WO2023155800A1 - 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
WO2023155800A1
WO2023155800A1 PCT/CN2023/076150 CN2023076150W WO2023155800A1 WO 2023155800 A1 WO2023155800 A1 WO 2023155800A1 CN 2023076150 W CN2023076150 W CN 2023076150W WO 2023155800 A1 WO2023155800 A1 WO 2023155800A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat body
turntable
screw
base
child safety
Prior art date
Application number
PCT/CN2023/076150
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
Publication date
Priority claimed from CN202210140659.1A external-priority patent/CN114919474B/zh
Priority claimed from CN202210255389.9A external-priority patent/CN114347883B/zh
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 WO2023155800A1 publication Critical patent/WO2023155800A1/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
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/14—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable rotatable, e.g. to permit easy access
    • 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 seats, in particular to a child safety seat.
  • Car child safety seat is a seat specially designed for children of different ages, installed in the car, and can effectively improve the safety of children in cars. With the gradual improvement of vehicle safety awareness, child safety seats have been widely used, while traditionally used child safety seats are fixedly installed in the car. The comfort requirements are different, so the safety seat needs to be rotated and adjusted.
  • the invention patent with the publication number of CN113561861A discloses a child safety seat with automatic gear jumping, and specifically discloses the child safety seat
  • the seat includes a base and a seat body.
  • the seat body is fixed with a rotating stepping motor and a rotatable support is provided with a rotating large gear plate.
  • the rotating stepping motor is connected to the rotating pinion.
  • the rotating large gear disc supports the rotating disk seat, and the rotating disk seat feeds the stepping motor through the fixed seat, and the feeding stepping motor drives the feeding gear, and the feeding gear forms a worm gear structure to support the seat body
  • the built-in drive tooth plate below.
  • the rotating pinion gear forms a worm and worm structure to drive the rotating large gear to rotate, thereby driving the seat body to rotate and adjust gears through the guide wall column, but the child safety seat with this structure requires two gears to completely form a worm and gear
  • the structure can only be rotated, and a large installation space is required. Not only is the structure complex, but also the weight is heavy.
  • the present disclosure aims at the problems of inconvenient electric rotation adjustment and difficult locking existing in child safety seats in the prior art, and provides a child safety seat with a rotating mechanism, which has the advantages of convenient electric rotation, electric rotating machine It has the advantages of small structure size and fast locking.
  • One of the concepts of the present disclosure is to provide a child safety seat with a rotating mechanism, which specifically includes a seat body and a base, the seat body is installed on the base, a rotating mechanism is provided on the base, and the rotating The mechanism is used to rotate the seat body on the base.
  • the rotation mechanism includes a turntable and a drive mechanism
  • the seat body is installed on the turntable, and the projection of the drive mechanism on the horizontal plane does not overlap with the turntable;
  • the drive mechanism includes a screw, and the screw and the turntable form a Worm gear structure, the drive mechanism drives the turntable to rotate through the screw.
  • a gear ring is arranged between the turntable and the screw, and the gear ring and the screw form a worm gear structure; the driving mechanism is arranged on the base.
  • a gear ring is arranged on the turntable, and the drive mechanism is used to drive the gear ring to drive the turntable to rotate, thereby driving the seat body to rotate through the turntable, and the gear ring enables the seat body to rotate 360 degrees, which can meet various use requirements;
  • the driving mechanism is set on the base, the screw and the gear ring are set to form a worm gear structure, and the gear ring is driven to rotate through the screw.
  • the volume of the screw is smaller, and the space occupied by the driving mechanism is smaller.
  • the volume of the child safety seat is greatly reduced.
  • the driving mechanism drives the seat body to rotate from the side, which can reduce the height of the child seat and improve the stability.
  • the driving mechanism includes a motor, and the motor is used to drive a screw; the axis of the screw is parallel to the axis of the output shaft of the motor.
  • the screw rod is set parallel to the output shaft of the motor, so that the volume of the entire driving mechanism is small, and the assembly does not affect the overall volume of the seat.
  • the screw rod and the motor form an integral modular driving mechanism, which is not only easy to install, but also when driving When the mechanism breaks down, it is also more convenient to disassemble and repair.
  • a deceleration mechanism is provided between the output shaft of the motor and the screw, and the deceleration mechanism is used to increase the torque.
  • the reduction mechanism is a gear set.
  • the drive gear ring to drive the seat body to rotate requires a relatively large torque, and this technical solution sets a deceleration mechanism between the motor output shaft and the screw, such as a gear set, which greatly increases the screw torque, making the small power
  • the motor can also drive the screw and the gear ring, which can not only reduce the cost, but also further reduce the volume.
  • the motor is a DC motor.
  • the present disclosure may also provide a child safety seat with a rotating mechanism, which specifically includes a seat body and a base, the seat body is installed on the base, and a rotating mechanism is provided on the base, and the rotating mechanism is used to The seat body rotates on the base.
  • a rotating mechanism which specifically includes a seat body and a base, the seat body is installed on the base, and a rotating mechanism is provided on the base, and the rotating mechanism is used to The seat body rotates on the base.
  • the rotation mechanism includes a turntable and a drive mechanism
  • the seat body is installed on the turntable, the drive mechanism does not overlap with the projection of the turntable on the horizontal plane, a gear ring is arranged on the turntable, and the drive mechanism Used to drive the gear ring to drive the turntable to rotate, and the drive mechanism is arranged on the base;
  • the seat body is provided with a locking member and an unlocking switch, the locking member is used to lock the turntable and the gear ring, and the unlocking switch is used to control the unlocking of the locking member.
  • the gear ring is provided with a positioning groove, and the positioning groove is used for locking with the locking member, and there are at least two positioning grooves.
  • the seat body enters the positioning groove through the locking piece, and the locking piece realizes the locking of the turntable and the gear ring in the positioning groove, so that when the turntable is driven by the driving mechanism, the seat body can be driven, and the seat body passes through the locking piece.
  • the stability of the connection between the two is better.
  • the turntable is provided with a sensor for sensing the state of the locking element, and the sensor detects that the control drive mechanism cannot be started after the locking element is unlocked.
  • unlocking switches are arranged on both sides of the seat body.
  • the drive mechanism includes a screw, and the screw and the gear ring form a worm gear structure, and the drive mechanism drives the turntable to rotate through the screw;
  • the drive mechanism includes a motor, and the motor is used to drive the screw;
  • the screw The axis of the motor is parallel to the axis of the output shaft of the motor;
  • a deceleration mechanism is arranged between the output shaft of the motor and the screw rod, and the deceleration mechanism is used to increase the torque.
  • this technical solution can realize the connection between the turntable and the gear ring through the locking piece and the positioning groove, and then unlock the turntable relative to the gear ring by setting the unlock switch. Turn, and then the seat body rotates through the turntable, and the rapid rotation adjustment can be realized through the unlock switch and the positioning slot.
  • the unlock switch can realize the change of the seat body rotation position by locking different positioning slots , and by setting the positioning grooves at several commonly used positions for seat rotation, such as facing the door, the child seat can be quickly rotated through manual adjustment to meet more usage needs.
  • the present disclosure may also provide a child safety seat, which specifically includes a seat body and a base, the seat body is installed on the base, and a rotating mechanism is provided on the base, and the rotating mechanism is used to make the seat body Turn on the base.
  • a child safety seat which specifically includes a seat body and a base, the seat body is installed on the base, and a rotating mechanism is provided on the base, and the rotating mechanism is used to make the seat body Turn on the base.
  • the rotation mechanism includes a turntable and a drive mechanism
  • the seat body is installed on the turntable, the drive mechanism does not overlap with the projection of the turntable on the horizontal plane, a gear ring is arranged on the turntable, and the drive mechanism Used to drive the gear ring to drive the turntable to rotate, and the drive mechanism is arranged on the base;
  • the seat body is provided with a first sensing device, and the first sensing device is used to sense the opening of the car door and control the seat body to automatically turn to the opened car door.
  • the child safety seat In actual use, the child safety seat is fixed on the adult seat of the car. Most of the child safety seats in the prior art are fixed and cannot be rotated, which makes the space for placing children limited and very inconvenient.
  • a rotating mechanism is provided on the base so that the seat body can rotate 360° on the base through the rotating mechanism; At this time, the seat body rotates toward the opened door through the first sensing device, which is convenient for placing children and is convenient to use.
  • the seat body is provided with a second sensing device, the second sensing device is used to sense the empty seat condition of the seat body, and the second sensing device detects that there is a child on the seat body and then controls The rotating mechanism is de-energized.
  • the child safety seat provided by this technical solution can automatically turn to the opened door through the first sensing device, when the child needs to get off the car, if the door is opened and the seat automatically rotates, there is a probability of accidentally injuring the child.
  • the sensing device is used to detect whether there is a child on the seat body. When it is detected that the seat body is empty, the seat body can turn automatically. When the second sensing device detects that there is a child on the seat body, it will rotate The mechanism is powered off, and the seat body cannot rotate automatically to ensure the safety of children.
  • the seat body is provided with a connection module, and the connection module is used to connect to the main control system in the vehicle.
  • the main control system in the vehicle transmits the door opening signal to the seat body through the connection module.
  • the chair body automatically turns to the car door on the side after receiving the signal.
  • a connection module is arranged on the seat body, so that the seat body can be connected through the connection module.
  • the main control system in the car can transmit the signal to the seat body through the connection module, then the seat body can receive the signal of the door opening, and then automatically through the rotation mechanism. Turn to the door near the side of the seat body for easy placement of children.
  • the drive mechanism is arranged on the base, the drive mechanism includes a screw, the screw and the gear ring form a worm gear structure, and the drive mechanism drives the turntable to rotate through the screw;
  • the drive mechanism includes a motor, the The motor is used to drive the screw; the axis of the screw is parallel to the axis of the output shaft of the motor; a reduction mechanism is arranged between the output shaft of the motor and the screw, and the reduction mechanism is used to increase the torque.
  • the seat body is provided with a locking member and an unlocking switch, the locking member is used to lock the turntable and the gear ring, and the unlocking switch is used to control the unlocking of the locking member;
  • the gear ring is provided with Positioning groove, the positioning groove is used to cooperate with the locking member for locking;
  • the positioning groove is provided with at least two;
  • the turntable is provided with a sensor, the sensor is used to sense the state of the locking member, and the sensor detects that the locking member is unlocked
  • the rear control drive mechanism cannot be started; the unlocking switch is arranged on both sides of the seat body.
  • the child safety seat drives the seat body to rotate 360 degrees through the gear ring and the screw rod, and the lateral drive of the screw rod is more labor-saving and simpler in structure; the turntable is relatively fixed to the seat body, and through A locking piece and a positioning groove are provided on the gear ring to realize the fixation of the turntable and the gear ring; by setting a plurality of positioning grooves on the gear ring, an unlocking switch for unlocking the locking piece and the positioning groove is provided, so that The seat body can be rotated manually through the turntable, which is more efficient; by setting the sensor to sense whether the seat body is locked, the safety of use is improved.
  • the application provides a child safety seat with a rotating mechanism, which has the advantages of convenient electric rotation, small volume of the electric rotating mechanism, fast locking and the like.
  • Figure 1 An exploded view of a child safety seat provided by the present disclosure
  • Figure 2 a schematic diagram of a partial structure of the base provided by the present disclosure
  • FIG. 3 An enlarged schematic diagram of A in Figure 2 of the present disclosure
  • FIG. 4 Another partial structural schematic diagram of the base provided by the present disclosure.
  • Figure 5 a bottom view of the seat body provided by the present disclosure
  • FIG. 6 an enlarged schematic view of B in FIG. 5 of the present 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 a rotating mechanism is provided on the base 2, the seat The body 1 rotates on the base 2 through the rotating mechanism.
  • the rotating mechanism includes a turntable 3 and a drive mechanism 4.
  • the seat body 1 is installed on the turntable 3. The projection of the drive mechanism and the turntable 3 on the horizontal plane does not overlap.
  • the seat body 1 and the turntable 3 buckle connection, the turntable 3 is provided with a toothed ring 5, the toothed ring 5 is set slightly higher than the turntable 3, and can play a certain limit function when the seat body 1 is installed, making the installation more convenient, and the toothed ring 5 is subject to The influence of the weight of the seat body 1 is small.
  • the driving mechanism 4 is used to drive the gear ring 5 to drive the turntable 3 to rotate.
  • the gear ring 5 enables the seat body 1 to rotate 360 degrees. Rotating toward the driving seat body 1 saves more effort, saves energy consumption, lowers the height, and is less likely to be damaged.
  • the drive mechanism 4 includes a screw 6 and a motor 9 (in this embodiment, the motor 9 can be a DC motor), the screw 6 and the gear ring 5 form a worm gear structure, and the drive mechanism 4 is driven by the motor 9 drives the screw rod 6, so that the screw rod 6 drives the turntable 3 and the seat body 1 fixed by the turntable 3 to rotate, the screw rod 6 is small in size and simple in structure; the output shaft of the motor 9 is parallel to the axis of the screw rod 6, reducing the volume of the drive mechanism 4, And the drive mechanism 4 is an integral structure, which is more convenient to install and disassemble; a reduction mechanism 10 is arranged between the motor 9 and the screw rod 6, the reduction mechanism 10 is a gear set, and the motor 9 drives the screw rod 6 through the gear set, which greatly increases the torque and saves costs ;
  • the screw rod 6 and the ring gear 5 form a worm gear structure, when the driving mechanism 4 is in a non-working state, the ring gear 5 is in a
  • the drive mechanism does not overlap with the projection of the turntable 3 on the horizontal plane, so that the motor 9 can be arranged on the outer surface of the turntable 3, and the turntable 3 can be provided with external teeth, which is easier to shape and has better driving efficiency.
  • this embodiment provides a child safety seat based on Embodiment 1, which includes the electric rotating mechanism of Embodiment 1, and can also realize manual rotation adjustment.
  • the bottom of the seat body 1 is provided with a locking member 7, and the locking member 7 is used to lock the turntable 3 and the gear ring 5, as shown in Figure 2, the gear ring 5 is provided with a positioning Groove 8 and positioning groove 8 are used to cooperate with locking member 7 for locking.
  • gear ring 5 and turntable 3 can be relatively rotated or fixed
  • locking member 7 is a lock Pin
  • the lock pin is provided with 1 or 2 symmetrically at the bottom of the seat body 1 (select 1 or 2 in this embodiment, also can be multiple), and the positioning groove 8 is then provided with 1 corresponding to the lock pin.
  • One or two, and the fixing of the turntable 3 and the gear ring 5 is realized through the locking piece 7 entering the positioning groove 8.
  • the seat body 1 is provided with an unlock switch, which is used to control the unlocking of the lock pin, the turntable 3 and the ring gear 5 are in an unlocked state, and the ring gear 5 cannot rotate under the action of the screw 6, and the turntable 3 is locked relative to the ring gear. 5 can be rotated, so that the seat body 1 can be rotated through the turntable 3, and two or more sets of positioning grooves 8 are provided to accommodate the two symmetrical lock pins at the bottom of the seat body 1 to realize The locking of multiple rotation positions of the seat body 1, manual rotation is faster than electric rotation, and the manual and electric integrated design can meet more usage needs.
  • an unlock switch which is used to control the unlocking of the lock pin, the turntable 3 and the ring gear 5 are in an unlocked state, and the ring gear 5 cannot rotate under the action of the screw 6, and the turntable 3 is locked relative to the ring gear. 5 can be rotated, so that the seat body 1 can be rotated through the turntable 3, and two or more sets of positioning grooves 8 are provided to accommodate
  • the turntable 3 is provided with a sensor 11, and the sensor 11 is arranged at a position close to the lock pin to sense the state of the lock pin. After the lock pin is opened, it will touch the sensor 11, and the sensor 11 will detect The lock pin is unlocked, so that the motor 9 cannot be powered off, ensuring that the electric adjustment mechanism is in a power-off state during manual adjustment, thereby improving the safety of the device in use.
  • the base is provided with a locator, which is used to sense the position information of the seat body.
  • the locator can be realized by sensing the rotation angle, or by touch sensing.
  • the locator can sense at least four rotation positions, There is 90 degrees between every two adjacent rotation positions, which can be rotated by
  • the positioner is used for position setting sensing, and it is more convenient to use the common position of sensing rotation.
  • This embodiment provides a child safety seat based on Embodiment 1 or Embodiment 2, wherein the seat body 1 is provided with a first sensing device 12, and the first sensing device 12 is used to sense the opening of the car door.
  • the rotation mechanism controls the rotation of the seat body 1 towards the opened door through the first sensing device 12, wherein the first sensing device 12 is a laser radar, which is installed on both sides of the chair body.
  • the laser radar is small in size and does not affect the seat after installation. overall volume.
  • the first sensing device 12 is installed symmetrically on both sides of the chair body and near the door.
  • Four first sensing devices 12 can also be installed, which are respectively installed in the four directions of the seat body, up, down, left, and right, to improve the sensing accuracy.
  • the seat body 1 is provided with a second sensing device 13 for sensing the empty seat of the seat body 1.
  • the seat body 1 can turn automatically.
  • the second induction device 13 detects that there is a child on the seat body 1, the rotating mechanism will be powered off, and the seat body 1 cannot rotate automatically. It can also be set on the turntable 3 of the base 2.
  • the seat body 1 is provided with a connection module, and the seat body 1 can be connected to the main control system in the vehicle through the connection module.
  • the main control system in the vehicle can transmit signals to the seat through the connection module.
  • seat body 1 the seat body 1 can receive the signal of opening the door, and then automatically turn to the door close to the side of the seat body 1 through the rotating mechanism, which is convenient for placing children; on the other hand, the child safety seat can also be connected through the connection module
  • Connect other signal terminals such as a mobile phone APP, through which the steering of the seat body 1 can be directly controlled, which is more convenient to use.
  • the seat body 1 is driven to rotate by 360 degrees through the gear ring 5 and the screw rod 6, and the lateral drive of the screw rod 6 is more labor-saving and simpler in structure; the turntable 3 and the seat body 1 are relatively fixed,
  • the locking member 7 at the bottom of the seat body 1 and the positioning groove 8 on the gear ring 5, it is used to realize the fixing of the turntable 3 and the gear ring 5; by setting a plurality of positioning grooves 8 on the gear ring 5, setting
  • the unlocking switch used to unlock the locking member 7 and the positioning groove 8 enables the seat body 1 to be manually rotated through the turntable 3, which is faster; the sensor is installed to sense whether the seat body 1 is locked, which improves the safety of use.
  • the application provides a child safety seat with a rotating mechanism, which has the advantages of convenient electric rotation, small volume of the electric rotating mechanism, fast locking and the like.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)

Abstract

一种具有旋转机构的儿童安全座椅，包括座椅本体（1）和底座（2），座椅本体安装在底座上，底座上设置有旋转机构，旋转机构用于使座椅本体在底座上转动；旋转机构包括转盘（3）和驱动机构（4），座椅本体安装在转盘上，驱动机构与转盘在水平面上的投影不重叠；驱动机构包括螺杆（6），螺杆与转盘形成蜗轮蜗杆结构，驱动机构通过螺杆带动转盘旋转；座椅本体设置有锁紧件（7）和解锁开关，齿环设置有用于配合锁紧件进行锁定的多个定位槽（8）；转盘设置有用于感应锁紧件状态的传感器（11），传感器检测到锁紧件解锁后控制驱动机构无法启动。通过齿环与螺杆带动座椅本体旋转，螺杆侧向驱动更省力、结构更简单；通过在座椅本体底部设置锁紧件及在齿环上设置定位槽，用于实现转盘与齿环的固定；通过在座椅本体上设置用于解锁锁紧件与定位槽的解锁开关，使得座椅本体可通过转盘实现手动旋转，更加快捷；通过设置传感器感应座椅本体是否锁定，提高使用安全性。

Description

一种儿童安全座椅 技术领域
本公开涉及座椅技术领域，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，因此需要对安全座椅进行旋转调节。
目前，现有技术中已经存在一些儿童安全座椅旋转调节的相关技术方案，如，公开号为：CN113561861A的发明专利，公开了一种自动跳档儿童安全座椅，并具体公开了该儿童安全座椅包括底座、座椅本体，座椅本体上固定设置旋转步进电机和可旋转支撑设置旋转大齿轮盘，旋转步进电机接旋转小齿轮，旋转小齿轮形成蜗轮蜗杆结构在旋转大齿轮盘内齿圈上，旋转大齿轮盘上支撑旋转盘座，旋转盘座上经固定座进给步进电机，进给步进电机驱动进给齿轮，进给齿轮形成蜗轮蜗杆结构支撑座椅本体后下方内置的驱动齿板。该技术方案中，经旋转小齿轮形成蜗轮蜗杆结构驱动旋转大齿轮旋转，从而经导向墙板柱带动座椅本体旋转调档，但是这种结构的儿童安全座椅需要两个齿轮完全形成蜗轮蜗杆结构才能转动，需要较大的安装空间，不仅结构复杂而且重量大，另一方面，整个驱动装置安装在底座上，在驱动过程中还需要承受座椅的重量，容易使得旋转机构损坏。
从现有技术公开的内容来看，目前带有电动旋转功能的儿童安全座椅，其电动旋转机构占用空间大、重量大，对于特殊的位置不能及时的旋转到位，使用仍不方便，而手动旋转则存在费时费力的问题，目前仍然存在旋转机构体积大的问题。
发明内容
本公开针对现有技术中儿童安全座椅存在的电动旋转调节不便、锁定困难等问题，提供一种具有旋转机构的儿童安全座椅，具有电动旋转方便、电动旋转机 构体积小、快速锁定等优点。
本公开的构思之一是在于提供一种具有旋转机构的儿童安全座椅，具体包括座椅本体和底座，所述座椅本体安装在底座上，所述底座上设置有旋转机构，所述旋转机构用于使座椅本体在底座上转动。
进一步的，所述旋转机构包括转盘和驱动机构，所述座椅本体安装在转盘上，所述驱动机构与转盘在水平面上的投影不重叠；所述驱动机构包括螺杆，所述螺杆与转盘形成蜗轮蜗杆结构，所述驱动机构通过螺杆带动转盘旋转。
更进一步的，所述转盘与螺杆之间设置有齿环，所述齿环与螺杆形成蜗轮蜗杆结构；所述驱动机构设置在底座上。
本技术方案通过在转盘上设置齿环，利用驱动机构驱动齿环带动转盘转动，从而通过转盘带动座椅本体旋转，齿环使得座椅本体可以实现360度旋转，能够满足多种使用需求；通过将驱动机构设置在底座上，设置螺杆与齿环形成蜗轮蜗杆结构，通过螺杆驱动齿环旋转，相比于现有技术通过双齿轮啮合驱动，螺杆的体积较小，驱动机构占用空间更小，使得儿童安全座椅的体积大大减小。另一方面，通过设置所述驱动机构与转盘在水平面上的投影不重叠，使得驱动机构从侧面带动座椅本体转动，可以降低儿童座椅的高度，提高稳定性。
更进一步的，所述驱动机构包括电机，所述电机用于驱动螺杆；所述螺杆的轴线与电机输出轴的轴线平行。
本技术方案中，设置螺杆与电机输出轴平行，使得整个驱动机构的体积较小，装配不影响座椅整体的体积，并且，螺杆与电机形成整体模块化的驱动机构，不仅安装方便，当驱动机构出现故障时，拆卸维修也更加方便。
更进一步的，所述电机输出轴与螺杆之间设置有减速机构，所述减速机构用于增加扭矩。
其中，优选减速机构为齿轮组。
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电机输出轴与螺杆之间设置减速机构，如齿轮组，大大增加了螺杆扭矩，使得小功率的电机也可以带动螺杆和齿环，不仅可以降低成本，还可以进一步缩小体积。
更进一步的，所述电机为直流电机。
本公开还可以提供一种具有旋转机构的儿童安全座椅，具体包括座椅本体和底座，所述座椅本体安装在底座上，所述底座上设置有旋转机构，所述旋转机构用于使座椅本体在底座上转动。
进一步的，所述旋转机构包括转盘和驱动机构，所述座椅本体安装在转盘上，所述驱动机构与转盘在水平面上的投影不重叠，所述转盘上设置有齿环，所述驱动机构用于驱动齿环带动转盘旋转，所述驱动机构设置在底座上；
所述座椅本体设置有锁紧件和解锁开关，所述锁紧件用于将转盘与齿环锁定，所述解锁开关用于控制锁紧件解锁。
更进一步的，所述齿环设置有定位槽，所述定位槽用于配合锁紧件进行锁定，所述定位槽设置有至少两个。
本技术方案中，座椅本体通过锁紧件进入定位槽，锁紧件在定位槽内实现转盘与齿环锁定，使得转盘受驱动机构驱动时可以带动座椅本体，座椅本体通过锁紧件与定位槽安装在底座上，二者连接的稳定性更好。
更进一步的，本公开的另一构思在于，转盘设置有传感器，所述传感器用于感应锁紧件状态，所述传感器检测锁紧件解锁后控制驱动机构无法启动。
更进一步的，所述解锁开关设置在座椅本体两侧。
更进一步的，所述驱动机构包括螺杆，所述螺杆与齿环形成蜗轮蜗杆结构，所述驱动机构通过螺杆带动转盘旋转；所述驱动机构包括电机，所述电机用于驱动螺杆；所述螺杆的轴线与电机输出轴的轴线的平行；所述电机输出轴与螺杆之间设置有减速机构，所述减速机构用于增加扭矩。
电动旋转需要考虑安全性，往往速度较慢，在需要快速旋转时，本技术方案可以通过锁紧件与定位槽实现转盘与齿环的连接，进而通过设置解锁开关解锁使得转盘相对于齿环可以转动，进而座椅本体通过转盘转动，通过解锁开关和定位槽可以实现快速旋转调节，通过在齿环上设置多个定位槽，使得解锁开关通过锁定不同的定位槽实现座椅本体旋转位置的变化，并且通过将定位槽设置在几个座椅旋转常用位置，例如朝向车门，使得通过手动调节实现儿童座椅快速旋转，满足更多使用需求。
而另一方面，在手动旋转过程中，若驱动机构仍处于工作状态，此时旋转容易出现危险情况，本技术方案通过设置用于感应锁紧件的感应器，当传感器感应 到锁紧件解锁后，即转盘与齿环处于解锁状态，此时传感器传输信号控制电机处于不可启动，防止电机启动而导致人身伤害，大大提高了座椅旋转的安全性。
本公开还可以提供一种儿童安全座椅，具体包括座椅本体和底座，所述座椅本体安装在底座上，所述底座上设置有旋转机构，所述旋转机构用于使座椅本体在底座上转动。
进一步的，所述旋转机构包括转盘和驱动机构，所述座椅本体安装在转盘上，所述驱动机构与转盘在水平面上的投影不重叠，所述转盘上设置有齿环，所述驱动机构用于驱动齿环带动转盘旋转，所述驱动机构设置在底座上；
所述座椅本体上设置有第一感应装置，所述第一感应装置用于感应车门开启，控制座椅本体自动转向开启的车门。
在实际使用过程中，儿童安全座椅是固定在汽车的成人座椅上的，现有技术的儿童安全座椅大多是固定无法旋转，则使得放置儿童的空间有限、十分不便。本技术方案通过设置在底座上设置旋转机构，使得座椅本体通过旋转机构在底座上可以进行360°旋转；并且，通过在座椅本体上设置用于感应车门的第一感应装置，当车门开启时，座椅本体通过第一感应装置朝向开启的车门旋转，便于放置儿童，使用便捷。
更进一步的，所述座椅本体上设置有第二感应装置，所述第二感应装置用于感应座椅本体的空椅情况，所述第二感应装置检测到座椅本体上有儿童则控制旋转机构断电。
由于本技术方案提供的儿童安全座椅通过第一感应装置可以自动转向开启的车门，当儿童需要下车时，若车门开启座椅自动旋转存在误伤儿童的概率，进而本技术方案通过设置第二感应装置，用于检测座椅本体上是否有儿童，当检测到座椅本体为空椅时，座椅本体才可以自动转向，当第二感应装置检测到座椅本体上有儿童时，则旋转机构断电，座椅本体无法自动旋转，以保证儿童的安全。
更进一步的，所述座椅本体设置有连接模块，所述连接模块用于连接车内主控系统，所述车内主控系统通过连接模块将车门开启信号传输至座椅本体，所述座椅本体接收信号后自动转向靠近侧的车门。
本技术方案通过在座椅本体上设置连接模块，使得座椅本体通过连接模块可 以连接车内主控系统，当车门切换至开锁状态时，车内主控系统可以通过连接模块将信号传输给座椅本体，则座椅本体可以接收到车门开启的信号，进而通过旋转机构自动转向靠近座椅本体一侧的车门，便于放置儿童。
更进一步的，所述驱动机构设置在底座上，所述驱动机构包括螺杆，所述螺杆与齿环形成蜗轮蜗杆结构，所述驱动机构通过螺杆带动转盘旋转；所述驱动机构包括电机，所述电机用于驱动螺杆；所述螺杆的轴线与电机输出轴的轴线的平行；所述电机输出轴与螺杆之间设置有减速机构，所述减速机构用于增加扭矩。
更进一步的，所述座椅本体设置有锁紧件和解锁开关，所述锁紧件用于将转盘与齿环锁定，所述解锁开关用于控制锁紧件解锁；所述齿环设置有定位槽，所述定位槽用于配合锁紧件进行锁定；所述定位槽设置有至少两个；转盘设置有传感器，所述传感器用于感应锁紧件状态，所述传感器检测锁紧件解锁后控制驱动机构无法启动；所述解锁开关设置在座椅本体两侧。
本公开提供的一种儿童安全座椅，通过齿环与螺杆带动座椅本体实现360度旋转，螺杆侧向驱动更省力、结构更简单；转盘与座椅本体相对固定，通过在座椅本体底部设置锁紧件、及在齿环上设置定位槽，用于实现转盘与齿环的固定；通过在齿环上设置多个定位槽，设置用于解锁锁紧件与定位槽的解锁开关，使得座椅本体通过转盘实现手动旋转，更加快捷；通过设置传感器感应座椅本体是否锁定，提高使用安全性。本申请提供的一种具有旋转机构的儿童安全座椅，具有电动旋转方便、电动旋转机构体积小、快速锁定等优点。
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：本公开所提供的底座的局部结构示意图；
图3：本公开图2中A处的放大示意图；
图4：本公开所提供的底座的另一局部结构示意图；
图5：本公开所提供的座椅本体的下视图；
图6：本公开图5中B处的放大示意图。
其中，1、座椅本体；2、底座；3、转盘；4、驱动机构；5、齿环；6、螺杆；
7、锁紧件；8、定位槽；9、电机；10、减速机构；11、传感器；12、第一感应装置；13、第二感应装置。
具体实施方式
下面结合附图1至6，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和图2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上设置有旋转机构，座椅本体1通过旋转机构在底座2上转动，旋转机构包括转盘3和驱动机构4，座椅本体1安装在转盘3上，驱动机构与转盘3在水平面上的投影不重叠，座椅本体1与转盘3卡扣连接，转盘3上设置有齿环5，齿环5设置略高于转盘3，在座椅本体1安装时可以起到一定的限位作用，使得安装更加方便，并且齿环5受到座椅本体1自身重量的影响较小，驱动机构4用于驱动齿环5带动转盘3旋转，齿环5使得座椅本体1可以实现360度旋转，驱动机构4设置在底座2上，通过侧向驱动座椅本体1旋转，更加省力、节省能耗、降低高度，并且不易损坏。
进一步的，如图3和4所示，驱动机构4包括螺杆6和电机9(此实施例中，电机9可以为直流电机)，螺杆6与齿环5形成蜗轮蜗杆结构，驱动机构4通过电机9驱动螺杆6，从而使得螺杆6带动转盘3及转盘3固定的座椅本体1旋转，螺杆6体积小、结构简单；电机9的输出轴与螺杆6轴线处于平行，缩小驱动机构4的体积，并且驱动机构4为一个整体结构，安装拆卸更加方便；电机9与螺杆6之间设置有减速机构10，减速机构10为齿轮组，电机9通过齿轮组驱动螺杆6，大大增加了扭矩，节省成本；使用过程中，由于螺杆6与齿环5形成蜗轮蜗杆结构，当驱动机构4处于非工作状态时，齿环5受螺杆6作用处于锁定状态，座椅本体1不会发生转动，节省了锁定机构的设置，使用更加方便、降低成本。
另一方面，本实施例设置驱动机构与转盘3在水平面上的投影不重叠，使得电机9可以设置在转盘3的外侧面，转盘3可以设置外齿，更容易成型，驱动效率更好，后期需要维护驱动机构时，不需要整体拆卸座椅本体，只需在拆开底座壳体即可进行维护和更换，故后期维护和保养更简单，维护成本也更低；并且，侧边驱动的设置方式，可保留现有常用手动调节的转动机构，而取消了现有技术中电动调节需要球头顶柱的结构，使得旋转机构的整体高度降低，改造和升级成本更低，生产也更加方便。
实施例2
如图1至图6所示，本实施例基于实施例1提供一种儿童安全座椅，本实施例中包括实施例1的电动旋转机构，并且还能实现手动旋转调节。
其中，如图5和图6所示，座椅本体1底部设置有锁紧件7，锁紧件7用于将转盘3与齿环5锁定，如图2所示，齿环5设置有定位槽8，定位槽8用于配合锁紧件7进行锁定，本实施例中通过设置锁紧件7与定位槽8，使得齿环5与转盘3可相对旋转或固定，锁紧件7为锁销，锁销在座椅本体1底部设置有1个或对称设置有2个(本实施例中选用1个或2个，也可以为多个)，而定位槽8则对应锁销设置有1个或2个，通过锁紧件7进入定位槽8实现转盘3与齿环5的固定。
进一步的，座椅本体1设置有解锁开关，解锁开关用于控制锁销解锁，转盘3与齿环5处于非锁定状态，而齿环5在螺杆6作用下无法转动，转盘3相对于齿环5可以转动，从而使得座椅本体1通过转盘3可以转动，而通过设置两组(每组两个)或多组定位槽8，用于容纳座椅本体1底部的两个对称锁销，实现座椅本体1多种旋转位置的锁定，相比于电动旋转，手动旋转更加快速，并且手动、电动一体式设计能够满足更多的使用需求。
更进一步的，如图6所示，转盘3设置有传感器11，传感器11设置在靠近锁销的位置，用于感应锁销的状态，锁销打开后会触碰传感器11，则传感器11检测到锁销解锁，使得电机9断电无法启动，确保在手动调节时电动调节机构处于断电状态，提高装置使用安全。
更进一步的，底座设置有定位器，定位器用于感应座椅本体的位置信息，定位器可以是通过感应转动角度实现，也可以是通过触碰感应实现，定位器至少可以感应四个旋转位置，每相邻的两个旋转位置之间呈90度，可以通过在每个旋转 位置设置感应用的定位器，感应旋转常用位置使用更加方便。
实施例3
本实施例基于实施例1或实施例2提供一种儿童安全座椅，其中，座椅本体1上设置有第一感应装置12，第一感应装置12用于感应车门开启，当车门开启时，旋转机构通过第一感应装置12控制座椅本体1朝向开启的车门旋转，其中，第一感应装置12为激光雷达，激光雷达安装在椅身两侧，激光雷达体积小，安装后不影响座椅整体体积。其中，第一感应装置12对称安装在椅身两侧且靠近车门的位置，第一感应装置12也可以安装4个，分别安装在座椅本体的上下左右四个方向，以提高感应精准性。
进一步的，座椅本体1上设置有第二感应装置13，用于感应座椅本体1的空椅情况，当检测到座椅本体1为空椅时，座椅本体1才可以自动转向，当第二感应装置13检测到座椅本体1上有儿童时，则旋转机构断电，座椅本体1无法自动旋转，其中，第二感应器为压力传感器，压力传感器安装在座椅本体1的座位处，也可以设置在底座2的转盘3上。
更进一步的，座椅本体1设置有连接模块，座椅本体1通过连接模块可以连接车内主控系统，当车门切换至开锁状态时，车内主控系统可以通过连接模块将信号传输给座椅本体1，则座椅本体1可以接收到车门开启的信号，进而通过旋转机构自动转向靠近座椅本体1一侧的车门，便于放置儿童；另一方面，儿童安全座椅还可以通过连接模块连接其他信号端，例如手机APP，通过APP可以直接控制座椅本体1的转向，使用更加便捷。
本公开提供的一种儿童安全座椅，通过齿环5与螺杆6带动座椅本体1实现360度旋转，螺杆6侧向驱动更省力、结构更简单；转盘3与座椅本体1相对固定，通过在座椅本体1底部设置锁紧件7、及在齿环5上设置定位槽8，用于实现转盘3与齿环5的固定；通过在齿环5上设置多个定位槽8，设置用于解锁锁紧件7与定位槽8的解锁开关，使得座椅本体1通过转盘3实现手动旋转，更加快捷；通过设置传感器感应座椅本体1是否锁定，提高使用安全性。本申请提供的一种具有旋转机构的儿童安全座椅，具有电动旋转方便、电动旋转机构体积小、快速锁定等优点。
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。

Claims (16)

  1. 一种儿童安全座椅，其特征在于，
    包括座椅本体和底座，所述座椅本体安装在底座上，所述底座上设置有旋转机构，所述旋转机构用于使座椅本体在底座上转动；
    其中，所述旋转机构包括转盘和驱动机构，所述座椅本体安装在转盘上，所述驱动机构与转盘在水平面上的投影不重叠；所述驱动机构包括螺杆，所述螺杆与转盘形成蜗轮蜗杆结构，所述驱动机构通过螺杆带动转盘旋转。
  2. 根据权利要求1所述的一种具有旋转机构的儿童安全座椅，其特征在于，
    所述转盘与螺杆之间设置有齿环，所述齿环与螺杆形成蜗轮蜗杆结构；所述驱动机构设置在底座上。
  3. 根据权利要求2所述的一种具有旋转机构的儿童安全座椅，其特征在于，
    所述驱动机构包括电机，所述电机用于驱动螺杆；所述螺杆的轴线与电机输出轴的轴线平行。
  4. 根据权利要求3所述的一种儿童安全座椅，其特征在于，
    所述电机输出轴与螺杆之间设置有减速机构，所述减速机构用于增加扭矩。
  5. 一种儿童安全座椅，其特征在于，
    包括座椅本体和底座，所述座椅本体安装在底座上，所述底座上设置有旋转机构，所述旋转机构用于使座椅本体在底座上转动；
    其中，所述旋转机构包括转盘和驱动机构，所述座椅本体安装在转盘上，所述驱动机构与转盘在水平面上的投影不重叠，所述转盘上设置有齿环，所述驱动机构用于驱动齿环带动转盘旋转，所述驱动机构设置在底座上；
    所述座椅本体设置有锁紧件和解锁开关，所述锁紧件用于将转盘与齿环锁定，所述解锁开关用于控制锁紧件解锁。
  6. 根据权利要求5所述的一种儿童安全座椅，其特征在于，
    所述齿环设置有定位槽，所述定位槽用于配合锁紧件进行锁定；所述定位槽设置有至少两个。
  7. 根据权利要求6所述的一种儿童安全座椅，其特征在于，
    转盘设置有传感器，所述传感器用于感应锁紧件状态，所述传感器检测锁紧件解锁后控制驱动机构无法启动。
  8. 根据权利要求5所述的一种儿童安全座椅，其特征在于，
    所述解锁开关设置在座椅本体两侧。
  9. 根据权利要求5所述的一种儿童安全座椅，其特征在于，
    所述驱动机构包括螺杆，所述螺杆与齿环形成蜗轮蜗杆结构，所述驱动机构通过螺杆带动转盘旋转。
  10. 根据权利要求5所述的一种儿童安全座椅，其特征在于，
    所述驱动机构包括电机，所述电机用于驱动螺杆；所述螺杆的轴线与电机输出轴的轴线平行；所述电机输出轴与螺杆之间设置有减速机构，所述减速机构用于增加扭矩。
  11. 一种儿童安全座椅，其特征在于，
    包括座椅本体和底座，所述座椅本体安装在底座上，所述底座上设置有旋转机构，所述旋转机构用于使座椅本体在底座上转动；
    其中，所述旋转机构包括转盘和驱动机构，所述座椅本体安装在转盘上，所述转盘上设置有齿环，所述驱动机构用于驱动齿环带动转盘旋转，所述驱动机构设置在底座上；
    所述座椅本体上设置有第一感应装置，所述第一感应装置用于感应车门开启，控制座椅本体自动转向开启的车门。
  12. 根据权利要求11所述的一种儿童安全座椅，其特征在于，
    所述座椅本体上设置有第二感应装置，所述第二感应装置用于感应座椅本体的空椅情况，所述第二感应装置检测到座椅本体上有儿童则控制旋转机构断电。
  13. 根据权利要求11所述的一种儿童安全座椅，其特征在于，
    所述座椅本体设置有连接模块，所述连接模块用于连接车内主控系统，所述连接模块将车门开启信号传输至座椅本体，所述座椅本体接收信号后自动转向靠近侧的车门。
  14. 根据权利要求11所述的一种儿童安全座椅，其特征在于，
    所述驱动机构设置在底座上，所述驱动机构包括螺杆，所述螺杆与齿环形成蜗轮蜗杆结构，所述驱动机构通过螺杆带动转盘旋转；所述驱动机构包括电机，所述电机用于驱动螺杆；所述螺杆的轴线与电机输出轴的轴线平行；所述电机输出轴与螺杆之间设置有减速机构，所述减速机构用于增加扭矩。
  15. 根据权利要求11所述的一种儿童安全座椅，其特征在于，
    所述座椅本体设置有锁紧件和解锁开关，所述锁紧件用于将转盘与齿环锁定，所述解锁开关用于控制锁紧件解锁；所述齿环设置有定位槽，所述定位槽用于配合锁紧件进行锁定；所述定位槽设置有至少两个；转盘设置有传感器，所述传感器用于感应锁紧件状态，所述传感器检测锁紧件解锁后控制驱动机构无法启动；所述解锁开关设置在座椅本体两侧。
  16. 根据权利要求11所述的一种儿童安全座椅，其特征在于，所述驱动机构与转盘在水平面上的投影不重叠。
PCT/CN2023/076150 2022-02-16 2023-02-15 一种儿童安全座椅 WO2023155800A1 (zh)

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