CHILD SAFETY SEAT WITH ROTATING MECHANISM

Abstract

According to a child safety seat with the rotating mechanism provided by the present invention, the seat body is driven to rotate 360 degrees through the toothed ring and the screw rod. The screw rod is more labor-saving and has a simpler structure. The turntable is fixed relative to the seat body. The locking member is arranged at a bottom of the seat body, and the positioning slot is arranged on the toothed ring, to fix the turntable and the toothed ring. By the arrangement of the plurality of positioning slots on the toothed ring and the arrangement of an unlocking switch configured to unlock the locking member and the positioning slots, the seat body can be manually rotated through the turntable, which is faster. By the arrangement of the sensor to sense whether the seat body is locked, the safety of use is improved.

Claims

1. A child safety seat with a rotating mechanism, comprising a seat body and a base, wherein the seat body is mounted on the base; the base is provided with the rotating mechanism; the rotating mechanism is configured to enable the seat body to rotate on the base; the rotating mechanism comprises a turntable and a driving mechanism; the seat body is mounted on the turntable; a projection of the driving mechanism on a horizontal plane does not overlap a projection of the turntable on the horizontal plane; the turntable is provided with a toothed ring; the driving mechanism is configured to drive the toothed ring to drive the turntable to rotate; the driving mechanism is arranged on the base; the seat body is provided with a locking member and an unlocking switch; the locking member is configured to lock the turntable and the toothed ring; the unlocking switch is configured to control the locking member to be unlocked; the turntable is provided with a sensor; the sensor is configured to sense a state of the locking member; and if the sensor detects that the locking member is unlocked, the driving mechanism is controlled to be unable to start.

2. The child safety seat with the rotating mechanism according to claim 1, wherein the toothed ring is provided with at least two positioning slots; and the positioning slots are configured to cooperate with the locking member for locking.

3. The child safety seat with the rotating mechanism according to claim 1, wherein the unlocking switch is arranged on two sides of the seat body.

4. The child safety seat with the rotating mechanism according to claim 1, wherein the driving mechanism comprises a screw rod; the screw rod forms a worm wheel and worm structure together with the toothed ring; and the driving mechanism drives the turntable to rotate through the screw rod.

5. The child safety seat with the rotating mechanism according to claim 1, wherein the driving mechanism comprises a motor; the motor is configured to drive the screw rod; an axis of the screw rod is parallel to an axis of an output shaft of the motor; a speed reduction mechanism is arranged between the output shaft of the motor and the screw rod; and the speed reduction mechanism is configured to increase a torque.

6. A child safety seat with a rotating mechanism, comprising a seat body and a base, wherein the seat body is mounted on the base; the base is provided with the rotating mechanism; the rotating mechanism is configured to enable the seat body to rotate on the base; the seat body is provided with a first sensing device; the first sensing device is configured to sense opening of a vehicle door and control the seat body to automatically turn to the opened vehicle door; the seat body is provided with a second sensing device; the second sensing device is configured to sense an empty state of the seat body; and if the second sensing device detects that there is a child on the seat body, the rotating mechanism is controlled to be powered off.

7. The child safety seat with the rotating mechanism according to claim 6, wherein the seat body is provided with a connecting module; the connecting module is configured to connect an in-vehicle main control system; the connecting module transmits a vehicle door opening signal to the seat body; and the seat body automatically turns to the automobile door on the closer side after receiving the signal.

8. The child safety seat with the rotating mechanism according to claim 6, wherein the driving mechanism is arranged on the base; the driving mechanism comprises a screw rod; the screw rod forms a worm wheel and worm structure together with the toothed ring; the driving mechanism drives the turntable to rotate through the screw rod; the driving mechanism comprises a motor; the motor is configured to drive the screw rod; an axis of the screw rod is parallel to an axis of an output shaft of the motor; a speed reduction mechanism is arranged between the output shaft of the motor and the screw rod; and the speed reduction mechanism is configured to increase a torque.

9. The child safety seat with the rotating mechanism according to claim 6, wherein the seat body is provided with a locking member and an unlocking switch; the locking member is configured to lock the turntable and the toothed ring; the unlocking switch is configured to control the locking member to be unlocked; the toothed ring is provided with at least two positioning slots; the positioning slots are configured to cooperate with the locking member for locking; the turntable is provided with a sensor; the sensor is configured to sense a state of the locking member; if the sensor detects that the locking member is unlocked, the driving mechanism is controlled to be unable to start; and the unlocking switch is arranged on two sides of the seat body.

Description

BRIEF DESCRIPTION OF DRAWINGS

[0038] The present disclosure is further described below in detail in combination with the accompanying drawings and embodiments. These drawings are not necessarily drawn to scale. It should be understood that these drawings only describe some implementation modes of the present disclosure, and should not be regarded as limiting the scope of the present disclosure.

[0039] FIG. 1 is an exploded view of a child safety seat with a rotating mechanism according to the present disclosure;

[0040] FIG. 2 is a partially structural diagram of a base according to the present disclosure;

[0041] FIG. 3 is an enlarged diagram of A in FIG. 2 according to the present disclosure;

[0042] FIG. 4 is another partially structural diagram of a base according to the present disclosure;

[0043] FIG. 5 is a top view of a seat body according to the present disclosure; and

[0044] FIG. 6 is an enlarged diagram of B in FIG. 5 according to the present disclosure.

DETAILED DESCRIPTION OF THE INVENTION

[0045] The present disclosure will be explained in detail below in conjunction with the accompanying drawings 1 to 6.

[0046] In order to make the aims, technical solution and advantages of the present disclosure will be clearly, the present disclosure is further described below in combination with accompanying drawings and implementations. It should be understood that the specific embodiments described herein are intended only to explain the present disclosure and are not intended to define the present disclosure.

Embodiment 1

[0047] As shown in FIG. 1 and FIG. 2, this embodiment provides a child safety seat with a rotating mechanism, specifically including a seat body 1 and a base 2. The seat body 1 is mounted on the base 2. The base 2 is provided with the rotating mechanism. The seat body 1 rotates on the base 2 through the rotating mechanism. The rotating mechanism includes a turntable 3 and a driving mechanism 4. The seat body 1 is mounted on the turntable 3. A projection of the driving mechanism on the horizontal plane does not overlap a projection of the turntable 3 on the horizontal plane. The seat body 1 is buckled to the turntable 3. The turntable 3 is provided with a toothed ring 5. The toothed ring 5 is slightly higher than the turntable 3, so that a limiting effect can be achieved during the mounting of the seat body 1, making the mounting more convenient. Furthermore, the toothed ring 5 is less affected by the weight of the seat body 1 itself. The driving mechanism 4 is configured to drive the toothed ring 5, thereby driving the turntable 3 to rotate. The toothed ring 5 enables the seat body 1 to rotate 360 degrees. The driving mechanism 4 is arranged on the base 2, which drives the seat body 1 to rotate laterally, thereby saving labor and energy and reducing the height. In addition, the child safety seat is hard to damage.

[0048] Further, as shown in FIG. 3 and FIG. 4, the driving mechanism 4 includes a screw rod 6 and a motor 9 (in this embodiment, the motor 9 can be a direct current motor). The screw rod 6 forms a worm wheel and worm structure with the toothed ring 5. The driving mechanism 4 drives the screw rod 6 through the motor 9, so that the screw rod 6 drives the turntable 3 and the seat body 1 fixed on the turntable 3 to rotate. The screw rod 6 has a small size and a simple structure. An output shaft of the motor 9 is parallel to an axis of the screw rod 6, thereby reducing the size of the driving mechanism 4. Furthermore, the driving mechanism 4 is of an integrated structure, making the mounting and removal more convenient. A speed reduction mechanism 10 is mounted between the motor 9 and the screw rod 6. The speed reduction mechanism 10 is a gear set, and the motor 9 drives the screw rod 6 through the gear set, thereby greatly increasing the torque and saving the cost. During use, since the screw rod 6 and the toothed ring 5 form the worm wheel and worm structure, when the driving mechanism 4 is in a non-working state, the toothed ring 5 is locked under the action of the screw rod 6, and the seat body 1 will not rotate, thereby eliminating the locking mechanism. The child safety seat is more convenient to use, and the cost is reduced.

[0049] In another aspect, in this embodiment, the projection of the driving mechanism on the horizontal plane does not overlap the projection of the turntable 3 on the horizontal plane, so that the motor 9 can be arranged on an outer side surface of the turntable 3. The turntable 3 can be provided with external teeth which are easier to form and has better driving efficiency. When the driving mechanism needs to be maintained in the later stage, it is not necessary to disassemble the entire seat body, and the driving mechanism can be maintained and replaced by disassembling a base shell. Therefore, it is easier for later maintenance and service, and the maintenance cost is lower. Moreover, due to the lateral driving, the existing commonly used and manually adjusted rotating mechanism can be retained, and a ball-head pushing pillar required for electric adjustment in the prior art is eliminated, so that the overall height of the rotating mechanism is reduced, the cost of renovation and upgrading is lower, and the production is more convenient.

Embodiment 2

[0050] As shown in FIG. 1 to FIG. 6, this embodiment provides a child safety seat with a rotating mechanism based on Embodiment 1. This embodiment includes the electric rotating mechanism of Embodiment 1 and can further achieve manual rotation adjustment.

[0051] As shown in FIG. 5 and FIG. 6, a locking member 7 is arranged at a bottom of the seat body 1; the locking member 7 is configured to lock the turntable 3 and the toothed ring 5. As shown in FIG. 2, the toothed ring 5 is provided with a positioning slot 8. The positioning slot 8 is configured to cooperate with the locking member 7 for locking. In this embodiment, by the arrangement of the locking member 7 and the positioning slot 8, the toothed ring 5 and the turntable 3 can rotate or be fixed relative to each other. The locking member 7 is a locking pin. One locking pin is arranged at the bottom of the seat body 1 or two locking pins are symmetrically arranged at the bottom of the seat body 1 (in this embodiment, there is one or two or more locking pins), and there is one or two positioning slots 8 corresponding to the locking pins. The locking member 7 enters the positioning slot 8 to fix the turntable 3 and the toothed ring 5.

[0052] Further, the seat body 1 is provided with an unlocking switch. The unlocking switch is configured to control the locking pin to be unlocked. The turntable 3 and the toothed ring 5 are in a non-locked state, and the toothed ring 5 cannot rotate under the action of the screw rod 6. The turntable 3 can rotate relative to the toothed ring 5, so that the seat body 1 can rotate through the turntable 3. By the arrangement of two or more groups of positioning slots 8 (each group including two positioning slots) configured to accommodate the two symmetric locking pins at the bottom of the seat body 1, the seat body 1 can be locked at various rotation positions. Compared with electric rotation, manual rotation is quicker, and the manual and electric integrated design can meet more use needs.

[0053] Still further, as shown in FIG. 6, the turntable 3 is provided with a sensor 11. The sensor 11 is arranged at a position close to the locking pin to sense a state of the locking pin. After the locking pin is unlocked, the sensor 11 will be touched, and the sensor 11 detects that the locking pin is unlocked, so that the motor 9 is powered off and cannot start. This ensures that the electric rotating mechanism is powered off during manual adjustment, and the safety of use of the device is improved.

[0054] Still further, the base is provided with a locator. The locator is configured to sense position information of the seat body. The locator can be achieved by sensing a rotation angle or by touch sensing. The locator can sense at least four rotation positions, and every two adjacent rotation positions form 90 degrees. By the arrangement of the locator for sensing at each rotation position, it is more convenient to sense commonly used rotation positions.

Embodiment 3

[0055] This embodiment provides a child safety seat with a rotating mechanism based on Embodiment 1 or Embodiment 2. The seat body 1 is provided with first sensing devices 12. The first sensing devices 12 are configured to sense opening of a vehicle door. When the vehicle door is opened, the rotating mechanism controls, through the first sensing devices 12, the seat body 1 to turn to the opened vehicle door. The first sensing devices 12 are laser radars. The laser radars are mounted on two sides of the seat body. The laser radars have small sizes. After being mounted, the laser radars will not affect the size of the entire seat. The first sensing devices 12 are symmetrically mounted on two sides of the seat body and close to the vehicle door. There may be four first sensing devices 12 which are respectively mounted in four directions: up, down, left, and right, to improve the sensing precision.

[0056] Further, the seat body 1 is provided with a second sensing device 13 to sense an empty state of the seat body 1. When it is detected that the seat body 1 is empty, the seat body 1 can automatically turn. When the second sensing device 13 detects that there is a child on the seat body 1, the rotating mechanism is powered off, and the seat body 1 cannot rotate automatically. The second sensor is a pressure sensor, and the pressure sensor is mounted at a sitting position of the seat body 1 or on the turntable 3 of the base 2.

[0057] Still further, the connecting module is arranged on the seat body 1, so that the seat body 1 can be connected to the in-vehicle main control system through the connecting module. When the vehicle door is switched to an unlocked state, the in-vehicle main control system can transmit a signal to the seat body 1 through the connecting module, and the seat body 1 can receive a vehicle door opening signal, so that the seat body automatically turns to the vehicle door on the side closer to the seat body 1 through the rotating mechanism, to facilitate putting the child. On the other hand, the child safety seat can be connected to another signal end through the connecting module, such as a mobile phone APP. Through the APP, the seat body 1 can be directly controlled to turn. The child safety seat is more convenient to use.

[0058] According to the child safety seat with the rotating mechanism provided by the present disclosure, the seat body 1 is driven to rotate 360 degrees through the toothed ring 5 and the screw rod 6. The screw rod 6 is more labor-saving and has a simpler structure. The turntable 3 is fixed relative to the seat body 1. The locking member 7 is arranged at a bottom of the seat body 1, and the positioning slot 8 is arranged on the toothed ring 5, to fix the turntable 3 and the toothed ring 5. By the arrangement of the plurality of positioning slots 8 on the toothed ring 5 and the arrangement of an unlocking switch configured to unlock the locking member 7 and the positioning slots 8, the seat body 1 can be manually rotated through the turntable 3, which is faster. By the arrangement of the sensor to sense whether the seat body 1 is locked, the safety of use is improved. The child safety seat with the rotating mechanism provided by the present disclosure has the advantages of convenience of electric rotation, small size of an electric rotating mechanism, quick locking, and the like.

[0059] The terms used in part of the implementations of the present disclosure are only used for explaining the specific embodiments of the present disclosure, but are not intended to limit the present disclosure. The implementation modes of the present disclosure are described above only. It should be noted that those of ordinary skill in the art can further make improvements without departing from the concept of the present disclosure. These improvements shall all fall within the protection scope of the present disclosure.