CN216424528U - stroller - Google Patents

Abstract

The utility model discloses a children cart, which comprises a cart frame, wherein the cart frame comprises a side support, the side support comprises a front support, a rear support, a lower push rod, an upper push rod, a support rod, a front connecting rod, a rear connecting rod and a seat connecting rod, two parts of the front support, the rear support and the lower push rod are rotationally connected, the third part is rotationally connected with any one part of the two parts, or the three components are coaxially and rotatably connected, the upper push rod is rotatably connected with the lower push rod, the supporting rods are respectively rotatably connected with the upper push rod and the rear support, the front connecting rod is rotatably connected with the front support, the front connecting rod is rotatably connected with the rear connecting rod, the rear connecting rod is rotatably connected with the rear support, the supporting rods can be rotatably and slidably arranged on the rear connecting rod, the seat connecting rod is rotatably connected with the front support, and the stroller further comprises a first seat assembly arranged between the supporting rods on the two sides and a second seat assembly arranged between the seat connecting rods on the two sides. The folding operation of the baby stroller is convenient, the structure is compact after folding, and the volume is small.

Description

stroller

technical field

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

Background technique

As more and more families have two children, double strollers that can carry two children at the same time are more and more needed by families. The double stroller in the prior art is generally complicated in structure, the folding operation of the stroller is complicated, and the structure volume of the stroller after folding is still large, which is inconvenient for carrying and storage of the stroller.

Utility model content

The purpose of the utility model is to address the deficiencies in the prior art, and provide a stroller for children, which can be used for two children to ride at the same time, and the stroller has a compact structure and a small volume after being folded.

In order to achieve the above object, the technical scheme adopted by the present utility model is:

A children's stroller has unfolded and folded states, the children's stroller includes a stroller frame, the stroller frame includes side brackets on the left and right sides and between the side brackets connected on the left and right sides The cross brace assembly, the side braces on each side include a front brace, a rear brace, a lower push rod, an upper push rod, a strut, a front link, a rear link and a seat link, the upper part of the front bracket, The upper part of the rear bracket and two of the three lower parts of the lower push rod are rotatably connected, and the third part is rotatably connected with any one of the aforementioned two parts, or the above three parts are rotated coaxially The lower part of the upper push rod is rotatably connected with the upper part of the lower push rod, the support rod is rotatably connected with the lower part of the upper push rod and the rear bracket respectively, and the front part of the front link is connected with The lower part of the front bracket is rotatably connected, the rear part of the front link is rotatably connected with the front part of the rear link, the rear part of the rear link is rotatably connected with the lower part of the rear bracket, and the support The lower end of the rod is rotatably and slidably arranged on the rear link, the lower end of the seat link on each side is rotatably connected with the front bracket on the corresponding side, and the stroller further includes a set of A first seat assembly is provided between the stay bars on the left and right sides and a second seat assembly is provided between the seat links on the left and right sides.

Preferably, the side brackets on each side further include a sliding member slidably disposed on the rear link along the lengthwise extending direction of the rear link, and the lower end of the strut rotates with the sliding member connect.

Preferably, the lower part of the front bracket, the front part of the front link and the lower end of the seat link are connected in a coaxial rotation.

Preferably, the first seat assembly is a first child seat or seat plate, and the second seat assembly is a second child seat.

Further, the first child seat pocket and the seat plate are detachably arranged on the struts on the left and right sides, and the second child seat pocket is detachably arranged on the seats on the left and right sides. on the connecting rod.

Preferably, the cart frame is foldable when both the first seat assembly and the second seat assembly are disposed on the cart frame.

Further, the first seat assembly is a first child seat pocket with unfolded and folded states, the first child seat pocket can be slidably arranged along the lengthwise extending direction of the strut, and when the stroller is folded , the first child seat pocket slides upward along the lengthwise extending direction of the strut.

Further, the stroller further includes a first mounting seat for mounting the first seat assembly, the first mounting seat can be slidably disposed along the lengthwise extending direction of the strut, and the child pushes The cart also includes a locking mechanism for locking the relative positions of the first mount and the strut.

There are various ways to drive the locking mechanism to unlock. In this embodiment, the locking mechanism is driven to unlock when the first child seat is folded from the unfolded state.

Preferably, the cross brace assembly includes a front cross bar whose two ends are fixedly connected to the front ends of the front links on the left and right sides, respectively, and the two ends are fixedly connected with the lower parts of the rear brackets on the left and right sides respectively. The rear cross bar and a push handle whose two ends are fixedly connected to the upper ends of the upper push bars on the left and right sides respectively, the stroller further includes a footboard fixedly arranged on the rear cross bar, the The first seat assembly is a first child seat or seat plate, the second seat assembly is a second child seat, and the first child seat and the second child seat are on the stroller frame Both have forward and reverse installation states, and the stroller further includes a first mounting seat provided on the strut for mounting the first seat assembly, and a first mounting seat provided on the seat link for mounting The second mounting seat of the second seat assembly, the first child seat pocket is rotatably connected with the first mounting seat, and the second child seat pocket is rotatably connected with the second mounting seat.

Due to the application of the above-mentioned technical solutions, the present utility model has the following advantages compared with the prior art: when the stroller of the present utility model is folded, as long as the upper push rod is turned forward and downward to be close to the lower push rod, that is, Both the push-down rod and the support rod can be driven to flip down and move closer to the rear bracket, so that the front bracket can be driven to flip backward and move closer to the rear bracket through the front link and the rear link. The folding operation of the stroller is simple. The cart is compact in structure and small in size, making it easy to carry and store.

Description of drawings

1 is a schematic perspective view of the stroller of the present embodiment in an unfolded state (the first seat component is a seat plate);

2 is a schematic side view of the stroller of the present embodiment in an unfolded state (the first seat component is a seat plate);

FIG. 3 is a three-dimensional schematic diagram of the stroller of the present embodiment in an unfolded state (the first seat component is the first child seat pocket);

4 is a schematic side view of the stroller of the present embodiment in an unfolded state (the first seat component is the first child seat pocket);

FIG. 5 is a three-dimensional schematic diagram of the stroller of the present embodiment during the folding process (the first seat component is a seat plate);

6 is a schematic side view of the stroller of the present embodiment during the folding process (the first seat component is a seat plate);

FIG. 7 is a three-dimensional schematic diagram of the child stroller of the present embodiment during the folding process (the first seat component is the first child seat pocket);

8 is a schematic side view of the stroller of the present embodiment during the folding process (the first seat component is the first child seat pocket);

9 is one of the three-dimensional schematic diagrams of the stroller of the present embodiment in a folded state (the first seat component is a seat plate);

Figure 10 is the second schematic perspective view of the stroller of the present embodiment in a folded state (the first seat component is a seat plate);

11 is a schematic side view of the stroller of the present embodiment in a folded state (the first seat component is a seat plate);

12 is one of the three-dimensional schematic views of the stroller of the present embodiment in a folded state (the first seat component is the first child seat pocket);

FIG. 13 is the second three-dimensional schematic view of the stroller of the present embodiment in a folded state (the first seat component is the first child seat pocket);

FIG. 14 is a schematic side view of the stroller of the present embodiment in a folded state (the first seat component is the first child seat pocket).

Among them: 11, front bracket; 12, rear bracket; 13, upper push rod; 14, lower push rod; 15, strut; 16, front link; 17, rear link; 18, seat link; 19, sliding Pieces; 21, front cross bar; 22, push handle; 31, seat plate; 32, first child seat; 4, second child seat; 51, first mounting seat; 52, second mounting seat; 6, Footboard; 70, front wheel assembly; 80, rear wheel assembly.

Detailed ways

The technical solutions of the present utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

As shown in FIGS. 1 to 14 , the stroller of the present invention includes a stroller frame with unfolded and folded states, a front wheel assembly 70 arranged at the bottom front of the stroller frame, and a front wheel assembly 70 arranged on the stroller frame Bottom rear rear wheel assembly 80.

The cart frame includes side brackets on the left and right sides and a cross brace assembly connected between the side brackets on the left and right sides.

The side brackets on each side include a front bracket 11 , a rear bracket 12 , an upper push rod 13 , a lower push rod 14 , a strut 15 , a front link 16 , a rear link 17 and a seat link 18 .

The front bracket 11 is used to mount the front wheel assembly 70 . The rear bracket 12 is used to mount the rear wheel assembly 80 . 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 14 are connected in rotation with two parts, and the third part is connected in rotation with any one of the two parts mentioned above, or the above three parts are connected in rotation. The components are connected in a coaxial rotation.

The lower part of the upper push rod 13 is rotatably connected with the upper part of the lower push rod 14, the support rod 15 is rotatably connected with the lower part of the upper push rod 13 and the rear bracket 12, and the front part of the front link 16 is rotatably connected with the lower part of the front bracket 11, The rear part of the front link 16 is rotatably connected with the front part of the rear link 17 , the rear part of the rear link 17 is rotatably connected with the rear bracket 12 , and the lower end of the strut 15 can also rotate and extend along the length of the rear link 17 The rear link 17 is slidably arranged on the rear link 17 , and the lower ends of the seat links 18 on each side are rotatably connected with the lower part of the front bracket 11 .

In this embodiment, among the side brackets on each side, the upper part of the front bracket 11 is rotatably connected with the upper part of the rear bracket 12 , and the lower part of the lower push rod 14 is rotatably connected with the upper part of the rear bracket 12 . The lower part of the front bracket 11 , the front part of the front link 16 , and the lower end part of the seat link 18 are connected in a coaxial rotation.

The cart frame further includes a sliding member 19 which is slidably disposed on the rear link 17 along the lengthwise extending direction of the rear link 17 , and the lower end of the strut 15 is rotatably connected with the sliding member 19 .

When the stroller is in the unfolded state, on the strut 15, the rotating connection between the strut 15 and the upper push rod 13, the rotating connection between the strut 15 and the rear bracket 12, and the rotating connection between the strut 15 and the slider 19 are set in order from top to bottom.

In this way, in the side brackets on each side, a four-bar linkage is formed between the upper push rod 13, the lower push rod 14, the rear bracket 12 and the strut 15, the front bracket 11, the rear bracket 12, the front link 16 and the rear bracket 15. A four-bar linkage mechanism is formed between the connecting rods 17 , and a crank-slider mechanism is formed between the rear bracket 12 , the strut 15 , the sliding piece 19 and the rear connecting rod 17 .

The cross brace assembly includes a front cross bar 21 located between the front links 16 on the left and right sides, a rear cross bar located between the rear brackets 12 on the left and right sides, and a push handle located between the upper push rods 13 on the left and right sides twenty two.

The left and right ends of the front crossbar 21 are respectively fixedly connected with the front end of the front link 16 on the corresponding side, and the left and right ends of the rear crossbar are respectively fixedly connected with the lower part of the rear bracket 12 on the corresponding side. The push handle 22 The left and right ends of the 13 are respectively fixedly connected with the upper part of the upper push rod 13 on the corresponding side.

The stroller further includes a first seat assembly and a second seat assembly, the first seat assembly is disposed between the stay bars 15 on the left and right sides, and the second seat assembly is disposed between the seat links 18 on the left and right sides.

The first seat assembly may be the seat panel 31 or the first child seat pocket 32 . The second seat assembly employs a second child seat pocket 4 . The first child seat 32 and the second child seat 4 are both in unfolded and folded states, similar to the child seat in the prior art.

Specifically, first mounting seats 51 are provided on the struts 15 on the left and right sides, and the left and right sides of the seat plate 31 and the first child seat pocket 32 are respectively connected with the first mounting seats 51 on the corresponding side. Preferably, both the seat plate 31 and the first child seat pocket 32 are detachably connected with the first mounting seat 51, so that the mounting seat plate 31 or the first child seat pocket 32 can be replaced on the stroller frame. Moreover, when the first seat assembly adopts the first child seat pocket 32, the first child seat pocket 32 may be installed on the stroller frame in a forward direction, or may be installed on the stroller frame in a reverse direction.

The upper ends of the seat links 18 on the left and right sides are provided with second mounting seats 52 , and the left and right sides of the second child seat pocket 4 are respectively connected with the second mounting seats 52 on the corresponding side. Preferably, the second child seat 4 is detachably connected to the second mounting seat 52 . In this way, the second child seat 4 can be installed on the stroller frame in a forward direction, and can also be installed on the stroller frame in a reverse direction.

When both the first seat assembly and the second seat assembly are mounted on the frame of the stroller, the stroller can be folded, which facilitates the folding operation of the stroller. The first child seat pocket 32 is rotatably connected with the first mounting seat 51 , and the second child seat pocket 4 is rotatably connected with the second mounting seat 52 , so that when the stroller is folded, the first child seat pocket 32 can be relative to the first mounting seat 51 is rotated to be close to the frame of the stroller, and the second child seat pocket 4 can be rotated relative to the second mounting seat 52 to be closer to the frame of the stroller, so that the folded child stroller has a more compact structure.

The first mounting seat 51 can also be slidably disposed on the strut 15 along the extending direction of the length of the strut 15, so that when the first seat assembly is folded using the first child seat pocket 32 and the stroller, the first child seat pocket 32 can be slidably arranged. Slide up along the strut 15, so that during the folding process of the stroller, the first child seat pocket 32 can avoid the stroller frame and the second child seat pocket 4, so that the child stroller has a more compact structure and a smaller volume after being folded. .

Specifically, the first mounting seat 51 is slidably disposed on the strut 15 along the extending direction of the length of the strut 15 .

The stroller further includes a locking mechanism for locking the relative positions of the first mounting seat 51 and the support rod 15 . After the locking mechanism is unlocked, the first mounting seat 51 can slide along the support rod 15 with the first child seat pocket 32 . There are many ways to drive the first locking mechanism to unlock, such as setting a separate unlocking mechanism, and operating the unlocking mechanism independently to unlock the locking mechanism. Alternatively, a linkage mechanism is arranged between the first child seat 32 and the locking mechanism, and the locking mechanism is driven to unlock when the first child seat 32 is folded.

When the stroller is in the deployed state, both the first seat assembly and the second seat assembly are disposed on the stroller frame. The second child seat pocket 4 can be installed on the frame of the stroller in the forward direction. At this time, when the child rides on the second child seat pocket 4, the face of the child faces forward, as shown in FIG. 1 to FIG. 4 . The second child seat 4 can also be reversely installed on the frame of the stroller. At this time, when the child rides on the second child seat 4, the face of the child faces backward.

The stroller also includes a footboard 6 arranged on the rear cross bar 22. When the first seat assembly adopts the seat plate 31, when the child sits on the seat plate 31, his face is facing backward, and the footboard 6 is for the child to step on, as shown in the figure 1 and Figure 2. When the first seat assembly adopts the first child seat pocket 32, the first child seat pocket 32 can be installed on the frame of the stroller in a forward direction. At this time, when the child rides on the first child seat pocket 32, the child's face faces forward, As shown in Figure 3 and Figure 4. The first child seat 32 can also be installed on the frame of the stroller in reverse. At this time, when the child rides on the first child seat 32, the child faces backward.

When the first seat assembly is folded with the seat plate 31 of the stroller, the second child seat pocket 4 is first folded, and after the second child seat pocket 4 is folded, the seat link 18 drives the second child seat pocket 4 to flip backward until The seat link 18 is accommodated inside the front link 16 and is substantially parallel to the front link 16 . The upper push rod 13 is turned forward and downward to be close to the lower push rod 14, and both the lower push rod 14 and the support rod 15 are driven to be turned downward to be close to the rear bracket 12. When the support rod 15 rotates downward, the sliding member 19 moves along The length extension direction of the rear link 17 slides forward, and at the same time, the rotating connection between the front link 16 and the rear link 17 moves upward. When the front link 16 rotates, it drives the front bracket 11 to rotate backward and move closer to the rear bracket 12 , the folding process is shown in Figure 5 and Figure 6, until the components that make up the cart frame are close together, and the final folding is shown in Figures 9 to 11.

When the first seat assembly is folded using the first child seat pocket 32 and the stroller is folded, the first child seat pocket 32 is folded to unlock the locking mechanism, and the first mounting seat 51 is slid upward along the lengthwise extending direction of the strut 15 to the position at the position of the strut 15 . 15 at the upper end. The second child seat pocket 4 is folded so that the seat link 18 drives the second child seat pocket 4 to flip backward until the seat link 18 is accommodated inside the front link 16 and is approximately parallel to the front link 16 . The upper push rod 13 is turned forward and downward to be close to the lower push rod 14, and both the lower push rod 14 and the support rod 15 are driven to be turned downward to be close to the rear bracket 12. When the support rod 15 rotates downward, the sliding member 19 moves along The length extension direction of the rear link 17 slides forward, and at the same time, the rotating connection between the front link 16 and the rear link 17 moves upward. When the front link 16 rotates, it drives the front bracket 11 to rotate backward and move closer to the rear bracket 12 , the folding process is shown in Figures 7 and 8, until the components that make up the cart frame are close together, and the final folding is shown in Figures 12 to 14.

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

Claims (10)

1. The utility model provides a children's shallow has expansion and fold condition, children's shallow includes the shallow frame, the shallow frame is including the collateral branch frame that is located the left and right sides and connecting the left and right sides stull subassembly between the collateral branch frame, its characterized in that: the side support of each side comprises a front support, a rear support, a lower push rod, an upper push rod, a support rod, a front connecting rod, a rear connecting rod and a seat connecting rod, wherein two of the three components of the upper part of the front support, the upper part of the rear support and the lower part of the lower push rod are rotationally connected, the third component is rotationally connected with any one of the two components, or the three components are coaxially rotationally connected, 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 rotationally connected with the lower part of the upper push rod and the rear support, the front part of the front connecting rod is rotationally connected with the lower part of the front support, the rear part of the front connecting rod is rotationally connected with the front part of the rear connecting rod, the rear part of the rear connecting rod is rotationally connected with the lower part of the rear support, and the lower end part of the support rod is rotationally and slidably arranged on the rear connecting rod, the lower end of the seat connecting rod on each side is rotatably connected with the front support on the corresponding side, and the stroller further comprises a first seat assembly arranged between the support rods on the left side and the right side and a second seat assembly arranged between the seat connecting rods on the left side and the right side.

2. The stroller of claim 1, wherein: the side support of each side still includes can follow the length extending direction of back connecting rod sets up the slider on the back connecting rod with sliding, the lower tip of vaulting pole with the slider rotates and is connected.

3. The stroller of claim 1, wherein: the lower part of the front bracket, the front part of the front connecting rod and the lower end part of the seat connecting rod are coaxially and rotatably connected.

4. The stroller of claim 1, wherein: the first seat component is a first child seat pocket or a seat plate, and the second seat component is a second child seat pocket.

5. The stroller of claim 4, wherein: the first child seat pocket and the seat plate are detachably arranged on the support rods on the left side and the right side, and the second child seat pocket is detachably arranged on the seat connecting rods on the left side and the right side.

6. The stroller of claim 1, wherein: the stroller frame is foldable when both the first and second seat assemblies are disposed on the stroller frame.

7. The stroller of claim 6, wherein: first seat subassembly is for having the first children's seat pocket of expansion and fold condition, first children's seat pocket can be followed the length extending direction of vaulting pole sets up with sliding, when the children's shallow is folding, first children's seat pocket is followed the length extending direction of vaulting pole upwards slides.

8. The stroller of claim 7, wherein: the stroller further comprises a first mounting seat for mounting the first seat assembly, the first mounting seat being slidably disposed along a length extension direction of the stay, and a locking mechanism for locking relative positions of the first mounting seat and the stay.

9. The stroller of claim 8, wherein: and when the first child seat pocket is folded from the unfolded state, the locking mechanism is driven to be unlocked.

10. The stroller of claim 1, wherein: the cross brace component comprises a front cross bar, a rear cross bar, a push handle, a pedal plate, a first seat component, a second seat component, a first installation seat and a second installation seat, wherein the two end parts of the front cross bar are fixedly connected with the front end parts of the front connecting rods on the left side and the right side respectively, the two end parts of the push handle are fixedly connected with the lower parts of the rear supports on the left side and the right side respectively, the two end parts of the push handle are fixedly connected with the upper end parts of the upper push rods on the left side and the right side respectively, the baby stroller further comprises the pedal plate fixedly arranged on the rear cross bar, the first seat component is a first baby seat pocket or a seat plate, the second seat component is a second baby seat pocket, the first baby seat pocket and the second baby seat pocket are arranged on the stroller frame and have forward and reverse installation states, the baby stroller further comprises the first installation seat arranged on the support bar and used for installing the first seat component and the second seat component arranged on the seat connecting rod, the first baby seat pocket is rotatably connected with the first installation seat, the second child seat pocket is rotatably connected with the second mounting seat.

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