is withdrawn from the escape groove 12.

An unlocking structure 5 for driving the second locking piece 202a to slide away from the surrounding rod 11 when the surrounding rod 11 rotates relative to the supporting rod 31 is further arranged between the surrounding rod 11 and the second locking piece 202 a. Specifically, the unlocking structure 5 includes an unlocking inclined surface 51 disposed on the unlocking end portion 202a-1, and a driving inclined surface 52 formed on an inner groove wall of the avoiding groove 12, the unlocking inclined surface 51 gradually extends upwards along a sliding direction of the second locking member 202a away from the surrounding rod 11, the driving inclined surface 52 is formed on an upper groove wall of the avoiding groove 12, the driving inclined surface 52 is always in mutual matching contact with the unlocking inclined surface 51 in a rotating process of the surrounding rod 11 relative to the support rod 31, the surrounding rod 11 drives the second locking member 202a to slide along the second sliding groove 202d towards the direction away from the surrounding rod 11 through interference between the driving inclined surface 52 and the unlocking inclined surface 51, and the unlocking end portion 202a-1 gradually disengages from the avoiding groove 12.

The surrounding rod assembly further comprises a limiting structure for limiting the maximum opening angle between the two surrounding rods 11, as shown in fig. 6 and 7, specifically, the supporting assembly 3 comprises an assembling seat 33 disposed at the lower end of the supporting rod 31, the assembling seat 33 is provided with a sleeve portion 33a penetrating in the up-down direction, and the sleeve portion 33a is used for fixedly sleeve the assembling seat 33 on the lower end of the supporting rod 31. The limiting structure comprises an opening groove 33b arranged on the assembling seat 33, the opening of the opening groove 33b is upwards arranged and corresponds to the position of the surrounding rod 11, and in the unfolding state, the rod body of the surrounding rod 11 is in butt joint with the opening groove 33b in a matching mode.

Referring to fig. 8, the limiting structure includes a limiting boss 13 disposed on one end of the surrounding rod 11, the positions of the limiting bosses 13 of the two surrounding rods 11 on the same group of surrounding rod assemblies correspond to each other, specifically, in this embodiment, two groups of limiting bosses 13 are respectively disposed on the upper sides of the respective inner ends of the two surrounding rods 11, and in the unfolded state, the two groups of limiting bosses 13 are in cooperative abutment.

The bed frame 100 is described in detail below in an unfolded state and a folded state:

when the bed frame 100 is in the unfolded state, referring to fig. 1 to 8, the four support rods 31 are mutually unfolded, the bottom support rod 32 extends to the lower part of the support rod 31, the two surrounding rods 11 on the same group of surrounding rod assemblies extend along the same length direction, and the four groups of surrounding rod assemblies surround to form a lying space for the child to lie. When the first locking mechanism 201 is in a locked state, the sliding member 41 is located at the first position, and the first locking member 401a is fittingly inserted into the first locking hole 201 b; when the second locking mechanism 202 is in the locked state, the second locking member 202a is fittingly inserted into the second locking hole 202b, and the unlocking end portion 202a-1 is fittingly inserted into the avoiding groove 12; the rod body of the surrounding rod 11 is in matched abutting connection in the opening groove 33b, and the two groups of limiting bosses 13 are in matched abutting connection with each other.

In the process of converting the bedstead 100 from the unfolded state to the folded state, referring to fig. 9, the first locking member 201a is pressed, so that the first locking member 201a slides inwards along the length direction of the first sliding groove 201e until the first locking member 201a is disengaged from the first locking hole 201b, and the first locking mechanism 201 is unlocked. After the first locking mechanism 201 is unlocked, the sliding member 41 is pushed upwards, so that the sliding member 41 slides upwards along the length direction of the guide rod 22, and through the transmission of the connecting rod 42, the upwards sliding of the sliding member 41 causes all the support rods 31 to rotate inwards around the respective rotating connection positions between the support rods and the adapter 21, and the four support rods 31 are mutually folded; synchronously, all the surrounding rods 11 rotate upwards around the respective rotating joints with the supporting rods 31, and the surrounding rods 11 and the supporting rods 31 are gradually and relatively folded. In the relative folding process between the surrounding rod 11 and the supporting rod 31, the driving inclined surface 52 is always in mutual matching contact with the unlocking inclined surface 51, the surrounding rod 11 drives the second locking member 202a to slide along the second sliding groove 202d towards the direction far away from the surrounding rod 11 through the interference of the driving inclined surface 52 and the unlocking inclined surface 51, and the unlocking end 202a-1 is gradually separated from the avoiding groove 12.

When the bed frame 100 is in the folded state, referring to fig. 10, the four support rods 31 are folded with each other, all the rail assemblies are folded along the length direction, and all the rails 11 are folded between the support rods 31 in an up-and-down extending manner. The second locking mechanism 202 is unlocked, the unlocking end portion 202a-1 is disengaged from the escape groove 12, and the second locking member 202a is disengaged from the second locking hole 202 b. The bottom strut 32 is stowed within the rod cavity of the support rod 31. At this time, the bed frame 100 is significantly reduced in size in the circumferential direction as compared to before folding, and is also significantly reduced in height in the up-down direction as compared to before folding.

In summary, the bed frame 100 of the children's bed of the present invention has a simple structure, and the volume of the bed frame 100 after being folded is small, so as to facilitate storage and transportation.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to 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 within the protection scope of the present invention.

Claims

1. A child's bed comprising a frame having an expanded state and a folded state, and a locking mechanism to lock the frame in the expanded state, characterized in that: in the unfolded state, the frame comprises:

the supporting seat is positioned above the bed surrounding frame;

2. Child's bed according to claim 1, characterized in that: the bedstead also comprises sliding parts which are arranged on the supporting seat in a sliding way along the up-down direction, a connecting rod is rotationally arranged between each supporting rod and each sliding part, and the rotating center lines of two adjacent connecting rods and the sliding parts are not parallel to each other.

3. Child's bed according to claim 2, characterized in that: the supporting seat comprises a disc-shaped adapter and a guide rod extending downwards from the bottom of the adapter, the upper end of the supporting rod is connected to the adapter in a rotating mode at intervals along the circumferential direction, and the sliding piece can be arranged on the guide rod in a sliding mode along the length direction of the guide rod.

4. Child's bed according to claim 3, characterized in that: the sliding member has a first position and a second position on the guide bar, the second position is above the first position, and when the frame is in the unfolded state, the sliding member is in the first position; when the bed frame is in a folded state, the sliding part is in the second position, the connecting rod is folded between the supporting rod and the guide rod, and a first elastic part used for providing acting force required by the movement of the sliding part from the first position to the second position is further arranged between the sliding part and the guide rod.

5. Child's bed according to claim 4, characterized in that: the locking mechanism comprises a first locking mechanism used for locking the sliding part under the first position, the first locking mechanism comprises a first locking part arranged on the supporting seat in a sliding mode, a first locking hole arranged on the sliding part and used for the first locking part to be inserted in a matched mode, and a second elastic part used for providing acting force required by the first locking part to move towards the first locking hole, and when the first locking mechanism is in a locking state, the first locking part is inserted in the first locking hole in a matched mode.

6. Child's bed according to any one of claims 1-5, characterized in that: the support frame assembly also comprises a bottom support rod movably arranged on the lower side of the support rod, and when the bedstead is in an unfolded state, the bottom support rod is supported below the support rod; when the bedstead is in a folded state, the supporting rods and the bottom supporting rods are relatively folded along the length direction.

7. Child's bed according to claim 6, characterized in that: the bottom support rod and the support rod are arranged in a sliding and telescopic mode along the length direction, the locking mechanism comprises a second locking mechanism used for enabling the support rod and the bottom support rod to be locked relatively, the second locking mechanism comprises a second locking piece arranged on the upper portion of the bottom support rod in a sliding mode, and a second locking hole arranged on the lower portion of the support rod and used for the second locking piece to be inserted in a matched mode, when the bedstead is in an unfolded state, the second locking piece is inserted in the second locking hole in a matched mode, and when the bedstead is in a folded state, the second locking piece is separated from the second locking hole.

8. Child's bed according to claim 7, characterized in that: an avoidance groove is formed in the end portion of the enclosing rod, the second locking piece is provided with an unlocking end portion which can be inserted into the avoidance groove in a matched mode, and when the second locking mechanism is in a locking state, the unlocking end portion is inserted into the avoidance groove in a matched mode; work as under second locking mechanical system is in the unblock state, the unblock tip is followed withdraw from in the dodging the groove, enclose the pole with still be equipped with between the second locking piece and be used for it is relative to enclose the pole order about when the bracing piece rotates the second locking piece is kept away from enclose the gliding unlocking structure of pole.

9. Child's bed according to claim 8, characterized in that: the unlocking structure is including locating unblock inclined plane and formation on the unblock tip are in dodge the drive inclined plane on the inside cell wall of groove, unblock inclined plane is followed the second locking piece is kept away from the gliding direction of rail extends with inclining gradually, the rail is relative bracing piece pivoted in-process, the drive inclined plane all the time with unblock inclined plane is mutually supported and is contacted.

10. Child's bed according to any one of claims 1-5, 7-9, characterized in that: the four supporting rods are all in an arc shape which is concave outwards and extends obliquely inwards and outwards downwards when the bedstead is in an unfolded state;