CN212591296U

CN212591296U - A wabbler mechanism for baby's nurse robot

Info

Publication number: CN212591296U
Application number: CN202020892863.5U
Authority: CN
Inventors: 周晓莹; 王晓璨
Original assignee: Xiamen University of Technology
Current assignee: Xiamen University of Technology
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-02-26
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a wabbler mechanism for baby's nurse robot, including first swing arm, the second swing arm, synchronous drive subassembly and supporting pedestal, first swing arm and second swing arm are parallelly set up on supporting pedestal, drive subassembly includes the transmission shaft, first action wheel and second action wheel, the transmission shaft is rotatably worn to locate on the supporting pedestal, first action wheel, the second action wheel is fixed in on the transmission shaft and respectively with first swing arm, the transmission is matched with to the second swing arm, the first action wheel of transmission shaft drive and second action wheel rotate, and then drive first swing arm and second swing arm synchronous motion. This a be used for rocking mechanism is through the setting of first swing arm, second swing arm and synchronous drive subassembly for cradle support piece does not directly have and first action wheel and second action wheel lug connection, avoids shaking table/cradle to appear the swing amplitude too big sometimes when rocking, the condition of toppling over even, avoids causing the potential safety hazard, improves whole rocking mechanism's the range of rocking unanimous and keeps higher equilibrium.

Description

A wabbler mechanism for baby's nurse robot

Technical Field

The utility model relates to a technical field of crib to in particular to a wabbler mechanism for baby nursing robot.

Background

With the progress of science and technology, smart homes gradually enter our lives, aspects of our lives are influenced, and the application of various smart homes not only enriches our lives, but also greatly liberates the hands of people, so that people get rid of boring mechanical labor, and a large amount of labor force is saved. However, even today, the research on the intelligent crib is still deficient, and most of the strollers and cribs are still only used as a carrier to provide a sleeping environment for the baby, and cannot serve families well.

The conventional cradle adopts a four-foot fixed or wheeled structure, and can only meet the basic sleeping requirements of the infant. The baby can not be used for parents to soothe the baby when the baby cries, and great inconvenience is brought to the parents at night. In addition, some shaking tables provided with swing rocking devices are not provided with limiting devices, and the situation that the swing amplitude is too large or even falls on one side can sometimes occur during rocking, so that potential safety hazards are easily caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of overlarge swing amplitude and unstable swing in the prior art, the utility model provides a swing mechanism for a baby nursing robot, which is used for solving various technical problems existing in the prior baby cradle or cradle.

The utility model provides a wabbler mechanism for baby's nurse robot, including first swing arm, the second swing arm, synchronous drive subassembly and supporting pedestal, first swing arm and second swing arm are parallelly set up on supporting pedestal, drive subassembly includes the transmission shaft, first action wheel and second action wheel, the transmission shaft is rotatably worn to locate on the supporting pedestal, first action wheel, the second action wheel is fixed in on the transmission shaft and respectively with first swing arm, the transmission that cooperatees of second swing arm, the first action wheel of transmission shaft drive and second action wheel rotate, and then drive first swing arm and second swing arm synchronous motion. The first swing arm and the second swing arm are driven to synchronously move by means of the transmission shaft and the arrangement of the first driving wheel and the second driving wheel which are arranged on the transmission shaft, so that the swing amplitude of the whole swing mechanism is consistent and higher balance is kept.

Preferably, the first swing arm and the second swing arm are arc-shaped tooth-shaped structures, and gear teeth meshed with the arc-shaped tooth-shaped structures are arranged on the outer circumferences of the first driving wheel and the second driving wheel. By means of the arrangement of the tooth form and the gear teeth, the first driving wheel and the second driving wheel are utilized to drive the first swing arm and the second swing arm to swing.

Preferably, the support base comprises a first support base and a second support base, a guide groove for the first swing arm and/or the second swing arm to move is arranged in the first support base and/or the second support base, and two ends of the transmission shaft are rotatably arranged on the first support base and the second support base. By means of the arrangement of the guide groove, the guide can be provided for the first swing arm and the second swing arm, and the swing of the first swing arm and the second swing arm is more stable.

Further preferably, the support base further comprises a first slide rail, a second slide rail and a rotating wheel, the first slide rail and/or the second slide rail is arranged in the guide groove and supports the first swing arm and/or the second swing arm, and the rotating wheel is arranged on the first slide rail and the second slide rail. By means of the arrangement of the first slide rail and the second slide rail, the first swing arm and the second swing arm can be stably swung in the supporting base.

Further preferably, the side edges of the first swing arm and/or the second swing arm are respectively provided with two limiting columns. By means of the arrangement of the two limiting columns, the swing amplitude of the first swing arm and the swing amplitude of the second swing arm can be controlled.

Further preferably, the horizontal distance between the limiting columns on the first swing arm and/or the second swing arm is larger than the length of the first supporting base and/or the second supporting base. The first supporting base and/or the second supporting base are arranged between the two limiting columns, and the amplitude of oscillation is controlled through the relative position relation between the limiting columns and the supporting bases during oscillation.

Preferably, still include cradle support piece, cradle support piece sets up in the top of first action wheel and second swing arm and with first swing arm, second swing arm fixed connection. By virtue of the arrangement, the cradle support member is driven by the first swing arm and the second swing arm to swing synchronously with the swinging mechanism.

Further preferably, the cradle support member comprises a first cradle hanging rail, a second cradle hanging rail and an L-shaped connecting member, and the first cradle hanging rail and/or the second cradle hanging rail is fixedly connected with the first swing arm and/or the second swing arm through the L-shaped connecting member. By virtue of the structure of the L-shaped connecting piece, the cradle supporting piece is stably fixed on the first swing arm and/or the second swing arm through two fixing points.

Preferably, the first driving wheel and/or the second driving wheel is/are arranged on one side of the first swing arm and/or the second swing arm, and the other side of the first swing arm and/or the second swing arm is/are provided with a first driven wheel and/or a second driven wheel meshed with the first swing arm and/or the second swing arm. The first driven wheel and the second driven wheel are arranged, so that the first swing arm and the second swing arm are guided to swing, and the stability of the swing process is further ensured.

Preferably, the device further comprises a servo motor, and the driving end of the servo motor is connected with the transmission shaft. The servo motor provides swing power for the swing mechanism through the transmission shaft.

The utility model discloses a rocking mechanism for baby's nurse robot utilizes the first swing arm of setting on the support base, second swing arm and synchronous drive subassembly, through the transmission shaft, first action wheel and second action wheel, servo motor is connected with the rotation axis, it rotates to drive first action wheel and second action wheel, thereby drive first swing arm and the synchronous swing of second swing arm, furthermore, through the setting of spacing post, and cradle support piece does not directly and first action wheel and second action wheel lug connection, it is too big to avoid shaking table/cradle to probably appear the swing when swaing sometimes, the condition of empting appears even, avoid causing the potential safety hazard, improve the unanimous and higher equilibrium of the range of swaying of whole rocking mechanism.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the invention. Other embodiments and many of the intended advantages of embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.

Fig. 1 is a schematic structural view of a swing mechanism for an infant care robot according to an embodiment of the present invention;

description of the reference numerals: 1. the cradle comprises a first swing arm, a second swing arm, a servo motor, a first cradle hanging rail, a second cradle hanging rail, a first driving wheel, a first supporting base, a first driven wheel, a limiting column, a second driving wheel, a second supporting base, a second driving wheel, a limiting column, a driving shaft, a first L-shaped connecting piece and a second L-shaped connecting piece, wherein the first swing arm, the second swing arm, the servo motor, the first cradle hanging rail, the second cradle hanging rail, the first driving wheel, the first supporting base, the.

Detailed Description

In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration specific embodiments in which the invention may be practiced. In this regard, directional terminology, such as "top," "bottom," "left," "right," "up," "down," etc., is used with reference to the orientation of the figures being described. Because components of embodiments can be positioned in a number of different orientations, the directional terminology is used for purposes of illustration and is in no way limiting. It is to be understood that other embodiments may be utilized and logical changes may be made without departing from the scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is defined by the appended claims.

Fig. 1 shows a schematic structural diagram of a swing mechanism for a baby care robot according to an embodiment of the present invention, as shown in fig. 1, the swing mechanism includes a first swing arm 1, a second swing arm 2, a servo motor 3, a first cradle hanging rail 4, a second cradle hanging rail 5 and a supporting base, the first swing arm 1 and the second swing arm 2 are disposed on the supporting base in parallel, the first swing arm 1 is fixedly provided with a first driving wheel 11 and a first driven wheel 13, the first driving wheel 11 and the first driven wheel 13 are respectively disposed at the front and rear ends of the first swing arm 1, the second swing arm 2 is fixedly provided with a second driving wheel 21 and a second driven wheel 23, the second driving wheel 21 and the second driven wheel 23 are respectively disposed at the front and rear ends of the second swing arm 2, the first hanging rail 4 and the second cradle hanging rail 5 are respectively disposed at the first driving wheel 11 and/or the first driven wheel 13, The second driving wheel 21 and/or the second driven wheel 23 are fixedly connected with the first swing arm 1 and the second swing arm 2, the first driving wheel 11 and the second driving wheel 21 are fixed on the driving shaft 31 and are connected with the servo motor 3 through the driving shaft 31, and two fixing points are formed on the first swing arm 1 and the second swing arm 2 by means of the arrangement of the first driving wheel 11, the first driven wheel 13, the second driving wheel 21 and the second driven wheel 23, so that the guiding effect is provided for the first swing arm 1 and the second swing arm 2. The servo motor 3 drives the driving shaft 31 to rotate, so as to drive the first driving wheel 11 and the second driving wheel 21 to rotate, drive the first swing arm 1 and the second swing arm 2 to swing, and simultaneously drive the first driven wheel 13 and the second driven wheel 23 to rotate, so that the rotary motion of the servo motor 3 is converted into the coaxial linear motion of the first swing arm 1 and the second swing arm 2. The first cradle hanging rail 4 and the second cradle hanging rail 5 in the cradle support piece are respectively fixedly connected with the first swing arm 1 and the second swing arm 2 through the first L-shaped connecting piece 41 and the second L-shaped connecting piece 51, and a stable two-point fixed cradle support piece structure is formed by means of the structure of the L-shaped connecting pieces, so that the first cradle hanging rail 4 and the second cradle hanging rail 5 form a stable swinging mechanism with the first swing arm 1 and the second swing arm 2.

In a specific embodiment, the servo motor 3 is disposed on one side of the first support base 12, a bevel gear is disposed at an end of a rotating shaft of the servo motor 3, another bevel gear engaged with the bevel gear is disposed on the driving shaft 31, and rotation of the servo motor 3 in a horizontal direction is converted into rotation of the driving shaft 31 perpendicular to the horizontal direction through cooperation of the two bevel gears, so as to drive the two driving wheels to rotate to drive the swing arm.

In a specific embodiment, the support base comprises a first support base 12 and a second support base 22, the first support base 12 is composed of a first slide rail arranged at the bottom and a parallel support plate arranged on the first slide rail, a first guide groove is formed between the two support plates, the second support base 22 is composed of a second slide rail arranged at the bottom and a support plate arranged at two sides of the second slide rail and parallel to each other, a second guide groove is formed between the two support plates, the arrangement of the first guide groove and the second guide groove is used for regulating the swing direction of the first swing arm 1 and the second swing arm 2, the bottom parts of the first slide rail and the second slide rail are also provided with rotating wheels, and by means of the arrangement of the rotating wheels, not only support points are provided for the first swing arm 1 and the second swing arm 2, and meanwhile, when the swing mechanism works, the friction force between the first swing arm 1 and the second swing arm 2 and between the first sliding rail and the second sliding rail is reduced. Preferably, both ends of the driving shaft 31 are rotatably provided on the first and

second support bases

12 and 22.

In specific embodiment, the side at both ends is provided with two spacing posts 14 respectively around first swing arm 1, distance between two spacing posts 14 is greater than the length of first support base 12, make when the wabbler mechanism horizontal hunting, two spacing posts 14 can block respectively in first support base 12 left and right sides, it is preferred, be provided with the silica gel strip on first support base 12 left and right sides limit, be used for alleviateing the impact between spacing post 14 and the first support base 12, improve whole wabbler mechanism's stability, replaceable, except that using the silica gel strip can also use sponge piece etc. can realize equally the technical effect of the utility model. Conceivably, the corresponding positions of the side edges at the front end and the rear end of the second swing arm 2 are also provided with the limiting columns 14, and the distance between the two limiting columns 14 is greater than the length of the second support base 22, which is the same as the effect and action of the two limiting columns 14 at the side edge of the first swing arm 1, and the description is omitted here. When first swing arm 1 and second swing arm 2 coaxial motion, it is further spacing by four spacing posts of first swing arm 1 side and second swing arm 2 both sides, avoid the wabbler mechanism to sway the range inequality, cause the unstability of whole shaking table.

In a specific embodiment, the first swing arm 1 and the second swing arm 2 are arc-shaped tooth-shaped structures, gear teeth meshed with the arc-shaped tooth-shaped structures are arranged on the outer circumferences of the first driving wheel 11 and the second driving wheel 21, gear teeth meshed with the arc-shaped tooth-shaped structures are also arranged on the outer circumferences of the first driven wheel 13 and the second driven wheel 23, and the first swing arm 1 and the second swing arm 2 are driven to swing more stably through meshing of the tooth shapes and the gear teeth.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit and scope of the invention. In this way, if these modifications and changes are within the scope of the claims of the present invention and their equivalents, the present invention is also intended to cover these modifications and changes. The word "comprising" does not exclude the presence of other elements or steps than those listed in a claim. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Any reference signs in the claims shall not be construed as limiting the scope.

Claims

1. The swing mechanism for the baby nursing robot is characterized by comprising a first swing arm, a second swing arm, a synchronous driving assembly and a supporting base, wherein the first swing arm and the second swing arm are arranged on the supporting base in parallel, the driving assembly comprises a transmission shaft, a first driving wheel and a second driving wheel, the transmission shaft is rotatably arranged on the supporting base in a penetrating mode, the first driving wheel and the second driving wheel are fixed on the transmission shaft and are respectively matched with the first swing arm and the second swing arm for transmission, and the transmission shaft drives the first driving wheel and the second driving wheel to rotate so as to drive the first swing arm and the second swing arm to move synchronously.

2. The rocking mechanism for an infant nursing robot of claim 1, wherein the first and second swing arms are arc-shaped toothed structures, and gear teeth engaged with the arc-shaped toothed structures are provided on outer circumferences of the first and second drivers.

3. The rocking mechanism for an infant nursing robot of claim 1, wherein the support base includes a first support base and a second support base, a guide groove for the first swing arm and/or the second swing arm to move is provided in the first support base and/or the second support base, and both ends of the transmission shaft are rotatably provided on the first support base and the second support base.

4. The rocking mechanism for an infant care robot according to claim 3, wherein the support base further comprises a first slide rail, a second slide rail, and a rotating wheel, the first slide rail and/or the second slide rail being disposed within the guide slot and supporting the first swing arm and/or the second swing arm, the rotating wheel being disposed on the first slide rail and the second slide rail.

5. The rocking mechanism for an infant nursing robot of claim 3, wherein the side edges of the first swing arm and/or the second swing arm are respectively provided with two limit posts.

6. The rocking mechanism for an infant care robot of claim 5, wherein a horizontal distance between the restraint posts on the first and/or second swing arms is greater than a length of the first and/or second support bases.

7. The rocking mechanism for an infant care robot of claim 1, further comprising a cradle support disposed above the first drive wheel and the second drive wheel and fixedly connected to the first swing arm and the second swing arm.

8. The rocking mechanism for an infant nursing robot of claim 7, wherein the cradle support includes a first cradle hanging rail, a second cradle hanging rail and an L-shaped connector, the first cradle hanging rail and/or the second cradle hanging rail being fixedly connected with the first swing arm and/or the second swing arm through the L-shaped connector.

9. The rocking mechanism for an infant care robot according to claim 1, wherein the first drive wheel and/or the second drive wheel is/are provided on one side of the first swing arm and/or the second swing arm, and the other side of the first swing arm and/or the second swing arm is/are provided with a first driven wheel and/or a second driven wheel which engage with the first swing arm and/or the second swing arm.

10. The rocking mechanism for an infant nursing robot of claim 1 further including a servo motor having a drive end coupled to the drive shaft.