A child safety seat for a vehicle

Abstract

The present application relates to the technical field of child safety seats, and particularly relates to a child safety seat for a car. The child safety seat for a car comprises a seat body, a supporting seat and an angle adjusting device. The back side of the seat body is arc-shaped in the vertical direction. The back side of the seat body is slidably installed on the supporting seat in a pitching manner. The sliding fit surface of the back side of the seat body and the supporting seat is arc-shaped. The angle adjusting device comprises a driving member, a gear and a rack. The fixed end of the driving member is fixedly installed on the supporting seat. The driving end of the driving member is fixedly sleeved with the gear. The rack extends in the vertical direction and is arc-shaped. The rack is attached to and fixed on the back side of the seat body. The rack is engaged with the gear. The driving member, the gear and the rack can finely adjust the pitching angle of the seat body. The problems of head forward leaning, head tilting and suffocation caused by fixed angle or small adjusting range are avoided. The comfort of children in the car is significantly improved.

Description

Technical Field

[0001] This invention relates to the field of child safety seat technology, and more particularly to a child safety seat for automobiles. Background Technology

[0002] A child safety seat for cars is a specialized safety device designed specifically for children, which can be fixed to a car seat and reduces the risk of injury by restraining, cushioning, and restricting body movement during a vehicle collision or emergency braking.

[0003] Child safety seats are widely used in car passenger protection. Currently, most child safety seats on the market have a fixed backrest angle or only a very limited range of adjustment. For child safety seats with adjustable backrests, the common adjustment method usually involves two or three positions, such as a sitting position and a semi-reclined position. However, in actual use, the angle change is not significant, and the adjustment process often requires removing and reinstalling the seat or using considerable force to turn the adjustment handle. Especially during long car journeys, children are prone to falling asleep. A fixed-angle seat cannot allow a child to lie flat, and their head tends to droop forward or tilt to one side, which is not only uncomfortable but may also affect breathing and neck health over time. Furthermore, children of different weights and heights have different seating posture requirements, and a fixed-angle seat is difficult to fit all children, sometimes even causing the seatbelt to not be properly positioned, reducing safety.

[0004] Therefore, there is an urgent need for a child safety seat that can be precisely adjusted to multiple angles to make children more comfortable during car rides and improve their overall comfort. Summary of the Invention

[0005] (a) Technical problems to be solved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a child safety seat for automobiles, which solves the technical problem that existing child safety seats cannot be finely adjusted to multiple angles, thus reducing the comfort and safety of children while riding in a car.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the main technical solutions adopted by the present invention include:

[0009] This invention provides a child safety seat for automobiles, including a seat body, a support seat, and an angle adjustment device. The back of the seat body is vertically curved and can be slidably mounted on the support seat. The sliding mating surfaces of the back of the seat body and the support seat are curved. The angle adjustment device includes a drive member, a gear, and a rack. The fixed end of the drive member is fixedly mounted on the support seat, and the drive end of the drive member is fixedly fitted with the gear. The rack extends vertically and is curved, and is attached to and fixed to the back of the seat body, meshing with the gear. The drive end of the drive member can drive the gear to rotate, and the gear drives the rack and the seat body to slide relative to the support seat to adjust the pitch angle of the seat body.

[0010] Preferably, the back of the seat body is provided with a positioning groove, which extends vertically along the arc surface of the back of the seat body, and the rack is fixedly installed in the positioning groove for positioning the installation position of the rack.

[0011] Preferably, there are at least two gears, and at least two gears are fixedly sleeved on the driving end of the driving member, and at least two gears are coaxial with the axis of the driving member and mesh with the rack.

[0012] Preferably, the system further includes a base and a rotating device. The base is fixedly installed on the bottom of the support. The rotating device includes a rotating shaft, a locking plate, and a locking mechanism. The rotating shaft is vertically oriented within the base, with one end rotatably connected to the base and the other end fixedly connected to the bottom of the support. The seat body and the support can rotate around the axis of the rotating shaft to adjust their horizontal orientation. The locking plate is placed within the base and is coaxially and fixedly sleeved on the rotating shaft. The outer edge of the locking plate has multiple slots arranged circumferentially around the axis of the locking plate. The locking mechanism is horizontally movable on the base, and its locking end can engage with any of the slots to lock the support and the seat body in any horizontal orientation.

[0013] Preferably, the snap-fit ​​mechanism includes a snap-fit ​​plate, a connecting plate, and an elastic element; the snap-fit ​​plate is the snap-fit ​​end of the snap-fit ​​mechanism; one end of the snap-fit ​​plate is horizontally inserted into the base, and the other end of the snap-fit ​​plate extends out from the front side of the base; the end of the snap-fit ​​plate inserted into the base can snap into any of the slots; a movable space is provided in the base, the movable space is located below the snap-fit ​​plate, the connecting plate is placed in the movable space, and the connecting plate is fixed to the bottom of the snap-fit ​​plate; the elastic element extends along the moving direction of the snap-fit ​​plate, and both ends of the elastic element abut against the side walls of the connecting plate and the movable space, respectively, to provide rebound force and buffer force for the connecting plate and the snap-fit ​​plate.

[0014] Preferably, the snap-fit ​​mechanism further includes a telescopic rod; the telescopic rod extends along the moving direction of the snap-fit ​​plate, and both ends of the telescopic rod are fixedly connected to the connecting plate and the side wall of the moving space, respectively. The elastic element is sleeved on the outside of the telescopic rod to provide guidance for the elastic element.

[0015] Preferably, the system further includes a ventilation device; the ventilation device includes an air inlet connector, an air inlet pipe, a mounting connector, a main air duct, multiple branch pipes, and multiple air outlet mechanisms; the air inlet connector, the air inlet pipe, and the mounting connector are all located outside the seat body, and the mounting connector is installed at the front end of the seat body; the main air duct and the multiple branch pipes are all located inside the seat body; and the multiple air outlet mechanisms are all installed on the seat body; the air inlet end of the air inlet connector can be attached to the rear air vent of the vehicle, and the air inlet end of the air inlet pipe is connected to the air outlet end of the air inlet connector. The air inlet pipe's outlet end is connected and communicates with the air inlet end of the mounting joint, and the air outlet end of the mounting joint is connected and communicates with the air inlet end of the main air pipe. The air outlet end of the main air pipe is sealed by a plug. The air inlets of the multiple branch pipes are all connected and communicate with the main air pipe, and the air outlet ends of the multiple branch pipes are respectively connected and communicated with the multiple air outlet mechanisms one-to-one, so that the air released from the rear exhaust vent of the vehicle can flow sequentially through the air inlet joint, the air inlet pipe, the mounting joint, the main air pipe, and the multiple branch pipes, and be released from the multiple air outlet mechanisms respectively.

[0016] Preferably, the plurality of air outlet mechanisms are symmetrically arranged about the vertical center line of the seat body; at least two of the air outlet mechanisms are located on both sides of the headrest of the seat body, and their air outlet ends are inclined downward toward the backrest of the seat body; at least two of the air outlet mechanisms are located on both sides of the backrest of the seat body, and their air outlet ends are inclined downward toward the backrest; at least two of the air outlet mechanisms are located on both sides of the seat cushion of the seat body, and their air outlet ends are inclined upward toward the backrest of the seat body.

[0017] Preferably, the air outlet mechanism includes a frame, an adjustment component, and at least two guide plates; the seat body has mounting holes, and the frame is installed in the mounting holes; at least two guide plates extend along the length direction of the frame, and at least two guide plates are spaced apart along the height direction of the frame, and are rotatably connected to the inner wall of the frame, the guide plates being able to guide the air outlet direction; the adjustment component is installed on the side wall of the frame, and the adjustment component can simultaneously drive at least two guide plates to rotate, so as to adjust the air outlet direction of the air outlet mechanism.

[0018] Preferably, the adjustment assembly includes a knob, a drive wheel, a transmission belt, and at least one driven wheel; each guide plate has a fixed shaft mounted on both sides, the fixed shaft is rotatably connected to the frame, and the fixed shafts on the same side of at least two guide plates extend out of the side wall of the frame; one fixed shaft is fitted with the drive wheel, and the other fixed shafts are fitted with the driven wheels, the transmission belt is fitted on the drive wheel and at least one driven wheel; the knob is fixedly installed at the end of the fixed shaft fitted with the drive wheel away from the guide plate, and the knob, the drive wheel, and the fixed shaft are coaxially arranged; turning the knob can drive the fixed shaft, the drive wheel, and the guide plate to rotate around the axis of the fixed shaft, so that the other guide plates can rotate synchronously around the axis of their corresponding fixed shafts through the transmission belt, at least one driven wheel, and the other fixed shafts, thereby adjusting the air outlet direction of the air outlet mechanism.

[0019] (III) Beneficial Effects

[0020] The beneficial effects of this invention are:

[0021] This invention discloses a child safety seat for automobiles. By incorporating a drive unit, gear, and rack, the rack is mounted on the curved surface of the seat's back. The gear meshes with the rack, and the drive unit's drive end rotates the gear, causing the rack and seat body to slide relative to the support seat along the curved surface of the seat's back. This allows for precise adjustment of the seat's tilt angle, tailoring it to the needs of children of different weights and heights, and to different riding conditions. This significantly improves children's comfort and neck and respiratory health during travel. Compared to existing technologies, this invention allows for precise adjustment of the seat's tilt angle, avoiding problems such as head drooping, head tilting, and shortness of breath caused by fixed angles or limited adjustment ranges, thus significantly improving children's comfort. Furthermore, the rack and pinion transmission has a self-locking capability, enabling stable locking at any adjustment position, thereby improving safety and convenience, and reducing the safety risk of poor seatbelt fit due to angle mismatch. Furthermore, by designing the rack as an arc-shaped structure, it can fit more closely to the back arc surface of the seat body when installed, thereby improving the installation adaptability of the rack. This ensures that the seat body can slide relative to the support seat along its own back arc surface under the transmission of the gears and rack, thus ensuring that the seat body can slide to a suitable pitch angle and improving the accuracy and stability of adjusting the pitch angle of the seat body. Attached Figure Description

[0022] Figure 1 This is a frontal three-dimensional structural diagram of a child safety seat for automobiles according to the present invention;

[0023] Figure 2 This is a rear-view three-dimensional structural diagram of a child safety seat for automobiles according to the present invention;

[0024] Figure 3 This is a schematic diagram of the overall three-dimensional disassembly structure of a child safety seat for automobiles according to the present invention;

[0025] Figure 4 This is a three-dimensional disassembled structural diagram of the angle adjustment device and support seat of a child safety seat for automobiles according to the present invention.

[0026] Figure 5 This is a cross-sectional structural diagram of the rotating device and base of a child safety seat for automobiles according to the present invention.

[0027] Figure 6 This is a three-dimensional structural diagram of the air vent mechanism of a child safety seat for automobiles according to the present invention.

[0028] Figure 7 This is a schematic diagram of the overall front view structure of the air vent mechanism of a child safety seat for automobiles according to the present invention;

[0029] Figure 8 This is a three-dimensional structural diagram of a ventilation device for a child safety seat in a car according to the present invention.

[0030] Figure 9 for Figure 8 Enlarged structural diagram at point A in the middle.

[0031] [Explanation of Labels in the Attached Image]

[0032] 1: Seat body; 11: Positioning groove; 2: Support seat; 21: Slide groove; 22: Guide groove; 3: Angle adjustment device; 31: Driving component; 32: Gear; 33: Rack; 331: Guide bar; 4: Base; 41: Moving space; 5: Rotating device; 51: Rotating shaft; 52: Snap-fit ​​plate; 521: Snap-fit ​​groove; 53: Snap-fit ​​mechanism; 531: Snap-fit ​​plate; 532: Connecting plate; 533: Elastic component 534: Telescopic rod; 6: Ventilation device; 61: Air inlet connector; 611: Sealing cover; 612: Clip; 62: Air inlet pipe; 63: Mounting connector; 64: Main air duct; 65: Branch pipe; 66: Air outlet mechanism; 661: Frame; 662: Adjustment component; 6621: Knob; 6622: Drive wheel; 6623: Drive belt; 6624: Driven wheel; 663: Guide plate; 664: Fixed shaft. Detailed Implementation

[0033] To better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention can be understood more clearly and thoroughly, and that the scope of the present invention can be fully conveyed to those skilled in the art.

[0034] Example

[0035] This embodiment of a child safety seat for automobiles includes a seat body 1, a support seat 2, and an angle adjustment device 3.

[0036] Specifically, such as Figures 1-4As shown, the back of the seat body 1 is curved vertically, and the back of the seat body 1 can be slidably mounted on the support 2. The sliding mating surface between the back of the seat body 1 and the support 2 is curved. The angle adjustment device 3 includes a drive component 31, a gear 32, and a rack 33. The drive component 31 is arranged along the width direction of the support 2. The fixed end of the drive component 31 is fixedly mounted on the support 2, or it can be installed inside the support 2. The drive end of the drive component 31 is located inside the support 2, and the drive end of the drive component 31 is fixedly fitted with the gear 32, that is, the gear 32 is located inside the support 2. The gear 32 is coaxially arranged with the drive component 31. The rack 33 extends vertically and is curved. The rack 33 is attached to and fixed to the back of the seat body 1, and the gear 32 meshes with the rack 33. The drive end of the drive component 31 can drive the gear 32 to rotate. The gear drives the rack 33 and the seat body 1 to slide relative to the support seat 2 along the back arc surface of the seat body 1, thereby adjusting the pitch angle of the seat body 1.

[0037] By configuring a drive component 31, a gear 32, and a rack 33, with the rack 33 mounted on the back arc surface of the seat body 1 and the gear 32 meshing with the rack 33, the drive end of the drive component 31 can drive the gear 32 to rotate. This allows the rack 33 and the seat body 1 to slide relative to the support seat 2 along the back arc surface of the seat body 1, thereby achieving fine adjustment of the pitch angle of the seat body 1. This allows the seat body 1 to be adjusted to a suitable pitch angle according to the needs of children of different weights and heights, as well as the riding position, significantly improving the comfort of children in the car and their neck breathing health. Compared with the prior art, this invention can finely adjust the pitch angle of the seat body 1, avoiding problems such as head drooping, head tilting, and shortness of breath caused by fixed angles or small adjustment ranges, thus significantly improving the comfort of children in the car. At the same time, because the gear 32 and rack 33 transmission has a self-locking capability, it can achieve stable locking at any adjustment position, thereby improving safety and convenience of use and reducing the safety risk of poor seat belt fit due to angle mismatch. Furthermore, by designing the rack 33 as an arc-shaped structure, it is possible for the rack 33 to fit more closely to the back arc surface of the seat body 1 when it is installed on the back arc surface of the seat body 1, thereby improving the installation adaptability of the rack 33 and ensuring that the seat body 1 can slide relative to the support seat 2 along its own back arc surface under the transmission of the gear 32 and the rack 33. This ensures that the seat body 1 can slide to a suitable pitch angle, improving the accuracy and stability of adjusting the pitch angle of the seat body 1.

[0038] The drive unit 31 is a reversible motor with a brake, ensuring that after the seat body 1 is adjusted to the target tilt angle, there will be no relative slippage between the gear 32 and the rack 33. This prevents the seat body 1 from accidentally sliding due to gravity, thus improving the stability and reliability of the seat body 1. Furthermore, the drive shaft of the drive unit 31 extends along the width direction of the support seat 2, and the drive unit 31, its drive shaft, and the gear 32 are coaxial. The tilt angle range of the seat body 1 is 90°-165°, thus adapting to various needs of children.

[0039] Furthermore, such as Figure 4 As shown, the top of the support 2 is provided with a sliding groove 21 and two guide grooves 22. The sliding groove 21 is an arc-shaped groove corresponding to the rack 33. The two guide grooves 22 are located on both sides of the width direction of the sliding groove 21, and both guide grooves 22 are connected to the sliding groove 21. Correspondingly, guide strips 331 are provided on both sides of the rack 33 along the width direction. The guide strips 331 are arc-shaped strips corresponding to the rack 33. The rack 33 is placed in the sliding groove 21 and can slide in the sliding groove 21. The two guide strips 331 are respectively located in the two guide grooves 22, thereby realizing the sliding connection between the seat body 1 and the support 2, ensuring the stable connection between the seat body 1 and the support 2, and guiding the sliding direction of the rack 33 to prevent the rack 33 from deviating during the sliding process, improving the sliding accuracy of the seat body 1 and the rack 33, and ensuring that the seat body 1 can accurately adjust the tilt angle.

[0040] Furthermore, such as Figure 2 and Figure 3 As shown, the back of the seat body 1 is provided with a positioning groove 11. The positioning groove 11 extends vertically along the arc surface of the back of the seat body 1. The rack 33 is fixedly installed in the positioning groove 11 on the side facing the seat body 1. It is used to position the installation position of the rack 33 to ensure that the rack 33 and the gear 32 mesh stably, thereby improving the transmission accuracy and transmission reliability of the angle adjustment device 3 and reducing the risk of adjustment jamming caused by rack 33 offset.

[0041] Furthermore, such as Figure 3 As shown, there are at least two gears 32, and at least two gears 32 are fixedly sleeved on the drive end of the drive member 31. At least two gears 32 are coaxial with the axis of the drive member 31 and mesh with the rack 33. This can increase the driving torque and distribute the force at the meshing point of each gear 32 and rack 33, thereby improving the stability and load-bearing capacity of the angle adjustment. Especially when the child is heavy or the seat angle adjustment is obstructed, it can still run smoothly, reducing the risk of wear or damage to a single gear 32 or rack 33 due to local overload.

[0042] Furthermore, such as Figure 3 and Figure 5 As shown, this embodiment also includes a base 4 and a rotating device 5. The base 4 is fixedly installed on the bottom of the support 2. The rotating device 5 includes a rotating shaft 51, a locking plate 52, and a locking mechanism 53. The rotating shaft 51 is vertically oriented inside the base 4, and one end of the rotating shaft 51 is rotatably connected to the base 4, while the other end is fixedly connected to the bottom of the support 2. The seat body 1 and the support 2 can rotate around the axis of the rotating shaft 51 to adjust their horizontal orientation. The locking plate 52 is placed inside the base 4, and the locking plate 52 is coaxially fixedly sleeved on the rotating shaft 51. The outer edge of the locking plate 52 has multiple locking slots 521, and the multiple locking slots 521 are arranged circumferentially around the axis of the locking plate 52. The locking mechanism 53 is horizontally movable on the base 4, and is controlled by... Figure 3 and Figure 5 As shown, in this embodiment, the latching mechanism 53 is horizontally inserted into the front side of the base 4, and the latching end of the latching mechanism 53 can latch with any slot 521 to lock the support 2 and the seat body 1 in any horizontal orientation. By setting the rotating shaft 51, the orientation of the seat body 1 and the support 2 can be quickly changed, so that parents can take care of children in different positions in the car or flexibly adjust the orientation of the seat body 1 according to the riding scenario, thereby improving the flexibility and adaptability of the seat body 1. At the same time, by setting the latching plate 52 with multiple circumferentially arranged slots 521 and the latching mechanism 53, the latching plate 52 can be locked, thereby locking the seat body 1 in any direction, thereby improving the stability of the seat body 1 in a certain direction and preventing the seat body 1 from deflecting due to external force when locked.

[0043] Among them, such as Figure 3 As shown, the card slot 521 has at least four slots, so that the seat body 1 and the support seat 2 can rotate at least 90°, that is, the seat body 1 faces the front seat, the seat body 1 faces the rear seat, and the seat body 1 faces the two rear doors, which makes it more convenient for parents to take care of children in the rear seat and also makes it easier for children to get in and out of the car.

[0044] Furthermore, such as Figure 5As shown, the snap-fit ​​mechanism 53 includes a snap-fit ​​plate 531, a connecting plate 532, and an elastic element 533. The snap-fit ​​plate 531 is the snap-fit ​​end of the snap-fit ​​mechanism 53. One end of the snap-fit ​​plate 531 is horizontally inserted into the front side of the base 4, and the other end extends out from the front side of the base 4. The end of the snap-fit ​​plate 531 inserted into the base can snap into any slot 521. A moving space 41 is provided inside the base 4, located below the snap-fit ​​plate 531. The connecting plate 532 is placed within the moving space 41 and is fixed to the bottom of the snap-fit ​​plate 531, and is vertically connected to the snap-fit ​​plate 531. The elastic element 533 extends along the moving direction of the snap-fit ​​plate 531. Both ends of the elastic element 533 abut against the side of the connecting plate 532 away from the snap-fit ​​plate 531 and the side of the moving space 41 facing the connecting plate 532, respectively, to provide rebound force and buffering force for the connecting plate 532 and the snap-fit ​​plate 531. When it is necessary to unlock the locking plate 531 from the slot 521, pull the locking plate 531, the elastic element 533 is compressed, and the locking plate 531 disengages from the slot 521. At this time, the elastic element 533 provides a buffering force for the locking plate 531 and the connecting plate 532, so that the support seat 2 and the seat body 1 can rotate. During the rotation of the seat body 1, the end of the locking plate 531 facing the locking plate 52 abuts against the outer peripheral wall of the locking plate 52. When the end of the engaging plate 531 facing the engaging plate 52 aligns with the other slot 521, the elastic element 533 provides a restoring force to the engaging plate 531 and the connecting plate 532. This causes the elastic element 533 to drive the engaging plate 531 and the connecting plate 532 to move synchronously toward the slot 521, thereby engaging the engaging plate 531 with the slot 521. This achieves locking of the seat body 1 and the support 2 in another direction, thus improving the locking and unlocking efficiency of the engaging mechanism 53 and the engaging plate 52, and also improving the adjustment efficiency of adjusting the direction of the seat body 1 and the support 2.

[0045] Furthermore, the locking mechanism 53 also includes a telescopic rod 534. The telescopic rod 534 extends along the moving direction of the locking plate 531, and its two ends are fixedly connected to the side walls of the connecting plate 532 and the moving space 41, respectively. The elastic element 533 is sleeved on the outside of the telescopic rod 534 to provide guidance for the elastic element 533 and prevent the elastic element 533 from bending, deflecting or becoming unstable during the force process. This improves the smoothness and reliability of the movement of the locking plate 531 and the connecting plate 532 and reduces the risk of the elastic element 533 jamming, twisting or fatigue fracture.

[0046] Furthermore, this implementation example Figures 1-3 , Figure 8As shown, it also includes a ventilation device 6. The ventilation device 6 includes an air inlet connector 61, an air inlet pipe 62, a mounting connector 63, a main air pipe 64, multiple branch pipes 65, and multiple air outlet mechanisms 66. The air inlet connector 61, air inlet pipe 62, and mounting connector 63 are all located outside the seat body 1, with the mounting connector 63 installed at the front end of the seat body 1. The main air pipe 64 and multiple branch pipes 65 are all located inside the seat body 1, and the multiple air outlet mechanisms 66 are all installed on the seat body 1. The air inlet end of the air inlet connector 61 can be attached to the rear air vent of the vehicle. The air inlet end of the air inlet pipe 62 is connected and communicates with the air outlet end of the air inlet connector 61. The air outlet end of the air inlet pipe 62 is connected and communicates with the air inlet end of the mounting connector 63. The air outlet end of the mounting connector 63 is connected and communicates with the air inlet end of the main air pipe 64. The air outlet end of the main air pipe 64 is sealed by a plug. The air inlets of multiple branch pipes 65 are connected to and communicate with the main air duct 64, and the air outlets of multiple branch pipes 65 are respectively connected to and communicate with multiple air outlet mechanisms 66 one by one. This allows the air released from the rear air vents of the car to flow sequentially through the air inlet connector 61, air inlet pipe 62, mounting connector 63, main air duct 64 and multiple branch pipes 65 and be released from multiple air outlet mechanisms 66. This utilizes the vehicle's existing air source to provide ventilation, heat dissipation or heating functions for children, thereby improving the temperature and humidity comfort of children while riding in the car. It avoids children's backs and buttocks from being stuffy and sweaty during long-distance car rides in summer or from feeling cold and uncomfortable in winter, reducing the risk of irritability, skin problems or colds caused by stuffiness. At the same time, no additional power source is required, saving energy.

[0047] Furthermore, such as Figure 9 As shown, the air inlet connector 61 includes a sealing cover 611 and two retaining strips 612. The sealing cover 611 has a rectangular structure, and the two retaining strips 612 are arranged along the length of the sealing cover 611, facing each other and spaced apart. The opposite ends of the two retaining strips 612 have a triangular structure, with the two inclined surfaces of the triangles facing the air inlet pipe 62 and the rear exhaust vent, respectively. The sealing cover 611 can be fastened to the rear exhaust vent and seal it. The two retaining strips 612 can be secured to the structure of the rear exhaust vent, thus allowing the sealing cover 611 to be secured at the rear exhaust vent, enabling the air discharged from the rear exhaust vent to enter through the air inlet connector 61. Of course, rubber strips that curve outwards can also be connected to the outer walls of the sealing cover 611 to further improve the seal on the rear exhaust vent, ensuring that all the air released from the rear exhaust vent enters the air inlet connector 61 and preventing a small amount of air from blowing directly on children. The retaining strip 612 can be made of plastic and is capable of deformation. When the sealing cover 611 is attached to the structure of the rear exhaust vent, the retaining strip 612 deforms and enters the rear exhaust vent, engaging with its structure. When disassembly is required, the air inlet connector 61 is pulled out, and the retaining strip 612 deforms and detaches from the structure of the rear exhaust vent, thereby enabling the disassembly of the air inlet connector 61.

[0048] Furthermore, such as Figure 1 As shown, multiple air outlet mechanisms 66 are symmetrically arranged around the vertical centerline of the seat body 1. At least two air outlet mechanisms 66 are located on both sides of the headrest of the seat body 1, with their air outlets tilted downwards towards the backrest of the seat body 1. At least two air outlet mechanisms 66 are located on both sides of the backrest of the seat body 1, with their air outlets tilted downwards towards the backrest. At least two air outlet mechanisms 66 are located on both sides of the seat cushion of the seat body 1, with their air outlets tilted upwards towards the backrest of the seat body 1. By arranging multiple air outlet mechanisms 66 on both sides of the headrest, both sides of the backrest, and both sides of the seat cushion, with the air outlets on both sides of the headrest tilted downwards towards the headrest, the air outlets on both sides of the backrest tilted downwards towards the backrest, and the air outlets on both sides of the seat cushion tilted upwards towards the backrest, a surround-like three-dimensional air supply can be achieved, forming a wind shield on the child's back. This allows the airflow to evenly cover the child's back, buttocks, and legs, thereby improving the coverage and efficiency of ventilation and cooling, and reducing the possibility of localized overcooling, direct airflow discomfort, or ventilation dead zones.

[0049] Furthermore, such as Figure 6 and Figure 7 As shown, the air outlet mechanism 66 includes a frame 661, an adjustment component 662, and at least two guide plates 663. The seat body 1 has mounting holes, and the frame 661 is installed within these holes. At least two guide plates 663 extend along the length of the frame 661 and are spaced apart along the height of the frame 661, and are rotatably connected to the inner wall of the frame 661. The guide plates 663 guide the air outlet direction. The adjustment component 662 is mounted on the side wall of the frame 661 and can simultaneously rotate at least two guide plates 663 to adjust the air outlet direction of the air outlet mechanism 66. This allows the user to change the air outlet angle according to the child's preferences or seasonal changes by adjusting the component 662, thereby improving the adaptability of the ventilation device 6 and reducing discomfort caused by a fixed airflow direction or direct cold air blowing.

[0050] Further, the adjustment assembly 662 includes a knob 6621, a drive wheel 6622, a transmission belt 6623, and at least one driven wheel 6624. Fixed shafts 664 are mounted on both sides of each guide plate 663, and the fixed shafts 664 are rotatably connected to the frame 661. At least two fixed shafts 664 on the same side of the guide plates 663 extend out of the side wall of the frame 661. One fixed shaft 664 is fitted with the drive wheel 6622, and the other fixed shafts 664 are fitted with driven wheels 6624. The transmission belt 6623 is fitted onto the drive wheel 6622 and at least one driven wheel 6624. The knob 6621 is fixedly mounted on the end of the fixed shaft 664 fitted with the drive wheel 6622 away from the guide plate 663. The knob 6621, drive wheel 6622, and fixed shaft 664 are coaxially arranged. Turning the knob 6621 causes the fixed shaft 664, the drive wheel 6622, and the guide plate 663 to rotate around the axis of the fixed shaft 664. This allows other guide plates 663 to rotate synchronously around their corresponding fixed shafts 664 via the drive belt 6623, at least one driven wheel 6624, and the other fixed shafts 664. This ensures that the rotation angles of all guide plates 663 are consistent, thereby adjusting the air outlet direction of the air outlet mechanism 66. This improves the efficiency of adjusting the air outlet direction of the air outlet mechanism 66 and the portability of adjusting multiple guide plates 663.

[0051] Furthermore, the back of the base 4 is provided with an ISOFIX extension mechanism (not shown in the figure), where ISOFIX refers to the child safety seat fixing system, which is existing technology and will not be described in detail here.

[0052] Furthermore, a temperature sensor (not shown in the figure) is installed inside the seat cushion of the seat body 1 to monitor whether the child has urinated. When the child urinates, their skin temperature rises, and the temperature sensor detects the rapid temperature increase, thus informing the parents that the child has urinated. This avoids situations where parents are unaware that the child has urinated, which could lead to skin irritation for the child, and reduces the risk of skin irritation for the child by 70%.

[0053] In the description of this invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0054] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0055] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that they are in indirect contact through an intermediate medium. Furthermore, "above," "over," or "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," or "beneath" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0056] In the description of this specification, the terms "one embodiment," "some embodiments," "embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0057] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make modifications, alterations, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A child safety seat for automobiles, comprising a seat body (1), characterized in that, It also includes a support (2) and an angle adjustment device (3); The back of the seat body (1) is arc-shaped in the vertical direction. The back of the seat body (1) can be slidably mounted on the support seat (2). The sliding mating surface between the back of the seat body (1) and the support seat (2) is an arc surface. The angle adjustment device (3) includes a drive member (31), a gear (32) and a rack (33). The fixed end of the drive member (31) is fixedly installed on the support (2), and the drive end of the drive member (31) is fixedly sleeved with the gear (32). The rack (33) extends vertically and is arc-shaped. The rack (33) is attached to and fixed to the back side of the seat body (1). The rack (33) meshes with the gear (32). The drive end of the drive member (31) can drive the gear (32) to rotate, and the gear (32) drives the rack (33) and the seat body (1) to slide relative to the support seat (2) to adjust the pitch angle of the seat body (1).

2. The child safety seat for automobiles as described in claim 1, characterized in that: The seat body (1) has a positioning groove (11) on the back side. The positioning groove (11) extends vertically along the arc surface of the back side of the seat body (1). The rack (33) is fixedly installed in the positioning groove (11) to position the rack (33).

3. The child safety seat for automobiles as described in claim 1, characterized in that: The gear (32) is provided in at least two, and at least two gears (32) are fixedly sleeved on the driving end of the driving member (31), and at least two gears (32) are coaxial with the axis of the driving member (31) and mesh with the rack (33).

4. The child safety seat for automobiles as described in claim 1, characterized in that: It also includes a base (4) and a rotating device (5), wherein the base (4) is fixedly installed on the bottom of the support (2); The rotating device (5) includes a rotating shaft (51), a snap-fit ​​plate (52), and a snap-fit ​​mechanism (53). The rotating shaft (51) is vertically oriented inside the base (4), and one end of the rotating shaft (51) is rotatably connected to the base (4), while the other end is fixedly connected to the bottom of the support seat (2). The seat body (1) and the support seat (2) can rotate around the axis of the rotating shaft (51) to adjust the horizontal orientation. The card plate (52) is placed inside the base (4), and the card plate (52) is coaxially fixedly sleeved on the rotating shaft (51) and the rotating shaft (51). The outer edge of the card plate (52) is provided with multiple card slots (521), and the multiple card slots (521) are arranged circumferentially around the axis of the card plate (52). The latching mechanism (53) is horizontally movable on the base (4), and the latching end of the latching mechanism (53) can latch with any of the slots (521) to lock the support (2) and the seat body (1) in any horizontal orientation.

5. The child safety seat for automobiles as described in claim 4, characterized in that: The snap-fit ​​mechanism (53) includes a snap-fit ​​plate (531), a connecting plate (532), and an elastic element (533); The snap-fit ​​plate (531) is the snap-fit ​​end of the snap-fit ​​mechanism (53); one end of the snap-fit ​​plate (531) is horizontally inserted into the base (4), and the other end of the snap-fit ​​plate (531) extends out from the front side of the base (4). The end of the snap-fit ​​plate (531) inserted into the base (4) can be snapped into any of the slots (521). The base (4) has a movable space (41) inside, the movable space (41) is located below the snap-fit ​​plate (531), the connecting plate (532) is placed inside the movable space (41), and the connecting plate (532) is fixed to the bottom of the snap-fit ​​plate (531); The elastic element (533) extends along the moving direction of the snap-fit ​​plate (531), and the two ends of the elastic element (533) abut against the side wall of the connecting plate (532) and the moving space (41) respectively, so as to provide the connecting plate (532) and the snap-fit ​​plate (531) with rebound force and buffer force.

6. The child safety seat for automobiles as described in claim 5, characterized in that: The locking mechanism (53) also includes a telescopic rod (534); The telescopic rod (534) extends along the moving direction of the snap-fit ​​plate (531). The two ends of the telescopic rod (534) are fixedly connected to the side wall of the connecting plate (532) and the moving space (41), respectively. The elastic element (533) is sleeved on the outside of the telescopic rod (534) to provide guidance for the elastic element (533).

7. The child safety seat for automobiles as described in claim 1, characterized in that: It also includes ventilation devices (6); The ventilation device (6) includes an air inlet connector (61), an air inlet pipe (62), an installation connector (63), a main air pipe (64), multiple branch pipes (65), and multiple air outlet mechanisms (66). The air inlet connector (61), the air inlet pipe (62) and the mounting connector (63) are all located outside the seat body (1), and the mounting connector (63) is installed at the front end of the seat body (1). The main air pipe (64) and multiple branch pipes (65) are all located inside the seat body (1), and multiple air outlet mechanisms (66) are all installed on the seat body (1). The air inlet end of the air inlet connector (61) can be fastened to the rear air outlet of the car. The air inlet end of the air inlet pipe (62) is connected and communicates with the air outlet end of the air inlet connector (61). The air outlet end of the air inlet pipe (62) is connected and communicates with the air inlet end of the mounting connector (63). The air outlet end of the mounting connector (63) is connected and communicates with the air inlet end of the main air pipe (64). The air outlet end of the main air pipe (64) is sealed by a plug. The air inlet ends of the multiple branch pipes (65) are connected and communicate with the main air pipe (64), and the air outlet ends of the multiple branch pipes (65) are respectively connected and communicated with the multiple air outlet mechanisms (66) one by one, so that the air released from the rear exhaust vent of the car can flow through the air inlet connector (61), the air inlet pipe (62), the mounting connector (63), the main air pipe (64) and the multiple branch pipes (65) in sequence and be released from the multiple air outlet mechanisms (66) respectively.

8. The child safety seat for automobiles as described in claim 7, characterized in that: The plurality of the air outlet mechanisms (66) are symmetrically arranged about the vertical centerline of the seat body (1); At least two of the air outlet mechanisms (66) are located on both sides of the headrest of the seat body (1), and their air outlets are tilted downward toward the back of the seat body (1). At least two of the air outlet mechanisms (66) are located on both sides of the backrest of the seat body (1), and their air outlet ends are inclined downward toward the backrest; At least two of the air outlet mechanisms (66) are located on both sides of the seat cushion of the seat body (1), and their air outlets are tilted upward toward the backrest of the seat body (1).

9. The child safety seat for automobiles as described in claim 8, characterized in that: The air outlet mechanism (66) includes a frame (661), an adjustment assembly (662), and at least two guide plates (663). The seat body (1) has a mounting hole, and the frame (661) is installed in the mounting hole; At least two of the guide plates (663) extend along the length direction of the frame (661), and at least two of the guide plates (663) are spaced apart along the height direction of the frame (661), and are rotatably connected to the inner wall of the frame (661). The guide plates (663) can guide the air outlet direction. The adjustment component (662) is installed on the side wall of the frame (661), and the adjustment component (662) can simultaneously drive at least two of the guide plates (663) to rotate, so as to adjust the air outlet direction of the air outlet mechanism (66).

10. The child safety seat for automobiles as described in claim 9, characterized in that: The adjustment assembly (662) includes a knob (6621), a drive pulley (6622), a transmission belt (6623), and at least one driven pulley (6624). Each of the guide plates (663) is equipped with a fixed shaft (664) on both sides, the fixed shaft (664) being rotatably connected to the frame (661), and the fixed shaft (664) on the same side of at least two of the guide plates (663) extending out of the side wall of the frame (661). One of the fixed shafts (664) is fitted with the driving wheel (6622), and the other fixed shafts (664) are fitted with the driven wheel (6624). The transmission belt (6623) is fitted on the driving wheel (6622) and at least one of the driven wheels (6624). The knob (6621) is fixedly installed on the end of the fixed shaft (664) on which the drive wheel (6622) is sleeved, away from the guide plate (663). The knob (6621), the drive wheel (6622) and the fixed shaft (664) are coaxially arranged. Turning the knob (6621) can drive the fixed shaft (664), the drive wheel (6622), and the guide plate (663) to rotate around the axis of the fixed shaft (664), so that the other guide plates (663) can rotate synchronously around their corresponding fixed shaft (664) through the drive belt (6623), at least one driven wheel (6624), and the other fixed shafts (664), thereby adjusting the air outlet direction of the air outlet mechanism (66).

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