Folding structure of baby carriage

Abstract

The utility model discloses a baby carriage folding structure, and relates to the technical field of baby carriages. The device comprises a first support, a second support and a handle, the bottom end of the handle is rotationally connected with a clamping pipe through a rotating joint, and the device is characterized in that a control rope is wound in the rotating joint, and the bottom end of the clamping pipe is rotationally connected with the outer side of the second support through a rotating shaft; side handrails are in sliding fit with the outer sides of the clamping pipes, and the other ends of the side handrails are rotationally connected with the second bracket; a sliding clamping pin is arranged on the clamping pipe, a sliding clamping groove matched with the sliding clamping pin in a clamping mode is formed in the side handrail, the sliding clamping pin is connected with a control rope, and the control rope can drive the sliding clamping pin to be separated from the sliding clamping groove. The baby carriage has the advantages that the baby carriage is quickly folded according to the gravity of the handle, two positions on the baby carriage are limited, and the structure is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of baby carriages, and particularly relates to a folding structure of a baby carriage. Background Art

[0002] A baby carriage is a tool vehicle designed to facilitate outdoor activities for babies. There are various models. Generally, babies aged 1 to 2 play with baby carriages, and those over 2 years old play with toy cars with wheels. Baby carriages can bring certain benefits to the intellectual development of children and enhance the mental development of children. When the existing baby carriages are folded, the operation is inconvenient and the folding speed is slow. Moreover, after the baby carriage is unfolded, it is generally fixed by only one clamping point, and the fixation is not stable. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a folding structure of a baby carriage in view of the above-mentioned technical deficiencies. The baby carriage can be quickly folded according to the gravity of the handle, and there are two limit positions on the baby carriage, and this structure is more stable.

[0004] The technical scheme adopted by the utility model is as follows: A folding structure of a baby carriage is provided, which includes a first bracket, a second bracket, and a handle. The bottom end of the handle is rotationally connected with a clamping tube through a rotary joint. It is characterized in that: a control rope is wound inside the rotary joint, and the bottom end of the clamping tube is rotationally connected with the outer side of the second bracket through a rotating shaft; a side armrest is slidably matched with the outer side of the clamping tube, and the other end of the side armrest is rotationally connected with the second bracket; a sliding latch is arranged on the clamping tube, and a sliding clamping groove which is clamped and matched with the sliding latch is arranged at the side armrest. The sliding latch is connected with the control rope, and the control rope can drive the sliding latch to disengage from the sliding clamping groove; a rotating clamping groove corresponding to the clamping tube is opened on the outer side of the rotating shaft, and a rotating latch which is clamped and matched with the rotating clamping groove is slidably connected to the clamping tube. The rotating latch is connected with the control rope, and the control rope can drive the rotating latch to disengage from the rotating clamping groove.

[0005] Further optimizing the technical scheme, a sliding tube is rotationally connected to the side armrest of a folding structure of a baby carriage. The sliding tube is slidably sleeved with the outer side of the clamping tube, and the sliding clamping groove is arranged on the sliding tube; the sliding latch is slidably connected with the clamping tube; a spring is connected between the sliding latch and the inner wall of the clamping tube. A wire pulley is arranged on one side of the spring, and the wire pulley is rotationally connected with the clamping tube. The control rope bypasses the wire pulley and is fixedly connected with the sliding latch.

[0006] Further optimizing the technical scheme, an inclined pressing groove is opened on the side armrest at the position of the sliding latch of a folding structure of a baby carriage.

[0007] Further optimizing the technical scheme, the rotating shaft is fixed on the second bracket; a rotating tube is rotationally sleeved on the outer side of the fixed shaft; the rotating tube is fixedly connected with the clamping tube; an elastic cord is connected between the outer side of the rotating latch and the inner wall of the clamping tube.

[0008] To further optimize this technical solution, a rotating joint of a stroller folding structure includes a rotating column. A rotating tube is rotatably sleeved outside the rotating column. A control rope is connected to the rotating tube. While the rotating tube rotates outside the rotating column, the control rope is wound around the rotating column. The rotating column is fixedly connected to a clamping tube, and the control rope is arranged inside the clamping tube. The rotating tube is fixedly connected to a handle.

[0009] To further optimize this technical solution, the bottom end of a clamping tube of a stroller folding structure is rotatably connected to a seat frame, and the other end of the seat frame is rotatably connected to a first bracket.

[0010] To further optimize this technical solution, the bottom end of a side armrest of a stroller folding structure is rotatably connected to the top end of a second bracket, and the top end of the second bracket is rotatably connected to the top end of the first bracket.

[0011] Compared with the traditional stroller structure, the beneficial effects of the present utility model are as follows:

[0012] 1. The cooperation of the handle, rotating tube, rotating column, control rope, clamping tube, sliding latch, rotating latch, rotating shaft, and rotating slot. Through the pressure after the handle rotates, the sliding tube on the side armrest slides along the clamping tube, and the rotating latch no longer limits the position with the rotating slot, for folding, which is convenient for quick folding and use by the gravity of the handle.

[0013] 2. The cooperation of the handle, control rope, wire pulley, sliding latch, sliding tube, sliding slot, side armrest, rotating latch, rotating slot, rotating tube, and clamping tube. At the same time, it drives two places to no longer limit and fix, which is convenient for quick folding and use. And the limit and fixation of the two places make the fixed structure of this stroller more stable.

[0014] 3. The setting of the spring and elastic rope. According to the elastic force, it is convenient to automatically control the reset and clamping of the limit and fixation part during unfolding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural view of the present utility model;

[0016] Figure 2 is a schematic structural view of the handle of the present utility model when folded;

[0017] Figure 3 is a schematic structural view of the present utility model after folding;

[0018] Figure 4 is a schematic structural view of the sliding latch part of the present utility model;

[0019] Figure 5 is a schematic structural view of the rotating latch part of the present utility model;

[0020] Figure 6 is a schematic structural view of the rotating joint part of the present utility model;

[0021] Figure 7 Another perspective structural schematic diagram of the rotary joint of the present utility model;

[0022] In the figure, 1 is the first bracket; 2 is the second bracket; 3 is the handle; 4 is the rotary joint; 5 is the clamping tube; 6 is the control rope; 7 is the rotating shaft; 8 is the side armrest; 9 is the sliding pin; 10 is the sliding slot; 11 is the rotating slot; 12 is the rotating pin; 13 is the sliding tube; 14 is the spring; 15 is the wire pulley; 16 is the pressing groove; 17 is the rotating tube; 18 is the elastic rope; 19 is the rotating column; 20 is the rotating tube; 21 is the seat frame. Specific embodiments

[0023] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] As Figure 1-7 shown, a folding structure of a baby stroller includes a first bracket 1, a second bracket 2, and a handle 3. The bottom end of the handle 3 is rotatably connected to a clamping tube 5 through a rotary joint 4. It is characterized in that: a control rope 6 is wound inside the rotary joint 4, and the bottom end of the clamping tube 5 is rotatably connected to the outside of the second bracket 2 through a rotating shaft 7; a side armrest 8 is slidably fitted on the outside of the clamping tube 5, and the other end of the side armrest 8 is rotatably connected to the second bracket 2; a sliding pin 9 is provided on the clamping tube 5, and a sliding slot 10 that is snap-fitted with the sliding pin 9 is provided at the side armrest 8. The sliding pin 9 is connected to the control rope 6, and the control rope 6 can drive the sliding pin 9 to disengage from the sliding slot 10; a rotating slot 11 corresponding to the clamping tube 5 is opened on the outside of the rotating shaft 7, and a rotating pin 12 that is snap-fitted with the rotating slot 11 is slidably connected to the clamping tube 5. The rotating pin 12 is connected to the control rope 6, and the control rope 6 can drive the rotating pin 12 to disengage from the rotating slot 11; a rotating slot 11 corresponding to the clamping tube 5 is opened on the outside of the rotating shaft 7, and a rotating pin 12 that is snap-fitted with the rotating slot 11 is slidably connected to the clamping tube 5. The rotating pin 12 is connected to the control rope 6, and the control rope 6 can drive the rotating pin 12 to disengage from the rotating slot 11; an inclined pressing groove 16 is opened on the side armrest 8 at the sliding pin 9; the rotating shaft 7 is fixed to the second bracket 2; a rotating tube 17 is rotatably sleeved on the outside of the fixed shaft; the rotating tube 17 is fixedly connected to the clamping tube 5; the outside of the rotating pin 12 is connected to the inner wall of the clamping tube 5 through an elastic rope 18; the rotary joint 4 includes a rotating column 19, a rotating tube 20 is rotatably sleeved on the outside of the rotating column, the control rope 6 is connected to the rotating tube 20, and while the rotating tube 20 rotates on the outside of the rotating column 19, the control rope 6 is wound on the rotating column 19; the rotating column 19 is fixedly connected to the clamping tube 5, and the control rope 6 is arranged inside the clamping tube 5; the rotating tube 20 is fixedly connected to the handle 3; the bottom end of the clamping tube 5 is rotatably connected to a seat frame 21, and the other end of the seat frame 21 is rotatably connected to the first bracket 1; the bottom end of the side armrest 8 is rotatably connected to the top end of the second bracket 2, and the top end of the second bracket 2 is rotatably connected to the top end of the first bracket 1.

[0025] When folding, turn the handle 3 counterclockwise. The handle 3 drives the rotating tube 20 to rotate on the rotating column 19. When the rotating tube 20 rotates, the control rope 6 thereon will wind around the rotating column 19, so that the control rope 6 moves upward in the clamping tube 5. At this time, as Figure 2 shown, after the handle 3 rotates, it presses on the clamping tube 5. At the same time, the control rope 6 drives the sliding pin 9 and the rotating pin 12 to move. The sliding pin 9 no longer limits the sliding card slot 10, and the rotating pin 12 no longer limits the rotating card slot 11 outside the rotating shaft 7. And through the pressure after the handle 3 rotates, the sliding tube 13 on the side armrest 8 slides along the clamping tube 5 for folding. At the same time, the rotating pin 12 on the clamping tube 5 no longer limits the rotating card slot 11 on the rotating shaft 7, and the clamping tube 5 will also fold, and it will fold into the shape as Figure 3 shown, which is convenient for quick folding and use by the gravity of the handle 3;

[0026] When the handle 3 rotates counterclockwise for folding, the control rope 6 bypasses the wire pulley 15 and pulls the sliding pin 9 to move. The sliding pin 9 no longer limits the sliding card slot 10 on the sliding tube 13, so that the sliding tube 13 on the side armrest 8 can be slid and folded; and the setting of the spring 14, according to the elastic force, facilitates the automatic reset and clamping of the sliding pin 9 and the sliding card slot 10 when unfolding;

[0027] When the handle 3 rotates counterclockwise for folding, the control rope 6 will also pull the rotating pin 12. The rotating pin 12 moves out of the rotating card slot 11 and no longer limits the angle between the rotating tube 17 and the clamping tube 5, so that the clamping tube 5 and the rotating tube 17 can be rotated and folded; and the setting of the elastic cord 18, according to the elastic force, also facilitates the automatic reset and clamping of the rotating pin 12 and the rotating card slot 11 when unfolding;

[0028] At the same time, it drives the two places not to be limited and fixed, which is convenient for quick folding and use. And the limiting and fixing of the two places make the fixing structure of this baby carriage more stable

[0029] When the clamping tube 5 rotates, it will also drive the seat frame 21 to rotate and fold, and the first bracket 1 will also fold.

[0030] It should be understood that the above specific embodiments of the present invention are only used for exemplary illustration or explanation of the principle of the present invention, and do not constitute a limitation to the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made without departing from the spirit and scope of the present invention shall be included within the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundary of the appended claims, or equivalent forms of such scope and boundary.

Claims

1. A folding structure for a baby stroller, which comprises a first bracket (1), a second bracket (2), and a handle (3). The bottom end of the handle (3) is rotatably connected to a clamping tube (5) through a rotating joint (4), and is characterized in that: A control rope (6) is wound inside the rotating joint (4). The bottom end of the clamping pipe (5) is rotatably connected to the outside of the second bracket (2) through a rotating shaft (7). A side handrail (8) is slidably fitted on the outside of the clamping pipe (5), and the other end of the side handrail (8) is rotatably connected to the second bracket (2). A sliding pin (9) is arranged on the clamping pipe (5), and a sliding slot (10) that is clamped and matched with the sliding pin (9) is arranged at the side handrail (8). The sliding pin (9) is connected to the control rope (6), and the control rope (6) can drive the sliding pin (9) to disengage from the sliding slot (10). A rotating slot (11) corresponding to the clamping pipe (5) is formed on the outside of the rotating shaft (7). A rotating pin (12) that is clamped and matched with the rotating slot (11) is slidably connected to the clamping pipe (5). The rotating pin (12) is connected to the control rope (6), and the control rope (6) can drive the rotating pin (12) to disengage from the rotating slot (11).

2. The folding structure of a baby carriage according to claim 1, characterized in that: A sliding pipe (13) is rotatably connected to the side handrail (8). The sliding pipe (13) is slidably sleeved on the outside of the clamping pipe (5). The sliding slot (10) is arranged on the sliding pipe (13). The sliding pin (9) is slidably connected to the clamping pipe (5). The sliding pin (9) is connected to the inner wall of the clamping pipe (5) through a spring (14). A wire pulley (15) is arranged on one side of the spring (14). The wire pulley (15) is rotatably connected to the clamping pipe (5). The control rope (6) bypasses the wire pulley (15) and is fixedly connected to the sliding pin (9).

3. A folding structure of a baby carriage according to claim 1, characterized in that: An inclined pressing groove (16) is formed on the side handrail (8) at the sliding pin (9).

4. The folding structure of a baby carriage according to claim 1, characterized in that: The rotating shaft (7) is fixed to the second bracket (2). A rotating pipe (17) is rotatably sleeved on the outside of the fixed shaft. The rotating pipe (17) is fixedly connected to the clamping pipe (5). The outside of the rotating pin (12) is connected to the inner wall of the clamping pipe (5) through an elastic cord (18).

5. The folding structure of a baby carriage according to claim 1, wherein: The rotating joint (4) includes a rotating column (19). A rotating pipe (20) is rotatably sleeved on the outside of the rotating column. The control rope (6) is connected to the rotating pipe (20). While the rotating pipe (20) rotates on the outside of the rotating column (19), the control rope (6) is wound on the rotating column (19). The rotating column (19) is fixedly connected to the clamping pipe (5). The control rope (6) is arranged inside the clamping pipe (5). The rotating pipe (20) is fixedly connected to the handle (3).

6. The folding structure of a baby carriage according to claim 1, characterized in that: The bottom end of the clamping pipe (5) is rotatably connected to a seat frame (21), and the other end of the seat frame (21) is rotatably connected to the first bracket (1).

7. The folding structure of a baby carriage according to claim 1, wherein: The bottom end of the side handrail (8) is rotatably connected to the top end of the second bracket (2), and the top end of the second bracket (2) is rotatably connected to the top end of the first bracket (1).

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