CN113180413A - Pedal type frequency limiting baby cradle - Google Patents
Pedal type frequency limiting baby cradle Download PDFInfo
- Publication number
- CN113180413A CN113180413A CN202110473803.9A CN202110473803A CN113180413A CN 113180413 A CN113180413 A CN 113180413A CN 202110473803 A CN202110473803 A CN 202110473803A CN 113180413 A CN113180413 A CN 113180413A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 80
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D9/00—Cradles ; Bassinets
- A47D9/02—Cradles ; Bassinets with rocking mechanisms
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D15/00—Accessories for children's furniture, e.g. safety belts or baby-bottle holders
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pediatric Medicine (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of baby cradles, in particular to a pedal type frequency limiting baby cradle, which comprises a driving part, a transmission part, a shaking part and a shell, wherein the driving part comprises a pedal plate, a pedal plate fixing shaft, a pedal transmission connecting shaft, a transmission shaft, a gear transmission connecting shaft, a transmission gear and a transmission gear fixing shaft; the transmission part comprises a driven gear fixing shaft, a driven gear, a driven shaft, a driven driving connecting shaft, a driving shaft, a tightness control screw, a buffer ring, a friction body and a connecting ring; the shaking part comprises a driving slide block connecting shaft, a slide block, a slide rail and a cradle. The invention realizes the control of the maximum shaking frequency of the baby cradle through the gear transmission structure with the maximum driving force output limiting function.
Description
Technical Field
The invention relates to the technical field of baby cradles, in particular to a pedal type frequency limiting baby cradle.
Background
After the baby is born, a plurality of parents like to sleep the cradle, and the baby can be hurt if the parents use the cradle incorrectly. From the viewpoint of ergonomics, the shaking frequency is less than 50 times/minute, and the baby can feel happy to shake and cannot be damaged by shaking, but in reality, the shaking frequency of the cradle is often more than 50 times per minute due to lack of experience and the like. In the current market, although there are electric infant cradles capable of controlling the rocking frequency, the price is high and there is a lack of non-electric driven infant cradles capable of controlling the rocking frequency.
The invention designs the mechanical driving, transmission and frequency control modes of the baby cradle by analyzing the requirements of babies and parents on the baby cradle and combining the relevant principle of ergonomics.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a pedal type frequency limiting baby cradle, which realizes the control of the maximum shaking frequency of the baby cradle through a gear transmission structure with a maximum driving force output limiting function.
In order to realize the purpose of the invention, the invention adopts the technical scheme that:
the invention discloses a pedal type frequency-limited baby cradle, which comprises a driving part, a transmission part, a shaking part and a shell,
the shell is of a hollow square structure, the top of the shell is a concave arc-shaped surface, the shaking part is arranged at the top of the shell, and the driving part and the transmission part are arranged in an inner cavity of the shell;
the driving part comprises a pedal, a pedal fixing shaft, a pedal transmission connecting shaft, a transmission shaft, a gear transmission connecting shaft, a transmission gear and a transmission gear fixing shaft, a limiting hole for the outer end of the pedal to pass through is arranged below one side wall of the shell, and the pedal fixing shaft passes through the middle part of the pedal and is fixedly connected with the inner walls of the two sides of the shell; the inner end of the pedal is hinged with the lower end of the connecting shaft through the pedal transmission connecting shaft, and the upper end of the connecting shaft is hinged with the outer side of the side wall of the transmission gear through the gear transmission connecting shaft; the transmission gear fixing shaft penetrates through the middle part of the transmission gear and is fixedly connected with the inner wall of the front side of the shell;
the transmission part comprises a driven gear fixing shaft, a driven gear, a driven shaft, a driven driving connecting shaft and a driving shaft, the driven gear is in matched meshed connection with the transmission gear, one end of the driven gear fixing shaft penetrates through the middle part of the driven gear and then is fixedly connected with the inner wall of the rear side of the shell, the other end of the driven gear fixing shaft is hinged with one end of the driven shaft, the other end of the driven shaft is hinged with the lower end of the driving shaft through the driven driving connecting shaft, and the upper end of the driving shaft is hinged with the shaking part; a rocking frequency limiting mechanism is sleeved on the axis of the driven gear;
the rocking frequency limiting mechanism comprises a tightness control screw, a buffer ring, friction bodies and a connecting ring, the connecting ring is sleeved in the axis of the driven gear, the front wall of the connecting ring is fixedly connected with the inner wall of the driven shaft, the friction bodies are arranged on the outer edge of the rear wall of the connecting ring in an annular array mode, the friction bodies and the inner wall of the connecting ring are surrounded to form a groove for sleeving the buffer ring, the tightness control screw is in a conical structure, one end with a smaller cross section is inserted into the inner ring of the buffer ring, and through holes for the driven gear fixing shaft to pass through are formed in the axes of the tightness control screw and the connecting ring;
the rocking part comprises a driving slide block connecting shaft, a slide block, a slide rail and a cradle, the slide rail is arranged on the arc-shaped surface at the top of the shell, the slide block and the slide rail are matched to slide, and the slide block is hinged with the upper end of the driving shaft through the driving slide block connecting shaft arranged on the slide block; the top of the sliding block is fixedly connected with the bottom of the cradle.
The outer edge of the rear wall of the connecting ring is connected with four friction bodies, and a gap is formed between every two adjacent friction bodies.
The buffer ring is a rubber ring; the minimum cross section of the tightness control screw is smaller than the inner diameter of the inner ring of the buffer ring, and the maximum cross section of the tightness control screw is larger than the inner diameter of the inner ring of the buffer ring.
The slide rail is of an arc-shaped structure, a sliding groove used for sliding the slide block is formed in the middle of the slide rail, clamping grooves matched with the inner walls of the two sides of the sliding groove are formed in the two side walls of the slide block, and a shaft hole used for enabling the slide block connecting shaft to penetrate through is formed in the lower portion of the side wall of the slide block.
The invention has the beneficial effects that:
1. the invention adopts a foot-stepping mode for driving, and realizes the control of the maximum shaking frequency of the baby cradle through a gear transmission structure with the maximum driving force output limiting function. The invention solves the problem of controlling the shaking frequency of the manually driven baby cradle, has simple structure and low manufacturing cost, and can realize the attribute adjustment of the core product specification parameter of the proportional numerical value of the pedaling frequency and the shaking frequency of the cradle by changing the size proportion of the transmission gear and the driven gear, so that the baby cradle can better meet the requirements of users.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention with the housing removed;
FIG. 3 is a schematic view of the assembled structure of the present invention with the housing removed;
FIG. 4 is an exploded view of the driving part of the present invention;
FIG. 5 is an exploded view of the transmission part of the present invention;
FIG. 6 is an exploded view of the rocking section of the present invention;
FIG. 7 is a schematic view of a driving part according to the present invention;
FIG. 8 is a schematic structural view of a transmission portion of the present invention;
FIG. 9 is a schematic view showing the structure of a shaking section in the present invention;
fig. 10 is an assembly view of the rocking frequency limiting mechanism of the present invention.
In the figure, 1, a driving part; 2. a transmission part; 3. a shaking section; 4. a housing; 11. a foot pedal; 12. a pedal fixing shaft; 13. a pedal transmission connecting shaft; 14. a drive shaft; 15. a gear transmission connecting shaft; 16. a transmission gear; 17. a transmission gear fixing shaft; 21. a driven gear fixing shaft; 22. tightening and loosening control screws; 23. a buffer ring; 24. a friction body; 25. a driven gear; 26. a driven shaft; 27. a driven driving connecting shaft; 28. a drive shaft; 31. a driving slide block connecting shaft; 32. a slider; 33. a slide rail; 34. a cradle; 35. a card slot; 41. and a limiting hole.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
see fig. 1-10.
The invention discloses a pedal type frequency-limited baby cradle, which comprises a driving part 1, a transmission part 2, a shaking part 3 and a shell 4,
the shell 4 is of a hollow square structure, the top of the shell is a concave arc-shaped surface, the shaking part 3 is arranged at the top of the shell, and the driving part 1 and the transmission part 2 are arranged in an inner cavity of the shell;
the driving part 1 comprises a pedal 11, a pedal fixing shaft 12, a pedal transmission connecting shaft 13, a transmission shaft 14, a gear transmission connecting shaft 15, a transmission gear 16 and a transmission gear fixing shaft 17, a limiting hole 41 for the outer end of the pedal 11 to pass through is arranged below one side wall of the shell 4, and the pedal fixing shaft 12 passes through the middle part of the pedal 11 and is fixedly connected with the inner walls of two sides of the shell 4; the inner end of the pedal 11 is hinged with the lower end of the connecting shaft 14 through the pedal transmission connecting shaft 13, and the upper end of the connecting shaft 14 is hinged with the outer side of the side wall of the transmission gear 16 through the gear transmission connecting shaft 15; the transmission gear fixing shaft 17 penetrates through the middle part of the transmission gear 16 and is fixedly connected with the inner wall of the front side of the shell 4; the positions of the pedal fixing shaft 12 and the transmission gear fixing shaft 17 are not changed, so that the positions of the centers of rotation circles of the pedal 11 and the transmission gear 16 are fixed, and in order to ensure the normal operation of the driving part 1, one end of the transmission gear fixing shaft 17, which is close to the transmission shaft 14, cannot collide with the transmission gear fixing shaft, so that the transmission gear fixing shaft 17 needs to be fixedly connected with the inner wall of the front side of the shell 4; the pedal transmission connecting shaft 13 is connected with the pedal plate 11 and the transmission shaft 14, and the pedal transmission connecting shaft 13 needs to be ensured not to collide with the transmission gear 16. The gear drive connecting shaft 15 is connected with the transmission shaft 14 and the transmission gear 16. When a user steps on the outer end of the pedal 11, the transmission shaft 14 can be driven to complete one-time movement while one-time movement is completed, one end of the transmission shaft 14, which is in contact with the transmission gear 16, can drive the transmission gear 16 to rotate for a circle, and the process realizes that the force of stepping on the foot of the user is converted into the force of rotating the gear.
The transmission part 2 comprises a driven gear fixing shaft 21, a driven gear 25, a driven shaft 26, a driven driving connecting shaft 27 and a driving shaft 28, wherein the driven gear 25 is in matched meshed connection with the transmission gear 16, one end of the driven gear fixing shaft 21 penetrates through the middle of the driven gear 25 and then is fixedly connected with the inner wall of the rear side of the shell 4, the other end of the driven gear fixing shaft is hinged with one end of the driven shaft 26, the other end of the driven shaft 26 is hinged with the lower end of the driving shaft 28 through the driven driving connecting shaft 27, and the upper end of the driving shaft 28 is hinged with the shaking part; a rocking frequency limiting mechanism is sleeved on the axis of the driven gear 25; the transmission gear 16 of the driving part 1 can drive the driven gear 25 to rotate at the same linear velocity, and the size ratio of the transmission gear 16 and the driven gear 25 controls different proportional numerical values of the pedaling frequency and the cradle shaking frequency; the position of the driven gear fixing shaft 21 is unchanged, so that the center positions of the tightness control screw 22, the buffer ring 23, the friction body 24 and the driven gear 25 are unchanged, and the driven gear fixing shaft is connected with one end of the driven shaft 26, so that in order to ensure the normal operation of the transmission part 2, the end, close to the driving shaft 28, of the driven gear fixing shaft 21 cannot collide with the end, so that the driven gear fixing shaft 21 needs to be fixedly connected with the inner wall of the rear side of the shell 4. A driven drive connecting shaft 27 is connected to the driven shaft 26 and the driving shaft 28, and the driven drive connecting shaft 27 needs to be ensured not to collide with the driven gear 25.
The shaking frequency limiting mechanism comprises a tightness control screw 22, a buffer ring 23, friction bodies 24 and a connecting ring 29, wherein the connecting ring 29 is sleeved in the axis of the driven gear 25, the front wall of the connecting ring 29 is fixedly connected with the inner wall of the driven shaft 26, the friction bodies 24 are annularly arrayed on the outer edge of the rear wall of the connecting ring 29, the friction bodies 24 and the inner wall of the connecting ring 29 enclose a groove for sleeving the buffer ring 23, the tightness control screw 22 is in a conical structure, one end with a smaller cross section is inserted into the inner ring of the buffer ring 23, and through holes for the driven gear fixing shaft 21 to pass through are formed in the axis of the tightness control screw 22 and the connecting ring 29; after the tightness degree of the tightness control screw 22 is adjusted, the maximum friction force between the friction body 24 and the driven gear 25 is a fixed value, so that the force transmitted by the friction body 24 to the driven shaft 26 is not greater than the maximum friction force between the friction body and the driven gear, and the maximum force for driving the cradle 34 is limited, thereby limiting the frequency of the cradle rocking back and forth. The expansion size of the buffer ring 23 can be controlled by controlling the tightness degree of the tightness control screw 22, namely the degree of inserting the buffer ring 23, so that the vertical pressure of the contact surface between the outer side wall of the friction body 24 and the driven gear 25 is controlled, the control on the maximum friction force between the friction body 24 and the driven gear 25 can be realized, the maximum shaking frequency of the cradle 34 is controlled, the driven gear 25 can drive the friction body 24 to rotate, the angular velocity of the driven gear 25 is not less than that of the friction body 24, then the friction body 24 drives the driven shaft 26 fixedly connected with the connecting ring 29 to rotate at the same angular velocity, the driven shaft 26 drives the driving shaft 28 to move back and forth from the dynamic driving connecting shaft 27, and the driving shaft 28 moves back and forth when the driven shaft 26 rotates for a circle; when the rotation speed of the driven gear 25 is too high, the friction force between the driven gear 25 and the friction body 24 reaches the maximum value, sliding occurs between the driven gear and the friction body, the driven gear 25 cannot drive the friction body 24 to rotate at the same angular speed, and the friction body 24 can only transmit the force equal to the maximum friction force to drive the cradle to move, so that the maximum shaking frequency of the cradle 34 is controlled.
The rocking part 3 comprises a driving slide block connecting shaft 31, a slide block 32, a slide rail 33 and a cradle 34, the slide rail 33 is arranged on the arc-shaped surface of the top of the shell 4, the slide block 32 is matched with the slide rail 33 to slide, and the slide block 32 is hinged with the upper end of the driving shaft 28 through the driving slide block connecting shaft 31 arranged on the slide block 32; the top of the slide block 32 is fixedly connected with the bottom of the cradle 34, the drive shaft 28 drives the slide block 32 to move back and forth by driving the slide block connecting shaft 31, the slide block 32 also moves back and forth after the drive shaft 28 moves for a period, the slide block 32 is fixedly connected with the cradle 34, and the slide block 32 can drive the cradle 34 to move back and forth on the slide rail 33 at the same frequency.
The outer edge of the rear wall of the connecting ring 29 is connected with four friction bodies 24, and a gap is arranged between the adjacent friction bodies 24, so that when the maximum shaking frequency of the cradle 34 is adjusted, the outward pressure of the friction bodies 24 needs to be adjusted, and the service life of the cradle can be prolonged by arranging the gap between the friction bodies 24.
The buffer ring 23 is a rubber ring; the minimum cross section of the tightness control screw 22 is smaller than the inner diameter of the inner ring of the buffer ring 23, and the maximum cross section of the tightness control screw is larger than the inner diameter of the inner ring of the buffer ring 23, so that the tightness control screw 22 can control the expansion force of the buffer ring 23.
The slide rail 33 is of an arc-shaped structure, a sliding chute used for sliding the slide block 32 is arranged in the middle of the slide rail, clamping grooves 35 matched and clamped with the inner walls of the two sides of the sliding chute are arranged on the two side walls of the slide block 32, and a shaft hole used for driving the slide block connecting shaft 31 to penetrate is arranged below the side wall of the slide block 32.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention and the contents of the drawings or directly or indirectly applied to the related technical fields are included in the scope of the present invention.
Claims (4)
1. A foot-depressed frequency limited infant cradle characterized by: comprises a driving part (1), a transmission part (2), a shaking part (3) and a shell (4),
the shell (4) is of a hollow square structure, the top of the shell is a concave arc-shaped surface, the shaking part (3) is arranged at the top of the shell, and the driving part (1) and the transmission part (2) are arranged in an inner cavity of the shell;
the driving part (1) comprises a pedal (11), a pedal fixing shaft (12), a pedal transmission connecting shaft (13), a transmission shaft (14), a gear transmission connecting shaft (15), a transmission gear (16) and a transmission gear fixing shaft (17), a limiting hole (41) for the outer end of the pedal (11) to pass through is arranged below one side wall of the shell (4), and the pedal fixing shaft (12) passes through the middle part of the pedal (11) and is fixedly connected with the inner walls of the two sides of the shell (4); the inner end of the pedal (11) is hinged with the lower end of the connecting shaft (14) through the pedal transmission connecting shaft (13), and the upper end of the connecting shaft (14) is hinged with the outer side of the side wall of the transmission gear (16) through the gear transmission connecting shaft (15); the transmission gear fixing shaft (17) penetrates through the middle part of the transmission gear (16) and is fixedly connected with the inner wall of the front side of the shell (4);
the transmission part (2) comprises a driven gear fixing shaft (21), a driven gear (25), a driven shaft (26), a driven driving connecting shaft (27) and a driving shaft (28), the driven gear (25) is matched and meshed with the transmission gear (16), one end of the driven gear fixing shaft (21) penetrates through the middle of the driven gear (25) and then is fixedly connected with the inner wall of the rear side of the shell (4), the other end of the driven gear fixing shaft is hinged with one end of the driven shaft (26), the other end of the driven shaft (26) is hinged with the lower end of the driving shaft (28) through the driven driving connecting shaft (27), and the upper end of the driving shaft (28) is hinged with the shaking part; a rocking frequency limiting mechanism is sleeved on the axis of the driven gear (25);
the rocking frequency limiting mechanism comprises a tightness control screw (22), a buffer ring (23), friction bodies (24) and a connecting ring (29), the connecting ring (29) is sleeved in the axis of the driven gear (25), the front wall of the connecting ring is fixedly connected with the inner wall of the driven shaft (26), the friction bodies (24) are arranged on the outer edge of the rear wall of the connecting ring (29) in an annular array mode, a groove used for sleeving the buffer ring (23) is formed by the friction bodies (24) and the inner wall of the connecting ring (29) in a surrounding mode, the tightness control screw (22) is of a conical structure, one end with a small cross section is inserted into the inner ring of the buffer ring (23), and through holes used for the driven gear fixing shaft (21) to penetrate through are formed in the axis of the tightness control screw (22) and the connecting ring (29);
the rocking part (3) comprises a driving slide block connecting shaft (31), a slide block (32), a slide rail (33) and a cradle (34), the slide rail (33) is arranged on the arc-shaped surface of the top of the shell (4), the slide block (32) and the slide rail (33) slide in a matching way, and the slide block (32) is hinged with the upper end of the driving shaft (28) through the driving slide block connecting shaft (31) arranged on the slide block (32); the top of the sliding block (32) is fixedly connected with the bottom of the cradle (34).
2. A foot-operated frequency limited infant cradle according to claim 1, wherein: the outer edge of the rear wall of the connecting ring (29) is connected with four friction bodies (24), and a gap is formed between every two adjacent friction bodies (24).
3. A foot-operated frequency limited infant cradle according to claim 1, wherein: the buffer ring (23) is a rubber ring; the minimum cross section of the tightness control screw (22) is smaller than the inner diameter of the inner ring of the buffer ring (23), and the maximum cross section of the tightness control screw is larger than the inner diameter of the inner ring of the buffer ring (23).
4. A foot-operated frequency limited infant cradle according to claim 1, wherein: slide rail (33) are the arc structure, and its middle part is equipped with and is used for gliding spout of slider (32), the both sides wall of slider (32) be equipped with draw-in groove (35) of spout both sides inner wall matching block, the lateral wall below of slider (32) is equipped with and is used for the shaft hole that drive slider connecting axle (31) passed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110473803.9A CN113180413B (en) | 2021-04-29 | 2021-04-29 | Pedal type frequency limiting baby cradle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110473803.9A CN113180413B (en) | 2021-04-29 | 2021-04-29 | Pedal type frequency limiting baby cradle |
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| Publication Number | Publication Date |
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| CN113180413A true CN113180413A (en) | 2021-07-30 |
| CN113180413B CN113180413B (en) | 2023-03-21 |
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| CN202110473803.9A Active CN113180413B (en) | 2021-04-29 | 2021-04-29 | Pedal type frequency limiting baby cradle |
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| Title |
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| 王等: "基于PLC和HMI控制的自动婴儿摇篮床技术", 《微计算机信息》 * |
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| Publication number | Publication date |
|---|---|
| CN113180413B (en) | 2023-03-21 |
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