CN212637616U

CN212637616U - stroller

Info

Publication number: CN212637616U
Application number: CN202021468487.3U
Authority: CN
Inventors: 李丰; 吴传翔
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-03-02
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a children's shallow, including the shallow frame, the shallow frame includes the bottom bracket subassembly, push rod assembly and the side connecting rod of being connected with push rod assembly rotation, the bottom bracket subassembly includes the fore-stock, the after-poppet, preceding connecting rod, seat pole and seat pole connecting rod, the fore-stock can rotate and slide with the after-poppet and be connected, push rod assembly and after-poppet rotate mutually and connect, preceding connecting rod rotates mutually with the after-poppet and connects, perhaps preceding connecting rod, push rod assembly and the three part looks coaxial rotation of after-poppet are connected, preceding connecting rod rotates with the fore-stock and is connected, the seat pole, two parts in side connecting rod and the three part of before-poppet rotate mutually and are connected, any part in third part and the aforesaid two parts rotates mutually and is connected, perhaps the three part looks coaxial rotation of above-mentioned three is connected, the seat pole connecting rod rotates with seat pole and preceding connecting rod respectively and is. The folding operation of this children's shallow is convenient, and folding back structure is small, portable and deposit.

Description

Children's barrow

Technical Field

The utility model relates to a children's articles for use technical field, concretely relates to children's shallow.

Background

The child stroller provides great convenience for adults to carry small children for outdoor activities, so that the child stroller gradually becomes a necessity for adults to carry children for outdoor activities. In order to facilitate the carrying and storage of the stroller, the stroller frame of the stroller can be folded. The existing children stroller has various types, different numbers of rod pieces of a stroller frame and different connecting positions among the rod pieces, so that the folding principle, the folding mode and the folding effect are different.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a modified children's shallow to not enough among the prior art.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a children's shallow, has expansion and fold condition, children's shallow includes the shallow frame, sets up the anterior front wheel subassembly in the end of shallow frame is in with the setting rear wheel subassembly at the end rear portion of shallow frame, the shallow frame includes the bottom bracket subassembly, can set up with rotating the push rod subassembly of bottom bracket top is in with connect the bottom bracket subassembly with side connecting rod between the push rod subassembly, the upper portion of side connecting rod with the push rod subassembly rotates mutually and connects, the bottom bracket subassembly includes:

the front bracket is arranged below the front bracket;

the rear wheel assembly is arranged below the rear bracket, the front bracket can rotate and is arranged on the rear bracket in a sliding manner along the length extension direction of the rear bracket, and the lower part of the push rod assembly is rotationally connected with the upper part of the rear bracket;

one end of the front connecting rod is rotatably connected with the upper part of the rear bracket, or one end of the front connecting rod, the lower part of the push rod assembly and the upper part of the rear bracket are rotatably connected in the same shaft, and the other end of the front connecting rod is rotatably connected with the front bracket;

a seat post, wherein two of the three parts of the rear end part of the seat post, the lower part of the side link and the upper part of the front bracket are rotationally connected, and the third part is rotationally connected with any one of the two parts, or the three parts are rotationally connected in the same shaft;

and two end parts of the seat rod connecting rod are respectively and rotatably connected with the front end part of the seat rod and the front connecting rod.

Preferably, the bottom bracket assembly further includes a first sliding member, the first sliding member is slidably disposed on the rear bracket along the length extending direction of the rear bracket, the front bracket is rotatably connected to the first sliding member, or the first sliding member is a rotating shaft rotatably connected to the front bracket and the rear bracket, the first sliding member is fixedly disposed on the upper portion of the front bracket, the first sliding member is rotatable relative to the rear bracket, and is slidably disposed on the rear bracket along the length extending direction of the rear bracket.

Preferably, the upper portion of the side link can also be arranged in a manner of sliding along the length extending direction of the push rod assembly relative to the push rod assembly, the push rod assembly has a forward using state extending obliquely upwards from the front to the back and a reverse using state extending obliquely upwards from the back to the front, and when the push rod assembly is switched between the forward using state and the reverse using state, the upper portion of the side link slides up and down along the length extending direction of the push rod assembly.

Furthermore, the cart frame further comprises a second sliding piece which can be arranged on the push rod assembly in a sliding mode along the length extending direction of the push rod assembly, and the upper portion of the side connecting rod is connected with the second sliding piece in a rotating mode.

Still further, the children's shallow still includes and is used for with bottom bracket component locks the first locking mechanism at the expansion state, works as the children's shallow is in the expansion state when push rod assembly switching-over, first locking mechanism is in the locking state, push rod assembly with the side connecting rod homoenergetic is relative bottom bracket component rotates, the second slider can be relative push rod assembly slides.

Furthermore, when the push rod assembly is in a forward use state, the stroller can be folded, and when the stroller is folded, the relative position between the second sliding piece and the push rod assembly is locked.

Preferably, the stroller further comprises a first locking mechanism for locking the bottom bracket assembly in the unfolded state, the push rod assembly comprises a lower push rod and an upper push rod, the lower portion of the upper push rod is rotatably connected with the upper portion of the lower push rod, the lower portion of the lower push rod is rotatably connected with the upper portion of the rear bracket, and when the stroller is folded, the upper push rod is overturned to be close to the lower push rod, the first locking mechanism is driven to unlock.

Preferably, one end of the front link, the lower part of the push rod assembly and the upper part of the rear bracket are connected in a same-axis rotating manner, and the rear end of the seat bar, the lower part of the side link and the upper part of the front bracket are connected in a same-axis rotating manner.

Preferably, the front bracket includes a front rod extending obliquely upward from front to back and an extension rod extending obliquely upward from an upper portion of the front rod, the upper portion of the front rod is rotatably and slidably disposed on the rear bracket along a length extending direction of the rear bracket, two of the three members of the rear end portion of the seat rod, the lower portion of the side link and the upper portion of the extension rod are rotatably connected, and the third member is rotatably connected to any one of the two members, or the three members are rotatably connected in the same axis.

Preferably, when the stroller is in the unfolded state, on the front connecting rod, the rotating connection position of the front connecting rod and the rear support, the rotating connection position of the front connecting rod and the seat rod connecting rod, and the rotating connection position of the front connecting rod and the front support are sequentially arranged from top to bottom, and the rotating connection position of the side connecting rod and the front support is located between the rotating connection position of the side connecting rod and the push rod assembly and the rotating connection position of the front support and the rear support.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a children's shallow simple structure, folding convenient operation, this children's shallow folding back structure is small moreover, portable and deposit.

Drawings

Fig. 1 is a perspective view of the stroller of the present invention in an unfolded state (the push rod assembly is in a forward use state);

fig. 2 is a side view of the stroller of the present invention in a deployed state (the push rod assembly is in a forward use state);

fig. 3 is a perspective view of the stroller of the present invention in a deployed state (the push rod assembly is in a reverse use state);

fig. 4 is a side view of the stroller of the present invention in a deployed state (the push rod assembly is in a reverse use state);

fig. 5 is a perspective view of the stroller of the present invention during folding (the upper push rod is turned forward and moved closer to the lower push rod to unlock the first locking mechanism);

fig. 6 is a side view of the stroller of the present invention during folding (the upper push rod is turned forward and moved closer to the lower push rod to unlock the first locking mechanism);

fig. 7 is a perspective view of the stroller of the present invention during the folding process;

fig. 8 is a side view of the stroller of the present invention during the folding process;

fig. 9 is a perspective view of the stroller of the present invention in a folded state;

fig. 10 is a side view of the stroller of the present invention in a folded position.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 10, the stroller of the present invention comprises a stroller frame, a front wheel assembly 50 disposed at the front portion of the bottom of the stroller frame, and a rear wheel assembly 60 disposed at the rear portion of the bottom of the stroller frame.

The cart frame comprises a bottom bracket component 1 positioned at the bottom, a push rod component 2 positioned above the bottom bracket component 1 and a side connecting rod 3 connected between the bottom bracket component 1 and the push rod component 2.

The bottom bracket assembly 1 includes a front bracket 11, a rear bracket 12, a first slider 13, a front link 14, a seat bar 15, and a seat bar link 16. The front wheel assembly 50 is disposed at a lower portion of the front bracket 11. The rear wheel assembly 60 is disposed at a lower portion of the rear bracket 12. The front bracket 11 is rotatably and slidably provided on the rear bracket 12 in the longitudinal extension direction of the rear bracket 12. The first sliding piece 13 is arranged on the rear bracket 12 in a manner of sliding along the length extension direction of the rear bracket 12, and the front bracket 11 is rotatably connected with the first sliding piece 13; or the first sliding part is a rotating shaft which is rotatably connected with the front bracket 11 and the rear bracket 12, the first sliding part is fixedly arranged at the upper part of the front bracket 11, and the first sliding part can rotate relative to the rear bracket 12 and is arranged on the rear bracket 12 in a manner of sliding along the length extending direction of the rear bracket 12. One end of the front link 14 is rotatably connected to the upper portion of the rear bracket 12, or one end of the front link 14, the upper portion of the rear bracket 12 and the lower portion of the push rod assembly 2 are rotatably connected to the same shaft, and the other end of the front link 14 is rotatably connected to the front bracket 11. Two of the three members of the rear end portion of the seatpost 15, the lower portion of the side link 3, and the upper portion of the front bracket 11 are rotatably connected, and the third member is rotatably connected to either one of the two members, or the three members are rotatably connected in the same axis.

The push rod assembly 2 comprises a lower push rod 21 and an upper push rod 22, wherein the lower part of the upper push rod 22 is rotatably connected with the upper part of the lower push rod 21, the upper part of the side connecting rod 3 is rotatably connected with the lower push rod 21, the lower part of the lower push rod 21 is rotatably connected with the upper part of the rear bracket 12, or one end part of the front connecting rod 14, the lower part of the lower push rod 21 and the upper part of the rear bracket 12 are rotatably connected in the same shaft.

In this embodiment, the end portion of the front link 14, the lower portion of the lower push rod 21, and the upper portion of the rear bracket 12 are coaxially and rotatably connected, and the rear end portion of the seat bar 15, the lower portion of the side link 3, and the upper portion of the front bracket 11 are coaxially and rotatably connected. Thus, a crank-slider mechanism is formed between the front bracket 11, the rear bracket 12, the first slider 13, and the front link 14, and a four-link mechanism is formed between the front bracket 11, the seatpost 15, the seatpost link 16, and the front link 14.

In the present embodiment, the front bracket 11 includes a front rod 111 extending obliquely upward from the front to the rear and an extension rod 112 extending obliquely upward from an upper portion of the front rod 111, an upper portion of the front rod 111 is rotatably connected to the first slider 13, and a rear end portion of the seat rod 15, a lower portion of the side link 3, and an upper portion of the extension rod 112 are rotatably connected in the same axis.

The upper portion of the side link 3 can also be slidably disposed with respect to the lower push rod 21. Specifically, the stroller frame further comprises a second sliding member 4 slidably disposed on the lower push rod 21 along the longitudinal extension direction of the lower push rod 21, and the upper portion of the side link 3 is rotatably connected to the second sliding member 4. Thus, the push rod assembly 2 can be rotated forward or backward relative to the bottom bracket assembly 1 while the bottom bracket assembly 1 remains stationary.

The child stroller further comprises a locking mechanism for locking the stroller frame in the unfolded state, the locking mechanism comprising a first locking mechanism for locking the bottom bracket assembly 1 in the unfolded state, a second locking mechanism for locking the push-up rod 22 and the push-down rod 21 in the unfolded state, and a third locking mechanism for locking the relative positions of the second slider 4 and the side link 3. In the present embodiment, the first locking mechanism is provided between the rear bracket 12 and the first slider 13. When the second locking mechanism is unlocked, the upper push rod 22 is forwards turned and is close to the lower push rod 21, the first locking mechanism can be driven to unlock, and therefore the first locking mechanism is unlocked without independent operation, and the folding operation of the stroller is convenient. The first locking mechanism, the second locking mechanism and the third locking mechanism can adopt the structure in the prior art.

When the stroller is in the deployed state, the first, second, and third locking mechanisms are in the locked state. The lower push rod 21 and the upper push rod 22 extend in the same linear direction. The first slider 13 is positioned on the rear bracket 12 at an upper portion of the rear bracket 12. On the front bracket 11, a rotational joint of the front bracket 11 and the side link 3, a rotational joint of the front bracket 11 and the first slider 13, and a rotational joint of the front bracket 11 and the front link 14 are arranged in this order from top to bottom. On the front link 14, the rotary joints of the front link 14 with the lower push rod 21 and the rear bracket 12, the rotary joints of the front link 14 with the seat bar link 16, and the rotary joints of the front link 14 with the front bracket 11 are arranged in this order from top to bottom. The rotary joint of the side link 3 and the front bracket 11 is located between the rotary joint of the side link 3 and the push rod assembly 2 and the rotary joint of the front bracket 11 and the rear bracket 12. The push rod assembly 2 has a forward use state and a reverse use state. When the push rod assembly 2 is in the forward use state, the push rod assembly 2, i.e., the lower push rod 21 and the upper push rod 22, each extend obliquely upward from front to back, as shown in fig. 1 and 2. When the push rod assembly 2 is in the reverse use state, the push rod assembly 2, i.e., the lower push rod 21 and the upper push rod 22, each extend obliquely upward from the rear to the front, as shown in fig. 3 and 4.

When the push rod assembly 2 is switched between the forward use state and the reverse use state, the first locking mechanism is in the locking state, that is, the positions of the components forming the bottom bracket assembly 1 are all in a relatively fixed state, the components cannot move relatively, and the whole bottom bracket assembly 1 is equivalent to a rigid integral structure. The second locking mechanism is also in a locked state, i.e. the position between the lower push rod 21 and the upper push rod 22 is relatively fixed, and no relative movement occurs between the two. The third locking mechanism is in an unlocked state such that a crank-slider mechanism is formed between the bottom bracket assembly 1, the push rod assembly 2, the second slide 4 and the side link 3. When the push rod assembly 2 is switched from a forward use state to a reverse use state, the push rod assembly 2 integrally rotates forwards around a rotary connection part with the rear support 12 and the front connecting rod 14, the side connecting rod 3 is driven to synchronously rotate forwards around the rotary connection part with the front support 11 and the seat rod 15 through a crank-slider mechanism formed among the bottom support assembly 1, the push rod assembly 2, the second sliding piece 4 and the side connecting rod 3, and the second sliding piece 4 slides downwards along the length extension direction of the lower push rod 21 until the push rod assembly 2 is in the reverse use state; when the push rod assembly 2 is switched from the reverse use state to the forward use state, the push rod assembly 2 integrally rotates backwards around the rotating connection part with the rear support 12 and the front connecting rod 14, the crank slider mechanism formed among the bottom support assembly 1, the push rod assembly 2, the second sliding piece 4 and the side connecting rod 3 drives the side connecting rod 3 to synchronously rotate backwards around the rotating connection part with the front support 11 and the seat rod 15, and the second sliding piece 4 slides upwards along the length extension direction of the lower push rod 21 until the push rod assembly 2 is in the forward use state.

When the push rod assembly 2 is in the forward use state, the stroller can be folded, and when the stroller is folded, the third locking mechanism is in the locking state, that is, the relative positions of the second slider 4 and the side link 3 are locked, and the two are equivalent to a whole body and do not move relatively. The second locking mechanism is unlocked, the upper push rod 22 is turned forward and downward to be close to the lower push rod 21, and the first locking mechanism is unlocked simultaneously in the process that the upper push rod 22 rotates relative to the lower push rod 21, as shown in fig. 5 and 6. The push rod assembly 2 is pressed downwards to be close to the rear support 12, the seat rod 15 is driven to turn backwards through the side connecting rod 3, the second sliding piece 13 slides downwards along the length extending direction of the rear support 12, the front support 11 and the rear support 12 rotate relatively to be close to each other, the folding process is as shown in fig. 7 and 8, until all the components forming the stroller frame are close to each other, and finally the stroller frame is folded as shown in fig. 9 and 10. Under final folding state, front wheel subassembly 50 and rear wheel subassembly 60 prop jointly and stand on ground, and whole children's shallow is the platykurtic, compact structure, and the volume is less, makes things convenient for children's shallow daily accomodating and carrying the use.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A stroller having unfolded and folded states, the stroller comprising a stroller frame, a front wheel assembly disposed on the bottom front of the stroller frame, and a stroller frame disposed on the stroller frame The bottom rear rear wheel assembly is characterized in that: the cart frame includes a bottom bracket assembly, a push rod assembly rotatably arranged above the bottom bracket, and a push rod assembly connected to the bottom bracket assembly and the push rod assembly. A side link between rod assemblies, the upper part of the side link is rotatably connected with the push rod assembly, and the bottom bracket assembly includes:

a front bracket, the front wheel assembly is arranged below the front bracket;

A rear bracket, the rear wheel assembly is arranged below the rear bracket, the front bracket is rotatable and can be slidably arranged on the rear bracket along the lengthwise extending direction of the rear bracket, the push rod assembly is The lower part is rotatably connected with the upper part of the rear bracket;

Front link, one end of the front link and the upper part of the rear bracket are rotatably connected, or one end of the front link, the lower part of the push rod assembly and the upper part of the rear bracket are three parts The same shaft is rotatably connected, and the other end of the front link is rotatably connected with the front bracket;

A seat post, the rear end of the seat post, the lower part of the side link and the upper part of the front bracket are rotatably connected to two of the three parts, and the third part is connected to any of the two parts. One component is rotationally connected, or the above three components are rotationally connected on the same axis;

A seat post link, the two ends of the seat post link are respectively rotatably connected with the front end of the seat post and the front link.

2 . The stroller according to claim 1 , wherein the bottom bracket assembly further comprises a first sliding member, and the first sliding member is slidably disposed on the rear bracket along the lengthwise extending direction of the rear bracket. 3 . On the rear bracket, the front bracket is rotatably connected to the first sliding member, or the first sliding member is a rotating shaft that is rotatably connected to the front bracket and the rear bracket, and the first sliding member The first sliding member is fixedly arranged on the upper part of the front bracket, and the first sliding member is rotatable relative to the rear bracket, and is slidably arranged on the rear bracket along the lengthwise extending direction of the rear bracket.

3 . The stroller according to claim 1 , wherein the upper portion of the side link is also slidably disposed relative to the push rod assembly along the lengthwise extending direction of the push rod assembly, and the push rod The assembly has a forward use state extending obliquely from the front to the back and a reverse use state extending upward from the back to the front. When the push rod assembly is converted between the forward use state and the reverse use state, the The upper part of the side link slides up and down along the lengthwise extending direction of the push rod assembly.

4 . The stroller according to claim 3 , wherein the stroller frame further comprises a second sliding member slidably disposed on the push rod assembly along the lengthwise extending direction of the push rod assembly. 5 . The upper part of the side link is rotatably connected with the second sliding piece.

5. The stroller of claim 4, further comprising a first locking mechanism for locking the bottom bracket assembly in the deployed state, when the stroller is deployed When the push rod assembly is reversed, the first locking mechanism is in a locked state, the push rod assembly and the side link can be rotated relative to the bottom bracket assembly, and the second sliding member can be relatively The push rod assembly slides.

6 . The stroller according to claim 4 , wherein when the push rod assembly is in a forward use state, the stroller can be folded, and when the stroller is folded, the second stroller can be folded. 7 . The relative position between the slider and the push rod assembly is locked.

7. The stroller of claim 1, wherein the stroller further comprises a first locking mechanism for locking the bottom bracket assembly in the deployed state, the push rod assembly comprising a push down rod and upper push rod, the lower part of the upper push rod is rotatably connected with the upper part of the lower push rod, the lower part of the lower push rod is rotatably connected with the upper part of the rear bracket, when the stroller is folded , when the upper push rod is turned over to be close to the lower push rod, the first locking mechanism is driven to unlock.

8 . The stroller according to claim 1 , wherein one end of the front link, the lower part of the push rod assembly, and the upper part of the rear bracket are connected in rotation with the same axis; The rear end part of the seat post, the lower part of the side link and the upper part of the front bracket are connected to the same axis for rotation.

9 . The stroller according to claim 1 , wherein the front bracket comprises a front strut extending obliquely upward from front to rear and an extension rod extending obliquely upward from an upper portion of the front strut, the The upper part of the front stay is rotatably and slidably provided on the rear bracket along the lengthwise extending direction of the rear bracket, the rear end of the seat post, the lower part of the side link and the extension bar are Two of the three upper parts are rotatably connected, and the third part is rotatably connected with any one of the aforementioned two parts, or the above three parts are rotatably connected on the same axis.

10 . The stroller according to claim 1 , wherein when the stroller is in a deployed state, on the front link, the rotation connection between the front link and the rear bracket is 10 . , The rotational connection between the front link and the seat post link, and the rotational connection between the front link and the front bracket are arranged in order from top to bottom, and the side link and the front bracket are arranged in sequence from top to bottom. The rotational connection is between the rotational connection of the side link and the push rod assembly and the rotational connection of the front bracket and the rear bracket.