CN211684778U - Child safety seat and side wing width adjusting mechanism thereof - Google Patents

Abstract

The utility model discloses a child safety seat and a lateral wing width adjusting mechanism thereof, a limiting component is arranged between a lateral wing and a chair back and used for limiting the relative position between the lateral wing and the chair back; and the driving assembly is arranged on the side wings and used for driving the side wings and the chair back body to release the limit, so that the side wings and the chair back body can move relatively, and the width between the two side wings can be adjusted. The utility model discloses a children's safety seat and flank width adjustment mechanism thereof only need adjust the head rest height alright change the flank width through solitary driving piece, and it is convenient to adjust.

Description

Child safety seat and side wing width adjusting mechanism thereof

Technical Field

The utility model belongs to the technical field of the safety seat technique and specifically relates to a children's safety seat and flank width adjustment mechanism thereof.

Background

At present, parents have stronger and stronger awareness of safety protection of children taking a car, so that automobile child safety seats are increasingly popularized. Children are in a long-body stage every day, and as the body grows, the original size of the safety seat will not suffice. However, the width of the side wings of most child safety seats cannot be adjusted, and the child safety seats must be replaced by new ones to meet the requirements of safety and comfort of children taking a car, so that the practical value of the child safety seats is greatly reduced, and waste is caused.

Although some seats have the function of adjusting the width of the side wings as the market demands and the technology innovations, the width of the side wings and the height of the headrest are adjusted synchronously in the prior seat structure; that is, when the width of the side wings is adjusted, the height of the headrest is also adjusted at the same time, because in the existing structure, the height of the headrest relative to the backrest can be adjusted to drive the side wings to pivot, thereby achieving the purpose of adjusting the height of the headrest and the width of the side wings at the same time, but the problems of the safety seat are as follows: when a plurality of safety seats are arranged on the automobile backseat, the side wings of the safety seats interfere with each other or with an automobile door, and at the moment, if the headrest is not adjusted, the width of the side wings cannot be changed, so that the use is inconvenient, and a certain adjustment limitation exists in a linkage type adjusting mode. In addition, in the regulation related to the new regulation ECE R129 of the child restraint system of the motor vehicle, when the headrest height is adjusted, the width range of the side wings is limited, but in the existing structure, the structure that the width of the side wings is synchronously adjusted through the headrest height is not suitable for the regulation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a technical problem that will solve is: the defects of the prior art are overcome, and a side wing width adjusting mechanism which can change the width of the side wing only through a separate driving piece without adjusting the height of the headrest is provided.

The utility model discloses another technical problem that will solve is: a child safety seat is provided in which the width of the side wings can be changed by a separate driving member without adjusting the height of the headrest.

The utility model adopts the technical proposal that: the utility model provides a back of chair flank width adjustment mechanism, be applicable to children's safety seat, be used for adjusting width between two flanks of the back of chair of children's safety seat, this adjustment mechanism includes:

the limiting assembly is arranged between the side wings and the chair back and is used for limiting the relative position between the side wings and the chair back;

and the driving assembly is arranged on the side wings and used for driving the side wings and the chair back to release the limit, so that the side wings and the chair back can move relatively, and the width between the two side wings can be adjusted.

Compared with the prior art, the utility model has the following advantage:

in the novel structure, the side wings on the two sides of the chair back and the chair back can move relatively, corresponding limiting assemblies are arranged between the side wings and the chair back and used for limiting and locking the side wings and the chair back when moving to a certain position, and corresponding first driving assemblies are arranged on each side wing and used for driving the side wings and the chair back to be relieved from limiting, so that the width adjustment between the side wings can be realized; the width adjustment of the side wing and the height adjustment of the headrest are mutually independent, and no linkage structure exists, so that the width of the side wing can be changed without adjusting the height of the headrest, the interference is reduced, the use is convenient, the operation is simple, and the method can be suitable for the relevant regulation of the new regulation ECE R129 of the motor vehicle child restraint system.

Furthermore, the side wings comprise side wing bodies and inserting plates which are perpendicular to each other, slots are respectively arranged on two sides of the chair back, and the inserting plates are in sliding fit in the corresponding slots; the first driving component is arranged on the side wing body.

Furthermore, the limiting assembly comprises a limiting block horizontally arranged on the chair back and a limiting shaft vertically arranged on the side wings, and a plurality of limiting holes are formed in the lower end of the limiting block along the horizontal direction; the first driving assembly is used for driving the limiting shaft to move among the limiting holes to be switched, and width adjustment of the side wings is achieved.

Preferably, the number of the limiting assemblies is two, and the two limiting assemblies are vertically arranged at the upper end and the lower end of one side of the side wing close to the chair back. Two spacing subassemblies set up, improve spacing stability.

As an improvement, the driving component comprises a driving block hinged on the outer side wall of the side wing body, and one end of the driving block, which is far away from the hinged point, is connected with the limiting shaft; the plug board is provided with a sliding groove, one end of the limiting shaft, which is far away from the limiting hole, is arranged in the sliding groove in a sliding mode, and a first elastic element is arranged between one end of the limiting shaft, which is far away from the limiting block, and the lower end wall of the sliding groove, so that the limiting shaft always has the upward movement trend.

In a further improvement, the driving block is flexibly connected with the limiting shaft through a stay cable; the plugboard is provided with a sliding groove for accommodating the inhaul cable. The driving block is connected with the limiting shaft through a stay cable in a driving mode, the structure is simple, driving is convenient, direction transformation can be achieved only under the action of the limiting groove at a corresponding angle, and the operation is very convenient.

And the reset assembly comprises an elastic element, the insertion plate is provided with a sliding groove, the limiting shaft is arranged in the sliding groove in a sliding manner, and the elastic element is arranged between the lower end of the limiting shaft and the lower end wall of the sliding groove.

Preferably, the elastic element is a spring.

And the improved structure is characterized in that an inner groove is formed in the outer side wall of the side wing body, a rotating shaft is arranged in the mounting groove along the vertical direction, the driving block is connected in the inner groove through the rotating shaft, and the driving block is connected with a pulling plate. The driving block articulates the inner groovy on the flank body through the pivot in, simple structure, easy dismounting to, including the opening tip of recess set up a arm-tie, increase operating area, the arm-tie is connected with the driving block, when needs rotate the driving block, with the hand pull can, it is very convenient.

Correspondingly, the utility model discloses another technical scheme who takes is: the child safety seat comprises a seat back, wherein side wings are arranged on two sides of the seat back in a sliding mode, and the seat back adjusting mechanism further comprises any one of the seat back adjusting mechanisms, so that the width of the side wings can be adjusted.

Drawings

Fig. 1 is a structural view of the child safety seat of the present invention.

Fig. 2 is another angle structure view of the child safety seat of the present invention.

Fig. 3 is a structural view of the wing width adjusting mechanism of the present invention.

Fig. 4 is an exploded view of the wing width adjusting mechanism of the present invention.

Fig. 5 is an enlarged structural view at X in fig. 3.

Fig. 6 is another angle exploded view of the wing width adjusting mechanism of the present invention.

Fig. 7 is a structural view of the child safety seat according to the present invention without the support backup plate.

Fig. 8 is a structural view of a headrest height adjusting mechanism in the present invention.

Fig. 9 is an exploded view of the headrest height adjusting mechanism of the present invention.

FIG. 10 is another perspective view of the headrest height adjusting mechanism of the present invention.

Wherein, 1-chair back, 1.1-slot, 2-flank, 2.1-flank body, 2.1.1-inner groove, 2.2-plugboard, 2.2.1-sliding groove, 3-position-limiting component, 3.1-position-limiting block, 3.1.1-position-limiting hole, 3.2-position-limiting shaft, 4-first driving component, 4.1-driving block, 5-first elastic element, 6-inhaul cable, 7-rotating shaft, 8-pulling plate, 9-headrest plugboard, 9.1-mounting groove, 10-position-locking groove, 11-position-locking rod, 11.1-guide column, 12-pulling rod, 13-sliding block, 13.1-guide hole, 14-second elastic element, 15-base, 16-chair, 17-isolating block, 17.1-through hole

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

In the description of the present invention, it should be noted that the terms "two sides", "lower end", "up and down", "inside and outside", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, the terms "first" and "second" are used for convenience of description and distinction, and have no specific meaning.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the utility model provides a child safety seat, it includes base 15 and locates seat 16 on the base 15, and the rear end of seat 16 is connected with the back of the chair 1, and the one side that is close to the seat inboard on the back of the chair 1 is equipped with supports backup plate 18, and the upper end sliding connection of this back of the chair 1 has head rest 8, and is equipped with flank 2 on the opposite sides of the back of the chair 1.

The child safety seat further comprises a limiting component 3 arranged between the side wing 2 and the seat back 1 and used for limiting the relative position between the side wing 2 and the seat back 1, and a first driving component 4 correspondingly arranged on the side wing 2 and used for driving the side wing 2 and the seat back 1 to be relieved from limiting, so that the side wing 2 and the seat back 1 can move relatively, and the width between the two side wings 2 can be adjusted.

Specifically, the limiting component 3 comprises a limiting block 3.1 horizontally arranged on the chair back 1 and a limiting shaft 3.2 vertically arranged on the plugboard 2, and the lower end of the limiting block 3.1 is provided with a plurality of limiting holes 3.1.1 along the horizontal direction; the first driving component 4 is used for driving the limiting shaft 3.2 to move and switch among the limiting holes 3.1.1, so that the width of the side wing 2 is adjusted. Specifically, the first driving component 4 drives the limiting shaft 3.2 to move up and down, and the matching and the separation with the limiting hole 3.1.1 are realized. In this embodiment, in order to reduce the weight and the rubber, and meet the design concept of light weight, a plurality of inner grooves are axially formed on two side surfaces of the lifting limiting shaft 3.2.

As shown in fig. 3, two limit assemblies 3 and two corresponding first driving members 4 are arranged between each side wing 2 and the chair back 1 of the chair; the two limiting components 3 are arranged at the upper end and the lower end of one side of the side wing 2 close to the chair back 1.

Specifically, the upper and lower both ends horizontally of the back of the chair 1 both sides is connected with stopper 3.1, and is corresponding, is equipped with two spacing axles 3.2 on flank 2, and two spacing axles 3.2 all are connected with the drive of first drive assembly 4, promptly, through controlling two first drive assemblies in order to realize the spacing of back of the chair 1 upper and lower two spacing subassemblies 3 with relieve spacingly.

As shown in fig. 3 and 4, each side wing 2 of the seat structure includes a side wing body 2.1 and a plug board 2.2 which are perpendicular to each other, slots 1.1 are respectively arranged on two sides of a bottom back board of the seat back 1, the plug board 2.2 is in sliding fit with the corresponding slots 1.1, and a U-shaped accommodating space is formed between the side wing bodies 2.1 of the two side wings 2 and the seat back 1 for the back of the child to abut against. Correspondingly in this structure, two first drive assembly 4 install respectively on two flank bodies 2.1, realize the independent control of each flank 2, it is more convenient to operate.

Specifically, as shown in fig. 3 to 6, the first driving assembly 4 includes a driving block 4.1 hinged on the outer side wall of the flank body 2.1, and one end of the driving block 4.1 far away from the hinged point is connected with the limiting shaft 3.2; be equipped with spout 2.2.1 on plugboard 2.2, the one end that spacing hole 3.1.1 was kept away from to spacing axle 3.2 slides and sets up in spout 2.2.1, spacing axle 3.2 is kept away from and is equipped with first elastic element 5 between the one end of stopper 3.1 and the lower terminal wall of spout 2.2.1 so that spacing axle 3.1 has upward movement's trend all the time, all be equipped with corresponding spacing post at the lower terminal wall of spout 2.2.1 and at the lower extreme of spacing axle 3.2, be used for supplying that first elastic element 5 cooperates spacingly. After the first elastic element 5 is arranged, when the first driving component 4 drives the limiting shaft 3.2 to move downwards to release the locking with the limiting block 3.1.1, the side wing 2 can move outwards after receiving outward pulling force, external force is released after moving a certain position, and under the elastic action of the first elastic element 5, the limiting shaft 3.2 moves upwards to reset and is assembled in another limiting hole 3.1.1, so that the width adjustment of the side wing is realized.

In addition, the first driving component 4 and the limiting shaft 3.2 are vertically distributed in the structure, and in order to simplify the structure and realize flexible and convenient driving, in the embodiment, the driving block 4.1 and the limiting shaft 3.2 are flexibly connected through the inhaul cable 6; the plugboard 2.2 is provided with a sliding groove 2.2.1 for accommodating the inhaul cable 6. Because both ends all are equipped with spacing axle 3.2 about plugboard 2.2, so, be equipped with two reverse symmetry's cable 6 in spout 2.2.1 correspondingly, the one end of cable 6 is connected on drive block 4.1, the other end of cable 6 is connected on spacing axle 3.2, realize when horizontal pulling drive block 4.1, two spacing axle 3.2 are corresponding to carry out the up-and-down motion, realize with spacing hole 3.1.1's cooperation and separation.

As shown in fig. 4, in order to prevent the two cables 6 from contacting and interfering with each other, a spacer block 17 is disposed on the back of the wing main body 2.1 at a position corresponding to the driving block 4.1, two through holes are disposed on the spacer block 17 at a certain distance, and one ends of the two cables 6 close to the driving block 4.1 are respectively inserted into the corresponding through holes.

In addition, an inner concave groove 2.1.1 is arranged on the outer side wall of the side wing body 2.2, a rotating shaft 7 is arranged in the inner concave groove 2.1.1 along the vertical direction, a driving block 4.1 is connected in the inner concave groove 2.1.1 through the rotating shaft 7, the driving block 4.1 can rotate inside and outside around the rotating shaft 7, and therefore the limiting shaft 3.2 is driven to move up and down through a inhaul cable 6; in addition, in order to facilitate manual operation, a pulling plate 8 is connected to the driving block 4.1, and the pulling plate 8 is located at the opening end position of the inner groove 2.1.1.

In addition, as shown in fig. 7, the headrest 8 includes a support bottom plate 8.1 of a U-shaped structure and a headrest body 8.2, and the headrest body 8.2 is arranged at one end of the support bottom plate 8.1 close to the inner side of the seat; the lower end of the supporting bottom plate 8.1 is integrally formed with a headrest inserting plate 9, the headrest inserting plate 9 can slide up and down and be locked relative to the chair back 1, namely, the height of the headrest 8 can be adjusted, in the structure, the adjustment of the height of the headrest 8 and the adjustment of the width of the side wing 2 are completely independent and are independently controlled respectively, mutual interference is avoided, and the defects that the mutual interference and the limitation of space size are caused due to the fact that the headrest 8 is controlled to move up and down and the side wing 2 moves horizontally through one control mechanism in the prior art are overcome.

In the structure, the insertion plates 2.2 of the side wings 2 are arranged in a channel between the bottom back plate of the chair back 1 and the headrest insertion plate 2.2 in a sliding manner, and the space structure between the parts is fully utilized.

Specifically, as shown in fig. 8 and 9, a plurality of laterally extending locking grooves 10 are formed in two sides of the seat back 1 along a vertical direction, and a locking rod 11 and a second driving assembly for driving the locking rod 11 to be locked or unlocked with the locking groove 10 are correspondingly formed in two sides of the headrest inserting plate 9.

The second driving component comprises a pull rod 12 and a sliding block 13, one end of the pull rod 12 is arranged at the rear part of the upper end of the headrest 8, and the other end of the pull rod is connected with the sliding block 13. As shown in fig. 9, more specifically, the pull rod 12 includes a hand-pulling plate 12.1 and an iron wire rod 12.2, one end of the iron wire rod 12.2 is connected to the sliding block 13, and the other end is connected to the hand-pulling plate 12.1, correspondingly, an indent accommodating groove 8.1.1 is provided on the rear side wall of the supporting base plate 8.1, the hand-pulling plate 12.1 is installed in the accommodating groove 8.1.1, and the lower end of the hand-pulling plate 12.1 is connected to the iron wire rod 12.2.

The headrest inserting plate 9 is provided with an installation groove 9.1, and the sliding block 13 is arranged in the installation groove 9.1 in a vertically slidable manner; two guide holes 13.1 which are bilaterally symmetrical and inclined inwards from top to bottom are arranged on the sliding block 13, namely the guide holes 13.1 are strip-shaped kidney-shaped holes, one end of each locking rod 11, which is far away from the locking groove 10, is convexly provided with a guide post 11.1 matched with the guide hole 13.1, when the pull rod 12 is pulled to move upwards, under the guiding action of the inclined guide hole 13.1, the two guide posts 11.1 move along the guide holes 13.1 to enable the locking rod 11 to be separated from the locking groove 10 to move towards the mounting groove 9.1, so that the sliding block 13 can move upwards and downwards in the mounting groove 9.1, in addition, a second elastic element 14 is arranged between the upper end of the sliding block 13 and the upper end wall of the mounting groove 9.1, so that the limiting block 13 always has a downward movement trend, after the sliding block 13 moves upwards for a certain distance, the external force on the pull rod 12 is released, and under the elastic resetting action of the second elastic element 14, the sliding block 13, after the guiding action of the guide hole 13.1, the catch lever 11 is re-fitted in the corresponding catch groove 10.

As shown in fig. 9, the mounting groove 9.1 in this structure is a T-shaped structure, correspondingly, the slider 13 is a T-shaped structure, the side walls at the left and right ends of the mounting groove 9.1 are provided with communication holes 9.1.1 extending to the left and right outer side walls of the headrest insertion plate 9, and one end of the locking rod 11 far from the slider 13 is slidably inserted into the communication hole 9.1.1 for guiding and limiting the movement of the locking rod 11, so that the movement process cannot deviate.

In this embodiment, the first elastic element 5 and the second elastic element 14 are both springs, and the springs are selected as the elastic elements, so that the structure is simple, the restoring force of the springs is stable, the existing standard parts can be directly selected, and the cost is reduced. Of course, in other embodiments, the resilient element may also be a rubber elastomer.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims (10)

1. The utility model provides a flank width adjustment mechanism, is applicable to children's safety seat for adjust width between children's safety seat's back of the chair (1) two flanks (2), its characterized in that includes:

the limiting assembly (3) is arranged between the side wing (2) and the chair back (1) and is used for limiting the relative position between the side wing (2) and the chair back (1);

the driving assembly (4) is arranged on the lateral wings (2) and used for driving the lateral wings (2) to be released from limiting with the chair back (1), so that the lateral wings (2) and the chair back (1) can move relatively, and the width between the two lateral wings (2) can be adjusted.

2. The flap width adjustment mechanism according to claim 1, wherein: the side wing (2) comprises a side wing body (2.1) and an insertion plate (2.2) which are vertically arranged, the chair back (1) is provided with a slot (1.1), and the insertion plate (2.2) is in sliding fit with the slot (1.1); the driving component (4) is arranged on the flank body (2.1).

3. The flap width adjustment mechanism according to claim 1, wherein: the limiting component (3) comprises a limiting block (3.1) arranged on the chair back (1) and a limiting shaft (3.2) arranged on the side wing (2) in a sliding manner, and a plurality of limiting holes (3.1.1) are formed in the limiting block (3.1) along the horizontal direction; the driving component (4) is used for driving the limiting shaft (3.2) to move and switch among the limiting holes (3.1.1), and width adjustment of the side wings (2) is achieved.

4. The flap width adjusting mechanism according to claim 1 or 3, wherein: the two limiting assemblies (3) are vertically arranged at the upper end and the lower end of one side of the side wing (2) close to the chair back (1).

5. The flap width adjustment mechanism according to claim 2, wherein: the driving component (4) comprises a driving block (4.1) rotatably arranged on the side wing (2), and one end, far away from the rotary connection position, of the driving block (4.1) is connected with the limiting shaft (3.2); the plug board (2.2) is provided with a reset component, so that the limit shaft (3.2) always has the trend of moving upwards.

6. The flap width adjustment mechanism according to claim 5, wherein: the driving block (4.1) is flexibly connected with the limiting shaft (3.2) through a stay cable (6); the insertion plate (2.2) is provided with a guide groove (2.2.1) for accommodating the inhaul cable (6).

7. The flap width adjustment mechanism according to claim 5, wherein: the reset assembly comprises an elastic element (5), a sliding groove (2.2.1) is formed in the plug board (2.2), the limiting shaft (3.2) is arranged in the sliding groove (2.2.1) in a sliding mode, and the elastic element (5) is arranged between the lower end of the limiting shaft (3.2) and the lower end wall of the sliding groove (2.2.1).

8. The flap width adjustment mechanism according to claim 7, wherein: the elastic element (5) is a spring.

9. The flap width adjustment mechanism according to claim 5, wherein: be equipped with inner groovy (2.1.1) on the lateral wall of flank body (2.1), inner groovy (2.1.1) in be equipped with pivot (7) along vertical direction, driving block (4.1) are connected in inner groovy (2.1.1) through pivot (7), just be connected with arm-tie (8) on driving block (4.1).

10. The utility model provides a children's safety seat, includes back of the chair (1), and the both sides slip of back of the chair (1) is equipped with flank (2), its characterized in that: further comprising a flap width adjusting mechanism as recited in any one of claims 1 to 9.

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