WO2023197524A1

WO2023197524A1 - Angle adjustment device for child safety seat, and child safety seat

Info

Publication number: WO2023197524A1
Application number: PCT/CN2022/119410
Authority: WO
Inventors: 林艳; 崔东辉
Original assignee: 宁波环球娃娃婴童用品股份有限公司
Priority date: 2022-04-15
Filing date: 2022-09-16
Publication date: 2023-10-19
Also published as: CN216994002U

Abstract

An angle adjustment device for a child safety seat, and a child safety seat. The angle adjustment device for a child safety seat comprises: a base (200), the base (200) comprising a sliding assembly (210), and the sliding assembly (210) comprising a sliding block (211); and a seat body (100), a motor assembly (110) being provided on the side of the bottom of the seat body (100) close to the base (200), and the motor assembly (110) comprising a screw rod (111), wherein the screw rod (111) and the sliding block (211) are cooperatively connected, and the motor assembly (110) can drive the screw rod (111) to rotate, such that the screw rod (111) slides back and forth relative to the sliding block (211).

Description

A child safety seat angle adjustment device and child safety seat

Technical field

The utility model relates to the technical field of child safety seats, specifically to a child safety seat angle adjustment device and a child safety seat.

Background technique

General car seats and seat belts are specially designed for adults. When children ride in them, the position is too low and the seat belts are too loose. They are not suitable for children's body shapes and are neither safe nor comfortable. Child safety seats are specially designed for children, taking into account car impact experiments and medical research on child injuries, material mechanics, ergonomics, child psychology and other factors to achieve optimal performance.

For children of different heights, child safety seats in the prior art have an angle adjustment function for adjusting the inclination angle of the child safety seat. When the child is small, it is more comfortable and safer for the child to lie down in the safety seat. At this time, the inclination angle of the safety seat needs to be adjusted to the lying angle; when the child is larger, it is more comfortable for the child to sit in a sitting position. This is It is necessary to adjust the inclination angle of the safety seat to the sitting angle. However, the angle adjustment of existing child safety seats is mostly done manually, which is time-consuming, laborious, and inconvenient to adjust.

Therefore, one of the shortcomings in the related art is that the technical solution in the related art cannot automatically adjust the inclination angle of the child safety seat.

Utility model content

The problem solved by the utility model is that the technical solutions in the related art cannot automatically adjust the inclination angle of the child safety seat.

In order to solve the above problems, the first object of the present invention is to provide an angle adjustment device for a child safety seat.

The second object of the present invention is to provide a child safety seat.

In order to achieve the first object of the present utility model, an embodiment of the present utility model provides a child safety seat angle adjustment device. The adjustment device includes: a base, the base includes a sliding assembly, the sliding assembly includes a sliding block; a seat body, a seat The bottom of the chair body is provided with a motor assembly on one side close to the base. The motor assembly includes a screw rod; the screw rod and the sliding block are cooperatively connected, and the motor assembly can drive the screw rod to rotate so that the screw rod slides back and forth relative to the sliding block.

The effect that this embodiment can achieve is: the child safety seat angle adjustment device mainly includes a sliding component and a motor component. The tilting of the child safety seat can be achieved through the cooperative connection between the sliding block in the sliding component and the screw rod in the motor component. The angle is automatically adjusted, avoiding the time-consuming and laborious manual adjustment of child safety seats.

In one embodiment of the present invention, the motor assembly includes: a motor, which is used to provide power to the screw rod; a gearbox, which is connected to the motor and the screw rod, and the gearbox is used to transmit the power provided by the motor to the screw rod. .

The effect that this embodiment can achieve is: the motor is used to provide power to the screw rod, and the gearbox can convert the rotation speed of the motor into an appropriate rotation speed and transmit it to the screw rod, thereby realizing automatic adjustment of the inclination angle of the child safety seat.

In one embodiment of the present invention, the motor includes a first state and a second state. When the motor is in the first state, the sliding block moves away from the gearbox on the screw rod; when the motor is in the second state, the sliding block moves on the screw rod. on the lever near the gearbox.

The effect that this embodiment can achieve is that the setting of the first state and the second state can facilitate the child safety seat to switch between different states, thereby improving the comfort of children.

In one embodiment of the present invention, the adjustment device includes a first button and a second button. The first button can control the motor to switch to the first state; the second button can control the motor to switch to the second state.

The effect achieved by this embodiment is: the setting of the first button and the second button can improve the convenience of using the child safety seat and simplify the use process of the child safety seat angle adjustment device.

In one embodiment of the present invention, the base includes a rotating steel frame, and the sliding assembly and the rotating steel frame are connected by threads.

The effect achieved by this embodiment is that the threaded connection method is simple and reliable, and is easy to assemble and disassemble. A threaded connection is used between the sliding component and the rotating steel frame, which can firmly connect the sliding component and the rotating steel frame. When the motor component slides back and forth relative to the sliding component, the sliding component cannot move. At this time, it becomes the seat body. Sliding forward and backward realizes automatic adjustment of the inclination angle of the child safety seat, and also increases the overall stability of the child safety seat angle adjustment device.

In one embodiment of the present invention, the seat body includes: a front sliding guide shaft, which is located at the bottom of the seat body on one side close to the base; and a rear sliding guide shaft, which is located on the seat. The back of the main body is close to the side of the base; the rotating steel frame includes: a front sliding guide groove, which is located on the side of the rotating steel frame close to the bottom of the seat body; a rear sliding guide groove, which is located on The side of the rotating steel frame close to the back of the seat body; among them, the front sliding guide shaft and the rear sliding guide shaft are used to connect the seat body and the rotating steel frame. The front sliding guide shaft slides in the front sliding guide groove, and the rear sliding guide shaft slides in the front sliding guide groove. The sliding guide shaft slides in the rear sliding guide groove.

The effect that this embodiment can achieve is: the front sliding guide shaft slides in the front sliding guide groove, and the rear sliding guide shaft slides in the rear sliding guide groove. This arrangement can effectively improve the stability of the child safety seat angle adjustment device. , the front sliding guide groove and the rear sliding guide groove can limit the position of the seat body sliding forward and backward relative to the base, and avoid safety issues for children caused by excessive sliding range of the seat body relative to the base.

In one embodiment of the present invention, the front sliding guide shaft includes a first front sliding guide shaft and a second front sliding guide shaft. A sliding assembly and a motor are arranged between the first front sliding guide shaft and the second front sliding guide shaft. components.

The effect that this embodiment can achieve is that the front sliding guide shaft is divided into two sections, which can effectively save the space occupied by the child safety seat angle adjustment device. At the same time, the first front sliding guide shaft and the second front sliding guide shaft can also save space. It can complete its function and not only support the seat body, but also ensure the stability and safety of the overall structure of the child safety seat angle adjustment device.

In one embodiment of the present invention, the rear sliding guide shaft is provided with a first area and a second area, and the first area and the second area are areas where the rear sliding guide shaft and the rear sliding guide groove cooperate and slide; wherein, the first area and the second area are areas where the rear sliding guide shaft and the rear sliding guide groove cooperate and slide; The diameters of the first area and the second area are smaller than the width of the rear sliding guide groove, and the diameters of other areas on the rear sliding guide shaft except the first area and the second area are larger than the width of the rear sliding guide groove.

The effect that this embodiment can achieve is that the first area and the second area can effectively restrict the rear sliding guide shaft from slipping from the rear sliding guide groove, thereby improving the stability of the child safety seat angle adjustment device.

In one embodiment of the present invention, the first front sliding guide shaft and the second front sliding guide shaft are both threadedly connected to the rotating steel frame.

The effect that this embodiment can achieve is: the first front sliding guide shaft and the second front sliding guide shaft are both threadedly connected to the rotating steel frame, which can effectively improve the performance of the first front sliding guide shaft and the second front sliding guide shaft. The connection with the rotating steel frame is stable and the threaded connection is simple and reliable, making it easy to install and disassemble.

In order to achieve the second object of the present invention, the present utility model provides a child safety seat. The child safety seat includes: a child safety seat body; a child safety seat angle adjustment device as in any of the above embodiments, The child safety seat angle adjustment device is connected to the child safety seat body.

The child safety seat in this embodiment includes a child safety seat body and a bed toilet as in any embodiment of the present invention, and the child safety seat angle adjustment device is provided on the child safety seat body, so it has the following features: All beneficial effects of the child safety seat angle adjustment device according to any embodiment of the present invention will not be described in detail here.

Description of the drawings

Figure 1 is one of the three-dimensional structural schematic diagrams of the child safety seat angle adjustment device according to an embodiment of the present utility model;

Figure 2 is the second schematic three-dimensional structural diagram of the child safety seat angle adjustment device according to the embodiment of the present invention;

Figure 3 is the third schematic diagram of the three-dimensional structure of the child safety seat angle adjustment device according to the embodiment of the present invention;

Figure 4 is the fourth schematic diagram of the three-dimensional structure of the child safety seat angle adjustment device according to the embodiment of the present invention;

Figure 5 is the fifth schematic three-dimensional structural diagram of the child safety seat angle adjustment device according to the embodiment of the present invention.

Explanation of reference symbols:

100-seat body; 110-motor assembly; 111-screw; 112-motor; 113-gearbox; 120-front sliding guide shaft; 121-first front sliding guide shaft; 122-second front sliding guide shaft 130 -Rear sliding guide shaft; 131-first area; 132-second area; 200-base; 201-rotating steel frame; 210-sliding assembly; 211-sliding block; 220-front sliding guide groove; 230-rear sliding guide groove.

Detailed ways

In order to make the above objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

【First Embodiment】

Referring to Figures 1 and 2, the utility model provides a child safety seat angle adjustment device. The adjustment device includes: a base 200, the base 200 includes a sliding assembly 210, and the sliding assembly 210 includes a sliding block 211; the seat body 100, the seat The bottom of the body 100 is provided with a motor assembly 110 on one side close to the base 200. The motor assembly 110 includes a screw rod 111. The screw rod 111 and the sliding block 211 are cooperatively connected. The motor assembly 110 can drive the screw rod 111 to rotate, so that the screw rod 111 Slide back and forth relative to the sliding block 211 .

In this embodiment, the child safety seat angle adjustment device includes a sliding component 210 and a motor component 110. The sliding component 210 is provided on the base 200, and the motor component 110 is provided on the seat body 100. The sliding assembly 210 includes a sliding block 211, and the motor assembly 110 includes a screw rod 111. The screw rod 111 and the sliding block 211 are cooperatively connected. The internal threads of the sliding block 211 cooperate with the external threads of the screw rod 111. When the motor assembly 110 drives the screw rod 111 to rotate When the sliding block 211 slides back and forth relative to the screw rod 111, it can also be seen as the screw rod 111 sliding back and forth relative to the sliding block 211, that is, the motor assembly 110 slides back and forth relative to the sliding assembly 210, that is, the seat body 100 slides back and forth relative to the base 200. By sliding, the tilt angle of the child seat can be adjusted.

It can be understood that the child safety seat angle adjustment device mainly includes a sliding assembly 210 and a motor assembly 110. Through the cooperative connection between the sliding block 211 in the sliding assembly 210 and the screw rod 111 in the motor assembly 110, the child safety seat can be adjusted. The tilt angle is automatically adjusted, eliminating the time-consuming and laborious process of manually adjusting the child safety seat.

【Second Embodiment】

Referring to Figure 1, in a specific embodiment, the motor assembly 110 includes: a motor 112, which is used to provide power to the screw rod 111; a gearbox 113, which is connected to the motor 112 and the screw rod 111. The gearbox 113 is To transmit the power provided by the motor 112 to the screw rod 111 .

In this embodiment, the motor assembly 110 includes a motor 112 and a gearbox 113 . The motor is started, and the power is transmitted to the screw rod 111 through the gearbox 113. The screw rod rotates, and the sliding block 211 slides back and forth relative to the screw rod 111. Then the motor assembly 110 slides back and forth relative to the sliding assembly 210, that is, the seat body 100 slides back and forth relative to the sliding assembly 210. The base 200 slides back and forth.

It can be understood that the motor 112 is used to provide power to the screw rod 111, and the gearbox 113 can convert the rotation speed of the motor 112 into an appropriate rotation speed and transmit it to the screw rod 111, thereby realizing automatic adjustment of the inclination angle of the child safety seat.

【Third Embodiment】

Referring to Figure 1, in a specific embodiment, the motor 112 includes a first state and a second state. When the motor 112 is in the first state, the sliding block 211 moves away from the gearbox 113 on the screw rod 111; when the motor 112 is in the third state In the second state, the sliding block 211 is close to the gearbox 113 on the screw rod 111.

In this embodiment, the motor 112 includes a first state and a second state. When the motor 112 is in the first state, the screw rod 111 rotates clockwise. At this time, the sliding block 211 moves away from the gearbox 113 on the screw rod 111, and the seat The body 100 is tilted backward relative to the base 200, and the child on the child safety seat is in a lying position; when the motor 112 is in the second state, the screw rod 111 rotates counterclockwise, and the sliding block 211 is close to the speed changer on the screw rod 111. Box 113, the seat body 100 is tilted forward relative to the base 200, and at this time, the child on the child safety seat adopts a sitting position.

It can be understood that the setting of the first state and the second state can facilitate the child safety seat to switch between different states, thereby improving the comfort of children.

【Fourth Embodiment】

Referring to Figure 1, in a specific embodiment, the adjustment device includes a first button and a second button. The first button can control the motor 112 to switch to the first state; the second button can control the motor 112 to switch to the second state.

In this embodiment, the first button can control the motor 112 to switch to the first state, and the second button can control the motor 112 to switch to the second state. It should be noted that the first button and the second button are not marked in the figure, that is, the positions of the first button and the second button are not limited.

It can be understood that the arrangement of the first button and the second button can improve the convenience of using the child safety seat and simplify the use process of the child safety seat angle adjustment device.

[Fifth Embodiment]

Referring to Figure 1, in a specific embodiment, the base 200 includes a rotating steel frame 201, and a threaded connection is used between the sliding assembly 210 and the rotating steel frame 201.

Understandably, the threaded connection method is simple, reliable, and easy to assemble and disassemble. The sliding component 210 and the rotating steel frame 201 are connected by threads to firmly connect the sliding component 210 and the rotating steel frame 201. When the motor component 110 slides back and forth relative to the sliding component 210, the sliding component 210 cannot move. This changes to the front and back sliding of the seat body 100, thus realizing automatic adjustment of the inclination angle of the child safety seat, and at the same time increasing the overall stability of the child safety seat angle adjustment device.

【Sixth Embodiment】

Referring to Figures 1, 4 and 5, in a specific embodiment, the seat body 100 includes: a front sliding guide shaft 120, which is provided at the bottom of the seat body 100 on a side close to the base 200; The rear sliding guide shaft 130 is located on the back side of the seat body 100 close to the base 200; the rotating steel frame 201 includes: a front sliding guide groove 220, which is located on the rotating steel frame 201 The side close to the bottom of the seat body 100; the rear sliding guide groove 230, the rear sliding guide groove 230 is provided on the side of the rotating steel frame 201 close to the back of the seat body 100; wherein, the front sliding guide shaft 120 and the rear sliding guide shaft 120 The guide shaft 130 is used to connect the seat body 100 with the rotating steel frame 201. The front sliding guide shaft 120 slides in the front sliding guide groove 220, and the rear sliding guide shaft 130 slides in the rear sliding guide groove 230.

In this embodiment, the seat body 100 includes a front sliding guide shaft 120 and a rear sliding guide shaft 130. The rotating steel frame 201 includes a front sliding guide groove 220 and a rear sliding guide groove 230. The front sliding guide shaft 120 is in the front sliding guide groove. 220, the rear sliding guide shaft 130 slides in the rear sliding guide groove 230. It should be noted that the front sliding guide shaft 120 and the rear sliding guide shaft 130 are used to connect the seat body 100 and the base 200 so that the seat body 100 can slide forward and backward relative to the base 200. The rotating steel frame 201 is provided with two front sliding guide shafts. Sliding guide groove 220 and two rear sliding guide grooves 230.

It can be understood that the front sliding guide shaft 120 slides in the front sliding guide groove 220, and the rear sliding guide shaft 130 slides in the rear sliding guide groove 230. Such an arrangement can effectively improve the stability of the child safety seat angle adjustment device. The front sliding guide groove 220 and the rear sliding guide groove 230 can limit the position of the seat body 100 sliding forward and backward relative to the base 200, thereby preventing the seat body 100 from sliding too much relative to the base 200, thereby improving the safety of children. question.

[Seventh Embodiment]

Referring to Figures 1, 4 and 5, in a specific embodiment, the front sliding guide shaft 120 includes a first front sliding guide shaft 121 and a second front sliding guide shaft 122. The first front sliding guide shaft 121 and the second front sliding guide shaft 121 The sliding assembly 210 and the motor assembly 110 are disposed between the front sliding guide shaft 122 .

In this embodiment, the front sliding guide shaft 120 includes a first front sliding guide shaft 121 and a second front sliding guide shaft 122. The sliding assembly 210 is cooperatively connected with the motor assembly 110 and is located at the bottom of the seat body 100 close to the base 200. On one side, the sliding assembly 210 and the motor assembly 110 are also located between the first front sliding guide shaft 121 and the second front sliding guide shaft 122 .

Understandably, dividing the front sliding guide shaft 120 into two sections can effectively save the space occupied by the child safety seat angle adjustment device. At the same time, the first front sliding guide shaft 121 and the second front sliding guide shaft 122 can also be completed. Its function not only supports the seat body 100 but also ensures the stability and safety of the overall structure of the child safety seat angle adjustment device.

[Eighth Embodiment]

Referring to Figures 1 and 5, in a specific embodiment, the rear sliding guide shaft 130 is provided with a first area 131 and a second area 132. The first area 131 and the second area 132 are between the rear sliding guide shaft 130 and the rear The sliding guide groove 230 cooperates with the sliding area; wherein, the diameters of the first area 131 and the second area 132 are smaller than the width of the rear sliding guide groove 230 , and other parts of the rear sliding guide shaft 130 except the first area 131 and the second area 132 The diameter of the area is larger than the width of the rear sliding guide groove 230 .

In this embodiment, the rear sliding guide shaft 130 is provided with a first area 131 and a second area 132 . The first area 131 and the second area 132 are areas where the rear sliding guide shaft 130 cooperates with the rear sliding guide groove 230 to slide. The rear sliding guide shaft 130 is a cylindrical cylinder, and its diameter is greater than the width of the sliding area of the rear sliding guide groove 230. The areas where the rear sliding guide shaft 130 cooperates with the rear sliding guide groove 230 to slide are the first area 131 and the second area. The cylindrical diameters of the area 132 and these two parts are smaller than the width of the sliding area of the rear sliding guide groove 230 .

It can be understood that the first area 131 and the second area 132 can effectively limit the rear sliding guide shaft 130 from slipping off the rear sliding guide groove 230, thereby improving the stability of the child safety seat angle adjustment device.

[Ninth Embodiment]

Referring to FIGS. 1 and 4 , in a specific embodiment, the first front sliding guide shaft 121 and the second front sliding guide shaft 122 are both connected to the rotating steel frame 201 using threaded connections.

It can be understood that the first front sliding guide shaft 121 and the second front sliding guide shaft 122 are both threadedly connected to the rotating steel frame 201, which can effectively improve the stability of the first front sliding guide shaft 121 and the second front sliding guide shaft 122. The connection with the rotating steel frame 201 is stable, and the threaded connection method is simple and reliable, and is easy to install and disassemble.

[Tenth Embodiment]

The utility model provides a child safety seat. The child safety seat includes: a child safety seat body; a child safety seat angle adjustment device as in any of the above embodiments; the child safety seat angle adjustment device and the child safety seat Chair body connection.

Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the scope defined by the claims.

Claims

A child safety seat angle adjustment device, characterized in that the adjustment device includes:

Base (200), the base (200) includes a sliding assembly (210), the sliding assembly (210) includes a sliding block (211);

Seat body (100), the bottom of the seat body (100) is provided with a motor assembly (110) on one side close to the base (200), and the motor assembly (110) includes a screw rod (111);

Wherein, the screw rod (111) and the sliding block (211) are cooperatively connected, and the motor assembly (110) can drive the screw rod (111) to rotate, so that the screw rod (111) is relative to the The sliding block (211) slides back and forth.
The adjustment device according to claim 1, characterized in that the motor assembly (110) includes:

Motor (112), the motor is used to provide power to the screw rod (111);

Gearbox (113), the gearbox (113) is connected to the motor (112) and the screw rod (111), and the gearbox (113) is used to transmit the power provided by the motor (112) Give the screw (111).
The adjustment device according to claim 2, characterized in that the motor (112) includes a first state and a second state, and when the motor (112) is in the first state, the sliding block (211 ) on the screw rod (111) away from the gearbox (113); when the motor (112) is in the second state, the sliding block (211) is on the screw rod (111) Close to the gearbox (113).
The adjustment device according to claim 3, characterized in that the adjustment device includes a first button and a second button, and the first button can control the motor (112) to switch to the first state; The second button can control the motor (112) to switch to the second state.
The adjustment device according to claim 1, characterized in that the base (200) includes a rotating steel frame (201), and a threaded connection is used between the sliding component (210) and the rotating steel frame (201).
The adjusting device according to claim 5, characterized in that:

The seat body (100) includes:

A front sliding guide shaft (120), which is located at the bottom of the seat body (100) on one side close to the base (200);

Rear sliding guide shaft (130), the rear sliding guide shaft (130) is located on the side of the back of the seat body (100) close to the base (200);

The rotating steel frame (201) includes:

Front sliding guide groove (220), the front sliding guide groove (220) is provided on the side of the rotating steel frame (201) close to the bottom of the seat body (100);

Rear sliding guide groove (230), the rear sliding guide groove (230) is provided on the side of the rotating steel frame (201) close to the back of the seat body (100);

Among them, the front sliding guide shaft (120) and the rear sliding guide shaft (130) are used to connect the seat body (100) with the rotating steel frame (201). 120) slides in the front sliding guide groove (220), and the rear sliding guide shaft (130) slides in the rear sliding guide groove (230).
The adjustment device according to claim 6, characterized in that the front sliding guide shaft (120) includes a first front sliding guide shaft (121) and a second front sliding guide shaft (122), and the first front sliding guide shaft (122) The sliding assembly (210) and the motor assembly (110) are disposed between the guide shaft (121) and the second front sliding guide shaft (122).
The adjustment device according to claim 6, characterized in that the rear sliding guide shaft (130) is provided with a first area (131) and a second area (132), and the first area (131) and the The second area (132) is the area where the rear sliding guide shaft (130) cooperates with the rear sliding guide groove (230) to slide;

Wherein, the diameters of the first area (131) and the second area (132) are smaller than the width of the rear sliding guide groove (230), and the rear sliding guide shaft (130) except the first area (131) and other areas other than the second area (132) have diameters greater than the width of the rear sliding guide groove (230).
The adjustment device according to claim 7, characterized in that the first front sliding guide shaft (121) and the second front sliding guide shaft (122) are used between the rotating steel frame (201) Threaded connection.
A child safety seat, characterized in that the child safety seat includes:

Child safety seat body;

The child safety seat angle adjustment device according to any one of claims 1 to 9, wherein the child safety seat angle adjustment device is connected to the child safety seat body.