CN201849509U - Baby stroller - Google Patents

Abstract

A children's stroller, comprising a stroller frame, the stroller frame includes a left bottom bar, a right bottom bar, a left front bracket rotatably connected with the left bottom bar, a right front bracket rotatably connected with the right bottom bar, and a The left push rod that is rotatably connected with the left front bracket, the right push rod that is rotatably connected with the right front bracket, the bottom bracket that can be folded horizontally, and the rear bracket that can be folded horizontally. The utility model provides a technical solution of another technical concept. After the locking mechanism is unlocked, the left push rod and the right push rod are turned over backward, and the left push rod and the right push rod are moved forward, and the left push rod and the right push rod are moved forward. The left front bracket is close to each other, the right push rod is closer to the right front bracket, the left front bracket is farther away from the left bottom bar, and the right front bracket is farther away from the right bottom bar. At the same time, the bottom bracket and the rear bracket are folded separately to reduce the horizontal size , the cart frame is folded and has a small volume after folding, the cart frame has fewer parts and a simple structure.

Description

stroller

technical field

The utility model relates to a stroller for children.

Background technique

The children's stroller in the prior art includes a stroller frame, front wheels and rear wheels. There are many types of stroller frames, such as application number 200410065446.9. The support bar that is rotatably connected to the wheel support, the push rod that is rotatably connected to the upper end of the support bar, and the seat mechanism, the rear end of the front wheel support is rotatably connected to the lower part of the push rod, and the seat mechanism includes the lower end that rotates with the front wheel support The seat front frame connected, the front end portion and the seat base frame that are rotatably connected to the upper end of the seat front frame, the seat rear frame that the upper end is rotatably connected to the rear end portion of the seat base frame, the connecting rod, the seat rear frame and the front wheel The rear portion of the bracket is rotatably connected, the front end of the connecting rod is rotatably connected with the lower end of the seat rear frame, and the rear end of the connecting rod is rotatably connected with the bottom of the push rod. The cart frame has many parts and complicated structure.

Utility model content

The technical problem to be solved by the utility model is to provide a stroller for children.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a children's stroller, including a stroller frame with an unfolded position and a folded position, a front wheel assembly arranged at the front and lower side of the stroller frame, The rear wheel assembly arranged at the rear and lower side of the cart frame, and the locking mechanism for locking the cart frame in the unfolded position, the cart frame includes

The left bottom bar, the left bottom bar is located at the lower left side of the cart frame, and the length direction of the left bottom bar extends along the front-to-back direction;

The right bottom bar, the right bottom bar is located at the lower right of the cart frame, and the length direction of the right bottom bar extends along the front-to-back direction;

a left front bracket, the lower end of the left front bracket is rotationally connected to the front end of the left bottom bar;

a right front bracket, the lower end of the right front bracket is rotatably connected to the front end of the right bottom bar;

a left push rod, the lower part of the left push rod is rotationally connected with the upper end of the left front bracket;

a right push rod, the lower part of the right push rod is rotationally connected with the upper end of the right front bracket;

A bottom bracket that can be folded horizontally, the bottom bracket is arranged between the left bottom bar and the right bottom bar or the bottom bracket is arranged on the left bottom bar, the Between the right bottom bar, the left front bracket, and the right front bracket;

A rear brace that can be folded horizontally, the rear brace is arranged between the left push rod, the right push rod, the left bottom rod, and the right bottom rod, and the rear The brace includes a first rear strut, a second rear strut that intersects with the first rear strut and is rotatably connected in the middle, and the upper end of the first rear strut is connected with the left push The rod is set to rotate through the first rotating joint, the lower end of the first rear strut and the right bottom bar are set to rotate through the fourth rotating joint, the upper end of the second rear strut The right push rod is arranged to rotate through the second rotation joint, and the lower end of the second rear support rod is arranged to rotate with the left bottom rod through the third rotation joint.

In some embodiments, the bottom brace includes a first bottom brace and a second bottom brace, the first bottom brace intersects with the second bottom brace and intersects at the intersection rotationally connected.

In some further embodiments, the front end of the first bottom brace and the left front bracket are rotatably arranged through the fifth rotation joint, and the rear end of the first bottom brace is connected to the The rear part of the right bottom bar is set to rotate through the eighth rotation joint, the front end of the second bottom support rod and the right front bracket are set to rotate through the sixth rotation joint, and the second bottom support The rear end of the strut is rotatably arranged with the left bottom bar through the seventh rotary joint. In some further embodiments, the front end of the first bottom brace and the lower part of the left front bracket are rotatably arranged through the fifth rotation joint, and the front end of the second bottom brace The front end and the lower part of the right front bracket are rotatably arranged through the sixth revolving joint.

In some embodiments, the cart frame further includes a horizontally foldable push handle, and the push handle is arranged between the upper end of the left push rod and the upper end of the right push rod between. In some embodiments, the stroller frame further includes a horizontally foldable pedal, and the pedal is arranged between the left front bracket and the right front bracket, or is arranged at the left bottom between the front of the bar and the front of the right bottom bar as described.

In some embodiments, the locking mechanism includes a left locking mechanism and a right locking mechanism, the left locking mechanism is arranged between the left front bracket and the left push rod, and the right locking mechanism It is arranged between the right front bracket and the right push rod.

In some embodiments, the distance between the rotation axis between the left front bracket and the left push rod and the rotation axis between the first rotation joint and the left push rod is less than the distance between the rotation axis between the left front bracket and the left bottom bar and the rotation axis between the third rotation joint and the left bottom bar;

The distance between the rotation axis between the right front bracket and the right push rod and the rotation axis between the second rotation joint and the right push rod is smaller than the distance between the right front bracket and the right push rod The distance between the axis of rotation between the right bottom bar and the axis of rotation between the fourth pivot joint and the right bottom bar.

In some embodiments, the lower end of the first rear strut and the rear portion of the right bottom bar are rotatably arranged through the fourth rotation joint, and the second rear strut The lower end is rotatably arranged with the rear part of the left bottom bar through the third rotatable joint.

In some embodiments, the front wheel assembly includes a left front wheel assembly and a right front wheel assembly, the left front wheel assembly is arranged at the front end of the left bottom bar, and the right front wheel assembly It is arranged at the front end of the right bottom bar; the rear wheel assembly includes a left rear wheel assembly and a right rear wheel assembly, and the left rear wheel assembly is arranged at the rear end of the left bottom bar. The right rear wheel assembly is arranged at the rear end of the right bottom bar.

The orientation nouns mentioned above, up, down, left, right, front, and back, are all defined when the cart frame is in the expanded position.

The scope of the present utility model 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 use of the above technical solutions, the utility model has the following advantages compared with the prior art: the utility model provides another technical solution of the technical concept, after the locking mechanism is unlocked, the left push rod and the right push rod are turned backwards Invert, and move the left push rod and right push rod forward, the left push rod is close to the left front bracket, the right push rod is close to the right front bracket, the left front bracket is far away from the left bottom rod, and the right front bracket is far away from the right bottom rod At the same time, the bottom bracket and the rear bracket are folded separately so that the size in the transverse direction is reduced, the stroller frame is folded and the folded volume is smaller, the stroller frame has fewer parts and a simple structure.

Description of drawings

Accompanying drawing 1 is the perspective view of the present utility model (cart frame is positioned at unfolding position);

Accompanying drawing 2 is the front view of the utility model (the cart frame is positioned at the unfolded position);

Accompanying drawing 3 is the three-dimensional view of the present utility model (cart frame is positioned at the conversion process of unfolded position and folded position);

Accompanying drawing 4 is the front view of the present utility model (the pushcart frame is positioned at the conversion process of unfolded position and folded position);

Accompanying drawing 5 is the perspective view of the present utility model (cart frame is positioned at folding position);

Accompanying drawing 6 is the front view of the utility model (the cart frame is positioned under the folded position).

Among them: 1. Cart frame; 2. Left bottom bar; 3. Right bottom bar; 4. Left front bracket; 5. Right front bracket; 6. Left push rod; 7. Right push rod; 8. Bottom support frame; 9 1, the rear support frame; 10, the first rear support rod; 11, the second rear support rod; 12, the first revolving joint; 13, the second revolving joint; 14, the third revolving joint; 15, the fourth revolving joint; 16 , the first bottom support rod; 17, the second bottom support rod; 18, the fifth rotating joint; 19, the sixth rotating joint; 20, the seventh rotating joint; 21, the eighth rotating joint; 22, the push handle; 23, 24, left front wheel assembly; 25, right front wheel assembly; 26, left rear wheel assembly; 27, right rear wheel assembly.

Detailed ways

As shown in the accompanying drawings, a stroller for children includes a stroller frame 1 with an unfolded position and a folded position, a front wheel assembly arranged at the front and lower side of the stroller frame 1, and a front wheel assembly arranged at the front and lower side of the stroller The rear wheel assembly at the rear and lower part of the cart frame 1, and the locking mechanism for locking the cart frame 1 in the unfolded position are not shown in the figure. The baby stroller also includes a seat mechanism for children to sit or lie on. Described cart frame 1 includes

The left bottom bar 2, the left bottom bar 2 is located at the lower left side of the cart frame 1, and the length direction of the left bottom bar 2 extends along the front-to-back direction;

The right bottom bar 3, the right bottom bar 3 is located at the lower right side of the cart frame 1, and the length direction of the right bottom bar 3 extends along the front-to-back direction;

The left front bracket 4, the lower end of the left front bracket 4 is rotatably connected to the front end of the left bottom bar 2;

Right front bracket 5, the lower end of the right front bracket 5 is rotatably connected to the front end of the right bottom bar 3;

Left push rod 6, the lower part of the left push rod 6 is rotationally connected with the upper end of the left front bracket 4;

Right push rod 7, the lower part of the right push rod 7 is rotationally connected with the upper end of the right front bracket 5;

As shown in accompanying drawing 1, accompanying drawing 3, accompanying drawing 6, the bottom support frame 8 that can be folded horizontally, the described bottom support frame 8 is arranged on the described left bottom bar 2, the described right bottom bar 3, the Between the left front bracket 4 and the right front bracket 5, the bottom bracket 8 includes a first bottom brace 16 and a second bottom brace 17, and the first bottom brace 16 is connected to the bottom brace 17. The second bottom stays 17 intersect and are rotatably connected at the intersections. The front end of the first bottom brace 16 and the bottom of the left front bracket 4 are rotatably arranged through the fifth pivot joint 18, and the rear end of the first bottom brace 16 is connected to the right The rear part of the bottom bar 3 is set to rotate through the eighth pivot joint 21, and the front end of the second bottom support bar 17 and the lower part of the right front bracket 5 are set to rotate through the sixth pivot joint 19. The rear end portion of the second bottom brace 17 and the left bottom rod 2 are rotatably arranged through the seventh pivot joint 20 . Not shown in the figure, the left bottom bar 2 includes a left bottom bar body, a left sliding sleeve that is slidably arranged along its length direction, and the right bottom bar 3 includes a right bottom bar body, a right sliding sleeve that is slidably arranged along its length direction, and the bottom support bar is set Between the left sliding sleeve, the right sliding sleeve, the left bottom bar body and the right bottom bar body.

As shown in accompanying drawing 1, accompanying drawing 3, accompanying drawing 6, the rear bracket 9 that can be folded horizontally, described rear bracket 9 is arranged on described left push rod 6, described right push rod 7, the described Between the left bottom bar 2 and the right bottom bar 3, the rear support frame 9 includes a first rear support bar 10, intersects with the first rear support bar 10 and is rotatably connected in the middle The second rear strut 11, the upper end of the first rear strut 10 and the left push rod 6 are arranged to rotate through the first rotating joint 12, the lower end of the first rear strut 10 part and the rear part of the right bottom bar 3 are rotatably arranged through the fourth rotary joint 15, and the upper end of the second rear strut 11 is connected with the right push rod 7 through the second rotary joint 13 Set in rotation, the lower end of the second rear strut 11 and the rear of the left bottom bar 2 are set in rotation through the third rotating joint 14 .

As shown in accompanying drawing 1, accompanying drawing 3, accompanying drawing 6, described stroller frame 1 also comprises push handle 22 that can fold horizontally, and described push handle 22 is arranged on the upper end of described left push rod 6 part and the upper end of the right push rod 7. The push handle 22 includes a push handle left rod whose left end is rotationally connected with the upper end of the left push rod 6, a push handle right rod whose right end is rotationally connected with the upper end of the right push rod 7, The two ends are respectively connected to the push handle left rod and the push handle right rod in a rotational manner.

As shown in accompanying drawing 3 and accompanying drawing 6, described stroller frame 1 also comprises the pedal 23 that can be folded laterally, and described pedal 23 is arranged between described left front bracket 4 and described right front bracket 5 , or arranged between the front part of the left bottom bar 2 and the front part of the right bottom bar 3 . Pedal 23 comprises the pedal left lever that the left end portion is rotationally connected with the lower end portion of described left front bracket 4, the pedal right lever that the right end portion is rotationally connected with the lower end portion of described right front bracket 5, two ends are respectively connected with The pedal middle rod which is rotationally connected to the left pedal rod and the right pedal rod.

As shown in the accompanying drawings, between the rotation axis between the left front bracket 4 and the left push rod 6 and the rotation axis between the first rotating joint 12 and the left push rod 6 The distance is less than the distance between the rotation axis between the left front bracket 4 and the left bottom bar 2 and the rotation axis between the third rotating joint 14 and the left bottom bar 2;

The distance between the rotation axis between the right front bracket 5 and the right push rod 7 and the rotation axis between the second rotation joint 13 and the right push rod 7 is less than the The distance between the rotation axis between the right front bracket 5 and the right bottom bar 3 and the rotation axis between the fourth pivot joint 15 and the right bottom bar 3 .

As shown in the drawings, the front wheel assembly includes a left front wheel assembly 24 and a right front wheel assembly 25, the left front wheel assembly 24 is arranged on the front end of the left bottom bar 2, the The right front wheel assembly 25 is arranged on the front end of the right bottom bar 3; the described rear wheel assembly includes a left rear wheel assembly 26 and a right rear wheel assembly 27, and the left rear wheel assembly 26 is arranged on the described At the rear end of the left bottom bar 2 , the right rear wheel assembly 27 is arranged at the rear end of the right bottom bar 3 .

The locking mechanism includes a left locking mechanism and a right locking mechanism, the left locking mechanism is arranged between the left front bracket 4 and the left push rod 6, and the right locking mechanism is arranged in the Between the right front bracket 5 and the described right push rod 7. As shown in accompanying drawing 3, left front bracket 4 comprises left connecting rod, the left front bracket body that upper end is fixedly connected with the lower end of described left connecting rod, and the upper end of described left connecting rod is connected with described left push rod 6 phases are rotationally connected, the left locking mechanism includes a left locking hole opened on the upper part of the left front bracket body, and a left spring pin arranged at the lower end of the left push rod 6; the right front bracket 5 includes Right connecting rod, the right front bracket body whose upper end is fixedly connected with the lower end of the right connecting rod, the upper end of the right connecting rod is rotatably connected with the right push rod 7, and the right locking The mechanism includes a right lock hole opened on the upper part of the right front bracket 5 body, and a right spring pin arranged at the lower end of the right push rod 7 .

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (10)

1. A stroller for children, comprising a stroller frame (1) with an unfolded position and a folded position, a front wheel assembly arranged on the front and lower side of the stroller frame (1), and a front wheel assembly arranged on the stroller frame (1). The rear wheel assembly at the rear and lower part of the frame (1), and the locking mechanism for locking the cart frame (1) in the unfolded position, are characterized in that: the cart frame (1) includes The left bottom bar (2), the left bottom bar (2) is located at the lower left side of the cart frame (1), and the length direction of the left bottom bar (2) extends along the front-to-back direction; The right bottom bar (3), the right bottom bar (3) is located at the lower right side of the cart frame (1), and the length direction of the right bottom bar (3) extends along the front-to-back direction; A left front bracket (4), the lower end of the left front bracket (4) is rotatably connected to the front end of the left bottom bar (2); a right front bracket (5), the lower end of the right front bracket (5) is rotatably connected to the front end of the right bottom bar (3); A left push rod (6), the lower part of the left push rod (6) is rotationally connected with the upper end of the left front bracket (4); A right push rod (7), the lower part of the right push rod (7) is rotationally connected with the upper end of the right front bracket (5); A bottom bracket (8) that can be folded horizontally, the bottom bracket (8) is arranged between the left bottom bar (2), the right bottom bar (3) or the bottom bracket (8) set between the left bottom bar (2), the right bottom bar (3), the left front bracket (4), and the right front bracket (5); A rear bracket (9) that can be folded horizontally, the rear bracket (9) is arranged on the left push rod (6), the right push rod (7), the left bottom rod (2 ), said right bottom bar (3), said rear brace (9) includes a first rear brace (10), intersects with said first rear brace (10) and is in the middle The second rear strut (11) that is rotatably connected, the upper end of the first rear strut (10) and the left push rod (6) are rotatably set through the first rotary joint (12), The lower end of the first rear strut (10) and the right bottom bar (3) are rotatably arranged through the fourth rotating joint (15), and the upper end of the second rear strut (11) part and the said right push rod (7) through the second rotary joint (13), and the lower end of the said second rear strut (11) and the said left bottom bar (2) pass through the second The three revolving joints (14) are arranged in a phase-rotating manner. 2. The children's stroller according to claim 1, characterized in that: said bottom brace (8) comprises a first bottom brace (16) and a second bottom brace (17), said first bottom brace (17) The bottom brace (16) intersects with the second bottom brace (17) and is rotatably connected at the intersection. 3. The children's stroller according to claim 2, characterized in that: the front end of the first bottom support rod (16) and the left front bracket (4) rotate through the fifth rotating joint (18) The rear end of the first bottom support rod (16) and the rear part of the right bottom rod (3) are set to rotate through the eighth rotation joint (21), and the second bottom The front end of the strut (17) is rotatably arranged with the said right front bracket (5) through the sixth pivot joint (19), and the rear end of the second bottom strut (17) is connected with the left The bottom bar (2) is rotatably arranged through the seventh rotary joint (20). 4. The children's stroller according to claim 3, characterized in that: the front end of the first bottom support rod (16) and the lower part of the left front bracket (4) pass through the fifth rotating joint (18) are arranged to rotate relative to each other, and the front end of the second bottom brace (17) and the lower part of the right front bracket (5) are arranged to rotate through the sixth rotating joint (19). 5. The children's stroller according to claim 1, characterized in that: said stroller frame (1) further comprises a horizontally foldable push handle (22), and said push handle (22) is arranged on said push handle (22). between the upper end of the left push rod (6) and the upper end of the right push rod (7). 6. The children's stroller according to claim 1, characterized in that: said stroller frame (1) also includes a horizontally foldable pedal (23), and said pedal (23) is arranged on said It is arranged between the left front bracket (4) and the right front bracket (5), or between the front part of the left bottom bar (2) and the front part of the right bottom bar (3). 7. The children's stroller according to claim 1, characterized in that: said locking mechanism comprises a left locking mechanism and a right locking mechanism, and said left locking mechanism is arranged on said left front bracket (4) and said Between the left push rod (6), the right locking mechanism is arranged between the right front bracket (5) and the right push rod (7). 8. The stroller for children according to claim 1, characterized in that: the rotation axis between the left front bracket (4) and the left push rod (6) and the first rotation joint (12 ) and the rotation axis between the left push rod (6) is smaller than the rotation axis between the left front bracket (4) and the left bottom rod (2) and the first The distance between the three rotating joints (14) and the rotating shaft between the left bottom bar (2); Between the axis of rotation between the said right front bracket (5) and the said right push rod (7) and the axis of rotation between the second pivot joint (13) and the said right push rod (7) The distance between the right front bracket (5) and the right bottom bar (3) is smaller than the rotation axis between the fourth pivot joint (15) and the right bottom bar (3) The distance between the axes of rotation. 9. The children's stroller according to claim 1, characterized in that: the lower end of the first rear support rod (10) and the rear part of the right bottom rod (3) pass through the fourth The swivel joint (15) is rotatably arranged, and the lower end of the second rear strut (11) and the rear part of the left bottom bar (2) are rotated through the third swivel joint (14) ground setting. 10. The stroller according to claim 1, characterized in that: said front wheel assembly comprises a left front wheel assembly (24), a right front wheel assembly (25), said left front wheel assembly (24) Set on the front end of the left bottom bar (2), the right front wheel assembly (25) is set on the front end of the right bottom bar (3); the rear wheel assembly includes the left rear wheel assembly (26), right rear wheel assembly (27), the left rear wheel assembly (26) is set at the rear end of the left bottom bar (2), and the right rear wheel assembly (27) is set on the rear end of the right bottom bar (3). the

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