Foldable crib

Abstract

The utility model relates to the technical field of children tools, and provides a foldable children bed. The foldable child bed can comprise an upper corner component, an upper cross rod, a lower corner component, a stand column, a locking mechanism, a lower cross rod and a connecting rod. The locking mechanism comprises a shell and a locking rod, the shell comprises a first surface deviating from the upper fence and a second surface facing the upper fence, a guide channel is defined in the shell, the guide channel extends in the direction from the first surface to the second surface, and the guide channel penetrates through the first surface to form a first opening; the locking rod comprises a first rod section and a second rod section which are connected, the first rod section slidably extends into the guide channel from the first opening, and the second rod section is located outside the first surface. The locking rod comprises a first position and a second position, when the locking rod is located at the first position, the foldable child bed is in a use state, and when the locking rod is located at the second position, the foldable child bed is in a folded state. The foldable child bed provided by the embodiment of the utility model is simple and labor-saving to fold and unfold.

Description

Technical Field

[0001] The utility model relates to the technical field of children's appliances, in particular to a foldable children's bed. Background Art

[0002] A crib is a safe place for babies to sleep and play, whether at home or traveling. It also creates a secure area for babies, especially when they're already crawling or curious. To minimize space and facilitate mobility, cribs are often foldable.

[0003] However, existing foldable children's beds are difficult and laborious to fold and unfold, and are not flexible enough. Utility Model Content

[0004] In order to solve the above technical problems or at least partially solve the above technical problems, the utility model provides a foldable children's bed.

[0005] The present application provides a foldable children's bed, which may include: a plurality of upper corner members and a plurality of foldable upper cross bars, wherein the plurality of upper cross bars and the plurality of upper corner members form a closed upper fence, and the adjacent upper cross bars are rotatably connected by the upper corner members; a plurality of lower corner members and a plurality of uprights, wherein one end of the upright is connected to the upper corner member and the other end is connected to the lower corner member; a locking mechanism, including a shell and a locking rod, wherein the shell includes a first surface facing away from the upper fence and a second surface facing the upper fence, a guide channel is defined in the shell, the guide channel extends in the direction from the first surface to the second surface, the guide channel passes through the first surface to form a first opening, and the locking rod It includes a connected first rod segment and a second rod segment, the first rod segment is slidably extended into the guide channel through the first opening, and the second rod segment is located outside the first surface; a plurality of lower cross bars, one end of the lower cross bar is rotatably connected to the lower corner member, and the other end is rotatably connected to the shell; a plurality of connecting rods, one end of the connecting rod is rotatably connected to the second rod segment, and the other end is rotatably connected to the lower cross bar; wherein, the locking rod includes a first position and a second position, when the locking rod is in the first position, the first rod segments are all located in the guide channel, and the foldable children's bed is in use; when the locking rod is in the second position, at least part of the first rod segment is located outside the first opening, and the foldable children's bed is in a folded state.

[0006] It should be noted that when the locking rod is in the first position, the foldable children's bed is in use. When the locking rod moves from the first position to the second position, the locking rod moves downward relative to the shell, driving the connecting rod to drag the lower cross bar. Under the pull of the connecting rod, the lower cross bar rotates downward and in the direction of the shell, that is, multiple lower cross bars are retracted toward the locking mechanism. During this process, the distance between the lower corner components is reduced, the upper cross bar is folded, and the distance between the upper corner components is reduced to cooperate with the retraction of the lower cross bar until the locking rod moves to the second position. At this time, the lower cross bar, the column, and the upper cross bar all extend roughly in the up and down direction. At this point, the foldable children's bed is in a folded state, taking up minimal space, and is convenient for users to store.

[0007] In this way, the foldable children's bed provided by the present application can switch the foldable children's bed between the use state and the folded state because the locking rod can slide between the first position and the second position relative to the guide channel. The user only needs to pull the locking rod from the first position to the second position, and the folding operation is simple and effortless.

[0008] In some embodiments of the present application, a radial dimension of the second rod segment is greater than a radial dimension of the first opening, and when the locking rod is in the second position, the second rod segment abuts against the first surface.

[0009] In some embodiments of the present application, a connecting pin is provided on the circumferential outer side of the second rod segment, the connecting pin extends toward the circumferential outer side of the second rod segment, the connecting pin is rotatably connected to the connecting rod, and the connecting pin corresponds to the connecting rod one-to-one.

[0010] In some embodiments of the present application, a guide groove is provided on one of the inner wall of the guide channel and the outer wall of the locking rod, and a guide protrusion that cooperates with the guide groove is provided on the other; wherein, the guide groove extends in the direction from the first surface toward the second surface.

[0011] In some embodiments of the present application, the guide channel passes through the second surface to form a second opening, and the end of the first rod section close to the second opening is provided with a locking groove recessed toward the first surface, and the inner wall of the locking groove is provided with a locking cross bar; the locking mechanism also includes an unlocking member, and the unlocking member includes a connected rotating part and a locking part, the rotating part is rotatably installed in the second opening, the locking part extends into the second opening, and the locking part is provided with a locking notch that can be engaged with the locking cross bar, the unlocking member includes a locking position and an unlocking position, and the unlocking member can rotate between the locking position and the unlocking position, when the unlocking member is in the locking position, the locking cross bar is engaged in the locking notch, and the locking rod is fixed in the first position, and when the unlocking member is in the unlocking position, the locking cross bar is disengaged from the locking groove, and the locking rod can move between the first position and the second position.

[0012] In some embodiments of the present application, the unlocking member further includes a hand-held portion, which is connected to the rotating portion and is located outside the second opening.

[0013] In some embodiments of the present application, when the unlocking member is in the locked position, the extending direction of the handheld portion is parallel to the second surface.

[0014] In some embodiments of the present application, the second surface is provided with an avoidance groove, the second opening is formed on the bottom wall of the avoidance groove, and when the unlocking member is in the locked position, the hand-held part is located in the avoidance groove.

[0015] In some embodiments of the present application, the unlocking member also includes a rotating shaft and a torsion spring, the rotating shaft is passed through the rotating part and the inner wall of the avoidance groove, the torsion spring is sleeved on the rotating shaft, one torsion arm of the torsion spring abuts against the rotating part, and the other torsion arm abuts against the inner wall of the avoidance groove.

[0016] In some embodiments of the present application, a tension hole is provided at one end of the hand-held portion away from the rotating portion, and the tension hole is used to pass a pull rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present invention, and together with the description, serve to explain the principles of the present invention.

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0019] Figure 1 A schematic diagram of a foldable children's bed provided in some embodiments of the present application;

[0020] Figure 2 for Figure 1 A top view of the locking mechanism shown in ;

[0021] Figure 3 for Figure 2 A cross-sectional view of the locking mechanism at AA shown in FIG.

[0022] Figure 4 for Figure 3 Schematic diagram of the locking lever and the unlocking member shown in ;

[0023] Figure 5 for Figure 1 Bottom view of the locking structure shown in .

[0024] Reference numerals:

[0025] 100, foldable children's bed; 110, upper corner member; 120, upper crossbar; 121, rotating connector; 130, lower corner member; 140, column;

[0026] 150. Locking mechanism; 151. Housing; 1511. Guide protrusion; 152. Locking rod; 1521. First rod segment; 1522. Second rod segment; 1523. Connecting pin; 1524. Guide groove; 1525. Snap groove; 1526. Snap crossbar; 153. Unlocking member; 1531. Rotating portion; 1532. Snap portion; 1533. Snap notch; 1534. Hand grip; 1535. Torsion spring; 1536. Tension hole; 154. Avoidance groove;

[0027] 160, lower crossbar; 170, connecting rod; 180, steering wheel; 190, auxiliary rod. DETAILED DESCRIPTION

[0028] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the scheme of the present invention will be further described below. It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present invention, rather than all of the embodiments.

[0030] A crib is a safe place for babies to sleep and play, whether at home or traveling. It also creates a secure area for babies, especially when they're already crawling or curious. To minimize space and facilitate mobility, cribs are often foldable.

[0031] However, existing foldable children's beds are difficult and laborious to fold and unfold, and are not flexible enough.

[0032] To solve the above technical problems, please refer to Figure 1 , Figure 1 Schematic diagram of a foldable children's bed provided in some embodiments of the present application. The present application provides a foldable children's bed 100, which may include a plurality of upper corner members 110, a plurality of foldable upper crossbars 120, a plurality of lower corner members 130, a plurality of uprights 140, a locking mechanism 150, a plurality of lower crossbars 160, and a plurality of connecting rods 170.

[0033] Specifically, multiple upper cross bars 120 and multiple upper corner components 110 form a closed upper fence, and adjacent upper cross bars 120 are rotatably connected through the upper corner components 110, wherein the upper cross bar 120 can include two sub-upper cross bars, which are rotatably connected to each other. Specifically, the two sub-upper cross bars can be rotatably connected through a rotating connector 121, and the upper cross bar 120 can also be formed as a foldable soft bar.

[0034] One end of the upright post 140 is connected to the upper corner member 110, and the other end is connected to the lower corner member 130. A steering wheel 180 may be provided below the lower corner member 130 to enable the foldable child bed 100 to be moved. The upper corner members 110, upper crossbars 120, lower corner members 130, and upright posts 140 may be provided in equal numbers. Specifically, the foldable child bed 100 is formed as a rectangular parallelepiped, with four upper corner members 110, four upper crossbars 120, four lower corner members 130, and four upright posts 140. Thus, the framework of the foldable child bed 100 is formed by the plurality of upper corner members 110, the plurality of upper crossbars 120, the plurality of lower corner members 130, and the plurality of upright posts 140.

[0035] Of course, in some other embodiments, since the frame shape of the foldable children's bed 100 (for example, round, square, etc.) changes, the number of upper corner members 110, upper cross bars 120, lower corner members 130 and columns 140 may also be different.

[0036] See also Figure 2 and Figure 3 , Figure 2 for Figure 1 A top view of the locking mechanism shown in ; Figure 3 for Figure 2 The locking mechanism 150 may include a housing 151 and a locking rod 152. The housing 151 includes a first surface facing away from the upper fence and a second surface facing the upper fence. A guide channel is defined in the housing 151. The guide channel is directed from the first surface to the second surface (e.g., Figure 1 The guide channel extends in the up-down direction shown in the figure, and the guide channel passes through the first surface to form a first opening. The locking rod 152 includes a first rod segment 1521 and a second rod segment 1522 connected to each other. The first rod segment 1521 can be slidably extended into the guide channel through the first opening, and the second rod segment 1522 is located outside the first surface.

[0037] One end of the lower cross bar 160 is rotatably connected to the lower corner member 130 , and the other end is rotatably connected to the housing 151 . The number of the lower cross bars 160 is the same as the number of the lower corner members 130 .

[0038] In the specific implementation process, please continue to refer to Figures 1 to 3 Two lower cross bars 160 can be formed into a group, and the two lower cross bars 160 in a group are spaced apart in the vertical direction. The number of lower cross bars 160 is twice the number of lower corner members 130. This can ensure the stability of the lower cross bars 160 during rotation and the stability of the support of the lower cross bars 160.

[0039] One end of the connecting rod 170 is rotatably connected to the second rod segment 1522 , and the other end is connected to the lower cross bar 160 .

[0040] Among them, since the frame shape of the foldable children's bed 100 (for example, formed into a circle, a square, etc.) changes, the number of the lower corner members 130, the lower crossbars 160, and the connecting rods 170 can be specifically adjusted.

[0041] Specifically, the locking mechanism 150 can be located at the center position of multiple lower corner components 130. Taking the number of lower corner components 130 as 4 as an example, the number of lower cross bars 160 is also 4. The 4 lower cross bars 160 cross at the position of the locking mechanism 150 to form an "X" shape structure.

[0042] Among them, the locking rod 152 includes a first position and a second position. When the locking rod 152 is in the first position, the first rod segment 1521 is located in the guide channel, and the foldable children's bed 100 is in use. When the locking rod 152 is in the second position, at least part of the first rod segment 1521 is located outside the first opening, and the foldable children's bed 100 is in a folded state.

[0043] When the locking lever 152 is in the first position, the foldable child bed 100 is in use. When the locking lever 152 is moved from the first position to the second position, the locking lever 152 moves downward relative to the shell 151, that is, it drives the connecting rod 170 to drag the lower cross bar 160. Under the pull of the connecting rod 170, the lower cross bar 160 rotates downward and toward the direction where the shell 151 is located, that is, multiple lower cross bars 160 are retracted toward the locking mechanism 150. During this process, the distance between the lower corner members 130 is reduced, the upper cross bar 120 is folded, and the distance between the upper corner members 110 is reduced to cooperate with the retraction of the lower cross bar 160 until the locking lever 152 moves to the second position. At this time, the lower cross bar 160, the column 140, and the upper cross bar 120 all extend roughly in the up and down direction. At this point, the foldable child bed 100 is in the folded state, which takes up minimal space and is convenient for the user to store.

[0044] In this way, the foldable children's bed 100 provided in the present application can switch the foldable children's bed 100 between the use state and the folded state because the locking rod 152 can slide between the first position and the second position relative to the guide channel. The user only needs to pull the locking rod 152 from the first position to the second position, and the folding operation is simple and effortless.

[0045] In some embodiments of this application, please refer to Figure 2 The radial dimension of the second rod segment 1522 is larger than the radial dimension of the second opening. When the locking rod 152 is in the second position, the second rod segment 1522 abuts the first surface. It is understood that during the movement of the locking rod 152 from the second position to the first position, the second rod segment 1522 moves toward the first surface. Setting the radial dimension of the second rod segment 1522 larger than the first opening can prevent the second rod segment 1522 from moving into the guide channel, thereby preventing the locking rod 152 from exceeding the first position (i.e., moving to the side of the first position away from the second position) during the movement from the second position to the first position. This prevents the foldable child bed 100 from rocking up and down during use, thereby ensuring the stability of the foldable child bed 100 during use.

[0046] In some embodiments of this application, please refer to Figures 2 to 4 , Figure 4 for Figure 3 Schematic diagram of the locking lever and unlocking member shown in . Connecting pins 1523 are provided on the circumferential outer side of the second rod segment 1522. Connecting pins 1523 extend toward the circumferential outer side of the second rod segment 1522 and are rotatably connected to the connecting rod 170. Connecting pins 1523 correspond one-to-one with connecting rods 170. Thus, the provision of connecting pins 1523 provides a mounting location for the rotatable connection of the connecting rod 170.

[0047] Among them, taking the number of 4 lower corner components 130 as an example, the number of lower cross bars 160 is 4, the number of connecting rods 170 is 4, and the number of connecting pins 1523 is 4. The connecting pins 1523 extend at the diagonal lines of the quadrilateral surrounded by the lower corner components 130, so that the two opposite lower cross bars 160 can rotate on the plane, thereby enhancing the stability of the lower cross bars 160 when the foldable children's bed 100 rotates between the use state and the folded state.

[0048] In some embodiments of this application, please refer to Figure 3 and Figure 4 The guide channel passes through the second surface to form a second opening, and the end of the first rod segment 1521 close to the second opening is provided with a snapping groove 1525 recessed toward the first surface, and the inner wall of the snapping groove 1525 is provided with a snapping cross bar 1526. Specifically, the snapping groove 1525 may include a first inner wall and a second inner wall opposite to each other in the first direction, and the snapping cross bar 1526 extends from the first inner wall toward the second inner wall, and is connected to the first inner wall and the second inner wall.

[0049] The locking mechanism 150 may further include an unlocking member 153, which may include a connected rotating portion 1531 and a clamping portion 1532. The rotating portion 1531 is rotatably installed in the second opening, and the clamping portion 1532 extends into the second opening. The clamping portion 1532 is provided with a clamping notch 1533 that can be clamped with the clamping cross bar 1526. The unlocking member 153 includes a locking position and an unlocking position. The unlocking member 153 can rotate between the locking position and the unlocking position. When the unlocking member 153 is in the locking position, the clamping cross bar 1526 is clamped into the clamping notch 1533, and the locking rod 152 is fixed in the first position. When the unlocking member 153 is in the unlocking position, the clamping cross bar 1526 is disengaged from the clamping groove 1525, and the locking rod 152 can move between the first position and the second position.

[0050] Therefore, by setting the unlocking member 153, the locking rod 152 can be fixed in the first position, so that the foldable children's bed 100 can be kept stable in the use state. When the user needs to fold the foldable children's bed 100, the unlocking member 153 needs to be rotated from the locking position to the unlocking position first to avoid the foldable children's bed 100 from being accidentally folded.

[0051] In some embodiments of this application, please continue to refer to Figures 2 to 4The unlocking member 153 further includes a handle 1534, which is connected to the rotating portion 1531 and is located outside the second opening. Thus, the provision of the handle 1534 facilitates the user's rotation of the unlocking member 153 between the locked and unlocked positions. Furthermore, after the user rotates the unlocking member 153 to the unlocked position, the user can pull the housing 151 with the handle 1534, causing relative movement between the housing 151 and the locking rod 152, thereby moving the locking rod 152 from the first position to the second position, thereby switching the foldable child's bed 100 from the in-use state to the folded state.

[0052] In some embodiments of the present application, when the unlocking member 153 is in the locked position, the extending direction of the handle portion 1534 is parallel to the second surface. It is understood that when the unlocking member 153 is in the locked position, the locking rod 152 is in the first position, and the foldable child bed is in use, the extending direction of the handle portion 1534 is parallel to the second surface, which can ensure that the second surface is relatively flat, avoid obvious bulges on the bed surface, and ensure a good user experience.

[0053] For further information, please refer to Figure 3 and Figure 4 The second surface is provided with an escape groove 154, and a second opening is formed in the bottom wall of the escape groove 154. When the unlocking member 153 is in the locked position, the handle 1534 is located in the escape groove 154. Therefore, by providing the escape groove 154, it is ensured that when the unlocking member 153 is in the locked position, that is, the foldable children's bed is in use, the second surface can be kept flat, avoiding bulges on the bed surface, and further ensuring a good user experience.

[0054] In some embodiments of this application, please continue to refer to Figure 3 and Figure 4 The unlocking member 153 further includes a rotating shaft and a torsion spring 1535. The rotating shaft passes through the rotating portion 1531 and the inner wall of the avoidance groove 154. The torsion spring 1535 is sleeved on the rotating shaft. One torsion arm of the torsion spring 1535 abuts against the rotating portion 1531, and the other torsion arm abuts against the inner wall of the avoidance groove 154. Thus, by providing the torsion spring 1535, the unlocking member 153 can be automatically reset from the unlocked position to the locked position.

[0055] In some embodiments of this application, please continue to refer to Figure 3 and Figure 4 A tension hole 1536 is provided at one end of the handle 1534 away from the rotating portion 1531 for threading a pull cord. The insertion of the pull cord can extend the lever arm of the handle 1534, thereby reducing the force required by the user to rotate the unlocking member 153 and pull the housing 151. Furthermore, the pull cord design facilitates user operation.

[0056] In some embodiments of this application, please refer to Figure 5 , Figure 5 for Figure 1 A bottom view of the locking structure shown in FIG. A guide groove 1524 is provided on one of the inner wall of the guide channel and the outer wall of the locking rod 152, and a guide protrusion 1511 is provided on the other to cooperate with the guide groove 1524. The guide groove 1524 is in the direction from the first surface to the second surface (i.e. Figure 5 Thus, by providing the mutually cooperating guide groove 1524 and guide protrusion 1511, the locking lever 152 can be prevented from rotating in the circumferential direction during the movement of the locking lever 152 between the first position and the second position, thereby further ensuring the stability of the movement of the locking lever 152 between the first position and the second position, improving product quality, and enhancing the user experience.

[0057] Specifically, the inner wall of the guide channel may be provided with a guide groove 1524 and the outer wall of the locking rod 152 may be provided with a guide protrusion 1511 , or the inner wall of the guide channel may be provided with a guide protrusion 1511 and the outer wall of the locking rod 152 may be provided with a guide groove 1524 .

[0058] Furthermore, there may be multiple guide grooves 1524 and multiple guide protrusions 1511 , and the multiple guide grooves 1524 correspond one-to-one to the multiple guide protrusions 1511 .

[0059] In some embodiments of this application, please continue to refer to Figure 1 The foldable children's bed 100 may further include an auxiliary rod 190, one end of which is rotatably connected to the shell 151, and the other end is bent or tilted toward the ground. When the foldable children's bed 100 is in use, the auxiliary rod 190 can serve as a bed leg to further ensure the stability of the foldable children's bed 100 during use.

[0060] There may be a plurality of auxiliary rods 190 .

[0061] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0062] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, unless otherwise specified, "plurality" means two or more.

[0063] In the description of the embodiments of the present invention, the term "and / or" refers to and encompasses any and all possible combinations of one or more of the listed items. The term "and / or" describes an association relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A exists alone, A and B exist simultaneously, or B exists alone. Furthermore, the character " / " in the present invention generally indicates that the associated objects are in an "or" relationship.

[0064] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. Among them, "fixed connection" means that the two are connected to each other and the relative position relationship after the connection remains unchanged. In addition, the directional terms mentioned in the embodiments of the present invention, such as "inside" and "outside", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0065] In the description of the embodiments of the present invention, the terms "comprises", "includes" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element limited by the sentence "comprises a..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In the absence of further restrictions, an element limited by the sentence "comprises a..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.

[0066] The foregoing description is intended only to provide specific embodiments of the present invention, which will enable those skilled in the art to understand and implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not intended to be limited to the embodiments described herein, but rather to be embodied in the broadest possible manner consistent with the principles and novel features disclosed herein.

Claims

1. A foldable children's bed, characterized in that: include: A plurality of upper corner members and a plurality of foldable upper cross bars, wherein the plurality of upper cross bars and the plurality of corner members form a closed upper fence, and adjacent upper cross bars are rotatably connected via the upper corner members; a plurality of lower corner members and a plurality of columns, wherein one end of the column is connected to the upper corner member and the other end is connected to the lower corner member; The locking mechanism includes a housing and a locking rod, the housing including a first surface facing away from the upper fence and a second surface facing the upper fence, the housing defining a guide channel therein, the guide channel extending from the first surface toward the second surface, the guide channel penetrating the first surface to form a first opening, the locking rod including a first rod segment and a second rod segment connected to each other, the first rod segment slidably extending into the guide channel through the first opening, and the second rod segment being located outside the first surface; a plurality of lower cross bars, one end of each lower cross bar being rotatably connected to the lower corner member and the other end of each lower cross bar being rotatably connected to the housing; a plurality of connecting rods, one end of each connecting rod being rotatably connected to the second rod segment, and the other end of each connecting rod being rotatably connected to the lower cross rod; The locking rod includes a first position and a second position. When the locking rod is in the first position, the first rod segment is located in the guide channel, and the foldable children's bed is in use. When the locking rod is in the second position, at least part of the first rod segment is located outside the first opening, and the foldable children's bed is in a folded state.

2. The foldable children's bed according to claim 1, characterized in that: The radial dimension of the second rod segment is greater than the radial dimension of the first opening. When the locking rod is in the second position, the second rod segment abuts against the first surface.

3. The foldable children's bed according to claim 1, characterized in that: A connecting pin is provided on the circumferential outer side of the second rod segment. The connecting pin extends toward the circumferential outer side of the second rod segment. The connecting pin is rotatably connected to the connecting rod, and the connecting pin corresponds to the connecting rod in a one-to-one manner.

4. The foldable children's bed according to claim 1, characterized in that: A guide groove is provided on one of the inner wall of the guide channel and the outer wall of the locking rod, and a guide protrusion is provided on the other wall to cooperate with the guide groove; The guide groove extends from the first surface toward the second surface.

5. The foldable children's bed according to claim 1, characterized in that: The guide channel passes through the second surface to form a second opening, and an end of the first rod segment close to the second opening is provided with a clamping groove recessed toward the first surface, and an inner wall of the clamping groove is provided with a clamping cross bar; The locking mechanism also includes an unlocking member, which includes a connected rotating portion and a clamping portion, the rotating portion being rotatably installed in the second opening, the clamping portion extending into the second opening, the clamping portion being provided with a clamping notch that can be clamped with the clamping cross bar, the unlocking member including a locking position and an unlocking position, the unlocking member can rotate between the locking position and the unlocking position, when the unlocking member is in the locking position, the clamping cross bar is clamped into the clamping notch, the locking rod is fixed in the first position, when the unlocking member is in the unlocking position, the clamping cross bar is disengaged from the clamping groove, and the locking rod can move between the first position and the second position.

6. The foldable children's bed according to claim 5, characterized in that: The unlocking member further includes a hand-held portion, which is connected to the rotating portion and is located outside the second opening.

7. The foldable children's bed according to claim 6, characterized in that: When the unlocking member is in the locked position, the extending direction of the hand-held portion is parallel to the second surface.

8. The foldable children's bed according to claim 7, characterized in that: The second surface is provided with an avoidance groove, and the second opening is formed on the bottom wall of the avoidance groove. When the unlocking member is in the locking position, the hand-held part is located in the avoidance groove.

9. The foldable children's bed according to claim 8, characterized in that: The unlocking member also includes a rotating shaft and a torsion spring. The rotating shaft passes through the rotating part and the inner wall of the avoidance groove. The torsion spring is sleeved on the rotating shaft. One torsion arm of the torsion spring abuts against the rotating part, and the other torsion arm abuts against the inner wall of the avoidance groove.

10. The foldable children's bed according to claim 6, characterized in that: A tension hole is provided at one end of the hand-held portion away from the rotating portion, and the tension hole is used for passing a pull rope.

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