CN108674264A - A kind of portable inflation child safety seat - Google Patents

Abstract

The present invention is that a kind of portable inflates child safety seat structure of chair, it includes mainly two parts of pedestal and the chair back, pedestal is hard cavity structure, built-in shaft, driving mechanism, inflation mechanism and power supply, the inflatable chair back is soft gas-pocket thereof bag, and one end is connect with the shaft in pedestal, and shaft under the action of the drive mechanism can draw the inflatable chair back from chassis interior, inflation mechanism can inflate the inflatable chair back to form children's seat back portion, and forward-type child safety seat is collectively constituted with pedestal；The inflatable chair back can be driven shaft rotation after losing heart by driving mechanism, and by the inflatable chair back backrush being fixed in shaft to chassis interior, pedestal may act as the use of children's rising cushion under this state.The inflatable child safety seat structure of chair have it is easily operated, facilitate storage and carrying, while the requirement of multiple age bracket children riding security protections can be met.

Description

A portable inflatable child safety seat

technical field

The invention mainly relates to the field of child safety seats, in particular to a portable inflatable child safety seat, which is convenient to use and store, and can protect the safety of children in multiple age groups.

Background technique

Car child safety seat, also known as child restraint system CRS (Child Restraint System), is a seat specially designed for children of different ages (or weights), installed in cars, and can effectively improve the safety of children in cars. The currently popular child safety seats on the market are usually made of blow molding or injection molding. The structure is integral and non-shrinkable. There are problems such as large mass, large volume, and inconvenient portability. In addition, the service life of the safety seat is also relatively short. , usually only suitable for children of a certain age. In recent years, many researchers are engaged in the research and development of various types of convenient child safety seats, such as inflatable child safety seats, but due to the limitations of complex manufacturing processes and inconvenient use, they are still in the conceptual design stage , are not widely used in reality.

Contents of the invention

The purpose of the present invention is to provide a portable inflatable child safety seat, which can inflate and accommodate the back of the seat through a built-in inflatable device and a driving mechanism, and meet the safety requirements of children in vehicles. Improve the convenience of using inflatable seats.

The purpose of the portable inflatable child safety seat of the present invention is achieved in the following way: it is characterized in that the seat consists of a base and a seat back, the base is a hard cavity structure, and a rotating shaft, a driving mechanism, an inflation mechanism and a power supply are built in , the inflatable seat back is a soft air bag, one end of which is connected to the rotating shaft in the base; the inflatable seat back can be inflated by the inflatable mechanism to form the back part of the child seat, and together with the base form a forward-facing child safety seat; the inflatable chair After the back is deflated, the driving mechanism can drive the rotating shaft to rotate, and further drive the inflatable chair back fixed on the rotating shaft to roll back to the inside of the base, which is convenient for the storage and carrying of the seat. At the same time, the seat in this state can be used as a booster seat for children use.

The base material is preferably hard plastic or hard plastic with metal reinforcements; two ISOFIXs are arranged on the lower surface of the base to match the ISOFIX interface of the automobile.

The rotating shaft is provided with a card slot, and the two ends of the rotating shaft are respectively provided with a supporting shaft and a supporting sleeve, and the supporting shaft and the supporting sleeve are respectively supported on a supporting seat with a bearing, and the supporting seat is fixedly connected with the base.

The drive structure includes a motor and a shaft coupling, the shaft coupling respectively connects the motor shaft and the supporting shaft of the rotating shaft, and the motor can drive the rotating shaft to rotate forward and backward.

The inflatable mechanism includes an air pump and a rotating direct head, one end of the rotating direct head is connected to the air inlet of the inflatable chair back, and the port can rotate 360 degrees with the air inlet of the inflatable seat back, and the other end of the rotating direct head is connected to the air pump connected, the port is fixed.

One end of the inflatable chair back is provided with a T-shaped bar, and the T-shaped bar is installed in the slot of the rotating shaft to realize the connection between the inflatable chair back and the rotating shaft, and the air inlet of the inflatable chair back coincides with the axis of the rotating shaft; the inflatable chair A hard plastic shell is arranged on the top of the back, and its shape matches the size and shape of the base opening. After the inflatable chair back is rolled into the base, the hard plastic shell cooperates with the base opening to close it.

The back of the inflatable chair is provided with height adjustment holes for the child restraint belt shoulder straps, preferably the third or fourth gear, and a hard plastic block is arranged between the adjustment holes to prevent the child restraint belt from being pulled inward and strangling the child after being stressed. neck.

When the portable inflatable child safety seat is a forward-facing child safety seat, a five-point restraint strap is used to restrain the child, that is, three fixed points are set on the base (one in the crotch, two on both sides of the crotch), And set a buckle on the child's abdomen; in addition, set two fixed points on the back of the inflatable seat, the shoulder belt of the restraint belt passes through the height adjustment hole of the shoulder belt and connects with the LATCH interface connection belt through the three-way board, and the LATCH hook is connected with the car seat The LATCH interface is connected to realize five-point restraint; when it is a child booster cushion, the car seat belt is used to restrain the child.

The length of the LATCH interface connecting belt is adjustable to realize the tightening of the shoulder belt of the child restraint belt. It is provided with Velcro, which can be connected with the Velcro on the back of the inflatable chair.

Compared with the prior art, the present invention has the advantages of:

1. The portable inflatable child safety seat of the present invention can greatly increase the convenience of use of the inflatable child safety seat, and is convenient to store and occupies a small space;

2. The portable inflatable child safety seat of the present invention can be used by children in a long age range, and has the functions of a forward-facing child safety seat and a booster cushion.

Description of drawings

Fig. 1 is an axonometric view of a portable inflatable child safety seat according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of the layout of the base components of the embodiment of the present invention

Fig. 3 is the schematic diagram of the inflatable chair back of the embodiment of the present invention

Fig. 4 is a schematic diagram of the driving mechanism and the inflation mechanism of the embodiment of the present invention

Fig. 5 is the schematic diagram of the rotating shaft of the embodiment of the present invention

Fig. 6 is a schematic diagram of the connection between the T-bar and the slot of the rotating shaft according to the embodiment of the present invention

Figure 7 is a schematic diagram of the connection between the tee board and the LATCH interface connection belt and child restraint belt in the embodiment of the present invention

illustration

1. Base 2. Inflatable chair back

3. ISOFIX 4. Fixed points on both sides of the base

5. Buckle 6. Crotch fixed point

7. Rotating shaft 8. Inflatable mechanism

9. Driving mechanism 10. Power supply

11. Control button 12. Base opening

13. Hard plastic shell 14. Hard plastic block

15. Vent hole 16. Velcro

17. Shoulder strap height adjustment hole 18. Shoulder strap fixing point

19. Motor 20. Coupling

21. Rotary direct head 22. Air pump

23. Card slot 24. Support shaft

25. Support sleeve 26. Support seat

27. T-bar 28. Tee board

29. LATCH interface connection belt 30. Constraint belt

31. Inflatable seat back air intake hole.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in FIG. 1 , the portable inflatable child safety seat of the present invention mainly includes a base (1) and an inflatable seat back (2).

The base (1) is a hard cavity structure with built-in rotating shaft (7), driving mechanism (8), inflation mechanism (9) and power supply (10), as shown in Figure 2; as shown in Figure 5, the rotating shaft (7) Set the card slot (23) on the top, set the support shaft (24) and the support sleeve (25) at both ends, and the support shaft (24) and the support sleeve (25) are respectively placed on the support seat (26) with bearings Above, the support seat (26) is fixedly connected with the base (1); as shown in Figure 4, the driving mechanism (8) includes a motor (19) and a coupling (20), and the two ends of the coupling (20) are respectively connected to the motor Shaft and support shaft (24), realize that motor (19) drives rotating shaft (7) to rotate; Inflatable mechanism (9) comprises air pump (22) and rotary direct head (21), and the two ends of rotary direct head (21) are connected with air pump ( 22) Connect with the air intake hole (31) of the inflatable chair back (2) to realize the inflation of the inflatable chair back (2); the power supply (10) is a detachable battery that supplies power to the motor (19) and the air pump (22) . The base (1) is preferably made of hard plastic or hard plastic with metal reinforcements; as shown in Figure 1, two ISOFIX (3) are arranged on the lower surface of the base (1) to match the ISOFIX interface of the car to realize the child seat Fixation with car seat.

The inflatable chair back (2) is a soft air bag, and the material is preferably a high-strength fiber material with good air tightness; one end of the inflatable chair back (2) is provided with a T-shaped strip (27), which is connected to the base ( 1) The slot (23) of the inner rotating shaft (7) cooperates to realize the connection between the inflatable chair back (2) and the base (1), as shown in Figure 6; as shown in Figure 3, the inflatable chair back (2) ) is provided with a hard plastic shell (13) whose shape matches the size and shape of the base opening (12). It is closed; the inflatable chair back (2) is provided with a child restraint belt (30) and a height adjustment hole (17) for the shoulder belt, preferably the third gear or the fourth gear, and a hard plastic block (14) is set between the adjustment holes to avoid The child's restraint belt (30) draws inwards and strangles the child's neck after being stressed.

The rotary direct head (21) has two interfaces, the connecting end with the air inlet (31) can be rotated 360 degrees, and the connecting end with the air pump (22) is fixed; the air inlet of the inflatable chair back (2) ( 31) coincides with the axis of the rotating shaft (7), when the inflatable chair back (2) rotates with the rotating shaft (7), the air inlet (31) drives one end of the rotating direct head (21) to rotate, and it is connected to the air pump ( 22) The connection end remains unchanged.

Chair back inflation process:

Press the control button (11) of the driving mechanism (8) on the seat to drive the rotating shaft (7), and draw the inflatable chair back (2) rolled up on the rotating shaft (7) from the cavity of the base (1), After completion, the driving mechanism (8) stops working; then, the inflation mechanism (9) starts to inflate the inflatable seat back (2) to form a soft seat back, which together with the base (1) forms a forward-facing child safety seat.

Chair back recycling process:

The inflatable chair back (2) discharges gas through the vent hole (15), and the driving mechanism (8) drives the rotating shaft (7) to roll the inflatable chair back (2) onto the rotating shaft (7). When the inflatable chair back ( 2) After the hard plastic shell (13) on the top is matched with the base opening (12), the base opening (12) is closed; at this time, the seat can be used as a booster cushion, and it is convenient to store and carry when not in use.

When the portable inflatable child safety seat is a forward-facing child safety seat, a five-point restraint strap is used to restrain the child, that is, three base fixing points are set on the base (1) (one in the crotch, one on both sides of the crotch). Two) (4, 6), and a buckle (5) is set on the abdomen, as shown in Figure 1; as shown in Figure 7, in addition, two shoulder strap fixing points (18 ), the restraint strap (30) and the shoulder strap pass through the shoulder strap height adjustment hole (17) and connect with the LATCH interface connection belt (29) through the tee plate (28), and the LATCH hook is connected with the car seat LATCH interface to realize the five-point Restraint; the length of the LATCH interface connection belt (29) is adjustable to realize the tightening of the shoulder belt of the child restraint belt (30). There is a Velcro (16) on it, which can be combined with the Velcro ( 16) Connect. When it is a booster cushion for children, the car safety belt is used to restrain the child.

The general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A portable inflatable child safety seat consists of a base (1) and a seat back (2). The base (1) is a hard cavity structure with a built-in rotating shaft (7), a driving mechanism (8), Inflatable mechanism (9) and power supply (10), the inflatable chair back (2) is a soft air bag, one end of which is connected to the rotating shaft (7) in the base (1), and the rotating shaft (7) is under the action of the driving mechanism (8) The inflatable seat back (2) can be drawn out from the inside of the base (1), and the inflatable mechanism (9) can inflate the inflatable seat back (2) to form the back part of the child seat, which together with the base (1) forms a forward-facing seat Child safety seat; after the inflatable seat back (2) is deflated, the driving mechanism (8) can drive the rotating shaft (7) to rotate, and the inflatable seat back (2) fixed on the rotating shaft (7) can be rolled back to the base ( 1) Inside, in this state the base (1) can be used as a booster seat for children. 2. A portable inflatable child safety seat according to claim 1, characterized in that the material of the base (1) is preferably hard plastic or hard plastic with metal reinforcements; the lower surface of the base (1) is provided with two One ISOFIX (3), matching with the car ISOFIX interface. 3. A portable inflatable child safety seat according to claim 1, characterized in that the rotating shaft (7) is provided with a card slot (23), and the two ends of the rotating shaft (7) are respectively provided with a support shaft (24) and a support The sleeve (25), the support shaft (24) and the support sleeve (25) are respectively supported on the support seat (26) with bearings, and the support seat (26) is fixedly connected with the base (1). 4. A portable inflatable child safety seat according to claim 1, characterized in that the driving structure includes a motor (19), a coupling (20), and the coupling (20) connects the motor shaft and the rotating shaft ( 7) the support shaft (24), the motor (19) can drive the rotating shaft (7) to rotate forward and reverse. 5. A portable inflatable child safety seat according to claim 1, characterized in that the inflatable mechanism (9) includes an air pump (21) and a rotating direct head (20), and one end of the rotating direct head (20) is connected with the inflatable The air inlet (31) of the inflatable chair back (2) can be connected with this port, and the port can rotate 360 degrees with the air inlet (31) of the inflatable chair back (2), and the other end of the rotating direct head (20) is connected with the air pump (21) , the port is fixed. 6. A portable inflatable child safety seat according to claim 1, characterized in that one end of the inflatable seat back (2) is provided with a T-shaped bar (27), and the T-shaped bar (27) is installed on the rotating shaft (7) The connection between the inflatable chair back (2) and the rotating shaft (7) is realized in the card slot (23) of the inflatable chair back (2), and the air inlet (31) of the inflatable chair back (2) coincides with the axis of the rotating shaft (7); the inflatable chair back The top of (2) is provided with a hard plastic shell (13), whose shape matches the size and shape of the base opening (12). After the inflatable chair back (2) is rolled into the base (1), the hard plastic shell (13) and the base The opening (12) is matched to make it closed; the inflatable chair back (2) is provided with a vent hole (15). 7. A portable inflatable child safety seat according to claim 1, characterized in that child restraint belts (30) and shoulder belt height adjustment holes (17) are provided on the inflatable seat back (2). A hard plastic block (14) is set to limit the child restraint belt (30). 8. A portable inflatable child safety seat according to claim 1, characterized in that when the base (1) and the inflatable seat back (2) together form a forward-facing child safety seat, a five-point child safety seat is adopted. Restraint belt (30) restrains children, three fixed points (one in the crotch, two on both sides of the crotch) (4, 6) are set on the base (1), two fixed points are set on the inflatable chair back (2) ( 18), the shoulder belt of the restraint belt (30) passes through the shoulder belt height adjustment hole (17) and connects with the LATCH interface connection belt (29) through the tee plate (28), and the LATCH hook is connected with the car seat LATCH interface to realize five points When the inflatable seat back (2) is rolled into the base (1), the base (1) is used as a booster seat for children, and the car seat belt is used to restrain the child. 9. The LATCH interface connection belt (29) according to claim 8, its length is adjustable to realize the tightening of the shoulder belt of the child restraint belt (30), and there is a Velcro (16) on it, which can be used with an inflatable chair Velcro (16) connection on the back (2).