Bidirectional back-and-forth reciprocating mechanism and baby care device
The baby rocker achieves bidirectional reciprocating motion through a set of drive mechanisms, solving the problem of high cost of traditional baby rockers. It has a compact structure and low noise, improving the user experience of baby care equipment.
Patent Information
- Application Number
- CN202310713580.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-15
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2043-06-15
AI Technical Summary
Traditional baby rockers require two sets of drive components to move in two different directions, resulting in high costs and complex structures.
A set of drive mechanisms is adopted, including a power source, a first drive component and a second drive component. The bidirectional reciprocating motion of the mounting base is realized through a gearbox and a motor. The friction and noise are reduced by using an eccentric slider and rolling elements.
It reduces costs, has a compact structure, low noise, and improves user experience and stability, making it suitable for baby care equipment.
Smart Images

Figure CN116636716B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the technical field of baby products, and in particular to a bidirectional reciprocating motion mechanism and baby care. Background Technology
[0002] In the care of infants and young children, baby care equipment is widely used. Common baby care equipment includes rocking chairs, cradles and other equipment used to care for infants and young children. Traditional baby rocking chairs are mostly manually operated, which is not only troublesome to use, but also requires a lot of effort to swing and has a limited swinging method.
[0003] To address the aforementioned issues, some motor-driven rocking chairs have emerged on the market. The rocking motion is entirely driven by the motor, thus freeing up manpower and relieving the pressure on infant caregivers. For example, the existing patent CN207202583U discloses an electric intelligent baby rocking chair that can simultaneously drive the rocking chair to move vertically and horizontally, i.e., it can drive the rocking chair to move in two directions. However, this rocking chair uses two sets of drive components to drive the rocking chair in each direction separately, resulting in a high cost. Therefore, this application provides a mechanism that uses a single drive component to drive the rocking chair in both directions. Summary of the Invention
[0004] Based on this, the purpose of this invention is to provide a bidirectional reciprocating motion mechanism that has only one set of drive mechanisms to reduce costs; this invention also provides an infant care method.
[0005] The above-mentioned objective of this invention is achieved through the following technical solution: A bidirectional reciprocating motion mechanism, comprising: Base; Mounting bracket, which is located above the base; The driving mechanism is disposed between the base and the mounting base, and is used to simultaneously drive the mounting base to move in a first direction and a second direction.
[0006] The present invention is further configured such that: the driving mechanism includes a power source, a first driving component for driving movement in a first direction and a second driving component for driving movement in a second direction, wherein the power source is connected to the first driving component and the second driving component respectively.
[0007] The present invention is further configured such that: the driving mechanism further includes a housing, the power source is disposed in the housing, the first driving component is located at the bottom of the housing, and the second driving component is located at the top of the housing.
[0008] The present invention is further configured such that: the first drive assembly includes a first drive disk mounted on the housing and a first drive slot disposed on the base, wherein the first drive disk and the first drive slot are movably connected.
[0009] The present invention is further configured such that: the surface of the first drive disk is provided with a first slider, the first slider is eccentrically disposed with the first drive disk, and the first slider can be slidably locked in the first drive groove.
[0010] The present invention is further configured such that: the second drive assembly includes a second drive disk mounted on the housing and a second drive slot disposed on the mounting base, the second drive disk and the second drive slot being movably connected.
[0011] The present invention is further configured such that: the second drive disk is provided with a second slider, the second slider is eccentrically disposed with respect to the second drive disk, and the second slider can be slidably locked into the second drive groove.
[0012] The present invention is further configured such that: the first driving component includes a first driving disk, the second driving component includes a second driving disk; the power source includes a gearbox and a motor connected to the gearbox, the gearbox is provided with two output shafts, and the two output shafts are respectively drivably connected to the first driving disk and the second driving disk.
[0013] The present invention is further configured such that: the base is provided with two first tracks, and the driving mechanism includes a housing, the housing being located between the two first tracks and being movably connected to the two first tracks respectively.
[0014] The present invention is further configured such that: the side wall of the box is provided with at least two sets of first rolling elements, and the box is movably connected to the first track through the first rolling elements.
[0015] The present invention is further configured such that: the first rolling element includes two first rollers mounted on the housing, the first track is located between the two first rollers, and both first rollers abut against the first track; there is a gap between the first rollers and the base.
[0016] The present invention is further configured such that: first rail grooves are provided on both sides of the first rail, the first rail grooves are arranged along the length direction of the first rail, and the first roller is placed in the first rail groove.
[0017] The present invention is further configured such that: the driving mechanism includes a first driving groove disposed on the base, the first driving groove being elongated and the first driving groove being disposed at an angle to the first track.
[0018] The present invention is further configured such that: the driving mechanism includes a housing, the top of the housing is provided with two sets of second rolling elements, and the second driving component is located between the two sets of second rolling elements; the bottom of the mounting base is provided with two second tracks, and the two second tracks are respectively movably connected to the two sets of second rolling elements.
[0019] The invention is further configured such that: each of the two sets of second rolling elements includes a connector and roller assemblies disposed on both sides of the connector, and the two ends of the second track abut against the roller assemblies respectively; the roller assembly includes two second rollers, the second track is located between the two second rollers and abuts against the two second rollers respectively, and the second track is located above the housing.
[0020] The present invention is further configured such that: second rail grooves are provided on both sides of the second rail, the second rail grooves are arranged along the length direction of the second rail, and the second roller is movably locked in the second rail groove.
[0021] The present invention is further configured such that: the driving mechanism includes a second driving groove disposed on the mounting base, the second driving groove being elongated and the second driving groove being disposed at an angle to the second track.
[0022] The second objective of this invention is achieved through the following technical solution: An infant care device includes the aforementioned bidirectional reciprocating motion mechanism, and further includes a support device for supporting an infant, the support device being mounted on top of the mounting base.
[0023] In summary, the beneficial technical effects of the present invention are as follows: This invention provides a bidirectional reciprocating motion mechanism. Compared with existing technologies, it uses a single drive mechanism to simultaneously drive the mounting base in both a first and a second direction. Because only one drive mechanism (i.e., only one motor) is used, the manufacturing cost is effectively reduced. Furthermore, the single drive mechanism allows for a more compact overall structure, enabling the mechanism to move the mounting base in both directions while maintaining a smaller overall size, further reducing costs.
[0024] The first direction and the second direction are located in two planes respectively. The plane containing the first direction is parallel to the plane containing the second direction. The first direction and the second direction can be parallel or at an angle. The first direction and the second direction are preferably perpendicular.
[0025] The power source drives the housing to move in the first direction through the first drive assembly, and drives the mounting base to move in the second direction through the second drive assembly. Since the mounting base is set on the housing, the power source can drive the mounting base to move in both directions at the same time. The mounting base usually moves back and forth in a figure-eight pattern. Those skilled in the art can change the movement path of the mounting base by changing the position of the slider in the first drive disk and the second drive disk.
[0026] The housing is connected to the first track via multiple sets of first rolling elements. Since each first rolling element includes two first rollers that clamp and contact the first track, misalignment of the two first rollers on the first track is effectively limited, thus improving the stability and balance of the housing's movement relative to the first track and reducing noise. The first rolling elements convert the sliding friction between the housing and the first track into rolling friction, further reducing energy consumption and noise. The housing is connected to the second track of the mounting base via second rolling elements. Each second rolling element includes two second rollers that clamp and contact the second track, effectively limiting misalignment of the two second rollers on the second track. This further improves the stability and balance of the housing's movement relative to the second track and reduces noise. The second rolling elements also convert the sliding friction between the housing and the second track into rolling friction, further reducing energy consumption and noise. This overall improves the stability and balance of the mounting base's movement in both directions, enhancing the user experience. Furthermore, it offers the advantage of low noise, which is beneficial for infant care.
[0027] The present invention also provides an infant care device, which includes the above-described mechanism.
[0028] To better understand and implement this invention, the following detailed description is provided in conjunction with the accompanying drawings. Attached Figure Description
[0029] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. To better illustrate this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.
[0030] Figure 1 This is a schematic diagram of the structure of the infant care device of the present invention.
[0031] Figure 2 This is a schematic diagram of the bidirectional reciprocating motion mechanism of the present invention.
[0032] Figure 3 This is an exploded view of the bidirectional reciprocating motion mechanism of the present invention.
[0033] Figure 4 This is an exploded view of the bidirectional reciprocating motion mechanism of the present invention.
[0034] Figure 5 This is an exploded view of the bidirectional reciprocating motion mechanism of the present invention (with the housing hidden).
[0035] In the diagram, 1 is the base; 11 is the base plate; 12 is the support seat; 13 is the first track; 131 is the first track groove; 2 is the mounting seat; 21 is the second track; 211 is the second track groove; 3 is the drive mechanism; 4 is the power source; 41 is the gearbox; 411 is the output shaft; 42 is the motor; 5 is the first drive assembly; 51 is the first drive disc; 511 is the first slider; 52 is the first drive groove; 6 is the second drive assembly; 61 is the second drive disc; 611 is the second slider; 62 is the second drive groove; 7 is the housing; 8 is the first rolling element; 81 is the first roller; 9 is the second rolling element; 91 is the connecting element; 92 is the roller assembly; 921 is the second roller; and 10 is the support device. Detailed Implementation
[0036] The directional terms such as up, down, left, right, front, back, front, back, top, and bottom mentioned or possibly used in this specification are defined relative to their structure and are relative concepts. Therefore, they may vary depending on their location and usage. Consequently, these or other directional terms should not be interpreted as restrictive.
[0037] The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. Rather, they are merely examples of embodiments consistent with some aspects of this disclosure.
[0038] The terminology used in this disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The singular forms “a,” “the,” and “the” as used herein are also intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.
[0039] The present invention will be further described in detail below with reference to the accompanying drawings.
[0040] Reference Figures 1 to 5This invention discloses a bidirectional reciprocating motion mechanism, comprising a base 1, a mounting base 2, and a drive mechanism 3. The mounting base 2 is located above the base 1, and the drive mechanism 3 is disposed between the base 1 and the mounting base 2. The drive mechanism 3 is used to simultaneously drive the mounting base 2 in a first direction and a second direction. Compared with the prior art, by using a single drive mechanism 3 to simultaneously drive the mounting base 2 in both directions, the cost can be effectively reduced due to the use of only one drive mechanism 3, i.e., only one motor 42. Because only one drive mechanism 3 is used, the overall structure of the bidirectional reciprocating motion mechanism is more compact. While satisfying the requirement of driving the mounting base 2 in two directions, the bidirectional reciprocating motion mechanism can be made smaller, further reducing costs. The first and second directions are located in two planes, wherein the plane containing the first direction is parallel to the plane containing the second direction; the first and second directions can be parallel, or they can be at an angle, and preferably they are perpendicular.
[0041] In some embodiments, the drive mechanism 3 includes a power source 4, a first drive component 5 for driving movement in a first direction, a second drive component 6 for driving movement in a second direction, and a housing 7. The power source 4 is disposed inside the housing 7, and the first drive component 5 and the second drive component 6 are respectively disposed at the bottom and top of the housing 7. The power source 4 is connected to the first drive component 5 and the second drive component 6, so that the power source 4 can simultaneously drive the first drive component 5 and the second drive component 6 to move.
[0042] Furthermore, the first drive assembly 5 includes a first drive disk 51 installed at the bottom of the housing 7 and a first drive groove 52 disposed on the base 1. The base 1 includes a base plate 11, the first drive groove 52 is disposed on the base plate 11, and the housing 7 is located above the base plate 11. The first drive disk 51 and the first drive groove 52 are movably connected. The power source 4 drives the first drive disk 51 to rotate. Since the first drive disk 51 and the first drive groove 52 are movably connected, the base plate 11 cannot move, that is, the first drive groove 52 cannot move, thereby driving the housing 7 to move relative to the base plate 11. The surface of the first drive disk 51 is provided with a first slider 511. The first slider 511 is located at the bottom of the first drive disk 51 and is eccentrically disposed with respect to the first drive disk 51. The first slider 511 can be slidably locked into the first drive groove 52, thereby realizing the movable connection between the first drive disk 51 and the first drive groove 52 through the first slider 511.
[0043] The second drive assembly 6 includes a second drive disk 61 mounted on the top of the housing 7 and a second drive groove 62 disposed on the mounting base 2. The second drive disk 61 and the second drive groove 62 are movably connected, with a gap between the drive assembly 61 and the housing 7. The power source 4 drives the second drive disk 61 to rotate. Since the second drive disk 61 and the second drive groove 62 are movably connected, and the mounting base 2 is positioned above the housing 7, the power source 4 drives the mounting base 2 to move relative to the housing 7. The second drive disk 61 has a second slider 611, which is eccentrically positioned to the second drive disk 61. The second slider 611 is slidably engaged within the second drive groove 62, allowing the second drive disk 61 to be movably connected to the second drive groove 62 via the second slider 611, and thus movably connected to the mounting base 2 via the second slider 611 and the second drive groove 62.
[0044] The first drive groove 52 and the second drive groove 62 are both elongated. The first drive groove 52 and the second drive groove 62 can be arranged in parallel or at an angle. The first drive groove 52 and the second drive groove 62 are preferably arranged perpendicularly. In order to optimize the movement range and movement path of the mounting base 2, this application adopts the first drive groove 52 and the second drive groove 62 being arranged perpendicularly.
[0045] The power source 4 includes a gearbox 41 and a motor 42 connected to the gearbox 41. Both the gearbox 41 and the motor 42 are installed inside the housing 7. The motor 42 can be connected to the gearbox 41 via two meshing gears, in which case the two gears are connected to both the motor 42 and the gearbox 41 respectively. Alternatively, the motor 42 can be connected to the gearbox 41 via two pulleys and a belt connecting the two pulleys, in which case the two pulleys are connected to both the motor 42 and the gearbox 41 respectively. The motor 42 can also be connected to the gearbox 41 in other ways, such as via two sprockets and a chain connecting the two sprockets, which will not be repeated here. The gearbox 41 has two output shafts 411, located at the bottom and top of the gearbox 41 respectively, both extending from inside the housing 7 to outside the housing 7. The two output shafts 411 are drivably connected to the first drive disk 51 and the second drive disk 61 respectively. In order to realize that the two output shafts 411 are drivably connected to the first drive disk 51 and the second drive disk 61 respectively, the first drive disk 51 and the second drive disk 61 can both be set as first gears, and the ends of the two output shafts 411 can also be set as second gears. The first gear and the second gear mesh to realize that the two output shafts 411 are drivably connected to the first drive disk 51 and the second drive disk 61 respectively.
[0046] In some embodiments, the base 1 includes support seats 12 disposed on both sides of the base plate 11, and two first tracks 13 are connected between the two support seats 12. The two first tracks 13 are arranged in parallel, and there is a gap between the first tracks 13 and the base plate 11. The housing 7 is located between the two first tracks 13 and is movably connected to each of the two first tracks 13. The housing 7 moves along the length direction of the first track 13 because the mounting seat 2 is disposed on the housing 7 to drive the mounting seat 2 to move in the first direction. In order to reduce the friction between the housing 7 and the first track 13, a first rolling element 8 is provided between the housing 7 and the first track 13. At least two sets of the first rolling element 8 are provided. In this application, four sets of the first rolling element 8 are provided, of which two sets of the first rolling element 8 are disposed on one side of the housing 7 and movably connected to the first track 13, and the other two sets of the first rolling element 8 are disposed on the other side of the housing 7 and movably connected to another first track 13. The first rolling element 8 includes two first rollers 81 mounted on the side wall of the housing 7, with one first roller 81 positioned above the other, i.e., the two first rollers 81 are arranged vertically. A first track 13 is located between the two first rollers 81, with both first rollers 81 abutting against the first track 13 to improve the balance and stability of the housing 7 moving along the first track 13 via the two first rollers 81, thereby reducing noise. There is a gap between the first rollers 81 and the base 1. First track grooves 131 are provided on both sides of the first track 13, extending along its length. The first rollers 81 are engaged within the first track grooves 131, which prevent them from detaching from the first track 13, thus ensuring more regular and orderly reciprocating movement of the first rollers 81 on the first track 13. The first track 13 is angled relative to the first drive groove 52, preferably perpendicular to it.
[0047] In some embodiments, the top of the housing 7 is provided with two sets of second rolling elements 9, and the second drive assembly 6 is located between the two sets of second rolling elements 9; the bottom of the mounting base 2 is provided with two second tracks 21, which are arranged in parallel and are movably connected to the two sets of second rolling elements 9 respectively. That is, the two ends of one second track 21 are movably connected to the two sets of second rolling elements 9 respectively, and the two ends of the other second track 21 are movably connected to the two sets of second rolling elements 9 respectively. The second rolling elements 9 transform the sliding friction between the second track 21 and the housing 7 into rolling friction, which not only reduces noise but also reduces energy consumption. Both sets of second rolling elements 9 include a connector 91 and roller assemblies 92 disposed on both sides of the connector 91. The connector 91 protrudes from the top of the housing 7. The two ends of the second track 21 abut against the roller assembly 92 respectively, so that the connector 91 is movably connected to the second track 21 through the roller assembly 92. The roller assembly 92 includes two second rollers 921. One second roller 921 is located above the housing 7, and the other second roller 921 is located inside the housing 7, and the peripheral wall of the second roller 921 can be located above the top of the housing 7, that is, the top of the second roller 921 is located above the housing 7. The second track 21 is located between the two second rollers 921 and abuts against the two second rollers 921 respectively, so that the second track 21 is connected to the two second rollers 921. The second track 21 is located above the housing 7 and has a gap with the housing 7. The second track 21 has second track grooves 211 on both sides, which are arranged along the length of the second track 21. The second roller 921 is movably locked in the second track groove 211 to prevent the second roller 921 from coming out of the second track groove 211. This makes the movement of the second roller 921 on the second track 21 more regular and efficient, thereby improving balance and stability and reducing noise. In addition, it also prevents the second roller 921 from coming off the second track 21. The second drive groove 62 is set at an angle to the second track 21, and the second drive groove 62 is preferably set perpendicular to the second track 21.
[0048] In some embodiments, the base 1 is also provided with a cover (not shown in the figure), which covers the first track 13.
[0049] The present invention also provides an infant care device, which includes the above-mentioned bidirectional reciprocating motion mechanism, and further includes a support device 10 for supporting infants and young children, the support device 10 being mounted on the top of the mounting base 2.
[0050] The embodiments described herein are preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape, and principle of the present invention should be covered within the scope of protection of the present invention.
Claims
1. A bidirectional reciprocating motion mechanism, characterized in that, include: Base (1); Mounting base (2), which is located above the base (1); and a drive mechanism (3), the drive mechanism (3) being disposed between the base (1) and the mounting base (2), the drive mechanism (3) being used to simultaneously drive the mounting base (2) to move in a first direction and a second direction; The drive mechanism (3) includes a power source (4), a first drive component (5) for driving movement in a first direction, and a second drive component (6) for driving movement in a second direction. The power source (4) is connected to the first drive component (5) and the second drive component (6) respectively. The drive mechanism (3) includes a housing (7), the top of which is provided with two sets of second rolling elements (9), and the second drive assembly (6) is located between the two sets of second rolling elements (9); the bottom of the mounting base (2) is provided with two second tracks (21), and the two second tracks (21) are movably connected to the two sets of second rolling elements (9) respectively. The first drive assembly (5) includes a first drive disk (51) installed on the housing (7) and a first drive groove (52) disposed on the base (1), wherein the first drive disk (51) and the first drive groove (52) are movably connected. The second drive assembly (6) includes a second drive disk (61) installed in the housing (7) and a second drive groove (62) disposed in the mounting base (2), wherein the second drive disk (61) and the second drive groove (62) are movably connected; The base (1) is provided with two first tracks (13), and the box (7) is located between the two first tracks (13) and is movably connected to the two first tracks (13); The side wall of the box (7) is provided with at least two sets of first rolling elements (8), and the box (7) is movably connected to the first track (13) through the first rolling elements (8).
2. The bidirectional reciprocating motion mechanism according to claim 1, characterized in that: The power source (4) is located inside the housing (7), the first drive assembly (5) is located at the bottom of the housing (7), and the second drive assembly (6) is located at the top of the housing (7).
3. The bidirectional reciprocating motion mechanism according to claim 1, characterized in that: The first drive disk (51) has a first slider (511) on its surface. The first slider (511) is eccentrically disposed with respect to the first drive disk (51). The first slider (511) can be slidably placed in the first drive groove (52).
4. A bidirectional reciprocating motion mechanism according to claim 1 or 2, characterized in that: The second drive disk (61) is provided with a second slider (611), the second slider (611) is eccentrically disposed with the second drive disk (61), and the second slider (611) can be slidably locked in the second drive groove (62).
5. The bidirectional reciprocating motion mechanism according to claim 2, characterized in that: The first drive assembly (5) includes a first drive disk (51), and the second drive assembly (6) includes a second drive disk (61); the power source (4) includes a gearbox (41) and a motor (42) connected to the gearbox (41). The gearbox (41) is provided with two output shafts (411), and the two output shafts (411) are respectively drivably connected to the first drive disk (51) and the second drive disk (61).
6. The bidirectional reciprocating motion mechanism according to claim 1, characterized in that: The first rolling element (8) includes two first rollers (81) mounted on the housing (7), the first track (13) is located between the two first rollers (81), and both first rollers (81) abut against the first track (13); there is a gap between the first rollers (81) and the base (1).
7. The bidirectional reciprocating motion mechanism according to claim 6, characterized in that: The first track (13) has first track grooves (131) on both sides. The first track grooves (131) are arranged along the length of the first track (13), and the first roller (81) is inserted into the first track groove (131).
8. The bidirectional reciprocating motion mechanism according to claim 1, characterized in that: The drive mechanism (3) includes a first drive groove (52) disposed on the base (1). The first drive groove (52) is elongated and is angled to the first track (13).
9. The bidirectional reciprocating motion mechanism according to claim 1, characterized in that: Both sets of second rolling elements (9) include a connector (91) and roller assemblies (92) disposed on both sides of the connector (91). The two ends of the second track (21) abut against the roller assembly (92) respectively. The roller assembly (92) includes two second rollers (921). The second track (21) is located between the two second rollers (921) and abuts against the two second rollers (921) respectively. The second track (21) is located above the housing (7).
10. A bidirectional reciprocating motion mechanism according to claim 9, characterized in that: The second track (21) has second track grooves (211) on both sides. The second track grooves (211) are arranged along the length of the second track (21). The second roller (921) is movably locked in the second track groove (211).
11. The bidirectional reciprocating motion mechanism according to claim 1, characterized in that: The drive mechanism (3) includes a second drive groove (62) disposed on the mounting base (2). The second drive groove (62) is elongated and is angled to the second track (21).
12. An infant care device, characterized in that: The device includes a bidirectional reciprocating motion mechanism as described in any one of claims 1-11, and also includes a support device (10) for supporting infants and young children, the support device (10) being mounted on top of the mounting base (2).
Citation Information
Patent Citations
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CN207202583U
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