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CN-224211115-U - Foldable child moving device

CN224211115UCN 224211115 UCN224211115 UCN 224211115UCN-224211115-U

Abstract

The utility model provides a foldable child moving device which comprises a frame, a bearing piece, a locking piece, a releasing and locking mechanism, a locking mechanism and a driving part, wherein the frame can be switched between a folded state and an unfolded state, the bearing piece is pivotally mounted on the frame and can rotate relative to the frame, the locking piece can reciprocate between a locking position and an unlocking position which are guided on the frame in a preset way, the releasing and locking mechanism is rotatably arranged on the frame and is in transmission connection with the locking piece, the releasing and locking mechanism comprises a lock frame assembly and a driving part, when the frame is in the unfolded state, the locking piece is in the locking position to lock a connecting rod structure of the frame, when the bearing piece rotates in the folding direction, the locking frame assembly is pushed to be away from the frame, so that the releasing and locking mechanism can rotate relative to the frame, and the driving part can transmit driving force of the bearing piece to the locking piece, and the locking piece moves from the locking position to the unlocking position to realize folding of the bearing piece or folding of the frame or synchronous folding of the bearing piece and the frame. Has the advantages of compact structure, convenient operation and reliable synchronous folding.

Inventors

  • ZHONG DELIANG

Assignees

  • 中山市金亮儿童用品有限公司

Dates

Publication Date
20260508
Application Date
20250516

Claims (10)

  1. 1. A foldable child motion device is characterized by comprising A frame (1) that can be switched between a folded state and an unfolded state; The bearing piece (2) is pivotally mounted on the frame (1) and can rotate relative to the frame (1); A locking member (3) reciprocally movable along a preset guide between a locking position and an unlocking position on the frame (1); The lock release mechanism (4) is rotatably arranged on the frame (1) and is in transmission connection with the locking piece (3), the lock release mechanism (4) comprises a lock frame assembly (41) and a driving part (42), when the frame (1) is in an unfolding state, the locking piece (3) is in the locking position so as to lock the connecting rod structure of the frame (1), when the bearing piece (2) rotates along the folding direction, the lock frame assembly (41) is pushed to be far away from the frame (1), so that the lock release mechanism (4) can rotate relative to the frame (1), the driving part (42) can transmit the driving force of the bearing piece (2) to the locking piece (3), and the locking piece (3) moves from the locking position to the unlocking position so as to realize folding of the bearing piece (2), folding of the frame (1) or synchronous folding of the bearing piece (2) and the frame (1).
  2. 2. The foldable child motion device according to claim 1, wherein the driving part (42) is provided with a first guiding surface (421) matched with the locking piece (3), and when the driving part (42) rotates in a first direction relative to the frame (1), the first guiding surface (421) pushes the locking piece (3) to move along a path of the first guiding surface (421); the first guide surface (421) is a circular arc curved surface or an inclined surface.
  3. 3. A collapsible child movement device according to claim 2, wherein the locking element (3) is provided with a connecting portion (31) at one end, the driving portion (42) forming a starting recess (422) at one end of the first guiding surface (421), the connecting portion (31) being located on the starting recess (422) when the frame (1) is in the unfolded state.
  4. 4. A collapsible child motion device according to claim 3, wherein the driving part (42) is provided with a sliding area (423) and a pushing surface (424), the sliding area (423) is provided with a second guiding surface (4231), and when the driving part (42) rotates in a second direction relative to the frame (1), the connecting part (31) contacts with the second guiding surface (4231) and the pushing surface (424) so that the connecting part (31) moves back and forth on the locking member (3); the second guide surface (4231) is a circular arc-shaped curved surface or an inclined surface; The pushing surface (424) is in point contact or surface contact with the end surface of the connecting part (31), and the connecting part (31) is reset on the initial concave part (422) after sliding contact with the pushing surface (424) along the second guiding surface (4231).
  5. 5. The foldable child motion device according to claim 4, wherein a first elastic structure is provided between the connecting portion (31) and the locking member (3), the connecting portion (31) being reset on the locking member (3) by the first elastic structure, the connecting portion (31) compressing the first elastic structure when the connecting portion (31) is in contact with the first guiding surface (421), the second guiding surface (4231) and the pushing surface (424), wherein the connecting portion (31) is reset on the starting recess (422) under the action of the first elastic structure; The locking piece (3) is provided with a second elastic structure, when the connecting part (31) is in contact with the first guide surface (421), the locking piece (3) moves towards the unlocking position of the frame (1) and compresses the second elastic structure, and when the connecting part (31) is positioned on the sliding region (423), the pushing surface (424) or the initial concave part (422), the locking piece (3) is reset to the locking position under the action of the second elastic structure.
  6. 6. The foldable child motion device as claimed in claim 4, wherein the first guiding surface (421) and the sliding region (423) are arranged opposite to each other on the driving part (42), or wherein the sliding region (423) is arranged in communication with the first guiding surface (421).
  7. 7. The foldable child motion device as recited in claim 4, wherein the first guide surface (421), the initial recess (422), the sliding region (423), the second guide surface (4231), and the pushing surface (424) are located on a same side wall of the driving portion (42), and the first guide surface (421), the initial recess (422), the sliding region (423), the second guide surface (4231), the pushing surface (424), and the driving portion (42) are in an integrally formed structure or a split assembly structure.
  8. 8. The foldable child motion device as set forth in claim 1, wherein a guide protrusion (11) is provided at a pivot position of the frame (1) and the driving portion (42), a guide slide way (426) engaged with the guide protrusion (11) is provided on the driving portion (42), and when the driving portion (42) rotates in a first direction or a second direction relative to the frame (1), the guide protrusion (11) slides along the guide slide way (426), thereby limiting a rotation angle of the driving portion (42).
  9. 9. The foldable child motion device according to claim 1, wherein a guide hole (32) is formed in a middle area of the other end of the locking piece (3), a limit rod (12) is arranged on the frame (1), the locking position and the unlocking position are respectively arranged on the guide hole (32), and when the locking piece (3) moves in the vertical direction, the limit rod (12) is sequentially contacted with the locking position or the unlocking position.
  10. 10. The foldable child motion device according to claim 1, wherein the frame (1) is provided with a fixing hole (13) at a pivot joint, the lock frame assembly (41) is arranged on the driving part (42) in a laterally displaceable manner and has one end extending out of the driving part (42), and the lock frame assembly (41) is pushed away from the fixing hole (13) when the bearing piece (2) is folded and rotated; The lock frame assembly (41) comprises a lock rod (411), a protruding block (412) is arranged on the circumferential side wall of the lock rod (411), a pushing part (21) matched with the protruding block (412) is arranged on the bearing piece (2), and the pushing part (21) pushes the protruding block (412) to drive the lock rod (411) to move in the folding process; the pressing part (21) is a circular arc-shaped curved surface or an inclined surface.

Description

Foldable child moving device Technical Field The utility model relates to the technical field of children's carriages, in particular to a foldable child moving device. Background The child cart can be unfolded or folded generally, and in an unfolded state, children can sit for traveling, and in a folded state, the child cart is convenient to carry or store, so that the child cart gradually becomes a necessity for adults to carry children for traveling. The existing children's carts are various, the number of cart frame members is different, and the connection positions among the members are different, so that the folding principle, the folding mode and the folding effect are different, and in the prior art, the structure of the mechanism for synchronously folding the cart frame and the seat members is complex. For example, CN119568248a discloses a folding unlocking mechanism and a stroller frame in 3 months of 2025, wherein the folding unlocking mechanism comprises a frame joint, a seat frame joint and a seat frame joint detachably connected to the frame joint, and a linkage extrusion block is arranged at a rotating part of the seat frame joint, the linkage extrusion block is provided with an extrusion inclined plane, the rotating part of the frame joint is rotationally matched with a fixed part, locking through holes are formed at positions far away from the center of the rotating part and the fixed part, a locking pin shaft extends into the locking through holes in a locking state, one end of the locking pin shaft is fixedly connected with a toggle plate, the matching relationship between the extrusion inclined plane and the toggle plate is a process of rotating part of the seat frame joint, and the extrusion inclined plane outwards extrudes the toggle plate so as to force the locking pin shaft to be far away from the locking through holes, thereby unlocking the frame joint is completed. The transmission structure of the patent document is relatively complex. Therefore, further improvements are needed. Disclosure of utility model Based on the above, the utility model aims to provide a foldable child mobile device which overcomes the defects in the prior art, and has the advantages of simple structure, reliable performance and convenient operation. A foldable child motion device designed for this purpose is characterized by comprising A frame that is switchable between a folded state and an unfolded state; The bearing piece is pivotally mounted on the frame and can rotate relative to the frame; The locking piece can reciprocate between a locking position and an unlocking position on the frame along a preset guide; The lock release mechanism is rotatably arranged on the frame and is in transmission connection with the locking piece, the lock release mechanism comprises a lock frame assembly and a driving part, when the frame is in an unfolding state, the locking piece is positioned at the locking position to lock the connecting rod structure of the frame, when the bearing piece rotates along the folding direction, the lock frame assembly is pushed to be far away from the frame, so that the lock release mechanism can rotate relative to the frame, the driving part further transmits the driving force of the bearing piece to the locking piece, and the locking piece moves from the locking position to the unlocking position to realize folding of the bearing piece, folding of the frame or synchronous folding of the bearing piece and the frame. The driving part is provided with a first guide surface matched with the locking piece, and when the driving part rotates in a first direction relative to the frame, the first guide surface pushes the locking piece to move along the path of the first guide surface. The first guide surface is a circular arc-shaped curved surface or an inclined surface. The locking piece is characterized in that a connecting part is arranged at one end of the locking piece, an initial concave part is formed at one end of the first guide surface by the driving part, and the connecting part is positioned on the initial concave part when the frame is in a unfolding state. The driving part is provided with a sliding area and a pushing surface, the sliding area is provided with a second guide surface, and when the driving part rotates in a second direction relative to the frame, the connecting part is contacted with the second guide surface and the pushing surface so as to enable the connecting part to move back and forth on the locking piece; the second guide surface is a circular arc-shaped curved surface or an inclined surface; The pushing surface is in point contact or surface contact with the end surface of the connecting part, and the connecting part is reset on the initial concave part after sliding contact with the pushing surface along the second guiding surface. A first elastic structure is arranged between the connecting part and the locking piece, the connecting part resets on the locki