CN107554363A - A kind of safety seat and its connection method with car belt - Google Patents

Abstract

The invention discloses a safety seat and a connection method thereof with an automobile safety belt. The safety seat includes a seat back, a seat and a headrest. The headrest is arranged on the seat back. The upper part of the seat back has at least two seat belt guides. The seat belt guide has a mounting groove, and the mounting groove has an upward entrance for The shoulder straps of the safety belts of the car can be inserted into the installation grooves of the safety belt guides in sequence in a horizontal direction. The method for connecting the safety seat to the safety belt of the car includes the following steps: the shoulder belt of the safety seat passes through the upper end of the seat back laterally from the inner side of the seat back of the safety seat, and then the shoulder belt passes from the seat back along one side of the seat back The upper end of the safety seat extends to the lower end, and finally extends to the outside of the seat back; the abdominal belt of the car mounting belt is passed laterally from one side of the seat of the safety seat to the other side of the seat; after the shoulder belt and the abdominal belt meet Inserts into the seat belt receptacle on the car seat.

Description

A kind of safety seat and its connection method with automobile safety belt

technical field

The invention relates to the field of child safety seats, in particular to a safety seat and a method for connecting it to an automobile safety belt.

Background technique

Child safety seats are designed to protect children in the car from collisions or other impacts when the car is in an emergency. The most important thing for a child safety seat is to remain securely on the car seat, thereby restricting the movement of the occupant, especially in the event of a collision. The child safety seat can be fixedly connected to the vehicle seat through the safety belt of the vehicle, or can be fixedly connected to the vehicle seat by using the anchor point on the vehicle and the connecting piece on the child safety seat.

In the Chinese patent application number CN200820040982.7, a child safety seat and its seat belt wrapping structure are disclosed. The child car safety seat includes a base and a backrest, and a belt-threading ring is connected to the upper and lower parts of both sides of the backrest. There are four belt-threading rings in total, which are respectively upper left belt-threading ring, The lower left strap ring, the upper right strap ring and the lower right strap ring, in addition, two front strap rings are arranged side by side on the front edge of the seat, the upper left strap ring, the lower left strap ring, and the upper right strap ring Ring, lower right strap ring and front strap ring are not closed flat rings with notches. The children's car safety seat and the seat belt threading structure of the utility model can use the car safety belt of the existing structure to effectively limit the child's car safety seat on the car seat, and can prevent the child's car safety seat from being pulled from the car seat. The chair slips or flips over, which greatly improves the safety of its use. The safety seat of this patent is found to be not firm in actual use, and the seat can shake to a large extent after installation.

In the Chinese patent with the application number CN201120453465.4, a child seat is disclosed, including a seat cushion, a backrest and a headrest connected in sequence, and a fixing buckle is provided at the bottom of the guard plate; the fixing buckle includes a front buckle Buckle and rear buckle, the rear buckle includes a fixed part connected to the guard plate, the rear buckle main body parallel to the guard plate and leaving a gap with the guard plate, one end of the front buckle is fixedly connected to the guard plate , and the other end is located under the main body of the rear buckle, leaving an S-shaped gap there. The upper end of the car seat belt is fixed on the buckle area of the car seat belt, and the lower end passes through the groove of the armrest of the seat cushion and is fixed on the rear seat of the car, so that the car seat belt can be tightly tied to the chest on the child's shoulders, giving the child Provide a more comfortable and safe environment. The S-shaped gap design of the fixed buckle makes the disassembly of the seat belt more convenient. In the process of high-speed impact, the car seat belt will not be separated or flow away, and can be firmly fixed in the car seat belt buckle. The safety seat of this patent has the following disadvantages in actual use: (1) the safety seat can shake at a certain angle after installation; (2) when the height of the headrest of the safety seat is adjusted, the safety belt and the headrest Interference can occur, affecting the adjustment of the head restraint.

In the Chinese patent with the application number CN201420187752.9, a triangular fixed child safety seat is disclosed, including a seat back and a seat seat, and guide grooves are formed on both sides of the upper end of the seat back for the safety belt to pass through. The opening direction of the left guide groove is set towards the left side of the chair back, and the opening direction of the right guide groove is set towards the right side of the chair back. A flip plate for fixing the safety belt is rotatably arranged on the seat seat. The safety belt fixing method of the triangular fixed child safety seat is a triangular fixing method, which improves the safety of the child safety seat. Wherein, the direction setting of the guide groove can prevent the child's activities from causing the seat belt to slip off from the seat belt guide hook, thereby improving the safety protection effect of the seat belt on the seated child. The safety seat of this patent has the following disadvantages in actual use: the seat belt guide groove is arranged on the upper end of the seat back, and the triangular fixing method is not firm, and the safety seat is prone to shaking.

Contents of the invention

In order to overcome the deficiencies of the prior art, one of the objectives of the present invention is to provide a safety seat that can be firmly held on the car seat by a safety belt on the car.

The second object of the present invention is to provide a method for connecting a safety seat and a safety belt of an automobile.

One of purpose of the present invention adopts following technical scheme to realize:

A safety seat, comprising a seat back, a seat and a headrest, the headrest is arranged on the seat back, at least two safety belt guides are arranged on the upper part of the seat back, and the safety belt guides have The mounting slots are adapted to pass through the mounting slots of the seat belt guides in succession in the transverse direction.

Further, the installation groove has a vertically upward entrance.

Further, the safety belt guide is provided with a locking clip openably and closably at the entrance of the installation groove. When the locking clip is opened, the seat belt can enter the installation groove. When the locking clip is closed, the safety belt can enter the installation groove. , the safety belt is restricted by the locking clip, preventing the safety belt from slipping out of the installation groove.

Further, the thickness of the installation groove is substantially the same as that of the shoulder belt of the car safety belt, so that the shoulder belt of the car safety belt can be inserted into the installation groove, while the shoulder belt of the car safety belt remains flat in the installation groove , not prone to folding.

Further, the two ends of the rear part of the seat have safety belt guide grooves respectively, and the belly belt or shoulder belt of the car safety belt is suitable for passing through the safety belt guide grooves and then extending to the socket of the car safety belt.

Further, the two ends of the lower part of the seat back have shoulder belt holding grooves, and the car safety belt shoulder straps extending from the upper part of the seat back are adapted to pass through the shoulder belt holding grooves and then extend to the socket of the car safety belt. .

Further, both sides of the seat back extend forward to form wings, and the shoulder straps of the car safety belt are adapted to extend from the upper end to the lower end of the seat back along the inner side of the wings.

Two of the purpose of the present invention adopts following technical scheme to realize:

A method for connecting a safety seat to an automobile safety belt, comprising the following steps:

- passing the shoulder strap of the car seat belt transversely from the inner side of the seat back of the safety seat through the upper end of the seat back, and then extending the shoulder strap from the upper end to the lower end of the seat back along one side of the seat back , finally extending to the outside of the chair back;

- passing the belly strap of the car mounting strap transversely from one side of the seat of the safety seat to the other side of said seat;

- inserting the shoulder belt into the safety belt socket on the car seat after joining the belly belt.

Further, at least two safety belt guides at the upper end of the seat back ensure that the shoulder straps pass transversely through the upper end of the seat back, and the shoulder straps pass along the inner side of the flaps through the wings on the side of the seat back. extending from the upper end to the lower end of the chair back.

Further, through the seat belt guide groove at the rear of the seat, ensure that the abdominal belt passes through the seat transversely, through the shoulder belt holding groove at the lower end of the seat back or the seat belt guide at the rear of the seat Slots ensure that the shoulder straps extend from the inside to the outside of the seat back.

Compared with the prior art, the beneficial effects of the present invention are:

(1) Make the installation path of the seat belt shoulder belt pass the upper end of the seat back, and then extend downward from one side of the seat back, avoiding the interference between the seat belt shoulder belt and the headrest, so the height of the headrest can be adjusted freely according to actual needs ;

(2) Make the installation path of the safety belt shoulder belt pass through the upper end of the seat back transversely, that is, at least two points on the upper end of the seat belt and the seat back are fixed, which increases the stability of the seat back;

(3) When the safety belt extends downward from the upper end of the seat back, the safety belt can also stabilize the seat back in the vertical direction, thereby stably and firmly restricting the seat back of the safety seat.

Description of drawings

Fig. 1 is the explosion diagram of safety seat of the present invention, has shown the installation path of safety belt;

Fig. 2 is a partial schematic view of the safety seat of the present invention;

Fig. 3 is a schematic diagram of the safety seat of the present invention.

In the figure: 10, chair back; 11, wing; 12, shoulder belt holding groove; 20, seat; 21, safety belt guide groove; 22, armrest; 30, headrest; 31, pillow; 40, safety belt Guide piece; 41, installation slot; 42, locking clip; 6, safety belt; 61, shoulder belt; 62, abdominal belt;

detailed description

Below, the present invention will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of not conflicting, the various embodiments described below or the technical features can be combined arbitrarily to form new embodiments. .

As shown in FIGS. 1-3 , the safety seat of the present invention includes a seat back 10 , a seat 20 , and a headrest 30 . The chair back 10 and the seat seat 20 can be integrally formed or movably connected. The headrest 30 is installed on the top of the inner side of the seat back 10 , and the headrest 30 can be fixedly installed on the seat back 10 or movably installed on the seat back 10 .

The two ends of the inner upper part of the seat back 10 are respectively provided with a safety belt guide 40, the safety belt guide 40 has a mounting groove 41, and the mounting groove 41 has a vertical entrance, so that the safety belt shoulder strap 61 is horizontally separated from the mounting groove 41. Entry is inserted. When the safety belt shoulder straps 61 are inserted into the safety belt guides 40 on both sides in sequence, the safety belt shoulder straps 61 pass across the upper part of the entire seat back 10, that is, the upper part of the seat back 10 is firmly restricted by the safety belt shoulder straps 61, thereby It is not easy to shake. The safety belt shoulder belt 61 extends downward along one side of the seat back 61 after passing through the entire upper part of the seat back 10 , so as to merge with the safety belt belly belt 62 .

The seat belt guide 40 is located behind the headrest 30, and the headrest 30 covers the seat belt guide 40, thereby ensuring the safety seat's beauty. Since there is a gap between the headrest 30 and the upper end of the seat back 10 , the seat belt shoulder strap 61 is allowed to extend along the upper portion of the seat back 10 .

It is worth mentioning that the two sides of the seat back 10 extend forward to form the wings 11, and the safety belt shoulder belt 61 is restricted by the wings 11 when extending downward along one side of the seat back 10, so that the safety belt shoulder belt 61 It is held stably on the inner side of the flap 11.

Both sides of the headrest 30 extend forward to form a pillow 31 , there is a gap between the pillow 31 and the wing 11 , and the safety belt shoulder strap 61 extends downward through the gap between the pillow 31 and the wing 11 .

After the safety seat of the present invention is installed on the car seat, there will be no interference between the safety belt 6 and the headrest 30, so if the height-adjustable headrest 30 is installed on the safety seat, the height of the headrest 30 can be adjusted. Make adjustments at any time without worrying about being affected by the seat belt.

Further, the entrance of the installation groove 41 faces upwards. The entrance of the installation groove 41 is set upward, on the one hand, it is convenient for the operator to insert the safety belt shoulder strap 61 into the installation groove 41; It can prevent the seat belt from slipping out of the installation groove 41 .

The safety belt guide 40 is provided with a locking clip 42 at the entrance of the installation groove 41, and the locking clip 42 is arranged on the entrance of the installation groove 41 in an openable and closable manner. When the locking clip 42 is opened, the safety belt 6 can enter the installation groove 41 through the entrance. ; When the locking clip 42 is closed, the safety belt 6 cannot slide out of the safety slot 41 through the entrance. The locking clip 42 can be kept in the closed position by a spring, or it can be other structures that enable the locking clip 42 to be kept in the closed position. Open.

Further, the thickness of the installation groove 41 is substantially the same as that of the safety belt shoulder strap 61, so that the safety belt shoulder strap 61 can be inserted into the installation groove 41; The seat belt shoulder strap 61 can maintain a flat state without being folded. By keeping the safety belt in a flat state, the contact area between the safety belt and the seat back is increased, which is beneficial to increase the stability of the safety seat.

The two ends of the inner rear part of the seat seat 20 have safety belt guide grooves 21 respectively, and the safety belt guide grooves 21 have an opening inclined forward. to the seat belt socket.

Both sides of the seat 20 are also provided with armrests 22 in front of the seat belt guide groove 21 , and the armrests 22 extend upward from the seat 20 . There is a certain distance between the armrest 22 and the opening of the safety belt guide groove 21 to allow the safety belt belly belt 62 to enter the safety belt guide groove 21 .

The two ends of the inner lower part of the seat back 10 have shoulder belt holding grooves 12, and the shoulder belt holding grooves 12 have forward insertion openings. With socket. The purpose of setting the shoulder belt holding groove 12 is to increase the connection points between the safety belt 6 and the safety seat, and further improve the stability of the installation of the safety seat.

In some other embodiments, no shoulder strap holding slot is provided, and the shoulder strap 62 extends through the seat belt guide slot 21 to the seat belt socket.

The present invention also provides a method for connecting a safety seat and a safety belt of an automobile, comprising the following steps:

- Make the shoulder belt 61 of the car safety belt pass the upper end of the seat back 10 laterally from the inner side of the seat back 10 of the safety seat, then extend from the upper end to the lower end of the seat back 10 along one side of the seat back 10, and finally extend to the seat back 10 the outer side of the back 10;

- passing the belly strap 62 of the vehicle mounting strap transversely from one side of the seat 20 of the safety seat to the other side of the seat 20;

-The shoulder belt 61 of the car safety belt merges with the belly belt 62 and is inserted into the seat belt socket on the car seat.

Wherein, the two seat belt guides 40 on the upper end of the seat back 10 ensure that the shoulder belt 61 passes the upper end of the seat back 10 transversely.

Wherein, the shoulder strap holding groove 12 at the lower end of the seat back 10 ensures that the shoulder strap extends from the inner side to the outer side of the seat back 10 .

Wherein, the shoulder straps 61 are flatly attached to the inner side of the chair back 10 , so that the shoulder straps 61 limit the chair back 10 to the greatest extent.

The present invention allows the safety belt to pass through the rear of the seat 20 to keep the safety seat on the car seat, which can reduce the stretched length of the safety belt 6 . That is to say, the solution of the present invention reduces the use length of the safety belt compared with the prior art that extends the safety belt along the entire base, so that there is no need to arrange a safety belt holding device on the base. The safety belt wrapping method of the present invention has low cost requirements, safety and convenience, firm fixing and high safety performance.

The above-mentioned embodiment is only a preferred embodiment of the present invention, and cannot be used to limit the protection scope of the present invention. Any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. Scope of protection claimed.

Claims (10)

1. a kind of safety seat, including the chair back, seat support and headrest, the headrest is arranged on the chair back, it is characterised in that The top of the chair back is provided with least two safety belt guiding elements, and the safety belt guiding element has mounting groove, car belt shoulder Band is suitable to the mounting groove for laterally sequentially passing through each safety belt guiding element.

2. safety seat according to claim 1, it is characterised in that the mounting groove has entrance straight up.

3. safety seat according to claim 1, it is characterised in that the safety belt guiding element enters the mounting groove It can be opened and closed to be provided with a locking folder at mouthful.

4. according to any described safety seats of claim 1-3, it is characterised in that the thickness and automotive safety of the mounting groove Thickness with shoulder belt is essentially identical.

5. according to any described safety seats of claim 1-3, it is characterised in that the both ends at the seat support rear portion have respectively Safety belt guide groove, the abdominal belt or shoulder belt of car belt extend to car belt after being adapted to pass through the safety belt guide groove Spigot.

6. according to any described safety seats of claim 1-3, it is characterised in that the both ends of the chair back bottom have shoulder belt Retention groove, the car belt shoulder belt extended from the chair back top extend to vapour after being adapted to pass through the shoulder belt retention groove The spigot of car safety belt.

7. according to any described safety seats of claim 1-3, it is characterised in that the both sides of the chair back extend to be formed forward Flap, the shoulder belt of car belt are suitable to extend to lower end along the inner side of the flap from the upper end of the chair back.

8. the connection method of a kind of safety seat and car belt, it is characterised in that comprise the following steps：

- shoulder belt of car belt is passed laterally through the upper end of the chair back on the inside of the chair back of child safety seat, then Side of the shoulder belt along the chair back extends to lower end from the upper end of the chair back, finally extends to the outer of the chair back Side；

- make opposite side of the abdominal belt of automobile installation band from the side of the seat support of child safety seat transverse direction through the seat support；

The safe carrying spigots that-shoulder belt and the abdominal belt are inserted on automotive seat after converging.

9. according to the method for claim 8, it is characterised in that pass through at least two safety belt guiding elements of the chair back upper end Ensure that shoulder belt passes laterally through the upper end of the chair back, ensure the shoulder belt along the flap by the flap of the back seat sides Inner side extend to lower end from the chair back upper end.

10. according to the method for claim 8, it is characterised in that ensured by the safety belt guide groove at the seat support rear portion The abdominal belt is horizontally through the seat support, is led by the shoulder belt retention groove of the chair back lower end or the safety belt at the seat support rear portion Ensure that the shoulder belt extends to outside on the inside of the chair back to groove.