CN204123987U

CN204123987U - A kind of Child safety seat headrest adjustment device

Info

Publication number: CN204123987U
Application number: CN201420417756.1U
Authority: CN
Inventors: 张文渊
Original assignee: SHANGHAI YIYAYIYA INDUSTRIAL Co Ltd
Current assignee: SHANGHAI YIYAYIYA INDUSTRIAL Co Ltd
Priority date: 2014-07-28
Filing date: 2014-07-28
Publication date: 2015-01-28
Anticipated expiration: 2024-07-28

Abstract

The utility model relates to a kind of Child safety seat headrest adjustment device, comprise spanner, fixed block, the chair back, headrest structure, described chair back top is with the chair back and this chair back center arranges a slot, and this slot is inner equidistant arranges three groups of adjustment locating points; In headrest structure center, some knock holees are set; Fixed block is installed at the described chair back back side, and the side that this fixed block connects with the chair back arranges at least two group axis of guides; Arrange a registration mast in the central area that these axis of guides surround, this registration mast inside arranges fix shaft and on this fix shaft, cover has spring, and described fix shaft outer end, with pin-and-hole, penetrates locating dowel pin in this pin-and-hole and connects spanner by this locating dowel pin.The utility model beneficial effect is: spanner rotates according to locating dowel pin, thus drives fix shaft, and fix shaft is skidded off from knock hole, and spanner, locating dowel pin, fixed block, spring, fix shaft, head rest slide up and down motion relative to the chair back.

Description

A kind of Child safety seat headrest adjustment device

Technical field

The utility model relates to a kind of child safety seat, particularly relates to a kind of Child safety seat headrest adjustment device.

Background technology

At present, the front stall of automobile and back seat are all provided with car belt.Car belt generally includes shoulder belt and lap belt, and shoulder belt and lap belt are fixed on the anchoring structure of automobile, so as to suppress and protection occupant because collide the injury that causes or automobile stop suddenly the impulse force that produces.But the safety strap due to automobile is not suitable for small children, and small children also cannot bear the pressure that car belt bestows; So, must to halt relevant regulation to automotive seat being installed child safety seat.Child safety seat is a kind of designed for children aiming at different weight or age bracket, child is strapped in safety seat, effectively can improve the seat of children riding safety, at auto against or when slowing down suddenly, can reduce and the stamping press of children and the health of limiting child are moved, thus alleviate the injury to them.But in view of the structure of existing safety seat, at auto against or when slowing down suddenly, still comparatively large to the stamping press of children, the structure of this wherein correct relying part position needs to possess certain standard, to reduce injury.Therefore, for above aspect, need reasonably to improve prior art.

Utility model content

For above defect, the utility model provide a kind of easy to use, be convenient to seat upper portion and regulate, be conducive to improving the Child safety seat headrest adjustment device of degree of safety, to solve many deficiencies of prior art.

For achieving the above object, the utility model is by the following technical solutions:

A kind of Child safety seat headrest adjustment device, comprise spanner, fixed block, the chair back, headrest structure, described chair back top is with the chair back and this chair back center arranges a slot, and this slot is inner equidistant arranges three groups of adjustment locating points;

Meanwhile, arrange some knock holees in headrest structure center, be furnished with fixed orifice in knock hole side, knock hole wherein aligns with the position, both adjustment locating points hole of the chair back;

Fixed block is installed at the described chair back back side, and the side that this fixed block connects with the chair back arranges at least two group axis of guides;

A registration mast is set in the central area that these axis of guides surround, this registration mast inside arranges fix shaft and on this fix shaft, cover has spring, this fix shaft is successively through knock hole, registration mast, described fix shaft outer end, with pin-and-hole, penetrates locating dowel pin in this pin-and-hole and connects spanner by this locating dowel pin.

Described axis of guide adjacent position is with locating point, and described slot both sides external respectively arranges a chair back guide groove.

The beneficial effect of Child safety seat headrest adjustment device described in the utility model is: by the mode adopting hand to pull spanner, spanner rotates according to locating dowel pin, thus drive fix shaft, fix shaft is skidded off from knock hole, spanner, locating dowel pin, fixed block, spring, fix shaft, head rest slide up and down motion relative to the chair back, thus substantially increase the adjustable degree of child safety seat at head rest position, be beneficial to expansion field of application.

Accompanying drawing explanation

With reference to the accompanying drawings the utility model is described in further detail below.

Fig. 1 is the decomposition texture schematic diagram of Child safety seat headrest adjustment device described in the utility model embodiment;

Fig. 2 is the mounting structure schematic diagram of Child safety seat headrest adjustment device described in the utility model embodiment.

In figure:

1, spanner; 2, locating dowel pin; 3, fixed block; 4, spring; 5, fix shaft; 6, the chair back; 7, headrest structure; 8, registration mast;

31, the axis of guide; 32, locating point; 61, chair back guide groove; 62, locating point is regulated; 71, fixed orifice; 72, knock hole.

Detailed description of the invention

As shown in Figure 1-2, Child safety seat headrest adjustment device described in the utility model embodiment, comprise spanner 1, fixed block 3, the chair back 6, headrest structure 7, the described chair back 6 top is with the chair back 6 and this chair back 6 center arranges a slot, this slot is inner equidistant arranges three adjustment locating points 62, in slot both sides external, a chair back guide groove 61 is respectively set, simultaneously, in headrest structure 7 center, some knock holees 72 are set, be furnished with fixed orifice 71 in knock hole 72 side, knock hole 72 wherein aligns with the position, both adjustment locating points 62 hole of the chair back 6;

Correspondingly, fixed block 3 is installed at the described chair back 6 back side, and the side that this fixed block 3 connects with the chair back 6 arranges at least two group axis of guides 31, in the axis of guide 31 adjacent position with locating point 32;

Simultaneously, in the central area that these axis of guides 31 surround, a registration mast 8 is set, this registration mast 8 inside arranges fix shaft 5 and on this fix shaft 5, cover has spring 4, this fix shaft 5 is successively through knock hole 72, registration mast 8, described fix shaft 5 outer end, with pin-and-hole, penetrates locating dowel pin 2 and connects spanner 1 by this locating dowel pin 2 in this pin-and-hole.

During use, spanner 1 rotates according to locating dowel pin 2, thus drives fix shaft 5, and fix shaft 5 is skidded off from knock hole 72, and spanner 1, locating dowel pin 2, fixed block 3, spring 4, fix shaft 5, head rest 7 make upper and lower sliding motion relative to the chair back 6.

The above-mentioned description to embodiment can understand and apply this case technology for the ease of those skilled in the art, person skilled in the art obviously can make various amendment to these examples easily, and General Principle described herein is applied in other embodiment and need not through performing creative labour.Therefore, this case is not limited to above embodiment, and those skilled in the art is according to the announcement of this case, and the improvement made for this case and amendment all should in the protection domains of this case.

Claims

1. a Child safety seat headrest adjustment device, comprises spanner (1), fixed block (3), the chair back (6), headrest structure (7), it is characterized in that:

The described chair back (6) top is with the chair back (6) and this chair back (6) center arranges a slot, and this slot is inner equidistant arranges three groups of adjustments locating point (62);

Meanwhile, arrange some knock holees (72) in headrest structure (7) center, be furnished with fixed orifice (71) in knock hole (72) side, knock hole (72) wherein aligns with the two position, hole of adjustment locating point (62) of the chair back (6);

Fixed block (3) is installed at the described chair back (6) back side, and the side that this fixed block (3) connects with the chair back (6) arranges at least two group axis of guides (31);

A registration mast (8) is set in the central area that these axis of guides (31) surround, this registration mast (8) inside arranges fix shaft (5) and the upper cover of this fix shaft (5) has spring (4), this fix shaft (5) is successively through knock hole (72), registration mast (8), described fix shaft (5) outer end, with pin-and-hole, penetrates locating dowel pin (2) and connects spanner (1) by this locating dowel pin (2) in this pin-and-hole.

2. Child safety seat headrest adjustment device according to claim 1, is characterized in that: the described axis of guide (31) adjacent position is with locating point (32).

3. Child safety seat headrest adjustment device according to claim 1, is characterized in that: described slot both sides external respectively arranges a chair back guide groove (61).