CN216102573U

CN216102573U - Bassinet wabbler mechanism

Info

Publication number: CN216102573U
Application number: CN202122748102.XU
Authority: CN
Inventors: 陆利平
Original assignee: Zhejiang Jiajia Ride On Co ltd
Current assignee: Zhejiang Jiajia Ride On Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-22
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a baby carriage swing mechanism, which relates to a baby carriage and aims to solve the problem that the baby carriage does not have a swing function. The technical solution is as follows: a baby carriage swing mechanism includes a swing motor and a swing shaft. a shaft and an inner shaft inserted into the outer shaft, the swing motor drives the outer shaft to rotate, the two ends of the outer shaft are respectively provided with eccentric movement components, the eccentric movement components include an eccentric wheel fixed on the outer shaft, and a rotating sleeve The connecting seat is connected to the eccentric wheel, and the connecting seat is installed on the stroller; the two ends of the inner shaft respectively extend out of the outer shaft, and a driving wheel is rotatably sleeved and connected with a driving motor. The baby carriage rocking mechanism of the utility model adopts the combined structure of an eccentric wheel and a connecting seat to endow the baby carriage with a rocking function.

Description

Bassinet wabbler mechanism

Technical Field

The present invention relates to strollers, and more particularly, it relates to a stroller swing mechanism.

Background

The baby carriage is a tool vehicle for children to play, and has various vehicle types including a baby bicycle, a baby carriage, a baby walker and a baby tricycle, and five types of electric vehicles for children, generally the baby carriage is played by children of 1 to 2 years old, and the toy vehicle with wheels is played by children of more than 2 years old, so that the baby carriage can bring certain benefits to the intelligence development of the children, the development of the brains of the children is increased, and the baby carriage has great benefits to the later growth of the children, therefore, the shape of the baby carriage is very attractive, and in order to enable the baby carriage to be more interesting, movable parts can be manufactured on the baby carriage, so that the movable parts can move when the children drive the baby carriage, the baby carriage is more interesting, and the interestingness of the baby carriage is improved to a great extent.

The baby carriage with the swinging function, which is disclosed in Chinese patent publication No. CN211167232U and applied by the applicant, has the technical key points that: including frame, front wheel system, rear wheel system, the rear wheel system includes two power device and pendulous device, and the pendulous device includes swing motor, swing speed reducer, swing pivot both ends set up respectively in the bending section, and the bending section is connected with two power device respectively, and power device includes power motor, power reducer and fixed mounting in the rear wheel of power reducer.

In the scheme, the swing motor is adopted to drive the swing rotating shaft to rotate, so that the eccentric rotation of the bent section is utilized to endow the baby carrier with a swing function, and the problem that the baby carrier does not have the swing function is solved; another new solution is proposed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a baby carriage swinging mechanism which has a swinging function by adopting a structure of combining an eccentric wheel and a connecting seat.

The technical purpose of the utility model is realized by the following technical scheme: a baby carrier swing mechanism comprises a swing motor and a swing shaft, wherein the swing shaft comprises an outer shaft and an inner shaft inserted into the outer shaft, the swing motor drives the outer shaft to rotate, two ends of the outer shaft are respectively provided with an eccentric motion assembly, the eccentric motion assembly comprises an eccentric wheel fixed on the outer shaft and a connecting seat rotatably sleeved on the eccentric wheel, and the connecting seat is installed on a baby carrier; outer shafts extend out of two ends of the inner shaft respectively, and are rotatably sleeved with driving wheels, and the driving wheels are connected with driving motors in a transmission mode.

By adopting the technical scheme, when the baby carriage is controlled to swing in a swinging mode, the outer shaft is driven to rotate by the swinging motor, the outer shaft drives the eccentric wheel to synchronously rotate in the rotating process, and the supporting height of the eccentric wheel is not changed for a short time in the rotating process, so that the baby carriage is endowed with the vertical swinging amplitude through the connecting seat; when the baby carriage needs to be driven to run in a running mode, the driving motor controls the driving wheels to rotate, so that the baby carriage is endowed with forward kinetic energy by the friction force between the driving wheels and the ground; in summary, under the premise of normal driving advancing, the baby carrier has the swinging function due to the adoption of the structure of combining the eccentric wheel and the connecting seat; it should be noted that, this application adopts the structure that eccentric wheel and connecting seat combine to replace the structure of bent axle among the prior art, can effectively distribute and support automobile body task and sway the function, undertake the function of swaing by outer axle promptly, undertake two functions simultaneously by interior bearing stretcher axle function, compare in prior art, undertaken two functions by bent axle simultaneously, not only effectively improved bearing capacity, reduced the dimensional accuracy requirement to swaing the axle moreover.

The utility model is further configured to: the swing motor is provided with the swing gear box, the outer axle both ends run through the swing gear box, the outer axle is provided with the flower groove dish, the swing gear box is provided with the output cover that cup joints with the flower groove dish.

The utility model is further configured to: the cross section of outer axle is the rectangle, the eccentric wheel has seted up the rectangle jack, outer axle interference is pegged graft in the rectangle jack.

The utility model is further configured to: the rectangular jack is penetrated through by one end, and a through hole for the inner shaft to penetrate through is formed in the closed end of the rectangular jack.

The utility model is further configured to: the connecting seat is provided with a sleeve hole which is sleeved on the eccentric wheel, the two ends of the sleeve hole of the connecting seat are respectively provided with a limiting ring edge, and the limiting ring edges are used for clamping the eccentric wheel at the two ends.

The utility model is further configured to: the outer circumference of the eccentric wheel is at least provided with two connecting ring edges, and the connecting ring edges are rotationally attached to the inner circumference of the sleeving hole.

The utility model is further configured to: the connecting seat is divided into two components, and the two components are provided with a plurality of screw holes for being matched with bolts for assembly.

The utility model is further configured to: the driving motor is connected with a driving gear box in a transmission mode, and the driving gear box faceplate is connected to the driving wheel.

In summary, the baby carriage rocking mechanism provided by the utility model has the following beneficial effects: on the premise of normal driving forward, the baby carrier has a swinging function due to the adoption of a structure combining the eccentric wheel and the connecting seat; the bearing capacity can be effectively improved, and the requirement on the dimensional accuracy of the swing shaft is lowered; the outer shaft is driven to rotate at the middle point of the outer shaft, so that the torsion balance of two ends of the outer shaft is ensured; the connection between the outer shaft and the swing gear box is realized through the grooved disc and the output sleeve, so that the connection strength between the swing gear box and the outer shaft is ensured; the relative rotation mobility of the outer shaft and the eccentric wheel is eliminated, so that the outer shaft and the eccentric wheel are prevented from slipping; one end of the rectangular jack is limited to penetrate through, so that the insertion of the outer shaft and the positioning of the eccentric wheel are realized, and the assembly precision of the outer shaft and the eccentric wheel is further ensured; the mobility of the connecting seat and the eccentric wheel along the central axis direction is eliminated, and the rotating connection stability of the connecting seat and the eccentric wheel is ensured; reduce the connecting capacity of eccentric wheel and connecting seat, effectively reduce frictional resistance between the two to improve relative rotatory smooth and easy nature.

Drawings

FIG. 1 is a schematic overall structure diagram according to a first embodiment;

FIG. 2 is an exploded view of the first embodiment;

FIG. 3 is a view of the embodiment showing the relationship between the rocking shaft and the eccentric motion assembly, the view being shown in half section for convenience of illustration;

FIG. 4 is a schematic view of the overall structure of the second embodiment;

FIG. 5 is a schematic structural view of the baby carriage body of the second embodiment after disassembly, in which the protective cover housing is exploded for convenience of illustration;

fig. 6 is a half sectional view of the embodiment shown in fig. 5.

Description of the drawings: 1. a swing motor; 3. a swing shaft; 4. an outer shaft; 5. an inner shaft; 6. a connecting seat; 61. an eccentric wheel; 7. a drive wheel; 8. a drive motor; 9. a swing gear box; 10. a fluted disc; 11. an output sleeve; 12. a rectangular jack; 13. a through hole; 14. sleeving a hole; 15. a limiting ring edge; 16. a connecting ring edge; 17. a screw hole; 18. a drive gear box; 19. a stroller body; 20. an integrated mounting housing; 21. a mounting cavity; 22. a protective housing; 23. a buffer tank; 24. a buffer spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows: a baby carriage swing mechanism comprises a swing motor 1 and a swing shaft 3, wherein the swing shaft 3 comprises an outer shaft 4 and an inner shaft 5 inserted in the outer shaft 4, the swing motor 1 drives the outer shaft 4 to rotate, two ends of the outer shaft 4 are respectively provided with an eccentric motion assembly, the eccentric motion assembly comprises an eccentric wheel 61 fixed on the outer shaft 4 and a connecting seat 6 rotatably sleeved on the eccentric wheel 61, and the connecting seat 6 is arranged on a baby carriage; the outer shaft 4 extends from two ends of the inner shaft 5 respectively, and is rotatably sleeved with a driving wheel 7, and the driving wheel 7 is connected with a driving motor 8 in a transmission way.

When the baby carriage is controlled to swing in a swinging mode, the swinging motor 1 drives the outer shaft 4 to rotate, the outer shaft 4 drives the eccentric wheel 61 to rotate synchronously in the rotating process, and the supporting height of the eccentric wheel 61 is not changed for a short time in the rotating process, so that the baby carriage is endowed with the vertical swinging amplitude through the connecting seat 6; when the baby carriage needs to be driven to run in a running mode, the driving motor 8 controls the driving wheel 7 to rotate, so that the kinetic energy of the baby carriage advancing is given by the friction force between the driving wheel 7 and the ground; in summary, under the premise of normal driving forward, the baby carrier has the swinging function due to the adoption of the structure of combining the eccentric wheel 61 and the connecting seat 6; it should be further noted that, the structure that this application adopted eccentric wheel 61 and connecting seat 6 to combine replaces the structure of bent axle among the prior art, can effectively distribute and support automobile body task and sway the function, undertake the function of swaying by outer axle 4 promptly, undertake the axletree function by interior axle 5, compare in prior art, undertake two functions simultaneously by bent axle, not only effectively improved bearing capacity, reduced the dimensional accuracy requirement to the axle that sways moreover.

The swing motor 1 drives the outer shaft 4 to rotate in the following way, as shown in fig. 1 and fig. 2, the swing motor 1 is in transmission connection with a swing gear box 9, two ends of the outer shaft 4 penetrate through the swing gear box 9, and the swing gear box 9 is additionally arranged for transmission, so that the outer shaft is driven to rotate at the middle point of the outer shaft 4, and the torsion balance of the two ends of the outer shaft is ensured; note that the outer shaft 4 is fixedly fitted with a spline plate 10 by welding, and the wobble gear case 9 is provided with an output sleeve 11 fitted with the spline plate 10, thereby ensuring the connection strength between the wobble gear case 9 and the outer shaft 4.

In order to prevent the outer shaft 4 and the eccentric wheel 61 from slipping, as shown in fig. 2 and 3, the cross section of the outer shaft 4 is rectangular, the eccentric wheel 61 is provided with a rectangular insertion hole 12, and the outer shaft 4 is inserted into the rectangular insertion hole 12 in an interference manner, so that the relative rotation mobility of the outer shaft 4 and the eccentric wheel 61 is eliminated, and the outer shaft 4 and the eccentric wheel 61 are prevented from slipping.

In order to ensure the assembling accuracy of the outer shaft 4 and the eccentric wheel 61, as shown in fig. 3, one end of the rectangular insertion hole 12 penetrates through the outer shaft 4, so that when the outer shaft 4 is inserted and tightly abutted against the closed end of the rectangular insertion hole 12, the assembling accuracy of the outer shaft 4 and the eccentric wheel 61 can be ensured, it should be noted that the closed end of the rectangular insertion hole 12 is integrally formed with a through hole 13 for the inner shaft 5 to pass through, so that the inner shaft 5 can smoothly pass through the eccentric moving component.

In order to ensure the rotational connection stability of the connecting seat 6 and the eccentric wheel 61, as shown in fig. 2 and 3, a sleeve hole 14 is integrally formed on the connecting seat 6 to be sleeved on the eccentric wheel 61, a limiting ring edge 15 is respectively integrally formed at two ends of the sleeve hole 14 of the connecting seat 6, and the limiting ring edge 15 is formed at two ends to clamp the eccentric wheel 61, so that the mobility of the connecting seat 6 and the eccentric wheel 61 along the central axis direction is eliminated, the connecting seat 6 and the eccentric wheel 61 only have the mobility of relative rotation, and the rotational connection stability of the connecting seat 6 and the eccentric wheel 61 is ensured.

In order to improve the smoothness of the relative rotation between the eccentric wheel 61 and the connecting seat 6, as shown in fig. 2 and 3, at least two connecting ring edges 16 are integrally formed on the outer circumferential surface of the eccentric wheel 61, and the connecting ring edges 16 are rotatably attached to the inner circumferential surface of the sleeving hole 14, so that the connection amount between the eccentric wheel 61 and the connecting seat 6 is reduced, the frictional resistance between the eccentric wheel 61 and the connecting seat is effectively reduced, and the smoothness of the relative rotation is further improved.

In order to avoid interference between the eccentric wheel 61 and the connecting seat 6 due to the arrangement of the limiting ring edge 15, as shown in fig. 2, the connecting seat 6 is divided into two components, and the two components are provided with a plurality of screw holes 17 for assembling with bolts, so that the eccentric wheel 61 can be sleeved by separating the two components of the connecting seat 6, and the smooth assembly of the eccentric wheel 61 and the connecting seat is ensured.

The driving motor 8 drives the driving wheel 7 in the following way, as shown in fig. 1, the driving motor 8 is in transmission connection with a driving gear box 18, and the driving gear box 18 is connected to the driving wheel 7 in a disc-flower manner, so that the driving wheels 7 on two sides are respectively driven by one driving motor 8, and the driving force is effectively improved.

Example two: a baby carriage using a rocking mechanism comprises a baby carriage body 19 and the rocking mechanism of the baby carriage disclosed in the first embodiment, wherein an integrated mounting shell 20 is embedded and fixed by bolts at the rear part of the bottom surface of the baby carriage body 19, and a mounting cavity 21 with a downward opening is integrally formed in the integrated mounting shell 20 and used for mounting the rocking mechanism of the baby carriage.

This application is when the workshop equipment, can install integrated installation shell 20 earlier with wabbler mechanism on, the bottom surface of wholly installing bassinet automobile body 19 again, thereby realize the unified assembly that integrates, more be applicable to modern assembly workshop, effectively improve the convenience of assembly, and the uniformity of accessories has been improved, different motorcycle types only need design the same integrated installation shell installation region in automobile body bottom promptly, can realize the use that one set of wabbler mechanism is adapted to the motorcycle type of many models, effectively reduction in production cost.

In order to prevent the rock and other impurities from entering the baby carriage due to the fact that the swing mechanism is exposed towards the ground, as shown in fig. 4 and 5, two protective housings 22 are fixed to the installation cavity 21 through bolts, and the two protective housings 22 close the open area of the installation cavity 21, so that the sealing performance of the bottom of the baby carriage is guaranteed.

For the travelling comfort that improves bassinet state of swaying, as shown in fig. 6, the installation cavity 21 corresponds two connecting seats 6 and vertical integrated into one piece has the dashpot 23 respectively, two connecting seats 6 slide respectively and connect in two dashpots 23, the pad is equipped with buffer spring 24 between the tank bottom of dashpot 23 and the connecting seat 6, thereby realize the elastic connection of connecting seat 6 and bassinet automobile body 19, compare in the rigid connection, effectively eliminate the pause and pause feeling when swaying the function, thereby improve the travelling comfort that the bassinet swayed the state.

The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a bassinet wabbler mechanism, includes and sways motor (1) and sways axle (3), its characterized in that: the swing shaft (3) comprises an outer shaft (4) and an inner shaft (5) inserted into the outer shaft (4), the swing motor (1) drives the outer shaft (4) to rotate, eccentric motion assemblies are arranged at two ends of the outer shaft (4) respectively, each eccentric motion assembly comprises an eccentric wheel (61) fixed on the outer shaft (4) and a connecting seat (6) rotatably sleeved on the eccentric wheel (61), and the connecting seat (6) is installed on the baby carriage; outer axle (4) are extended respectively to interior axle (5) both ends to the rotation cup joints drive wheel (7), drive wheel (7) transmission is connected with driving motor (8).

2. A stroller rocker mechanism according to claim 1, wherein: swing motor (1) is provided with and sways gear box (9), outer axle (4) both ends are run through and are swayd gear box (9), outer axle (4) are provided with flower groove dish (10), it is provided with output cover (11) that cup joint with flower groove dish (10) to sway gear box (9).

3. A stroller rocker mechanism according to claim 1, wherein: the cross section of outer axle (4) is the rectangle, rectangle jack (12) have been seted up in eccentric wheel (61), outer axle (4) interference is pegged graft in rectangle jack (12).

4. A stroller rocker mechanism according to claim 3, wherein: one end of the rectangular jack (12) penetrates through the inner shaft, and a through hole (13) for the inner shaft (5) to penetrate through is formed in the closed end of the rectangular jack.

5. A stroller rocker mechanism according to claim 1, wherein: the connecting seat (6) is provided with a sleeving hole (14) which is sleeved on the eccentric wheel (61), two ends of the connecting seat (6) in the sleeving hole (14) are respectively provided with a limiting ring edge (15), and the limiting ring edges (15) are used for clamping the eccentric wheel (61).

6. A stroller rocker mechanism according to claim 5, wherein: the outer circumferential surface of the eccentric wheel (61) is at least provided with two connecting ring edges (16), and the connecting ring edges (16) are rotationally attached to the inner circumferential surface of the sleeving hole (14).

7. A stroller rocker mechanism according to claim 5, wherein: the connecting seat (6) is divided into two components, and the two components are provided with a plurality of screw holes (17) for being matched with bolts for assembly.

8. A stroller rocker mechanism according to claim 1, wherein: the driving motor (8) is connected with a driving gear box (18) in a transmission mode, and a faceplate of the driving gear box (18) is connected to the driving wheel (7).