CN219619200U - Child cart - Google Patents

Abstract

The utility model discloses a child cart, which comprises a cart frame at least in an unfolding state and wheel assemblies arranged at the bottom of the cart frame, wherein the cart frame comprises a cart frame main body and a seat, the seat extends along the front-back direction, the seat can be arranged on the cart frame main body in a relatively sliding manner along the front-back direction, all the wheel assemblies are arranged at the bottom of the cart frame main body, and at least one wheel assembly and the seat are arranged in a linkage manner, so that in the pushing process of the cart, the wheel bodies of the wheel assemblies are rotationally linked to slide along the front-back direction, a child sitting on the seat can swing along the front-back direction along with the seat, the effect of walking while swinging is realized, and the interestingness of the child when sitting is increased.

Description

Child cart

Technical Field

The utility model relates to the field of children products, in particular to a child trolley.

Background

The existing children's barrow has single use function and no interest, and in the pushing process, the children sit on the seat statically, and if the sitting time is long, the children feel boring and tasteless and are unwilling to continue sitting.

Disclosure of Invention

It is an object of the present utility model to provide a new construction stroller that solves one or more of the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a children's shallow, includes the frame that has the state of expanding at least, locates the wheel unit of frame bottom, the frame includes frame main part and seat, the seat extends along fore-and-aft direction, just the seat can be along fore-and-aft direction relative slip ground setting in the frame main part, all wheel unit locates the bottom of frame main part, at least one wheel unit with set up with the linkage between the seat, make wheel unit's wheel body rotary linkage the seat slides along the fore-and-aft direction.

Preferably, the wheel assembly comprises a front wheel assembly arranged at the front part of the bottom of the frame body, and two groups of rear wheel assemblies arranged at the left side and the right side of the rear part of the bottom of the frame body, and the rear wheel assemblies and the seats are arranged in a linkage manner.

Further, the frame main body at least comprises a rear bracket, the rear bracket comprises a supporting rod part and a connecting rod part, the frame is in a unfolded state, the supporting rod part extends along the up-down direction, the connecting rod part extends forwards from the upper part of the supporting rod part, the seat can be relatively slidably arranged on the connecting rod part along the length extending direction of the connecting rod part, the frame main body further comprises a swinging frame and a connecting frame, the swinging frame is provided with a shaft rod part extending along the left-right direction, the rear wheel assembly comprises a rear wheel fixedly arranged on the shaft rod part, the shaft rod part can be relatively rotatably connected with the lower part of the supporting rod part around the self axis, one end part of the connecting frame is rotatably connected with the bottom of the seat, the other end part of the connecting frame can be rotatably connected with the swinging frame around a first rotating center line, and the first rotating center line is mutually parallel with the axis of the shaft rod part.

Preferably, the rear bracket comprises two groups of rear struts arranged on the left side and the right side, each group of rear struts comprises a strut part and a connecting rod part, the seat comprises two groups of sliding parts and seat plates arranged on the two groups of sliding parts, and each connecting rod part on each side is provided with one sliding part.

Further, the swing frame comprises a swing rod portion and two shaft rod portions, the two shaft rod portions are arranged on the left side and the right side of the swing rod portion, the axis of the swing rod portion forms the first rotation center line, the connecting frame comprises a cross rod extending along the left-right direction, and the cross rod can be rotatably arranged between the sliding pieces on the two sides around the axis of the cross rod.

Further, the connecting frame also comprises a supporting rod, the supporting rod is positioned between the two groups of rear supporting rods along the left-right direction, the frame is in a unfolding state, the supporting rod extends along the up-down direction, the upper part of the supporting rod is fixedly arranged on the cross rod, and the lower part of the supporting rod can be rotationally connected onto the swing rod part around the axial lead of the swing rod part.

Preferably, the seat extends obliquely downward from the front to the rear in the unfolded state of the frame.

Preferably, the frame further comprises a front bracket, a push rod frame and a rear support frame, wherein the frame is in a unfolded state, the front bracket, the push rod frame and the rear support frame extend along the vertical direction, the upper part of the front bracket is rotationally connected with the lower part of the push rod frame, the front part of the rear bracket is rotationally connected with the front bracket, the rear support frame is rotationally connected between the push rod frame and the rear support frame, and the front wheel assembly is arranged at the bottom of the front bracket.

Further, the upper portion of the rear support is rotatably connected to the push rod frame, the lower portion of the rear support is rotatably connected to the strut portion of the rear support, the frame is in a unfolded state, and the connecting rod portion and the seat are both located in front of the rear support.

Preferably, the front bracket and the push rod frame extend along the same length direction when the frame is in a unfolded state; the frame is in a folding state, and the push rod frame is turned over and folded at the rear of the rear support and is folded with the front support, the connecting frame, the rear support and the rear support along the front-rear direction.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the child cart is provided with the seat capable of sliding back and forth on the frame main body, the back and forth sliding of the seat is linked with the wheel assembly at the bottom of the frame, the seat can reciprocate along the back and forth direction in the rotating process of the wheel body of the wheel assembly, and the seat can swing back and forth in the reciprocating process of the cart in the running process, so that the child cart can walk and shake at the same time, and the riding interest of children is increased.

Drawings

FIG. 1 is a schematic perspective view of a child stroller in an unfolded state according to an embodiment of the present utility model;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a side view of the stroller of FIG. 1 during folding;

FIG. 4 is a side view of the stroller of FIG. 1 in a folded condition;

FIG. 5 is a schematic perspective view of the child stroller of FIG. 1 in an unfolded state with the seat plate removed;

FIG. 6 is a schematic perspective view of the stroller of FIG. 5 during folding;

FIG. 7 is a schematic perspective view of the child stroller of FIG. 5 in a collapsed configuration;

FIG. 8 is a side view of the seat of FIG. 1 in a first position during pushing of the stroller;

FIG. 9 is a side view of the child stroller of FIG. 1 with the seat in a second position during pushing;

FIG. 10 is a side view of the child stroller of FIG. 1 with the seat in a third position during pushing;

wherein: 100. a frame; 200. a wheel assembly; 201. a front wheel assembly; 202. a rear wheel assembly; 202a, rear wheels;

1. a rear bracket; 11. a rear strut; 111. a strut section; 112. a link portion;

2. a seat; 21. a slider; 22. a seat plate;

3. a swing frame; 31. a shaft lever portion; 32. a swing rod part;

4. a connecting frame; 41. a cross bar; 42. a support rod;

5. a front bracket; 51. a front strut;

6. a push rod frame; 61. a push rod;

7. a rear bracket; 71. a rear stay;

x1, a first rotation center line; x2, a second rotation center line; x3, a third rotation center line; x4, a fourth rotation center line; and X5, a fifth rotation center line.

Detailed Description

The following description of the directions related to up, down, left, right, front, rear, inner, outer, etc. are defined with reference to the directions observed by a pusher pushing the stroller in the unfolded state, and are only used for clearly explaining the relative positional relationship of the rod members on the stroller.

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Referring to fig. 1 to 10, a stroller includes a frame 100 having at least a unfolded state, a wheel assembly 200 provided at a bottom of the frame 100, the frame 100 including a frame body and a seat 2, the seat 2 extending in a front-rear direction, and the seat 2 being relatively slidably provided on the frame body in the front-rear direction, all the wheel assemblies 200 being provided at the bottom of the frame body, at least one wheel assembly 200 being provided in linkage with the seat 2 such that a wheel body of the wheel assembly 200 rotates to be capable of sliding in the front-rear direction in linkage with the seat 2. In the process of pushing the child cart, the child sits on the seat 2 and swings back and forth along with the seat 2, so that the riding interestingness of the child is increased.

Referring to the drawings, the structure of the frame 100 of the present embodiment is specifically as follows:

the wheel assembly 200 includes a front wheel assembly 201 disposed at the front of the bottom of the frame body, and two sets of rear wheel assemblies 202 disposed at the left and right sides of the bottom of the frame body, wherein the front wheel assembly 201 is a universal wheel for steering during the traveling process of the cart, and the rear wheel assemblies 202 are disposed in linkage with the seat 2.

Referring to fig. 1, the frame body includes at least a rear bracket 1, the rear bracket 1 includes a strut portion 111 and a link portion 112, the strut portion 111 extends in the up-down direction in the unfolded state of the frame 100, the link portion 112 extends forward from an upper portion of the strut portion 111, and the seat 2 is provided on the link portion 112 so as to be relatively slidable in a length extending direction of the link portion 112. The frame body further includes a swing frame 3 and a link 4, the swing frame 3 has a shaft portion 31 extending in the left-right direction, the rear wheel assembly 202 includes a rear wheel 202a fixedly mounted on the shaft portion 31, the shaft portion 31 is relatively rotatably connected to a lower portion of the strut portion 111 about its own axis, one end portion of the link 4 is rotatably connected to a bottom portion of the seat 2, the other end portion of the link 4 is rotatably connected to the swing frame 3 about a first rotation axis X1, and the first rotation axis X1 and the axis of the shaft portion 31 are parallel to each other.

The rear bracket 1 comprises two groups of rear struts 11 which are respectively arranged at the left side and the right side, each group of rear struts 11 comprises a strut part 111 and a connecting rod part 112, the seat 2 comprises two groups of sliding parts 21 which are respectively arranged at the left side and the right side, a seat plate 22 which is arranged on the two groups of sliding parts 21, and one sliding part 21 is respectively arranged on the connecting rod part 112 at each side. Specifically, the slider 21 is a slide sleeve fitted over the link portion 112, and the slide sleeve is slidable along the length direction of the link portion 112.

Referring to fig. 1, the swing frame 3 includes a swing link portion 32 extending in a left-right direction and two shaft portions 31, the two shaft portions 31 are provided on left and right sides of the swing link portion 32, a first rotation center line X1 formed by an axial line of the swing link portion 32, and the connection frame 4 is connected between the seat 2 and the swing link portion 32. Specifically, the connecting frame 4 includes a cross bar 41 and a support bar 42 that are fixedly connected, the cross bar 41 can be rotatably disposed between the sliding members 21 on both sides about its own axis, the support bar 42 is located between the two sets of rear struts 11 in the left-right direction, the cross bar 41 extends in the left-right direction in the unfolded state of the frame 100, the support bar 42 extends obliquely upward from the rear to the front, the upper portion of the support bar 42 is fixedly connected to the cross bar 41, and the lower portion of the support bar 42 can be rotatably connected to the swing link portion 32 about the axis of the swing link portion 32.

Referring to the drawings, the frame 100 further includes a front bracket 5, a push rod frame 6 and a rear bracket 7, wherein the frame 100 is in a unfolded state, the front bracket 5, the push rod frame 6 and the rear bracket 7 all extend in the up-down direction, the upper portion of the front bracket 5 is rotatably connected with the lower portion of the push rod frame 6, the front portion of the rear bracket 4 is rotatably connected to the front bracket 5, the rear bracket 7 is rotatably connected between the push rod frame 6 and the rear bracket 4, and the front wheel assembly 201 is disposed at the bottom of the front bracket 5.

Specifically, the front bracket 5 includes two front struts 51 located on the left and right sides; the push rod frame 6 comprises two push rods 61 positioned at the left side and the right side, and in the embodiment, the two push rods 61 are integrally designed into a U-shaped rod with a downward opening; the rear bracket 7 includes two rear stay bars 71 located at both left and right sides. On each side of the frame 100, as shown in fig. 1, 5 and 6, the upper portion of the front strut 51 is rotatably connected to the lower portion of the push rod 61 about the second rotation center line X2, the front portion of the link portion 112 of the rear strut 11 is rotatably connected to the front strut 51 about the third rotation center line X3, the upper portion of the rear strut 71 is rotatably connected to the push rod 61 about the fourth rotation center line X4, the lower portion of the rear strut 71 is rotatably connected to the strut portion 111 of the rear strut 11 about the fifth rotation center line X5, and the second rotation center line X2, the third rotation center line X3, the fourth rotation center line X4 and the fifth rotation center line X5 are parallel to each other and all extend in the left-right direction. The front wheel assembly 201 includes two sets on the left and right sides, and the two sets of front wheel assemblies 201 are respectively located at lower portions of the two front struts 51.

In the unfolded state of the frame 100, as shown in fig. 1, 2 and 5, the front bracket 5 and the push rod frame 6 extend from front to back upwards in the same length direction, the seat 2 extends obliquely downwards from front to back, the rear bracket 7 is supported between the push rod frame 6 and the strut portion 111 of the rear bracket 1, and the link portion 112 and the seat 2 are both located in front of the rear bracket 7 and are both located below the push rod frame 6.

At this time, the stroller is pushed to move, as shown in fig. 8 to 10, along with the rotation of the rear wheel 202a, the swing rod portion 32 of the swing frame 3 moves circumferentially around the axis of the shaft portion 31, the lower portion of the connecting frame 4 rotates together with the swing rod portion 32 and drives the connecting frame 4 to swing, in this process, the cross rod 41 drives the slider 21 to slide reciprocally on the connecting rod portion 112 of the rear strut 11, the seat plate 22 fixed on the slider 21 moves back and forth along the length direction of the connecting rod portion 112 along with the slider 21, the child does not sit on the seat 2 in a boring manner, and the enjoyment brought by the front and back swing of the seat 2 can be also experienced in the riding process.

The frame 100 also has a folded state, when the frame 100 is folded, the push rod frame 6 is turned backwards around the second rotation center line X2 to fold the push rod frame relative to the rear bracket 1, and in this process, the front bracket 5 is folded backwards, and the front wheel assembly 201 is folded relative to the rear wheel assembly 202. Finally, the stroller in the folded state, the push rod frame 6 is folded at the rear of the rear bracket 1, and is folded with the front bracket 5, the connecting frame 4, the rear bracket 1 and the rear bracket 7 in the front-rear direction, and the front wheel assembly 201 is folded between the rear wheel assemblies 202 in the left-right direction.

In other embodiments, the stroller is further provided with a locking mechanism for locking the slider 32 to the link portion 112, such that in the unfolded state of the frame 100, the frame has a first working state and a second working state, the stroller is in the first working state, the locking mechanism is in the unlocked state, and the slider 32 can slide on the link portion 112; in the second operating state of the stroller, the locking mechanism is in a locked state, and the slider 32 is locked to the link portion 112 and cannot slide relative to the link portion 112. The child stroller may further include a clutch structure between the rear wheel 202a and the shaft lever portion 31, wherein the rear wheel 202a and the shaft lever portion 31 rotate synchronously when the clutch structure is in the engaged state, and the rear wheel 202a and the shaft lever portion 31 can be separated when the clutch structure is converted into the clutch state, so that the rotation of the support rod 42 and the rotation of the rear wheel 202a do not generate linkage, and the child stroller can be pushed to be used as a traditional stroller when the child stroller is in the second working state.

In summary, the stroller illustrated in this embodiment is provided with the seat 2 that can slide back and forth on the rear bracket 1, and in the moving process of the stroller, the child sitting on the seat 2 can swing back and forth along with the seat 2, so as to increase the riding interest of the child.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (10)

1. The utility model provides a children's shallow, includes the frame that has at least the state of expanding, locates the wheel subassembly of frame bottom, its characterized in that: the frame comprises a frame body and a seat, wherein the seat extends along the front-rear direction, the seat can be arranged on the frame body in a relatively sliding manner along the front-rear direction, all wheel assemblies are arranged at the bottom of the frame body, and at least one wheel assembly and the seat are arranged in a linkage manner, so that the wheel body of the wheel assembly is rotationally linked to the seat to slide along the front-rear direction.

2. The stroller of claim 1, wherein: the wheel assembly comprises a front wheel assembly arranged at the front part of the bottom of the frame body, and two groups of rear wheel assemblies arranged at the left side and the right side of the rear part of the bottom of the frame body, wherein the rear wheel assemblies and the seats are arranged in a linkage manner.

3. The stroller of claim 2, wherein: the frame main body at least comprises a rear bracket, the rear bracket comprises a supporting rod part and a connecting rod part, the supporting rod part extends along the up-down direction when the frame is in a unfolding state, the connecting rod part extends forwards from the upper part of the supporting rod part, the seat can be arranged on the connecting rod part in a relatively sliding way along the length extending direction of the connecting rod part,

the frame main body further comprises a swinging frame and a connecting frame, the swinging frame is provided with a shaft rod part extending along the left-right direction, the rear wheel assembly comprises a rear wheel fixedly installed on the shaft rod part, the shaft rod part can be connected to the lower part of the supporting rod part in a relatively rotating mode around the axis of the shaft rod part, one end part of the connecting frame is rotationally connected to the bottom of the seat, the other end part of the connecting frame can be rotationally connected to the swinging frame around a first rotation center line, and the first rotation center line is parallel to the axis of the shaft rod part.

4. A stroller according to claim 3, wherein: the rear support comprises two groups of rear support rods which are respectively arranged at the left side and the right side, each group of rear support rods comprises a support rod part and a connecting rod part, each seat comprises two groups of sliding parts and seat plates arranged on the two groups of sliding parts, and each connecting rod part at each side is provided with one sliding part.

5. The stroller of claim 4, wherein: the swinging frame comprises a swinging rod part and two shaft rod parts, the two shaft rod parts are arranged on the left side and the right side of the swinging rod part, the axial lead of the swinging rod part forms a first rotation central line, the connecting frame comprises a cross rod extending along the left-right direction, and the cross rod can be rotationally arranged between the sliding parts on the two sides around the axial lead of the cross rod.

6. The stroller of claim 5, wherein: the connecting frame further comprises a supporting rod, the supporting rod is located between the two groups of rear supporting rods in the left-right direction, the frame is in a unfolded state, the supporting rod extends in the up-down direction, the upper portion of the supporting rod is fixedly arranged on the cross rod, and the lower portion of the supporting rod can be rotationally connected to the swing rod portion around the axial lead of the swing rod portion.

7. A stroller according to claim 3, wherein: the seat extends obliquely downward from the front to the rear in the unfolded state of the frame.

8. A stroller according to any one of claims 3 to 6, wherein: the frame still includes fore-stock, push rod frame and back strut, the frame is in under the expansion state, the fore-stock the push rod frame reaches back strut all extends along the upper and lower direction, the upper portion of fore-stock with the lower part of push rod frame is rotationally connected, the front portion of back support rotationally connect in on the fore-stock, back strut rotationally connect in between the push rod frame with the back support, the front wheel subassembly is located the bottom of fore-stock.

9. The stroller of claim 8, wherein: the upper portion of back strut rotationally connect in on the push rod frame, the lower part of back strut rotationally connect in on the branch portion of back support, the frame is in under the state of expanding, connecting rod portion with the seat all is located back strut's place ahead.

10. The stroller of claim 8, wherein: the front support and the push rod frame extend along the same length direction when the frame is in a unfolding state; the frame is in a folding state, and the push rod frame is turned over and folded at the rear of the rear support and is folded with the front support, the connecting frame, the rear support and the rear support along the front-rear direction.