CN110816648A - Electric power steering device of baby carrier - Google Patents
Electric power steering device of baby carrier Download PDFInfo
- Publication number
- CN110816648A CN110816648A CN201911162100.3A CN201911162100A CN110816648A CN 110816648 A CN110816648 A CN 110816648A CN 201911162100 A CN201911162100 A CN 201911162100A CN 110816648 A CN110816648 A CN 110816648A
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- 238000009434 installation Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- HOBRTVXSIVSXIA-UHFFFAOYSA-N 1,2,3,5-tetrachloro-4-phenylbenzene Chemical compound ClC1=C(Cl)C(Cl)=CC(Cl)=C1C1=CC=CC=C1 HOBRTVXSIVSXIA-UHFFFAOYSA-N 0.000 description 2
- CXKIGWXPPVZSQK-UHFFFAOYSA-N 1,2,4-trichloro-3-(2,4-dichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC=C1C1=C(Cl)C=CC(Cl)=C1Cl CXKIGWXPPVZSQK-UHFFFAOYSA-N 0.000 description 2
- CRCBRZBVCDKPGA-UHFFFAOYSA-N 1,2,5-trichloro-3-(2,5-dichlorophenyl)benzene Chemical compound ClC1=CC=C(Cl)C(C=2C(=C(Cl)C=C(Cl)C=2)Cl)=C1 CRCBRZBVCDKPGA-UHFFFAOYSA-N 0.000 description 2
- HLQDGCWIOSOMDP-UHFFFAOYSA-N 2,3,4,5-tetrachlorobiphenyl Chemical compound ClC1=C(Cl)C(Cl)=CC(C=2C=CC=CC=2)=C1Cl HLQDGCWIOSOMDP-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0421—Electric motor acting on or near steering gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
- B62D3/12—Steering gears mechanical of rack-and-pinion type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/046—Controlling the motor
- B62D5/0463—Controlling the motor calculating assisting torque from the motor based on driver input
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
Abstract
The invention relates to an electric power-assisted steering device of a baby carrier, which comprises an upper shell, a middle shell, a lower shell, a steering rod straight shaft and a straight shaft digital code disc, the invention discloses a baby carriage electric power steering device, which comprises a straight-axis light-operated sensing unit, a steering rod bent shaft, a bent shaft digital code disc, a bent shaft light-operated sensing unit and an electric driving mechanism, wherein the straight-axis light-operated sensing unit detects a straight-axis digital signal of the straight-axis digital code disc, the bent shaft light-operated sensing unit detects a bent shaft digital signal of the bent shaft digital code disc, and the electric driving mechanism drives the steering rod bent shaft to rotate until the bent shaft digital signal is equal to the straight-axis digital signal.
Description
Technical Field
The invention relates to the field of a baby carrier, in particular to an electric power steering device of the baby carrier.
Background
The baby carrier is an electric vehicle for children to play, the traditional baby carrier needs to depend on a steering wheel when realizing steering, a straight connecting rod and a bent connecting rod, a user rotates the steering wheel, the steering wheel drives the straight connecting rod to rotate, the straight connecting rod drives the bent connecting rod to rotate, the bent connecting rod drives a steering frame to rotate to finally enable a front wheel to incline and steer, the steering mode has the defects that the straight connecting rod and the bent connecting rod are in a direct mechanical matching mode, the baby carrier is very difficult to steer when being in steering, the child is still in a growth stage and is difficult to steer when meeting obstacles less, in addition, the assembly precision requirement on parts is higher, the running time is long, and the child is easy to wear to cause the appearance of.
Disclosure of Invention
Aiming at the technical problem that the steering of the baby carrier in the prior art is laborious and inconvenient, the invention provides an electric power steering device of the baby carrier, which has the following specific technical scheme:
an electric power-assisted steering device for a baby carrier comprises an upper shell, a middle shell, a lower shell, a steering rod straight shaft, a straight shaft digital code disc, a straight shaft light-operated sensing unit, a steering rod bent shaft, a bent shaft digital code disc, a bent shaft light-operated sensing unit and an electric driving mechanism, wherein the upper shell is arranged above the middle shell, the middle shell is arranged above the lower shell, the straight shaft digital code disc and the straight shaft light-operated sensing unit are arranged between the upper shell and the middle shell, the straight shaft digital code disc and the straight shaft light-operated sensing unit are used for detecting straight shaft digital signals of the straight shaft digital code disc, the straight shaft digital code disc and the steering rod straight shaft synchronously rotate, the steering rod straight shaft extends out of the upper shell to be connected with a handlebar, the bent shaft digital code disc and the bent shaft light-operated sensing unit are arranged between the middle shell and the lower shell, the bent shaft digital code disc and the bent shaft digital code disc synchronously rotate with the steering rod bent shaft, the steering rod bent shaft extends out of the bottom of the lower shell to, the electric driving mechanism drives the steering rod to rotate by the bent shaft until the digital signal of the bent shaft is equal to the digital signal of the straight shaft.
According to a preferred scheme of the invention, the straight-axis light-operated sensing unit comprises a straight-axis infrared transmitting end PCB and a straight-axis infrared receiving end PCB, the straight-axis infrared transmitting end PCB and the straight-axis infrared receiving end PCB are positioned on two sides of a straight-axis digital code disc, the straight-axis digital code disc is provided with straight-axis graded arc-shaped light-transmitting grooves, the bent-axis light-operated sensing unit comprises a bent-axis infrared transmitting end PCB and a bent-axis infrared receiving end PCB, the bent-axis infrared transmitting end PCB and the bent-axis infrared receiving end PCB are positioned on two sides of the bent-axis digital code disc, the bent-axis digital code disc is provided with bent-axis graded arc-shaped light-transmitting grooves, the bent-axis graded arc-shaped light-transmitting grooves are identical to the straight-axis graded arc-shaped light-transmitting grooves, the straight-axis infrared transmitting end PCB and the bent-axis infrared transmitting end PCB are provided with infrared transmitting lamps, and the.
The steering wheel steering device further comprises a steering wheel shaft seat, a bent shaft fixing seat and a fixing seat shaft cover, wherein the lower end of a straight shaft of the steering rod is arranged in the steering wheel shaft seat through a pivot, the steering wheel shaft seat is T-shaped, the bottom of the steering wheel shaft seat is movably sleeved in the bent shaft fixing seat, the fixing seat shaft cover covers the bent shaft fixing seat, the upper end of the steering wheel shaft seat penetrates through the fixing seat shaft cover, and the upper end of a bent shaft of the steering rod is arranged in the bent shaft fixing seat through the pivot.
As a preferred scheme of the invention, the bottom of the fixed seat shaft cover is provided with a limiting arc-shaped groove with an angle of 180 degrees, and the steering wheel shaft seat is provided with a limiting bulge inserted into the limiting arc-shaped groove.
As a preferred scheme of the invention, the manual clamping structure is characterized in that the manual clamping structure is used for locking a steering wheel axle seat and a bent axle fixing seat into a whole, the manual clamping structure comprises a clamping key, a clamping axle, a key axle sleeve and a spring, the bottom of the bent axle fixing seat is provided with an installation frame, the clamping key is rotatably installed in the installation frame and can be poked and rotated for 180 degrees back and forth, the upper outer side and the lower outer side of the clamping key have near-remote distance difference from a rotation center, an installation hole is formed in the bent axle fixing seat, the clamping axle, the key axle sleeve and the spring are installed in the installation hole, the clamping axle is sleeved in the key axle sleeve, the spring is sleeved on the outer peripheral side of the key; the other end contacts with the step of button axle sleeve, and button axle sleeve bottom contacts with the button, and the steering wheel axle bed is equipped with the draw-in groove, thereby stirs screens button rotation drive card axle and imbeds in the draw-in groove and realize steering wheel axle bed, bent axle fixing base lock and die an organic whole.
According to a preferred scheme of the invention, a concave-convex tooth-shaped structure is arranged on the outer peripheral side of the upper end of a steering wheel shaft seat, a straight-shaft digital code disc is arranged on the straight-shaft digital code disc seat, the straight-shaft digital code disc seat is sleeved on the upper end of the steering wheel shaft seat, the steering wheel shaft seat drives the straight-shaft digital code disc seat to synchronously rotate through the concave-convex tooth-shaped structure, a spring is arranged behind the straight-shaft digital code disc seat, and one end of the spring hooks the straight-shaft digital code disc seat; the other end is hooked on the middle shell.
As a preferred scheme of the invention, the electric driving mechanism comprises a motor and a gear set, the motor is arranged above the middle shell, an output shaft of the motor extends into a space between the middle shell and the lower shell, the gear set is arranged inside the space between the middle shell and the lower shell, and the motor drives the bent shaft fixing seat to rotate through the gear set.
As a preferred scheme of the present invention, the gear set includes a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear, a seventh gear, an eighth gear, and a shaft sleeve, the first gear is installed on the output shaft of the motor, the first gear is engaged with the second gear, the second gear is coaxially connected with the third gear, the third gear is engaged with the fourth gear, the fourth gear is coaxially connected with the fifth gear, the fifth gear is engaged with the sixth gear, the sixth gear is coaxially connected with the seventh gear, the seventh gear is engaged with the eighth gear, the eighth gear is coaxially connected with the shaft sleeve, a concave-convex tooth structure is disposed on the inner side of the bottom of the shaft sleeve, the bent shaft fixing base is sleeved in the bottom of the shaft sleeve, and the shaft sleeve drives the bent shaft fixing base to synchronously rotate through the concave-convex tooth structure.
According to a preferable scheme of the invention, a concave-convex tooth-shaped structure is arranged on the outer side above the shaft sleeve, the bent shaft digital code disc is arranged on the bent shaft digital code disc seat, the bent shaft digital code disc is sleeved above the shaft sleeve, and the shaft sleeve drives the bent shaft digital code disc seat to synchronously rotate through the concave-convex tooth-shaped structure.
Has the advantages that: compared with the traditional steering structure of the mechanically matched baby carrier, the electric power steering device of the baby carrier collects the digital information of the digital code disc by using the light-operated sensing unit, the bent-axis digital signal and the straight-axis digital signal are read to judge the position, the electric driving mechanism drives the steering rod to rotate by bending, so that the electric power steering is realized, the steering accuracy is high, the operation is convenient, the control of a steering wheel by children is facilitated, and the use requirement is met.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic diagram of the combination of a straight-axis digital code disc, a straight-axis light-operated sensing unit, a bent-axis digital code disc and a bent-axis light-operated sensing unit;
FIG. 4 is a schematic diagram of the steering wheel axle seat, the bent axle fixing seat and the fixing seat cover;
FIG. 5 is a schematic diagram of the engagement between the steering wheel axle seat and the fixed seat cover;
FIG. 6 is a top view of the steering wheel axle seat, bent axle holder, holder cover of the present invention;
FIG. 7 is a sectional view taken along the line A-A in FIG. 6;
FIG. 8 is a perspective view of the manual detent structure of the present invention;
FIG. 9 is a schematic diagram of the combination of the middle shell, the straight shaft digital disc and the spring of the present invention;
FIG. 10 is a perspective view of the electric drive mechanism of the present invention;
fig. 11 is a schematic view of the combination of the shaft sleeve and the digital hub of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
As shown in figures 1 and 2, an electric power steering device for a baby carriage comprises an upper shell 1, a middle shell 2, a lower shell 3, a steering rod straight shaft 4, a straight shaft digital code disc 5, a straight shaft photo-control sensing unit 6, a steering rod bent shaft 7, a bent shaft digital code disc 8, a bent shaft photo-control sensing unit 9 and an electric driving mechanism 10, wherein the upper shell 1 is arranged above the middle shell 2, the middle shell 2 is arranged above the lower shell 3, the straight shaft digital code disc 5 and the straight shaft photo-control sensing unit 6 are arranged between the upper shell 1 and the middle shell 2, the straight shaft photo-control sensing unit 6 detects a straight shaft digital code signal of the straight shaft digital code disc 5, the straight shaft digital code disc 5 and the steering rod straight shaft 4 rotate synchronously, the steering rod straight shaft 4 extends out of the upper shell to be connected with a handle 11, the bent shaft digital code disc 8 and the bent shaft photo-control sensing unit 9 are arranged between the middle shell 1 and the lower shell 3, the bent shaft photo-control sensing unit 9 detects a bent shaft digital, the bent axle digital code disc 8 and the steering rod bent axle 7 synchronously rotate, the steering rod bent axle 7 extends out from the bottom of the lower shell 3 to be connected with a wheel bogie, the electric driving mechanism 10 is arranged on the side of the middle shell 2, and the electric driving mechanism 10 drives the steering rod bent axle 7 to rotate until a bent axle digital signal is equal to a straight axle digital signal.
As shown in FIG. 3, the straight-axis photo-controlled sensing unit 6 comprises a straight-axis infrared transmitting end PCB 61 and a straight-axis infrared receiving end PCB 62, the straight-axis infrared transmitting end PCB 61 and the straight-axis infrared receiving end PCB 62 are respectively fixed on the upper shell 1 and the middle shell 2 and are positioned on two sides of the straight-axis digital code disk 5, the straight-axis digital code disk 5 is provided with a straight-axis graded arc-shaped light transmitting groove 51, the bent-axis photo-controlled sensing unit 9 comprises a bent-axis infrared transmitting end PCB 91 and a bent-axis infrared receiving end PCB 92, the bent-axis infrared transmitting end PCB 91 and the bent-axis infrared receiving end PCB 92 are respectively fixed on the lower shell 3 and the middle shell 2 and are positioned on two sides of the bent-axis digital code disk 8, the bent-axis digital code disk 8 is provided with a bent-axis graded arc-shaped light transmitting groove 81, the bent-axis graded arc-shaped light transmitting groove 81 is identical to the straight-axis graded arc-shaped light transmitting groove 21 (ensuring that the straight-axis, Bent axle infrared emission end PCB board 81 is equipped with the infrared emission lamp, straight axle infrared receiving end PCB board 62, bent axle infrared receiving end PCB board 92 is equipped with the infrared ray receiving lamp, the infrared ray receiving lamp is just facing the infrared emission lamp, the infrared emission lamp sends the infrared light, see through hierarchical arc light trap and arrive the infrared ray receiving lamp, because hierarchical arc light trap has a plurality ofly and the groove width, the position is different, so every angle digital disc all has different digital signal, the corresponding digital signal can be received at the angle that does not to the infrared ray receiving lamp.
As shown in fig. 4, the electric power steering device for children's carriage further comprises a steering wheel axle seat 12, a bent axle fixing seat 13, a fixing seat axle cover 14, the lower end of the steering rod straight axle 4 is installed in the steering wheel axle seat 12 through a pivot, the steering wheel axle seat 12 is T-shaped, the bottom of the steering wheel axle seat 12 is movably sleeved inside the bent axle fixing seat 13, the fixing seat axle cover 14 covers the bent axle fixing seat 13, the upper end of the steering wheel axle seat 12 penetrates through the fixing seat axle cover 14, the upper end of the steering rod bent axle 7 is arranged in the bent axle fixing seat 13 through a pivot shaft, and a structure that the steering rod straight axle 4 and the steering rod bent axle 7 rotate independently and do not interfere with each other is formed, in addition, as shown in fig. 5, the bottom of the fixing seat cover 14 is provided with a limiting arc-shaped groove 141 with an angle of 180 degrees, the steering wheel axle seat 12 is provided with a limiting protrusion 121 inserted into the limiting arc-shaped groove 141, and when the steering rod straight shaft 4 drives the steering wheel axle seat 12 to rotate, the limiting arc-shaped groove 141 limits the rotation angle of the steering wheel axle seat 12.
As shown in fig. 6-8, the electric power steering apparatus for children's vehicle further includes a manual locking structure for locking the steering wheel axle seat 12 and the bent axle fixing seat 13 into a whole, when the manual locking structure is used, the steering rod straight axle 4 directly drives the steering rod bent axle 7 to rotate, which is suitable for the situation without the electric driving mechanism 10, the manual locking structure includes a locking button 15, a locking axle 16, a button axle sleeve 17, and a spring 18, the bottom of the bent axle fixing seat 13 is provided with an installation frame 19, the locking button 15 is rotatably installed in the installation frame 19 to be able to rotate back and forth by 180 degrees, the upper and lower outer sides of the locking button 15 have a near-far distance difference from the rotation center (i.e. the width of one side is smaller than that of the rotation center and the width of the other side is smaller than that of the rotation center), the bent axle fixing seat 13 is provided with an installation hole, the locking axle 16, the button axle sleeve 17, a spring 18 is sleeved on the outer periphery of the key shaft sleeve 17, and one end of the spring 18 is in contact with the inner wall of the bent shaft fixing seat 13; the other end of the steering wheel shaft seat is in contact with a step of the key shaft sleeve 17, the bottom of the key shaft sleeve 17 is in contact with a key, the steering wheel shaft seat 12 is provided with a clamping groove, the clamping key 15 is poked to drive the clamping shaft 16 to rotate, the compression spring is upwards embedded into the clamping groove, therefore, the steering wheel shaft seat 12 and the bent shaft fixing seat 13 are locked into a whole, and the bent shaft fixing seat 13 also rotates when the steering wheel shaft seat 12 rotates.
As shown in fig. 9, a concave-convex tooth-shaped structure is arranged on the outer periphery of the upper end of the steering wheel shaft seat 12, the straight-axis digital disc 5 is arranged on the straight-axis digital disc seat 19, the straight-axis digital disc seat 19 is sleeved on the upper end of the steering wheel shaft seat 12, the steering wheel shaft seat 12 drives the straight-axis digital disc seat 19 to synchronously rotate through the concave-convex tooth-shaped structure, the straight-axis digital disc seat 19 further drives the straight-axis digital disc 5 to rotate, a spring 20 is arranged behind the digital disc seat 19, and one end of the spring 20 hooks the digital disc seat 19; the other end hooks the middle shell 2, and the spring 20 is used for assisting steering and resetting.
As shown in fig. 10, the electric driving mechanism 10 includes a motor 101 and a gear set, the motor 101 is installed above the middle housing 2, the output shaft of the motor extends between the middle housing 2 and the lower housing 3, the gear set is installed inside the middle housing 2 and the lower housing 3, the motor 101 drives the bent shaft fixing seat to rotate through the gear set, the gear set includes a first gear 102, a second gear 103, a third gear 104, a fourth gear 105, a fifth gear 106, a sixth gear 107, a seventh gear 108, an eighth gear 109 and a shaft sleeve 110, the motor output shaft is installed with the first gear 102, the first gear 102 is meshed with the second gear 103, the second gear 103 is coaxially connected with the third gear 104, the third gear 104 is meshed with the fourth gear 105, the fourth gear 105 is coaxially connected with the fifth gear 106, the fifth gear 106 is meshed with the sixth gear 107, the sixth gear 107 is coaxially connected with the seventh gear 108, the seventh gear 108 is meshed with the eighth gear 109, the eighth gear 109 and the shaft sleeve 110 are coaxially connected into a whole, a concave-convex tooth-shaped structure is arranged on the inner side of the bottom of the shaft sleeve 110, the bent shaft fixing seat 13 is sleeved in the bottom of the shaft sleeve 110, the shaft sleeve 100 drives the bent shaft fixing seat 13 to synchronously rotate through the concave-convex tooth-shaped structure, the bent shaft fixing seat 13 drives the steering rod bent shaft 7 to rotate, in addition, as shown in fig. 11, a concave-convex tooth-shaped structure is arranged on the outer side above the shaft sleeve 110, the bent shaft digital disc 8 is arranged on the bent shaft digital disc seat 21, the bent shaft digital disc seat 21 is sleeved above the shaft sleeve 110, the shaft sleeve 110 drives the bent shaft digital disc seat 21 to synchronously rotate through the concave-convex tooth-shaped structure, and the bent shaft.
The above description is for the purpose of describing the invention in more detail with reference to specific preferred embodiments, and it should not be construed that the embodiments of the invention are limited to those described herein, and it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides an electronic helping hand of bassinet steering gear which characterized in that: the steering wheel comprises an upper shell, a middle shell, a lower shell, a steering rod straight shaft, a straight shaft digital code disc, a straight shaft light-operated sensing unit, a steering rod bent shaft, a bent shaft digital code disc, a bent shaft light-operated sensing unit and an electric driving mechanism, wherein the upper shell is arranged above the middle shell, the middle shell is arranged above the lower shell, the straight shaft digital code disc and the straight shaft light-operated sensing unit are arranged between the upper shell and the middle shell, the straight shaft light-operated sensing unit detects a straight shaft digital signal of the straight shaft digital code disc, the straight shaft digital code disc and the steering rod straight shaft synchronously rotate, the steering rod straight shaft extends out of the upper shell to be connected with a handlebar, the bent shaft digital code disc and the bent shaft light-operated sensing unit are arranged between the middle shell and the lower shell, the bent shaft light-operated sensing unit detects a bent shaft digital signal of the bent shaft digital code disc, the bent shaft digital code disc and the steering rod bent shaft synchronously rotate, the steering rod bent shaft extends out of the bottom of the lower shell to be connected with a wheel bogie, the electric driving mechanism is arranged on .
2. An electric power steering apparatus for a stroller according to claim 1, characterized in that: the straight-axis light-operated sensing unit comprises a straight-axis infrared transmitting end PCB and a straight-axis infrared receiving end PCB, the straight-axis infrared transmitting end PCB and the straight-axis infrared receiving end PCB are located on two sides of a straight-axis digital code disc, the straight-axis digital code disc is provided with straight-axis graded arc light-transmitting grooves, the bent-axis light-operated sensing unit comprises bent-axis infrared transmitting end PCB and bent-axis infrared receiving end PCB, bent-axis infrared transmitting end PCB and bent-axis infrared receiving end PCB are located on two sides of a bent-axis digital code disc, the bent-axis digital code disc is provided with bent-axis graded arc light-transmitting grooves, the bent-axis graded arc light-transmitting grooves are the same as the straight-axis graded arc light-transmitting grooves, the straight-axis infrared transmitting end PCB and the bent-axis infrared transmitting end PCB are provided with infrared transmitting lamps, and the straight-axis infrared receiving end PCB and the bent-.
3. An electric power steering apparatus for a stroller according to claim 1, characterized in that: the steering wheel steering mechanism is characterized by further comprising a steering wheel shaft seat, a bent shaft fixing seat and a fixing seat shaft cover, wherein the lower end of a straight shaft of the steering rod is installed in the steering wheel shaft seat through a pivot, the steering wheel shaft seat is T-shaped, the bottom of the steering wheel shaft seat is movably sleeved inside the bent shaft fixing seat, the fixing seat shaft cover is covered above the bent shaft fixing seat, the upper end of the steering wheel shaft seat penetrates through the fixing seat shaft cover, and the upper end of the bent shaft of the steering rod is installed in the bent shaft.
4. An electric power steering apparatus for a stroller according to claim 3, wherein: the bottom of the fixed seat shaft cover is provided with a limiting arc-shaped groove with an angle of 180 degrees, and the steering wheel shaft seat is provided with a limiting bulge inserted into the limiting arc-shaped groove.
5. An electric power steering apparatus for a stroller according to claim 3, wherein: the manual clamping structure is used for locking the steering wheel shaft seat and the bent shaft fixing seat into a whole, the manual clamping structure comprises clamping keys, a clamping shaft, a key shaft sleeve and a spring, an installation frame is arranged at the bottom of the bent shaft fixing seat, the clamping keys are rotatably installed in the installation frame and can be stirred and rotated back and forth for 180 degrees, the upper outer side and the lower outer side of each clamping key have near-remote distance difference from a rotation center, an installation hole is formed in the bent shaft fixing seat, the clamping shaft, the key shaft sleeve and the spring are installed in the installation hole, the clamping shaft is sleeved in the key shaft sleeve, the spring is sleeved on the outer peripheral side of the key shaft sleeve, and one end of the spring; the other end contacts with the step of button axle sleeve, and button axle sleeve bottom contacts with the button, and the steering wheel axle bed is equipped with the draw-in groove, thereby stirs screens button rotation drive card axle and imbeds in the draw-in groove and realize steering wheel axle bed, bent axle fixing base lock and die an organic whole.
6. An electric power steering apparatus for a stroller according to claim 3, wherein: the periphery side of the upper end of the steering wheel shaft seat is provided with a concave-convex tooth-shaped structure, the straight-shaft digital code disc is arranged on the straight-shaft digital code disc seat, the digital code disc seat is sleeved at the upper end of the steering wheel shaft seat, the steering wheel shaft seat drives the straight-shaft digital code disc seat to synchronously rotate through the concave-convex tooth-shaped structure, a spring is arranged behind the straight-shaft digital code disc seat, and one end of the spring hooks the straight-shaft digital code disc seat; the other end is hooked on the middle shell.
7. An electric power steering apparatus for a stroller according to claim 1, characterized in that: the electric driving mechanism comprises a motor and a gear set, the motor is installed above the middle shell, an output shaft of the motor extends into the space between the middle shell and the lower shell, the gear set is installed inside the middle shell and the lower shell, and the motor drives the bent shaft fixing seat to rotate through the gear set.
8. An electric power assisted steering apparatus for a stroller as defined in claim 7, wherein: the gear set comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear, a sixth gear, a seventh gear, an eighth gear and a shaft sleeve, the first gear is mounted on the output shaft of the motor, the first gear is meshed with the second gear, the second gear is coaxially connected with the third gear into a whole, the third gear is meshed with the fourth gear, the fourth gear is coaxially connected with the fifth gear into a whole, the fifth gear is meshed with the sixth gear, the sixth gear is coaxially connected with the seventh gear into a whole, the seventh gear is meshed with the eighth gear, the eighth gear is coaxially connected with the shaft sleeve into a whole, a concave-convex tooth-shaped structure is arranged on the inner side of the bottom of the shaft sleeve, the bent shaft fixing seat is sleeved in the bottom of the shaft sleeve, and the shaft sleeve drives the bent shaft fixing seat to synchronously rotate through the concave-convex.
9. An electric power assisted steering apparatus for a stroller as defined in claim 8, wherein: the outer side of the upper part of the shaft sleeve is provided with a concave-convex tooth-shaped structure, the bent shaft digital code disc is arranged on the bent shaft digital code disc seat, the bent shaft digital code disc is sleeved on the upper part of the shaft sleeve, and the shaft sleeve drives the bent shaft digital code disc seat to synchronously rotate through the concave-convex tooth-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162100.3A CN110816648A (en) | 2019-11-25 | 2019-11-25 | Electric power steering device of baby carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911162100.3A CN110816648A (en) | 2019-11-25 | 2019-11-25 | Electric power steering device of baby carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110816648A true CN110816648A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911162100.3A Pending CN110816648A (en) | 2019-11-25 | 2019-11-25 | Electric power steering device of baby carrier |
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| CN (1) | CN110816648A (en) |
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