CN219447101U - Joint connection structure on baby handcart - Google Patents

Abstract

The utility model discloses a joint connection structure on a baby handcart, which comprises a folding knob, a pushing part, a connecting part, a front wheel structure and a rear wheel structure, wherein a safety buckle is arranged on the folding knob, two ends of the folding knob are sleeved with a connecting rod I, an unlocking plug-in is arranged in the connecting rod I, a protective sleeve is arranged on the outer side of the connecting rod I, the protective sleeve and the front wheel structure are respectively buckled with two sides of the connecting part, the connecting part and the rear wheel structure are supported by a support frame, a groove I and a groove II are arranged on the connecting part, a rotating structural part is arranged in the connecting part, the rotating structural part can move between the groove I and the groove II, a sliding block and a limiting block are arranged on the rotating structural part, two ends of the limiting block are arc-shaped curved surfaces, the limiting block can slide on the groove II, a right-angle groove is arranged on the sliding block, a pushing rod is arranged on the pushing part, a pin rod is arranged on the pushing rod, and the pin rod is propped against the right-angle groove.

Description

Joint connection structure on baby handcart

Technical Field

The present utility model relates to a connection part, and more particularly, to a joint connection structure of a stroller.

Background

The baby trolley only has the advantages that the development time is short in China, the defects are more, most of the baby trolleys occupy large space and are difficult to fold, great inconvenience is caused to daily life of people, the folding modes are complex although the baby trolleys can be folded, the folding of the baby trolleys can be realized only by the combined action of a plurality of safety buckles, the folding parts of the baby trolleys are simple in structure, the folding is inflexible, and the joint parts of the baby trolleys are easy to damage when the baby trolleys are folded.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the joint connection structure on the baby handcart, which has flexible folding parts and simple and convenient folding.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a joint connection structure on baby's handcart, includes folding knob, promotes position, connecting portion, front wheel structure and rear wheel structure, folding knob on be equipped with the insurance knot, folding knob both ends have cup jointed connecting rod one, connecting rod one inside is equipped with the unblock plug-in components, the outside is equipped with the protective sheath, protective sheath and front wheel structure lock joint respectively in connecting portion both sides, connecting portion and rear wheel structure support through the support frame, be equipped with recess one on the connecting portion, the inside rotating-structure part that is equipped with of connecting portion, rotating-structure part can follow between recess one and the recess two and remove, rotating-structure part is equipped with slider and stopper, stopper both ends are the arc curved surface, the stopper can slide on recess two, be equipped with the right-angle groove on the slider, be equipped with the pin pole on the pushing portion, pin pole supports on the right-angle groove, rotating-structure part one end is fixed in connecting portion inside through the spring.

Preferably, an arc groove I and an arc groove II are arranged between the groove I and the groove II, one end of the support frame can move in the arc groove I, and the other end of the support frame is fixedly connected with the rear wheel structure.

Preferably, the groove depth of the first arc-shaped groove is deepened in a clockwise direction, and the groove depth of the second arc-shaped groove is deepened in a counterclockwise direction.

Preferably, the front wheel structure is internally provided with a second connecting rod, one end of the second connecting rod is positioned in the connecting part and can slide on the second arc-shaped groove, the other end of the second connecting rod is rotatably connected in the front wheel structure, the outer side of the front wheel structure is provided with a limiting groove, and one end of the rear wheel structure is movably connected in the limiting groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. the grooves and the arc grooves in the connecting parts enable all parts of the baby handcart to be combined together more flexibly, the supporting frame and the second connecting rod are embedded into the arc grooves in the connecting parts, folding of the front wheel structure and the rear wheel structure can be achieved, and meanwhile the supporting frame and the second connecting rod are limited;

2. the folding knob is impacted with the pushing part to unlock, so that the baby handcart can be folded more quickly, and when the safety buckle is not opened, the rotating structural part in the connecting part is embedded in the first groove and can be used for fixing the connecting part to ensure the safety of the safety seat;

3. the front wheel structure is provided with the limit groove, the rear wheel structure is embedded on the limit groove, the rear wheel structure can realize the movement of a certain position, and the support frame is parallel to the rear wheel structure when the baby handcart is folded, so that the occupied space for folding the baby handcart is smaller.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the connecting part and the pushing part of the present utility model;

FIG. 3 is a schematic view of the rotating structure components of the present utility model;

FIG. 4 is a schematic diagram of an unlocking latch according to the present utility model;

FIG. 5 is a schematic view of a second embodiment of the connecting rod of the present utility model.

Detailed Description

As shown in fig. 1-5, a joint connection structure on a baby stroller comprises a folding knob 1, a pushing part 2, a connecting part 3, a front wheel structure 4 and a rear wheel structure 5, wherein a safety catch 6 is arranged on the folding knob 1, a connecting rod 7 is sleeved at two ends of the folding knob 1, an unlocking plug-in 8 is arranged in the connecting rod 7, a protective sleeve 9 is arranged on the outer side of the connecting rod, the protective sleeve 9 and the front wheel structure 4 are respectively buckled at two sides of the connecting part 3, the connecting part 3 and the rear wheel structure 5 are supported by a supporting frame 10, a groove I11 and a groove II 12 are arranged on the connecting part 3, a rotating structural part 13 is arranged in the connecting part 3, the rotating structural part 13 can move between the groove I11 and the groove II 12, a sliding block 14 and a limiting block 15 are arranged on the rotating structural part 13, the two ends of the limiting block 15 are arc-shaped curved surfaces, the limiting block 15 can slide on the groove II 12, a right-angle groove 16 is arranged on the sliding block, a pin 18 is arranged on the pushing part 2, the pin 18 is abutted on the right-angle groove 16, and one end of the rotating structural part 13 is fixed in the connecting part by a spring; an arc groove I19 and an arc groove II 20 are arranged between the groove I11 and the groove II 12, one end of the support frame 10 can move in the arc groove I19, and the other end is fixedly and rotatably connected with the rear wheel structure 5; the groove depth of the arc-shaped groove I19 is deepened in the clockwise direction, and the groove depth of the arc-shaped groove II 20 is deepened in the counterclockwise direction. The inside connecting rod two 21 that is equipped with of front wheel structure 4, connecting rod two 21 one end is located inside the junction, can slide on arc groove two 20, and the other end fixed connection is inside front wheel structure 4, and the outside of front wheel structure 4 is equipped with spacing groove 22, and rear wheel structure 5 one end is movable to be connected in spacing groove 22.

The safety buckle 6 can drive the stay wire to move the locking piece out of the lock hole on the first connecting rod 7, the unlocking plug-in unit 8 has a supporting function when not unlocked, and can be used as a medium for impacting and unlocking after unlocking, and the impact pushing part 2 enables the pushing part 2 to impact the rotating structural part 13; the benefit of gradually deepening the grooves of the arc-shaped groove I19 and the arc-shaped groove II 20 is that the support frame 10 and the connecting rod II can be limited, and the rear wheel structure 5 can move in a certain range on the limiting groove 22, so that the rear wheel structure 5 and the front wheel structure 4 can be well attached and simultaneously have a limiting effect when the baby stroller is folded.

When the trolley is folded, the unlocking mechanism on the first connecting rod 7 is unlocked by pressing the safety catch 6, the safety catch 6 drives the locking piece to move out of the locking hole on the first connecting rod 7, so that the first connecting rod 7 moves on the protective sleeve 9 to strike the unlocking plug-in 8 to unlock the unlocking plug-in 8, the unlocking plug-in 8 pushes the pushing part 2, the pin 18 on the pushing part 2 strikes the rotating structural part 13, and the rotating structural part 13 moves from the first groove 11 to the second groove 12 to unlock the connecting part 3.

The folding knob 1 is pressed downwards by taking the connecting part 3 as the center, the rear foot part 5 is embedded in the limiting groove 22, when the baby stroller is folded, the rear foot part 5 moves in the limiting groove 22, meanwhile, the support frame 10 and the connecting rod two 21 move on the arc-shaped groove one 19 and the arc-shaped groove two 20 at the same time, and the front foot part 4, the rear foot part 5 and the folding knob 1 can be folded.

The embodiments described herein are merely illustrative of the principles of the present utility model, and various modifications or additions may be made to the described embodiments by those skilled in the art without departing from the spirit of the utility model or beyond the scope of the appended claims.

Claims (4)

1. The utility model provides a joint connection structure on baby's handcart, includes folding knob (1), promote position (2), connecting portion (3), front wheel structure (4) and rear wheel structure (5), its characterized in that, folding knob (1) on be equipped with safety catch (6), connecting rod one (7) have been cup jointed at folding knob (1) both ends, connecting rod one (7) inside is equipped with unblock plug-in components (8), the outside is equipped with protective sheath (9), protective sheath (9) and front wheel structure (4) lock joint respectively are in connecting portion (3) both sides, connecting portion (3) and rear wheel structure (5) support through support frame (10), be equipped with recess one (11) on connecting portion (3), recess two (12), connecting portion (3) inside are equipped with rotation structure part (13), rotation structure part (13) can be moved between recess one (11) and recess two (12), be equipped with slider (14) and stopper (15) on rotation structure part (13), stopper (15) both ends are the arc curved surface, stopper (15) can slide on recess two (12), be equipped with on the slider and promote right angle round pin (16) on the connecting portion (16) and be equipped with right angle pin (18) on the straight bar (18), one end of the rotating structural component (13) is fixed in the connecting part through a spring.

2. The articulated structure of the stroller of claim 1, wherein an arc-shaped groove one (19) and an arc-shaped groove two (20) are arranged between the groove one (11) and the groove two (12), one end of the supporting frame (10) can move in the arc-shaped groove one (19), and the other end can be rotatably connected with the rear wheel structure (5).

3. The articulating mechanism of a stroller as defined in claim 2 wherein the first arcuate slot (19) has a greater depth in a clockwise direction and the second arcuate slot (20) has a greater depth in a counterclockwise direction.

4. The joint connection structure on a baby stroller according to claim 1, wherein the front wheel structure (4) is internally provided with a second connecting rod (21), one end of the second connecting rod (21) is positioned in the connecting part (3) and can slide on the second arc-shaped groove (20), the other end of the second connecting rod is fixedly connected in the front wheel structure (4), the outer side of the front wheel structure (4) is provided with a limit groove (22), and one end of the rear wheel structure (5) is movably connected in the limit groove (22).