CN220447955U - Baby carriage capable of being folded through backrest linkage - Google Patents

Abstract

The utility model belongs to the field of strollers, and in particular relates to a stroller which is folded through backrest linkage and comprises a frame main body, a first joint, a connecting pipe, a second joint, a backrest and a button, wherein the first joint is arranged on the frame main body, the connecting pipe is arranged in the first joint, the second joint is arranged on the connecting pipe, the backrest is arranged on the second joint, the button is arranged on the backrest, a traction rope is arranged on the button, the traction rope penetrates through the backrest, and the traction rope penetrates through the connecting pipe. According to the utility model, the push button on the backrest is pressed inwards, so that the traction rope controls the second joint and the first joint to work, the whole device can be unlocked through the second joint and the first joint, the whole device can be linked and folded, the folding control is convenient, the device can be folded and stored when in idle, and the occupied space is smaller.

Description

Baby carriage capable of being folded through backrest linkage

Technical Field

The utility model relates to the technical field of strollers, in particular to a stroller folded by a backrest linkage whole stroller.

Background

The baby carriage is a tool carriage designed for facilitating outdoor activities of babies, and has various vehicle types, and generally, the baby carriage is played by children of 1 to 2 years old, and the toy carriage with wheels is played by children of 2 years old, so that the baby carriage brings certain benefits to the intelligence development of the children, and the brain development of the children is increased. The baby carriage is a favorite walking vehicle for babies, and is a necessary product for the babies to shop on the street. However, the strollers are classified into various types according to the growth and use of babies. Mainly according to the load capacity as standard, and the general test standard is nine to fifteen kilograms. Typical strollers are available for about four to five years.

The baby carriage in the prior art can be folded and stored generally, but the whole baby carriage needs to be folded through multi-step operation control in the folding and storage process, so that the storage control is not convenient enough.

Disclosure of Invention

The utility model aims to provide a baby carriage which is folded by a backrest linkage whole carriage, and solves the problem that the whole baby carriage is required to be folded through multi-step operation control in the folding and storage process, and the storage control is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a baby carriage that whole car of back linkage was folded up, includes frame main part, first joint, connecting tube, second joint, back, button, be provided with first joint in the frame main part, be provided with the connecting tube in the first joint, be provided with the second joint on the connecting tube, be provided with the back on the second joint, be provided with the button on the back, be provided with the haulage rope on the button, the haulage rope runs through the back, the haulage rope runs through the connecting tube.

In addition, the preferred structure is, first joint includes first shell, first protecting crust, first linkage piece, first gear wheel, first pinion, first shell and frame main part pass through screw connection, first protecting crust and connecting pipe pass through screw connection, first shell and first protecting crust rotate to be connected, be provided with first gear wheel in the first shell, the lockpin position and the haulage rope fixed connection on the first gear wheel, be provided with first pinion in the first gear wheel, first pinion and first shell sliding connection, first pinion is located first protecting crust. By providing the first joint, the frame body and the connecting tube can be folded.

In addition, the first shell is fixedly connected with a first linkage block, and the first linkage block is in sliding connection with the first large gear. By arranging the first linkage block, the first large gear and the first small gear can be linked.

In addition, the preferred structure is, the second joint includes second shell, second protection shell, lockpin, spring, second gear wheel, second pinion, bolt, the connecting tube passes through the screw connection with the second shell, second protection shell passes through the screw connection with the back, second shell and second protection shell rotate to be connected, sliding connection has the lockpin in the second shell, be provided with the second gear wheel in the second shell, lockpin and second gear wheel sliding connection, lockpin and haulage rope fixed connection, be provided with the second pinion on the second gear wheel, the second pinion is located the second protection shell. By providing a second joint, the connecting tube and the backrest can be folded before.

In addition, it is preferable that a spring is provided in the second housing, the spring being located between the lock pin and the second large gear. By arranging the spring, the second large gear can be ejected out.

In addition, it is preferable that a pin is provided in the second large gear, and the pin is slidably connected to the second small gear. Through setting up the bolt for second gear wheel and second pinion can link.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the push button on the backrest is pressed inwards, so that the traction rope controls the second joint and the first joint to work, the whole device can be unlocked through the second joint and the first joint, the whole device can be linked and folded, the folding control is convenient, the device can be folded and stored when in idle, and the occupied space is smaller.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is an exploded view of the first joint of FIG. 1 according to the present utility model;

FIG. 3 is a perspective view of the backrest of FIG. 1 in accordance with the present utility model;

FIG. 4 is an exploded view of the second joint of FIG. 1 according to the present utility model;

fig. 5 is a folded perspective view of fig. 1 according to the present utility model.

In the figure: 1. a frame body; 2. a first joint; 3. a connecting pipe; 4. a second joint; 5. a backrest; 6. a button; 21. a first housing; 22. a first protective shell; 23. a first linkage block; 24. a first gearwheel; 25. a first pinion gear; 41. a second housing; 42. a second protective shell; 44. a locking pin; 45. a spring; 46. a second gearwheel; 47. a second pinion gear; 48. a bolt.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 3 and 5, a stroller folded by backrest linkage comprises a frame body 1, a first joint 2, a connecting tube 3, a second joint 4, a backrest 5 and a button 6, wherein the first joint 2 is arranged on the frame body 1, the connecting tube 3 is arranged in the first joint 2, the second joint 4 is arranged on the connecting tube 3, the backrest 5 is arranged on the second joint 4, the button 6 is arranged on the backrest 5, a traction rope is arranged on the button 6 and penetrates through the backrest 5, and the traction rope penetrates through the connecting tube 3.

The first joint 2 comprises a first shell 21, a first protective shell 22, a first linkage block 23, a first large gear 24 and a first small gear 25, wherein the first shell 21 and the frame main body 1 are connected through screws, the first protective shell 22 and the connecting tube 3 are connected through screws, the first shell 21 and the first protective shell 22 are connected in a rotating mode, the first large gear 24 is arranged in the first shell 21, a locking pin position on the first large gear 24 is fixedly connected with a traction rope, the first small gear 25 is arranged in the first large gear 24, the first linkage block 23 is fixedly connected with the first shell 21, the first linkage block 23 is in sliding connection with the first large gear 24, the first small gear 25 and the first shell 21 are in sliding connection, the first small gear 25 is located in the first protective shell 22, and the frame main body 1 and the connecting tube 3 can be folded through the arrangement of the first joint 2.

The second joint 4 comprises a second housing 41, a second protective housing 42, a lock pin 44, a spring 45, a second large gear 46, a second small gear 47 and a latch 48, the connecting tube 3 and the second housing 41 are connected through screws, the second protective housing 42 and the backrest 5 are connected through screws, the second housing 41 and the second protective housing 42 are connected in a rotating mode, the lock pin 44 is connected in a sliding mode in the second housing 41, the second large gear 46 is arranged in the second housing 41, the lock pin 44 is connected with the second large gear 46 in a sliding mode, the lock pin 44 is fixedly connected with a traction rope, the spring 45 is arranged in the second housing 41, the spring 45 is located between the lock pin 44 and the second large gear 46, the second large gear 46 can be ejected through the spring 45, the second small gear 47 is arranged on the second large gear 46, the second small gear 47 is located in the second protective housing 42, the connecting tube 3 and the backrest 5 can be folded before the latch 46 is arranged, the second large gear 46 is provided with the second large gear 48, the second large gear 47 is connected with the second large gear 47 in a sliding mode, and the second large gear 46 is arranged to be linked with the second large gear 46.

In this embodiment, the following will be described: the push button 6 on the backrest 5 is pressed inwards, the lock pin 44 in the second joint 4 is pulled to move upwards under the action of the traction rope, meanwhile, the second pinion 47 rotates, the wave structure of the outer wall surface of the second pinion 47 is matched with the inner side surface of the second shell 41 of the second joint 4 in the rotation process, so that the second large gear 46 is separated and ejected from the inner wall of the second shell 41, the second joint 4 on the backrest 5 can be folded, meanwhile, the traction rope lock pin position in the first joint 2 is pulled by the traction rope while the second joint 4 is folded, the first pinion 25 is driven to rotate, the structure of the second joint 4 is the same, and the wave structure of the outer wall of the first pinion 25 is utilized to eject the first pinion 25 to be communicated with the first large gear 24 outwards in the rotation process, so that the first joint 2 is unlocked and folded.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a through whole car of back linkage folding perambulator, includes frame main part (1), first joint (2), connecting tube (3), second joint (4), back (5), button (6), its characterized in that: be provided with first joint (2) on frame main part (1), be provided with connecting pipe (3) in first joint (2), be provided with second joint (4) on connecting pipe (3), be provided with back (5) on second joint (4), be provided with button (6) on back (5), be provided with the haulage rope on button (6), the haulage rope runs through back (5), the haulage rope runs through connecting pipe (3).

2. A stroller for folding by backrest linkage according to claim 1, wherein: the first joint (2) comprises a first shell (21), a first protective shell (22), a first linkage block (23), a first large gear (24) and a first small gear (25), wherein the first shell (21) and the frame main body (1) are connected through screws, the first protective shell (22) and the connecting pipe (3) are connected through screws, the first shell (21) and the first protective shell (22) are rotationally connected, the first large gear (24) is arranged in the first shell (21), a locking pin position on the first large gear (24) is fixedly connected with a traction rope, the first small gear (25) is arranged in the first large gear (24), the first small gear (25) is slidably connected with the first shell (21), and the first small gear (25) is positioned in the first protective shell (22).

3. A stroller for folding by backrest linkage according to claim 2, wherein: the first shell (21) is fixedly connected with a first linkage block (23), and the first linkage block (23) is in sliding connection with a first large gear (24).

4. A stroller for folding by backrest linkage according to claim 1, wherein: the second joint (4) comprises a second shell (41), a second protective shell (42), a lock pin (44), a spring (45), a second large gear (46), a second small gear (47) and a bolt (48), wherein the connecting tube (3) is connected with the second shell (41) through bolts, the second protective shell (42) is connected with the backrest (5) through bolts, the second shell (41) is rotationally connected with the second protective shell (42), the lock pin (44) is connected in the second shell (41) in a sliding manner, the second large gear (46) is arranged in the second shell (41), the lock pin (44) is connected with the second large gear (46) in a sliding manner, the lock pin (44) is fixedly connected with the traction rope, the second small gear (47) is arranged on the second large gear (46), and the second small gear (47) is located in the second protective shell (42).

5. The stroller for folding by backrest linkage as recited in claim 4, wherein: a spring (45) is arranged in the second shell (41), and the spring (45) is positioned between the lock pin (44) and the second large gear (46).

6. The stroller for folding by backrest linkage as recited in claim 4, wherein: a bolt (48) is arranged in the second large gear (46), and the bolt (48) is in sliding connection with the second small gear (47).