Foldable child seat
Technical Field
The present invention relates to car seats and more particularly to a foldable child seat.
Background
Most of the existing automobile seats are single automobile seats which can only be used for adults to sit, however, the demand of children passengers is increased, the automobile holding capacity in China is increased, and the riding safety of children becomes a prominent problem of the traffic safety in China. In the prior art, the child safety seat is usually additionally installed to secure the child in a car, wherein a five-point safety belt is installed on the child seat, that is, the safety belt is fixed to a buckle between two legs through two shoulders and buttocks. Due to the passing mode of the five-point safety belt, all child safety seats in the prior art are non-foldable seats, so that a large number of positions in a vehicle are occupied.
Disclosure of Invention
The invention provides a foldable child seat, aiming at solving the problem that a child seat in the prior art occupies a large amount of space in a vehicle.
The foldable child seat comprises a cushion framework and a backrest framework, wherein the backrest framework is overlapped above the cushion framework in a folding state, the backrest framework is turned up relative to the cushion framework in an unfolding state, the cushion framework is provided with a bypass type guide structure, the backrest framework is provided with a slide type guide structure, the foldable child seat is provided with a five-point type safety belt structure, the five-point type safety belt structure is provided with an adjusting woven belt, and the direction of the adjusting woven belt is determined by the bypass type guide structure and the slide type guide structure; in the folded state, the adjustment webbing has a first exposed length between the pass-by guide structure and the slide-over guide structure; in the deployed state, the adjustment webbing has a second exposed length between the pass-by guide structure and the slide-through guide structure; the first exposed length is equal to the second exposed length.
Preferably, this five point type safety belt structure still includes an adjuster, a connection piece, a buckle, first meshbelt, the second meshbelt, the third meshbelt, fourth meshbelt and fifth meshbelt, wherein, this adjuster and this connection piece are connected respectively to the both ends of this regulation meshbelt, this buckle and this connection piece are connected respectively to the both ends of this first meshbelt, this buckle and this connection piece are connected respectively to the both ends of this second meshbelt, one side of this buckle and this cushion skeleton is connected respectively to the both ends of this third meshbelt, the opposite side of this buckle and this cushion skeleton is connected respectively to the both ends of this fourth meshbelt, the middle part of this buckle and this cushion skeleton is connected respectively to the both ends of this fifth meshbelt.
Preferably, the connecting piece and the buckle are respectively arranged at two opposite sides of the backrest framework, and the backrest framework is provided with a first through hole for the first webbing to pass through and a second through hole for the second webbing to pass through.
Preferably, the end of the first webbing passing through the first through hole is attached to one side of the connecting piece by a loop structure, and the end of the second webbing passing through the second through hole is attached to the other side of the connecting piece by a loop structure.
Preferably, the connecting piece is a "jiong" type piece.
Preferably, the seat cushion frame further has a third through hole through which the third webbing is passed, a fourth through hole through which the fourth webbing is passed, and a fifth through hole through which the fifth webbing is passed.
Preferably, the end of the third webbing that passes through the third through hole is fixed to the first fixing piece by being mounted on the loop structure, the end of the fourth webbing that passes through the fourth through hole is fixed to the second fixing piece by being mounted on the loop structure, and the end of the fifth webbing that passes through the fifth through hole is fixed to the third fixing piece by being mounted on the loop structure.
Preferably, the first, second and third securing tabs are each "day" shaped tabs.
Preferably, the cushion frame further has a through-type guide structure, the through-type guide structure has a first guide opening, and the adjusting webbing is guided by penetrating through the through-type guide structure through the first guide opening.
Preferably, the bypass guide structure comprises a stop frame, a step pin and a bushing, the stop frame is formed by two opposite side walls, the step pin penetrates through the opposite side walls and is connected to the stop frame, the bushing is sleeved on the step pin between the two opposite side walls, and the adjusting webbing is guided by bypassing the step pin.
Preferably, the slide-through guide structure has a second guide opening through which the adjustment webbing is guided through the slide-through guide structure.
Preferably, the slide-through guide structure also has a stop surface and a guide surface for defining the position of the adjustment webbing.
According to the foldable child seat, the lengths of the webbing exposed out of the seat (namely the first length L1 and the second length L2) are adjusted to be equal all the time in the folding and unfolding processes of the child seat through the arrangement of the bypass type guide structure and the slide-through type guide structure, the phenomenon that the five-point type safety belt is pulled back and clamped cannot occur in the folding process of the child seat, and the potential safety hazard of false tensioning of the safety belt when the child seat is in a use state is avoided.
Drawings
FIG. 1A is a schematic view of a foldable child seat according to a preferred embodiment of the present invention in a folded configuration;
FIG. 1B is a schematic view of a foldable child seat according to a preferred embodiment of the present invention in an unfolded state;
FIG. 1C is a schematic view of a foldable child seat according to a preferred embodiment of the present invention in use;
FIG. 2 is a schematic structural diagram of a belt structure according to a preferred embodiment of the present invention;
FIG. 3 is a schematic view of a child seat frame with a partial harness structure installed;
fig. 4 is a partial exploded view of the seat cushion frame of fig. 3;
FIGS. 5A-5B are enlarged partial views of the back frame of FIG. 3;
fig. 6 is a top view of the seat cushion frame of fig. 3;
FIG. 7 illustrates a first length of the adjustment webbing exposed from the seat in the folded condition of FIG. 1A;
fig. 8 illustrates the second length of the adjustment webbing exposed outside of the seat in the deployed state of fig. 1B.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1A-1B, a foldable child seat S according to a preferred embodiment of the present invention facilitates seating of an adult in a folded state and seating of a child in an unfolded state. Specifically, as shown in fig. 1C, the foldable child seat S has a five-point seat belt structure 1, so that the child riding safety is ensured by the five-point seat belt 1.
As shown in fig. 2, the five-point seat belt structure 1 includes an adjuster 11, an adjustment webbing 12, a connecting strap 13, a buckle 14, a first webbing 15, a second webbing 16, a third webbing 17, a fourth webbing 18, and a fifth webbing 19, wherein, regulator 11 sets up in the place ahead of children's seat's cushion, adjust the both ends of meshbelt 12 and connect regulator 11 and connection piece 13 respectively, connection piece 13 sets up in children's seat's back's rear side, buckle 14 sets up in children's seat's back's front side, buckle 14 and connection piece 13 are connected respectively to the both ends of first meshbelt 15, buckle 14 and connection piece 13 are connected respectively to the both ends of second meshbelt 16, buckle 14 and one side of children's seat's cushion are connected respectively to the both ends of third meshbelt 17, buckle 14 and the opposite side of children's seat's cushion are connected respectively to the both ends of fourth meshbelt 18, buckle 14 and the middle part of children's seat's cushion are connected respectively to the. As can be seen from fig. 1C, in the use state, the first webbing 15 is inserted into the buckle 14 from the backrest over the right shoulder of the child, the second webbing 16 is inserted into the buckle 14 from the backrest over the left shoulder of the child, the third webbing 17 is inserted into the buckle 14 from the seat cushion over the right leg of the child, the fourth webbing 18 is inserted into the buckle 14 from the seat cushion over the left leg of the child, and the fifth webbing 19 is inserted into the buckle 14 from the seat cushion over the crotch of the child, so that the riding safety of the child is ensured in all directions, and particularly, the connecting piece 13 can be pulled by adjusting the adjuster 11 to adjust the adjusting webbing 12 back and forth, so that the purpose of adjusting the tightness of the first webbing 15 and the second webbing 16 (i.e., the shoulder webbing) is achieved.
As shown in fig. 3, the child seat S has a seat cushion frame 21 and a back frame 22 foldable relative to the seat cushion frame 21, wherein a through guide structure 211 is provided at a position near a front end of the seat cushion frame 21, a bypass guide structure 212 is provided at a rear end of the seat cushion frame 21, a slide guide structure 221 is provided at a bottom end of the back frame 22, and the adjustment webbing 12 is connected to the connecting piece 13 from the adjuster 11 through the through guide structure 211, the bypass guide structure 212, and the slide guide structure 221 in this order. The adjusting webbing 12 is oriented by means of the guide structures 211, 212, 221. In addition, the back frame 22 has a first through hole 22a through which the first webbing 15 passes, and with reference to fig. 2, the tip end of the first webbing 15 passing through the first through hole 22a is mounted on the right-top side of the connecting piece 13 by a loop structure. Further, the back frame 22 has a second through hole 22b through which the second webbing 16 is passed, and with reference to fig. 2, the tip end of the second webbing 16 passed through the second through hole 22b is hung on the left top side of the connecting piece 13 by a loop structure. In this embodiment, the connecting piece 13 is a "jiong" type piece.
As shown in fig. 4, the pass-through guide 211 is a guide block having a first guide opening 211a opened forward and backward, and the adjustment webbing 12 passes through the guide block forward and backward through the first guide opening 211a in conjunction with fig. 3. The passing-around guide structure 212 includes a limiting frame 212a, a step pin 212b and a bushing 212c, wherein the limiting frame 212a is two opposite side walls vertically arranged, the step pin 212b penetrates the opposite side walls from left to right to be connected to the limiting frame 212a, the bushing 212c is sleeved on the step pin 212b between the two opposite side walls, and in combination with fig. 3, the adjusting webbing 12 passes around the step pin 212b from below and extends forwards.
As shown in fig. 5A-5B, the slide-through guide structure 221 is a guide block having a second guide opening 221a opened up and down, and the adjustment webbing 12 passes through the guide block up and down through the second guide opening 221a, in conjunction with fig. 3. In addition, the guide block is formed with a stopper surface 221b on both left and right sides, and the left and right positions of the adjustment webbing 12 are restricted by the stopper surface 221b, as shown in fig. 3. Also, the rear side of the guide block is formed as a guide surface 221c, and the front-rear position of the adjustment webbing 12 is defined by the guide surface 221c, in conjunction with fig. 3.
As shown in fig. 6, the seat cushion frame 21 further has a third through hole 21a through which the third webbing 17 is passed, and as shown in fig. 2, the end of the third webbing 17 passed through the third through hole 21a is fixed by being attached to the first fixing piece 17a by a loop structure. The seat cushion frame 21 further has a fourth through hole 21b through which the fourth webbing 18 is inserted, and as shown in fig. 2, the end of the fourth webbing 18 inserted through the fourth through hole 21b is fixed to the second fixing piece 18a by being attached to a loop structure. The seat cushion frame 21 further has a fifth through hole 21c through which the fifth webbing 19 is inserted, and as shown in fig. 2, the end of the fifth webbing 19 inserted through the fifth through hole 21c is fixed to the third fixing piece 19a by being attached to a loop structure. In this embodiment, the fixing pieces 17a, 18a, 19a are all "day" shaped pieces.
In particular, as shown in fig. 7-8, by the arrangement of the bypass guide 212 and the slide-through guide 221, the lengths of the webbing 12 exposed outside the seat (i.e., the first length L1 and the second length L2) are always equal during the folding and unfolding process of the child seat, so that the five-point seat belt 1 is ensured not to be pulled back and jammed during the folding process of the child seat, and the potential safety hazard of false tightening of the seat belt when the child seat is in use is avoided.
The above embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and various changes may be made in the above embodiments of the present invention. All simple and equivalent changes and modifications made according to the claims and the content of the specification of the present application fall within the scope of the claims of the present patent application. The invention has not been described in detail in order to avoid obscuring the invention.