CN113180411B - Foldable children bed frame and children folding bed - Google Patents

Abstract

The invention discloses a foldable children's bed frame, which has at least an unfolded state and a folded state, and comprises an upper frame, a plurality of sets of side supports, a bottom frame and a linkage assembly; The polygonal frame, each group of side supports and the upper frame rod assembly opposite to it form a fixed inverted isosceles triangle frame, the bottom corner assembly is located at the top corner of the isosceles triangle frame, and the bottom frame directs the bottom corner assembly away from the center In the folded state, the underframe folds toward the center and drives the bottom corner assembly to move toward the center, the bottom corner assembly drives the lower end of the side rod to move toward the lower center, and the upper end of the side link drives the top corner assembly through the linkage assembly and the upper frame rod assembly move toward the upper center, so that the entire foldable children's bed frame is folded. The invention also discloses a folding bed for children. The invention has the advantages of convenient folding, relatively stable and safe folding process, avoiding damage to the flexible fabric as much as possible, and prolonging the service life.

Description

Collapsible Children's Bed Frames and Children's Rollaway Beds

technical field

The invention relates to the technical field of folding beds, in particular to a foldable children's bed frame and a children's folding bed.

Background technique

Due to structural reasons, the current baby folding bed is complicated to operate and has too many operation steps during the folding process.

The Chinese patent application with publication number CN200941953Y discloses a collapsible crib frame, which can realize one-button rapid collapsibility. But due to the irrationality of the structure. 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 quickly. After long-term use, it is easy to wear out the flexible woven fabric covering the outside of the folding bed frame, and it is easy to hit or scratch the operator during the folding process, causing inconvenience in use.

Therefore, it is necessary to design a collapsible children's bed frame and a children's folding bed that are convenient to fold, relatively stable and safe during the folding process, and can avoid damage to the flexible fabric as much as possible and prolong the service life.

Contents of the invention

The object of the present invention is to overcome the disadvantages of the prior art, and provide a foldable children's bed frame and a children's folding bed which are convenient to fold and stable in the folding process.

The technical solution of the present invention provides a foldable children's bed frame, which has at least an unfolded state and a folded state, including an upper frame, multiple sets of side supports, a bottom frame and a linkage assembly;

The upper frame includes: a plurality of upper frame rod assemblies and corner assemblies, and the plurality of upper frame rod assemblies are connected end-to-end through the corner assemblies;

Each set of side brackets includes: two side rods whose lower ends are connected by bottom corner components, and the upper ends of the two side rods are respectively movably connected with two adjacent top corner components;

The bottom frame is connected to a plurality of bottom corner assemblies;

The linkage assembly is arranged between any of the top corner assemblies and the upper frame rod assemblies connected thereto and the side brackets;

In the unfolded state, the upper frame rod assembly forms a fixed polygonal frame, and each set of side brackets and the upper frame rod assembly opposite to it form a fixed inverted isosceles triangle frame together. The bottom corner assembly is located at the top corner of the isosceles triangle frame, and the bottom frame expands the bottom corner assembly toward a direction away from the center;

In the folded state, the underframe is folded toward the center and drives the bottom corner assembly to move toward the center, the bottom corner assembly drives the lower end of the side rod to move toward the lower center, and the side link The upper end drives the top corner assembly and the upper frame rod assembly to move toward the upper center through the linkage assembly, so that the entire foldable children's bed frame is folded.

Further, each of the upper frame rod assemblies includes two sub-rods connected by a shoulder assembly, and the two sub-rods can be switched between folded and unfolded states, and the linkage assembly is connected to between the sub-bar, the side bar and the corner assembly;

In the unfolded state, the two sub-rods are located on the same straight line along the transverse direction;

In the folded state, the shoulder assembly moves vertically downward relative to the sub-rod.

Further, the linkage assembly includes a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a guide post; the guide post is arranged on any of the apex components, and can Lifting in the vertical direction, one end of the first connecting rod and the second connecting rod are respectively hinged with the lifting end of the guide column, and the middle sections of the first connecting rod and the second connecting rod are respectively connected to the top angle The two side rods connected by the assembly are hinged, and the other ends of the first connecting rod and the second connecting rod are respectively hinged with one end of the third connecting rod and the fourth connecting rod. The other ends of the three connecting rods and the fourth connecting rod are respectively hinged to the two sub-rods connected on the apex assembly.

Further, the linkage assembly includes a first connecting rod, a third connecting rod and a guide post, the guide post is arranged on any of the apex components and can be raised and lowered in the vertical direction, and the first connecting rod One end is hinged to the side bar, the other end is hinged to the third link, and the other end of the third link is hinged to the side bar adjacent to the side bar and connected to the corner assembly. On the pole.

Further, in the retracted state, the hinge of the first link and the third link is folded upwards in the vertical direction, and the hinge of the second link and the fourth link Folding upwards in the vertical direction, the included angles between the first connecting rod and the second connecting rod and the guide column are reduced.

Further, the bottom frame includes: a plurality of bottom bar parts and an unlocking part, one ends of the plurality of bottom bar parts are respectively connected with the unlocking parts, and the other ends of the plurality of bottom bar parts are connected with the bottom bar parts. corner component connection;

In the unfolded state, the unlocking member is in the locked position, and the plurality of bottom rod members deploy the bottom corner assembly in a direction away from the center;

In the folded state, the unlocking part is at the unlocking position, and when the unlocking part is pulled upward, the unlocking part drives the bottom rod to rotate relative to the unlocking part and drives the bottom corner assembly to move toward the center .

Further, the chassis also includes a base and a pull ring, the unlocking member is arranged in the base, the pull ring is installed on the upper surface of the base, and the base is hinged to one end of the bottom rod ;

When the pull ring is pulled upward, the pull ring drives the base to move upward, the base drives a plurality of the bottom bar parts to turn upward, and the bottom bar parts drive the bottom corner assembly to move toward the center.

Further, it also includes an auxiliary support rod, the inner end of which is hinged to the base;

In the unfolded state, the outer end of the auxiliary support rod is in contact with the ground;

In the folded state, the inner end of the auxiliary support rod is driven by the base to move upward.

The present invention also provides a children's folding bed, which includes a flexible woven fabric and the foldable children's bed frame described in any one of the above, and the flexible woven fabric is at least partially sleeved outside the foldable child's bed frame .

Further, the flexible woven cloth includes an upper cloth pocket and a lower cloth pocket, the upper cloth pocket is set outside the upper frame rod assembly and the linkage assembly, the lower cloth pocket is suspended on a plurality of the The inside of the side member and the bottom corner assembly.

After adopting the above technical scheme, it has the following beneficial effects:

The foldable children's bed frame in an embodiment of the present invention is convenient to fold, and the fold process is more stable.

The children's folding bed in another embodiment of the present invention does not produce a raised sharp-edged structure during the folding process, which reduces wear on the flexible fabric and prolongs the service life of the children's folding bed.

Description of drawings

The disclosure of the present invention will become more comprehensible with reference to the accompanying drawings. It should be understood that these drawings are only for the purpose of illustration, and are not intended to limit the protection scope of the present invention. In the picture:

Fig. 1 is an unfolded state view of a folding bed frame in an embodiment of the present invention;

Fig. 2 is an unfolded state diagram of another viewing angle of the folding bed frame in an embodiment of the present invention;

Fig. 3 is a diagram of the unfolded state of the folding bed in an embodiment of the present invention;

Fig. 4 is a state diagram of the folding process of the folding bed frame in an embodiment of the present invention;

Fig. 5 is a diagram of the folded state of the foldable bed frame in an embodiment of the present invention;

Fig. 6 is a schematic diagram of the folding process of a conventional collapsible crib frame.

Comparison table of reference signs in Figures 1-5:

Upper frame 1: upper frame rod assembly 11, corner assembly 12, shoulder assembly 111, sub-rod 112;

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

Underframe 3: Bottom bar 31, unlocking piece 32, base 33, pull ring 34, card slot 331, auxiliary card slot 332;

Linkage assembly 4: a first connecting rod 41 , a second connecting rod 42 , a third connecting rod 43 , a fourth connecting rod 44 , and a guide column 45 .

Part of the comparison table of reference signs in Fig. 6:

Connecting piece 31', rod 22', rod 23'.

Detailed ways

The specific implementation manner of the present invention will be further described below in conjunction with the accompanying drawings.

It is easy to understand that, according to the technical solution of the present invention, those skilled in the art can replace various structural modes and implementation modes without changing the essence and spirit of the present invention. Therefore, the following specific embodiments and drawings are only exemplary descriptions of the technical solution of the present invention, and should not be regarded as the entirety of the present invention or as a limitation or restriction on the technical solution of the invention.

The directional terms such as up, down, left, right, front, back, front, back, top, and bottom that are mentioned or may be mentioned in this specification are defined relative to the structures shown in the drawings, and they are It is a relative concept, so it may change accordingly according to its different positions and different usage states. Accordingly, these or other directional terms should not be construed as limiting terms.

Embodiment one:

As shown in Figure 1, the foldable children's bed frame has at least an unfolded state and a folded state, and the foldable children's bed frame includes an upper frame 1, a plurality of sets of side supports 2, a bottom frame 3 and a linkage assembly 4;

The upper frame 1 includes: a plurality of upper frame rod assemblies 11 and corner assemblies 12, and the plurality of upper frame rod assemblies 11 are connected end-to-end through the corner assemblies 12 in sequence;

Each set of side brackets 2 includes: two side rods 22 whose lower ends are connected through bottom corner assemblies 21, and the upper ends of the rods 22 on both sides are respectively movably connected with two adjacent top corner assemblies 12;

The bottom frame 3 is connected to a plurality of bottom corner assemblies 21;

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

In the unfolded state, the upper frame rod assembly 11 forms a fixed polygonal frame, and each group of side supports 2 and the upper frame rod assembly 11 opposite to it form a fixed inverted isosceles triangle frame together, and the bottom corner assembly 21 is located at the isosceles At the top corner position of the triangular frame, the underframe 3 expands the bottom corner assembly 21 toward a direction away from the center;

In the folded state, the bottom frame 3 folds toward the center and drives the bottom corner assembly 21 to move toward the center, the bottom corner assembly 21 drives the lower end of the side bar 22 to move toward the lower center, and the upper end of the side link 22 is driven by the linkage assembly 4 The top corner assembly 21 and the upper frame rod assembly 11 move toward the upper center, so that the entire foldable children's bed frame is folded.

Specifically, the upper frame 1 is located on the upper part of the foldable children's bed frame, and there are four sets of upper frame rod assemblies 11 . In the unfolded state, as shown in FIG. 1 , four sets of upper frame rod assemblies 11 are located on the same horizontal plane, forming a rectangular frame structure. Adjacent upper frame rod assemblies 11 are connected by corner assemblies 12, and the corner assemblies 12 are located on the four corners of the rectangular frame structure. In the folded state, as shown in FIG. 5 , the four top corner assemblies 12 are folded together, and the four sets of upper frame rod assemblies 11 are folded in the vertical direction.

As shown in FIG. 2 , in the unfolded state, the side bar member 22 is located on a vertical plane. The bottom corner assembly 21 corresponds to the middle part of each upper frame rod assembly 11 along the longitudinal direction, and the two side rods 22 extend obliquely upward from the bottom corner assembly 21 along the longitudinal plane and are respectively connected with the two top corner assemblies 12 . Each group of side supports 2 and the upper frame rod assembly 11 opposite to it form a fixed inverted isosceles triangle frame together, and the bottom corner assembly 21 is located at the apex of the isosceles triangle frame, and the isosceles triangle frame forms a stable support structure , making the unfolded bed frame more stable. The four bottom corner assemblies 21 are used for contacting with the ground to support the entire bed frame.

As shown in FIG. 1 , when the underframe 3 is in the unfolded state, it is also in contact with the ground to play a certain supporting role. The bottom frame 3 is located at the bottom of the bed frame, and is connected with four bottom corner assemblies 21, and the four bottom corner assemblies 21 are located in four directions outside the bottom frame 3, and the bottom frame 3 is connected with the bottom corner assemblies 21, and when unfolded, The bottom frame 3 pushes and expands the four bottom corner assemblies 21 toward a direction away from the center. As shown in FIG. 4 , in the folded state, the bottom frame 3 drives the bottom corner assembly 21 to move toward the center.

As shown in FIG. 1 , the linkage assembly 4 is arranged between any top corner assembly 12 and the upper frame rod assembly 11 connected thereto and the side bracket 2 . During the folding process, the side bar 22 drives the corner assembly 12 and the upper frame rod assembly 11 to move to the center and fold through the linkage assembly 4, and the linkage assembly 4 plays a role in driving the folding; at the same time, during the folding process Among them, since the linkage assembly 4 is connected to the top corner assembly 12, the upper frame rod assembly 11 and the side rod member 22 at the same time, it plays a role in stabilizing the folding process and reduces shaking during the folding process.

Compared with the prior art, as shown in FIG. 6 , the connecting member 31 ′ is less stable because it is only connected to the rods 22 ′, 23 ′, and it is easy to shake during the folding process.

As shown in Figure 4, during the folding process of this embodiment, the bottom frame 3 is first lifted up, and the bottom frame 3 drives the four bottom corner assemblies 21 to move laterally toward the center, and the four bottom corner assemblies 21 drive eight side rods The parts 22 move laterally toward the center together, and the side rod parts 22 drive the four corner assemblies 12 to move laterally toward the center through the linkage assembly 4, and simultaneously drive the folding of the upper frame rod assembly 11.

Optionally, the upper frame rod assembly 11 is not limited to four groups, but also three or five groups, or more groups. When the upper frame rod assembly 11 is unfolded, it can form a triangular frame structure or a pentagonal frame structure , the side brackets 2 and the linkage components 4 include corresponding numbers.

Further, each upper frame rod assembly 11 includes two sub-rods 112 connected by shoulder components 111, and the two sub-rods 112 can switch between folded and unfolded states, and the linkage assembly 4 is connected to the Between the rod 112, the side rod 22 and the corner assembly 12;

In the unfolded state, the two sub-rods 112 are located on the same horizontal straight line;

In the folded state, the shoulder assembly 111 moves vertically downward relative to the sub-rod 112 .

Specifically, as shown in FIG. 4 , during the folding process of the upper frame rod assembly 11 , the two sub-rods 112 are driven by the linkage assembly 4 to fold downwards in the vertical direction, and at the same time, the upper frame rod assembly 11 is folded vertically by the corner assembly 12 . To drive, to gather toward the center. During the entire folding process of the upper frame rod assembly 11 , no protruding sharp-edged structures will be formed outward or inward.

As shown in Figure 3, when the flexible fabric 6 is wrapped around the bed frame, during the folding process, the upper frame rod assembly 11 is only folded downwards in the longitudinal direction relative to the flexible fabric 6, and the flexible fabric 6 on the outer layer will not be folded. cause scratches or wear.

And, during the unfolded state of Fig. 3, the flexible fabric 6 is tightened by the bed frame. As the corner assembly 12 moves toward the center, the flexible fabric 6 is loosened and gathered together, and the flexible fabric 6 is not easily damaged when the upper frame rod assembly 11 is folded down in the longitudinal direction.

As shown in Figure 5, it is the folded state of the folding bed frame. At this time, the folding bed frame is folded to the minimum volume, and the four top corner assemblies 12 are moved closer together, and the eight side bars 22 are also moved closer to each other, and the four bottom corners The assembly 21 is folded inward, the bottom frame 3 rises to the inner side of the plurality of side rods 22, the upper frame rod assembly 11 is folded downward and is located between the side rods 22, and the entire bed frame is folded into a vertical column.

In the children's bed frame in this embodiment, since the upper frame rod assembly 11 is folded downwards in the vertical direction during the folding process, there is no raised sharp corner structure during the folding process, which will not damage the flexible fabric. 6 Causes wear and tear, prolonging the service life of the flexible fabric.

Optionally, the shoulder assembly 111 can be made of plastic, which has certain structural strength. In the unfolded state, the shoulder assembly 111 is used to connect and support the sub-rod 112 , so that the sub-rod 112 maintains a state extending in the transverse direction, and the flexible fabric 6 is taut.

As shown in FIG. 5 , in the folded state, the shoulder assembly 111 moves downward, the inner ends of the two sub-rods 112 move downward together, and the outer ends move toward the center along with the corner assembly 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 smooth surface of the plastic product is not easy to cause abrasion of the flexible fabric 6.

Further, the linkage assembly 4 includes a first connecting rod 41, a second connecting rod 42, a third connecting rod 43, a fourth connecting rod 44 and a guide post 45; the guide post 45 is arranged on any corner assembly 12, and can Lifting along the vertical direction, one end of the first connecting rod 41 and the second connecting rod 42 are hinged with the lifting end of the guide column 45 respectively, and the middle sections of the first connecting rod 41 and the second connecting rod 42 are respectively connected to the two corner assemblies 12. Two side bars 22 are hinged, and the other ends of the first connecting rod 41 and the second connecting rod 42 are respectively hinged with one end of the third connecting rod 43 and the fourth connecting rod 44, and the third connecting rod 43 and the fourth connecting rod 44 are hinged. The other ends are respectively hinged with two sub-rods 112 connected on the corner assembly 12 .

Specifically, as shown in Figures 1-2, a set of linkage components 4 includes a first connecting rod 41, a second connecting rod 42, a third connecting rod 43, a fourth connecting rod 44 and a guide column 45;

The guide column 45 is arranged longitudinally, the upper end of the guide column 45 is fixedly connected with the corner assembly 12, and the lower end of the guide column 45 is hinged with one end 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 the third connecting rod 43, and the other end of the third connecting rod 43 is hinged with a split rod 112;

The other end of the second connecting rod 42 is hinged with one end of the fourth connecting rod 44, and the other end of the fourth connecting rod 44 is hinged with another sub-rod 112;

Middle parts of the first connecting rod 41 and the second connecting rod 42 are respectively hinged with the two side rods 22 .

Optionally, the top corner assembly 12 is made of plastics and is in a smooth right angle shape. The inner wall of the top corner assembly 12 is hinged with the sub-rod 112 and the side bar member 22, and is also fixedly connected with the guide column 45. The outer wall is smooth to prevent The role of collision.

As shown in Figure 1-2, when the corner assembly 12 is in the expanded state, the guide post 45 extends downward in the longitudinal direction, the left side of the guide post 45 connects the first connecting rod 41 and the third connecting rod 43, and the right side of the guide post 45 The side connects the second link 42 and the fourth link 44, the first link 41 is connected with the side bar 22 on the left side, the second link 42 is connected with the side bar 22 on the right side, and the third link 43 is connected with the side bar 22 on the right side. The left sub-rod 112 is connected, and the fourth connecting rod 44 is connected with the right sub-rod 112 .

In the unfolded state, the linkage assembly 4 is located on two longitudinal planes, the first link 41 and the third link 43 are located on the longitudinal plane where the left side bar 22 is located, the first link 41, the third link 43 , the guide column 45 and the sub-rod 112 are roughly surrounded by a triangular structure, and the triangular structure is also connected with the side rod 22 at the same time, and is divided into two triangular structures; the third connecting rod 43 and the fourth connecting rod 44 are located on the right side The longitudinal plane where the side rod 22 is located, the third connecting rod 43, the fourth connecting rod 44, the guide column 45 and the sub-rod 112 roughly form a triangular structure, which is connected with the side rod 22 and is also divided into two parts. Triangular structure. The linkage assembly 4 supports the side rods 22 and the sub-rods 112 on both sides, making the unfolded structure more stable, less prone to deformation and collapse, and at the same time making the structure more stable during the folding process.

As shown in Figure 4, during the folding process, since the guide 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 The rod 43 and the fourth connecting rod 44 are folded on the longitudinal plane where the side rod 22 on the right side is located, and neither of them protrudes outwards, so as to avoid abrasion of the flexible fabric 6 and avoid collisions during the folding process. Operators cause inconvenience in folding operation.

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

Further, as shown in FIG. 1 , the first connecting rod 41 and the second connecting rod 42 are bent rods, and the side rod 22 is hinged to the bends of the first connecting rod 41 and the second connecting rod 42 .

Optionally, the linkage assembly 4 can also only include the first connecting rod 41, the third connecting rod 43 and the guide column 45, the guide column 45 is arranged on any corner assembly 12, and can be lifted in the vertical direction, the first One end of the connecting rod 41 is hinged to the side rod 22, and the other end is hinged to the third connecting rod 43. The other end of the third connecting rod 43 is hinged to the sub-rod 112 adjacent to the side rod 22 and connected to the corner assembly 12. . That is, the linkage assembly 4 can only connect the sub-rod 112 and the side bar 22 on one side, and the sub-rod 112 and the side bar 22 on the other side can be folded under the drive of the corner assembly 12 .

Further, the underframe 3 includes a plurality of bottom bar parts 31 and an unlocking part 32, one end of the plurality of bottom bar parts 31 is respectively connected to the unlocking part 32, and the other end of the plurality of bottom bar parts 31 is connected to the bottom corner assembly 21;

In the unfolded state, the unlocking member 32 is located at the locked position, and the plurality of bottom rod members 31 deploy the bottom corner assembly 21 toward a direction away from the center;

In the folded state, the unlocking member 32 is at the unlocking position, and when the unlocking member 32 is pulled upward, the unlocking member 32 drives the bottom bar member 31 to rotate relative to the unlocking member 32 and drives the bottom corner assembly 21 to move toward the center.

Specifically, as shown in FIG. 1 , there are four bottom rod members 31 , the outer ends of which are respectively connected to the four bottom corner assemblies 21 , 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 rods 31 extend in the horizontal direction and push the bottom corner assembly 21 away from the center;

When in the folded state, the unlocking part 32 moves upwards, driving the inner end of the bottom rod part 31 to rotate upwards, and the outer end of the bottom rod part 31 drives the four bottom corner assemblies 21 to move toward the center.

Further, as shown in Figure 1, the underframe 3 also includes a base 33 and a pull ring 34, the unlocking member 32 is arranged in the base 33, the pull ring 34 is installed on the upper surface of the base 33, the base 33 is connected to one end of the bottom bar member 31 hinged;

When the pull ring 34 is pulled upward, the pull ring 34 drives the base 33 to move upward, the base 33 drives a plurality of bottom bar parts 31 to turn upward, and the bottom bar parts 31 drive the bottom corner assembly 21 to move toward the center.

Specifically, the pull ring 34 is located on the top of the base 33, and the side of the base 33 respectively extends four slots 331 toward four directions, and the four slots 331 are respectively connected to the four bottom rods 31, and the bottom rods 31 and the bottom corner assembly 21 connections.

As shown in FIG. 1 , when the base 33 is in contact with the ground, the slot 331 pushes the bottom bar 31 to extend laterally and is restricted in this position, and the bottom bar 31 pushes the bottom corner assembly 21 towards the farthest, so that the four sides The bottom corner assemblies 21 are stretched, the bottom corner assemblies 21 drive the side rods 22, and the side rods 22 drive the top corner assemblies 12 to move toward the farthest four corners through the linkage assembly 4, and at the same time drive the upper frame 1 to stretch, Achieve full extension of the bed frame.

When it needs to be folded, the user manually pulls the middle pull ring 34, the pull ring 34 drives the base 33 to lift upward, the base 33 drives the inner end of the bottom rod 31 to move upward, and the outer end of the bottom rod 31 drives the four legs 2 to the center Move to realize the folding of the entire folding bed frame.

During the folding process, the bottom rod member 31 rotates relative to the base 33 and the bottom corner assembly 21 , and the locking groove 331 does not restrict the rotation of the bottom rod member 31 at this time.

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

In the unfolded state, the outer end of the auxiliary support rod is in contact with the ground;

In the folded state, the inner end of the auxiliary support rod is driven by the base 33 to move upward.

As shown in Figure 1, four auxiliary draw-in grooves 332 also extend out from the side of the base 33, and the auxiliary draw-in grooves 332 are hinged with the inner ends of the auxiliary support rods, and the outer ends of the auxiliary support rods contact the ground when they are unfolded, for auxiliary Supports the folding bed frame.

When in the folded state, the inner end of the auxiliary support rod is driven by the base 33 to move upwards, and the outer end is lifted in the air.

The foldable children's bed frame in this embodiment can realize one-button folding to realize quick bed retraction operation, and the folding process is more stable because the linkage assembly connects the top corner assembly, side rods and sub-rods. In addition, since the linkage assembly and the upper frame rod assembly are folded in the vertical direction during the folding process, there will be no outward or inward sharp-angled structures, which will avoid damage to the flexible fabric. The inconvenience and prolong the service life.

Embodiment two:

As shown in FIG. 3 , the folding bed includes a flexible fabric 6 and the folding bed frame of Embodiment 1 and its modification. The flexible fabric 6 is at least partly sleeved outside the foldable children's bed frame.

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

Further, as shown in FIG. 3 , the flexible fabric 6 includes an upper cloth pocket 61 and a lower cloth pocket 62, the upper cloth pocket 61 is sleeved outside the upper frame rod assembly 11 and the linkage assembly 4, and the lower cloth pocket 62 is suspended on multiple The inner side of the root side member 22 and the bottom corner assembly 21 .

The bib is divided into two layers by the flexible weaving cloth 6, and the upper layer cloth pocket 61 is for the baby to lie down, and the lower floor cloth pocket 62 can place baby articles. It is also possible to open and communicate between the upper cloth pocket 61 and the lower floor cloth pocket 62 to form a game bed mode.

The top corner assembly 12 is made of plastic, which plays the role of anti-collision, and also plays the role of the upper frame rod assembly 11 and the side bracket 2 . The upper cloth pocket 61 hides the upper frame rod assembly 11, the upper half of the side rod member 22 and the linkage assembly 4 inside, which is not only beautiful, but also prevents the baby from being injured.

After passing through the upper cloth pocket 61 , the lower half of the side bar member 22 is positioned outside the lower cloth pocket 62 and connected to the bottom corner assembly 21 .

When the lower cloth pocket 62 is unfolded, it is suspended above the bottom corner 3, and the base 33 of the bottom corner 3 plays a supporting role for the lower cloth pocket 62, and the pull ring 34 can penetrate into the lower cloth pocket 62, which is convenient for the user to operate .

In this embodiment, during the folding process of the upper frame rod assembly 11 , the flexible fabric of the upper cloth pocket 61 is no longer stretched after being folded down longitudinally, and the shoulder assembly 111 is not easy to wear the flexible fabric. Similarly, during the folding process of the linkage assembly 4, itself is also folded in the longitudinal direction, which is not easy to cause abrasion to the flexible fabric.

During the folding process of the entire children's folding bed, it is in a state of shrinking from the surroundings towards the center. The outer wall of the folding bed is always folded along the vertical plane, and no sharp corners protruding outward will be formed to avoid collisions with the operator. , and damage to the flexible fabric, prolonging the service life of the folding bed.

What has been described above is only the principles and preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, on the basis of the principle of the present invention, several other modifications can also be made, which should also be regarded as the protection scope of the present invention.

Claims (10)

1. A foldable children's bed frame, which has at least an unfolded state and a folded state, and is characterized in that it includes an upper frame, multiple sets of side supports, a bottom frame and linkage components; The upper frame includes: a plurality of upper frame rod assemblies and corner assemblies, and the plurality of upper frame rod assemblies are connected end-to-end through the corner assemblies; Each set of side brackets includes: two side rods whose lower ends are connected by bottom corner components, and the upper ends of the two side rods are respectively movably connected with two adjacent top corner components; The bottom frame is connected to a plurality of bottom corner assemblies; The linkage assembly is arranged between any of the top corner assemblies and the upper frame rod assemblies connected thereto and the side brackets; In the unfolded state, the upper frame rod assembly forms a fixed polygonal frame, and each set of side brackets and the upper frame rod assembly opposite to it form a fixed inverted isosceles triangle frame together. The bottom corner assembly is located at the top corner of the isosceles triangle frame, and the bottom frame expands the bottom corner assembly toward a direction away from the center; In the folded state, the underframe is folded toward the center and drives the bottom corner assembly to move toward the center, and the bottom corner assembly drives the lower end of the side rod to move toward the lower center, and the bottom corner of the side rod moves toward the center. The upper end drives the top corner assembly and the upper frame rod assembly to move toward the upper center through the linkage assembly, and the upper frame rod assembly is folded in the vertical direction, so that the entire foldable children's bed frame is folded . 2. The foldable children's bed frame according to claim 1, wherein each said upper frame rod assembly comprises two sub-rods connected by a shoulder assembly, and the two said sub-rods can be switch between the two states of folding and unfolding, and the linkage component is connected between the sub-rod, the side rod and the corner component; In the unfolded state, the two sub-rods are located on the same straight line along the transverse direction; In the folded state, the shoulder assembly moves vertically downward relative to the sub-rod. 3. The foldable children's bed frame according to claim 2, wherein 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 column is arranged on any of the apex components, and can be lifted and lowered in the vertical direction. One end of the first connecting rod and the second connecting rod are respectively hinged with the lifting end of the guide column. The middle sections of the connecting rod and the second connecting rod are respectively hinged with the two side rods connected to the apex assembly, and the other ends of the first connecting rod and the second connecting rod are connected with the first connecting rod respectively. One end of the three connecting rods and the fourth connecting rod are hinged, and the other ends of the third connecting rod and the fourth connecting rod are respectively hinged with the two sub-rods connected on the corner assembly. 4. The foldable children's bed frame according to claim 2, wherein the linkage assembly comprises a first connecting rod, a third connecting rod and a guide post, and the guide post is arranged at any of the top angles On the assembly, and can be lifted in the vertical direction, one end of the first connecting rod is hinged to the side rod, the other end is hinged to the third connecting rod, and the other end of the third connecting rod is hinged to the side rod. A rod is adjacent to and connected to the sub-rod on the corner assembly. 5. The foldable children's bed frame according to claim 3, wherein in the folded state, the hinge of the first connecting rod and the third connecting rod is folded upward along the vertical direction , the hinges of the second connecting rod and the fourth connecting rod are folded upward in the vertical direction, and the included angle between the first connecting rod, the second connecting rod and the guide column is reduced. 6. The foldable children's bed frame according to claim 1, characterized in that, the base frame comprises: a plurality of bottom bar parts and an unlocking part, one ends of the plurality of bottom bar parts are connected to the unlocking parts respectively. The other ends of the plurality of bottom rods are connected with the bottom corner assembly; In the unfolded state, the unlocking member is in the locked position, and the plurality of bottom rod members deploy the bottom corner assembly in a direction away from the center; In the folded state, the unlocking part is at the unlocking position, and when the unlocking part is pulled upward, the unlocking part drives the bottom rod to rotate relative to the unlocking part and drives the bottom corner assembly to move toward the center . 7. The foldable children's bed frame according to claim 6, characterized in that, the base frame further comprises a base and a pull ring, the unlocking part is arranged in the base, and the pull ring is installed on the the upper surface of the base, the base is hinged to one end of the bottom bar; When the pull ring is pulled upward, the pull ring drives the base to move upward, the base drives a plurality of the bottom bar parts to turn upward, and the bottom bar parts drive the bottom corner assembly to move toward the center. 8. The foldable children's bed frame according to claim 7, further comprising an auxiliary support rod, the inner end of which is hinged to the base; In the unfolded state, the outer end of the auxiliary support rod is in contact with the ground; In the folded state, the inner end of the auxiliary support rod is driven by the base to move upward. 9. A folding bed for children, comprising flexible woven fabric, characterized in that it also includes the foldable children's bed frame according to any one of claims 1-8, the flexible woven fabric is at least partly sheathed on the foldable children's bed frame. Fold away from the child's bed frame. 10. The children's folding bed according to claim 9, wherein the flexible woven fabric includes an upper layer cloth pocket and a lower layer cloth pocket, and the upper layer cloth pocket is set on the upper frame rod assembly and the linkage Outside the assembly, the lower cloth pocket is suspended on the inner side of the plurality of side bars and the bottom corner assembly.

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