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CN-224197810-U - Foldable baby stroller

CN224197810UCN 224197810 UCN224197810 UCN 224197810UCN-224197810-U

Abstract

The utility model discloses a foldable baby stroller, which comprises a front support, a seat and armrests, wherein the seat comprises a seat plate and a backrest, the seat plate is pivoted with the front support, the lower side of the backrest is pivoted with the front support or/and the seat plate, the rear side of the armrests is pivoted with the front support or/and the seat plate, an armrest locking mechanism used for limiting the relative rotation of the armrests is arranged between the rear side of the armrests and the front support or/and the seat plate, the backrest is matched with the armrest locking mechanism, and the backrest and the armrest locking mechanism are matched to form a linkage unlocking mechanism in the folding process. By the arrangement, the folding rotation of the backrest and the unlocking of the armrests can be completed through one operation action, and an additional independent operation is not needed to unlock the armrests locking mechanism, so that the folding operation of the baby stroller is simpler and more convenient.

Inventors

  • WANG WEI
  • SHANG XUEHUI

Assignees

  • 布童物联网科技(上海)有限公司
  • 不同集团国际有限公司

Dates

Publication Date
20260505
Application Date
20250401

Claims (13)

  1. 1. A collapsible stroller characterized by: comprising the following steps: a front bracket; the seat comprises a seat board and a backrest, wherein the seat board is pivoted with the front bracket, and the lower side of the backrest is pivoted with the front bracket or/and the seat board; The back side of the armrest is pivoted with the front bracket or/and the seat board, and an armrest locking mechanism for limiting the relative rotation of the armrest is arranged between the back side of the armrest and the front bracket or/and the seat board; the backrest and the armrest locking mechanism are matched, and the backrest and the armrest locking mechanism are matched, so that the backrest can be in linkage unlocking with the armrest locking mechanism in the folding rotation process.
  2. 2. The foldable stroller of claim 1, wherein a seat plate locking mechanism for limiting relative rotation of the seat plate and the front support is arranged between the seat plate and the front support, a linkage unlocking device is also arranged between the seat plate locking mechanism and the armrest locking mechanism in a matched mode, and the seat plate locking mechanism, the armrest locking mechanism and the linkage unlocking device are arranged in a matched mode, when the armrest locking mechanism is unlocked, the linkage unlocking device is linked to unlock the seat plate locking mechanism.
  3. 3. The foldable stroller of claim 2, wherein the front support is provided with a front support pivot seat on an upper side thereof, the front support pivot seat includes a second body and a receiving portion extending from the second body in a seat direction, the rear side of the armrest is provided with an annular armrest pivot seat rotatably sleeved outside the receiving portion, and the armrest locking mechanism is disposed between the armrest pivot seat and the front support pivot seat.
  4. 4. The stroller of claim 3, wherein the lower side of the backrest is provided with an annular backrest pivot seat, at least one side of the annular backrest pivot seat is rotatably sleeved outside the accommodating portion, and the armrest pivot seat is positioned between the front bracket pivot seat second body and the backrest pivot seat.
  5. 5. The foldable stroller of claim 4, wherein the front support pivot seat has a first slot on a side facing the seat, the armrest locking mechanism includes a locking slot formed in an annular wall of the armrest pivot seat, a third locking member movably connected to the backrest pivot seat in a vertical direction, and a fifth elastic member disposed between the third locking member and the backrest pivot seat, the third locking member includes a main body and a locking portion disposed at a lower end of the main body, the main body is movably disposed in the first slot in a vertical direction, a through hole penetrating vertically is formed at a lower side of the accommodating portion, and the third locking member moves downward under the action of the fifth elastic member, and the locking portion of the third locking member is inserted into the locking slot of the armrest pivot seat after penetrating downward out of the through hole.
  6. 6. The foldable stroller of claim 5, wherein the third locking member further comprises a linkage part arranged at the lower end of the second body and positioned at one side of the locking part facing the seat plate, the linkage part also penetrates out of the through hole downwards, a driving inclined surface is arranged on the annular wall of the annular backrest pivot seat, a driven inclined surface capable of being matched with the driving inclined surface is arranged on the linkage part, and when the backrest is folded and rotated, the third locking member is driven to move upwards to be separated from the locking groove through the matching of the driving inclined surface and the driven inclined surface, and the handrail locking mechanism is unlocked.
  7. 7. The foldable stroller of claim 5, wherein the interlocking unlocking device comprises a push block which is arranged between the third locking piece and the seat plate locking mechanism in a relatively movable manner, a corresponding protrusion and a corresponding groove are arranged between the push block and the third locking piece main body, the lower side surface of the protrusion is provided with an inclined surface, the lower side wall corresponding to the groove is also provided with an inclined surface, and when the third locking piece is driven to move upwards, the push block is driven to move towards the direction of the seat plate to unlock the seat plate locking mechanism through the matching of the inclined surface on the protrusion and the groove.
  8. 8. The foldable stroller of claim 7, wherein the seat plate is provided with a seat plate pivot seat, the seat plate pivot seat is pivoted with the front support pivot seat, the seat plate locking mechanism is arranged between the seat plate pivot seat and the front support pivot seat, the first groove is provided with a first tooth groove, the seat plate locking mechanism comprises the first tooth groove, a second tooth groove arranged on one side of the seat plate pivot seat facing the front support pivot seat, a first gear arranged in the first tooth groove and the second tooth groove in a relatively movable manner, a fourth elastic piece arranged between the first gear and the seat plate pivot seat, and the pushing block is arranged between the first gear and the third locking piece.
  9. 9. The foldable stroller of claim 8, wherein the seat plate pivot seat comprises a third body and a receiving portion extending from the third body in a direction toward the front support pivot seat, and one side of the annular backrest pivot seat is rotatably sleeved outside the receiving portion, and the other side of the annular backrest pivot seat is rotatably sleeved outside the receiving portion.
  10. 10. The foldable stroller of claim 6, wherein the interlocking unlocking device comprises a push block which is arranged between the third locking piece and the seat plate locking mechanism in a relatively movable manner, a corresponding protrusion and a corresponding groove are arranged between the push block and the third locking piece main body, the lower side surface of the protrusion is provided with an inclined surface, the lower side wall corresponding to the groove is also provided with an inclined surface, and when the third locking piece is driven to move upwards, the push block is driven to move towards the direction of the seat plate to unlock the seat plate locking mechanism through the matching of the inclined surface on the protrusion and the groove.
  11. 11. The foldable stroller of claim 10, wherein the seat plate is provided with a seat plate pivot seat, the seat plate pivot seat is pivoted with the front support pivot seat, the seat plate locking mechanism is arranged between the seat plate pivot seat and the front support pivot seat, the first groove is provided with a first tooth groove, the seat plate locking mechanism comprises the first tooth groove, a second tooth groove arranged on one side of the seat plate pivot seat facing the front support pivot seat, first gears arranged in the first tooth groove and the second tooth groove in a relatively movable manner, a fourth elastic piece arranged between the first gears and the seat plate pivot seat, and the pushing block is arranged between the first gears and the third locking piece.
  12. 12. The foldable stroller of claim 11, wherein the seat plate pivot seat comprises a third body and a receiving portion extending from the third body in a direction toward the front support pivot seat, and one side of the annular backrest pivot seat is rotatably sleeved outside the receiving portion, and the other side of the annular backrest pivot seat is rotatably sleeved outside the receiving portion.
  13. 13. The foldable stroller of any one of claims 6, 10 to 12, wherein a back locking mechanism is disposed between the back pivot seat and the seat plate pivot seat, the back locking mechanism comprises a plurality of locking pin holes disposed on an outer wall of the seat plate pivot seat, a locking pin relatively movably connected up and down to the back, a sixth elastic member disposed between the locking pin and the back, the locking pin moves downward under the action of the sixth elastic member, the back locking mechanism is in a locking state when a lower end of the locking pin is clamped into any one of the locking pin holes, and the driving inclined surface is in contact with the driven inclined surface when the locking pin is clamped into a foremost locking pin hole.

Description

Foldable baby stroller Technical Field The utility model relates to the field of infant products, in particular to a foldable baby stroller. Background In modern society, baby strollers are widely used by families with children, the children sit in the baby strollers, parents push the baby strollers forward, and therefore the trouble that the parents hold the children is reduced. For more convenient use, the stroller is generally configured to be foldable, i.e., capable of being converted between an unfolded state and a folded state, so that the stroller can be folded when the stroller is not needed temporarily, thereby reducing the volume of the stroller, and further reducing the occupied space of the stroller, and further facilitating storage, carrying and transportation. Different baby carriages have different structures, so that the folding operation is different, and the folding operation of some baby carriages is complicated, so that the baby carriages are inconvenient for users. Disclosure of utility model The utility model aims to overcome the defects and provide a foldable baby stroller, which is simple and convenient to fold. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a collapsible stroller comprising: a front bracket; the seat comprises a seat board and a backrest, wherein the seat board is pivoted with the front bracket, and the lower side of the backrest is pivoted with the front bracket or/and the seat board; The back side of the armrest is pivoted with the front bracket or/and the seat board, and an armrest locking mechanism for limiting the relative rotation of the armrest is arranged between the back side of the armrest and the front bracket or/and the seat board; the backrest and the armrest locking mechanism are matched, and the backrest and the armrest locking mechanism are matched, so that the backrest can be in linkage unlocking with the armrest locking mechanism in the folding rotation process. The seat board locking mechanism used for limiting the relative rotation of the seat board and the front support is arranged between the seat board and the front support, a linkage unlocking device is also arranged between the seat board locking mechanism and the armrest locking mechanism in a matched mode, and the seat board locking mechanism, the armrest locking mechanism and the linkage unlocking device are arranged in a matched mode, when the armrest locking mechanism is unlocked, the linkage unlocking device is linked to unlock the seat board locking mechanism. The front support is characterized in that a front support pivot seat is arranged on the upper side of the front support, the front support pivot seat comprises a second body and a containing part extending from the second body to the seat direction, an annular armrest pivot seat is arranged on the rear side of the armrest, the armrest pivot seat is rotatably sleeved outside the containing part, and the armrest locking mechanism is arranged between the armrest pivot seat and the front support pivot seat. The lower side of the backrest is provided with an annular backrest pivot seat, at least one side of the annular backrest pivot seat is sleeved outside the accommodating part in a relatively rotatable manner, and the armrest pivot seat is positioned between the second body of the front bracket pivot seat and the backrest pivot seat. The front support pivot seat is provided with a first groove towards one side of the seat, the handrail locking mechanism comprises a locking groove arranged on the annular wall of the handrail pivot seat, a third locking piece which can be connected with the backrest pivot seat in a relatively up-down moving mode, and a fifth elastic piece arranged between the third locking piece and the backrest pivot seat, the third locking piece comprises a main body and a locking part arranged at the lower end of the main body, the main body can be located in the first groove in a relatively up-down moving mode, a through hole penetrating through the lower side of the accommodating part vertically is formed in the lower side of the accommodating part, and under the action of the fifth elastic piece, the third locking piece moves downwards, and the locking part of the third locking piece penetrates out of the through hole downwards and can be clamped into the locking groove of the handrail pivot seat. The third locking piece further comprises a linkage part which is arranged at the lower end of the second body and located at one side of the locking part towards the seat plate, the linkage part also downwards penetrates out of the through hole, a driving inclined surface is arranged on the annular wall of the annular backrest pivot seat, a driven inclined surface which can be matched with the driving inclined surface is arranged on the linkage part, and when the backrest is folded and rotated, the third locking piece is driven to upwards move to be separated