Child safety seat base, child safety seat and vehicle

Abstract

The embodiment of the utility model provides a child safety seat base, a child safety seat and a vehicle, and relates to the technical field of child products. The child safety seat base comprises a base body, an ISOFIX device and a lighting device, the ISOFIX device is movably connected with the base body, and the ISOFIX device is used for connecting the base body with an automobile seat; the lighting device is movably arranged on the base body and can rotate relative to the base body so as to adjust the lighting angle. By arranging the ISOFIX device, the base body can be quickly and simply fixed to the automobile, and the installation process of the base body and the automobile seat is simplified. By arranging the lighting device, light can be supplemented when the space in the vehicle is insufficient in light, and the problem that installation is inconvenient due to insufficient lighting is solved. In addition, the angle of the lighting device can be adjusted, the angle of the lighting device can be conveniently selected according to the requirements of a user, and the lighting requirements of different angles during installation are met.

Description

Technical Field

[0001] The utility model relates to the technical field of children's products, and in particular, to a base of a children's safety seat, a children's safety seat and a vehicle. Background Art

[0002] A children's safety seat is a seat designed for children of different weights (or age groups), installed in a car, and can effectively improve the safety of children when riding. In the case of a car collision or sudden deceleration, it can reduce the impact force on children and limit the body movement of children, thereby reducing the harm to them.

[0003] However, for most current children's safety seats, when installing the children's safety seat, due to the limitation of the installation position, it often occurs that the installation position cannot be clearly seen, or the light in the vehicle may be insufficient. As a result, when docking the ISOFIX interface with the anchor point of the car seat during seat installation, it cannot be quickly docked due to insufficient light, affecting the installation time, accuracy and stability of the installation. Summary of the Utility Model

[0004] The utility model provides a base of a children's safety seat, a children's safety seat and a vehicle, which can supplement light when the light in the vehicle is insufficient, and adjust the angle of the lighting device according to the needs of users to meet the lighting requirements at different angles during installation, save the installation time, and ensure the accuracy and stability of the installation.

[0005] The embodiments of the utility model can be implemented as follows:

[0006] The embodiments of the utility model provide a base of a children's safety seat, which includes:

[0007] A base body;

[0008] An ISOFIX device, which is movably connected to the base body and is used to connect the base body to a car seat;

[0009] A lighting device, which is movably arranged on the base body and can rotate relative to the base body to adjust the lighting angle.

[0010] In an optional embodiment, the lighting device includes a fixed seat, a connecting seat, a lamp holder and a lighting module. The fixed seat is fixedly connected to the base body, the connecting seat is connected to the lamp holder, one side of the connecting seat away from the lamp holder is rotatably connected to the fixed seat, and the lighting module is connected to the lamp holder.

[0011] In an alternative embodiment, the fixed seat is provided with a plurality of gear slots which are spaced apart. The connecting seat is provided with a engaging member. When the connecting seat rotates relative to the fixed seat, the engaging member engages with one of the plurality of gear slots.

[0012] In an alternative embodiment, the fixed seat includes a plurality of convex teeth facing the connecting seat, and a gear slot is provided between two adjacent convex teeth.

[0013] In an alternative embodiment, the fixed seat and the connecting seat are connected in a manner of infinitely variable angle adjustment.

[0014] In an alternative embodiment, the lighting device further includes a trigger switch which is disposed on the lamp holder and electrically connected to the lighting module.

[0015] In an alternative embodiment, when the ISOFIX device extends relative to the base body, the ISOFIX device contacts the trigger switch and the lighting module is in an illuminated state;

[0016] When the ISOFIX device retracts relative to the base body, the ISOFIX device disengages from the trigger switch and the lighting module is in a closed state.

[0017] In an alternative embodiment, the ISOFIX device includes an ISOFIX device body and a slide rail. The ISOFIX device body is connected to the slide rail; a chute is provided on the base body, and the slide rail cooperates with the chute and can move along the chute;

[0018] A trigger block is provided on the slide rail. When the ISOFIX device extends relative to the base body, the trigger block contacts the trigger switch and the lighting module is in an illuminated state;

[0019] When the ISOFIX device retracts relative to the base body, the trigger block disengages from the trigger switch and the lighting module is in a closed state.

[0020] In an alternative embodiment, the ISOFIX device further includes a release button which is connected to the slide rail and is used to drive the slide rail to move relative to the chute.

[0021] An embodiment of the present invention further provides a child safety seat, which includes a backrest and the child safety seat base in any of the above embodiments, and the backrest is connected to the base body.

[0022] An embodiment of the present utility model further provides a vehicle, including an automotive seat and the child safety seat described in the above-mentioned embodiment, and the automotive seat is connected to the base body through an ISOFIX device.

[0023] The beneficial effects of the child safety seat base, the child safety seat and the vehicle according to the embodiment of the present utility model include:

[0024] The child safety seat base includes a base body, an ISOFIX device and a lighting device. The ISOFIX device is movably connected to the base body and is used to connect the base body to the automotive seat; by providing the ISOFIX device, the base body can be quickly and simply fixed to the vehicle, simplifying the installation process of the base body and the automotive seat, and the connection is firm, ensuring the stability and safety of the child safety seat. The lighting device is movably arranged on the base body and can rotate relative to the base body to adjust the lighting angle. By providing the lighting device, it can meet the need for supplementary lighting when the lighting in the vehicle space is insufficient, so as to solve the problem of inconvenient installation caused by insufficient lighting. In addition, the lighting device can rotate relative to the base body for angle adjustment, which is convenient to select the lighting device angle according to the user's needs to meet the lighting requirements at different angles during installation. Description of the Drawings

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0026] Figure 1 It is an exploded view of the child safety seat base provided in the embodiment of the present utility model;

[0027] Figure 2 It is an exploded view of the lighting device provided in the embodiment of the present utility model;

[0028] Figure 3 It is a schematic diagram of the first perspective of the retracted state of the ISOFIX device provided in the embodiment of the present utility model;

[0029] Figure 4 It is a schematic diagram of the second perspective of the retracted state of the ISOFIX device provided in the embodiment of the present utility model;

[0030] Figure 5 It is a cross-sectional schematic diagram of the second perspective of the retracted state of the ISOFIX device provided in the embodiment of the present utility model;

[0031] Figure 6 Schematic diagram of the first perspective of the ISOFIX device in the extended state provided in the embodiment of the present utility model;

[0032] Figure 7 Schematic diagram of the second perspective of the ISOFIX device in the extended state provided in the embodiment of the present utility model;

[0033] Figure 8 Cross-sectional schematic diagram of the second perspective of the ISOFIX device in the extended state provided in the embodiment of the present utility model.

[0034] Icon: 1000 - Child safety seat base; 100 - Base body; 110 - Slide groove; 200 - ISOFIX device; 210 - ISOFIX device body; 220 - Slide rail; 221 - Trigger block; 230 - Release lock button; 300 - Lighting device; 310 - Fixed seat; 311 - Gear slot; 312 - Convex tooth; 320 - Connecting seat; 321 - Engaging part; 330 - Lamp holder; 340 - Lighting module; 350 - Trigger switch; 360 - Lighting lamp cover. Detailed implementation manners

[0035] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. Generally, the components of the embodiments of the present utility model described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0036] Therefore, the detailed description of the embodiments of the present utility model provided in the accompanying drawings below is not intended to limit the scope of the present utility model claimed, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0037] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0038] In the description of the present utility model, it should be noted that if terms such as "upper", "lower", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present utility model is usually placed during use. This is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0039] In addition, if terms such as "first", "second", etc. are only used for distinguishing descriptions, they cannot be understood as indicating or implying relative importance.

[0040] It should be noted that, without conflict, the features in the embodiments of the present utility model can be combined with each other.

[0041] A child safety seat is a seat designed for children of different weights (or age groups), installed in a car, and can effectively improve the safety of children when riding in the car. In the case of a car collision or sudden deceleration, it can reduce the impact force on children and limit the movement of children's bodies, thereby reducing the harm to them. However, for most current child safety seats, when installing a child safety seat, due to the limitation of the installation position, it often occurs that the installation position cannot be clearly seen, or the light in the car may be insufficient. As a result, when docking the ISOFIX interface with the anchor point of the car seat during seat installation, it cannot be quickly docked due to insufficient light, affecting the installation time, accuracy, and stability of the installation.

[0042] Based on this, please refer to Figure 1 , the child safety seat base 1000 provided in the embodiments of the present utility model can effectively improve the above-mentioned technical problems. The child safety seat base 1000 can supplement light when the light in the car is insufficient, and adjust the angle of the lighting device 300 according to the user's needs to meet the lighting requirements at different angles during installation, saving installation time and ensuring the accuracy and stability of the installation. The child safety seat base 1000 is applied to a child safety seat. The child safety seat and the vehicle having the child safety seat base 1000 both have the above-mentioned same functions, which will not be elaborated here.

[0043] The vehicle (not shown in the figure) in this embodiment includes a vehicle seat and a child safety seat. The vehicle seat is connected to the base body 100 through the ISOFIX device 200. Specifically, a plurality of ISOFIX interfaces are provided on the ISOFIX device 200, and installation interfaces corresponding to the ISOFIX interfaces one by one are provided on the vehicle seat. By inserting the ISOFIX interfaces and the installation interfaces corresponding to each other one by one, the child safety seat can be installed on the vehicle seat. Of course, the vehicle may also include other structures to realize various other functions of the vehicle, which are not limited herein.

[0044] Specifically, the child safety seat in this embodiment includes a backrest and a child safety seat base 1000. The backrest is connected to the base body 100. The backrest can be fixedly connected to the base body 100, or can be rotatably connected or movably connected to the base body 100, which is determined according to specific practical needs and is not limited herein. Of course, the child safety seat may also include other structures, such as a headrest and other structures, to realize various other functions of the child safety seat, which are not limited herein.

[0045] The child safety seat base 1000 will be described in detail below.

[0046] Figure 1 It is an exploded view of the child safety seat base 1000 provided in the embodiment of the present utility model. As Figure 1 shown, the child safety seat base 1000 in this embodiment includes a base body 100, an ISOFIX device 200, and a lighting device 300. The ISOFIX device 200 is movably connected to the base body 100, and the ISOFIX device 200 is used to connect the base body 100 to the vehicle seat; the lighting device 300 is movably arranged on the base body 100, and the lighting device 300 can rotate relative to the base body 100 to adjust the lighting angle. Specifically, the ISOFIX device 200 can extend or retract relative to the base body 100, that is, when the ISOFIX device 200 is installed on the vehicle seat, some structures extend out of the base body 100 to be assembled with the vehicle seat. When installation is not required, the ISOFIX device 200 is completely hidden inside the base body 100. The base body 100 is provided with a first installation hole, and the lighting device 300 is installed in the first installation hole of the base body 100, and the lighting device 300 can rotate 360° relative to the base body 100 to achieve lighting at different angles.

[0047] By setting the ISOFIX device 200, the base body 100 can be quickly and simply fixed to the vehicle, simplifying the installation process of the base body 100 and the vehicle seat, and the connection is firm, ensuring the stability and safety of the child safety seat. By setting the lighting device 300, it can meet the need for supplementary lighting when the lighting in the vehicle space is insufficient, so as to solve the problem of inconvenient installation caused by insufficient lighting. In addition, the lighting device 300 can rotate relative to the base body 100 for angle adjustment, which is convenient to select the angle of the lighting device 300 according to the user's needs to meet the lighting requirements at different angles during installation.

[0048] Regarding the above-mentioned "the lighting device 300 can rotate relative to the base body 100 to adjust the lighting angle", specifically, please refer to Figure 2 , Figure 2 which is the explosion schematic diagram of the lighting device 300 provided in the embodiment of the present utility model. The lighting device 300 in this embodiment includes a fixed seat 310, a connection seat 320, a lamp seat 330 and a lighting module 340. The fixed seat 310 is fixedly connected to the base body 100. The connection seat 320 is connected to the lamp seat 330. One side of the connection seat 320 away from the lamp seat 330 is rotatably connected to the fixed seat 310, and the lighting module 340 is connected to the lamp seat 330. Specifically, the connection seat 320 is rotatably connected to the fixed seat 310 through a rotating shaft, and the connection seat 320 can rotate around the rotating shaft. The lighting module 340 is arranged at one end of the lamp seat 330 along the radial direction of the rotating shaft. When the connection seat 320 rotates around the rotating shaft, it drives the lamp seat 330 and the lighting module 340 to rotate together around the rotating shaft. The lighting module 340 can be an LED lamp. Of course, the lighting module 340 can also be other light-emitting structures as long as it can emit light for illumination. The specific structure used is not limited herein.

[0049] The lamp seat 330 in this embodiment is a hollow cuboid shape, and the lighting module 340 is arranged in the lamp seat 330 along the rotating shaft. One end of the lamp seat 330 along the radial direction of the rotating shaft is provided with a light-transmitting hole, and the light of the lighting module 340 is transmitted through the light-transmitting hole for illumination. In order to protect the lighting module 340 and to expand the light source, the lighting device 300 in this embodiment further includes a lighting lamp cover 360. The lighting lamp cover 360 is arranged at the position of the light-transmitting hole and is connected to the lamp seat 330, wrapping the lighting module 340. The lighting lamp cover 360 can be fixedly connected to the lamp seat 330, or the lighting lamp cover 360 can be detachably connected to the lamp seat 330, such as plug connection, snap connection, threaded fastener connection, etc., which is not limited herein. The lighting lamp cover 360 and the lamp seat 330 are connected in a detachable connection manner, which is convenient for maintenance or replacement when the lighting module 340 has problems.

[0050] In order to keep the angle unchanged during the installation process after the lighting module 340 rotates to a specified angle, please refer to Figure 2, in this embodiment, the fixed seat 310 is provided with a plurality of gear slots 311 which are arranged at intervals. The connecting seat 320 is provided with a engaging member 321. When the connecting seat 320 rotates relative to the fixed seat 310, the engaging member 321 engages with one of the plurality of gear slots 311. The connecting seat 320 rotates relative to the fixed seat 310, thereby driving the lighting module 340 to rotate. When the lighting module 340 rotates to the supplementary lighting angle required for installation, the engaging member 321 engages with one of the gear slots 311. At this time, the connecting seat 320 is clamped with the fixed seat 310. When the external force is removed, the connecting seat 320 will not rotate relative to the fixed seat 310, that is, the position of the lighting module 340 is fixed, and continuous supplementary lighting can be performed at this angle during the installation process to meet the lighting requirements during installation. Of course, the number of the engaging members 321 can be one or more, which is determined according to the actual situation and is not limited herein.

[0051] Specifically, please continue to refer to Figure 2 , in order to ensure that the lighting requirements for installation at multiple angles can be met as much as possible, the fixed seat 310 in this embodiment includes a plurality of convex teeth 312 facing the connecting seat 320, and a gear slot 311 is arranged between adjacent two convex teeth 312. Of course, the number of the engaging members 321 provided on the corresponding connecting seat 320 can also be multiple, and the multiple engaging members 321 also form a tooth-like structure to increase the stability of the engagement.

[0052] Furthermore, the fixed seat 310 and the connecting seat 320 in this embodiment can also be connected in a manner of stepless angle adjustment. Specifically, the fixed seat 310 includes a fixed seat 310 body and a connecting portion. The connecting portion is cylindrical, and an external gear is provided on a part of the connecting portion, and a spring is sleeved on the connecting portion. The lighting device 300 further includes a bushing, and the connecting seat 320 is connected to the fixed seat 310 through the bushing; an internal gear is provided on the inner ring of the bushing, and the internal gear and the external gear can be engaged. When an external force is applied to compress the spring, the internal gear and the external gear are engaged, and at this time, the connecting seat 320 can rotate relative to the fixed seat 310; when the external force is removed and the spring returns to normal, the internal gear and the external gear are disengaged, and at this time, the connecting seat 320 is locked with the fixed seat 310, that is, it cannot rotate relative to each other.

[0053] In addition, the fixed seat 310 and the connecting seat 320 can also adopt other structures to achieve stepless angle adjustment, which is not limited here. For example, the fixed seat 310 includes a fixed seat 310 body and a connecting part, and an external gear and an abutting part are arranged on the connecting part. The cross-section of the connecting seat 320 is trapezoidal, and the small end face of the connecting seat 320 is close to the fixed seat 310; the connecting seat 320 and the fixed seat 310 are connected by a spring. When an external force is applied to make the connecting seat 320 squeeze the spring and approach the fixed seat 310, the abutting part abuts against the connecting seat 320. At this time, the connecting seat 320 and the fixed seat 310 are locked, that is, they cannot rotate relative to each other; when the external force is removed and the spring returns to normal, the abutting part disconnects from the connecting seat 320. At this time, the connecting seat 320 and the fixed seat 310 are not locked and can rotate relative to each other arbitrarily.

[0054] Please refer to Figure 2 and in combination with Figure 1 In order to facilitate the control of the opening and closing of the lighting module 340, the lighting device 300 further includes a trigger switch 350. The trigger switch 350 is arranged on the lamp holder 330 and is electrically connected to the lighting module 340. The lighting module 340 can be turned on by touching the trigger switch 350, that is, the lighting module 340 is in the lighting state; when the trigger switch 350 is not touched, the lighting module 340 is in the off state. Of course, the lighting device 300 can also be provided with switches of other modes, such as a rotary switch, a voice-activated switch, a Bluetooth switch, etc. The operator can control the on or off of the lighting module 340 by directly turning the switch, or can also perform switch control through a mobile phone terminal, a vehicle-mounted terminal, etc., so as to better serve the operator and meet the operator's needs, and improve the satisfaction of the operator's use.

[0055] Figure 3 It is a schematic diagram of the first perspective of the retracted state of the ISOFIX device 200 provided in the embodiment of the present invention; Figure 4 It is a schematic diagram of the second perspective of the retracted state of the ISOFIX device 200 provided in the embodiment of the present invention; Figure 5 It is a cross-sectional schematic diagram of the second perspective of the retracted state of the ISOFIX device 200 provided in the embodiment of the present invention; Figure 6 It is a schematic diagram of the first perspective of the extended state of the ISOFIX device 200 provided in the embodiment of the present invention; Figure 7 It is a schematic diagram of the second perspective of the extended state of the ISOFIX device 200 provided in the embodiment of the present invention; Figure 8 It is a cross-sectional schematic diagram of the second perspective of the extended state of the ISOFIX device 200 provided in the embodiment of the present invention.

[0056] Please refer to Figures 3 - 8, in order to improve the convenience of using the lighting device 300 when it is installed on the child safety seat base 1000, in this embodiment, when the ISOFIX device 200 extends relative to the base body 100, the ISOFIX device 200 contacts the trigger switch 350, and the lighting module 340 is in the lighting state; when the ISOFIX device 200 retracts relative to the base body 100, the ISOFIX device 200 disengages from the trigger switch 350, and the lighting module 340 is in the off state. Specifically, in this embodiment, the ISOFIX device 200 includes an ISOFIX device body 210 and a slide rail 220, and the ISOFIX device body 210 is connected to the slide rail 220; a chute 110 is provided on the base body 100, and the slide rail 220 cooperates with the chute 110, and the slide rail 220 can move along the chute 110. A trigger block 221 is provided on the slide rail 220. When the ISOFIX device 200 extends relative to the base body 100, the trigger block 221 contacts the trigger switch 350, and the lighting module 340 is in the lighting state; when the ISOFIX device 200 retracts relative to the base body 100, the trigger block 221 disengages from the trigger switch 350, and the lighting module 340 is in the off state.

[0057] To ensure the stability of the connection between the child safety seat base 1000 and the vehicle seat, please refer to Figure 3 and Figure 6 , in this embodiment, the number of the slide rails 220 is two. Of course, the number of the slide rails 220 can also be one, three, four or other multiple numbers, which is determined according to the actual installation situation and is not limited herein. In addition, in addition to using the slide rail 220 and the chute 110 for the movable connection between the base body 100 and the ISOFIX device 200, other linear motion mechanisms can also be used for the movable connection, which is not limited herein.

[0058] In addition, in addition to using the trigger block 221 to contact or disconnect from the trigger switch 350 to realize the lighting or closing of the lighting device 300, a receiver of a photoelectric switch can also be provided on the lighting device 300, and a transmitter of the photoelectric switch can be provided on the slide rail 220. When the slide rail 220 moves to a position where the transmitter of the photoelectric switch is parallel to the receiver of the photoelectric switch, the lighting module 340 is turned on for lighting, and at other times, the lighting module 340 does not perform lighting. Of course, the receiver and transmitter of the photoelectric switch can also be replaced with other structures such as a magnet and a magnetic sensor switch, which is not limited herein.

[0059] To facilitate the operator to move the slide rail 220, please refer to Figure 7 and in combination with Figure 4, the ISOFIX device 200 in this embodiment further includes a release button 230. The release button 230 is connected to the slide rail 220, and the release button 230 is used to drive the slide rail 220 to move relative to the chute 110. Specifically, one or more mounting posts are provided on the slide rail 220, and one or more second mounting holes are correspondingly formed on the release button 230. The mounting posts are inserted into the second mounting holes to realize the connection between the release button 230 and the slide rail 220. Of course, the release button 230 can also be connected to the slide rail 220 by means of threaded fasteners such as bolts, etc., which is not limited herein. The release button 230 in this embodiment is waist-shaped. Of course, the release button 230 can also be designed as circular, square or other irregular shapes, etc., which is not limited herein.

[0060] In summary, the child safety seat base 1000 includes a base body 100, an ISOFIX device 200 and a lighting device 300. The ISOFIX device 200 is movably connected to the base body 100, and the ISOFIX device 200 is used to connect the base body 100 to the vehicle seat; the lighting device 300 is movably arranged on the base body 100, and the lighting device 300 can rotate relative to the base body 100 to adjust the lighting angle. By providing the ISOFIX device 200, the base body 100 can be quickly and simply fixed to the vehicle, simplifying the installation process of the base body 100 and the vehicle seat, and the connection is stable, ensuring the stability and safety of the child safety seat. By providing the lighting device 300, it can meet the need for supplementary lighting when the lighting in the vehicle space is insufficient, so as to solve the problem of inconvenient installation caused by insufficient lighting. In addition, the lighting device 300 can rotate relative to the base body 100 for angle adjustment, which is convenient to select the angle of the lighting device 300 according to the user's needs to meet the lighting requirements at different angles during installation.

[0061] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention should be covered within the protection scope of the present invention.

Claims

1. A child safety seat base, characterized in that, Comprising: Base body (100); ISOFIX device (200), the ISOFIX device (200) is movably connected to the base body (100), and the ISOFIX device (200) is used to connect the base body (100) to an automotive seat; Lighting device (300), the lighting device (300) is movably arranged on the base body (100), and the lighting device (300) can rotate relative to the base body (100) to adjust the lighting angle.

2. The child safety seat base according to claim 1, characterized in that, The lighting device (300) includes a fixed seat (310), a connecting seat (320), a lamp holder (330) and a lighting module (340). The fixed seat (310) is fixedly connected to the base body (100). The connecting seat (320) is connected to the lamp holder (330). One side of the connecting seat (320) away from the lamp holder (330) is rotatably connected to the fixed seat (310). The lighting module (340) is connected to the lamp holder (330).

3. The child safety seat base according to claim 2, wherein, The fixed seat (310) is provided with a plurality of gear slots (311), and the plurality of gear slots (311) are arranged at intervals. The connecting seat (320) is provided with a engaging member (321). When the connecting seat (320) rotates relative to the fixed seat (310), the engaging member (321) engages with one of the plurality of gear slots (311).

4. The child safety seat base according to claim 3, characterized in that, The fixed seat (310) includes a plurality of convex teeth (312) facing the connecting seat (320), and the gear slot (311) is arranged between adjacent two convex teeth (312).

5. The child safety seat base according to claim 2, wherein, The fixed seat (310) and the connecting seat (320) are connected in a manner of stepless angle adjustment.

6. The child safety seat base according to claim 2, wherein The lighting device (300) further includes a trigger switch (350). The trigger switch (350) is arranged on the lamp holder (330), and the trigger switch (350) is electrically connected to the lighting module (340).

7. The child safety seat base according to claim 6, wherein, In a state where the ISOFIX device (200) extends relative to the base body (100), the ISOFIX device (200) contacts the trigger switch (350), and the lighting module (340) is in a lighting state; In a state where the ISOFIX device (200) retracts relative to the base body (100), the ISOFIX device (200) disengages from the trigger switch (350), and the lighting module (340) is in a closed state.

8. The child safety seat base according to claim 7, wherein The ISOFIX device (200) includes an ISOFIX device body (210) and a slide rail (220). The ISOFIX device body (210) is connected to the slide rail (220). A chute (110) is provided on the base body (100). The slide rail (220) cooperates with the chute (110), and the slide rail (220) can move along the chute (110); A trigger block (221) is provided on the slide rail (220). When the ISOFIX device (200) extends relative to the base body (100), the trigger block (221) contacts the trigger switch (350), and the lighting module (340) is in the lighting state. When the ISOFIX device (200) retracts relative to the base body (100), the trigger block (221) disengages from the trigger switch (350), and the lighting module (340) is in the off state.

9. The child safety seat base according to claim 8, characterized in that, The ISOFIX device (200) further includes a release button (230). The release button (230) is connected to the slide rail (220), and the release button (230) is used to drive the slide rail (220) to move relative to the chute (110).

10. A child safety seat, characterized in that, It includes a chair back and the child safety seat base (1000) according to any one of claims 1-9, and the chair back is connected to the base body (100).

11. A vehicle, characterized in that, It includes an automobile seat and the child safety seat according to claim 10, and the automobile seat is connected to the base body (100) through the ISOFIX device (200).

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