Base assembly of child safety seat

Abstract

The utility model relates to the technical field of child safety seats, in particular to a base assembly of a child safety seat, which comprises a bottom plate, the upper surface of the bottom plate is slidably connected with a support plate, the upper surface of the support plate is fixedly connected with a base body, and the upper surface of the base body is fixedly connected with a safety seat body. A sliding groove is formed in the rear side of the base body. The two-way lead screw is driven to rotate by rotating the rotating disc, so that the two sets of sliding blocks slide towards the direction close to each other on the inner side of the sliding groove, the two sets of connecting columns and the connecting plates are driven to be close to each other, the two sets of connecting plates are rotated to be in the horizontal position, and the clamping plates can slide to the inner side of the clamping groove; the clamping plate and the connecting plate enclose a back cushion of the automobile seat, so that the base body is connected to the back cushion of the automobile seat through the connecting plate and the clamping plate, and the stability of the safety seat is improved in the automobile forming process.

Description

Technical Field

[0001] The utility model relates to the technical field of children's safety seats, and particularly relates to a base assembly of a children's safety seat. Background Technique

[0002] A children's safety seat is a seat specially designed for children, aiming to improve the safety of children when riding in a vehicle. The main function of a children's safety seat is to reduce the impact force during a collision by restricting the movement of the child's body, thereby reducing the risk of injury to the child in a car accident.

[0003] For existing children's safety seats, when the safety seat is usually fastened to the car seat through an ISOFIX connector or by using a seat belt, when the children's safety seat is connected to the car by using a seat belt, during the driving of the car, it is very easy for the safety seat to become unstable due to braking or bumping, resulting in injury to the child, so that the children's safety seat no longer has a protective function. Content of the Utility Model

[0004] The purpose of the utility model is to provide a base assembly of a children's safety seat to solve the problem that when the children's safety seat is connected to the car by using a seat belt, during the driving of the car, it is very easy for the safety seat to become unstable due to braking or bumping, resulting in injury to the child, so that the children's safety seat no longer has a protective function as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A base assembly of a children's safety seat, including a bottom plate, on the upper surface of which a support plate is slidably connected, on the upper surface of the support plate a base body is fixedly connected, on the upper surface of the base body a safety seat body is fixedly connected, a chute is opened at the rear side of the base body, a slider is slidably connected inside the chute, a bidirectional lead screw is threadedly connected inside the slider, a connecting column is fixedly connected to the outer surface of the slider, a connecting plate is rotatably connected to the outer surface of the connecting column, a card slot is fixedly connected to the outer surface of the connecting plate, a fixing column is fixedly connected to the outer surface of the connecting plate, a first spring is fixedly connected inside the fixing column, the outer end of the first spring is fixedly connected to an adjusting column, a pulling plate is fixedly connected to the outer surface of the adjusting column, a plug rod is fixedly connected to the outer surface of the pulling plate, a clamping plate is slidably connected inside the card slot, and a slot is opened on the outer surface of the clamping plate.

[0006] Preferably, a fixing rod is fixedly connected to the lower surface of the support plate, a second spring is fixedly connected to the lower surface of the fixing rod, a connecting rod is fixedly connected to the lower surface of the second spring, damping plates are fixedly connected to the lower surfaces on both sides of the support plate, and buffer grooves are slidably connected to the outer surfaces of the damping plates.

[0007] Preferably, the sliding groove is formed on the back surface of the base body, the slider is in a "convex" block shape, both the sliding groove and the slider are in two groups, the bidirectional lead screw is in a rod shape, the bidirectional lead screw is rotatably connected to the inside of the sliding groove, and a turntable is fixedly connected to the outer surface of the bidirectional lead screw. Its function is to place the bottom plate on the seat, then rotate the two connecting plates so that the two connecting plates are vertically upward, and then rotate the turntable to drive the bidirectional lead screw to rotate, so that the two sliders slide towards each other inside the sliding groove, thereby driving the two connecting columns and the connecting plates to approach each other.

[0008] Preferably, both the connecting column and the connecting plate are in two groups, the connecting plate is rotatably connected to the connecting column, one of the connecting plates is fixedly connected to the card slot, and the other connecting plate is fixedly connected to the clamping plate. A groove adapted to the clamping plate is formed on one side of the card slot close to the clamping plate. Its function is to make the two connecting columns and the connecting plates approach each other, and then rotate the two connecting plates to a horizontal position, so that the clamping plate can slide into the inside of the card slot, and the clamping plate and the connecting plate enclose the headrest of the car seat, thereby connecting the base body to the car seat headrest through the connecting plate and the clamping plate.

[0009] Preferably, both the fixed column and the adjusting column are in a rod shape, the adjusting column slides inside the fixed column, the first spring is in a spiral shape, the first spring is fixedly connected between the fixed column and the adjusting column, the insertion rod is in a rod shape, a circular groove is formed on the outer surface of the card slot, and the insertion rod is inserted and connected to the slot through the circular groove. Its function is to pull the pull plate to make the adjusting column slide outwards inside the fixed column, causing the first spring to deform. When the clamping plate slides into the inside of the card slot, under the elastic action of the first spring, the insertion rod is inserted into the inside of the slot, thereby fixedly connecting the connecting plate and the clamping plate. Together with the use of the seat belt, the bottom plate is more firmly connected to the car.

[0010] Preferably, the buffer groove is a rectangular groove, the support plate is slidably connected to the inside of the buffer groove, the damping plate is in a plate shape, and there are two damping plates. Its function is to slide the damping plate inside the buffer groove, so that under the damping action of the damping plate, the continuous vibration of the support plate in the buffer groove is prevented, thereby improving the comfort of children.

[0011] Preferably, both the fixed rod and the connecting rod are in a rod shape, the fixed rod is slidably connected to the inside of the connecting rod, the second spring is in a spiral shape, and the second spring is fixedly connected between the fixed rod and the connecting rod. Its function is that multiple fixed rods, second springs and connecting rods are connected to the lower surface of the support plate. When the car is driving and bumps occur, due to the elasticity of the second spring, it will buffer the base body and the safety seat body above the support plate, thereby reducing the violent vibration of the base body and the safety seat body.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] By placing the bottom plate on the seat, then rotating two sets of connecting plates so that the two sets of connecting plates are vertically upward, then rotating the turntable to drive the bidirectional lead screw to rotate, making the two sets of sliders slide towards each other inside the chute, thereby driving the two sets of connecting columns and connecting plates to approach each other, then rotating the two sets of connecting plates to a horizontal position so that the clamping plate can slide into the inner side of the card slot, making the clamping plate and the connecting plate enclose the headrest of the car seat, thus connecting the base body to the car seat headrest through the connecting plate and the clamping plate. Then, by pulling the pull plate, the adjusting column slides outwards inside the fixed column, causing the first spring to deform. When the clamping plate slides into the inner side of the card slot, under the elastic action of the first spring, the insertion rod is inserted into the inner side of the slot, thereby fixedly connecting the connecting plate and the clamping plate. Coupled with the use of the seat belt, the bottom plate is more firmly connected to the car, thereby improving the stability of the safety seat during the driving process of the car.

[0014] By arranging a plurality of fixed rods, second springs and connecting rods connected to the lower surface of the support plate, during the driving of the car, when there is a bump, due to the elasticity of the second spring, it will buffer the base body and the safety seat body above the support plate, thereby reducing the violent vibration of the base body and the safety seat body, preventing excessive vibration from affecting the rest of the child. At the same time, under the damping effect of the damping plate, it prevents the continuous vibration of the support plate in the buffer groove, thereby improving the comfort of the child. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front three-dimensional structural view of the present utility model;

[0016] Figure 2 It is a side three-dimensional structural view of the present utility model;

[0017] Figure 3 For the present utility model Figure 2 It is a partial cross-sectional three-dimensional structural view of the base body in the present utility model;

[0018] Figure 4 For the present utility model Figure 1 It is a plane structural view of the cross-section of the bottom plate in the present utility model;

[0019] Figure 5 For the present utility model Figure 3 It is an enlarged structural view of part A in the present utility model.

[0020] In the figure: 1, bottom plate; 2, support plate; 3, base body; 4, safety seat body; 5, chute; 6, slider; 7, bidirectional lead screw; 8, connecting column; 9, connecting plate; 10, card slot; 11, fixed column; 12, first spring; 13, adjusting column; 14, pulling plate; 15, inserting rod; 16, clamping plate; 17, inserting slot; 18, fixed rod; 19, second spring; 20, connecting rod; 21, damping plate; 22, buffer groove. Detailed implementation manner

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-5 , an embodiment provided by the present invention:

[0023] A base assembly of a child safety seat, including a bottom plate 1, a support plate 2 is slidably connected to the upper surface of the bottom plate 1, a base body 3 is fixedly connected to the upper surface of the support plate 2, a safety seat body 4 is fixedly connected to the upper surface of the base body 3, a chute 5 is opened at the rear side of the base body 3, a slider 6 is slidably connected to the inner side of the chute 5, a bidirectional lead screw 7 is threadedly connected to the inner side of the slider 6, a connecting column 8 is fixedly connected to the outer surface of the slider 6, a connecting plate 9 is rotatably connected to the outer surface of the connecting column 8, a card slot 10 is fixedly connected to the outer surface of the connecting plate 9, a fixed column 11 is fixedly connected to the outer surface of the connecting plate 9, a first spring 12 is fixedly connected to the inner side of the fixed column 11, an adjusting column 13 is fixedly connected to the outer end of the first spring 12, a pulling plate 14 is fixedly connected to the outer surface of the adjusting column 13, an inserting rod 15 is fixedly connected to the outer surface of the pulling plate 14, a clamping plate 16 is slidably connected to the inner side of the card slot 10, and an inserting slot 17 is opened on the outer surface of the clamping plate 16.

[0024] Furthermore, a fixed rod 18 is fixedly connected to the lower surface of the support plate 2, a second spring 19 is fixedly connected to the lower surface of the fixed rod 18, a connecting rod 20 is fixedly connected to the lower surface of the second spring 19, damping plates 21 are fixedly connected to the lower surfaces on both sides of the support plate 2, and buffer grooves 22 are slidably connected to the outer surfaces of the damping plates 21.

[0025] Further, the sliding groove 5 is opened on the back surface of the base body 3. The slider 6 is in a "convex" block shape. Both the sliding groove 5 and the slider 6 are in two groups. The bidirectional lead screw 7 is in a rod shape. The bidirectional lead screw 7 is rotatably connected to the inner side of the sliding groove 5. A turntable is fixedly connected to the outer surface of the bidirectional lead screw 7. Its function is to place the bottom plate 1 on the seat, then rotate the two connecting plates 9 so that the two connecting plates 9 are vertically upward, and then rotate the turntable to drive the bidirectional lead screw 7 to rotate, so that the two sliders 6 slide in the inner side of the sliding groove 5 in a direction approaching each other, thereby driving the two connecting columns 8 and the connecting plates 9 to approach each other.

[0026] Further, both the connecting column 8 and the connecting plate 9 are in two groups. The connecting plate 9 is rotatably connected to the connecting column 8. One of the connecting plates 9 is fixedly connected to the card slot 10, and the other connecting plate 9 is fixedly connected to the clamping plate 16. A groove adapted to the clamping plate 16 is opened on one side of the card slot 10 close to the clamping plate 16. Its function is to make the two connecting columns 8 and the connecting plates 9 approach each other, and then rotate the two connecting plates 9 to a horizontal position, so that the clamping plate 16 can slide into the inner side of the card slot 10, so that the clamping plate 16 and the connecting plate 9 enclose the headrest of the car seat, thereby connecting the base body 3 to the car seat headrest through the connecting plate 9 and the clamping plate 16.

[0027] Further, both the fixed column 11 and the adjusting column 13 are in a rod shape. The adjusting column 13 slides inside the fixed column 11. The first spring 12 is in a spiral shape. The first spring 12 is fixedly connected between the fixed column 11 and the adjusting column 13. The insertion rod 15 is in a rod shape. A circular groove is opened on the outer surface of the card slot 10. The insertion rod 15 is inserted and connected to the slot 17 through the circular groove. Its function is to pull the pull plate 14, so that the adjusting column 13 slides outwards inside the fixed column 11, causing the first spring 12 to deform. When the clamping plate 16 slides into the inner side of the card slot 10, under the elastic action of the first spring 12, the insertion rod 15 is inserted into the inner side of the slot 17, thereby fixedly connecting the connecting plate 9 and the clamping plate 16. Together with the use of the seat belt, the bottom plate 1 is more firmly connected to the car.

[0028] Further, the buffer groove 22 is a rectangular groove. The support plate 2 is slidably connected to the inner side of the buffer groove 22. The damping plate 21 is in a plate shape. There are two groups of damping plates 21. Its function is to slide the damping plate 21 inside the buffer groove 22, so that under the damping action of the damping plate 21, the continuous vibration of the support plate 2 in the buffer groove 22 is prevented, thereby improving the comfort of the child.

[0029] Furthermore, both the fixing rod 18 and the connecting rod 20 are rod-shaped. The fixing rod 18 is slidably connected to the inner side of the connecting rod 20. The second spring 19 is spiral-shaped and is fixedly connected between the fixing rod 18 and the connecting rod 20. The function is that multiple groups of fixing rods 18, second springs 19, and connecting rods 20 are connected to the lower surface of the support plate 2. When the vehicle is driving and bumps occur, through the elasticity of the second spring 19, it will buffer the base body 3 and the safety seat body 4 above the support plate 2, thereby reducing the violent vibration of the base body 3 and the safety seat body 4.

[0030] Working principle: A support plate 2 is slidably connected to the upper surface of the bottom plate 1. The upper surface of the support plate 2 is fixedly connected to a base body 3. The upper surface of the base body 3 is fixedly connected to a safety seat body 4. A chute 5 is opened at the rear side of the base body 3. A slider 6 is slidably connected to the inner side of the chute 5. A bidirectional lead screw 7 is threadedly connected to the inner side of the slider 6. A connecting column 8 is fixedly connected to the outer surface of the slider 6. A connecting plate 9 is rotatably connected to the outer surface of the connecting column 8. A card slot 10 is fixedly connected to the outer surface of the connecting plate 9. A fixing column 11 is fixedly connected to the outer surface of the connecting plate 9. A first spring 12 is fixedly connected to the inner side of the fixing column 11. The outer end of the first spring 12 is fixedly connected to an adjusting column 13. A pulling plate 14 is fixedly connected to the outer surface of the adjusting column 13. A plug rod 15 is fixedly connected to the outer surface of the pulling plate 14. A clamping plate 16 is slidably connected to the inner side of the card slot 10. A slot 17 is opened on the outer surface of the clamping plate 16. By placing the bottom plate 1 on the vehicle seat, then rotating the two connecting plates 9 so that the two connecting plates 9 are vertically upward, and then rotating the turntable to drive the bidirectional lead screw 7 to rotate, so that the two sliders 6 slide in the chute 5 in a direction approaching each other, thereby driving the two connecting columns 8 and the connecting plates 9 to approach each other. Then rotate the two connecting plates 9 to a horizontal position so that the clamping plate 16 can slide into the card slot 10, so that the clamping plate 16 and the connecting plate 9 enclose the headrest of the vehicle seat. Thus, through the connecting plate 9 and the clamping plate 16, the base body 3 is connected to the vehicle seat headrest. Then, by pulling the pulling plate 14, the adjusting column 13 slides outward in the fixing column 11, causing the first spring 12 to deform. When the clamping plate 16 slides into the card slot 10, under the elastic action of the first spring 12, the plug rod 15 is inserted into the slot 17, thereby fixedly connecting the connecting plate 9 and the clamping plate 16. Together with the use of the seat belt, the bottom plate 1 is more firmly connected to the vehicle, thereby improving the stability of the safety seat during vehicle driving.

[0031] A fixing rod 18 is fixedly connected to the lower surface of the support plate 2. A second spring 19 is fixedly connected to the lower surface of the fixing rod 18. A connecting rod 20 is fixedly connected to the lower surface of the second spring 19. Damping plates 21 are fixedly connected to the lower surfaces on both sides of the support plate 2. The outer surfaces of the damping plates 21 are slidably connected to buffer grooves 22. By arranging and connecting multiple groups of fixing rods 18, second springs 19 and connecting rods 20 on the lower surface of the support plate 2, during the driving of the vehicle, when bumps occur, due to the elasticity of the second spring 19, the base body 3 and the safety seat body 4 above the support plate 2 can be buffered, thereby reducing the violent vibration of the base body 3 and the safety seat body 4, preventing excessive vibration from affecting the rest of the child. At the same time, under the damping effect of the damping plates 21, the continuous vibration of the support plate 2 in the buffer grooves 22 is prevented, thereby improving the comfort of the child.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A base assembly for a child safety seat, comprising a base plate (1), characterized in that: The upper surface of the bottom plate (1) is slidably connected to a support plate (2), the upper surface of the support plate (2) is fixedly connected to a base body (3), the upper surface of the base body (3) is fixedly connected to a safety seat body (4), a slide groove (5) is provided on the rear side of the base body (3), a slider (6) is slidably connected to the inner side of the slide groove (5), a bidirectional screw rod (7) is threadedly connected to the inner side of the slider (6), a connecting column (8) is fixedly connected to the outer surface of the connecting column (8), and a connecting plate (9) is rotatably connected to the outer surface of the connecting column (8). The outer surface of the connecting plate (9) is fixedly connected to a slot (10), the outer surface of the connecting plate (9) is fixedly connected to a fixing column (11), the inner side of the fixing column (11) is fixedly connected to a spring 1 (12), the outer end of the spring 1 (12) is fixedly connected to an adjusting column (13), the outer surface of the adjusting column (13) is fixedly connected to a pull plate (14), the outer surface of the pull plate (14) is fixedly connected to an insertion rod (15), the inner side of the slot (10) is slidably connected to a card plate (16), and the outer surface of the card plate (16) is provided with a slot (17).

2. A base assembly for a child safety seat according to claim 1, characterized in that: The lower surface of the support plate (2) is fixedly connected to a fixing rod (18), the lower surface of the fixing rod (18) is fixedly connected to a second spring (19), the lower surface of the second spring (19) is fixedly connected to a connecting rod (20), and the lower surfaces of both sides of the support plate (2) are fixedly connected to damping plates (21), and the outer surfaces of the damping plates (21) are slidably connected to buffer grooves (22).

3. The base assembly of a child safety seat according to claim 1, characterized in that: The slide groove (5) is provided on the back side of the base body (3); the slider (6) is in a convex block shape; the slide groove (5) and the slider (6) are both in two groups; the bidirectional screw rod (7) is in a rod shape; the bidirectional screw rod (7) is rotatably connected to the inner side of the slide groove (5); and a rotating disk is fixedly connected to the outer surface of the bidirectional screw rod (7).

4. A base assembly for a child safety seat according to claim 3, characterized in that: The connecting posts (8) and connecting plates (9) are both in two groups. The connecting plates (9) are rotatably connected to the connecting posts (8). One group of the connecting plates (9) is fixedly connected to the card slots (10), and the other group of the connecting plates (9) is fixedly connected to the card plate (16). A groove matching the card plate (16) is provided on one side of the card slots (10) close to the card plate (16).

5. A base assembly for a child safety seat according to claim 4, characterized in that: The fixing column (11) and the adjusting column (13) are both rod-shaped, the adjusting column (13) slides inside the fixing column (11), the spring (12) is spiral-shaped, the spring (12) is fixedly connected between the fixing column (11) and the adjusting column (13), the insertion rod (15) is rod-shaped, the outer surface of the card slot (10) is provided with a circular groove, and the insertion rod (15) is plugged into and connected with the slot (17) through the circular groove.

6. The base assembly of a child safety seat according to claim 2, characterized in that: The buffer groove (22) is a rectangular groove, the support plate (2) is slidably connected to the inner side of the buffer groove (22), the damping plate (21) is in a plate shape, and the damping plates (21) are in two groups.

7. A base assembly for a child safety seat according to claim 6, characterized in that: The fixing rod (18) and the connecting rod (20) are both in a rod-like shape; the fixing rod (18) is slidably connected to the inner side of the connecting rod (20); the second spring (19) is in a spiral shape; the second spring (19) is fixedly connected between the fixing rod (18) and the connecting rod (20).

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