RU69815U1 - CHILD HOLDING DEVICE - Google Patents

Abstract

A child restraint is a passive safety device for children from 4 years old (height from 110 cm) used in vehicles complete with standard seat belts with fastening at three points. The device comprises a housing in the form of a symmetrical trapezoidal panel with two valves closing the channels for the waist and shoulder harnesses, converging in the direction from the rear edge of the housing to the front. The panel can be made integrally with the valves or separately from them.

The case is fabric with an inner layer of rubberized fabric "taffeta" with a rubberized layer outward and a filler made of polyurex foam and isolon foam. Or the case is made of polymeric material, the inner surface of the channels in which is made rough ("shagreen leather"). A combination of materials is possible. Fastening means - buttons / buttons / Velcro tape / Zipper tape / Rotary locks are chosen optimal for the material. In connection with an increase in the reliability of fixing the device on seat belts and a decrease in the load on detachable fasteners, the safety and ease of use of the device are increased. At the same time, the lifespan, usability and manufacturability are increased. 1 n and 10 z.p. f-ly, 17 ill.

Description

A child restraint is a passive safety device for children from 4 years old (estimated height from 110 cm) used in vehicles. In particular, it concerns the design of the device, which is used in conjunction with the standard seat belts with fastening at three points.

In the prior art, special restraint devices are known for children from 4 years old, which, together with standard three-point seat belts, having a waist and shoulder belts, were used to remove a diagonally elongated shoulder harness from the child’s face and neck. The known devices have a complex structure, therefore, have not found wide application (see Canadian patents 2310865 from 10/14/1999, US 0033102 from 10/25/2001).

The closest in technical essence and the achieved result is a child restraint (shoulder strap adjuster for the car seat belt system) complete with standard seat belts with three-point fastening, which performs the function of keeping the child in a safe state in all traffic situations. The known device comprises a housing of a pair of facing each other panels, permanently connected in the central part and forming two channels outside the central part for passage, respectively, of the waist and shoulder harnesses. The known device further includes fastening means (Velcro fasteners) located along two lines forming the outer edges of the panels and overlapping each channel of the corresponding

belt. Both panels are generally triangular or diamond-shaped, and both channels converge in the direction from the trailing edge to its leading edge. The panels are made of rigid material with shock absorbers or of hardened shock-absorbing material (see patent GB 2349364 of 04/26/1999, patent EP 1048535 published date 02.11.2000).

The known restraint device is well suited for its purpose - to hold the child in an emergency situation fastened to the standard seat belts by maintaining the direction of the diagonally elongated seat belt through the middle of the shoulder, preventing it from sliding to the child’s face or neck. However, the known device does not provide measures to prevent the housing of the holding device from sliding along the belts, which may reduce its reliability and safety for the child. The known design is also not reliable due to the fact that detachable fastening means located along the edges of the housing and experiencing in extreme situations an increased load from the pressure of the belts can be unfastened. In addition, due to the asymmetric shape, when changing the right seat to the left housing of the known device must be rotated 180 degrees. around the vertical axis. As a result, both panels, pressing to the body with either the front or the back side, work to bend either one or the other side, which leads to quick wear of the product, loss of shape and presentation.

The task is to increase the safety and ease of use of the device.

The technical result of improving safety and ease of use is achieved by increasing the reliability of fixing the device on seat belts, halving the load on detachable fasteners due to transferring them from the edge to the center of the case and the symmetrical shape of the case, which allows changing

the right seat to the left do not change the front side, improving the presentation and increasing the service life.

A child restraint is proposed that is used in conjunction with standard three-point seat belts, including a waist and shoulder belts, comprising a central body with two channels along the edges for the waist and shoulder belts, converging in the direction from the rear edge of the body to the front, and detachable fastening means overlapping each channel of the corresponding belt, in which, according to the invention, the casing is made in the form of one symmetrical panel and two valves closing the said channels, inside which friction surface (or an entire panel) formed with an increased coefficient of friction.

In the claimed device, the panel of the housing can be made integral with the valves. For convenience, bend lines are made on such a panel parallel to the side edges at a distance of not less than the width of the respective seat belts (+ tolerance). Then the edges of the panel, bent along the fold line and fastened to the central part, form channels for laying seat belts. For a variant of valves separate from the panel, the valves are rigidly connected to the edges of the panel, and detachably to its central part (with the worst result, the valves can be rigidly connected to the central part of the panel and detachably to the edges of the panel).

In an optimal embodiment of the device, the panel in closed form is generally trapezoidal in shape, but may also have another symmetrical shape.

For an embodiment of a fabric panel with shock absorbing filler, detachable fastening means are fasteners on buttons / buttons / Velcro tape / Zipper tape.

For an embodiment of a panel of polymeric material, detachable fastening means are button fasteners / buttons / rotary locks.

Figure 1 shows a drawing of a prototype device.

Figure 2 shows a drawing of the inventive device with a panel made of cloth with filler at the same time with valves and fastening means - buttons / buttons;

Figure 3 is the same scan;

Figure 4 shows a drawing of the inventive device with a panel made of cloth with filler at the same time with valves and means of attachment - Velcro tape;

Figure 5 is the same scan;

Figure 6 shows a drawing of the inventive device with a panel made of cloth with filler at the same time with valves and means of attachment - fasteners "lightning".

In Fig.7 - the same scan;

On Fig - the inventive device with a panel made of a polymeric material at the same time with valves and fastening means - buttons / buttons / rotary locks;

Figure 9 is the same scan;

In figure 10.11 - the same with another version of the panel.

On Fig - the inventive device of a polymeric material with a panel made integrally with the valve.

On Fig - the inventive device of a polymer material with two separate valves connected to the edges of the panel rigidly (rivets), with a central part detachable (buttons / buttons / rotary locks). The same design can be cloth or combined.

On Fig shows a detachable means of fastening the panel with the valve "buttonhole" (for fabric and polymeric material).

Pa Fig. 15 shows another embodiment of a detachable panel fastening means with a buttonhole button (for fabric and polymer material).

In Fig.16 shows a detachable means of fastening the panel with the valve "rotary lock" (for polymeric material).

In Fig.17 - the same with the truncated head of the rotary lock.

Figure 1 presents the drawing of the prototype, consisting of two identical fabric with shock absorbing filler panels 1, stitched together in the center and reinforced with rivet 2. Buttons 3 on the edges - detachable. The inventive child restraint device according to figure 2, 3 is made in the form of a single symmetrical panel 4 at the same time with the valves 5 of hardened material, for example, from a dense fabric with shock absorbing filler. Buttons / buttons 6 are fixed along the edges of the valves 5, the counterparts of which are located on the central part so that when fastening them along the edges of the panel 4, channels 7, 8 are formed for fitting standard belt 9 and shoulder 10 seat belts. Since the design is symmetrical, when changing the right seat to the left, the channels for the waist and shoulder seat belts are interchanged by turning the case clockwise (or counterclockwise). Due to this, the front side of the body always remains the front. For ease of bending, the filler is made of two layers. One continuous layer, for example, of foam, the second layer of isolon foam, is interrupted on the bend lines 11, so the thickness of the filler on the bend lines is less. The device according to Fig. 4,5 differs from the previous one by a change in the means of fastening to the Velcro tape. The tape "loop" 12 is fixed on the Central part, and the tape "hooks" 13 - at the edges (or vice versa).

The device of FIG. 6,7 differs from the two previous by changing the means of fastening to the tape "lightning" 14. On Fig, 9 shows a device in which the panel 15 is made of polymeric materials integral with the valves 16. Changing the shape of the panel 15 and valves 16 figure 10, 11 due to the saving of polymer material. The folding lines on the polymer material are formed by reducing the thickness at the junction of the panels 15 and the valves 16. In Fig.12 - the inventive device is made of polymer material, in which the entire body is molded along with the valve, and the valve is given a shape curved towards the panel, which ensures tight tightening of seat belts between valves and the panel. In Fig.13 - the inventive device is made of a polymeric material with two separate valves connected to the edges of the panel rigidly and demountably with its central part. The same design can be cloth or combined. For all fabric options, buttons / buttons / velcro / zipper ribbons can be used as detachable fasteners, buttons / buttons / thumbtacks for all polymer options. For one-piece connection, fabric parts can be stitched, polymer parts can be riveted. With a combination of materials (fabric-polymer), the optimal type of fastener is selected. On Fig-15 depict options for detachable fastening means, on Fig - loop 17 with a button 18, cast at the same time with the panel 15 (which can also be made of other material and riveted), Fig - variant loop 19 with riveted button 20 (which can also be cast along with panel 15). On Fig-17 shows the options for the rotary locks 21, 22. For Fig.2-7 (fabric options), it is practical to make the inner layer of the entire panel of rubberized fabric, for example, fabric "taffeta" 190T PU R / Stop, rubberized layer outward. For Figs. 8-13

(options from a polymeric material) it is practical only to make a “shagreen” surface on the inside of the channels.

The work of the proposed child restraint device involves following the instructions for use of this product. Since the product is intended for children, we seat the child tightly with his back to the back of the chair. Fasten your seat belt. Having unfastened the fastening means of the button / Velcro tape / zipper, we put the belt 9 and shoulder 10 belts into the corresponding channels of the device, making sure that the belts do not twist. Having fastened the channels 7, 8, we tighten the shoulder strap 10 so that it passes through the middle of the child’s shoulder and does not have slack. The waist part of the body should lie at the level of the hips (but not above the waist) of the child. When changing the right seat to the left housing of the device, turn clockwise (or counterclockwise) without changing the front side. The child is ready for the trip. Due to the increased coefficient of friction on the inner side of the channels 7, 8 (or on the inner side of the entire panel 4) and the reduction of pressure on the detachable fastening means, the device is tightly held in its original position and will not allow the shoulder strap to move towards the neck or with any shocks in vehicles persons, thereby ensuring the safety of travel for the child.

Compared with the prototype of the inventive child restraint device has the following advantages. Since the inner surface of the channels is made with a high coefficient of friction, And detachable fastening means are moved from the edge to the center, the quality of the operational characteristics - safety and ease of use - due to the reliability of fixing the device on standard seat belts and halving the pressure on the detachable fastening means - it rises sharply, which is very important for the child.

In addition, the embodiment of the panel at the same time with the valves is more technologically advanced, as it is made from one stitched fabric panel or molded on injection molding machines, and the panel version with two separate valves saves material, which results in cheaper products and the symmetrical shape of the case allows the product to retain its marketable condition for a long time type and duration of its operation.

Claims (11)

1. The Danish restraint used in conjunction with standard three-point seat belts, including a waist and shoulder belts, comprising a central body with two channels along the edges for the waist and shoulder belts, converging in the direction from the rear edge of the body to the front, and detachable fastening means overlapping each channel of the corresponding belt, characterized in that the housing is made in the form of one symmetric panel and two valves closing the said channels, the inner surface which are made with a high coefficient of friction. 2. The device according to claim 1, characterized in that the panel is made integral with the valves. 3. The device according to claim 2, characterized in that fold lines are made on the panel parallel to the lateral edges at a distance of not less than the width of the respective seat belts. 4. The device according to one of paragraphs.2 and 3, characterized in that the edges of the panel are bent along the fold line and fastened to the central part. 5. The device according to claim 1, characterized in that the valves are rigidly connected to the edges of the panel, and detachably with its central part. 6. The device according to claim 1, characterized in that the valves are rigidly connected to the Central part of the panel, and detachable - with the edges of the panel. 7. The device according to claim 1, characterized in that the panel when closed is generally trapezoidal. 8. The device according to claim 1, characterized in that the panel is made of cloth with shock absorbing filler. 9. The device according to claim 8, characterized in that the detachable fastening means are fasteners on buttons / buttons / Velcro tape / Zipper tape. 10. The device according to one of claims 1 and 2, characterized in that the panel is made of a polymeric material. 11. The device according to claim 6, characterized in that the detachable fastening means are button fasteners / buttons / rotary locks.