Safety seat with composite structure and child restraint system

Abstract

The utility model discloses a safety seat of a composite structure and a child restraint system.The safety seat of the composite structure comprises a frame and an insert embedded in the frame, the frame is made of foaming materials and forms a semi-surrounding structure, and the interior of the semi-surrounding structure is a sitting space; at least one part of the insert extends into the frame, the other part of the insert is exposed out of the frame, and the structural strength of the insert is greater than that of the frame; the inserts comprise one or more of the following inserts: a first insert in contact with the supporting surface; the second insert and the third insert are used for positioning the first restraining piece; the fourth insert is used for mounting a handle; the fifth insert is used for mounting a buffer part; the sixth insert is used for mounting a sunshade; and the seventh insert and the eighth insert are used for positioning the second restraining piece. The frame is made of the foaming materials, the self weight of the seat is effectively reduced, the use experience is improved, and meanwhile the advantages of being good in integrity and high in production efficiency are achieved.

Description

Technical Field

[0001] This application relates to the field of child safety seat technology, and in particular to a composite structure child restraint system for a child safety seat. Background Technology

[0002] As people's living standards improve, the safety of infants and toddlers traveling has become a major concern. Infant carriers are typically suitable for infants from birth to around 15 months old. They can be used not only as car seats for infants and toddlers but also as cradles, offering convenience and safety.

[0003] For example, Chinese patent document CN106114309A discloses a headrest height adjustment mechanism for a child safety seat in a car. When the headrest height needs to be adjusted, there are three adjustment methods: First, loosen the locking nut and pull the adjusting rod inward. The positioning teeth disengage from the square slots. At this time, the adjusting rod can slide along the first through groove to move the headrest up and down. Keep the positioning teeth engaged with the square slots at different height positions on the headrest. When the headrest is moved to the appropriate position, tighten the adjusting rod. The positioning teeth on the adjusting rod will engage with the corresponding square slots. Tighten the locking nut to fix the position of the headrest. The second method involves loosening the locking nut and pulling the adjusting rod outwards to disengage the locking nut from the positioning groove. The headrest and adjusting rod are then moved up and down within the second slot, maintaining the locking nut's engagement with the positioning grooves at different heights on the chair back. Once the headrest is in the desired position, the locking nut is tightened, locking into the corresponding positioning groove and fixing the headrest in place. The third method combines the first and second adjustment methods to further adjust the headrest height.

[0004] Similar to the technologies described above, existing infant carriers or car seats typically include a shell to maintain the structure, a shock-absorbing foam liner, and a liner to improve the riding experience. This type of structure results in a significant increase in the weight of the infant carrier or car seat. When the infant is in the car, the increased weight hinders movement and negatively impacts the user experience, indicating room for improvement. Utility Model Content

[0005] To address the aforementioned technical problems, this application discloses a composite structure safety seat, including a frame and inserts fitted into the frame:

[0006] The frame is made of foamed material and forms a semi-enclosed structure, the interior of which is a seating space;

[0007] The insert extends at least partially into the interior of the frame and is exposed externally to the frame; the structural strength of the insert is greater than that of the frame; the insert includes one or more of the following:

[0008] The first insert is disposed at the bottom of the frame and is used to contact the support surface;

[0009] The second insert is disposed at the rear of the frame and is used to position the first constraint member;

[0010] The third insert is located at the opening side edge of the semi-enclosed structure and is used to position the first constraint member.

[0011] The fourth insert is disposed in the middle of the frame and is used to install a handle;

[0012] The fifth insert is disposed on the side of the frame in the left-right direction and is used to install the buffer;

[0013] The sixth insert is located at the opening edge of the semi-enclosed structure and is used to install the sunshade;

[0014] The seventh insert is disposed at the rear of the frame and is used to position the second constraint member;

[0015] The eighth insert is disposed at the front of the frame and is used to position the second constraint member.

[0016] Several alternative methods are provided below, but they are not intended as additional limitations on the overall solution above. They are merely further additions or optimizations. Provided there are no technical or logical contradictions, each alternative method can be combined individually with respect to the overall solution above, or multiple alternative methods can be combined with each other.

[0017] In one embodiment, the frame includes a main body and a support for forming the seating space, the first insert being disposed at the bottom of the support, and the second insert and / or the third insert and / or the fourth insert and / or the fifth insert and / or the sixth insert and / or the seventh insert and / or the eighth insert being disposed on the main body.

[0018] In one embodiment, the first insert extends in the front-rear direction of the frame and is divided into corner protectors at both ends and a base plate in the middle. The base plate is connected to each corner protector, and each corner protector extends from the bottom surface of the support to the front or rear side of the support.

[0019] In one embodiment, the frame is further provided with a hollow area, which is disposed on the support portion. The frame includes at least two support portions, and the hollow areas on each support portion are symmetrically arranged.

[0020] In one embodiment, the second insert is disposed on the side of the frame facing away from the seating space. The second insert includes a fixed end extending into the frame and a constraint end extending out of the frame. The constraint end is spaced apart from the frame to form a passage gap for the first constraint member to pass through.

[0021] In one embodiment, the rear of the frame is tilted in the direction of gravity and the passageway opens upward along the extension trend of the rear of the frame.

[0022] In one embodiment, the third inserts are arranged in pairs and respectively disposed on both sides of the frame width direction, and each third insert is a semi-open structure and forms a through loop for the first constraint member to pass through.

[0023] In one embodiment, the second insert and the third insert are configured together to form a first constraint path through which the first constraint member passes; the safety seat determines its spatial position through the first constraint path.

[0024] In one embodiment, the seventh insert and the eighth insert are grouped together and cooperate with the second constraint member to form a second constraint path, the second constraint path being used to determine the relative position of the child within the riding space.

[0025] This application also discloses a child restraint system, comprising:

[0026] The car seat provides the first constraint;

[0027] According to the composite structure safety seat described in the above technical solution of this application, the mounting seat is positioned on the car seat by the first constraint member or the base.

[0028] The technical solution disclosed in this application uses foamed material to form a frame, which avoids the redundant setting of shell and foam layer in the prior art and effectively reduces the weight of the seat; at the same time, by setting the various components on the frame in the form of inserts, it can overcome the local strength deficiency of foamed material and also meet the production characteristics of foamed material, thereby improving production efficiency.

[0029] The specific beneficial technical effects will be further explained in the specific implementation methods in conjunction with the specific structures or steps. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the composite structure of a safety seat according to one embodiment of this application;

[0031] Figure 2 This is a side view diagram of a composite structure child safety seat.

[0032] Figure 3 This is a frontal view diagram of a composite structure child safety seat.

[0033] Figure 4 A schematic diagram of a composite structure child safety seat viewed from below;

[0034] Figure 5 A schematic diagram of the composite structure of a child safety seat after the inner liner has been removed.

[0035] The annotations in the figure are explained as follows:

[0036] 100. Frame; 110. Seating space; 120. Main body; 130. Supporting part; 131. Openwork area;

[0037] 200, First insert; 210, Corner protector; 220, Base plate;

[0038] 300, Second insert; 310, Fixed end; 320, Constrained end; 330, Passing gap;

[0039] 400. Third insert; 410. Passing ring;

[0040] 500. Fourth insert; 510. Handle;

[0041] 600. Fifth insert;

[0042] 700. Sunshade;

[0043] 800, Seventh insert; 810, Adjustment hole;

[0044] 900, Eighth insert; 910, Restraint buckle. Detailed Implementation

[0045] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0046] It should be noted that when a component is said to be "connected" to another component, it can be directly connected to the other component or it can be connected to a component in between. When a component is said to be "set on" another component, it can be directly set on the other component or it may be set to a component in between.

[0047] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0048] Reference Appendix Figure 1 To be continued Figure 4 As shown, this application discloses a composite structure safety seat, including a frame 100 formed of foamed material and a plurality of inserts disposed on the frame 100. At least a portion of each insert extends into the interior of the frame 100, while another portion is exposed outside the frame 100. The structural strength of the insert is greater than that of the frame 100. For example, the insert has superior properties to the frame 100 in one or more of the following parameters: density, yield strength, tensile strength, elastic modulus, and Rockwell hardness, to achieve the aforementioned structural strength of the insert exceeding that of the frame 100. When multiple inserts are provided, the structural strength of each insert is greater than that of the frame 100.

[0049] The frame 100 in the disclosed technical solution uses foamed material to form a low-density porous or cavity structure, reducing its own weight while meeting structural strength and energy absorption / shock reduction requirements. This avoids the redundant setup of the shell and foam layer in existing technologies, effectively reducing the seat's weight. The insert design overcomes the localized strength deficiencies of the foamed material while also taking advantage of the foamed material's production characteristics, enabling the insert and frame 100 to be integrally molded, improving integrity and increasing production efficiency.

[0050] The frame 100 is made of foam material and forms a semi-enclosed structure, the interior of which is the seating space 110. Further, the frame 100 includes a main body 120 and a support portion 130 for forming the seating space 110. The front of the main body 120 is recessed to form the seating space 110, and one end of the support portion 130 is connected to the back of the main body 120, while the other end extends away from the main body 120 and cooperates with a support surface. The support surface can be a base for fixing a child safety seat, the seat surface of a car seat, the ground, etc.

[0051] Of the inserts, the first insert 200 is disposed at the bottom of the frame 100 and is used to contact the support surface;

[0052] The second insert 300 is disposed at the rear of the frame 100 and is used to position the first constraint member;

[0053] The third insert 400 is disposed at the opening side edge of the semi-enclosed structure and is used to position the first constraint member;

[0054] The fourth insert 500 is disposed in the middle of the frame 100 and is used to install the handle 510;

[0055] The fifth insert 600 is disposed on the side of the frame 100 in the left-right direction and is used to install the buffer;

[0056] The sixth insert is provided at the opening side edge of the semi-enclosed structure and is used to install the sunshade 700. The sixth insert can be provided at the pivot of the sunshade 700 or at the part where the sunshade 700 is fixedly connected to the frame 100.

[0057] The seventh insert 800 is disposed at the rear of the frame 100 and is used to position the second constraint member;

[0058] The eighth insert 900 is located at the front of the frame 100 and is used to position the second constraint member.

[0059] For details on setting up the first insert 200, please refer to the appendix. Figure 2 and attached Figure 4 In the illustrated embodiment, the first insert 200 extends in the front-rear direction of the frame 100 and is divided into corner protectors 210 at both ends and a base plate 220 in the middle. The base plate 220 is connected to each corner protector 210, and each corner protector 210 extends from the bottom surface of the support portion 130 to the front or rear facing facade of the support portion 130. The frame 100 includes at least two support portions 130, and each support portion 130 is provided with the first insert 200. The support portion 130 interacts with the support surface only through the first insert 200.

[0060] For details on the setup of the second insert 300, please refer to the appendix. Figure 1 and attached Figure 2 In the illustrated embodiment, the second insert 300 is disposed on the side of the frame 100 facing away from the seating space 110. The second insert 300 includes a fixed end 310 extending into the frame 100 and a restraining end 320 extending out of the frame 100. The restraining end 320 is spaced apart from the frame 100 to form a passage gap 330 for the first restraining member to pass through. In the direction of gravity, the rear of the frame 100 is inclined, and the passage gap 330 opens upward along the extension trend of the rear of the frame 100. The first restraining member can enter or exit the passage gap 330 through the opening of the passage gap 330. Under stress, the first restraining member can be held within the passage gap 330 by the guidance of the thickness of the frame 100 to ensure the restraint effect.

[0061] For details on setting up the third insert 400, please refer to the appendix. Figure 1 and attached Figure 3In the illustrated embodiment, the third inserts 400 are arranged in pairs and respectively on both sides of the frame 100 in the width direction. Each third insert 400 has a semi-open structure and forms a through loop 410 for the first constraint member to pass through. Similar to the through gap 330, the through loop 410 is partially open to allow the first constraint member to enter or exit. Under stress, the first constraint member can remain within the through loop 410 to ensure the constraint effect.

[0062] For details on setting up the seventh insert 800, please refer to the appendix. Figure 5 In the illustrated embodiment, the seventh insert 800 is plate-shaped and disposed inside the seating space 110, abutting against the main body 120. The seventh insert 800 is arrayed with multiple adjustment holes 810 for the passage of the second restraint member. Multiple adjustment holes 810 are provided at least in the height direction of the car seat. When the second restraint member passes through different adjustment holes 810, the second restraint path formed by the second restraint member can be adjusted to accommodate different needs of the child. Correspondingly, the main body 120 may also have passage holes corresponding to the adjustment holes 810 to facilitate the placement of the second restraint member. When a liner is provided in the seating space, the seventh insert 800 is disposed between the main body and the liner, and the liner has corresponding passage holes aligned with the adjustment holes 810.

[0063] For details on setting up the eighth insert 900, please refer to the appendix. Figure 5 In the illustrated embodiment, the eighth insert 900 includes a base connected to the main body 120 and a flexible portion extending from the base toward the seating space. The end of the flexible portion is provided with a constraint latch 910, which is used to cooperate with the second constraint member to establish a second constraint path. When a liner is provided in the seating space, the eighth insert 900 is disposed between the main body and the liner, with the flexible portion penetrating the liner and extending into the seating space.

[0064] Furthermore, the inserts can cooperate with each other. For example, the second insert 300 and the third insert 400 are grouped together to form a constraint path through which the first constraint member passes, and the safety seat determines its spatial position through the first constraint path. As another example, the seventh insert 800 and the eighth insert 900 are grouped together and cooperate with the second constraint member to form a second constraint path, which is used to determine the relative position of the child within the seating space.

[0065] Regarding the placement of the inserts, the first insert 200 is located at the bottom of the support portion 130, while the second insert 300, the third insert 400, the fourth insert 500, the fifth insert 600, the sixth insert, the seventh insert 800, and the eighth insert 900 can all be located on the main body 120.

[0066] In addition to the embedding settings, frame 100 can also be further optimized, for example, as shown in the attached document. Figure 1 and attached Figure 2 In the embodiment shown, the frame 100 is further provided with a hollow area 131, which is disposed on the support portion 130. The frame 100 includes at least two support portions 130, and the hollow areas 131 on each support portion 130 are symmetrically arranged.

[0067] Based on the above, it is easy to understand that this application also discloses a method for producing a composite structure child safety seat, including:

[0068] Provides molds with preset shapes;

[0069] Position each insert in the above embodiments to a preset position in the mold;

[0070] Foam material is filled into the mold to encapsulate the inserts;

[0071] Demolding is performed to obtain a composite structure safety seat with a pre-defined shape.

[0072] It is easy to understand that this application also discloses a child restraint system, including a car seat and a composite structure car seat. The first restraint element can be provided by the car seat, the car seat, or a separate component. In this embodiment, the seat belt on the car seat is the first restraint element, and the composite structure car seat is restrained to the car seat by the seat belt. The composite structure car seat may also include a base for mounting to the car seat. The base is mounted to the car seat by ISOFIX and / or LATCH and / or seat belt and / or other fixing devices. The frame of the composite structure car seat is detachably connected to the base for installation. During installation, the bottom abuts against the base via a first insert or directly against the base. The frame of the composite structure car seat may also be directly mounted to the car seat by ISOFIX and / or LATCH and / or seat belt and / or other fixing devices. During installation, the first insert at the bottom abuts against the car seat. When the car seat is placed on the car seat, the seat belt passes through the second insert 300 and the third insert 400 and establishes a first restraint path. Once a child enters the seating space, they can be restrained by a second restraint element. This second restraint element can be provided by the car seat itself, by a composite safety seat, or can be installed independently. In this embodiment, the second restraint element, in cooperation with the seventh insert 800 and the eighth insert 900, establishes a second restraint path to restrain the child within the seating space.

[0073] The specific setup of the composite structure car seat is described in detail above. Other details of the child restraint system can be implemented using existing technologies, and will not be elaborated here.

[0074] The technical features of the embodiments described above can be combined arbitrarily. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as the combination of these technical features does not contradict each other, it should be considered to be within the scope of this specification. When technical features of different embodiments are embodied in the same drawing, it can be regarded as the drawing also disclosing examples of combinations of the various embodiments involved.

[0075] The embodiments described above are merely examples of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these modifications and improvements all fall within the protection scope of this application.

Claims

1. A composite structure safety seat, characterized in that, Includes a frame and inserts fitted into the frame: The frame is made of foamed material and forms a semi-enclosed structure, the interior of which is a seating space; The insert extends at least partially into the interior of the frame and exposes another portion outside the frame; the structural strength of the insert is greater than the structural strength of the frame; the insert includes one or more of the following: The first insert is disposed at the bottom of the frame and is used to contact the support surface; The second insert is disposed at the rear of the frame and is used to position the first constraint member; The third insert is located at the opening side edge of the semi-enclosed structure and is used to position the first constraint member. The fourth insert is disposed in the middle of the frame and is used to install a handle; The fifth insert is disposed on the side of the frame in the left-right direction and is used to install the buffer; The sixth insert is located at the opening edge of the semi-enclosed structure and is used to install the sunshade; The seventh insert is disposed at the rear of the frame and is used to position the second constraint member; The eighth insert is disposed at the front of the frame and is used to position the second constraint member.

2. The safety seat with a composite structure according to claim 1, characterized in that, The frame includes a main body and a support for forming the seating space, the first insert being disposed at the bottom of the support, and the second insert and / or the third insert and / or the fourth insert and / or the fifth insert and / or the sixth insert and / or the seventh insert and / or the eighth insert being disposed on the main body.

3. The safety seat with a composite structure according to claim 2, characterized in that, The first insert extends in the front-rear direction of the frame and is divided into corner protectors at both ends and a base plate in the middle. The base plate is connected to each corner protector, and each corner protector extends from the bottom surface of the support to the front or rear side of the support.

4. The safety seat with a composite structure according to claim 2, characterized in that, The frame also has a hollow area, which is provided on the support part. The frame includes at least two support parts, and the hollow areas on each support part are symmetrically arranged.

5. The safety seat with a composite structure according to claim 1, characterized in that, The second insert is disposed on the side of the frame facing away from the seating space. The second insert includes a fixed end extending into the frame and a constraint end extending out of the frame. The constraint end is spaced apart from the frame to form a passage gap for the first constraint member to pass through.

6. The safety seat with a composite structure according to claim 5, characterized in that, In the direction of gravity, the rear of the frame is inclined and the passageway opens upward along the extension trend of the rear of the frame.

7. The safety seat with a composite structure according to claim 1, characterized in that, The third inserts are arranged in pairs and are respectively located on both sides of the frame width direction. Each third insert is a semi-open structure and forms a through loop for the first constraint member to pass through.

8. The safety seat with a composite structure according to claim 1, characterized in that, The second insert and the third insert are configured together to form a first constraint path through which the first constraint member passes; the safety seat determines its spatial position through the first constraint path.

9. The safety seat with a composite structure according to claim 1, characterized in that, The seventh and eighth inserts are grouped together and cooperate with the second constraint member to form a second constraint path, which is used to determine the relative position of the child in the riding space.

10. A child restraint system, characterized in that, include: The car seat provides the first constraint; The safety seat with a composite structure according to any one of claims 1 to 9, wherein the mounting seat of the composite structure is positioned on the vehicle seat by the first constraint member or the base.

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