TWI558585B - Full cover of light infantry safety seats - Google Patents

Description

Fully covered lightweight child safety seat

The invention relates to a full-clad or integral foaming child safety seat structure; in particular, a tissue design such as a rubber shell or a hard layer is arranged on the inner end surface and the outer end surface of the foam cushioning material, so that The technical means of integrally forming the foaming cushioning material and the rubber shell or the hard layer.

It is known to use a foamed plastic or foaming material combination cushion such as polystyrene, amine potassium carbonate, or a hard chassis to form a child safety seat to prevent the danger of impact on infants and young children. skill. For example, US 7726734 B2 "Juvenile Seating With Resilient Side Impact Protection", US 5615927 "Seat For Child-care Implement", US 5385385 "Child's Automotive Safety Booster Seat With A View" patent case, etc., provides a typical implementation. example.

One of the subjects of making such a baby safety seat is to achieve the structural strength and shock absorption or cushioning effect of such a safety seat; the thickness of the baby seat made of the foamed cushioning (or expansion) material usually becomes It is very thick and makes its manufacturing work more troublesome. For example, US Pat. No. 5,615,927 discloses a technique of using a three-layered foam material; US Pat. No. 5,385,385 discloses a safety seat having a very thick cushion portion.

In order to improve the above situation, an old application foaming buffer has also been disclosed. A combination of materials or a means of covering a hard chassis (or plastic casing). However, such an embodiment is relatively easy to damage the foam cushioning material (during use) because the foam cushioning material is exposed to the exterior.

In order to reduce this situation, it is also equipped with a cushion assembly on the exterior of the foam cushioning material; however, as is known to those skilled in the art, it also increases the manufacturing cost and the trouble of fitting work. Sex. Moreover, for the user, the weight of the safety seat can not be effectively alleviated, and the carrying process causes a large burden, which greatly affects its practicability, and this situation is not what we expect. of.

Typically, these references show the skill in designing the structure of the child safety seat; they also reflect the fact that the design and production considerations of the safety seat structure are still not ideal. If the design of the safety seat is considered to be more solid and lightweight, and different from the conventional one, it will change its production and processing type, which is different from the old method; in essence, it will also improve. The shortcomings of conventional skills. These topics include the following considerations:

1. The overall thickness of the safety seat or body made of the foamed cushioning (or expansion) material should not be too thick to ensure that the safety seat is too large, provided that it has sufficient impact strength (or cushioning). Heavy or bulky, not conducive to carrying or extracting.

2. In the case of comfort, the installation of the cushion or its related components and the safety seat should be minimized as much as possible; in order to reduce the cost of manufacturing and fitting the safety seat. Especially in the case of a large number of workpieces, those situations that significantly slow down the production efficiency of the safety seat will be significantly improved.

3. The safety seat or body made of the foaming cushioning material must be ideally protected; especially in the case of damage or injury during use, it should be minimized as much as possible to affect the foaming cushioning material. The case of shock absorption or cushioning is minimized.

That is to say, if the means for integrally molding the safety seat can be provided and the tissue structure completely covering the foaming cushioning material can be provided, the unsatisfactory situation of the prior art and the above considerations can be solved; None of the above patents have been taught or disclosed.

Therefore, the main object of the present invention is to provide a full-coverage lightweight child care seat which is capable of improving the difficulty in manufacturing control of the prior art, the trouble of fitting, and the inability to effectively reduce the weight. The invention comprises a first hard layer and a second hard layer, and a body (or a buffer portion) coated between the first hard layer and the second hard layer; Formed with a buffering effect. The system defines an inner end surface, an outer end surface, and a wall formed on the periphery of the body; the first hard layer is coated on the inner end surface of the body; the second hard layer is coated on the outer surface of the body; The foamed intumescent material (or body) forms a tight composite state with the first and second hard layers to improve the weight of the conventional safety seat and the difficulty in carrying it.

According to the fully covered lightweight child safety seat of the present invention, the first hard layer and/or the body and/or the second hard layer are arranged with guide grooves to assist in increasing the compression resistance of the safety seat or the body or Load strength. And the first hard layer and/or the body and/or the second hard layer are arranged with a plurality of air holes in the path of the guiding groove, Helps increase the safety seat to carry the breathability of infants and young children.

Essentially, the above-described channels and vents establish a path and mechanism for directing air flow or exclusion. That is, the body and the first and second hard layers are disposed together in a module, and the expansion (or buffer) material forces the air in the module to flow along the guide groove when performing the heating integral molding operation. Then, the module is discharged from the air vent.

According to the fully covered lightweight child safety seat of the present invention, the height of the wall formed in the peripheral region of the body is at least equal to one third of the width of the body; to establish the protection of the wall, so that the wall can be Auxiliary covering the person carried on the body.

According to the fully covered lightweight child safety seat of the present invention, the first hard layer defines an upper surface and a lower surface; and the lower surface is formed with at least one rib. The rib is assembled with an anchor member, and the body and the first hard layer are disposed together in the module to assist in anchoring the foamed expansion material (or body) to perform the body and the body. The first hard layer forms a more stable bonding state; and, the structural strength of the first hard layer and the body is increased.

10‧‧‧First hard layer

11, 21‧‧‧ upper surface

12, 22‧‧‧ lower surface

13, 23‧‧‧ fixed department

14‧‧‧ ribs

20‧‧‧Second hard layer

30‧‧‧Ontology

31‧‧‧ inside end

32‧‧‧Outer end face

33‧‧‧Mate

40‧‧‧ Guide slot

40’‧‧‧

45‧‧‧ stomata

50‧‧‧ Anchor

60‧‧‧提提

100‧‧‧Safety seat

101‧‧‧ Back area

102‧‧‧Sitting area

103‧‧‧ wall

104‧‧‧Edge part

105‧‧‧through hole

106‧‧‧ pivotal department

Χ‧‧‧lateral reference axis

Figure 1 is a schematic view of the appearance of the safety seat of the present invention; the imaginary line portion of the figure depicts the situation in which the safety seat combination is lifted.

Figure 2 is a schematic exploded view of the structure of the present invention; showing the first and second hard layers and the body.

Fig. 3 is a schematic cross-sectional view showing the structure of the present invention; the combination of the first hard layer fixing portion and the body fitting portion is also depicted.

Figure 4 is a cross-sectional view showing another structure of the present invention; showing the case where the first and second hard layers cover the body.

Figure 5 is a cross-sectional view showing still another structure of the present invention; the first hard layer combination anchor is depicted in a state in which the body is combined with the body.

Figure 6 is a cross-sectional view showing still another structure of the present invention; the case where the protrusion combination anchor of the first hard layer is combined with the body to form an integral state.

Referring to Figures 1, 2 and 3, the fully covered lightweight child care seat of the present invention is indicated by reference numeral 100. The safety seat 100 includes a first hard layer 10 and a second hard layer 20, and a body (or buffer) 30 wrapped between the first hard layer 10 and the second hard layer 20. In the embodiment taken, the first hard layer 10 and the second hard layer 20 tend to select the shape of a plastic housing. And, the body 30 is formed by a foaming buffer (shock absorber) material and has a buffering effect; for example, EPS, EPO, EPP, EPU, or the like.

In principle, the safety seat 100 is divided into a back region 101 and a seat region 102 according to the position of the loader; and the two sides or the periphery (area) of the safety seat 100 (or the body 30) are respectively formed. There is a wall 103 and an edge portion 104. The wall 103 is used to protect personnel carried inside the safety seat 100, such as infants and young children.

The imaginary line portion of Fig. 1 shows that the safety seat 100 is provided with a pivoting portion 106 at the position of the wall 103 for pivoting a handle 60 to form a rotatable type.

2 shows, in particular, the body 30 defines an inner end surface 31 and an outer end surface 32; the first hard layer 10 is coated on the inner end surface 31; the second hard layer 20 is coated on the The outer surface 32 of the outer body forms a tight composite state with the first and second hard layers 10 and 20 to improve the weight of the conventional safety seat and is difficult to carry. .

In the embodiment taken, the edge portion 104 of the safety seat 100 is such that the edge portion 104 of the first hard layer 10 (and/or the second hard layer 20) is wrapped around the edge portion 104 of the body 30. Composition. Thus, the edge portion 104 also provides the effect of applying an elastic band to secure the cushion.

Referring to FIG. 2, in a preferred embodiment, at least the first hard layer 10 and/or the body 30 and/or the second hard layer 20 are provided with guide grooves 40 to assist in increasing the safety seat 100 ( Or the compressive or load strength of the body 30). And the first hard layer 10 and/or the body 30 and/or the second hard layer 20 are arranged with a plurality of air holes 45 in the path of the guiding slot 40 to assist in increasing the safety seat 100 for carrying infants and young children. Breathability.

Essentially, the aforementioned channels 40 and vents 45 establish a path and mechanism for directing air flow or removal. That is to say, the body 30 and the first and second hard layers 10, 20 are disposed together in a module (not shown), and the foaming buffer (or expansion) material is forced when performing the heating integral molding operation. The air in the module flows along the guide channel 40 and then exits the module from the air vent 45. That is, between the body 30 and the first and second hard layers 10 and 20, the foamed material is directly foamed in the first and second hard layers 10 and 20 to form the body 30 to be composited. Into a whole.

In the embodiment taken, the arrangement of the guide groove 40 on the safety seat 100 (or the body 30 or the first hard layer 10 or the second hard layer 20) is a plurality of shallow grooves partially parallel and The intersecting organization forms a combination of Y and X-shaped shapes and extends to the area of the wall 103.

In a derivative embodiment, the first and second hard layers 10, 20 can be bonded to the body 30 in an integrated state.

In a preferred consideration, the safety seat 100 defines a lateral reference axis; assuming the transverse reference axis χ as a reference line, the wall 103 formed in the peripheral region of the safety seat 100 (or body 30) The height is at least equal to one-third of the width of the safety seat 100 (or the body 30); to establish the protection of the wall 103, the wall 103 can be assisted to be carried on the safety seat 100 (or the body 30) Infants and young children.

Referring to Figures 2, 3 and 4, the first hard layer 10 (or the second hard layer 20) defines an upper surface 11 (or 21) and a lower surface 12 (or 22); the lower surface 12 ( Or the upper surface 21) of the second hard layer 20 is provided with a plurality of fixing portions 13 (or 23). Corresponding to the fixing portion 13 (or 23), the body 30 is formed with a plurality of fitting portions 33 opposite to each other. Therefore, when the first hard layer 10 (or the second hard layer 20) and the body 30 are combined or combined, the fixing portion 13 (or 23) is combined with the fitting portion 33 to assist in fixing the first hard layer 10 (or the second hard layer 20) and the combined form of the body 30.

In the embodiment taken, the fixing portion 13 (or 23) is formed in a shape similar to a convex portion or an anchor; therefore, the fitting portion 33 of the body 30 is formed into a concave cavity. When the body 30 is foamed and expanded in the module, the foaming material of the body 30 covers the fixing portion 13 (or 23) to form the shape of the fitting portion 33. It can be understood that the fixing portion 13 (or 23) and the fitting portion 33 are disposed at the position of the seat back region 101; they may also be disposed on the seat portion 102 or the area of the wall 103.

In a derivative embodiment, the securing portion 13 (or 23) can be formed in a pattern similar to a dimple; in contrast, the mating portion 33 of the body 30 can be shaped like a protrusion or anchor.

In order to increase the ventilation effect when the safety seat 100 carries a person, the safety seat 100 is also provided with a through hole 105 in the region of the back region 102. In a possible embodiment, the through holes 105 of the first hard layer 10 and/or the second hard layer 20 are similar to the shape of the column holes, so that they can cover the through holes 105 formed on the body 30. The coating pattern also increases the fixing effect and stability of the combination of the first and second hard layers 10, 20 and the body 30.

Referring to FIG. 5, in a derivative embodiment, the lower surface 12 of the first hard layer 10 (or the upper surface 21 of the second hard layer 20) is formed with at least one rib 14. The rib 14 is assembled with an anchor 50. When the body 30 and the first hard layer 10 (and/or the second hard layer 20) are disposed together in the module, the heating is performed integrally. The foaming buffer material expands to form the body 30, which not only forms a tight bond between the body 30 and the anchor 50; but further utilizes the internal pressure formed by the expansion of the foam to promote the anchor 50 and the first An excellent bonding force is formed between the hard layers 10 to achieve a more stable bonding state between the body 30 and the first hard layer 10. At the same time, the overall structural strength of the first and second hard layers 10, 20 and the body 30 is increased. . In the embodiment taken, the anchor 50 is formed in a π-like configuration.

Referring to FIG. 6, an embodiment of the guide 40 assembly anchor 50 is depicted; the guide 40 is formed on the upper surface 11 of the first hard layer 10 and oppositely opposite the guide 40; 12 forms a pattern similar to the rib or projection 40' (or a configuration in which the upper surface 21 of the second hard layer 20 corresponds to the position of the guide groove 40 to form a rib or protrusion). Thus, the anchor 50 can be combined on the rib or protrusion 40'; in addition to achieving the auxiliary anchoring of the foam cushioning material (or body 30) as described above, the body 30 and the first hard layer 10 (or second The hard layer 20) forms a more stable bonding state; and, increases the structural strength of the first hard layer 10 (or the second hard layer 20) and the body 30. In the embodiment employed, the anchor 50 can also form a scorpion-like configuration.

It should be noted that, after the anchor member 50 and the rib 14 (or the protrusion 40') are initially combined, the foamed cushioning material is heated and expanded, and the foaming cushioning material generates a force of expansion and compression (or Pressing the anchor 50 and the rib 14 (or the protrusion 40') to form a foamed cushioning material (or body 30) and the first hard layer 10 (or the second hard layer 20) in a firm bonded state; The overall structural strength of the first hard layer 10 (or the second hard layer 20) and the body 30 is increased, and the manufacturing thickness of the body 30 can be reduced as much as possible, so that the overall volume of the safety seat 100 is made. And weight is minimized. At the same time, as the structural shape or material of the combined anchor 50 is adjusted, different structural strength requirements can be achieved to adapt to the conditions of different use occasions, so that the safety seat 100 can be manufactured more flexibly. Sex.

Typically, this fully covered lightweight child safety seat has the following considerations and advantages over the old method:

1. The structure of the safety seat 100 has been redesigned to make it different from the conventional ones; and it has also changed its manufacturing and processing style, which is different from the old one. For example, the safety seat 100 includes a first hard layer 10 and a second hard layer 20, and the first and second hard layers 10, 20 are co-coated or integrally formed to form a foaming buffer (or shock absorbing) material. The body 30.

2. The body 30 combines the structural form of two hard layers (ie, the first and second hard layers 10, 20 cover the body 30), and under sufficient conditions of impact strength (or buffering), The thickness of the safety seat 100 or the body 30 made of the foam cushioning material can be made thinner than the conventional one. Therefore, a significant improvement is obtained in the case where the old law provides sufficient strength to cause the safety seat to be too thick, too heavy or too bulky to be carried or extracted.

3. The first and second hard layers 10, 20 cover the structural form of the body 30, and the edge portion 104 provides the function of directly applying the cushion of the elastic band or the related components thereof, in the presence of comfort. The fitting work of the safety seat 100 is minimized as much as possible; at the same time, the conventional technique is used to fix the cushion with a plastic hook piece to fix the cushion to the safety seat.

4. Moreover, the means for integrally molding the first and second hard layers 10, 20 and the body 30 in the module is compared with the old method, so that the cost of manufacturing and fitting the safety seat is exhausted. It is possible to minimize it. Especially in the case of a large number of workpieces, those cases which significantly slow down the production efficiency and quality of the safety seat have also been significantly improved.

5. The first and second hard layers 10, 20 cover the structural form of the body 30, so that The safety seat 100 or the body 30 constructed of the foamed expandable material is generally protected by a user. In particular, during use, the body 30 covered by the first and second hard layers 10, 20 is damaged or damaged, and is minimized as much as possible; at the same time, the shock absorption affecting the foamed expansion material is also caused. Or the case of buffering is minimized.

6. The structure of the body 30 covered by the first and second hard layers 10, 20 or integrally foamed, provides a complete technique of coating the foaming cushioning material; the safety seat in the old method has More seams or gaps, and easy to accumulate dirt, are minimized as much as possible. Moreover, the structure in which the body 30 is completely covered by the first and second hard layers 10, 20 is more advantageous for performing cleaning or cleaning operations.

7. The first and second hard layers 10 and 20 cover the structure of the body 30, and are allowed to be applied by printing, pasting, co-pressing, etc., in combination with various face materials (for example, cloth, rubber, etc.) or patterns. The layering effect or design effect of the safety seat 100 is increased.

8. Assuming that the safety seat 100 falls into the water due to an accident, the plurality of air holes 45 provided in the safety seat 100 allow a part of the water to enter the safety seat 100, so that the safety seat 100 is balanced and does not cause Overturned situation; provides protection for the safety of the loader.

Therefore, the present invention provides an effective full-coverage lightweight child safety seat, which is more ideal in construction and organization than the conventional ones, and has the functions and unmatched advantages of the old method. Shows considerable progress.

However, the above is only a possible embodiment of the present invention, and is not intended to be used. The scope of the present invention is defined by the scope of the invention as defined by the scope of the invention.

10‧‧‧First hard layer

11‧‧‧ upper surface

12, 22‧‧‧ lower surface

20‧‧‧Second hard layer

23‧‧‧ Fixed Department

30‧‧‧Ontology

31‧‧‧ inside end

32‧‧‧Outer end face

33‧‧‧Mate

40‧‧‧ Guide slot

45‧‧‧ stomata

100‧‧‧Safety seat

101‧‧‧ Back area

102‧‧‧Sitting area

103‧‧‧ wall

104‧‧‧Edge part

105‧‧‧through hole

106‧‧‧ pivotal department

Claims (24)

A full-coverage lightweight child safety seat defines a back area, a sitting area, and a lateral reference axis; the two sides of the safety seat are respectively formed with a height at least equal to the safety seat a wall having a width of more than one third; the safety seat further includes: a first hard layer defining an upper surface and a lower surface; a second hard layer defining an upper surface and a lower surface; and a foaming The body formed by the material is completely coated between the first hard layer and the second hard layer; the system defines an inner end surface and an outer end surface; the first hard layer is covered in the body The second hard layer is coated on the outer surface of the body, and the body is combined with the first and second hard layers to form an integral state. The fully covered lightweight child safety seat according to claim 1, wherein the peripheral portion of the safety seat is formed with an edge portion. The fully covered lightweight child safety seat according to claim 2, wherein the edge portion of the safety seat is such that the edge portions of the first hard layer and the second hard layer are covered The edge portion of the body is formed. The fully covered lightweight child care seat of claim 1, wherein the first hard layer, the second hard layer and the body are disposed on at least one of the first hard layer, the second hard layer and the body. The fully covered lightweight child care seat of claim 4, wherein the guide channel is provided with at least one air hole in the path. The full-cover lightweight child safety seat according to claim 4, wherein the guiding groove is arranged in a plurality of shallow grooves to form a Y and X shape in a partially parallel and intersecting manner. The combined form and extends to the area of the wall. The fully covered lightweight child safety seat according to claim 1 or 3, wherein the foaming material is directly in the first body between the body and the first and second hard layers. Foaming occurs in the two hard layers to form the body to be composited into one body. The full-cover lightweight child safety seat according to claim 1 or 3, wherein the first and second hard layers are bonded to the body in an integrated state. The full-coverage lightweight child safety seat according to claim 1, wherein the safety seat is provided with a pivoting portion at the position of the wall, pivotally connected with a handle to form a rotatable freely Type. The full-cover lightweight child safety seat according to claim 1, wherein the lower surface of the first hard layer is provided with a plurality of fixing portions; and the body is formed with a plurality of fittings unit. The full-cover lightweight child safety seat according to claim 1, wherein the upper surface of the second hard layer is provided with a plurality of fixing portions; and the body is formed with a plurality of fittings unit. The full-cover lightweight child safety seat according to claim 10 or 11, wherein the plurality of fixing portions respectively form a convex portion; and the plurality of fitting portions respectively form a concave shape state. The fully covered lightweight child safety seat of claim 12, wherein the plurality of fixing portions and the plurality of fitting portions are disposed at a position of the back region of the safety seat. A fully covered lightweight child safety seat as described in claim 1; The safety seat is provided with a through hole in the area of the back area. The full-cover lightweight child safety seat according to claim 14, wherein the first hard layer and/or the second hard layer and the system are provided with a through hole; the through hole A type of column hole. The fully covered lightweight child care seat of claim 1 or 3, wherein at least one of the first hard layer and the second hard layer is formed with at least one rib. The fully covered lightweight child safety seat of claim 16, wherein the rib is assembled with an anchor. The fully covered lightweight child safety seat according to claim 17, wherein the anchor member forms a π type. The fully covered lightweight child safety seat according to claim 12; wherein the fixing portion and the fitting portion are disposed at a position of the seat portion of the safety seat. The fully covered lightweight child safety seat according to claim 12, wherein the fixing portion and the fitting portion are disposed at a position of a wall of the safety seat. The fully covered lightweight child safety seat according to claim 4, wherein the guide groove is formed on the upper surface of the first hard layer and forms a protrusion relative to the lower surface. . The fully covered lightweight child safety seat of claim 4, wherein the upper surface of the second hard layer forms a protrusion. A fully covered lightweight child care seat as claimed in claim 21 or 22; wherein the protrusion is combined with an anchor. The fully covered lightweight child safety seat of claim 23, wherein the anchor member forms a squat-like type.