CN101665116B - Baby carriage - Google Patents

Abstract

A stroller, comprising a cart frame, a front wheel assembly arranged at the bottom front of the cart frame, a rear wheel assembly arranged at the bottom rear of the cart frame, the push cart The vehicle frame includes a first rod, a second rod whose upper end is rotatably connected to the first rod, and the first rod includes: a lower rod, a push handle located above the lower rod The body, one end of the push handle body is rotatably connected to the upper end of the second rod. The present invention provides a technical solution of another technical concept of setting the push handle body, the push handle body has better rigidity, is easy to control the whole vehicle, and has a more beautiful appearance.

Description

stroller

technical field

The invention relates to a baby carriage.

Background technique

The stroller in the prior art includes: a cart frame, a front wheel assembly arranged at the bottom front of the cart frame, a rear wheel assembly arranged at the bottom rear of the cart frame, As shown in Figure 7, the cart frame includes a front frame 41, a rear frame 42 that is rotatably connected to the front frame 41 at one end, and a push handle that is fixedly connected to the upper end of the front frame 41 at one end. The main body 40, the other end of the push handle main body 40 is suspended.

Contents of the invention

The technical problem to be solved by the present invention is to provide a stroller.

To solve the above-mentioned technical problems, a technical solution adopted by the present invention is: a stroller, comprising a stroller frame with an unfolded position and a folded position, and a front wheel assembly arranged at the bottom front of the stroller frame , a rear wheel assembly arranged at the bottom rear of the cart frame, a locking mechanism for locking the cart frame in an unfolded position, the cart frame includes a first rod, a second rod whose upper end is rotatably connected to the first rod, and the first rod includes: a lower rod, a push handle body located above the lower rod, and the push handle body One end is rotatably connected to the upper end of the second rod, and the other end of the push handle body is fixedly connected to the upper end of the lower rod. The push handle body, the lower rod, and the second rod can form a set of push handle body connection structures, which are located in the middle between the two sides of the cart frame, or can be Two groups of push handle body connection structures are formed, which are respectively located on both sides of the cart frame. The fixed connection can be welded, screwed or the like. It is also possible that the push handle body and the lower rod are integrally formed.

In some embodiments, the push handle body may be curved to form a space inside it. The user's hand passes through the space, so as to facilitate the user to grasp the push handle body.

In some embodiments, the push handle body may be an annular body with an opening. It can also be a heart-shaped body with an opening, a triangular body, etc.

In some embodiments, the lower rod may be a rear wheel bracket, and the second rod may be a front strut.

In some embodiments, the push handle body may include a first push handle body and a second push handle body, and the second rod may include a first second rod and a second second rod, The lower rod includes a first lower rod and a second lower rod, one end of the first push handle body is rotatably connected to the upper end of the first and second rod, the The other end of the first push handle body is fixedly connected to the upper end of the first lower rod, and one end of the second push handle body is connected to the upper end of the second second rod. parts are rotationally connected, and the other end of the second push handle body is fixedly connected with the upper end of the second lower rod.

In some embodiments, the stroller frame may further include:

a first front wheel bracket, the upper end of the first front wheel bracket is rotationally connected to the lower end of the first and second rods;

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

The first seat post, the front part of the first seat post is rotatably connected with the first front wheel bracket, and the rear end part of the first seat post is connected with the first lower bar. rotationally connected;

The second seat post, the front part of the second seat post is rotatably connected with the second front wheel bracket, and the rear end part of the second seat post is connected with the second lower bar. rotationally connected;

A foldable bottom brace, the bottom brace is formed by crossing the first bottom brace and the second bottom brace and being rotatably connected at the intersection, the front end of the first bottom brace It is arranged to rotate with the second front wheel bracket, the rear end of the first bottom brace is arranged to rotate with the first lower rod, and the front end of the second bottom brace The part is set to rotate with the first front wheel bracket, the rear end of the second bottom brace is set to rotate with the second lower bar; the foldable rear support, the The rear brace is arranged between the first lower rod and the second lower rod.

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: the present invention provides a technical solution of another technical concept of setting the push handle body, the push handle body has better rigidity, is easy to control the whole vehicle, and has a more beautiful.

Description of drawings

Accompanying drawing 1 is the perspective view of the cart frame of the present invention (the cart frame is in the unfolded position);

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

Accompanying drawing 3 is the perspective view of the cart frame of the present invention (the cart frame is in the folded position);

Accompanying drawing 4 is the front view of the cart frame of the present invention (the cart frame is in the unfolded position);

Accompanying drawing 5 is the front view of the cart frame of the present invention (the cart frame is in the conversion process of the unfolded position and the folded position);

Accompanying drawing 6 is the front view of the cart frame of the present invention (the cart frame is in a folded position);

Accompanying drawing 7 is the structure diagram of prior art.

Among them: 1. The first push handle body; 2. The first and second rods; 3. The first lower rod; 4. The first front wheel bracket; 7. The second push handle body; 8. The second and second rods 9, the second lower bar; 10, the second front wheel bracket; 14, the first bottom stay; 15, the second bottom stay; 16, the first seat post; 17, the second seat post; 18, Rear support frame; 19, operating parts; 20, first cross bar; 21, second cross bar; 23, slider; 24, first slanting bar; 25, second slanting bar; 26, vertical bar; 27, lower Support block; 28, first bottom bar; 29, second bottom bar; 30, bottom support frame; 31, first space; 32, second space; 40, push handle body; 41, front frame; 42, rear frame .

Detailed ways

As shown in accompanying drawing 1-accompanying drawing 6, a kind of stroller, comprises the stroller frame that has expanded position and folded position, the front wheel assembly that is arranged at the bottom front part of described stroller frame, is arranged at described The rear wheel assembly at the bottom rear of the stroller frame, and the locking mechanism for locking the stroller frame in the unfolded position. The front wheel assembly includes a first front wheel assembly and a second front wheel assembly; the rear wheel assembly includes a first rear wheel assembly and a second rear wheel assembly.

The cart frame includes a first rod and a second rod whose upper end is rotatably connected to the first rod, and the first rod includes: a lower rod, a The upper push handle body, one end of the push handle body is rotatably connected to the upper end of the second rod, and the above structure constitutes a push handle body connection structure. As shown in accompanying drawings 1 to 6, this embodiment has two groups of push handle body connection structures, which are respectively located on both sides of the cart frame. That is: the push handle body includes the first push handle body 1 and the second push handle body 7, the second bar includes the first second bar 2 and the second second bar 8, and the The lower rod includes a first lower rod 3 and a second lower rod 9, one end of the first push handle body 1 is rotatably connected to the upper end of the first and second rod 2, so The other end of the first push handle body 1 is fixedly connected to the upper end of the first lower rod 3, and one end of the second push handle body 7 is connected to the second second rod 8 The upper end of the second push handle body 7 is connected in a rotational manner, and the other end of the second push handle body 7 is fixedly connected with the upper end of the second lower rod 9 .

The lower rod is a rear wheel bracket, and the second rod is a front strut. The first and second rods 2 are the first front struts, and the second second rods 8 are the second front struts; the first lower rods 3 are the first rear wheel bracket, and the second lower rods 9 For the second rear wheel bracket. The first front wheel assembly is arranged at the bottom of the first front wheel bracket 4, the second front wheel assembly is arranged at the bottom of the second front wheel bracket 10, and the first rear wheel assembly is arranged at the bottom of the second front wheel bracket 10. The wheel assembly is arranged at the lower part of the first lower rod 3 , and the second rear wheel assembly is arranged at the lower part of the second lower rod 9 .

The push handle body is curved and forms a space inside it. As shown in accompanying drawings 1-3, the first push handle body 1 is bent and forms a first space 31 inside; the second push handle body 7 is bent and forms a second space 32 inside.

As shown in the drawings, both the first push handle body 1 and the second push handle body 7 are annular bodies with openings.

The other end of the first push handle body 1 is fixedly connected to the upper end of the first lower rod 3 through rivets. The other end of the second push handle body 7 is fixedly connected to the upper end of the second lower rod 9 through rivets respectively.

The cart frame also includes:

A first front wheel bracket 4, the upper end of the first front wheel bracket 4 is rotatably connected to the lower end of the first and second rods 2;

The second front wheel bracket 10, the upper end of the second front wheel bracket 10 is rotationally connected with the lower end of the second second bar 8;

The first seat post 16, the front part of the first seat post 16 is rotationally connected with the first front wheel bracket 4, the rear end of the first seat post 16 is connected with the first The lower rod 3 is rotationally connected;

The second seat post 17, the front part of the second seat post 17 is rotationally connected with the second front wheel bracket 10, the rear end of the second seat post 17 is connected with the second The lower rod 9 is connected in rotation;

A foldable bottom brace 30, the bottom brace 30 is formed by intersecting the first bottom brace 14 and the second bottom brace 15 and being rotatably connected at the intersection, the first bottom brace The front end of the rod 14 and the second front wheel bracket 10 are arranged to rotate through the first rotation joint, and the rear end of the first bottom stay 14 and the first lower rod 3 pass through the first rotation joint. The two rotating joints are arranged to be rotated, and the front end of the second bottom brace 15 is arranged to rotate with the first front wheel bracket 4 through the third rotating joint, and the front end of the second bottom brace 15 The rear end is arranged to rotate with the second lower rod 9 through the fourth rotary joint;

A foldable rear support frame 18 , the rear support frame 18 is arranged between the first lower rod member 3 and the second lower rod member 9 .

As shown in Figures 1-3, the rear bracket 18 includes: an operating part 19, a first cross bar 20 that is rotatably connected to the operating part 19 at one end, and rotatably connected to the operating part 19 at one end. The second cross bar 21, the other end of the first cross bar 20 is rotatably connected with the first lower bar 3, and the other end of the second cross bar 21 is connected with the second lower bar 9 swivel connection,

Described back brace 18 also comprises:

A vertical rod 26, one end of the vertical rod 26 is fixedly connected with the operating part 19, and the other end of the vertical rod 26 is fixedly connected with a lower support block 27;

The slider 23, the slider 23 is slidably arranged on the vertical bar 26, and is located between the operating part 19 and the lower support block 27;

The first slanting rod 24, one end of the first slanting rod 24 is rotatably connected to the slider 23, and the other end of the first slanting rod 24 is rotatably connected to the first lower bar 3;

The second slanting rod 25, one end of the second slanting rod 25 is rotatably connected with the slider 23, and the other end of the second slanting rod 25 is rotatably connected with the second lower rod 9 ;

The first bottom bar 28, one end of the first bottom bar 28 is rotatably connected to the lower support block 27, and the other end of the first bottom bar 28 is rotatably connected to the first lower bar 3;

The second bottom rod 29 , one end of the second bottom rod 29 is rotatably connected to the lower support block 27 , and the other end of the second bottom rod 29 is rotatably connected to the second lower rod member 9 .

The rear brace can also be another structure, such as the rear brace is intersected by two rods and connected in rotation at the intersection, sliding on the first lower rod 3 and the second lower rod 9 respectively The first sliding sleeve and the second sliding sleeve are provided, and the four ends of the rear bracket can be rotatably arranged on the first lower rod member 3, the second lower rod member 9, and the second lower rod member. Between a sliding sleeve and the second sliding sleeve.

In some implementations, the baby stroller can have two positions: unfolded and folded. When the children’s stroller is in the unfolded position, the operating part 19 is close to the slider 23 above it, so The first cross bar 20 and the second cross bar 21 are at the same horizontal position, and the first bottom bar 28 is at the same horizontal position as the second bottom bar 29, thereby also playing the role of locking the stroller frame in the Expand the function of location. That is, the rear support also constitutes the locking mechanism at the same time. When the stroller is in the folded position, the operating part 19 is separated from the slider 23 .

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. A stroller, comprising a cart frame with an unfolded position and a folded position, a front wheel assembly arranged at the bottom front of the cart frame, and a rear wheel assembly arranged at the bottom rear of the cart frame rear wheel assembly, a locking mechanism for locking the cart frame in the unfolded position, the cart frame includes a first rod, a second rod whose upper end is rotatably connected to the first rod Two rods, characterized in that: the first rod includes: a lower rod, a push handle body located above the lower rod, one end of the push handle body and the second rod The upper end is rotatably connected, and the other end of the push handle body is fixedly connected with the upper end of the lower rod. 2. The stroller according to claim 1, characterized in that: the push handle body is curved and forms a space inside it. 3. The stroller according to claim 1, characterized in that: the handle body is an annular body with an opening. 4. The stroller according to claim 1, wherein the lower bar is a rear wheel bracket, and the second bar is a front strut. 5. The stroller according to any one of the preceding claims, characterized in that: the push handle body includes a first push handle body (1) and a second push handle body (7), and the second rod Including first and second rods (2) and second second rods (8), said lower rods include first lower rods (3), second lower rods (9), said first lower rods One end of a push handle body (1) is rotatably connected to the upper end of the first and second rods (2), and the other end of the first push handle body (1) is connected to the The upper end of the first lower rod (3) is fixedly connected, and one end of the second push handle body (7) is rotationally connected with the upper end of the second second rod (8). , the other end of the second push handle body (7) is fixedly connected to the upper end of the second lower bar (9). 6. The stroller according to claim 5, wherein the stroller frame further comprises: a first front wheel bracket (4), the upper end of the first front wheel bracket (4) is rotatably connected to the lower end of the first and second rods (2); a second front wheel bracket (10), the upper end of the second front wheel bracket (10) is rotationally connected to the lower end of the second second bar (8); The first seat post (16), the front part of the first seat post (16) is rotationally connected with the first front wheel bracket (4), the rear of the first seat post (16) The end is rotationally connected with the first lower rod (3); The second seat post (17), the front part of the second seat post (17) is rotationally connected with the second front wheel bracket (10), the rear of the second seat post (17) The end is rotationally connected with the second lower rod (9); A foldable bottom brace (30), the bottom brace (30) is composed of a first bottom brace (14) and a second bottom brace (15) that intersect and are rotatably connected at the intersection , the front end of the first bottom brace (14) is set in rotation with the second front wheel bracket (10), the rear end of the first bottom brace (14) is connected to the The first lower bar (3) is set in rotation, the front end of the second bottom support bar (15) is set in rotation with the first front wheel bracket (4), and the second The rear end of the bottom support rod (15) is set to rotate with the second lower rod member (9); A foldable rear support (18), the rear support (18) is arranged between the first lower rod (3) and the second lower rod (9).

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