WO2023174199A1 - 一种儿童安全座椅 - Google Patents

一种儿童安全座椅 Download PDF

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Publication number
WO2023174199A1
WO2023174199A1 PCT/CN2023/081016 CN2023081016W WO2023174199A1 WO 2023174199 A1 WO2023174199 A1 WO 2023174199A1 CN 2023081016 W CN2023081016 W CN 2023081016W WO 2023174199 A1 WO2023174199 A1 WO 2023174199A1
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WO
WIPO (PCT)
Prior art keywords
seat body
seat
chassis
motor
shaft sleeve
Prior art date
Application number
PCT/CN2023/081016
Other languages
English (en)
French (fr)
Inventor
夏环乐
林江娟
Original Assignee
宁波惠尔顿婴童安全科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 宁波惠尔顿婴童安全科技股份有限公司 filed Critical 宁波惠尔顿婴童安全科技股份有限公司
Publication of WO2023174199A1 publication Critical patent/WO2023174199A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle

Definitions

  • the present disclosure relates to the technical field of safety seats, specifically to a child safety seat.
  • a car child safety seat is a seat specially designed for children of different ages and installed in the car, which can effectively improve the safety of children in cars.
  • child safety seats With the gradual improvement of vehicle safety awareness, child safety seats have been widely used.
  • the traditionally used child safety seats are fixedly installed in the car. In actual use, they are different for different ages, body shapes, sleep and other different states and uses. Comfort requirements are different, so it is often necessary to adjust the tilt angle of the safety seat.
  • the invention patent with the publication number: CN108128221A discloses a child safety seat and a chair back pitch angle adjustment mechanism, including a base and a
  • the chair body includes an integrated seat and chair back.
  • the bottom of the chair seat is provided with an arc-shaped track extending toward the chair back.
  • the arc-shaped track is provided with an arc-shaped fixing frame that can slide within the arc-shaped track.
  • the bottom of the arc-shaped fixed frame is equipped with a fixed shaft connected to the base.
  • the advantage is that the bottom of the arc-shaped fixed frame is provided with a fixed shaft connected to the base.
  • the fixed axis of the base and the arc-shaped fixed frame are located in the arc-shaped track.
  • the adjustment device in this technical solution is arranged on the outside of the seat back, which makes the entire seat body less compact and less supportive.
  • the present disclosure provides a child safety seat that is anti-leg pinching and relatively safe. Good and easy to use.
  • One of the concepts of the present disclosure is to provide a child safety seat, which specifically includes a seat body.
  • the seat body is provided with an angle adjustment device, and the angle adjustment device is used to electrically adjust the pitch angle of the seat body;
  • the seat body includes a chair back and a seat part, and the angle adjustment device is provided on the seat part.
  • the angle adjustment device includes a chassis, a driving mechanism and a gear, the chassis is adapted to the seat part, and the chassis is used to support the seat body;
  • the chassis is provided with a connecting plate, and the seat part is slidingly connected to the chassis through the connecting plate;
  • the seat part is provided with a chair frame, and the chair frame includes a connecting rod, and the connecting rod is fixedly connected to the chair frame,
  • the connecting plate is provided with a limiting slot, and the connecting rod is slidably matched with the limiting slot;
  • the gear is rotatably connected to the connecting rod,
  • the driving mechanism is connected to the gear transmission, and the chassis is provided with a rack that matches the gear. , the driving mechanism drives the gear to slide the seat body.
  • the pitch angle of the seat body is electrically adjusted through the angle adjustment device, which is more time-saving and labor-saving than manual adjustment.
  • the chassis and the seat are adapted to support the seat body, so that The seat body can adjust the pitch angle on the chassis through the driving mechanism.
  • the entire angle adjustment device is set on the seat, closer to the center of gravity of the seat body, making the angle adjustment more stable and supportive.
  • the connecting plate is basically arc-shaped and is adapted to fit the seat body.
  • the connecting plate is slidably connected to the seat body, and the entire angle adjustment device has better structural stability; a limit slot is provided to limit the seat.
  • the adjustment range of the pitch angle of the body is driven by the motor to slide the connecting rod in the limit slot, thereby driving the seat body to achieve angle adjustment.
  • the structure is compact and the stability is better.
  • the seat body is supported by the chair frame, and the connecting rod is connected to the driving mechanism.
  • the connecting rod is fixedly connected to the chair frame.
  • the driving mechanism drives the chair frame and then the entire seat body.
  • the connecting rod is equipped with a shaft sleeve, the gears are arranged at both ends of the shaft sleeve, and the shaft sleeve is connected to the motor; the length of the shaft sleeve is less than the length of the connecting rod.
  • the gear is installed by setting a bushing, and the rack is set on the chassis and driven by the motor, so that the gear moves on the rack; by setting the bushing to be driven by the motor to rotate on the connecting rod, the connecting rod can be fixedly connected to the chair frame, and then Forming a stable support structure makes the child safety seat more stable when adjusting the angle; by setting the length of the bushing to be shorter than the length of the connecting rod, the entire transmission structure is set in the middle of the seat, and the entire device structure Better stability.
  • the end of the shaft sleeve is provided with a positioning groove, and the inner wall of the gear is provided with a protrusion.
  • the protrusion cooperates with the positioning groove to limit the gear at both ends of the shaft sleeve; the shaft sleeve and the motor A deceleration mechanism is provided between them, and the deceleration mechanism is used to increase torque; a motor box is also installed on the shaft sleeve, and the motor box is used to install the motor; the motor box is provided with a through hole, and the through hole is connected to the motor box.
  • the shaft sleeve is adapted, and the through hole is used to fit the motor box on the shaft sleeve.
  • the gears are directly mounted on both ends of the shaft sleeve. It is easy and quick to install.
  • the shaft sleeve rotates under the action of the motor, and the gears at both ends of the shaft sleeve also rotate under the corresponding force.
  • the gears are prevented from slipping on the shaft sleeve and the structure is integrated. The performance is better and the rotation efficiency is greatly improved. In actual use, driving the ring gear to drive the seat body requires a large torque.
  • this technical solution greatly increases the torque by arranging a reduction mechanism, such as a gear set, between the shaft sleeve and the motor, making the low-power motor It can also drive the bushing and gear ring, which can not only reduce the cost, but also further reduce the size.
  • the size of the child safety seat needs to consider the space inside the car.
  • the child safety seats are fixed in the back row of the car.
  • the back row is narrow, so the back of the seat body also needs to be thinner.
  • the motor box is set on the shaft sleeve so that the motor is installed on the chair seat to avoid affecting the volume of the chair back and greatly improve the space utilization.
  • the present disclosure can also provide a child safety seat, including a seat body, the seat body is provided with an angle adjustment device, and the angle adjustment device is used to electrically adjust the pitch angle of the seat body.
  • the seat body includes a chair back and a seat part, and the angle adjustment device is provided on the seat part;
  • the angle adjustment device includes a chassis, the chassis is adapted to the seat part, and the chassis is used for Supporting the seat body, the angle adjustment device also includes a driving mechanism, the driving mechanism is used for the motor to drive the seat body to move on the chassis;
  • the chair seat is provided with a protection device, which is used to protect against leg pinching.
  • the protection device includes a sensor and a controller. The sensor senses the rotation of the seat body and the leg clamping, triggering the controller to control the angle adjustment device to stop. and/or back off.
  • the protection device senses changes in the seat part. When the change reaches the set value of the protection device, the protection device controls the angle adjustment device to stop rotating or return to the original angle.
  • the chassis is provided with a connecting plate, the connecting plate passes through the seat body, and the seat body is slidingly connected to the connecting plate;
  • the seat body is provided with a chair frame, and the chair frame includes a connecting
  • the connecting rod is slidably connected to the connecting plate, and the driving mechanism drives the seat body through the chair frame.
  • a limiting slot is provided on the connecting plate, the driving mechanism includes a motor, and the connecting rod slides in the limiting slot through the motor; a shaft sleeve is installed on the connecting rod, and both ends of the shaft sleeve A gear is provided, the output end of the motor is connected to the gear, the chassis is provided with a rack that matches the gear, the shaft sleeve is connected to the motor, and the motor drives the shaft sleeve to cause the gear to move on the rack.
  • the end of the shaft sleeve is provided with a positioning groove, and the inner wall of the gear is provided with a protrusion.
  • the protrusion cooperates with the positioning groove to limit the gear at both ends of the shaft sleeve; the shaft sleeve and the motor A deceleration mechanism is provided between them, and the deceleration mechanism is used to increase torque; a motor box is also installed on the shaft sleeve, and the motor box is used to install the motor; the motor box is provided with a through hole, and the through hole is connected to the motor box.
  • the shaft sleeve is adapted, and the through hole is used to fit the motor box on the shaft sleeve.
  • the seat body is further provided with a sensing device, the sensing device is used to sense the vacancy of the seat body, and the sensing device senses that the seat body is not empty. Activate the protective device when sitting in a chair.
  • a sensing device is provided to sense whether there is a child on the seat body. When the sensing device senses that the seat body is not an empty chair, the protection device is activated to prevent empty chairs from being activated and wasting energy.
  • the protection device is provided at the leg end of the seat body, and the protection device is triggered by sensing changes in pressure at the leg end.
  • the protection device is a pressure sensor.
  • one end of the seat body is the headrest and the other end is the leg rest for placing the legs.
  • the leg rest feels pressure. Changes, especially when adjusting the pitch angle, the greater the pitch angle, the closer the legs will be to the leg rest, the greater the pressure sensed by the leg rest, and the closer the legs will be to the adult seat in front, the seat body will easily get pinched if the seat body continues to turn.
  • a protective device is set at the leg end. When the pressure reaches the set value, it is triggered and controls the seat body to stop turning, which greatly improves the safety of use.
  • the protection device is connected to the driving mechanism, and the protection device is used to induce current change triggering of the driving mechanism.
  • the protection device is a current sensor.
  • this technical solution sets a protection device for sensing the current change of the driving mechanism.
  • the protection device is triggered and the seat body is controlled to no longer turn to ensure the safety of the children riding on it.
  • the present disclosure provides a child safety seat, which realizes the pitch angle adjustment of the child safety seat through an angle adjustment mechanism.
  • the connecting rod is connected to the driving mechanism, and the motor drives the shaft sleeve set on the connecting rod.
  • the gears are installed at both ends of the shaft sleeve. , the gear is driven by the bushing to move on the rack.
  • the rack is installed on the chassis, so that the seat body can be angled on the chassis.
  • the connecting rod and the chair frame form a fixed support structure, which ensures stability during angle adjustment.
  • the child safety seat provided by this application has the advantages of compact structure, good support, and high safety in use.
  • Figure 1 An exploded view of a child safety seat provided by the present disclosure
  • FIG. 1 Structural diagram of the chassis in the present disclosure
  • Figure 3 A partial structural schematic diagram of the driving mechanism in the present disclosure
  • Figure 4 A partial structural diagram of Embodiment 2 of the present disclosure
  • Figure 5 Structural diagram of the toothed ring in the present disclosure
  • Figure 6 A schematic structural diagram of a child safety seat provided by the present disclosure
  • Figure 7 Structural diagram of the seat body in this disclosure.
  • this embodiment provides a child safety seat, which specifically includes a seat body 1 and a base 2.
  • the seat body 1 is installed on the base 2, and the base 2 is used to fix the child safety seat in the car.
  • the seat body 1 includes a chair back 3 and a seat part 4.
  • the seat part 4 is provided with an angle adjustment device.
  • the angle adjustment device includes a chassis 5 and a driving mechanism.
  • the chassis 5 is disk-shaped, and the bottom of the chassis 5 and the seat part 4 is It is adapted to support the seat body 1.
  • the center of gravity of the seat body 1 falls on the chassis 5.
  • the disc-shaped chassis 5 is installed between the seat body 1 and the base 2.
  • the seat body 1 can be moved on the chassis 5 through the driving mechanism.
  • the pitch angle is automatically adjusted.
  • the entire angle adjustment device is arranged on the seat portion 4, closer to the center of gravity of the seat body 1.
  • the rotation stability of the seat body 1 is better.
  • the connecting plates 6 are symmetrically arranged on the chassis 5.
  • the connecting plates 6 are basically arc-shaped and adapt to the shape of the seat body 1.
  • the connecting plates 6 pass through the seat part 4 of the seat body 1, and the chassis 5
  • the connecting plate 6 is slidingly connected to the seat part 4.
  • the connecting plate 6 is provided with a limiting slot 7 for limiting the adjustment range of the pitch angle of the seat body 1;
  • the seat body 1 is provided with a chair frame 9, and the chair frame 9 is connected to the chair.
  • the back 3 and the chair frame 9 include a connecting rod 8, which is slidingly connected to the connecting plate 6.
  • the driving mechanism includes a motor. Both ends of the connecting rod 8 are respectively penetrated into the limiting grooves 7 of the two connecting plates 6.
  • the limiting grooves 7 It is a waist-shaped groove; the connecting rod 8 is connected to the driving mechanism, and the connecting rod 8 slides in the limiting groove 7 through the motor, thereby driving the seat body 1 to realize pitch angle adjustment.
  • the connecting rod 8 is equipped with a shaft sleeve 12.
  • the shaft sleeve 12 is provided with an inner hole for installing the connecting rod 8.
  • the shape of the inner hole matches the shape of the connecting rod 8.
  • Gears 10 are respectively installed at both ends of the shaft sleeve 12. 12 is connected to the motor.
  • the motor drives the gear 10 to move on the rack 11 through the drive sleeve 12.
  • the length of the sleeve 12 is smaller than the length of the connecting rod 8.
  • the connecting rod 8 can be fixedly connected to the chair frame 9 to form a stable support structure. , and the entire motion mechanism is between the connecting plates 6, and the entire transmission structure is arranged in the middle of the seat part 4, so the stability is good.
  • the end of the sleeve 12 is provided with a positioning groove 13, and the inner wall of the gear 10 is provided with a protrusion 14.
  • the protrusion 14 cooperates with the positioning groove 13 to limit the position of the gear 10 on both sides of the sleeve 12.
  • the positioning groove 13 is a long strip with an open end, so that the gear 10 can be quickly installed by aligning the protrusion 14 with the positioning groove 13.
  • the structure of the protrusion 14 and the positioning groove 13 can prevent the gear 10 from slipping with the sleeve 12, affecting the rotation efficiency.
  • a motor box 15 is also installed on the shaft sleeve 12. The motor box 15 is used to place the motor.
  • the motor box 15 is provided with a through hole.
  • the motor box 15 is sleeved on the shaft sleeve 12 through the through hole, so that the motor is installed on the chair seat 4.
  • the volume of the seat body 1 will not be increased during the installation process; a reduction mechanism 16 is provided between the motor and the shaft sleeve 12 for increasing torque.
  • the reduction mechanism 16 provided in this embodiment is two bevel gears 10 meshing Formed, one bevel gear 10 is connected to the motor output shaft, and the other bevel gear 10 is sleeved on the sleeve 12.
  • the inner wall of the bevel gear 10 sleeved on the sleeve 12 is provided with a protrusion 14 for installation on the sleeve 12. In the positioning slot 13, the torque is increased through the reduction mechanism 16, so that a small motor can also drive the seat body 1 to move, which not only saves costs, but also reduces the size of the motor and saves installation space.
  • the basic shape of the sleeve 12 can be circular, and the circular sleeve 12 needs to fix the gear 10 through the positioning groove 13; the sleeve 12 can also be a square, a rectangle, or other polygonal shapes, and the circular sleeve 12 can be a polygonal shape.
  • the shaft sleeve 12 does not need to be provided with a positioning groove 13. It only needs to change the sleeve hole of the gear 10 to match the basic shape of the shaft sleeve 12, so that the positioning and anti-slip purpose can be achieved, and the installation and use are convenient.
  • this embodiment provides a child safety seat, which includes a seat body 1 and a base 2.
  • the seat body 1 is installed on the base 2, and the base 2 is used to fix the child safety seat on the base 2.
  • the seat body 1 includes a seat back 3 and a seat portion 4.
  • the seat portion 4 is provided with an angle adjustment device.
  • the angle adjustment device includes a chassis 5 and a driving mechanism.
  • the chassis 5 is disk-shaped, and the chassis 5 and the seat portion 4 The bottom is adapted to support the seat body 1.
  • the center of gravity of the seat body 1 falls on the chassis 5.
  • the disc-shaped chassis 5 is installed between the seat body 1 and the base 2.
  • the seat body 1 can be moved on the seat body 1 through the driving mechanism.
  • the pitch angle is automatically adjusted on the chassis 5.
  • the entire angle adjustment device is arranged on the seat portion 4, closer to the center of gravity of the seat body 1.
  • the rotation stability of the seat body 1 is better.
  • the seat body 1 is provided with a protection device 18.
  • the angle adjustment device is used to electrically adjust the pitch angle of the seat body 1.
  • the protection device 18 is used to protect against leg pinching.
  • the protection device 18 includes a sensor and a The controller and the sensor trigger the controller when the seat body rotates and clamps the legs, and the controller controls the angle adjustment device to stop rotating or return to the original angle to prevent the seat body 1 from accidentally injuring the child's limbs.
  • the connecting plates 6 are symmetrically arranged on the chassis 5.
  • the connecting plates 6 are basically arc-shaped and adapt to the shape of the seat body 1.
  • the connecting plates 6 pass through the seat part 4 of the seat body 1, and the chassis 5 passes through the connecting plates.
  • 6 is slidingly connected to the seat body 1, and the connecting plate 6 is provided with a limiting slot 7 for limiting the adjustment range of the pitch angle of the seat body 1;
  • the seat body 1 is provided with a chair frame 9, and the chair frame 9 includes a connecting rod 8.
  • the connecting rod 8 is slidingly connected to the connecting plate 6.
  • the driving mechanism includes a motor. Both ends of the connecting rod 8 are respectively inserted into the limiting grooves 7 of the two connecting plates 6.
  • the limiting grooves 7 are waist-shaped grooves; the connecting rod 8 and the driving mechanism
  • the connecting rod 8 slides in the limiting slot 7 through the motor, thereby driving the seat body 1 to adjust the pitch angle.
  • the connecting rod 8 is equipped with a shaft sleeve 12.
  • the shaft sleeve 12 is provided with an inner hole for installing the connecting rod 8.
  • the shape of the inner hole matches the shape of the connecting rod 8.
  • Gears 10 are installed at both ends of the shaft sleeve 12.
  • the shaft sleeve 12 is connected to the motor. , the motor drives the gear 10 to move on the rack 11 through the drive sleeve 12.
  • the length of the sleeve 12 is smaller than the length of the connecting rod 8.
  • the connecting rod 8 can be fixedly connected to the chair frame 9 to form a stable support structure, and the entire movement
  • the mechanism is located between the connecting plates 6, and the entire transmission structure is arranged in the middle of the seat part 4, so the stability is good.
  • the end of the sleeve 12 is provided with a positioning groove 13, and the inner wall of the gear 10 is provided with a protrusion 14.
  • the protrusion 14 cooperates with the positioning groove 13 to limit the position of the gear 10 at both ends of the sleeve 12.
  • the positioning grooves 13 is a long strip with an open end, so that the gear 10 can be quickly installed by aligning the protrusion 14 with the positioning groove 13.
  • a motor box 15 is also installed on the shaft sleeve 12.
  • the motor box 15 is used to place the motor.
  • the motor box 15 is provided with a through hole.
  • the motor box 15 is sleeved on the shaft sleeve 12 through the through hole, so that the motor is installed on the chair seat 4.
  • the volume of the seat body 1 will not be increased during the installation process; a reduction mechanism 16 is provided between the motor and the shaft sleeve 12 for increasing torque.
  • the reduction mechanism 16 provided in this embodiment is two bevel gears 10 meshing Formed, one bevel gear 10 is connected to the motor output shaft, and the other bevel gear 10 is sleeved on the sleeve 12.
  • the inner wall of the bevel gear 10 sleeved on the sleeve 12 is provided with a protrusion 14 for installation on the sleeve 12.
  • the torque is increased through the reduction mechanism 16, so that a small motor can also drive the seat body 1 to move, which not only saves costs, but also reduces the size of the motor and saves installation space.
  • the basic shape of the sleeve 12 can be circular, and the circular sleeve 12 needs to fix the gear 10 through the positioning groove 13; the sleeve 12 can also be a square, a rectangle, or other polygonal shapes, and the circular sleeve 12 can be a polygonal shape.
  • the shaft sleeve 12 does not need to be provided with a positioning groove 13. It only needs to change the sleeve hole of the gear 10 to match the basic shape of the shaft sleeve 12, so that the positioning and anti-slip purpose can be achieved, and the installation and use are convenient.
  • this embodiment provides a child safety seat based on Embodiment 2, in which a sensing device 17 is provided on the seat body 1, and the sensing device 17 is used to sense the empty seat of the seat body 1.
  • the sensing device 17 is a pressure sensor.
  • the pressure sensor is installed on the seat portion 4 and determines whether there is a child on the seat body 1 by sensing changes in the pressure of the seat portion 4 .
  • this embodiment provides a protection device 18 which is a pressure sensor.
  • One end of the seat body 1 is a headrest and the other end is a leg rest 19 for placing the legs.
  • the steering protection device 18 is provided on the seat body 1 .
  • Leg end 19 when the seat body 1 is turning, the child's legs approach or move away from the leg end 19, and the leg end 19 will feel pressure changes, especially when the pitch angle is adjusted. The greater the elevation angle, the closer the legs will be to the leg end 19. The greater the pressure sensed by the leg end 19 and the leg end 19, and the closer the legs are to the adult seat in front, the seat body 1 will easily pinch the legs if it continues to turn.
  • a protective device 18 is installed at the leg end 19 to sense the pressure. When the set value is reached, it is triggered to control the seat body 1 to stop; two pressure sensors are provided at intervals at the leg end 19 to expand the sensing area and improve sensing accuracy.
  • this embodiment can also provide a protection device 18 that is a current sensor.
  • a protection device 18 that is a current sensor.
  • the protection mechanism determines whether it is safe for the seat body 1 to continue turning by sensing the current change of the driving mechanism.
  • the protection device 18 is triggered and controls the seat body 1 to no longer turn, ensuring that the children riding on it Safety.
  • the present disclosure provides a child safety seat, which realizes the pitch angle adjustment of the child safety seat through an angle adjustment mechanism.
  • the connecting rod 8 is connected to the chair frame 9, and the shaft sleeve 12 set on the connecting rod 8 is driven by a motor, and the gear 10 is installed. At both ends of the sleeve 12, the gear 10 is driven by the sleeve 12 to move on the rack 11.
  • the rack 11 is installed on the chassis 5, so that the seat body 1 can be angularly adjusted on the chassis 5.
  • the connecting rod 8 is connected to the chair.
  • the frame 9 forms a fixed support structure, which makes the stability during angle adjustment better; by setting the protection device 18 on the seat part, the probability of accidentally injuring the child during the rotation of the seat body 1 is reduced, and the safety of use is improved; by setting the sensor
  • the device 17 is used to detect that the seat body 1 is not an empty seat and then activate the protection device 18 to prevent empty seat protection from wasting energy.
  • the child safety seat provided by this application has the advantages of compact structure, good support, and high safety in use.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Seats For Vehicles (AREA)

Abstract

一种儿童安全座椅，包括座椅本体(1)，座椅本体(1)设置有角度调节装置，角度调节装置用于电动调节座椅本体(1)的俯仰角度；座椅本体(1)包括椅背部（3）和椅座部（4），角度调节装置设置在椅座部（4）；角度调节装置包括底盘（5）和驱动机构，底盘（5）与椅座部（4）适配，底盘（5）用于支撑座椅本体(1)，驱动机构用于驱动座椅本体(1)在底盘（5）上运动；椅座部（4）设置有保护装置（18），保护装置（18）用于防夹腿保护，包括传感器和控制器，传感器感应座椅本体(1)转动夹腿，触发控制器控制角度调节装置停滞或后退。座椅本体(1)还设置有感应装置（17），用于感应座椅本体(1)的空椅情况，感应装置（17）感应到座椅本体(1)为非空椅时启动保护装置（18）；具有结构紧凑、支撑性较好、防夹腿、避免空椅保护浪费电能的优点。

Description

一种儿童安全座椅 技术领域
 本公开涉及安全座椅技术领域，具体是涉及一种儿童安全座椅。
 背景技术
 汽车儿童安全座椅是一种专为不同年龄儿童设计、安装在车内、能有效提高儿童乘车安全性的座椅。随着车辆安全意识的逐步提高，儿童安全座椅已普及使用，而传统使用的儿童安全座椅均为固定安装在汽车内，在实际使用时，对于不同年龄、体型、睡眠等不同状态及使用舒适度的要求等均不相同，因此常常需要对安全座椅进行倾斜角度调节。
 目前，现有技术中已经存在一些儿童安全座椅倾斜角度自动调节的相关技术方案，如，公开号为：CN108128221A的发明专利，公开了儿童安全座椅及椅背俯仰角度调节机构，包括底座与椅体，椅体包括一体的椅座与椅背，椅座的底部设有向椅背方向延伸的弧形轨道，弧形轨道内设有可在弧形轨道内滑动的弧形固定架，弧形固定架的底部设有轴接于底座的固定轴，通过移动弧形固定架在弧形轨道内的位置来实现椅背的俯仰角度，其优点是弧形固定架的底部设有轴接于底座的固定轴，弧形固定架位于弧形轨道内，通过移动弧形固定架在弧形轨道内，也就是通过调整弧形固定架在椅背上的位置来实现椅背的俯仰角度。该技术方案中的调节装置设置在椅背外侧，使得整个座椅本体的结构紧凑性不好、支撑性较差，在车内使用时，由于车内空间小，座椅转动达到一定角度容易夹伤儿童的肢体，转动过程中无法保障儿童的安全，存在使用安全的问题。
 从现有技术公开的内容来看，目前带有倾斜角度自动调节功能的儿童安全座椅存在易夹腿、安全性较差、使用不便等问题。
 发明内容
 本公开针对现有技术中带有倾斜角度自动调节功能的儿童安全座椅存在易夹腿、安全性较差、使用不便的问题，提供一种儿童安全座椅，具有防夹腿、安全性较好、使用方便的优点。
 本公开的构思之一是在于提供一种儿童安全座椅，具体包括座椅本体，所述座椅本体设置有角度调节装置，所述角度调节装置用于电动调节座椅本体的俯仰角度；所述座椅本体包括椅背部和椅座部，所述角度调节装置设置在椅座部。
 进一步的，所述角度调节装置包括底盘、驱动机构和齿轮，所述底盘与椅座部适配，所述底盘用于支撑座椅本体；
所述底盘上设置有连接板，所述椅座部通过连接板与底盘滑动连接；所述椅座部设置有椅架，所述椅架包括连接杆，所述连接杆与椅架固定连接，所述连接板上设置有限位槽，所述连接杆与限位槽滑动配合；齿轮转动连接在连接杆上，所述驱动机构与齿轮传动连接，所述底盘上设置有与齿轮配合的齿条，所述驱动机构驱动齿轮使得座椅本体滑动。
 在实际使用过程中，俯仰角度调节也是儿童安全座椅的常用功能，而现有技术中，大多儿童安全座椅仍是通过手动调节实现，手动调节费力耗时、调节不方便，而本技术方案中，通过角度调节装置实现座椅本体的俯仰角度电动调节，相比于手动调节更加省时省力，而且，通过设置底盘与驱动机构，底盘与椅座部适配用于支撑座椅本体，使得座椅本体通过驱动机构可以在底盘上进行俯仰角度调节，整个角度调节装置设置在椅座部，更靠近座椅本体的重心，使得角度调节时稳定性、支撑性都更好。本技术方案中，连接板基本为弧形，与座椅本体适配安装，通过连接板与座椅本体滑动连接，整个角度调节装置结构稳定性更好；通过设置限位槽用于限制座椅本体俯仰角度的调节范围，通过电机驱动连接杆在限位槽内滑动，进而带动座椅本体实现角度调节，结构紧凑、稳定性更好。
 另一方面，本技术方案中通过设置座椅本体依靠椅架支撑，而连接杆与驱动机构连接，连接杆与椅架固定连接，驱动机构通过带动椅架，进而带动整个座椅本体，相比于现有技术独立设置的连接杆稳定性和支撑性都更好，并且现有技术的旋转结构磨损大、连接结构强度也不高。
 更进一步的，所述连接杆上安装有轴套，所述齿轮设置在轴套两端，所述轴套连接电机；所述轴套长度小于连接杆长度。通过设置轴套安装齿轮，将齿条设置在底盘上通过电机驱动，使得齿轮在齿条上运动；通过设置轴套受电机驱动在连接杆上转动，可以将连接杆与椅架固定连接，进而形成一个稳定的支撑结构，使得儿童安全座椅在角度调节时稳定性更好；通过设置轴套的长度短于连接杆的长度，使得整个传动结构均设置在椅座部的中部，整个装置结构稳定性更好。
 更进一步的，所述轴套端部设置有定位槽，所述齿轮内壁设置有凸起，所述凸起与定位槽配合用于将齿轮限位在轴套两端；所述轴套与电机之间设置有减速机构，所述减速机构用于增加扭矩；所述轴套上还安装有电机盒，所述电机盒用于安装电机；所述电机盒设置有通孔，所述通孔与轴套适配，所述通孔用于将电机盒套装在轴套上。
 本技术方案中，齿轮直接套装在轴套两端。安装方便快捷，轴套受电机作用下转动，轴套两端的齿轮也受到相应的作用力转动，通过轴套端部的定位槽与齿轮内壁的凸起，防止齿轮在轴套上打滑、结构整体性更好，大大提高了转动效率。在实际使用过程中，驱动齿环带动座椅本体转动需要较大的扭矩，而本技术方案通过在轴套与电机之间设置减速机构，如齿轮组，大大增加了扭矩，使得小功率的电机也可以带动轴套和齿环，不仅可以降低成本，还可以进一步缩小体积。儿童安全座椅的体积需要考虑车内空间，尤其儿童安全座椅均是固定在车内后排，后排较窄，因此座椅本体的椅背部也需要做的较薄；本技术方案中通过设置套装在轴套上的电机盒，使得电机安装在椅座部，避免对椅背部的体积造成影响，大大提高了空间利用率。
 本公开还可以提供一种儿童安全座椅，包括座椅本体，所述座椅本体设置有角度调节装置，所述角度调节装置用于电动调节座椅本体的俯仰角度。
 进一步的，所述座椅本体包括椅背部和椅座部，所述角度调节装置设置在椅座部；所述角度调节装置包括底盘，所述底盘与椅座部适配，所述底盘用于支撑座椅本体，所述角度调节装置还包括驱动机构，所述驱动机构用于电机驱动座椅本体在底盘上运动；
所述椅座部设置有保护装置，所述保护装置用于防夹腿保护，所述保护装置包括传感器和控制器，所述传感器感应座椅本体转动夹腿，触发控制器控制角度调节装置停滞和/或后退。
 在实际的生活使用过程中，由于车内空间有限，尤其是后排在安装儿童安全座椅后，则儿童安全座椅在俯仰角度调节过程中，操作不当容易夹住儿童的腿部，使用安全性较低。本技术方案在使用角度调节装置时，保护装置通过感应椅座部的变化，当变化达到保护装置的设定值，则保护装置控制角度调节装置停止转动或转回原本角度。
 更进一步的，所述底盘上设置有连接板，所述连接板穿过座椅本体，所述座椅本体与连接板滑动连接；所述座椅本体设置有椅架，所述椅架包括连接杆，连接杆与连接板滑动连接，所述驱动机构通过椅架带动座椅本体。
 更进一步的，所述连接板上设置有限位槽，所述驱动机构包括电机，所述连接杆通过电机在限位槽内滑动；所述连接杆上安装有轴套，所述轴套两端设置有齿轮，所述电机的输出端与齿轮连接，所述底盘上设置有与齿轮配合的齿条，所述轴套连接电机，所述电机通过驱动轴套使得齿轮在齿条上运动。
 更进一步的，所述轴套端部设置有定位槽，所述齿轮内壁设置有凸起，所述凸起与定位槽配合用于将齿轮限位在轴套两端；所述轴套与电机之间设置有减速机构，所述减速机构用于增加扭矩；所述轴套上还安装有电机盒，所述电机盒用于安装电机；所述电机盒设置有通孔，所述通孔与轴套适配，所述通孔用于将电机盒套装在轴套上。
 更进一步的，本公开的另一构思在于，所述座椅本体还设置有感应装置，所述感应装置用于感应座椅本体的空椅情况，所述感应装置感应到座椅本体为非空椅时启动保护装置。通过设置感应装置，用于感应座椅本体上是否存在儿童，当感应装置感应到座椅本体非空椅时，则保护装置启动，防止空椅启动浪费能耗。
 在一些实施方式中，所述保护装置设置在座椅本体的置腿端，所述保护装置通过感应置腿端压力变化触发。
 更进一步的，所述保护装置为压力传感器。
 在实际使用过程中，座椅本体一端为头枕部、另一端为放置腿部的置腿端，在座椅本体转向过程中，儿童腿部靠近或远离置腿端，置腿端感受到压力变化，尤其是俯仰角度调节时，仰角越大，则腿部越靠近置腿端，置腿端感应到的压力越大，且腿部越靠近前方成人座椅，座椅本体继续转向容易夹伤腿部，设置保护装置在置腿端，感应到压力达到设定值则触发，控制座椅本体停止转向，大大提高了使用安全性。
 和/或，在一些实施方式中，所述保护装置连接驱动机构，所述保护装置用于感应驱动机构的电流变化触发。
 更进一步的，所述保护装置为电流传感器。
 在实际使用过程中，当儿童乘坐安全座椅时会随座椅本体转动，转动过程中座椅本体感受到的作用力不同，驱动机构对座椅本体的作用力也不同，此时驱动机构的电流产生变化，本技术方案通过设置用于感应驱动机构电流变化的保护装置，当电流变化达到设定值即触发保护装置，控制座椅本体不再转向，确保乘坐的儿童安全。
 本公开提供一种儿童安全座椅，通过角度调节机构实现儿童安全座椅的俯仰角度调节，连接杆与驱动机构连接，通过电机驱动套装在连接杆上的轴套，齿轮安装在轴套两端，齿轮受到轴套的带动在齿条上运动，齿条安装在底盘上，使得座椅本体能够在底盘上进行角度调节，连接杆与椅架形成固定的支撑结构，使得角度调节时的稳定性更好；通过在座椅部设置保护装置，降低座椅本体在转动过程中误伤儿童的概率，提高使用安全性；通过设置感应装置用于检测座椅本体为非空椅后启动保护装置，防止空椅保护浪费能耗。本申请提供的一种儿童安全座椅，具有结构紧凑、支撑性较好、使用安全性较高的优点。
 附图说明
 以下将结合附图和优选实施例来对本公开进行进一步详细描述，但是本领域技术人员将领会的是，这些附图仅是出于解释优选实施例的目的而绘制的，并且因此不应当作为对本公开范围的限制。此外，除非特别指出，附图仅示意在概念性地表示所描述对象的组成或构造并可能包含夸张性显示，并且附图也并非一定按比例绘制。
 图1：本公开所提供的一种儿童安全座椅的爆炸视图；
图2：本公开中底盘的结构示意图；
图3：本公开中驱动机构的局部结构示意图；
图4：本公开中实施例2的局部结构示意图；
图5：本公开中齿环的结构示意图；
图6：本公开所提供的一种儿童安全座椅的结构示意图；
图7：本公开中座椅本体的结构示意图。
 其中，1、座椅本体；2、底座；3、椅背部；4、椅座部；5、底盘；6、连接板；7、限位槽；8、连接杆；9、椅架；10、齿轮；11、齿条；12、轴套；13、定位槽；14、凸起；15、电机盒；16、减速机构；17、感应装置；18、保护装置；19、置腿端。
 实施方式
 下面结合附图1至7，对本公开作详细的说明。
 为了使本公开的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本公开进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本公开，并不用于限定本公开。
 实施例1
如图1所示，本实施例提供一种儿童安全座椅，具体包括座椅本体1和底座2，座椅本体1安装在底座2上，底座2用于将儿童安全座椅固定在车内，座椅本体1包括椅背部3和椅座部4，椅座部4设置有角度调节装置，角度调节装置包括底盘5和驱动机构，底盘5呈圆盘状，底盘5与椅座部4底部适配用于支撑座椅本体1，座椅本体1的重心落在底盘5上，圆盘状底盘5安装在座椅本体1与底座2之间，座椅本体1通过驱动机构可以在底盘5上进行俯仰角度自动调节，整个角度调节装置设置在椅座部4，更靠近座椅本体1的重心，座椅本体1转动稳定性较好。
 进一步的，底盘5上对称设置有两个连接板6，连接板6基本为弧形，与座椅本体1的形状适配，连接板6穿过座椅本体1的椅座部4，底盘5通过连接板6与椅座部4滑动连接，连接板6上设置有限位槽7，用于限制座椅本体1俯仰角度的调节范围；座椅本体1设置有椅架9，椅架9连接椅背部3，椅架9包括连接杆8，连接杆8与连接板6滑动连接，驱动机构包括电机，连接杆8两端分别穿设于两个连接板6的限位槽7，限位槽7为腰型槽；连接杆8与驱动机构连接，连接杆8通过电机在限位槽7内滑动，进而带动座椅本体1实现俯仰角度调节。
 更进一步的，连接杆8外套装有轴套12，轴套12设置有内孔用于安装连接杆8，内孔形状与连接杆8形状吻合，轴套12两端分别安装齿轮10，轴套12与电机连接，电机通过驱动轴套12带动齿轮10在齿条11上运动，轴套12的长度小于连接杆8的长度，连接杆8可以与椅架9固定连接，形成一个稳定的支撑结构，并且整个运动机构处于连接板6之间，整个传动结构均设置在椅座部4的中部，稳定性较好。
 更进一步的，如图4所示，轴套12端部设置有定位槽13，齿轮10内壁设置有凸起14，凸起14与定位槽13配合用于将齿轮10限位在轴套12两端，定位槽13为端部开口的长条状，使得齿轮10通过凸起14对位定位槽13快速安装，凸起14和定位槽13结构能够防止齿轮10与轴套12打滑，影响转动效率。轴套12上还安装有电机盒15，电机盒15用于放置电机，电机盒15设置有通孔，电机盒15通过通孔套装在轴套12上，使得电机安装在椅座部4，在安装过程中不会增大座椅本体1的体积；电机与轴套12之间设置有减速机构16，用于增大扭矩，本实施例中提供的减速机构16为两个锥形齿轮10啮合形成，一个锥形齿轮10连接电机输出轴，另一个锥形齿轮10套装在轴套12上，套装在轴套12上的锥形齿轮10内壁设置有凸起14，用于安装在轴套12的定位槽13内，通过减速机构16增大扭矩，使得小电机也可以带动座椅本体1运动，不仅节省成本，还减小电机的体积、节省安装空间。
 另一方面，本实施例中，轴套12的基本形状可以为圆形，圆形轴套12则需要通过定位槽13固定齿轮10；轴套12还可以为正方形、长方形等其他多边形，则多边形轴套12无需设置定位槽13，只需要改变齿轮10套装孔与轴套12的基本形状吻合，即可实现定位防打滑目的，安装使用方便。
 实施例2
如图1至图5所示，本实施例提供一种儿童安全座椅，包括座椅本体1和底座2，座椅本体1安装在底座2上，底座2用于将儿童安全座椅固定在车内，座椅本体1包括椅背部3和椅座部4，椅座部4设置有角度调节装置，角度调节装置包括底盘5和驱动机构，底盘5呈圆盘状，底盘5与椅座部4底部适配用于支撑座椅本体1，座椅本体1的重心落在底盘5上，圆盘状底盘5安装在座椅本体1与底座2之间，座椅本体1通过驱动机构可以在底盘5上进行俯仰角度自动调节，整个角度调节装置设置在椅座部4，更靠近座椅本体1的重心，座椅本体1转动稳定性较好。
 其中，座椅本体1设置有保护装置18，角度调节装置用于电动调节座椅本体1的俯仰角度，保护装置18用于防夹腿保护，在使用角度调节装置时，保护装置18包括传感器和控制器，传感器通过感应座椅本体转动夹腿时，触发控制器，则控制器控制角度调节装置停止转动或转回原本角度，防止座椅本体1转向误伤儿童肢体。
 底盘5上对称设置有两个连接板6，连接板6基本为弧形，与座椅本体1的形状适配，连接板6穿过座椅本体1的椅座部4，底盘5通过连接板6与座椅本体1滑动连接，连接板6上设置有限位槽7，用于限制座椅本体1俯仰角度的调节范围；座椅本体1设置有椅架9，椅架9包括连接杆8，连接杆8与连接板6滑动连接，驱动机构包括电机，连接杆8两端分别穿设于两个连接板6的限位槽7，限位槽7为腰型槽；连接杆8与驱动机构连接，连接杆8通过电机在限位槽7内滑动，进而带动座椅本体1实现俯仰角度调节。连接杆8外套装有轴套12，轴套12设置有内孔用于安装连接杆8，内孔形状与连接杆8形状吻合，轴套12两端分别安装齿轮10，轴套12与电机连接，电机通过驱动轴套12带动齿轮10在齿条11上运动，轴套12的长度小于连接杆8的长度，连接杆8可以与椅架9固定连接，形成一个稳定的支撑结构，并且整个运动机构处于连接板6之间，整个传动结构均设置在椅座部4的中部，稳定性较好。如图4所示，轴套12端部设置有定位槽13，齿轮10内壁设置有凸起14，凸起14与定位槽13配合用于将齿轮10限位在轴套12两端，定位槽13为端部开口的长条状，使得齿轮10通过凸起14对位定位槽13快速安装，凸起14和定位槽13结构能够防止齿轮10与轴套12打滑，影响转动效率。轴套12上还安装有电机盒15，电机盒15用于放置电机，电机盒15设置有通孔，电机盒15通过通孔套装在轴套12上，使得电机安装在椅座部4，在安装过程中不会增大座椅本体1的体积；电机与轴套12之间设置有减速机构16，用于增大扭矩，本实施例中提供的减速机构16为两个锥形齿轮10啮合形成，一个锥形齿轮10连接电机输出轴，另一个锥形齿轮10套装在轴套12上，套装在轴套12上的锥形齿轮10内壁设置有凸起14，用于安装在轴套12的定位槽13内，通过减速机构16增大扭矩，使得小电机也可以带动座椅本体1运动，不仅节省成本，还减小电机的体积、节省安装空间。
 另一方面，本实施例中，轴套12的基本形状可以为圆形，圆形轴套12则需要通过定位槽13固定齿轮10；轴套12还可以为正方形、长方形等其他多边形，则多边形轴套12无需设置定位槽13，只需要改变齿轮10套装孔与轴套12的基本形状吻合，即可实现定位防打滑目的，安装使用方便。
 实施例3
如图6和图7所示，本实施例基于实施例2提供一种儿童安全座椅，其中，座椅本体1上设置有感应装置17，感应装置17用于感应座椅本体1的空椅情况，感应装置17为压力传感器，压力传感器安装在椅座部4，通过感应椅座部4压力的变化判断座椅本体1上是否有儿童。
 进一步的，本实施例提供一种保护装置18为压力传感器，座椅本体1一端为头枕部、另一端为放置腿部的置腿端19，转向保护装置18设置在座椅本体1的置腿端19，座椅本体1在转向过程中，儿童腿部靠近或远离置腿端19，置腿端19感受到压力变化，尤其是俯仰角度调节时，仰角越大，则腿部越靠近置腿端19，置腿端19感应到的压力越大，且腿部越靠近前方成人座椅，座椅本体1继续转向容易夹伤腿部，设置保护装置18在置腿端19，感应到压力达到设定值则触发，控制座椅本体1停止；置腿端19间隔设置有两个压力传感器，扩大感应面积，提高感应精准度。
 和/或，本实施例还可以提供一种保护装置18为电流传感器，座椅本体1转向过程中，重心和受到的作用力不断发生变化，则角度调节装置的驱动机构对座椅本体1的作用力也不断变化，保护机构通过感应驱动机构的电流变化判断座椅本体1继续转向是否安全，当电流变化达到设定值即触发保护装置18，控制座椅本体1不再转向，确保乘坐的儿童安全。
 本公开提供一种儿童安全座椅，通过角度调节机构实现儿童安全座椅的俯仰角度调节，连接杆8与椅架9连接，通过电机驱动套装在连接杆8上的轴套12，齿轮10安装在轴套12两端，齿轮10受到轴套12的带动在齿条11上运动，齿条11安装在底盘5上，使得座椅本体1能够在底盘5上进行角度调节，连接杆8与椅架9形成固定的支撑结构，使得角度调节时的稳定性更好；通过在座椅部设置保护装置18，降低座椅本体1在转动过程中误伤儿童的概率，提高使用安全性；通过设置感应装置17用于检测座椅本体1为非空椅后启动保护装置18，防止空椅保护浪费能耗。本申请提供的一种儿童安全座椅，具有结构紧凑、支撑性较好、使用安全性较高的优点。
 以上对本公开进行了详细介绍，本文中应用了具体个例对本公开的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本公开及核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开原理的前提下，还可以对本公开进行若干改进和修饰，这些改进和修饰也落入本公开权利要求的保护范围内。
在此处键入序列表自由内容描述段落。

Claims (10)

  1.  一种儿童安全座椅，其特征在于，包括座椅本体，所述座椅本体设置有角度调节装置，所述角度调节装置用于电动调节座椅本体的俯仰角度；
    其中，所述座椅本体包括椅背部和椅座部，所述角度调节装置设置在椅座部；所述角度调节装置包括底盘，所述底盘与椅座部适配，所述底盘用于支撑座椅本体，所述角度调节装置还包括驱动机构，所述驱动机构用于驱动座椅本体在底盘上运动；
    所述椅座部设置有保护装置，所述保护装置用于防夹腿保护，所述保护装置包括传感器和控制器，所述传感器感应座椅本体转动夹腿，触发控制器控制角度调节装置停滞和/或后退。
  2.  根据权利要求1所述的一种儿童安全座椅，其特征在于，所述底盘上设置有连接板，所述连接板穿过座椅本体，所述底盘通过连接板连接座椅本体，所述座椅本体与底盘通过连接板滑动连接；所述座椅本体设置有椅架，所述椅架包括连接杆，所述连接杆与连接板滑动连接，所述驱动机构通过椅架带动座椅本体。
  3.  根据权利要求2所述的一种儿童安全座椅，其特征在于，所述连接板上设置有限位槽；所述驱动机构包括电机，所述连接杆通过电机在限位槽内滑动；所述连接杆上安装有轴套，所述轴套两端设置有齿轮，所述电机的输出端与齿轮连接，所述底盘上设置有与齿轮配合的齿条，所述轴套连接电机，所述电机通过驱动轴套使得齿轮在齿条上运动。
  4.  根据权利要求3所述的一种儿童安全座椅，其特征在于，所述轴套端部设置有定位槽，所述齿轮内壁设置有凸起，所述凸起与定位槽配合用于将齿轮限位在轴套两端；所述轴套与电机之间设置有减速机构，所述减速机构用于增加扭矩；所述轴套上还安装有电机盒，所述电机盒用于安装电机和减速机构，所述电机盒设置有通孔，所述通孔与轴套适配，所述通孔用于将电机盒套装在轴套上。
  5.  根据权利要求1所述的一种儿童安全座椅，其特征在于，所述座椅本体还设置有感应装置，所述感应装置用于感应座椅本体的空椅情况，所述感应装置感应到座椅本体为非空椅时启动保护装置。
  6.  根据权利要求5所述的一种儿童安全座椅，其特征在于，所述保护装置设置在座椅本体的置腿端；所述保护装置通过感应置腿端压力变化触发。
  7.  根据权利要求5所述的一种儿童安全座椅，其特征在于，所述保护装置连接驱动机构；所述保护装置通过感应驱动机构的电流变化触发。
  8.  一种儿童安全座椅，其特征在于，包括座椅本体，所述座椅本体设置有角度调节装置，所述角度调节装置用于电动调节座椅本体的俯仰角度；所述座椅本体包括椅背部和椅座部，所述角度调节装置设置在椅座部；
    其中，所述角度调节装置包括底盘、驱动机构和齿轮，所述底盘与椅座部适配，所述底盘用于支撑座椅本体；
    所述底盘上设置有连接板，所述椅座部通过连接板与底盘滑动连接；所述椅座部设置有椅架，所述椅架包括连接杆，所述连接杆与椅架固定连接，所述连接板上设置有限位槽，所述连接杆与限位槽滑动配合；齿轮转动连接在连接杆上，所述驱动机构与齿轮传动连接，所述底盘上设置有与齿轮配合的齿条，所述驱动机构驱动齿轮使得座椅本体滑动。
  9.  根据权利要求8所述的一种儿童安全座椅，其特征在于，所述驱动机构包括电机，所述驱动机构通过电机驱动座椅本体在底盘上运动；所述连接杆上安装有轴套，所述齿轮设置在轴套两端，所述轴套与电机连接。
  10.  根据权利要求9所述的一种儿童安全座椅，其特征在于，所述轴套端部设置有定位槽，所述齿轮内壁设置有凸起，所述凸起与定位槽配合用于将齿轮限位在轴套两端；所述轴套与电机之间设置有减速机构，所述减速机构用于增加扭矩；所述轴套上还安装有电机盒，所述电机盒用于安装电机和减速机构，所述电机盒设置有通孔，所述通孔与轴套适配，所述通孔用于将电机盒套装在轴套上。
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