Sleep box support convenient to fold and carrier using sleep box support

Abstract

The utility model relates to the technical field of children products, in particular to a sleeping box support convenient to fold and a carrier using the sleeping box support, and the sleeping box support comprises a bustle pipe assembly, a bearing assembly, a bustle pipe locking assembly and a connecting rod mechanism. The bustle pipe unlocking assembly comprises a front bustle pipe and a rear bustle pipe, the bearing assembly is arranged below the bustle pipe assembly and at least comprises a front bottom plate and a rear bottom plate which are located below the front bustle pipe and the rear bustle pipe respectively, the front bottom plate and the rear bottom plate are directly or indirectly hinged, and the bustle pipe assembly suspends the bearing assembly below the bustle pipe assembly through a connecting rod mechanism. The bustle pipe unlocking assembly is arranged on the bustle pipe assembly and used for being in linkage with the bustle pipe locking assembly to relieve the locking state of the front bustle pipe. The locking state of the bustle pipe locking assembly on the front bustle pipe can be unlocked through the bustle pipe unlocking assembly, the front bustle pipe can be pulled to draw close to the rear bustle pipe for storage, the front bottom plate and the rear bottom plate are driven to be folded through the connecting rod mechanism, operation of a user is facilitated, storage and folding of the sleeping box support are achieved, and the sleeping box support is convenient to carry and store by the user.

Description

Technical Field

[0001] The utility model relates to the technical field of children's products, in particular to a collapsible sleeping box bracket and a vehicle using the sleeping box bracket.

Background Art

[0002] Infant carriers such as baby sleeping boxes, seats, etc. can be used alone or connected to a child stroller frame to facilitate carrying children.

[0003] However, existing sleeping boxes can generally only be folded in the up-and-down direction, that is, the frame and the sleeping board are folded together vertically. For example, a collapsible sleeping basket disclosed in the patent application No. "202321087498.0" is folded into a flat structure in the up-and-down direction. Since the sleeping board and the frame cannot be folded longitudinally, the maximum outer contour size after folding remains unchanged, and there are still defects in inconvenient storage and carrying. Of course, for other sleeping baskets, the sleeping board and the frame are folded longitudinally, but the existing structures of this type have poor linkage during folding and still occupy a large space after folding.

[0004] In addition, if an existing sleeping box is used by connecting it to a child stroller frame, when folding the child stroller frame, the sleeping box needs to be disassembled first, that is, the sleeping box and the child stroller frame are folded separately. For example, an installation and adaptation structure of an infant carrier and a baby sleeping box disclosed in the patent application No. "202222131936.0" cannot be folded by itself as shown in its attached drawings. When used on a child stroller frame, it will occupy a particularly large space and is inconvenient to carry. For example, when going out, it is difficult to put it into the trunk of a car for carrying, and the use is very inconvenient.

[0005] In view of the above technical problems, the present utility model is specifically studied and proposed.

Content of the Utility Model

[0006] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a collapsible sleeping box bracket, including:

[0007] A surrounding tube assembly, including a front surrounding tube and a rear surrounding tube. The two ends of the front surrounding tube are hinged to the two ends of the rear surrounding tube and can rotate around a pivot axis a;

[0008] A bearing assembly, disposed below the surrounding tube assembly, at least including a front bottom plate and a rear bottom plate respectively located below the front surrounding tube and the rear surrounding tube. The front bottom plate and the rear bottom plate are directly or indirectly hinged and can rotate around a pivot axis b;

[0009] A surrounding tube locking assembly, which is arranged between the front surrounding tube and the rear surrounding tube and is used to lock the front surrounding tube relative to the rear surrounding tube;

[0010] The connecting rod mechanism is used to suspend the bearing assembly below the enclosure tube assembly through the connecting rod mechanism. The connecting rod mechanism is configured to: when the front enclosure tube is flipped and moved closer to the rear enclosure tube, the front bottom plate and the rear bottom plate are respectively moved closer to the corresponding front enclosure tube and rear enclosure tube;

[0011] The enclosure unlocking assembly is arranged on the enclosure assembly and is used to link the enclosure locking assembly to release the locking state of the front enclosure tube, so that the front enclosure tube can be relatively folded toward the rear enclosure tube, thereby driving the front bottom plate and the rear bottom plate to be folded accordingly.

[0012] As described above, the easily foldable sleeping box bracket, the connecting rod mechanism is also configured to: when the front surrounding tube is flipped and moved closer to the rear surrounding tube, it is used to link the front bottom plate to move closer to the rear bottom plate and reduce the upper and lower distances between the pivot axis a and the pivot axis b.

[0013] The easily foldable sleeping box bracket as described above further comprises a support assembly detachably connected to the baby carriage frame, and the support assembly is relatively fixedly connected to the end of the rear enclosure tube.

[0014] The foldable sleeping box bracket as described above, the connecting rod mechanism includes a front connecting rod assembly, a rear connecting rod assembly, and a connecting rod linkage assembly connecting the front connecting rod assembly and the rear connecting rod assembly;

[0015] The front connecting rod assembly includes an upper connecting rod hinged to the front enclosure tube, a lower connecting rod hinged to the front bottom plate, and a top rod hinged to the rear enclosure tube directly or indirectly at the rear end, and the lower end of the upper connecting rod, the upper end of the lower connecting rod, and the front end of the top rod are hinged to each other;

[0016] The rear connecting rod assembly includes at least two rear connecting rods arranged in parallel, and the upper and lower ends of the two rear connecting rods are respectively hinged to the rear surrounding tube and the rear bottom plate;

[0017] The connecting rod linkage assembly includes an active transmission rod synchronously arranged at the end of the front enclosure tube, a driven transmission rod is hinged on the free end of the active transmission rod, and the other end of the driven transmission rod extends obliquely toward the rear bottom plate and is hinged to the rear connecting rod assembly.

[0018] The foldable sleeping box bracket as described above, the bearing assembly also includes a middle bottom plate, and the two sides of the middle bottom plate are respectively hinged to the corresponding front bottom plate and rear bottom plate;

[0019] The lower part of the driven transmission rod is hinged to the rear connecting rod assembly, an intermediate connecting rod is hinged to the intermediate bottom plate, and the upper end of the intermediate connecting rod is hinged to the lower end of the driven transmission rod.

[0020] The foldable sleeping box bracket as described above, the support assembly includes a support arm and a support joint, the support joint is arranged at the lower part of the support arm, the support joint includes a support arm joint block, a frame connection joint block and a support joint locking mechanism arranged between the support arm joint block and the frame connection joint block, the frame connection joint block is detachably connected to the baby carriage frame, and a joint linkage unlocking assembly is arranged between the support joint and the front and rear tubes, and the joint linkage unlocking assembly is configured as follows: when the front tube is folded to a preset angle relative to the rear tube, the support joint is linked to be unlocked, so that the rear tube and the sleeping box bracket are flipped and folded relative to the baby carriage frame.

[0021] The sleeping box bracket that is easy to fold as described above, the support joint locking mechanism includes a support joint locking tooth block, a support joint tooth groove and a support joint reset piece, the support arm joint block and the frame connection joint block are both provided with support joint tooth grooves, and the support joint locking tooth block can be simultaneously engaged with the support joint tooth grooves on the support arm joint block and the frame connection joint block, and the support joint reset piece is placed between the support joint locking tooth block and the frame connection joint block;

[0022] The joint linkage unlocking component includes a guide groove arranged on the end of the rear surrounding tube and a support joint unlocking block arranged in the support joint for pushing the support joint locking tooth block out of the support joint tooth groove of the support arm joint block; a joint linkage slider is movably arranged in the guide groove; a flexible linkage part is arranged between the support joint unlocking block and the joint linkage slider; mutually abutting and cooperating support joint unlocking inclined surfaces are arranged between the support joint unlocking block and the opposite sides of the support arm joint block; a support joint unlocking protrusion is arranged on the end of the front surrounding tube for pushing the joint linkage slider to slide when the front surrounding tube is close to and folded to a preset angle relative to the rear surrounding tube.

[0023] As described above, the sleeping box support that is easy to fold, the support arm can be raised and lowered relative to the support joint.

[0024] The foldable sleeping box bracket as described above also includes a support rod, an end of the support rod and the end of the front surrounding tube are pivotally connected to each other, a support rod locking mechanism for locking the support rod relative to the front surrounding tube is provided between the support rod and the front surrounding tube, the support rod locking mechanism is configured to be linked with the surrounding tube unlocking assembly and the surrounding tube locking assembly accordingly, and the surrounding tube unlocking assembly first links the support rod locking mechanism to unlock, and then the support rod locking mechanism links the surrounding tube locking assembly to unlock.

[0025] As described above, the foldable sleeping box bracket has a strut end provided with a strut unlocking assembly for linking the strut locking mechanism to independently release the strut locking state. The strut unlocking assembly includes a strut unlocking piece movably provided on the strut end for unlocking the strut locking mechanism and a strut resetting piece for resetting the strut unlocking piece.

[0026] The collapsible sleeping box support as described above, the strut locking mechanism includes a strut locking block for locking the strut relative to the front enclosure tube, the enclosure tube locking assembly includes a chuck for locking the front enclosure tube relative to the rear enclosure tube, the strut locking block can act on the chuck to move axially away from one side of the end of the front enclosure tube, the enclosure tube unlocking assembly includes a pressure plate rotatably engaged with the end of the front enclosure tube, several first inclined surfaces are formed on the pressure plate, and several second inclined surfaces are provided on the end of the front enclosure tube for abutting and cooperating with the first inclined surfaces when the pressure plate rotates, so that the pressure plate moves axially and then pushes the strut locking block and the chuck to release the locked state of the strut and the front enclosure tube accordingly. And the minimum stroke for the strut locking block to move axially to release the locked state of the strut is L1, and the minimum stroke for the chuck to move axially to release the locked state of the front enclosure tube is L2, then: L2 > L1.

[0027] The collapsible sleeping box support as described above, the strut locking mechanism further includes a strut slot provided at the end of the strut and a limit through hole provided at the end of the front enclosure tube. One end side of the strut locking block abuts against the chuck, a limit slot is provided along the circumferential direction inside the limit through hole, and strut teeth are provided on the strut locking block that can be simultaneously engaged with the strut slot and the limit slot;

[0028] The enclosure tube unlocking assembly further includes a handle provided on the front enclosure tube or the rear enclosure tube and a flexible connecting member provided between the handle and the pressure plate for pulling the pressure plate to rotate;

[0029] A strut unlocking linkage portion is provided on the strut locking block. Both sides of the strut unlocking linkage portion abut against the chuck and the pressure plate respectively. And when the pressure plate is rotated by the flexible connecting member to generate axial movement, the strut unlocking linkage portion drives the strut locking block and the abutting chuck to move axially accordingly, and then releases the locked states of the strut and the front enclosure tube successively.

[0030] The collapsible sleeping box support as described above, the enclosure tube locking assembly includes a rear rotating portion provided at the end of the rear enclosure tube, a front rotating portion provided at the end of the front enclosure tube. The front rotating portion and the rear rotating portion are rotatably connected by a pivot shaft a. Chucks are provided on the front rotating portion and the rear rotating portion. Several teeth are formed on the circumference of the chuck. A front slot is formed on the front rotating portion, and a rear slot is formed on the rear rotating portion. An elastic member is provided between the chuck and the rear rotating portion for elastically acting on the chuck so that the teeth are simultaneously engaged with the front slot and the rear slot to limit the relative rotation of the front rotating portion and the rear rotating portion. The enclosure tube unlocking assembly is connected to the chuck and can drive the chuck to axially displace to compress the elastic member so that the teeth disengage from the front slot;

[0031] The enclosure tube unlocking assembly includes a pressure plate rotatably engaged with the front rotating portion, a handle provided on the front enclosure tube or the rear enclosure tube, and a flexible connecting member provided between the handle and the pressure plate. Several first inclined surfaces are formed on the pressure plate, and several second inclined surfaces are provided on the front rotating portion for abutting and cooperating with the first inclined surfaces when the pressure plate rotates, so that the pressure plate moves axially.

[0032] The present utility model further provides a vehicle using the collapsible sleeping box bracket described above, including a baby carriage frame having a frame joint. The baby carriage frame can be in a deployed and locked state or an unlocked and collapsible state through the frame joint, and a connection adapter for detachably connecting to a frame connection joint block is provided on the baby carriage frame.

[0033] For a vehicle as described above, a frame unlocking member for unlocking the frame joint to collapse the baby carriage frame is provided on the frame joint, and a frame unlocking trigger member for driving the frame unlocking member to release the locked state of the frame joint when the rear enclosure pipe and the support arm joint block are flipped to a preset angle relative to the baby carriage frame to unlock is provided on the support arm joint block.

[0034] Compared with the prior art, the collapsible sleeping box bracket of the present utility model and the vehicle using the sleeping box bracket have the following advantages:

[0035] 1. For the collapsible sleeping box bracket of the present utility model, when the entire sleeping box needs to be stored, the locking state of the front enclosure pipe by the enclosure pipe locking assembly can be unlocked through the enclosure pipe unlocking assembly, the front enclosure pipe can be pulled towards the rear enclosure pipe for storage, and the front bottom plate and the rear bottom plate can be driven by the link mechanism to fold, which is convenient for users to operate, realizes the storage and folding of the sleeping box bracket, and is convenient for users to carry and store.

[0036] 2. For the collapsible sleeping box bracket of the present utility model, while the link mechanism drives the front bottom plate and the rear bottom plate to fold, the link mechanism itself can also be folded in the up and down direction, and can be folded in a way of folding in half while folding in the up and down direction, so that the space occupied by the entire folded sleeping box bracket can be smaller, which is convenient for users to carry and store.

[0037] 3. For the collapsible sleeping box bracket of the present utility model, the strut can also be unlocked by the enclosure pipe unlocking assembly while unlocking the front enclosure pipe, achieving the effect of one-key storage, greatly facilitating the operation of users and saving the cumbersome folding steps.

[0038] 4. For the vehicle of the present utility model, by using the above-mentioned sleeping box bracket, the baby carriage frame can be driven to fold synchronously, and the connection adapter can be unlocked, so that the entire sleeping box bracket can be in a detachable state. In this way, the entire sleeping box bracket can be folded while the entire baby carriage frame can be folded at the same time, realizing one-key folding, which is convenient for users to operate, and the entire folded baby carriage is also convenient for users to store and carry.

Description of the Drawings

[0039] The following further describes in detail the specific embodiments of the present utility model with reference to the drawings, where:

[0040] Figure 1 It is a schematic structural diagram of the stroller frame in the present utility model.

[0041] Figure 2 It is a schematic structural diagram of the linkage mechanism in the present utility model.

[0042] Figure 3 It is a schematic structural diagram of the pipe enclosure locking assembly in the present utility model.

[0043] Figure 4 It is a schematic structural diagram of the support assembly in the present utility model.

[0044] Figure 5 It is a schematic structural diagram of the pipe enclosure unlocking assembly in the present utility model.

[0045] Figure 6 It is a schematic structural diagram of the strut locking mechanism in the present utility model.

[0046] Figure 7 It is a schematic structural diagram of the strut locking block in the present utility model.

[0047] Figure 8 It is a schematic structural diagram of the strut cogs in the present utility model.

[0048] Figure 9 It is a schematic structural diagram of the cogs being inserted into the front rotating part in the present utility model.

[0049] Figure 10 It is a schematic structural diagram of the pressure plate in the present utility model.

[0050] Figure 11 It is a schematic structural diagram of the front rotating part in the present utility model.

[0051] Figure 12 It is another schematic structural diagram of the support assembly in the present utility model.

[0052] Figure 13 It is a schematic structural diagram of the support joint unlocking protrusion in the present utility model.

[0053] Figure 14 It is a schematic structural diagram of the support joint locking mechanism in the present utility model.

[0054] Figure 15 It is a schematic structural diagram of the support joint unlocking block in the present utility model.

[0055] Figure 16 It is a schematic structural diagram of the support arm in the present utility model.

[0056] Figure 17 It is a schematic structural diagram of the cotter pin in the present utility model.

[0057] Figure 18It is a schematic structural diagram of the support arm unlocking component in the present utility model.

[0058] Figure 19 It is a schematic structural diagram of the tension and compression member in the present utility model.

[0059] Figure 20 It is another schematic structural diagram of the baby carriage frame in the present utility model.

[0060] Figure 21 is Figure 20 an enlarged schematic structural diagram of part A in

Specific Embodiment

[0061] The following will make a detailed description of the embodiments of the present utility model in conjunction with the accompanying drawings.

[0062] As Figure 1-21 shown, the present utility model includes a collapsible sleeping box support, which includes a surrounding tube assembly 1, a bearing assembly 2, a surrounding tube locking assembly 3, a connecting rod mechanism 4, and a surrounding tube unlocking assembly 5.

[0063] Among them, the surrounding tube assembly 1 includes a front surrounding tube 10 and a rear surrounding tube 11. The two ends of the front surrounding tube 10 are hinged to the two ends of the rear surrounding tube 11 and can rotate around the pivot axis a200.

[0064] The bearing assembly 2 is arranged below the surrounding tube assembly 1 and at least includes a front bottom plate 20 and a rear bottom plate 21 respectively located below the front surrounding tube 10 and the rear surrounding tube 11. The front bottom plate 20 and the rear bottom plate 21 are directly or indirectly hinged and can rotate around the pivot axis b201. The front surrounding tube 10, the rear surrounding tube 11, the front bottom plate 20, and the rear bottom plate 21 enclose a bearing area. When in use, a cloth or other structure can be arranged between the surrounding tube assembly 1 and the bearing assembly 2 for shielding.

[0065] The surrounding tube locking assembly 3 is arranged between the front surrounding tube 10 and the rear surrounding tube 11 and is used to lock the front surrounding tube 10 relative to the rear surrounding tube 11. In order to relatively fix the front surrounding tube 10 and the rear surrounding tube 11 during use, therefore, it is necessary to fix the two through the surrounding tube locking assembly 3.

[0066] The connecting rod mechanism 4 suspends the bearing assembly 2 below the surrounding tube assembly 1 through the connecting rod mechanism 4. The connecting rod mechanism 4 is configured such that when the front surrounding tube 10 rotates and closes relative to the rear surrounding tube 11, it is used to drive the front bottom plate 20 and the rear bottom plate 21 to approach the corresponding front surrounding tube 10 and rear surrounding tube 11 respectively. The connecting rod mechanism 4 mainly has two functions: one is to connect the surrounding tube assembly 1 and the bearing assembly 2 and suspend the bearing assembly 2 through the connecting rod mechanism 4; the other is to fold and store the front surrounding tube 10 and the rear surrounding tube 11, and also fold and store the front bottom plate 20 and the rear bottom plate 21 through the connecting rod mechanism 4.

[0067] The pipe surrounding unlocking assembly 5 is arranged on the pipe surrounding assembly 1 and is used to link the pipe surrounding locking assembly 3 to release the locking state of the front pipe surrounding 10, so that the front pipe surrounding 10 can move relatively closer to the rear pipe surrounding 11 for folding, and then drive the front bottom plate 20 and the rear bottom plate 21 to move closer and fold accordingly.

[0068] When the entire sleeping box of the present utility model needs to be stored, the pipe surrounding unlocking assembly 5 can unlock the locking state of the pipe surrounding locking assembly 3 on the front pipe surrounding 10, so that the front pipe surrounding 10 can be pulled closer to the rear pipe surrounding 11 for storage, and the front bottom plate 20 and the rear bottom plate 21 can be driven by the link mechanism 4 to fold, realizing one-step storage and folding, which is convenient for users to operate, and the sleeping box bracket can be folded, facilitating storage by users.

[0069] As a further solution of this embodiment, the link mechanism 4 is further configured such that while the front pipe surrounding 10 flips and closes relative to the rear pipe surrounding 11, it is used to link the front bottom plate 20 to move closer to the rear bottom plate 21 in opposite directions, and the vertical distance between the pivot shaft a200 and the pivot shaft b201 becomes smaller. During storage, the link mechanism 4 can drive the front bottom plate 20 and the rear bottom plate 21 to move in opposite directions simultaneously, making the folding smoother. At the same time, after the vertical distance between the pivot shaft a200 and the pivot shaft b201 becomes smaller, the folding can be closer, and the space occupied by the entire folded sleeping box bracket can be smaller.

[0070] Please refer to Figure 4 As a further solution of this embodiment, it further includes a support assembly 6 detachably connected to the baby carriage frame 100, and the support assembly 6 is relatively fixedly connected to the end of the rear pipe surrounding 11.

[0071] Please refer to Figure 2 As a further solution of this embodiment, the link mechanism 4 includes a front link assembly 40, a rear link assembly 41, and a link linkage assembly 42 connecting the front link assembly 40 and the rear link assembly 41.

[0072] The front link assembly 40 includes an upper link 401 hinged to the front pipe surrounding 10, a lower link 402 hinged to the front bottom plate 20, and a top rod 403 directly or indirectly hinged to the rear pipe surrounding 11 at the rear end, and the lower end of the upper link 401, the upper end of the lower link 402, and the front end of the top rod 403 are hinged to each other.

[0073] The rear link assembly 41 includes at least two parallel rear links 410, and the upper and lower ends of the two rear links 410 are respectively hinged to the rear pipe surrounding 11 and the rear bottom plate 21. The rear link assembly 41 can play a role in suspending the rear bottom plate 21. Cooperating with the front link assembly 40, the entire bearing assembly 2 can be suspended. Setting two parallel rear links 410 can make the rear bottom plate 21 more stable and keep it parallel to the rear pipe surrounding 11 during movement.

[0074] The connecting rod linkage assembly 42 includes a driving transmission rod 420 disposed coaxially at the end of the front enclosure tube 10. A driven transmission rod 421 is hinged to the free end of the driving transmission rod 420. The other end of the driven transmission rod 421 extends obliquely backward to the rear floor 21 and is hinged to the rear connecting rod assembly 41.

[0075] During the process of storing the entire sleeping box, after unlocking the enclosure locking assembly 3 through the enclosure unlocking assembly 5, the front enclosure tube 10 can be rotated upward so that the front enclosure tube 10 rotates around the pivot axis a200. At this time, the driving transmission rod 420 drives the driven transmission rod 421 to move, and the driven transmission rod 421 can be directly or indirectly hinged to one of the rear connecting rods 410 in the rear connecting rod assembly 41, and the rear floor 21 is driven to move by the rear connecting rod 410. At the same time, since the front enclosure tube 10 is rotated, the top rod 403 will press against the hinge joint of the upper connecting rod 401, the lower connecting rod 402 and the top rod 403 to form a folded state, so that the front floor 20 will also be stored and folded under the drive of the front connecting rod assembly 40.

[0076] Please refer to Figure 5 , as a further solution of this embodiment, since the entire sleeping box bracket will also occupy a certain space after being folded and stored, in order to better accommodate the connecting rod mechanism 4, therefore, the bearing assembly 2 further includes an intermediate floor 22, and both sides of the intermediate floor 22 are respectively hinged to the corresponding front floor 20 and rear floor 21. After the intermediate floor 22 is provided, after the front floor 20 and the rear floor 21 are folded, there will be a certain interval between the two, which can facilitate the accommodation of the connecting rod mechanism 4. At the same time, it can also make the entire folded frame more beautiful and prevent the problem of narrow hinge joints at the bottom and too large opening at the top between the front floor 20 and the rear floor 21.

[0077] The lower part of the driven transmission rod 421 is hinged to the rear connecting rod assembly 41, and an intermediate connecting rod 422 is hinged to the intermediate floor 22. The upper end of the intermediate connecting rod 422 is hinged to the lower end of the driven transmission rod 421. Since the intermediate floor 22 may be unstable during the movement after the intermediate floor 22 is provided, the intermediate connecting rod 422 is provided in this embodiment to be connected to the driven transmission rod 421. In this way, during the movement, the driven transmission rod 421 can drive the intermediate connecting rod 422 to move at the same time, and then drive the intermediate floor 22 to move simultaneously, so that the front floor 20, the intermediate floor 22 and the rear floor 21 can be linked simultaneously.

[0078] Please refer to Figures 12-15, as a further solution of this embodiment, the support assembly 6 includes a support arm 61 and a support joint 62. The support joint 62 is disposed at the lower part of the support arm 61. The support joint 62 includes a support arm joint block 621, a frame connection joint block 622, and a support joint locking mechanism 623 disposed between the support arm joint block 621 and the frame connection joint block 622. The frame connection joint block 622 is detachably connected to the baby carriage frame 100. And an articulated linkage unlocking assembly 60 is provided between the support joint 62 and the front enclosure pipe 10 and the rear enclosure pipe 11. And the articulated linkage unlocking assembly 60 is configured to: when the front enclosure pipe 10 approaches and folds towards the rear enclosure pipe 11 to a preset angle, the support joint 62 is unlocked in a linkage manner, so that the rear enclosure pipe 11 and the sleeping box bracket are flipped and folded relative to the baby carriage frame 100.

[0079] In this embodiment, by providing the detachable connection between the frame connection joint block 622 and the baby carriage frame 100, it is convenient for the user to install the entire sleeping box bracket into the baby carriage frame 100. And when folding the sleeping box bracket, the locking of the support joint locking mechanism 623 on the support arm joint block 621 can be unlocked through the articulated linkage unlocking assembly 60, so that the entire sleeping box bracket can rotate relative to the frame connection joint block 622 through the support arm joint block 621. Thus, after the entire sleeping box bracket is folded, it can also be folded towards the baby carriage frame 100. In this way, the occupied space after folding will be smaller, which is convenient for the user to carry.

[0080] , as a further solution of this embodiment, the support joint locking mechanism 623 includes a support joint locking tooth block 6231, a support joint tooth groove 6232, and a support joint resetting member 6233. Support joint tooth grooves 6232 are provided on both the support arm joint block 621 and the frame connection joint block 622. And the support joint locking tooth block 6231 can be simultaneously clamped in the support joint tooth grooves 6232 on the support arm joint block 621 and the frame connection joint block 622. The support joint resetting member 6233 is disposed between the support joint locking tooth block 6231 and the frame connection joint block 622.

[0081] When the support joint locking mechanism 623 locks the support arm joint block 621, the support joint locking tooth block 6231 is simultaneously clamped in the support joint tooth grooves 6232 on the support arm joint block 621 and the frame connection joint block 622. Since the frame connection joint block 622 is fixedly connected to the baby carriage frame 100, the support arm joint block 621 is also fixed relative to the baby carriage frame 100. It should be noted that the support joint resetting member 6233 can be a component such as a spring or a disc spring that can reset the support joint locking tooth block 6231.

[0082] The joint linkage unlocking assembly 60 includes a guiding chute 601 provided at the end of the rear enclosure pipe 11 and a support joint unlocking block 602 provided in the support joint 62 for pushing the support joint locking tooth block 6231 out of the support joint tooth groove 6232 of the support arm joint block 621. A joint linkage slider 603 is movably arranged in the guiding chute 601. A flexible linkage member 604 is provided between the support joint unlocking block 602 and the joint linkage slider 603. A support joint unlocking inclined surface 605 for mutual abutting and cooperation is provided between the support joint unlocking block 602 and the opposite side of the support arm joint block 621. A support joint unlocking protrusion 606 for pushing the joint linkage slider 603 to slide when the front enclosure pipe 10 approaches and folds relative to the rear enclosure pipe 11 to a preset angle is provided at the end of the front enclosure pipe 10.

[0083] When unlocking the front enclosure pipe 10, rotate the front enclosure pipe 10. The front enclosure pipe 10 drives the joint linkage slider 603 to move in the guiding chute 601 through the support joint unlocking protrusion 606, and then drives the support joint unlocking block 602 to rotate through the flexible linkage member 604. The rotation of the support joint unlocking block 602 cooperates with the support joint unlocking inclined surface 605, and then pushes the support joint locking tooth block 6231 out of the support arm joint block 621, so that the support arm joint block 621 can be unlocked. It should be noted that the flexible linkage member 604 can use a steel wire rope.

[0084] Please refer to Figures 16 to 19 As a further solution of this embodiment, the support arm 61 can be adjusted in height relative to the support joint 62. By setting the support arm 61 and the support joint 62 to be height-adjustable, it is convenient for users to adjust and use, and can further play a role in storage. Specifically, the lower part of the support arm 61 is inserted into the upper part of the support joint 62 for telescopic cooperation. A support arm locking assembly 660 for fixing the two to an appropriate position after adjustment and a support arm unlocking assembly 670 for releasing the locked state of the support arm locking assembly 660 are provided between the support arm 61 and the support joint 62.

[0085] The support arm locking assembly 660 includes a retaining pin 661 provided in the support arm 61. A number of clamping holes 662 for clamping and cooperating with the retaining pin 661 are provided on one side in the length direction of the support joint 62. An elastic member 663 for keeping the retaining pin 661 clamped into the clamping hole 662 is further included. The elastic part 663 is arranged between the retaining pin 661 and the support arm 61. The elastic member 663 can be a spring.

[0086] The support arm unlocking assembly 670 includes a pulling and pressing piece 671 that can move up and down in the support arm 61, and a hole (not marked in the figure) is formed in the pulling and pressing piece 671 for the front part of the pin 661 to pass through, and a seventh inclined surface 673 is formed on the left and right sides of the pulling and pressing piece 672, and an eighth inclined surface 674 abutting against the seventh inclined surface 673 is formed in the shape of 676 on the left and right sides of the pin 661. The support arm unlocking assembly 670 also includes a support arm unlocking button 675 arranged on the rear surrounding tube 11, and a push block 676 arranged in the rear surrounding tube 11 for cooperating with the support arm unlocking button 675. The support arm unlocking button 675 can squeeze the push block 676 to move by means of inclined surface extrusion, and also includes a flexible member 677 arranged between the push block 676 and the pulling and pressing piece 672, and the flexible member 677 can be a steel rope. When it is necessary to adjust the height, the support arm unlocking button 675 is pressed to squeeze the push block 676 to move, and the push block 676 then drives the tension and pressure member 672 to move through the flexible member 677, and then squeezes the eighth slope 674 through the seventh slope 673, so that the latch 661 squeezes the elastic member 663, and the latch 661 shrinks and separates from the latch hole 662. At this time, the height can be adjusted as needed.

[0087] It should be noted that a groove (not shown in the figure) can be provided in the support arm 61 to limit the upward and downward displacement of the latch 661 . When the tension and pressure member 672 acts on the latch 661 , it only pushes the latch 661 inward to extrude the elastic component 663 .

[0088] Please refer to Figures 2-11 As a further solution of this embodiment, it also includes a support rod 7, the end of the support rod 7 is pivotally connected to the end of the front surrounding tube 10, and a support rod locking mechanism 8 for locking the support rod 7 relative to the front surrounding tube 10 is provided between the support rod 7 and the front surrounding tube 10. The support rod locking mechanism 8 is configured to be linked with the surrounding tube unlocking component 5 and the surrounding tube locking component 3 accordingly, and the surrounding tube unlocking component 5 first links the support rod locking mechanism 8 to unlock, and then the support rod locking mechanism 8 links the surrounding tube locking component 3 to unlock. By providing the support rod 7, it is easy to lift the entire sleeping box bracket, which is convenient for users to carry. In addition, the support rod 7 can also be used as a supporting frame, and a shielding cloth can be provided between it and the front surrounding tube 10 or the rear surrounding tube 11 to protect children. The support rod 7 can be locked by the support rod locking mechanism 8 to prevent the support rod 7 from rotating. When folding and storage is required, the support rod 7 and the front surrounding tube 10 can be unlocked by successively linking the support rod locking mechanism 8 through the surrounding tube unlocking component 5. In addition, the surrounding tube unlocking component 5 can first unlock the support rod 7 and then unlock the front surrounding tube 10. This makes it convenient for users to fold and prevents the front surrounding tube 10 and the support rod 7 from being unlocked at the same time, making it convenient for users to fold.

[0089] As a further solution of this embodiment, a strut unlocking assembly 9 is provided at the end of the strut 7 for separately releasing the locked state of the strut 7 by linking with the strut locking mechanism 8. The strut 7 can be directly unlocked through the strut unlocking assembly 9, which is convenient for the user to operate. The strut unlocking assembly 9 includes a strut unlocking member 90 movably provided at the end of the strut 7 and capable of acting on the strut locking mechanism 8 to unlock it, and a strut reset member 91 for resetting the strut unlocking member 90. In order to further facilitate the user to unlock the strut 7, by setting the strut unlocking member 90 to directly act on the strut locking mechanism 8 to unlock the strut 7, it is convenient for the user to operate.

[0090] As a further solution of this embodiment, the strut locking mechanism 8 includes a strut locking block 81 for locking the strut 7 relative to the front pipe 10. The pipe locking assembly 3 includes a chuck 32 for locking the front pipe 10 relative to the rear pipe 11. The strut locking block 81 can act on the chuck 32 to move axially away from the end side of the front pipe 10. The pipe unlocking assembly 5 includes a pressure plate 50 rotatably fitted with the end of the front pipe 10. A plurality of first inclined surfaces 53 are formed on the pressure plate 50, and a plurality of second inclined surfaces 54 are provided at the end of the front pipe 10. When the pressure plate 50 rotates, the second inclined surfaces 54 are used to abut against the first inclined surfaces 53, so that the pressure plate 50 moves axially, and then pushes the strut locking block 81 and the chuck 32 to release the locked states of the strut 7 and the front pipe 10 respectively. And the minimum stroke for the strut locking block 81 to move axially to release the locked state of the strut 7 is L1, and the minimum stroke for the chuck 32 to move axially to release the locked state of the front pipe 10 is L2. Then: L2 > L1.

[0091] When the strut 7 and the front pipe 10 are in the locked state, the strut locking block 81 can lock the strut relative to the front pipe 10, and the chuck 32 locks the front pipe 10. Through the pressure plate 50 in the pipe unlocking assembly 5, the strut locking block 81 and the chuck 32 can be driven to move axially at the same time. And because L2 > L1, the strut 7 can be unlocked first and then the front pipe 10 can be unlocked.

[0092] As a further solution of this embodiment, the strut locking mechanism 8 further includes a strut slot 80 provided at the end of the strut 7 and a limit through hole 82 provided at the end of the front pipe 10. One end side of the strut locking block 81 abuts against the chuck 32. A limit slot 83 is provided along the circumferential direction inside the limit through hole 82. A strut tooth 84 is provided on the strut locking block 81 and can be simultaneously engaged with the strut slot 80 and the limit slot 83. After the strut tooth 84 is provided on the strut locking block 81, the strut 7 can be locked relative to the front pipe 10 by the strut tooth 84 being simultaneously engaged into the limit slot 83 and the strut slot 80.

[0093] The pipe surrounding unlocking assembly 5 further includes a handle 51 provided on the front pipe 10 or the rear pipe 11, and a flexible connecting member 52 provided between the handle 51 and the pressure plate 50 for pulling the pressure plate 50 to rotate. By arranging the handle 51 on the front pipe 10 or the rear pipe 11, it is convenient for users to operate. After the handle 51 pulls the pressure plate 50 to rotate through the flexible connecting member 52, the pressure plate 50 can be driven to rotate, so that the first inclined surface 53 thereon cooperates with the second inclined surface 54 on the front pipe, driving the pressure plate 50 to axially move and then pushing the chuck 32 to release the front pipe 10. It should be noted that the flexible connecting member 52 can be a steel wire rope.

[0094] The strut locking block 81 is provided with a strut unlocking linkage portion 85. The two sides of the strut unlocking linkage portion 85 are respectively abutted against the chuck 32 and the pressure plate 50. And when the pressure plate 50 is rotated by the action of the flexible connecting member 52 and generates an axial movement, the strut unlocking linkage portion 85 drives the strut locking block 81 and the abutting chuck 32 to axially move accordingly, and then releases the locking states of the strut 7 and the front pipe 10 successively. When unlocking the strut 7, by pulling the handle 51, the handle 51 acts on the pressure plate 50 through the flexible connecting member 52. After the pressure plate 50 rotates, through the cooperation of the first inclined surface 53 and the second inclined surface 54, the pressure plate 50 axially moves, extruding the strut unlocking linkage portion 85. The strut unlocking linkage portion 85 can drive the strut engaging teeth 84 in the strut locking block 81 to separate from the strut engaging groove 80, and then unlock the strut rotating portion 70, realizing the unlocking of the strut 7.

[0095] Please refer to Figure 3 、 6 -11. As a further solution of this embodiment, the pipe surrounding locking assembly 3 includes a rear rotating portion 30 provided at the end of the rear pipe 11, a front rotating portion 31 provided at the end of the front pipe 10. The front rotating portion 31 and the rear rotating portion 30 are rotatably connected through a pivot shaft a200. The front rotating portion 31 and the rear rotating portion 30 are provided with a chuck 32. A plurality of engaging teeth 34 are formed on the circumference of the chuck 32. A front engaging groove 35 is formed on the front rotating portion 31, and a rear engaging groove 35 is formed on the rear rotating portion 30. An elastic member 33 is provided between the chuck 32 and the rear rotating portion 30 for elastically acting on the chuck 32 to keep the engaging teeth 34 simultaneously engaged with the front engaging groove 35 and the rear engaging groove 35 to limit the relative rotation of the front rotating portion 31 with respect to the rear rotating portion 30. The pipe surrounding unlocking assembly 5 is connected to the chuck 32 and can drive the chuck 32 to axially displace and compress the elastic member 33 so that the engaging teeth 34 disengage from the front engaging groove 35. It should be noted that the elastic member 33 can be a spring, a disc spring or other components that can continuously supply a force to the chuck 32 and can hold the chuck 32 in the absence of other external forces, so that the engaging teeth 34 can be engaged into the front engaging groove 35.

[0096] The enclosure tube unlocking assembly 5 includes a pressure plate 50 rotatably matched with the front rotating part 31, a handle 51 provided on the front enclosure tube 10 or the rear enclosure tube 11, and a flexible connecting member 52 provided between the handle 51 and the pressure plate 50. A plurality of first inclined surfaces 53 are formed on the pressure plate 50, and a plurality of second inclined surfaces 54 are provided on the front rotating part 31 for abutting and matching with the first inclined surfaces 53 when the pressure plate 50 rotates to make the pressure plate 50 move axially. When the handle 51 acts on the flexible connecting member 52, the other end is stretched to drive the pressure plate 50 to rotate, so that the pressure plate 50 moves axially in the process of the first inclined surface 53 squeezing the second inclined surface 54, and then the pressure plate 50 pushes the chuck 32 and the front clamping groove 35 to unlock the locked state of the front enclosure tube 10.

[0097] View Figure 1 , 20 21. The utility model also provides a carrier, which uses the above-mentioned sleeping box bracket that is easy to fold, including a stroller frame 100 with a frame joint 101. The stroller frame 100 is placed in an unfolded locked state or an unlocked foldable state through the frame joint 101. The stroller frame 100 is provided with a connection adapter 102 for detachable connection with the frame connection joint block 622. The carrier of the utility model can be easily connected and installed with the sleeping box bracket through the connection adapter 102. When the sleeping box bracket is unfolded and used, the stroller frame 100 is unfolded and locked through the frame joint 101, which is convenient for users to use. When the sleeping box bracket is folded, the stroller frame 100 can also be unlocked and folded through the frame joint 101, so that the sleeping box bracket and the stroller frame 100 can be folded together, which is convenient for users to store and carry.

[0098] As a further solution of this embodiment, the frame joint 101 is provided with a frame unlocking member 103 for unlocking it to fold the baby carriage frame 100, and the support arm joint block 621 is provided with a frame unlocking trigger 104, which is used to unlock the frame joint 101 when the rear surrounding tube 11 and the support arm joint block 621 are unlocked and flipped to a preset angle relative to the baby carriage frame 100 to link the frame unlocking member 103 to unlock the frame joint 101. This application can facilitate the folding of the baby carriage frame 100 through the frame unlocking member 103, and at the same time, the support arm joint block 621 is linked to fold through the frame unlocking trigger 104, that is, when the sleeping box bracket is folded, the frame unlocking trigger 104 can be triggered to fold the baby carriage frame 100 with one key, which is convenient for users to use.

[0099] It should be noted that the frame joint 101, the connection adapter 102, the frame unlocking member 103 and the frame unlocking trigger member 104, and correspondingly the folding structure of the stroller frame 100 have been disclosed in the patent application with the application number "202321203527.5" and the title "A Stroller with Convenient Folding". The frame unlocking member 103 and the frame unlocking trigger member 104 in the present application are the same as or similar to the structures in that application, and will not be described in detail in the present application.

Claims

1. A folding sleep box bracket, characterized in that include: The enclosure tube assembly (1) comprises a front enclosure tube (10) and a rear enclosure tube (11), wherein two ends of the front enclosure tube (10) are hingedly connected to two ends of the rear enclosure tube (11) and can rotate around a pivot axis a (200); The bearing assembly (2) is arranged below the enclosure tube assembly (1), and comprises at least a front bottom plate (20) and a rear bottom plate (21) respectively located below the front enclosure tube (10) and the rear enclosure tube (11), wherein the front bottom plate (20) and the rear bottom plate (21) are directly or indirectly hinged and can rotate around a pivot axis b (201); A surrounding tube locking assembly (3), the surrounding tube locking assembly (3) is arranged between the front surrounding tube (10) and the rear surrounding tube (11), and is used to lock the front surrounding tube (10) relative to the rear surrounding tube (11); A connecting rod mechanism (4), wherein the enclosure tube assembly (1) suspends the bearing assembly (2) below the enclosure tube assembly (1) through the connecting rod mechanism (4), and the connecting rod mechanism (4) is configured to: when the front enclosure tube (10) is turned over and moved closer to the rear enclosure tube (11), the front bottom plate (20) and the rear bottom plate (21) are linked to move closer to the corresponding front enclosure tube (10) and rear enclosure tube (11) respectively; The enclosure tube unlocking assembly (5) is arranged on the enclosure tube assembly (1) and is used to work in conjunction with the enclosure tube locking assembly (3) to release the locking state of the front enclosure tube (10), thereby allowing the front enclosure tube (10) to be moved closer and folded relative to the rear enclosure tube (11), thereby driving the front bottom plate (20) and the rear bottom plate (21) to be moved closer and folded accordingly.

2. The collapsible sleeping box support according to claim 1, characterized in that The connecting rod mechanism (4) is also configured to: when the front enclosure tube (10) is turned over and moved closer to the rear enclosure tube (11), it is used to link the front bottom plate (20) to move closer to the rear bottom plate (21) and reduce the vertical distance between the pivot axis a (200) and the pivot axis b (201).

3. The collapsible sleeping box bracket according to claim 2, wherein It also comprises a support assembly (6) detachably connected to the baby carriage frame (100), wherein the support assembly (6) is relatively fixedly connected to the end of the rear enclosure tube (11).

4. The collapsible sleeping box support according to claim 2, wherein The connecting rod mechanism (4) comprises a front connecting rod assembly (40), a rear connecting rod assembly (41), and a connecting rod linkage assembly (42) connecting the front connecting rod assembly (40) and the rear connecting rod assembly (41); The front connecting rod assembly (40) comprises an upper connecting rod (401) hinged to the front enclosure tube (10), a lower connecting rod (402) hinged to the front bottom plate (20), and a top rod (403) whose rear end is directly or indirectly hinged to the rear enclosure tube (11); the lower end of the upper connecting rod (401), the upper end of the lower connecting rod (402), and the front end of the top rod (403) are hinged to each other; The rear connecting rod assembly (41) comprises at least two rear connecting rods (410) arranged in parallel, and the upper and lower ends of the two rear connecting rods (410) are respectively hinged to the rear surrounding tube (11) and the rear bottom plate (21); The connecting rod linkage assembly (42) comprises an active transmission rod (420) synchronously arranged at the end of the front enclosure tube (10), a driven transmission rod (421) being hingedly connected to the free end of the active transmission rod (420), and the other end of the driven transmission rod (421) extending obliquely toward the rear bottom plate (21) and being hingedly connected to the rear connecting rod assembly (41).

5. The collapsible sleeping box support according to claim 4, characterized in that The bearing assembly (2) further comprises an intermediate bottom plate (22), and two sides of the intermediate bottom plate (22) are respectively hinged to the corresponding front bottom plate (20) and rear bottom plate (21); The lower part of the driven transmission rod (421) is hinged to the rear connecting rod assembly (41), the intermediate connecting rod (422) is hinged to the intermediate bottom plate (22), and the upper end of the intermediate connecting rod (422) is hinged to the lower end of the driven transmission rod (421).

6. The collapsible sleeping box support according to claim 3, wherein The support assembly (6) includes a support arm (61) and a support joint (62). The support joint (62) is arranged at the lower part of the support arm (61). The support joint (62) includes a support arm joint block (621), a frame connection joint block (622), and a support joint locking mechanism (623) arranged between the support arm joint block (621) and the frame connection joint block (622). The frame connection joint block (622) is detachably connected to the baby carriage frame (100). And an articulated linkage unlocking assembly (60) is arranged between the support joint (62) and the front enclosure pipe (10) and the rear enclosure pipe (11). And the articulated linkage unlocking assembly (60) is configured such that when the front enclosure pipe (10) approaches and folds relative to the rear enclosure pipe (11) to a preset angle, the support joint (62) is unlocked, so that the rear enclosure pipe (11) and the sleeping box bracket are flipped and folded relative to the baby carriage frame (100).

7. The collapsible sleeping box support according to claim 6, wherein The support joint locking mechanism (623) includes a support joint locking tooth block (6231), a support joint tooth groove (6232), and a support joint reset member (6233). Support joint tooth grooves (6232) are provided on both the support arm joint block (621) and the frame connection joint block (622). And the support joint locking tooth block (6231) can be simultaneously engaged with the support joint tooth grooves (6232) on the support arm joint block (621) and the frame connection joint block (622). The support joint reset member (6233) is placed between the support joint locking tooth block (6231) and the frame connection joint block (622). The articulated linkage unlocking assembly (60) includes a guide chute (601) provided at the end of the rear enclosure pipe (11) and a support joint unlocking block (602) provided in the support joint (62) for pushing the support joint locking tooth block (6231) out of the support joint tooth groove (6232) of the support arm joint block (621). An articulated linkage slider (603) is movably arranged in the guide chute (601). A flexible linkage member (604) is arranged between the support joint unlocking block (602) and the articulated linkage slider (603). A support joint unlocking inclined surface (605) for mutual abutting and cooperation is arranged between the support joint unlocking block (602) and the opposite side of the support arm joint block (621). A support joint unlocking protrusion (606) is provided at the end of the front enclosure pipe (10) for pushing the articulated linkage slider (603) to slide when the front enclosure pipe (10) approaches and folds relative to the rear enclosure pipe (11) to a preset angle.

8. The collapsible sleeping box support according to claim 6 or 7, characterized in that The support arm (61) is vertically adjustable relative to the support joint (62).

9. The collapsible sleeping box support according to claim 1, wherein It further includes a stay bar (7). The end of the stay bar (7) is pivotally connected to the end of the front enclosure pipe (10). A stay bar locking mechanism (8) for locking the stay bar (7) relative to the front enclosure pipe (10) is provided between the stay bar (7) and the front enclosure pipe (10). The stay bar locking mechanism (8) is configured to be linked correspondingly with the enclosure pipe unlocking assembly (5) and the enclosure pipe locking assembly (3). After the enclosure pipe unlocking assembly (5) first triggers the unlocking action of the stay bar locking mechanism (8), the stay bar locking mechanism (8) then triggers the unlocking action of the enclosure pipe locking assembly (3).

10. The collapsible sleeping box support according to claim 9, wherein An unlocking assembly (9) for the stay bar is provided at the end of the stay bar (7) for separately unlocking the locked state of the stay bar (7) by linking with the stay bar locking mechanism (8). The unlocking assembly (9) for the stay bar includes a stay bar unlocking member (90) movably provided at the end of the stay bar (7) and capable of triggering the unlocking action of the stay bar locking mechanism (8), and a stay bar reset member (91) for resetting the stay bar unlocking member (90).

11. The collapsible sleeping box support according to claim 9, wherein The stay bar locking mechanism (8) includes a stay bar locking block (81) for locking the stay bar (7) relative to the front enclosure pipe (10). The enclosure pipe locking assembly (3) includes a chuck (32) for locking the front enclosure pipe (10) relative to the rear enclosure pipe (11). The stay bar locking block (81) can act on the chuck (32) to move axially away from the side of the end of the front enclosure pipe (10). The enclosure pipe unlocking assembly (5) includes a pressure plate (50) rotatably and cooperatively provided with the end of the front enclosure pipe (10). A plurality of first inclined surfaces (53) are formed on the pressure plate (50). A plurality of second inclined surfaces (54) are provided on the end of the front enclosure pipe (10). When the pressure plate (50) rotates, the second inclined surfaces (54) are used to abut and cooperate with the first inclined surfaces (53) so that the pressure plate (50) moves axially to push the stay bar locking block (81) and the chuck (32) to correspondingly release the locked states of the stay bar (7) and the front enclosure pipe (10). And the minimum stroke for the stay bar locking block (81) to move axially to release the locked state of the stay bar (7) is L1, and the minimum stroke for the chuck (32) to move axially to release the locked state of the front enclosure pipe (10) is L2. Then: L2 > L1.

12. The collapsible sleeping box support according to claim 11, characterized in that The stay bar locking mechanism (8) further includes a stay bar slot (80) provided at the end of the stay bar (7) and a limit through hole (82) provided at the end of the front enclosure pipe (10). One end side of the stay bar locking block (81) abuts against the chuck (32). A limit slot (83) is provided along the circumferential direction inside the limit through hole (82). A stay bar tooth (84) capable of being engaged and cooperated with the stay bar slot (80) and the limit slot (83) simultaneously is provided on the stay bar locking block (81). The enclosure pipe unlocking assembly (5) further includes a handle (51) provided on the front enclosure pipe (10) or the rear enclosure pipe (11), and a flexible connecting member (52) provided between the handle (51) and the pressure plate (50) for pulling the pressure plate (50) to rotate. A support rod unlocking linkage part (85) is provided on the support rod locking block (81), and two sides of the support rod unlocking linkage part (85) are respectively abutted against the chuck (32) and the pressure plate (50), and when the pressure plate (50) is rotated by the flexible connecting member (52) to generate axial movement, the support rod unlocking linkage part (85) drives the support rod locking block (81) and the abutting chuck (32) to move axially accordingly, thereby successively releasing the locking state of the support rod (7) and the front enclosure tube (10).

13. The collapsible sleeping box support according to claim 1, characterized in that The enclosure tube locking assembly (3) comprises a rear rotating part (30) arranged at the end of the rear enclosure tube (11), and a front rotating part (31) arranged at the end of the front enclosure tube (10). The front rotating part (31) and the rear rotating part (30) are rotatably connected via a pivot axis a (200). A chuck (32) is provided on the front rotating part (31) and the rear rotating part (30). A plurality of latching teeth (34) are formed on the chuck (32) in the circumferential direction. A front latching groove (35) is formed on the front rotating part (31), and a front latching groove (35) is formed on the rear rotating part (30). The rear locking groove (36) is provided between the chuck (32) and the rear rotating part (30), and an elastic member (33) is provided for elastically acting on the chuck (32) so that the locking teeth (34) are kept locked into the front locking groove (35) and the rear locking groove (36) at the same time to limit the front rotating part (31) from rotating relative to the rear rotating part (30); the surrounding tube unlocking assembly (5) is connected to the chuck (32) and can drive the chuck (32) to axially displace and compress the elastic member (33) so that the locking teeth (34) are separated from the front locking groove (35); The surrounding tube unlocking assembly (5) comprises a pressure plate (50) rotatably matched with the front rotating part (31), a handle (51) provided on the front surrounding tube (10) or the rear surrounding tube (11), and a flexible connecting member (52) provided between the handle (51) and the pressure plate (50), a plurality of first inclined surfaces (53) being formed on the pressure plate (50), and a plurality of second inclined surfaces (54) being provided on the front rotating part (31) for abutting and matching with the first inclined surfaces (53) when the pressure plate (50) rotates, thereby causing the pressure plate (50) to move axially.

14. A vehicle, characterized by using the collapsible sleeping box support as described in claim 6 or 7 The invention comprises a baby carriage frame (100) having a frame joint (101), wherein the baby carriage frame (100) is placed in an unfolded and locked state or an unlocked and foldable state through the frame joint (101), and a connection adapter (102) for detachably connecting to a frame connection joint block (622) is provided on the baby carriage frame (100).

15. The vehicle according to claim 14, characterized in that A frame unlocking member (103) for unlocking the frame joint (101) to fold the baby carriage frame (100) is provided on the frame joint (101), and a frame unlocking trigger member (104) is provided on the support arm joint block (621) for unlocking the frame joint (101) when the rear enclosure tube (11) and the support arm joint block (621) are unlocked and flipped to a preset angle relative to the baby carriage frame (100) to link the frame unlocking member (103) to release the locked state of the frame joint (101).

Images