CN212243510U - stroller - Google Patents

Abstract

The utility model discloses a children's stroller. The stroller frame at least comprises a front bracket with a front wheel assembly at the bottom, a rear bracket with a rear wheel assembly at the bottom, and a push rod. The front bracket, the rear bracket and the The push rods are rotatably connected to each other, and a telescopic belt is also connected between the front bracket and the rear bracket for driving the two to make approaching movements in the front and rear directions, and the cart frame is converted from the unfolded state to the folded state When the telescopic belt is shortened, the front bracket and the rear bracket are retracted along the front-rear direction. When folding the cart frame, it is only necessary to unlock the locking mechanism, and then, under the force of the telescopic belt, the front bracket and the rear bracket make an approaching motion in the front-rear direction and gradually fold, so that the frame is automatically folded, so that the user can After the cart frame is unlocked, the cart frame can be automatically folded, which brings great convenience to the user's daily use.

Description

stroller

technical field

The utility model relates to a children's stroller, in particular to a children's stroller that can be automatically folded.

Background technique

In the prior art, there are various structures of children's strollers. Most of the stroller frames adopt a foldable structure to facilitate users to carry and store them. The stroller frame usually includes a front bracket, a rear bracket and a When the push rod needs to be folded, it is necessary to manually drive the front bracket, the rear bracket and the push rod to rotate relative to each other after the locking mechanism is unlocked to realize the folding of the stroller frame. Easy to do, the folding operation is not very convenient.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a children's stroller that can be automatically folded.

In order to achieve the above purpose, the technical solution adopted by the present invention is: a child stroller, comprising a stroller frame having an unfolded state and a folded state, a front wheel assembly arranged at the bottom front of the stroller frame, a A rear wheel assembly at the bottom and rear of the cart frame, and a locking mechanism for locking the cart frame in the unfolded state, the cart frame at least includes the front wheel assembly at the bottom The front bracket and the bottom are provided with the rear bracket of the rear wheel assembly, and the push rod. The front bracket, the rear bracket and the push rod are rotatably connected to each other. When the cart frame is in a folded state, the front The bracket, the rear bracket and the push rod are relatively folded in the front-rear direction, and a telescopic belt is also connected between the front bracket and the rear bracket for driving the two to approach movement in the front-rear direction. When the frame is converted from the unfolded state to the folded state, the telescopic belt shortens and drives the front bracket and the rear bracket to fold in the front-rear direction.

Preferably, the upper part of the front bracket is rotatably connected to the lower part of the push rod, the upper part of the rear bracket is rotatably connected to the push rod, and the cart frame further includes a rotatable connection to the push rod. A connecting rod between the front bracket and the rear bracket, when the cart frame is in a folded state, the front bracket, the rear bracket, the connecting rod and the push rod are folded together, and the push rod is folded in the rear the rear side of the bracket.

Further, when the cart frame is converted from the unfolded state to the folded state, the push rod is automatically turned toward the rear side of the rear bracket.

Further, the locking mechanism includes a frame locking member disposed between the rear bracket and the push rod for locking the two.

Further, the push rod includes a lower push rod and an upper push rod that are rotatably connected to each other, and a push rod locking piece for locking the upper push rod and the lower push rod relative to each other, and the push rod locking piece is connected to the push rod locking piece. The frame locking piece is arranged to be linked and unlocked, and the upper part of the upper push rod is further provided with an unlocking operation piece for unlocking the push rod locking piece.

Further, the telescopic belt is arranged below the connecting rod.

Preferably, the front support has two sets of front support rods that are arranged on the left and right sides and both extend in the up-down direction, and the rear support has two sets of rear support rods that are arranged on the left and right sides and both extend in the up-down direction. On the left and right sides of the cart frame, the telescopic belt is provided between the front support rod and the rear support rod.

Preferably, the front struts on both sides are integrally provided with a U-shaped rod with an upward opening, and the front wheel assemblies are one set and are arranged at the bottom of the U-shaped rod; there are two sets between the rear wheels and are respectively arranged at the bottom of the two rear support rods. When the cart is in a folded state, the front wheel assembly is folded between the two rear wheel assemblies.

Preferably, the telescopic belt is an elastic telescopic belt, one end of the telescopic belt is fixed on the front bracket, and the other end of the telescopic belt is fixed on the rear bracket.

Preferably, when the cart frame is in a folded state, the cart frame is independent on the ground by means of the front wheel assembly and the rear wheel assembly.

Preferably, the telescopic belt is a basket belt.

In order to achieve the above purpose, another technical solution adopted by the present invention is: a children's stroller, comprising a stroller frame having an unfolded state and a folded state, and a front wheel assembly disposed at the bottom front of the stroller frame , a rear wheel assembly provided at the bottom rear of the cart frame, and a locking mechanism for locking the cart frame in the unfolded state, the cart frame at least includes a bottom provided with the front The front bracket and the bottom of the wheel assembly are provided with the rear bracket of the rear wheel assembly, and a push rod. The front bracket, the rear bracket and the push rod are connected to each other in a rotatable manner. When the cart frame is in a folded state, all the The front bracket, the rear bracket and the push rod are relatively folded in the front-rear direction, the upper part of the front bracket is rotatably connected with the lower part of the push rod, and the upper part of the rear bracket is rotatably connected to the push rod A connecting rod is also rotatably connected between the front bracket and the rear bracket, and a basket is also connected between the front bracket and the rear bracket. The front bracket and the rear bracket make an approaching movement along the front-rear direction. The stand is folded in the front-to-rear direction.

Due to the application of the above technical solutions, the present utility model has the following advantages compared with the prior art: the stroller of the present utility model, wherein by arranging a telescopic belt between the front support and the rear support, after the locking mechanism is unlocked, the front support With the further help of the telescopic belt, the rear bracket and the rear bracket make an approaching motion in the front and rear directions and gradually fold, so that the frame is automatically folded, so that the user can wait for the automatic folding of the stroller frame after unlocking it. It brings great convenience to users' daily use.

Description of drawings

Accompanying drawing 1 is the perspective view of the children's stroller of the present invention in the unfolded state;

Accompanying drawing 2 is the side view of the baby stroller of the present utility model in the unfolded state;

Accompanying drawing 3 is the side view during the folding process of push rod in the stroller of the present invention;

Accompanying drawing 4 is the side view after the push rod is folded in the stroller of the present utility model;

Accompanying drawing 5 is the side view during the folding process of the stroller of the utility model;

6 is a side view of the stroller of the present invention in a folded state;

Among them: 1. Front bracket; 11. Front strut; 10. Front wheel assembly;

2. Rear bracket; 21. Rear strut; 22. Rear cross bar; 20. Rear wheel assembly;

3, push rod; 31, lower push rod; 32, upper push rod; 33, push rod locking piece;

4. Connecting rod; 5. Telescopic belt; 6. Frame locking piece; 7. Unlocking operating piece.

Detailed ways

The technical solutions of the present utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

Referring to the child stroller shown in FIGS. 1 to 6 , it includes a stroller frame having an unfolded state and a folded state, a front wheel assembly 10 provided at the bottom front of the stroller frame, and a bottom rear part of the stroller frame. The rear wheel assembly 20, and a locking mechanism for locking the cart frame in the deployed state.

The cart frame at least includes a front support 1 with a front wheel assembly 10 at the bottom, a rear support 2 with a rear wheel assembly 20 at the bottom, and a push rod 3. The front support 1, the rear support 2 and the push rod 3 are mutually Connected in a relative rotation, when the cart frame is in a folded state, the front bracket 1 , the rear bracket 2 and the push rod 3 are relatively folded together in the front and rear directions. Among them, the front bracket 1 and the rear bracket 2 are also connected with a telescopic belt 5 for driving the two to approach movement in the front-rear direction. The belt 5 shortens and drives the front bracket 1 and the rear bracket 2 to fold in the front-rear direction, so that the cart frame is automatically folded.

Referring to the drawings, in this embodiment, the upper part of the front bracket 1 is rotatably connected to the lower part of the push rod 3, the upper part of the rear bracket 2 is rotatably connected to the push rod 3, and the cart frame also includes a rotatable connection The connecting rod 4 between the front bracket 1 and the rear bracket 2 .

More specifically, the front bracket 1 includes two front support rods 11 which are respectively arranged on the left and right sides and both extend in the up-down direction. There is one group and is installed at the bottom of the above-mentioned U-shaped rod; the rear bracket 2 includes two rear struts 21 that are respectively arranged on the left and right sides and extend along the up-down direction, and a rear cross bar that is fixed between the rear struts 21 on both sides. There are two groups of rods 22 and rear wheel assemblies 20 and are respectively installed on the bottoms of the two rear support rods 21 . The push rod 3 includes two groups of rods located on the left and right sides, each group of rods includes a lower push rod 31 , an upper push rod 32 rotatably connected to the upper part of the lower push rod 31 , and an upper push rod 32 for connecting the upper push rod 32 . The push rod lock 33 is locked relative to the lower push rod 31 . The upper push rods 32 on both sides are integrally provided with a U-shaped rod with an opening facing downward, and the top of the U-shaped rod is provided with an unlocking operation member 7 for unlocking the push rod locking members 33 on both sides at the same time. The connecting rod 4 has two groups which are respectively arranged on the left and right sides; correspondingly, the telescopic belt 5 is also provided with two groups.

Referring to FIG. 2 , on the left and right sides of the cart frame, the upper part of the front support rod 11 is rotatably connected to the lower part of the lower push rod 31 around the rotation axis A, and the upper part of the rear support rod 21 is rotatably connected to the lower push rod 21 around the axis B. On the rod 32, the front part of the connecting rod 4 is rotatably connected to the front support rod 11 around the axis C, and the rear part of the connecting rod 4 is rotatably connected to the rear support rod 21 around the axis D. The telescopic belt 5 is specifically an elastic telescopic belt. One end of the telescopic belt 5 is fixed on the front support rod 11 , and the other end is fixed on the rear support rod 21 . The telescopic belt 5 is arranged below the connecting rod 4 .

On the cart frame, the telescopic belt 5 is preferably set as a basket belt. During specific installation, a basket may be arranged between the front bracket 1 and the rear bracket 2 , and the above-mentioned telescopic belt 5 may be arranged on the upper frame of the basket.

The locking mechanism also includes a frame locking member 6 disposed between the rear support rod 21 and the lower push rod 31 for locking the two relative to each other. The frame locking member 6 and the push rod locking member 33 on the same side are linked and unlocked. set up. When the push rod locking member 33 is unlocked by operating the unlocking operating member 7 and the upper push rod 32 is rotated and retracted relative to the lower push rod 31 , the frame locking member 6 is unlocked by linkage.

When the stroller frame is locked in the unfolded state, as shown in FIGS. 1 and 2 , the frame locking member 6 and the push rod locking member 33 are locked respectively, and the stroller frame can provide a stable load. When the cart frame needs to be folded up, as shown in FIGS. 3 and 4 , first operate the unlocking operating member 7 to unlock the push rod locking member 33 and make the upper push rod 32 rotate and fold relative to the lower push rod 31 . During the process, the frame locking member 6 is linked and unlocked. At this time, the user releases the push rod 3. As shown in Figure 5, on the one hand, the push rod 3 gradually rotates towards the rear of the rear bracket 2 under the action of its own gravity, The bracket 1 and the rear bracket 2 move toward each other in the front-rear direction under the action of the push rod 3 and the elastic force of the telescopic belt 5 , and the front wheel assembly 10 and the rear wheel assembly 20 move toward each other in the front-rear direction. Until the front bracket 1 , the rear bracket 2 , the push rod 3 and the connecting rod 4 are folded together, the cart frame is folded, as shown in FIG. 6 . In the folded state of the stroller frame, the front wheel assembly 10 is folded between the two rear wheel assemblies 20 , and the stroller frame independently stands on the ground by the front wheel assembly 10 and the rear wheel assembly 20 .

To sum up, in the stroller of the present invention, a telescopic belt 5 is arranged between the front bracket 1 and the rear bracket 2, and after the locking mechanism is unlocked, the force of the telescopic belt 5 further assists the front bracket 1 and the rear bracket 2 Make the approaching motion in the front and rear directions and gradually fold, so that the frame is automatically folded, so that the user can wait for the frame to automatically fold after unlocking the frame, which brings great benefits to the user's daily use. convenient.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose thereof is to enable those who are familiar with the technology to understand the content of the present invention and implement accordingly, and cannot limit the protection scope of the present invention with this. All equivalent changes or modifications made according to the spirit of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a children's shallow, includes the shallow frame that has expansion state and fold condition, locates at the bottom of the shallow frame anterior front wheel subassembly, locates rear wheel subassembly at the bottom of the shallow frame rear portion, and be used for with the locking mechanism of shallow frame locking under expansion state, the shallow frame is equipped with including the bottom at least fore-stock, the bottom of front wheel subassembly are equipped with the after-poppet of rear wheel subassembly, and push rod, fore-stock, after-poppet and push rod are connected with rotating relatively each other, when the shallow frame is in fold condition, the fore-stock the after-poppet reaches the push rod draws in its characterized in that along the fore-and-aft direction relatively: the front support with still be connected with between the rear support and be used for driving about both and do the telescopic band of approach motion along the fore-and-aft direction, when the shallow frame was changed to fold condition by the expansion state, the telescopic band shortened and drive the front support with the rear support is drawn in along the fore-and-aft direction.

2. The stroller of claim 1, wherein: the upper portion of fore-stock with the lower part of push rod is connected with rotating, the upper portion of after-poppet is connected with rotating on the push rod, the shallow frame is still including connecting with rotating the fore-stock with the connecting rod between the after-poppet, when the shallow frame is in fold condition, fore-stock, after-poppet, connecting rod and push rod draw in each other, just the push rod draws in the rear side of after-poppet.

3. The stroller of claim 2, wherein: when the cart frame is converted from the unfolding state to the folding state, the push rod automatically faces the rear side of the rear support to overturn.

4. The stroller of claim 2, wherein: locking mechanical system is including setting up the after-poppet with be used for the frame locking piece with both locking between the push rod, the push rod includes lower push rod and last push rod that the rotation of each other is connected, and be used for with the push rod locking piece of last push rod and lower push rod relative locking, the push rod locking piece with frame locking piece linkage unblock ground sets up, the upper portion of last push rod still is equipped with and is used for the unblock operating parts of push rod locking piece.

5. The stroller of claim 2, wherein: the telescopic belt is arranged below the connecting rod.

6. The stroller of claim 1, wherein: the front support is provided with two groups of front supporting rods which are respectively arranged on the left side and the right side and extend along the vertical direction, the rear support is provided with two groups of rear supporting rods which are respectively arranged on the left side and the right side and extend along the vertical direction, and the telescopic belts are arranged between the front supporting rods and the rear supporting rods on each side of the cart frame.

7. The stroller of claim 6, wherein: the front support rods on the two sides are integrally provided with U-shaped rods with upward openings, and the front wheel assemblies are in a group and are arranged at the bottoms of the U-shaped rods; two sets of rear wheels are arranged at the bottom of the rear supporting rod, and when the cart is in a folded state, the front wheel assemblies are folded between the two rear wheel assemblies.

8. The stroller of claim 1, wherein: the telescopic belt is an elastic telescopic belt, one end part of the telescopic belt is fixed on the front support, and the other end part of the telescopic belt is fixed on the rear support.

9. Child stroller according to any of claims 1 to 8, characterized in that: the telescopic belt is a basket belt.

10. The utility model provides a children's shallow, includes the shallow frame that has expansion state and fold condition, locates at the bottom of the shallow frame anterior front wheel subassembly, locates rear wheel subassembly at the bottom of the shallow frame rear portion, and be used for with the locking mechanism of shallow frame locking under expansion state, the shallow frame is equipped with including the bottom at least fore-stock, the bottom of front wheel subassembly are equipped with the after-poppet of rear wheel subassembly, and push rod, fore-stock, after-poppet and push rod are connected with rotating relatively each other, when the shallow frame is in fold condition, the fore-stock the after-poppet reaches the push rod draws in its characterized in that along the fore-and-aft direction relatively: the upper portion of fore-stock with the lower part of push rod is connected with rotating, the upper portion of after-poppet is connected with rotating on the push rod, the fore-stock with it is equipped with the connecting rod still to rotate to be connected between the after-poppet, the fore-stock with still be connected with the basket between the after-poppet, the last frame of enclosing of basket has and is used for ordering about the fore-stock with the after-poppet is the telescopic band of approach motion along the fore-and-aft direction, when the shallow was changed to fold condition by expansion state, the telescopic band shortens and drives the fore-stock with the after-poppet draws in along the fore-and-aft direction.

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