Side wing width adjustment structure and child safety seat

By using a rotating adjustment disc to drive the side wings to slide, the problem of complex and costly side wing width adjustment structures in existing technologies is solved. This achieves the adaptation of the side wings to the body shape of the child in the car and reduces the risk of swaying. It has the advantages of simple structure and low cost.

WO2026007844A1PCT designated stage Publication Date: 2026-01-08NINGBO BABY FIRST BABY PROD CO LTD
View PDF 7 Cites 0 Cited by

Patent Information

Application Number
PCT/CN2025/104603
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-07-03
Filing Date
2025-06-27
Publication Date
2026-01-08

AI Technical Summary

Technical Problem

Existing child safety seat side wing width adjustment structures are complex and costly to use.

Method used

The side wings are driven to slide relative to the fixed components by rotating the adjustment disc. The width of the side wings can be adjusted by the cooperation of the guide and linkage parts. The structure is simple and the cost is low.

Benefits of technology

It achieves a better match between the side wing position and the body shape of the child in the car, reduces the risk of side wing swaying, and has a simple overall structure and low operating cost.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN2025104603_08012026_PF_FP_ABST
    Figure CN2025104603_08012026_PF_FP_ABST
Patent Text Reader

Abstract

A side wing width adjustment structure, comprising a fixing assembly (10), an adjustment disk (20), and a side wing (30), the adjustment disk being rotatably connected to the fixing assembly, a rotating shaft of the adjustment disk extending along a first direction, and the side wing being slidably connected to the fixing assembly along a second direction perpendicular to the first direction; the adjustment disk is provided with a guide portion (21), the side wing is provided with a linkage portion (31) suitable for being slidably connected to the guide portion, and when the adjustment disk rotates, the linkage portion is driven to slide along the guide portion, so that the side wing slides along the second direction. A child safety seat is also provided. The wing width adjustment structure is simple and reliable, with low usage costs.
Need to check novelty before this filing date? Find Prior Art

Description

Side wing width adjusting structure and child safety seat TECHNICAL FIELD

[0001] The present application relates to the technical field of child safety seats, in particular to a side wing width adjusting structure and a child safety seat. BACKGROUND

[0002] The side wing of a child safety seat is a structure designed to provide side impact protection. In a side impact, the side wing can stabilize the child's body and prevent the child from being thrown out of the seat or hitting other hard objects inside the vehicle, protecting the child's head and body. In order to make the width of the side wing more matched with the size of the child, a side wing width adjusting mechanism is designed in the related art to adjust the width of the side wing.

[0003] However, the existing side wing width adjusting structure has the defects of complex structure and high use cost. SUMMARY

[0004] One purpose of the present application is to provide a side wing width adjusting structure that is simple and reliable in structure and low in use cost.

[0005] Another purpose of the present application is to provide a child safety seat that applies the above-mentioned side wing width adjusting structure and has the characteristic of adjustable side wing width.

[0006] To achieve one of the purposes of the present application, the technical solution adopted by the present application is as follows: a side wing width adjusting structure, comprising a fixed component, an adjusting disc, and a side wing, the adjusting disc is rotationally connected with the fixed component, and the rotation axis of the adjusting disc extends along a first direction, the side wing is slidingly connected with the fixed component along a second direction perpendicular to the first direction, a guide portion is provided on the adjusting disc, the side wing is provided with a linkage portion adapted to be slidingly connected with the guide portion, and the adjusting disc drives the linkage portion to slide along the guide portion when it rotates, so that the side wing slides along the second direction.

[0007] As a preferred embodiment, the guide portion is provided as two and is oppositely arranged along the second direction, the side wing is provided as two and is oppositely arranged along the second direction, each guide portion is connected with the adjacent side wing, and the two side wings are adapted to open and close along the second direction.

[0008] As a preferred embodiment, the guide portion is a guide rail extending along a curve in a plane perpendicular to the first direction, and the linkage portion is a link pin adapted to be inserted into the guide rail and slide along the guide rail.

[0009] As a preferred, the side wing comprises a connecting part connected with the fixed component in sliding mode along the second direction, the connecting part is arranged at one side of the adjusting disc along the first direction, and the linkage part is arranged on the connecting part and arranged opposite to the guide part along the first direction.

[0010] As a preferred, the unlocking component is further arranged between the adjusting disc and the fixed component, and the unlocking component is adapted to lock or unlock the position of the adjusting disc.

[0011] As a preferred, the unlocking component comprises a locking part and a sliding adjusting mechanism, the sliding adjusting mechanism is connected with the fixed component in sliding mode, the locking part is arranged on the sliding adjusting mechanism and movably connected with the adjusting disc, and the sliding adjusting mechanism is adapted to drive the adjusting disc to rotate through the locking part when the sliding adjusting mechanism slides along the fixed component.

[0012] As a preferred, the sliding adjusting mechanism comprises a release button, a gear part and a button seat, the button seat is connected with the fixed component in sliding mode, the locking part is arranged on the button seat, the release button is connected with the button seat in sliding mode and is adapted to be driven by the button seat to slide along the fixed component, the gear part is arranged on the release button, the fixed component is provided with a plurality of gear grooves along the sliding direction of the button seat, and the release button is adapted to control the gear part to insert into or exit from each of the gear grooves, so that the adjusting disc can be locked at different rotating angles; the sliding adjusting mechanism further comprises a reset part arranged between the release button and the button seat, and the reset part is adapted to reset the release button, so that the release button keeps the gear part in the gear groove.

[0013] As a preferred, the adjusting disc comprises a rotating disc body provided with the guide part and a convex part protruding relative to the rotating disc body, and the convex part is connected with the unlocking component.

[0014] As a preferred, the fixed component comprises a mounting seat and a cover body, the mounting seat is provided with a containing cavity, the adjusting disc is mounted in the containing cavity, the side wing is connected with the mounting seat in sliding mode and is adapted to be inserted into the containing cavity to be connected with the adjusting disc, and the cover body is detachably connected with the mounting seat and is adapted to cover the containing cavity.

[0015] To achieve one of the purposes of the present application, the technical scheme adopted by the present application is as follows: a child safety seat applying any one of the above-mentioned side wing width adjusting structures, wherein the fixed component can be composed of a backrest component of the child safety seat.

[0016] Compared with the prior art, the beneficial effects of the present application are that the side wing position can be adjusted by rotating the adjusting disc to drive the side wing to slide relative to the fixed assembly, so that the position of the side wing is more suitable for the size of the child, the whole side wing width adjusting structure has the advantages of simple structure and low use cost, and since the side wing is slidably connected with the fixed assembly, and the side wing is always driven by the force of the guide part of the linkage part during the side wing adjusting process, the force point of the side wing is unchanged, which is beneficial to reduce the risk of side wing shaking. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a schematic diagram of the side wing width adjusting structure in some embodiments of the present application.

[0018] Fig. 2 is an exploded schematic diagram of the side wing width adjusting structure in some embodiments of the present application.

[0019] Fig. 3 is a schematic diagram of the side wing width adjusting structure when the side wing width is small in some embodiments of the present application.

[0020] Fig. 4 is a schematic diagram of the side wing width adjusting structure when the unlocking assembly unlocks the adjusting disc in the state of Fig. 3.

[0021] Fig. 5 is a schematic diagram of the side wing width adjusting structure when the side wing width is large in some embodiments of the present application.

[0022] Fig. 6 is an enlarged schematic diagram of the local structure A in Fig. 2.

[0023] In the drawings: X, first direction; Y, second direction; 10, fixed assembly; 101, sliding groove; 102, gear slot; 11, mounting seat; 111, accommodating cavity; 112, guide groove; 12, cover body; 20, adjusting disc; 21, guide part; 211, left guide rail; 212, right guide rail; 22, disc main body; 23, convex part; 30, side wing; 301, left side wing; 302, right side wing; 31, linkage part; 32, connecting part; 33, surrounding part; 40, unlocking assembly; 41, locking piece; 42, sliding adjusting mechanism; 421, release button; 422, gear piece; 423, button seat; 424, reset piece. DETAILED DESCRIPTION

[0024] In the following, the present application will be further described in conjunction with specific embodiments, and it should be noted that the following described embodiments or technical features can be combined in any manner to form new embodiments without conflict.

[0025] In the description of the present application, it should be noted that for the orientation words, such as the terms "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the present application.

[0026] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence.

[0027] The terms "include" and "have" and any variations thereof in the specification and claims of the present application are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0028] The present application provides a side wing width adjusting structure, as shown in FIGS. 1-6, which comprises a fixing assembly 10, an adjusting disc 20, and a side wing 30, the adjusting disc 20 is rotationally connected with the fixing assembly 10, and the rotation axis of the adjusting disc 20 extends along a first direction X, the side wing 30 is slidingly connected with the fixing assembly 10 along a second direction Y perpendicular to the first direction X, the adjusting disc 20 is provided with a guide portion 21, the side wing 30 is provided with a linkage portion 31 adapted to be slidingly connected with the guide portion 21, and the linkage portion 31 is driven to slide along the guide portion 21 when the adjusting disc 20 rotates, so as to make the side wing 30 slide along the second direction Y. The present application can adjust the position of the side wing 30, so that the position of the side wing 30 is more suitable for the body shape of a child riding in the vehicle, and the whole side wing width adjusting structure has the advantages of simple structure and low use cost, and since the side wing 30 itself is slidingly connected with the fixing assembly 10, and the side wing 30 is always driven by the force of the guide portion 21 during the adjustment process, the force point of the side wing 30 is unchanged, which is beneficial to reduce the risk of shaking of the side wing 30. As a supplement, the rotation axis of the adjusting disc 20 here refers to a straight line around which the adjusting disc 20 rotates, which is a virtual central axis, and is not a limitation on the specific rotational connection structure between the adjusting disc 20 and the fixing assembly 10. In addition, it can be understood that in combination with the structure of the child safety seat, the second direction Y in the present application is generally the left-right direction of the child safety seat, and the first direction X can be the front-back direction of the child safety seat.

[0029] In some embodiments, the guide portions 21 are provided in two and arranged opposite to each other along the second direction Y, the side wings 30 are provided in two and arranged opposite to each other along the second direction Y, each guide portion 21 is connected with the adjacent side wing 30, and the two side wings 30 are adapted to open and close along the second direction Y. That is, the side wings 30 on the left and right sides of the child safety seat are adjusted by one adjusting disc 20, and the structure is simple. In order to distinguish, when the child is seated in the child safety seat, the side wing 30 on the left side of the child is marked as left side wing 301, and the other side wing 30 on the right side of the child is marked as right side wing 302.

[0030] In some embodiments, the guide portions 21 are guide rails extending along a curve in a plane perpendicular to the first direction X, and the link portions 31 are link pins adapted to be inserted into and slide along the guide rails. In a specific embodiment, the two guide portions 21 are respectively marked as left guide rail 211 and right guide rail 212, and as shown in FIGS. 3-5, the left guide rail 211 and the right guide rail 212 are in a central symmetric relationship with the rotation axis of the adjusting disc 20 as the center, so that the synchronization and symmetry of the movement of the two side wings 30 in the left-right direction are well set. More specifically, when the two side wings 30 are locked in a position with a smaller width, the corresponding state of the adjusting disc 20 is shown in FIG. 3, at this time, the left guide rail 211 as a whole is located at the lower left corner of the adjusting disc 20 and has a curvature protruding to the upper left corner, the position of the end of the left guide rail 211 close to the rotation axis of the adjusting disc 20 is relatively high, and the position of the end of the left guide rail 211 far away from the rotation axis of the adjusting disc 20 is relatively low, when the adjusting disc 20 rotates from the position shown in FIG. 3 to the position shown in FIG. 5, the positions of the points on the curve-shaped left guide rail 211 gradually become higher, so that the link pin can gradually slide along the left guide rail 211 from the end close to the rotation axis of the adjusting disc 20 to the end far away from the rotation axis of the adjusting disc 20, and the link pin always keeps sliding horizontally to the left in this process, and the left side wing 301 is horizontally unfolded to the left, and similarly, the right side wing 302 is horizontally unfolded to the right, so that the side wings 30 can be stably opened and closed, and the risk of shaking is low.

[0031] In other embodiments, according to the setting of the rotation direction, rotation angle range, and side wing 30 unfolding speed of the adjusting disc 20, the left guide rail 211 and the right guide rail 212 can obviously be provided with other curvatures, other concave-convex directions, or other positions on the adjusting disc 20. In still other embodiments, the link pin can be provided on the adjusting disc 20, and the guide rail can be provided on the side wing 30, as long as the side wing 30 can slide horizontally along the second direction Y, i.e., the left-right direction, when the adjusting disc 20 rotates.

[0032] In some embodiments, the side wing 30 comprises a connecting part 32 connected with the fixed assembly 10 in the second direction Y, the connecting part 32 is arranged at one side of the adjusting disc 20 in the first direction X, the connecting part 32 is arranged in front of and behind the adjusting disc 20 in the first direction X to save the occupied space and facilitate the compact structure, the linkage part 31 is arranged on the connecting part 32 and arranged opposite to the guide part 21 in the first direction X to be connected with the guide part 21. In a specific embodiment, the connecting part 32 extends in a plane perpendicular to the first direction X, the fixed assembly 10 is provided with a sliding groove 101 adapted for the sliding of the connecting part 32, the side wing 30 further comprises a surrounding part 33 arranged at the side of the connecting part 32 away from the fixed assembly 10, the surrounding part 33 is bent forward to cover the left and right sides of the child.

[0033] In some embodiments, the unlocking assembly 40 is further arranged between the adjusting disc 20 and the fixed assembly 10, the unlocking assembly 40 is adapted to lock or unlock the position of the adjusting disc 20 to lock the side wing 30 in different widths.

[0034] In some embodiments, the unlocking assembly 40 comprises a locking part 41 and a sliding adjustment mechanism 42, the sliding adjustment mechanism 42 is connected with the fixed assembly 10 in sliding, the locking part 41 is arranged on the sliding adjustment mechanism 42 and connected with the adjusting disc 20 in sliding, the sliding adjustment mechanism 42 is adapted to drive the adjusting disc 20 to rotate through the locking part 41 when sliding along the fixed assembly 10. The rotation of the adjusting disc 20 is controlled in the sliding unlocking assembly 40, and then the opening and closing of the side wing 30 is realized, which is simple and easy to operate.

[0035] In a specific embodiment, as shown in FIG. 6, the sliding adjustment mechanism 42 comprises a release button 421, a gear part 422 and a button seat 423, the button seat 423 is connected with the fixed assembly 10 in sliding, the locking part 41 is arranged on the button seat 423, the release button 421 is connected with the button seat 423 in sliding and is adapted to be driven by the button seat 423 to slide along the fixed assembly 10, the gear part 422 is arranged on the release button 421, the fixed assembly 10 is provided with a plurality of gear grooves 102 in the sliding direction of the button seat 423, the release button 421 is adapted to control the gear part 422 to insert into or exit from each gear groove 102, so that the adjusting disc 20 can be locked at different rotation angles. The unlocking assembly 40 is simple in structure and easy to operate. Further, the sliding adjustment mechanism 42 further comprises a reset part 424 arranged between the release button 421 and the button seat 423, the reset part 424 is adapted to reset the release button 421 to keep the gear part 422 in the gear groove 102, the reset part 424 can automatically reset the release button 421, so that the operation of the unlocking assembly 40 is more convenient. In a specific embodiment, the reset part 424 is a spring or a torsion spring or a tension spring or other elastic material.

[0036] In some embodiments, the connecting structure between the release button 421 and the button seat 423 comprises a buckle and a slot, the sliding stroke of the release button 421 relative to the button seat 423 is limited by the buckle and the slot, the release button 421 and the button seat 423 are prevented from being separated accidentally, and the structure is simple, easy to assemble and low in use cost.

[0037] In some embodiments, the adjusting disc 20 comprises a rotating disc body 22 provided with a guide portion 21 and a protruding portion 23 protruding relative to the rotating disc body 22, and the protruding portion 23 is connected with the unlocking assembly 40. In a specific embodiment, the rotating disc body 22 is substantially circular, and the protruding portion 23 extends outward along the radial direction of the rotating disc body 22 from the circumferential side of the rotating disc body 22. The adjusting disc 20 is simple in structure, easy to assemble and low in processing and use cost. In other embodiments, the adjusting disc 20 can obviously be provided in other shapes, for example, only a circular rotating disc body 22 is provided without the protruding portion 23.

[0038] In some embodiments, the sliding adjusting mechanism 42 slides relative to the fixed assembly 10 along the second direction Y, correspondingly, each gear slot 102 is arranged at intervals along the second direction Y, the locking member 41 also slides along the second direction Y, the fixed assembly 10 is provided with a guide slot 112 suitable for guiding the sliding direction of the locking member 41, the protruding portion 23 of the adjusting disc 20 is provided with a waist-shaped hole, and the locking member 41 is arranged in the waist-shaped hole. As shown in FIG. 3, when the release button 421 is not pressed, the gear member 422 is inserted into the gear slot 102, the position of the entire sliding adjusting mechanism 42 and the locking member 41 on the sliding adjusting mechanism 42 along the second direction Y is fixed, and the position of the adjusting disc 20 is locked; when the release button 421 is pressed, as shown in FIG. 4, the gear member 422 exits the gear slot 102, at this time, the sliding adjusting mechanism 42 and the locking member 41 can be pushed to slide along the second direction Y, the locking member 41 slides along the second direction Y at the same time relative to the waist-shaped hole, and abuts against the hole wall of the waist-shaped hole to force the adjusting disc 20 to rotate and the side wing 30 to open and close; when the adjusting side wing 30 reaches the required width, the release button 421 is released, and as shown in FIG. 5, at this time, the release button 421 is automatically reset under the action of the reset member 424, and the gear member 422 is inserted into the gear slot 102, thereby realizing the position locking of the sliding adjusting mechanism 42, the locking member 41 and the adjusting disc 20.

[0039] In some embodiments, the unlocking assembly 40 and the side wing 30 can be arranged on different sides of the adjusting disc 20, for example, the side wing 30 is arranged on the left and right sides, and the unlocking assembly 40 is arranged above the adjusting disc 20, the layout of each element is more reasonable, and the overall structure of the side wing width adjusting structure is compact.

[0040] In some embodiments, the fixing assembly 10 comprises a base 11 and a cover 12, the base 11 has a receiving cavity 111, the adjusting disc 20 is installed in the receiving cavity 111, the side wings 30 are slidably connected with the base 11 and are adapted to be inserted into the receiving cavity 111 to be connected with the adjusting disc 20, and the cover 12 is detachably connected with the base 11 and is adapted to cover the receiving cavity 111. The adjusting disc 20 is installed in the receiving cavity 111 and can be shielded and protected, reducing the risk of being interfered by the outside when rotating.

[0041] The present application can also provide a child safety seat which applies any of the above side wing width adjusting structures, has the advantages of being able to adjust the width of the side wings 30 and the side wing width adjusting structure being simple and reliable.

[0042] In some embodiments, the fixing assembly 10 can be constituted by a backrest assembly of the child safety seat. In other embodiments, the fixing assembly 10 can also be provided as an independent structure which is detachable relative to the backrest assembly.

[0043] The above describes the basic principles, main features and advantages of the present application. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, the above embodiments and descriptions are only the principles of the present application, and various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A side wing width adjusting structure characterized by: The adjusting disc is rotatably connected with the fixing assembly, and the rotation axis of the adjusting disc extends in a first direction; the side wings are slidably connected with the fixing assembly in a second direction perpendicular to the first direction; the adjusting disc is provided with a guide portion; the side wings are provided with a linkage portion adapted to be slidably connected with the guide portion; and the adjusting disc drives the linkage portion to slide along the guide portion when rotating, so as to drive the side wings to slide in the second direction.

2. The side wing width adjusting structure according to claim 1, wherein: The guide portions are oppositely arranged in the second direction, and the side wings are oppositely arranged in the second direction; each guide portion is connected with an adjacent side wing, so that the two side wings are adapted to open and close in the second direction.

3. The side wing width adjusting structure according to claim 1, wherein: The guide portion is a guide rail extending in a curve in a plane perpendicular to the first direction, and the linkage portion is a connecting rod pin adapted to be inserted into and slide along the guide rail.

4. The side wing width adjusting structure according to any one of claims 1 to 3, wherein: The side wings comprise a connecting portion slidably connected with the fixing assembly in the second direction; the connecting portion is arranged on one side of the adjusting disc in the first direction; and the linkage portion is arranged on the connecting portion and oppositely arranged with the guide portion in the first direction.

5. The side wing width adjusting structure according to claim 1, wherein: The unlocking assembly is further arranged between the adjusting disc and the fixing assembly, and is adapted to lock or unlock the position of the adjusting disc.

6. The side wing width adjusting structure according to claim 5, wherein: The unlocking assembly comprises a locking member and a sliding adjusting mechanism; the sliding adjusting mechanism is slidably connected with the fixing assembly; the locking member is arranged on the sliding adjusting mechanism and movably connected with the adjusting disc; and the sliding adjusting mechanism is adapted to drive the adjusting disc to rotate through the locking member when sliding along the fixing assembly.

7. The side wing width adjusting structure according to claim 6, wherein: The sliding adjusting mechanism comprises a release button, a gear member and a button seat; the button seat is slidably connected with the fixing assembly; the locking member is arranged on the button seat; the release button is slidably connected with the button seat and adapted to be driven by the button seat to slide along the fixing assembly; and the gear member is arranged on the release button; the fixing assembly is provided with a plurality of gear grooves in the sliding direction of the button seat; and the release button is adapted to control the gear member to be inserted into or withdrawn from each gear groove, so that the adjusting disc can be locked at different rotation angles; and the sliding adjusting mechanism further comprises a reset member arranged between the release button and the button seat, and adapted to reset the release button, so that the release button keeps the gear member in the gear groove.

8. The side wing width adjusting structure according to any one of claims 5 to 7, wherein: The adjusting disc comprises a rotating disc body provided with the guide portion and a protruding portion oppositely arranged with the rotating disc body; and the protruding portion is connected with the unlocking assembly.

9. The side wing width adjusting structure according to claim 1, wherein: The fixing assembly comprises a mounting seat and a cover body; the mounting seat has a containing cavity; the adjusting disc is arranged in the containing cavity; the side wings are slidably connected with the mounting seat and adapted to be inserted into the containing cavity to be connected with the adjusting disc; and the cover body is detachably connected with the mounting seat and adapted to cover the containing cavity.

10. A child safety seat, characterized by: The side wing width adjusting structure is applied to the child safety seat.

Citation Information

Patent Citations

  • Child safety seat

    CN101670798A

  • Side wing adjusting structure and child safety seat

    CN114683977A

  • Children's seat back that width is adjustable

    CN205185911U

  • Side wing width stepless adjusting mechanism of automobile child safety seat

    CN216508019U

  • Side wing width adjusting structure and child safety seat

    CN222663256U