A foldable baby bassinet

Abstract

This invention provides a folding baby bassinet stroller. The front and rear frames are connected by a rotating rear folding disc and a front folding disc, enabling the folding and unfolding of both frames. When the toothed pin slides fully into the locking groove, it disengages from the rear locking groove, thus locking the rotation of the rear folding disc and allowing it to rotate relative to the front frame. Simultaneously, the rear locking groove and the front locking groove form a sliding cavity. When the plate pin is simultaneously located in both grooves, it locks the rotation of the rear and front folding discs, preventing them from rotating synchronously. In this locked state, the front and rear frames are in the open state. When the plate pin disengages from the front locking groove, it releases the lock between the front and rear folding discs, allowing them to rotate relative to each other, enabling the front and rear frames to fold. This allows for quick bassinet folding and improves ease of operation.

Description

Technical Field

[0001] This utility model relates to the field of infant and child product technology, and in particular to a foldable baby bassinet stroller. Background Technology

[0002] With economic development and technological progress, people's demand for baby products is becoming increasingly diversified. Strollers are a type of vehicle designed to facilitate outdoor activities for babies. They come in various models. Generally, children aged 1 to 2 years play with strollers, while those over 2 years old play with toy cars with wheels. Strollers can bring certain benefits to children's intellectual development and enhance their brain development. However, the cradle part of existing strollers cannot be folded into a compact size that is easy to transport, making them inconvenient to transport. In addition, existing strollers have limited functions and simple structures. When the baby in the stroller cries, the baby can only be picked up and soothed. Furthermore, when the baby in the stroller is about to fall asleep, it is not possible to rock the stroller to lull them to sleep. Utility Model Content

[0003] In view of the above problems, this utility model is proposed to provide a foldable baby bassinet stroller that overcomes or at least partially solves the above problems, and can solve the problem that existing strollers have limited functions and are not easy to fold, so as to make the stroller easy to fold.

[0004] Specifically, this utility model provides a folding baby bassinet stroller, which includes: A sleeping basket, comprising a front frame and a rear frame; two front folding discs are mounted on both ends of the front frame; two rear folding discs are provided on both ends of the rear frame; each front folding disc is coaxial with and rotatably connected to one of the rear folding discs; a front locking groove is provided on the front folding disc; a rear locking groove is provided on the rear folding disc, and the rear locking groove communicates with the front locking groove. Two locking mechanisms are provided, each of which is installed between a front folding disc and a rear folding disc. Each locking mechanism includes a toothed pin, a locking disc, a plate pin, and an unlocking assembly. The locking disc has a locking groove. The locking disc is coaxially and rotatably mounted on the rear folding disc, and the locking groove and the rear locking groove are connected. The toothed pin is slidably mounted in the locking groove and / or the rear locking groove along the axial direction of the rear folding disc. The plate pin is slidably disposed in the front locking groove and / or the rear locking groove. The unlocking assembly is used to allow the toothed pin to fully enter the locking groove and simultaneously disengage the plate pin from the rear locking groove when the rear frame and the front frame need to be folded.

[0005] Optionally, the rear locking groove includes a first groove and a second groove; the first groove is located on one side of the locking groove; the second groove is located on one side of the front locking groove; a through groove is provided between the first groove and the second groove; the front locking groove includes a circular groove and a straight groove communicating with the circular groove. The unlocking assembly includes a reset spring, an unlocking disc, a first wedge, a second wedge, and a pull-cord switch assembly. The reset spring is installed in the locking groove and connected to the locking disc. The reset spring is used to simultaneously position the locking disc in the first groove and the locking groove, so as to retract and store force when the locking disc slides into the locking groove. The unlocking disc is installed on the locking disc. The first wedge is inserted into the through groove and fixedly connected to the unlocking disc. The second wedge is installed in the through groove and abuts against the first wedge. The plate-shaped pin is slidably disposed in the second groove along the radial direction of the front folding disc and is fixedly connected to the second wedge. The plate-shaped pin has a locking block inserted into the straight groove. When the locking block is located in the straight groove, it causes the front folding disc and the rear folding disc to rotate relative to each other and lock. When the locking block slides downward with the plate-shaped pin into the circular groove, it allows the front folding disc and the rear folding disc to rotate relative to each other. The pull-cord switch assembly is disposed on the front frame and connected to the plate-shaped pin, and is used to control the plate-shaped pin to slide along the radial direction of the front folding disc.

[0006] Optionally, the pull-cord switch assembly includes a connecting pull cord, a switch plate, and an unlocking spring; the unlocking spring is disposed in the second groove and fixedly connected to the bottom of the plate-shaped pin, so that when the plate-shaped pin slides downward, the unlocking spring retracts and stores force; the front folding disc is provided with a through hole penetrating inside and outside the second groove; the connecting pull cord passes through the through hole and is fixedly connected to the bottom of the plate-shaped pin; the switch plate is rotatably disposed on the front frame and connected to the connecting pull cord, for stretching the connecting pull cord when rotated.

[0007] Optionally, the folding baby bassinet also includes: The frame has mounting positions on both its left and right sides; each mounting position has a detachable mounting lock plate inserted into it; each mounting lock plate is fixedly connected to a locking disc.

[0008] Optionally, a limiting groove is provided in the circular groove; the limiting groove extends along the sliding direction of the plate-shaped pin and communicates with the circular groove; a limiting block is fixed on the plate-shaped pin, the limiting block can be slidably installed in the limiting groove, and slides downward with the plate-shaped pin into the circular groove.

[0009] Optionally, the locking disc has a pivot at its center, through which the pivot passes the front folding disc and the rear folding disc.

[0010] Optionally, the coaxial cover on the front folding disc is provided with a guide housing; the guide housing has an arc-shaped guide groove on the side facing the front folding disc; a rear guide rod is provided at the eccentric position of the rear folding disc; the rear guide rod extends along the axial direction of the rear folding disc; the front folding disc has an arc-shaped through-groove; the rear guide rod is slidably inserted into the through-groove and the guide groove; a front guide rod is provided at the eccentric position of the front folding disc; the front guide rod extends along the axial direction of the front folding disc; the front guide rod is slidably inserted into the guide groove.

[0011] Optionally, each of the rear folding discs is fixed with a rear insertion sleeve; both ends of the rear frame are detachably inserted into a rear insertion sleeve; each of the front folding discs is fixed with a front insertion sleeve; both ends of the front frame are detachably inserted into a front insertion sleeve.

[0012] In this folding baby bassinet stroller, the front and rear frames are connected by a rotating rear folding disc and a rotating front folding disc, enabling the folding and unfolding of both frames. When the toothed pin slides fully into the locking groove, it disengages from the rear locking groove, thereby engaging the rotational lock on the rear folding disc, allowing them to rotate relative to each other. Simultaneously, the rear locking groove and the front locking groove form a sliding cavity. When the plate pin is simultaneously located in both the rear and front locking grooves, it locks the rear and front folding discs, preventing them from rotating synchronously; this is the locked state, and the front and rear frames are in the open state. When the plate pin disengages from the front locking groove, it releases the lock between the front and rear folding discs, allowing them to rotate relative to each other, thus enabling the front and rear frames to fold. The unlocking mechanism allows the disc pin and plate pin to move synchronously, enabling them to be locked or unlocked simultaneously. This allows for quick folding of the bassinet, improving ease of operation.

[0013] The above and other objects, advantages and features of this utility model will become more apparent to those skilled in the art from the following detailed description of specific embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0014] The following sections will describe some specific embodiments of the present invention in a detailed manner by way of example and not limitation, with reference to the accompanying drawings. The same reference numerals in the drawings denote the same or similar parts or components. Those skilled in the art should understand that these drawings are not necessarily drawn to scale. In the drawings: Figure 1 This is a schematic structural diagram of a folding baby bassinet stroller according to an embodiment of the present invention; Figure 2This is a schematic structural diagram of the bassinet in a folding baby bassinet stroller according to an embodiment of the present invention; Figure 3 This is a partial schematic structural diagram of the bassinet in a folding baby bassinet stroller according to an embodiment of the present invention; Figure 4 This is a partial exploded view of the bassinet in a folding baby bassinet stroller according to an embodiment of the present invention; Figure 5 yes Figure 4 A magnified view of a section at point A in the middle; Figure 6 This is a schematic structural diagram of the locking disc in a folding baby bassinet stroller according to an embodiment of the present invention; Figure 7 This is a schematic structural diagram of a plate-shaped pin in a folding baby bassinet according to an embodiment of the present invention; Figure 8 This is a schematic structural diagram of the rear folding tray in a folding baby bassinet stroller according to an embodiment of the present invention; Figure 9 This is a schematic structural diagram of the plate pin and unlocking disc in a folding baby bassinet according to an embodiment of the present invention.

[0015] In the diagram: 100, Basket; 110, Front Frame; 120, Rear Frame; 130, Front Folding Disc; 132, Through-Gate; 140, Rear Folding Disc; 141, Rear Guide Rod; 150, Front Insertion Sleeve Rod; 160, Rear Insertion Sleeve Rod; 170, Front Locking Groove; 171, Straight Groove; 172, Circular Groove; 173, Limiting Groove; 181, First Groove; 182, Second Groove; 183, Through-Gate; 190, Guide Housing; 19 1. Guide groove; 200. Locking mechanism; 210. Toothed pin; 220. Locking disc; 221. Locking groove; 230. Plate pin; 231. Second wedge; 232. Locking block; 233. Limiting block; 300. Unlocking assembly; 310. Return spring; 320. Unlocking disc; 321. First wedge; 340. Switch plate; 350. Unlocking spring; 360. Through hole; 400. Frame; 410. Mounting lock plate. Detailed Implementation

[0016] The following reference Figures 1 to 9This invention describes a folding baby bassinet stroller according to an embodiment of the present invention. In this description, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature, that is, include one or more of that feature. In the description of the present invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. When a feature "includes or contains" one or more of the features it encompasses, unless otherwise specifically described, this indicates that other features are not excluded and may be further included.

[0017] Unless otherwise expressly specified and limited, the terms "set," "install," "connect," "link," "fix," and "couple" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art should be able to understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0018] Furthermore, in the description of this embodiment, "above" or "below" the second feature can include direct contact between the first and second features, or it can include contact between the first and second features through another feature between them. That is, in the description of this embodiment, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," or "below" of the second feature can mean the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0019] In the description of this embodiment, the terms "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0020] Figure 1 This is a schematic structural diagram of a folding baby bassinet, such as... Figure 1As shown, and with reference Figures 2 to 9 The folding baby bassinet stroller includes a bassinet 100 and two locking mechanisms 200. The bassinet 100 includes a front frame 110 and a rear frame 120. Two front folding discs 130 are mounted at both ends of the front frame 110. Two rear folding discs 140 are provided at both ends of the rear frame 120. Each front folding disc 130 is coaxially and rotatably connected to one rear folding disc 140. A front locking groove 170 is provided on the front folding disc 130. A rear locking groove is provided on the rear folding disc 140, and the rear locking groove communicates with the front locking groove 170.

[0021] Each locking mechanism 200 is installed between a front folding disc 130 and a rear folding disc 140. The locking mechanism 200 includes a toothed pin 210, a locking disc 220, a plate pin 230, and an unlocking assembly 300. The locking disc 220 has a locking groove 221. The locking disc 220 is coaxially and rotatably mounted on the rear folding disc 140, communicating with the locking groove 221 and the rear locking groove. The toothed pin 210 is slidably mounted in the locking groove 221 and / or the rear locking groove along the axial direction of the rear folding disc 140. The plate pin 230 is slidably disposed within the front locking groove 170 and / or the rear locking groove. The unlocking assembly is used to fully engage the toothed pin 210 in the locking groove 221 and disengage the plate pin 230 from the front locking groove 170 when the rear frame 120 and the front frame 110 need to be folded.

[0022] Specifically, the front frame 110 and the rear frame 120 are connected by a rotating rear folding disc 140 and a front folding disc 130, enabling the folding and unfolding of the front frame 110 and the rear frame 120. Furthermore, the interfaces of the front frame 110 and the rear frame 120 are identical, both being semi-rectangular frames. When connected, the front frame 110 and the rear frame 120 form a complete rectangular frame, on which the baby sleeping bag is mounted, allowing the frame to be fully folded and unfolded.

[0023] Furthermore, the locking pin and the rear locking groove form a sliding cavity, allowing the toothed pin 210 to slide back and forth along the axial direction of the rear folding disc 140 within this cavity. When the toothed pin 210 is simultaneously located within both the rear locking groove and the locking groove 221, it can rotate and lock the rear folding disc 140 and the locking disc 220, thus preventing them from rotating synchronously, i.e., the locked state. When the toothed pin 210 has completely slid into the locking groove 221, it disengages from the rear locking groove, thereby engaging the rotational locking of the rear folding disc 140, allowing them to rotate relative to each other. Simultaneously, the rear locking groove and the front locking groove 170 form a sliding cavity. When the plate pin 230 is simultaneously located within both the rear locking groove and the front locking groove 170, the plate pin 230 can lock the rear folding disc 140 and the front folding disc 130 in a rotational lock, thereby preventing them from rotating synchronously. In the locked state, the front frame 110 and the rear frame 120 are in the open state. When the plate pin 230 disengages from the front locking groove 170, the plate pin 230 can release the locking state between the front folding disc 130 and the rear folding disc 140, thereby allowing them to rotate relative to each other, enabling the front frame 110 and the rear frame 120 to fold.

[0024] Furthermore, the unlocking component allows the disc pin and plate pin 230 to move synchronously, thereby enabling them to be locked or unlocked simultaneously, thus allowing the bassinet 100 to be folded quickly and improving ease of operation.

[0025] In this embodiment, the toothed pin 210 is gear-shaped, and the corresponding locking groove 221 is gear-groove-shaped, thereby enabling the toothed pin 210 to slide into the locking pin. Correspondingly, the rear locking groove also has a gear-groove structure.

[0026] In operation, initially, the front frame 110 and rear frame 120 are in an open state at the same level, and the locking mechanism 200 is in a locked state, keeping the front folding disc 130 and rear folding disc 140 locked. At this time, the disc pin is located between the rear locking groove and the locking groove 221, used to restrict the rotation of the rear folding disc 140 relative to the locking disc 220. Simultaneously, the disc pin is located between the front locking groove 170 and the rear locking groove, used to restrict the rotation of the front folding disc 130 relative to the rear folding disc 140.

[0027] When the bassinet 100 needs to be folded, the unlocking mechanism is operated. The unlocking mechanism simultaneously causes the disc pin to enter the locking groove 221 and the plate pin 230 to disengage from the front locking groove 221, thereby releasing the mutual locking state of the front folding disc 130, the rear folding disc 140 and the locking disc 220, so that the front frame 110 and the rear frame 120 can be folded together.

[0028] In some embodiments of this utility model, such as Figure 4 and Figure 9As shown, the rear locking groove includes a first groove 181 and a second groove 182. The first groove 181 is located on one side of the locking groove 221, and the second groove 182 is located on one side of the front locking groove 170. A through groove 183 is provided between the first groove 181 and the second groove 182; the front locking groove 170 includes a circular groove 172 and a straight groove 171 communicating with the circular groove 172.

[0029] The unlocking assembly 300 includes a return spring 310, an unlocking disc 320, a first wedge 321, a second wedge 231, and a pull-cord switch assembly. The return spring 310 is mounted within the locking groove 221 and connected to the locking disc 220. The return spring 310 is used to simultaneously position the locking disc 220 within both the first groove 181 and the locking groove 221, so as to retract and store force when the locking disc 220 slides into the locking groove 221. The unlocking disc 320 is mounted on the locking disc 220, and the first wedge 321 is inserted into the through groove 183 and fixed to the unlocking disc 320. The second wedge 231 is mounted within the through groove 183 and abuts against the first wedge 321, so as to push the first wedge 321 outward from within the through groove 183 when the second wedge 231 moves relative to the wedge. The second groove 182 is a rectangular groove extending radially along the rear folding disc 140.

[0030] A plate-shaped pin 230 is slidably disposed within a second groove 182 along the radial direction of the front folding disc 130 and is fixedly connected to a second wedge block 231. The plate-shaped pin 230 has a locking block 232 that inserts into a straight groove 171. When the locking block 232 is located within the straight groove 171, it locks the front folding disc 130 and the rear folding disc 140 to rotate relative to each other. When the locking block 232 slides downwards with the plate-shaped pin 230 into the circular groove 172, it allows the front folding disc 130 and the rear folding disc 140 to rotate relative to each other. A pull-cord switch assembly is disposed on the front frame 110 and connected to the plate-shaped pin 230, used to control the sliding of the plate-shaped pin 230 along the radial direction of the front folding disc 130.

[0031] Specifically, the first groove 181 and the locking groove 221 form a sliding cavity for the disc pin, and the second groove 182 and the front locking groove 170 form a sliding cavity for the disc pin. The first groove and the locking groove 221 have the same structure, both being gear-shaped grooves. Further, the first wedge 321 and the second wedge 231 are both triangular wedges. The two wedges slide relative to each other along the radial direction of the rear folding disc 140, generating an axial thrust under the action of their inclined surfaces. Since the second wedge 231 is fixed to the disc pin, when the disc pin slides downwards in the radial direction, the second wedge 231 pushes the first wedge 321 to move in the direction of the through groove 183, thereby causing the locking disc 220 to push the disc pin completely into the locking groove 221, thus releasing the locking state between the rear folding disc 140 and the locking disc 220.

[0032] Furthermore, the second groove 182 is rectangular and is arranged along the radial direction of the rear folding disc 140. The plate pin 230 slides up and down within the second groove 182. Furthermore, the locking block and the plate pin 230 are integrally formed. When the locking block is located in the straight groove 171, the plate pin 230 is located at the uppermost end of the second groove 182. Under the action of the locking block, the front folding disc 130 and the rear folding disc 140 are in a locked state. When the locking block slides into the circular groove 172, the locking block can slide axially along the drawstring of the front folding disc 130 within the circular groove 172. At this time, the plate pin 230 slides to the lower end of the second groove 182, and the front folding disc 130 and the rear folding disc 140 can rotate relative to each other.

[0033] Therefore, the plate-shaped pin 230, through the engagement of the first wedge block 321 and the second wedge block 231, as well as the engagement of the locking block, the straight groove 171, and the circular groove 172, can control the synchronous movement of the disc-shaped pin and the plate-shaped pin 230, thereby simultaneously controlling the locking and unlocking of the front folding disc 130, the rear folding disc 140, and the locking disc 220. Furthermore, the pull-cord switch assembly is designed for user convenience.

[0034] In some embodiments of this utility model, such as Figure 2 and Figure 8 As shown, the pull-cord switch assembly includes a connecting pull cord, a switch plate 340, and an unlocking spring 350. The unlocking spring 350 is disposed within the second groove 182 and fixedly connected to the bottom of the plate pin 230, so that the unlocking spring 350 retracts and stores force when the plate pin 230 slides downward. The front folding disc 130 has a through hole 360 ​​penetrating inside and outside the second groove 182, through which the connecting pull cord passes and is fixedly connected to the bottom of the plate pin 230. The switch plate 340 is rotatably mounted on the front frame 110 and connected to the connecting pull cord for stretching the connecting pull cord when rotated.

[0035] Specifically, the rotation of the switch plate 340 causes the connecting pull cord to retract, which in turn causes the plate-shaped pin 230 to move downward along the second groove 182, thereby compressing the unlocking spring 350. When the switch plate is released, the plate-shaped pin 230 returns to its original position, and at the same time, the return spring 310 pushes the toothed pin 210 to return to its original position, so that the bassinet 100 is put back into the locked state. Therefore, the bassinet 100 can be locked even when it is folded.

[0036] In some embodiments of this utility model, such as Figure 1 and Figure 2 As shown, the folding baby bassinet stroller also includes a frame 400, with mounting positions on both the left and right sides. Each mounting position is fitted with a detachable mounting plate 410. Each mounting plate 410 is fixed to a locking disc 220. Specifically, the frame 400 has wheels, and the bassinet 100 is mounted on the frame 400 via the mounting plates 410, thus enabling it to function as a stroller.

[0037] In some embodiments of this utility model, such as Figure 4 and Figure 5 As shown, a limiting groove 173 is provided within the circular groove 172. The limiting groove 173 extends along the sliding direction of the plate-shaped pin 230 and communicates with the circular groove 172. A limiting block 233 is fixedly provided on the plate-shaped pin 230. The limiting block 233 can be slidably installed within the limiting groove 173 and slides downward with the plate-shaped pin 230 into the circular groove 172. Specifically, the limiting block 233 and the locking block have the same function. The limiting block 233 and the locking block together lock the front folding disc 130 and the rear folding disc 140, which can increase the stability of both when locked.

[0038] In some embodiments of this utility model, such as Figure 4 and Figure 6 As shown, a pivot is provided at the center of the locking disc 220, through which the front folding disc 130 and the rear folding disc 140 pass. Specifically, the pivot increases the stability of the folding process.

[0039] In some embodiments of this utility model, such as Figure 4 , Figure 5 and Figure 8 As shown, the front folding disc 130 has a coaxial cover with a guide housing 190. The guide housing 190 has an arc-shaped guide groove 191 on the side facing the front folding disc 130. A rear guide rod 141 is provided at an eccentric position on the rear folding disc 140. The rear guide rod 141 extends along the axial direction of the rear folding disc 140. The front folding disc 130 has an arc-shaped through-groove 132. The rear guide rod 141 is slidably inserted into the through-groove 132 and the guide groove 191. A front guide rod is provided at an eccentric position on the front folding disc 130. The front guide rod extends along the axial direction of the front folding disc 130. The front guide rod is slidably inserted into the guide groove 191.

[0040] Specifically, the guide groove 191 is designed in two independent sections, allowing both the front guide rod and the rear guide rod 141 to be located within one section of the guide groove 191. Furthermore, the rear guide rod 141 is square, while the front guide rod is round. The guide groove 191 and the guide rods increase structural stability, preventing the front folding disc 130 and the rear folding disc 140 from dislodging.

[0041] In some embodiments of this utility model, such as Figures 2 to 4 As shown, each rear folding disc 140 is fixed with a rear insert sleeve 160. Both ends of the rear frame 120 are detachably inserted into a rear insert sleeve 160. Each front folding disc 130 is fixed with a front insert sleeve 150, and both ends of the front frame 110 are detachably inserted into a front insert sleeve 150.

[0042] Therefore, those skilled in the art should recognize that although many exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications conforming to the principles of the present invention can be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. A folding baby bassinet, characterized in that, include: A sleeping basket, comprising a front frame and a rear frame; two front folding discs are mounted on both ends of the front frame; two rear folding discs are provided on both ends of the rear frame; each front folding disc is coaxial with and rotatably connected to one of the rear folding discs; a front locking groove is provided on the front folding disc; a rear locking groove is provided on the rear folding disc, and the rear locking groove communicates with the front locking groove. Two locking mechanisms are provided, each of which is installed between a front folding disc and a rear folding disc. Each locking mechanism includes a toothed pin, a locking disc, a plate pin, and an unlocking assembly. The locking disc has a locking groove. The locking disc is coaxially and rotatably mounted on the rear folding disc, and the locking groove and the rear locking groove are connected. The toothed pin is slidably mounted in the locking groove and / or the rear locking groove along the axial direction of the rear folding disc. The plate pin is slidably disposed in the front locking groove and / or the rear locking groove. The unlocking assembly is used to allow the toothed pin to fully enter the locking groove and simultaneously disengage the plate pin from the rear locking groove when the rear frame and the front frame need to be folded.

2. The folding baby bassinet stroller according to claim 1, characterized in that, The rear locking groove includes a first groove and a second groove; the first groove is located on one side of the locking groove; the second groove is located on one side of the front locking groove; a through groove is provided between the first groove and the second groove; the front locking groove includes a circular groove and a straight groove communicating with the circular groove. The unlocking assembly includes a reset spring, an unlocking disc, a first wedge, a second wedge, and a pull-cord switch assembly. The reset spring is installed in the locking groove and connected to the locking disc. The reset spring is used to simultaneously position the locking disc in the first groove and the locking groove, so as to retract and store force when the locking disc slides into the locking groove. The unlocking disc is installed on the locking disc. The first wedge is inserted into the through groove and fixed to the unlocking disc. The second wedge is installed in the through groove and abuts against the first wedge. The plate-shaped pin is slidably disposed in the second groove along the radial direction of the front folding disc and fixed to the second wedge. The plate-shaped pin has a locking block inserted into the straight groove. When the locking block is located in the straight groove, it causes the front folding disc and the rear folding disc to rotate and lock relative to each other. When the locking block slides downward with the plate-shaped pin into the circular groove, it allows the front folding disc and the rear folding disc to rotate relative to each other. The pull-cord switch assembly is disposed on the front frame and connected to the plate-shaped pin, and is used to control the plate-shaped pin to slide along the radial direction of the front folding disc.

3. The folding baby bassinet stroller according to claim 2, characterized in that, The pull-cord switch assembly includes a connecting pull cord, a switch plate, and an unlocking spring; the unlocking spring is disposed in the second groove and fixed to the bottom of the plate pin, so that when the plate pin slides downward, the unlocking spring retracts and stores force; The front folding disc has a through hole that passes through the inside and outside of the second groove; the connecting pull rope passes through the through hole and is fixed to the bottom of the plate-shaped pin; the switch plate is rotatably mounted on the front frame and connected to the connecting pull rope, for stretching the connecting pull rope when rotating.

4. The folding baby bassinet stroller according to claim 1, characterized in that, Also includes: The frame has mounting positions on both its left and right sides; each mounting position has a detachable mounting lock plate inserted into it; each mounting lock plate is fixedly connected to a locking disc.

5. The folding baby bassinet stroller according to claim 2, characterized in that, The circular groove is provided with a limiting groove; the limiting groove extends along the sliding direction of the plate-shaped pin and communicates with the circular groove; a limiting block is fixed on the plate-shaped pin, the limiting block can be slidably installed in the limiting groove, and slides downward with the plate-shaped pin into the circular groove.

6. The folding baby bassinet stroller according to claim 1, characterized in that, The locking disc has a pivot at its center, through which the front folding disc and the rear folding disc pass.

7. The folding baby bassinet stroller according to claim 1, characterized in that, The front folding disc has a coaxial cover with a guide housing; the guide housing has an arc-shaped guide groove on the side facing the front folding disc; a rear guide rod is provided at the eccentric position of the rear folding disc; the rear guide rod extends along the axial direction of the rear folding disc; the front folding disc has an arc-shaped through-groove; the rear guide rod is slidably inserted into the through-groove and the guide groove; a front guide rod is provided at the eccentric position of the front folding disc; the front guide rod extends along the axial direction of the front folding disc; the front guide rod is slidably inserted into the guide groove.

8. The folding baby bassinet stroller according to claim 1, characterized in that, Each of the rear folding discs is fixed with a rear insertion sleeve; both ends of the rear frame are detachably inserted into one of the rear insertion sleeves; Each of the front folding discs is fixed with a front insertion sleeve; both ends of the front frame are detachably inserted into one of the front insertion sleeves.

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