CN203358393U

CN203358393U - Lifting regulating mechanism of child safety seat

Info

Publication number: CN203358393U
Application number: CN 201320437716
Authority: CN
Inventors: 郑辉
Original assignee: TAIZHOU GANEN CAR APPLIANCE CO Ltd
Current assignee: Zhejiang Thanksgiving Polytron Technologies Inc
Priority date: 2013-07-23
Filing date: 2013-07-23
Publication date: 2013-12-25
Anticipated expiration: 2023-07-23

Abstract

The utility model relates to a lifting regulating mechanism of a child safety seat. The child safety seat comprises a seat back and a headrest which is arranged on the seat back, a longitudinal containing groove is formed in the back surface of the headrest, the lifting regulating mechanism is arranged in the longitudinal containing groove, and the lifting regulating mechanism is limited in the containing groove through a cover plate; the cap portion of a screw is contained in a headrest sliding groove, the bolt portion of the screw penetrates through a headrest guide hole, a pull plate guide hole and a cover plate guide hole, finally penetrates through a seat back positioning hole and is fixed through a nut, a plurality of gear grooves arranged longitudinally are formed in the inner side wall of the seat back, and the positions of the gear grooves are matched with that of a sliding block. The brand-new lifting regulating mechanism is adopted, and has the advantages of achieving small resistance, the ingenious structure and regulating convenience during lifting regulating.

Description

The lifting regulating mechanism of child safety seat

Technical field

The utility model relates to the child safety seat technology, specifically a kind of lifting regulating mechanism of child safety seat.

Background technology

Child safety seat is a kind of being installed on car seat, for children's ride-on, the equipment of constraint is arranged, and can, when getting into an accident, fetter children to ensure the seat of child safety, common child safety seat mainly comprises back of seat and base at present, be provided with head rest on back of seat, be provided with lifting regulating mechanism between head rest and back of seat, current lifting regulating mechanism mainly comprises the guide groove at the top of the Plug Division of head rest bottom and back of seat, Plug Division is plugged in guide groove, Plug Division is provided with slide block and regulates button, have position-limited trough and knock hole on the sidewall of guide groove, slide block is contained in position-limited trough, regulating button coordinates with knock hole, it is curved that current lifting regulating mechanism adjusting button when regulating height is sent out elasticity shape, regulate between button and guide groove inwall and have larger friction force, thereby regulate harder.

The utility model content

The purpose of this utility model is to provide a kind of lifting regulating mechanism of child safety seat, adopts brand-new lifting regulating mechanism, has resistance during lift adjustment little, the characteristics that structure is ingenious, easy to adjust.

For achieving the above object by the following technical solutions:

A kind of lifting regulating mechanism of child safety seat, comprise back of seat and head rest, described head rest is arranged on backrest, it is characterized in that: at the back side of described head rest, be provided with vertical storage tank, vertically in storage tank, be provided with lifting regulating mechanism, described lifting regulating mechanism is limited in storage tank by cover plate, described lifting regulating mechanism comprises movable arm-tie, between the inwall of movable arm-tie and vertical storage tank, retracing spring is set, upper end at movable arm-tie is provided with handle, the lower end of active pull rod is provided with the arm-tie inclined-plane, on the arm-tie inclined-plane, place is provided with slide block, and on the cover board the position of corresponding slide block is provided with the slider guide groove, and slide block is placed in the slider guide groove, slide block is provided with oblique chute, and the arm-tie inclined-plane is through oblique chute, also have the head rest chute on described head rest, head rest chute bottom has the head rest pilot hole, have arm-tie pilot hole and cover plate pilot hole on the position of movable arm-tie and the corresponding head rest pilot hole of cover plate, there is the nut of a screw partly to be placed in the head rest chute, the screw portion of screw is through the head rest pilot hole, arm-tie pilot hole and cover plate pilot hole, screw portion finally passes the back of seat knock hole and fixes by nut, offer the gear groove of several longitudinal arrangement on described back of seat madial wall, position and the slide position of gear groove are complementary.

Be provided with guide portion on described backrest, the bottom of head rest is contained in guide portion, is respectively equipped with the head rest bottom guide portion cooperatively interacted in the both sides of head rest bottom and guide portion and hangs up district.

The utility model offers guide groove longitudinally in head rest inside, there is a lifting regulating mechanism to be fixed in guide groove by cover plate, lifting regulating mechanism pulls movable arm-tie upward movement by the handle of upper end, the arm-tie inclined-plane of the lower end by movable arm-tie coordinates with slide block, slide block is produced and travel forward, slide block travels forward and makes the gear groove on slide block clear off the seat backrest madial wall, continue like this back by just can be along the head rest pilot hole, arm-tie pilot hole and cover plate pilot hole and screw form the guiding mechanism easy on and off and have moved, moving up and down process at head rest does not have elastomeric element to produce friction drag, regulate more smooth and easy, after adjusting to the right place, head rest removes the application force of handle, movable arm-tie automatically resets under the effect of retracing spring, slide block automatically moves backward and snaps fit onto the gear groove, when slide block does not just have with the contraposition of gear groove, only need move a little time head rest gets final product slide block and nearest gear groove contraposition clamping, the utlity model has the lift adjustment resistance little, structure is ingenious, characteristics easy to adjust.

The accompanying drawing explanation

Fig. 1 is inner structure schematic diagram of the present utility model;

The inner structure schematic diagram that Fig. 2 is the utility model spatial structure;

Fig. 3 is I place enlarged diagram in Fig. 2;

Fig. 4 is the utility model decomposition texture schematic diagram;

The structural representation that Fig. 5 is the utility model lifting regulating mechanism.

The specific embodiment

As Figure 1-5, a kind of lifting regulating mechanism of child safety seat, comprise back of seat 1 and head rest 2, described head rest 2 is arranged on backrest 1, be provided with guide portion 11 on described backrest 1, the bottom of head rest 2 is contained in guide portion 11, be respectively equipped with the head rest bottom guide portion 21 cooperatively interacted in the both sides of head rest bottom and guide portion 11 and hang up district 12, head rest bottom guide portion 21 with hang up the effect of playing guiding when district 12 is engaged in head rest 2 lifting, be provided with vertical storage tank at the back side of described head rest 2, vertically in storage tank, be provided with lifting regulating mechanism 3, described lifting regulating mechanism 3 is limited in storage tank by cover plate 4, described lifting regulating mechanism 3 comprises movable arm-tie 31, between the inwall of movable arm-tie 31 and vertical storage tank, retracing spring 5 is set, be provided with handle 32 in the upper end of movable arm-tie 31, the lower end of active pull rod 31 is provided with arm-tie inclined-plane 33, on the arm-tie inclined-plane, 33 places are provided with slide block 6, and on cover plate 4, the position of corresponding slide block is provided with slider guide groove 41, and slide block 6 is placed in slider guide groove 41, slide block 6 is provided with oblique chute 61, and arm-tie inclined-plane 33 is through oblique chute 61, also have head rest chute 22 on described head rest 2, head rest chute 22 bottoms have head rest pilot hole 23, have arm-tie pilot hole 34 and cover plate pilot hole 42 on the position of movable arm-tie 31 and the corresponding head rest pilot hole 23 of cover plate 4, there is the nut of a screw 7 partly to be placed in head rest chute 22, the screw portion of screw is through head rest pilot hole 23, arm-tie pilot hole 34 and cover plate pilot hole 42, screw portion is finally through back of seat 1 knock hole fixing by nut 8, offer the gear groove 12 of several longitudinal arrangement on described back of seat 1 madial wall, the position of gear groove 12 and slide block 6 positions are complementary.

The utility model lift adjustment process is such: the handle 32 that pulls with hand movable arm-tie 31 upper ends, make movable arm-tie 31 upward movements, the arm-tie inclined-plane 33 of active pull rod 31 lower ends is along with active pull rod 31 upward movements, arm-tie inclined-plane 33 upward movements travel forward slide block 6, at this moment slide block 6 breaks away from gear groove 12, slide block 6 has broken away from after gear grooves 12 with regard to the height of capable of regulating head rest, be provided with the head rest bottom guide portion 21 cooperatively interacted between head rest 2 bottoms and backrest 1 and hang up district 12, head rest bottom guide portion 21 with hang up the effect of playing guiding when district 12 is engaged in head rest 2 lifting, also have head rest chute 22 on described head rest 2, head rest chute 22 bottoms have head rest pilot hole 23, and have arm-tie pilot hole 34 and cover plate pilot hole 42 on the position of movable arm-tie 31 and the corresponding head rest pilot hole 23 of cover plate 4, head rest pilot hole 23, arm-tie pilot hole 34 and cover plate pilot hole 42 attachment screws form again a guiding mechanism between the top that makes head rest 2 and backrest, stability and reliability when upper and lower two place's guiding mechanism poppets lean on lift adjustment, head rest 2 rises or descends along upper and lower two place's guiding mechanisms, when head rest is adjusted to required height, the pulling force of release action on handle 32, movable arm-tie 31 automatically resets under the effect of retracing spring, slide block 6 is also along with resetting of arm-tie inclined-plane 33 snaps fit onto in gear groove 12 again, if just not to gear groove 12 correspondences, now only need move a little time head rest slide block and nearest gear groove contraposition clamping are got final product when slide block 6 resets.

The utility model is ingenious with respect to the prior art structure, stability and better reliability, and when lift adjustment, the resistance minor adjustment is convenient.

Claims

1. the lifting regulating mechanism of a child safety seat, comprise back of seat and head rest, described head rest is arranged on backrest, it is characterized in that: at the back side of described head rest, be provided with vertical storage tank, vertically in storage tank, be provided with lifting regulating mechanism, described lifting regulating mechanism is limited in storage tank by cover plate, described lifting regulating mechanism comprises movable arm-tie, between the inwall of movable arm-tie and vertical storage tank, retracing spring is set, upper end at movable arm-tie is provided with handle, the lower end of active pull rod is provided with the arm-tie inclined-plane, on the arm-tie inclined-plane, place is provided with slide block, and on the cover board the position of corresponding slide block is provided with the slider guide groove, and slide block is placed in the slider guide groove, slide block is provided with oblique chute, and the arm-tie inclined-plane is through oblique chute, also have the head rest chute on described head rest, head rest chute bottom has the head rest pilot hole, have arm-tie pilot hole and cover plate pilot hole on the position of movable arm-tie and the corresponding head rest pilot hole of cover plate, there is the nut of a screw partly to be placed in the head rest chute, the screw portion of screw is through the head rest pilot hole, arm-tie pilot hole and cover plate pilot hole, screw portion finally passes the back of seat knock hole and fixes by nut, offer the gear groove of several longitudinal arrangement on described back of seat madial wall, position and the slide position of gear groove are complementary.

2. the lifting regulating mechanism of a kind of child safety seat as claimed in claim 1, it is characterized in that: on described backrest, be provided with guide portion, the bottom of head rest is contained in guide portion, is respectively equipped with the head rest bottom guide portion cooperatively interacted in the both sides of head rest bottom and guide portion and hangs up district.