CN214822748U

CN214822748U - Restraint system of children's articles for use, children's articles for use and children's car safety seat

Info

Publication number: CN214822748U
Application number: CN202120421022.0U
Authority: CN
Inventors: 贺新军; 高翔
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2021-01-29
Filing date: 2021-02-26
Publication date: 2021-11-23
Anticipated expiration: 2031-02-26
Also published as: CN112937390A; WO2022160403A1

Abstract

The utility model discloses a children's articles for use's constraint system, children's articles for use and children car safety seat, children's articles for use have to sit upright region, the constraint system is in including the area body, setting connecting piece on the area body, and with the connecting seat that connecting piece detachably connects, the area body is in first hookup location and second hookup location have on the children's articles for use, first hookup location is higher than second hookup location, first hookup location with second hookup location locates jointly sit upright regional one side, the connecting seat sets up sit upright regional opposite side, just the connecting seat is less than in the up-and-down direction first hookup location. Compared with a traditional five-point safety belt, the structure of the restraint system is simpler, the operation and the adjustment are more convenient, convenience is brought to users, and the restraint system can be widely applied to children products such as child automobile safety seats, child trolleys, child seat pockets, child dining chairs and the like.

Description

Restraint system of children's articles for use, children's articles for use and children's car safety seat

Technical Field

The utility model relates to a constraint system of children's articles for use to and children's articles for use and children car safety seat who has this kind of constraint system.

Background

At present, children's articles such as car safety seat for children, children's shallow, children's seat pocket, children's dining chair have brought very big facility for children's nurse and trip etc.. Child products are often provided with a restraint system to restrain the child in the seat of the child product to ensure the safety of the child when using the child product. Generally, the restraint systems of the children's products all adopt five-point type safety belts, namely two shoulder belts, two waist belts and a crotch belt are connected together through buckles, and although the five-point type safety belts can stably restrain the children on the seat, the parts are more, and the connection operation is inconvenient; meanwhile, when the height of the child changes, the height of the shoulder strap is very troublesome to adjust, which causes inconvenience in use.

SUMMERY OF THE UTILITY MODEL

A first object of the present invention is to provide a novel restraint system for children's products to solve one or more problems of the prior art.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a children's articles for use's restraint system, children's articles for use have sit upright region, restraint system includes the area body, sets up connecting piece on the area body, and with the connecting seat that connecting piece detachably connects, the area body has and is located first hookup location and second hookup location on the children's articles for use, first hookup location is higher than second hookup location, first hookup location with second hookup location locates jointly sit upright regional one side of controlling the direction, the connecting seat sets up sit upright regional opposite side of controlling the direction, just the connecting seat is less than on the upper and lower direction first hookup location.

Preferably, the restraint system has a use state in which the connector is fixedly connected to the connecting seat, the belt body has a shoulder belt portion extending from the first connecting position to the connecting seat, and a waist belt portion extending from the connecting seat to the second connecting position, the shoulder belt portion is obliquely restrained to a front portion of the occupant's body, and the waist belt portion is restrained to a waist or a leg of the occupant in a left-right direction.

Preferably, the distance between the first connection position and the second connection position along the up-down direction is adjustable.

Preferably, the children article comprises a seat body with the sitting and standing area and an adjusting seat which can be arranged on the seat body in a height-adjustable mode along the vertical direction, the first connecting position is arranged on the adjusting seat, and the second connecting position is arranged on the seat body.

In one embodiment, the adjustment seat is a head support for supporting the head of the child.

In one embodiment, the belt body has a first end portion and a second end portion respectively disposed at two end portions different from each other in the longitudinal extension direction of the belt body, the first end portion is connected to the adjusting seat at the first connection position, and the second end portion is connected to the seat body at the second connection position.

In a specific embodiment, the strap has a first end and a second end respectively disposed at two opposite ends of the strap in the longitudinal direction of the strap, the strap has a third connection position on the seat body, the first end is connected to the seat body at the third connection position, the second end is connected to the seat body at the second connection position, and the strap between the first end and the second end is slidably connected to the adjusting seat at the first connection position.

Preferably, the second attachment location is fixedly located on the children's article and the first attachment location is adjustably located at a height position on the children's article.

In a specific embodiment, the children product is provided with an adjusting belt extending in the vertical direction, one end of the belt body is fixedly connected with a connecting buckle, the connecting buckle is adjustably and fixedly arranged on the adjusting belt, and the installation position of the connecting buckle on the adjusting belt forms the first connection position.

Preferably, the children's article comprises a seat and a backrest, the height of the seat is adjustably set, the second connecting position is arranged on the seat, and the first connecting position is arranged on the backrest.

Preferably, at least one of the first connecting position and the second connecting position is provided with the belt body which can be arranged in a sliding manner relative to the children products along the length extending direction of the belt body.

Further, a belt body retracting and releasing mechanism is arranged at least one of the first connecting position and the second connecting position, and the belt body can be retracted and released along the length extending direction of the belt body retracting and releasing mechanism.

In a specific embodiment, the belt retracting mechanism is a one-way adjusting mechanism that only allows the belt to slide in a single direction, or the belt retracting mechanism is an automatic retracting mechanism that can automatically retract the belt.

Preferably, the connecting member is disposed on the belt body in a manner of being capable of relatively sliding along a length extending direction of the belt body, and the connecting member is located between the first connecting position and the second connecting position in the length extending direction of the belt body.

The second objective of the present invention is to provide a children's article with the above-mentioned novel binding system.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a children's article comprising a restraint system as described above.

Preferably, the child article is a child safety seat, a child dining chair, a child seat pocket or a child stroller.

A third object of the present invention is to provide a child car safety seat with the above-mentioned novel restraint system.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a children's car safety seat, its has the constraint system, the seat is including having the seat body of sitting upright region, and set up head rest on the seat body, the constraint system is including the area body, setting is in connecting piece on the area body, and with the connecting seat that connecting piece detachably connects, the area body has and is located first hookup location on the head rest, is located second hookup location on the seat body, first hookup location is higher than second hookup location, first hookup location with second hookup location locates jointly sit upright regional left and right sides ascending one side, the connecting seat sets up on the seat body and be located sit upright regional left and right sides ascending opposite side, the connecting seat is less than in the upper and lower direction first hookup location.

Preferably, the head rest is height-adjustably provided on the seat body in an up-down direction.

In one embodiment, the strap has a first end and a second end respectively disposed at two ends of the strap extending in the longitudinal direction, the first end is connected to the head rest at the first connection position, and the second end is connected to the seat body at the second connection position.

In a specific embodiment, the strap has a first end and a second end respectively disposed at two opposite ends of the strap in the longitudinal extension direction, the strap further has a third connection position located on the seat body, the first end is connected to the seat body at the third connection position, the second end is connected to the seat body at the second connection position, and the strap located between the first end and the second end is slidably connected to the head rest at the first connection position.

Preferably, a belt retracting and releasing mechanism is arranged at least one of the first connecting position and the second connecting position, and the belt can be retracted and released along the length extending direction of the belt retracting and releasing mechanism.

In a specific embodiment, a mounting seat is arranged at the first connecting position, the mounting seat is fixedly arranged on one side part of the head support, and the belt body is fixedly connected to the mounting seat; the second connecting position is provided with the belt body retracting mechanism.

Preferably, the restraint system has an in-use state and a release state, when the restraint system is in the in-use state, the connecting member is fixedly connected with the connecting seat, the belt body has a shoulder belt portion extending from the first connecting position to the connecting seat, and a waist belt portion extending from the connecting seat to the second connecting position, the shoulder belt portion is obliquely restrained at the front part of the body of the occupant, and the waist belt portion is restrained at the waist part of the occupant in the left-right direction; when the restraint system is in a release state, the connecting piece is separated from the connecting seat.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a constraint system of children's articles for use, traditional five point type safety belts are simpler to its structure is compared, and it is all more convenient to operate and adjust, offers convenience for the user. The restraint system can be widely applied to children products such as child car safety seats, child trolleys, child seat pockets, child dining chairs and the like.

Drawings

Fig. 1 is a schematic view of an overall structure of a child car seat according to embodiment 1 of the present invention, wherein a child sits on the car seat and a restraint system is in a use state;

FIG. 2 is a schematic front view of the child car safety seat of FIG. 1;

fig. 3 is a schematic view of the overall structure of the child car seat according to embodiment 1 of the present invention;

FIG. 4 is a schematic view of the child car safety seat of FIG. 4 after the head rest has been lowered to a certain height;

fig. 5 is a rear view schematically illustrating a child car seat according to embodiment 1 of the present invention;

fig. 6 is a schematic view of the overall structure of the child car seat according to embodiment 1 of the present invention;

fig. 7 and 8 show the structure and the matching installation principle of the connecting piece and the connecting seat in fig. 6;

FIG. 9 shows a specific configuration of the strap retracting mechanism at a second connection location in the child car seat of FIG. 3, wherein the strap retracting mechanism is a one-way adjustment mechanism;

FIG. 10 is an enlarged schematic view of section M of FIG. 9, with the one-way adjustment mechanism in an unlocked state;

FIG. 11 is a schematic view of the one-way adjustment mechanism of FIG. 10 as it transitions to a locked state;

FIG. 12 shows another embodiment of the strap retracting mechanism at a second connection location in the child car seat of FIG. 3, wherein the strap retracting mechanism is an automatic retracting mechanism;

fig. 13 is a rear view schematically illustrating a child car seat according to embodiment 2 of the present invention;

fig. 14 is a schematic structural view of a child dining chair according to embodiment 3 of the present invention;

fig. 15 is a schematic structural view of the stroller according to embodiment 4 of the present invention;

fig. 16 is a schematic perspective view of a child chair according to embodiment 5 of the present invention;

fig. 17 is a front view structural diagram of a child chair according to embodiment 5 of the present invention.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example 1

Referring to fig. 1-12, a child car safety seat 10 having a seating area for a child occupant to sit on has a restraint system 20 disposed thereon for restraining a child occupant 30 in the seating area.

The binding system 20 includes a belt body 1, a connecting member 2 provided on the belt body 1, and a connecting seat 3 detachably connected to the connecting member 2. The belt body 1 has a first connecting position and a second connecting position on the child car seat 10, wherein the first connecting position is higher than the second connecting position, and the first connecting position and the second connecting position are located on the same side of the sitting area in the left-right direction; the connecting seat 3 is arranged at the other side of the left and right directions of the sitting area, and the connecting seat 3 is lower than the first connecting position in the up and down direction. In the present embodiment, referring to fig. 1 and fig. 2, the first connection position and the second connection position are both disposed on the right side of the sitting area, that is, on the right side of the body of the child occupant; the coupling socket 3 is arranged on the left side of the sitting area, i.e. the left side of the body of the child occupant.

In a specific arrangement, the connecting seat 3 is substantially the same as the second connecting position in the height direction, and is located at a position close to the waist of the child occupant 30 when sitting on the child car seat 10; the first attachment position is located proximate the shoulder of the child occupant 30 when seated in the child car safety seat 10.

Here, the connecting member 2 has a through hole 21 for the belt body 1 to slidably pass through along the extending direction of the length thereof, and the belt body 1 can be slidably passed through the through hole 21 relatively, so that the connecting member 2 is slidably disposed on the belt body 1 and located between the first connecting position and the second connecting position.

The binding system 20 has a using state and a releasing state, and when the binding system is in the releasing state, the connecting piece 2 is disengaged from the connecting seat 3; when in use, the connecting seat 2 is fixedly connected with the connecting seat 3, and the belt body 1 is divided into a shoulder belt part 11 and a waist belt part 12 in the extending direction of the length thereof, wherein the shoulder belt part 11 extends from the first connecting position to the connecting seat 3, and is used for being obliquely bound on the front side of the body of the child occupant 30; the waistband portion 12 is restrained in the left-right direction at a waist position of the child occupant 30, which extends from the connecting link 3 to the second connecting position.

Referring to fig. 1 to 10, the child car seat 10 includes a seat body 101 having a sitting area, and an adjusting seat provided on the seat body 101, where the adjusting seat is used for supporting a head support of a child, specifically, a head rest 102, and the head rest 102 can be height-adjustably provided on the seat body 101 in an up-down direction.

The first connecting position is disposed on the head rest 102, and the second connecting position and the connecting seat 3 are disposed at the lower position of the seat body 101. When the head rest 102 goes up and down relative to the seat body 101, the distance between the first connecting position and the second connecting position changes correspondingly, so that when the child seat occupant 30 with different heights adjusts the height position of the head rest 102, the height of the first connecting position is adjusted, namely, the belt body 1 can be correspondingly bound on the shoulder position of the child seat occupant 30, and the use requirements of children with different heights are correspondingly met.

In the binding system 20, the belt retracting mechanism 5 is disposed at least one of the first connecting position and the second connecting position, so that the belt 1 can be retracted along the extending direction of the belt length through the belt retracting mechanism 5, and the length of the belt 1 between the first connecting position and the second connecting position meets the use requirement. In the embodiment, the mounting seat 4 is arranged at the first connecting position, the belt body 1 is fixed on the mounting seat 4, and the belt body 1 at the first connecting position cannot be retracted along the extending direction of the length of the belt body; the second connecting position is provided with a belt body retracting mechanism 5, so that the belt body 1 at the second connecting position can be retracted and adjusted along the length extending direction of the belt body. The belt retracting mechanism 5 can adopt a one-way adjusting mechanism as shown in fig. 6 to 8, which realizes the retracting of the belt 1 by arranging a one-way locking piece 51 to only allow the belt 1 to slide in a single direction; the tape retracting mechanism 5 may also employ an automatic retracting mechanism as shown in fig. 9, in which a retracting element 52 is provided to retract or release the tape 1.

Specifically, the strap 1 has a first end and a second end respectively disposed at two ends of the strap extending in the direction of the strap, in this embodiment, the first end is fixed on the mounting base 4 and is fixedly disposed relative to the head rest 102, and the second end is connected to the base body 101 through the strap retracting mechanism 5 at a second connection position. In the using process, the belt body 1 is retracted and extended in a sliding mode relative to the seat body 101 at the second connecting position, so that the length of the belt body 1 between the first connecting position and the second connecting position is changed, and the using requirements of children with different heights are met.

So, this children car safety seat is when using, according to children person 30's height, the user has just realized the altitude mixture control of taking area 1 in binding system 20 when adjusting the height of head support 102, make the shoulder 11 part of the area body 1 can adapt to children person 30's shoulder height, then draw connecting piece 2 on the area body 1 to one side to cooperate it and connecting seat 3 to peg graft, just can tie children person 30 to children car safety seat's the seat region of standing up, use unusual swift convenience.

Example 2

Referring to fig. 13, a child car seat is shown, which is different from the child car seat of embodiment 1 mainly in the arrangement of the webbing 1.

In this embodiment, the strap body 1 further has a third connecting position located on the seat body 101, the strap body 1 has a first end and a second end respectively disposed at two ends of the strap body 1 with different lengths extending in the direction, the first end of the strap body 1 is connected to the seat body 101 at the third connecting position, the second end of the strap body 1 is connected to the seat body 101 at the second connecting position, and a portion of the strap body 1 located between the first end and the second end is slidably connected to the head rest 102 at the first connecting position.

Specifically, referring to fig. 13, a third connecting position is provided at the back side of the seat body 101, where an anchoring member 9 is fixedly provided, a guide member 8 is fixedly provided at the first connecting position of the head rest 102,

the first end of the belt body 1 is fixed to the anchoring member 9, the belt body 1 is then slidably passed through the guide member 8 to the front side of the seat body 101 and then connected to the belt body retracting mechanism 5 at the second connecting position, and the connecting member 2 is slidably disposed on the belt body 1 at a portion between the first connecting position and the second connecting position.

Example 3

Referring to figure 14, there is shown a child dining chair 40, the child dining chair 40 having a seating mechanism comprising a seat plate 401 and a back rest 402, and a restraint system 20 mounted on the seating mechanism, wherein a first attachment position is provided at an upper portion of the back rest 402 and a second attachment position is provided at a lower portion of the back rest 402 or at a rear portion of the seat plate 401, with the attachment section 3.

The second connecting position is fixedly arranged, the first connecting position is arranged on the children product in a height-adjustable mode, the adjusting belt 6 is arranged on the upper portion of the backrest 402, the connecting buckle 7 is fixedly arranged at one end portion of the belt body 1, the connecting buckle 7 is fixedly arranged on the adjusting belt 6, the mounting position of the connecting buckle 7 on the adjusting belt 6 forms the first connecting position, and the mounting position of the connecting buckle 7 on the adjusting belt 6 is arranged in an adjustable mode and can be suitable for children with different heights.

Example 4

Referring to fig. 15, a stroller having a frame and a seat pocket 50 provided on the frame is shown, the seat pocket 50 also being provided with a restraint system 20 as described above for restraining a child occupant in the seat pocket 50. The arrangement of the belt body 1 of the binding system 20 on the seat pocket 50 is substantially the same as that of embodiment 3, and the height at the first connecting position is also realized by combining the adjusting belt 6 with the connecting buckle 7, which is not described again here.

Example 5

Referring to figures 16 and 17, a child chair 60 is shown having a base 601 with a seating mechanism on the base 601, the seating mechanism including a seat 603 and a back 602, and a restraint system 20 disposed on the seating mechanism, wherein a first attachment position is provided on an upper portion of the back 402 and a second attachment position is provided on a rear side of the seat 603 with the attachment base 3.

On this children's chair 60, seat 603 can set up along upper and lower direction position adjustment ground, and the height of seat 603 sets up adjustably promptly, and this makes the upper and lower height of second hookup location adjustable for the interval between first hookup location and the second hookup location can change, thereby can adapt to the children of different heights and use.

In other children's products, not illustrated, the restraint system 20 described above may also be used to restrain a child occupant to ensure safety of the child when using the children's product, and may be simpler in construction than conventional five-point harnesses, and may be more convenient to operate and adjust, providing convenience to the user.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A restraint system for a child article, said child article having a sitting region, characterized by: the restraint system includes the area body, sets up connecting piece on the area body, and with the connecting seat that connecting piece detachably connects, the area body has and is located first hookup location and second hookup location on the children's articles for use, first hookup location is higher than second hookup location, first hookup location with second hookup location locates jointly sit upright regional ascending one side in the left and right sides direction, the connecting seat sets up sit upright regional ascending opposite side in the left and right sides direction, just the connecting seat is less than in the up-and-down direction first hookup location.

2. The restraining system for children's products according to claim 1, wherein: the restraint system has a use state, when the restraint system is in the use state, the connecting piece is fixedly connected with the connecting seat, the belt body is provided with a shoulder belt part extending from the first connecting position to the connecting seat and a waist belt part extending from the connecting seat to the second connecting position, the shoulder belt part is obliquely restrained at the front part of the body of a passenger, and the waist belt part is restrained at the waist or the leg of the passenger along the left-right direction.

3. The restraining system for children's products according to claim 1, wherein: the first connecting position and the second connecting position are arranged in an adjustable manner along the vertical direction.

4. A restraint system for children's products according to claim 3, wherein: the children article comprises a seat body with the sitting and standing area and an adjusting seat which can be arranged on the seat body in a height adjustable mode along the vertical direction, wherein the first connecting position is arranged on the adjusting seat, and the second connecting position is arranged on the seat body.

5. The restraining system for children's products according to claim 4, wherein: the adjusting seat is a head supporting piece used for supporting the head of the child.

6. The restraining system for children's products according to claim 4, wherein: the belt body is provided with a first end part and a second end part which are respectively arranged at two end parts with different length extension directions, the first end part is connected with the adjusting seat at the first connecting position, and the second end part is connected with the seat body at the second connecting position.

7. The restraining system for children's products according to claim 4, wherein: the belt body is provided with a first end part and a second end part which are respectively arranged at two end parts with different length extending directions, the belt body is provided with a third connecting position which is positioned on the seat body, the first end part is connected with the seat body at the third connecting position, the second end part is connected with the seat body at the second connecting position, and the belt body positioned between the first end part and the second end part is connected with the adjusting seat in a sliding way at the first connecting position.

8. A restraint system for children's products according to claim 3, wherein: the second connection position is fixedly arranged on the children product, and the first connection position is adjustably arranged on the children product in a height position.

9. The restraining system for children's products according to claim 8, wherein: the children article is provided with an adjusting belt extending along the vertical direction, one end of the belt body is fixedly connected with a connecting buckle, the connecting buckle is adjustably and fixedly arranged on the adjusting belt, and the installation position of the connecting buckle on the adjusting belt forms the first connection position.

10. A restraint system for children's products according to claim 3, wherein: the children product comprises a seat and a backrest, the height of the seat can be adjusted, the second connecting position is arranged on the seat, and the first connecting position is arranged on the backrest.

11. The restraining system for children's products according to claim 1, wherein: at least one of the first connecting position and the second connecting position is provided with a belt body which can be arranged in a sliding manner relative to the children product along the length extending direction of the belt body.

12. A restraint system for children's products according to claim 11, wherein: and at least one of the first connecting position and the second connecting position is provided with a belt body retracting and releasing mechanism, and the belt body can be retracted and released along the length extending direction of the belt body retracting and releasing mechanism.

13. A restraint system for children's products according to claim 12, wherein: the belt body retracting mechanism is a one-way adjusting mechanism which only allows the belt body to slide towards a single direction, or the belt body retracting mechanism is an automatic retracting mechanism which can automatically retract the belt body.

14. The restraining system for children's products according to claim 1, wherein: the connecting piece can follow the length extending direction of the area body sets up with relatively sliding on the area body, just the connecting piece is in the length extending direction of the area body is lieed in first hookup location with between the second hookup location.

15. A children's article, characterized in that: comprising a restraint system according to any one of claims 1 to 14.

16. The children's article of claim 15, wherein: the children articles are child safety seats, child dining chairs, child seat bags or child carts.

17. A child car safety seat having a restraint system, characterized by: the seat is including having the seat body of sitting upright region, and set up head rest on the seat body, the constraint system includes the area body, sets up connecting piece on the area body, and with the connecting seat that connecting piece detachably connects, the area body has and is located first hookup location on the head rest, is located second hookup location on the seat body, first hookup location is higher than second hookup location, first hookup location with second hookup location locates jointly sit upright regional ascending one side in the left and right sides, the connecting seat sets up on the seat body and be located sit upright regional opposite side in the left and right sides, the connecting seat is less than in the up-down direction first hookup location.

18. The child car safety seat according to claim 17, wherein: the head rest is arranged on the seat body in a height-adjustable manner along the vertical direction.

19. The child car safety seat according to claim 18, wherein: the belt body is provided with a first end part and a second end part which are respectively arranged at two end parts with different length extension directions, the first end part is connected with the head support at the first connection position, and the second end part is connected with the seat body at the second connection position.

20. The child car safety seat according to claim 18, wherein: the band body is provided with a first end part and a second end part which are respectively arranged at two end parts with different length extending directions, the band body is also provided with a third connecting position which is positioned on the seat body, the first end part is connected with the seat body at the third connecting position, the second end part is connected with the seat body at the second connecting position, and the band body positioned between the first end part and the second end part is connected with the head support in a sliding way at the first connecting position.

21. The child car safety seat according to claim 17, wherein: and at least one of the first connecting position and the second connecting position is provided with a belt body retracting and releasing mechanism, and the belt body can be retracted and released along the length extending direction of the belt body retracting and releasing mechanism.

22. The child car safety seat according to claim 21, wherein: the first connecting position is provided with an installation seat, the installation seat is fixedly arranged on one side part of the head support, and the belt body is fixedly connected to the installation seat; the second connecting position is provided with the belt body retracting mechanism.

23. The child car safety seat according to claim 21, wherein: the belt body retracting mechanism is a one-way adjusting mechanism which only allows the belt body to slide towards a single direction, or the belt body retracting mechanism is an automatic retracting mechanism which can automatically retract the belt body.

24. A child car safety seat according to any one of claims 17 to 23, wherein: the restraint system is provided with a using state and a releasing state, when the restraint system is in the using state, the connecting piece is fixedly connected with the connecting seat, the belt body is provided with a shoulder belt part extending from the first connecting position to the connecting seat and a waist belt part extending from the connecting seat to the second connecting position, the shoulder belt part is obliquely restrained at the front part of the body of the passenger, and the waist belt part is restrained at the waist part of the passenger along the left-right direction; when the restraint system is in a release state, the connecting piece is separated from the connecting seat.