CN100581895C - Crosswise-foldable baby carriage - Google Patents

Abstract

The invention relates to an infant cart which can be horizontally folded. The cart frame comprises a first front wheel bracket and a second front wheel bracket; a first push rod and a second push rod respectively rotationally connected with the first front wheel bracket and the second front wheel bracket; a first rear wheel bracket and a second rear wheel bracket respectively rotationally connected with the first push rod and the second push rod; a first downslide part and a second downslide part arranged on the first rear wheel bracket and the second rear wheel bracket in a slide way respectively; a first driving rod and a second driving rod respectively rotationally connected with the first push rod and the second push rod; a third driving rod connected between the first driving rod and the first downslide part and a fourth driving rod connected between the second driving rod and the second downslide part; a bottom bracket arranged between the two front wheel brackets and the two rear wheel brackets; and a rear bracket arranged between the two rear wheel brackets and the two downslide parts. Since the two front wheel brackets and the two rear wheel brackets close up to each other and support the cart frame after being folded, self-support can be realized.

Description

Baby stroller that can be folded horizontally

technical field

The invention relates to a baby stroller, in particular to a horizontally foldable baby stroller.

Background technique

In the current technology, when the horizontally foldable baby stroller is folded, its two push rods fall forward respectively and move closer to the two front wheel brackets, while the lower parts of the two front wheel brackets and the lower parts of the two rear wheel brackets are relatively pulled away, that is, The front wheel assembly is far away from the rear wheel assembly, so the folded baby stroller lies on its stomach and cannot stand on its own.

Contents of the invention

The technical problem to be solved by the present invention is to provide a baby stroller that can stand on its own after being folded and can be folded horizontally.

The technical solution adopted by the present invention is: a baby stroller that can be folded laterally, comprising a stroller frame with an unfolded position and a folded position, a front wheel assembly arranged at the bottom front of the stroller frame, a set a rear wheel assembly at the bottom rear of the cart frame, a locking mechanism for locking the cart frame in an unfolded position, and the cart frame includes

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

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

a first push rod, the lower end of the first push rod is rotatably connected to the upper end of the first front wheel bracket;

a second push rod, the lower end of the second push rod is rotatably connected to the upper end of the second front wheel bracket;

a first rear wheel bracket, the upper end of the first rear wheel bracket is rotatably connected to the lower part of the first push rod, and the lower part of the first rear wheel bracket is provided with a first rear wheel assembly;

a second rear wheel support, the upper end of the second rear wheel support is rotatably connected to the lower part of the second push rod, and the second rear wheel assembly is provided at the lower part of the second rear wheel support;

The cart frame also includes

a first sliding member, the first sliding member is slidably arranged on the first rear wheel support along the length direction of the first rear wheel support;

a second sliding member, the second sliding member is slidably arranged on the second rear wheel support along the length direction of the second rear wheel support;

a first drive rod, one end of the first drive rod is rotatably connected to the first push rod;

a second drive rod, one end of the second drive rod is rotatably connected to the second push rod;

The third driving rod, the third driving rod is slidably arranged on the first rear wheel bracket along the length direction of the first rear wheel bracket, the upper end of the third driving rod is in contact with the The other end of the first driving rod is rotatably arranged, and the lower end of the third driving rod is rotatably connected or fixedly connected to the first sliding member;

The fourth driving rod, the fourth driving rod is slidably arranged on the second rear wheel bracket along the length direction of the second rear wheel bracket, the upper end of the fourth driving rod is in contact with the The other end of the second driving rod is rotatably arranged, and the lower end of the fourth driving rod is rotatably connected or fixedly connected to the second sliding member;

Bottom brace, the bottom brace is composed of a first bottom brace and a second bottom brace that intersect and are rotatably connected at the intersection, the front end of the first bottom brace passes through the first bottom brace The adapter is set to rotate with the first front wheel bracket, the rear end of the first bottom brace is set to rotate with the second slide through the fourth adapter, and the The front end of the second bottom brace is rotatably arranged with the second front wheel bracket through a second adapter, and the rear end of the second bottom brace is connected with the second adapter through a third adapter. The first sliding member is set in rotation;

The rear support frame, the rear support frame is composed of the first rear support rod and the second rear support rod intersecting and rotatingly connected at the intersection, the upper end of the first rear support rod is connected to the The second rear wheel bracket is rotatably connected, the lower end of the first rear strut is rotatably connected to the first sliding member, the upper end of the second rear strut is connected to the first rear The wheel bracket is rotatably connected, and the lower end of the second rear strut is rotatably connected with the second sliding member. When the locking mechanism is unlocked, turn the first push rod and the second push rod backward and downward, and under the action of the first drive rod and the second drive rod, drive the third drive rod and the fourth driving rod slide down, under the action of the first push rod, the second push rod and the bottom bracket, the first front wheel bracket and the The second front wheel bracket described above is relatively close to the first rear wheel bracket and the second rear wheel bracket, and after being folded, the two front wheel assemblies and the two rear wheel assemblies are in contact with the ground to form a pair of cart frames support. The rear support frame and the bottom support frame play a role in ensuring the stability of the baby stroller in the unfolded position.

The first rear wheel bracket has a first lumen, the third drive rod is located in the first lumen, and the first rear wheel bracket is provided with a pipe along its length direction. The first elongated hole communicating with the cavity, the other end of the first driving rod and the upper end of the third driving rod are set in rotation through the first elongated hole, and the third driving rod The lower end of the rod is connected with the first sliding member through the first long hole, the second rear wheel bracket has a second lumen, and the fourth driving rod is located at the second In the tube cavity, the second rear wheel bracket is provided with a second elongated hole communicating with the second tube cavity along its length direction, and the other end of the second driving rod is connected to the The upper end of the fourth driving rod is rotatably set through the second long hole, and the lower end of the fourth driving rod is connected with the second sliding member through the second long hole.

The upper part of the first rear wheel bracket is slidably fitted with a first upper slider, and the first upper slider is connected with the upper end of the third driving rod through the first long hole , the other end of the first drive rod is rotatably connected to the first upper slider, the upper part of the second rear wheel bracket is slidably sleeved with the second upper slider, and the first The two upper slides are connected with the upper end of the fourth driving rod through the second long hole, and the other end of the second drive rod is rotatably connected with the second upper slide. The third driving rod may not be in the first lumen, and the fourth driving rod may not be in the second lumen.

The first adapter is a strip-shaped seatpost, and the second adapter is a strip-shaped seatpost. When the cart frame is in the unfolded position, the The length direction of the first adapter is basically consistent with the front-rear direction of the cart frame, the length direction of the second adapter is basically consistent with the front-rear direction of the cart frame, and The front end of the first bottom brace and the first front wheel bracket are respectively rotatably connected to the rear of the first adapter, and the front end of the second bottom brace and the The second front wheel bracket is respectively rotatably connected with the rear part of the second adapter.

The rotational connection between the first front wheel support and the first push rod is located in front of the rotational connection between the first rear wheel support and the first push rod; the second front The rotational connection between the wheel support and the second push rod is located in front of the rotational connection between the second rear wheel support and the second push rod.

The rotational connection of the first rear wheel bracket and the first push rod is located in front of the rotational connection of the first drive rod and the first push rod; the second rear wheel The rotational connection between the bracket and the second push rod is located in front of the rotational connection between the second driving rod and the second push rod.

Compared with the prior art, the present invention has the following advantages: after being folded, the two front wheel assemblies and the two rear wheel assemblies are relatively close together and form a support for the cart frame, so self-supporting can be realized, that is, it is easy to take and carry after folding , and the baby stroller also has the advantages of small volume after the frame is folded, simple structure and beautiful appearance in the unfolded position.

Description of drawings

Accompanying drawing 1 is the expanded perspective view of the present invention;

Accompanying drawing 2 is the half-fold perspective view of the present invention;

Accompanying drawing 3 is the folding perspective view of the present invention;

Accompanying drawing 4 is the expanded side view of the present invention;

Accompanying drawing 5 is a half-folded side view of the present invention;

Accompanying drawing 6 is the folding side view of the present invention;

Accompanying drawing 7 is the enlarged view of A place of accompanying drawing 1.

Among them: 1. Cart frame; 2. The first front wheel assembly; 3. The second front wheel assembly; 4. The first rear wheel assembly; 5. The second rear wheel assembly; 6. The first front wheel bracket; 7 , the second front wheel bracket; 8, the first push rod; 9, the second push rod; 10, the first rear wheel bracket; 11, the second rear wheel bracket; 12, the first bottom support rod; 13, the second bottom Strut; 14, the first rear strut; 15, the second rear strut; 16, the first driving rod; 17, the second driving rod; 18, the first upper slider; 19, the second upper slider; 20 , the first sliding piece; 21, the second sliding piece; 22, the first adapter; 23, the second adapter; 24, the third adapter; 25, the fourth adapter; 26, the third drive Rod; 27, the bottom support frame; 28, the rear support frame; 29, the fourth driving rod.

Detailed ways

The position located at the front wheel assembly is the front, and the position located at the rear wheel assembly is the rear.

Referring to the accompanying drawings, a baby stroller that can be folded laterally includes a stroller frame 1 with an unfolded position and a folded position, a front wheel assembly arranged at the bottom front of the stroller frame 1, and a The rear wheel assembly at the bottom rear of the cart frame 1, the locking mechanism for locking the cart frame 1 in the unfolded position, and the cloth cover arranged on the cart frame 1 , usually the seat is formed on the cloth cover. Described trolley frame 1 comprises first front wheel support 6, is arranged on the first front wheel assembly 2 of described first front wheel support 6 bottoms; Second front wheel support 7, is arranged on described second The second front wheel assembly 3 at the bottom of the front wheel bracket 7; the first push rod 8, the lower end of the first push rod 8 is rotatably connected with the upper end of the first front wheel bracket 6; the second push rod Rod 9, the lower end of the second push rod 9 is rotatably connected to the upper end of the second front wheel bracket 7; the first rear wheel bracket 10, the upper end of the first rear wheel bracket 10 Rotately connected with the bottom of the first push rod 8, the bottom of the first rear wheel bracket 10 is provided with the first rear wheel assembly 4; the second rear wheel bracket 11, the second rear wheel bracket The upper end of 11 is rotatably connected with the lower part of the second push rod 9, and the lower part of the second rear wheel bracket 11 is provided with the second rear wheel assembly 5; the cart frame 1 also includes

The first sliding member 20, the first sliding member 20 is slidably arranged on the first rear wheel support 10 along the length direction of the first rear wheel support 10;

The second sliding member 21, the second sliding member 21 is slidably arranged on the second rear wheel support 11 along the length direction of the second rear wheel support 11;

A first drive rod 16, one end of the first drive rod 16 is rotatably connected to the first push rod 8;

A second drive rod 17, one end of the second drive rod 17 is rotatably connected to the second push rod 9;

The third driving rod 26, the third driving rod 26 is slidably arranged on the first rear wheel bracket 10 along the length direction of the first rear wheel bracket 10, the third driving rod The upper end of 26 is set to rotate with the other end of the first driving rod 16, and the lower end of the third driving rod 26 is connected to the first sliding member 20;

The fourth driving rod 29, the fourth driving rod 29 is slidably arranged on the second rear wheel bracket 11 along the length direction of the second rear wheel bracket 11, and the fourth driving rod The upper end of 29 is arranged to rotate with the other end of the second driving rod 17, and the lower end of the fourth driving rod 29 is connected to the second sliding member 21;

Bottom brace 27, said bottom brace 27 is formed by first bottom brace 12, second bottom brace 13 intersecting and rotatingly connected at the intersection, said first bottom brace 12 The front end portion is arranged to rotate with the first front wheel bracket 6 through the first adapter 22, and the first bottom brace 12 and the first front wheel bracket 6 are connected with the first front wheel bracket 6 respectively. The rotating member 22 is connected in rotation, and the first rotating member 22 enables the front end of the first bottom brace 12 and the first front wheel bracket 6 to rotate relative to each other in two intersecting planes. The rear end of the first bottom brace 12 is set in rotation with the second sliding piece 21 through the fourth adapter 25, and the fourth connecting piece 25 also makes the first bottom The rear end of the strut 12 and the second sliding member 21 can rotate relative to each other in two intersecting planes, and the front end of the second bottom strut 13 is connected to the second connecting member 23 through the second connecting member 23. The second front wheel bracket 7 is rotatably arranged, and the same second adapter 23 enables the front end of the second bottom brace 13 and the second front wheel bracket 7 to be in two intersecting positions. The relative rotation in the plane, the rear end of the second bottom brace 13 is set to rotate with the first sliding member 20 through the third adapter 24, and the third adapter 24 also makes The second bottom brace 13 and the first sliding member 20 can rotate relative to each other in two intersecting planes;

Rear support frame 28, described rear support frame 28 is formed by first rear support rod 14, second rear support rod 15 intersecting and rotatingly connected at the intersection, the upper end of described first rear support rod 14 part is rotatably connected with the second rear wheel bracket 11, the lower end of the first rear strut 14 is rotatably connected with the first slide 20, and the second rear strut 15 is The upper end is rotatably connected with the first rear wheel bracket 10 , and the lower end of the second rear strut 15 is rotatably connected with the second sliding member 21 .

The first rear wheel support 10 has a first lumen, and the third drive rod 26 is located in the first lumen, and the first rear wheel support 10 is provided with a groove along its length direction. The first elongated hole connected to the first lumen, the upper part of the first rear wheel bracket 10 is slidably sleeved with a first upper slide 18, and the first upper slide 18 is connected to the third The upper end of the drive rod 26 is rotatably or fixedly connected through the first long hole, and the other end of the first drive rod 16 is rotatably connected with the first upper slider 18, so The lower end of the third driving rod 26 is connected with the first sliding member 20 through the first long hole, the second rear wheel bracket 11 has a second lumen, and the fourth The driving rod 29 is located in the second lumen, and the second rear wheel bracket 11 is provided with a second elongated hole communicating with the second lumen along its length direction. The upper part of the rear wheel bracket 11 is slidably provided with a second upper sliding member 19, and the second upper sliding member 19 is compatible with the upper end of the fourth driving rod 29 through the second long hole. Rotate or be fixedly connected, the other end of the second drive rod 17 is rotatably connected with the second upper slider 19, the lower end of the fourth drive rod 29 is connected with the second The sliding member 21 is connected through the second long hole.

The first adapter 22 is an elongated seat post, and the second adapter 23 is an elongated seat post. When the stroller frame 1 is in the unfolded position, The length direction of the first adapter 22 is basically consistent with the front and rear direction of the cart frame 1, and the length direction of the second adapter 23 is consistent with the front and rear directions of the cart frame 1. The front and rear directions are basically consistent, and the front end of the first bottom brace 12 and the first front wheel bracket 6 are respectively rotatably connected to the rear of the first adapter 22. The front end of the second bottom brace 13 and the second front wheel bracket 7 are respectively rotatably connected to the rear of the second adapter 23 . The seat is positioned above the bottom bracket 27 .

The rotational joint of the first front wheel support 6 and the first push rod 8 is located in front of the rotational joint of the first rear wheel support 10 and the first push rod 8; The rotational connection between the second front wheel support 7 and the second push rod 9 is located in front of the rotational connection between the second rear wheel support 11 and the second push rod 9 . The said first rear wheel support 10 and said first push rod 8 are located in front of said first drive rod 16 and said first said first push rod 8's rotational joint; said The rotational connection between the second rear wheel support 11 and the second push rod 9 is located in front of the rotational connection between the second driving rod 17 and the second push rod 9 .

The orientation words such as the upper part, the lower part, the front part and the rear part involved are defined when the stroller frame 1 is in the expanded position.

Claims (6)

1, the laterally folded doll carriage of a kind of energy, comprise go-cart vehicle frame (1), the front component that is arranged on the front portion, the end of described go-cart vehicle frame (1), the wheel assembly that is arranged on the rear portion, the end of described go-cart vehicle frame (1) with expanded position and folding position, the lockout mechanism that is used for described go-cart vehicle frame (1) is locked in expanded position, described go-cart vehicle frame (1) comprises

First front-wheel support (6) is arranged on first front component (2) of described first front-wheel support (6) bottom;

Second front-wheel support (7) is arranged on second front component (3) of described second front-wheel support (7) bottom;

First push rod (8), the bottom of described first push rod (8) rotate with the upper end of described first front-wheel support (6) and are connected;

Second push rod (9), the bottom of described second push rod (9) rotate with the upper end of described second front-wheel support (7) and are connected;

First rear wheel support (10), the upper end of described first rear wheel support (10) rotate with the bottom of described first push rod (8) and are connected, and the bottom of described first rear wheel support (10) is provided with first wheel assembly (4);

Second rear wheel support (11), the upper end of described second rear wheel support (11) rotate with the bottom of described second push rod (9) and are connected, and the bottom of described second rear wheel support (11) is provided with second wheel assembly (5);

It is characterized in that:

Described go-cart vehicle frame (1) also comprises

First time saddle (20), described first time saddle (20) is slidingly arranged on described first rear wheel support (10) along the length direction of described first rear wheel support (10);

Second time saddle (21), described second time saddle (21) is slidingly arranged on described second rear wheel support (11) along the length direction of described second rear wheel support (11);

First drive spindle (16), an end of described first drive spindle (16) rotate with described first push rod (8) and are connected;

Second drive spindle (17), an end of described second drive spindle (17) rotate with described second push rod (9) and are connected;

The 3rd drive spindle (26), described the 3rd drive spindle (26) is slidingly arranged on described first rear wheel support (10) along the length direction of described first rear wheel support (10), the other end of the upper end of described the 3rd drive spindle (26) and described first drive spindle (16) is provided with rotatedly, and the bottom of described the 3rd drive spindle (26) is connected with described first time saddle (20);

The 4th drive spindle (29), described the 4th drive spindle (29) is slidingly arranged on described second rear wheel support (11) along the length direction of described second rear wheel support (11), the other end of the upper end of described the 4th drive spindle (29) and described second drive spindle (17) is provided with rotatedly, and the bottom of described the 4th drive spindle (29) is connected with described second time saddle (21);

Bottom bracing frame (27), described bottom bracing frame (27) is by first bottom supporting rod (12), second bottom supporting rod (13) intersects and rotates to connect at infall and constituted, the leading section of described first bottom supporting rod (12) is provided with rotatedly by first adaptor (22) and described first front-wheel support (6), the rearward end of described first bottom supporting rod (12) is provided with rotatedly by the 4th adaptor (25) and described second time saddle (21), the leading section of described second bottom supporting rod (13) is provided with rotatedly by second adaptor (23) and described second front-wheel support (7), and the rearward end of described second bottom supporting rod (13) is provided with rotatedly by the 3rd adaptor (24) and described first time saddle (20);

Back pole-bracket (28), described back pole-bracket (28) is by first rear pole (14), second rear pole (15) intersects and rotates at infall and connects and composes, the upper end of described first rear pole (14) rotates with described second rear wheel support (11) and is connected, the bottom of described first rear pole (14) rotates with described first time saddle (20) and is connected, the upper end of described second rear pole (15) rotates with described first rear wheel support (10) and is connected, and the bottom of described second rear pole (15) rotates with described second time saddle (21) and is connected.

2, the doll carriage that energy according to claim 1 is laterally folded, it is characterized in that: described first rear wheel support (10) has first tube chamber, described the 3rd drive spindle (26) is positioned at described first tube chamber, its length direction of described first rear wheel support (10) upper edge has first slotted hole that is connected with first tube chamber, the upper end of the other end of described first drive spindle (16) and described the 3rd drive spindle (26) is provided with rotatedly by described first slotted hole, the bottom of described the 3rd drive spindle (26) is connected by described first slotted hole with described first time saddle (20), described second rear wheel support (11) has second tube chamber, described the 4th drive spindle (29) is positioned at described second tube chamber, its length direction of described second rear wheel support (11) upper edge has second slotted hole that is connected with described second tube chamber, the upper end of the other end of described second drive spindle (17) and described the 4th drive spindle (29) is provided with rotatedly by described second slotted hole, and the bottom of described the 4th drive spindle (29) is connected by described second slotted hole with described second time saddle (21).

3, the doll carriage that energy according to claim 2 is laterally folded, it is characterized in that: the top of described first rear wheel support (10) is arranged with first upward-sliding piece (18) slidably, described first upward-sliding piece (18) is connected by described first slotted hole with the upper end of described the 3rd drive spindle (26), the other end of described first drive spindle (16) rotates with described first upward-sliding piece (18) and is connected, the top of described second rear wheel support (11) is arranged with second upward-sliding piece (19) slidably, described second upward-sliding piece (19) is connected by described second slotted hole with the upper end of described the 4th drive spindle (29), and the other end of described second drive spindle (17) rotates with described second upward-sliding piece (19) and is connected.

4, the doll carriage that energy according to claim 1 is laterally folded, it is characterized in that: described first adaptor (22) is for being the seat bar of strip, described second adaptor (23) is for being the seat bar of strip, when described go-cart vehicle frame (1) when being in expanded position, the fore-and-aft direction of the length direction of described first adaptor (22) and described go-cart vehicle frame (1) is basically identical mutually, the fore-and-aft direction of the length direction of described second adaptor (23) and described go-cart vehicle frame (1) is basically identical mutually, and the leading section of described first bottom supporting rod (12), described first front-wheel support (6) rotates with the rear portion of described first adaptor (22) respectively and is connected the leading section of described second bottom supporting rod (13), described second front-wheel support (7) rotates with the rear portion of described second adaptor (23) respectively and is connected.

5, the laterally folded doll carriage of energy according to claim 1 is characterized in that: the place of being rotationally connected of described first front-wheel support (6) and described first push rod (8) is positioned at the place ahead at the place that is rotationally connected of described first rear wheel support (10) and described first push rod (8); The place of being rotationally connected of described second front-wheel support (7) and described second push rod (9) is positioned at the place ahead at the place that is rotationally connected of described second rear wheel support (11) and described second push rod (9).

6, the laterally folded doll carriage of energy according to claim 1 is characterized in that: the place of being rotationally connected of described first rear wheel support (10) and described first push rod (8) is positioned at the place ahead at the place that is rotationally connected of described first drive spindle (16) and described first push rod (8); The place of being rotationally connected of described second rear wheel support (11) and described second push rod (9) is positioned at the place ahead at the place that is rotationally connected of described second drive spindle (17) and described second push rod (9).

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