CN209870176U - Child safety seat - Google Patents

Abstract

The utility model discloses a child safety seat, connect on first seat including first seat and the detachably that can supply the elder children to take, the second seat that can supply the young children to take, first seat includes first seat base and connects the back on first seat base with can overturning, be equipped with the ISOFIX interface that can be connected with car seat on the first seat base, the second seat includes the second seat base of second seat body and fixed connection in second seat body bottom, it makes second seat base detachably connect on first seat base and can adjust positive and negative installation direction to have the location structure that can mutually support between second seat base and first seat base, be equipped with in the first seat base and drive the relative first seat base of back and to the drive part that overturns that leans forward when the car takes place to chase into after. The utility model discloses its application scope is extensive, and the back can be when the car takes place to collide with the back and automatic incline forward in order to reduce the possibility that children receive whiplash injury.

Description

Child safety seat

Technical Field

The utility model relates to a children's driving safety technical field, concretely relates to children's safety seat.

Background

The child safety seat for the automobile is also called a child Restraint system (crs), and is designed for children of different ages (or weights), is installed in the automobile, and can effectively improve the riding safety of the children. The definition of the child safety seat by the european regulation ECE R44/03 is: a child safety system capable of being secured to a motor vehicle, consisting of a buckle-bearing harness assembly or flexible member, an adjustment mechanism, etc. Can be combined with additional devices such as portable child beds, infant carriers, booster seats or crash shields. Under the condition that the automobile is collided or suddenly decelerated, the impact force on the children is relieved, the body movement of the children is limited to reduce the injury to the children, and the riding safety of the children is ensured; currently, child seats have special fastening systems to fasten them more tightly to the rear seats of the car. European and American set standards of fixing modes of child seats on vehicles respectively: known in the United states as the LATCH system; europe refers to the ISOFIX system. However, the applicable age groups of the child safety seats in the current market cannot well cover all children within 12 years of age required by regulations, the application range of the child safety seats is limited, the whiplash injury prevention performance is weak, and the riding safety of children and passengers cannot be well guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a children safety seat, its application scope is extensive, and the back can be when the car takes place to knock into the back and automatic to lean forward in order to reduce children and receive the possibility of whiplash injury.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the utility model provides a child safety seat, connect on first seat including first seat and the detachably that can supply the large-age children to take, the second seat that can supply the young children to take, first seat includes first seat base and connects the back on first seat base with can overturning, be equipped with the ISOFIX interface that can be connected with car seat on the first seat base, the second seat includes second seat body and the second seat base of fixed connection in second seat body bottom, have the location structure that can mutually support between second seat base and first seat base and make second seat base detachably connect on first seat base and can adjust positive and negative installation direction, be equipped with in the first seat base and drive the drive assembly that the back overturns to the front relative first seat base when the car takes place to chase after.

Furthermore, support frames are arranged on two sides of the first seat base, two sides of the middle of the backrest are respectively hinged to the support frames, and the bottom of the backrest abuts against the first seat base to form limiting fit so as to prevent the backrest from being turned backwards.

Further, the driving part comprises a rack arranged in the first seat base in a sliding mode and a motor capable of driving the rack to move back and forth relative to the first seat base.

Furthermore, the child safety seat further comprises a rear-end collision detection device which is installed on the automobile and is in communication connection with the motor, and when the rear-end collision detection device detects that the automobile has a rear-end collision, the rear-end collision detection device controls the motor to operate and drives the rear end of the rack to prop against the lower end of the backrest to move backwards so that the backrest turns forwards relative to the first seat base.

Further, the location structure of utensil between second seat base and first seat base is including establishing a plurality of location plug on second seat base bottom and establishing the location jack on first seat base, and the location plug can insert in the location jack with form the horizontal direction location locking to second seat base with the adaptation, and all is equipped with the slot on every location plug, and first seat base internal slip is equipped with the bolt subassembly, be equipped with on the bolt subassembly a plurality of can form the bolt head of grafting complex with the slot on the location plug with form vertical direction location locking to second seat base.

Further, each positioning plug is arranged on the periphery of the bottom of the second seat base, four positioning jacks matched with the positioning plugs are formed in the first seat base, each bolt component comprises a guide slide rail which is slidably arranged in the first seat base, each guide slide rail can slide back and forth relative to the first seat base, four bolt heads which can be aligned with slots in the positioning plugs when the positioning plugs are inserted into the positioning jacks are connected onto the guide slide rails, a handle which is convenient for pulling the guide slide rails to slide back and forth is arranged at the front end of each guide slide rail, a reset spring which enables the guide slide rails to automatically reset back is arranged between each guide slide rail and the inner wall of the front end of the first seat base, and an opening is formed in the front end of the first seat base so as to pull the handle.

Furthermore, armrests are arranged on two sides of the first seat base.

Child safety seat, have following advantage:

the second seat is detachably arranged on the first seat through the positioning structure and can be arranged in a forward direction and a reverse direction, when the second seat is arranged on the first seat in the forward direction, the second seat can be used for children under nine months to sit so as to better protect young children, when the young children sitting on the second seat are aged from 3 to 3 years old, the second seat can be arranged on the first seat in the forward direction, so that the children have enough space for placing two legs, and when the children sitting on the second seat are older children aged from 3 to 12 years old, the second seat can be detached, only the first seat is kept to be arranged on the automobile seat, the heightening function is realized to a certain extent so as to be convenient for the older children to sit comfortably, the backrest of the first seat is connected to the base of the first seat in a turnover manner, the children function of the embodiment can be suitable for all children aged from 0 to 12 years old, and the application range is wide, in addition, when the automobile is in rear-end collision, the driving component in the first seat base drives the backrest to tilt forwards relative to the first seat base, so that the possibility of injury of children is reduced as much as possible.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic perspective view of another angle according to an embodiment of the present invention.

Fig. 3 is an exploded view of a second seat of an embodiment of the present invention being installed on a base of a first seat.

Fig. 4 is an exploded view of a second seat of an embodiment of the present invention mounted in reverse on a first seat base.

Fig. 5 is a schematic structural view of the first seat according to the embodiment of the present invention installed on the car seat and the backrest leaning forward.

Fig. 6 is a partial circuit diagram of the rear-end collision detection apparatus according to the embodiment of the present invention.

Description of reference numerals:

1. first seat, 11, first seat base, 111, support frame, 112, location jack, 113, opening, 114, handrail, 12, back, 13, ISOFIX interface, 14, drive part, 141, rack, 142, motor, 15, bolt subassembly, 151, direction slide rail, 152, bolt head, 153, handle, 154, reset spring, 2, second seat, 21, second seat body, 22, second seat base, 221, location plug, 2211, bolt.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 5, in the present embodiment, a child safety seat includes a first seat 1 for a young child (generally, 3 years old to 12 years old) to sit on and a second seat 2 detachably connected to the first seat 1 for a young child (generally, less than 3 years old) to sit on, the first seat 1 includes a first seat base 11 and a backrest 12 turnably connected to the first seat base 11, the first seat base 11 is provided with an ISOFIX interface 13 capable of being connected to a car seat, in the present embodiment, the ISOFIX interface 13 is a prior art, specific operation principle and structure thereof are not described herein again, the second seat 2 includes a second seat body 21 and a second seat base 22 fixedly connected to a bottom of the second seat body 21, and a positioning structure capable of being matched with each other is provided between the second seat base 22 and the first seat base 11 to enable the second seat base 22 to be detachably connected to the first seat base 11 and to adjust a forward and backward installation direction, the first seat base 11 is provided with a driving part 14 which can drive the backrest 12 to tilt forward relative to the first seat base 11 when the automobile has a rear-end collision. In the present embodiment, the second seat 2 is detachably mounted on the first seat 1 by a positioning structure, and forward mounting and backward mounting are realized, when the second seat 2 is forward mounted on the first seat 1, the second seat 2 can be used for children under nine months to better protect young children, when the seated young children are 9 to 3 years old, the second seat 2 can be forward mounted on the first seat 1 so that the children have enough space for putting both legs, and when the seated children are older children 3 to 12 years old, the second seat 2 can be removed, only the first seat 1 is left mounted on the car seat, and there is a certain heightening effect for comfortable seating of somewhat older children, the backrest 12 of the first seat 1 is turnably connected to the first seat base 11, the child effect of the present embodiment can be applied to all children aged 0 to 12, the application range is wide, and in addition, when the automobile has a rear-end collision, the driving part 14 in the first seat base 11 drives the backrest 12 to tilt forwards relative to the first seat base 11, so that the possibility that the child is hurt by whiplash is reduced as much as possible.

Referring to fig. 5, in the present embodiment, preferably, two sides of the first seat base 11 are provided with support frames 111, two sides of the middle of the backrest 12 are respectively hinged to the support frames 111, and the bottom of the backrest 12 abuts against the first seat base 11 to form a limit fit so as to prevent the backrest 12 from being turned backwards.

Referring to fig. 1 to 5, in the present embodiment, the driving part 14 includes a rack 141 slidably disposed in the first seat base 11 and a motor 142 capable of driving the rack 141 to move forward and backward relative to the first seat base 11. In this embodiment, the child safety seat further includes a rear-end collision detection device installed on the vehicle and communicatively connected to the motor 142, and when the rear-end collision detection device detects that the vehicle has a rear-end collision, the rear-end collision detection device controls the motor 142 to operate and drives the rear end of the rack 141 to move backward against the lower end of the backrest 12, so that the backrest 12 tilts forward and turns over relative to the first seat base 11. However, it will be understood by those skilled in the art that in order to tilt the backrest 12 forward relative to the first seat base 11, the backrest 12 of the first seat 1 cannot be tightly attached to the back of the vehicle seat, and a certain gap is left between the backrest 12 and the back of the vehicle to allow the backrest 12 to be tilted within a certain range. In this embodiment, detection device knocks into back can comprise sensors such as singlechip and accelerometer and gyroscope, and when the automobile took place to knock into back, sensor send signal made singlechip control motor 142 to begin to operate for the singlechip, and fig. 6 does the utility model relates to a partial circuit schematic diagram of preferred embodiment, but its control principle and concrete component are conventional technology, can design for the same or similar detection device that knocks into back on the automobile with reference to current, and its concrete structure and circuit are no longer repeated here.

Referring to fig. 1 to 5, in the embodiment, the positioning structure disposed between the second seat base 22 and the first seat base 11 includes a plurality of positioning plugs 221 disposed on the bottom of the second seat base 22 and a plurality of positioning jacks 112 disposed on the first seat base 11, the positioning plugs 221 can be adaptively inserted into the positioning jacks 112 to form horizontal positioning locking on the second seat base 22, each positioning plug 221 is provided with a slot 2211, the first seat base 11 is internally provided with a plug assembly 15 in a sliding manner, the plug assembly 15 is provided with a plurality of plug heads 152 capable of forming insertion matching with the slots 2211 on the positioning plugs 221 to form vertical positioning locking on the second seat base 22. In this embodiment, preferably, the periphery of the bottom of the second seat base 22 is provided with a positioning plug 221, the first seat base 11 is provided with four positioning insertion holes 112 adapted to the positioning plug 221, the latch assembly 15 includes a guide rail 151 slidably disposed in the first seat base 11, the guide rail 151 can slide back and forth relative to the first seat base 11, the guide rail 151 is connected with four latch heads 152 capable of aligning with the insertion slots 2211 on the positioning plug 221 when the positioning plug 221 is inserted into the positioning insertion holes 112, the front end of the guide rail 151 is provided with a handle 153 facilitating to pull the guide rail 151 to slide back and forth, a return spring 154 enabling the guide rail 151 to automatically return back is disposed between the guide rail 151 and the inner wall of the front end of the first seat base 11, and the front end of the first seat base 11 is provided with an opening 113 to pull the handle 153. In this embodiment, when the second seat needs to be detached, the handle 153 is pulled from the opening 113 to disengage the plug head 152 from the slot 2211 of the positioning plug 221, and then the second seat base 22 is lifted to detach the second seat.

Referring to fig. 5, in the present embodiment, armrests 114 are provided on both sides of the first seat base 11, and when the second seat is removed and the first seat 1 is separately installed on a car seat for a child of an older age, the armrests 114 on both sides of the first seat base 11 can facilitate the seating of the child.

The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; these modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and therefore, all other embodiments obtained by those skilled in the art without any creative effort fall within the protection scope of the present invention.

Claims (7)

1. A child safety seat, characterized by: the child seat comprises a first seat (1) for a large child to sit and a second seat (2) detachably connected to the first seat (1) and for a young child to sit, the first seat (1) comprises a first seat base (11) and a backrest (12) connected to the first seat base (11) in a turnover mode, an ISOFIX interface (13) capable of being connected with a car seat is arranged on the first seat base (11), the second seat (2) comprises a second seat body (21) and a second seat base (22) fixedly connected to the bottom of the second seat body (21), a positioning structure capable of being matched with each other is arranged between the second seat base (22) and the first seat base (11) to enable the second seat base (22) to be detachably connected to the first seat base (11) and capable of adjusting the forward and reverse installation directions, a driving portion capable of driving the backrest (12) to tilt forward relative to the first seat base (11) when a rear-end collision occurs to the car is arranged in the first seat base (11) And (14).

2. The child safety seat according to claim 1, wherein: the backrest is characterized in that support frames (111) are arranged on two sides of the first seat base (11), two sides of the middle of the backrest (12) are hinged to the support frames (111) respectively, and the bottom of the backrest (12) abuts against the first seat base (11) to form limiting fit so as to prevent the backrest (12) from being turned backwards.

3. The child safety seat according to claim 2, wherein: the driving part (14) comprises a rack (141) which is arranged in the first seat base (11) in a sliding mode and a motor (142) which can drive the rack (141) to move back and forth relative to the first seat base (11).

4. The child safety seat according to claim 3, wherein: the child safety seat further comprises a rear-end collision detection device which is installed on the automobile and is in communication connection with the motor (142), and when the rear-end collision detection device detects that the automobile has a rear-end collision, the rear-end collision detection device controls the motor (142) to operate and drives the rear end of the rack (141) to push against the lower end of the backrest (12) to move backwards so that the backrest (12) tilts forwards and turns over relative to the first seat base (11).

5. The child safety seat according to claim 1, wherein: the positioning structure of utensil between second seat base (22) and first seat base (11) is including establishing a plurality of location plug (221) on second seat base (22) bottom and establishing location jack (112) on first seat base (11), location plug (221) can insert location jack (112) with forming the horizontal direction location locking to second seat base (22) with adaptation, and all be equipped with slot (2211) on every location plug (221), first seat base (11) internal slip is equipped with bolt subassembly (15), be equipped with on bolt subassembly (15) a plurality of can form plug-in complex bolt head (152) with slot (2211) on location plug (221) with form vertical direction location locking to second seat base (22).

6. The child safety seat according to claim 5, wherein: the periphery of the bottom of the second seat base (22) is respectively provided with a positioning plug (221), the first seat base (11) is provided with four positioning jacks (112) matched with the positioning plugs (221), the plug pin assembly (15) comprises a guide slide rail (151) arranged in the first seat base (11) in a sliding manner, the guide slide rail (151) can slide back and forth relative to the first seat base (11), the guide slide rail (151) is connected with four plug pin heads (152) which can be aligned with slots (2211) on the positioning plugs (221) when the positioning plugs (221) are inserted into the positioning jacks (112), the front end of the guide slide rail (151) is provided with a handle (153) convenient for pulling the guide slide rail (151) to slide back and forth, a reset spring (154) enabling the guide slide rail (151) to automatically reset backwards is arranged between the guide slide rail (151) and the inner wall of the front end of the first seat base (11), an opening (113) is formed at the front end of the first seat base (11) so as to facilitate the pulling of the handle (153).

7. The child safety seat according to any one of claims 1 to 6, wherein: armrests (114) are arranged on two sides of the first seat base (11).