CN221585211U - Bottom energy absorption and shock absorption system for child safety seat - Google Patents

Abstract

The utility model discloses a bottom energy absorption and shock absorption system for a child safety seat, which comprises a seat cushion body, wherein a seat contact layer is arranged at the bottom of the seat cushion body, and a riding contact layer is arranged at the top of the seat cushion body; the hardness of the material of the seat cushion body is greater than that of the seat buffer layer and the contact buffer layer. The seat cushion body is made of a series of common automobile parts such as PC, PC/ABS and the like, and the seat buffer layer and the contact buffer layer are made of a series of common automobile foams such as EPP, polyurethane and the like. The seat cushion has the remarkable effects that the soft seat contact layer is additionally arranged at the bottom of the seat cushion, so that the seat cushion can be in soft-soft contact with the automobile seat, the bottom of the safety seat has the functions of energy absorption and buffering, fine crushing and jolt from the chassis can be further filtered, and the riding comfort of children is improved.

Description

Bottom energy absorption and shock absorption system for child safety seat

Technical Field

The utility model relates to an automobile safety device, in particular to a child safety seat.

Background

Child safety seats are important safety devices for ensuring that a child is seated in a vehicle, and include at least a seat cushion that serves to raise the seated child.

The seat cushion of the child safety seat is generally composed of a hard supporting material (such as PC), a soft bag (such as polyurethane) and a face cover (such as fabric), the bottom of the seat cushion is made of hard materials, the child safety seat is placed on the automobile seat, and the child safety seat is in hard-soft contact with the automobile seat. The soft material of the automobile seat can play a certain role in energy absorption and buffering, but the effect is effective; the main reason is influenced by the vehicle type configuration (including factors such as suspension, vibration reduction, foam thickness of the automobile seat, hardness and the like).

There is a need to consider how to further reduce the shock of the child safety seat while driving and to improve the riding comfort of the child.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a seat cushion of a child safety seat with an energy absorption and buffering function, which is in soft-soft contact with an automobile seat, so that fine particles jolt from a chassis are further filtered, and the riding comfort of children is improved.

The main technical scheme adopted is as follows:

The bottom energy absorption and shock absorption system for the child safety seat is characterized in that: the seat cushion comprises a seat cushion body, wherein a seat buffer layer is arranged at the bottom of the seat cushion body, and a contact buffer layer is arranged at the top of the seat cushion body;

The hardness of the material of the seat cushion body is greater than that of the seat buffer layer and the contact buffer layer.

The seat cushion body is made of a series of common automobile parts such as PC, PC/ABS and the like, and the seat buffer layer and the contact buffer layer are made of a series of common automobile foams such as EPP, polyurethane and the like.

Drawings

FIG. 1 is a schematic view of a bottom energy absorbing cushioning system for a child safety seat according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a bottom energy absorbing and cushioning system for a child safety seat according to the present utility model

Fig. 3 is a schematic structural view of the seat cushion layer 2 of the present utility model;

fig. 4 is a schematic structural view of the support plate 41 of the present utility model.

Detailed Description

The utility model is further described below with reference to examples and figures.

The bottom energy absorption and shock absorption system for the child safety seat comprises a seat cushion body 1, wherein a seat buffer layer 2 is arranged at the bottom of the seat cushion body 1, and a contact buffer layer 3 is arranged at the top of the seat cushion body 1 as shown in fig. 1, 2, 3 and 4; two ISOFIX standard connectors are arranged at the rear and lower parts of the seat cushion body 1, and are respectively positioned at the left side and the right side of the seat cushion body 1.

The hardness of the material of the seat cushion body 1 is greater than the hardness of the material of the seat cushion layer 2 and the contact cushion layer 3.

The seat cushion body 1 is made of a series of common automobile parts such as PC, PC/ABS and the like, and the seat buffer layer 2 and the contact buffer layer 3 are made of a series of common automobile foams such as EPP, polyurethane and the like. The seat cushion layer 2 and the contact cushion layer 3 may be made of the same material or different materials.

The most basic connection between the seat cushion body 1 and the seat cushion layer 2 and between the seat cushion body and the contact cushion layer 3 may be direct bonding (gluing).

Another connection manner of the seat cushion layer 2 and the seat cushion body 1 may be:

The seat cushion comprises a seat cushion body 1, and is characterized by further comprising a bottom layer supporting framework 4, wherein the bottom layer supporting framework 4 is connected with the seat cushion body 1, and the seat cushion layer 2 at least covers the bottom surface of the bottom layer supporting framework 4.

In a preferred connection manner, the bottom layer supporting framework 4 includes a supporting plate 41 and a connecting post 42, the connecting post 42 is connected (for example, integrally formed) to the upper surface of the supporting plate 41, and the connecting post 42 is connected (for example, heat riveted) to the seat cushion body 1.

The supporting plate 41 is embedded in the seat buffer layer 2, the seat buffer layer 2 completely covers the supporting plate 41, and the upper portion of the connecting column 42 penetrates out of the seat buffer layer 2.

In order to facilitate the quick installation of the bottom layer supporting framework 4, a positioning jack matched with the connecting column 42 is arranged at the bottom of the seat cushion body 1, at least one, and preferably a plurality of positioning jacks are arranged, and the connecting column 42 is inserted into the positioning jack upwards and is connected with the seat cushion body 1.

The structure of the seat cushion body 1 is as follows: the seat cushion body 1 comprises a bottom plate 11 and a side wall 12, wherein the side wall 12 is connected with the edge of the bottom plate 11 and extends upwards, and the side wall 12 and the bottom plate 11 are connected to form a basin-shaped structure with an upward opening. At this time, the seat cushion layer 2 is attached to the lower surface of the floor panel 11, and the floor support frame 4 is connected to the floor panel 11. The positioning jack is a blind hole formed in the bottom surface of the bottom plate 11, a first section of connecting through hole is formed in the bottom of the positioning jack, a second section of connecting hole is formed in the connecting column 42, the first section of connecting through hole is matched with the second section of connecting hole, and a connecting piece (for example, a screw rod) is arranged in the first section of connecting through hole and the second section of connecting hole in a penetrating manner.

In order to improve the adhesion between the seat cushion layer 2 and the support plate 41, a plurality of through holes are further provided in the support plate 41, which can serve as weight reduction on the one hand and can be filled with the seat cushion layers 2 on both sides of the support plate 41 by cross-linking each other during foaming on the other hand.

In order to improve the anti-twisting performance of the support plate 41, a reinforcing flange 43 is provided at the edge of the support plate 41, the reinforcing flange 43 may face the same side (e.g., upper side) of the support plate 41, and reinforcing ribs 44 are provided on the surface of the support plate 41, the reinforcing ribs 44 may be provided on the same side (e.g., upper side) of the support plate 41, and the reinforcing ribs 44 may be preferably connected to the reinforcing flange 43.

The contact buffer layer 3 is of a cambered surface structure with an upward concave surface, a riding support framework is embedded in the contact buffer layer 3, and the riding support framework is connected with the seat cushion body 1.

The beneficial effects are that: by adopting the bottom energy-absorbing and cushioning system for the child safety seat, the soft seat cushion layer is additionally arranged at the bottom of the seat cushion, so that the soft seat cushion layer can be in soft-soft contact with the automobile seat, the bottom of the safety seat has energy-absorbing and cushioning functions, fine particles jolt from a chassis can be further filtered, and the riding comfort of children is improved. The child is allowed to sit with a soft and cushioned feel (WaveFlex) like sea waves.

Finally, it should be noted that the above description is only a preferred embodiment of the present utility model, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (10)

1. The utility model provides a children's safety is bottom energy-absorbing bradyseism system for seat which characterized in that: comprises a seat cushion body (1), wherein a seat buffer layer (2) is arranged at the bottom of the seat cushion body (1), and a contact buffer layer (3) is arranged at the top of the seat cushion body (1);

The hardness of the material of the seat cushion body (1) is larger than that of the material of the seat buffer layer (2) and the material of the contact buffer layer (3).

2. The child safety seat bottom energy absorbing cushioning system of claim 1, wherein: the seat cushion comprises a seat cushion body (1) and is characterized by further comprising a bottom layer supporting framework (4), wherein the bottom layer supporting framework (4) is connected with the seat cushion body (1), and the seat cushion layer (2) at least covers the bottom surface of the bottom layer supporting framework (4).

3. The child safety seat bottom energy absorbing cushioning system of claim 2, wherein: the bottom layer supporting framework (4) comprises a supporting plate (41) and connecting columns (42), the connecting columns (42) are connected to the upper surface of the supporting plate (41), and the connecting columns (42) are connected with the seat cushion body (1).

4. A child safety seat bottom energy absorbing cushioning system according to claim 3, wherein: the support plate (41) is embedded in the seat buffer layer (2), the seat buffer layer (2) completely covers the support plate (41), and the upper part of the connecting column (42) penetrates out of the seat buffer layer (2).

5. A child safety seat bottom energy absorbing cushioning system according to either of claims 3 or 4, wherein: the bottom of the seat cushion body (1) is provided with a positioning jack matched with the connecting column (42), and the connecting column (42) is upwards inserted into the positioning jack and connected with the seat cushion body (1).

6. The child safety seat bottom energy absorbing cushioning system of claim 5, wherein: the seat cushion body (1) comprises a bottom plate (11) and side walls (12), the side walls (12) are connected to the edge of the bottom plate (11) and extend upwards, the seat buffer layer (2) is attached to the lower surface of the bottom plate (11), and the bottom layer supporting framework (4) is connected with the bottom plate (11).

7. The child safety seat bottom energy absorbing cushioning system of claim 6, wherein: the positioning jack is a blind hole formed in the bottom surface of the bottom plate (11), a first section of connecting through hole is formed in the bottom of the positioning jack, a second section of connecting hole is formed in the connecting column (42), the first section of connecting through hole is matched with the second section of connecting hole, and a connecting piece is arranged in the first section of connecting through hole and the second section of connecting hole in a penetrating mode.

8. A child safety seat bottom energy absorbing cushioning system according to claim 3, 4, 6 or 7, wherein: the supporting plate (41) is provided with a plurality of through holes, and the seat buffer layer (2) fills the through holes.

9. A child safety seat bottom energy absorbing cushioning system according to claim 3, 4, 6 or 7, wherein: the edge of the supporting plate (41) is provided with a strengthening flanging (43).

10. A child safety seat bottom energy absorbing cushioning system according to claim 3, 4, 6 or 7, wherein: reinforcing ribs (44) are arranged on the surface of the supporting plate (41).