CN214189775U - Baby stroller with reversible handle - Google Patents

Abstract

The utility model discloses a baby stroller with a reversible handle, which comprises a handle rod, a front foot rod, a rear foot rod, a front connecting rod, a rear connecting rod, a large joint and the like, wherein the large joint is mainly provided with a slide block and a locking block; meanwhile, the front foot rod, the large joint and the rear foot rod just form an outer triangle, the front connecting rod, the sliding block and the rear connecting rod just form an inner triangle, and the firmness and the stability of the structure can be better improved through the mutually matched double-triangle support. When the baby stroller is folded, the handle rod is downwards overturned around the large joint to be closed with the front foot rod or the rear foot rod, the front foot rod and the rear foot rod are both rotated around the large joint to be closed, and the front connecting rod and the rear connecting rod are both rotated around the sliding block to be closed, so that the folded baby stroller is compact in structure and can stand neatly. The improved baby stroller also has the use advantages of simple assembly, low production cost and the like.

Description

Baby stroller with reversible handle

Technical Field

The utility model relates to a baby stroller, in particular to a baby stroller with a reversible handle.

Background

At present, the baby stroller on the market has various structures and various operation modes, but basically comprises a handle rod, a front foot rod, a rear foot rod, a large joint and the like, wherein the lower end of the front foot rod is provided with a front wheel seat with a front wheel, the lower end of the rear foot rod is provided with a rear wheel seat with a rear wheel, and the lower end of the handle rod, the upper end of the front foot rod and the upper end of the rear foot rod are hinged on the large joint to form a folding structure. Meanwhile, in order to ensure the stability of the baby stroller when the baby stroller is unfolded for use, a plurality of connecting rods are usually added, the number of the connecting rods needs at least three so as to form a stable triangular support, but the excessive number of the connecting rods not only causes the appearance to be complicated and ugly, but also causes troublesome assembly and increases the production cost; moreover, the three connecting rods are used as independent triangular supports and are not matched with the front foot rod and the rear foot rod, which also causes poor structural firmness of the baby stroller. In addition, these multi-link strollers are not compact and tidy after being folded, and are difficult to stand.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art's defect and provide the baby's shallow that the hand (hold) can commutate that the appearance is succinct pleasing to the eye, sound construction stability, equipment are simple, low in production cost, can guarantee that compact structure is neat can stand after folding.

The technical problem of the utility model is realized through following technical scheme:

a baby stroller with a reversible handle comprises a handle rod, a front foot rod, a rear foot rod and a large joint; the lower end of the handle rod, the upper end of the front foot rod and the upper end of the rear foot rod are hinged on the large joint; the lower end of the front foot rod is provided with a front wheel seat with a front wheel, the lower end of the rear foot rod is provided with a rear wheel seat with a rear wheel, and the large joint is provided with a sliding block which is installed in a lifting and moving manner and a locking block which locks or unlocks the sliding block to move in a lifting and moving manner; one side of the front foot rod is provided with a front connecting rod, and one side of the rear foot rod is provided with a rear connecting rod; the upper ends of the front connecting rod and the rear connecting rod are coaxially hinged on the sliding block; the lower end of the front connecting rod is hinged on the front wheel seat, and the lower end of the rear connecting rod is hinged on the rear wheel seat.

The baby stroller is in an inverted Y-shaped unfolding state, the sliding block is locked by the locking block to move, the front foot rod, the large joint and the rear foot rod form an outer triangle, and the front connecting rod, the sliding block and the rear connecting rod form an inner triangle; when the baby stroller is in a folded state, the lock block unlocks the sliding block to move up and down, the handle rod turns downwards around the large joint to be closed with the front foot rod or the rear foot rod, the front foot rod and the rear foot rod rotate around the large joint to be closed, and the front connecting rod and the rear connecting rod rotate around the sliding block to be closed.

The handle bar is controlled by the reversing lock to rotate around the large joint in a reversing way and be positioned above the front wheel or the rear wheel or right above the baby stroller, and the handle bar is controlled by the folding lock to rotate around the large joint and close the front foot bar or the rear foot bar.

The upper end of the handle rod is provided with a handrail rod which is installed in a hinged mode, the handrail rod is turned downwards and folded on the handle rod, the folding lock is unlocked synchronously, the handle rod rotates around a large joint to fold a front foot rod or a rear foot rod, and the locking block is unlocked synchronously.

The handle rod is provided with a reversing pull sleeve, and the reversing pull sleeve can slide up and down along the handle rod to control the locking or unlocking of the reversing lock.

The large joint is provided with a slide rail with the axis vertical to the horizontal plane, and the slide block is arranged on the slide rail in a lifting and moving way; the locking block is arranged on the sliding rail in a telescopic mode, extends out of the sliding rail to lock the sliding block to move up and down on the sliding rail, and retracts into the sliding rail to unlock the sliding block to move up and down on the sliding rail.

The baby stroller is in an inverted Y-shaped unfolding state, and the sliding block slides to the bottom end of the sliding rail and is locked by the locking block; when the baby stroller is in a folded state, the sliding block is unlocked by the locking block and moves upwards along the sliding rail.

The large joint is provided with an arc-shaped groove, and the circle center of the arc-shaped groove is concentric with the hinged joint of the lower end of the handle rod on the large joint; the arc-shaped groove limits the rotation stroke of the lower end of the handle rod which rotates around the large joint in a reversing way; the folding lock locks the handle rod to rotate in the arc-shaped groove in a reversing way or unlocks the handle rod to be separated from the arc-shaped groove, and the handle rod rotates around the large joint to close the front foot rod or the rear foot rod.

The handle rod rotates around the large joint in a reversing way and is positioned above the front wheel, the front wheel is positioned, and the rear wheel rotates in a universal way; the handle rod rotates around the large joint in a reversing way and is positioned above the rear wheel, the rear wheel is positioned, and the front wheel rotates in a universal way; the handle rod rotates around the large joint in a reversing way and is positioned right above the baby stroller, and the front wheel and the rear wheel both rotate in a universal way; the stroller is in a collapsed position with the front and rear wheels positioned.

The baby stroller is characterized in that handle rods, large joints, front foot rods, front connecting rods, front wheel seats, front wheels, rear foot rods, rear connecting rods, rear wheel seats and rear wheels which are identical in structure are arranged on two sides of the baby stroller respectively, the connected joint rods are arranged between the two large joints, a connected front cross rod is arranged between the two front wheel seats, and a connected rear cross rod is arranged between the two rear wheel seats.

Compared with the prior art, the utility model is mainly provided with a slide block which is installed in a lifting and moving way and a locking block which locks or unlocks the slide block to move in a lifting and moving way on the big joint; a front connecting rod is arranged on one side of the front foot rod, a rear connecting rod is arranged on one side of the rear foot rod, the upper end of the front connecting rod and the upper end of the rear connecting rod are coaxially hinged on the sliding block, the lower end of the front connecting rod is hinged on the front wheel seat, and the lower end of the rear connecting rod is hinged on the rear wheel seat; therefore, the stability of the baby stroller can be improved by only two connecting rods when the baby stroller is unfolded for use, and the appearance is more concise and beautiful; meanwhile, the baby stroller in the unfolding state is locked by the locking block along with the movement of the sliding block, the front foot rod, the large joint and the rear foot rod just form an outer triangle, and the front connecting rod, the sliding block and the rear connecting rod just form an inner triangle, so that the firmness and the stability of the structure can be better improved by the mutually matched double-triangular support. When the baby stroller is folded, the handle rod can turn downwards around the large joint to be folded with the front foot rod or the rear foot rod along with the lifting movement of the locking block unlocking sliding block, the front foot rod and the rear foot rod can rotate around the large joint to be folded, and the front connecting rod and the rear connecting rod can rotate around the sliding block to be folded, so that the folded baby stroller is compact in structure and can stand neatly. The improved baby stroller also has the use advantages of simple assembly, low production cost and the like.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded perspective view of fig. 1.

Fig. 3 is a schematic view of the structure of the handle bar being positioned above the front wheel by reversing rotation.

Fig. 4 is a schematic structural view of the handle bar being positioned directly above the stroller in a reversing rotation.

FIG. 5 is a schematic view of the handle bar being positioned above the rear wheel in a reversed rotation.

Fig. 6 is a schematic structural view of the handle bar being positioned above the rear wheel in a reversing rotation manner, and the grab bar being folded and gathered relative to the handle bar.

Fig. 7 is a schematic structural view of the handle bar of fig. 6 turned downward around the large joint and folded together with the front foot bar.

Fig. 8 is a schematic structural view of the locking block in fig. 7, wherein the locking block is unlocked, the front and rear foot rods are closed, and the front and rear connecting rods are closed.

Fig. 9 is a schematic view of the stroller shown in a collapsed configuration.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the drawings.

As shown in fig. 1 to 9, 1 is a handle bar, 11 is a reversing pull sleeve, 2 is a front foot bar, 3 is a rear foot bar, 4 is a large joint, 41 is a slide rail, 42 is a locking block, 43 is a slide block, 44 is a joint bar, 45 is an arc groove, 5 is a front connecting rod, 6 is a rear connecting rod, 7 is a front wheel seat, 71 is a front wheel, 72 is a front cross bar, 8 is a rear wheel seat, 81 is a rear wheel, 82 is a rear cross bar, and 9 is a handrail bar.

A baby stroller with a reversible handle is mainly used for parents to take a baby out conveniently for the baby to take and push as shown in figures 1 and 2, and is structurally composed of a handle rod 1, a front foot rod 2, a rear foot rod 3, a front connecting rod 5, a rear connecting rod 6, a large joint 4 and the like.

The baby stroller comprises a stroller body, a handle rod 1, a large joint 4, a front foot rod 2, a front connecting rod 5, a rear foot rod 3 and a rear connecting rod 6, wherein the two sides of the stroller body are respectively provided with the handle rod 1, the large joint 4, the front foot rod 2, the front connecting rod 5, the rear foot rod 3 and the rear connecting rod 6 which are completely identical in structure, namely the handle rod 1, the front foot rod 2, the front connecting rod 5, the rear foot rod 3 and the rear connecting rod 6 are respectively provided with two parts which are parallel to each other at the left side and the right side and are symmetrical in position, and the large joint 4 is provided with the left part and the right part and is positioned on the same horizontal line; and, a joint rod 44 is provided between the two major joints 4 to be connected and fixed, that is, the two major joints 4 are formed as an integral component by the joint rod 44.

Since the two sides of the stroller are of the same structure, the present embodiment will be described in detail with reference to the structure of one side of the stroller.

The lower end of the handle rod 1, the upper end of the front foot rod 2 and the upper end of the rear foot rod 3 are all hinged on the large joint 4, specifically, the lower end of the handle rod 1 is hinged in the middle of the large joint 4, the upper end of the front foot rod 2 is hinged in the front of the large joint 4, and the upper end of the rear foot rod 3 is hinged in the rear of the large joint 4; the lower end of the front foot rod 1 is provided with a front wheel seat 7 with a front wheel 71, and a front cross rod 72 which is connected and fixed is arranged between the two front wheel seats 7, namely the two front wheel seats 7 form an integral part through the front cross rod 72; the lower end of the rear foot bar 3 is provided with a rear wheel seat 8 with a rear wheel 81, and a rear cross bar 82 connected and fixed is arranged between the two rear wheel seats 8, namely the two rear wheel seats 8 also form an integral component through the rear cross bar 82.

The inner side surface of the large joint 4 is provided with a sliding block 43 which is installed in a lifting and moving way and a locking block 42 which locks or unlocks the sliding block to move in a lifting and moving way, and the concrete structure is as follows: the big joint 4 is provided with a slide rail 41 with the axis vertical to the horizontal plane, the slide block 43 is installed on the slide rail 41 in a lifting and moving way, and the locking block 42 is elastically and telescopically arranged on the slide rail 41. When the lock 42 extends out of the slide rail 41, the slide block 43 can be locked, and the slide block cannot move up and down on the slide rail 41, and when the lock 42 retracts into the slide rail 41, the slide block 43 can be unlocked, and the slide block can freely move up and down on the slide rail 41.

The front connecting rod 5 is adjacently arranged below the front foot rod 2, the rear connecting rod 6 is adjacently arranged below the rear foot rod 3, the upper end of the front connecting rod 5 and the upper end of the rear connecting rod 6 are coaxially hinged on the sliding block 43, the lower end of the front connecting rod 5 is hinged on the front wheel seat 7, specifically on the front cross rod 72 adjacent to the front wheel seat, and the lower end of the rear connecting rod 6 is hinged on the rear wheel seat 8, specifically on the rear cross rod 82 adjacent to the rear wheel seat.

Therefore, when the stroller is in the unfolded state and the whole shape is inverted Y-shaped, the sliding block 43 is locked by the locking block 42, usually the sliding block 43 slides to the bottom end of the sliding rail 41 and is locked by the locking block 42, at this time, the front foot bar 2, the large joint 4 and the rear foot bar 3 just form an outer triangle, the front connecting rod 5, the sliding block 43 and the rear connecting rod 6 just form an inner triangle, that is, the whole stroller just forms a double-triangle support which is matched with each other, so that the firmness and stability of the stroller structure are improved better.

When the baby stroller is folded, the locking block 42 can unlock the sliding block 43 to move up and down, that is, the sliding block 43 can move up and down freely along the sliding rail 41, at the moment, the handle bar 1 can turn downwards around the large joint 4 and be folded with the front foot bar 2 or the rear foot bar 3, the front foot bar 2 and the rear foot bar 3 can rotate around the large joint 4 and be folded, and the front connecting rod 5 and the rear connecting rod 6 can rotate around the sliding block 43 and be folded, so that the folded baby stroller is compact in structure and can stand neatly.

Simultaneously, the handle pole 1 can also carry out the operation of switching-over action relatively big joint 4, specifically is: the handle rod 1 is provided with a reversing pull sleeve 11, a reversing lock (not shown) is arranged between the lower end of the handle rod 1 and the large joint 4, and when the reversing pull sleeve 11 slides up and down along the handle rod 1, the locking or unlocking of the reversing lock is controlled, namely, the handle rod 1 is controlled to rotate around the large joint 4 in a reversing way and is positioned above the front wheel 71 or above the rear wheel 81 or above the baby stroller as shown in fig. 3-5.

The folding action of the stroller can be locked or unlocked by the lock block 42, and a folding lock (not shown) is arranged between the lower end of the handle rod 1 and the large joint 4, and can be used for controlling the handle rod 1 to rotate around the large joint 4 to close the front foot rod 2 or the rear foot rod 3.

The specific action process is as follows: the upper end of the handle rod 1 is provided with the grab rail 9 which is installed in a hinged mode, namely, the two ends of the grab rail 9 which is in an inverted U shape are respectively hinged with the upper ends of the two handle rods 1, and when the grab rail 9 is turned downwards and is closed to the handle rod 1, the folding lock can be unlocked.

In addition, the large joint 4 is also provided with an arc-shaped groove 45 for facilitating the matching of the reversing action and the folding action of the handle rod 1, and the circle center of the arc-shaped groove 45 is just concentric with the hinged point of the lower end of the handle rod 1 on the large joint 4. When the reversing operation is performed, the arc-shaped groove 45 can be used for limiting the rotation stroke of the lower end of the handle rod 1 in reversing rotation around the large joint 4, namely the reversing rotation stroke of the handle rod 1 is limited by the radian of the arc-shaped groove 45 and can only perform reversing rotation back and forth within the angle limited by the arc-shaped groove 45.

When the folding operation is carried out, the handle rod 1 can be locked by the folding lock to perform reversing rotation in the arc-shaped groove 45, or the handle rod 1 can be unlocked to be separated from the arc-shaped groove 45, so that the handle rod 1 can rotate around the large joint 4 to close the front foot rod 2 or the rear foot rod 3, namely when the folding lock is in a locking state, the rotation of the handle rod 1 around the large joint 4 can only be limited within the radian stroke of the arc-shaped groove 45; when the folding lock is in an unlocking state, the rotation of the handle rod 1 around the large joint 4 breaks through the radian stroke limitation of the arc-shaped groove 45, and the rotation at a larger angle is carried out, so that the folding operation of the handle rod 1 is facilitated.

When the handle bar 1 rotates around the large joint 4 in a reversing way and is positioned above the front wheel 71, the front wheel is positioned and the rear wheel 81 rotates in a universal way; when the handle bar 1 rotates around the large joint 4 in a reversing way and is positioned above the rear wheel 81, the rear wheel is positioned and the front wheel 71 rotates in a universal way; when the handle rod 1 rotates around the large joint 4 in a reversing way and is positioned right above the baby stroller, the front wheel and the rear wheel both rotate in a universal way; when the stroller is in the fully collapsed position, both the front and rear wheels are positioned.

The utility model discloses as shown in fig. 6~ 9, the baby's shallow of location to front wheel 71 top is rotated in the switching-over through handle bar 1 is described for the example concrete operating procedure that carries on the frame folding again, at first turn over the relative handle bar 1 of handrail 9 downwards and draw together, and unblock folding lock in step, this folding lock is controlled the handle bar again and is rotated around big joint 4 and draw together preceding foot bar 2, and unblock locking piece 42 in step, so that slider 43 can the lifting movement, only need upwards mention articulated rod 44 this moment, under the dead weight effect of front wheel 71 and rear wheel 81, just can make preceding foot bar 2 and back foot bar 3 all rotate around big joint 4 and draw together, and preceding connecting rod 5 and back connecting rod 6 all rotate around slider 43 and draw together, the complete folding of baby's shallow has finally been realized.

The above description is only an embodiment of the present invention, and those skilled in the art should understand that any structural design similar to the embodiment is included in the protection scope of the present invention.

Claims (10)

1. A baby stroller with a reversible handle comprises a handle rod (1), a front foot rod (2), a rear foot rod (3) and a large joint (4); the lower end of the handle rod (1), the upper end of the front foot rod (2) and the upper end of the rear foot rod (3) are hinged on the large joint (4); the lower end of the front foot rod (2) is provided with a front wheel seat (7) with a front wheel (71), the lower end of the rear foot rod (3) is provided with a rear wheel seat (8) with a rear wheel (81), and the front foot rod is characterized in that the large joint (4) is provided with a sliding block (43) which is installed in a lifting and moving way and a locking block (42) which locks or unlocks the sliding block to move in a lifting and moving way; a front connecting rod (5) is arranged on one side of the front foot rod (2), and a rear connecting rod (6) is arranged on one side of the rear foot rod (3); the upper ends of the front connecting rod (5) and the rear connecting rod (6) are coaxially hinged on the sliding block (43); the lower end of the front connecting rod (5) is hinged on the front wheel seat (7), and the lower end of the rear connecting rod (6) is hinged on the rear wheel seat (8).

2. The stroller of claim 1, wherein the handle bar (43) is locked by the lock (42) and the front leg bar (2), the large joint (4) and the rear leg bar (3) form an outer triangle, and the front link (5), the slide (43) and the rear link (6) form an inner triangle; the baby stroller is in a folded state, the lock block (42) unlocks the sliding block (43) to move up and down, the handle rod (1) is downwards overturned around the large joint (4) to be folded with the front foot rod (2) or the rear foot rod (3), the front foot rod (2) and the rear foot rod (3) are both rotated around the large joint (4) to be folded, and the front connecting rod (5) and the rear connecting rod (6) are both rotated around the sliding block (43) to be folded.

3. The stroller with a reversible handlebar as claimed in claim 2, wherein a reversing lock and a folding lock are arranged between the lower end of the handle bar (1) and the large joint (4), the reversing lock controls the handle bar (1) to rotate around the large joint (4) in a reversing manner and to be positioned above the front wheel (71) or above the rear wheel (81) or above the stroller, and the folding lock controls the handle bar (1) to rotate around the large joint (4) and to close the front foot bar (2) or the rear foot bar (3).

4. A stroller with reversible handlebar according to claim 3, characterized in that said handlebar (1) is provided at its upper end with a pivotally mounted grab bar (9) which is folded down onto the handlebar (1) and which simultaneously unlocks the fold locks which in turn control the handlebar to rotate around the large joint (4) to fold the front leg (2) or the rear leg (3) and simultaneously unlock said locking blocks (42).

5. A stroller with reversible handlebar as claimed in claim 3, wherein said handlebar (1) is provided with a reversing sleeve (11) which slides up and down along the handlebar (1) to control the locking or unlocking of the reversing lock.

6. The stroller of claim 2, wherein the large joint (4) is provided with a slide rail (41) with an axis perpendicular to the horizontal plane, and the slide block (43) is mounted on the slide rail (41) in a lifting and moving manner; the locking block (42) is arranged on the sliding rail (41) in a telescopic mode, the locking block (42) extends out of the sliding rail (41) to lock the sliding block (43) to move up and down on the sliding rail (41), and the locking block retracts into the sliding rail (41) to unlock the sliding block (43) to move up and down on the sliding rail (41).

7. The stroller of claim 6, wherein said stroller is in an inverted-Y deployed state, said slider (43) slides to the bottom of said track (41) and is locked by said lock (42); when the baby stroller is in a folded state, the locking block (42) unlocks the sliding block (43), and the sliding block moves upwards along the sliding rail (41).

8. The stroller of claim 3, wherein the large joint (4) is provided with an arc-shaped groove (45), the center of which is concentric with the hinge point of the lower end of the handle bar (1) on the large joint (4); the arc-shaped groove (45) limits the rotation stroke of the lower end of the handle rod (1) to perform reversing rotation around the large joint (4); the folding lock locks the handle rod (1) to rotate in a reversing way in the arc-shaped groove (45) or unlocks the handle rod (1) to be separated from the arc-shaped groove (45), and the handle rod (1) rotates around the large joint (4) to close the front foot rod (2) or the rear foot rod (3).

9. A stroller with reversible handlebar as claimed in claim 3, characterized in that said handlebar (1) is positioned above the front wheel (71) positioned to rotate in a universal direction around the large joint (4) and the rear wheel (81); the handle rod (1) rotates around the large joint (4) in a reversing way and is positioned above a rear wheel (81), the rear wheel is positioned, and the front wheel (71) rotates in a universal way; the handle rod (1) rotates around the large joint (4) in a reversing way and is positioned right above the baby stroller, and the front wheel and the rear wheel both rotate in a universal way; the stroller is in a collapsed position with the front and rear wheels positioned.

10. The stroller of claim 1, wherein the stroller is provided with a handle bar (1), a large joint (4), a front leg bar (2), a front link (5), a front wheel seat (7), a front wheel (71), a rear leg bar (3), a rear link (6), a rear wheel seat (8), and a rear wheel (81) having the same structure on both sides, and a joint bar (44) is provided between the two large joints (4), a front cross bar (72) is provided between the two front wheel seats (7), and a rear cross bar (82) is provided between the two rear wheel seats (8).

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