Foldable game bed

Abstract

The invention is applicable to the technical field of game beds, and provides a foldable game bed which comprises a first long-edge enclosure frame and a second long-edge enclosure frame, and a first short-edge enclosure frame and a second short-edge enclosure frame are sequentially connected end to end through a first locking joint assembly and a second locking joint assembly; the first bed leg assembly is connected with the first locking joint assembly, and the second bed leg assembly is connected with the second locking joint assembly; the third locking joint assemblies are installed on the first long-edge enclosure frame and the second long-edge enclosure frame correspondingly, and the third locking joint assemblies can be unlocked and used for folding the first long-edge enclosure frame and the second long-edge enclosure frame; when the third locking joint assembly is unlocked, at least one of the first locking joint assembly and the second locking joint assembly can be unlocked in a linkage manner, so that the first bed leg assembly and the second bed leg assembly can be folded. According to the foldable game bed provided by the invention, the game bed can reach the optimal thickness when being folded, one-key unlocking is also realized, and the unlocking efficiency is improved.

Description

Technical Field

[0001] The invention relates to the field of game beds, and in particular to a foldable game bed. Background Art

[0002] A playbed is a baby product used to take care of infants and children, and can provide a space for infants and children to sleep or have fun. In order to make the playbed easy to carry and store, the playbed is currently configured to be foldable. However, existing playbeds may have different folding methods when folded, resulting in different thicknesses of the playbed after folding, and the optimal thickness cannot be achieved after one folding. In the case of limited space, the playbed may need to be opened and folded again. Summary of the invention

[0003] The purpose of the present invention is to provide a foldable playbed to solve the technical problems existing in the prior art, which mainly includes the following contents:

[0004] The present application provides a foldable playbed, comprising:

[0005] A first long side frame and a second long side frame, wherein two ends of the first long side frame are connected to a first locking joint assembly, and two ends of the second long side frame are connected to a second locking joint assembly;

[0006] A first short side surrounding frame and a second short side surrounding frame, wherein two ends of the first short side surrounding frame and the second short side surrounding frame are respectively connected to the corresponding first locking joint assembly and the second locking joint assembly;

[0007] The first bed leg assembly is fixedly connected to the first long side frame, and the second bed leg assembly is fixedly connected to the second long side frame;

[0008] A third locking joint assembly is installed on the first long side frame and the second long side frame respectively, and the third locking joint assembly can be unlocked to fold the first long side frame and the second long side frame.

[0009] When the third locking joint assembly is unlocked, it can at least unlock one of the first locking joint assembly and the second locking joint assembly, so that the first bed leg assembly and the second bed leg assembly can be folded.

[0010] In order to further better implement the present application, the following setting structure is particularly adopted: when the third locking joint assembly is unlocked, the first locking joint assembly is unlocked through the first unlocking structure to achieve the folding of the first bed leg assembly.

[0011] To further implement the present application, the following configuration is particularly adopted: the first unlocking structure is installed in the second locking housing at the end of the first long side frame, and one end of the first unlocking structure abuts against the first rotating cam of the first long side frame, and the other end abuts against the first locking joint assembly;

[0012] A portion of the first locking joint assembly is mounted in the second locking housing, and another portion is mounted in the first locking housing;

[0013] When the first long side frame is folded, the first rotating cam is driven to rotate so that the first unlocking structure moves in the second locking shell, pushing the first locking joint assembly to disengage and unlock from the second locking shell.

[0014] In order to better implement the present application, the following setting structure is particularly adopted: when the third locking joint assembly is unlocked, the second locking joint assembly is unlocked through the second unlocking structure to achieve the unlocking of the second bed leg assembly.

[0015] To further implement the present application in a better manner, the following configuration is particularly adopted: the second unlocking structure comprises: a first rotating disk and a second rotating disk, wherein the first rotating disk is connected to the second rotating disk via a first traction rope;

[0016] Part of the first rotating disk is installed in a first locking housing at one end of the first short side frame, and the other part is installed in a second locking housing adjacent to the end of the first long side frame.

[0017] The second rotating disk is installed in the third locking housing at the other end of the first short side frame, and a side of the second rotating disk away from the third locking housing abuts against the second locking joint assembly;

[0018] When the first bed leg assembly is folded to a preset angle, the second locking shell is driven to rotate, and then the first rotating disk and the second rotating disk are driven to rotate to unlock the second locking joint assembly.

[0019] In order to better realize the present application, the following setting structure is particularly adopted: a rotation groove is provided on the inner wall of the second locking shell adjacent to the first locking shell, and driving blocks are arranged at intervals on the rotation groove; a first protrusion is provided on the side of the first turntable adjacent to the second locking shell, and the first protrusion is slidably installed in the rotation groove, and when the driving block rotates to a preset angle, it can abut against the first protrusion and drive the first turntable and the second turntable to rotate.

[0020] In order to further better realize the present application, the following setting structure is particularly adopted: a second protrusion is provided on the inner wall of the third locking shell opposite to the second turntable, and a first groove is provided at the corresponding position of the second turntable. The first groove and the second protrusion are slidably matched to make the second turntable move along the direction of the fourth locking shell close to the end of the second long side frame, pushing the second locking joint assembly to disengage and unlock from the third locking shell.

[0021] In order to better implement the present application, the following setting structure is particularly adopted: when the third locking joint assembly is unlocked, the second locking joint assembly is unlocked through the third unlocking structure to unlock the second bed leg assembly, and the first unlocking structure is the same as the third unlocking structure.

[0022] To further better implement the present application, the following configuration is particularly adopted: the third locking joint assembly includes a pressing seat and a pressing member, the pressing member is mounted on the first long side frame through the pressing seat, and the pressing member moves along the radial direction of the first long side frame;

[0023] A sliding block, wherein the sliding block is slidably installed in the first long side frame, and one end of the sliding block abuts against the top of the pressing member;

[0024] A rotating wheel, the rotating wheel is mounted on the sliding block, and the rotating wheel is fixedly mounted on the first long side frame;

[0025] A second traction rope, one end of which is wound around the rotating wheel and fixedly mounted on the sliding block, and the other end of which is fixedly mounted on a locking tongue, wherein the locking tongue is plugged into a second locking shell at the end of the first long side frame.

[0026] To further implement the present application, the following configuration is particularly adopted: the third locking joint assembly further comprises a fixing member, the fixing member is mounted on the pressing seat, and the fixing member abuts against the top of the sliding block, and the pressing member moves to a preset position and engages with the fixing member; and / or,

[0027] A clamping portion is provided at the lower end of the fixing member, the clamping portion is located at one side of the fixing member, and a side of the clamping portion adjacent to the pressing member forms a guide groove with the lower surface of the fixing member, and the sliding block can slide along the guide groove.

[0028] Compared with the prior art, the present invention has at least the following technical effects:

[0029] 1) The foldable playbed provided in the present application includes a first locking joint assembly, a second locking joint assembly and a third locking joint assembly. When the third locking joint assembly is unlocked to realize folding of the long side frame, at least one of the first locking joint assembly and the second locking joint assembly is simultaneously unlocked, so that the playbed can reach the optimal thickness when folded, and one-button unlocking is realized, thereby improving the unlocking efficiency and ensuring the stability of the playbed when folded.

[0030] 2) In the present application, the first long side frame and the second long side frame are rotated and folded by unlocking the third locking joint assembly. When the first long side frame or the second long side frame is rotated to a preset angle, one of the locking joint assemblies is unlocked by the unlocking structure to realize the rotation and folding of the bed leg assembly corresponding to the locking joint assembly. When the bed leg assembly is rotated and folded to a preset angle, the other joint assembly is unlocked by the corresponding unlocking structure to realize the folding of the other bed leg assembly. Through such an arrangement, the bed leg assembly on one side can be folded first, and then the bed leg assembly on the other side can be folded, so that the thickness after folding is optimized, avoiding the situation that the folding thickness is too large and the space occupied is large due to incorrect folding method. At the same time, when the bed leg assembly on one side is folded, the bed leg assembly on the other side that is not unlocked can provide a certain support force for it, so as to avoid slipping and the situation that the playbed is broken.

[0031] 3) In the present application, by unlocking the third locking joint assembly, the first locking joint assembly and the second locking joint assembly can be unlocked at the same time, without the need to additionally set up an unlocking member or operate to unlock the first locking joint assembly and the second locking joint assembly separately, which greatly improves the folding efficiency of the play bed and simplifies the structure of the play bed. The operation is simple, and only one unlocking is required to unlock all the bed leg assemblies and the corresponding short side frame assemblies, thereby quickly completing the folding of the play bed. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments of the present invention or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0033] Figure 1 It is a schematic diagram of the overall structure of the game bed in this application;

[0034] Figure 2 This is a schematic diagram of the folding of the first long side frame and the second long side frame in the present application;

[0035] Figure 3This is a schematic diagram of the third unlocking group in the present application, which is linked to unlock the second bed leg assembly for folding;

[0036] Figure 4 is a schematic diagram of the playbed in this application after folding;

[0037] Figure 5 is an axial cross-sectional view along the first long side frame in the present application;

[0038] Figure 6 yes Figure 5 Enlarged view of part A in the middle;

[0039] Figure 7 yes Figure 5 Enlarged view of middle part B;

[0040] Figure 8 It is an exploded view of the C portion when one side of the first short side frame in the present application adopts the first unlocking structure and the second unlocking structure;

[0041] Fig. 9 yes Figure 8 The enlarged view of the D part in FIG.

[0042] Fig.10 yes Figure 8 The enlarged view of part E in FIG.

[0043] Fig.11 It is an exploded view of the F portion when one side of the first short side frame in the present application adopts the first unlocking structure and the third unlocking structure;

[0044] Fig.12 yes Fig.11 The enlarged view of the G section in the figure;

[0045] Fig.13 yes Fig.11 The enlarged view of the H part in FIG.

[0046] Fig.14 is a structural schematic diagram of the fourth locking housing in the present application;

[0047] Fig.15 is a schematic diagram of the structure of the second turntable in the present application;

[0048] Fig.16 It is a schematic diagram of the structure of the fixing member in this application;

[0049] Fig.17 It is a schematic diagram of the structure of the pressing member in this application.

[0050] In the figure:

[0051] 10. first long side frame; 11. first rotating cam; 12. second locking housing; 121. rotating groove; 122. driving block; 123. rotating shaft;

[0052] 20. second long side frame; 21. second rotating cam; 22. fourth locking housing;

[0053] 30. First locking joint assembly; 31. First unlocking structure; 301. First spring;

[0054] 40, second locking joint assembly; 401, second spring; 41, second unlocking structure; 411, first rotating disk; 4111, first protrusion; 4112, perforation; 412, second rotating disk; 4121, first groove; 413, first traction rope; 42, third unlocking structure;

[0055] 50, first short side frame; 51, first locking shell; 52, third locking shell; 521, second protrusion; 5211, trapezoidal protrusion;

[0056] 60. Second short side frame;

[0057] 70. First bed leg assembly; 71. First bed leg; 72. Second bed leg;

[0058] 80, second bed leg assembly; 81, third bed leg; 82, fourth bed leg;

[0059] 90. The third locking joint assembly; 91. The pressing seat; 92. The pressing member; 921. The clamping groove; 93. The sliding block; 94. The rotating wheel; 95. The second traction rope; 96. The locking tongue; 97. The fixing member; 971. The clamping part; 972. The guide groove; 973. The return spring. DETAILED DESCRIPTION

[0060] The following description provides many different embodiments or examples for implementing different features of the present application. The components and arrangements described in the following specific examples are only used to simplify the present application and are only used as examples, not to limit the present application.

[0061] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application for which protection is claimed, but merely represents the selected embodiments of the present application.

[0062] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0063] In the present application, unless otherwise clearly specified and limited, a first feature being above or below a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, a first feature being above, above, and above a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being below, below, and below a second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0064] A playbed is a baby product used to take care of infants and children, and can provide a space for infants and children to sleep or have fun. In order to make the playbed easy to carry and store, the playbed is currently set to be foldable, but there are still the following technical problems:

[0065] (1) In the prior art, the legs of the playbed are folded in different ways when folded, which may result in different thicknesses after each folding. It is not possible to achieve the optimal thickness or minimum thickness after one folding. In addition, the legs may be staggered and abutted and cannot be folded, which reduces the folding efficiency.

[0066] (2) In the prior art, the foldable playbed requires first unlocking the long side frame to fold it, and then unlocking the short side frame. This requires two unlockings, making the folding process complicated and difficult to operate.

[0067] In view of this, the present application provides a foldable playbed, such as Figure 1-Figure 17 As shown, including:

[0068] The long side frame includes: a first long side frame 10 and a second long side frame 20, the first long side frame 10 and the second long side frame 20 are arranged in parallel, the two ends of the first long side frame 10 are connected to the first locking joint assembly 30, and the two ends of the second long side frame 20 are connected to the second locking joint assembly 40.

[0069] The short side frame includes: a first short side frame 50 and a second short side frame 60. The first short side frame 50 and the second short side frame 60 are arranged in parallel, and the two ends of the first short side frame 50 and the second short side frame 60 are respectively connected to the corresponding first locking joint assembly 30 and the second locking joint assembly 40.

[0070] Exemplarily, the first long side frame 10, the second long side frame 20, the first short side frame 50, and the second short side frame 60 may be tubular. The first short side frame 50 is vertically arranged with the first long side frame 10 and the second long side frame 20, and the second short side frame 60 is also vertically arranged with the first long side frame 10 and the second long side frame 20. One end of the first short side frame 50 is connected to the first long side frame 10 through the first locking joint assembly 30, and the other end is connected to the second long side frame 20 through the second locking joint assembly 40. One end of the second short side frame 60 is connected to the first long side frame 10 through the first locking joint assembly 30, and the other end is connected to the second long side frame 20 through the second locking joint assembly 40, forming a closed rectangular frame structure.

[0071] The bed leg assembly includes a first bed leg assembly 70 and a second bed leg assembly 80. The first bed leg assembly 70 is fixedly connected to the first long side frame 10, and the second bed leg assembly 80 is fixedly connected to the second long side frame 20. Exemplarily, the first bed leg assembly 70 and the second bed leg assembly 80 can be rod-shaped or tubular. The first bed leg assembly 70 includes a first bed leg 71 and a second bed leg 72, which are respectively fixedly mounted at both ends of the first long side frame 10, and the second bed leg assembly 80 includes a third bed leg 81 and a fourth bed leg 82, which are respectively fixedly mounted at both ends of the second long side frame 20.

[0072] The first bed leg 71 can be locked and connected to one end of the first short side frame 50 through the first locking joint assembly 30, and the second bed leg 72 can be locked and connected to one end of the second short side frame 60 through the first locking joint assembly 30. By unlocking the first locking joint assembly 30, the first bed leg 71 and the first short side frame 50 can be unlocked, and the second bed leg 72 and the second short side frame 60 can be unlocked. Similarly, the third bed leg 81 is locked and connected to the other end of the first short side frame 50 through the second locking joint assembly 40, and the fourth bed leg 82 is connected to the other end of the second short side frame 60 through the second locking joint assembly 40. By unlocking the second locking joint assembly 40, the third bed leg 81 and the first short side frame 50 can be unlocked, and the fourth bed leg 82 and the second short side frame 60 can be unlocked.

[0073] The third locking joint assembly 90 is respectively mounted on the first long side frame 10 and the second long side frame 20. The third locking joint assembly 90 can be unlocked to fold the first long side frame 10 and the second long side frame 20. Exemplarily, the third locking joint assembly 90 is respectively mounted at the middle position of the first long side frame 10 and the second long side frame 20. The third locking joint assembly 90 can be unlocked to fold the first long side frame 10 and the second long side frame 20, respectively, so that the first bed leg 71 and the second bed leg 72 are brought closer to the center of the first long side frame 10, and the third bed leg 81 and the fourth bed leg 82 are brought closer to the center of the second long side frame 20, so as to complete the folding of the long side frames and the bringing together of the bed leg assemblies.

[0074] In the present application, when the third locking joint assembly 90 is unlocked, it can at least unlock one of the first locking joint assembly 30 and the second locking joint assembly 40, so that the first bed leg assembly 70 and the second bed leg assembly 80 can be folded. The following linkage conditions may exist:

[0075] In the first linkage situation, when the third locking joint assembly 90 is unlocked, the first locking joint assembly 30 and the second locking joint assembly 40 are simultaneously unlocked, so that the first bed leg assembly 70 and the second bed leg assembly 80 can be folded. Exemplarily, the third locking joint assembly 90 is unlocked, so that the first long side frame 10 and the second long side frame 20 are folded, and when the first long side frame 10 and the second long side frame 20 are folded to a preset angle, the first locking joint assembly 30 and the second locking joint assembly 40 are unlocked at the same time, thereby realizing the unlocking of the first bed leg assembly 70 and the second bed leg assembly 80, so that both can be folded, thereby completing the folding of the playbed.

[0076] In the present application, by unlocking the third locking joint assembly 90, the first locking joint assembly 30 and the second locking joint assembly 40 can be unlocked at the same time. There is no need to additionally set up an unlocking member or operate to unlock the first locking joint assembly 30 and the second locking joint assembly 40 separately, which greatly improves the folding efficiency of the play bed and simplifies the structure of the play bed. The operation is simple, and only one unlocking is required to unlock all the bed leg assemblies and the corresponding short side frame assemblies, thereby quickly completing the folding of the play bed.

[0077] In the second linkage situation, when the third locking joint assembly 90 is unlocked, the first locking joint assembly 30 is unlocked in linkage, so that the first bed leg assembly 70 can be folded. When the first bed leg assembly 70 is folded to a preset angle, the second locking joint assembly 40 is unlocked in linkage, so that the second bed leg assembly 80 can be folded. Exemplarily, the third locking joint assembly 90 is unlocked, so that the first long side frame 10 and the second long side frame 20 can be folded. When the first long side frame 10 is folded to a preset angle, the first locking joint assembly 30 is unlocked, and the locks between the first bed leg assembly 70 and the first short side frame 50 and the second short side frame 60 are released, so that the first bed leg assembly 70 can be folded. When the first bed leg assembly 70 and the folded first long side frame 10 are folded to a preset angle at the same time, the second locking joint assembly 40 can be unlocked through the unlocking structure linkage, and the locks between the second bed leg assembly 80 and the first short side frame 50 and the second short side frame 60 are released, so that the second bed leg assembly 80 and the folded second long side frame 20 can be folded, thereby completing the folding of the playbed.

[0078] In the third linkage situation, when the third locking joint assembly 90 is unlocked, the second locking joint assembly 40 is unlocked in linkage, so that the second bed leg assembly 80 can be folded. When the second bed leg assembly 80 is folded to a preset angle, the first locking joint assembly 30 is unlocked in linkage, so that the first bed leg assembly 70 can be folded. Exemplarily, the third locking joint assembly 90 is unlocked, so that the first long side frame 10 and the second long side frame 20 are folded. When the second long side frame 20 is folded to a preset angle, the second locking joint assembly 40 is unlocked, and the locks between the second bed leg assembly 80 and the first short side frame 50 and the second short side frame 60 are released, so that the second bed leg assembly 80 can be folded. When the second bed leg assembly 80 and the folded second long side frame 20 are folded to a preset angle at the same time, the first locking joint assembly 30 can be unlocked through the unlocking structure linkage, and the locks between the first bed leg assembly 70 and the first short side frame 50 and the second short side frame 60 are released, so that the first bed leg assembly 70 and the folded first long side frame 10 can be folded, thereby completing the folding of the playbed.

[0079] In the present application, the first long side frame 10 and the second long side frame 20 are rotated and folded by unlocking the third locking joint assembly 90. When the first long side frame 10 or the second long side frame 20 is rotated to a preset angle, one of the locking joint assemblies is unlocked by the unlocking structure to realize the rotation and folding of the bed leg assembly corresponding to the locking joint assembly. When the bed leg assembly is rotated and folded to a preset angle, the other joint assembly is unlocked by the corresponding unlocking structure to realize the folding of the other bed leg assembly. By setting it in this way, the bed leg assembly on one side can be folded first, and then the bed leg assembly on the other side can be folded, so that the thickness after folding is optimized, avoiding the situation that the folding thickness is too large and the space occupied is large due to incorrect folding method. At the same time, when the bed leg assembly on one side is folded, the bed leg assembly on the other side that is not unlocked can provide a certain support force for it, so as to avoid slipping and the situation that the playbed is broken.

[0080] Therefore, the foldable playbed provided in the present application includes a first locking joint assembly 30, a second locking joint assembly 40 and a third locking joint assembly 90. When the third locking joint assembly 90 is unlocked to realize folding of the long side frame, at least one of the first locking joint assembly 30 and the second locking joint assembly 40 is unlocked simultaneously, so that the playbed can reach the optimal thickness when folded, and one-button unlocking is realized, thereby improving the unlocking efficiency and ensuring the stability of the playbed when folded.

[0081] According to some optional embodiments, when the third locking joint assembly 90 is unlocked, the first locking joint assembly 30 is unlocked by the first unlocking structure 31 to achieve folding of the first bed leg assembly 70 .

[0082] Exemplarily, the first unlocking structure 31 is installed at the end of the first long side frame 10 and is located between the first long side frame 10 and the first locking joint assembly 30. When the third locking joint assembly 90 is unlocked and the first long side frame 10 is folded to a preset angle, the end of the first long side frame 10 pushes the first unlocking structure 31 to move, thereby unlocking the first locking joint assembly 30 and releasing the lock on the first bed leg assembly 70, so that the first bed leg assembly 70 can be folded toward the first short side frame 50.

[0083] In some optional embodiments, the first unlocking structure 31 can be a lock rod and spring structure, the spring is sleeved on the lock rod, and the corresponding first locking joint assembly 30 is a disc-shaped and spring structure. In another optional embodiment, the first unlocking structure 31 is an L-shaped structure in which the lock rod and the lock disc are integrally formed, and the first locking joint assembly 30 is a tooth block and spring structure. The specific structures of the first unlocking structure 31 and the first locking joint assembly 30 are not limited in this application.

[0084] According to some optional embodiments, the first unlocking structure 31 is installed in the second locking shell 12 at the end of the first long side frame 10, and the first unlocking structure 31 can move along the axial direction of the second locking shell 12. The first rotating cam 11 is located between the first long side frame 10 and the second locking shell 12, one end of the first unlocking structure 31 abuts against the first rotating cam 11 of the first long side frame 10, the other end of the first rotating cam 11 is fixedly connected to the first long side frame 10, and the end of the first rotating cam 11 abutting against the first unlocking structure 31 is also rotatably connected to the second locking shell 12. The other end of the first unlocking structure 31 abuts against the first locking joint assembly 30;

[0085] Part of the first locking joint assembly 30 is installed in the second locking housing 12 , and the other part is installed in the first locking housing 51 .

[0086] Exemplarily, one end of the second locking shell 12 is rotationally connected to the first rotating cam 11 of the first long side frame 10 along the b1 axis, and one end of the first locking shell 51 is fixedly connected to the first short side frame 50. The other end of the second locking shell 12 is rotationally connected to the other end of the first locking shell 51. Exemplarily, a rotating shaft 123 is provided on the second locking shell 12, the first locking shell 51 is rotationally mounted on the rotating shaft 123, and one end of the first bed leg assembly 70 is fixedly connected to the lower end of the second locking shell 12, and when the first bed leg assembly 70 is folded, it can drive the second locking shell 12 to rotate relative to the first locking shell 51 through the rotating shaft 123.

[0087] In the embodiments of the present application, the rotational connection may be a pin connection, and the fixed connection may be a screw, one-piece molding, gluing, snap-on connection or the like.

[0088] When the third locking joint assembly 90 is unlocked, the first rotating cam 11 at the end portion can be driven to rotate when the first long side frame 10 is folded, thereby pushing the first unlocking structure 31 to move in the second locking shell 12 in a direction close to the first locking joint assembly 30, pushing the first locking joint assembly 30 to disengage and unlock from the second locking shell 12, releasing the lock between the first bed leg assembly 70 and the first locking shell 51, and allowing the first bed leg assembly 70 and the folded first long side frame 10 to be folded toward the first short side frame 50 under the action of external force.

[0089] According to some optional embodiments, when the third locking joint assembly 90 is unlocked, the second locking joint assembly 40 is unlocked by the second unlocking structure 41 , thereby unlocking the second bed leg assembly 80 .

[0090] In the above scheme, the second unlocking structure 41 is installed in the first short side frame 50, one side of the second locking joint assembly 40 is installed in the third locking shell 52, and the other side is installed in the fourth locking shell 22 at the end of the second long side frame 20, and one end of the second bed leg assembly is fixedly connected to the lower end of the fourth locking shell 22. Specifically, one end of the second unlocking structure 41 is located between the second locking shell 12 and the first locking shell 51, one side of the end is rotatably installed in the first locking shell 51, and the other side is rotatably installed in the second locking shell 12; the other end of the second unlocking structure 41 is located between the third locking shell 52 and the second locking joint assembly 40, one side of the end is rotatably installed in the third locking shell 52, and the other side abuts against the second locking joint assembly 40.

[0091] When the third locking joint assembly 90 is unlocked, the first long side frame 10 and the second long side frame 20 are folded. When the first long side frame 10 is rotated to a preset angle, the first rotating cam 11 rotates along the b1 axis and pushes the first unlocking structure 31 to move along the rotating axis 123, thereby pushing the first locking joint assembly 30 to disengage from the second locking shell 12, and releasing the lock between the second locking shell 12 and the first locking shell 51. At this time, the first bed leg assembly 70 and the folded first long side frame 10 are pushed by external force, and the two are rotated relative to the first locking shell 51 along the rotating axis 123 through the second locking shell 12. When the second locking shell 12 is rotated to a preset angle, the second unlocking structure 41 is driven to rotate to push the second locking joint assembly 40 from the third locking shell 52 to disengage, and release the lock between the third locking shell 52 and the fourth locking shell 22. Then, the second bed leg assembly 80 and the folded second long side frame 20 are pushed, and the two are rotated relative to the third locking shell 52 along the a2 axis through the fourth locking shell 22 until they are completely folded, thereby realizing the folding of the playbed. The present application improves the unlocking efficiency through such a linkage unlocking method, and only when the first bed leg assembly 70 is rotated to a preset angle, the second bed leg assembly 80 is unlocked in linkage, so that it can be rotated and folded, so that the folded thickness of the playbed reaches the optimal level.

[0092] According to some optional embodiments, the second unlocking structure 41 includes: a first turntable 411 and a second turntable 412 , and the first turntable 411 and the second turntable 412 are circular disks.

[0093] A portion of the first rotating disk 411 is rotatably mounted in a first locking housing 51 at one end of the first short side frame 50, and another portion of the first rotating disk 411 is rotatably mounted in a second locking housing 12 adjacent to an end of the first long side frame 10.

[0094] The second turntable 412 is located between the second locking joint assembly 40 and the third locking shell 52, and is installed in the third locking shell 52 at the other end of the first short side frame 50, and the side of the second turntable 412 away from the third locking shell 52 is abutted against the second locking joint assembly 40, and the other side of the second locking joint assembly 40 is installed in the fourth locking shell 22.

[0095] The first rotating disk 411 has a through hole 4112 in the middle, and the first unlocking structure 31 and the first locking joint assembly 30 can pass through the through hole 4112 and enter the first locking shell 51. The first rotating disk 411 is connected to the second rotating disk 412 through a first traction rope 413, that is, one end of the first traction rope 413 is fixedly connected to the first rotating disk 411, and the other end is rotatably connected to the second rotating disk 412. The first traction rope 413 can be a traction rope such as a wire rope. The second unlocking structure 41 is set in the form of a first rotating disk 411 and a second rotating disk 412 in the present application. The structure is simple, the volume is small, and it is easy to install. It can be driven to rotate with only a small force.

[0096] When the first bed leg assembly 70 is folded to a preset angle, it drives the second locking shell 12 to rotate, and then drives the first turntable 411 and the second turntable 412 to rotate, so that the second turntable 412 pushes the second locking joint assembly 40 out of the third locking shell 52, thereby unlocking the second locking joint assembly 40 and releasing the lock between the fourth locking shell 22 and the third locking shell 52. The second bed leg assembly 80 and the folded second long side frame 20 can be rotated relative to the third locking shell through the fourth locking shell 22, thereby realizing the folding of the playbed.

[0097] According to some optional embodiments, a rotating groove 121 is provided on the inner wall of the second locking shell 12 adjacent to the first locking shell 51, and the rotating groove 121 is arranged along the circumference of the inner wall of the second locking shell 12, and driving blocks 122 are arranged at intervals on the rotating groove 121, and the driving blocks 122 can be two, three, four, etc. The driving blocks 122 can be protrusions, and the driving blocks 122 protrude and extend in the direction toward the rotating shaft 123. A first protrusion 4111 is provided on one side of the first rotating disk 411 adjacent to the second locking shell 12, and a first protrusion 4111 is provided on one side of the first rotating disk 411 adjacent to the second locking shell 12, and the first protrusion 4111 protrudes and extends in the direction toward the second locking shell 12, and the number of the first protrusions 4111 corresponds to the number of the driving blocks 122. The first protrusion 4111 is located between two adjacent driving blocks 122, and the first protrusion 4111 is slidably installed in the rotating groove 121. When the first bed leg assembly 70 is folded and rotated, it drives the second locking shell 12 to rotate, thereby making the driving block 122 rotate synchronously, and when the driving block 122 follows the first bed leg assembly 70 to rotate to a preset angle, the driving block 122 can abut against the first protrusion 4111 and drive the first turntable 411 to rotate, and the first turntable 411 drives the second turntable 412 to rotate through the first traction rope 413, and the second turntable 412 rotates in the third locking shell 52 to push the second locking joint assembly 40 to disengage from the third locking shell 52, and release the lock between the fourth locking shell 22 and the third locking shell 52, so that the second bed leg assembly 80 and the folded second long side frame 20 can rotate along the a2 axis relative to the third locking shell 52 through the fourth locking shell 22.

[0098] In the present application, a rotating groove 121 is set in the second locking shell 12, and the rotating groove 121 and the first protrusion 4111 of the first rotating disk 411 are slidably matched. By setting the position of the first protrusion 4111 in the rotating groove 121, the second locking shell 12 can be well controlled to rotate to different preset angles to push the first rotating disk 411 to rotate. The structure is simple and the unlocking efficiency can be greatly improved.

[0099] According to some optional embodiments, a second protrusion 521 is provided on the inner wall of the third locking housing 52 opposite to the second rotating disk 412, and the second protrusion 521 includes a plurality of trapezoidal protrusions 5211, and the trapezoidal protrusions 5211 are annularly distributed along the inner wall of the third locking housing 52, so that the trapezoidal protrusions 5211 form a spiral protrusion, and a first groove 4121 is provided at the corresponding position of the second rotating disk 412, and the first groove 4121 and the second protrusion 521 are slidably matched, so that the second rotating disk 412 moves along the direction of the fourth locking housing 22 close to the end of the second long side frame 20, and pushes the second locking joint assembly 40 to disengage and unlock from the third locking housing 52. Through such a configuration, the second rotating disk 412 can smoothly slide in and out along the second protrusion 521 without slipping.

[0100] Through the analysis of the above structure, it can be known that the operation process of using the second unlocking structure 41 to unlock the second locking joint assembly 40 and realize unlocking the second bed leg assembly 80 is as follows:

[0101] Step 1: The third locking joint assembly 90 is unlocked, the first long side frame 10 and the second long side frame 20 are folded, and at the same time, the first bed leg assembly 70 is moved toward the center of the first long side frame 10, and the second bed leg assembly 80 is moved toward the center of the second long side frame 20;

[0102] Step 2: The first long side frame 10 drives the first rotating cam 11 to rotate along the b1 axis. During the rotation of the first rotating cam 11, the first unlocking structure 31 is pushed to move toward the first locking housing 51 until the first locking joint assembly 30 is pushed to disengage from the second locking housing 12 and enter the first locking housing 51, so that the second locking housing 12 and the first locking housing 51 are unlocked;

[0103] Step 3: Use external force to push the first bed leg assembly 70 and the folded first long side frame 10 to rotate relative to the first locking shell 51 along the a1 axis through the second locking shell 12;

[0104] Step 4: When the first bed leg assembly 70 and the folded first long side frame 10 rotate to a preset angle, the driving block 122 in the second locking shell 12 pushes the first protrusion 4111 to rotate, so that the first rotating disk 411 starts to rotate, and the first rotating disk 411 drives the second rotating disk 412 to rotate through the first traction rope 413, and the first groove 4121 on the second rotating disk 412 rotates and slides out along the second protrusion 521, thereby pushing the second locking joint assembly 40 to disengage from the third locking shell 52 and enter the fourth locking shell 22, so that the third locking shell 52 and the fourth locking shell 22 are unlocked;

[0105] Step 5: Push the second bed leg assembly 80 and the folded second long side frame 20 to rotate relative to the third locking shell 52 along the a2 axis through the fourth locking shell 22 to achieve folding of the playbed.

[0106] When the playbed needs to be opened, the opposite steps to folding are adopted, wherein a first spring 301 is provided on one side of the first locking joint assembly 30, and the first locking joint assembly 30 will return to the locked position under the action of the first spring 301. Similarly, a second spring 401 is provided on one side of the second locking joint assembly 40, and the second locking joint assembly 40 will return to the locked position under the action of the second spring 401.

[0107] According to some optional embodiments, when the third locking joint assembly 90 is unlocked, the second locking joint assembly 40 is unlocked through the third unlocking structure 42 to unlock the second bed leg assembly 80, and the first unlocking structure 31 and the third unlocking structure 42 have the same structure, and the fourth locking shell 22 and the second locking shell 12 also have the same structure. In the present application, the third unlocking structure 42 and the second unlocking structure 41 can only select one pair of the second locking joint assembly 40 to unlock, and the two cannot exist at the same time.

[0108] Exemplarily, the third unlocking structure 42 is installed in the fourth locking shell 22 at the end of the second long side frame 20, and the third unlocking structure 42 can move along the axial direction of the fourth locking shell 22. The second rotating cam 21 is located between the second long side frame 20 and the fourth locking shell 22, one end of the third unlocking structure 42 abuts against the second rotating cam 21 of the second long side frame 20, the other end of the second rotating cam 21 is fixedly connected to the second long side frame 20, and the end of the second rotating cam 21 abutting against the third unlocking structure 42 is also rotatably connected to the fourth locking shell 22, and the other end of the third unlocking structure 42 abuts against the second locking joint assembly 40;

[0109] A portion of the second locking joint assembly 40 is installed in the fourth locking housing 22 , and another portion of the second locking joint assembly 40 is installed in the third locking housing 52 .

[0110] Exemplarily, one end of the fourth locking shell 22 is rotationally connected to the second rotating cam 21 of the second long side frame 20 along the b2 axis, and one end of the third locking shell 52 is fixedly connected to the first short side frame 50. The other end of the fourth locking shell 22 is rotationally connected to the other end of the third locking shell 52. Exemplarily, a rotating shaft is provided on the fourth locking shell 22, the third locking shell 52 is rotationally mounted on the rotating shaft, and one end of the second bed leg assembly 80 is fixedly connected to the lower end of the fourth locking shell 22, and when the second bed leg assembly 80 is folded, it can drive the fourth locking shell 22 to rotate relative to the third locking shell 52 through the rotating shaft.

[0111] In the embodiments of the present application, the rotational connection may be a pin connection, and the fixed connection may be a screw, one-piece molding, gluing, snap-on connection or the like.

[0112] When the third locking joint assembly 90 is unlocked, the second rotating cam 21 at the end portion can be driven to rotate when the second long side frame 20 is folded, thereby pushing the third unlocking structure 42 to move in the fourth locking shell 22 in a direction close to the second locking joint assembly 40, pushing the second locking joint assembly 40 to disengage and unlock from the fourth locking shell 22, releasing the lock between the second bed leg assembly 80 and the third locking shell 52, and under the action of external force, the second bed leg assembly 80 and the folded second long side frame 20 can be folded toward the first short side frame 50.

[0113] Through the analysis of the above structure, it can be known that the operation process of using the second unlocking structure 41 to unlock the second locking joint assembly 40 and realize unlocking the second bed leg assembly 80 is as follows:

[0114] Step 1: The third locking joint assembly 90 is unlocked, the first long side frame 10 and the second long side frame 20 are folded, and at the same time, the first bed leg assembly 70 is moved toward the center of the first long side frame 10, and the second bed leg assembly 80 is moved toward the center of the second long side frame 20;

[0115] Step 2: The first long side frame 10 drives the first rotating cam 11 to rotate along the b1 axis. During the rotation of the first rotating cam 11, the first unlocking structure 31 is pushed to move toward the first locking housing 51 until the first locking joint assembly 30 is pushed to disengage from the second locking housing 12 and enter the first locking housing 51, so that the second locking housing 12 and the first locking housing 51 are unlocked;

[0116] At the same time, the second long side frame 20 drives the second rotating cam 21 to rotate along the b2 axis. During the rotation of the second rotating cam 21, the third unlocking structure 42 is pushed to move toward the third locking shell 52 until the second locking joint assembly 40 is pushed to disengage from the fourth locking shell 22 and enter the third locking shell 52, so that the third locking shell 52 and the fourth locking shell 22 are unlocked.

[0117] The first bed leg assembly 70 and the second bed leg assembly 80 are unlocked at the same time.

[0118] Step 3: Use external force to push the first bed leg assembly 70 and the folded first long side frame 10 to rotate along the a1 axis relative to the first locking shell 51 through the second locking shell 12, and / or use external force to push the second bed leg assembly 80 and the folded second long side frame 20 to rotate along the a2 axis relative to the third locking shell 52 through the fourth locking shell 22.

[0119] According to some optional embodiments, the third locking joint assembly 90 is installed in the middle of the first long side frame 10 and the second long side frame 20, and the third locking joint assembly 90 is symmetrically arranged about the middle of the first long side frame 10 and the second long side frame 20, so that the first long side frame 10 and the second long side frame 20 can be symmetrically folded about the third locking joint assembly 90. The structure and unlocking method of the third locking joint assembly 90 installed on the first long side frame and the second long side frame 20 are the same, and the installation and unlocking of the third locking joint assembly 90 on the first long side frame 10 are described as an example in this application.

[0120] According to some optional embodiments, the third locking joint assembly 90 includes a pressing seat 91 and a pressing member 92, the pressing seat 91 is installed on the first long side frame 10, the end of the first long side frame 10 can rotate relative to the pressing seat 91, the pressing member 92 is installed on the first long side frame 10 through the pressing seat 91, and the pressing member 92 can move along the axis of the pressing seat 91. Specifically, the pressing member 92 moves in the radial direction of the first long side frame 10;

[0121] A sliding block 93, which is slidably mounted in the first long side frame 10 and can move along the axial direction of the first long side frame 10, with one end of the sliding block 93 abutting against the top of the pressing member 92;

[0122] The rotating wheel 94 is mounted on the sliding block 93, and the rotating wheel 94 is fixedly mounted on the first long side frame 10. Exemplarily, a mounting groove is provided on the sliding block 93, the rotating wheel 94 is located in the mounting groove, and a pin passes through the sliding block 93 and the rotating wheel 94 in sequence to be connected to the first long side frame 10, and the rotating wheel 94 can rotate around the pin.

[0123] The second traction rope 95 may be a steel wire rope. One end of the second traction rope 95 is wound around the rotating wheel 94 and fixedly mounted on the sliding block 93 , and the other end is fixedly mounted on the locking tongue 96 , which is plugged into the second locking housing 12 of the first long side frame 10 .

[0124] When external force is applied to press the pressing member 92, the top of the pressing member 92 pushes the sliding block 93 to move away from the pressing member 92, thereby driving the second traction rope 95 to rotate toward the pressing member 92. The second traction rope 95 pulls the locking tongue 96 out of the second locking shell 12, thereby unlocking the second locking shell 12 and the first rotating cam 11 in the first long side frame 10.

[0125] According to some optional embodiments, the third locking joint assembly 90 further includes a fixing member 97, which is rotatably mounted on the pressing seat 91, and the fixing member 97 abuts against the top surface of the sliding block 93. When the pressing member 92 moves to a preset position, the end of the pressing member 92 is engaged with the fixing member 97. With such a configuration, the pressing member 92 will remain in the unlocked position after being unlocked, and the situation where one end of the first long side frame 10 or the second long side frame 20 is unlocked and then locked will not occur, and there is no need to unlock again.

[0126] According to some optional embodiments, the lower end of the fixing member 97 is provided with a clamping portion 971, which is hook-shaped and located at one side of the fixing member 97. The clamping portion 971 is located on the edge of the lower surface of the fixing member 97 and is perpendicular to the lower surface. The clamping portion 971 is adjacent to the side of the pressing member 92 and forms a guide groove 972 with the lower surface of the fixing member 97, and the sliding block 93 can slide along the guide groove 972. The setting of the guide groove 972 facilitates the sliding block 93 to slide along a preset direction. A clamping groove 921 is provided on one side of the end of the pressing member 92 to cooperate with the clamping portion 971, so as to lock the pressing member 92.

[0127] In some optional embodiments, a return spring 973 is provided on the upper surface of the fixing member 97 to help the fixing member 97 to return to its original position.

[0128] It should be noted that, in this article, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including 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, the elements defined by the sentence "comprise one..." do not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0129] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A foldable playbed, characterized in that: include: A first long side frame (10) and a second long side frame (20), wherein two ends of the first long side frame (10) are connected to a first locking joint assembly (30), and two ends of the second long side frame (20) are connected to a second locking joint assembly (40); A first short side frame (50) and a second short side frame (60), wherein two ends of the first short side frame (50) and the second short side frame (60) are respectively connected to the corresponding first locking joint assembly (30) and the second locking joint assembly (40); The first bed leg assembly (70) is fixedly connected to the first long side frame (10), and the second bed leg assembly (80) is fixedly connected to the second long side frame (20); a third locking joint assembly (90), the third locking joint assembly (90) being respectively mounted on the first long side frame (10) and the second long side frame (20), the third locking joint assembly (90) being unlockable to allow the first long side frame (10) and the second long side frame (20) to be folded, When the third locking joint assembly (90) is unlocked, it can at least unlock one of the first locking joint assembly (30) and the second locking joint assembly (40) in a linked manner, so that the first bed leg assembly (70) and the second bed leg assembly (80) can be folded.

2. The playbed according to claim 1, characterized in that: When the third locking joint assembly (90) is unlocked, the first locking joint assembly (30) is unlocked via the first unlocking structure (31), thereby achieving folding of the first bed leg assembly (70).

3. The playbed according to claim 2, characterized in that: The first unlocking structure (31) is installed in a second locking shell (12) at the end of the first long side frame (10), and one end of the first unlocking structure (31) abuts against the first rotating cam (11) of the first long side frame (10), and the other end abuts against the first locking joint assembly (30); Part of the first locking joint assembly (30) is installed in the second locking housing (12), and the other part is installed in the first locking housing (51); When the first long side frame (10) is folded, it drives the first rotating cam (11) to rotate, causing the first unlocking structure (31) to move inside the second locking shell (12), thereby pushing the first locking joint assembly (30) to disengage and unlock from the second locking shell (12).

4. The playbed according to claim 2 or 3, characterized in that: When the third locking joint assembly (90) is unlocked, the second locking joint assembly (40) is unlocked via the second unlocking structure (41), thereby achieving unlocking of the second bed leg assembly (80).

5. The playbed according to claim 4, characterized in that: The second unlocking structure (41) comprises: a first rotating disk (411) and a second rotating disk (412), wherein the first rotating disk (411) is connected to the second rotating disk (412) via a first traction rope (413); Part of the first rotating disk (411) is installed in a first locking housing (51) at one end of the first short side surrounding frame (50), and the other part is installed in a second locking housing (12) adjacent to the end of the first long side surrounding frame (10). The second rotating disk (412) is installed in the third locking shell (52) at the other end of the first short side frame (50), and the side of the second rotating disk (412) away from the third locking shell (52) is in contact with the second locking joint assembly (40); When the first bed leg assembly (70) is folded to a preset angle, it drives the second locking shell (12) to rotate, thereby driving the first rotating disk (411) and the second rotating disk (412) to rotate to unlock the second locking joint assembly (40).

6. The playbed according to claim 5, characterized in that: A rotation groove (121) is provided on the inner wall of the second locking shell (12) adjacent to the first locking shell (51), and a driving block (122) is arranged at intervals on the rotation groove (121); a first protrusion (4111) is provided on one side of the first rotating disk (411) adjacent to the second locking shell (12), and the first protrusion (4111) is slidably installed in the rotation groove (121), and when the driving block (122) rotates to a preset angle, it can abut against the first protrusion (4111) and drive the first rotating disk (411) and the second rotating disk (412) to rotate.

7. The playbed according to claim 5 or 6, characterized in that: A second protrusion (521) is provided on the inner wall of the third locking shell (52) opposite to the second rotating disk (412), and a first groove (4121) is provided at the corresponding position of the second rotating disk (412). The first groove (4121) and the second protrusion (521) are slidably matched to make the second rotating disk (412) move along the direction of the fourth locking shell (22) close to the end of the second long side frame (20), pushing the second locking joint assembly (40) to disengage and unlock from the third locking shell (52).

8. The playbed according to claim 2 or 3, characterized in that: When the third locking joint assembly (90) is unlocked, the second locking joint assembly (40) is unlocked through the third unlocking structure (42), thereby unlocking the second bed leg assembly (80), and the first unlocking structure (31) and the third unlocking structure (42) are identical in structure.

9. The playbed according to claim 1, wherein: The third locking joint assembly (90) comprises a pressing seat (91) and a pressing member (92), wherein the pressing member (92) is mounted on the first long side frame (10) through the pressing seat (91), and the pressing member (92) moves along the radial direction of the first long side frame (10); A sliding block (93), the sliding block (93) being slidably mounted in the first long side frame (10), one end of the sliding block (93) being in contact with the top of the pressing member (92); A rotating wheel (94), the rotating wheel (94) being mounted on the sliding block (93), and the rotating wheel (94) being fixedly mounted on the first long side frame (10); A second traction rope (95), one end of which is wound around the rotating wheel (94) and fixedly mounted on the sliding block (93), and the other end of which is fixedly mounted on a locking tongue (96), and the locking tongue (96) is plugged into a second locking shell (12) at the end of the first long side frame (10).

10. The play yard according to claim 9, characterized in that: The third locking joint assembly (90) further comprises a fixing member (97), wherein the fixing member (97) is mounted on the pressing seat (91), and the fixing member (97) abuts against the top of the sliding block (93), and the pressing member (92) moves to a preset position to engage with the fixing member (97); and / or, A clamping portion (971) is provided at the lower end of the fixing member (97), and the clamping portion (971) is located on one side of the fixing member (97), and a side of the clamping portion (971) adjacent to the pressing member (92) forms a guide groove (972) with the lower surface of the fixing member (97), and the sliding block (93) can slide along the guide groove (972).

Images