Stroller frame
By simplifying the frame structure of the children's trolley and using the hinge and locking parts design, the existing children's trolleys are solved, and the effect of small size and easy to carry after folding is achieved.
Patent Information
- Application Number
- CN202421758643.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-07-24
AI Technical Summary
The existing children's trolley skeleton structure is complex, resulting in inflexible folding and large size, making it inconvenient to carry and store.
The simplified children's trolley frame structure is adopted, including front bracket, rear bracket, hinge, seat front bracket, seat rear bracket, push handle, up handle, carriage retraction link and connecting rod. Through the design of articulation and locking parts, the trolley can be folded flexibly and reduce the volume.
It realizes the flexible folding of children's trolleys. It is small in size after folding, which is easy to carry and store. It is suitable for placement on the car trunk or aircraft luggage rack. It has a simple structure and is easy to use.
Smart Images

Figure CN223086092U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a child stroller frame. Background Art
[0002] A child stroller is a tool vehicle designed to facilitate outdoor activities for infants and young children. It has long been widely used. To make the child stroller more convenient to carry and store, the child strollers on the market can generally be folded and unfolded. However, the frame structure of the existing child strollers is very complex, resulting in inflexible folding and easy damage to the stroller, and the folded volume is still relatively large. Summary of the Utility Model
[0003] To solve the above technical problems, the purpose of the utility model is to provide a child stroller frame with a simple structure, flexible folding, a small volume after folding, and convenient for carrying and storing.
[0004] A child stroller frame proposed by the utility model, based on the forward direction of the child stroller, includes a front bracket (1), a rear bracket (2), a hinge (3), a front seat bracket (4), a rear seat bracket (5), a lower push handle (6), an upper push handle (7), a folding link (8) and a connecting rod (9). The hinge is fixed at the upper end of the rear bracket. The front bracket (1) and the lower push handle (6) are both installed on the hinge. The upper push handle is hinged to the lower push handle. The folding link is hinged between the upper push handle and the rear bracket. The front seat bracket is hinged to the front bracket. The rear seat bracket is hinged to the rear bracket. The front seat bracket is hinged to the rear seat bracket. The connecting rod is hinged between the folding link and the rear seat bracket.
[0005] Further, a connecting piece is provided at the lower end of the upper push handle, and a first hinge hole is provided on the connecting piece. The upper end of the folding link is hinged to the connecting piece at the first hinge hole.
[0006] Further, a connecting block is provided on one side of the rear bracket close to the front bracket, and a second hinge hole is provided on the connecting block. The lower part of the folding link is hinged to the connecting block at the second hinge hole.
[0007] Further, a hinge piece is provided at the lower end of the folding link, and a third hinge hole is provided on the hinge piece. One end of the connecting rod is hinged to the hinge piece at the third hinge hole.
[0008] Further, the rear end of the front seat bracket is hinged to the front end of the rear seat bracket. A fourth hinge hole is provided at the front end of the rear seat bracket. The other end of the connecting rod is hinged to the front end of the rear seat bracket at the fourth hinge hole.
[0009] Further, it further includes an armrest (10), and the armrest is fixedly connected to the hinge member.
[0010] Further, a rear wheel assembly (12) is installed at the rear end of the rear bracket, and a front wheel assembly (13) is installed at the front end of the front bracket.
[0011] Further, the front end portion of the upper push handle and the rear end of the lower push handle are hinged to each other through a locking member (15).
[0012] Further, an unlocking button (18) is installed in the middle of the upper push handle, and the unlocking button controls the unlocking of the locking member.
[0013] By means of the above solution, the present utility model has at least the following advantages: after the folding of the child stroller frame, the volume is small, it can stand, occupies a small space, is convenient to carry, can be placed in the trunk of a car or on the luggage rack above the airplane seat, and the structure of the child stroller frame is simple. When folding, the front bracket and the rear bracket of the seat can be automatically unlocked, the folding is flexible, and after folding, the armrest can be pulled like a suitcase or lifted, which is convenient and practical.
[0014] The above description is only an overview of the technical solution of the present utility model. In order to be able to understand the technical means of the present utility model more clearly and implement it according to the content of the description, the following takes the preferred embodiment of the present utility model and combines with the drawings to describe in detail as follows. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic structural diagram of the child stroller frame of the present utility model;
[0016] Figure 2 It is an exploded view of the single-side structure of the child stroller frame of the present utility model;
[0017] Figure 3 It is a schematic diagram of the folding process of the child stroller frame of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0018] The following combines with the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.
[0019] Embodiment: A stroller frame. Taking the forward direction of the stroller as a reference, it includes a front bracket 1, a rear bracket 2, a hinge 3, a front seat bracket 4, a rear seat bracket 5, a lower push handle 6, an upper push handle 7, a folding link 8, and a connecting rod 9. The hinge is fixed to the upper end of the rear bracket. The front bracket 1 and the lower push handle 6 are both installed on the hinge. The upper push handle is hinged to the lower push handle. The folding link is hinged between the upper push handle and the rear bracket. The front seat bracket is hinged to the front bracket. The rear seat bracket is hinged to the rear bracket. The front seat bracket is hinged to the rear seat bracket. The connecting rod is hinged between the folding link and the rear seat bracket.
[0020] A connecting piece 72 is provided at the lower end of the upper push handle. A first hinge hole 20 is provided on the connecting piece. The upper end of the folding link is hinged to the connecting piece at the first hinge hole.
[0021] A connecting block 62 is provided on one side of the rear bracket close to the front bracket. A second hinge hole 22 is provided on the connecting block. The lower end portion of the folding link is hinged to the connecting block at the second hinge hole.
[0022] A hinge piece 82 is provided at the lower end of the folding link. A third hinge hole 24 is provided on the hinge piece. One end of the connecting rod is hinged to the hinge piece at the third hinge hole.
[0023] The rear end of the front seat bracket is hinged to the front end of the rear seat bracket. A fourth hinge hole 26 is provided at the front end of the rear seat bracket. The other end of the connecting rod is hinged to the front end of the rear seat bracket at the fourth hinge hole.
[0024] It further includes an armrest 10, and the armrest is fixedly connected to the hinge.
[0025] A rear wheel assembly 12 is installed at the rear end of the rear bracket, and a front wheel assembly 13 is installed at the front end of the front bracket.
[0026] The front end portion of the upper push handle and the rear end of the lower push handle are hinged to each other through a locking member 15.
[0027] An unlocking button 18 is installed in the middle of the upper push handle, and the unlocking button controls the unlocking of the locking member.
[0028] The folding method of the stroller frame is as follows: manually press the unlocking button to unlock the locking member that connects the upper push handle and the lower push handle, then gently push the upper push handle forward and downward. Under the action of gravity, the upper push handle moves downward. The upper push handle drives the lower push handle and the folding link to move downward together. The upper push handle and the lower push handle move closer to each other. The folding link drives the connecting rod to move upward, the connecting rod drives the rear seat bracket to move upward, the rear seat bracket drives the front seat bracket to move upward, and the front seat bracket and the rear seat bracket move closer to each other, so that the front bracket and the rear bracket move closer to each other, ultimately realizing the complete folding of the stroller frame. After folding, it has a small volume, can stand, has a simple structure, occupies little space, is convenient to carry, and can be placed in the trunk of a car or on the luggage rack above the airplane seat. Moreover, the structure of the stroller frame is simple, the folding is flexible, and the armrest can be pulled like a suitcase after folding, which is convenient and practical.
[0029] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. It should be noted that for those of ordinary skill in the art of this technology, without departing from the technical principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A child stroller frame, characterized in that: Based on the forward direction of the stroller, it includes a front bracket (1), a rear bracket (2), a hinge member (3), a front seat bracket (4), a rear seat bracket (5), a lower push handle (6), an upper push handle (7), a folding link (8) and a connecting rod (9). The hinge member is fixed to the upper end of the rear bracket. The front bracket (1) and the lower push handle (6) are both mounted on the hinge member. The upper push handle is hinged to the lower push handle. The folding link is hinged between the upper push handle and the rear bracket. The front seat bracket is hinged to the front bracket. The rear seat bracket is hinged to the rear bracket. The front seat bracket is hinged to the rear seat bracket. The connecting rod is hinged between the folding link and the rear seat bracket.
2. The child stroller frame according to claim 1, wherein: A connecting piece is provided at the lower end of the upper push handle. A first hinge hole is provided on the connecting piece. The upper end of the folding link is hinged to the connecting piece at the first hinge hole.
3. The child stroller frame according to claim 2, wherein: A connecting block is provided on one side of the rear bracket close to the front bracket. A second hinge hole is provided on the connecting block. The lower end portion of the folding link is hinged to the connecting block at the second hinge hole.
4. A child stroller frame according to claim 3, characterized in that: A hinge piece is provided at the lower end of the folding link. A third hinge hole is provided on the hinge piece. One end of the connecting rod is hinged to the hinge piece at the third hinge hole.
5. A child stroller frame according to claim 4, characterized in that: The rear end of the front seat bracket is hinged to the front end of the rear seat bracket. A fourth hinge hole is provided at the front end of the rear seat bracket. The other end of the connecting rod is hinged to the front end of the rear seat bracket at the fourth hinge hole.
6. A child stroller frame according to claim 5, wherein: It further includes an armrest (10), and the armrest is fixedly connected to the hinge member.
7. A child stroller frame according to claim 6, characterized in that: A rear wheel assembly (12) is installed at the rear end of the rear bracket, and a front wheel assembly (13) is installed at the front end of the front bracket.
8. A child stroller frame according to claim 7, characterized in that: The front end portion of the upper push handle and the rear end of the lower push handle are hinged to each other through a locking member (15).
9. The child stroller frame according to claim 8, wherein: An unlocking button (18) is installed in the middle of the upper push handle, and the unlocking button controls the unlocking of the locking member.