CN205149574U - Headrest height -adjustable's automobile children safety seat - Google Patents

Abstract

The utility model belongs to automobile -used children's safety seat field, concretely relates to headrest height -adjustable's automobile children safety seat, include the back of the chair, rest the head on and be used for to install the adjustment mechanism on the back of the chair with the headrest, adjustment mechanism includes guide rail, alignment jig and positioner, and on guide rail and positioner all located the back of the chair, the guide rail extended along the length direction of the back of the chair, and the one end of guide rail is located to the alignment jig, and on the alignment jig was located to the headrest, the guide rail offered the relative position of alignment jig dragging track, positioner locking alignment jig and guide rail. The utility model discloses a headrest height -adjustable's automobile children safety seat can realize that the headrest of automobile children safety seat carries out the regulation of many gears along with children's height growth demand.

Description

The automobile children safety chair that height of headrest is adjustable

Technical field

The utility model belongs to child's safety seat for vehicle field, is specifically related to the automobile children safety chair that a kind of height of headrest is adjustable.

Background technology

Along with the head of a family is to the reinforcement of child sitting cart awareness of safety, the use of child safety seat on automobile becomes more and more universal.Children are growing tall every day, along with the growth of height, originally the child safety seat of use cannot meet the operating needs of safety and comfort, and its height of headrest of child safety seat common at present generally cannot regulate, this just means the growth along with child's height, the seat that must more renew, with the requirement of satisfied safe handling, causes waste.The child safety seat of minority headrest adjustable height, its regulating mechanism all more complicated, and regulate handle to be generally placed in chair back rear end, need during adjustment first the child safety seat be arranged on car seat to be disassembled, after completing the adjustment to height of headrest, again child safety seat is installed on car seat, operation and inconvenience thereof.

Utility model content

The purpose of this utility model is to provide the adjustable automobile children safety chair of a kind of height of headrest, and the headrest that can realize automobile children safety chair carries out the adjustment of many gears with child height Growing Demand.

For achieving the above object, the technical scheme that the utility model adopts is: comprise the chair back, headrest and the regulating mechanism for being arranged on the chair back by headrest, regulating mechanism comprises guide rail, adjusting bracket and registration device, guide rail and registration device are all located on the chair back, guide rail extends along the length direction of the chair back, and adjusting bracket is located at one end of guide rail, and headrest is located on adjusting bracket, guide rail is supplied to adjusting bracket dragging track, the relative position of registration device lock adjustment frame and guide rail.

Preferably, described guide rail is the rod member of hollow, and the end of adjusting bracket is slided in the internal cavities of guide rail.

Preferably, described guide rail is provided with knock hole one with the contact site of adjusting bracket, adjusting bracket is interval with the knock hole two of two or more quantity along the prolonging direction of adjusting bracket, registration device is provided with button pin, button pin lock in place hole one and place's knock hole two.

Preferably, one end away from adjusting bracket of described guide rail and chair back pivot joint, regulating mechanism also comprises spring, spring is between one end and the chair back of the close adjusting bracket of guide rail, spring and guide rail and the chair back support, and adjusting bracket Compress Spring departs from button pin to regulate the relative position of adjusting bracket and guide rail to make knock hole two.

After adopting technique scheme, the utility model has following good effect:

Headrest in the utility model is located on adjusting bracket, adjusting bracket can move along guide rail, when regulating height of headrest, only adjusting bracket need be pressed, make the button pin on registration device depart from knock hole two, get final product pull adjusting bracket, regulate headrest to correspondence position, do not need any parts of dismounting can regulate height of headrest at any time, convenient and swift.

Accompanying drawing explanation

Fig. 1 is the block diagram of the adjustable automobile children safety chair of height of headrest of the present utility model;

Fig. 2 is the exploded view of the adjustable automobile children safety chair of height of headrest shown in Fig. 1;

Fig. 3 is the assembling schematic diagram of the position of headrest shown in Fig. 1 parts;

Fig. 4 is the positioning device structure figure in the utility model.

Wherein: 1, the chair back, 2, headrest, 3, regulating mechanism, 31, guide rail, 311, knock hole one, 32, adjusting bracket, 321, knock hole two, 33, registration device, 331, button pin, 34, spring.

Detailed description of the invention

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

As Figure 1-3, be the automobile children safety chair that height of headrest of the present utility model is adjustable, comprise the chair back 1, headrest 2 and regulating mechanism 3, regulating mechanism 3 is for being arranged on the chair back 1 by headrest 2, and headrest 2 can regulate its height by regulating mechanism 3.

Regulating mechanism 3 comprises guide rail 31, adjusting bracket 32, registration device 33 and spring 34.Guide rail 31 and registration device 33 are installed on the chair back 1, and guide rail 31 extends along the length direction of the chair back 1.Guide rail 31 is the rod member of hollow, and adjusting bracket 32 is positioned at one end of guide rail 31, and adjusting bracket 32 can slide along guide rail 31, and namely the end of adjusting bracket 32 is slided in the internal cavities of guide rail 31.Headrest 2 is located on adjusting bracket 32, drives headrest 2 to move when adjusting bracket 32 slides.Guide rail 31 is provided with knock hole 1 with the contact site of adjusting bracket 32, adjusting bracket 32 is interval with the knock hole 2 321 of two or more quantity along the prolonging direction of adjusting bracket 32, registration device 33 is provided with button pin 331, and button pin 331 can pass knock hole 1 and place's knock hole 2 321.

One end of guide rail 31 and the chair back 1 pivot joint, concrete is that the end of one end of guide rail 31 is provided with outstanding quarter butt, and the chair back 1 is provided with circular hole with quarter butt corresponding position, and quarter butt inserts in circular hole, makes one end and the chair back 1 pivot joint of guide rail 31.Be provided with spring 34 between the other end of guide rail 31 and the chair back 1, spring 34 and the chair back 1, guide rail 31 support, and adjusting bracket 32 is located at the other end of guide rail 31.Adjusting bracket 32 can Compress Spring 34, the other end of spring 34 forced compression process middle guide 31 occurs slightly to rotate, and rotate towards the direction away from registration device 33, now knock hole 2 321 can depart from button pin 331, i.e. the relative position of adjustable adjusting bracket 32 and guide rail 31.

When the automobile children safety chair that height of headrest of the present utility model is adjustable regulates highly headrest 2, pressing adjusting bracket 32, adjusting bracket 32 is made to press towards the direction, back of seat and keep, spring 34 forced compression provides the space of trickle rotation to guide rail 31, because registration device 33 is mounted on the chair back 1, and registration device 33 is relatively motionless, now knock hole 2 321 departs from button pin 331, the i.e. height of adjustable adjusting bracket 32, be adjusted to after being satisfied with height, unclamp adjusting bracket 32, adjusting bracket 32 gets back to initial vertical direction under the restoring force effect of spring 34, button pin 331 inserts in new knock hole 2 321, namely the height adjustment of headrest 2 is completed.

To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain that the utility model requires.

Claims (4)

1. the automobile children safety chair that a height of headrest is adjustable, it is characterized in that: comprise the chair back (1), headrest (2) and the regulating mechanism (3) be arranged on for will rest the head on (2) on the chair back (1), regulating mechanism (3) comprises guide rail (31), adjusting bracket (32) and registration device (33), guide rail (31) and registration device (33) are all located on the chair back (1), guide rail (31) extends along the length direction of the chair back (1), adjusting bracket (32) is located at one end of guide rail (31), headrest (2) is located on adjusting bracket (32), guide rail (31) is supplied to adjusting bracket (32) dragging track, the relative position of registration device (33) lock adjustment frame (32) and guide rail (31).

2. the automobile children safety chair that height of headrest according to claim 1 is adjustable, is characterized in that: the rod member that guide rail (31) is hollow, and the end of adjusting bracket (32) is slided in the internal cavities of guide rail (31).

3. the automobile children safety chair that height of headrest according to claim 2 is adjustable, it is characterized in that: guide rail (31) contact site that is upper and adjusting bracket (32) is provided with knock hole one (311), adjusting bracket (32) is interval with the knock hole two (321) of two or more quantity along the prolonging direction of adjusting bracket (32), registration device (33) is provided with button pin (331), button pin (331) lock in place hole one (311) and place's knock hole two (321).

4. the automobile children safety chair that height of headrest according to claim 3 is adjustable, it is characterized in that: one end away from adjusting bracket (32) of guide rail (31) and the chair back (1) pivot joint, regulating mechanism (3) also comprises spring (34), between one end that spring (34) is positioned at the close adjusting bracket (32) of guide rail (31) and the chair back (1), spring (34) supports with guide rail (31) and the chair back (1), adjusting bracket (32) Compress Spring (34) departs from button pin (331) to regulate the relative position of adjusting bracket (32) and guide rail (31) to make knock hole two (321).