CN215959156U - Foldable children bed frame and foldable children bed - Google Patents

Abstract

The utility model discloses a foldable children bed frame, which at least has an unfolding state and a folding state and comprises an upper frame, a plurality of groups of side brackets, an underframe and a linkage assembly, wherein the side brackets are arranged on the upper frame; when in the unfolding state, the side brackets are unfolded towards the direction away from the center by the bottom frame; when the foldable children bed frame is in a folded state, the bottom frame is folded towards the center and drives the lower ends of the side brackets to move towards the center of the lower part, and the upper ends of the side brackets drive the top corner assemblies and the upper frame rod assemblies to move towards the center of the upper part through the linkage assemblies, so that the whole foldable children bed frame is folded. The utility model also discloses a folding bed for children. The folding device has the advantages of convenience in folding, stable and safe folding process, capability of avoiding damage to the flexible woven fabric as much as possible and prolonging the service life.

Description

Foldable children bed frame and foldable children bed

Technical Field

The utility model relates to the technical field of folding beds, in particular to a foldable children bed frame and a children folding bed.

Background

The existing folding bed for babies has complex operation and excessive operation steps due to the structure during the folding process.

Chinese patent application No. CN200941953Y discloses a foldable baby bed frame, which can be folded quickly by one key. But due to structural irrationality. As shown in fig. 6, during the folding process, the folding process is not stable enough, occupies a large volume, and has sharp corners protruding outward rapidly. After long-term use, the flexible fabric coated outside the folding bed frame is easy to break, and the flexible fabric is easy to impact or scratch to operators in the folding process, so that the use is inconvenient.

Therefore, there is a need to design a foldable child bed frame and a foldable child bed that are convenient to fold, stable and safe in folding process, and capable of avoiding damage to the flexible fabric and prolonging the service life as much as possible.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a foldable child bed frame and a foldable child bed which are convenient to fold and stable in folding process.

The utility model provides a foldable children bed frame, which at least has an unfolding state and a folding state and comprises an upper frame, a plurality of groups of side brackets, an underframe and a linkage assembly;

the upper frame includes: the upper frame rod assemblies are sequentially connected end to end through the top corner assemblies;

the bottom frame is connected with a plurality of groups of side brackets;

the linkage assembly is arranged between any top corner assembly and the upper frame rod assembly and the side bracket which are connected with the top corner assembly;

in the unfolding state, the upper frame rod assembly encloses a fixed polygonal frame, and the underframe unfolds the side supports towards the direction away from the center;

when the foldable child bed frame is in the folded state, the bottom frame is folded towards the center and drives the lower ends of the side brackets to move towards the center of the lower part, and the upper ends of the side brackets drive the top corner assemblies and the upper frame rod assemblies to move towards the center of the upper part through the linkage assemblies, so that the whole foldable child bed frame is folded.

Further, each set of side brackets includes: the lower ends of the two side rod pieces are connected with the two side rod pieces through the bottom angle assembly, the upper ends of the two side rod pieces are respectively movably connected with the two adjacent top angle assemblies, the middle parts of the side rod pieces are connected with the linkage assembly, and the bottom angle assembly is hinged with the bottom frame;

when the foldable frame is in the unfolded state, each group of side brackets and the upper frame rod assembly opposite to the side brackets form a fixed inverted isosceles triangle frame together, the base angle assembly is located at the vertex angle of the isosceles triangle frame, the linkage assembly is located in the plane where the isosceles triangle frame is located, and the base frame enables the base angle assembly to be unfolded towards the direction away from the center.

Furthermore, each upper frame rod assembly comprises two branch rods connected through a shoulder assembly, the two branch rods can be switched between a folding state and an unfolding state, and the linkage assembly is connected among the branch rods, the side rod members and the top angle assembly;

in the unfolding state, the two branch rods are positioned on the same horizontal straight line;

in the collapsed state, the shoulder assembly moves downward in a vertical direction relative to the spreader bar.

Furthermore, the linkage assembly comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a guide column; the guide post sets up wantonly on the apex angle subassembly to can follow vertical direction lift, first connecting rod second connecting rod one end respectively with the lift end of guide post is articulated, first connecting rod the middle section of second connecting rod respectively with two that the apex angle subassembly links to each other side lever spare is articulated, first connecting rod the other end of second connecting rod respectively with the third connecting rod the one end of fourth connecting rod is articulated, the third connecting rod the other end of fourth connecting rod respectively with two that link to each other on the apex angle subassembly divide the pole to articulate mutually.

Furthermore, the linkage assembly comprises a first connecting rod, a third connecting rod and a guide post, the guide post is arranged on any vertex angle assembly and can lift along the vertical direction, one end of the first connecting rod is hinged to the side rod piece, the other end of the first connecting rod is hinged to the third connecting rod, and the other end of the third connecting rod is hinged to the branch rod which is adjacent to the side rod piece and connected to the vertex angle assembly.

Further, when the foldable device is in the folded state, the hinged part of the first connecting rod and the third connecting rod is folded upwards along the vertical direction, the hinged part of the second connecting rod and the fourth connecting rod is folded upwards along the vertical direction, and the included angle between the first connecting rod and the guide post and the included angle between the second connecting rod and the guide post are reduced.

Further, the chassis includes: the bottom corner component comprises a plurality of bottom rod pieces and an unlocking piece, wherein one ends of the bottom rod pieces are respectively connected with the unlocking piece, and the other ends of the bottom rod pieces are connected with the bottom corner component;

in the unfolding state, the unlocking piece is positioned at a locking position, and the bottom corner assemblies are unfolded towards the direction away from the center by the bottom rod pieces;

when the folding state is achieved, the unlocking piece is located at the unlocking position, and after the unlocking piece is pulled upwards, the unlocking piece drives the bottom rod piece to rotate relative to the unlocking piece and drive the bottom angle assembly to move towards the center.

The chassis further comprises a base and a pull ring, the unlocking piece is arranged in the base, the pull ring is arranged on the upper surface of the base, and the base is hinged with one end of the bottom rod piece;

when the pull ring is pulled upwards, the pull ring drives the base to move upwards, the base drives the bottom rod pieces to turn upwards, and the bottom rod pieces drive the bottom corner assemblies to move towards the center.

The utility model also provides a foldable children bed, which comprises flexible woven fabric and the foldable children bed frame, wherein the flexible woven fabric is at least partially sleeved outside the foldable children bed frame.

Furthermore, the flexible fabric comprises an upper layer cloth pocket and a lower layer cloth pocket, the upper layer cloth pocket is sleeved outside the upper frame rod component and the linkage component, and the lower layer cloth pocket is hung on the inner sides of the side rod components and the bottom corner component.

After adopting above-mentioned technical scheme, have following beneficial effect:

the foldable children bed frame in one embodiment of the utility model is convenient to fold and has a more stable folding process.

In another embodiment of the folding bed for children of the present invention, no convex sharp corner structure is generated during folding, so as to reduce the abrasion to the flexible fabric and prolong the service life of the folding bed for children.

Drawings

The disclosure of the present invention will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present disclosure. In the figure:

FIG. 1 is an expanded view of a foldable bed frame according to an embodiment of the present invention;

FIG. 2 is an expanded view of another perspective of the foldable bed frame according to an embodiment of the present invention;

FIG. 3 is an expanded view of the folding bed according to one embodiment of the present invention;

fig. 4 is a state diagram illustrating a folding process of the foldable bed frame according to an embodiment of the present invention;

FIG. 5 is a folded state view of the foldable bed frame according to the embodiment of the present invention;

fig. 6 is a schematic view illustrating a folding process of a foldable infant bed frame according to the related art.

Reference numbers of FIGS. 1-5 are in reference tables:

an upper frame 1: upper frame bar assembly 11, top corner assembly 12, shoulder assembly 111, and spreader bar 112;

side bracket 2: a bottom corner assembly 21, side bar members 22;

chassis 3: the bottom rod piece 31, the unlocking piece 32, the base 33, the pull ring 34, the clamping groove 331 and the auxiliary clamping groove 332;

linkage assembly 4: a first link 41, a second link 42, a third link 43, a fourth link 44, and a guide post 45.

Part of the reference table of fig. 6:

connecting piece 31 ', rod piece 22 ' and rod piece 23 '.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings.

It is easily understood that according to the technical solution of the present invention, those skilled in the art can substitute various structures and implementation manners without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical solutions of the present invention, and should not be construed as being all of the present invention or as defining or limiting the technical solutions of the present invention.

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.

The first embodiment is as follows:

as shown in fig. 1, the foldable children bed frame at least has an unfolding state and a folding state, and comprises an upper frame 1, a plurality of side brackets 2, a bottom frame 3 and a linkage assembly 4;

the upper frame 1 includes: the upper frame rod assemblies 11 are connected with the top corner assemblies 12 end to end in sequence;

the bottom frame 3 is connected with a plurality of groups of side brackets 2;

the linkage assembly 4 is arranged between any top corner assembly 12 and the upper frame rod assembly 11 and the side bracket 2 connected with the top corner assembly;

in the unfolding state, the upper frame rod assembly 11 encloses a fixed polygonal frame, and the side bracket 2 is unfolded towards the direction away from the center by the underframe 3;

when the foldable children bed frame is in a folded state, the underframe 3 is folded towards the center and drives the lower ends of the side brackets 2 to move towards the lower center, and the upper ends of the side brackets 2 drive the top angle component 12 and the upper frame rod component 11 to move towards the upper center through the linkage component 4, so that the whole foldable children bed frame is folded.

Specifically, the upper frame 1 is located on the upper portion of the foldable children's bed frame, and four sets of upper frame bar assemblies 11 are provided. In the unfolded state, as shown in fig. 1, the four sets of upper frame rod assemblies 11 are located on the same horizontal plane, and enclose a rectangular frame structure. The adjacent upper frame rod assemblies 11 are connected through top corner assemblies 12, and the top corner assemblies 12 are located at four corners of the rectangular frame structure. In the collapsed state, as shown in fig. 5, the four corner assemblies 12 are folded together, and the four sets of upper frame bar assemblies 11 are collapsed in the vertical direction.

In the present embodiment, as shown in fig. 1, each set of side brackets 2 includes: the lower ends of the two side rod pieces 22 are connected through the bottom angle component 21, the upper ends of the two side rod pieces 22 are movably connected with the two adjacent top angle components 12 respectively, the middle parts of the side rod pieces 22 are connected with the linkage component 4, and the bottom angle component 21 is hinged with the bottom frame 3;

when the foldable bicycle is in an unfolded state, each group of side brackets 2 and the upper frame rod assemblies 11 opposite to the side brackets form a fixed inverted isosceles triangle frame together, the bottom angle assemblies 21 are located at the vertex angles of the isosceles triangle frame, the linkage assemblies 4 are located in the plane where the isosceles triangle frame is located, and the bottom frame 3 unfolds the bottom angle assemblies 21 towards the direction far away from the center;

when in a folding state, the underframe 3 is folded towards the center and drives the bottom corner component 21 to move towards the center, the bottom corner component 21 drives the lower end of the side rod member 22 to move towards the center of the lower part, and the upper end of the side connecting rod 22 drives the top corner component 21 and the upper frame rod component 11 to move towards the center of the upper part through the linkage component 4.

In the deployed state, the side bar members 22 lie in a vertical plane, as shown in figure 2. A bottom corner module 21 corresponds longitudinally to the middle of each upper frame bar module 11 and two side bar members 22 extend obliquely upwardly from the bottom corner module 21 along the longitudinal plane and are connected to the two top corner modules 12, respectively. Each set of side frame 2 and the upper frame bar assembly 11 opposite thereto together form a fixed inverted isosceles triangle frame, the base angle assembly 21 is located at the top angle of the isosceles triangle frame, and the isosceles triangle frame forms a stable supporting structure, so that the expanded bed frame is more stable. Four bottom corner assemblies 21 are used to contact the ground to support the entire bed frame.

As shown in fig. 1, the bottom frame 3 is also in contact with the ground in the unfolded state, and plays a certain supporting role. The underframe 3 is positioned at the bottom of the bed frame and is connected with four bottom corner assemblies 21, the four bottom corner assemblies 21 are positioned at four directions of the outer side of the underframe 3, the underframe 3 is connected with the bottom corner assemblies 21, and in an unfolding state, the underframe 3 pushes and unfolds the four bottom corner assemblies 21 towards the direction away from the center. As shown in fig. 4, in the collapsed state, the bottom frame 3 drives the bottom corner assembly 21 to move toward the center.

As shown in fig. 1, the interlocking member 4 is provided between any of the corner members 12 and the upper frame bar member 11 and the side frame 2 connected thereto. In the folding process, the side bar component 22 drives the top corner component 12 and the upper frame bar component 11 to move towards the center through the linkage component 4 and fold, and the linkage component 4 plays a role in driving and folding; meanwhile, in the folding process, the linkage assembly 4 is connected with the top corner assembly 12, the upper frame rod assembly 11 and the side rod assembly 22 at the same time, so that the effect of stabilizing the folding process is achieved, and the shaking in the folding process is reduced.

Compared with the prior art, as shown in fig. 6, the connecting member 31 ' is only connected with the rod members 22 ' and 23 ', so that the stability is poor, and the connecting member is easy to shake during folding.

As shown in fig. 4, in the folding process of this embodiment, the bottom frame 3 is lifted up, the bottom frame 3 drives the four bottom corner assemblies 21 to move together toward the center along the lateral direction, the four bottom corner assemblies 21 drive the eight side bar members 22 to move together toward the center along the lateral direction, the side bar members 22 drive the four top corner assemblies 12 to move together toward the center along the lateral direction through the linking assembly 4, and simultaneously drive the upper frame bar assembly 11 to fold.

Alternatively, the upper frame bar assemblies 11 are not limited to four sets, but may be three sets, five sets, or more sets, when the upper frame bar assemblies 11 are in the unfolded state, a triangular frame structure or a pentagonal frame structure can be formed, and the side brackets 2 and the linkage assemblies 4 include corresponding numbers.

Further, each upper frame bar assembly 11 comprises two branch bars 112 connected by a shoulder assembly 111, and the two branch bars 112 can be switched between a folded state and an unfolded state, and the linkage assembly 4 is connected among the branch bars 112, the side bar members 22 and the top corner assembly 12;

in the unfolded state, the two branch rods 112 are positioned on the same horizontal straight line;

in the collapsed state, the shoulder assembly 111 moves downward in the vertical direction relative to the minute bar 112.

Specifically, as shown in fig. 4, in the folding process of the upper frame rod assembly 11, the linkage assembly 4 drives the two branch rods 112 to fold downward along the vertical direction, and meanwhile, the upper frame rod assembly 11 is driven by the top angle assembly 12 to fold toward the center. Throughout the collapsing process of the upper frame bar assembly 11, no convex pointed structure is formed outwardly or inwardly.

As shown in fig. 3, when the bed frame is wrapped with the flexible woven cloth 6, during the folding process, the upper frame rod assembly 11 is only folded downwards along the longitudinal direction relative to the flexible woven cloth 6, and the flexible woven cloth 6 on the outer layer is not scratched or abraded.

In the expanded state of fig. 3, the flexible fabric 6 is stretched by the frame. As the top corner assemblies 12 move towards the center, the flexible woven fabric 6 is loosened and gathered together, and when the upper frame rod assemblies 11 are longitudinally and downwardly gathered, the flexible woven fabric 6 is not easily damaged.

As shown in fig. 5, in the folded state of the foldable bed frame, the foldable bed frame is folded to the minimum size, the four top corner assemblies 12 are closed together, the eight side members 22 are also closed together, the four bottom corner assemblies 21 are folded inward, the bottom frame 3 is raised to the inner sides of the side members 22, the upper frame member 11 is folded downward and positioned between the side members 22, and the whole bed frame is folded into a vertical column along the longitudinal direction.

In the child bed frame in the embodiment, the upper frame rod assembly 11 is folded downwards along the vertical direction in the folding process, so that a convex sharp-corner structure is not generated in the folding process, the flexible woven fabric 6 is not abraded, and the service life of the flexible woven fabric is prolonged.

Alternatively, shoulder assembly 111 may be made of plastic, with some structural strength. In the unfolded state, the shoulder assembly 111 is used to connect and support the branch rods 112, so that the branch rods 112 are kept in a state of extending in the transverse direction, and the flexible woven cloth 6 is tightened.

In the folded position, as shown in figure 5, the shoulder members 111 move downwardly, the inner ends of the two sub-rods 112 move downwardly together and the outer ends move centrally with the top corner members 12. During the downward movement of the shoulder assembly 111 in the longitudinal direction, even if there is friction with the flexible fabric 6, the flexible fabric 6 is not easily worn due to the smooth surface of the plastic.

Further, the linkage assembly 4 comprises a first link 41, a second link 42, a third link 43, a fourth link 44 and a guide post 45; guide post 45 sets up on arbitrary apex angle subassembly 12 to can go up and down along vertical direction, first connecting rod 41, second connecting rod 42 one end is articulated with guide post 45 lift end respectively, first connecting rod 41, the middle section of second connecting rod 42 is articulated with two side member pieces 22 that apex angle subassembly 12 links to each other respectively, the other end of first connecting rod 41, second connecting rod 42 is articulated with the one end of third connecting rod 43, fourth connecting rod 44 respectively, the other end of third connecting rod 43, fourth connecting rod 44 is articulated with two branch poles 112 that link to each other on apex angle subassembly 12 respectively.

Specifically, as shown in fig. 1-2, the linkage assembly 4 includes a first link 41, a second link 42, a third link 43, a fourth link 44 and a guide post 45;

the guide posts 45 are arranged longitudinally, the upper ends of the guide posts 45 are fixedly connected with the top corner assemblies 12, and the lower ends of the guide posts 45 are hinged with one ends of the first connecting rod 41 and the second connecting rod 42;

the other end of the first connecting rod 41 is hinged with one end of a third connecting rod 43, and the other end of the third connecting rod 43 is hinged with a branch rod 112;

the other end of the second connecting rod 42 is hinged with one end of a fourth connecting rod 44, and the other end of the fourth connecting rod 44 is hinged with the other branch rod 112;

the middle parts of the first link 41 and the second link 42 are respectively hinged with the two side rod members 22.

Optionally, the top corner module 12 is made of plastic and is in a smooth right-angle shape, the inner wall of the top corner module 12 is hinged with the branch rods 112 and the side rod pieces 22 and is also fixedly connected with the guide posts 45, and the outer wall is smooth and plays a role in collision prevention.

As shown in fig. 1-2, when the top corner module 12 is in the unfolded state, the guide post 45 extends downwards along the longitudinal direction, the left side of the guide post 45 is connected with the first link 41 and the third link 43, the right side of the guide post 45 is connected with the second link 42 and the fourth link 44, the first link 41 is connected with the left side rod 22, the second link 42 is connected with the right side rod 22, the third link 43 is connected with the left side branch rod 112, and the fourth link 44 is connected with the right side branch rod 112.

When the foldable bicycle is unfolded, the linkage assembly 4 is positioned on two longitudinal planes, the first connecting rod 41 and the third connecting rod 43 are positioned on the longitudinal plane where the isosceles triangle frame formed by the two side rod pieces 22 on the left side is positioned, the first connecting rod 41, the third connecting rod 43, the guide post 45 and the branch rod 112 approximately enclose a triangular structure, and the triangular structure is connected with the side rod pieces 22 and is divided into two triangular structures; the third connecting rod 43 and the fourth connecting rod 44 are located on the longitudinal plane of the isosceles triangle frame formed by the two right side rod pieces 22, and the third connecting rod 43, the fourth connecting rod 44, the guide post 45 and the branch rod 112 approximately enclose a triangle structure which is connected with the side rod pieces 22 and is also divided into two triangle structures. The linkage assembly 4 supports the side rod members 22 and the branch rods 112 on the two sides, so that the unfolded structure is more stable, is not easy to deform and collapse, and is more stable in the folding process.

As shown in fig. 4, in the folding process, since the guiding column 45 is always along the longitudinal direction, the first connecting rod 41 and the third connecting rod 43 are folded on the longitudinal plane where the left side rod 22 is located, and the third connecting rod 43 and the fourth connecting rod 44 are folded on the longitudinal plane where the right side rod 22 is located, so that they do not protrude outwards, thereby avoiding abrasion to the flexible woven fabric 6, and avoiding inconvenience of folding operation caused by collision with an operator in the folding process.

Further, as shown in fig. 5, in the folded state, the hinge joint of the first link 41 and the third link 43 is folded upwards along the longitudinal direction, the hinge joint of the second link 42 and the fourth link 44 is folded upwards along the longitudinal direction, and the included angle between the first link 41 and the second link 42 and the guide post 45 is reduced, so that the folded volume is smaller.

Further, as shown in fig. 1, the first link 41 and the second link 42 are bent rods, and the side bar member 22 is hinged to the bent portions of the first link 41 and the second link 42.

Alternatively, the linkage assembly 4 may also only include the first link 41, the third link 43 and the guide pillar 45, the guide pillar 45 is disposed on any top corner module 12 and can be lifted and lowered along the vertical direction, one end of the first link 41 is hinged to the side bar 22, the other end is hinged to the third link 43, and the other end of the third link 43 is hinged to the branch rod 112 adjacent to the side bar 22 and connected to the top corner module 12. Namely, the linkage assembly 4 can only connect the branch rod 112 and the side rod 22 on one side, and the branch rod 112 and the side rod 22 on the other side can be folded under the driving of the top corner assembly 12.

Further, the chassis 3 includes a plurality of bottom rod members 31 and an unlocking member 32, one end of each of the plurality of bottom rod members 31 is connected to the unlocking member 32, and the other end of each of the plurality of bottom rod members 31 is connected to the bottom corner assembly 21;

in the unfolded state, the unlocking piece 32 is located at the locking position, and the bottom rod pieces 31 unfold the bottom corner component 21 in the direction away from the center;

when the foldable table is in the folded state, the unlocking member 32 is located at the unlocking position, and after the unlocking member 32 is pulled upwards, the unlocking member 32 drives the bottom rod member 31 to rotate relative to the unlocking member 32 and drives the bottom angle assembly 21 to move towards the center.

Specifically, as shown in fig. 1, four bottom rod members 31 are provided, the outer ends of the four bottom rod members 31 are connected to the four bottom corner assemblies 21, respectively, and the unlocking member 32 is connected to the inner ends of the four bottom rod members 31.

In the unfolded state, the four bottom bar members 31 extend in the horizontal direction and push the bottom corner assemblies 21 away from the center;

in the folded state, the unlocking member 32 moves upward to drive the inner end of the bottom rod member 31 to rotate upward, and the outer end of the bottom rod member 31 drives the four bottom corner assemblies 21 to move toward the center.

Further, as shown in fig. 1, the chassis 3 further includes a base 33 and a pull ring 34, the unlocking member 32 is disposed in the base 33, the pull ring 34 is mounted on an upper surface of the base 33, and the base 33 is hinged to one end of the bottom rod member 31;

when the pull ring 34 is pulled upwards, the pull ring 34 drives the base 33 to move upwards, the base 33 drives the bottom rod pieces 31 to turn upwards, and the bottom rod pieces 31 drive the bottom corner assemblies 21 to move towards the center.

Specifically, the pull ring 34 is located at the top of the base 33, four locking slots 331 extend from the side of the base 33 toward four directions, the four locking slots 331 are connected to four bottom rods 31, and the bottom rods 31 are connected to the bottom corner assembly 21.

As shown in fig. 1, when the base 33 contacts the ground, the clamping groove 331 pushes the bottom rod 31 to extend laterally and limit at the position, the bottom rod 31 pushes the bottom corner assemblies 21 to the farthest position, so that the four bottom corner assemblies 21 are spread, the bottom corner assemblies 21 drive the side rod 22, the side rod 22 drives the top corner assemblies 12 to move to the farthest four corners through the linkage assembly 4, and simultaneously drives the upper frame 1 to spread, thereby achieving the complete unfolding of the bed frame.

When folding is needed, a user manually pulls the middle pull ring 34, the pull ring 34 drives the base 33 to lift upwards, the base 33 drives the inner end of the bottom rod member 31 to move upwards, and the outer end of the bottom rod member 31 drives the four support legs 2 to move towards the center, so that the folding of the whole folding bed frame is realized.

During the folding process, the bottom rod 31 rotates relative to the base 33 and the bottom corner component 21, and the locking slot 331 does not limit the rotation of the bottom rod 31.

Preferably, an auxiliary support rod (not shown) is further included, and the inner end of the auxiliary support rod is hinged with the base 33;

when the auxiliary supporting rod is in an unfolded state, the outer end of the auxiliary supporting rod is in contact with the ground;

when the folding state is achieved, the inner end of the auxiliary support rod is driven by the base 33 to move upwards.

As shown in fig. 1, four auxiliary locking slots 332 extend from the side surface of the base 33, the auxiliary locking slots 332 are hinged to the inner ends of the auxiliary supporting rods, and the outer ends of the auxiliary supporting rods contact with the ground when in the unfolded state for assisting in supporting the foldable bed frame.

When the folding state is achieved, the inner end of the auxiliary supporting rod is driven by the base 33 to move upwards, and the outer end of the auxiliary supporting rod is suspended and lifted.

The foldable child bed frame in the embodiment can be folded in one key mode, rapid folding operation is achieved, and due to the fact that the linkage assembly is connected with the top angle assembly, the side rod piece and the branch rod, the folding process is more stable. And because the linkage assembly and the upper frame rod assembly are folded along the vertical direction in the folding process, an outward or inward sharp-angle structure cannot be generated, the damage of the flexible woven fabric and the inconvenience in the operation process of a user are avoided, and the service life is prolonged.

Example two:

as shown in fig. 3, the folding bed includes a flexible fabric 6, and further includes a foldable bed frame according to the first embodiment and the modification thereof, wherein the flexible fabric 6 is at least partially sleeved on the foldable bed frame for children.

When the bed is unfolded, the flexible fabric 6 is tightened by the foldable children bed frame to form a bib for the baby to lie.

Further, as shown in fig. 3, the flexible fabric 6 includes an upper layer cloth pocket 61 and a lower layer cloth pocket 62, the upper layer cloth pocket 61 is sleeved outside the upper frame rod assembly 11 and the linkage assembly 4, and the lower layer cloth pocket 62 is suspended inside the plurality of side rods 22 and the bottom corner assembly 21.

The bib is divided into two layers by the flexible fabric 6, the upper layer cloth bag 61 is used for a baby to lie down, and the lower layer cloth bag 62 can be used for placing baby products. The upper cloth bag 61 and the lower cloth bag 62 can be communicated with each other to form a game bed mode.

The top corner module 12 is made of plastic and serves as an impact prevention and also serves as the upper frame bar module 11 and the side bracket 2. The upper cloth pocket 61 hides the upper frame rod assembly 11, the upper half section of the side rod member 22 and the linkage assembly 4 inside, so that the appearance is attractive, and the infant is prevented from being bruised.

The lower half of the side rod 22 penetrates through the upper cloth pocket 61, is positioned outside the lower cloth pocket 62, and is connected with the bottom corner assembly 21.

When lower floor's cloth pocket 62 expanded state, the suspension is in the top of base angle 3, and the base 33 of base angle 3 has played the effect of support to lower floor's cloth pocket 62, and the user operation of being convenient for can penetrate lower floor's cloth pocket 62 in pull ring 34.

In this embodiment, when the upper frame rod assembly 11 is folded down in the longitudinal direction, the flexible fabric of the upper cloth bag 61 is not tightened, and the shoulder assembly 111 is not easily worn. Similarly, the linking component 4 is folded along the longitudinal direction during the folding process, so that the flexible woven fabric is not easily abraded.

Whole children's folding bed is folding the in-process of folding up, presents the state of following the central shrink of orientation all around, and folding bed's lateral wall folds up along vertical plane all the time, can not produce outside bellied closed angle structure, avoids colliding operating personnel to and the damage to the flexibility is weaved, prolongs folding bed's life.

The foregoing is considered as illustrative only of the principles and preferred embodiments of the utility model. It should be noted that, for those skilled in the art, several other modifications can be made on the basis of the principle of the present invention, and the protection scope of the present invention should be regarded.

Claims (10)

1. A foldable children bed frame at least has an unfolding state and a folding state, and is characterized in that: comprises an upper frame, a plurality of groups of side brackets, a bottom frame and a linkage assembly;

the upper frame includes: the upper frame rod assemblies are sequentially connected end to end through the top corner assemblies;

the bottom frame is connected with a plurality of groups of side brackets;

the linkage assembly is arranged between any top corner assembly and the upper frame rod assembly and the side bracket which are connected with the top corner assembly;

in the unfolding state, the upper frame rod assembly encloses a fixed polygonal frame, and the underframe unfolds the side supports towards the direction away from the center;

when the foldable child bed frame is in the folded state, the bottom frame is folded towards the center and drives the lower ends of the side brackets to move towards the center of the lower part, and the upper ends of the side brackets drive the top corner assemblies and the upper frame rod assemblies to move towards the center of the upper part through the linkage assemblies, so that the whole foldable child bed frame is folded.

2. The foldable children's bed frame according to claim 1, wherein each set of the side brackets comprises: the lower ends of the two side rod pieces are connected through the bottom angle assembly, the upper ends of the two side rod pieces are movably connected with the two adjacent top angle assemblies respectively, the middle parts of the side rod pieces are connected with the linkage assembly, and the bottom angle assembly is hinged with the bottom frame;

when the foldable frame is in the unfolded state, each group of side brackets and the upper frame rod assembly opposite to the side brackets form a fixed inverted isosceles triangle frame together, the base angle assembly is located at the vertex angle of the isosceles triangle frame, the linkage assembly is located in the plane where the isosceles triangle frame is located, and the base frame enables the base angle assembly to be unfolded towards the direction away from the center.

3. The collapsible children's bed frame according to claim 2, wherein each of the upper frame bar assemblies comprises two sub-bars connected by a shoulder assembly, and the two sub-bars are switchable between a collapsed state and an expanded state, the linkage assembly being connected between the sub-bars, the side bars and the top corner assembly;

in the unfolding state, the two branch rods are positioned on the same horizontal straight line;

in the collapsed state, the shoulder assembly moves downward in a vertical direction relative to the spreader bar.

4. The collapsible child frame according to claim 3, wherein the linkage assembly comprises a first link, a second link, a third link, a fourth link, and a guide post; the guide post sets up wantonly on the apex angle subassembly to can follow vertical direction lift, first connecting rod second connecting rod one end respectively with the lift end of guide post is articulated, first connecting rod the middle section of second connecting rod respectively with two that the apex angle subassembly links to each other side lever spare is articulated, first connecting rod the other end of second connecting rod respectively with the third connecting rod the one end of fourth connecting rod is articulated, the third connecting rod the other end of fourth connecting rod respectively with two that link to each other on the apex angle subassembly divide the pole to articulate mutually.

5. The foldable children's bed frame according to claim 3, wherein the linkage assembly includes a first link, a third link and a guide post, the guide post is disposed on any of the top corner assemblies and can be lifted and lowered in a vertical direction, the first link is hinged at one end thereof to the side bar member and at the other end thereof to the third link, and the third link is hinged at the other end thereof to the branch bar adjacent to the side bar member and connected to the top corner assembly.

6. The collapsible child frame according to claim 4, wherein in the collapsed state, the hinge of the first and third links collapse upwardly in a vertical direction, the hinge of the second and fourth links collapse upwardly in a vertical direction, and the included angle between the first and second links and the guide post decreases.

7. The collapsible child frame according to claim 2, wherein the base frame comprises: the bottom corner component comprises a plurality of bottom rod pieces and an unlocking piece, wherein one ends of the bottom rod pieces are respectively connected with the unlocking piece, and the other ends of the bottom rod pieces are connected with the bottom corner component;

in the unfolding state, the unlocking piece is positioned at a locking position, and the bottom corner assemblies are unfolded towards the direction away from the center by the bottom rod pieces;

when the folding state is achieved, the unlocking piece is located at the unlocking position and used for driving the bottom rod piece to rotate relative to the unlocking piece and driving the bottom angle assembly to move towards the center.

8. The collapsible child's bed frame of claim 7, wherein the base frame further comprises a base in which the unlocking member is disposed and a pull ring mounted on an upper surface of the base, the base being hingedly connected to one end of the base member;

the pull ring is used for driving the base to move upwards, the base is used for driving the bottom rod pieces to turn upwards, and the bottom rod pieces are used for driving the bottom corner assemblies to move towards the center.

9. A foldable children's bed comprising a flexible fabric, further comprising a foldable children's bed frame according to any one of claims 1 to 8, wherein the flexible fabric is at least partially sleeved outside the foldable children's bed frame.

10. The child's folding bed as claimed in claim 9, wherein the flexible fabric includes an upper fabric pocket and a lower fabric pocket, the upper fabric pocket is provided outside the upper frame bar assembly and the interlocking assembly, and the lower fabric pocket is hung at the inner sides of the side bars and the bottom corner assemblies of the plurality of side brackets.

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