CN101624060A - Trolley for children - Google Patents

Abstract

A stroller for children, the stroller frame comprising: a front wheel bracket, a rear wheel bracket whose lower end is rotatably connected to the rear end of the front wheel bracket, and a push rod whose front end is rotatably connected to the upper end of the rear wheel bracket , the sliding member arranged on the rear wheel bracket to slide along the up and down direction of the rear wheel bracket, one end is connected to the rear wheel bracket strut in rotation with the front part of the front wheel bracket, and one end is rotated with the front part of the push rod The push rod strut that is ground-connected, the other end of the rear wheel support strut is rotatably connected with the slider, and the other end of the push rod stay is also rotatably connected with the slide. When the cart frame is locked in the unfolded position, the push rod, the rear wheel bracket and the push rod strut form a triangle, and the front wheel bracket, the rear wheel bracket and the rear wheel bracket strut form a triangle, so the cart frame is in the unfolded position The rigidity of the cart is strong, and the cart frame has fewer rods and a simple shape.

Description

stroller

technical field

The invention relates to a stroller for children.

Background technique

The children's stroller in the prior art includes a stroller frame, a front wheel assembly arranged at the bottom front of the stroller frame, and a rear wheel assembly arranged at the bottom rear of the stroller frame. There are many structures of cart frames, and some cart frames have more rods, and the manufacturing cost is relatively high.

Contents of the invention

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

To solve the above-mentioned 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, and front wheels arranged at the front bottom of the stroller frame Components, the rear wheel assembly arranged at the bottom rear part of the cart frame, the locking mechanism arranged on the cart frame and capable of locking the cart frame in the unfolded position, the Cart frame includes:

front wheel bracket;

a rear wheel bracket, the lower end of the rear wheel bracket is rotatably connected to the rear end of the front wheel bracket;

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

a sliding piece, the sliding piece is arranged on the rear wheel support so as to slide along the up and down direction of the rear wheel support;

A rear wheel support strut, one end of the rear wheel support strut is rotationally connected to the front part of the front wheel support, and the other end of the rear wheel support strut is connected to the sliding member connected in rotation;

A push rod stay, one end of the push rod stay is rotatably connected to the front part of the push rod, and the other end of the push rod stay is rotatably connected to the slider .

The structure and position of the locking mechanism are not limited, as long as the locking mechanism can lock the two related components, it can be used. Locking mechanisms can be used at the rotational joints of the push rod and the rear wheel bracket, or the rotational joints of the push rod and the push rod strut.

After the locking mechanism is unlocked, the rear part of the push rod is folded backward and downward, and the sliding member slides down along the rear wheel bracket through the push rod strut, and simultaneously the push rod and The rear wheel brackets are folded, and the other end of the rear wheel bracket strut slides down along the rear wheel bracket due to the action of the sliding member, so that the rear wheel The support is folded with the said front wheel support.

In some embodiments, the other end of the push rod strut, the slider, and the other end of the rear wheel support strut are connected with the same axis for rotation.

In some embodiments, the rotational connection between one end of the push rod strut and the front part of the push rod is located at the lower end of the push rod and the upper end of the rear wheel bracket. above the rotational connection.

In some embodiments, a guide groove is provided in the up and down direction along the rear wheel bracket, the width of the inner chamber of the guide groove is larger than the width of the notch, and at least The part is relatively coincidently located in the inner cavity of the guide groove. When viewed from the outside, no sliding parts can be seen on the rear wheel bracket, so the shape is relatively simple.

In some embodiments, the cart frame includes side brackets on both sides, a cross frame connected between the side brackets on both sides, and each side bracket includes the side brackets Described front wheel support, described rear wheel support, described push rod, described slide member, rear wheel support strut, described push rod strut.

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 use of the above-mentioned technical solutions, the present invention has the following advantages compared with the prior art: when the locking mechanism locks the cart frame in the unfolded position, the push rod, the rear wheel bracket and the push rod The struts form a triangle, and the front wheel bracket, the rear wheel bracket and the rear wheel bracket struts form a triangle, so the rigidity of the cart frame is relatively strong in the unfolded position, and the cart frame Fewer rods, simple shape.

Description of drawings

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

Accompanying drawing 2 is the right side view of the present invention (cart frame is under the expanded position);

Accompanying drawing 3 is the three-dimensional view of the present invention (cart frame is in the conversion process of expanded position and folded position);

Accompanying drawing 4 is the perspective view of the present invention (cart frame is under the folded position);

Accompanying drawing 5 is the front view of the present invention (cart frame is under the deployed position);

Accompanying drawing 6 is the A-A direction sectional view of accompanying drawing 5 (cart frame is under the deployed position);

Accompanying drawing 7 is the A-A direction sectional view of accompanying drawing 5 (the pushcart frame is in the conversion process of expanded position and folded position);

Accompanying drawing 8 is the sectional view of A-A direction of accompanying drawing 5 (the cart frame is under the folded position).

Among them: 1. Push rod; 2. Rear wheel bracket brace; 3. Push rod brace; 4. Front wheel bracket; 5. Slider; 6. Rear wheel bracket; 7. Guide groove; 10. Cart frame ; 11, the front wheel assembly; 12, the rear wheel assembly.

Detailed ways

As shown in the accompanying drawings, a children's stroller includes a stroller frame 10 with an unfolded position and a folded position, a front wheel assembly 11 arranged at the bottom front of the stroller frame 10, and a front wheel assembly 11 arranged at the bottom of the stroller frame 10. The rear wheel assembly 12 at the bottom rear of the cart frame 10, the locking mechanism that is arranged on the cart frame 10 and can lock the cart frame 10 in the unfolded position, the cart The frame 10 includes:

Front wheel bracket 4;

rear wheel bracket 6, the lower end of the rear wheel bracket 6 is rotatably connected to the rear end of the front wheel bracket 4;

A push rod 1, the front end of the push rod 1 is rotatably connected to the upper end of the rear wheel bracket 6;

The sliding member 5, the sliding member 5 is slidably arranged on the rear wheel support 6 along the up and down direction of the rear wheel support 6;

Rear wheel support strut 2, one end of said rear wheel support strut 2 is rotationally connected to the front part of said front wheel support 4, the other end of said rear wheel support strut 2 is connected to said front wheel support 4 The sliding member 5 described above is rotationally connected;

A push rod stay 3, one end of the push rod stay 3 is rotatably connected to the front part of the push rod 1, and the other end of the push rod stay 3 is connected to the slider 5 phases are rotationally connected.

As shown in accompanying drawing 1, accompanying drawing 3, accompanying drawing 4, accompanying drawing 6-accompanying drawing 8, the other end of described push rod strut 3, described sliding member 5, described rear wheel support The other end of the rod 2 is rotatably connected with the same axis.

The rotation joint between one end of the push rod stay 3 and the front part of the push rod 1 is located at the rotational position between the lower end of the push rod 1 and the upper end of the rear wheel bracket 6. top rear of the connection.

As shown in accompanying drawing 1-accompanying drawing 4, have guide groove 7 on the up-down direction along described rear wheel support 6, described guide groove is special-shaped groove, the up-down direction of described rear wheel support 6 That is, in the longitudinal direction of the rear wheel bracket 6, the width dimension of the inner cavity of the guide groove 7 is larger than the width dimension of the notch, and the part of the sliding member 5 is relatively coincidently located in the inner cavity of the guide groove 7 , and the part of the slider 5 is located in the notch of the guide groove 7 . When the rear wheel bracket 6 is used as a separate rod, the sliding member 5 can and can only withdraw from the two ends of the guide groove 7, and when the rear wheel bracket 6 is used as a part of the cart frame 10, the Said slide member 5 just can not be taken off from rear wheel support 6. The sliding part can also be a sleeve, which can be slidably sleeved on the rear wheel bracket.

As shown in accompanying drawing 1-accompanying drawing 4, described trolley vehicle frame 10 comprises the side frame that is positioned at two sides, is connected the horizontal frame between described side frame of both sides, each side described Side support all comprises described front wheel support 4, described rear wheel support 6, described push rod 1, described slide member 5, rear wheel support strut 2, described push rod strut 3. The front end of the front wheel bracket 4 on each side is provided with a front wheel assembly 11, and the lower end of the rear wheel bracket 6 on each side is provided with a rear wheel assembly 12, which constitutes a children's stroller with four wheel assemblies.

It can also be a children's stroller with three wheel assemblies, but the shape is different and there is no picture. For example, the cart frame includes side brackets positioned at both sides, and a front wheel bracket positioned between the side brackets on both sides, and the side brackets on each side include the rear wheel bracket, the push rod, the Described sliding member, rear wheel support strut, described push rod strut. And the connecting relation between described front wheel support, described rear wheel support, described push rod, described sliding part, rear wheel support strut, described push rod strut is then the same.

The push rod 1 is a telescopic rod with an expandable length.

The orientation words such as front, rear, upper, and lower involved in the above are defined when the cart frame 10 is in the unfolded position, and the position where the front wheel assembly is located is the front, and the position where the rear wheel assembly is located is the rear. The position where the push rod is located is up.

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 (5)

1, a kind of children trolley, comprise go-cart vehicle frame (10), the front component (11) that is arranged on described go-cart vehicle frame (10) front portion, the end, the wheel assembly (12) that is arranged on described go-cart vehicle frame (10) rear portion, the end with expanded position and folding position, be arranged at the lockout mechanism that expanded position was gone up and described go-cart vehicle frame (10) can be locked in to described go-cart vehicle frame (10), it is characterized in that: described go-cart vehicle frame (10) comprising: front-wheel support (4);

Rear wheel support (6), the bottom of described rear wheel support (6) is connected rotatedly with the rearward end of described front-wheel support (4);

Push rod (1), the leading section of described push rod (1) is connected rotatedly with the upper end of described rear wheel support (6);

Sliding part (5), described sliding part (5) is slidingly arranged on the described rear wheel support (6) along the above-below direction of described rear wheel support (6);

Rear wheel support strut (2), an end of described rear wheel support strut (2) is connected rotatedly with the front portion of described front-wheel support (4), and the other end of described rear wheel support strut (2) is connected rotatedly with described sliding part (5);

Push rod strut (3), an end of described push rod strut (3) is connected rotatedly with the front portion of described push rod (1), and the other end of described push rod strut (3) is connected rotatedly with described sliding part (5).

2, children trolley according to claim 1 is characterized in that: the other end same axis of the other end of described push rod strut (3), described sliding part (5), described rear wheel support strut (2) is rotationally connected.

3, children trolley according to claim 1, it is characterized in that: the place that is rotationally connected of the front portion of an end of described push rod strut (3) and described push rod (1) is positioned at the top of junction rotationally of the upper end of the bottom of described push rod (1) and described rear wheel support (6).

4, children trolley according to claim 1, it is characterized in that: on the above-below direction of described rear wheel support (6), having guide groove (7), the width dimensions of the inner chamber of described guide groove (7) is greater than the width dimensions of notch, described sliding part (5) be positioned at the inner chamber of described guide groove (7) to small part relatively identically.

5, children trolley according to claim 1, it is characterized in that: described go-cart vehicle frame (10) comprises the side stand that is positioned at both sides, be connected the crossbearer between the described side stand of both sides, the described side stand of every side all comprises described front-wheel support (4), described rear wheel support (6), described push rod (1), described sliding part (5), rear wheel support strut (2), described push rod strut (3).

Images