CN202163472U - Children handcart - Google Patents

Abstract

A stroller for children, its stroller frame includes a rear bracket, a front bracket, a push rod frame, a sliding member slidably arranged on the rear bracket along the front-to-back direction, and the front part is connected to the front part of the front bracket through a second rotating shaft. Rotationally connected bottom link frame, upper part and rear link frame rotatably connected to the push rod frame through the fourth rotating shaft, the front part of the push rod frame, the rear part of the front bracket and the front part of the rear bracket are three parts The two parts are connected in rotation, and the third part is connected in rotation with one of the two parts; the rear part of the bottom link frame and the lower part of the rear link frame are connected with two parts of the three parts of the slider. Rotationally connected, the third member is rotationally connected to one of the two members. After the vehicle frame locking mechanism is unlocked, the push rod frame is rotated relative to the rear bracket and moved closer to the rear bracket, the sliding member slides towards the direction of the rear wheel assembly, and the front bracket with the front wheel assembly also rotates relative to the rear bracket and moves closer to the rear bracket so that Folded, less bulky.

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 with an unfolded position and a folded position, a front wheel assembly and a rear wheel assembly arranged on the lower part of the stroller frame, and a rear wheel assembly arranged on the stroller frame The upper seat mechanism, the locking mechanism for locking the stroller frame in the unfolded position. There are many types of existing trolley frames, the number of rods of the cart frame is different, and the connection relationship and connection position between the rods are different, so the folding principles and folding methods are different.

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, and a front wheel assembly arranged at the front bottom of the stroller frame , the rear wheel assembly arranged at the bottom rear part of the cart frame, the frame locking mechanism for locking the cart frame in the unfolded position, the human body storage device arranged on the cart frame device, the cart frame includes

a rear bracket, the rear wheel assembly is arranged at the rear of the rear bracket;

a front bracket, the front wheel assembly is arranged at the front of the front bracket;

The push rod frame, the front part of the push rod frame, the rear part of the front bracket are rotationally connected with two of the three front parts of the rear bracket, and the third part is connected with the two One of the parts is rotationally connected;

a sliding piece, the sliding piece is slidably arranged on the rear bracket along the front-rear direction,

a bottom link frame, the front part of the bottom link frame is rotatably connected to the front part of the front bracket through a second rotating shaft;

The rear link frame, the upper part of the rear link frame is rotationally connected with the push rod frame through the fourth rotating shaft, the rear part of the bottom link frame and the lower part of the rear link frame It is rotatably connected with two of the three parts of the slider, and the third part is rotatably connected with one of the two parts.

In some embodiments, the front part of the push rod frame, the rear part of the front bracket and the front part of the rear bracket are rotatably connected around a first rotation axis.

In some further embodiments, the rear part of the bottom link frame is rotatably connected to the slider through a third shaft, and the lower part of the rear link frame is connected to the slider through a first The five rotating shafts are rotationally connected, and the fifth rotating shaft is located above the third rotating shaft.

In some embodiments, the human body containing device can be detachably arranged on the cart frame.

In some further embodiments, the human body containing device is detachably arranged on the push rod frame.

In some embodiments, the rotation shaft between the front part of the push rod frame and the rear part of the front frame and the front part of the rear frame, the bottom link frame The rear part of the rear part, the lower part of the rear link frame and the rotation axis between the three parts of the slider, the second rotation axis and the fourth rotation axis are parallel.

In some embodiments, the frame locking mechanism is disposed between the sliding member and the rear bracket.

In some embodiments, the rotational connection between the push rod frame and the front support or the rear support is located behind the second rotating shaft and in front of the fourth rotating shaft .

In some embodiments, the baby stroller further includes an expansion limiting device for expanding the stroller frame to a limit position.

In some further embodiments, the expansion limiting device includes an expansion limiting part arranged on the rear bracket, and the expansion limiting part is located in front of the sliding part. When the When the trolley frame is in the expanded position, the expanded limiting portion is in conflict with the sliding member.

The orientation nouns such as upper, lower, front, and rear involved above are defined when the cart frame is in the unfolded position, the position of the front wheel assembly is the front, and the position of the rear wheel assembly is the rear.

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: when the frame locking mechanism is unlocked, the push rod frame is pressed backward, and the push rod frame rotates relative to the rear bracket and moves closer to the rear bracket. Under the push of the link frame, the slider slides towards the direction of the rear wheel assembly. At the same time, under the pull of the bottom link frame, the front frame with the front wheel assembly also rotates relative to the rear frame and draws closer to the rear frame so that the push The cart frame is folded, and after being folded, the cart frame is flat and has a small volume.

Description of drawings

Accompanying drawing 1 is the front view of the pushcart frame in the unfolded position;

Accompanying drawing 2 is the three-dimensional view that the cart frame is in the expanded position;

Accompanying drawing 3 is the front view of the cart frame in the transition process between the unfolded position and the folded position;

Accompanying drawing 4 is the three-dimensional view that the cart frame is in the transition process between the unfolded position and the folded position;

Accompanying drawing 5 is the front view of the cart frame in the folded position;

Accompanying drawing 6 is a perspective view of the cart frame in a folded position;

Accompanying drawing 7 is the rear view of the stroller frame in the unfolded position.

Among them: 1. Cart frame; 2. Front wheel assembly; 3. Rear wheel assembly; 4. Human body containment device; 11. Rear support; 12. Front support; 13. Push rod frame; 14. Slider; 15. Bottom link frame; 16, rear link frame; 17, push rod handle; 18, expansion limit part; 21, first rotating shaft; 22, second rotating shaft; 23, third rotating shaft; 24, fourth rotating shaft; 25 , the fifth shaft.

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 2 arranged at the bottom front of the stroller frame 1 , The rear wheel assembly 3 at the bottom rear part, the frame locking mechanism for locking the cart frame 1 in the unfolded position, and the human body receiving device 4 arranged on the cart frame 1 . The human body receiving device 4 can be a child's seat pocket, or a child's sleeping basket, etc., and the installation method can also be fixed on the stroller frame 1, or can be detachably installed on the stroller frame 1.

As shown in accompanying drawing 1, accompanying drawing 3, accompanying drawing 5, cart frame 1 comprises:

The rear bracket 11, the rear wheel assembly 3 is mounted on the rear of the rear bracket 11;

The front bracket 12, the front wheel assembly 2 is installed on the front part of the front bracket 12;

Push rod frame 13, the front portion of push rod frame 13, the rear portion of front support 12 and two parts in the front three parts of rear support 11 are rotationally connected, and the third part is connected with one of the two parts. Rotationally connected, that is, the front part of the push rod frame 13 and the rear part of the front bracket 12 may be rotatably connected, and one of the parts is rotatably connected with the front part of the rear bracket 11. The rotating shaft can also be the front part of the push rod frame 13, the rear part of the front bracket 12 and the front part of the rear bracket 11 respectively, and there are two rotating shafts between the three, which are the push rod frame 13 in this embodiment. The front part, the rear part of the front bracket 12 and the front part of the rear bracket 11 share a first rotating shaft 21 and are rotationally connected;

Slider 14, the slider 14 is slidably arranged on the rear bracket 11 along the front and rear directions, and the slider 14 is a sliding sleeve sleeved on the rear bracket 11;

The bottom link frame 15, the front part of the bottom link frame 15 is rotatably connected with the front part of the front bracket 12 through the second rotating shaft 22;

Rear link frame 16, the top of rear link frame 16 is connected with push rod frame 13 through the fourth rotating shaft 24 to rotate, the first rotating shaft 21 is positioned at the rear of the second rotating shaft 22 and is positioned at the front of the fourth rotating shaft 24,

The rear part of the bottom link frame 15 and the lower part of the rear link frame 16 are rotatably connected with two parts in the three parts of the slider 14, and the third part is rotatably connected with one of the two parts. Yes, it can be that the rear part of the bottom link frame 15 and the lower part of the rear link frame 16 are rotatably connected, and one of the parts is rotatably connected with the slider 14. There are two rotating shafts between the three, and it can also be The rear part of the bottom link frame 15, the lower part of the rear link frame 16, and the three parts of the slider 14 are connected in a rotating manner by sharing a rotating shaft. In this embodiment, the rear part of the bottom link frame 15 and the slider 14 pass through The third rotating shaft 23 is rotatably connected, and the lower part of the rear link frame 16 is rotatably connected with the slider 14 through the fifth rotating shaft 25 , and the fifth rotating shaft 25 is located above the third rotating shaft 23 .

The first rotating shaft 21 , the second rotating shaft 22 , the third rotating shaft 23 , the fourth rotating shaft 24 are parallel to the fifth rotating shaft.

As shown in the drawings, the human body receiving device 4 is detachably arranged on the stroller frame 1 . The human body receiving device 4 is detachably arranged on the push rod frame 13 . Dismounting mode is not the key point of the invention of the present utility model, as long as the human body receiving device 4 can be disassembled and installed on the push rod frame 13, as both sides of the push rod frame 13 have slots, and the human body receiving device 4 The two sides respectively have socket parts, and vice versa. During installation, the plug-in parts on both sides are respectively inserted in the corresponding slots, and then locked between the plug-in parts and the push rod frame 13 by spring pins or the like.

The cart frame 1 also includes a push rod handle 17 slidably arranged with the push rod frame 13 , and a push rod locking device is arranged between the push rod handle 17 and the push rod frame 13 . The person who pushes the cart can adjust the position of the push rod handle 17 relative to the push rod frame 13 according to the needs of one's own height, and both are locked. The concrete structure of push rod locking device is not the inventive point of the present utility model, as long as it is the locking device that can lock two phase sliding parts, it can be used here, as can be set in the lengthwise direction along push rod frame 13 A plurality of lock holes on the push rod frame 13 and the spring pins arranged on the push rod handle 17 lock the position between the push rod frame 13 and the push rod handle 17 through the cooperation of the lock holes and the spring pins.

The vehicle frame locking mechanism can be arranged between the slider 14 and the rear link frame 16 and/or the bottom link frame 15, and can also be arranged between the rear link frame 16 and the push rod frame 13. In this embodiment, it is provided between the slider 14 and the rear bracket 11 . Similarly, the vehicle frame locking mechanism is not the invention point of the present utility model, as long as it is a locking device capable of locking two sliding parts, it can be used here, so it will not be repeated here.

The children's stroller also includes an expansion limiting device that expands the stroller frame 1 to the limit state. When the stroller frame 1 is expanded to the limit position, that is, the stroller frame 1 is in the unfolded position. It is more convenient to operate. In this embodiment, the expansion limiting device is arranged between the rear bracket 11 and the slider 14, including the expansion limiting part 18 arranged on the rear bracket 11, the expansion limiting part 18 is located in front of the slider 14, when When the cart frame 1 is in the expanded position, the expanded limiting portion 18 is in conflict with the sliding member 14 . Not shown in the figure, the expansion limit mechanism can also be arranged at each rotating connection of the link mechanism that can be expanded or folded to form the stroller frame 1, so that the stroller frame 1 can not be rotated by prohibiting the rotation between the two parts. It can be further expanded, such as being arranged at the rotational connection between the push rod frame 13 and the rear bracket 11, the rotational connection between the push rod frame 13 and the rear link frame 16, and the like.

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. children trolley; Comprise go-cart vehicle frame (1) with expanded position and folding position, be arranged at the anterior front component (2) in described go-cart vehicle frame (1) end, be arranged at described go-cart vehicle frame (1) rear portion, the end wheel assembly (3), described go-cart vehicle frame (1) is locked in vehicle frame lockout mechanism under the expanded position, is arranged at the human body accommodation apparatus (4) on the described go-cart vehicle frame (1), it is characterized in that: described go-cart vehicle frame (1) comprises

After poppet (11), described wheel assembly (3) is arranged at the rear portion of described after poppet (11);

Front frame (12), described front component (2) is arranged at the front portion of described front frame (12);

Push-rod frame (13); Two parts are connected rotatedly in three parts in front portion of the rear portion of the front portion of described push-rod frame (13), described front frame (12) and described after poppet (11), and one in the 3rd parts and two parts is connected rotatedly;

Sliding part (14), described sliding part (14) is slidingly arranged on the described after poppet (11) along fore-and-aft direction,

End connecting rod rest (15), the front portion of connecting rod rest of the described end (15) is connected through second rotating shaft (22) with the front portion of described front frame (12) rotatedly;

Rear linking rod frame (16); The top of described rear linking rod frame (16) is connected through the 4th rotating shaft (24) with described push-rod frame (13) rotatedly; Two parts in (14) three parts in the bottom of the rear portion of connecting rod rest of the described end (15), described rear linking rod frame (16) and described sliding part are connected rotatedly, and one in the 3rd parts and two parts is connected rotatedly.

2. children trolley according to claim 1 is characterized in that: the rear portion of the front portion of described push-rod frame (13), described front frame (12) is connected around first rotating shaft (21) with the front portion of described after poppet (11) rotatedly.

3. children trolley according to claim 2; It is characterized in that: the rear portion of connecting rod rest of the described end (15) is connected through the 3rd rotating shaft (23) with described sliding part (14) rotatedly; The bottom of described rear linking rod frame (16) is connected through the 5th rotating shaft (25) with described sliding part (14) rotatedly, and described the 5th rotating shaft (25) is positioned at the top of described the 3rd rotating shaft (23).

4. children trolley according to claim 1 is characterized in that: described human body accommodation apparatus (4) can be arranged on the described go-cart vehicle frame (1) with dismantling.

5. children trolley according to claim 4 is characterized in that: described human body accommodation apparatus (4) can be arranged on the described push-rod frame (13) with dismantling.

6. children trolley according to claim 1 is characterized in that: the bottom of the turning cylinder between three parts in front portion of the rear portion of the front portion of described push-rod frame (13) and described front frame (12) and described after poppet (11), the rear portion of connecting rod rest of the described end (15) and described rear linking rod frame (16) and the turning cylinder between (14) three parts of described sliding part, described second rotating shaft (22) parallel with described the 4th rotating shaft (24).

7. children trolley according to claim 1 is characterized in that: described vehicle frame lockout mechanism is arranged between described sliding part (14) and the described after poppet (11).

8. children trolley according to claim 1; It is characterized in that: described push-rod frame (13) and described front frame (12) or with the place that is rotationally connected of described after poppet (11), be positioned at the rear of described second rotating shaft (22) and be positioned at the place ahead of described the 4th rotating shaft (24).

9. children trolley according to claim 1 is characterized in that: described children trolley also comprises the expansion inhibiting device that described go-cart vehicle frame (1) is expanded to the ultimate limit state lower limit.

10. children trolley according to claim 9; It is characterized in that: described expansion inhibiting device comprises the expansion limiting section (18) that is arranged on the described after poppet (11); Described expansion limiting section (18) is positioned at the place ahead of described sliding part (14); When described go-cart vehicle frame (1) is under the expanded position, described expansion limiting section (18) is inconsistent with described sliding part (14).

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