CN210611661U - Driving device of electric cradle - Google Patents

Abstract

A driving device of an electric cradle comprises a left-right moving mechanism and a rotating mechanism, wherein the left-right moving mechanism comprises two guide rails, a bedplate and a first driving assembly which are arranged on the two guide rails, rollers are respectively arranged on four corners of the bedplate, the first driving assembly comprises a first motor, a speed reducer and a large gear which are positioned on the right side of the bedplate, the first motor is also arranged on the left side of the bedplate, the first motor is connected with the speed reducer, the speed reducer is connected with the large gear, an eccentric rod is arranged on the large gear, a connecting rod No. 1 is hinged on the eccentric rod, one end of the connecting rod No. 1 penetrates through the lower part of the bedplate and then is rotationally connected with a connecting rod shaft neck on the lower part of the first crankshaft, a connecting rod No. 2 is; the rotating mechanism comprises a rotating disk and a second motor, the rotating disk is mounted on the bedplate, wheels capable of rolling on the bedplate are mounted at the bottom of the rotating disk, the second motor is fixed on the bedplate, and an output shaft of the second motor is in transmission connection with a shaft core of the rotating disk.

Description

Driving device of electric cradle

Technical Field

The utility model relates to an accessory of a baby cradle, in particular to a driving device of an electric cradle.

Background

The cradle is the necessary bedding for each baby, and the baby can play, sleep and the like in the cradle. Most of cradle in the current market are in a hand-operated type, and electric cradles are gradually increased, but the structure is simple, and the cradle can only swing back and forth or in the left and right direction, so that the requirement can not be well met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a driving device of an electric cradle, which can lead the cradle to realize the movement in a plurality of directions.

In order to solve the technical problem, the utility model discloses a following technical scheme: a driving device of an electric cradle comprises a left-right moving mechanism and a rotating mechanism; the left-right moving mechanism comprises two guide rails which are arranged in tandem and oppositely, a bedplate and a first driving assembly, wherein the bedplate is arranged on the two guide rails, the first driving assembly drives the bedplate to move, rollers are arranged on four corners of the bedplate respectively, the first driving assembly comprises a first motor, a speed reducer and a large gear which are positioned on the right side of the bedplate, and a first crankshaft which is positioned on the left side of the bedplate, an output shaft of the first motor is connected with the speed reducer, an output end of the speed reducer is connected with the large gear, an eccentric rod is arranged on the large gear, a No. 1 connecting rod is hinged on the eccentric rod, one end of the No. 1 connecting rod penetrates through the lower part of the bedplate and then is rotationally connected with a connecting rod journal on the lower part of the first crankshaft, the connecting rod journal on the upper part of the first; the rotating mechanism comprises a rotating disk arranged on the bedplate and a second motor driving the rotating disk to rotate, a plurality of wheels capable of rolling on the bedplate are mounted at the bottom of the rotating disk, the second motor is fixed on the bedplate, and an output shaft of the second motor is in transmission connection with a shaft core of the rotating disk.

Further, the driving device of the electric cradle further comprises a lifting mechanism, the lifting mechanism comprises a supporting plate located above the rotating disk, the bottoms of the supporting plate are hinged with a front supporting frame and a rear supporting frame in tandem, the bottom ends of the front supporting frame and the rear supporting frame can slide back and forth on the rotating disk, so that the bottom ends of the front supporting frame and the rear supporting frame are close to or away from each other, when the bottom ends of the front supporting frame and the rear supporting frame are close to each other, the front supporting frame and the rear supporting frame lift the supporting plate to ascend, and when the bottom ends of the front supporting frame and the rear supporting frame are away from each other, the front supporting frame and the rear supporting frame pull the supporting plate to descend.

Furthermore, the front support frame and the rear support frame respectively comprise two support rods which are oppositely arranged, a transverse rod which is transversely hinged between the two support rods and two pulleys which are respectively connected to the bottom ends of the two support rods, a sliding rail for the pulleys to move back and forth is arranged on the rotating disk, a third motor, a second crankshaft, a No. 3 connecting rod and a No. 4 connecting rod are arranged between the front support frame and the rear support frame, the third motor is vertically arranged on the rotating disk, an output shaft of the third motor is in transmission connection with the second crankshaft, one end of the No. 3 connecting rod is in rotary connection with a connecting rod journal of the second crankshaft, the other end of the connecting rod is hinged with the transverse rod of the front support frame, one end of the No. 4 connecting rod is in rotary connection with another connecting rod journal of the.

Still further, the guide rail is a guide rail with an L-shaped cross section.

Preferably, the speed reducer is a worm gear speed reducer.

The utility model provides an electric cradle's drive arrangement both can make the cradle carry out side-to-side motion and rotary motion, can also realize the seesaw of cradle through the combination of side-to-side motion and rotary motion, realize multiple motion modes such as "8 style of calligraphy motion", "wave motion", "oval motion" of cradle even, compare with traditional electric cradle, use electric cradle's drive arrangement in the invention can make the motion type of cradle richer, more can satisfy baby's demand. In addition, the utility model provides an electric cradle's drive arrangement can also drive the cradle and carry out the elevating movement to can realize "up-and-down slope motion" mode through the combination of side-to-side motion and elevating movement, can also realize other motion modes through the combination of rotary motion and elevating movement, all in a word, the utility model provides an electric cradle's drive arrangement's motion mode is very much, and the stationarity of this electric cradle's drive arrangement motion is also fine, and the baby lies and enjoy safely when following the cradle swing in the cradle.

Drawings

FIG. 1 is a perspective view of a driving device of an electric cradle according to the present invention;

FIG. 2 is a left side view of the driving device of the electric cradle according to the present invention;

FIG. 3 is a process diagram of the operation of the left and right moving mechanism of the electric cradle (each figure is a top view);

the reference signs are:

1-left and right moving mechanism 1 a-guide rail 1 b-bedplate

1 c-first electric machine 1 d-speed reducer 1 e-big gear

1 f-first crankshaft 1 g-No. 1 connecting rod 1 h-No. 2 connecting rod

2-rotating mechanism 2 a-rotating disk 2 b-second motor

2a 1-slide rail 3-lifting mechanism 3 a-supporting plate

3 b-front support frame 3 c-rear support frame 3 d-third electric machine

3 e-second crankshaft 3 f-No. 3 connecting rod 3 g-No. 4 connecting rod

301-support bar 302-cross bar 303-pulley.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.

As shown in fig. 1 to 3, a driving apparatus of an electric cradle includes a left-right moving mechanism 1 and a rotating mechanism 2;

the left-right moving mechanism 1 comprises two guide rails 1a which are arranged in tandem and oppositely, a bedplate 1b arranged on the two guide rails 1a and a first driving component for driving the bedplate 1b to move, rollers are respectively arranged on four corners of the bedplate 1b, the first driving component comprises a first motor 1c positioned on the right side of the bedplate 1b, the automatic transmission mechanism comprises a speed reducer 1d, a large gear 1e, a first crankshaft 1f positioned on the left side of a bedplate 1b, an output shaft of a first motor 1c is connected with the speed reducer 1d, the output end of the speed reducer 1d is connected with the large gear 1e, an eccentric rod is arranged on the large gear 1e, a No. 1 connecting rod 1g is hinged to the eccentric rod, one end of the No. 1 connecting rod 1g penetrates through the lower portion of the bedplate 1b and then is rotatably connected with a connecting rod journal at the lower portion of the first crankshaft 1f, the connecting rod journal at the upper portion of the first crankshaft 1f is rotatably connected with a No. 2 connecting rod 1h, and one end of the No. 2 connecting;

the rotating mechanism 2 comprises a rotating disk 2a arranged on the bedplate 1b and a second motor 2b driving the rotating disk 2a to rotate, a plurality of wheels capable of rolling on the bedplate 1b are mounted at the bottom of the rotating disk 2a, the second motor 2b is fixed on the bedplate 1b, and an output shaft of the second motor 2b is in transmission connection with a shaft core of the rotating disk 2 a.

When the driving device provided by the above embodiment is combined with a cradle which is installed on the rotating disc, the driving device can make the cradle realize various movements, which are specifically as follows:

1. move left and right

Starting a first motor 1c, driving a big gear 1e to rotate by a reducer 1d, driving a first crankshaft 1f to rotate by the big gear 1e through a No. 1 connecting rod 1g, driving a No. 2 connecting rod 1h to push and pull a bedplate 1b to move left and right on a guide rail 1a when the first crankshaft 1f rotates, and further driving a rotating disc 2a to move left and right along with the bedplate 1b so as to realize the left and right movement of the cradle;

2. rotating movement

The second motor 2b is started, the second motor 2b drives the rotating disc 2a to rotate, and the cradle rotates along with the rotating disc 2a, so that the rotating motion of the cradle is realized;

3. move back and forth

When the first motor 1c and the second motor 2b are started simultaneously, the bedplate 1b moves left and right on the guide rail 1a, the rotating disc 2a rotates relative to the bedplate 1b, the displacement generated when the rotating disc 2a rotates is synthesized by the displacement in the left-right direction and the displacement in the front-back direction, and the displacement generated when the bedplate 1b moves left and right can offset the displacement generated when the rotating disc 2a moves in the left-right direction, therefore, when the bedplate 1b and the rotating disc 2a move together, the movement in the front-back direction is finally converged, so that the cradle 2 moves in the front-back direction, in other words, when the rotating mechanism 2 and the left-right moving mechanism 1 work together, the cradle 2 can move in the front-back direction.

From the above, the driving device in this embodiment can not only make the cradle perform the left-right movement and the rotation movement, but also realize the movement of the cradle in the front-back direction by the combination of the left-right movement and the rotation movement, and even can realize the movement modes of the cradle, such as the 8-shaped movement, the wave-shaped movement, and the elliptical movement, by changing the operating rotation speeds of the first motor 1c and the second motor 2 b.

It should be noted that, in the process of driving the cradle to move by using the driving device, because the directions of the forces applied by the connecting rods 1g and 1h are different, the acting force of the whole transmission system is relatively balanced and the cradle operates stably, so that the vibration of the bedplate 3b is small, and the cradle 2 has good moving comfort.

In order to further increase the variety of the cradle movement, as shown in fig. 1 and 2, the driving device of the electric cradle further includes a lifting mechanism 3, the lifting mechanism 3 includes a support plate 3a located above the rotating disc 2a, the bottoms of the support plate 3a are hinged with a front support frame 3b and a rear support frame 3c respectively in tandem, the bottom ends of the front support frame 3b and the rear support frame 3c can slide back and forth on the rotating disc 2a to urge the bottom ends of the front support frame 3b and the rear support frame 3c to approach each other, when the bottom ends of the front support frame 3b and the rear support frame 3c approach each other, the front support frame 3b and the rear support frame 3c lift the support plate 3a to ascend, and when the bottom ends of the front support frame 3b and the rear support frame 3c are away from each other, the front support frame 3b and the rear support frame 3 c.

The front support frame 3b and the rear support frame 3c can be realized in various manners, here, preferably, each of the front support frame 3b and the rear support frame 3c includes two support rods 301 arranged oppositely, a cross rod 302 transversely hinged between the two support rods 301, and two pulleys 303 connected to the bottom ends of the two support rods 301, a slide rail 2a1 for the pulleys 303 to move back and forth is arranged on the rotary disk 2a, a third motor 3d, a second crankshaft 3e, a connecting rod 3f No. 3 and a connecting rod 3g No. 4 are installed between the front support frame 3b and the rear support frame 3c, the third motor 3d is vertically installed on the rotary disk 2a, an output shaft of the third motor 3d is in transmission connection with the second crankshaft 3e, one end of the connecting rod 3f No. 3 is rotatably connected with a connecting rod journal of the second crankshaft 3e, the other end is hinged with the cross rod 302 of the front support frame 3b, one end of the connecting rod 3g No. 4 is rotatably connected with, the other end is hinged with the cross bar 302 of the rear support frame 3 c.

The driving device of the electric cradle provided by the above embodiment can also drive the cradle to perform lifting movement, which is specifically as follows:

the third motor 3d is started, the third motor 3d drives the second crankshaft 3e to rotate, the connecting rod 3f of the number 3 and the connecting rod 3g of the number 4 push and pull the cross rod 302 of the front support frame 3b and the cross rod 302 of the rear support frame 3c to move respectively, so that the pulley 303 of the front support frame 3b and the pulley 303 of the rear support frame 3c are far away from or close to each other, when the supporting plate 3a is far away from the cross rod, the cradle moves downwards, when the supporting plate 3a is close to the cradle, the supporting plate 3a rises upwards, the cradle moves upwards, and the above operations are repeated, so that the cradle moves upwards and downwards.

Furthermore, the driving device can realize an 'up-down slope movement' mode (two ends are low and the middle is high or two ends are high and the middle is low) through the combination of left-right movement and lifting movement, and can also realize other movement modes through the combination of rotating movement and lifting movement, and the details are not further described here.

Preferably, the guide rail 1a of the left-right moving mechanism 1 is a guide rail 1a having an L-shaped cross section, and the reducer 1d is a worm reducer.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

In order to make it easier for those skilled in the art to understand the improvement of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and in order to clarify, some other elements have been omitted from this document, those skilled in the art should recognize that these omitted elements may also constitute the content of the present invention.

Claims (5)

1. The utility model provides a drive arrangement of electric cradle, includes and removes mechanism (1) about, its characterized in that: the device also comprises a rotating mechanism (2);

the left-right moving mechanism (1) comprises two guide rails (1 a) which are arranged in tandem and oppositely, a bedplate (1 b) arranged on the two guide rails (1 a) and a first driving assembly for driving the bedplate (1 b) to move, wherein four corners of the bedplate (1 b) are respectively provided with a roller wheel, the first driving assembly comprises a first motor (1 c) positioned on the right side of the bedplate (1 b), a speed reducer (1 d) and a large gear (1 e), the left side of the bedplate (1 b) is also provided with a first crankshaft (1 f), an output shaft of the first motor (1 c) is connected with the speed reducer (1 d), an output end of the speed reducer (1 d) is connected with the large gear (1 e), an eccentric rod is arranged on the large gear (1 e), a connecting rod (1 g) is hinged on the eccentric rod, one end of the connecting rod (1 g) penetrates through the lower part of the bedplate (1 b) and then is rotatably connected with a connecting rod journal on the lower part of the first crankshaft (1 f), a connecting rod journal at the upper part of the first crankshaft (1 f) is rotatably connected with a No. 2 connecting rod (1 h), and one end of the No. 2 connecting rod (1 h) is hinged with the left end of the bedplate (1 b);

the rotating mechanism (2) comprises a rotating disk (2 a) arranged on the bedplate (1 b) and a second motor (2 b) for driving the rotating disk (2 a) to rotate, a plurality of wheels capable of rolling on the bedplate (1 b) are mounted at the bottom of the rotating disk (2 a), the second motor (2 b) is fixed on the bedplate (1 b), and an output shaft of the second motor (2 b) is in transmission connection with a shaft core of the rotating disk (2 a).

2. The driving apparatus of electric cradle according to claim 1, wherein: also comprises a lifting mechanism (3), the lifting mechanism (3) comprises a bearing plate (3 a) positioned above the rotating disk (2 a), the bottom of the supporting plate (3 a) is respectively hinged with a front supporting frame (3 b) and a rear supporting frame (3 c) in tandem, the bottom ends of the front support frame (3 b) and the rear support frame (3 c) can slide back and forth on the rotating disc (2 a) so as to urge the bottom ends of the front support frame and the rear support frame to approach or separate from each other, when the bottom ends of the front support frame (3 b) and the rear support frame (3 c) are close to each other, the front support frame (3 b) and the rear support frame (3 c) lift the supporting plate (3 a) to ascend, when the bottom ends of the front support frame (3 b) and the rear support frame (3 c) are far away from each other, the front support frame (3 b) and the rear support frame (3 c) pull the supporting plate (3 a) to descend.

3. The driving apparatus of electric cradle according to claim 2, wherein: the front support frame (3 b) and the rear support frame (3 c) respectively comprise two support rods (301) which are oppositely arranged, a cross rod (302) which is transversely hinged between the two support rods (301) and two pulleys (303) which are respectively connected with the bottom ends of the two support rods (301), a rotary disk (2 a) is provided with a slide rail (2 a 1) for the pulleys (303) to move back and forth, a third motor (3 d), a second crankshaft (3 e), a No. 3 connecting rod (3 f) and a No. 4 connecting rod (3 g) are arranged between the front support frame (3 b) and the rear support frame (3 c), the third motor (3 d) is vertically arranged on the rotary disk (2 a), an output shaft of the third motor (3 d) is in transmission connection with the second crankshaft (3 e), one end of the No. 3 connecting rod (3 f) is in journal rotation connection with one connecting rod of the second crankshaft (3 e), the other end of the connecting rod (3 g) is hinged with a cross rod (302) of the front support frame (3 b), one end of the No. 4 connecting rod (3 g) is rotatably connected with the other connecting rod journal of the second crankshaft (3 e), and the other end of the connecting rod is hinged with the cross rod (302) of the rear support frame (3 c).

4. The driving apparatus of electric cradle according to claim 3, wherein: the guide rail (1 a) is a guide rail (1 a) with an L-shaped cross section.

5. The driving apparatus of electric cradle according to claim 4, wherein: the speed reducer (1 d) is a worm gear speed reducer.

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