CN217672787U

CN217672787U - Children's barrow

Info

Publication number: CN217672787U
Application number: CN202221156499.1U
Authority: CN
Inventors: 战华锋; 李丰
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-10-28
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a children cart, wherein the cart frame comprises a tray, a front support component with a front wheel component, a rear support component with a rear wheel component, a pushing handle component, a support rod component and a locking device, the front support component is rotationally connected with the tray around a first axis, the rear support component is rotationally connected with the front support component around a second axis, and the upper part of the rear support component is connected with the tray in a sliding and rotating way; the second axis is positioned between the first axis and the front wheel assembly, and the second axis is also positioned between the upper part of the rear bracket component and the rear wheel assembly; the push handle assembly is rotatably connected with the front support assembly around a third axis; the supporting rod component is respectively connected with the pushing handle component and the rear support component in a rotating way around a fourth axis and a fifth axis; the locking device is used for locking the cart frame in the unfolded state; the utility model provides a folding mode of children's shallow is simple, and the member is less, and it is swift convenient to change between the two kinds of states, and folding back is small, and safety and stability nature is good.

Description

Children's barrow

Technical Field

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

Background

Stroller vehicles have become an essential product in the growth process of children. At present, the child stroller generally has an unfolding state or a folding state so as to be convenient for pushing, carrying and containing. However, the folding mechanism of the conventional stroller is complicated, involves a plurality of parts, and is easily damaged after being folded repeatedly. And the unfolding and folding steps are complicated, so that the convenience of daily use of the baby stroller is reduced.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art and providing a child cart which has simple structure, convenient operation and difficult damage.

In order to achieve the above purpose, the utility model discloses a following scheme realizes:

a stroller having a stroller frame in an unfolded state and a folded state, the stroller frame comprising:

a tray on which a seating part for seating a child is provided;

the lower part of the front support assembly is provided with a front wheel assembly, and the front support assembly and the support plate are rotationally connected around a first axis;

the lower part of the rear support assembly is provided with a rear wheel assembly, the rear support assembly is rotatably connected with the front support assembly around a second axis, and the upper part of the rear support assembly is connected with the tray in a sliding and rotating manner; the second axis is located between the first axis and the front wheel assembly, and the second axis is also located between the upper portion of the rear bracket assembly and the rear wheel assembly;

the push handle assembly is rotationally connected with the support disc around a third axis;

the upper part of the supporting rod assembly is rotationally connected with the push handle assembly around a fourth axis, and the lower part of the supporting rod assembly is rotationally connected with the rear support assembly around a fifth axis;

a locking device for locking the stroller frame in the deployed state.

In some embodiments, a connecting rod is arranged at the upper part of the front support assembly, and the push handle assembly is rotatably connected with the connecting rod around the third axis; when the cart frame is in the unfolded state, the connecting rod extends towards the rear lower part.

In some embodiments, the front portion of the tray is opened with a sliding slot, the sliding slot has a first position and a second position, and the upper portion of the rear bracket component is slidably and rotatably arranged in the sliding slot; when the trolley frame is in a spreading state, the second position is located at the rear upper part of the first position, the upper part of the rear support assembly is located at the first position, and the first axis is located at the rear part of the first position; when the trolley frame is in a folded state, the upper portion of the rear support assembly is located at the second position.

In some embodiments, the rear bracket assembly comprises two symmetrically arranged first and second rear brackets; the support rod assembly comprises two support rods symmetrically arranged at two sides of the push handle assembly, each support rod comprises a first support rod and a second support rod, each support rod comprises a first support section and a second support section, and the first support section and the second support section are fixedly connected or integrally formed; the first supporting section of the first supporting rod is connected with the pushing handle component in a rotating mode around the fourth axis, and the first supporting section of the second supporting rod is connected with the pushing handle component in a rotating mode around the fourth axis. The second supporting section of the first supporting rod is connected with the first rear support in a rotating mode around the fifth axis, and the second supporting section of the second supporting rod is connected with the second rear support in a rotating mode around the fifth axis.

In some embodiments, the support rod assembly comprises two support rods symmetrically arranged at two sides of the push handle assembly, and each support rod comprises a first support section rotatably connected with the push handle assembly; when the trolley frame is in the unfolding state, the length direction of the first supporting section is parallel to the length direction of the pushing handle assembly.

In some embodiments, the support rod assembly includes a first support section and a second support section, the first support section is rotatably connected to the push handle assembly about the fourth axis, and the second support section is rotatably connected to the rear bracket assembly about the fifth axis. The fourth axis is positioned between the third axis and the upper part of the push handle component; when the trolley frame is in the unfolding state, the third axial lead, the fourth axial lead and the fifth axial lead are located in the same plane, and the third axial lead is located the fourth axial lead and between the fifth axial leads.

In some embodiments, the locking device is arranged between the push handle assembly and the support rod assembly, the support rod assembly comprises two support rods symmetrically arranged at two sides of the push handle assembly, and the support rod assembly further comprises a connecting piece for connecting the two support rods; the locking device comprises a locking part arranged on the push handle assembly and a matching part arranged on the connecting piece; when the locking device is locked, the matching part is connected with the locking part; when the locking device is unlocked, the locking part is disengaged from the mating part.

In some embodiments, the locking part is a lock tongue arranged on the push handle assembly, the matching part is a lock hole arranged on the connecting piece and matched with the lock tongue, and when the locking device is locked, the lock tongue is embedded into the lock hole; when the locking device is unlocked, the lock tongue is separated from the lock hole.

In some embodiments, when the stroller frame is folded from an unfolded state to a folded state, the pushing assembly overturns towards the rear lower side around the fourth axis and draws close to the rear support assembly, the pushing assembly drives the front support assembly to rotate around the second axis and draw close to the rear support assembly, the upper portion of the rear support assembly draws close to the upper portion of the front support assembly, and the support coil rotates around the first axis and draws close to the front support assembly.

In some embodiments, a connecting rod is provided at an upper portion of the front support assembly, the handle assembly is substantially parallel to a length direction of the pallet when the stroller frame is folded, the front wheel assembly and the rear wheel assembly at least partially overlap, and the handle assembly is obliquely crossed with the connecting rod.

In some embodiments, the seating portion is a seat including a backrest and a seat pan, the backrest being rotationally coupled with the seat pan.

In some embodiments, the push handle assembly includes a push-up handle and a push-down handle, the push-down handle is slidably connected with the push-up handle, and the locking device is unlocked when the overlap between the push-up handle and the push-down handle is the greatest (i.e., the push-up handle slides to the lowest end towards the push-down handle).

Because above-mentioned technical scheme's application, the utility model provides a children's shallow, whole volume is showing and is reducing, simple structure, convenient operation facilitates the use and accomodates.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic view of the overall structure of the stroller of the present invention;

FIG. 2 is a schematic view of the seat pocket assembly after being folded and the push handle assembly retracted;

FIG. 3 is a schematic view of the rotating push handle assembly;

FIG. 4 is a schematic view of FIG. 3 after further rotation of the push handle assembly;

fig. 5 is a schematic view of the stroller of the present invention fully folded and stored;

FIG. 6 is a schematic view of a tray;

fig. 7 is an exploded view of a part of the stroller.

Wherein: 1-a front carrier assembly; 11-a first front support; 12-a second anterior support; 13-a front carrier connection rod; 14-a front wheel assembly; 141-a first front wheel; 142-a second front wheel; 15-a connecting rod; 2-rear support component; 21-a first rear bracket; 22-a second rear bracket; 23-rear bracket connecting rod; 24-a rear wheel assembly; 241-a first rear wheel; 242-a second rear wheel; 3-a tray; 31-a chute; 311-first position; 312-a second position; 4-a push handle assembly; 41-push up handle; 411-a crossbar; 42-pushing the handle downwards; 5-a support rod assembly; 51-a first support bar; 511-a first support section of a first support bar; 512-a second support section of the first support bar; 52-a second support bar; 521-a first support section of a second support bar; 522-a second support section of a second support bar; 53-a connector; 6-a locking device; 61-a locking portion; 611-a locking tongue; 62-a mating portion; 7-a seat; 71-backrest; 72-a seat plate; 8001-a first axis; 8002-second axis line; 8003-a third axis line; 8004-fourth axis line; 8005-fifth axis line.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and preferred embodiments of the invention. In the following embodiments, for convenience of description, the left, right, up, down, front and rear mentioned in the definition of the direction are defined by referring to the direction observed by a seated person seated on the stroller only for convenience of description and simplified description, and do not indicate or imply that the device or element referred to must have a specific orientation, only have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-7, the present embodiment provides a stroller having a stroller frame with an unfolded state and a folded state (as shown in fig. 5), the stroller frame comprising a front frame assembly 1, a rear frame assembly 2, a tray 3 (as shown in fig. 6), a push handle assembly 4, a support rod assembly 5, and a locking device 6. In general, a stroller has a member for directly supporting a child, such as a seat bag, a sleeping bag, or a cradle, and this member is collectively referred to as a seating part 7 in this embodiment.

In this embodiment, the seating portion 7 for seating a child is provided on the tray 3, the front portion of the tray 3 is provided with a chute 31 having a through hole, and the chute 31 has a first position 311 and a second position 312; when the stroller frame is in the unfolded state, the chute 31 is inclined obliquely downward from the rear, and the second position 312 is located rearward and upward of the first position 311. The upper part of the front bracket component 1 is provided with a connecting rod 15 extending backwards and downwards; an accommodating space is left between the chute 31 and the connecting rod 15 for installing the upper end of the front bracket assembly 1.

The front bracket assembly 1 comprises a first front bracket 11, a second front bracket 12, a front bracket connecting rod 13 and a front wheel assembly 14 which are symmetrically arranged, and two ends of the front bracket connecting rod 13 are fixedly connected with the first front bracket 11 and the second front bracket 12 on two sides respectively. The front wheel assembly 14 includes two first front wheels 141 and two second front wheels 142 respectively disposed below the first front bracket 11 and below the second front bracket 12. The front wheel assembly 14 in this embodiment may be a universal wheel, which facilitates changing the advancing direction of the stroller. The front bracket assembly 1 is rotatably connected with the tray 3 around a first axis 8001, and the first axis 8001 is located between the chute 31 and the connecting rod 15. Specifically, the upper portion of the first front bracket 11 and the upper portion of the second front bracket 12 may be fixedly connected and then rotatably connected to the tray 3 around the first axis 8001, and the upper portions of the first front bracket 11 and the second front bracket 12 may also be rotatably connected to the tray 3 around the first axis 8001, respectively.

The rear bracket assembly 2 comprises a first rear bracket 21, a second rear bracket 22, a rear bracket connecting rod 23 and a rear wheel assembly 24 which are symmetrically arranged, and two ends of the rear bracket connecting rod 23 are fixedly connected with the first rear bracket 21 and the second rear bracket 22 on two sides respectively. The rear wheel assembly 24 includes two first rear wheels 241 and two second rear wheels 242 respectively disposed below the first rear bracket 21 and below the second rear bracket 22. The rear bracket assembly 2 is rotatably connected with the front bracket assembly 1 around a second axis line 8002, the upper portion of the first rear bracket 21 is fixedly connected with the upper portion of the second rear bracket 22 to form the upper portion of the rear bracket assembly 2, and the upper portion of the rear bracket assembly 2 is slidably and rotatably disposed in the sliding groove 31 in the embodiment. The rear wheel assembly 24 is rotatably connected to the rear bracket assembly 2 or the rear bracket connecting rod 23, and has a rotating function but does not have a steering function. The second axis 8002 is located between the first axis 8001 and the front wheel assembly 14, and the second axis 8002 is also located between an upper portion of the rear bracket assembly 2 and the rear wheel assembly 24.

In this embodiment, the supporting rod assembly 5 includes two first supporting rods 51 and two second supporting rods 52 symmetrically disposed on two sides of the handle assembly 4, and a connecting member 53 connecting the first supporting rods 51 and the second supporting rods 52, each supporting rod assembly 5 includes a first supporting section and a second supporting section, and the connecting member 53 is located between the first supporting rod 51 and the second supporting rod 52. The support rod assembly 5 and the handle pushing assembly 4 rotate around the fourth axis 8004, in this embodiment, the upper end portion of the support rod assembly 5 is rotatably connected with the handle pushing assembly 4 around the fourth axis 8004, and the first support rod 51 and the second support rod 52 are rotatably connected with the handle pushing assembly 4 around the fourth axis 8004 respectively. The lower end part of the support rod assembly 5 is rotatably connected with the rear support assembly 2 around a fifth axis 8005; in this embodiment, the lower end portions of the first support bar 51 and the second support bar 52 on both sides are respectively rotatably connected to the first rear bracket 21 and the second rear bracket 22 at the corresponding positions on both sides around the fifth axis 8005. The length direction of the first support section 511 of the first support rod 51 is oblique to the length direction of the second support section 512 of the first support rod 51, the length direction of the first support section 521 of the second support rod 52 is oblique to the length direction of the second support section 522 of the second support rod 52, so that when the stroller frame is in an unfolded state, the push handle assembly 4 extends along the middle of the left and right directions of the stroller frame, and the first support section 511,521 is positioned on the extension line of the push handle assembly 4 to ensure the stable connection of the support rod assembly 5 and the push handle assembly 4; meanwhile, the second support sections 512,522 on the two sides are respectively inclined to the corresponding rear support component 2 towards the left and right outer sides and then connected, and the length direction of the pushing handle component 4 is located on the plane where the support rod component 5 is located, so that the trolley frame is compact and attractive in structure in the unfolded state, and meanwhile, the left side and the right side are stably supported.

The push handle assembly 4 comprises a lower push handle 42 and an upper push handle 41, the upper push handle 41 is slidably connected with the lower push handle 42, the upper push handle 41 can slide up and down in the lower push handle 42 along the length direction of the lower push handle 42, a cross rod 411 convenient for an adult to hold by one hand is further fixedly arranged on the upper push handle 41, and the push handle assembly 4 is rotatably connected with the connecting rod 15 around a third axis 8003. The push handle component 4 adopts a single-rod design, so that when the push handle component is used by a single person, for example, when the push handle component is folded and unfolded, one hand can hold the push handle component 4, the other hand can fix the cart, and the operation stability is improved; in addition, under the condition that a child is held by one hand, the user can also complete the unfolding and folding operations by one hand.

The locking device 6 comprises a locking part 61 arranged on the push handle component 4 and a matching part 62 which is arranged on the connecting piece 53 and is matched with the locking part 61; when the locking device 6 is locked, the fitting portion 62 is connected with the locking portion 61; when the locking device 6 is unlocked, the locking portion 61 is disengaged from the fitting portion 62. The locking part 61 includes a latch tongue 611 and an elastic member disposed between the latch tongue 611 and the push rod assembly 4 to control the latch tongue 611. The fitting portion 62 is a lock hole provided on the link 53. The lower side of the back of the latch tongue 611 is an inclined surface, when the latch tongue 611 is unfolded from the folded state to the unfolded state, the connecting piece 53 slides along the inclined surface, the latch tongue 611 can be contracted under the extrusion of the connecting piece 53, and when the connecting piece 53 is separated from the inclined surface, the latch tongue 611 is automatically inserted into the lock hole on the connecting piece 53 under the elastic force of the elastic piece, so that the locking of the locking device is completed. After the locking or unlocking is completed, the locking tongue 611 can automatically return and pop out under the action of the elastic element, and cannot be retracted in the push handle assembly 4. In this embodiment, there is only one locking device 6, which improves the folding and unfolding speed of the cart and simplifies the operation.

The sitting part 7 is a seat, the seat comprises a backrest 71 and a seat board 72, the backrest 71 and the seat board 72 are rotatably connected, the backrest 71 is further provided with a rotary folding support which can be used for being matched with a sunshade, and the sitting part is further provided with a U-shaped annular handrail which is used for protecting a sitting person.

As shown in fig. 1, in the present embodiment, when the stroller is in the unfolded state, the second position 312 of the slide groove 31 is located at the rear upper side of the first position 311, the upper portion of the rear bracket assembly 2 is located at the first position 311 of the slide groove 31, the upper portion of the front bracket assembly 1 is located at the rear upper side of the upper portion of the rear bracket assembly 2, the lower portion of the front bracket assembly 1 is located at the front of the lower portion of the rear bracket assembly 2, the front wheel assembly 14 is located at the front of the rear wheel assembly 24, and the rear bracket connecting rod 23 is located at the rear lower side of the front bracket connecting rod 13. At this time, the third axis 8003, the fourth axis 8004 and the fifth axis 8005 are located in the same plane, and the third axis 8003 is located between the fourth axis 8004 and the fifth axis 8005.

As shown in fig. 2, when the stroller is folded from the unfolded state to the folded state, the backrest 71 is folded toward the seat plate 72, the upper push rod 41 is completely pushed into the lower push rod 42 along the length direction of the lower push rod 42, and the lower end of the upper push rod 41 triggers the latch tongue 611 to withdraw from the lock hole against the elastic force of the elastic member, so as to unlock the locking device 6. At this time, the locking part 61 arranged at the bottom end of the push handle rod assembly 4 and the matching part 62 arranged at the middle part of the support rod assembly 5 are in an unlocked state, but the push handle assembly 4 and the support rod assembly 5 are not rotated.

As shown in fig. 3, the stroller is further folded, the handle unit 4 is pushed rearward and downward around the third axis 8003, the handle unit 4 is rotated, and the locking portion 61 of the locking device 6 is disengaged from the engaging portion 62.

As shown in fig. 3-4, the push handle assembly 4 is turned backwards and downwards around the fourth axis 8004, the push handle assembly 4 drives the rear support assembly 2 to rotate around the second axis 8002 through the support rod assembly 5, and the upper part of the rear support assembly 2 approaches the upper part of the front support assembly 1 along the chute 31; the upper end of the rear bracket is positioned between the first position 311 and the second position 312 of the chute 31; the pushing handle assembly 4 drives the front support assembly 1 to rotate around the second axis 8002 and approach to the rear support assembly 2, and the tray 3 rotates around the first axis 8001 and approaches to the front support assembly 1.

As shown in fig. 5, when the stroller is completely folded, the upper portion of the rear bracket assembly 2 is located at the second position 312 of the slide slot 31; front wheel assembly 14 and rear wheel assembly 24 at least partially overlap; the length direction of the push handle component 4 is approximately parallel to the length direction of the tray 3, and the length direction of the push handle component 4 is oblique to the length direction of the connecting rod 15; the length direction of the support rod component 5 is oblique to the length direction of the rear support component 2 and is not in the same plane; the length direction of the support rod component 5 is oblique to the length direction of the push handle component 4. Finally, a folded state as shown in fig. 5 is formed, the thickness and the length are minimum, the whole structure is simple, attractive and elegant, the size is small, and the folding portable storage device is convenient to carry and store after being folded.

To sum up, the utility model discloses a children's shallow can adapt to the application under the different scenes, and folding mode is simple moreover, and the member is less, and the conversion is swift convenient between the two kinds of states, and safety and stability nature is good.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a children's shallow, its shallow frame that has expansion state and fold condition which characterized in that, the shallow frame includes:

a tray on which a seating part for seating a child is provided;

the push handle assembly is rotatably connected with the front support assembly around a third axis;

a locking device for locking the stroller frame in the deployed state.

2. The stroller of claim 1, wherein a connecting rod is disposed at an upper portion of the front frame assembly, and the handle assembly is pivotally connected to the connecting rod about the third axis; when the cart frame is in the unfolded state, the connecting rod extends towards the rear lower part.

3. The stroller of claim 1, wherein the tray defines a slot in a front portion thereof, the slot having a first position and a second position therein, and wherein the upper portion of the rear frame assembly is slidably and rotatably disposed in the slot; when the trolley frame is in a spreading state, the second position is located at the rear upper part of the first position, the upper part of the rear support assembly is located at the first position, and the first axis is located at the rear part of the first position; when the trolley frame is in a folded state, the upper portion of the rear support assembly is located at the second position.

4. The stroller of claim 1, wherein the rear frame assembly comprises two symmetrically disposed first and second rear frames;

the support rod assembly comprises two support rods symmetrically arranged at two sides of the push handle assembly, each support rod comprises a first support rod and a second support rod, each support rod comprises a first support section and a second support section, and the first support section and the second support section are fixedly connected or integrally formed;

the first support section of the first support rod is rotatably connected with the push handle assembly around the fourth axis, and the first support section of the second support rod is rotatably connected with the push handle assembly around the fourth axis;

the second supporting section of the first supporting rod is connected with the first rear support in a rotating mode around the fifth axis, and the second supporting section of the second supporting rod is connected with the second rear support in a rotating mode around the fifth axis.

5. The stroller of claim 1, wherein the support bar assembly comprises two support bars symmetrically disposed on opposite sides of the handle assembly, each support bar comprising a first support section pivotally coupled to the handle assembly; when the trolley frame is in the unfolding state, the length direction of the first supporting section is parallel to the length direction of the pushing handle assembly.

6. The stroller of claim 1, wherein the support bar assembly includes a first support section and a second support section, the first support section being pivotally coupled to the handle assembly about the fourth axis, the second support section being pivotally coupled to the rear frame assembly about the fifth axis;

the fourth axis is positioned between the third axis and the upper part of the push handle component; when the trolley frame is in the unfolding state, the third axial lead, the fourth axial lead and the fifth axial lead are located in the same plane, and the third axial lead is located the fourth axial lead and between the fifth axial leads.

7. The stroller of claim 1, wherein the locking device is disposed between the handle assembly and the support bar assembly, the support bar assembly including two support bars symmetrically disposed on opposite sides of the handle assembly, the support bar assembly further including a connector connecting the two support bars;

the locking device comprises a locking part arranged on the push handle assembly and a matching part arranged on the connecting piece; when the locking device is locked, the matching part is connected with the locking part; when the locking device is unlocked, the locking part is disengaged from the mating part.

8. The stroller of claim 7, wherein the locking portion is a latch disposed on the handle assembly, the engaging portion is a locking hole disposed on the connecting member and adapted to the latch, and the latch is inserted into the locking hole when the locking device is locked; when the locking device is unlocked, the lock tongue is separated from the lock hole.

9. The stroller of claim 1, wherein when the stroller frame is folded from the unfolded state to the folded state, the handle assembly is flipped over toward the rear lower side around the fourth axis and is closed to the rear support assembly, the handle assembly drives the front support assembly to rotate around the second axis and close to the rear support assembly, the upper portion of the rear support assembly closes to the upper portion of the front support assembly, and the bracket rotates around the first axis and closes to the front support assembly.

10. The stroller of claim 9, wherein a connecting rod is disposed at an upper portion of the front frame assembly, the handle assembly is substantially parallel to a length of the tray when the stroller frame is in the folded state, the front wheel assembly and the rear wheel assembly at least partially overlap, and the handle assembly is oblique to the connecting rod.

11. The stroller of claim 1, wherein the seating portion is a seat comprising a backrest and a seat pan, the backrest being pivotally connected to the seat pan;

and/or the push handle assembly comprises an upper push handle and a lower push handle, the lower push handle is connected with the upper push handle in a sliding mode, and when the upper push handle and the lower push handle overlap at most, the locking device is unlocked.