CN212637615U

CN212637615U - Children's barrow

Info

Publication number: CN212637615U
Application number: CN202021463738.9U
Authority: CN
Inventors: 李丰; 吴传翔
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-03-02
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a children's shallow, including the shallow frame, the shallow frame includes the bottom bracket subassembly, push rod assembly and vaulting pole subassembly on the bottom bracket subassembly are established in the rotation, the vaulting pole subassembly includes down the vaulting pole and slides the last vaulting pole of establishing on the vaulting pole down, it rotates with push rod assembly to go up the vaulting pole and is connected, down the vaulting pole rotates with the bottom bracket subassembly to be connected, push rod assembly has forward and reverse use state, under forward use state, push rod assembly extends in the past backward tilt up, the vaulting pole subassembly shortens, under reverse use state, push rod assembly extends from backward tilt up, the vaulting pole subassembly extension. The baby stroller can enable the push rod assembly to be switched between a forward use state and a reverse use state only by operating the push rod assembly to enable the push rod assembly to rotate relative to the bottom bracket assembly, and the reversing operation is convenient; a triangular structure is formed among the push rod assembly, the bottom bracket assembly and the support rod assembly all the time in the reversing process, so that the stroller frame is always in a stably unfolded state, and the safety performance of the stroller is high.

Description

Children's barrow

Technical Field

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

Background

The child stroller provides great convenience for adults to carry small children for outdoor activities, so that the child stroller gradually becomes a necessity for adults to carry children for outdoor activities.

Because the existing baby stroller is mostly designed in such a way that the seat faces the front, the baby can conveniently watch scenery, pleasant mood is brought to the baby, and the baby can be helped to develop the mind of the baby, but the stroller of the parents is positioned behind the seat of the baby, so that the parents and the baby can communicate with each other inconveniently, and the interaction is lacked. In addition, in the process of a parent stroller, when an obstacle is encountered, the direction of the stroller needs to be changed frequently, and in the prior art, although the direction of a push handle of part of the stroller can be changed, the operation is complicated, and potential safety hazards also exist.

SUMMERY OF THE UTILITY MODEL

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

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

a children's barrow, having expansion and folding state, the children's barrow includes a barrow frame, a front wheel assembly arranged at the bottom front part of the barrow frame and a rear wheel assembly arranged at the bottom rear part of the barrow frame, the barrow frame includes a bottom bracket assembly, a push rod assembly rotatably arranged on the bottom bracket assembly and a strut assembly connected between the bottom bracket assembly and the push rod assembly, the strut assembly includes a lower strut and an upper strut slidably arranged above the lower strut along the length extending direction of the lower strut, the upper strut and the lower strut can relatively slide to extend or shorten the strut assembly, the upper part of the upper strut is rotatably connected with the push rod assembly, the lower part of the lower strut is rotatably connected with the bottom bracket assembly, the push rod assembly has a forward use state and a reverse use state, when the push rod assembly is in a forward use state, the push rod assembly slants upwards from the front to the back and extends, the stay bar assembly is shortened, when the push rod assembly is in a reverse use state, the push rod assembly slants upwards from the back to the front, and extends, and the stay bar assembly extends.

Preferably, the push rod assembly includes a lower push rod and an upper push rod, the lower portion of the upper push rod is rotatably connected with the upper portion of the lower push rod, the upper portion of the upper support rod is rotatably connected with the lower portion of the upper push rod, the bottom bracket assembly includes a front bracket for mounting the front wheel assembly, a rear bracket for mounting the rear wheel assembly, a lower connecting rod, and a connecting rod assembly located between the front bracket and the rear bracket, two of the three members of the upper portion of the front bracket, the upper portion of the rear bracket, and the lower portion of the lower push rod are rotatably connected, the third member is rotatably connected with any one of the two members, or the three members are rotatably connected with the same shaft, the connecting rod assembly is rotatably connected with the front bracket, or the connecting rod assembly is rotatably connected with the front bracket and the rear bracket at the same time, the two end parts of the lower connecting rod are respectively and rotatably connected with the connecting rod assembly and the lower part of the lower support rod, and the lower connecting rod is rotatably connected with the rear bracket.

Further, the connecting rod assembly comprises a first front connecting rod, a rear connecting rod and a first sliding piece, one end of the first front connecting rod is rotatably connected with the front support, the other end of the first front connecting rod is rotatably connected with one end of the rear connecting rod, the other end of the rear connecting rod is rotatably connected with the rear support, the first sliding piece can be arranged on the rear connecting rod in a sliding mode along the length extension direction of the rear connecting rod, and the two ends of the lower connecting rod are respectively rotatably connected with the first sliding piece and the lower portion of the lower supporting rod.

Further, the connecting rod assembly comprises a second front connecting rod, one end of the second front connecting rod is rotatably connected with the front bracket, and two ends of the lower connecting rod are respectively rotatably connected with the other end of the second front connecting rod and the lower part of the lower support rod.

Further, the bottom bracket assembly further comprises a seat plate and a second sliding piece which is arranged on the seat plate in a sliding mode along the front-back direction, the front portion of the seat plate is rotatably connected with the upper portion of the rear bracket, and the rear portion of the second sliding piece is rotatably connected with the lower connecting rod.

Further, the upper part of the front bracket, the upper part of the rear bracket, the lower part of the lower push rod and the front four parts of the seat plate are in the same shaft rotating connection, and the lower part of the lower stay rod, the lower link and the rear three parts of the second sliding member are in the same shaft rotating connection.

The utility model provides a concrete embodiment, lower push rod is including the push rod branch that is located the left and right sides and connecting the left and right sides push rod horizontal pole between the push rod branch, the fore-stock with the after-poppet sets up respectively the left and right sides of children's shallow, every side the fore-stock with the upper portion of after-poppet all overlaps and establishes on the push rod horizontal pole and can wind the push rod horizontal pole sets up with rotating, the bottom cover of bedplate is established on the push rod horizontal pole and can wind the push rod horizontal pole sets up with rotating.

Further, when the push rod assembly is in a forward use state, the upper support rod, the lower support rod and the lower connecting rod extend along the same straight line direction.

Further, when the child stroller is in an unfolded state and the push rod assembly is reversed, the bottom bracket assembly is in a locked state, the upper push rod and the lower push rod are fixed in relative positions, the lower push rod can be opposite to the front bracket and the rear bracket, and the lower support rod can be opposite to the lower connecting rod.

Further, when the push rod assembly is in a forward using state, the stroller can be folded, and when the stroller is folded, the upper support rod, the lower support rod and the lower connecting rod are fixed in relative positions.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model has simple structure, when the baby carriage is reversed, a crank block mechanism is formed among the push rod component, the bottom bracket component, the lower stay bar and the upper stay bar, the push rod component can be switched between a forward use state and a reverse use state as long as the push rod component is operated to rotate relative to the bottom bracket component, and the reversing operation is convenient; and in the process that the push rod component rotates relative to the bottom bracket component, the lower supporting rod and the upper supporting rod slide relatively to extend or shorten the supporting rod component, and a triangular structure is formed among the push rod component, the bottom bracket component and the supporting rod component all the time, so that the frame of the stroller is always in a stably unfolded state, and the safety performance of the stroller is improved.

Drawings

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

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

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

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

fig. 5 is a perspective view of the stroller of the present invention during the folding process;

fig. 6 is a side view of the stroller of the present invention during the folding process;

fig. 7 is a perspective view of the stroller of the present invention in a folded state;

fig. 8 is a side view of the stroller of the present invention in a folded state.

Detailed Description

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

As shown in fig. 1-8, the stroller of the present invention comprises a stroller frame, a front wheel assembly 40 disposed at the front portion of the bottom of the stroller frame, and a rear wheel assembly 50 disposed at the rear portion of the bottom of the stroller frame.

The cart frame comprises a bottom bracket component 1 positioned at the bottom, a push rod component 2 positioned above the bottom bracket component 1 and a support rod component 3 connected between the bottom bracket component 1 and the push rod component 2. The lower part of the push rod component 2 is rotatably connected with the upper part of the bottom bracket component 1. The stay assembly 3 includes a lower stay 31 and an upper stay 32 slidably provided on the lower stay 31 in a length extending direction of the lower stay 31, and the lower stay 31 and the upper stay 32 are relatively slidable therebetween, thereby extending or shortening the stay assembly 3. The upper part of the upper stay bar 32 is rotatably connected with the push rod assembly 2, and the lower part of the lower stay bar 31 is rotatably connected with the bottom bracket assembly 1. Thus, a crank-slider mechanism is formed among the bottom bracket component 1, the push rod component 2, the upper support rod 32 and the lower support rod 31, the push rod component 2 can rotate forwards or backwards relative to the bottom bracket component 1, so that the crank-slider mechanism formed among the bottom bracket component 1, the push rod component 2, the upper support rod 32 and the lower support rod 31 drives the support rod component 3 to synchronously rotate relative to the bottom bracket component 1, and the support rod component 3 extends or shortens.

The push rod assembly 2 comprises a lower push rod 21 and an upper push rod 22, wherein the lower part of the upper push rod 22 is rotatably connected with the upper part of the lower push rod 21, and the upper part of the upper support rod 32 is rotatably connected with the lower part of the upper push rod 22.

The bottom bracket assembly 1 comprises a front bracket 11, a rear bracket 12, a lower link 13 and a link assembly. The front wheel assembly 40 is disposed at a lower portion of the front bracket 11. The rear wheel assembly 50 is disposed at a lower portion of the rear bracket 12. Two of the three components of 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 21 are rotatably connected, the third component is rotatably connected with any one of the two components, or the three components are rotatably connected with the same shaft. The connecting rod assembly is arranged between the front bracket 11 and the rear bracket 12, and the connecting rod assembly is rotatably connected with the front bracket 11, or the connecting rod assembly is rotatably connected with the front bracket 11 and the rear bracket 12 at the same time. The lower link 13 is rotatably connected to the lower portion of the lower stay 31, the rear bracket 12 and the link assembly in this order from top to bottom.

In one specific embodiment, the linkage assembly includes a first front link 141, a rear link 142, and a first slider 143. One end of the first front link 141 is rotatably connected to the front bracket 11, the other end of the first front link 141 is rotatably connected to one end of the rear link 142, the other end of the rear link 142 is rotatably connected to the rear bracket 12, the first slider 143 is slidably provided on the rear link 142 in the longitudinal extension direction of the rear link 142, and the lower portion of the lower link 13 is rotatably connected to the first slider 143.

In another embodiment, the link assembly includes a second front link, one end of which is rotatably connected to the front bracket 11, and the other end of which is rotatably connected to the lower portion of the lower link 13.

In this embodiment, the connecting rod assembly adopts the structural form of the first embodiment.

The chassis assembly 1 may further include a seat plate 15 and a second slider 16, a front portion of the seat plate 15 is rotatably coupled to an upper portion of the rear bracket 12, the second slider 16 is slidably disposed on the seat plate 15 in a front-rear direction, and a rear portion of the second slider 16 is rotatably coupled to the lower link 13.

In the present embodiment, the upper portion of the front bracket 11, the upper portion of the rear bracket 12, the lower portion of the lower push rod 21, and the front portion of the seat plate 15 are pivotally connected to each other, and the lower portion of the lower stay 31, the upper portion of the lower link 13, and the rear portion of the second slider 16 are pivotally connected to each other. Thus, a four-bar linkage is formed between the front bracket 11, the rear bracket 12, the rear link 142 and the first front link 141, a crank block mechanism is formed between the rear bracket 12, the rear link 142, the first slider 143 and the lower link 13, and a crank block mechanism is also formed between the seat plate 15, the rear bracket 12, the lower link 13 and the second slider 16.

Specifically, the lower push rod 21 includes the push rod support bars 211 that are located the left and right sides and the push rod cross bar 212 that is connected between the push rod support bars 211 of the left and right sides, front bracket 11 and rear bracket 12 set up the left and right sides at the children's shallow respectively, front bracket 11 of each side all includes front support bar 111 and the fixed first sleeve pipe 112 that sets up on front support bar 111's upper portion, rear bracket 12 of each side all includes back branch 121 and the fixed second sleeve pipe 122 that sets up on the upper portion of back branch 121, bedplate 15 includes bedplate body 151 and the fixed anterior third sleeve pipe 152 that sets up in the bottom of bedplate body 151. The first sleeve 112, the second sleeve 122 and the third sleeve 152 are all sleeved on the push rod cross bar 212 and can be rotatably arranged around the push rod cross bar 212. The second sleeves 122 on the left and right sides are accommodated between the first sleeves 112 on the left and right sides, and the third sleeves 152 are accommodated between the second sleeves 122 on the left and right sides.

When the stroller is in the unfolded state, the lower push rod 21 and the upper push rod 22 extend in the same linear direction, and the push rod assembly 2 has a forward use state and a reverse use state. When push rod assembly 2 is in a forward use state, push rod assembly 2 gradually extends obliquely upwards from front to back, strut assembly 3 and lower connecting rod 13 both extend in the up-down direction, upper strut 32, lower strut 31 and lower connecting rod 13 extend in the same linear direction, first front connecting rod 141 and rear connecting rod 142 both extend in the front-back direction, and both extend in the same linear direction, and most of upper strut 32 is retracted into the lumen of lower strut 31, so that the length of strut assembly 3 is relatively small, as shown in fig. 1 and 2. When the push rod assembly 2 is in a reverse use state, the push rod assembly 2 gradually inclines upwards from back to front, an included angle is formed between the strut assembly 3 and the lower connecting rod 13, the first front connecting rod 141 and the rear connecting rod 142 both extend along the front-back direction and the same straight direction, and most of the upper strut 32 extends out of the tube cavity of the lower strut 31, so that the length of the strut assembly 3 is relatively long, as shown in fig. 3 and 4.

When the push rod assembly 2 is switched between the forward use state and the reverse use state, the bottom bracket assembly 1 is in the locking state, that is, the positions of the components forming the bottom bracket assembly 1 are all in the relatively fixed state, the components cannot move relatively, and the whole bottom bracket assembly 1 is equivalent to a rigid integral structure. The push rod assembly 2 is also in a locked state, i.e. the position between the lower push rod 21 and the upper push rod 22 is relatively fixed, and no relative movement occurs between the two. When the push rod assembly 2 is switched from a forward use state to a reverse use state, the push rod assembly 2 integrally rotates forwards around the rotary joints with the front support 11, the rear support 12 and the seat plate 15, the brace rod assembly 3 is driven by a crank-slider mechanism formed among the bottom support assembly 1, the push rod assembly 2, the upper brace rod 32 and the lower brace rod 31 to synchronously rotate forwards around the rotary joints with the lower connecting rod 13 and the second sliding piece 16, the upper brace rod 32 slides relative to the lower brace rod 31 and gradually extends out of a tube cavity of the lower brace rod 31, and the brace rod assembly 3 gradually extends until the push rod assembly 2 is in the reverse use state; when push rod assembly 2 is switched from a reverse use state to a forward use state, push rod assembly 2 is rotated backward around the rotational joints with front support 11, rear support 12 and seat plate 15, and crank-slider mechanism formed among bottom support assembly 1, push rod assembly 2, upper support rod 32 and lower support rod 31 drives support rod assembly 3 to rotate backward around the rotational joints with lower connecting rod 13 and second sliding member 16 synchronously, and upper support rod 32 slides relative to lower support rod 31 and retracts into the tube cavity of lower support rod 31 gradually, and support rod assembly 3 shortens gradually until push rod assembly 2 is in the forward use state. In the whole reversing process, a triangular structure is formed among the push rod assembly 2, the bottom bracket assembly 1 and the support rod assembly 3 all the time, so that the frame of the stroller is always in a stably unfolded state, and the safety performance of the stroller is improved.

When the push rod assembly 2 is in the forward use state, the stroller can be folded, when the stroller is folded, the stay rod assembly 3 is in the locking state, the position between the lower stay rod 31 and the lower connecting rod 13 is locked, namely the relative positions between the upper stay rod 32, the lower stay rod 31 and the lower connecting rod 13 are fixed, and the three components are equivalent to an integral structure and do not move relatively. The push rod 22 is pressed forwards and downwards to drive the lower push rod 21 and the integral structure formed by the upper support rod 32, the lower support rod 31 and the lower connecting rod 13 to turn downwards to be close to the rear support 12; when the integral structure formed by the upper support rod 32, the lower support rod 31 and the lower connecting rod 13 rotates downwards, the first sliding part 143 is driven to slide forwards along the length extending direction of the rear connecting rod 142, and the rotating connection part of the first front connecting rod 141 and the rear connecting rod 142 moves upwards, so that the front support 11 turns backwards and is close to the rear support 12, and the distance between the front wheel assembly 40 and the rear wheel assembly 50 is gradually reduced; when the integral structure formed by the upper support rod 32, the lower support rod 31 and the lower connecting rod 13 rotates downwards, the seat plate 15 is driven by the second sliding part 16 to rotate downwards relative to the rear bracket 12 to be close to the rear bracket 12, the folding process is as shown in fig. 5 and 6 until all the parts forming the frame of the cart are close to each other, and finally the folding process is as shown in fig. 7 and 8. In the final folded state, the rear supporting rods 121 on the left side and the right side are respectively accommodated between the push rod supporting rods 211 on the left side and the right side, the seat plate 15 is accommodated between the upper push rod 22 and the lower push rod 21, the whole stroller is flat, compact in structure and small in size, and can stand on the ground, so that the stroller is convenient to store, carry and use in daily life.

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

Claims

1. The utility model provides a children's shallow, has expansion and fold condition, children's shallow includes the shallow frame, sets up the anterior front wheel subassembly in the end of shallow frame is in with the setting the rear wheel subassembly at the end rear portion of shallow frame, its characterized in that: the cart frame comprises a bottom bracket component, a push rod component which can be rotatably arranged on the bottom bracket component and a support rod component which is connected between the bottom bracket component and the push rod component, the support rod component comprises a lower support rod and an upper support rod which can be arranged above the lower support rod in a sliding way along the length extension direction of the lower support rod, the upper support rod and the lower support rod can relatively slide to extend or shorten the support rod component, the upper part of the upper support rod is rotatably connected with the push rod component, the lower part of the lower support rod is rotatably connected with the bottom bracket component, the push rod component has a forward use state and a reverse use state, when the push rod component is in the forward use state, the push rod component is inclined upwards from front to back and extends, the support rod component is shortened, when the push rod component is in the reverse use state, the push rod assembly extends upwards and upwards from back to front, and the support rod assembly extends.

2. The stroller of claim 1, wherein: the push rod assembly comprises a lower push rod and an upper push rod, the lower part of the upper push rod is rotatably connected with the upper part of the lower push rod, the upper part of the upper support rod is rotatably connected with the lower part of the upper push rod, the bottom support assembly comprises a front support for mounting the front wheel assembly, a rear support for mounting the rear wheel assembly, a lower connecting rod and a connecting rod assembly positioned between the front support and the rear support, 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 rotatably connected, the third component is rotatably connected with any one of the two components, or the three components are rotatably connected with the same shaft, the connecting rod assembly is rotatably connected with the front support, or the connecting rod assembly is rotatably connected with the front support and the rear support at the same time, and the two end parts of the lower connecting rod are respectively rotatably connected with the connecting rod assembly and the lower part of the lower support rod, the lower connecting rod is rotatably connected with the rear bracket.

3. The stroller of claim 2, wherein: the connecting rod assembly comprises a first front connecting rod, a rear connecting rod and a first sliding piece, one end of the first front connecting rod is rotatably connected with the front support, the other end of the first front connecting rod is rotatably connected with one end of the rear connecting rod, the other end of the rear connecting rod is rotatably connected with the rear support, the first sliding piece can be arranged on the rear connecting rod in a sliding mode along the length extension direction of the rear connecting rod, and the two ends of the lower connecting rod are respectively rotatably connected with the first sliding piece and the lower portion of the lower supporting rod.

4. The stroller of claim 2, wherein: the connecting rod assembly comprises a second front connecting rod, one end of the second front connecting rod is rotatably connected with the front bracket, and two ends of the lower connecting rod are respectively rotatably connected with the other end of the second front connecting rod and the lower part of the lower support rod.

5. The stroller of claim 2, wherein: the bottom bracket component also comprises a seat plate and a second sliding part which can be arranged on the seat plate in a sliding manner along the front-back direction, the front part of the seat plate is rotatably connected with the upper part of the rear bracket, and the rear part of the second sliding part is rotatably connected with the lower connecting rod.

6. The stroller of claim 5, wherein: the upper part of the front bracket, the upper part of the rear bracket, the lower part of the lower push rod and the front part of the seat plate are in the same shaft rotating connection, and the lower part of the lower support rod, the lower connecting rod and the rear part of the second sliding piece are in the same shaft rotating connection.

7. The stroller of claim 6, wherein: the lower push rod is including the push rod branch that is located the left and right sides and connecting the left and right sides push rod horizontal pole between the push rod branch, the fore-stock with the after-poppet sets up respectively the left and right sides of children's shallow, every side the fore-stock with the upper portion of after-poppet all overlaps and establishes on the push rod horizontal pole and can wind the push rod horizontal pole sets up with rotating, the bottom cover of bedplate is established on the push rod horizontal pole and can wind the push rod horizontal pole sets up with rotating.

8. The stroller of claim 2, wherein: when the push rod assembly is in a forward use state, the upper support rod, the lower support rod and the lower connecting rod extend along the same linear direction.

9. The stroller of claim 2, wherein: when the children's shallow is in the expansion state during push rod subassembly switching-over, the bottom bracket component is in the locking state, the push up rod with relative position between the push down rod is fixed, the push down rod can be relative the fore-stock with the after-poppet rotates, the lower bracing piece can be relative the lower connecting rod rotates.

10. The stroller of claim 2, wherein: when the push rod assembly is in a forward using state, the stroller can be folded, and when the stroller is folded, the upper supporting rod, the lower supporting rod and the lower connecting rod are fixed in relative positions.