CN110681164A

CN110681164A - Baby carriage

Info

Publication number: CN110681164A
Application number: CN201910724022.5A
Authority: CN
Inventors: 蔡辉; 吴成国; 李业葵
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-01-14

Abstract

The invention relates to a baby carrier which comprises a frame, a seat arranged on the frame, a wheel mechanism arranged at the bottom of the frame, a first driving mechanism for driving the seat to rotate on the frame, and a second driving mechanism for driving wheels of the wheel mechanism to move. According to the baby carriage, the seat is driven to rotate on the frame through the first driving mechanism, and along with the rotation of the seat on the frame, when a user sits on the seat, the body of the user can also rotate along with the seat, so that a visual blind area can be avoided when the baby carriage is used, the seat rotates 90 degrees relative to the frame, a feeling similar to a sitting tank is provided, and the interestingness is increased. The second driving mechanism drives the wheels of the wheel mechanism to move, the whole vehicle can move forwards, backwards or turn, the running state of the whole vehicle and the rotation of the seat on the frame are not interfered with each other, and the whole vehicle can simultaneously rotate the seat under different running states, so that the orientation of a user and the running direction of the whole vehicle can be any angle.

Description

Baby carriage

Technical Field

The invention relates to the field of children products, in particular to a baby carriage.

Background

In the prior art, a stroller is generally classified into an electric vehicle and a non-electric vehicle, while a children electric vehicle is a toy vehicle frequently used by children, and in order to increase the interest of the toy vehicle, the wheels of the toy vehicle are generally set to have a steering function so that the children can drive forwards or steer left and right when taking the toy vehicle. The children electric vehicle disclosed in chinese patent CN208585362U comprises a frame extending in a longitudinal direction in a front-rear direction and wheels mounted on the frame, wherein wheel shafts of the wheels are rotatably connected to a wheel fork and mounted on the frame through the wheel fork; the wheel fork is rotatably connected to the frame through a first pivot, and the axis of the first pivot extends along the vertical direction; the children electric vehicle has a plurality of straight line driving states, in each straight line driving state, an included angle formed between the axis line of the wheel shaft and the length direction of the frame is kept unchanged, and included angles in different straight line driving states are different; the children electric vehicle also comprises a conversion mechanism for driving the wheel to rotate around the first pivot. However, the current children electric vehicles on the market are either complex in structure or single in function. But the non-electric vehicle has more single function.

Disclosure of Invention

The invention aims to solve the technical problem of providing an improved baby carriage for overcoming the defects of the existing baby carriage.

In order to solve the technical problems, the invention adopts the following technical scheme:

the baby carrier comprises a frame, a seat and a wheel mechanism, wherein the frame extends in the front-back direction along the length direction, the seat is arranged on the frame, the wheel mechanism is arranged at the bottom of the frame, the seat is rotatably arranged relative to the frame, the baby carrier further comprises a first driving mechanism and a second driving mechanism, the first driving mechanism is used for driving the seat to rotate on the frame, and the second driving mechanism is used for driving wheels of the wheel mechanism to move.

According to some embodiments of the present invention, the first driving mechanism includes a gear assembly disposed between the frame and the seat, the gear assembly includes a first gear fixedly connected to the seat and capable of rotating around its axis and a second gear meshed with the first gear and capable of rotating around its axis, the first gear is rotatably connected to the frame through a first rotating shaft, the second gear is rotatably connected to the frame through a second rotating shaft, the second gear is driven to rotate around the second rotating shaft, the first gear is driven to rotate around the first rotating shaft, and the seat is driven to rotate around the first rotating shaft on the frame.

According to some embodiments of the invention, the first gear is fixed to the seat bottom.

According to some implementation aspects of the invention, a sliding groove is formed in the first gear along the circumferential direction of the first gear, a positioning pin is arranged on the frame corresponding to the position of the sliding groove, and the end of the positioning pin is located in the sliding groove and slides along the length direction of the sliding groove.

According to some embodiments of the present invention, the positioning pins are respectively disposed on the frame and located on two opposite sides of the first rotating shaft, 2 sliding slots are disposed on the first gear, the positioning pins are respectively located in the 2 sliding slots, when the end portions of the positioning pins on two sides slide from one end portion corresponding to the sliding slots to the other end portion of the sliding slots, the seat rotates 90 ° relative to the frame, and the central angle of the sliding slots is 90 °.

According to other embodiments of the present invention, the positioning pins are respectively disposed on the frame and located on two opposite sides of the first rotating shaft, the first gear is provided with 2 sliding slots, the positioning pins on two sides are respectively located in the 2 sliding slots, when the end portions of the positioning pins on two sides slide to the other end portion of the sliding slot from one end portion corresponding to the sliding slot, the seat rotates 180 ° relative to the frame, and the central angle of the sliding slot is 180 °.

According to some preferred embodiments of the present invention, the positioning pins are respectively disposed on the frame at opposite sides of the first rotating shaft.

According to some embodiments of the invention, the first driving mechanism further comprises a rotating handle fixedly arranged on the second gear, and the second gear is driven to rotate by operating the rotating handle.

According to some embodiments of the present invention, the frame has a cross bar extending in a left-right direction in a length direction, and the second rotating shaft is fixedly disposed at one end of the cross bar.

According to some embodiments of the present invention, the second driving mechanism includes a motor set disposed on the wheel mechanism and configured to drive wheels of the wheel mechanism to rotate, and a controller set electrically connected to the motor set and configured to control operation of the motor set.

Further, the wheel mechanism comprises a left wheel assembly and a right wheel assembly which are respectively arranged on the left side part and the right side part of the frame, the motor group comprises a left motor and a right motor which are respectively arranged on the left wheel assembly and the right wheel assembly and are respectively used for driving the left wheel of the left wheel assembly and the right wheel of the right wheel assembly to rotate, the controller group comprises a left wheel controller and a right wheel controller which are respectively electrically connected with the left motor and the right motor and are respectively used for controlling the left motor and the right motor to work, and the left wheel controller controls the left wheel to move forwards or backwards by controlling the left motor; the right wheel controller controls the right wheel to move forwards or backwards by controlling the right motor.

Further, the wheel mechanism further comprises a front wheel assembly and a rear wheel assembly which are respectively arranged on the front side part and the rear side part of the frame.

According to some implementation aspects of the invention, the baby carriage further comprises an excavation bucket assembly, the excavation bucket assembly comprises an excavation bucket, one end of the excavation bucket is a free end used for excavation, the excavation bucket assembly further comprises a first connecting rod, one end of the first connecting rod is rotatably connected with the other end of the excavation bucket, an adjusting rod and a second connecting rod, the adjusting rod is rotatably connected with the other end of the first connecting rod, the second connecting rod is further rotatably connected with the excavation bucket, the first connecting rod, the adjusting rod and the second connecting rod form a four-bar mechanism, and one of the three rods of the first connecting rod, the adjusting rod and the second connecting rod is fixedly connected with the seat relatively.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

the baby carrier provided by the invention has the advantages that the seat is driven to rotate on the frame through the first driving mechanism, and along with the rotation of the seat on the frame, when a user sits on the seat, the body of the user can also rotate along with the seat, so that a visual blind area can be avoided during use, and when the seat rotates 90 degrees relative to the frame, the user can feel like sitting a tank, and the interestingness is increased. The second driving mechanism drives the wheels of the wheel mechanism to move, the whole vehicle can move forwards, backwards or turn, the running state of the whole vehicle and the rotation of the seat on the frame are not interfered with each other, and the whole vehicle can simultaneously rotate the seat under different running states, so that the orientation of a user and the running direction of the whole vehicle can be any angle.

Drawings

FIG. 1 is a schematic perspective view of a stroller according to an embodiment of the present invention;

FIG. 2 is a perspective view of a stroller according to one embodiment of the present invention (the hood and excavator bucket assembly not shown);

FIG. 3 is a schematic bottom view of a stroller according to an embodiment of the present invention (the hood and excavator bucket assembly not shown);

FIG. 4 is a schematic bottom view of a stroller according to an embodiment of the present invention (cover, frame and excavator bucket assembly not shown)

FIG. 5 is a schematic structural view of an excavator bucket assembly of the stroller of one embodiment of the present invention;

in the figure: 1. a frame; 101. a cross bar; 102. a vertical rod; 2. a seat; 3. a first gear; 4. a second gear; 5. rotating the handle; 6. a left wheel assembly; 7. a right wheel assembly; 8. a front wheel assembly; 9. a rear wheel assembly; 10. a left wheel controller; 11. a right wheel controller; 12. an armrest assembly; 13. a first link; 14. excavating a bucket; 15. a second link; 16. adjusting a rod; 17. a chute; 18. positioning pins; 19. a vehicle cover; 20. a power supply component; a. a first rotating shaft; b. a second rotating shaft.

Detailed Description

The invention is further described with reference to the drawings and the specific embodiments in the following description:

as shown in fig. 1 ~ 5, the stroller of an embodiment of the present invention is a children's electric vehicle.

This children's electric motor car, including frame 1, the seat 2 of setting on frame 1 that length direction extends along the fore-and-aft direction and set up the wheel mechanism in frame 1 bottom, seat 2 rotationally sets up relatively frame 1, and this children's electric motor car is still including the second actuating mechanism that is used for driving seat 2 pivoted first actuating mechanism on frame 1 and is used for driving the wheel motion of wheel mechanism.

In this example, the first driving mechanism drives the seat 2 to rotate on the frame 1 by adopting a way of matching different gears. In other embodiments, other ways of driving the seat 2 to rotate on the frame 1 may be used.

In this embodiment, the first driving mechanism includes a gear assembly disposed between the frame 1 and the seat 2, the gear assembly includes a first gear 3 fixed at the bottom of the seat 2 and capable of rotating around its axis and a second gear 4 engaged with the first gear 3 and capable of rotating around its axis, the first gear 3 is rotatably connected to the frame 1 through a first rotating shaft a, the second gear 4 is rotatably connected to the frame 1 through a second rotating shaft b, and drives the second gear 4 to rotate around the second rotating shaft b, so as to drive the first gear 3 to rotate around the first rotating shaft a, and further drive the seat 2 to rotate around the first rotating shaft a on the frame 1. The first driving mechanism further comprises a rotating handle 5 fixedly arranged with the second gear 4, and the second gear 4 is driven to rotate by operating the rotating handle 5.

Specifically, the vehicle body frame 1 has a cross bar 101 extending in the left-right direction in the longitudinal direction and a vertical bar 102 extending in the front-rear direction, and the second rotation shaft b is fixedly provided on one end of the cross bar 101.

A sliding groove 17 is formed in the first gear 3 along the circumferential direction of the first gear 3, a positioning pin 18 is arranged on the frame 1 corresponding to the position of the sliding groove 17, one end of the positioning pin 18 is fixedly arranged with the frame 1, and the other end is positioned in the sliding groove 17 and slides along the length direction of the sliding groove 17. The vertical rod 102 is provided with two positioning pins 18 at two opposite sides of the first rotating shaft a, and one end of each of the two positioning pins 18 is located in the sliding slot 17 and slides along the length direction of the sliding slot 17.

The slide grooves 17 may be arranged in various ways, for example, as shown in fig. 3 and 4, 2 slide grooves 17 are provided on the first gear 3, the two side positioning pins 18 are respectively located in the 2 slide grooves, when the two side positioning pins 18 are respectively located at one end of the respective slide grooves 17, the orientation of the seat 2 is consistent with the length direction of the frame 1, when the two side positioning pins 18 are respectively located at the other end of the respective slide grooves 17, the seat 2 rotates 90 degrees relative to the frame 1 so that the orientation of the seat 2 is perpendicular to the length direction of the frame 1, and the central angle of the slide grooves 17 is 90 °.

Besides the arrangement mode in this example, the sliding groove can also be a complete circular sliding groove arranged along the circumferential direction of the first gear 3, and the seat 2 can rotate 360 degrees in the horizontal direction relative to the frame 1. Or a limiting block can be arranged in the sliding groove, so that the limiting block is abutted against the positioning pin to prevent the seat from continuously rotating. Or the length of the sliding chute is longer on the basis of the sliding chute in the embodiment, so that when the two side positioning pins are respectively positioned at the middle parts of the corresponding sliding chutes, the orientation of the seat is consistent with the length direction of the frame, when the two side positioning pins are respectively positioned at the two end parts of the corresponding sliding chutes, the seat rotates 90 degrees relative to the frame, the orientation of the seat is vertical to the length direction of the frame, and the central angle degree of the sliding chute is 180 degrees.

In this example, the second driving mechanism adopts the cooperation of the motor group and the controller group to control the rotation of the wheels of the wheel mechanism. Specifically, the second driving mechanism comprises a motor set which is arranged on the wheel mechanism and used for driving wheels of the wheel mechanism to rotate and a controller set which is electrically connected with the motor set and used for controlling the motor set to work.

Specifically, the wheel mechanism comprises a left wheel assembly 6 and a right wheel assembly 7 which are respectively arranged on the left side part and the right side part of the frame 1, the motor group comprises a left motor and a right motor which are respectively arranged on the left wheel assembly 6 and the right wheel assembly 7 and are respectively used for driving the left wheel of the left wheel assembly and the right wheel of the right wheel assembly to rotate, the controller group comprises a left wheel controller 10 and a right wheel controller 11 which are respectively electrically connected with the left motor and the right motor and are respectively used for controlling the left motor and the right motor to work, and the left wheel controller 10 controls the left wheel to move forwards or backwards by controlling the left motor; the right wheel controller 11 controls the right wheel to advance or retreat by controlling the right motor.

In this example, by operating the left wheel controller 10 to dial forward, the left wheel moves forward, the left wheel controller 10 dials backward, and the left wheel moves backward; by operating the right wheel controller 11 to dial forward, the right wheel moves forward, the right wheel controller 11 dials backward, and the right wheel moves backward.

In this example, the left wheel assembly 6 and the right wheel assembly 7 are fixedly provided at both ends of the crossbar 101, respectively.

The wheel mechanism further comprises a front wheel assembly 8 and a rear wheel assembly 9 which are respectively arranged at the front side part and the rear side part of the frame 1. The front wheel assembly 8 and the rear wheel assembly 9 are universal wheel assemblies respectively.

In this example, referring to fig. 1, the electric children's vehicle further includes an armrest assembly 12 fixedly disposed at a lower end portion of the first gear 3. The left wheel controller 10 and the right wheel controller 11 are movably disposed at the upper end of the handle assembly 12, respectively.

In this example, referring to fig. 1 and 5, the children electric vehicle further includes an excavating bucket assembly, the excavating bucket assembly includes an excavating bucket 14, one end of the excavating bucket 14 is a free end for excavating, the excavating bucket assembly further includes a first connecting rod 13 having one end rotatably connected to the other end of the excavating bucket 14, an adjusting rod 16 rotatably connected to the other end of the first connecting rod 13, and a second connecting rod 15 rotatably connected to one end of the adjusting rod 16, the second connecting rod 15 is further rotatably connected to the excavating bucket 14, the first connecting rod 13, the adjusting rod 16, and the second connecting rod 15 form a four-bar mechanism, one end of the second connecting rod 15 is rotatably connected to the excavating bucket 14, and the other end is fixedly connected to the handle assembly 12, the adjusting rod 16 is further movably disposed on the handle assembly 12 up and down, and the movement of the free end of the excavating bucket 14 is adjusted by operating the up and down movement of the adjusting rod 16.

In this example, the electric child car further includes a cover 19 provided on the frame 1 and a power supply unit 20 provided on the first gear 3 and supplying power.

The working principle of the children electric vehicle is as follows:

the left wheel controller 10 and the right wheel controller 11 can respectively control the left wheel and the right wheel to move forwards and backwards, and when the left wheel controller 10 and the right wheel controller 11 are simultaneously pulled forwards, the children electric vehicle runs forwards; when the left wheel controller 10 and the right wheel controller 11 are simultaneously pulled backwards, the children electric vehicle runs backwards; when one of the left wheel controller 10 and the right wheel controller 11 is pulled forward and the other is pulled backward, or one is pulled forward and the other is not moved, the rotation of the two wheels forms a speed difference, and the electric vehicle for children turns to one side which is pulled backward or not moved.

The user operates the rotatory handle 5 drive second gear 4 and rotates, drive first gear 3 and rotate, and then drive seat 2 and rotate, user's health can rotate along with seat 2 like this, can operate rotatory handle 5 and make seat 2 clockwise or 360 degrees rotations anticlockwise in the horizontal direction, user's health is also followed seat 2 and is clockwise or 360 degrees rotations anticlockwise in the horizontal direction, also can seat 2 anticlockwise or clockwise rotate 90 degrees, make the user have the sensation of transversely traveling, perhaps seat 2 anticlockwise or clockwise rotates arbitrary angle.

In summary, the user can operate the rotation handle 5 to rotate the seat 2 clockwise or counterclockwise by 360 degrees, and operate the left wheel controller 10 and the right wheel controller 11 to move the electric children's vehicle forward, backward or turn. The rotation of the seat 2 on the frame 1 and the whole driving state of the children electric vehicle are not interfered with each other. The user can also combine the operation of the rotating handle 5 and the operation of the left wheel controller 10 and the right wheel controller 11, so that the body of the user can rotate in any direction of 360 degrees and has the feeling of transverse driving, and if the excavator bucket assembly is arranged, the user can achieve the feeling similar to the feeling of actually using the excavator, and the excavator bucket assembly has more interestingness.

In this example, the stroller is a children's electric vehicle, and in other embodiments, the stroller can be a non-electric vehicle, such as a children's stroller. Specifically, a push rod is fixedly arranged on the frame 1, and wheels of the wheel mechanism are driven to move by pushing the push rod manually.

The terms front, rear, left, right, etc. as used herein are defined in terms of conventional viewing angles for the stroller.

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

Claims

1. A baby carriage, comprising a carriage with a length direction extending along a front-back direction, a seat arranged on the carriage and a wheel mechanism arranged at the bottom of the carriage, characterized in that: the seat is rotatably arranged relative to the frame, and the baby carrier further comprises a first driving mechanism for driving the seat to rotate on the frame and a second driving mechanism for driving wheels of the wheel mechanism to move.

2. A stroller according to claim 1, wherein: the first driving mechanism comprises a gear assembly arranged between the frame and the seat, the gear assembly comprises a first gear fixedly connected with the seat and capable of rotating around a self axial lead and a second gear meshed with the first gear and capable of rotating around the self axial lead, the first gear is connected with the frame in a rotating mode through a first rotating shaft, the second gear is connected with the frame in a rotating mode through a second rotating shaft and drives the second gear to rotate around the second rotating shaft to drive the first gear to rotate around the first rotating shaft and further drive the seat to rotate around the first rotating shaft on the frame.

3. A stroller according to claim 2, wherein: a sliding groove is formed in the first gear along the circumferential direction of the first gear, a positioning pin is arranged on the frame corresponding to the sliding groove, and the end portion of the positioning pin is located in the sliding groove and slides along the length direction of the sliding groove.

4. A stroller according to claim 3, wherein: on the frame and be located the relative both sides of first pivot set up respectively the locating pin, set up 2 on the first gear the spout, two sides the locating pin is located 2 respectively in the spout, two sides the tip of locating pin is by corresponding separately one end of spout slides during another tip of spout, the seat is relative the frame rotates 90, the central angle degree of spout is 90.

5. A stroller according to claim 3, wherein: on the frame and be located the relative both sides of first pivot set up respectively the locating pin, set up 2 on the first gear the spout, two sides the locating pin is located 2 respectively in the spout, two sides the tip of locating pin is by respectively corresponding an end of spout slides when another tip of spout, the seat is relative the frame rotates 180, the central angle degree of spout is 180.

6. A stroller according to claim 2, wherein: the first driving mechanism further comprises a rotating handle fixedly arranged on the second gear, and the second gear is driven to rotate by operating the rotating handle.

7. A stroller according to claim 2, wherein: the frame is provided with a cross rod extending along the left-right direction in the length direction, and the second rotating shaft is fixedly arranged at one end of the cross rod.

8. A stroller according to any of claims 1 ~ 7, wherein the second driving mechanism comprises a motor set disposed on the wheel mechanism for driving wheels of the wheel mechanism to rotate, and a controller set electrically connected with the motor set for controlling the operation of the motor set.

9. A stroller according to claim 8, wherein: the wheel mechanism comprises a left wheel assembly and a right wheel assembly which are respectively arranged on the left side part and the right side part of the frame, the motor group comprises a left motor and a right motor which are respectively arranged on the left wheel assembly and the right wheel assembly and are respectively used for driving the left wheel of the left wheel assembly and the right wheel of the right wheel assembly to rotate, the controller group comprises a left wheel controller and a right wheel controller which are respectively electrically connected with the left motor and the right motor and are respectively used for controlling the left motor and the right motor to work, and the left wheel controller controls the left wheel to move forwards or backwards by controlling the left motor; the right wheel controller controls the right wheel to move forwards or backwards by controlling the right motor.

10. A stroller as defined in claim 1 ~ 7, further comprising an excavating bucket assembly, wherein the excavating bucket assembly comprises an excavating bucket, one end of the excavating bucket is a free end for excavating, the excavating bucket assembly further comprises a first connecting rod, one end of which is rotatably connected with the other end of the excavating bucket, an adjusting rod rotatably connected with the other end of the first connecting rod, and a second connecting rod rotatably connected with one end of the adjusting rod, the second connecting rod is also rotatably connected with the excavating bucket, the first connecting rod, the adjusting rod and the second connecting rod form a four-bar mechanism, and one of the three rods of the first connecting rod, the adjusting rod and the second connecting rod is fixedly connected with the seat.