CN215980714U

CN215980714U - Synchronous transmission assembly of baby carrier

Info

Publication number: CN215980714U
Application number: CN202121687711.2U
Authority: CN
Inventors: 蒋存汉
Original assignee: Fade Switches Co ltd
Current assignee: Fade Switches Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-03-08
Anticipated expiration: 2031-07-23

Abstract

The utility model provides a synchronous transmission assembly of a baby carrier, which comprises a box body, a synchronous belt pulley set and a driving component, wherein the synchronous belt pulley set and the driving component are arranged in the box body, the driving component drives the synchronous belt pulley set to rotate, the synchronous belt pulley set comprises a plurality of groups of gear sets and belt pulleys, the gear sets comprise large gears and small gears, the large gears and the small gears are in transmission connection through the belt pulleys, the large gear of one gear set is coaxially arranged with the small gear between the adjacent gear sets to realize synchronous rotation, and the small gear of the gear set positioned at the lowest part is connected with the driving component. The synchronous transmission assembly of the baby carrier is provided with a plurality of groups of belts for transmission in a limited space, so that the torque, the rotating speed and the transmission ratio are increased, and the load can be reduced.

Description

Synchronous transmission assembly of baby carrier

Technical Field

The utility model relates to the technical field of baby carriage transmission, in particular to a synchronous transmission assembly of a baby carriage.

Background

The baby carriage is a large class of children toys, including children's bicycles, children's carts, electro-tricycles, children's electric toy vehicles and the like, wherein a transmission assembly is an important driving and steering component of the baby carriage, but the transmission assembly of the current baby carriage has the following problems:

1. most of the baby carriages adopt a brush motor as a driving source and are driven by the brush motor, so that the noise is high and the experience is poor;

2. the transmission between the gears is mostly adopted in the baby carriage box body and the transmission inside the baby carriage box body, the gears are in meshing transmission, the transmission efficiency is low, the occupied space is large, the whole size of the transmission assembly is large, and the installation is not facilitated.

3. The existing transmission assembly transmitted by a synchronous belt is generally only provided with two groups of belts for transmission, and the torque and the rotating speed are limited to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a synchronous transmission assembly of a baby carrier, which is provided with a plurality of groups of belts for transmission in a limited space, increases the torque, the rotating speed and the transmission ratio and can reduce the load.

In order to achieve the purpose, the utility model provides a synchronous transmission assembly of a baby carrier, which comprises a box body, a synchronous belt pulley group and a driving component, wherein the synchronous belt pulley group and the driving component are arranged in the box body, the driving component drives the synchronous belt pulley group to rotate, the synchronous belt pulley group comprises a plurality of groups of gear groups and belt pulleys, each gear group comprises a large gear and a small gear, the large gears and the small gears are in transmission connection through the belt pulleys, the large gear of one gear group and the small gear between the adjacent gear groups are coaxially arranged to realize synchronous rotation, and the small gear of the gear group positioned at the lowest part is connected with the driving component.

Preferably, the gear sets are an input gear set, a transmission gear set and an output gear set respectively, the driving assembly is connected with a pinion of the input gear set and drives the pinion of the input gear set to rotate, a gearwheel of the input gear set and a pinion of the transmission gear set are coaxially arranged, and a gearwheel of the transmission gear set and a pinion of the output gear set are coaxially arranged to realize synchronous rotation.

Preferably, the bull gear of the input gear set and the pinion gear of the transmission gear set are fixed on the first rotating shaft, the bull gear of the transmission gear set and the pinion gear of the output gear set are fixed on the second rotating shaft, and centers of the pinion gear of the input gear set, the first rotating shaft and the second rotating shaft are located on the same axis.

Preferably, the gearwheel of the input gear set and the pinion of the transmission gear set are integrally arranged, and the gearwheel of the transmission gear set and the pinion of the output gear set are integrally arranged.

Preferably, the two rotational shafts are located between the pinion gear and the first rotational shaft of the input gear set.

Preferably, the input gear set, the transmission gear set and the output gear set are sequentially arranged from bottom to top.

Preferably, the driving assembly is a brushless motor assembly; replace traditional brush motor, reduce holistic noise, improve user's experience and feel.

Preferably, the brushless motor assembly comprises a brushless motor and a protective cover, and the lower end of the brushless motor is arranged in the protective cover and is fixed on the box body through the protective cover; the brushless motor is fixed stably and has a certain protection effect on the brushless motor.

Preferably, one side of the box body is provided with an internal groove for accommodating the brushless motor, the opening of the internal groove is small at the top and large at the bottom, and a rotating shaft of the brushless motor penetrates through the lower end of the internal groove and penetrates out of the upper end to be fixedly connected with a pinion of the input gear set; the motor is convenient to mount and dismount.

Preferably, the box body comprises an upper cover and a bottom cover, the upper cover covers the bottom cover, the box body further comprises a plum blossom coupling, and the plum blossom coupling is fixedly connected with a large gear of the output gear set.

The utility model has the beneficial effects that: according to the utility model, through the box body, the synchronous belt pulley group and the driving assembly which are arranged in the box body, the synchronous belt pulley group comprises a plurality of groups of gear groups and belt pulleys, each gear group comprises a large gear and a small gear, the large gear of one gear group and the small gear between the adjacent gear groups are coaxially arranged to realize synchronous rotation, the synchronous rotation can be set into three groups of gear groups, but not limited to three groups, or four groups, five groups and the like, the torque is larger, the gear transmission ratio is increased, the transmission ratio is large, the transmission efficiency is high, meanwhile, the space utilization rate is high, and the space is compact; the brushless motor is protected by the protective cover, the service life is prolonged, and meanwhile, the brushless motor is convenient to install and detach.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic diagram one of the explosive structure of fig. 1.

Fig. 3 is a schematic diagram of the exploded structure of fig. 1.

In the figure: the automatic transmission device comprises a box body 1, a driving component 2, an upper cover 11, a bottom cover 12, a 3-plum coupling, a large gear 4, a small gear 5, a belt 6, an input gear set 7, a transmission gear set 8, an output gear set 9, a rotating shaft I13, a rotating shaft II 14, a protective cover 21, a connecting column 121, a reinforcing rib 122 and an embedded groove 123.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the utility model and not to limit the scope of the utility model. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1 to 3, the stroller synchronous transmission assembly of the present embodiment includes a case 1, a synchronous belt set and a driving assembly 2 installed in the case 1, the case 1 includes an upper cover 11 and a bottom cover 12, the driving assembly 2 is installed at one end of the bottom cover 12, the upper cover 11 covers the bottom cover 12, a connecting column 121 fixed to the quincuncial coupling 3 is installed at the other end of the bottom cover 12, reinforcing ribs 122 are installed around the connecting column 121 to improve the strength of the bottom cover 12, and the upper end of the quincuncial coupling 3 penetrates through the upper cover 11;

the driving assembly 2 drives a synchronous belt set to synchronously rotate, the synchronous belt set comprises a gear set and a belt 6, the gear set comprises a large gear 4 and a small gear 5, the large gear 4 and the small gear 5 are in transmission connection through the belt 6, the gear set comprises an input gear set 7, a transmission gear set 8 and an output gear set 9, and the driving assembly 2 is connected with the small gear 5 of the input gear set 7 to provide power; the bull gear 4 of the input gear set 7 and the pinion gear 5 of the transmission gear set 8 are coaxially and integrally arranged, the bull gear 4 of the transmission gear set 8 and the pinion gear 5 of the output gear set 9 are coaxially and integrally arranged, synchronous rotation between the belts 6 is achieved, more specifically, the bull gear 4 of the output gear set 9 is fixedly connected with the quincuncial coupling 3, the bull gear 4 of the input gear set 7 and the pinion gear 5 of the transmission gear set 8 are fixed on the first rotating shaft 13, the bull gear 4 of the transmission gear set 8 and the pinion gear 5 of the output gear set 9 are fixed on the second rotating shaft 14, the pinion gear 5, the first rotating shaft 13 and the second rotating shaft 14 of the input gear set 7 are located on the same horizontal line, and the second rotating shaft 14 is located between the pinion gear 5 and the first rotating shaft 13 of the input gear set 7.

The driving assembly 2 is a brushless motor, a protective cover 21 is arranged outside the brushless motor, the lower end of the brushless motor is arranged in the protective cover 21, the other end of the bottom cover 12 is provided with an internal groove 123 for accommodating the brushless motor, the opening of the internal groove 123 is small at the top and large at the bottom, the brushless motor is arranged from the lower end of the internal groove 123, a rotating shaft at the upper end penetrates out of the opening at the upper end of the internal groove 123 to be connected with the pinion 5 of the input gear set 7, the pinion 5 of the input gear set 7 is driven to rotate, and the protective cover 21 of the brushless motor is fixedly connected with the lower end of the internal groove 123 through bolts; the built-in groove 123 and the protective cover 21 are further provided with a plurality of heat dissipation holes for dissipating heat of the brushless motor.

During operation, the brushless motor is started, the gear set is driven to rotate, synchronous rotation of the three gear sets and the belt 6 is achieved, the torque is larger, the gear transmission ratio is large, the conveying ratio is large, the transmission efficiency is high, meanwhile, the space utilization rate is high, the space is compact, and the size is small.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a bassinet synchronous transmission assembly, includes the box body, installs synchronous pulley group and drive assembly in the box body, the synchronous pulley group of drive assembly drive rotates its characterized in that: synchronous belt pulley group includes multiunit gear train and belt pulley, the gear train includes gear wheel and pinion, and gear wheel and pinion pass through belt pulley transmission and connect, one of them the gear wheel of gear train with adjacent pinion coaxial setting between the gear train realizes synchronous rotation, and the pinion that is located the gear train of below is connected with drive assembly.

2. A stroller synchronous drive assembly according to claim 1, wherein: the gear train is input gear set, transmission gear set and output gear set respectively, drive assembly is connected with input gear set's pinion, and the pinion of drive input gear set rotates, input gear set's gear wheel, transmission gear set's pinion coaxial setting, transmission gear set's gear wheel and output gear set's pinion coaxial setting realize synchronous rotation.

3. A stroller synchronous drive assembly according to claim 2, wherein: the large gear of the input gear set and the small gear of the transmission gear set are fixed on the first rotating shaft, the large gear of the transmission gear set and the small gear of the output gear set are fixed on the second rotating shaft, and the centers of the small gear of the input gear set, the first rotating shaft and the second rotating shaft are located on the same axis.

4. A stroller synchronous drive assembly according to claim 2, wherein: the gear wheel of the input gear set and the pinion of the transmission gear set are integrally arranged, and the gear wheel of the transmission gear set and the pinion of the output gear set are integrally arranged.

5. A stroller synchronous drive assembly according to claim 3, wherein: the second rotating shaft is located between the pinion of the input gear set and the first rotating shaft.

6. A stroller synchronous drive assembly according to claim 2, wherein: the input gear set, the transmission gear set and the output gear set are sequentially arranged from bottom to top.

7. A stroller synchronous drive assembly according to claim 1, wherein: the driving assembly is a brushless motor assembly.

8. A stroller synchronous drive assembly according to claim 7, wherein: brushless motor subassembly includes brushless motor and safety cover, brushless motor's lower extreme is arranged in the safety cover, is fixed in on the box body through the safety cover.

9. A stroller synchronous drive assembly according to claim 7, wherein: one side of the box body is provided with a built-in groove used for accommodating the brushless motor, the opening of the built-in groove is small at the top and big at the bottom, and a rotating shaft of the brushless motor penetrates through the lower end of the built-in groove and penetrates out of the upper end of the built-in groove to be fixedly connected with a pinion of the input gear set.

10. A stroller synchrodrive assembly according to any of claims 1-9, wherein: the box body comprises an upper cover and a bottom cover, the upper cover covers the bottom cover, the box body further comprises a plum blossom coupling, and the plum blossom coupling is fixedly connected with a large gear of the output gear set.