Child safety seat
[technical field]
The present invention relates to child safety seat, particularly a kind of safety strap can the open and flat child safety seat opened automatically.
[background technology]
Child safety seat a kind ofly aims at the designed for children of different weight or Different age group, and it is for being strapped in seat by child, effectively to improve the safety of children riding.Child safety seat is typically provided with safety strap---shoulder belt and crotch strap, it is fastened by safety buckle.Safety strap is not when using, and what it usually can be mixed and disorderly is stacked in safety seat.And when infant takes a seat, usually need first safety strap to be pushed aside, to vacate seat space, its design is comparatively not humane.Especially when user embraces child alone, because child is embraced in both hands holder, if without other people help, just be difficult to vacate a hand first the safety strap be deposited in safety seat is pushed aside, and after first child can only being put into seat, pulled by safety strap from child's health, it not only can make child uncomfortable, and easily wakes the child slept soundly up again.Therefore, existing child safety seat still has improvements.
[summary of the invention]
The present invention is intended to solve the problem, and when providing one to untie safety buckle, safety strap can automatically open and flatly be opened, thus is convenient to the child safety seat that children take a seat.
For achieving the above object, the invention provides a kind of child safety seat, it is characterized in that, it comprises the seat body of placing children, seat body is provided with constraint child safety and is seated at shoulder belt in seat body and crotch strap, safety buckle box is provided with in the end of described crotch strap, it is characterized in that, elastic supporting member for supporting optical member is respectively equipped with in the both sides of described seat body, elastic recovery part is provided with the coupling end of seat body in described crotch strap, described shoulder belt is flexibly connected with described elastic supporting member for supporting optical member respectively, the safety buckle pin thread that can fasten with described safety buckle box is respectively equipped with in the end of described shoulder belt or elastic supporting member for supporting optical member, when loosening the safety buckle between described shoulder belt and crotch strap, described elastic supporting member for supporting optical member makes described shoulder belt outside bullet in seat, described elastic recovery part makes described crotch strap outwards rotate in seat and makes that shoulder belt and crotch strap are automatically open and flat to be opened.
Described seat body is provided with the mounting base connecting described crotch strap, described crotch strap is made up of elastomeric material, its coupling end is located in described mounting base rotationally, be provided with described elastic recovery part on the top of described crotch strap coupling end, it makes crotch strap freely outside seat, rotate reset when described crotch strap is untied.
Described elastic recovery part is formed to mounting base extension by the top of described crotch strap coupling end.
Described elastic supporting member for supporting optical member is made up of Elastic memory material, and it is vertically connected to the both sides of described seat body, and its one end is affixed with seat body respectively, and its other end is free end, and described shoulder belt is movably connected on the free end of this elastic supporting member for supporting optical member.
The movable span wearing described shoulder belt is provided with at the free end of described elastic supporting member for supporting optical member.
Be connected with described safety buckle pin thread at the free end of described elastic supporting member for supporting optical member, described safety buckle pin thread is provided with described movable span.
Be provided with mounting hole along its length at the free end of described elastic supporting member for supporting optical member, described safety buckle pin thread is plugged in described mounting hole, and by being coated on its outer plastic parts secure bond.
Described elastic supporting member for supporting optical member is fixed on two relative madial walls of described seat body by connecting element with the coupling end that seat body connects.
The end of described shoulder belt is connected to through the movable span of described elastic supporting member for supporting optical member installs on seat.
Favorable attributes of the present invention is, it efficiently solves the problems referred to above.The present invention is by vertically arranging elastic supporting member for supporting optical member in seat body both sides, make shoulder belt movable through described elastic supporting member for supporting optical member, and elastic recovery part is set at crotch strap coupling end, thus when the safety buckle of shoulder belt and crotch strap is untied, described shoulder belt can be back to outside seat by appliance for releasing single under the elastic reaction of elastic supporting member for supporting optical member, crotch strap can automatically return to towards the direction outside seat under the elastic reaction of elastic recovery part, thus make that shoulder belt and crotch strap are automatically open and flat to be opened, facilitate user to place children, and first arrange safety strap before placing.Child safety seat structure of chair of the present invention is simple, easy to use, and practicality is very strong, should vigorously implement.
[accompanying drawing explanation]
Fig. 1 be shoulder belt of the present invention with across being with the status architecture schematic diagram fastening and use.
Fig. 2 be shoulder belt of the present invention with across the status architecture schematic diagram be with when loosening.
Fig. 3 is the structural representation of crotch strap of the present invention and mounting base.
Fig. 4 is the structural representation of elastic supporting member for supporting optical member of the present invention.
Seat body 1, crotch strap 2, safety buckle box 3, elastic supporting member for supporting optical member 4, elastic recovery part 5, mounting base 6, convex edge 61, movable span 7, safety buckle pin thread 8, plastic parts 9, connecting element 10, shoulder belt 11.
[detailed description of the invention]
The following example is to further explanation of the present invention and supplements, and does not constitute any limitation the present invention.
As shown in Figure 1 and Figure 2, child safety seat of the present invention, it comprises seat body 1, shoulder belt 11, crotch strap 2.Described seat body 1 is for placing infant, and its version can with reference to existing form.Described shoulder belt 11 and crotch strap 2, for fettering infant, make it can be seated at safely in seat body 1.The safety buckle box 3 fastening shoulder belt 11 is provided with in the end of described crotch strap 2.When use location, shoulder belt 11 is restrainted in chest and shoulder, and crotch strap 2 is between the both legs of infant.Existing safety seat is typically provided with 2 shoulder belts 11, and Partial security seat is provided with 4 shoulder belts 11, in the present embodiment, to be provided with the safety seat of 2 shoulder belts 11.In other embodiments, with reference to the structure of the present embodiment, adaptability revision can be made to meet the safety seat user demand of different shoulder belt 11 quantity.
As shown in Figure 1 to 4, broad outlines of the present invention is, elastic supporting member for supporting optical member 4 is respectively equipped with in the both sides of described seat body 1, elastic recovery part 5 is provided with the coupling end of seat body 1 in described crotch strap 2, described shoulder belt 11 is flexibly connected with described elastic supporting member for supporting optical member 4 respectively, when loosening safety buckle, elastic supporting member for supporting optical member 4 can make shoulder belt 11 outwards flick in seat, described elastic recovery part 5 can make crotch strap 2 outwards rotate in seat, thus automatically can make shoulder belt 11 and crotch strap 2 is open and flat opens, be convenient to user and lay infant, reduce the loaded down with trivial details affairs arranging safety strap.
Particularly, as shown in Figure 1 and Figure 2, described seat body 1 is provided with the mounting base 6 connecting described crotch strap 2.For making ride comfort, described seat body 1 is provided with the mounting groove matched with described mounting base 6, described mounting base 6 can be fixed in described mounting groove in known manner, and the seat plain of the upper surface of mounting base 6 and seat body 1 is matched.The groove body that described mounting base 6 is constantly deepened in the degree of depth, its periphery is provided with convex annular along 61.Described crotch strap 2 is made up of elastomeric material, and in the present embodiment, it is made up of silica gel, not only beautiful and comfortable, and the crotch of infant or belly can be protected from collision.The length of described crotch strap 2 can be arranged according to actual needs, and its one end is rotating to be connected in described mounting base 6, and the downside surface of its other end is fixed with the safety buckle box connecting shoulder belt 11 or elastic supporting member for supporting optical member 4.
One end that described crotch strap 2 is connected with mounting base 6 is coupling end, and its one end being provided with box is free end.Be provided with elastic recovery part 5 at the coupling end of described crotch strap 2, it freely returns back to towards the position outside seat when untiing for making crotch strap 2.In the present embodiment, described elastic recovery part 5 is one-body molded with described crotch strap 2, and it is stretched out by the coupling end top of crotch strap 2 and forms, and this elastic recovery part 5 is connected on the convex edge 61 at mounting base 6 rear portion.When resting guard, described crotch strap 2 contacts with the seat plain of seat body 1, and towards outside seat, now described elastic recovery part 5 is in free state, and it is positioned at above the convex edge 61 of mounting base 6, or with convex edge 61 gentle touchdown of mounting base 6.When needs buckle safety buckle, inwardly rotate described crotch strap 2, now the elastic recovery part 5 of crotch strap 2 coupling end is in squeezed state.When loosening safety buckle from buckling state, described elastic recovery part 5 loses squeese pressure and freely returns back to previous status, thus crotch strap 2 can be made to return back to towards on the position outside seat.
In order to make, shoulder belt 11 is freely open and flat to be opened, and is respectively equipped with elastic supporting member for supporting optical member 4 in the both sides of described seat body 1.
As shown in Figure 3, Figure 4, described elastic supporting member for supporting optical member 4 is in strip, and it is made up of Elastic memory material, as silica gel.Described elastic supporting member for supporting optical member 4 can bend under external force, and freely can return back to original state when losing External Force Acting.Described elastic supporting member for supporting optical member 4 is vertically connected to the both sides of seat body 1, and its one end is fixed on two relative madial walls of described seat body 1 by connecting element 10, and its other end is free end.In the present embodiment, described connecting element 10 is made up of plastic cement, and described elastic supporting member for supporting optical member 4 is fixed on the inwall of seat body 1 by screw by it.In other embodiments, described connecting element 10 also can be miscellaneous part.Be provided with movable span 7 at the free end of described elastic supporting member for supporting optical member 4, it is opened automatically outwards open and flat for shoulder belt 11 for being flexibly connected shoulder belt 11.Described movable span 7 directly can be located at the free end of described elastic supporting member for supporting optical member 4, and its size is greater than described shoulder belt 11, and is less than the size of safety buckle box 3.In the present embodiment, be provided with mounting hole 41 along its length at the free end of described elastic supporting member for supporting optical member 4, be plugged with safety buckle pin thread 8 in it, this safety buckle pin thread 8 is provided with described movable span 7.Described shoulder belt 11 can make its other end fixing with in safety seat through the movable span 7 of this safety buckle pin thread 8, thus can utilize the safety buckle pin thread 8 of elastic supporting member for supporting optical member 4 and fasten across the safety buckle box 3 on band 2.
For making pin thread be combined firmly with elastic supporting member for supporting optical member 4, be coated with plastic parts 9 in the periphery of described elastic supporting member for supporting optical member 4, it, after safety buckle pin thread 8 loads elastic supporting member for supporting optical member 4, makes the three together with known technologies such as ultrasonic weldings.
By this, child safety seat of the present invention is just defined.During use, first by the movable span 7 of shoulder belt 11 through described elastic supporting member for supporting optical member 4 free end.Because elastic supporting member for supporting optical member 4 and elastic recovery part 5 all have elasticity, it does not affect the normal use of shoulder belt 11 and crotch strap 2, therefore, during use, and can as usual manner by connected to each other to shoulder belt 11 and crotch strap 2.And when untiing the safety buckle between shoulder belt 11 and crotch strap 2, described shoulder belt 11 is by the effect of elastic supporting member for supporting optical member 4 to bullet outside seat, crotch strap 2 outwards turns by the effect of elastic recovery part 5, thus makes shoulder belt 11 and crotch strap 2 is automatically open and flat opens.Like this, when next user need embrace infant enter seat time, just do not need in advance safety strap to be stirred to vacate seat space outward, greatly easy to use.
Although by above embodiment to invention has been announcement, scope of the present invention is not limited thereto, and under the condition not departing from the present invention's design, above each component can be replaced with the similar or equivalent element that art personnel understand.