CN114104071A

CN114104071A - Double children's shallow

Info

Publication number: CN114104071A
Application number: CN202111445195.7A
Authority: CN
Inventors: 战华锋
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-03-01
Anticipated expiration: 2041-11-30
Also published as: CN114104071B

Abstract

The invention discloses a double-person stroller, which comprises a stroller frame in an unfolded and folded state and a first locking mechanism for locking the stroller frame in the unfolded state, wherein the stroller frame comprises a front support, a front connecting rod, a rear connecting rod, a first connecting rod, a second connecting rod and a push rod assembly, a front wheel assembly is arranged at the lower part of the front support, a rear wheel assembly is arranged at the rear part of the rear connecting rod, the front part of the front connecting rod is rotatably connected with the front support, the rear part of the front connecting rod is rotatably connected with the front part of the rear connecting rod, two end parts of the first connecting rod are respectively rotatably connected with the lower part of the front support and the front part of the rear connecting rod, two end parts of the second connecting rod are respectively rotatably connected with the rear part of the front connecting rod and the lower part of the push rod assembly, the lower part of the push rod assembly is rotatably connected with the rear connecting rod, and the double-person stroller further comprises a front seat mechanism arranged on the front support and a rear seat mechanism arranged on the push rod assembly. The double-person stroller is convenient to fold, compact in structure after being folded, small in size, small in occupied space size, convenient to carry and store.

Description

Double children's shallow

Technical Field

The invention relates to the technical field of children products, in particular to a double-person stroller.

Background

Along with the release of comprehensive two child policies, two children's families are more and more, for the convenience carries two children simultaneously and goes out simultaneously, and the use of double children's shallow is more and more common.

Because the double stroller has a relatively large structural size, the double stroller also needs to be foldable to facilitate carrying and storage of the double stroller. In the prior art, most double-child strollers can be folded, but are limited by the structure of the double-child strollers, the folded structure is still large in size, the occupied space is also large, and the double-child strollers are still inconvenient to carry and store.

Disclosure of Invention

The invention aims to provide a double stroller aiming at the defects in the prior art, which is convenient to fold and operate and small in folded structure volume.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a double children's shallow, including have the shallow frame of expansion and fold condition with be used for with shallow frame locking is at the first locking mechanism under the expansion state, the shallow frame includes fore-stock, preceding connecting rod, back connecting rod, first connecting rod, second connecting rod and push rod subassembly, the lower part of fore-stock is provided with the front wheel subassembly, the rear portion of back connecting rod is provided with the back wheel subassembly, the front portion of preceding connecting rod with the fore-stock rotates to be connected, the rear portion of preceding connecting rod with the front portion of back connecting rod rotates to be connected, the both ends of first connecting rod respectively with the lower part of fore-stock with the front portion of back connecting rod rotates to be connected, the both ends of second connecting rod respectively with the rear portion of preceding connecting rod with the lower part of push rod subassembly rotates to be connected, the lower part of push rod subassembly with the back connecting rod rotates to be connected, double children's shallow still including setting up preceding seat mechanism on the fore-stock and setting up back seat mechanism on the push rod subassembly A seating mechanism.

Preferably, the front seat mechanism comprises a front seat pocket, the double stroller further comprises a seat pocket insertion opening for installing the front seat pocket, and the seat pocket insertion opening is arranged on the front support.

Further, the cart frame further comprises an upper connecting rod, the upper portion of the front support is rotatably connected with the front portion of the seat pocket insertion opening, the upper end portion of the upper connecting rod is rotatably connected with the rear portion of the seat pocket insertion opening, and the lower end portion of the upper connecting rod is rotatably connected with the front connecting rod.

Further, when the double stroller is in the unfolded state, the rotating connection position of the front bracket and the front connecting rod, the rotating connection position of the upper connecting rod and the front connecting rod, the rotating connection position of the front connecting rod and the rear connecting rod, and the rotating connection position of the front connecting rod and the second connecting rod are sequentially arranged on the front connecting rod from front to back.

Preferably, when the double stroller is in the unfolded state, the rotating connection between the front link and the rear link, the rotating connection between the first link and the rear link, and the rotating connection between the push rod assembly and the rear link are sequentially arranged from front to back on the rear link.

Preferably, when the double stroller is in the unfolded state, the front link, the rotational connection between the front bracket and the front link, the rotational connection between the front link and the rear link, and the rotational connection between the front link and the second link are sequentially arranged from front to back.

Preferably, the rear seat mechanism includes a rear seat plate disposed on the push rod assembly.

Further, the rear seat board can be rotatably arranged on the push rod assembly, and when the double-person stroller is folded, the rear seat board is opposite to the push rod assembly, rotates and is close to the stroller frame.

Preferably, the double stroller further comprises a foot pedal arranged below the rear seat plate, the second connecting rods are respectively arranged at the left side and the right side of the double stroller, and the left end and the right end of the foot pedal are respectively and fixedly arranged on the second connecting rod corresponding to one side.

Preferably, the push rod assembly comprises an upper push rod and a lower push rod, the lower portion of the upper push rod is rotatably connected with the upper portion of the lower push rod, the second connecting rod and the rear connecting rod are rotatably connected with the lower portion of the lower push rod, the rotating connection position of the second connecting rod and the lower push rod is located above the rotating connection position of the rear connecting rod and the lower push rod, the rear seat mechanism is arranged on the lower push rod, and/or the double-child stroller further comprises a second locking mechanism arranged between the lower portion of the upper push rod and the upper portion of the lower push rod, and when the second locking mechanism is unlocked, the upper push rod is turned downwards and the lower push rod is close to drive the first locking mechanism to unlock.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: when the double-child stroller is folded, the push rod assembly rotates to be close to the rear connecting rod, the second connecting rod rotates relative to the push rod assembly, the rotating connection position of the front connecting rod and the rear connecting rod moves upwards, meanwhile, the front connecting rod and the rear connecting rod rotate to be close to each other and are close to the front support, and the distance between the front wheel assembly and the rear wheel assembly is gradually reduced. The double-person stroller is convenient to fold, compact in structure after being folded, small in size, small in occupied space size, convenient to carry and store.

Drawings

Fig. 1 is a perspective view of the double stroller of this embodiment in an unfolded state;

fig. 2 is a schematic side view of the stroller in the unfolded state according to the present embodiment;

fig. 3 is a schematic perspective view of the double stroller of this embodiment during folding (the second locking mechanism is unlocked, and the first locking mechanism is unlocked when the upper push rod is turned downward and the lower push rod is closed);

fig. 4 is a schematic perspective view of the double stroller of this embodiment during folding (the first locking mechanism and the second locking mechanism are both unlocked, and the respective rods that form the stroller frame rotate with each other);

fig. 5 is a perspective view of the stroller of this embodiment in a folded state.

Wherein: 11. a front bracket; 111. a front support rod; 112. a front wheel joint; 113. a connecting member; 12. a front link; 13. a rear connecting rod; 14. a first link; 15. a second link; 16. a push rod assembly; 161. a push rod is arranged; 162. a lower push rod; 17. an upper connecting rod; 2. a front wheel assembly; 3. a rear wheel assembly; 41. a first shaft; 42. a second shaft; 43. a third axis; 44. a fourth axis; 45. a fifth shaft; 46. a sixth axis; 47. a seventh axis; 48. an eighth axis; 5. a seat pocket insertion opening; 6. a rear seat mechanism; 7. a step plate; 8. a locking member.

Detailed Description

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

As shown in fig. 1 to 5, the double stroller of the present invention includes a stroller frame having an unfolded and folded state, a front wheel assembly 2 disposed at a bottom front portion of the stroller frame, and a rear wheel assembly 3 disposed at a bottom rear portion of the stroller frame.

The stroller frame includes a front bracket 11, a front link 12, a rear link 13, a first link 14, a second link 15, and a push rod assembly 16.

The front wheel assembly 2 is disposed at a lower portion of the front bracket 11, and the rear wheel assembly 3 is disposed at a rear portion of the rear link 13. When the double stroller is in the unfolded state, the front link 12, the rear link 13, the first link 14, and the second link 15 all extend in the front-rear direction. The front bracket 11 and the push rod assembly 16 both extend in the up-down direction.

The front portion of the front link 12 is rotatably connected to the front carrier 11 by a first shaft 41, and the rear portion of the front link 11 is rotatably connected to the front portion of the rear link 13 by a second shaft 42.

The front end of the first link 14 is rotatably connected to the lower portion of the front bracket 11 via a third shaft 43, and the rear end of the first link 14 is rotatably connected to the front portion of the rear link 13 via a fourth shaft 44.

The front end of the second link 15 is rotatably connected to the rear portion of the front link 12 via a fifth shaft 45, and the rear end of the second link 15 is rotatably connected to the lower portion of the push rod assembly 16 via a sixth shaft 46.

The lower portion of the push rod assembly 16 is rotatably connected to the rear link 13 via a seventh shaft 47.

Thus, a four-bar linkage is formed between the front bracket 11, the front link 12, the rear link 13, and the first link 14, and a four-bar linkage is also formed between the rear link 13, the front link 12, the second link 15, and the push rod assembly 16.

The front bracket 11 includes front rods 111 respectively disposed at left and right sides and a front wheel joint 112 fixedly disposed at a lower portion of the front rod 111, a connecting member 113 extending rearward is fixedly disposed on the front wheel joint 112, a front portion of the front link 12 is rotatably connected to the front rods 111 through a first shaft 41, and a front end portion of the first link 14 is rotatably connected to the connecting member 113 through a third shaft 43.

The front link 12, the rear link 13, the first link 14 and the second link 15 are respectively provided on the left and right sides of the stroller frame.

The push rod assembly 16 includes an upper push rod 161 and a lower push rod 162, and a lower portion of the upper push rod 161 is rotatably connected to an upper portion of the lower push rod 162. In this embodiment, the upper push rod 161 has a U-shaped structure with its opening facing downward, the lower push rods 162 are respectively disposed on the left and right sides of the stroller frame, and both ends of the opening of the upper push rod 161 are respectively rotatably connected to the upper portions of the lower push rods 162 on the corresponding sides. The rear end portion of the second link 15 is rotatably connected to the lower portion of the lower push rod 162 via a sixth shaft 46, and the lower portion of the lower push rod 162 is rotatably connected to the rear link 13 via a seventh shaft 47.

The double stroller further comprises a front seat mechanism arranged on the front frame 11 and a rear seat mechanism 6 arranged on the push rod assembly 16.

The front seat mechanism adopts a front seat pocket, the double-person stroller further comprises a seat pocket socket 5, the seat pocket socket 5 is arranged on the front support 11, and the front seat pocket is connected with the seat pocket socket 5. So that the front seat pocket can be mounted to the front bracket 11. In this embodiment, the seat pocket insertion opening 5 is provided between the front support bars 111 on the left and right sides.

Preferably, the seat pocket insertion opening 5 is rotatably connected with the front support 11, so that when the double-person stroller is folded, the seat pocket insertion opening 5 can rotate relative to the front support 11, and the seat pocket insertion opening 5 is close to the stroller frame.

The stroller frame further comprises upper connecting rods 17, and the upper connecting rods 17 are respectively arranged on the left side and the right side of the seat pocket insertion openings 5. In each of the left and right sides, the upper portion of the front link 111 is rotatably connected to the front portion of the seat pocket insertion opening 5, the upper end portion of the upper link 17 is rotatably connected to the rear portion of the seat pocket insertion opening 5, and the lower end portion of the upper link 17 is rotatably connected to the front link 12 through the eighth shaft 48.

Thus, a four-bar linkage is formed among the front link 111, the seat pocket insertion opening 5, the upper link 17, and the front link 12 in each of the left and right sides. When the double children's shallow is folding, during fore-stock 11 and preceding connecting rod 12 rotate relatively, can drive seat pocket socket 5 through this four-bar linkage and rotate in step to when the double children's shallow is folding, need not the independent operation and make seat pocket socket 5 rotate 11 relative fore-stocks, make the folding operation of double children's shallow more convenient. In addition, a locking mechanism is not required to be independently arranged to lock the position of the seat pocket inserting opening 5, so that the double-person stroller is simple in structure.

The rear seat mechanism 6 employs a rear seat plate, which is provided on the lower push rod 162.

Preferably, the rear seat plate is rotatably connected to the lower push rod 162, so that when the stroller is folded, the rear seat plate can be rotated relative to the lower push rod 162, and the rear seat plate is moved closer to the stroller frame.

A fixing structure is further arranged between the rear seat plate and the lower push rod 162, and when the double-person stroller is unfolded for use, the rear seat plate can be fixed on the lower push rod 162 through the fixing structure.

The double children's barrow also comprises a foot pedal 7, the foot pedal 7 is arranged below the rear seat board 6 so as to be pedaled by the feet of the children when the children take on the rear seat board 6. In this embodiment, the left and right ends of the foot board 7 are respectively fixed to the second links 15 on the corresponding side.

The double-person children stroller also comprises a first locking mechanism for locking the stroller frame in the unfolding state, and the first locking mechanism can be arranged between two parts which are connected in an optional rotating mode in the three four-bar linkage mechanisms. The first locking mechanism has a locked and unlocked state. When the first locking mechanism is in a locking state, the relative positions of all the rod pieces forming the frame of the cart are fixed. When the first locking mechanism is in an unlocking state, the cart frame can be folded, namely, all the rod pieces forming the cart frame can rotate relatively and get close to each other.

The double stroller further includes a second locking mechanism provided between a lower portion of the upper push bar 161 and an upper portion of the lower push bar 162 to lock the relative positions of the upper push bar 161 and the lower push bar 162. The second locking mechanism has a locked state and an unlocked state, and when the second locking mechanism is in the locked state, the relative positions of the upper push rod 161 and the lower push rod 162 are fixed. When the second lock mechanism is in the unlocked state, the upper push rod 161 can rotate relative to the lower push rod 162 to be close to the lower push rod 162.

In the present embodiment, it is preferable that the first locking mechanism is provided between the front link 12 and the rear link 13. A link mechanism is provided between the first locking mechanism and the upper push rod 161. When the second locking mechanism is unlocked, the upper push rod 161 is turned downwards to be close to the lower push rod 162, and the first locking mechanism can be driven to be unlocked through the linkage mechanism. Like this, when double children's shallow is folding, as long as the operation makes the unblock of second locking mechanical system, makes push-up rod 161 rotate relatively push-down rod 162 and can make the unblock of first locking mechanical system, and the unblock back of first locking mechanical system, the shallow frame can be folded, need not the independent operation and makes the unblock of first locking mechanical system for double children's shallow's folding convenient operation.

The first locking mechanism, the second locking mechanism and the specific structure for driving the second locking mechanism to unlock can adopt the structures in the prior art.

The linkage mechanism may also be of a known construction, for example, the first locking mechanism comprises a locking member 8 movably arranged on the front link 12 or the rear link 13, and the linkage mechanism comprises a traction cable arranged between the upper push rod 161 and the locking member 8. When the upper push rod 161 is turned downward and the lower push rod 162 is closed, the locking member 8 may be pulled by the traction cable to move relative to the front link 12 or the rear link 13, thereby unlocking the first locking mechanism.

Of course, the first locking mechanism and the second locking mechanism can also be unlocked by independent operation of each.

When the double stroller is in the unfolded state, the front bracket 11, the push rod assembly 16 and the upper link 17 are all obliquely extended upwards from front to back, and the front bracket 11, the push rod assembly 16 and the upper link 17 are in an approximately parallel state. The front link 12 and the rear link 13 each extend obliquely downward from front to rear, and the front link 12 and the rear link 13 extend approximately in the same linear direction. The first link 14 and the second link 15 each extend obliquely upward from front to rear, and the first link 14 and the second link 15 extend approximately in the same linear direction. On the front link 12, a first shaft 41, an eighth shaft 48, a second shaft 42, and a fifth shaft 45 are arranged in this order from front to rear. On the rear link 13, a second shaft 42, a fourth shaft 44, and a seventh shaft 47 are arranged in this order from front to rear. The front seat pocket is arranged on the socket 5 of the seat pocket, and the front seat pocket can be used for a small child to sit. The rear seat board is fixed on the lower push rod 162 through a fixing structure, the rear seat board can be used for a large child to sit, and when the child sits on the rear seat board, feet of the child can step on the pedal 7. As shown in fig. 1 and 2.

When the double-person stroller is folded from the unfolded state, the front seat pocket can be detached from the stroller frame and then folded, and the double-person stroller can also be provided with the front seat pocket to be folded. When the folding stroller frame with the front seat pocket is folded, the front seat pocket is folded first, and the stroller frame is folded after the front seat pocket is folded.

The folding process of the cart frame is as follows: the second locking mechanism is unlocked, and after the second locking mechanism is unlocked, the upper push rod 161 is pressed downward, so that the upper push rod 161 is turned backward and downward to be close to the lower push rod 162. During the turning of the upper push rod 161, the first locking mechanism is unlocked by the linkage mechanism, as shown in fig. 3. After the first locking mechanism is unlocked, the push rod assembly 16 rotates to be close to the rear connecting rod 13, the second connecting rod 15 rotates relative to the push rod assembly 16, the rotating connection part of the front connecting rod 12 and the rear connecting rod 13 moves upwards, meanwhile, the front connecting rod 12 and the rear connecting rod 13 rotate to be close to each other and are close to the front support 11, the distance between the front wheel assembly 2 and the rear wheel assembly 3 is gradually reduced, the folding process is shown in fig. 4 until all the rods forming the frame of the stroller are close to each other, and finally the stroller is folded as shown in fig. 5. The folded double-person stroller has the advantages of compact structure, small volume, small occupied space size and convenient carrying and storage. Moreover, the folded double-child stroller can stand on the ground and is convenient to store.

The above embodiments are merely illustrative of the technical ideas 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 implement the present invention, and not to 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 within the protection scope of the present invention.

Claims

1. A two-person stroller, comprising a stroller frame with unfolded and folded states and a first locking mechanism for locking the stroller frame in the unfolded state, wherein the stroller The frame includes a front bracket, a front link, a rear link, a first link, a second link and a push rod assembly, the lower part of the front bracket is provided with a front wheel assembly, and the rear part of the rear link is provided with a rear Wheel assembly, the front part of the front link is rotatably connected with the front bracket, the rear part of the front link is rotatably connected with the front part of the rear link, and the two ends of the first link are respectively It is rotatably connected with the lower part of the front bracket and the front part of the rear link, and the two ends of the second link are respectively rotatably connected with the rear part of the front link and the lower part of the push rod assembly, The lower part of the push rod assembly is rotatably connected with the rear link, and the double stroller further includes a front seat mechanism provided on the front bracket and a rear seat mechanism provided on the push rod assembly.

2 . The double stroller of claim 1 , wherein the front seat mechanism includes a front seat pocket, the double stroller further includes a seat pocket for installing the front seat pocket, and the seat A pocket socket is provided on the front bracket.

3 . The double stroller according to claim 2 , wherein the stroller frame further comprises an upper link, the upper part of the front bracket is rotatably connected with the front part of the seat pocket, and the The upper end of the upper link is rotatably connected with the rear of the seat pocket socket, and the lower end of the upper link is rotatably connected with the front link.

4 . The double stroller according to claim 3 , wherein when the double stroller is in the unfolded state, on the front link, the front bracket and the front link rotate. 5 . The connection, the rotational connection between the upper link and the front link, the rotational connection between the front link and the rear link, and the rotational connection between the front link and the second link are set in order from front to back.

5 . The double stroller according to claim 1 , wherein when the double stroller is in a deployed state, on the rear link, the front link and the rear link The rotational connection, the rotational connection between the first link and the rear link, and the rotational connection between the push rod assembly and the rear link are sequentially arranged from front to rear.

6 . The double stroller according to claim 1 , wherein when the double stroller is in an unfolded state, on the front link, the front bracket and the front link rotate. 7 . The connection, the rotational connection between the front link and the rear link, and the rotational connection between the front link and the second link are sequentially arranged from front to rear.

7 . The double stroller of claim 1 , wherein the rear seat mechanism includes a rear seat panel disposed on the push rod assembly. 8 .

8 . The double stroller according to claim 7 , wherein the rear seat panel is rotatably disposed on the push rod assembly, and when the double stroller is folded, the rear seat plate Rotate relative to the push rod assembly to approach the cart frame.

9 . The double stroller according to claim 1 , wherein the double stroller further comprises a footboard arranged under the rear seat plate, and the second connecting rods are respectively arranged on the double stroller. 10 . On the left and right sides of the stroller, the left and right ends of the footboard are respectively fixed on the second connecting rod on the corresponding side.

10 . The double stroller according to claim 1 , wherein the push rod assembly comprises an upper push rod and a lower push rod, and the lower part of the upper push rod is rotatably connected with the upper part of the lower push rod, 10 . Both the second link and the rear link are rotatably connected with the lower part of the lower push rod, and the rotational connection between the second link and the lower push rod is located between the rear link and the lower push rod. Above the rotational connection of the lower push rod, the rear seat mechanism is provided on the lower push rod, and/or the double stroller further includes a lower portion of the upper push rod and the lower push rod When the second locking mechanism is unlocked, the upper push rod is flipped downward and the lower push rod is moved closer to the second locking mechanism to unlock the first locking mechanism.