CN205573690U

CN205573690U - Children's safety seat and headrest adjustment mechanism thereof

Info

Publication number: CN205573690U
Application number: CN201620349790.9U
Authority: CN
Inventors: 王春
Original assignee: NINGBO BESBET BABY CARE Co Ltd
Current assignee: NINGBO BESBET BABY CARE Co Ltd
Priority date: 2016-04-22
Filing date: 2016-04-22
Publication date: 2016-09-14
Anticipated expiration: 2026-04-22

Abstract

The utility model discloses a headrest adjustment mechanism, include the back, slide and connect the headrest on the back, be provided with the adjustment mechanism of adjustable headrest height between back and the headrest, still can dismantle on the back be connected with can with the joint board of headrest joint, the headrest includes the occipitalia that contacts with the human head and locates the occipitalia below and can insert the interlude portion of joint board, it drawes the board to be equipped with one in the back of resting the head on, at least side in interlude portion is equipped with the fixture block that receives the linkage of twitch board and protractile or retraction interlude portion, be equipped with on the joint board along a plurality of intervals of headrest glide direction set up and with fixture block complex draw -in groove, through the joint board that unloads of opening that sets up on the back, when the draw -in groove of headrest among the adjustment mechanism goes wrong, need not be to the overall change of back, single the joint board that only need to be changed just can be realized, the economization replacement cost.

Description

A kind of child safety seat and headrest controlling mechanism thereof

Technical field

This utility model relates to a kind of child safety seat, more specifically, it relates to the headrest controlling mechanism in child safety seat.

Background technology

The automobile child seat taken for children's safety in the market is the most common; and can the same child safety seat of use of long period in order to adapt to be in the child of the different stage of growth, it will usually the headrest controlling mechanism that the upper-lower height of headrest can regulate is set.

If notification number is CN203793168U, disclosed in the Chinese patent of entitled " headrest controlling mechanism of a kind of child safety seat ", on the backrest of seat, sliding connects that have can be along the headrest of the upper and lower sliding of backrest, backrest is provided with multistage draw-in groove, headrest is provided with fixture block, the flexible of fixture block is controlled by the link gear being arranged on headrest, thus control fixture block can and draw-in groove between realize clamping or depart from clamping, and then realize when fixture block and draw-in groove enable to headrest along backrest sliding when departing from clamping, realized the location of headrest positions by the clamping of fixture block and draw-in groove after being adjusted to desired position, so just achieve the upper-lower position regulation of headrest.

But in use, inevitably after multi-pass operation is rested the head on, draw-in groove and fixture block can be easily damaged, particularly many dynamic children, can be greatly accelerated the rate of decay of the fixture block in headrest controlling mechanism and draw-in groove especially with regulation headrest as enjoyment, and once damage when draw-in groove or fixture block, when particularly draw-in groove damages, needing the integral replacing to child safety seat, this will result in huge replacement cost.

Utility model content

The purpose of this utility model is to provide a kind of headrest controlling mechanism that can reduce replacement cost.

Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of headrest controlling mechanism, including backrest, sliding is connected to the headrest on backrest, the governor motion of headrest adjustable height it is provided with between described backrest and headrest, also being removably connected with on backrest can be with the card adapter plate of headrest clamping, described headrest includes the occipitalia contacted with human body head and is located at below occipitalia and can be inserted into the penetration portions of described card adapter plate, it is provided with a twitch plate in headrest back, at least one side in penetration portions is provided with by twitching plate linkage and the extended or fixture block of retraction penetration portions, it is provided with in card adapter plate and is spaced, along the some of headrest glide direction, the draw-in groove arranging and coordinating with fixture block.

Pass through such scheme, when twitch plate is rested the head on relatively in vertical direction upper and lower sliding when, it is arranged on the skewed slot twitched on plate accordingly also can vertically move up and down, and skewed slot will stretch out with fixture block or retraction penetration portions, complete the clamping between fixture block and the draw-in groove of card adapter plate and disengaging click action, and then realize when fixture block departs from clamping with draw-in groove, it is operable to the upper-lower position regulation of headrest, when fixture block and draw-in groove clamping, complete headrest location on backrest, it is achieved the altitude mixture control of headrest；And owing to card adapter plate and backrest removably connect, damage once the draw-in groove occurred in card adapter plate, can individually change card adapter plate, without the integral replacing to backrest, save replacement cost.

It is optimized for further: described card adapter plate is removably connected with described backrest by screw or buckle.

By such scheme, card adapter plate directly can realize dismountable purpose in the way of being connected directly to use screw with backrest；Or the mode arrange catching groove on backrest, arranging button block in card adapter plate realizes dismountable mode, convenient when card adapter plate is damaged, and directly carries out the replacing to it.

Being optimized for further: described twitch plate is provided with skewed slot, described fixture block includes that horizontally disposed joint end and sliding are connected to the sliding-end of skewed slot, and described joint end is limited in the Horizontal limiting groove being arranged in penetration portions.

Pass through such scheme, when twitching plate and sliding, the motion of skewed slot will be driven, the motion of skewed slot is slided together with making the sliding-end coordinated with its sliding, and the joint end combining fixture block is limited in Horizontal limiting groove, thus when skewed slot drives sliding-end to slide, sliding-end will be promoted to produce horizontal movement along Horizontal limiting groove, finally realize sliding-end and can stretch out or the technique effect of retraction penetration portions.

Being optimized for further: described card adapter plate is provided with a slotting chamber interting direction along penetration portions, the sidewall in slotting chamber is provided with and interts the spaced described draw-in groove in direction along penetration portions.

By such scheme, slotting chamber is provided with and interts the draw-in groove in direction along penetration portions, thus realize pillow belt right overhead and penetration portions when adjust, it is possible to complete the clamping location being arranged between the fixture block in penetration portions and draw-in groove.

Be optimized for further: described headrest is relatively twitched the one side of plate and is provided with the depression identical with the width twitching plate, this twitch plate sink in this depression and sliding with in this depression.

By such scheme, sink into the twitch plate in the depression of headrest, will more stablize in sliding process, and by being sunk into by slide plate in depression, decrease the thickness of headrest on the whole, design the compacter design volume reducing headrest, improve space availability ratio.

It is optimized for further: be provided with, in twitching plate, the first limit sliding chutes arranged along its glide direction, in described depression, be provided through the first limited post of this first limit sliding chutes.

By such scheme, by the first limit sliding chutes and the cooperation of the first limited post, i.e. improving knows clearly twitches the sliding stability of plate, again limit the skidding distance twitching plate, it is to avoid twitches the excessive slip of plate, improves the operability twitching plate.

It is optimized for further: between described twitch plate and depression, be provided with elastic component, and described elastic component makes, when twitch plate is not by External Force Acting time, joint end to be made to stretch out penetration portions.

Pass through such scheme, when not operating twitch plate, twitch plate and can receive the effect of elastic component, in the environment of being in precompressed, make fixture block be allowed joint end stretch out penetration portions by the effect of skewed slot always, make the most always Access Division be in under the clamped condition of draw-in groove, when improve under clamped condition, the positioning stablity ability of headrest.

It is optimized for further: the occipitalia in described headrest is provided with the second limit sliding chutes arranged along headrest glide direction, is provided through the second limited post of this second limit sliding chutes on backrest.

By such scheme, by the second limit sliding chutes and the cooperation of the second limited post, meet headrest and along the condition of backrest sliding, and the distance of headrest sliding regulation height can be limited, it is to avoid headrest directly skids off from backrest.

It is optimized for further: the another side relatively rested the head in described twitch plate is provided with near the handle catching groove twitching plate top.

By such scheme, when needs slide and twitch plate when, hands can buckle in handle catching groove, the convenient operation to twitching plate.

Another object of the present utility model is to provide a kind of child safety seat that at least can solve the problem that the problems referred to above.

Another technical purpose above-mentioned of the present utility model has the technical scheme that a kind of child safety seat, includes the headrest controlling mechanism in technique scheme.

In sum, this utility model has the advantages that the dismountable card adapter plate by arranging on backrest, when the draw-in groove in headrest controlling mechanism goes wrong, it is not necessary to the integral replacing to backrest, have only to change single card adapter plate just to realize, economization replacement cost；By twitch plate is arranged on headrest with Embedded mode sliding, the installation space of economization headrest, improve the space availability ratio of whole parts, and the mode of penetration portions is set on headrest inserts in card adapter plate, on the one hand improve the sliding stability of headrest, on the other hand improve the space availability ratio after headrest coordinates with card adapter plate, the card adapter plate additionally arranged can't be made, allow the volume of headrest controlling mechanism become big.

Accompanying drawing explanation

Fig. 1 is that the backrest of embodiment one coordinates schematic diagram with headrest；

Fig. 2 is the backrest decomposing schematic representation with headrest of embodiment one；

Fig. 3 is penetration portions and the clamp decomposing schematic representation of embodiment one；

Fig. 4 and Fig. 5 is headrest and the twitch plate decomposing schematic representation of embodiment one；

Fig. 6 is the child safety seat schematic diagram of embodiment two.

In figure, 1, backrest；11, the second limited post；2, headrest；21, occipitalia；211, the second limit sliding chutes；212, the first limited post；22, penetration portions；221, Horizontal limiting groove；3, card adapter plate；31, screw；32, draw-in groove；33, chamber is inserted；4, plate is twitched；41, the first limit sliding chutes；42, handle catching groove；43, skewed slot；5, elastic component；6, fixture block；61, joint end；62, sliding-end；7, seat surface.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.

Embodiment one

A kind of headrest controlling mechanism, referring now to attached Fig. 1 and 2, includes backrest 1 and the headrest 2 being arranged on backrest 1, and headrest 2 therein includes the occipitalia 21 for something or somebody to fall back on and the penetration portions 22 that can penetrate card adapter plate 3.In conjunction with accompanying drawing 3, card adapter plate 3 is detachably mounted on backrest 1 by screw 31, and in card adapter plate 3, it is provided with the slotting chamber 33 coordinated with penetration portions 22, the both sides in slotting chamber 33 are provided with draw-in groove 32, headrest 2 is provided with twitch plate 4, it is provided with fixture block 6 twitching between plate 4 and penetration portions 22, pulls twitch plate 4 controlled fabrication block 6 to stretch out or penetration portions 22 described in retraction.Concrete plate 4 of twitching drives the structure of fixture block 6 action to see accompanying drawing 4 and accompanying drawing 5, twitch plate 4 and be provided with skewed slot 43, fixture block 6 includes that horizontally disposed joint end 61 and sliding are connected to the sliding-end 62 of skewed slot 43, joint end 61 is limited in the Horizontal limiting groove 221 being arranged in penetration portions 22, and it is provided with elastic component 5 twitching between plate 4 and penetration portions 22, and this elastic component 5 makes, when twitch plate 4 is not by External Force Acting time, joint end 61 to be made to stretch out penetration portions 22.

It is as follows that concrete headrest 2 regulates process:

When needs regulation headrest 2 height when, first place a digit in handle catching groove 42, pull twitch plate 4, twitch plate 4 by the first limit sliding chutes 41 and position-limiting action lower slider of the first limited post 212, the motion twitching plate 4 will drive the motion of skewed slot 43, slide together with the sliding-end 62 that the motion of skewed slot 43 will make in the fixture block 6 coordinated with its sliding, and the joint end 61 combining fixture block 6 is limited in Horizontal limiting groove 221, thus when skewed slot 43 drives sliding-end 62 to slide, promotion sliding-end 62 is produced horizontal movement retraction penetration portions 22 along Horizontal limiting groove 221, complete the clamping relation between draw-in groove 32 in fixture block 6 and card adapter plate 3；The most just stretchy headrest 2, make to rest the head on and 2 can realize there is oriented sliding under the cooperation of the second limit sliding chutes 211 and the second limited post 11, after being slid onto suitable position, unclamp hands, making to twitch plate 4 to reset under the effect of elastic component 5, fixture block 6 will stretch out penetration portions 22, and joint end 61 is by the draw-in groove 32 snapping in card adapter plate 3, completing clamping, the location i.e. realizing headrest 2 is fixed.

When using a period of time draw-in groove 32 to damage, card adapter plate 3 can be taken off from backrest 1 by screwing off screw 31, changes easily.

Embodiment two

A kind of child safety seat, sees accompanying drawing 6, includes backrest 1 and seat surface 7, be provided with the headrest controlling mechanism in embodiment one technical scheme on backrest 1.

Claims

null1. a headrest controlling mechanism，Including backrest (1)、Sliding is connected to the headrest (2) on backrest (1)，The governor motion of headrest adjustable (2) height it is provided with between described backrest (1) and headrest (2)，It is characterized in that，Also being removably connected with on backrest (1) can be with the card adapter plate (3) of headrest (2) clamping，Described headrest (2) includes the occipitalia (21) contacted with human body head and is located at occipitalia (21) lower section and can be inserted into the penetration portions (22) of described card adapter plate (3)，It is provided with a twitch plate (4) in headrest (2) back，At least one side in penetration portions (22) is provided with by twitching plate (4) linkage and the extended or fixture block (6) of retraction penetration portions (22)，It is provided with in card adapter plate (3) and is spaced, along the some of headrest (2) glide direction, the draw-in groove (32) arranging and coordinating with fixture block (6).
A kind of headrest controlling mechanism the most according to claim 1, it is characterised in that described card adapter plate (3) is removably connected with described backrest (1) by screw (31) or buckle.
A kind of headrest controlling mechanism the most according to claim 2, it is characterized in that, described twitch plate (4) is provided with skewed slot (43), described fixture block (6) includes that horizontally disposed joint end (61) and sliding are connected to the sliding-end (62) of skewed slot (43), and described joint end (61) is limited in the Horizontal limiting groove (221) being arranged in penetration portions (22).
A kind of headrest controlling mechanism the most according to claim 3, it is characterized in that, described card adapter plate (3) be provided with one along penetration portions (22) intert direction slotting chamber (33), the sidewall in slotting chamber (33) be provided with along penetration portions (22) intert the spaced described draw-in groove in direction (32).
A kind of headrest controlling mechanism the most according to claim 4, it is characterized in that, described headrest (2) is relatively twitched the one side of plate (4) and is provided with the depression identical with the width twitching plate (4), and this twitch plate (4) sinks in this depression and sliding is in this depression.
A kind of headrest controlling mechanism the most according to claim 5, it is characterized in that, it is provided with, in twitching plate (4), the first limit sliding chutes (41) arranged along its glide direction, in described depression, is provided through first limited post (212) of this first limit sliding chutes (41).
A kind of headrest controlling mechanism the most according to claim 6, it is characterized in that, it is provided with elastic component (5) between described twitch plate (4) and depression, and described elastic component (5) makes, when twitching plate (4) not by External Force Acting time, joint end (61) to be made to stretch out penetration portions (22).
8. according to a kind of headrest controlling mechanism described in any one of claim 1-7, it is characterized in that, occipitalia (21) in described headrest (2) is provided with the second limit sliding chutes (211) arranged along headrest (2) glide direction, is provided through second limited post (11) of this second limit sliding chutes (211) on backrest (1).
A kind of headrest controlling mechanism the most according to claim 8, is characterised by, the another side in described twitch plate (4) headrest (2) relatively is provided with near the handle catching groove (42) twitching plate (4) top.
10. a child safety seat, it is characterised in that comprise just like a kind of headrest controlling mechanism described in any one of claim 1-9.