Foldable frame assembly and child appliance thereof

Abstract

The utility model belongs to the field of children products, and discloses a foldable frame assembly and a children appliance thereof. The foldable frame assembly comprises a frame, a first locking assembly, a second locking assembly and a first linkage mechanism. The frame comprises a supporting frame and an upper surrounding rod assembly, the supporting frame comprises a plurality of vertical rods, the vertical rods comprise first vertical rods, and the upper surrounding rod assembly comprises a plurality of connecting rods which are rotationally connected between the two vertical rods and rotationally connected in pairs; the first locking assembly comprises a first locking part which is movably arranged at the joint of the first connecting rod and the second connecting rod; the second locking assembly comprises a second locking part which is movably arranged between the first connecting rod and the first vertical rod; and the first linkage mechanism is in transmission connection between the second locking part and the first locking part. And structural limitation in the supporting frame and structural limitation in the upper surrounding rod assembly are relieved at the same time through the linkage mechanism, and rapid folding of the supporting frame is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to children's articles technical field especially relates to a foldable frame assembly and children's articles thereof. BACKGROUND

[0002] At present, the children's bed as the indoor article of baby can through the unfolding and folding mode, carries out unfolding use and folding placement, however, the folding mode of general children's bed is more complex, needs the unlocking and movable folding of each component separation, leads to the overall operation complex, therefore is not favorable to the quick storage of user. In conclusion, the folding operation mode of the prior art children's bed is more complex. SUMMARY

[0003] The utility model discloses a foldable frame assembly and children's articles thereof, which aims to solve the problem of complex folding operation mode of children's bed.

[0004] To achieve the above object, the utility model provides a foldable frame assembly, comprising:

[0005] Frame, including support frame and upper surrounding rod assembly, the support frame includes a plurality of vertical rods, the plurality of vertical rods includes first vertical rod, the upper surrounding rod assembly includes a plurality of connecting rods rotatably connected between two vertical rods and rotatably connected two by two, the plurality of connecting rods can be folded, and the plurality of vertical rods can be arranged close to each other and away from each other, so that the support frame has a folded state and an unfolded state, wherein the plurality of connecting rods includes a first connecting rod and a second connecting rod rotatably connected at one end, the other end of the first connecting rod is rotatably connected with the first vertical rod;

[0006] First locking assembly, including the first locking part of the first connecting rod and the second connecting rod's intersection place activity setting, with first locking position and first unlocking position, when the first locking position, the first locking part limits the first connecting rod relative the second connecting rod rotatable folding, when the first unlocking position, the first locking part removes the rotation limit of the first connecting rod;

[0007] Second locking assembly, including the second locking part of the first connecting rod and the first vertical rod between activity setting, the second locking part has second locking position and second unlocking position, when the second locking position, limit the first connecting rod relative the first vertical rod rotatable folding, when the second unlocking position, remove the limit of the first connecting rod, and,

[0008] A first linkage mechanism is drivingly connected between the second locking part and the first locking part, so that the first locking position of the first locking part corresponds to the second locking position of the second locking part, and the first unlocking position of the first locking part corresponds to the second unlocking position of the second locking part.

[0009] Optionally, the first locking part is movably arranged along the length direction of the first connecting rod;

[0010] The first linkage mechanism further comprises a first driving part connected with the first locking part;

[0011] The second locking part comprises:

[0012] A connecting rod mechanism comprises a first supporting connecting rod and a second supporting connecting rod rotatably connected at one end, the other end of the first supporting connecting rod is rotatably connected with the first vertical rod, the other end of the second supporting connecting rod is rotatably connected with the first connecting rod, and the first supporting connecting rod and the second supporting connecting rod can be stretched and folded to correspond to the second locking position and the second unlocking position of the second locking part; and

[0013] A driving rod is rotatably connected at one end with the first supporting connecting rod and at the other end with a sliding part arranged on the first vertical rod;

[0014] The first driving part is drivingly connected with the second supporting connecting rod, and the position of the sliding part along the length direction of the first vertical rod is adjustably arranged.

[0015] Optionally, the frame further comprises a lower connecting rod assembly, the lower connecting rod assembly comprises a plurality of bottom rods rotatably connected between two vertical rods and rotatably connected with each other;

[0016] The second linkage mechanism is drivingly connected between the sliding part and the first bottom rod;

[0017] Optionally, the plurality of bottom rods comprises a first bottom rod rotatably connected with the first vertical rod;

[0018] The second linkage mechanism is drivingly connected between the sliding part and the first bottom rod;

[0019] The second linkage mechanism comprises:

[0020] A linkage rod is movably arranged along the length direction of the first vertical rod, and the upper end of the linkage rod is connected to the sliding part; and

[0021] A transmission rod is rotatably connected to the lower end of the linkage rod at one end and rotatably connected to the first bottom rod at the other end.

[0022] Optionally, the first linkage mechanism further comprises a cable connected between the first driving part and the first locking part.

[0023] Optionally, the first locking assembly further comprises a fixing part arranged on the first connecting rod, the fixing part being provided with a guide channel extending along the length direction of the first connecting rod, and the cable movably passing through the guide channel.

[0024] Optionally, the first connecting rod is provided with a mounting seat, and the second supporting connecting rod is rotatably connected to the mounting seat.

[0025] The first driving part is slidably arranged on the mounting seat along the length direction of the first connecting rod.

[0026] The mounting seat is provided with a sliding groove, and the sliding groove comprises:

[0027] a first sliding groove section extending along the length direction of the first connecting rod; and

[0028] a second sliding groove section connected with the first sliding groove section at one end and extending away from the first connecting rod on the side away from the first supporting connecting rod at the other end.

[0029] The driving part is slidably arranged on the sliding groove.

[0030] Optionally, the first connecting rod and the second connecting rod are rotatably connected through a hinged seat, and the hinged seat is provided with a matching part.

[0031] When the first locking part is in the first locking position, the first locking part is limited to the matching part, and when the first locking part is in the second locking position, the first locking part is released from the limitation of the matching part.

[0032] The utility model further provides a children's appliance, including the foldable frame assembly according to any one of the above.

[0033] Optionally, the children's appliance comprises a children's bed.

[0034] The utility model provides a kind of foldable frame assembly, the first vertical pole and the first connecting rod are rotatably connected, the first connecting rod and the second connecting rod are limited to rotate or remove limit of rotation by the activity of the first locking portion, the first vertical pole and the first connecting rod are limited to rotate or remove limit between the first locking portion and the second locking portion, wherein, the first locking portion and the second locking portion are transmission connection, when the support frame is in unfolded state, the first connecting rod and the second connecting rod rotate to unfold, the first connecting rod and the first vertical pole are also rotated to unfold, and the rotation between the first connecting rod and the second connecting rod is limited by the first locking portion, the rotation between the first connecting rod and the first vertical pole is limited by the second locking portion, to keep the support frame in the unfolded state, when the support frame needs to be folded, the vertical pole is driven to be close to each other, by the first linkage mechanism, the removal of the rotation limitation between the first connecting rod and the second connecting rod and the removal of the rotation limitation between the first connecting rod and the first vertical pole are simultaneously realized, so that the first connecting rod and the second connecting rod can be rotated close to realize the folding between multiple connecting rods, the first connecting rod and the first vertical pole can be rotated close to realize the rotation folding between connecting rod and vertical pole, and the structure limiting of the support frame and the upper surrounding rod assembly is simultaneously removed by one linkage mechanism, to realize the rapid folding of the support frame. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is the three-dimensional structure schematic diagram of foldable frame assembly provided by the utility model embodiment scheme;

[0036] Figure 2 It is Figure 1 The three-dimensional structure schematic diagram of foldable frame assembly in the change of the folding state;

[0037] Figure 3 It is Figure 1 The front view cross-sectional structure schematic diagram of foldable frame assembly;

[0038] Figure 4 It is Figure 1 The explosion structure schematic diagram of first locking assembly in the;

[0039] Figure 5 It is Figure 1 The connection structure schematic diagram of first locking assembly and second locking assembly in the;

[0040] Figure 6 It is Figure 3 The enlarged structure schematic diagram of A in the;

[0041] Figure 7 It is Figure 3 The enlarged structure schematic diagram of B in the.

[0042] BRIEF DESCRIPTION OF DRAWINGS

[0043] 100, foldable frame assembly; 11, vertical rod; 111, first vertical rod; 1111, sliding part; 12, connecting rod; 121, first connecting rod; 1211, mounting seat; 12111, sliding groove; 12111a, first sliding groove section; 12111b, second sliding groove section; 122, second connecting rod; 13, bottom rod; 131, first bottom rod; 21, first locking part; 22, first driving part; 23, cable; 24, fixing part; 31, second locking part; 311, first support connecting rod; 312, second support connecting rod; 313, driving rod; 41, linkage rod; 42, transmission rod; 5, hinged seat.

[0044] The implementation, functional features and advantages of the utility model will be further described in combination with embodiments with reference to the drawings. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0046] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0047] In addition, if the embodiments of the utility model involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. Taking "A and / or B" as an example, it includes A scheme, or B scheme, or A and B schemes. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0048] Please refer toFigures 1 to 3 The utility model provides a kind of foldable frame assembly 100, including frame, first locking assembly, second locking assembly and first linkage mechanism;The frame includes support frame and upper surrounding rod assembly, the support frame includes multiple vertical rods 11, the multiple vertical rods 11 include first vertical rod 111, the upper surrounding rod assembly includes multiple connecting rods 12 being rotatably connected between two the vertical rod 11 and being rotatably connected two by two, the multiple connecting rods 12 can be rotatably folded, and the multiple vertical rods 11 can be mutually close and far away arrangement, to make the support frame have folding state and unfolded state, wherein, the multiple connecting rods 12 include first connecting rod 121 and second connecting rod 122 being rotatably connected at one end, the other end of the first connecting rod 121 is rotatably connected with the first vertical rod 111;The first locking assembly includes first locking portion 21 being movably arranged at the intersection of the first connecting rod 121 and the second connecting rod 122, with first locking position and first unlocking position, when the first locking position, the first locking portion 21 limits the first connecting rod 121 relative to the second connecting rod 122 rotatable folding, when the first unlocking position, the first locking portion 21 removes the rotatable folding of the first connecting rod 121;The second locking assembly includes second locking portion 31 being movably arranged between the first connecting rod 121 and the first vertical rod 111, and the second locking portion 31 has second locking position and second unlocking position, when the second locking position, limit the first connecting rod relative to the first vertical rod rotation limit, when the second unlocking position, remove the restriction of the first connecting rod;The first linkage mechanism is drivingly connected between the second locking portion 31 and the first locking portion 21, to make the first locking position of the first locking portion 21 and the second locking position of the second locking portion 31 correspond, and the first unlocking position of the first locking portion 21 and the second unlocking position of the second locking portion 31 correspond.

[0049] The utility model provides a kind of foldable frame assembly 100, the first vertical rod 111 and the first connecting rod 121 are rotatably connected, the first connecting rod 121 and the second connecting rod 122 are limited to rotate or remove limit of rotation by the activity of the first locking portion 21, the first vertical rod 111 and the first connecting rod 121 are limited to rotate or remove limit by the second locking portion 31, wherein, the first locking portion 21 and the second locking portion 31 are transmission connection, when the support frame is in unfolded state, the first connecting rod 121 and the second connecting rod 122 are rotated to unfold, the first connecting rod 121 and the first vertical rod 111 are also rotated to unfold, and the rotation between the first connecting rod 121 and the second connecting rod 122 is limited by the first locking portion 21, the rotation between the first connecting rod 121 and the first vertical rod 111 is limited by the second locking portion 31, to keep the support frame in the unfolded state, when the support frame needs to be folded, the vertical rod 11 is driven to be close to each other, by the first linkage mechanism, the removal of rotation limitation between the first connecting rod 121 and the second connecting rod 122 and the removal of rotation limitation between the first connecting rod 121 and the first vertical rod 111 are simultaneously realized, so that the first connecting rod 121 and the second connecting rod 122 can be rotated close to realize the folding between multiple connecting rods 12, the first connecting rod 121 and the first vertical rod 111 can be rotated close to realize the rotation folding between connecting rod 12 and vertical rod 11, and the structure limiting in the support frame and the upper surrounding rod assembly is simultaneously removed by one linkage mechanism, to realize the rapid folding of the support frame.

[0050] It should be noted that, in the embodiment, the support frame includes a plurality of vertical columns 111, can only include a plurality of vertical columns, can also include other components, for example, in the embodiment of the utility model, the support frame further includes a bottom rod, see the following.

[0051] When the support frame is in supporting state, the plurality of vertical columns are arranged away from each other, and the plurality of connecting rods are unfolded along horizontal direction, as shown in Figure 1

[0052] When the support frame changes to folding state, the plurality of vertical columns are arranged close to each other, and the plurality of connecting rods are rotated and folded, as shown in Figure 2

[0053] Further, please refer to Figure 4 ​​The first locking part 21 is movably arranged along the length direction of the first connecting rod 121; the first linkage mechanism further comprises a first driving part 22 connected with the first locking part 21; the second locking part 31 comprises a connecting rod mechanism and a driving rod 313; the connecting rod mechanism comprises a first supporting connecting rod 311 and a second supporting connecting rod 312 rotatably connected at one end, the other end of the first supporting connecting rod 311 is rotatably connected with the first vertical rod 111, the other end of the second supporting connecting rod 312 is rotatably connected with the first connecting rod 121, the first supporting connecting rod 311 and the second supporting connecting rod 312 can be stretched and folded to correspond to the second locking position and the second unlocking position of the second locking part 31; the driving rod 313 is rotatably connected at one end with the first supporting connecting rod 311 and at the other end with a sliding part 1111 arranged on the first vertical rod 111; wherein the first driving part 22 is drivingly connected with the second supporting connecting rod 312, the position of the sliding part 1111 along the length direction of the first vertical rod 111 is adjustably arranged, and the first linkage mechanism comprises the first driving part 22 and the second supporting connecting rod 312. In this embodiment, the first driving part 22 drives the first locking part 21 to move, so that the first locking part 21 can move to the first unlocking position, a four-connecting-rod structure is formed between the first supporting connecting rod 311, the second supporting connecting rod 312, the first vertical rod 111 and the first connecting rod 121, and different states of the four-connecting-rod structure are driven by the movement of the driving rod 313 to realize the unlocking and locking between the first vertical rod 111 and the first connecting rod 121. Wherein, the driving rod 313 is driven to move, so that the first vertical rod 111 and the first connecting rod 121 are unlocked, at the same time, the second supporting connecting rod 312 is driven by the driving rod 313 to move, so that the second supporting connecting rod 312 drives the first driving part 22 to move, thereby pulling the first locking part 21 to unlock, and the unlocking between the first vertical rod 111 and the first connecting rod 121 and the first connecting rod 121 and the second connecting rod 122 is realized synchronously by the driving rod 313, and the structure is simple and reliable.

[0054] It should be noted that in this embodiment, the position of the sliding part 1111 along the length direction of the first vertical rod 111 is adjustably arranged, and the sliding mode has various embodiments, wherein the sliding part 1111 can slide up and down through other movable parts on the support frame, such as a bottom rod, etc., or can be manually adjusted to slide.

[0055] Further, the frame further comprises a lower link assembly, the lower link assembly comprises a plurality of bottom rods 13 rotatably connected between two of the vertical rods 11 and rotatably connected with each other; wherein a second linkage mechanism is arranged between the sliding part 1111 and at least one of the bottom rods 13, so that when the bottom rod 13 is folded by rotating, the sliding part 1111 moves upward to a position, so that the second locking part 31 is in the second unlocking position, and when the bottom rod 13 is unfolded, the sliding part 1111 moves downward to a position, so that the second locking part 31 is in the second locking position. In this embodiment, the second locking part 31 and the bottom rod 13 are linked, and when folding the frame, only the bottom rod 13 needs to be driven to rotate, which can drive the sliding part 1111 to slide, and further make the driving rod 313 change position, drive the four-bar linkage structure to change state, and at the same time realize the unlocking of the first locking part 21, which is simple and convenient for quickly realizing the synchronous unlocking of different parts.

[0056] Specifically, the plurality of bottom rods 13 comprises a first bottom rod 131 rotatably connected with the first vertical rod 111; and the second linkage mechanism is in transmission connection with the sliding part 1111 and the first bottom rod 131. In this embodiment, the second linkage mechanism is arranged between the first vertical rod 111 and the first bottom rod 131, which reduces the transmission path of the second linkage mechanism and facilitates the transmission of position change on the first bottom rod 131 to the sliding part 1111 on the first vertical rod 111.

[0057] In this embodiment, please refer to Figure 5 , the second linkage mechanism comprises a linkage rod 41 and a transmission rod 42; the linkage rod 41 is movably arranged along the length direction of the first vertical rod 111, and the upper end of the linkage rod 41 is connected to the sliding part 1111; one end of the transmission rod 42 is rotatably connected to the lower end of the linkage rod 41, and the other end is rotatably connected to the first bottom rod 131. In this embodiment, when the first bottom plate 131 is rotated upward to abut against the first vertical rod 111, the transmission rod 42 also moves upward, thereby driving the linkage rod 41 to move upward, so that the sliding part 1111 moves upward, thereby driving the driving rod 313 to move.

[0058] It should be noted that the sliding part 1111 has various embodiments, as long as it can move along the length direction of the first vertical rod, and in this embodiment, the sliding part 1111 comprises a sliding sleeve, which is sleeved on the first vertical rod 1111 to realize the sliding of the sliding part 1111.

[0059] In addition, the driving connection mode between the sliding part 1111 and the linkage rod 41 is various. In the embodiment, the linkage rod 41 is arranged in the first vertical rod 111, and a waist hole is arranged in the first vertical rod corresponding to the sliding sleeve. The linkage rod 41 and the sliding sleeve are fixedly connected through the waist hole, so that when the linkage rod 41 moves along the first vertical rod 111, the sliding part 1111 also moves along the first vertical rod 111.

[0060] On the other hand, the first linkage mechanism further comprises a pull cable 23 connecting the first driving part 22 and the first locking part 21. In the embodiment, the first locking part 21 is driven to move by the pull cable 23, so that the pulling force can be transmitted, but the pushing force cannot be transmitted, and one-way unlocking of the first driving part 22 can be realized, and the structure is simple and reliable.

[0061] Further, the first locking assembly further comprises a fixing part 24 arranged on the first connecting rod 121, and a guide channel extending along the length direction of the first connecting rod 121 is formed on the fixing part 24. The pull cable 23 is movably arranged in the guide channel. In the embodiment, the guide channel arranged on the fixing part 24 ensures the arrangement path of the pull cable 23, so that the transmission failure caused by the pull cable 23 falling is avoided.

[0062] It should be noted that, please refer to Figure 6 In the embodiment, the first locking part 21, the first driving part 22 and the fixing part 24 are arranged in the first connecting rod 121, so as to hide the first locking assembly, protect the safety of the first locking assembly, and ensure the neat appearance of the foldable frame assembly 100.

[0063] In addition, the first connecting rod 121 is provided with a mounting seat 1211, and the second support connecting rod 312 is rotatably connected to the mounting seat 1211. The first driving part 22 is slidably arranged on the mounting seat 1211 along the length direction of the first connecting rod 121. In the embodiment, the first driving part 22 is arranged on the mounting seat 1211, so as to facilitate the sliding of the first driving part 22 in the first connecting rod 121.

[0064] It should be noted that the sliding mode of the first driving part 22 on the mounting seat 1211 is various, for example, through the matching slide rail and slide groove.

[0065] Specifically, in the embodiment, the mounting base 1211 is provided with a sliding groove 12111, the sliding groove 12111 comprises a first sliding groove segment 12111a and a second sliding groove segment 12111b; the first sliding groove segment 12111a extends along the length direction of the first connecting rod 121; one end of the second sliding groove segment 12111b is connected with the first sliding groove segment 12111a, and the other end extends away from the side of the first connecting rod 121 which is away from the first supporting connecting rod 311; the first driving part 22 is slidingly installed in the sliding groove 12111. In the embodiment, the first driving part 22 is directly slidingly installed in the sliding groove 12111, without the need of changing the structure of the first driving part 22, and the installation mode is simple and reliable.

[0066] It should be noted that, in the embodiment, the side wall surface of the sliding groove 12111 towards the side of the first supporting connecting rod 311 is provided with an avoiding opening, the avoiding opening extends along the length direction of the first connecting rod 121, and the second supporting connecting rod 312 is movably arranged in the avoiding opening and abuts against the first driving part 22.

[0067] Similarly, the first connecting rod 121 is also provided with an avoiding opening corresponding to the avoiding opening of the sliding groove 12111, so that the second supporting connecting rod 312 is movably arranged in the avoiding opening.

[0068] On the other hand, in the embodiment, the first connecting rod 121 and the second connecting rod 122 are rotatably connected through a hinge base 5, the hinge base 5 is provided with a matching part; when the first locking part 21 is in the first locking position, the first locking part 21 is limited to the matching part, and when the first locking part 21 is in the second locking position, the first locking part 21 is released from the limitation of the matching part. In the embodiment, the first connecting rod 121 and the second connecting rod 122 are both installed on the hinge base 5, which facilitates the connection of the two connecting rods 12 and the locking installation of the first locking part 21, and the structure is simple and reliable.

[0069] Based on the above-described foldable frame assembly 100, the utility model also provides a children's tool, which comprises the above-described foldable frame assembly 100, and therefore has all the technical features of the above-described foldable frame assembly 100, that is, has the technical effects brought by all the technical features, which will not be described one by one. The children's tool comprises a children's bed.

[0070] The utility model provides a kind of children's bed, when the children's bed is in unfolded state, the first connecting rod 121 and the second connecting rod 122 rotate to unfold, the first connecting rod 121 and the first vertical rod 111 are also rotated to unfold, and the rotation between the first connecting rod 121 and the second connecting rod 122 is limited by the first locking portion 21, the rotation between the first connecting rod 121 and the first vertical rod 111 is limited by the second locking portion 31, so as to keep the children's bed in the unfolded state, and when the children's bed needs to be folded, the vertical rod 11 is driven to be close to each other, by the first linkage mechanism, simultaneously realize the release of rotation limitation between the first connecting rod 121 and the second connecting rod 122, and the release of rotation limitation between the first connecting rod 121 and the first vertical rod 111, so that the first connecting rod 121 and the second connecting rod 122 can rotate close to realize the folding between multiple connecting rods, the first connecting rod 121 and the first vertical rod 111 can rotate close to realize the rotary folding between connecting rod 12 and vertical rod 11, and by one linkage mechanism, the structure limiting of the support frame and the upper surrounding rod assembly is simultaneously released, to realize the rapid folding of the children's bed.

[0071] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A foldable frame assembly, characterized by, The frame comprises a support frame and an upper rail assembly, the support frame comprises a plurality of vertical rods, the plurality of vertical rods comprises a first vertical rod, the upper rail assembly comprises a plurality of connecting rods rotatably connected between two vertical rods and rotatably connected with each other, the plurality of connecting rods can be folded, and the plurality of vertical rods can be arranged close to or away from each other, so that the support frame has a folded state and an unfolded state, wherein the plurality of connecting rods comprises a first connecting rod and a second connecting rod rotatably connected at one end, the other end of the first connecting rod is rotatably connected with the first vertical rod; A first locking assembly comprises a first locking part movably arranged at the intersection of the first connecting rod and the second connecting rod, and has a first locking position and a first unlocking position, in the first locking position, the first locking part limits the rotation folding of the first connecting rod relative to the second connecting rod, and in the first unlocking position, the first locking part releases the rotation limitation of the first connecting rod; A second locking assembly comprises a second locking part movably arranged between the first connecting rod and the first vertical rod, the second locking part has a second locking position and a second unlocking position, in the second locking position, the first connecting rod is limited to rotate and fold relative to the first vertical rod, and in the second unlocking position, the limitation of the first connecting rod is released; and A first linkage mechanism is drivingly connected between the second locking part and the first locking part, so that the first locking position of the first locking part corresponds to the second locking position of the second locking part, and the first unlocking position of the first locking part corresponds to the second unlocking position of the second locking part. The first locking part is movably arranged along the length direction of the first connecting rod; 2. The foldable frame assembly of claim 1, wherein, The first linkage mechanism comprises a first driving part connected with the first locking part; The second locking part comprises: A connecting rod mechanism comprising a first support connecting rod and a second support connecting rod rotatably connected at one end, the other end of the first support connecting rod is rotatably connected with the first vertical rod, the other end of the second support connecting rod is rotatably connected with the first connecting rod, the first support connecting rod and the second support connecting rod can be stretched and folded to correspond to the second locking position and the second unlocking position of the second locking part; and A driving rod rotatably connected at one end with the first support connecting rod and at the other end with a sliding part arranged on the first vertical rod; Wherein, the first driving part is drivingly connected with the second support connecting rod, and the position of the sliding part along the length direction of the first vertical rod is adjustably arranged. The frame further comprises a lower connecting rod assembly, the lower connecting rod assembly comprises a plurality of bottom rods rotatably connected between two vertical rods and rotatably connected with each other; 3. The foldable frame assembly of claim 2, wherein, Wherein, a second linkage mechanism is provided between the sliding part and at least one of the bottom rods, so that when the bottom rods are folded, the sliding part moves upward to a position, so that the second locking part is in the second unlocking position, and when the bottom rods are unfolded, the sliding part moves downward to a position, so that the second locking part is in the second locking position. The plurality of bottom rods comprises a first bottom rod rotatably connected with the first vertical rod; 4. The foldable frame assembly of claim 3, wherein, ​ The second linkage mechanism is in transmission connection with the sliding part and the first bottom rod; The second linkage mechanism comprises: a linkage rod movably arranged along the length direction of the first vertical rod, the upper end of the linkage rod being connected to the sliding part; and a transmission rod, one end of which is rotatably connected to the lower end of the linkage rod, and the other end of which is rotatably connected to the first bottom rod.

5. The foldable frame assembly of claim 2, wherein, The first linkage mechanism further comprises a pull cable connecting the first driving part and the first locking part.

6. The foldable frame assembly of claim 5, wherein, The first locking assembly further comprises a fixing part arranged on the first connecting rod, the fixing part being provided with a guide channel extending along the length direction of the first connecting rod, the pull cable movably passing through the guide channel.

7. The foldable frame assembly of claim 5, wherein, The first connecting rod is provided with a mounting seat, and the second supporting connecting rod is rotatably connected to the mounting seat; The first driving part is slidably arranged on the mounting seat along the length direction of the first connecting rod; The mounting seat is provided with a sliding groove, the sliding groove comprising: a first sliding groove section extending along the length direction of the first connecting rod; and a second sliding groove section, one end of which is connected to the first sliding groove section, and the other end of which extends away from the first connecting rod towards the side of the first supporting connecting rod away from the first connecting rod; The first driving part is slidably arranged on the sliding groove. The first connecting rod and the second connecting rod are rotatably connected through a hinged seat, and the hinged seat is provided with a matching part; 8. The foldable frame assembly of claim 1, wherein, When the first locking part is in the first locking position, the first locking part is limited to the matching part, and when the first locking part is in the second locking position, the first locking part is released from the limitation of the matching part. The child appliance comprises a child bed.

9. A child's implement, characterised in that The child appliance comprises a child bed.

10. A child use as claimed in claim 9, wherein ​

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