CN110733551A - Children's barrow - Google Patents

Abstract

The invention discloses a children's stroller, comprising a stroller frame, the stroller frame comprising a front bracket, a rear bracket, a lower push rod, an upper push rod, a strut, a front connecting rod, a rear connecting rod and a stop plate assembly, The upper part of the front bracket, the upper part of the rear bracket and the lower part of the lower push rod are connected in rotation with two parts, and the third part is connected in rotation with any of the two parts; the lower part of the upper push rod is connected with the lower part of the push rod The upper part of the rod is rotatably connected; the strut is rotatably connected with the upper push rod and the rear bracket; one end of the front link is rotatably connected with the front bracket; one end of the rear link is rotatably connected with the other end of the front link; The other end of the rod is rotatably connected with the rear bracket, the strut is rotatably and slidably arranged on the rear link; the stand plate assembly is slidably arranged relative to the rear link. The children's stroller has a simple structure, is easy to fold and unfold, has a compact structure after being folded, occupies a small space, is easy to carry and store, and is convenient for consumers to use.

Description

stroller

technical field

The invention relates to the technical field of children's products, in particular to a children's stroller.

Background technique

A two-person 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 disposed at the bottom of the stroller frame, for locking the stroller frame in the unfolded position Locking mechanism in state. There are many types of existing two-person strollers, the number of poles on the frame of the stroller is different, and the connection positions between the poles are different, so the folding principle and folding method are different, and the effect after folding is also different. Restricted by the structure of the existing cart frame, the current double cart is not compact enough after being folded, occupies a large space, and is not easy to carry and transport.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an improved stroller for children.

To achieve the above object, the technical scheme adopted in the present invention is:

A stroller has unfolded and folded states, the stroller includes a stroller frame, the stroller frame includes:

a front bracket, the front wheel assembly is mounted on the lower part of the front bracket;

a rear bracket, the rear wheel assembly is mounted on the lower part of the rear bracket;

Lower push rod, the upper part of the front bracket, the upper part of the rear bracket and the lower part of the lower push rod are rotatably connected with two of the three parts, and the third part is connected with any one of the two parts phase rotation connection;

an upper push rod, the lower part of the upper push rod is rotatably connected with the upper part of the lower push rod;

a strut, the strut is respectively rotatably connected with the upper push rod and the rear bracket;

a front link, one end of the front link is rotatably connected with the front bracket;

a rear link, one end of the rear link is rotatably connected with the other end of the front link, the other end of the rear link is rotatably connected with the rear bracket, and the strut can rotate and is slidably arranged on the rear connecting rod;

The stand plate assembly is slidably disposed relative to the rear link.

Preferably, the cart frame further includes a first sliding sleeve, the first sliding sleeve is slidably disposed on the rear link along the lengthwise extending direction of the rear link, and the lower end of the strut The first sliding sleeve is rotatably connected with the first sliding sleeve, one end of the stand plate assembly is fixedly connected with the first sliding sleeve, and the first sliding sleeve is located on the front connecting rod on the rear connecting rod Between the rotational connection with the rear link and the rotational connection between the rear link and the rear bracket.

Preferably, the cart frame further includes a second sliding sleeve, the second sliding sleeve is rotatably connected with the rear bracket, and the stand plate assembly is slidably disposed on the second sliding sleeve.

Preferably, the stroller further includes a seat assembly disposed on the stroller frame, the seat assembly including a first seat and a second seat both extending in a front-rear direction, the first seat located on the The front part of the second seat, one end of the second seat is rotatably connected with the lower push rod or the rear bracket, the second seat is rotatably connected with the support rod at the same time, the first seat set on the second seat.

Further, the first seat is slidably disposed on the second seat along the lengthwise extending direction of the second seat.

Further, the first seat is detachably arranged on the second seat.

Further, the first seat has a forward installation state and a reverse installation state on the second seat.

Further, the second seat includes a front seat post and a rear seat plate, and two ends of the front seat post are respectively rotatably connected with the push-down rod or the rear bracket and the strut, and the first seat is provided on the front seat post, and the rear seat panel is detachably provided on the front seat post.

Further, the second seat includes a front seat post and a rear seat plate, and two ends of the front seat post are respectively rotatably connected with the push-down rod or the rear bracket and the strut, and the first seat It is arranged on the front seat post, and the rear seat plate is rotatably connected with the front seat post.

Further, four parts of the upper part of the front bracket, the upper part of the rear bracket, the lower part of the lower push rod and one end of the second seat are connected in the same axis rotation.

Preferably, the stroller further includes a seat assembly disposed on the stroller frame, the seat assembly including a seat pocket assembly disposed on the front bracket and a seat fixedly disposed on the strut rod.

Preferably, the stroller further includes an auxiliary wheel disposed at the bottom rear of the stand assembly.

Due to the application of the above technical solutions, the present invention has the following advantages compared with the prior art: the stroller of the present invention is simple in structure, easy to fold and unfold, compact in structure after folding, small in occupied space, easy to carry and store, convenient use by consumers.

Description of drawings

1 is a perspective view of the stroller of the present invention in an unfolded state (Example 1);

2 is a side view of the stroller of the present invention in an unfolded state (in Example 1, the first seat and the second seat are close together, and the first seat is in a forward installation state);

3 is a side view of the stroller of the present invention in an unfolded state (Example 1, the first seat slides out forward, and the first seat is in a forward installation state);

4 is a side view of the stroller of the present invention in an unfolded state (Example 1, the first seat and the second seat are close together, and the first seat is in a reversely installed state);

5 is a side view of the stroller of the present invention in an unfolded state (Example 1, the rear seat plate is separated from the front seat post);

6 is a side view of the stroller of the present invention in an unfolded state (in Example 1, the rear seat plate is turned downward relative to the front seat post);

Figure 7 is a side view of the stroller of the present invention during the folding process (Example 1);

8 is a perspective view of the stroller of the present invention in a folded state (Example 1);

9 is a side view of the stroller of the present invention in a folded state (Example 1);

10 is a perspective view of the stroller of the present invention in an unfolded state (Example 2);

Figure 11 is a side view of the stroller of the present invention in an unfolded state (Example 2);

Figure 12 is a side view of the stroller of the present invention during the folding process (Example 2);

Figure 13 is a perspective view of the stroller of the present invention in a folded state (Example 2);

FIG. 14 is a side view of the stroller of the present invention in a folded state (Example 2).

Detailed ways

The technical solutions of the present invention will be further elaborated below with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in FIG. 1 to FIG. 9 , the stroller of the present invention has unfolded and folded states, and the stroller includes a stroller frame 1 with unfolded and folded states, and a stroller frame 1 disposed at the bottom front of the stroller frame 1 . A front wheel assembly 2, a rear wheel assembly 3 provided at the bottom rear of the cart frame 1, and a locking mechanism for locking the cart frame 1 in the deployed state.

The cart frame 1 includes a front bracket 11 , a rear bracket 12 , a lower push rod 13 , an upper push rod 14 , a strut 15 , a front link 16 , a rear link 17 and a stop plate assembly 18 . When the stroller is in the unfolded state, the front bracket 11 , the lower push rod 13 and the upper push rod 14 all extend obliquely upward from the front to the rear, the rear bracket 12 extends obliquely downward from the front to the rear, the support rod 15 extends in the up-down direction, and the front The link 16 , the rear link 17 and the stand plate assembly 18 all extend in the front-rear direction. The front bracket 11 is used to install the front wheel assembly 2; the rear bracket 12 is used to install the rear wheel assembly 3; the upper part of the front bracket 11, the upper part of the rear bracket 12 and the lower part of the lower push rod 13 are rotated. connection, the third part is connected in rotation with any one of the two parts; the upper part of the lower push rod 13 is connected in rotation with the lower part of the upper push rod 14; the upper part of the support rod 15 is rotated with the lower part of the upper push rod 14 The lower part of the strut 15 is rotatably and slidably arranged on the rear link 17, the strut 15 is rotatably connected with the rear bracket 12 at the same time; the front part of the front link 16 is rotatably connected with the front bracket 11, and the front link The rear part of 16 is rotatably connected with the front part of the rear link 17 , and the rear part of the rear link 17 is rotatably connected with the rear bracket 12 ;

Specifically, the cart frame 1 further includes a first sliding sleeve 19 . The first sliding sleeve 19 is slidably disposed on the rear connecting rod 17 along the lengthwise extending direction of the rear connecting rod 17 . The lower part of the strut 15 is connected to the first sliding sleeve 17 The sleeve 19 is rotatably connected, and the front part of the stand plate assembly 18 is fixedly connected with the first sliding sleeve 19 . The first sliding sleeve 19 is located on the rear link 17 between the rotational connection between the front link 16 and the rear link 17 and the rotational connection between the rear link 17 and the rear bracket 12 .

The cart frame 1 further includes a second sliding sleeve 10 , the second sliding sleeve 10 is rotatably connected with the rear bracket 12 , and the stand plate assembly 18 is slidably disposed on the second sliding sleeve 10 . In this embodiment, the second sliding sleeve 10 is fixedly arranged at the rear of the rear connecting rod 17, so that the stand plate assembly 18 and the rear connecting rod 17 can extend in the same direction, so that the appearance of the cart frame 1 is more concise and beautiful. .

The stroller also includes a seat assembly disposed on the stroller frame 1 . Specifically, the seat assembly includes a first seat 41 and a second seat 42 . When the stroller is in an unfolded state, the first seat 41 and the second seat 42 both extend in the front-rear direction, and the first seat 41 is located at the side of the second seat 42 . Front part. The front end of the second seat 42 is rotatably connected to the lower part of the lower push rod 13 or the upper part of the rear bracket 12 . In this embodiment, the upper part of the front bracket 11 , the upper part of the rear bracket 12 , the lower part of the lower push rod 13 and the second The four parts of the front end of the seat 42 are rotatably connected with the same axis, the second seat 42 is also rotatably connected with the strut 15 , and the first seat 41 is arranged on the second seat 42 .

The seat assembly further includes a backrest assembly 43 rotatably disposed on the first seat 41 .

Preferably, the first seat 41 is provided on the second seat 42 so as to be slidable along the lengthwise extending direction of the second seat 42 . In this way, the distance between the first seat 41 and the second seat 42 can be adjusted by sliding the first seat 41 back and forth relative to the second seat 42, thereby adjusting the space of the second seat 42, so that the stroller can be adapted to Children of different sizes can ride, and the applicability is wider.

Specifically, one of the two parts of the first seat 41 and the second seat 42 is provided with a sliding groove 41a extending in the front-rear direction, and the other part is fixedly provided with a sliding block 42a, and the sliding block 42a is in the same relationship with the sliding groove 41a. In cooperation, the sliding block 42a is disposed in the sliding groove 41a and is slidably disposed along the lengthwise extending direction of the sliding groove 41a. In this embodiment, the chute 41 a is provided on the first seat 41 , and the slider 42 a is provided on the second seat 42 .

Preferably, the first seat 41 is detachably provided on the second seat 42 . In this way, when traveling with only one child, the first seat 41 can be detached from the second seat 42, and the stroller becomes a single-person stroller, which has a relatively small structure and reduced weight, which is convenient for children to push Car carry.

The first seat 41 has a forward mounted state and a reverse mounted state on the second seat 42 . The forward installation state mentioned here means that when the child sits on the first seat 41, its face is ahead, and the backrest assembly 43 is located between the first seat 41 and the second seat 42 at this time, and the backrest assembly 43 can be used for sitting at the same time. The children standing on the first seat 41 and the second seat 42 are leaning on; the reverse installation state means that when the child sits on the first seat 41, it faces backward, and the backrest assembly 43 is located in front of the first seat 41. part, which is only for the child sitting on the first seat 41 to lean on. When the first seat 41 needs to be switched between the forward installation state and the reverse installation state, it is only necessary to disassemble the first seat 41 from the second seat 42 and then install it in the required direction.

The second seat 42 may be an integral structure, or the second seat 42 may be formed by connecting multiple parts. Specifically, the second seat 42 includes a front seat post 421 and a rear seat plate 422 connected to the rear of the front seat post 421 , and two ends of the front seat post 421 are respectively rotatably connected to the lower push rod 13 or the rear bracket 12 and the strut 15 . , the first seat 41 is arranged on the front seat post 421 . When the first seat 41 is reversely installed on the second seat 42, the space between the front seat posts 421 on both sides forms a space for placing the legs of the child.

In a specific embodiment, the rear seat plate 422 is detachably disposed on the front seat post 421 . In this way, the rear seat plate 422 can be detached from the front seat post 421 , so that the structure of the stroller is relatively small, the weight is reduced, and the stroller is easy to carry.

In another specific embodiment, the rear seat plate 422 is rotatably connected to the front seat post 421, so that the rear seat plate 422 can be turned down to make the rear seat plate 422 and the stroller frame 1 close, so that the stroller can be The structure is relatively compact.

In the above two embodiments, when two children need to travel, one child can sit on the first seat 41 , and the other child can stand on the stand board assembly 18 .

The stroller also includes an auxiliary wheel 5 disposed at the bottom and rear of the stand board assembly 18. By arranging the auxiliary wheel 5, the support strength of the stand board assembly 18 can be improved, and the folding and unfolding operations of the stroller can be facilitated.

When the stroller is in the unfolded state, the locking mechanism is in the locked state, the front bracket 11 , the lower push rod 13 and the upper push rod 14 extend approximately in the same straight direction, the front link 16 , the rear link 17 and the stand plate assembly 18 The front parts both extend in the horizontal direction, and the first seat 41 and the second seat 42 also extend in the horizontal direction, as shown in FIGS. 1 to 6 .

When the stroller needs to be folded, firstly, the backrest assembly 43 is turned down to be close to the second seat 42, and then, the upper push rod 14 is turned forward and the upper push rod 14 is pressed down, which drives the lower push rod 13 and the support rod 15 is turned downward and is close to the rear bracket 12, so that the first sliding sleeve 19 slides forward along the rear link 17, and at the same time, the rotating joint of the front link 16 and the rear link 17 moves upward, and the front link 16 is pulled by the front link. The bracket 11 is turned backward and is close to the rear bracket 12, so that the distance between the front wheel assembly 2 and the rear wheel assembly 3 is gradually reduced. When the first sliding sleeve 19 slides forward along the rear link 17, the station plate assembly is pulled 18 slides forward relative to the second sliding sleeve 10, which gradually reduces the distance between the auxiliary wheel 5 and the rear wheel assembly 3, as shown in FIG. Together, the final folding is shown in Figures 8 and 9. The folded double stroller has a compact structure and a small volume, which is easy to carry and store.

When the stroller is unfolded from the folded state, the upper push rod 14 is flipped upward and backward to drive the lower push rod 13 and the support rod 15 to flip up and away from the rear bracket 12 , and the first sliding sleeve 19 slides backward along the rear link 17 , at the same time, the rotational connection between the front link 16 and the rear link 17 moves downward, and the front link 16 pushes the front bracket 11 to flip forward and away from the rear bracket 12, so that the front wheel assembly 2 and the rear wheel assembly 3 The distance gradually increases. When the first sliding sleeve 19 slides backwards along the rear connecting rod 17, the station plate assembly 18 is pushed to slide backward relative to the second sliding sleeve 10, and the distance between the auxiliary wheel 5 and the rear wheel assembly 3 also gradually increases. until the cart frame is fully extended. After the cart frame is unfolded, the backrest assembly 43 can be flipped forward.

Example 2

As shown in FIGS. 10 to 14 , in this embodiment, the structure of the seat assembly is different from that of Embodiment 1. Specifically, the seat assembly includes a seat pocket assembly 61 disposed on the front bracket 11 and a seat bag assembly 61 fixedly disposed on the strut 15 . Seatpost 62. The rest are the same as in Example 1.

The seat pocket assembly 61 includes an upper surrounding frame 611 and a lower surrounding frame 612, and the upper surrounding frame 611 and the lower surrounding frame 612 are rotatably connected.

When the stroller of this embodiment is folded, the upper frame 611 is first turned downward to be close to the lower frame 612, then the upper push rod 14 is turned forward, and the upper push rod 14 is pressed down at the same time, and the frame of the stroller is folded subsequently. The process is the same as that in Embodiment 1, and details are not repeated here.

The unfolding process of the stroller is also the same as that of the first embodiment. After the frame 1 of the stroller is fully unfolded, the upper enclosure frame 611 can be turned upward to the set position.

The above-mentioned embodiments are only intended to illustrate the technical concept and characteristics of the present invention, and the purpose thereof is to enable those who are familiar with the art to understand the content of the present invention and implement them accordingly, and cannot limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be included within the protection scope of the present invention.

Claims (12)

1. The children's barrow of kind has expansion and fold condition, children's barrow includes the shallow frame, its characterized in that:

   the front wheel assembly is arranged at the lower part of the front bracket;

   the rear wheel assembly is arranged at the lower part of the rear bracket;

   two of the three components of the upper part of the front bracket, the upper part of the rear bracket and the lower part of the lower push rod are rotationally connected, and the third component is rotationally connected with any components in the two components;

   the lower part of the upper push rod is rotationally connected with the upper part of the lower push rod;

   the support rod is respectively and rotatably connected with the upper push rod and the rear bracket;

   the end part of the front connecting rod is rotationally connected with the front bracket;

   a rear link, an end of the rear link being pivotally connected to the other end of the front link, the other end of the rear link being pivotally connected to the rear bracket, the brace being pivotally and slidably disposed on the rear link;

   a standing board assembly slidably disposed relative to the rear link.
2. 2. The stroller of claim 1, wherein the stroller frame further comprises an -th sliding sleeve, the -th sliding sleeve is slidably disposed on the rear link along a length direction of the rear link, a lower end of the stay is rotatably connected to the -th sliding sleeve, an end of the standing board assembly is fixedly connected to the -th sliding sleeve, and the -th sliding sleeve is disposed on the rear link between a rotational connection of the front link and the rear link and a rotational connection of the rear link and the rear bracket.
3. 3. The stroller of claim 1, wherein: the cart frame further comprises a second sliding sleeve, the second sliding sleeve is rotatably connected with the rear support, and the standing plate assembly can be slidably arranged on the second sliding sleeve.
4. 4. The stroller of claim 1, further comprising a seat assembly disposed on the frame of the stroller, the seat assembly comprising th and second seats each extending in a fore-and-aft direction, the th seat being located forward of the second seat, the th end of the second seat being pivotally connected to the down-link or the rear bracket, the second seat being also pivotally connected to the stay, the th seat being disposed on the second seat.
5. 5. The stroller of claim 4, wherein the -th seat is slidably disposed on the second seat along a longitudinal extension of the second seat.
6. 6. The stroller of claim 4, wherein the th seat is removably disposed on the second seat.
7. 7. The stroller of claim 6, wherein the th seat has a forward mounting position and a reverse mounting position on the second seat.
8. 8. The stroller of claim 4, wherein the second seat comprises a front seat bar and a rear seat plate, both ends of the front seat bar are respectively rotatably connected to the lower push bar or the rear bracket and the stay bar, the th seat is disposed on the front seat bar, and the rear seat plate is detachably disposed on the front seat bar.
9. 9. The stroller of claim 4, wherein the second seat comprises a front seat bar and a rear seat plate, two ends of the front seat bar are respectively connected with the lower push bar or the rear bracket and the stay bar in a rotating manner, the th seat is arranged on the front seat bar, and the rear seat plate is connected with the front seat bar in a rotating manner.
10. 10. The stroller of claim 4, wherein the upper portion of the front frame, the upper portion of the rear frame, the lower portion of the lower push bar, and the end portion of the second seat are pivotally connected together.
11. 11. The stroller of claim 1, wherein: the stroller also comprises a seat assembly arranged on the stroller frame, and the seat assembly comprises a seat pocket assembly arranged on the front support and a seat rod fixedly arranged on the support rod.
12. 12. The stroller of claim 1, wherein: the stroller further comprises auxiliary wheels arranged at the rear part of the bottom of the standing board assembly.

Images