CN102416973B - a stroller - Google Patents

Abstract

A baby stroller, the stroller frame comprising: a front bracket; a left rear bracket, a right rear bracket, a left seat frame, a right seat frame and a push rod frame which are respectively pivotally connected to the rear of the front bracket; Slider on front frame; left rear frame link, right rear frame link, left seat link, right seat link, drive rod, left rear frame link and left rear frame pivotally connected to the slider Pivotally connected, right rear frame link is pivotally connected to right rear frame, left seat link is pivotally connected to left seat frame, right seat link is pivotally connected to right seat frame, drive rod is connected to push rod The frame is pivotally connected. When folding, the push rod frame is turned forward and downward, so that the drive rod moves forward relative to the front frame, and the slider slides forward on the front frame, so that the left rear frame, right rear frame, left seat frame and right seat The frame is folded and folded relative to the front bracket respectively, and the cart frame is folded, the folding is convenient and rapid, the structure is simple, and the volume after folding is small.

Description

a stroller

technical field

The invention relates to a baby carriage.

Background technique

A 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 at the lower part of the stroller frame, A human body support device capable of supporting a human body on the upper body, and a locking mechanism for locking the cart frame in an 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. As the patent publication number is CN1709754, the title is disclosed in the document of children's stroller. The stroller frame of the children's stroller includes a front wheel bracket, side brackets located on both sides of the front wheel bracket, each side bracket includes a rear wheel bracket, and a push-down lever, and a sliding sleeve is slidably arranged on the front wheel bracket. The upper end of the rear wheel bracket is rotatably connected to the rear of the front wheel bracket, and the lower end of the push-down lever is rotatably connected to the rear of the front wheel bracket. The side bracket also includes an upper link, a lower link, and an upper link. The rear end of the connecting rod is rotatably connected with the push-down lever, the front end of the upper link is rotatably connected with the sliding sleeve, the rear end of the lower link is rotatably connected with the rear wheel bracket, and the front end of the lower link is rotatably connected with the The sliding sleeve is connected in rotation.

Contents of the invention

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

In order to solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a stroller, including a stroller frame with an unfolded position and a folded position, a front wheel assembly, a left rear wheel assembly, a right rear wheel assembly, The cart frame is locked in the locking mechanism under the unfolded position, and the human body accommodation device arranged on the cart frame, and the cart frame includes:

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

The left rear bracket, the upper part of the left rear bracket is pivotally connected to the rear part of the front bracket through the first rotating shaft, and the left rear wheel assembly is arranged at the lower part of the left rear bracket;

The right rear bracket, the upper part of the right rear bracket is pivotally connected to the rear part of the front bracket through the second rotating shaft, and the right rear wheel assembly is arranged at the lower part of the right rear bracket;

a left seat frame, the lower part of the left seat frame is pivotally connected to the rear part of the front frame through a third rotating shaft;

a right seat frame, the lower part of the right seat frame is pivotally connected to the rear part of the front bracket through the fourth rotating shaft;

a push rod frame, the lower part of the push rod frame is pivotally connected to the rear part of the front bracket through the fifth rotating shaft;

a sliding piece, the sliding piece is slidably arranged on the front support along the length direction of the front support;

The left rear frame link, the front part of the left rear frame link is pivotally connected to the slider through the sixth rotating shaft, the rear part of the left rear frame link is connected to the left rear frame are pivotally connected by the eleventh shaft;

The right rear frame link, the front part of the right rear frame link is pivotally connected to the slider through the seventh rotating shaft, the rear part of the right rear frame link is connected to the right rear frame pivotally connected by a twelfth shaft;

The left seat link, the front part of the left seat link is pivotally connected with the slider through the eighth rotating shaft, the rear part of the left seat link is connected with the left seat frame through the tenth The three shafts are pivotally connected;

The right seat link, the front part of the right seat link is pivotally connected with the slider through the ninth rotating shaft, the rear part of the right seat link is connected with the right seat frame through the tenth Four-axis phase pivot connection;

a driving rod, the front part of the driving rod is pivotally connected to the slider through the tenth rotation shaft, and the rear part of the driving rod is pivotally connected to the push rod frame through the fifteenth rotating shaft .

In some embodiments, the axis line of the first rotating shaft, the axis line of the second rotating shaft, the axis line of the third rotating shaft and the axis line of the fourth rotating shaft , the projection on a plane perpendicular to the sliding direction of the slider is a rhombus.

In some embodiments, the axis of the sixth axis, the axis of the seventh axis, the axis of the eighth axis and the axis of the ninth axis , the projection on a plane perpendicular to the sliding direction of the slider is a rhombus.

In some embodiments, the axis lines of the fifth rotation axis, the tenth rotation axis and the fifteenth rotation axis respectively extend along the horizontal left-right direction.

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

In some embodiments, the left rear frame link and the right rear frame link are respectively located under the front frame.

In some embodiments, the left seat link, the right seat link and the driving rod are respectively located above the front bracket.

In certain further embodiments, said drive rod is located between said left seat link and said right seat link.

The orientation nouns such as up, down, front and back mentioned above are defined when the cart frame is in the unfolded position.

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, 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 present invention has the following advantages compared with the prior art: the present invention provides a technical solution with a different folding concept. Relative to the front bracket moving forward, the slider slides forward on the front bracket, the left rear frame link, the right rear frame link, the left seat link and the right seat link move forward together with the slider, so that the left The rear support, the right rear support, the left seat frame and the right seat frame are respectively folded and folded relative to the front support, and the cart frame is folded, which is convenient and fast to fold, has a simple structure, and has a small volume after folding.

Description of drawings

Accompanying drawing 1 is the three-dimensional view one that the cart frame is in the unfolded position;

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

Accompanying drawing 3 is the front view of the cart frame in the deployed position;

Accompanying drawing 4 is a schematic diagram of the slider in the K direction of accompanying drawing 3;

Accompanying drawing 5 is the rear portion of front bracket in the K direction schematic diagram of accompanying drawing 3;

Accompanying drawing 6 is the top view of the cart frame in the unfolded position;

Accompanying drawing 7 is the schematic diagram that cart frame is under the folded position;

Among them: 1. Cart frame; 2. Front wheel assembly; 3. Left rear wheel assembly; 4. Right rear wheel assembly; 5. Front bracket; 6. Slider; 7. Left rear bracket; 8. Right rear bracket 9, left seat frame; 10, right seat frame; 11, push rod frame; 12, left seat connecting rod; 13, right seat connecting rod; 14, left rear frame connecting rod; , drive rod; 21, first shaft; 22, second shaft; 23, third shaft; 24, fourth shaft; 25, fifth shaft; 26, sixth shaft; 27, seventh shaft; 28, eighth Revolving axis; 29, the ninth revolving axis; 30, the tenth revolving axis; 31, the eleventh revolving axis; 32, the twelfth revolving axis; 33, the thirteenth revolving axis; 34, the fourteenth revolving axis; 35, the fifteenth revolving axis.

Detailed ways

As shown in the accompanying drawings, a stroller includes a stroller frame 1 with an unfolded position and a folded position, a front wheel assembly 2, a left rear wheel assembly 3, a right rear wheel assembly 4, and is used to push the stroller frame 1 The locking device locked in the unfolded position and the human body supporting device arranged on the stroller frame 1 can support the human body. The human body support device is not shown in the figure, and the human body support device can be a child's seat pocket, a children's sleeping basket, a seat cloth pocket, etc., and can be arranged between the left seat frame 9 and the right seat frame 10 disclosed below.

Cart frame includes:

The front bracket 5, the front wheel assembly 2 is arranged on the front part of the front bracket 5;

The left rear support 7, the upper part of the left rear support 7 is pivotally connected with the rear part of the front support 5 through the first rotating shaft 21, and the left rear wheel assembly 3 is arranged on the bottom of the left rear support 7;

Right rear support 8, the upper part of the right rear support 8 is pivotally connected with the rear part of the front support 5 through the second rotating shaft 22, and the right rear wheel assembly 4 is arranged on the bottom of the right rear support 8;

The left seat frame 9, the bottom of the left seat frame 9 is pivotally connected with the rear portion of the front bracket 5 through the third rotating shaft 23;

The right seat frame 10, the bottom of the right seat frame 10 is pivotally connected with the rear part of the front support 5 through the fourth rotating shaft 24;

The push rod frame 11, the bottom of the push rod frame 11 is pivotally connected with the rear part of the front bracket 5 through the fifth rotating shaft 25;

Slider 6, slider 6 is arranged on the front bracket 5 slidingly along the length direction of front bracket 5;

The left rear frame link 14, the front part of the left rear frame link 14 is pivotally connected with the slider 6 through the sixth rotating shaft 26, and the rear part of the left rear frame connecting rod 14 is connected with the left rear frame 7 through the eleventh rotating shaft 31 phase pivot connection;

Right rear frame connecting rod 15, the front part of right rear frame connecting rod 15 is pivotally connected with slider 6 through the seventh rotating shaft 27, and the rear part of right rear frame connecting rod 15 is connected with right rear frame 8 through the twelfth rotating shaft 32 phase pivot connection;

The left seat link 12, the front part of the left seat link 12 is pivotally connected with the slider 6 through the eighth rotating shaft 28, and the rear part of the left seat link 12 is pivotally connected with the left seat frame 9 through the thirteenth rotating shaft 33 connect;

Right seat link 13, the front part of the right seat link 13 is pivotally connected with the slider 6 through the ninth rotating shaft 29, and the rear part of the right seat link 13 is pivotally connected with the right seat frame 10 through the fourteenth rotating shaft 34 connect;

The driving rod 16 is pivotally connected to the slider 6 through the tenth rotating shaft 30 at the front of the driving rod 16 , and pivotally connected with the push rod frame 11 through the fifteenth rotating shaft 35 at the rear of the driving rod 16 .

As shown in FIG. 3 and FIG. 6 , the axis lines of the fifth rotating shaft 25 , the tenth rotating shaft 30 and the fifteenth rotating shaft 35 extend along the horizontal left and right directions respectively. As shown in accompanying drawing 3-accompanying drawing 5, the axis line of the first rotating shaft 21, the axis line of the second rotating shaft 22, the axis line of the third rotating shaft 23 and the axis line of the fourth rotating shaft 24 are perpendicular to The projection on the plane of the sliding direction of the slider 6 has a rhombus shape. Projection of the axis line of the sixth rotating shaft 26, the axis line of the seventh rotating shaft 27, the axis line of the eighth rotating shaft 28 and the axis line of the ninth rotating shaft 29 on a plane perpendicular to the sliding direction of the slider 6 It is diamond-shaped.

As shown in accompanying drawings 1-3, the left rear frame connecting rod 14 and the right rear frame connecting rod 15 are respectively located below the front bracket 5, which is beneficial to drive the left rear bracket 7 and the right rear bracket 8 to move closer to the front bracket 5. The left seat link 12, the right seat link 13 and the driving rod 16 are respectively located above the front support 5, which is beneficial to the push rod frame 11, the left seat frame 9 and the right seat frame 10 to move closer to the front frame 5. The driving rod 16 is located between the left seat connecting rod 12 and the right seat connecting rod 13, which is convenient for driving and has a beautiful appearance.

The locking mechanism can be arranged between the front bracket 5 and the slider 6. The specific structure of the locking mechanism is not the key point of the utility model, as long as it can be locked between two sliding parts, it can be applied here. For example, it may include a lock tongue arranged on the front bracket 5 along the lateral direction of the front bracket 5, and a lock hole provided on the slider 6. When locking, the elastic member presses the lock tongue to make it stably inserted into the lock hole. , the slider 6 and the front bracket 5 are prohibited from sliding. An unlocking piece is slidably arranged on the front bracket 5, and there is a traction cable between the unlocking piece and the dead bolt. Dead bolt also can be connected on the front bracket 5 in a rotational manner. The locking mechanism can also be arranged between the bottom of the push rod frame 11 and the rear part of the front bracket 5, and the relative rotation of the two is prohibited so as to lock.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention shall fall within the protection scope of the present invention .

Claims (8)

1. perambulator, comprise go-cart vehicle frame (1) with expanded position and folding position, front component (2), left rear wheel assembly (3), off hind wheel assembly (4), be used for the lockout mechanism of described go-cart bicycle frame lock under expanded position, be arranged at the human body accommodation apparatus on the described go-cart vehicle frame, it is characterized in that: described go-cart vehicle frame comprises:

Front frame (5), described front component (2) is arranged at the front portion of described front frame (5);

Left back support (7), the top of described left back support (7) is connected by the first rotating shaft (21) phase pivot with the rear portion of described front frame (5), and described left rear wheel assembly (3) is arranged at the bottom of described left back support (7);

Right back support (8), the top of described right back support (8) is connected by the second rotating shaft (22) phase pivot with the rear portion of described front frame (5), and described off hind wheel assembly (4) is arranged at the bottom of described right back support (8);

Left seat frame (9), the bottom of described left seat frame (9) is connected by the 3rd rotating shaft (23) phase pivot with the rear portion of described front frame (5);

Right seat frame (10), the bottom of described right seat frame (10) is connected by the 4th rotating shaft (24) phase pivot with the rear portion of described front frame (5);

Push-rod frame (11), the bottom of described push-rod frame (11) is connected by the 5th rotating shaft (25) phase pivot with the rear portion of described front frame (5);

Sliding part (6), described sliding part (6) is slidingly arranged on the described front frame (5) along the length direction of described front frame (5);

Left back connecting rod (14), the front portion of described left back connecting rod (14) is connected by the 6th rotating shaft (26) phase pivot with described sliding part (6), and the rear portion of described left back connecting rod (14) is connected by the 11 rotating shaft (31) phase pivot with described left back support (7);

Right back connecting rod (15), the front portion of described right back connecting rod (15) is connected by the 7th rotating shaft (27) phase pivot with described sliding part (6), and the rear portion of described right back connecting rod (15) is connected by the 12 rotating shaft (32) phase pivot with described right back support (8);

Left seat link (12), the front portion of described left seat link (12) is connected by the 8th rotating shaft (28) phase pivot with described sliding part (6), and the rear portion of described left seat link (12) is connected by the 13 rotating shaft (33) phase pivot with described left seat frame (9);

Right seat link (13), the front portion of described right seat link (13) is connected by the 9th rotating shaft (29) phase pivot with described sliding part (6), and the rear portion of described right seat link (13) is connected by the 14 rotating shaft (34) phase pivot with described right seat frame (10);

Drive spindle (16), the front portion of described drive spindle (16) is connected by the tenth rotating shaft (30) phase pivot with described sliding part (6), and the rear portion of described drive spindle (16) is connected by the 15 rotating shaft (35) phase pivot with described push-rod frame (11).

2. a kind of perambulator according to claim 1, it is characterized in that: the axial line of the axial line of the axial line of described the first rotating shaft (21), described the second rotating shaft (22), the axial line of described the 3rd rotating shaft (23) and described the 4th rotating shaft (24) is assuming diamond in shape perpendicular to the projection on the plane of the direction of slip of described sliding part (6).

3. a kind of perambulator according to claim 1, it is characterized in that: the axial line of the axial line of the axial line of described the 6th rotating shaft (26), described the 7th rotating shaft (27), the axial line of described the 8th rotating shaft (28) and described the 9th rotating shaft (29) is assuming diamond in shape perpendicular to the projection on the plane of the direction of slip of described sliding part (6).

4. a kind of perambulator according to claim 1 is characterized in that: the axial line of described the 5th rotating shaft (25), the tenth rotating shaft (30) and described the 15 rotating shaft (35) extends along horizontal left and right directions respectively.

5. a kind of perambulator according to claim 1, it is characterized in that: described lockout mechanism is arranged between described front frame and the described sliding part.

6. a kind of perambulator according to claim 1, it is characterized in that: described left back connecting rod (14) and described right back connecting rod (15) lay respectively at the below of described front frame (5).

7. a kind of perambulator according to claim 1, it is characterized in that: described left seat link (12), described right seat link (13) and described drive spindle (16) lay respectively at the top of described front frame (5).

8. a kind of perambulator according to claim 7, it is characterized in that: described drive spindle (16) is positioned between described left seat link (12) and the described right seat link (13).

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