One-touch automatic folding twin stroller

Abstract

The utility model relates to the technical field of children's push car, and particularly relates to a one-key automatic folding twin stroller, which has the advantages of strong multifunctional applicability, simple structure, atmospheric and beautiful appearance, simple operation, small folding volume and flexible rotation, and comprises a push handle assembly, a backrest assembly, a front leg assembly and a rear leg assembly, the push handle assembly is connected with the backrest assembly below, the front leg assembly is installed on the left side of the backrest assembly, and the rear leg assembly is installed on the right side of the backrest assembly.

Description

Technical Field

[0001] This utility model relates to the technical field of children's strollers, and in particular to a one-button automatic folding twin stroller. Background Technology

[0002] Existing technology publication number CN207860245U discloses a children's stroller, including a frame and wheels. Four support rods are mounted on the base of the frame, with their upper ends fixed to a rectangular frame. A seat is formed by plastic rattan on the surface of the rectangular frame, and a backrest is mounted above the seat. The backrest consists of a surrounding panel and a "U"-shaped bar. The surrounding panel is formed by plastic rattan on the surface of the area enclosed by the surrounding bar and the "U"-shaped bar. A backrest bar is mounted on the backrest. A storage shelf with a storage box is mounted on the frame, and the shelf is fixed to the base frame via a second connecting rod. A handle is also mounted on the frame. However, this stroller has a complex structure, poor operational flexibility, poor stability, an unreasonable appearance, cannot be folded, and occupies a large amount of space. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a one-button automatic folding twin stroller with strong multi-functionality, simple structure, beautiful appearance, simple operation, small folding size, and flexible rotation.

[0004] This utility model of a one-button automatic folding twin stroller includes a push handle assembly, a backrest assembly, a front leg assembly, and a rear leg assembly. The push handle assembly is connected to the backrest assembly at the bottom. The front leg assembly is installed on the left side of the backrest assembly, and the rear leg assembly is installed on the right side of the backrest assembly. Based on the principle of small adjacent gaps, stability, and triangular support, the stroller is stronger, more stable, and more durable. The stroller automatically folds and stands upright when a button is pressed, resulting in a compact folded size and strong stability, making it convenient for travel.

[0005] Preferably, the push handle assembly includes an upper handle folding mechanism, a handle folding roller, a tension roller, a lower handle folding mechanism, a handle folding spring, a lower handle tube, a side armrest tube, a front canopy tube, a rear canopy tube, a handle, a double-lock button, a first rear support tube, a support flat iron, a handle button, a middle handle folding mechanism, a middle handle support tube, a middle side armrest tube, a middle lower handle tube, and a handle support tube. Lower handle tubes are installed at both ends of the handle, a handle button is installed in the middle of the handle, and a double-lock button is installed on the handle button. Handle support tubes are connected to the front and rear sides of the lower end of the handle, a middle handle support tube is installed in the middle of the handle support tube, and a rear canopy tube is installed on the handle support tube. An upper handle folding mechanism is installed at the lower end of the lower handle tube, and a handle folding roller is installed on the upper handle folding mechanism. The front canopy tube is connected to the upper handle folding mechanism, lower handle folding mechanism, tension roller, handle folding spring, and canopy seat by a pin, allowing rotation around the pin. The side handlebar tube is connected to the lower handlebar folding mechanism. The middle tube of the side handlebar is installed on the lower handlebar folding mechanism in the middle. The first rear support tube is connected to the upper and middle handlebar folding mechanisms by rivets via a support flat iron. The first rear support tube is connected to the support flat iron by rivets. First, press the double lock button and then press the handlebar button with your finger. At this time, the pull rope pulls the pull wheel. The pull wheel moves to one side under the action of the inclined wave, which drives the handlebar folding pull wheel to move as well. At the same time, the handlebar folding pull wheel disengages from the upper handlebar folding mechanism. At this time, the handlebar and the lower handlebar folding mechanism can rotate. The lower handlebar and the upper handlebar folding mechanism can rotate. Since the first rear support tube is connected to the handlebar tube assembly by rivets, it can also rotate. The support flat iron support plate is connected to the first rear support tube by rivets, which can also rotate. Since all the middle tubes, handlebars, and support tubes do not have a locking mechanism, the middle structure can rotate with the side components.

[0006] Preferably, the backrest assembly includes a backrest tube, a backrest adjustment fixing seat, a first backrest adjustment button, a third backrest adjustment button, and a backrest adjustment component. The side armrest tube and the front end of the middle tube of the side armrest are fitted with a backrest adjustment fixing seat. The first backrest adjustment button is installed on the backrest adjustment fixing seat. The backrest tube is connected to the backrest adjustment fixing seat, and the backrest adjustment component is installed on the backrest tube. A pull rope is installed inside the backrest tube and is connected to the first backrest adjustment button. First, the backrest adjustment component is manually pulled down. Then, the first backrest adjustment button is pulled out of the backrest adjustment fixing seat slot by the pull rope. At this point, the backrest tube can be lifted and rotated up and down. Since there are two backrest adjustments, they can be adjusted independently.

[0007] Preferably, the front foot assembly includes a foot pedal, a front bottom support tube, a rear bottom support tube, a front support tube, a front wheel assembly, a front bottom support center tube, a rear bottom support center tube, a front support tube, and a front foot center tube. The front support tube is installed at both the front and rear ends of the foot pedal, the front foot center tube is installed in the middle of the foot pedal, the front bottom support tube is installed on the front support tube, the rear bottom support tube is rotatably installed at the other end of the front bottom support tube, the front bottom support center tube is rotatably installed on the front foot center tube, the rear bottom support center tube is rotatably installed at the other end of the front bottom support center tube, the front support tube is installed between the front support tube and the front foot center tube, and the front wheel assembly is installed at both the front and rear ends of the bottom of the foot pedal. The front and rear bottom support tubes can rotate, and the front bottom support center tube and the front foot center tube can also rotate freely, enabling folding and collapsing of the vehicle.

[0008] Preferably, the rear leg assembly includes a front seat frame, a rear seat frame tube, a front armrest, a large joint, a brake lever, a rear support tube, and a rear wheel assembly. The front armrest and the rear support tube are installed at the front end of the side armrest tube via the large joint. The front armrest is installed at the top of the rear support tube, and the rear wheel assembly is installed at the bottom of the rear support tube. The brake lever is installed between the two rear wheel assemblies. The large joint is connected to the front support tube. The front seat frame is installed on the upper part of the front support tube, and the rear seat frame tube is installed on the large joint. A second backrest adjustment button is provided on the rear seat frame tube. The front seat frame, the rear seat frame tube, the rear support tube, and the rear support tube are connected by rivets and can rotate to complete the folding and stowage.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: based on the principle of small adjacent gaps, stability, and triangular support, the strength is more stable and durable. The whole vehicle will automatically fold and stand up when the button is released, and the folded size is small. It is stable and automatically stands up, which is convenient for travel. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model;

[0011] Figure 2 This is a three-dimensional structural schematic diagram of the present invention;

[0012] Figure 3 This is a schematic diagram of the structure of this utility model after folding and stowing.

[0013] Figure 4 This is a schematic diagram of the push handle assembly of this utility model;

[0014] Figure 5 This is a structural schematic diagram of the backrest assembly of this utility model;

[0015] Figure 6 This is a structural schematic diagram of the front foot assembly of this utility model;

[0016] The attached diagram shows the following markings: 1. Upper handlebar folding; 2. Handlebar folding wheel; 3. Extension wheel; 4. Lower handlebar folding; 5. Handlebar folding compression spring; 6. Lower handlebar tube; 7. Side armrest tube; 8. Front canopy tube; 9. Rear canopy tube; 10. Handlebar; 11. Double lock button; 12. First rear support tube; 13. Support flat iron; 14. Backrest tube; 15. Backrest adjustment fixing seat; 16. First backrest adjustment button; 17. Foot pedal; 18. Front bottom support tube; 19. Rear bottom support tube; 20. Front seat frame; 21. Rear seat frame tube; 22. Front armrest; 23. 24. Second backrest adjustment button; 25. Large joint; 26. Brake lever; 27. Rear support tube; 28. Front support tube; 29. ​​Front wheel assembly; 20. Rear wheel assembly; 31. Handlebar button; 32. Third backrest adjustment button; 33. Backrest adjustment component; 34. Middle handlebar folding; 35. Handlebar middle support tube; 36. Side armrest middle tube; 37. Handlebar lower tube; 38. Handlebar support tube; 39. Rear support middle tube; 40. Front bottom support middle tube; 41. Rear bottom support middle tube; 42. Front support tube; 43. Front foot middle tube; 44. Rear support middle tube; 45. Rear support tube. Detailed Implementation

[0017] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0018] like Figures 1 to 6As shown, handlebars 10 have lower handlebar tubes 6 installed at both ends, a handlebar button 30 installed in the middle, a double-lock button 11 installed on the handlebar button 30, handlebar support tubes 38 connected to the front and rear sides of the lower end of handlebars 10, a handlebar support tube 35 installed in the middle of the handlebar support tube 38, a rear canopy tube 9 installed on the handlebar support tube 38, an upper handlebar folding 1 installed at the lower end of the lower handlebar tube 6, a handlebar folding wheel 2 installed on the upper handlebar folding 1, and the front canopy tube 8 is connected to the upper handlebar folding 1, lower handlebar folding 4, tension wheel 3, handlebar folding compression spring 5, and canopy tube 9. The seat is connected to the same pin and can rotate around the pin. The side armrest tube 7 is connected to the lower handle folding 4. The middle tube 36 of the side armrest is installed on the middle lower handle folding 4. The first rear support tube 12 is riveted to the upper handle folding 1 and the middle handle folding 34 through the support flat iron 13. The first rear support tube 12 is riveted to the support flat iron 13. The front end of the side armrest tube 7 and the middle tube 36 of the side armrest is equipped with a backrest adjustment fixing seat 15. The backrest adjustment fixing seat 15 is equipped with a first backrest adjustment button 16. The backrest tube 14 is connected to the backrest adjustment fixing seat 15. The backrest tube 14 is connected to a backrest adjustment component 33, which is installed on the backrest tube 14. A pull rope is installed inside the backrest tube 14 and is connected to the first backrest adjustment button 16. The footrest 17 has front support tubes 42 installed at both ends, a front foot support tube 43 installed in the middle, a front bottom support tube 18 installed on the front support tube 42, a rear bottom support tube 19 rotatably installed at the other end of the front bottom support tube 18, a front bottom support tube 40 rotatably installed on the front foot support tube 43, and a rear bottom support tube 41 rotatably installed at the other end of the front bottom support tube 40. The front support tube 42 and the front foot support tube 43 are connected... The foot pedal 17 is equipped with a front support tube 27. Front wheel sets 28 are installed at the front and rear ends of the bottom of the foot pedal 17. The front armrest 22 and the rear support tube 26 are installed at the front end of the side armrest tube 7 through the large joint 24. The front armrest 22 is installed at the top of the rear support tube 26. The rear wheel set 29 is installed at the bottom of the rear support tube 26. A brake lever 25 is installed between the two rear wheel sets 29. The large joint 24 is connected to the front support tube 42. The front seat frame 20 is installed on the upper part of the front support tube 42. The rear seat frame tube 21 is installed on the large joint 24. The second backrest adjustment button 23 is provided on the rear seat frame tube 21.

[0019] First, press the double-lock button 11, then press the handle button 30 with your finger. At this point, the pull rope pulls the extension wheel 3, causing it to move to one side under the action of the inclined wave, simultaneously moving the handle folding wheel 2. Simultaneously, the handle folding wheel 2 disengages from the upper handle folding wheel 1. Now, the handle 10 and lower handle folding wheel 4 can rotate. The lower handle folding wheel 4 and upper handle folding wheel 1 can also rotate. Since the first rear support tube 12 is riveted to the handle tube assembly, it can also rotate. The support flat iron 13 and support plate are riveted to the first rear support tube 12, allowing them to rotate as well. All intermediate tubes... The handlebar support tube 35 and other components do not have a locking mechanism, and the middle structure can rotate with the side components. The front bottom support tube 18 and the rear bottom support tube 19 can rotate, and the front bottom support tube 40 and the front foot tube 43 can also rotate freely. The front seat frame 20, the rear seat frame tube 21, the rear support tube 44, and the rear support tube 45 are connected by rivets and can rotate, enabling folding and folding. First, manually pull down the backrest adjustment piece 33, then pull the first backrest adjustment button 16 with the pull rope to disengage it from the backrest adjustment fixing seat 15 slot. At this time, the backrest tube 14 can be lifted and rotated up and down. Since there are two backrest adjustments, they can be adjusted independently.

[0020] like Figures 1 to 6 As shown, this utility model of a one-button automatic folding twin stroller operates by first pressing the double-lock button 11, then pressing the handlebar button 30 downwards. This moves the pulley 3 outwards and pushes the handlebar folding pulley 2 outwards, disengaging it from the upper handlebar folding 1. Then, the push handle assembly support flat iron 13 rotates the rear bottom support tube 19, simultaneously rotating both the rear and front bottom support tubes 19 and 18. The front bottom support tube 18 then rotates the front support tube 27, which in turn rotates with the large joint 24. The entire frame is in tandem. Releasing the handlebar assembly allows the stroller to fold automatically under the combined force of the tandem and gravity. Under the influence of gravity, the entire vehicle can automatically fold. The push handle assembly and the front foot assembly rotate simultaneously. At this time, the rear foot assembly moves backward. Because the handle assembly is heavy and the front foot assembly is light, the handle assembly pulls the front foot assembly under gravity. The rear foot assembly uses the rear wheel assembly as a fulcrum, and the front foot assembly moves backward. The rear foot assembly uses the rear wheel assembly as a fulcrum and moves backward at an angle. When the handle assembly reaches the bottom, the front foot assembly and the rear foot assembly connect, and the rear foot tube will stand upright. At this time, the entire vehicle is folded up, and the handle assembly wheel is locked. To open, first press the second lock button 11 and then press the handle button 30. Then lift the handle assembly. Similarly, all the linkages are linked. Lifting it to the top will open the entire vehicle.

[0021] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A one-button automatic folding twin stroller, characterized in that: It includes a push handle assembly, a backrest assembly, a front leg assembly, and a rear leg assembly. The push handle assembly is connected to the backrest assembly at the bottom. The front leg assembly is installed on the left side of the backrest assembly, and the rear leg assembly is installed on the right side of the backrest assembly. The push handle assembly includes an upper handle folding (1), a handle folding wheel (2), a tension wheel (3), a lower handle folding (4), a handle folding compression spring (5), a handle lower tube (6), a side armrest tube (7), a front canopy tube (8), a rear canopy tube (9), a handle (10), a double-lock button (11), a first rear support tube (12), a support flat iron (13), a handle button (30), a middle handle folding (34), a handle middle support tube (35), a side armrest middle tube (36), a handle middle lower tube (37), and a handle support tube (38). The handle lower tube (6) is installed at both the front and rear ends of the handle (10). The handle button (30) is installed in the middle of the handle (10). The double-lock button (11) is installed on the handle button (30). The handle support tube (38) is connected to the front and rear sides of the lower end of the handle (10). The handle support tube (38) is equipped with a handle middle support tube (35) in the middle, and a rear canopy tube (9) is installed on the handle support tube (38). The lower end of the handle lower tube (6) is equipped with an upper handle folding (1). The upper handle folding (1) is equipped with a handle folding wheel (2). The front canopy tube (8) is connected to the upper handle folding (1), the lower handle folding (4), the tension wheel (3), the handle folding compression spring (5), and the canopy seat with a nail. It can rotate around the nail. The side armrest tube (7) is connected to the lower handle folding (4). The side armrest middle tube (36) is installed on the middle lower handle folding (4). The first rear support tube (12) is connected to the upper handle folding (1) and the middle handle folding (34) by a support flat iron (13). The first rear support tube (12) is connected to the support flat iron (13) by a nail. The backrest assembly includes a backrest tube (14), a backrest adjustment fixing seat (15), a first backrest adjustment button (16), a third backrest adjustment button (31), and a backrest adjustment component (33). The front ends of the side armrest tube (7) and the middle tube (36) of the side armrest are equipped with the backrest adjustment fixing seat (15). The first backrest adjustment button (16) is installed on the backrest adjustment fixing seat (15). The backrest tube (14) is connected to the backrest adjustment fixing seat (15). The backrest adjustment component (33) is installed on the backrest tube (14). A pull rope is provided inside the backrest tube (14). The pull rope is connected to the first backrest adjustment button (16). The front foot assembly includes a foot pedal (17), a front support tube (18), a rear support tube (19), a front support tube (27), a front wheel assembly (28), a front support center tube (40), a rear support center tube (41), a front support tube (42), and a front foot center tube (43). The front support tube (42) is installed at both the front and rear ends of the foot pedal (17). The front foot center tube (43) is installed in the middle of the foot pedal (17). The front support tube (18) is installed on the front support tube (42). The rear support tube (19) is rotatably installed at the other end of the front support tube (18). The front support center tube (40) is rotatably installed on the front foot center tube (43). The rear support center tube (41) is rotatably installed at the other end of the front support center tube (40). The front support tube (27) is installed between the front support tube (42) and the front foot center tube (43). The front wheel assembly (28) is installed at both the front and rear ends of the bottom of the foot pedal (17).

2. The one-button automatic folding twin stroller as described in claim 1, characterized in that, The rear leg assembly includes a front seat frame (20), a rear seat frame tube (21), a front armrest (22), a large joint (24), a brake lever (25), a rear support tube (26), and a rear wheel assembly (29). The front armrest (22) and the rear support tube (26) are installed at the front end of the side armrest tube (7) through the large joint (24). The front armrest (22) is installed at the top of the rear support tube (26), and the rear wheel assembly (29) is installed at the bottom of the rear support tube (26). The brake lever (25) is installed between the two rear wheel assemblies (29). The large joint (24) is connected to the front support tube (42). The front seat frame (20) is installed on the upper part of the front support tube (42). The rear seat frame tube (21) is installed on the large joint (24), and a second backrest adjustment button (23) is provided on the rear seat frame tube (21).

Images