CN201769852U - Baby stroller - Google Patents

Abstract

A baby stroller, comprising a pushcart frame with an unfolded position and a folded position, a front wheel assembly arranged at the bottom front of the pushcart frame, a rear wheel assembly arranged at the bottom rear of the pushcart frame, The seat mechanism on the frame, the frame locking mechanism for locking the cart frame in the unfolded position, only one of the left and right sides of the cart frame is provided with a push lever, and the seat mechanism It includes a seat support frame, which can be rotatably arranged on the stroller frame around the first rotating shaft, and the axis line of the first rotating shaft extends along the up and down direction, and the toddler car also includes a Rotation locking mechanism for post-rotation positions of the frame. After the rotation locking mechanism is unlocked, the seat mechanism can rotate around the first rotating shaft and toward the side where there is no push handle bar in the left and right sides of the cart frame, so that the position of the seat mechanism relative to the cart frame can be changed. The operation is convenient and the structure is simple.

Description

stroller

technical field

The utility model relates to a toddler carriage for children to ride on and can be driven by a pusher.

Background technique

A stroller in the prior art includes a stroller frame with an unfolded position and a folded position, a front wheel assembly arranged at the bottom front of the stroller frame, and a rear wheel assembly arranged at the bottom of the stroller frame The rear wheel assembly of the department, the seat mechanism for children to sit on the stroller frame, and the frame locking mechanism for locking the stroller frame in the unfolded position. Generally, the baby stroller can have two working positions, that is, the seat mechanism and the child sitting on the seat mechanism are facing away from the pusher, and the child can see the working position of the scenery; the seat mechanism and the child sitting on the seat mechanism The child faces the pusher, and the child and the pusher can communicate face to face.

In order to achieve the above two working positions, some baby carriages are realized by turning the push rod located on the upper part of the cart frame. The push rod is roughly in the shape of a U with the opening downward. The components are rotationally connected, and the axis of the rotating shaft extends along the left and right directions of the stroller frame. The user rotates the push rod forward or backward to make the baby stroller between the two working positions. switch between.

There are also some baby carriages realized by seat mechanism, which can be independently dismantled relative to the cart frame, and when the baby carriage is to be converted between the two working positions, the seat The mechanism is first dismantled from the cart frame, and the seat mechanism is changed to another direction, and then reinstalled on the cart frame.

Utility model content

The technical problem to be solved by the utility model is to provide a baby carriage.

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, a front wheel assembly arranged at the front bottom of the stroller frame, The rear wheel assembly arranged at the bottom rear of the cart frame, the seat mechanism arranged on the cart frame, and the frame lock used to lock the cart frame at the unfolded position mechanism,

Of the left and right sides of the cart frame, only one side is provided with a push handle bar,

The seat mechanism includes a seat support frame, the seat support frame is rotatably arranged on the cart frame around a first rotating shaft, and the axis line of the first rotating shaft extends along the up-down direction, The toddler stroller also includes a rotation locking mechanism for locking the position of the seat support relative to the stroller frame after rotation.

In some embodiments, the seat frame and the stroller frame are detachably arranged, and there is a device between the seat frame and the stroller frame for prohibiting the A connection mechanism for separating the seat support frame from the cart frame.

In some embodiments, the rotation locking mechanism is disposed between the seat frame and the stroller frame.

In some embodiments, the seat mechanism further includes a seat frame, and the two side portions of the seat frame are detachably connected to the two side portions of the seat frame respectively.

In some embodiments, the seat mechanism further includes a seat frame, the seat frame is rotatably arranged on the seat frame around the second rotating shaft, and the seat mechanism is provided with a A seat locking mechanism that locks the position of the seat frame relative to the seat support when it is rotated.

In some embodiments, the upper end of the push handle rod is provided with a length extending toward the other side of the left and right sides of the cart frame to form a push handle.

In some embodiments, the cart frame includes a front wheel bracket, an upper link frame whose upper part is rotatably connected to the rear part of the front wheel bracket, an upper part and a lower part of the upper link frame The rear wheel bracket that is rotatably connected, the bottom link that is rotatably connected to the roughly middle part of the front wheel bracket, the rear part of the bottom link is rotatably connected to the rear wheel bracket, so The front wheel assembly is arranged on the front part of the front wheel bracket, and the rear wheel assembly is arranged on the lower end of the rear wheel bracket.

In some embodiments, the cart frame includes a front wheel bracket, an upper link frame whose upper part is rotatably connected to the rear part of the front wheel bracket, an upper part and a lower part of the upper link frame The lower link frame that is rotatably connected, the rear wheel frame that is rotatably connected with the upper part of the front wheel frame, and the lower part of the lower link frame is rotatably connected with the rear wheel frame. The front wheel assembly is arranged on the front part of the front wheel bracket, and the rear wheel assembly is arranged on the lower end of the rear wheel bracket.

In some further embodiments, the lower part of the push handle rod is fixedly connected to one of the left and right side parts of the upper link frame.

In some further embodiments, the seat stay is arranged on the front wheel bracket.

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, 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 utility model has the following advantages compared with the prior art: after the rotation locking mechanism is unlocked, the seat mechanism can rotate around the first rotating shaft and move towards the left and right sides of the trolley frame where there is no push lever. The direction of that side is rotated, so that the position of the seat mechanism relative to the cart frame can be changed, and the operation is convenient and the structure is simple.

Description of drawings

Accompanying drawing 1 is the front view of the present utility model (embodiment one, cart frame is under the expanded position);

Accompanying drawing 2 is the front view of the utility model (embodiment 1, the cart frame is in the transition process between the unfolded position and the folded position);

Accompanying drawing 3 is the front view of the utility model (embodiment 1, the cart frame is under the folded position);

Accompanying drawing 4 is the three-dimensional view of the present utility model (embodiment one, cart frame is under the expanded position);

Accompanying drawing 5 is the three-dimensional view of the present utility model (embodiment one, cart frame is in the conversion process of expanded position and folded position);

Accompanying drawing 6 is the perspective view of the present utility model (embodiment one, cart frame is under the folded position);

Accompanying drawing 7 is the front view of the utility model (embodiment 2, the cart frame is under the deployed position);

Accompanying drawing 8 is the front view of the utility model (embodiment 2, the cart frame is in the transition process between the unfolded position and the folded position);

Accompanying drawing 9 is the front view of the utility model (embodiment 2, the cart frame is in the folded position).

Among them: 1. Cart frame; 2. Front wheel assembly; 3. Rear wheel assembly; 4. Push handle bar; 5. Seat support frame; 7. Seat frame; 8. Push handle; 9. Front wheel support; 10, upper link frame; 11, rear wheel support; 12, lower link frame; 13, bottom link; 14, seat mechanism.

Detailed ways

Embodiment 1: As shown in accompanying drawings 1 to 6, a baby stroller includes a stroller frame 1 with an unfolded position and a folded position, and front wheels arranged at the front bottom of the stroller frame 1 Component 2, the rear wheel assembly 3 arranged at the bottom rear of the cart frame 1, the seat mechanism 14 arranged on the cart frame 1, used to lock the cart frame 1 Frame locking mechanism in deployed position.

The specific structure of the cart frame 1 is not the focus of protection of the utility model, and although the folding principle and connection structure of the cart frame 1 can be different, push handles are provided on the cart frame 1 Rod for the pusher to hold. In the invention of the utility model, only one side of the left and right sides of the cart frame 1 is provided with a push handle bar 4, as shown in accompanying drawings 4-6, the described push The vehicle frame 1 is only provided with the push handle bar 4 on the right side.

As shown in accompanying drawing 4-accompanying drawing 6, described seat mechanism 14 comprises seat support 5, and described seat support 5 can be directly connected or detachably be connected on described trolley frame 1, also It can be connected to the cart frame 1 through other components or detachably connected, but the seat support 5 can be arranged on the cart frame 1 so as to be relatively rotatable around the first rotation axis, And the axis line of the first rotating shaft extends along the up and down direction, and the baby stroller also includes a rotation lock for locking the position of the seat support frame 5 relative to the stroller frame 1 after rotation. mechanism. In this embodiment, the rotation locking mechanism is arranged between the seat frame 5 and the stroller frame 1 . Through the rotation locking mechanism, the seat support frame 5 can be fixedly in a certain position relative to the cart frame 1, such as the position where the seat mechanism 14 faces away from the cart person, and the seat mechanism 14 faces the cart person's position. The rotation locking mechanism is not the main point of the utility model created by the utility model, as long as it is a locking mechanism that can lock two rotating parts, it can be used here. As described below, one of the connecting seat and the seat brace 5 is slidably provided with a detent pin, and the other has at least two detent grooves (seat brace 5 can be locked in At least two positions), the detent pin slides in the up and down direction, and both the detent pin and the detent groove deviate from the axis of the first rotating shaft.

In this embodiment, as shown in accompanying drawings 4-6, the seat support frame 5 and the cart frame 1 are detachably arranged, such as the seat support frame 5 having an insertion cavity with an opening downward , the insertion cavity is not shown in the figure, and a connecting seat on the cart frame 1 can be rotatably inserted into the insertion cavity. A connection mechanism for preventing the seat support 5 from being disengaged from the stroller frame 1 is provided between the seat frame 5 and the stroller frame 1 . For example, based on the connection structure between the aforementioned seat frame 5 and the cart frame 1, the connection mechanism can be that there are multiple lock hooks that slide or rotate on the seat frame 5, and the multiple lock hooks can hook the Connecting seat. It is also possible that the seat support frame 5 has an insertion shaft, and a connection seat on the cart frame 1 has an upward insertion cavity, and the insertion shaft can be rotatably inserted in the insertion cavity, and the connection mechanism can be A sliding piece is slidably arranged on the connecting seat, and an annular groove is formed on the insertion shaft, and the sliding piece is inserted in the annular groove so as to prohibit the separation of the seat mechanism 14 from the cart frame 1 .

As shown in accompanying drawing 1-accompanying drawing 6, described seat mechanism 14 also comprises seat frame 7, and described seat frame 7 is arranged on described seat frame 5 so that it can rotate around the second rotating shaft. The seat mechanism 14 is provided with a seat locking mechanism for locking the position of the seat frame 7 relative to the seat support frame 5 after rotation. The specific structure of the seat locking mechanism is not the gist of the utility model, as long as it is a locking mechanism that can lock two rotating parts, it can be used here. For example, there is a first tooth groove on the seat frame 7, a second tooth groove is provided on the seat support frame 5, and a tooth block is slidably arranged in the first tooth groove and the second tooth groove. When the mechanism is locked, the tooth block is inserted into the first tooth slot and the second tooth slot at the same time. When the rotation locking mechanism is unlocked, the tooth block is only inserted in the first tooth slot or only in the second tooth slot. in the slot.

The relationship between the seat frame 7 and the seat frame 5 may be that the seat frame 7 and the seat frame 5 are only detachably connected; ; It can also be set detachably and also rotatably, as the two sides of the seat support frame 5 are connected with the connecting frame through the second rotating shaft, and the two sides of the seat frame 7 are connected with the corresponding said The connecting frame is detachably connected.

As shown in accompanying drawings 4 to 6 , the upper end of the push bar 4 extends toward the other side of the left and right sides of the cart frame 1 to form a push handle 8 . The push handle 8 is located between the left and right sides of the stroller frame 1, which is convenient for the pusher to hold the push handle 8 and push the baby stroller forward.

As shown in accompanying drawing 1-accompanying drawing 3, described cart vehicle frame 1 comprises front wheel support 9, the upper link frame 10 that the upper part is rotatably connected with the rear part of described front wheel support 9, the upper part and the rear part of described front wheel support 9 The rear wheel bracket 11 that is rotatably connected to the lower part of the upper link frame 10, the bottom link 13 that is rotatably connected to the roughly middle part of the front wheel bracket 9, and the rear part of the bottom link 13 Rotately connected with the rear wheel bracket 11, the front wheel assembly 2 is arranged on the front part of the front wheel bracket 9, and the rear wheel assembly 3 is arranged on the rear wheel bracket 11 lower end. The rear wheel assembly 3 includes a left rear wheel assembly and a right rear wheel assembly, the left rear wheel assembly 3 is located at the left side of the rear wheel bracket 11, and the right rear wheel assembly 3 is located at the rear wheel bracket 11 the right side of the cart frame 1, and the front wheel assembly 2 can be only one group, located in the middle between the left and right sides of the cart frame 1, or there can be two groups shown in this embodiment, similarly , respectively located at the left and right sides of the front wheel bracket 9. The lower part of the push rod 4 is fixedly connected to one side of the left and right sides of the upper link frame 10 . In this embodiment, the lower part of the push rod 4 is fixedly connected to the right side part of the upper link frame 10 . The push bar 4 can also be installed on one side of the left and right sides of the front wheel bracket 9, such as the lower end of the push bar 4 is rotatably connected with the front wheel bracket 9, and between the two Set the locking device. The seat frame 5 is arranged on the front wheel bracket 9 . The front wheel support 9 has a fixed aforementioned connecting seat, and the seat support frame 5 is connected with the connecting seat.

The vehicle frame locking mechanism described is not the key point of the utility model, as long as it is a vehicle frame locking mechanism capable of locking two rotating parts, it can be used here. Such as can be arranged between the front wheel bracket 9 and the described upper link frame 10, also can be arranged between the described upper link frame 10 and the described rear wheel frame 11. For example, the frame lock mechanism is provided with a lock hook on the upper link frame 10, and the front wheel bracket 9 has a fixed lock bar. When locking, the lock hook hooks the lock bar, so that the push The car frame forms a stable triangle.

Embodiment two, the difference between embodiment two and embodiment one is that the connection structure of the cart frame is different, as shown in accompanying drawing 7-accompanying drawing 9, described cart frame 1 comprises front wheel support 9, upper part The upper link frame 10 that is rotatably connected to the rear part of the front wheel bracket 9, the lower link frame 12 that is rotatably connected to the bottom of the upper link frame 10, the upper part and the front wheel The rear wheel bracket 11 is rotatably connected to the roughly middle part of the bracket 9, the lower part of the lower link frame 12 is rotatably connected to the rear wheel bracket 11, and the front wheel assembly 2 is arranged on the front The front part of the wheel bracket 9, the rear wheel assembly 3 is arranged on the lower end of the rear wheel bracket 11.

The frame locking mechanism can be arranged between the upper link frame 10 and the front wheel bracket 9, or between the upper link frame 10 and the lower link frame 12, Equally, the concrete structure of vehicle frame locking mechanism is not the point that the utility model creates.

The orientation words such as front, rear, left, right, up, and down mentioned above are defined when the cart frame 1 is in the unfolded position, and as shown in accompanying drawing 1, accompanying drawing 4-accompanying drawing 7 , the position of the front wheel assembly 2 is the front and bottom of the cart frame 1, and the position of the rear wheel assembly 3 is the rear and bottom of the cart frame 1.

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. A baby stroller, comprising 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), and a front wheel assembly (2) arranged at the bottom front of the stroller frame (1), The rear wheel assembly (3) at the bottom rear of the cart frame (1), the seat mechanism (14) arranged on the cart frame (1), is used to place the cart frame ( 1) The frame locking mechanism locked in the unfolded position, It is characterized in that: only one side of the left and right sides of the cart frame (1) is provided with a push lever (4), The seat mechanism (14) includes a seat support frame (5), and the seat support frame (5) is rotatably arranged on the cart frame (1) around a first rotating shaft, and the first The axis line of a rotating shaft extends along the up and down direction, and the baby stroller also includes a rotation locking mechanism for locking the position of the seat support (5) after rotation relative to the stroller frame (1) . 2. The toddler stroller according to claim 1, characterized in that: said seat support (5) is detachably arranged with said stroller frame (1), and said seat support (5) ) and the cart frame (1) are provided with a connection mechanism for prohibiting the seat support (5) from disengaging from the cart frame (1). 3. The stroller according to claim 1, characterized in that: the rotation locking mechanism is arranged between the seat support (5) and the stroller frame (1). 4. The stroller according to claim 1, characterized in that: the seat mechanism (14) also includes a seat frame (7), and the two sides of the seat frame (7) are respectively connected to the The two side portions of the seat support frame (5) are detachably connected. 5. The stroller according to claim 1, characterized in that: the seat mechanism (14) further comprises a seat frame (7), and the seat frame (7) is rotatably arranged around a second rotating shaft On the seat bracket (5), the seat mechanism (14) is provided with a seat lock for locking the position of the seat frame (7) relative to the seat bracket (5) after rotation mechanism. 6. The stroller according to claim 1, characterized in that: the upper end of the push bar (4) is provided with a length along the left and right sides of the stroller frame (1). The other side of the direction extends to form a push handle (8). 7. The infant stroller according to claim 1, characterized in that: the stroller frame (1) includes a front wheel bracket (9), and the upper part rotates with the rear part of the front wheel bracket (9) The connected upper link frame (10), the rear wheel bracket (11) that is rotatably connected to the bottom of the upper link frame (10), the front part and the roughly middle part of the front wheel bracket (9) The bottom link (13) connected in rotation, the rear part of the bottom link (13) is rotatably connected with the rear wheel bracket (11), and the front wheel assembly (2) is arranged on the The front part of the front wheel bracket (9), and the rear wheel assembly (3) is arranged at the lower end of the rear wheel bracket (11). 8. The infant stroller according to claim 1, characterized in that: said stroller frame (1) comprises a front wheel support (9), and the upper part rotates with the rear part of said front wheel support (9) The connected upper link frame (10), the upper part and the lower link frame (12) which is rotatably connected to the lower part of the upper link frame (10), the upper part and the approximate middle part of the front wheel bracket (9) The rear wheel bracket (11) is rotatably connected, the lower part of the lower link frame (12) is rotatably connected with the rear wheel bracket (11), and the front wheel assembly (2) is arranged on the The front part of the front wheel bracket (9), and the rear wheel assembly (3) is arranged at the lower end of the rear wheel bracket (11). 9. The stroller according to claim 7 or 8, characterized in that: the lower part of the push handle rod (4) and one side part of the left and right sides of the upper link frame (10) are fixedly connected. 10. The stroller according to claim 7 or 8, characterized in that the seat support (5) is arranged on the front wheel support (9).

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