CN220344064U - Vertical reciprocating motion mechanism and infant care equipment - Google Patents
Vertical reciprocating motion mechanism and infant care equipment Download PDFInfo
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- CN220344064U CN220344064U CN202321508040.8U CN202321508040U CN220344064U CN 220344064 U CN220344064 U CN 220344064U CN 202321508040 U CN202321508040 U CN 202321508040U CN 220344064 U CN220344064 U CN 220344064U
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Abstract
The utility model relates to a vertical reciprocating motion mechanism and infant care equipment, wherein the mechanism comprises a limiting piece, the limiting piece comprises a limiting cover and a limiting shaft, and the limiting shaft is positioned in the limiting cover and fixedly connected with the limiting cover; the movable cylinder is positioned in the limiting cover and penetrates through the limiting cover to extend out of the limiting cover, the limiting cover is used for limiting the rotation of the movable cylinder, and the movable cylinder is sleeved on the limiting shaft; the driving mechanism is in driving connection with the movable cylinder; and at least one first rolling element, at least one first rolling element is arranged between the movable cylinder and the limiting shaft. Compared with the prior art, the sliding friction between the movable cylinder and the limiting shaft is changed into rolling friction due to the first rolling piece, so that the balance and stability of the movable cylinder in vertical reciprocating motion are improved, and noise is reduced.
Description
Technical Field
The utility model relates to the technical field of infant products, in particular to a vertical reciprocating motion mechanism and infant care equipment.
Background
In the infant care process, the pressure of an infant care person is usually relieved through infant care equipment; common infant care equipment comprises rocking chairs, rocking platforms and the like.
Existing infant care apparatuses generally include at least one of a lateral movement mechanism and a vertical movement mechanism, such as those disclosed in the patent publication nos. CN207202583U and CN 104055355B. The vertical movement mechanisms of the two patents are similar, and noise is generated due to sliding friction and rolling friction, so that the vertical reciprocating movement mechanism and the care for infants are proposed, and the noise generated during movement of the vertical reciprocating movement mechanism is reduced.
Disclosure of Invention
Based on this, the utility model aims to provide a vertical reciprocating motion mechanism which has the advantage of low noise, and also provides infant care equipment.
The above object of the present utility model is achieved by the following technical solutions:
a vertical reciprocation mechanism comprising:
the limiting piece comprises a limiting cover and a limiting shaft, and the limiting shaft is positioned in the limiting cover and fixedly connected with the limiting cover;
the movable cylinder is positioned in the limiting cover and penetrates through the limiting cover to extend out of the limiting cover, the limiting cover is used for limiting the rotation of the movable cylinder, and the movable cylinder is sleeved on the limiting shaft;
the driving mechanism is in driving connection with the movable cylinder;
and at least one first rolling element, at least one first rolling element is arranged between the movable cylinder and the limiting shaft.
The utility model is further provided with: the driving mechanism comprises a driving cylinder, the driving cylinder and the movable cylinder can be driven and sleeved, the driving cylinder is positioned between the movable cylinder and the limiting cover, and a gap exists between the outer wall of the driving cylinder and the limiting cover.
The utility model is further provided with: a second rolling piece is arranged between the inner wall of the driving cylinder and the limiting cover, and the second rolling piece is positioned at one end of the driving cylinder.
The utility model is further provided with: the axis of the first rolling element and the axis of the second rolling element are positioned on the same straight line.
The utility model is further provided with: the limiting part further comprises a limiting seat, the limiting seat is arranged in the limiting cover, the limiting seat is fixedly connected with the limiting shaft, the limiting seat is provided with a connecting cylinder, and the driving cylinder is sleeved on the connecting cylinder and is located above the limiting seat.
The utility model is further provided with: and a third rolling piece is arranged between the driving cylinder and the connecting cylinder.
The utility model is further provided with: the axis of the second rolling element is positioned on the same straight line with the axis of the third rolling element.
The utility model is further provided with: the inner wall of the driving cylinder is provided with a driving groove, the driving groove is obliquely wound on the inner wall of the driving cylinder, the outer wall of the movable cylinder is provided with a sliding piece, and the sliding piece is clamped in the driving groove.
The utility model is further provided with: the driving cylinder comprises a cylinder body, a driving wheel fixed at the bottom of the cylinder body, a driving rod in transmission connection with the driving wheel and a motor for driving the driving rod to rotate.
An infant care apparatus comprising the vertical reciprocating mechanism described above.
In summary, the beneficial technical effects of the utility model are as follows:
compared with the prior art, the vertical reciprocating mechanism has the advantages that at least one first rolling element is arranged between the movable cylinder and the limiting shaft, and the first rolling element is a linear bearing, so that on one hand, the sliding friction between the movable cylinder and the limiting shaft is changed into rolling friction, the balance and the stability of the movable cylinder in vertical reciprocating motion are improved, the noise reduction is facilitated, on the other hand, the axis of the movable cylinder and the axis of the limiting shaft are in the same straight line, and the balance and the stability of the movable cylinder in vertical reciprocating motion relative to the limiting shaft are further improved, so that the noise is reduced.
There is the clearance between the outer wall of actuating cylinder and the limit cap to contact between limiting cap and the outer wall of limiting cylinder, thereby the noise that produces between limiting cap and the outer wall of limiting cylinder. Because be equipped with the second rolling member between the inner wall of actuating cylinder and the limiting cover, the axis of first rolling member is located same straight line with the axis of second rolling member, is equipped with the third rolling member between the connecting cylinder of actuating cylinder and spacing seat, and the axis of second rolling member is located same straight line with the axis of third rolling member for the axis of actuating cylinder, the axis of movable cylinder, the axis of fixed axle, the axis of fixed cover, the axis of first rolling member, the axis of second rolling member and the axis of third rolling member all are located same straight line, balance and stability when lifting actuating cylinder drives the movable cylinder to do vertical reciprocating motion in order to reduce the noise when movable cylinder moves. In addition, the third rolling element between the driving cylinder (driving wheel) and the connecting cylinder changes the sliding friction between the driving cylinder and the connecting cylinder into rolling friction, thereby playing a role in reducing noise.
The inside of the driving cylinder is provided with a driving groove, the movable cylinder is provided with a sliding piece used for being clamped in the driving groove, and because the movable cylinder is limited to rotate by the limiting cover, when the driving cylinder rotates, the driving cylinder drives the movable cylinder to do vertical reciprocating motion through the driving groove and the sliding piece.
For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.
Drawings
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Fig. 1 is a schematic structural view of a vertical reciprocation mechanism of the present utility model.
Fig. 2 is a cross-sectional view of the internal structure of fig. 1.
Fig. 3 is an exploded view of the vertical reciprocation mechanism of the present utility model.
In the figure, 1, a limiting piece; 11. a limiting cover; 111. a limiting hole; 12. a limiting shaft; 13. a limit seat; 131. a connecting cylinder; 132. a plug-in groove; 2. a movable cylinder; 21. a sliding member; 22. a movable rod; 3. a driving mechanism; 31. a drive cylinder; 311. a driving groove; 312. a cylinder; 313. a driving wheel; 32. a driving rod; 33. a motor; 4. a first rolling member; 5. a second rolling member; 6. and a third rolling member.
Detailed Description
Terms of orientation such as up, down, left, right, front, rear, front, back, top, bottom, etc. mentioned or possible mentioned in this specification are defined with respect to their construction, and they are relative concepts. Therefore, the position and the use state of the device may be changed accordingly. These and other directional terms should not be construed as limiting terms.
The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of implementations consistent with aspects of the present disclosure.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
The present utility model will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 3, a vertical reciprocating mechanism disclosed in the present utility model includes a limiting member 1, a movable barrel 2, a driving mechanism 3 and at least one first rolling member 4; the limiting piece 1 comprises a limiting cover 11, a limiting shaft 12 and a limiting seat 13, wherein the limiting shaft 12 and the limiting seat 13 are both positioned in the limiting cover 11, the limiting seat 13 is fixedly connected with the limiting cover 11, the limiting seat 13 is positioned below the limiting shaft 12, and two ends of the limiting shaft 12 are respectively fixedly connected with the limiting seat 13 and the limiting cover 11; the limit seat 13 is provided with a splicing groove 132, and the limit seat 13 is fixedly connected with the limit shaft 12 through the splicing groove 132. The movable cylinder 2 is positioned in the limiting cover 11 and extends out of the limiting cover 11 through the limiting cover 11, and the limiting cover 11 is used for limiting the rotation of the movable cylinder 2; wherein, the limiting cover 11 is provided with at least two limiting holes 111, and the at least two limiting holes 111 are positioned outside the axis of the limiting cover 11; the number of the limiting holes 111 can be set according to the requirement, for example, three limiting holes 111 are arranged in the utility model, and the three limiting holes 111 are arranged around the axis of the limiting cover 11; the end of the movable cylinder 2 is provided with movable rods 22, wherein, as shown in fig. 3, the movable rods 22 are positioned at the top of the movable cylinder 2, three movable rods 22 are arranged corresponding to three limiting holes 111, the three movable rods 22 penetrate through the limiting holes 111 to extend out of the limiting cover 11, and the hole walls of the limiting holes 111 are propped against the movable rods 22 to limit the rotation of the movable cylinder 2. The movable cylinder 2 is sleeved on the limiting shaft 12, and when the movable cylinder 2 is in contact with the limiting shaft 12, the movable cylinder 2 vertically reciprocates back and forth, and sliding friction between the movable cylinder 2 and the limiting shaft 12 can generate noise; when a gap exists between the movable cylinder 2 and the limiting shaft 12, the movable cylinder 2 does vertical back and forth reciprocating motion, and no noise is generated between the movable cylinder 2 and the limiting shaft 12. The driving mechanism 3 is in driving connection with the movable cylinder 2 and is used for driving the movable cylinder 2 to vertically reciprocate back and forth. The two first rolling elements 4 are arranged, the two first rolling elements 4 are arranged between the movable cylinder 2 and the limiting shaft 12, a gap exists between the two first rolling elements 4, and the first rolling elements 4 are linear bearings. Compared with the prior art, at least one first rolling element 4 is arranged between the movable cylinder 2 and the limiting shaft 12, the first rolling element 4 is a linear bearing, on one hand, sliding friction between the movable cylinder 2 and the limiting shaft 12 is changed into rolling friction so as to improve balance and stability of the movable cylinder 2 in vertical reciprocating motion, and reduce noise, and on the other hand, the axis of the movable cylinder 2 and the axis of the limiting shaft 12 are in the same straight line, so that balance and stability of the movable cylinder 2 in vertical reciprocating motion relative to the limiting shaft 12 are further improved, and noise is reduced.
In some embodiments, the driving mechanism 3 includes a driving cylinder 31, the driving cylinder 31 and the movable cylinder 2 can be driven to be sleeved, when the driving cylinder 31 rotates, the movable cylinder 2 is driven to move, and the limiting cover 11 limits the movable cylinder 2 to rotate, so that the movable cylinder 2 performs vertical back and forth reciprocating motion; the driving cylinder 31 is positioned between the movable cylinder 2 and the limiting cover 11, and a gap exists between the outer wall of the driving cylinder 31 and the limiting cover 11 so as to limit the contact between the outer wall of the driving cylinder 31 and the limiting cover 11, thereby limiting noise generated by friction between the outer wall of the driving cylinder 31 and the limiting cover 11; of course, those skilled in the art may also set the movable cylinder 2 between the driving cylinder 31 and the limiting cover 11, and a gap exists between the outer wall of the movable cylinder 2 and the limiting cover 11; as shown in fig. 2, the driving cylinder 31 is sleeved on the movable cylinder 2 and is positioned between the movable cylinder 2 and the limiting cover 11 to explain the technical means of the utility model. The second rolling element 5 is arranged between the inner wall of the driving cylinder 31 and the limiting cover 11, the second rolling element 5 is positioned at one end of the driving cylinder 31, namely, the second rolling element 5 is positioned at the top end of the driving cylinder 31, on one hand, the second rolling element 5 changes sliding friction between the driving cylinder 31 and the limiting cover 11 into rolling friction so as to reduce noise, and on the other hand, the second rolling element 5 drives the axis of the driving cylinder 31 and the axis of the limiting cover 11 to be positioned on the same straight line, so that the stability and balance of the driving cylinder 31 during rotation are improved. Wherein the second rolling element 5 is a bearing.
Further, the limiting seat 13 is provided with a connecting cylinder 131, the connecting cylinder 131 is wound on the limiting shaft 12 and has a gap with the limiting shaft 12, the driving cylinder 31 is sleeved on the connecting cylinder 131 and is located above the limiting seat 13, and the axis of the connecting cylinder 131 and the axis of the limiting shaft 12 are located on the same straight line. A third rolling element 6 is arranged between the driving barrel 31 and the connecting barrel 131, the third rolling element 6 is a bearing, and the third rolling element 6 changes sliding friction between the driving barrel 31 and the connecting barrel 131 into rolling friction so as to reduce noise. The axis of the second rolling element 5 and the axis of the third rolling element 6 are positioned on the same straight line, so that the axis of the driving cylinder 31, the axis of the limiting cover 11 and the axis of the limiting shaft 12 are positioned on the same straight line; because the axis of the limiting shaft 12 and the axis of the first rolling member 4 are on the same straight line, the axes of the first rolling member 4, the second rolling member 5 and the third rolling member 6 are all on the same straight line. Therefore, the axes of the first rolling element 4, the second rolling element 5, the third rolling element 6, the limiting shaft 12, the limiting cover 11, the movable cylinder 2 and the driving cylinder 31 are positioned on the same straight line, which is beneficial to optimizing the stability and balance of the driving cylinder 31 when driving the movable cylinder 2 to move, thereby reducing the noise generated when the movable cylinder 2 moves.
In some embodiments, the inner wall of the driving barrel 31 is provided with a driving groove 311, the driving groove 311 is arranged along the circumferential inner wall of the driving barrel 31, and the driving groove 311 is obliquely wound on the inner wall of the driving barrel 31; the driving groove 311 may be a threaded groove, or the driving groove 311 may be an obliquely arranged ring groove, i.e. the driving groove 311 has a gradient.
The outer wall of the movable barrel 2 is provided with a sliding piece 21, and the sliding piece 21 can be movably clamped in the driving groove 311 so that the driving barrel 31 drives the movable barrel 2 to move through the driving groove 311 and the sliding piece 21, wherein the sliding piece 21 is a roller.
The driving cylinder 31 comprises a cylinder 312, a driving wheel 313 fixed at the bottom of the cylinder 312, a driving rod 32 in transmission connection with the driving wheel 313, and a motor 33 for driving the driving rod 32 to rotate, wherein the motor 33 is fixedly connected with the limiting cover 11, and the driving rod 32 is arranged on the limiting seat 13. Wherein the driving rod 32 is a worm, the driving wheel 313 is a worm wheel, and the worm is meshed with the worm wheel; the third rolling member 6 is located between the turbine and the connecting cylinder 131; the motor 33 drives the driving rod 32 to rotate through a transmission member, wherein the transmission member can be two gears respectively arranged to be meshed with the worm rod and the motor 33, the transmission member can also comprise two belt pulleys respectively arranged to be meshed with the worm rod and the motor 33 and a belt connected between the two belt pulleys, and the transmission member can also comprise two chain wheels respectively arranged to be meshed with the worm rod and the motor 33 and a chain connected between the two chain wheels. When the driving groove 311 is a screw groove, the motor 33 drives the movable cylinder 2 to rise by rotating in a first direction, and the motor 33 drives the movable cylinder 2 to fall by rotating in a second direction; when the driving groove 311 is a ring groove with a gradient, the motor 33 rotates in one direction to drive the movable cylinder 2 to rise and fall, i.e. the movable cylinder 2 reciprocates vertically. When the driving grooves 311 are ring grooves with slopes, as shown in fig. 2 and 3, the driving grooves 311 may be two, the highest point of one driving groove 311 is located above the lowest point of the other driving groove 311, and the lowest point of one driving groove 311 is located above the highest point of the other driving groove 311, i.e. one driving groove 311 is located above the other driving groove 311, two sliding pieces 21 are correspondingly provided, two sliding pieces 21 are located at two sides of the movable barrel 2, and the two sliding pieces 21 are respectively movably clamped in the two driving grooves 311.
The utility model also provides infant care equipment, which comprises the vertical reciprocating motion mechanism and a supporting piece for supporting an infant, wherein the supporting piece is connected with the movable rod 22 and is positioned above the limiting cover 11.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (10)
1. A vertical reciprocation mechanism comprising:
the limiting piece (1), wherein the limiting piece (1) comprises a limiting cover (11) and a limiting shaft (12), and the limiting shaft (12) is positioned in the limiting cover (11) and fixedly connected with the limiting cover (11);
the movable cylinder (2) is positioned in the limit cover (11) and penetrates through the limit cover (11) to extend out of the limit cover (11), the limit cover (11) is used for limiting the rotation of the movable cylinder (2), and the movable cylinder (2) is sleeved on the limit shaft (12);
the driving mechanism (3) is in driving connection with the movable cylinder (2);
and at least one first rolling element (4), at least one first rolling element (4) being arranged between the movable cylinder (2) and the limiting shaft (12).
2. A vertical reciprocation mechanism according to claim 1, wherein: the driving mechanism (3) comprises a driving cylinder (31), the driving cylinder (31) and the movable cylinder (2) can be driven and sleeved, the driving cylinder (31) is located between the movable cylinder (2) and the limiting cover (11), and a gap exists between the outer wall of the driving cylinder (31) and the limiting cover (11).
3. A vertical reciprocation mechanism according to claim 2, wherein: a second rolling piece (5) is arranged between the inner wall of the driving cylinder (31) and the limiting cover (11), and the second rolling piece (5) is positioned at one end of the driving cylinder (31).
4. A vertical reciprocation mechanism according to claim 3 wherein: the axis of the first rolling element (4) and the axis of the second rolling element (5) are positioned on the same straight line.
5. A vertical reciprocation mechanism according to claim 3 wherein: the limiting part (1) further comprises a limiting seat (13), the limiting seat (13) is arranged in the limiting cover (11), the limiting seat (13) is fixedly connected with the limiting shaft (12), the limiting seat (13) is provided with a connecting cylinder (131), and the driving cylinder (31) is sleeved on the connecting cylinder (131) and is located above the limiting seat (13).
6. A vertical reciprocation mechanism according to claim 5 wherein: a third rolling element (6) is arranged between the driving cylinder (31) and the connecting cylinder (131).
7. A vertical reciprocation mechanism according to claim 6 wherein: the axis of the second rolling element (5) and the axis of the third rolling element (6) are positioned on the same straight line.
8. A vertical reciprocation mechanism according to claim 2, wherein: the inner wall of the driving cylinder (31) is provided with a driving groove (311), the driving groove (311) is obliquely wound on the inner wall of the driving cylinder (31), the outer wall of the movable cylinder (2) is provided with a sliding piece (21), and the sliding piece (21) is clamped in the driving groove (311).
9. A vertical reciprocation mechanism according to claim 2, wherein: the driving cylinder (31) comprises a cylinder body (312) and a driving wheel (313) fixed at the bottom of the cylinder body (312), and the driving mechanism (3) further comprises a driving rod (32) in transmission connection with the driving wheel (313) and a motor (33) for driving the driving rod (32) to rotate.
10. An infant care apparatus, characterized in that: comprising a vertical reciprocation mechanism according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508040.8U CN220344064U (en) | 2023-06-13 | 2023-06-13 | Vertical reciprocating motion mechanism and infant care equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508040.8U CN220344064U (en) | 2023-06-13 | 2023-06-13 | Vertical reciprocating motion mechanism and infant care equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220344064U true CN220344064U (en) | 2024-01-16 |
Family
ID=89507079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321508040.8U Active CN220344064U (en) | 2023-06-13 | 2023-06-13 | Vertical reciprocating motion mechanism and infant care equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220344064U (en) |
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2023
- 2023-06-13 CN CN202321508040.8U patent/CN220344064U/en active Active
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