Novel doll trolley

By designing the telescopic handle and positioning mechanism in the baby walking cart, it can quickly fold and unfold, solving the problems of cumbersome operation and low stability of the existing baby walking cart, and improving the flexibility and storage convenience of the baby cart.

CN223014694UActive Publication Date: 2025-06-24陈延飞
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Patent Information

Application Number
CN202422130386.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-01
Publication Date
2025-06-24
Estimated Expiration
2034-09-01

AI Technical Summary

Technical Problem

The folding mechanism of the existing baby walking cart is cumbersome to operate, unable to quickly fold and unfold, has low stability, poor flexibility, and cannot effectively reduce the volume.

Method used

A new type of baby walking cart is designed, using a telescopic handle and a positioning mechanism. The connecting shell and wishbone are unlocked and folded by the rotation of the telescopic handle, achieving rapid folding and unfolding.

Benefits of technology

It realizes the rapid folding and unfolding of the baby walking cart, improves stability and flexibility, reduces the size of the baby stroller, and is convenient for storage.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223014694U_ABST
    Figure CN223014694U_ABST
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Abstract

The utility model belongs to the technical field of child carts, and particularly relates to a novel doll-slipping cart which comprises a base. The front fork arm is rotationally connected to the bottom of the base; the connecting shell is rotationally connected to the top end of the front fork arm; the rear fork arm is fixedly connected with the connecting shell; the connecting sleeve is rotationally connected with the connecting shell; the left side of the telescopic handle is in sliding connection with the inner wall of the connecting sleeve, and the telescopic handle extends to the inner side of the connecting shell; the front fork arm and the rear fork arm can be unlocked by pulling out the telescopic handle on the connecting shell, so that the front fork arm, the rear fork arm and the handle are rotated on the connecting shell, and then the telescopic handle is pulled out from the connecting shell, so that the front fork arm and the rear fork arm can be unlocked. And the front fork arm, the rear fork arm and the telescopic handle can be folded at the bottom of the seat, so that the baby stroller is convenient to store.
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Description

Technical Field

[0001] The utility model relates to the technical field of baby strollers, in particular to a new type of baby strolling cart. Background Art

[0002] Baby strolling carts have been widely used. People put children in the baby strolling carts for outdoor activities, which is indeed much more convenient. However, when carrying or storing the baby strolling carts, there are often problems that the volume of the baby strolling carts is large and a large space is required for storage.

[0003] Currently, baby strolling carts are provided with folding devices to reduce the volume of the baby strolling carts for easy storage and carrying. However, the existing folding mechanisms are very cumbersome to operate, and cannot achieve quick folding and unfolding. The stability is not high, the flexibility is poor, and the cart cannot be folded into a smaller volume. Therefore, the utility model proposes a new type of baby strolling cart to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantages in the prior art that the folding mechanism is very cumbersome to operate, and cannot achieve quick folding and unfolding, the stability is not high, the flexibility is poor, and the cart cannot be folded into a smaller volume, and to propose a new type of baby strolling cart.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A new type of baby strolling cart includes

[0007] A base;

[0008] A front fork arm, which is rotatably connected to the bottom of the base;

[0009] A connecting shell, which is rotatably connected to the top end of the front fork arm;

[0010] A rear fork arm, which is fixedly connected to the connecting shell;

[0011] A connecting sleeve, which is rotatably connected to the connecting shell;

[0012] A telescopic handle, the left side of which is slidably connected to the inner wall of the connecting sleeve, and the telescopic handle extends to the inside of the connecting shell;

[0013] A positioning mechanism and a connecting mechanism, both of which cooperate with the connecting shell;

[0014] A seat mechanism, which includes: a seat, a dining plate and a backrest;

[0015] The seat is fixedly installed on the top of the base, and both the dining plate and the backrest are rotatably connected to the top of the seat.

[0016] As a preferred solution of the utility model, the positioning mechanism includes: two positioning frames, three springs, a rotating frame and an insertion frame;

[0017] Both two positioning frames and the insertion frame are slidably connected to the inner wall of the connection shell. The three springs are respectively engaged with the two positioning frames and the insertion frame. The insertion frame is in sliding contact with the rotating frame. The rotating frame is rotatably connected to the inner wall of the connection shell. Both the rotating frame and the two positioning frames cooperate with the telescopic handle.

[0018] As a preferred solution of the utility model, the connection mechanism includes: a sliding sleeve, a connecting plate, a first connecting rod and a second connecting rod;

[0019] The second connecting rod is respectively rotatably connected to the first connecting rod and the sliding sleeve. The sliding sleeve is sleeved on the outside of the front fork arm. The connecting plate is respectively rotatably connected to the base and the sliding sleeve.

[0020] As a preferred solution of the utility model, a rectangular insertion groove is provided at the top end of the front fork arm. The right end of the insertion frame is detachably clamped with the inner wall of the insertion groove. Symmetrically arranged fitting grooves are provided on the inner wall of the connection shell. The outer sides of the two positioning frames are respectively detachably clamped with the inner walls of the two fitting grooves.

[0021] As a preferred solution of the utility model, a guard plate is fixedly installed on the inner side of the rear fork arm. An adaptation groove is provided on the guard plate, at the rear side of the telescopic handle.

[0022] As a preferred solution of the utility model, symmetrically arranged universal wheels are fixedly installed at the bottom of the front fork arm. The number of the universal wheels is two. A rear wheel is fixedly installed at the bottom of the rear fork arm. Fixing mechanisms are provided on both the telescopic handle and the rear wheel. A cup holder is fixedly installed on the telescopic handle.

[0023] Beneficial effects:

[0024] 1. After the telescopic handle is pulled out of the inside of the connection shell, the telescopic handle can be disengaged from the two positioning frames and the rotating frame, so as to release the two positioning frames and the rotating frame. The initial states of the three springs are all in a compressed state. When the three springs reset simultaneously, they will drive the two positioning frames to disengage from the connection shell, unlock the two first connecting rods, and unlock the insertion frame from the front fork arm, so as to unlock the connection shell, and then the front fork arm, the rear fork arm and the telescopic handle can be folded;

[0025] 2. When the telescopic handle rotates on the connecting sleeve and drives the connecting shell to rotate, it drives the rear fork arm closer to the front fork arm. At this time, the connecting shell will also push the second connecting rod, and the second connecting rod can push the sliding sleeve to slide on the front side of the front fork arm, so as to pull the base to rotate on the top of the front fork arm, move closer to the front fork arm, and then fold the backrest and the dining plate on the base to achieve complete folding, reducing the volume of the stroller and facilitating the storage of the baby stroller.

[0026] In the present utility model: By pulling out the telescopic handle on the connecting shell, the front fork arm and the rear fork arm can be unlocked, and then by rotating the front fork arm, the rear fork arm and the handle on the connecting shell, the front fork arm, the rear fork arm and the telescopic handle can be folded at the bottom of the seat, reducing the volume of the baby stroller and facilitating the storage of the baby stroller. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is the front view comfort diagram of the present utility model;

[0028] Figure 2 is the rear three-dimensional view of the present utility model;

[0029] Figure 3 is the bottom three-dimensional view of the present utility model;

[0030] Figure 4 is the three-dimensional view of the fixing mechanism of the present utility model.

[0031] In the figure: 1. Seat; 2. Backrest; 3. Dining plate; 4. Connecting shell; 5. Rear fork arm; 6. Front fork arm; 7. Guard plate; 8. Telescopic handle; 9. Cup holder; 10. Universal wheel; 11. Rear wheel; 12. Sliding sleeve; 13. Connecting plate; 14. Positioning frame; 15. Spring; 16. Rotating frame; 17. Inserting frame; 18. First connecting rod; 19. Second connecting rod; 20. Connecting sleeve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0033] Embodiment

[0034] Refer to Figures 1 - 4 , a new type of baby stroller, including

[0035] Base;

[0036] Front fork arm 6, the front fork arm 6 is rotatably connected to the bottom of the base;

[0037] Connecting shell 4, the connecting shell 4 is rotatably connected to the top of the front fork arm 6;

[0038] Rear fork arm 5, the rear fork arm 5 is fixedly connected to the connecting shell 4;

[0039] Connecting sleeve 20, the connecting sleeve 20 is rotatably connected to the connecting shell 4;

[0040] Telescopic handle 8, the left side of the telescopic handle 8 is slidably connected to the inner wall of the connecting sleeve 20, and the telescopic handle 8 extends to the inside of the connecting shell 4;

[0041] Positioning mechanism and connecting mechanism, both the positioning mechanism and the connecting mechanism cooperate with the connecting shell 4;

[0042] Seat 1 mechanism, the seat 1 mechanism includes: seat 1, dining plate 3 and backrest 2;

[0043] The seat 1 is fixedly installed on the top of the base, and both the dining plate 3 and the backrest 2 are rotatably connected to the top of the seat 1.

[0044] With the above structure: By pulling out the telescopic handle 8 on the connecting shell 4, the front fork arm 6 and the rear fork arm 5 can be unlocked, and by rotating the front fork arm 6, the rear fork arm 5 and the handle on the connecting shell 4, the front fork arm 6, the rear fork arm 5 and the telescopic handle 8 can be folded at the bottom of the seat 1, reducing the volume of the stroller and facilitating the storage of the stroller.

[0045] As a preferred solution of the present utility model, the positioning mechanism includes: two positioning frames 14, three springs 15, a rotating frame 16 and an inserting frame 17;

[0046] Both the two positioning frames 14 and the inserting frame 17 are slidably connected to the inner wall of the connecting shell 4, the three springs 15 are respectively engaged with the two positioning frames 14 and the inserting frame 17, the inserting frame 17 is in sliding contact with the rotating frame 16, the rotating frame 16 is rotatably connected to the inner wall of the connecting shell 4, and both the rotating frame 16 and the two positioning frames 14 cooperate with the telescopic handle 8. After the telescopic handle 8 is pulled out of the inside of the connecting shell 4, the telescopic handle 8 can be disengaged from the two positioning frames 14 and the rotating frame 16, so as to release the two positioning frames 14 and the rotating frame 16. The initial states of the three springs 15 are all in a compressed state. When the three springs 15 are reset simultaneously, they will drive the two positioning frames 14 to disengage from the connecting shell 4, unlock the two first connecting rods 18, and unlock the inserting frame 17 from the front fork arm 6 to unlock the connecting shell 4, and then the front fork arm 6, the rear fork arm 5 and the telescopic handle 8 can be folded.

[0047] As a preferred solution of the present utility model, the connecting mechanism includes: a sliding sleeve 12, a connecting plate 13, a first connecting rod 18 and a second connecting rod 19;

[0048] The second connecting rod 19 is rotatably connected to the first connecting rod 18 and the sliding sleeve 12 respectively. The sliding sleeve 12 is arranged on the outer side of the front fork arm 6. The connecting plate 13 is rotatably connected to the base and the sliding sleeve 12 respectively. On the telescopic handle 8, when the telescopic handle 8 rotates on the connecting sleeve 20 and drives the connecting shell 4 to rotate, it drives the rear fork arm 5 to approach the front fork arm 6. At this time, the connecting shell 4 will also push the second connecting rod 19, and the second connecting rod 19 can push the sliding sleeve 12 to slide on the front side of the front fork arm 6, so as to pull the base to rotate on the top of the front fork arm 6 and approach the front fork arm 6. Then, the backrest 2 and the dining plate 3 are folded on the base, and the complete folding can be carried out, reducing the volume of the baby carriage and facilitating the storage of the baby stroller.

[0049] As a preferred solution of the present utility model, a rectangular insertion groove is formed at the top end of the front fork arm 6. The right end of the insertion frame 17 is detachably clamped with the inner wall of the insertion groove. Symmetrically arranged fitting grooves are formed on the inner wall of the connecting shell 4, and the outer sides of the two positioning frames 14 are respectively detachably clamped with the inner walls of the two fitting grooves.

[0050] As a preferred solution of the present utility model, a guard plate 7 is fixedly installed on the inner side of the rear fork arm 5. An adaptation groove is formed on the guard plate 7, and on the rear side of the telescopic handle 8.

[0051] As a preferred solution of the present utility model, symmetrically arranged universal wheels 10 are fixedly installed at the bottom of the front fork arm 6. The number of the universal wheels 10 is two. A rear wheel 11 is fixedly installed at the bottom of the rear fork arm 5. Fixing mechanisms are arranged on both the telescopic handle 8 and the rear wheel 11. A cup holder 9 is fixedly installed on the telescopic handle 8.

[0052] The working principle of the present utility model: When it is necessary to fold the stroller, only need to pull out the telescopic handle 8 inside the connecting shell 4. After the telescopic handle 8 is pulled out from the inside of the connecting shell 4, the telescopic handle 8 can be disengaged from the two positioning frames 14 and the rotating frame 16, so as to release the two positioning frames 14 and the rotating frame 16. The initial states of the three springs 15 are all in a compressed state. When the three springs 15 reset simultaneously, they will drive the two positioning frames 14 to disengage from the connecting shell 4, unlock the two first connecting rods 18, and unlock the insertion frame 17 from the front fork arm 6, then the connecting shell 4 can be unlocked, and the front fork arm 6, the rear fork arm 5 and the telescopic handle 8 can be folded. When the telescopic handle 8 rotates on the connecting sleeve 20 and drives the connecting shell 4 to rotate, it drives the rear fork arm 5 to approach the front fork arm 6. At this time, the connecting shell 4 will also push the second connecting rod 19, and the second connecting rod 19 can push the sliding sleeve 12 to slide on the front side of the front fork arm 6, so as to pull the base to rotate on the top of the front fork arm 6 and approach the front fork arm 6. Then fold the backrest 2 and the dining plate 3 on the base, and the stroller can be completely folded, reducing the volume of the stroller and facilitating the storage of the stroller. When it is necessary to unfold the stroller, it is necessary to first reset the connecting shell 4 and the rear fork arm 5, and then insert the telescopic handle 8 into the inside of the connecting shell 4, then it can squeeze the two positioning frames 14 to engage with the connecting shell 4, position the first connecting rod 18 and the second connecting rod 19, and will squeeze the rotating frame 16 to rotate, so that the rotating frame 16 can squeeze the insertion frame 17 to insert into the top of the front fork arm 6 to position the connecting shell 4.

[0053] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A new type of baby stroller, characterized in that: include Base; A front fork arm (6), the front fork arm (6) being rotatably connected to the bottom of the base; A connecting shell (4), the connecting shell (4) being rotatably connected to the top end of the front fork arm (6); A rear fork arm (5), wherein the rear fork arm (5) is fixedly connected to the connecting shell (4); A telescopic handle (8), the telescopic handle (8) extending to the inner side of the connecting shell (4); A positioning mechanism and a connecting mechanism, wherein the positioning mechanism and the connecting mechanism both cooperate with the connecting shell (4); A seat (1) mechanism, the seat (1) mechanism comprising: a seat (1), a dining tray (3) and a backrest (2); The seat (1) is fixedly mounted on the top of the base, and the dining tray (3) and the backrest (2) are both rotatably connected to the top of the seat (1); The positioning mechanism comprises: two positioning frames (14), three springs (15), a rotating frame (16) and an insertion frame (17); The two positioning frames (14) and the insertion frame (17) are both slidably connected to the inner wall of the connecting shell (4); the three springs (15) are respectively engaged with the two positioning frames (14) and the insertion frame (17); the insertion frame (17) is in sliding contact with the rotating frame (16); the rotating frame (16) is rotatably connected to the inner wall of the connecting shell (4); the rotating frame (16) and the two positioning frames (14) are both matched with the telescopic handle (8); The connecting mechanism comprises: a sliding sleeve (12), a connecting plate (13), a first connecting rod (18) and a second connecting rod (19); The second connecting rod (19) is rotatably connected to the first connecting rod (18) and the sliding sleeve (12), respectively. The sliding sleeve (12) is arranged on the outside of the front fork arm (6), and the connecting plate (13) is rotatably connected to the base and the sliding sleeve (12), respectively.

2. A new type of baby stroller according to claim 1, characterized in that: A rectangular insertion slot is provided at the top end of the front fork arm (6), the right end of the insertion frame (17) is detachably engaged with the inner wall of the insertion slot, a symmetrically arranged adaptation groove is provided on the inner wall of the connection shell (4), and the outer sides of the two positioning frames (14) are detachably engaged with the inner walls of the two adaptation grooves.

3. A new type of baby stroller according to claim 1, characterized in that: A guard plate (7) is fixedly mounted on the inner side of the rear fork arm (5), and an adapting groove is provided on the guard plate (7), which is arranged on the rear side of the telescopic handle (8).

4. A new type of baby stroller according to claim 1, characterized in that: The bottom of the front fork arm (6) is fixedly mounted with symmetrically arranged universal wheels (10), the number of the universal wheels (10) being two, the bottom of the rear fork arm (5) is fixedly mounted with a rear wheel (11), the telescopic handle (8) and the rear wheel (11) are both provided with fixing mechanisms, and the telescopic handle (8) is fixedly mounted with a cup holder (9).