Spine protection structure and child safety seat

Abstract

The utility model discloses a spine protection structure and a child safety seat. The spine protection structure comprises a back cushion and a spine protection cushion, the cross section of the backrest part is triangular, and the thickness of the upper end of the backrest part is smaller than that of the lower end of the backrest part; the backrest part is provided with a pocket part for detachably mounting the spine protection pad; the spine protection cushion serves as a supporting part of the backrest part, the section of the spine protection cushion is triangular, the thickness of the upper end of the spine protection cushion is smaller than that of the lower end of the spine protection cushion, and when the spine protection cushion and the backrest cushion are assembled, the front face of the backrest part inclines towards the back face from bottom to top. The spine protection structure is composed of the back cushion and the spine protection pad, the back cushion and the spine protection pad can be selected to be combined or used independently according to the age of a child, use is flexible and convenient, the blank of existing market products in the aspects of spine protection accuracy and comprehensiveness is filled, and more excellent guarantee is provided for travel safety and spine healthy development of the child.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of children's safety seats, in particular to a spine protection structure and children's safety seat. BACKGROUND

[0002] Although the market of children's safety seats has already had a scale, there are still significant defects in the spine protection function. The spine of children is in a continuous and complex development process since birth. The spine of newborns is in a unique "C" shape, and gradually evolves with growth, and the physiological curvature of the cervical spine, thoracic spine and lumbar spine is formed successively, and the overall shape of the spine gradually tends to be upright from the initial "C" shape, until finally having the complete shape and functional characteristics of adult spine.

[0003] However, most of the existing children's safety seats do not fully consider this dynamic evolution process when designing, and often use a one-size-fits-all fixed mode or only rough age segmentation. For example, common seats only provide a single shape of small child pad in the 0-12 month stage, completely ignoring the significant changes in the spine of children after 6 months, and cannot provide adaptive support according to the accurate shape and mechanical requirements of the spine at each stage. This non-ergonomic design concept not only cannot effectively protect the spine of children, but also may have potential adverse effects on the development of the spine due to long-term improper support, which seriously restricts the actual effectiveness of children's safety seats in protecting the healthy growth of children.

[0004] Therefore, how to solve the above-mentioned problems existing in the prior art has become a research topic to be solved by the utility model. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to provide a spine protection structure and children's safety seat.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0007] The utility model provides a spine protection structure in a first aspect, which comprises a back cushion and a spine protection pad.

[0008] The back cushion has a back part, and the cross section of the back part is triangular, and the thickness of the upper end is smaller than that of the lower end; the back part has a pocket part for detachably mounting the spine protection pad;

[0009] The spine protection pad serves as the support part of the back part, and the cross section of the spine protection pad is triangular, and the thickness of the upper end is smaller than that of the lower end, so that when the spine protection pad is assembled with the back cushion, the front surface of the back part is inclined from the lower end to the upper end towards the back surface.

[0010] Preferably, the upper end of the back part and the spine protection pad is less than 30°.

[0011] Further preferably, when the back-protection cushion is assembled with the back cushion, the front surface of the back-protection structure is inclined by about 30° from the bottom to the back.

[0012] Preferably, the pocket part is arranged on the back surface of the backrest part, and the internal accommodating cavity is matched with the shape of the back-protection cushion.

[0013] Further preferably, the opening of the pocket part is upward, and one side surface of the opening is inwardly turned to form a back-protection cushion limiting pocket for limiting the upper end of the back-protection cushion.

[0014] Preferably, the back-protection cushion comprises a back-protection inner cushion and a back-protection outer cover sleeved on the outside of the back-protection inner cushion, the back-protection inner cushion is made of high-resilience sponge material, and a plurality of inner-cushion air-permeable holes are arranged on the surface of the back-protection inner cushion.

[0015] Further preferably, the back-protection outer cover is made of elastic air-permeable mesh cloth.

[0016] Preferably, the backrest part comprises a backrest cushion and a backrest cover, the bottom of the backrest cover is provided with a backrest cushion inlet through which the backrest cushion is detachably installed, and one side surface of the backrest cushion inlet is inwardly turned to form a backrest cushion limiting pocket for limiting the lower end of the backrest cushion.

[0017] Further preferably, a plurality of cushion air-permeable holes are arranged on the surface of the backrest cushion to increase air permeability, the backrest cushion is made of memory sponge, the front surface of the backrest cover is made of thickened 3D air-permeable mesh cloth, and the other surfaces of the backrest cover are made of waterproof and dirt-proof air-permeable fabric.

[0018] Preferably, the back cushion further comprises side wing parts arranged on both sides of the backrest part, and the thickness of the side wing parts is greater than the thickness of the upper end of the backrest part.

[0019] Further preferably, the side wing part comprises a side wing cushion and a side wing cover, the back surface of the side wing cover is provided with a side wing cushion inlet through which the side wing cushion is detachably installed, and one side surface of the side wing cushion inlet is inwardly turned to form a side wing cushion limiting pocket for limiting the side wing cushion.

[0020] Further preferably, the side wing cushion is made of memory sponge, and the side wing cover is made of waterproof and dirt-proof air-permeable fabric.

[0021] Preferably, the back cushion further comprises a headrest part detachably installed on the upper end of the backrest part, and the headrest part comprises a headrest cushion and a headrest cover sleeved on the outside of the headrest cushion.

[0022] Further preferably, the headrest cushion is made of memory sponge, and the headrest cover is made of waterproof and dirt-proof air-permeable fabric.

[0023] Further preferably, the front surface of the headrest part is connected with the front surface of the backrest part in the vertical direction.

[0024] Further preferably, the middle part of the front surface of the headrest part is thickened and is provided with a 3D breathable mesh.

[0025] Preferably, the bottom of the headrest part is provided with at least one connecting structure which is detachably connected to the back surface of the backrest part through a snap structure.

[0026] Further preferably, the connecting structure comprises a connecting plate and an outer sheath sleeved on the outer portion of the connecting plate, and the upper end of the connecting structure extends to the rear side of the headrest pad in the headrest part, and the lower end extends into the pocket part.

[0027] Further preferably, the outer sheath is made of a waterproof and dirt-proof breathable fabric.

[0028] Preferably, the back cushion further comprises support parts which are arranged on both sides of the bottom of the backrest part and extend to the front side, and each of the support parts comprises two side support wings which are connected to each other, and each of the side support wings comprises a support pad and a support sheath which is sleeved on the outer portion of the support pad.

[0029] Further preferably, the support pad is made of a memory sponge, and the support sheath is made of a waterproof and dirt-proof breathable fabric.

[0030] The second aspect of the utility model provides a child safety seat which comprises the spine protection structure.

[0031] The working principle and advantages of the utility model are as follows:

[0032] The utility model discloses a spine protection structure which is combined by a back cushion and a spine protection pad, wherein the cross section of the back cushion and the spine protection pad is triangular, the back cushion and the spine protection pad are combined when the child is less than six months old, can be attached to the contour curve of the "C" type spine of the child, and the compression force borne by the spine is significantly reduced, the spine protection pad is removed when the child is more than six months old, and the back cushion is used alone, can be attached to the spine when the thoracic vertebrae lordosis appears, the whole spine protection structure can be used flexibly, and the blank in the precision and comprehensiveness of the spine protection of the existing market products is filled, and more excellent protection is provided for the safety of the child during travel and the healthy development of the spine.

[0033] The front surface of the headrest sheath of the back cushion is connected to the front surface of the backrest part in the vertical direction, a smooth curve is formed between the front surface of the headrest sheath and the front surface of the backrest part, the head and neck difference is reduced, strong support and reliance are provided for the cervical vertebra, the spine protection does not cause the neck to be pressed, and the ergonomic design for the growth and development is more in line with.

[0034] The spine protection structure is arranged on the safety seat, the support part and the backrest part form an L-shaped support, the whole spine protection structure can stand on the safety seat without other auxiliary structures, and the spine protection structure is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0035] FIG. 1 is an exploded view of a backrest structure according to an embodiment of the present application; Figure 1 FIG. 2 is a front view of the backrest structure according to an embodiment of the present application; FIG. 3 is a left view of the backrest structure according to an embodiment of the present application;

[0036] FIG. 4 is a top view of the backrest structure according to an embodiment of the present application; Figure 2 FIG. 5 is a bottom view of the backrest structure according to an embodiment of the present application; FIG. 6 is a cross-sectional view of the backrest structure when used in combination with a backrest cushion according to an embodiment of the present application;

[0037] FIG. 7 is a cross-sectional view of the backrest structure when used alone according to an embodiment of the present application. Figure 3 FIG. 8 is a cross-sectional view of the backrest structure when used in combination with a backrest cushion according to another embodiment of the present application;

[0038] FIG. 9 is a cross-sectional view of the backrest structure when used alone according to another embodiment of the present application. Figure 4 FIG. 10 is a cross-sectional view of the backrest structure when used in combination with a backrest cushion according to yet another embodiment of the present application; FIG. 11 is a cross-sectional view of the backrest structure when used alone according to yet another embodiment of the present application.

[0039] FIG. 12 is a cross-sectional view of the backrest structure when used in combination with a backrest cushion according to still another embodiment of the present application; Figure 5 FIG. 13 is a cross-sectional view of the backrest structure when used alone according to still another embodiment of the present application. FIG. 14 is a cross-sectional view of the backrest structure when used in combination with a backrest cushion according to an embodiment of the present application;

[0040] FIG. 15 is a cross-sectional view of the backrest structure when used alone according to an embodiment of the present application. Figure 6 FIG. 16 is a cross-sectional view of the backrest structure when used in combination with a backrest cushion according to another embodiment of the present application; FIG. 17 is a cross-sectional view of the backrest structure when used alone according to another embodiment of the present application.

[0041] FIG. 18 is a cross-sectional view of the backrest structure when used in combination with a backrest cushion according to yet another embodiment of the present application; Figure 7 FIG. 19 is a cross-sectional view of the backrest structure when used alone according to yet another embodiment of the present application. FIG. 20 is a cross-sectional view of the backrest structure when used in combination with a backrest cushion according to still another embodiment of the present application;

[0042] FIG. 21 is a cross-sectional view of the backrest structure when used alone according to still another embodiment of the present application. Figure 8 FIG. 22 is a cross-sectional view of the backrest structure when used in combination with a backrest cushion according to an embodiment of the present application; FIG. 23 is a cross-sectional view of the backrest structure when used alone according to an embodiment of the present application.

[0043] In the above drawings: 1 backrest cushion; 2 backrest pad; 11 backrest portion; 111 backrest pad inlet; 112 backrest pad limiting pocket; 113 first air-permeable mesh cloth; 12 side wing portion; 121 side wing pad inlet; 122 side wing pad limiting pocket; 13 headrest portion; 131 second air-permeable mesh cloth; 14 support portion; 141 side support wing; 15 pocket portion; 151 backrest pad limiting pocket; 16 connecting structure; 17 snap structure. DETAILED DESCRIPTION

[0044] The present application will be further described below in conjunction with the drawings and embodiments:

[0045] Embodiment: The present application will be clearly explained below by means of drawings and detailed description. Any person skilled in the art can change and modify the technology taught by the present application without departing from the spirit and scope of the present application.

[0046] The terms used herein are only for describing specific embodiments and are not intended to limit the present application. The singular forms such as "a", "this", "this", "this" and "the" as used herein also include the plural forms.

[0047] The terms "first", "second", and the like as used herein do not imply a particular order, but are used to distinguish one component from another. They do not limit the present application.

[0048] The terms "connected" and "positioned" as used herein mean that two or more components or devices are in direct or indirect contact with each other, or that two or more components or devices are operatively or functionally connected or positioned.

[0049] The terms "comprising", "including", "containing", and the like as used herein are open-ended terms that mean "including, but not limited to".

[0050] The terms used herein are generally used in their ordinary meanings unless otherwise specifically defined. Certain terms used to describe the present application are discussed below or elsewhere in the specification to provide additional guidance to those skilled in the art regarding the description of the present application.

[0051] The terms "front", "back", "up", "down", "left", "right", and the like as used herein are directional terms that are used in the present application only to describe the positional relationship between structures, and do not limit the scope of protection of the present application and the specific direction during actual implementation.

[0052] Referring to the accompanying Figures 1-6 The first aspect of the present embodiment provides a back protection structure, which comprises a back cushion 1 and a back protection cushion 2.

[0053] The back cushion 1 has a backrest part 11, side wing parts 12 connected to both sides of the backrest part 11, a headrest part 13 detachably mounted on the upper end of the backrest part 11, and support parts 14 connected to both sides of the bottom of the backrest part 11 and extending forward.

[0054] The backrest part 11 is triangular in cross-section, with the upper end being thinner than the lower end. The backrest part 11 has a pocket part 15 for detachably mounting the back protection cushion 2. The back protection cushion 2 serves as the support part 14 of the backrest part 11. The back protection cushion 2 is triangular in cross-section, with the upper end being thinner than the lower end. When the back protection cushion 2 is assembled with the back cushion, the front surface of the back protection structure is inclined from the bottom to the top towards the back surface.

[0055] When the entire back protection structure is in use, there are two methods of use:

[0056] Method one: the back cushion 1 and the back protection cushion 2 are used in combination, which is suitable for children aged 0-6 months.

[0057] This stage, the newborn spine presents a typical "C" type of posterior convexity, and the physiological curvature is still in the embryonic form, the texture is extremely soft and fragile. Therefore, the implementation of the combination of the back cushion 1 and the spine protection pad 2, the back cushion 1 provides a basic and stable support, and the spine protection pad 2 further strengthens the wrapping and supporting force of the spine, the two work together, can fit the contour curve of the child's "C" type spine, significantly reduce the compression force borne by the spine, see Figure 7 .

[0058] Method two: remove the spine protection pad 2, the back cushion 1 is used alone, suitable for children over 6 months old;

[0059] When the child grows up to 6 months old, the thoracic spine lordosis physiological characteristics gradually highlights, starting into the key transition period of sitting learning, at this time the spine is still in the process of continuous development, has not yet fully matured, in the dynamic state of frequent alternation between sitting and lying. At this time, if the "C" type angle is not matched with the growing straighter spine shape, there is no space left for the child to sit, so the spine protection pad 2 needs to be removed to leave space for sitting and the back angle is straighter. At this time, relying on the angle adjustment system of the safety seat itself, combined with the back cushion 1 of the implementation, can provide appropriate support for the child's spine, effectively help the child smoothly go through the key stage of sitting and learning, and escort the healthy development of the spine. The side wing part 12, headrest part 13 and support part 14 of the back cushion 1 of the implementation can provide support and protection for the child, ensure the stability and safety of the child during sitting and standing, see Figure 8 .

[0060] In the embodiment, the included angle between the backrest part 11 and the upper end of the spine protection pad 2 is less than 30°. Preferably, when the spine protection pad 2 is assembled with the back cushion, the front surface of the spine protection structure is inclined to the back surface by about 30° from bottom to top. This angle is verified by a large number of biomechanical experiment analysis and medical clinical research, which can more accurately fit the contour curve of the child's "C" type spine, significantly reduce the compression force borne by the spine, and has excellent practical efficiency in preventing newborns from choking and protecting the physiological function of the stomach.

[0061] In the embodiment, the pocket part 15 is connected to the back of the backrest part 11 to ensure the appearance and avoid affecting the air permeability of the front surface of the backrest part 11.

[0062] In the embodiment, the internal accommodation cavity of the pocket part 15 is consistent with the shape of the spine protection pad 2, so as to fix the spine protection pad 2 and avoid the influence of the movement of the spine protection pad 2 on the stable support. In other embodiments, the pocket part 15 can also be set to an adjustable tightness style to adapt to different specifications and thicknesses of the spine protection pad 2.

[0063] In this embodiment, in order to facilitate the connection structure 16 of the bottom of the headrest part 13, the pocket part 15 is opened upward. In order to avoid the upward movement of the cervical pad 2, one side of the opening of the pocket part 15 is turned inward to form a cervical pad limiting pocket 151 for limiting the upper end of the cervical pad 2, see Figure 5 .

[0064] In this embodiment, the cervical pad 2 includes a cervical inner pad and a cervical outer cover sleeved outside the cervical inner pad. Since the cervical pad 2 is detachable, in order to avoid damage to the cervical inner pad, the cervical outer cover is arranged outside the cervical inner pad. In order to increase the air permeability, a plurality of inner pad air permeable holes are arranged on the surface of the cervical inner pad, and the cervical outer cover is made of elastic air permeable mesh cloth. In addition, the cervical inner pad is made of high-resilience sponge material, which can provide long-term and stable support and comfortable use.

[0065] In this embodiment, the backrest part 11 includes a backrest pad and a backrest cover, and the bottom of the backrest cover is provided with a backrest pad inlet 111 for detachably mounting the backrest pad. One side of the backrest pad inlet 111 is turned inward to form a backrest pad limiting pocket 112 for limiting the lower end of the backrest pad, see Figure 6 .

[0066] In this embodiment, a plurality of pad air permeable holes are arranged on the surface of the backrest pad to increase the air permeability.

[0067] In this embodiment, the thickness of the side wing part 12 is greater than the thickness of the upper end of the backrest part 11. The thickened side wing part 12 can provide lateral support and protection for children, which not only increases the protection range but also maximally buffers external pressure.

[0068] The side wing part 12 includes a side wing pad and a side wing cover, and the back surface of the side wing cover is provided with a side wing pad inlet 121 for detachably mounting the side wing pad. One side of the side wing pad inlet 121 is turned inward to form a side wing pad limiting pocket 122 for limiting the side wing pad, see Figure 3 .

[0069] In this embodiment, the headrest part 13 includes a headrest pad and a headrest cover sleeved outside the headrest pad. The front surface of the headrest part 13 is connected with the front surface of the backrest part 11 in the vertical direction, and a smooth curve is formed between the two, which reduces the head-neck difference, provides strong support and reliance for the cervical vertebra, and can realize cervical protection without neck nest, which is more in line with the ergonomic design of growing and developing human body.

[0070] The bottom of the headrest part 13 is connected with a connection structure 16, and the connection structure 16 is detachably connected with the back surface of the backrest part 11 through a snap structure 17. This design facilitates the quick disassembly of the headrest part 13 and facilitates cleaning. In other embodiments, the connection structure 16 can be arranged side by side in two or more.

[0071] In order to increase the comfort of the back of the child, the buckle structure 17 can be arranged at the middle or lower thick part of the backrest part 11.

[0072] The connecting structure 16 includes a connecting plate and an outer sheath sleeved outside the connecting plate, the upper end of the connecting structure 16 extends to the rear side of the headrest pad inside the headrest part 13, and the lower end extends into the pocket part 15. This design can ensure that the headrest part 13 stands above the backrest part 11 without affecting the comfort of use.

[0073] In this embodiment, the support part 14 includes two side support wings 141 connected left and right, the side support wing 141 includes a support pad and a support sheath sleeved outside the support pad, and the support sheaths of the two side support wings 141 are integrally stitched. By arranging the support part 14 as two side support wings 141, on the one hand, an L-shaped stable support can be formed with the backrest part 11, so that the whole spine protection structure stands on the seat, on the other hand, the child's hips can be wrapped on both sides, the comfort is better, and after the child presses the side support wing 141 on the inner side, the whole spine protection structure is used more stably.

[0074] In this embodiment, the sheaths between the backrest part 11, the side wing part 12 and the support part 14 can be stitched and connected to realize the integrated connection of the backrest part 11, the side wing part 12 and the support part 14.

[0075] In this embodiment, the backrest pad, the side wing pad, the headrest pad and the support pad can all use memory foam, which has the effects of pressure absorption and buffering, air permeability and moisture absorption, bacteria prevention and mite resistance, softness and comfort.

[0076] In this embodiment, the front surface of the backrest sheath uses a first air-permeable mesh cloth 113, and the middle part of the front surface of the headrest sheath uses a second air-permeable mesh cloth 131. The first air-permeable mesh cloth 113 and the second air-permeable mesh cloth 131 are both thickened 3D air-permeable mesh cloths, which are not only air-permeable but also comfortable.

[0077] In this embodiment, in addition to the sheath parts using the thickened 3D air-permeable mesh cloth as described above, the other sheath parts can all use waterproof and stain-resistant air-permeable fabrics, which can prevent hygiene and safety problems caused by bacterial growth, protect the health of children, and also take into account air permeability, giving mothers more peace of mind and saving effort, and giving children a better experience.

[0078] The second aspect of the present embodiment provides a child safety seat, which includes the above-mentioned spine protection structure, and the spine protection structure is directly placed on the safety seat for use without other connecting structures 16, which is convenient to use. For the safety belt structure on the safety seat, the headrest part 13 separated from the upper end of the backrest part 11 and the support part 14 arranged on both sides of the lower end of the backrest part 11 can all be avoided, without affecting the use of the safety belt.

[0079] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. A spinal protection structure, characterized by: The cushion comprises a backrest and a back support pad; The backrest has a backrest part with a triangular cross section, the upper end of which is thinner than the lower end; the backrest part has a pocket part for detachably mounting the back support pad; The back support pad serves as a support part of the backrest part, the cross section of the back support pad is triangular, the upper end of which is thinner than the lower end, so that when the back support pad is assembled with the backrest part, the front surface of the backrest part is inclined from the lower end to the upper end.

2. A spinal protection structure according to claim 1, wherein: The upper end of the backrest part and the upper end of the back support pad are both less than 30°.

3. A spinal protection structure according to claim 1, wherein: The pocket part is connected to the back surface of the backrest part, and the internal cavity is matched with the shape of the back support pad.

4. A spinal protection structure according to claim 3, wherein: The opening of the pocket part is upward, and one side of the opening is inwardly turned to form a back support pad limiting bag for limiting the upper end of the back support pad.

5. The spinal cord protection structure of claim 1, wherein: The back support pad comprises a back support inner pad and a back support outer cover sleeved on the outside of the back support inner pad, and a plurality of inner pad air holes are formed on the surface of the back support inner pad.

6. A spinal protection structure according to claim 1, wherein: The backrest part comprises a backrest pad and a backrest cover, and the bottom of the backrest cover is provided with a backrest pad inlet for detachably mounting the backrest pad, and one side of the backrest pad inlet is inwardly turned to form a backrest pad limiting bag for limiting the lower end of the backrest pad.

7. A spinal cord protection structure according to claim 6, wherein: A plurality of pad air holes are formed on the surface of the backrest pad, and the front surface of the backrest cover is provided with a breathable mesh cloth.

8. The structure of claim 1, wherein: The cushion further comprises side wing parts connected to the two sides of the backrest part, and the thickness of the side wing parts is greater than the thickness of the upper end of the backrest part.

9. A spinal cord protection structure according to claim 8, wherein: The side wing part comprises a side wing pad and a side wing cover, and the back surface of the side wing cover is provided with a side wing pad inlet for detachably mounting the side wing pad, and one side of the side wing pad inlet is inwardly turned to form a side wing pad limiting bag for limiting the side wing pad.

10. The spinal cord protection structure of claim 2, wherein: The cushion further comprises a headrest part detachably mounted on the upper end of the backrest part, and the headrest part comprises a headrest pad and a headrest cover sleeved on the outside of the headrest pad.

11. A spinal cord protection structure according to claim 10, wherein: The front surface of the headrest part is connected to the front surface of the backrest part in the vertical direction, and the middle part of the front surface of the headrest part is provided with a breathable mesh cloth.

12. A spinal cord protection structure according to claim 10, wherein: The bottom of the headrest part is connected to at least one connecting structure, and the connecting structure is detachably connected to the back surface of the backrest part through a snap structure.

13. A spine guard structure according to claim 12, wherein: The connecting structure comprises a connecting plate and an outer cover sleeved on the outside of the connecting plate, the upper end of the connecting structure extends to the rear side of the headrest pad inside the headrest part, and the lower end of the connecting structure extends to the pocket part.

14. The structure of claim 1, wherein: The cushion further comprises support parts connected to the two sides of the bottom of the backrest part and extending to the front side, and the support parts comprise two side support wings connected to each other, and the side support wing comprises a support pad and a support cover sleeved on the outside of the support pad.

15. A child safety seat, characterized by: The back support structure comprises the back support structure according to any one of claims 1-14.

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