CN213831843U

CN213831843U - Children's barrow

Info

Publication number: CN213831843U
Application number: CN202021720535.3U
Authority: CN
Inventors: 马福生
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-05-10
Filing date: 2020-08-18
Publication date: 2021-07-30
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a children's shallow, its shallow frame includes two sets of collateral branch framves to and connect the link between the collateral branch frame of both sides, the collateral branch frame includes fore-stock, after-poppet and push rod frame, the link is including setting up preceding support frame between the aforesaid fore-stock lower part of both sides, setting up the back support frame between the after-poppet lower part of both sides, preceding support frame includes two preceding vaulting poles that one end rotation connects, the other end of preceding vaulting pole is connected with rotating on the fore-stock, the back support frame includes that one end rotates two back vaulting poles of connecting, the other end of back vaulting pole is connected with rotating on the after-poppet. When the foldable stroller is folded, the stroller frame is folded up in the up-down front-back direction and is simultaneously linked with the transverse folding of the stroller frame in the left-right direction, the foldable stroller is simpler and more convenient to operate, the size after being folded is still flat and compact, and convenience is brought to users.

Description

Children's barrow

Technical Field

The utility model relates to a children's shallow.

Background

The children's shallow has become one of the indispensable travel tools of child's family, and at present, because children's shallow's volume is great mostly, has brought the inconvenience for daily carrying and transportation.

Chinese patent CN103507846B discloses a stroller, wherein the left side frame and the right side frame of the stroller frame are respectively folded to reduce the size of the front and rear direction and the up and down direction, and then the left side frame and the right side frame can be respectively rotated and closed relative to the middle connecting frame, so that the size of the left and right direction can be reduced, and the folded stroller frame has a minimum size. However, the cart needs to be completely folded in two steps during folding, and the operation is still inconvenient.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art and providing a child cart with a novel structure.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a children's cart comprises a cart frame, a front wheel assembly, a rear wheel assembly and a locking mechanism, wherein the cart frame is provided with an unfolding state and a folding state, the locking mechanism is used for locking the cart frame in the unfolding state, the cart frame comprises two groups of side brackets which are respectively arranged at the left side and the right side, and connecting brackets which are connected between the side brackets at the two sides, each side bracket comprises a front bracket, a rear bracket and a push rod bracket, the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod bracket are rotationally connected, and the third part is rotationally connected with one of the front bracket, the rear bracket and the lower part of the push rod bracket, or the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod bracket are rotationally connected together,

the connecting frame comprises a front support frame arranged between the lower parts of the front support frames on two sides and a rear support frame arranged between the lower parts of the rear support frames on two sides, the front support frame comprises two front support rods with one ends rotatably connected with each other, the other ends of the front support rods are rotatably connected on the front support frame, a front sliding part is arranged on the front support frame in a sliding manner along the up-down direction, the front support rods can be connected on the front sliding part in a relatively rotating manner and a relatively sliding manner, the rear support frame comprises two rear support rods with one ends rotatably connected, the other ends of the rear support rods are rotatably connected on the rear support frame, a rear sliding part is arranged on the rear support frame in a sliding manner along the up-down direction, and the rear support rods can be connected on the rear sliding part in a relatively rotating manner and a relatively sliding manner,

the stroller frame is provided with a driving assembly for pushing the front sliding part and the rear sliding part to slide up and down, and when the stroller frame is folded, the driving assembly drives the front sliding part and the rear sliding part to slide respectively so as to enable the front support frame and the rear support frame to be folded transversely respectively.

Preferably, when the stroller frame is folded, the driving assembly drives the front sliding member to slide upwards along the front support and drives the rear sliding member to slide upwards along the rear support, so that the front support and the rear support are respectively folded transversely.

Preferably, the driving assembly includes a front pull rod, one end of the front pull rod is rotatably connected to the front sliding member, the other end of the front pull rod is rotatably connected to the upper portion of the rear bracket, when the stroller frame is folded, the front bracket and the rear bracket are relatively rotated and folded, the front pull rod pulls the front sliding member to move upward, and the two front support rods are driven to rotate relatively to fold the front support frame in the transverse direction.

Preferably, the push rod frame includes push rod, lower part and the last push rod of the upper portion rotation connection of push rod down, the lower part of push rod down with the fore-stock or the after-poppet rotates the connection, every side the side support still includes end connecting rod and back connecting rod, the front portion of end connecting rod is connected with rotating on the fore-stock, the back connecting rod is connected with rotating on the after-poppet, the front portion of back connecting rod with the rear portion of end connecting rod is connected with rotating, the upper portion of back connecting rod with the lower part of last push rod is connected with rotating.

Further, the driving assembly comprises a rear pull rod, one end of the rear pull rod is rotatably connected to the rear sliding part, the other end of the rear pull rod is rotatably connected to the rear connecting rod, when the stroller frame is folded, the rear connecting rod is rotatably folded relative to the rear support, the rear pull rod pulls the rear sliding part to move upwards, and the two rear support rods are driven to rotate relatively to enable the rear support frame to be folded transversely.

Furthermore, the rear connecting rod is fixedly connected with a connecting rod head, the rear pull rod is connected with the rear connecting rod through being rotationally connected to the end part of the connecting rod head, and when the stroller frame is in an unfolded state, the connecting rod head and the rear pull rod extend along the same length direction and are positioned on the inner side of the rear support.

Furthermore, the side support of each side still includes the seat pole, the rear portion of seat pole is connected with the back connecting rod with rotating, the front portion of seat pole is connected with a seat slider with sliding, the seat slider is connected with on the push down pole with rotating, the link also includes the seat strut that sets up in both sides between the seat pole rear portion, the seat strut includes that one end rotates the seat vaulting pole of connecting relatively, the other end of seat vaulting pole is connected with rotating the rear portion of seat pole, still be connected with the seat pull rod with rotating between the seat slider, when the shallow frame is folded, the seat pole rotates to draw in relatively push down pole and back connecting rod, the seat pull rod drives two the seat vaulting pole and rotates and make the seat strut fold up along the horizontal.

Furthermore, the seat stay bar is provided with a through hole penetrating in the front-rear direction, and the rear part of the seat pull bar is inserted into the through hole in a left-right swinging manner and is rotatably connected with the seat stay bar.

Furthermore, the cart frame further comprises a backrest frame capable of being folded along the left and right directions, the backrest frame comprises two backrest rods which are respectively arranged on the left and right sides and extend along the up and down directions, and a backrest connecting rod assembly connected between the backrest rods on the two sides, the lower parts of the backrest rods are rotatably connected to the seat sliding part, when the cart frame is folded, the seat sliding part slides relative to the seat rods, the backrest rods are opposite to the seat rods and rotate to be folded, and the backrest rods on the two sides rotate to be folded.

Further, the backrest connecting rod assembly comprises two first connecting rods which are intersected with each other and are rotatably connected at the intersection, the upper parts of the first connecting rods are rotatably connected with second connecting rods, the other ends of the second connecting rods are rotatably connected to the backrest rods on one side, and the lower parts of the first connecting rods are rotatably connected to the backrest rods on the other side.

Preferably, the link is still including setting up in both sides go up the strut between the push rod frame, go up the strut include one end respectively with correspond the side push rod frame rotates two sets of last vaulting poles of connecting, connects two sets of with rotating go up the centre stay between the vaulting pole other end, when the shallow frame is folded, both sides go up the vaulting pole respectively relatively the push rod frame rotates and draws in.

Preferably, the rotating joints of the two front support rods and the rotating joints of the two rear support rods are respectively provided with a one-way limiting structure.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a children's shallow, when folding, the shallow frame links the shallow frame and transversely folds up in the left and right sides side when folding up in front and back direction about going on, and it is more simple and convenient to operate, and the size after folding still levels compactly, has brought the facility for the user.

Drawings

Fig. 1 is a perspective view of a stroller according to embodiment 1 of the present invention in an unfolded state;

fig. 2 is a side view of the stroller of embodiment 1 of the present invention in an unfolded state;

fig. 3 is a perspective view of the stroller of embodiment 1 of the present invention in a semi-folded state;

fig. 4 is a perspective view of the stroller of embodiment 1 of the present invention in a folded state;

fig. 5 is a side view of the stroller of embodiment 1 of the present invention in a folded state;

fig. 6 is a schematic view showing a connection relationship between a front bracket and a front stay in a deployed state of a stroller frame according to embodiment 1;

FIG. 7 is a schematic view showing a connection relationship between a front frame and a front stay in a folded state of a stroller frame according to embodiment 1;

fig. 8 is a perspective view of the stroller of embodiment 2 of the present invention in an expanded state;

fig. 9 is a side view of the stroller of embodiment 2 of the present invention in an expanded state;

fig. 10 is a perspective view of the stroller in embodiment 2 of the present invention in a half-folded state;

fig. 11 is a side view of the stroller of embodiment 2 of the present invention in a semi-folded state;

fig. 12 is a perspective view of the stroller according to embodiment 2 of the present invention in a folded state;

fig. 13 is a side view of the stroller of embodiment 2 of the present invention in a folded state;

wherein: 100. a side bracket; 200. a front wheel assembly; 300. a rear wheel assembly; 400. a backrest frame;

1. a front bracket; 2. a rear bracket; 3. a push rod frame; 31. a lower push rod; 32. a push rod is arranged; 4. a bottom link; 5. a rear connecting rod; 51. connecting the rod head; 6. a seat post; 7. a seat sliding member; 8. a front slider; 9. a front pull rod; 10. a front bracket; 10a, a front stay bar; 10b, a one-way limiting structure; 10c, a guide groove; 10d, a guide post; 11. a rear slider; 12. a rear support frame; 12a, a rear stay bar;

13. a rear pull rod; 14. a seat support; 14a, a seat stay; 14b, punching;

15. a seat pull rod; 16. an upper support frame; 16a, a middle stay bar; 16b, an upper stay bar;

17. a back rest rod; 18. a first link; 19. a second link.

Detailed Description

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

Example 1

Referring to fig. 1 to 7, a stroller includes a stroller frame having an unfolded state and a folded state, a front wheel assembly 200, a rear wheel assembly 300, and a locking mechanism for locking the stroller frame in the unfolded state, the stroller frame including two sets of side brackets 100 respectively disposed at left and right sides, and a connecting bracket connected between the side brackets 100.

The side support of each side includes a front support 1, a rear support 2 and a push rod support 3, two of the upper part of the front support 1, the upper part of the rear support 2 and the lower part of the push rod support 3 are rotatably connected and the third one is rotatably connected to one of the two, or the upper part of the front support 1, the upper part of the rear support 2 and the lower part of the push rod support 3 are rotatably connected together. In this embodiment, push rod frame 3 includes a lower push rod 31 and an upper push rod 32, and a lower portion of upper push rod 32 is rotatably connected to an upper portion of lower push rod 31, and lower push rod 31 is connected to front frame 1 or rear frame 2. Here, the upper portion of the front bracket 1 is rotatably connected with the upper portion of the rear bracket 2, and the lower portion of the push-down lever 31 is rotatably connected with the upper portion of the rear bracket 2 around the other rotational axis.

The side bracket of each side further comprises a bottom link 4 and a rear link 5, wherein the front part of the bottom link 4 is rotatably connected to the front bracket 1, the rear link 5 is rotatably connected to the rear bracket 2, the front part of the rear link 5 is rotatably connected to the rear part of the bottom link 4, and the upper part of the rear link 5 is rotatably connected to the lower part of the upper push rod 32.

The connecting frame comprises front supporting frames 10 arranged between the lower parts of the front supports 1 on the two sides and a rear supporting frame 12 arranged between the lower parts of the rear supports 2 on the two sides, each front supporting frame 10 comprises two front supporting rods 10a with one ends rotatably connected with each other, the other ends of the front supporting rods 10a are rotatably connected to the front supports 1 on the corresponding sides, and one-way limiting structures 10b used for limiting the relative rotation direction of the two front supporting rods 10a are arranged at the mutual rotating connection positions of the two front supporting rods 10 a. A front slider 8 is provided on the front bracket 1 to slide in the vertical direction, and a front stay 10a is connected to the front slider 8 to be rotatable and slidable relative to each other.

Specifically, as shown in fig. 6 and 7, a guide groove 10c extending along the length direction of the front support is formed in an end portion of the front support rod 10a close to the front support 1, the front sliding member 8 is specifically a sliding sleeve sleeved on the front support 1, a guide post 10d is disposed on the front sliding member 8, and the guide post 10d is fittingly inserted into the guide groove 10c, so that the front sliding member 8 and the front support frame 10a can rotate and slide relatively.

The rear support frame 12 comprises two rear support rods 12a with one ends rotatably connected with each other, the other ends of the rear support rods 12a are rotatably connected to the rear support 2 on the corresponding side, and the mutually rotatable connection of the two rear support rods 12a is also provided with a one-way limiting structure (not shown in the figure) for limiting the relative rotation direction of the two rear support rods. A rear slider 11 is provided on the rear bracket 2 so as to slide in the vertical direction, and a rear stay 12a is connected to the rear slider 11 so as to be relatively rotatable and relatively slidable.

The cart frame is provided with a driving assembly for pushing the front sliding part 8 and the rear sliding part 11 to respectively slide up and down, and when the cart frame is folded, the driving assembly drives the front sliding part 8 and the rear sliding part 11 to respectively slide so as to respectively fold the front support frame 10 and the rear support frame 12 along the transverse direction. In this embodiment, when the stroller frame is folded, the driving assembly drives the front sliding member 8 to slide upward along the front frame 1 and drives the rear sliding member 11 to slide upward along the rear frame 2, so that the front frame 10 and the rear frame 12 are respectively folded in the transverse direction.

Specifically, in the present embodiment, referring to fig. 1 to 5, the driving assembly includes a front pull rod 9, one end of the front pull rod 9 is rotatably connected to the front sliding member 8, and the other end of the front pull rod 9 is rotatably connected to the upper portion of the rear bracket 2, when the stroller frame is folded, the front bracket 1 and the rear bracket 2 are relatively rotated and folded, so as to drive the front pull rod 9 to move upward, thereby driving the two front support rods 10a to rotate relatively and folding the front support frame 10 in the transverse direction.

Referring to fig. 1 to 5, the driving assembly further includes a rear link 13, one end of the rear link 13 is rotatably connected to the rear slider 11, and the other end of the rear link 13 is rotatably connected to the rear link 5 with a distance between a rotational connection position of the rear link 13 and a connection position of the rear link 5 on the rear bracket 2. Here, a connecting rod head 51 is fixed to the rear link 5, and the rear link 13 is connected to the rear link 5 by being rotatably connected to the connecting rod head 51. When the stroller frame is in the unfolded state, the connection rod head 51 and the rear pull rod 13 extend in the same longitudinal direction and are located inside the rear bracket 2. When the stroller frame is folded, the rear connecting rod 5 rotates and folds relative to the rear support 2, drives the rear pull rod 13 to pull the rear sliding part 11 to slide upwards, and further drives the two rear support rods 12a to rotate relatively to fold the rear support frame 12 transversely.

Referring to fig. 1 to 5, the side stand 100 of each side further includes a seat post 6, a rear portion of the seat post 6 is rotatably coupled to the rear link 5, and a front portion of the seat post 6 is slidably coupled with a seat sliding unit 7, and the seat sliding unit 7 is rotatably coupled to the lower push rod 31. The connecting frame further comprises a seat supporting frame 14 arranged between the rear parts of the seat rods 6 on the two sides, the seat supporting frame 14 comprises two seat supporting rods 14a with one ends relatively rotatably connected, the other ends of the seat supporting rods 14a are rotatably connected to the rear parts of the corresponding side seat rods 6, a seat pull rod 15 is further rotatably connected between the seat supporting rods 14a and the seat sliding piece 7, through holes 14a penetrating in the front-back direction are formed in the seat supporting rods 14a, and the rear parts of the seat supporting rods 14a are inserted in the through holes 14a in a left-right swinging mode and are rotatably connected with the seat supporting rods 14 a. When the stroller frame is folded, the seat rod 6 rotates and folds relative to the lower push rod 31 and the rear connecting rod 5, the seat pull rod 15 rotates relative to the seat rod 6 under the driving of the seat sliding part 7, and then the seat stay bar 14a is driven to rotate relative to the seat rod 6, so that the seat stay bar 14 is folded along the transverse direction.

The connecting frame further comprises an upper support frame 16 arranged between the push rod frames 3 on the two sides, the upper support frame 16 is specifically arranged between the upper parts of the upper push rods 32 and specifically comprises two groups of upper support rods 16b with one ends respectively rotatably connected with the upper parts of the upper push rods 32 on the corresponding sides and a middle support rod 16a rotatably connected between the other ends of the two groups of upper support rods 16b, when the frame of the cart is folded, the middle support rods 16a are pushed downwards, so that the upper support rods 16b on the two sides can respectively rotate and the upper push rods 32 on the corresponding sides are folded, and the transverse size of the upper support frame 16 is reduced. Thus, the phenomenon of clamping hands is not easy to occur during folding operation.

Example 2

Referring to fig. 8 to 13, the present embodiment is different from embodiment 1 mainly in that a backrest frame 400 is added to the stroller frame of the present embodiment, and the backrest frame 400 can be folded in the left-right direction. Specifically, the back rest frame 400 includes two back rest rods 17 respectively disposed on the left and right sides and extending in the up-down direction, and a back rest link assembly connected between the back rest rods 17 on both sides, and in this embodiment, the back rest link assembly includes two first links 18 intersecting each other and rotatably connected at an intersection, an upper portion of the first link 18 is rotatably connected to a second link 19, the other end portion of the second link 19 is rotatably connected to the back rest rod 17 on the corresponding side, and a lower portion of the first link 18 is rotatably connected to the back rest rod 17 on the other side.

The lower part of the backrest rod 17 is rotatably connected to the seat sliding part 7, when the stroller frame is folded, the seat sliding part 7 and the seat rod 6 slide relatively, the backrest rod 17 rotates and closes relative to the seat rod 6, and the backrest rods 17 on the two sides rotate and close relative to each other.

Referring to fig. 10 and 12, when the stroller frame is folded, the backrest frame 400 slides relative to the seat post 6 along with the seat sliding member 7 and rotates relative to the seat post 6 to be folded, so that the backrest frame 400 is folded together with the seat and is further closely folded together with the rods of the stroller frame. After the arrangement, the length of the backrest frame 400 can be longer without interrupting the process, namely, a hard backrest structure is formed, so that more stable and reliable support can be provided, and the folding size of the frame of the cart is not influenced.

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, is including having shallow frame, front wheel subassembly, the rear wheel subassembly of expansion state and fold condition, and be used for with the locking mechanical system at the expansion state of shallow frame lock, the shallow frame is including dividing two sets of collateral branch framves of locating the left and right sides to and connect in both sides link between the collateral branch frame, its characterized in that: the side support comprises a front support, a rear support and a push rod support, wherein two of the upper part of the front support, the upper part of the rear support and the lower part of the push rod support are rotationally connected, and the third one is rotationally connected with one of the two, or the upper part of the front support, the upper part of the rear support and the lower part of the push rod support are rotationally connected together,

2. The stroller of claim 1, wherein: when the cart frame is folded, the driving assembly drives the front sliding piece to slide upwards along the front support and drives the rear sliding piece to slide upwards along the rear support, so that the front support and the rear support are respectively folded transversely.

3. The stroller of claim 1, wherein: the driving assembly comprises a front pull rod, one end of the front pull rod is rotatably connected to a front sliding piece, the other end of the front pull rod is rotatably connected to the upper portion of the rear support, when the stroller frame is folded, the front support and the rear support are relatively rotated and folded, the front pull rod pulls the front sliding piece to move upwards, and two front support rods are driven to relatively rotate to enable the front support frame to be transversely folded.

4. The stroller of claim 1, wherein: the push rod frame 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 lower part of the lower push rod is rotatably connected with the front bracket or the rear bracket, the side bracket on each side also comprises a bottom connecting rod and a rear connecting rod,

the front portion of the bottom connecting rod is rotationally connected to the front support, the rear connecting rod is rotationally connected to the rear support, the front portion of the rear connecting rod is rotationally connected with the rear portion of the bottom connecting rod, the upper portion of the rear connecting rod is rotationally connected with the lower portion of the upper push rod, the driving assembly comprises a rear pull rod, one end of the rear pull rod is rotationally connected to the rear sliding piece, the other end of the rear pull rod is rotationally connected to the rear connecting rod, when the stroller frame is folded, the rear connecting rod rotates relative to the rear support to be folded, the rear pull rod pulls the rear sliding piece to move upwards, and the two rear supporting rods are driven to rotate relatively to enable the rear supporting frame to be folded transversely.

5. The stroller of claim 4, wherein: the cart frame is characterized in that the rear connecting rod is fixedly connected with a connecting rod head, the rear pull rod is connected to the end part of the connecting rod head in a rotating mode and is connected with the rear connecting rod, and when the cart frame is in an unfolded state, the connecting rod head and the rear pull rod extend in the same length direction and are located on the inner side of the rear support.

6. The stroller of claim 4, wherein: the side support of each side further comprises a seat rod, the rear portion of the seat rod is rotatably connected to the rear connecting rod, the front portion of the seat rod is slidably connected with a seat sliding piece, the seat sliding piece is rotatably connected to the lower push rod, the connecting frame further comprises a seat support frame arranged between the rear portions of the seat rods on two sides, the seat support frame comprises a seat support rod with one end rotatably connected relatively, the other end of the seat support rod is rotatably connected to the rear portion of the seat rod, a seat pull rod is further rotatably connected between the seat support rod and the seat sliding piece, when the stroller frame is folded, the seat rod is rotatably folded relative to the lower push rod and the rear connecting rod, and the seat pull rod drives the two seat support rods to rotate so that the seat support frame is transversely folded.

7. The stroller of claim 6, wherein: the stroller frame further comprises a backrest frame which can be folded along the left and right directions, the backrest frame comprises two backrest rods which are respectively arranged on the left and right sides and extend along the up and down directions, and a backrest connecting rod assembly connected between the backrest rods, the lower parts of the backrest rods are rotatably connected to the seat sliding part, when the stroller frame is folded, the seat sliding part slides relative to the seat rods, the backrest rods are opposite to the seat rods, and the backrest rods on the two sides rotate relative to each other to be folded.

8. The stroller of claim 7, wherein: the backrest connecting rod assembly comprises two first connecting rods which are mutually crossed and are rotatably connected at the crossed position, the upper part of each first connecting rod is rotatably connected with a second connecting rod, the other end part of each second connecting rod is rotatably connected to the backrest rod on one side, and the lower part of each first connecting rod is rotatably connected to the backrest rod on the other side.

9. The stroller of claim 1, wherein: the connecting frame further comprises upper supporting frames arranged on two sides between the push rod frames, each upper supporting frame comprises two groups of upper supporting rods, one ends of the upper supporting rods are respectively connected with the corresponding sides, the push rod frames are rotatably connected with the two groups of upper supporting rods, the middle supporting rods are rotatably connected between the other ends of the upper supporting rods, when the cart frame is folded, the upper supporting rods on two sides are respectively opposite to the push rod frames, and the push rod frames are rotatably folded.

10. The stroller of claim 1, wherein: the rotary joint of the two front support rods and the rotary joint of the two rear support rods are both provided with one-way limiting structures.