A kind of child safety seat
Technical field
The utility model relates to a kind of vehicle safety equipment, specifically a kind of child safety seat.
Background technology
ISOFIX fixed system complete in automobile includes the crocodile mouth of two fixing two band hooks on the seat, and two beckets are designed in motor vehicle seat back and cushion intersection, when child seat is installed by operation crocodile in the mouth the hook in face hook becket and reach rigidly connected object, existing child safety seat ISOFIX interface arrangement is generally fixedly chosen a place to give a banquet the rear side in pad portion or the bottom in seat cushion portion, ISOFIX interface arrangement mainly comprises ISOFIX interface and adapter plate, adapter plate is bolted in the seat cushion portion of safety seat, because seat cushion portion is that plastic material blowing forms, conveniently adapter plate is fixed, current common way be arrange one in the bottom of cushion part and rear side corner can the depressed part of strip of accommodating adapter plate, adapter plate is fixed in the depressed part of strip by bolt-through seat cushion portion, ISOFIX interface is hinged on the rear end of adapter plate, current this structure is when crashing, the whole stress point of child safety chair all acts on the junction in bolt and seat cushion portion, because the general plastic material blowing of child safety seat cushion part forms, bolt and seat cushion portion area of contact little, plastic material cannot reach the intensity of metal bolts, when being subject to powerful pulling force or impulsive force instantaneously, junction easily goes out to break, thus affect the safety of child seat.
Utility model content
The purpose of this utility model is to provide a kind of child safety seat, the adapter plate of ISOFIX interface is arranged to L shape, and inside L shape adapter plate, a grade limit is set, two mounting grooves coordinated with L shape adapter plate are provided with in the bottom in the seat cushion portion of described safety seat, when the two ends of L shape adapter plate are by bolt-through seat cushion portion, and L shape adapter plate is fixed in mounting groove; The adapter plate of original vertical bar shape is arranged to L shape by the utility model, and arrange a grade limit inside L shape adapter plate, the sidewall that shelves limit is put with installation coordinates simultaneously, considerably increases near by area, thus improves the intensity of connecting portion, thus improve the safety of child seat.
For achieving the above object by the following technical solutions:
A kind of child safety seat, comprise seat cushion portion and backrest, bottom seat cushion portion, the corner of rear side is provided with ISOFIX interface arrangement, it is characterized in that: described ISOFIX interface arrangement comprises adapter plate and ISOFIX interface, described adapter plate is L shaped plate, the inner side edge of L shaped plate is along the shelves limit be provided with upwards, two fixed grooves coordinated with L shaped plate are provided with bottom described seat cushion portion, two fixed grooves are symmetrically distributed in the bottom in seat cushion portion, the rear side in seat cushion portion is provided with the opening communicated with fixed groove, the free end of L shaped plate transverse part and longitudinal part is provided with screw, the two ends of L shaped plate are bolted in fixed groove, the sidewall of fixed groove is close on shelves limit inside L shaped plate, described ISOFIX interface is articulated with on the free end of L shaped plate longitudinal part.
Described bolt runs through seat cushion portion from bottom to top.
Arrange in described both sides, seat cushion portion the safe edge upwards extended, arrange belt guide loop at described safe edge top, be positioned to offer below belt guide loop at safe edge and junction, seat cushion portion and put guide groove, the top of safe edge offers the opening be communicated with guide groove.
Be in region between two guide grooves bottom described seat cushion portion to arrange in depression.
In the both sides at described backrest top, shoulder hamess guide ring is set.
The both sides of described backrest are provided with flap, and the centre of flap and backrest junction offers T-shaped guide groove, and flap is separated into upper flap and lower flap by T-shaped guide groove.
The utility model is provided with two fixed grooves in the bottom in the seat cushion portion of safety seat, two mounting grooves coordinate with L shape adapter plate, at L shape adapter plate inner side edge along the shelves limit be also provided with upwards, and the sidewall of fixed groove is close on the shelves limit inside L shaped plate, the stress point that adapter plate is connected with seat cushion portion by this set is by original bolt and also single between hole stress point, expand to two between bolt with screw and the bearing surface that between shelves limit and fixed groove sidewall, some face combines, bearing capacity is greatly strengthen relative to existing structure, thus improve the safety of child seat.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model bottom construction schematic diagram;
Fig. 3 is the utility model safety strap strap-on structure schematic diagram;
Fig. 4 is the safety strap strap-on structure schematic diagram bottom the utility model seat cushion portion;
Fig. 5 is the structural representation that the utility model protects pillow.
Detailed description of the invention
As Figure 1-5, a kind of child safety seat, comprise seat cushion portion 1 and backrest 2, bottom seat cushion portion 1 and the corner of rear side be provided with ISOFIX interface arrangement 3, it is characterized in that: described ISOFIX interface arrangement 3 comprises adapter plate 31 and ISOFIX interface 32, described adapter plate 31 is L shaped plate, the inner side edge of L shaped plate is along the shelves limit 33 be provided with upwards, two fixed grooves coordinated with L shaped plate 11 are provided with bottom described seat cushion portion 1, two fixed grooves 11 are symmetrically distributed in the bottom in seat cushion portion 1, the rear side in seat cushion portion 1 is provided with the opening 12 communicated with fixed groove 11, the free end of L shaped plate transverse part and longitudinal part is provided with screw, the two ends of L shaped plate are fixed in fixed groove 11 by bolt 4, described bolt 4 runs through seat cushion portion 1 from bottom to top, the sidewall of fixed groove 11 is close on shelves limit 33 inside L shaped plate, described ISOFIX interface 32 is articulated with on the free end of L shaped plate longitudinal part.
Because ISOFIX interface is arranged on the both sides bottom seat cushion portion 1, the utility model design fixed groove 11 structure time consider fixed groove 11 must and both sides of the edge, seat cushion portion 1 between keep certain distance, to ensure that seat cushion portion 1 can be normally shaping, also to consider that five-point safety band is flexible convenient simultaneously, need to vacate a longitudinal space in the middle part of bottom seat cushion portion 1 to pass for five-point safety band, therefore the fixed groove 11 of both sides is symmetrically distributed in the both sides of safety strap guide groove by the utility model, and shape is L shape; This structure can ensure the reliability that adapter plate 31 is connected with seat cushion portion 1, does not affect seat cushion portion 1 normally shaping simultaneously.
The stress point that adapter plate is connected with seat cushion portion by the utility model this set is by original bolt and also single between hole stress point, expand to two between bolt with screw and the bearing surface that between shelves limit and fixed groove sidewall, some face combines, greatly strengthen bearing capacity relative to existing structure, thus improve the safety of child seat.
The utility model arranges the safe edge 13 upwards extended in described both sides, seat cushion portion 1 in addition, at described safe edge 13 top, belt guide loop 5 is set, be positioned in safe edge 13 and junction, seat cushion portion 1 to offer below belt guide loop and put guide groove 15, the top of safe edge 13 offers the opening 16 be communicated with guide groove 15; Be in region between two guide grooves 15 bottom described seat cushion portion 1 to arrange in depression.Arrange shoulder hamess guide ring 7 in the both sides at described backrest 2 top, the both sides of described backrest 2 are provided with flap, the centre of flap and backrest 2 junction offers T-shaped guide groove 8, and flap is separated into upper flap 21 and lower flap 22 by T-shaped guide groove 8.
As shown in Figure 3-4, the utility model is when adopting car belt binding child safety seat, the upper safety strap of car belt passes from wherein side T-shaped guide groove 8, walks around passing from opposite side T-shaped guide groove 8 again on front side of backrest 2, is then connected with safety strap box downwards; The lower safety strap of car belt is first through the belt guide loop 5 at side safe edge 13 top, then walk around bottom seat cushion portion and to wear from opposite side guide groove 15 through guide groove 15 and to speed up the inner side of opposite side safe edge 13 inside safe edge 13, again through the belt guide loop 5 at opposite side safe edge 13 top, finally be connected with box, the binding mode that this lower safety strap is directly walked around bottom seat cushion portion, when bundling without the need to dismantling the cloth cover of child safety seat, bundle convenient.
The utility model arranges shoulder in the both sides at backrest 2 top and is also provided with belt guide loop 7, this design designs for great Tong, upper safety strap directly passes from the belt guide loop 7 of wherein side, walk around from human body front portion and be connected with safety strap box, lower safety strap penetrates from the guide groove 15 of wherein side, then walks around to pass from the guide groove 15 of opposite side above human leg to be connected with safety strap box again; This adult's bikini binding mode is applicable to comparatively Older children and makes, so child safety seat age range of the present utility model is comparatively large, the children being applicable to various age level use.
The utility model is also provided with in the front side of backrest 2 and protects pillow 6, protect rational height guide groove 61 on pillow 6, height guide groove 61 inwall is provided with a circle positioning convex ring 62, orienting lug 9 is provided with in height guide groove 61, orienting lug 9 is pushed down positioning convex ring 62 and connected backrest 2 to be had on leading flank, the both sides of orienting lug 9 are provided with locating convex block 92, and the centre of both sides locating convex block 92 has elasticity through hole 91, and described height guide groove 61 both sides inwall arranges the gear groove 63 coordinated with locating convex block; The utility model protects the front side that pillow 6 is provided with backrest 2, the both sides of backrest 2 are provided with flap, flap plays positioning action to the transverse direction of protecting pillow 6, therefore the utility model adjustment structure is relatively simple, offer elasticity through hole 92 orienting lug 9 by inside to coordinate with height guide groove 61, structure is simple, easy to adjust.