CN101973300B - Baby stroller - Google Patents

Abstract

A kind of children's trolley, comprising a trolley frame, the said trolley frame comprises a front bracket, a telescopic frame whose upper part is rotatably connected with the upper end of said front bracket, a lower end and an upper part of said telescopic frame The push rod frame connected in rotation, the rear frame slidably connected with the telescopic frame along its length direction, the lower support frame in which the front part is rotatably connected with the front frame through the third rotating shaft, and the upper end A rear support that is rotatably connected with the push rod frame through the fourth rotating shaft. When the locking mechanism is unlocked, the push rod frame is turned backwards and moved closer to the rear frame. Under the linkage of the rear frame, the rear frame slides in the direction away from the telescopic frame. Synchronously, the linkage of the lower frame The front bracket is moved closer to the rear bracket, and the structure is simple.

Description

baby stroller

technical field

The invention relates to a children's trolley for children to sit on and push.

Background technique

A child stroller in the prior art includes a stroller frame with an unfolded position and a folded position, a front wheel assembly and a rear wheel assembly arranged at the lower part of the stroller frame, A seat mechanism on the frame, a locking mechanism for locking the cart frame in an unfolded position. There are many types of existing trolley frames, the number of rods of the cart frame is different, and the connection positions between the rods are different, so the folding principles and folding methods are different.

Contents of the invention

The technical problem to be solved by the invention is to provide a children's trolley.

In order to solve the above technical problems, a technical solution adopted by the present invention is: a children's stroller, including a stroller frame with an unfolded position and a folded position, a front wheel assembly, a rear wheel assembly, The seat mechanism on the frame, the locking mechanism for locking the cart frame in the unfolded position, and the cart frame includes

The front bracket, the front wheel assembly is arranged at the lower part of the front bracket;

telescopic frame, the upper part of the telescopic frame is rotatably connected to the upper end of the front bracket;

a push rod frame, the lower end of the push rod frame is rotatably connected to the upper part of the telescopic frame;

a rear bracket, the rear bracket is slidably connected with the telescopic frame along its length direction, and the rear wheel assembly is arranged at the lower part of the rear bracket;

The lower bracket, the front part of the lower bracket is rotatably connected with the front bracket through the third rotating shaft, and the third rotating shaft is located between the upper part of the telescopic frame and the upper end of the front bracket Below the rotating connection of the part;

Rear bracket, the upper end of the rear bracket is rotationally connected with the push rod frame through the fourth rotating shaft, the lower part of the rear bracket, the rear part of the lower bracket and the The rear bracket is connected with the same axis through the fifth rotating shaft, and the rotating connection between the lower end of the push rod frame and the upper part of the telescopic frame is located below the fourth rotating shaft. The rotating shafts between the front bracket, the push rod frame and the telescopic frame can be connected by rotating through one rotating shaft, or can be connected rotatingly by two rotating shafts.

In some embodiments, the locking mechanism is disposed between the telescopic frame and the rear frame.

In some embodiments, the seat mechanism is arranged on the lower frame.

In some embodiments, the upper part of the telescopic frame is rotatably connected to the upper end of the front bracket through a first rotating shaft, and the lower end of the push rod frame is connected to the upper part of the telescopic frame through The second rotating shaft is rotationally connected, and the first rotating shaft is located below the second rotating shaft.

In some embodiments, the stroller frame includes side brackets on both sides, a connecting bracket connected between the side brackets on both sides, and each side bracket includes the side brackets. The front bracket, the push rod frame, the telescopic frame, the rear bracket, the lower bracket and the rear bracket.

In some further embodiments, the connecting frame is a plurality of connecting rods fixed between the side brackets on both sides.

The orientation words such as up, down, front, and back mentioned above are defined when the cart frame is in the unfolded position, the position of the front wheel assembly is the front, and the position of the rear wheel assembly is back.

The scope of the present invention is not limited to technical solutions formed by a specific combination of the above technical features, but also covers other technical solutions formed by any combination of the above technical features or equivalent features. For example, technical solutions formed by replacing the above-mentioned features with (but not limited to) technical features with similar functions disclosed in this application.

Due to the application of the above-mentioned technical solutions, the present invention has the following advantages compared with the prior art: when the locking mechanism is unlocked, the push rod frame is turned backwards and moved closer to the rear bracket, and under the linkage of the rear bracket, the rear The bracket slides in a direction away from the telescopic frame, synchronously, the front bracket moves closer to the rear bracket under the linkage of the lower bracket, and the structure is simple.

Description of drawings

Accompanying drawing 1 is the front view of the present invention (the cart frame is positioned at the deployed position);

Accompanying drawing 2 is the front view of the present invention (cart frame is in the conversion process of expanded position and folded position);

Accompanying drawing 3 is the front view of the present invention (the stroller frame is in the folded position).

Among them: 1. Cart frame; 2. Front wheel assembly; 3. Rear wheel assembly; 4. Front bracket; 5. Telescopic frame; 6. First shaft; 7. Push rod frame; 8. Second shaft; 9 10, the lower support frame; 11, the third rotating shaft; 12, the rear supporting frame; 13, the fourth rotating shaft; 14, the fifth rotating shaft.

Detailed ways

As shown in the accompanying drawings, a children's stroller includes a stroller frame 1 with an unfolded position and a folded position, a front wheel assembly 2, a rear wheel assembly 3, and a seat mechanism arranged on the stroller frame 1 . A locking mechanism that locks the cart frame 1 in the unfolded position, and the cart frame 1 includes

Front bracket 4, the front wheel assembly 2 is arranged on the lower part of the front bracket 4;

A telescopic frame 5, the upper part of the telescopic frame 5 is rotatably connected with the upper end of the front bracket 4 through the first rotating shaft 6;

The push rod frame 7, the lower end of the push rod frame 7 is rotationally connected with the upper part of the telescopic frame 5 through the second rotating shaft 8, and the first rotating shaft 6 is located at the end of the second rotating shaft 8 below;

Rear bracket 9, said rear bracket 9 is slidably connected with said telescopic frame 5 along its length direction, said rear wheel assembly 3 is arranged at the bottom of said rear bracket 9;

A lower bracket 10, the front part of the lower bracket 10 is rotationally connected with the front bracket 4 through a third rotating shaft 11, and the third rotating shaft 11 is located below the first rotating shaft 6;

Rear bracket 12, the upper end of said rear bracket 12 is rotationally connected with said push rod frame 7 through a fourth rotating shaft 13, the bottom of said rear bracket 12, said lower bracket 10 The rear part is connected with the rear support 9 coaxially through the fifth rotating shaft 14, and the second rotating shaft 8 is located below the fourth rotating shaft 13. The seat mechanism is arranged on the lower support frame 10, and the seat mechanism is not shown in the figure.

Not shown in the figure, the locking mechanism is arranged between the telescopic frame 5 and the rear bracket 9 . The specific structure of the locking mechanism is not limited, as long as it is a locking mechanism that can lock two sliding parts, it can be used here, such as the telescopic frame 5 is provided with a lock hole, and the rear bracket 9 is provided with a lock head, when the lock head is inserted into the lock hole, the locking mechanism is locked, and when the lock head is separated from the lock hole, the locking mechanism is unlocked.

Not shown, the cart frame 1 includes side brackets on both sides, a connecting frame connected between the side brackets on both sides, and the side brackets on each side include the front Support 4 , the push rod frame 7 , the telescopic frame 5 , the rear frame 9 , the lower frame 10 and the rear frame 12 . The connecting frame is a plurality of connecting rods fixed between the side supports on both sides.

As mentioned above, we have fully described according to the purpose of the present invention, but the present invention is not limited to the above-mentioned embodiments and implementation methods. Practitioners in the relevant technical fields may make various changes and implementations within the scope permitted by the technical ideas of the present invention.

Claims (6)

1. baby carriage; Comprise go-cart vehicle frame (1), front component (2), wheel assembly (3) with expanded position and folding position, be arranged at seat mechanism on the described go-cart vehicle frame (1), described go-cart vehicle frame (1) is locked in the lockout mechanism under the expanded position, it is characterized in that: described go-cart vehicle frame (1) comprises

Front frame (4), described front component (2) is arranged at the bottom of described front frame (4);

Expansion bracket (5), the top of described expansion bracket (5) is connected with the upper end of described front frame (4) rotatedly;

Push-rod frame (7), the bottom of described push-rod frame (7) is connected with the top of described expansion bracket (5) rotatedly;

After poppet (9), described after poppet (9) is slidingly connected along its length direction and described expansion bracket (5), and described wheel assembly (3) is arranged at the bottom of described after poppet (9);

Following support (10); The front portion of described down support (10) is connected through the 3rd rotating shaft (11) with described front frame (4) rotatedly, and described the 3rd rotating shaft (11) is positioned at the below that is rotationally connected and locates of upper end of top and the described front frame (4) of described expansion bracket (5);

Back pole-bracket (12); The upper end of described back pole-bracket (12) is connected through the 4th rotating shaft (13) with described push-rod frame (7) rotatedly; The bottom of described back pole-bracket (12), the described rear portion and the described after poppet (9) of support (10) down are rotationally connected through the 5th rotating shaft (14) same axis, and the place of being rotationally connected on the top of the bottom of described push-rod frame (7) and described expansion bracket (5) is positioned at the below of described the 4th rotating shaft (13).

2. baby carriage according to claim 1 is characterized in that: described lockout mechanism is arranged between described expansion bracket (5) and the described after poppet (9).

3. baby carriage according to claim 1 is characterized in that: described seat mechanism is arranged on the described support (10) down.

4. baby carriage according to claim 1; It is characterized in that: the top of described expansion bracket (5) is connected through first rotating shaft (6) with the upper end of described front frame (4) rotatedly; The bottom of described push-rod frame (7) is connected through second rotating shaft (8) with the top of described expansion bracket (5) rotatedly, and described first rotating shaft (6) is positioned at the below of described second rotating shaft (8).

5. baby carriage according to claim 1; It is characterized in that: described go-cart vehicle frame (1) comprises side stand in both sides, be connected the link span between the described side stand of both sides, and the described side stand of every side all comprises described front frame (4), described push-rod frame (7), described expansion bracket (5), described after poppet (9), described support (10) and described back pole-bracket (12) down.

6. baby carriage according to claim 5 is characterized in that: described link span is many connecting rods that are fixed between the side stand of both sides.

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