Stroller with a liftable bassinet

Abstract

The utility model discloses a baby carriage with liftable baby carriage cabin, including frame and baby carriage cabin, and the frame is equipped with the insertion slot, and the side wall of insertion slot is equipped with at least two limit slots, and the baby carriage cabin includes the cabin body and the insertion component, and the insertion component includes the first casing, the first lid, the limit piece, the transmission part, the pressing piece, and the first casing is equipped with the accommodation slot, and the first lid is covered in the accommodation slot, and the side wall of accommodation slot is equipped with the first through -hole and the second through -hole, and the limit piece is movably worn in the first through -hole, and the pressing piece is movably worn in the second through -hole, and the limit piece is equipped with the first linkage structure with transmission part, and transmission part drives the limit piece to enter or exit limit slot through the first linkage structure, and the pressing piece is equipped with the second linkage structure with transmission part, and the pressing piece drives transmission part to move through the second linkage structure to make the limit piece enter or exit limit slot, can lift the cabin body to adjust the height of cabin body to make things convenient for the user to use.

Description

Technical Field

[0001] This utility model relates to the field of stroller technology, and in particular to a stroller with a liftable stroller compartment. Background Technology

[0002] A stroller is a utility vehicle designed to facilitate outdoor activities for infants. Existing strollers consist of a carriage and a frame. The carriage is mounted on top of the frame and its height cannot be adjusted, making it inconvenient for users. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a stroller with a height-adjustable baby carriage, which allows for adjustment of the carriage height for user convenience.

[0004] A stroller with a height-adjustable baby carriage according to an embodiment of the present invention includes: The frame is provided with a plug-in groove, and the side wall of the plug-in groove is provided with at least two limiting grooves, and the at least two limiting grooves are spaced apart along the concave direction of the plug-in groove; A baby carriage includes a carriage body and a plug-in assembly disposed on the carriage body. The plug-in assembly includes a first housing, a first cover, a limiting member, a transmission member, and a pressing member. The first housing has a receiving groove, and the first cover covers the receiving groove. The side wall of the receiving groove has a first through hole and a second through hole. The transmission member is movably disposed in the receiving groove. The limiting member is movably disposed through the first through hole, and the pressing member is movably disposed through the second through hole. A first linkage structure is provided between the limiting member and the transmission member. The transmission member drives the limiting member to enter or exit the limiting groove through the first linkage structure. A second linkage structure is provided between the pressing member and the transmission member. The pressing member drives the transmission member to move through the second linkage structure, so that the limiting member enters or exits the limiting groove.

[0005] The stroller with a height-adjustable baby carriage according to an embodiment of the present invention has at least the following beneficial effects: When the height of the carriage body needs to be lowered, the user can move the pressing component. The pressing component, through the second linkage structure, drives the transmission component upward. The transmission component, through the first linkage structure, drives the limiting component out of the upper limiting slot, allowing the entire plug-in assembly to move downward. Then, moving the pressing component in the opposite direction, the pressing component, through the second linkage structure, drives the transmission component downward. The transmission component, through the first linkage structure, drives the limiting component into the lower limiting slot, thus lowering the height of the carriage body. When the height of the carriage body needs to be raised, the user can move the pressing component. The pressing component, through the second linkage structure, drives the transmission component upward. The transmission component, through the first linkage structure, drives the limiting component out of the lower limiting slot, allowing the entire plug-in assembly to move upward. Then, moving the pressing component in the opposite direction, the pressing component, through the second linkage structure, drives the transmission component downward. The transmission component, through the first linkage structure, drives the limiting component into the upper limiting slot, thus raising the height of the carriage body. This allows the carriage body to be raised and lowered relative to the frame to adjust its height, thus facilitating user operation.

[0006] According to some embodiments of the present invention, the first linkage structure includes a first linkage shaft disposed on the limiting member and an oblong hole disposed on the transmission member. The length direction of the oblong hole is staggered with the concave direction of the insertion groove. The first linkage shaft passes through the oblong hole and abuts against the side wall of the oblong hole, so that the limiting member retracts into the first through hole.

[0007] According to some embodiments of the present invention, the opposite sidewalls of the insertion slot are respectively provided with the first through hole, and two corresponding limiting members are configured.

[0008] According to some embodiments of the present invention, the first linkage structure further includes a first elastic member, which is disposed between the first housing and the transmission member. The first elastic member is used to move the transmission member along the recessed direction of the insertion groove so that the limiting member extends out of the first through hole.

[0009] According to some embodiments of the present invention, the second linkage structure includes a second linkage shaft disposed on the transmission member and a linkage groove disposed on the pressing member. The linkage groove includes a first groove and a second groove. The second groove is disposed on the bottom wall of the first groove. Along the concave direction of the second groove, the width of the second groove gradually decreases. The second linkage shaft is accommodated in the first groove or the second groove.

[0010] According to some embodiments of the present invention, the second linkage structure further includes a second elastic element, which is disposed between the first housing and the pressing element, and is used to cause the pressing element to extend out of the second through hole.

[0011] According to some embodiments of the present invention, the plug-in assembly further includes a pusher, the first cover is provided with a clearance hole communicating with the receiving groove, a portion of the pusher is provided in the receiving groove, and the pusher can move along the direction of extending out or retracting the clearance hole. The pusher is provided with a first inclined surface, the first inclined surface abuts against the end of the transmission member away from the pressing member, so that the limiting member moves along the direction of retracting the receiving groove. When the limiting member extends out of the first through hole, the pusher extends out of the clearance hole.

[0012] According to some embodiments of the present invention, the pusher has a second inclined surface on the side opposite to the first inclined surface, and the second inclined surface can abut against the side wall of the clearance hole so that the pusher retracts into the receiving groove.

[0013] According to some embodiments of the present invention, the pushing member has a third inclined surface on the side facing the bottom wall of the insertion groove. The third inclined surface is located on the side of the pushing member away from the second inclined surface. Before the limiting member enters the insertion groove, the third inclined surface can abut against the side wall of the insertion groove.

[0014] According to some embodiments of the present invention, the frame includes a front leg tube, a rear leg tube, and a pivot member. The front leg tube is pivotally connected to the rear leg tube so that the frame has an unfolded state and a folded state. The pivot member is fixedly connected to the rear leg tube, and the insertion slot is provided in the pivot member.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a structural schematic diagram of a stroller with a liftable baby carriage according to an embodiment of the present utility model; Figure 2 This is an exploded view of a stroller with a height-adjustable baby carriage according to an embodiment of the present invention. Figure 3 This is a schematic diagram of the structure of the pivot member according to an embodiment of the present utility model; Figure 4 This is an exploded view of the pivot member according to an embodiment of the present utility model; Figure 5 This is an exploded view of the baby carriage according to an embodiment of the present utility model; Figure 6 This is a schematic diagram of the structure of the plug-in assembly according to an embodiment of the present utility model; Figure 7 This is an exploded view of the plug-in assembly according to an embodiment of the present utility model; Figure 8 This is a schematic diagram of the structure of the first housing according to an embodiment of the present utility model; Figure 9 This is an assembly diagram of the transmission component, limiting component, pressing component, pushing component, first elastic component, and second elastic component according to an embodiment of the present utility model. Figure 10 for Figure 9 Side view; Figure 11 for Figure 9 The front view; Figure 12 for Figure 9 Rear view.

[0017] Figure label: Frame 100, insertion groove 101, limiting groove 102, front leg tube 110, rear leg tube 120, pivot 130, second housing 131, second cover 132; The carriage body is 200; The components include: plug-in assembly 300, first housing 310, receiving groove 311, first through hole 312, second through hole 313, first cover 320, clearance hole 321, limiting member 330, first linkage shaft 331, transmission member 340, waist-shaped hole 341, second linkage shaft 342, pressing member 350, linkage groove 351, first groove 352, second groove 353, first elastic member 360, second elastic member 370, pushing member 380, first inclined surface 381, second inclined surface 382, ​​and third inclined surface 383. Detailed Implementation

[0018] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0019] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0020] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0021] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0022] In related technologies, strollers include a stroller compartment and a frame. The stroller compartment is installed on top of the frame and its height cannot be adjusted, making it inconvenient for users.

[0023] Reference Figures 1 to 9 According to an embodiment of the present invention, a stroller with a height-adjustable baby carriage includes a frame 100 and a baby carriage. The frame 100 is provided with a insertion groove 101, and the side wall of the insertion groove 101 is provided with at least two limiting grooves 102. The at least two limiting grooves 102 are spaced apart along the concave direction of the insertion groove 101. The baby carriage includes a carriage body 200 and an insertion assembly 300 disposed on the carriage body 200. The insertion assembly 300 includes a first housing 310, a first cover 320, a limiting member 330, a transmission member 340, and a pressing member 350. The first housing 310 is provided with a receiving groove 311, and the first cover 320 covers the receiving groove 311. The side wall of the receiving groove 311 is provided with a first through hole 312 and a second through hole 313. The transmission component 340 is movably disposed in the receiving groove 311, the limiting component 330 is movably disposed through the first through hole 312, and the pressing component 350 is movably disposed through the second through hole 313. A first linkage structure is provided between the limiting component 330 and the transmission component 340. The transmission component 340 drives the limiting component 330 to enter or exit the limiting groove 102 through the first linkage structure. A second linkage structure is provided between the pressing component 350 and the transmission component 340. The pressing component 350 drives the transmission component 340 to move through the second linkage structure, so that the limiting component 330 enters or exits the limiting groove 102. In this way, the carriage body 200 can be raised and lowered relative to the frame 100 to adjust the height of the carriage body 200, thereby facilitating user use.

[0024] For example, when it is necessary to lower the height of the carriage body 200, the user can move the pressing member 350. The pressing member 350 drives the transmission member 340 upward through the second linkage structure. The transmission member 340 drives the limiting member 330 out of the upper limiting groove 102 through the first linkage structure, so that the entire plug-in assembly 300 can move downward. Then, the pressing member 350 is moved in the opposite direction. The pressing member 350 drives the transmission member 340 downward through the second linkage structure. The transmission member 340 drives the limiting member 330 into the lower limiting groove 102 through the first linkage structure, thus lowering the height of the carriage body 200. When it is necessary to raise the height of the carriage body 200, the user... The height of the carriage body 200 can be increased by moving the pressing member 350, which drives the transmission member 340 upward through the second linkage structure. The transmission member 340 then drives the limiting member 330 out of the lower limiting groove 102 through the first linkage structure, allowing the entire plug-in assembly 300 to move upward. Then, the pressing member 350 can be moved in the opposite direction, which drives the transmission member 340 downward through the second linkage structure. The transmission member 340 then drives the limiting member 330 into the upper limiting groove 102 through the first linkage structure. This allows the height of the carriage body 200 to be raised or lowered relative to the frame 100, thus adjusting the height of the carriage body 200 for user convenience.

[0025] Reference Figure 7 , Figure 9 In some embodiments of this utility model, the first linkage structure includes a first linkage shaft 331 disposed on the limiting member 330 and an oblong hole 341 disposed on the transmission member 340. The length direction of the oblong hole 341 is staggered with the concave direction of the insertion groove 101. The first linkage shaft 331 passes through the oblong hole 341 and abuts against the side wall of the oblong hole 341, so that the limiting member 330 can extend out of the first through hole 312, so that the limiting member 330 can enter the limiting groove 102 and abut against the side wall of the limiting groove 102, thereby restricting the insertion assembly 300 from moving in the insertion groove 101, thereby fixing the position of the carriage body 200.

[0026] For example, the waist-shaped hole 341 is a strip structure. The length direction of the waist-shaped hole 341 is inclined to the concave direction of the insertion groove 101. Along the concave direction of the insertion groove 101, the minimum distance between the side wall of the waist-shaped hole 341 and the center line of the insertion groove 101 gradually increases. When the transmission member 340 moves along the concave direction of the insertion groove 101, the first linkage shaft 331 abuts against the side wall of the waist-shaped hole 341 to drive the limiting member 330 to move along the direction of extending out of the first through hole 312, so that the limiting member 330 can enter the limiting groove 102 and abut against the side wall of the limiting groove 102, thereby restricting the movement of the insertion assembly 300 in the insertion groove 101 and fixing the position of the carriage body 200.

[0027] It should be noted that the positions of the first linkage shaft 331 and the waist-shaped hole 341 can also be interchanged. That is, the first linkage shaft 331 is located on the transmission member 340, and the transmission member 340 can also drive the limiting member 330 to move in the direction of entering the limiting groove 102. This is not restricted here.

[0028] As another implementation, the first linkage structure can also be a structure in which the first pressing inclined surface and the second pressing inclined surface cooperate. For example, the first pressing inclined surface is provided on the transmission member 340, and the second pressing inclined surface is provided on the limiting member 330. The first pressing inclined surface and the second pressing inclined surface abut against each other. The transmission member 340 can also drive the limiting member 330 to move in the direction of entering the limiting groove 102. This is not limited here.

[0029] It should be noted that the waist-shaped hole 341 can also be an arc-shaped structure, and there is no restriction here.

[0030] Reference Figure 7 , Figure 8 In some embodiments of this utility model, the opposite sidewalls of the insertion groove 101 are respectively provided with first through holes 312, and two limiting members 330 are correspondingly configured, so that the transmission member 340 is subjected to uniform force, which can improve the service life of the insertion assembly 300.

[0031] For example, when the transmission component 340 drives the two limiting components 330 to move along the direction of entering the limiting groove 102, the two limiting components 330 apply forces to the transmission component 340 respectively. Since the directions of the forces applied by the two limiting components 330 are opposite and the magnitudes of the two forces are opposite, the two forces cancel each other out, so that the transmission component 340 is subjected to uniform force, which can improve the service life of the plug-in assembly 300.

[0032] Reference Figure 7 In some embodiments of this utility model, the first linkage structure further includes a first elastic member 360. The first elastic member 360 is disposed between the first housing 310 and the transmission member 340. The first elastic member 360 is used to move the transmission member 340 along the recessed direction of the insertion groove 101 so that the limiting member 330 extends out of the first through hole 312, so that the transmission member 340 can automatically push the limiting member 330 to move, which can facilitate user use.

[0033] For example, the first elastic element 360 is a compression spring or a rubber component that can undergo axial elastic deformation. One end of the first elastic element 360 abuts against the first housing 310, and the other end of the first elastic element 360 abuts against the transmission element 340. When the transmission element 340 moves away from the bottom wall of the insertion groove 101, the first elastic element 360 is compressed. Under the action of its own elastic potential energy, the first elastic element 360 drives the transmission element 340 to move away from the concave direction of the insertion groove 101, so that the limiting element 330 extends out of the first through hole 312, so that the transmission element 340 can automatically push the limiting element 330 to move, which is convenient for users.

[0034] Reference Figure 12 In some embodiments of this utility model, the second linkage structure includes a second linkage shaft 342 disposed on the transmission member 340 and a linkage groove 351 disposed on the pressing member 350. The linkage groove 351 includes a first groove 352 and a second groove 353. The second groove 353 is disposed on the bottom wall of the first groove 352. Along the concave direction of the second groove 353, the width of the second groove 353 gradually decreases. The second linkage shaft 342 is accommodated in the first groove 352 or the second groove 353, which facilitates the lifting and lowering of the carriage body 200.

[0035] For example, when it is necessary to lower the height of the carriage body 200, the user can move the pressing member 350 so that the second linkage shaft 342 moves upward along the side wall of the second groove 353 into the first groove 352, thereby raising the transmission member 340. The transmission member 340 drives the limiting member 330 to exit the upper limiting groove 102 through the first linkage structure. Then, the plugging assembly 300 moves along the recessed direction of the plugging groove 101. After moving to the preset position, the pressing member 350 moves in the opposite direction so that the second linkage shaft 342 exits the first groove 352 and moves to the top of the second groove 353. The transmission member 340 moves downward under the action of the first elastic member 360 so that the transmission member 340 drives the limiting member 330 to move in the direction of entering the limiting groove 102, which facilitates the raising and lowering of the carriage body 200.

[0036] It should be noted that the positions of the linkage groove 351 and the second linkage shaft 342 can also be interchanged, that is, the second linkage shaft 342 is located on the pressing member 350 and the linkage groove 351 is located on the transmission member 340, which can also facilitate the lifting and lowering of the carriage body 200. No restrictions are imposed here.

[0037] As another implementation, the second linkage structure can also be a structure in which the third pressing slope and the fourth pressing slope cooperate. For example, the third pressing slope is provided on the transmission member 340, and the fourth pressing slope is provided on the pressing member 350. The third pressing slope and the fourth pressing slope abut against each other, which can also facilitate the lifting and lowering of the carriage body 200. No limitation is made here.

[0038] Reference Figure 12 In some embodiments of this utility model, the second linkage structure further includes a second elastic element 370. The second elastic element 370 is disposed between the first housing 310 and the pressing element 350. The second elastic element 370 is used to make the pressing element 350 extend out of the second through hole 313, so that the pressing element 350 can automatically extend out of the second through hole 313 without the user having to manually pull out the pressing element 350, which makes it convenient for the user to use.

[0039] For example, the second elastic element 370 is a compression spring or a rubber component capable of axial elastic deformation. One end of the second elastic element 370 abuts against the pressing element 350, and the other end of the second elastic element 370 abuts against the first housing 310. When the user presses the pressing element 350, the second elastic element 370 is compressed, and the second linkage shaft 342 moves upward along the side wall of the second groove 353 into the first groove 352. When the user releases the pressing element 350, under the elastic action of the second elastic element 370, the pressing element 350 automatically moves in the direction of extending out of the second through hole 313. At this time, the second linkage shaft 342 is located above the second groove 353. Under the action of the first elastic element 360, the transmission element 340 moves downward, and the second linkage shaft 342 enters the second groove 353. At the same time, the transmission element 340 drives the limiting element 330 to move in the direction of extending out of the first through hole 312. The user does not need to manually pull out the pressing element 350, which makes it convenient for the user to use.

[0040] Reference Figures 9 to 11 In some embodiments of this utility model, the plug-in assembly 300 further includes a pusher 380. The first cover 320 is provided with a clearance hole 321 that communicates with the receiving groove 311. A portion of the pusher 380 is disposed in the receiving groove 311, and the pusher 380 can move along the direction of extending or retracting from the clearance hole 321. The pusher 380 is provided with a first inclined surface 381, which abuts against the end of the transmission member 340 away from the pressing member 350, so that the limiting member 330 moves along the direction of retracting from the receiving groove 311. When the limiting member 330 extends out of the first through hole 312, the pusher 380 extends out of the clearance hole 321. The pusher 380 can push the transmission member 340 so that the transmission member 340 moves upward. The transmission member 340 drives the limiting member 330 out of the limiting groove 102 through the first linkage structure, so that when the plug-in assembly 300 is inserted, it is not necessary to press the pressing member 350.

[0041] In some embodiments of this utility model, the pusher 380 is provided with a second inclined surface 382 on the side opposite to the first inclined surface 381. The second inclined surface 382 can abut against the side wall of the clearance hole 321 so that the pusher 380 retracts into the receiving groove 311. This can prevent the pusher 380 from interfering with the first cover 320 when disassembling the plug-in assembly 300, thereby facilitating the user to disassemble the stroller compartment.

[0042] In some embodiments of this utility model, the pusher 380 is provided with a third inclined surface 383 on the side facing the bottom wall of the insertion groove 101. The third inclined surface 383 is located on the side of the pusher 380 away from the second inclined surface 382. Before the limiting member 330 enters the insertion groove 101, the third inclined surface 383 can abut against the side wall of the insertion groove 101 so that the pusher 380 retracts into the receiving groove 311. When the insertion assembly 300 is inserted, the pusher 380 can automatically retract into the clearance hole 321 to avoid interference between the pusher 380 and the first cover 320, which can facilitate the user to install the stroller.

[0043] In some embodiments of this utility model, the frame 100 includes a front leg tube 110, a rear leg tube 120, and a pivot member 130. The front leg tube 110 is pivotally connected to the rear leg tube 120 so that the frame 100 has an unfolded state and a folded state. The pivot member 130 is fixedly connected to the rear leg tube 120. The insertion slot 101 is provided in the pivot member 130 to facilitate the user's use or storage of the stroller.

[0044] It should be noted that the pivot member 130 includes a second housing 131 and a second cover 132 covering the second housing 131. The second housing 131 and the second cover 132 form an insertion groove 101. A limiting groove 102 is provided on the second housing 131. The second cover 132 is detachably connected to the second housing 131, which facilitates the manufacturing of the pivot member 130. Further details will not be provided here.

[0045] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0046] The present invention has been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the invention.

Claims

1. A stroller with a liftable baby carriage, characterized in that, include: The frame (100) is provided with a plug groove (101), and the side wall of the plug groove (101) is provided with at least two limiting grooves (102), and the at least two limiting grooves (102) are spaced apart along the concave direction of the plug groove (101); A baby carriage includes a carriage body (200) and a plug-in assembly (300) disposed on the carriage body (200). The plug-in assembly (300) includes a first housing (310), a first cover (320), a limiting member (330), a transmission member (340), and a pressing member (350). The first housing (310) is provided with a receiving groove (311), and the first cover (320) covers the receiving groove (311). The side wall of the receiving groove (311) is provided with a first through hole (312) and a second through hole (313). The transmission member (340) is movably disposed in the receiving groove (311), and the limiting member (330) is movable. The pressing member (350) is movably inserted through the first through hole (312), and the pressing member (350) is movably inserted through the second through hole (313). A first linkage structure is provided between the limiting member (330) and the transmission member (340). The transmission member (340) drives the limiting member (330) to enter or exit the limiting groove (102) through the first linkage structure. A second linkage structure is provided between the pressing member (350) and the transmission member (340). The pressing member (350) drives the transmission member (340) to move through the second linkage structure, so that the limiting member (330) enters or exits the limiting groove (102).

2. The stroller with a height-adjustable baby carriage according to claim 1, characterized in that, The first linkage structure includes a first linkage shaft (331) disposed on the limiting member (330) and an oblong hole (341) disposed on the transmission member (340). The length direction of the oblong hole (341) is staggered with the concave direction of the insertion groove (101). The first linkage shaft (331) passes through the oblong hole (341) and abuts against the side wall of the oblong hole (341) so that the limiting member (330) retracts into the first through hole (312).

3. The stroller with a height-adjustable baby carriage according to claim 2, characterized in that, The opposite sidewalls of the insertion slot (101) are respectively provided with the first through hole (312), and two corresponding limiting members (330) are configured.

4. The stroller with a height-adjustable baby carriage according to claim 2, characterized in that, The first linkage structure further includes a first elastic element (360), which is disposed between the first housing (310) and the transmission element (340). The first elastic element (360) is used to move the transmission element (340) along the recessed direction of the insertion groove (101) so that the limiting element (330) extends out of the first through hole (312).

5. The stroller with a height-adjustable baby carriage according to claim 1, characterized in that, The second linkage structure includes a second linkage shaft (342) disposed on the transmission member (340) and a linkage groove (351) disposed on the pressing member (350). The linkage groove (351) includes a first groove (352) and a second groove (353). The second groove (353) is disposed on the bottom wall of the first groove (352). Along the concave direction of the second groove (353), the width of the second groove (353) gradually decreases. The second linkage shaft (342) is accommodated in the first groove (352) or the second groove (353).

6. The stroller with a height-adjustable baby carriage according to claim 5, characterized in that, The second linkage structure further includes a second elastic element (370), which is disposed between the first housing (310) and the pressing element (350). The second elastic element (370) is used to make the pressing element (350) extend out of the second through hole (313).

7. The stroller with a height-adjustable baby carriage according to claim 1, characterized in that, The plug-in assembly (300) further includes a pusher (380). The first cover (320) is provided with a clearance hole (321) communicating with the receiving groove (311). A portion of the pusher (380) is disposed in the receiving groove (311), and the pusher (380) can move in the direction of extending out or retracting the clearance hole (321). The pusher (380) is provided with a first inclined surface (381). The first inclined surface (381) abuts against the end of the transmission member (340) away from the pressing member (350) so that the limiting member (330) moves in the direction of retracting the receiving groove (311). When the limiting member (330) extends out of the first through hole (312), the pusher (380) extends out of the clearance hole (321).

8. The stroller with a height-adjustable baby carriage according to claim 7, characterized in that, The pusher (380) has a second inclined surface (382) on the side opposite to the first inclined surface (381). The second inclined surface (382) can abut against the side wall of the clearance hole (321) so that the pusher (380) retracts into the receiving groove (311).

9. The stroller with a height-adjustable baby carriage according to claim 8, characterized in that, The pusher (380) has a third inclined surface (383) on the side facing the bottom wall of the insertion groove (101). The third inclined surface (383) is located on the side of the pusher (380) away from the second inclined surface (382). Before the limiting member (330) enters the insertion groove (101), the third inclined surface (383) can abut against the side wall of the insertion groove (101).

10. The stroller with a height-adjustable baby carriage according to claim 1, characterized in that, The frame (100) includes a front leg tube (110), a rear leg tube (120), and a pivot (130). The front leg tube (110) is pivotally connected to the rear leg tube (120) so that the frame (100) has an unfolded state and a folded state. The pivot (130) is fixedly connected to the rear leg tube (120), and the insertion slot (101) is provided on the pivot (130).

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