CN202518307U - Baby carriage - Google Patents

Abstract

A stroller for children, comprising a stroller frame, a left front wheel assembly and a right front wheel assembly, a left rear wheel assembly and a right rear wheel assembly, and a locking mechanism, the stroller frame includes a left bracket, a right bracket, and a connecting frame , the connecting frame includes a bottom brace that can be folded laterally, and the bottom brace includes a first bottom brace, a second bottom brace, a first connecting rod that is rotatably connected with the first bottom brace, and a second bottom brace A second link connected in rotation. By rotating the first connecting rod and the second connecting rod respectively at the first bottom stay and the second bottom stay, when the stroller frame is folded, it can be folded back and forth first, and the left and right width of the stroller frame at this time It can remain unchanged. If the cart frame needs to be further folded, the left side bracket and the right side bracket of the cart frame will be moved closer to each other, so as to achieve the purpose of step-by-step bidirectional folding.

Description

toddler stroller

technical field

The utility model relates to a child stroller.

Background technique

The baby stroller in the prior art includes a stroller frame with an unfolded position and a folded position, a left front wheel assembly and a right front wheel assembly arranged on the front and lower side of the stroller frame, The left rear wheel assembly and the right rear wheel assembly at the rear and lower part of the cart frame, and the locking mechanism for locking the cart frame in the unfolded position, and the cart frame includes linkages on both sides that constitute the linkage mechanism. The left side bracket and the right side bracket, and the horizontally foldable connecting frame connected between the left side bracket and the right side bracket, the connecting frame includes connecting the lower part of the left side bracket and the The bottom brace that can be folded horizontally between the lower parts of the right side bracket, usually the bottom brace includes a first bottom brace, intersects with the first bottom brace and is rotatably connected at the intersection The second bottom brace, one end of the first bottom brace is rotatably connected to the left side bracket through the first rotation joint, the other end of the first bottom brace is connected to the The right side bracket is rotationally connected through the fourth pivot joint, one end of the second bottom brace is rotationally connected with the right side bracket through the second pivot joint, and the second bottom brace The other end of the cart is rotatably connected with the left side bracket through the third pivot joint, and when folded, the cart frame is folded in the front, rear and left and right directions simultaneously.

Utility model content

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

In order to solve the above technical problems, the technical solution adopted by the utility model is: a baby stroller, including a stroller frame with an unfolded position and a folded position, and a left front wheel assembly arranged at the front and lower part of the stroller frame With the right front wheel assembly, the left rear wheel assembly and the right rear wheel assembly arranged at the rear and lower part of the cart frame, and the locking mechanism for locking the cart frame at the unfolded position, the cart The vehicle frame includes a left bracket and a right bracket constituting a linkage mechanism on both sides, and a horizontally foldable connecting frame connected between the left bracket and the right bracket, and the connecting frame It includes a horizontally foldable bottom bracket connected between the lower part of the left bracket and the lower part of the right bracket,

The bottom brace includes a first bottom brace, a second bottom brace that intersects with the first bottom brace and is rotatably connected at the intersection, and an end that is connected to the first bottom brace One end of the first connecting rod is rotationally connected through the first rotating shaft, and one end of the second connecting rod is rotationally connected with the one end of the second bottom support rod through the second rotating shaft. The other end of the connecting rod is set to rotate with the left bracket through the first rotation joint, and the other end of the first bottom support rod is rotated with the right bracket through the fourth rotation joint. Set, the other end of the second connecting rod is set to rotate with the right side bracket through the second rotation joint, and the other end of the second bottom support rod is connected to the said right side bracket through the third rotation joint. The left side bracket is rotatably set.

In some embodiments, the connecting frame further includes a horizontally foldable rear bracket arranged between the left bracket and the right bracket, and the rear bracket is located on the Rear of the bottom bracket.

In some embodiments, the left side bracket includes:

Left front bracket, the left front wheel assembly is arranged under the left front bracket;

The left rear bracket, the upper end of the left rear bracket is rotatably connected to the upper end of the left front bracket, and the left rear wheel assembly is arranged below the left rear bracket;

a left push rod, the left push rod is slidably arranged with the upper end of the left front bracket;

a left seat post, the rear end of the left seat post is rotatably connected to the left rear bracket;

Left swing rod, the lower end of the left swing rod is rotationally connected with the left front bracket, the upper end of the left swing rod, the lower end of the left push rod, the left seat rod Two of the three front ends of the three are rotationally connected, and the other of the three is rotationally connected with at least one of the two;

The right side bracket includes:

Right front bracket, the right front wheel assembly is arranged under the right front bracket;

the right rear bracket, the upper end of the right rear bracket is rotatably connected to the upper end of the right front bracket, and the right rear wheel assembly is arranged below the right rear bracket;

a right push rod, the right push rod is arranged to slide along the upper end of the right front bracket;

a right seat bar, the rear end of the right seat bar is rotatably connected to the right rear bracket;

Right swing rod, the lower end of the right swing rod is rotationally connected with the right front bracket, the upper end of the right swing rod, the lower end of the right push rod, the right seat rod Two of the three front ends of the three are rotatably connected, and the other of the three is rotatably connected to at least one of the two.

In some further embodiments, the front end of the left seat post, the upper end of the left swing link, and the lower end of the left push rod are connected with the same axis for rotation, and the right seat post The front end of the front end, the upper end of the right swing link, and the lower end of the right push rod are connected with the same axis for rotation.

In some further embodiments, the left rear bracket, the third rotating joint, and the rear end of the left seat post are connected to the same axis for rotation, and the right rear bracket, the The fourth revolving joint and the rear end of the right seat post are connected in rotation on the same axis.

In some further embodiments, the baby stroller further includes a horizontally foldable footboard disposed between the left front frame and the right front frame.

In some further embodiments, the locking mechanism includes a left locking mechanism disposed between the left push rod and the left front bracket, a left locking mechanism disposed between the right push rod and the right front bracket between the right locking mechanism.

In some further embodiments, the left push rod is provided with a left limiting part for limiting the sliding position of the left push rod and the left front bracket, and the right push rod is provided with a useful The right limiting part is used to limit the sliding positions of the right push rod and the right front bracket.

In some further embodiments, the upper end of the upper end of the left front bracket has a left sliding sleeve, the left push rod is slidably set with the left sliding sleeve, and the upper end of the right front bracket There is a right sliding sleeve, and the right push rod is slidably arranged with the right sliding sleeve.

The axis directions of the first rotating shaft and the second rotating shaft extend along the up-down direction.

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, a technical solution 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 utility model has the following advantages compared with the prior art: the first connecting rod and the second The connecting rod, when the cart frame is folded, under the action of the first connecting rod and the second connecting rod, the cart frame can only be folded forward and backward. If the cart frame needs to be further folded, the bottom bracket can be folded left and right The cart frame is folded left and right, so as to achieve the purpose of step-by-step bidirectional folding.

Description of drawings

Accompanying drawing 1 is the three-dimensional view one 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 located under the unfolded position);

Accompanying drawing 3 is the three-dimensional view two of the present utility model (cart frame is positioned at unfolding position);

Accompanying drawing 4 is the left side view of the utility model (the cart frame is in the process of converting from the expanded position to the folded position);

Accompanying drawing 5 is the rear view of the present utility model (the cart frame is in the process of transforming from the unfolded position to the folded position);

Accompanying drawing 6 is the left view of the utility model (the cart frame is located in the folded position);

Accompanying drawing 7 is the back view of the utility model (the cart frame is positioned at the folded position).

Among them: 1. Cart frame; 2. Left front wheel assembly; 3. Right front wheel assembly; 4. Left rear wheel assembly; 5. Right rear wheel assembly; 6. Left bracket; 7. Right bracket; 8 , bottom support frame; 9, first bottom support rod; 10, second bottom support rod; 11, first connecting rod; 12, second connecting rod; 13, first rotating shaft; 14, second rotating shaft; 15, the first One revolving joint; 16, the second revolving joint; 17, the third revolving joint; 18, the fourth revolving joint; 19, the left front support; 20, the left rear support; 21, the left push rod; 22, the left seat rod; 23, Left swing bar; 24, right front bracket; 25, right rear bracket; 26, right push rod; 27, right seat bar; 28, right swing bar; ; 32, the right limit part.

Detailed ways

As shown in the accompanying drawings, a baby stroller includes a stroller frame 1 with an unfolded position and a folded position, a left front wheel assembly 2 and a right front wheel assembly arranged at the front and lower side of the stroller frame 1. The wheel assembly 3, the left rear wheel assembly 4 and the right rear wheel assembly 5 arranged on the rear and lower side of the cart frame 1, the locking mechanism for locking the cart frame 1 in the unfolded position, the The cart frame 1 includes a left side bracket 6 and a right side bracket 7 constituting a linkage mechanism on both sides, and a horizontally foldable connection between the left side bracket 6 and the right side bracket 7 . frame, the connecting frame includes a horizontally foldable bottom bracket 8 connected between the lower part of the left side bracket 6 and the lower part of the right side bracket 7,

The bottom brace 8 includes a first bottom brace 9, a second bottom brace 10 that intersects with the first bottom brace 9 and is rotatably connected at the intersection, and one end connects with the first bottom brace 9. One end of a bottom support rod 9 is connected to the first connecting rod 11 through a first rotating shaft 13 in rotation, and the first connecting rod 11 is connected to one end of the second bottom support rod 10 through a second rotating shaft 14 through a second rotating shaft. Two connecting rods 12, the other end of the first connecting rod 11 is arranged to rotate with the left side bracket 6 through the first rotating joint 15, and the other end of the first bottom support rod 9 is passed through The fourth pivot joint 18 is set to rotate with the right side bracket 7, and the other end of the second connecting rod 12 is set to rotate with the right side bracket 7 through the second pivot joint 16, so The other end of the second bottom support rod 10 is set to rotate with the left bracket 6 through the third rotating joint 17,

The axes of the first rotating shaft 13 and the second rotating shaft 14 extend along the vertical direction.

The link mechanism that forms the left side bracket 6 and the right side bracket 7 is not the invention point of the present utility model, as long as it is a side bracket that constitutes the link mechanism, it can be used here, that is, the bottom bracket 8 can be applied to the cart frame 1 of different folding principles. In this embodiment, the left side bracket 6 includes:

Left front bracket 19, the left front wheel assembly 2 is arranged below the left front bracket 19;

The left rear bracket 20, the upper end of the left rear bracket 20 is rotationally connected with the upper end of the left front bracket 19, and the left rear wheel assembly 4 is arranged below the left rear bracket 20;

A left push rod 21, the left push rod 21 is slidably arranged with the left front bracket 19;

A left seat post 22, the rear end of the left seat post 22 is rotatably connected to the left rear bracket 20;

Left swing link 23, the lower end of the left swing link 23 is connected with the left front bracket 19 in a rotational manner, the upper end of the left swing link 23, the lower end of the left push rod 21, the Said left seat post 22 is connected with the same axis of rotation;

Described right side support 7 comprises:

Right front support 24, described right front wheel assembly 3 is arranged on the bottom of described right front support 24;

Right rear bracket 25, the upper end of the right rear bracket 25 is rotationally connected with the upper end of the right front bracket 24, and the right rear wheel assembly 5 is arranged below the right rear bracket 25;

Right push rod 26, described right push rod 26 and described right front bracket 24 are slidably arranged;

Right seat post 27, the rear end of the right seat post 27 is rotatably connected with the right rear bracket 25;

Right swing link 28, the lower end of said right swing link 28 is connected with said right front bracket 24 in a rotational manner, the upper end of said right swing link 28, the lower end of said right push rod 26, the Said right seat bar 27 is connected coaxially and rotationally, said left side support 6 and said right side support 7 can also be other structures, such as left front support 19 and left rear support 20 are set for sliding, can also The two are arranged to be rotated through the third component.

The left push rod 21 is provided with a left limiter 31 for limiting the sliding position of the left push rod 21 and the left front bracket 19, and the right push rod 26 is provided with a limiter for limiting the sliding position of the left front bracket 19. The right limiting part 32 of the sliding position of the above-mentioned right push rod 26 and the above-mentioned right front bracket 24.

As shown in the drawings, the connecting frame further includes a laterally foldable rear bracket 29 disposed between the left rear bracket 20 and the right rear bracket 25 . The specific structure of the rear bracket 29 is not the gist of the invention of the present utility model. In this embodiment, the rear bracket 29 includes

vertical pole;

The first cross bar, one end of the first cross bar is rotatably connected with the upper end of the vertical bar, and the other end of the first cross bar is connected with the left rear bracket 20 on the left side Phase rotation connection;

The second cross bar, one end of the second cross bar is rotatably connected with the upper end of the vertical bar, and the other end of the second cross bar is connected with the right rear bracket 25 on the right side. Phase rotation connection;

a slider, the slider is slidably arranged on the vertical bar;

The third cross bar, one end of the third cross bar is rotatably connected to the lower end of the vertical bar, and the other end of the third cross bar is rotatably connected to the left rear bracket 20 on the left side ;

The fourth crossbar, one end of the fourth crossbar is rotatably connected to the lower end of the vertical bar, and the other end of the fourth crossbar is connected to the right rear bracket 25 on the right side. Phase rotation connection;

A first slanting rod, one end of the first slanting rod is rotatably connected to the slider, and the other end of the first slanting rod is rotatably connected to the third cross bar;

As for the second slanting rod, one end of the second slanting rod is rotatably connected to the slider, and the other end of the second slanting rod is rotatably connected to the fourth cross bar.

The connecting frame also includes a horizontally foldable rear bracket 29 arranged between the left side bracket 6 and the right side bracket 7, and the rear bracket 29 is located on the bottom bracket 8's rear. The upper end of the upper end of the left front bracket 19 has a left sliding sleeve, the left push rod 21 is slidably arranged with the left sliding sleeve, and the upper end of the right front bracket 24 has a right sliding sleeve, The right push rod 26 is slidably arranged with the right sliding sleeve.

Not shown in the figure, the rear bracket 29 may also include a left sliding member that is slidably arranged with the left rear bracket 20 along its length direction, and is arranged with the right rear bracket 25 that is slidably arranged along its length direction. The right slider, the first rear strut with one end rotatably connected to the left slider, the second rear strut with one end rotatably connected with the right slider, the first rear strut A rear strut intersects with the second rear strut and is rotatably connected at the intersection, and the other end of the first rear strut is rotatably connected with the right rear bracket 25, so The other end of the second rear strut is rotatably connected to the left rear bracket 20 .

As shown in accompanying drawing 1, described left rear bracket 20, described third rotating joint 17, the rear end of described left seat post 22 three are coaxially connected, and described right rear bracket 25, The fourth rotary joint 18 and the rear end of the right seat post 27 are connected with the same axis for rotation.

As shown in accompanying drawings 1 and 3 , the baby stroller further includes a laterally foldable footboard 30 disposed between the left front bracket 19 and the right front bracket 24 . Described tread plate 30 comprises the left pedal that is connected with described left front bracket 19 rotationally, the right pedal that is connected with described right front bracket 24 with rotation, and described left pedal is connected with described right The pedals are disassembled, and before the cart frame 1 is folded, the left pedal and the right pedal are detached, and then the cart frame 1 is folded.

Not shown, the locking mechanism includes a left locking mechanism arranged between the left push rod 21 and the left front bracket 19, and a left locking mechanism arranged between the right push rod 26 and the right front bracket 24. between the right locking mechanism. Neither the left locking mechanism nor the right locking mechanism is the main point of the invention of the present utility model, as long as it is a locking mechanism that can lock two sliding parts, it can be used here, and the specific structure will not be repeated here. .

The orientation terms such as up, down, left, right, front, and rear mentioned above are defined by the cart frame 1 being located in the unfolded position, the position of the bottom bracket is down, and the position of the rear bracket is the rear. , the position where the left bracket is located is left, and the position where the right bracket is located is right.

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. child stroller; Comprise the go-cart vehicle frame (1) with expanded position and folding position, the near front wheel assembly (2) that is arranged at described go-cart vehicle frame (1) front lower place and off front wheel assembly (3), the left rear wheel assembly (4) that is arranged at described go-cart vehicle frame (1) back lower place and off hind wheel assembly (5), described go-cart vehicle frame (1) is locked in the lockout mechanism under the expanded position; Described go-cart vehicle frame (1) comprise the formation connecting rod mechanism that is positioned at both sides left side brackets (6) and right side support (7), be connected between described left side brackets (6) and the described right side support (7) can be lorizontal folding link span; Described link span comprise be connected between described left side brackets (6) bottom and described right side support (7) bottom can be lorizontal folding bottom bracing frame (8), it is characterized in that:

Described bottom bracing frame (8) comprises first bottom supporting rod (9), intersects with described first bottom supporting rod (9) and passes through second rotating shaft (14) bonded assembly second connecting rod (12) rotatedly in an end of bonded assembly first connecting rod (11), an end and described second bottom supporting rod (10) rotatedly through first rotating shaft (13) in an end of bonded assembly second bottom supporting rod (10), an end and described first bottom supporting rod (9) rotatedly at infall; The other end of described first connecting rod (11) is provided with through first rotary joint (15) and described left side brackets (6) rotatedly; The other end of described first bottom supporting rod (9) is provided with through the 4th rotary joint (18) and described right side support (7) rotatedly; The other end of described second connecting rod (12) is provided with through second rotary joint (16) and described right side support (7) rotatedly, and the other end of described second bottom supporting rod (10) is provided with through the 3rd rotary joint (17) and described left side brackets (6) rotatedly.

2. child stroller according to claim 1; It is characterized in that: described link span also comprise be arranged between described left side brackets (6) and the described right side support (7) can be lorizontal folding back pole-bracket (29), described back pole-bracket (29) is positioned at the rear portion of described bottom bracing frame (8).

3. child stroller according to claim 1 is characterized in that: described left side brackets (6) comprising:

Left front support (19), described the near front wheel assembly (2) is arranged at the below of described left front support (19);

Left back support (20), the upper end of described left back support (20) is connected with the upper end of described left front support (19) rotatedly, and described left rear wheel assembly (4) is arranged at the below of described left back support (20);

Left side push rod (21), described left push rod (21) is provided with the upper end of described left front support (19) mutually slidably;

Left side seat post (22), the rearward end of described left seat post (22) is connected with described left back support (20) rotatedly;

Left side fork (23); The bottom of described left fork (23) is connected with described left front support (19) rotatedly; Among the leading section three of the bottom of the upper end of described left fork (23), described left push rod (21), described left seat post (22) two connect rotatedly, another among the three with two at least one be connected rotatedly;

Described right side support (7) comprising:

Right front support (24), described off front wheel assembly (3) is arranged at the below of described right front support (24);

Right back support (25), the upper end of described right back support (25) is connected with the upper end of described right front support (24) rotatedly, and described off hind wheel assembly (5) is arranged at the below of described right back support (25);

Right push rod (26), described right push rod (26) is provided with the upper end of described right front support (24) mutually slidably;

Right seat post (27), the rearward end of described right seat post (27) is connected with described right back support (25) rotatedly;

Right fork (28); The bottom of described right fork (28) is connected with described right front support (24) rotatedly; Among the leading section three of the bottom of the upper end of described right fork (28), described right push rod (26), described right seat post (27) two connect rotatedly, another among the three with two at least one be connected rotatedly.

4. the child stroller of stating according to claim 3; It is characterized in that: the upper end of the leading section of described left seat post (22), described left fork (23), bottom three's same axis of described left push rod (21) are rotationally connected, and the upper end of the leading section of described right seat post (27), described right fork (28), bottom three's same axis of described right push rod (26) are rotationally connected.

5. the child stroller of stating according to claim 3; It is characterized in that: rearward end three's same axis of described left back support (20), described the 3rd rotary joint (17), described left seat post (22) is rotationally connected, and rearward end three's same axis of described right back support (25), described the 4th rotary joint (18), described right seat post (27) is rotationally connected.

6. the child stroller of stating according to claim 3 is characterized in that: described child stroller also comprise be arranged between described left front support (19) and the described right front support (24) can be lorizontal folding tread plate (30).

7. the child stroller of stating according to claim 3 is characterized in that: described lockout mechanism comprises the left lockout mechanism that is arranged between described left push rod (21) and the described left front support (19), is arranged at the right lockout mechanism between described right push rod (26) and the described right front support (24).

8. the child stroller of stating according to claim 3; It is characterized in that: described left push rod (21) is provided with the left limit portion (31) that is used to limit described left push rod (21) and both sliding positions of described left front support (19), and described right push rod (26) is provided with the right limit portion (32) that is used to limit described right push rod (26) and both sliding positions of described right front support (24).

9. child stroller according to claim 3; It is characterized in that: the upper end of the upper end of described left front support (19) has left sliding sleeve; Described left push rod (21) is provided with described left sliding sleeve mutually slidably; The upper end of described right front support (24) has right sliding sleeve, and described right push rod (26) is provided with described right sliding sleeve mutually slidably.

10. child stroller according to claim 1 is characterized in that: the direction of axis line of described first rotating shaft (13), described second rotating shaft (14) extends along above-below direction.

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