CN204915365U

CN204915365U - Children car safe armchairs

Info

Publication number: CN204915365U
Application number: CN201520542939.0U
Authority: CN
Inventors: 俞龙生
Original assignee: Hangzhou Long Sheng Children Supplies Co Ltd
Current assignee: Hangzhou Long Sheng Children Supplies Co Ltd
Priority date: 2015-07-24
Filing date: 2015-07-24
Publication date: 2015-12-30
Anticipated expiration: 2025-07-24

Abstract

Children car safe armchairs, including the back of the chair and the fixed base that sets up in back of the chair bottom, be equipped with in the back of the chair can the adjusting position the headrest, be equipped with the angle modulation piece of adjustable tilted position between back of the chair bottom and the base, be equipped with the crocodile mouth of adjustable flexible position in the base, be equipped with the headrest foam in the headrest, be equipped with extensible supporting leg in the base, at least, have the travelling comfort and the structure stability within a definite time that improve the seat, realize the safer of seat and easy -operating effect moreover.

Description

Automobile children safety chair

Technical field

The utility model relates to field of automobile seats, is specifically related to a kind of automobile children safety chair.

Background technology

Automobile children safety chair in automotive seat is exactly the designed for children that one aims at different weight (or age bracket), is arranged in automobile, effectively can improve the seat of children riding safety.

Prior art:

Such as: name of patent application: tip-up Vehicle seat, patent publication No.: CN02811717.4, patent application day: 2002-06-10, the technical matters solved: lockout mechanism is connected on pin components by cable, lockout mechanism is unlocked from retrieving position towards the rotation of bearing position by pin components, to discharge the restriction to seat base, realizes the bending between base and the chair back, final still change driver or passenger take space, have impact on the traveling comfort taken.

Again such as: application number: 201310133282.8, the applying date: 2013-04-17, application title: a kind of ISOFIX system of child's safety seat for vehicle, solve the telescoping problem of crocodile mouth, but crocodile mouth cannot be retractable to chassis interior, crocodile mouth and anchor shaft cannot cause gap comparatively large in retraction base after fixing, and affect the stability of structure.

Above patent application due to their utility model object and technical matters to be solved all different, cause their technical scheme to comprise the difference of structure and method for this reason, they can not combine in order to present patent application simply, otherwise structure design can be caused more complicated, or can not implement, etc.

How to design a kind of automobile children safety chair, do not change and take space, folding placement, compact siro spinning technology between structure, become the technical matters that we are badly in need of solving.

Utility model content

The purpose of this utility model is the deficiency overcoming prior art existence, and provides a kind of automobile children safety chair.

The purpose of this utility model has been come by following technical solution, a kind of automobile children safety chair, comprise the chair back and be fixedly installed on the base bottom the chair back, being provided with in the described chair back can the headrest of adjusting position, the angle-regulating block of adjustable tilt position is provided with bottom the chair back and between base, be provided with the crocodile mouth of adjustable and retractable position in described base, in described headrest, be provided with headrest foam, in described base, be provided with tensile supporting leg.Multiple positions in automobile children safety chair are improved, realizes the controllability of multiple position, not only increase the range of use of automobile children safety chair, and improve safety and the ease for operation of automobile children safety chair.

Described headrest adjustable position be located in the chair back, be provided with symmetrical chair back chute in the chair back, described headrest is fixed with at least one headrest orienting lug, the dual-side of headrest orienting lug is socketed in chair back chute.Headrest orienting lug under headrest slides in chair back chute, thus regulates the position of headrest in chair back inside, and the position making headrest be in the chair back inner different is corresponding with the head of all ages and classes stage children.

The side of described chair back chute is provided with chair back gear groove, fixedly runs through and has headrest gear lever in headrest orienting lug, being connected in chair back gear groove of the two ends adjustable position of described headrest gear lever.In headrest orienting lug, fixing headrest gear lever is connected to chair back gear groove diverse location, and by the position that headrest gear lever location headrest orienting lug is rested the head on, headrest gear lever is connected in chair back chute and realizes the adjustable location of headrest.

Be provided with the angle-regulating block of arc shape between described base and the chair back, clamping is fixed in the both ends of the angle-regulating block of arc and the bottom of the chair back, is provided with the groove corresponding with angle-regulating block in described base.In the base, the chair back on angle-regulating block will be in different angles and position, does not change the spatial accommodation of the chair back self in the bottom clamping of angle-regulating block.

The bottom of the described chair back be interspersed with rear lock-bit axle and opposing parallel with rear lock-bit axle before lock-bit axle, parallel rear lock-bit axle, the clamping corresponding to the two ends of angle-regulating block of front lock-bit axle.The position of the mutual clamping between adjustable chair-back and base, as the forward clamping of the chair back and the reverse clamping of the chair back, the comformability of chair back location.

The bottom of described base is fixed with supporting leg fixed support, the support bracket fastened opposite side of described base relative support leg is installed with crocodile mouth connector, pitman is socketed with in crocodile mouth connector, the end winding support of described pitman has the adapting pipe of crocodile mouth, the end winding support of crocodile mouth adapting pipe has crocodile mouth, the right-hand member of crocodile mouth is fixed with crocodile mouth pin, and crocodile mouth pin interts the left end in the adapting pipe of crocodile mouth.Pitman in crocodile mouth connector before and after or slide up and down, thus make crocodile mouth adapting pipe fixing on crocodile mouth connector lean out base, in the adapting pipe of crocodile mouth, crocodile mouth leans out the more long crocodile mouth that is more conducive to of base and is engaged with automotive seat or other junctions, the adapting pipe of crocodile mouth is extended and also the base of vehicles child seat can be positioned at the position of automobile, by crocodile mouth pin by the adapting pipe of crocodile mouth and able to keep a secret fixed the linking together of crocodile.

Described supporting leg fixed support is fixedly connected with crocodile mouth connector, crocodile mouth connector top hollow out has the first kidney slot, bottom hollow out has the second kidney slot, crocodile mouth adapting pipe midway location is fixed with crocodile mouth adapting pipe support, support shaft is fixed with in crocodile mouth adapting pipe support, rack sleeve is connected in the first kidney slot, and described pitman interts in the second kidney slot.The right-hand member of crocodile mouth adapting pipe is fixedly connected with pitman, the midway location of crocodile mouth adapting pipe is fixed with support shaft, support shaft and pitman are socketed in respectively in the first kidney slot and the second kidney slot and carry out slide anteroposterior, ensure that crocodile mouth adapting pipe left end crocodile mouth carries out adjustable occlusion with automotive seat or other junctions, base bottom is slided to again after the occlusion of crocodile mouth, by base, crocodile mouth is protected, carry out socket between the adapting pipe of crocodile mouth and crocodile mouth connector up and down respectively to slide, make vertical upper can not deflecting between the two, stablize during slip.

Described angle-regulating block is fixed with front lock-bit axle, be provided with groove before angle-regulating block in described angle-regulating block, accommodate anterior rotor and anterior shell fragment before angle-regulating block in groove, in anterior rotor, be provided with hook groove, front lock-bit axle runs through in groove, and described anterior shell fragment is conflicted at the opening part hooking groove.Be positioned at wherein by the hook groove in anterior rotor by front lock-bit axle, anterior shell fragment is movably conflicted at the opening part hooking groove, and front lock-bit axle is enclosed in hook groove by anterior shell fragment.

The bottom of described anterior shell fragment is fixed with anterior shell fragment rotating shaft, and the bottom of described anterior rotor is fixed with anterior rotor axle, and anterior shell fragment rotating shaft is hinged on the top of groove before angle-regulating block, and anterior rotor axle is hinged on the bottom of groove before angle-regulating block.The anterior rotor axle that anterior rotor is fixed along bottom swings up and down, when anterior rotor is in low level, hook the state that groove is in opening upwards, when anterior rotor is in a high position, hook that channel opening is upwards corresponding with anterior shell fragment conflicts, front lock-bit axle is conflicted in groove by anterior shell fragment, the position before location between lock-bit axle and angle-regulating block; Anterior shell fragment swings along anterior shell fragment rotating shaft, conflicts at the opening part hooking groove when anterior shell fragment is in a high position, and the position of lock-bit axle before stable, is rocked to the below hooking channel opening when anterior shell fragment is in low level, and before waiting for, lock-bit axle enters and hooks in groove.

Described supporting leg comprises supporting leg fixed support and is fixed on the outer support leg of its end, described outer support leg internal sleeve is connected to inner support leg, supporting leg gear rotor is provided with, connection bent between described outer support leg and supporting leg fixed support between outer support leg and inner support leg.Inner support leg is socketed in outer support leg, the position be socketed between outer support leg and inner support leg is regulated by supporting leg gear rotor, realize the adjustment of position between the two, realize the extension of different length, under the state do not used, outer support leg is bent to parallel with supporting leg fixed support, saves the space of placing, in a state of use, outer support leg can be vertical with supporting leg fixed support.

The utility model compared with prior art, has the following advantages and effect:

1, unit design is reasonable, and integral structure stability is higher;

2, be easy between each structure regulate, and close structure is stablized;

3, release and operate more convenient when regulating, can synchronization regulation;

4, the Applicable scope of automobile children safety chair strengthens, and safety is high;

5, supporting leg adjustable length, not the used time bent take up room little.

Accompanying drawing explanation

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

Fig. 2 is the scheme of installation of headrest of the present utility model;

Fig. 3 is the structural representation of orienting lug of resting the head in the utility model;

Fig. 4 is that schematic diagram is cutd open in the side of resting the head in the utility model;

Fig. 5 is a kind of inner structure schematic diagram of direction of resting the head in the utility model;

Fig. 6 is the inner structure schematic diagram in another kind of direction of resting the head in the utility model;

Fig. 7 is the structural representation in a kind of direction of headrest foam in the utility model;

Fig. 8 is the structural representation in the another kind of direction of headrest foam in the utility model;

Fig. 9 is the structural representation of button of resting the head in the utility model;

Figure 10 is the decomposing schematic representation of the utility model seat forward;

Figure 11 is the reverse decomposing schematic representation of the utility model seat;

Figure 12 is the structural representation of angle-regulating block in the utility model;

Figure 13 is the schematic perspective view of angle-regulating block in the utility model;

Figure 14 is the structural representation of base in the utility model;

Figure 15 is the structural representation of the chair back in the utility model;

Figure 16 is the open mode schematic diagram of angle-regulating block in the utility model;

Figure 17 is the closure state schematic diagram of angle-regulating block in the utility model;

Figure 18 is the structural representation discharging handle in the utility model;

Figure 19 is the scheme of installation of the utility model crocodile mouth;

Figure 20 is the scheme of installation of crocodile mouth connector in the utility model;

Figure 21 is the structural representation of crocodile mouth adapting pipe in the utility model;

Figure 22 is the structural representation of rear fixed block in the utility model;

Figure 23 is the schematic diagram that in the utility model, crocodile mouth regulates a kind of direction of button;

Figure 24 is the schematic diagram that in the utility model, crocodile mouth regulates the another kind of direction of button;

Figure 25 is the structural representation in a kind of direction of release-push in the utility model;

Figure 26 is the structural representation in the another kind of direction of release-push in the utility model;

Figure 27 is the structural representation of crocodile mouth connector in the utility model;

Figure 28 is the structural representation of release in the utility model;

Figure 29 is the scheme of installation of the utility model middle front part rotor;

The locking schematic diagram of Figure 30 anterior rotor of the present utility model;

Figure 31 be the utility model middle front part rotor open schematic diagram;

Figure 32 is the structural representation discharging handle in the utility model;

Figure 33 is the scheme of installation of the utility model middle front part shell fragment;

Figure 34 is supporting leg schematic diagram of the present utility model;

Figure 35 is the supporting leg bending change schematic diagram in the utility model;

Figure 36 is the structural representation of inner support leg gear hole in the utility model;

Figure 37 is the structural representation of the utility model China and foreign countries supporting leg stop collar;

Figure 38 is the structural representation of supporting leg gear sheet rotating shaft in the utility model;

Figure 39 is the structural representation of supporting leg gear rotor in the utility model;

Figure 40 is the structural representation of supporting leg foot pad in the utility model;

Figure 41 is the structural representation of supporting leg upper cover in the utility model;

In figure, base 1, rear portion chute 11, anterior chute 12, lock-bit groove 13, angle-regulating block 2, rear slide shaft 21, advancing slip moving axis 22, regulates handle 23, lock-bit projection 231, release torsion spring 24, rear portion rotor 25, lock-bit sheet 26, lock-bit stage clip 27, anterior shell fragment 28, anterior shell fragment rotating shaft 281, portion's shell fragment guide groove 282, reseting pressuring spring 29, anterior rotor 210, anterior rotor axle 2101, anterior rotor guide groove 2102, hook groove 2103, bearing pin 211, reduction torsion spring 212, release handle 213, release handle guide groove 2131, groove 214 before angle-regulating block, the chair back 3, rear lock-bit axle 31, front lock-bit axle 32, chair back gear groove 33, chair back breather hole 34, chair back chute 35, pitman 41, crocodile mouth spring 42, crocodile mouth regulates button 43, crocodile mouth connector 44, , first kidney slot 441, second kidney slot 442, 3rd kidney slot 443, 4th waist shaped hole 444, crocodile mouth 45, crocodile mouth adapting pipe 46, crocodile mouth adapting pipe support 461, support shaft 4611, crocodile mouth adapting pipe latch 462, crocodile mouth pin 47, button pin 48, gear lever 49, release 410, release wire right 4101, release spool 4102, release wire 4103, release wire left 4104, two road lock dogs 411, two road lock jacking blocks 4111, release-push 412, release-push jacking block 4121, rear fixed block 413, front fixed block 414, release-push stage clip 415, two road block reset stage clips 416, headrest 5, headrest rib 51, headrest breather hole 52, headrest flank 53, headrest foam 54, headrest groove 55, headrest button 56, button groove 561, button locating piece 5611, stage clip projection 562, button positioning groove 563, button block 57, headrest gear lever 58, headrest stage clip 59, headrest orienting lug 510, orienting lug skewed slot 511, supporting leg 9, supporting leg upper cover 91, supporting leg lower cover 92, supporting leg fixed support 93, outer support leg 94, supporting leg foot pad 95, supporting leg foot pad anti-skidding protruding 951, supporting leg connector 96, supporting leg rotating shaft 97, fixed support connector 98, supporting leg gear shaft 99, inner support leg 910, inner support leg gear hole 9101, supporting leg regulates button 911, supporting leg gear rotor 912, supporting leg gear sheet rotating shaft 913, gear sheet V-type spring 914, outer support leg stop collar 915, inner support leg stop collar 916, supporting leg instruction button 918, supporting leg instruction button retracing spring 919, supporting leg indication window 920.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is described in detail: as shown in fig. 1, a kind of automobile children safety chair, comprise the chair back 3 and be fixedly installed on the base 1 bottom the chair back 3, being provided with in the chair back 3 can the headrest 5 of adjusting position, bottom the chair back 3 and be provided with the angle-regulating block 2 of adjustable tilt position between base 1, the crocodile mouth 45 of adjustable and retractable position is provided with in base 1, headrest foam 54 is provided with in headrest 5, tensile supporting leg 9 is provided with in base 1, at least there is the traveling comfort and interstructural stability that improve seat, and realize the safer of seat and easy-to-operate effect.

As as shown in Fig. 2 ~ 9, the head rest device of automobile child seat, comprise the chair back 3 and be located at the headrest 5 on the chair back 3 top, the chair back 3 is the accommodation cell body that U-shaped extends to form along 7 shapes, headrest 5 is arranged in the chair back 3 corresponding with the head of children, because children are in grow states, so rest the head on, 5 adjustable position is located in the chair back 3, to tackle the head of all ages and classes stage children, symmetrical chair back chute 35 is provided with in the chair back 3, chair back chute 35 is the cuboid elongated slot of the vertical hollow out of the chair back 3, headrest 5 is fixed with at least one headrest orienting lug 510, the slide block of multiple square or cuboid also can be set, headrest orienting lug 510 is fixed on the bottom of headrest 5, the dual-side of headrest orienting lug 510 is socketed in chair back chute 35, 5 times fixing headrest orienting lugs 510 of resting the head on slide in chair back chute 35, thus regulate the position of headrest 5 in the chair back 3 inside, the position making headrest 5 be in the chair back 3 inner different is corresponding with the head of all ages and classes stage children.

The side of chair back chute 35 is provided with chair back gear groove 33, chair back gear groove 33 is the tooth bar of strip, each teeth in tooth bar are inclined upwardly, fixedly run through in headrest orienting lug 510 and have headrest gear lever 58, headrest gear lever 58 is metal major axis, this metal major axis is fixedly plugged in headrest orienting lug 510, the two ends of metal major axis are connected in the teeth of chair back gear groove 33, headrest gear lever 58 two ends adjustable position be connected in chair back gear groove 33, headrest gear lever 58 be connected in the teeth of chair back gear groove 33 diverse location.Headrest gear lever 58 is connected in the teeth of chair back gear groove 33 diverse location, be positioned in the teeth of chair back gear groove 33 diverse location by the end of gear lever 58 of resting the head on, thus realization is rested the head on, gear lever 58 is connected in chair back chute 35 diverse location and realizes the adjustable location of headrest 5.

Headrest button 56 is plugged with in headrest 5, headrest button 56 crank motion in headrest 5 drives the button block 57 of headrest button 56 bottom, button block 57 can be cuboid or square or the soil block cloddy of rule, be provided with in button block 57 inclination or arc-shaped button skewed slot 571, button skewed slot 571 is socketed on the midway location of headrest gear lever 58, orienting lug skewed slot 511 is provided with in headrest orienting lug 510, orienting lug skewed slot 511 is rectangular channel, headrest gear lever 58 horizontally slips in rectangular channel, and headrest gear lever 58 interts in orienting lug skewed slot 511.Button skewed slot 571 moves up and down and drives headrest gear lever 58 to horizontally slip along orienting lug skewed slot 511 in orienting lug skewed slot 511, thus leave the teeth of chair back gear groove 33, simultaneously, headrest 5 can be promoted in the teeth of chair back gear groove 33 diverse location, realize teeth be connected to headrest gear lever 58 end headrest 5 is positioned.

Headrest button 56 is pressed downwards with hand, button skewed slot 571 moves downward and promotes headrest gear lever 58 and move along the oblique slot of button skewed slot 571, thus make headrest gear lever 58 slide anteroposterior in orienting lug skewed slot 511 leave chair back chute 35, meanwhile, pull or promote headrest 5 position of headrest 5 in the chair back 3 is regulated.Such as: when chair back chute 35 is horizontal, headrest 5 carries out horizontal slip along the chair back chute 35 of transverse direction.Again such as: when chair back chute 35 is vertical, headrest 5 vertically slides along vertical chair back chute 35, arrange the chair back chute 35 at angle of inclination equally, headrest 5 just can slide along angle of inclination, thus makes headrest 5 can be arranged on any position in the chair back 3.

Headrest button 56 is the plate body of strip or the structure of cuboid bulk.Headrest stage clip 59 is provided with in headrest button 56, headrest stage clip 59 is the spring body of columned spring body or tabular, headrest stage clip 59 is arranged between the chair back 3 and headrest button 56 in vertical column, headrest stage clip 59 is pressed between the chair back 3 and headrest button 56 and rebounds, and the top of headrest stage clip 59 vertical posts is fixed in headrest button 56, the low side of headrest stage clip 59 vertical posts is fixed on the midway location of headrest 5.Headrest stage clip 59 rebounds with headrest button 56 at the midway location of headrest 5, and headrest button 56 upwards can be rebounded along the midway location of headrest 5, cannot reply after avoiding headrest button 56 to press.Vertical symmetrical chair back chute 35 is provided with in the middle of the chair back 3 top, a headrest orienting lug 510 is respectively equipped with in two symmetrical chair back chutes 35, two symmetrical headrest orienting lugs 510 are socketed in two vertical chair back chutes 35 respectively, are plugged with a headrest gear lever 58 in two symmetrical headrest orienting lugs 510.

Two headrest orienting lug 510 symmetries are socketed in two vertical chair back chutes 35, slide up and down, headrest gear lever 58 end slides up and down in the teeth of chair back chute 35, thus the upper-lower position of headrest 5 in the chair back 3, symmetrical headrest orienting lug 510 slides up and down in the chair back chute 35 of symmetry, and symmetrical structure improves stability horizontal between structure.It is more stable that symmetrical structure makes headrest 5 move up and down, and ensure that headrest 5 is transversely stabilized in the chair back 3 along vertical symmetrical headrest orienting lug 510, headrest 5 is fixed in the chair back 5 can not be rotated.Horizontal chair back chute 35 or oblique chair back chute 35 can certainly be set, thus regulate headrest 5 in horizontal or oblique position.

The midway location of headrest 5 is vertically provided with the button groove 561 of strip, and button groove 561 one-tenth open column shape structures, button groove 561 can be hollow cuboid or cylinder, is socketed with the headrest button 56 of strip in button groove 561.Headrest button 56 is socketed in the button groove 561 of hollow strip cuboid, headrest button 56 slides up and down along the hollow cuboid in button groove 561, thus stable adjustment headrest button block 57 position, button 56 bottom, realize the promotion of headrest gear lever 58 and then the effect of the position of headrest 5 being carried out to up-down adjustment.

Stage clip projection 562 is fixed with in button groove 561, stage clip protruding 562 be circular projection or square projection, and headrest button 56 midway location has caved inward bounce-back groove 564, and the groove 564 that rebounds is the groove of open column shape, bounce-back groove 564 can be cuboid groove, and structure is simply easy to manufacture.Bounce-back groove 564 in be socketed with headrest stage clip 59, bounce-back groove 564 bottom stage clip projection 562 is socketed in wherein, stage clip projection 562 bounce-back groove 564 in upwards conflict headrest stage clip 59, headrest stage clip 59 bottom be fixedly connected with stage clip projection 562.So pressing headrest button 56 stage clip projection 562 compresses headrest stage clip 59 in the internal strain of bounce-back groove 564, stage clip projection 562 is along the groove 564 bottom upwards jack-up headrest stage clip 59 that rebounds, ensure that headrest button 56 can return back to original position after regulating the position of headrest 5, the structure of head restraint 5 of making to increase overally is more stable, improves service life.

Headrest button 56 two ends are fixed with button positioning groove 563, the shape of button positioning groove 563 is corresponding with the shape of button locating piece 5611, in button groove 561, two ends are provided with button locating piece 5611, button locating piece 5611 symmetry be socketed in button positioning groove 563, such as: button locating piece 5611 is square, then button positioning groove 563 can be rectangular-shaped, button locating piece 5611 is circular, then button positioning groove 563 can be cylindric, ensures stable the sliding up and down in button positioning groove 563 all the time of button locating piece 5611.Button locating piece 5611 is socketed in button positioning groove 563 and reciprocatingly slides, ensure that headrest button 56 up and down reciprocatingly slides along the button positioning groove 563 be vertically arranged in headrest 5 all the time, improve button locating piece 5611 and regulate the stability of headrest 5 position, service life lasting.

3 tops of resting the head on are fixed with the headrest flank 53 of two panels symmetry, headrest flank 53 is in semi arch schistose texture, the inside of headrest flank 53 is provided with headrest rib 51, headrest rib 51 is strip projected parts, foam groove 55 is the groove of hollow list structure, headrest rib 51 entirety is net structure, foam groove 55 is cancellated groove, headrest rib 51 is connected to wherein by foam groove 55, net structure makes the connection of headrest 5 internal stability, also the mode of bonding can be adopted to cement in foam groove 55 by headrest rib 51, headrest foam 54 is connected with in headrest flank 53, headrest foam 54 has caved inward foam groove 55, headrest rib 51 is plugged in foam groove 55.At the headrest foam 54 that the top clamping of headrest 5 is soft, contacted with head by headrest foam 54, improve traveling comfort and safety.The bottom of the chair back 3 is provided with the chair back breather hole 34 running through the chair back 3, and the bottom of headrest 5 is provided with headrest breather hole 52, and chair back breather hole 34 can merge with headrest breather hole 52 and be communicated with.The breather hole of the chair back 3 bottom and headrest 5 bottoms is interconnected, and improves the permeability to air of the chair back 3 and headrest 5 entirety, improves the traveling comfort be sitting in the chair back 3.

As shown in Figure 10 ~ 18, the chair back 3 can be the groove block with hollow contained structure, and can on sponge, arrange groove and form the chair back 3 also can be chair of the prior art, can directly adopt automotive seat of the prior art, facilitate selection.

Automotive seat comprise and are arranged on the chair back 3 times and the base 1 supporting the chair back 3, base 1 can be bracing frame or support slot, can be that to arrange groove in cuboid corresponding with the shape bottom the chair back 3, be arranged on the bottom of the chair back 3 in the groove of base 1, base 1 can be fixedly connected with the bottom of the chair back 3, such as, adopt welding, detouchable structure also can be adopted to connect, such as, employing bolt is fixed, or direct being contained in base 1 bottom of the chair back 3 is socketed.Be provided with the angle-regulating block 2 of arc shape between base 1 and the chair back 3, angle-regulating block 2 entirety is the arcuate structure of sheet, can be that cuboid metal sheet is bent to arc shape and is formed, easy processing and fabricating, and Stability Analysis of Structures.

Clamping is fixed in the both ends of the angle-regulating block 2 of arc and the bottom of the chair back 3, the bottom of the chair back 3 is fixed on the two ends of angle-regulating block 2, cross-tie is carried out to the bottom of the chair back 3 in the two ends of the angle-regulating block 2 of arc, namely, the bottom of dual-side to the chair back 3 of the cuboid metal sheet of bending supports, the chair back 3 and angle-regulating block 2 are fixed together, form the structure of the seesaw plate of bottom arc, when ensureing that the chair back 3 regulates along angle-regulating block 2, shape and the contained structure of the chair back 3 are changeless, passenger or driver ride in the chair back 3 can not affect ride effects because of the change of contained structure in the chair back 3.

The groove corresponding with angle-regulating block 2 is provided with in base 1.Groove in base 1 is corresponding with the shape of angle-regulating block 2, namely, the groove being provided with arc shape in base 1 is corresponding with angle-regulating block 2, meet the slide control that angle-regulating block 2 carries out mutual alignment in base 1, the cambered surface of the cambered surface that angle-regulating block 2 is formed and base 1 middle slot is tangent, two cambered surfaces also carry out the slip of the formula that contacts with each other each other, make the cambered surface of base 1 middle slot support more stable to the cambered surface of angle-regulating block 2.

The bottom of the chair back 3 be interspersed with rear lock-bit axle 31 and opposing parallel with rear lock-bit axle 31 before lock-bit axle 32, the solid metal axis body of rear lock-bit axle 31 and front lock-bit axle 32 same structure, diaxon is interted bottom the chair back 3, fixed by the two ends of diaxon and angle-regulating block 2, a plane is formed between parallel diaxon, and then the bottom support ensureing the chair back 3 is in one plane, can not run-off the straight; The plane that parallel rear lock-bit axle 31, front lock-bit axle 32 are formed is rectangular surfaces, by the conversion of the two ends of rectangular surfaces by overlapping with the plane formed bottom the chair back 3, and parallel rear lock-bit axle 31, the clamping corresponding to the two ends of angle-regulating block 2 of front lock-bit axle 32; The chair back 3 is made to be no matter that forward is when placing or oppositely place, all the time overlap in the plane of a rectangular surfaces formation, improve the stability that the chair back 3 is arranged on angle-regulating block 2 two ends, the position of the mutual clamping between adjustable chair-back 3 and base 1, as the forward clamping of the chair back and the reverse clamping of the chair back, the face that the chair back 3 is located is constant all the time.

The lock-bit groove 13 of a row is provided with in base 1, lock-bit groove 13 is the groove of rectangle and the corresponding clamping in angle-regulating block 2 bottom, the lock-bit groove 13 of one row forms the cuboid that has multiple groove, this cuboid is corresponding with angle-regulating block 2 bottom surface of arc, insert in a lock-bit groove 13 i.e. groove in the projection that arranges of angle-regulating block 2 bottom, just can position angle-regulating block 2 bottom, so arrange multiple lock-bit groove 13 to be arranged in a row the location just angle-regulating block 2 bottom can being carried out different angles, realize the adjustment of angle between angle-regulating block 2 bottom surface and base 1, the chair back 3 also can carry out the adjustment of angle when not changing spatial accommodation.

Angle-regulating block 2 bottom is provided with and regulates handle 23, handle 23 is regulated to be arranged on the midway location of angle-regulating block 2 bottom, adjustment handle 23 ringwise shape is arranged on the sidepiece of angle-regulating block 2 bottom, the adjustment handle 23 of side midway location is convenient to the sidepiece stress deformation of angle-regulating block 2, and the lock-bit protruding 231 of midway location on the right side of angle-regulating block 2 is inserted in lock-bit groove 13 smoothly.Handle 23 sidepiece is regulated to be fixed with lock-bit projection 231, arbitrary lock-bit groove 13 231 corresponding clampings protruding with lock-bit in one row's lock-bit groove 13, lock-bit projection 231 is corresponding with the groove in lock-bit groove 13, this groove can be the projection of cylinder, cuboid, triangle body or other irregular structures, is plugged on smoothly in lock-bit groove 13 carries out clamping as long as meet lock-bit projection 231.

Handle 23 is regulated to be fixed on the midway location of angle-regulating block 2 right-hand end, upwards pull the lock-bit projection 231 regulating handle 23 just can pull in angle-regulating block 2 to be separated with lock-bit groove 13, then slip angle regulating block 2 makes lock-bit protruding 231 insert in the lock-bit groove 13 of diverse location.Pull the corresponding different lock-bit groove 13 of lock-bit protruding 231 by regulating handle 23 to realize, the continuous change of relative position between angle-regulating block 2 bottom and base 1.

Rear portion chute 11 and anterior chute 12 is provided with in base 1, rear portion chute 11, anterior chute 12 for cuboid groove be corresponding with the arcuate structure of angle-regulating block 2, therefore cuboid groove is bent into arc carries out correspondence, bottom angle-regulating block 2 a two solid metal axle is interted at rear portion chute 11, in anterior chute 12, slide along the arcwall face formed between angle-regulating block 2 and base 1, the bottom of angle-regulating block 2 is interspersed with rear slide shaft 21 and advancing slip moving axis 22, rear slide shaft 21 correspondence is arranged in rear portion chute 11, advancing slip moving axis 22 correspondence is arranged in anterior chute 12, by rear portion chute 11, advancing slip moving axis 22, rear slide shaft 21, advancing slip moving axis 22 are supported, make to be limited in base 1 bottom angle-regulating block 2, ensure that the carrying out of the orbitally stable formed along rear portion chute 11, advancing slip moving axis 22 between angle-regulating block 2 and base 1 slides.Two chutes corresponding with front and back position bottom angle-regulating block 2 are provided with in base 1, slided in rear portion chute 11, anterior chute 12 by rear slide shaft 21, advancing slip moving axis 22, ensure the slip that angle-regulating block 2 is stable in base 1 can not detach base 1.

Wherein, the rear end of angle-regulating block 2 is hinged with rear portion rotor 25, rear portion rotor 25 is the cylinder of sheet, arrange at rear portion rotor 25 and hook that the opening of shape is corresponding with rear lock-bit axle 31 carries out clamping, the jointed shaft of rear portion rotor 25 is provided with release torsion spring 24, release torsion spring 24 is spring bodies of v shape, and release torsion spring 24 is located between rear portion rotor 25 and angle-regulating block 2; Release torsion spring 24 is conflicted on the hook shape opening and angle-regulating block 2 left end of rear portion rotor 25, and the hook shape opening that release torsion spring 24 withstands rear portion rotor 25 all the time makes hook shape opening open, and after meeting, lock-bit axle 31 can be put at any time and wherein carry out clamping.

Be provided with in rear portion rotor 25 and hook and the corresponding clamping of rear lock-bit axle 31, the rear portion of the chair back 3 is fixed on the rear portion of angle-regulating block 2, drive the chair back 3 rear portion to move by the change of angle-regulating block 2 position, realize the adjustment of angle position between the chair back 3 and base 1.The rear end of angle-regulating block 2 is fixed with lock-bit stage clip 27, and lock-bit stage clip 27 is cylindrical spring, and lock-bit stage clip 27 all the time conflict lock-bit sheet 26 inserts in the hollow cylinder of rear portion rotor 25.Lock-bit sheet 26 pairs of rear portion rotors 25 are positioned.Lock-bit stage clip 27 is fixed with lock-bit sheet 26, lock-bit sheet 26 can intert in rear portion rotor 25; Rear portion rotor 25 be circumferentially provided with the hollow cylinder corresponding with lock-bit sheet 26, lock-bit sheet 26 is solid metal cylinder, is plugged on by solid metal cylinder in the hollow cylinder of rear portion rotor 25, make rear portion rotor 25 to fixing; Multiple hollow cylinder is circumferentially set at rear portion rotor 25, lock-bit sheet 26 is interted and just can to position the hook shape aperture position of rear portion rotor 25 in the hollow cylinder of different circumferential position.

Such as: when being fixedly connected with rear lock-bit axle 31 in rear portion rotor 25, lock-bit sheet 26 is inserted in rear portion rotor 25 avoids rear lock-bit axle 31 to depart from rear portion rotor 25, ensures that clamping is fixed at angle-regulating block 2 rear portion and the chair back 3 rear portion; When rear portion rotor 25 is in open mode, lock-bit sheet 26 is inserted in rear portion rotor 25 avoids rear lock-bit axle 31 to close, and after ensureing, lock-bit axle 31 can enter in rear portion rotor 25 at any time and be fixed clamping.

The front end of angle-regulating block 2 is hinged with anterior rotor 210, anterior rotor 210 is sheet cylinder, anterior rotor 210 is provided with the opening hooking shape, the hook shape opening of anterior rotor 210 is relative with the opening of rear portion rotor 25, correspondingly with front lock-bit axle 32 can carry out clamping in the hook shape opening of anterior rotor 210; The jointed shaft of anterior rotor 210 is provided with retracing spring 212, retracing spring 212 is the spring body of v shape, retracing spring 212 is located between anterior rotor 210 and angle-regulating block 2, namely retracing spring 212 is located between angle-regulating block 2 right-hand member and anterior rotor 210, make the hook shape opening of anterior rotor 210 all the time upwards, before meeting, lock-bit axle 32 can enter at any time to hook in shape opening and carry out clamping; ; Anterior rotor 210 is provided with and hooks and the corresponding clamping of front lock-bit axle 32, the front portion of the chair back 3 is fixed on the front portion of angle-regulating block 2, drives the chair back 3 front portion mobile by the variation of angle-regulating block 2 position.

The front end of angle-regulating block 2 is fixed with anterior shell fragment 28, and anterior shell fragment 28 is oval or rectangular-shaped or column, and anterior shell fragment 28 is fixed with reseting pressuring spring 29, and anterior shell fragment 28 can be pressed and be touched on anterior rotor 210; Reseting pressuring spring 29 is hollow cylinder shape spring, reseting pressuring spring 29 upwards contacts anterior shell fragment 28 all the time, when being fixedly connected with front lock-bit axle 32 in anterior rotor 210, anterior shell fragment 28 pressure touch and avoid under the hook mouth of anterior rotor 210 before lock-bit axle 32 depart from anterior rotor 210, ensure the anterior clamping fixing with the chair back 3 front portion of angle-regulating block 2; When current lock-bit axle 32 leaves anterior rotor 210, anterior shell fragment 28 is reset spring 29 jack-up, anterior shell fragment 28 is pressed to be touched in the hook mouth of anterior rotor 210, simultaneously, front lock-bit axle 32 ejects anterior rotor 210, and before ensureing, lock-bit axle 32 can be pressed tactile anterior shell fragment 28 to enter in anterior rotor 210 at any time and is fixed clamping.

The rear end of angle-regulating block 2 is provided with lock-bit sheet 26, front end is provided with bearing pin 211, and bearing pin 211 is fixed on the anterior rotor 210 of angle-regulating block 2, and lock-bit sheet 26 and bearing pin 211 are provided with release handle 213; Release handle 213 is strip or rope body, the bottom of the left end pulling lock-bit sheet 26 of release handle 213 moves downward, lock-bit sheet 26 is made to leave the hollow cylinder of rear portion rotor 25, the hook shape opening of rear portion rotor 25 is opened, bearing pin 211 is fixed on anterior rotor 210, release handle 213 right part makes the hook shape opening of anterior rotor 210 open by pulling bearing pin 211, rear lock-bit axle 31 now in the chair back 3, front lock-bit axle 32 just can leave the two ends of angle-regulating block 2 smoothly, realize the dismounting between the chair back 3 and angle-regulating block 2.The lock body stage clip 27 under lock-bit sheet 26 and the bearing pin 211 on anterior rotor 210 is pulled by release handle 213, make the rear lock-bit axle 31 in rear portion rotor 25 and anterior rotor 210, front lock-bit axle 32 detaches rear portion rotor 25 and anterior rotor 210, by pulling release handle 213 just to separate angle-regulating block 2 and the chair back 3, be easy to operation.

As shown in Figure 19 ~ 28, base 1 and the supporting leg fixed support 93 be fixed on bottom base 1, supporting leg fixed support 93 takes the shape of the letter U and is fixed on the bottom of base 1, the opposite side of base 1 relative support leg fixed support 93 is installed with crocodile mouth connector 44, crocodile mouth connector 44 cuboid channel-shaped structure.Supporting leg fixed support 93 is fixedly connected with crocodile mouth connector 44, crocodile mouth connector 44 top hollow out has the first kidney slot 441, bottom hollow out has the second kidney slot 442, crocodile mouth adapting pipe 46 midway location is fixed with crocodile mouth adapting pipe support 461, support shaft 4611 is fixed with in crocodile mouth adapting pipe support 461, support shaft 4611 is socketed in the first kidney slot 441, and pitman 41 interts in the second kidney slot 442.

Crocodile mouth adapting pipe 46 is hollow cuboid metal tube, crocodile mouth adapting pipe support 461 is semi-round metal sheet or meniscate metal sheet, by the midway location top being welded on crocodile mouth adapting pipe 46 of crocodile mouth adapting pipe support 461 symmetry, carry out sliding block joint by support shaft 4611 and the crocodile mouth connector 44 of solid cylinder shape.Crocodile mouth connector 44 left end hollow out has the 4th waist shaped hole 444, and button pin 48 is fixed in the 4th waist shaped hole 444, and crocodile mouth connector 44 left part midway location hollow out has in the 3rd kidney slot the 443, three kidney slot 443 and is socketed with gear lever 49.Gear lever 49 is solid cylinder metal axis body, gear lever 49 optionally clamping in the crocodile mouth adapting pipe latch 462 of teeth shape, thus carries out the position regulating crocodile mouth 45.

Wherein, first kidney slot 441, second kidney slot 442, the 3rd kidney slot 443 are three rectangular channels, three rectangular channels are arranged on the diverse location of crocodile mouth connector 44, first kidney slot 441, second kidney slot 442 is the rectangular channel of horizontally set, the track laterally slided is provided, 3rd kidney slot 443 is the vertical rectangular channel arranged, and provides the vertical track slided.4th waist shaped hole 444 is hollow circular hole, for the button pin 48 of fixing implementation cylinder shaft-like.First kidney slot 441 is corresponding with the support shaft 4611 of cylinder shaft-like to be socketed, and support shaft 4611 reciprocatingly slides in rectangular channel first kidney slot 441 of transverse direction.Second kidney slot 442 is corresponding with the pitman 41 of cylinder shaft-like to be socketed, pitman 41 drives the crocodile mouth adapting pipe 46 at two ends to carry out synchronous slide, make the crocodile mouth 45 in crocodile mouth adapting pipe 46 can be accommodated in base 1, because fill by discharging spool 4102 with the gap of crocodile mouth adapting pipe 46 with supporting leg fixed support 93, so crocodile mouth adapting pipe 46 can slip in the bottom of base 1 along the second kidney slot 442 always, crocodile mouth 45 is received, release spool 4102 is hollow cylindrical spring, also bend, but total length is only followed bending curvature and changes, affect less on the release wire 4103 of steel rope body.

Be socketed with pitman 41 in crocodile mouth connector 44, the end winding support of pitman 41 has crocodile mouth adapting pipe 46, and the end winding support of crocodile mouth adapting pipe 46 has crocodile mouth 45, and the right-hand member of crocodile mouth 45 is fixed with crocodile mouth pin 47, and crocodile mouth pin 47 interts the left end in crocodile mouth adapting pipe 46.Be hinged with crocodile mouth in crocodile mouth connector 44 and regulate button 43, crocodile mouth regulates button 43 in cuboid handle-shaped, promotes or presses handle and regulate sliding up and down of button 43 times gear levers 49 by realizing crocodile mouth.

The gear lever 49 of cylindrical shape slides up and down in the rectangular channel of the 3rd kidney slot 443, thus regulation stall bar 49 is connected in the crocodile mouth adapting pipe latch 462 of teeth shape.The tooth bar that multiple crocodile mouth adapting pipe latch 462 is formed can be used for gear lever 49 to carry out the clamping of diverse location, makes crocodile mouth 45 can be contained in diverse location place bottom base 1.Button pin 48 is fixed with in crocodile mouth connector 44, crocodile mouth regulates one end of button 43 to be hinged on button pin 48, on the other end and is fixed with gear lever 49, the transversely hollow out of crocodile mouth adapting pipe 46 has at least two crocodile mouth adapting pipe latches 462, and gear lever 49 is adjustable to be positioned in latch 462.

Release-push 412 is the button of cuboid bulk, projection and the release-push jacking block 4121 of strip is provided with in the bottom of cuboid bulk, the projection of this strip can be that rectangular strip is as cuboid, two road lock dog 411 Zhong bis-road lock jacking blocks 4111 are 7 shapes, rectangular strip is pluggable in 7 Xing bis-road lock jacking blocks 4111, otherwise, rectangular strip by withstand on two roads lock jacking blocks 4111 side on cannot fall.Supporting leg fixed support 93 sidepiece is fixed with release-push 412, is socketed with release-push stage clip 415 in release-push 412, release-push stage clip 415 is the spring of hollow cylinder shape.Release-push stage clip 415 is stretched out by the inside of release-push 412.Be interspersed with the release 410 pulling crocodile mouth 45 folding in crocodile mouth connector 44, the left end of release 410 is fixed in crocodile mouth 45, right-hand member is fixed in release-push 412.Crocodile mouth 45 can be opened under driving status, can be engaged under the state do not pulled, and can adopt crocodile mouth 45 of the prior art.

Be fixed with the bottom that two road lock dog 411, two road lock dogs 411 are located at release-push 412 under supporting leg fixed support 93 sidepiece, in two road lock dogs 411, be provided with two road block reset stage clips 416.Two road block reset stage clips 416 are columned spring, fixedly sleeved in two road lock dogs 411, for two road lock dogs 411 provide the round power after pressing.The side of two road lock dogs 411 near release-push 412 bottom is provided with two road lock jacking blocks 4111, and release-push 412 bottom is fixed with release-push jacking block 4121, two road lock jacking block 4111 and conflicts in the bottom of release-push jacking block 4121.

Release 410 is interspersed with in crocodile mouth connector 44, release 410 comprises the release spool 4102 interted in crocodile mouth connector 44, run through in release spool 4102 and accommodate release wire 4103, the right-hand member of release wire 4103 is fixed with release wire right 4101, left end is fixed with release wire left 4104.The right-hand member fixed cover of crocodile mouth adapting pipe 46 is connected to rear fixed block 413, left end fixed cover is connected to front fixed block 414.Rear fixed block 413 is cuboid block structure, rear fixed block 413 left end is socketed in hollow crocodile mouth adapting pipe 46, rear fixed block 413 stops that release spool 4102 enters in crocodile mouth adapting pipe 46, the bending space of release spool 4102 provides accommodation for release wire 4103, the release wire 4103 of steel rope body bends in release spool 4102, the bottom of base 1 is had hold the space that crocodile mouth adapting pipe 46 and crocodile mouth 45 enter.

Pitman 41 is provided with crocodile mouth spring 42, and one end of crocodile mouth spring 42 is fixed on pitman 41, the other end is fixedly connected on base 1.Interposition spring bearing, the two ends of crocodile mouth spring 42 are hook shape spring, and provide hook shape spring to be fixed in hook by pitman 41, the hook of the other end is fixed with base 1 and is connected.

As shown in Figure 29 ~ 33, the latching device of angular adjustment 2 in base 1, comprise angle-regulating block 2 and be fixed on the front lock-bit axle 32 on angle-regulating block 2, front lock-bit axle 32 is cylindrical axis body, before at least one, lock-bit axle 32 is arranged on the bottom of the chair back, and the chair back is fixedly connected with angle-regulating block 2 by front lock-bit axle 32, adopts the mode of lock-bit axle 32 before hooking groove 2103 clamping to be fixed connection, hooking groove 2103 also can be able to be U-lag for semi-round groove, also can be other shapes.Hook the opening of groove 2103 and the corresponding clamping of circumference of front lock-bit axle 32, the left side of anterior shell fragment 28 coordinates with the opening of hook groove 2103 and is positioned in angle-regulating block 2 by front lock-bit axle 32.

Groove 214 before hollow rectangular-shaped angle-regulating block is provided with in angle-regulating block 2, before angle-regulating block, groove 214 is the hollow tabular cuboids be vertically arranged in angle-regulating block 2, anterior rotor 210 is rectangular patch or oval tabular, anterior rotor 210 top is provided with hook part, this hook part is for hooking groove 2103, anterior rotor 210 to be contained in before angle-regulating block in groove 214, and swing up and down in groove 214 before angle-regulating block, anterior shell fragment 28 is the metallic object of 7 shapes, and elastomeric material also can be adopted to make.Cushioned hooking the vibrations of lock-bit axle 32 before in groove 2103 by the elasticity of anterior shell fragment 28, thus avoid front lock-bit axle 32 to detach hook groove 2103.Accommodate anterior rotor 210 and anterior shell fragment 28 before angle-regulating block in groove 214, be provided with and hook groove 2103 in anterior rotor 210, front lock-bit axle 32 is applied in and hooks in groove 2103, and anterior shell fragment 28 is conflicted at the opening part hooking groove 2103.Be positioned at wherein by the hook groove 2103 in anterior rotor 210 by front lock-bit axle 32, anterior shell fragment 28 is movably conflicted at the opening part hooking groove 2103, and front lock-bit axle 32 is enclosed in and hooks groove 2103 by anterior shell fragment 28.

The bottom of anterior shell fragment 28 is fixed with anterior shell fragment rotating shaft 281, anterior shell fragment rotating shaft 281 is columniform axis body, anterior shell fragment rotating shaft 281 runs through the right part of anterior shell fragment 28, the part that anterior shell fragment rotating shaft 281 passes anterior shell fragment 28 to be arranged on before angle-regulating block in groove 214, anterior shell fragment rotating shaft 281 can be fixed in the groove of groove 214 before angle-regulating block, and the anterior shell fragment 28 of 7 shape sheets is swung up and down in groove 214 before angle-regulating block.

When anterior shell fragment 28 is upwards rocked to extreme higher position with anterior rotor 210 is the same, front lock-bit axle 32 is locked at and hooks in groove 2103; When anterior shell fragment 28 is upwards rocked to extreme lower position with anterior rotor 210 is the same, hook groove 2103 opening upwards, the removable hook groove 2103 of front lock-bit axle 32.The bottom of anterior rotor 210 is fixed with anterior rotor axle 2101, and anterior shell fragment rotating shaft 281 is hinged on the top of groove 214 before angle-regulating block, and anterior rotor axle 2101 is hinged on the bottom of groove 214 before angle-regulating block.

The anterior rotor axle 2101 that anterior rotor 210 is fixed along bottom swings up and down, when anterior rotor 210 is in low level, hook the state that groove 2103 is in opening upwards, when anterior rotor 210 is in a high position, hook groove 2103 opening upwards is corresponding with anterior shell fragment 28 conflicts, front lock-bit axle 32 is conflicted in hook groove 2103 by anterior shell fragment 28, the position before location between lock-bit axle 32 and angle-regulating block 2; Anterior shell fragment 28 swings along anterior shell fragment rotating shaft 281, conflict when anterior shell fragment 28 is in a high position at the opening part hooking groove 2103, the position of lock-bit axle 32 before stable, is rocked to the below hooking groove 2103 opening when anterior shell fragment 28 is in low level, before waiting for, lock-bit axle 32 enters and hooks in groove 2103.

Anterior rotor 210 is fixed with bearing pin 211, bearing pin 211 is tubular axis body, bearing pin 211 is vertically fixedly applied in anterior rotor 210 top, bearing pin 211 is fixed on the left-hand portion hooking groove 2103, the rope body of release handle 213 strip or soft bar, if cross-sectional plane is the plastic strip of rectangle, the left end of release handle 213 is that column structure is convenient to staff and is held, conveniently hold the column structure of similar handle, rope body or the release of soft bar 213 midways location of shaking hands are provided with rectangular-shaped orienting lug, the release handle guide groove 2131 of strip shape is provided with in rectangular-shaped orienting lug, release handle guide groove 2131 drives the bearing pin 211 on anterior rotor 210 top upwards to swing, thus discharge the front lock-bit axle 32 hooked in groove 2103.

Bearing pin 211 is socketed with release handle 213, release handle 213 is provided with release handle guide groove 2131, and release handle guide groove 2131 is socketed on bearing pin 211.Release handle guide groove 2131 is socketed on bearing pin 211, the position of the anterior rotor 210 on bearing pin 211 is pulled up and down, thus pull anterior rotor 210 to be in a high position or low level, hook groove 2103 in anterior rotor 210 to be in low level and namely to wait for the position that front lock-bit axle 32 enters, hook in anterior rotor 210 groove 2103 be in high-order namely before lock-bit axle 32 entered to hook in groove 2103 and be in locking state; Regulated by the release handle position of guide groove 2131 to anterior rotor 210 on release handle 213, be easy to operation.

Anterior rotor 210 bottom is fixed with anterior rotor axle 2101, anterior rotor axle 2101 is socketed with the reduction torsion spring 212 of v shape, reduction torsion spring 212 midway location of v shape is socketed on anterior rotor axle 2101, and reduction torsion spring 212 1 termination of v shape is fixed in the bearing pin 211 of anterior rotor 210, another termination is fixed in the right-hand member of anterior shell fragment 28.The reduction torsion spring 212 of v shape is between anterior rotor 210 and anterior shell fragment 28, conflicted in mutual alignment between the two, ensure that anterior shell fragment 28 upwards swings along anterior shell fragment rotating shaft 281 all the time, the hook groove 2103 of anterior shell fragment 28 left end and anterior rotor 210 is conflicted, ensures to hook stable being locked in wherein by front lock-bit axle 32 of groove 2103.

The interposition of anterior rotor 210 is equipped with anterior rotor guide groove 2102, and anterior rotor guide groove 2102 can be the groove of rectangle, limits the sidepiece that anterior shell fragment 28 is positioned at anterior rotor 210 all the time, ensures to link together closely between the two; Anterior shell fragment 28 top is provided with the anterior shell fragment axis of guide 282, and the anterior shell fragment axis of guide 282 is socketed in anterior rotor guide groove 2102.The anterior shell fragment axis of guide 282 is socketed in anterior rotor guide groove 2102, and slidably reciprocate in anterior rotor guide groove 2102, limit anterior shell fragment 28 left end and carry out stable sliding up and down at anterior rotor 210 sidepiece all the time, link together closely between two slide constructions, make the state in motion more stable.

Anterior rotor guide groove 2102 is inverted 7 shape grooves, and the anterior shell fragment axis of guide 282 is socketed in the anterior rotor guide groove 2102 of 7 shapes.Release handle guide groove 2131 upward movement, thus pull the bearing pin 211 on anterior rotor 210, anterior rotor 210 upwards swings along anterior rotor axle 2101.

The anterior shell fragment axis of guide 282 slides up and down in the vertical slot of 7 shape grooves, the anterior shell fragment axis of guide 282 positions in the transverse groove of 7 shape grooves, form the mechanical self-latching between anterior shell fragment 28 and anterior rotor 210, rebound after avoiding between anterior shell fragment 28 and anterior rotor 210, front lock-bit axle 32 being locked, this mechanical self-latching structure, release handle guide groove 2131 upwards pull mad by force under, just can untie.

Anterior shell fragment 28 top is extended with reseting pressuring spring 29 downwards, reseting pressuring spring 29 can be the spring of the hollow cylinder bodily form, also can be the spring steel plate of strip, the bottom of reseting pressuring spring 29 to be fixed on before angle-regulating block in groove 214, the top of reseting pressuring spring 29 is fixed on anterior shell fragment 28 left part of 7 shapes, also can be fixed on left end, be easier to anterior shell fragment 28 left part and rotate along the anterior shell fragment rotating shaft 281 of anterior shell fragment 28 right-hand member.

Groove 214 bottom land before angle-regulating block is fixed on bottom reseting pressuring spring 29, also can arrange and protruding hollow reseting pressuring spring 29 is socketed in projection by groove 214 bottom land before angle-regulating block, also can cylinder groove is set strip reseting pressuring spring 29 is fixedly contained in wherein by groove 214 bottom land before angle-regulating block.

There is provided bounce upwards by reseting pressuring spring 29 for anterior shell fragment 28, anterior shell fragment 28 is better conflicted in the front end hooking groove 2103, front lock-bit axle 32 is better fixed on and hooks in groove 2103.Anterior shell fragment 28 has reseting pressuring spring 29, upwards rebounding all the time of reseting pressuring spring 29 makes anterior shell fragment 28 conflict in hook groove 2103, anterior shell fragment 28 is withstood by tubular reseting pressuring spring 29, ensure that anterior shell fragment 28 is conflicted all the time and hook groove 2103, and cushion hooking the vibrations of lock-bit axle 32 before in groove 2103, front lock-bit axle 32 is positioned at and hooks in groove 2103.

As shown in Figure 34 ~ 41, supporting leg 9 comprises supporting leg fixed support 93, the shape that takes the shape of the letter U is made up of the steel pipe of two bendings, also can be that the steel pipe of hollow cuboid is bent to U-shape, install corresponding with the bottom of automotive seat for the steel body of U-shape, the bottom of automotive seat can be rectangle, also can be circular, can correspondingly with the steel body of U-shape install.

And be fixed on the outer support leg 94 of supporting leg fixed support 93 end, outer support leg 94 is hollow steel body, outer support leg 94 and inner support leg 910 can be hollow cylinder or hollow cuboid, the diameter of inner support leg 910 is less than the diameter of outer support leg 94, inner support leg 910 is made to be socketed in outer support leg 94, carry out slip back and forth, outer support leg 94 internal sleeve is connected to inner support leg 910, supporting leg gear rotor 912 is provided with between outer support leg 94 and inner support leg 910, supporting leg gear rotor 912 can be steel disc also can be provided with protruding snap fit, also can be the column structure such as solid cylinder or cuboid, supporting leg gear rotor 912 is plugged between inner support leg 910 and outer support leg 94, restriction inner support leg 910 is socketed in the position in outer support leg 94, realize the adjustment of inner support leg 910 and outer support leg 94 relative position, realize the controllability of length between inner support leg 910 and outer support leg 94.

Connection bent between outer support leg 94 and supporting leg fixed support 93.Can be hinged between outer support leg 94 and supporting leg fixed support 93, other bent modes also can be adopted to connect.Inner support leg 910 is socketed in outer support leg 94, the position be socketed between outer support leg 94 and inner support leg 910 is regulated by supporting leg gear rotor 912, realize the adjustment of position between the two, realize the extension of different length, under the state do not used, outer support leg 94 is bent to parallel with supporting leg fixed support 93, saves the space of placing, in a state of use, outer support leg 94 can be vertical with supporting leg fixed support 93.

Supporting leg fixed support 93 takes the shape of the letter U shape, fixed support connector 98 is had on bottom U-shaped, the cross-sectional plane of fixed support connector 98 is for being provided with opening U-lag, the side of U-lag is triangular in shape, the top of U-lag is provided with filled circles axis of a cylinder, metal filled circles axis of a cylinder and supporting leg rotating shaft 97, supporting leg rotating shaft 97 interts at the two ends of U-lag opening, supporting leg connector 96 is identical with the shape of fixed support connector 98, two U-lag openings are undertaken hinged by a supporting leg rotating shaft 97, fixed support connector 98 is provided with supporting leg rotating shaft 97, supporting leg rotating shaft 97 is connected with supporting leg connector 96, fixed support connector 98 and supporting leg connector 96 rotate along supporting leg rotating shaft 97, make to rotate between the supporting leg fixed support 93 that is fixed on fixed support connector 98 and the outer support leg 94 be fixed on supporting leg connector 96.Supporting leg connector 96 is fixedly connected with outer support leg 94 top, and this is fixedly connected with mode and the mode of welding can be adopted to connect, and bolt also can be adopted to connect, and supporting leg connector 96 midway location is provided with supporting leg gear shaft 99.

Supporting leg gear shaft 99 is solid metal cylinder axis, or solid metal square shaft, supporting leg gear shaft 99 interts in supporting leg connector 96, when supporting leg connector 96 rotates along supporting leg rotating shaft 97, supporting leg gear shaft 99 limits outer support leg 94 and bends within the scope of 90 degree, supporting leg fixed support 93 bottom, limit outer support leg 94 to rotate within the scope of 90 degree at 0 degree with the bending angle of supporting leg fixed support 93, safety when avoiding outer support leg 94 to surmount 90 degree of scopes and affect use.

Make to carry out hinged along supporting leg rotating shaft 97 between supporting leg connector 96 and fixed support connector 98, realize rotation between the two; In a state of use, limiting outer support leg 94 by the supporting leg gear shaft 99 on supporting leg connector 96 carries out vertical with supporting leg fixed support 93, supporting leg gear shaft 99 limits the bottom that supporting leg connector 96 is in supporting leg fixed support 93 all the time, and stable the carrying out of outer support leg 94 is supported.Outer support leg 94 bottom is fixed with outer support leg stop collar 915, inner support leg 910 top is fixed with inner support leg stop collar 916, inner support leg stop collar 916 is socketed in outer support leg 94, the cross-sectional area on outer support leg stop collar 915 top is greater than the cross-sectional area of inner support leg stop collar 916, and the cross-sectional area of outer support leg stop collar 915 bottom is less than the cross-sectional area of inner support leg stop collar 916.Inner support leg stop collar 916 is socketed in outer support leg 94 all the time and the space extending outer support leg 94 inside reciprocatingly slides, avoid inner support leg 910 to flee from out supporting leg 94, ensure that inner support leg 910 carries out in supporting leg 94 all the time outside stable flexible.

Outer support leg 94 bottom is fixed with outer support leg stop collar 915, outer support leg stop collar 915 is hollow cuboid or hollow cylinder, also can outer support leg stop collar 915 outside be irregularly shaped, outer support leg stop collar 915 is inner corresponding with the exterior contour of outer support leg 94, be provided with hollow cylinder groove or hollow cuboid groove in outer support leg stop collar 915, hollow groove and outer support leg 94 bottom of this regular shape are fixedly sleeved.

Supporting leg gear sheet rotating shaft 913 is provided with in outer support leg stop collar 915, supporting leg gear sheet rotating shaft 913 can be inverted 7 shapes, the snap fit of inverted 7 shapes is stuck in circular hole or rectangular-shaped inner support leg gear hole 9101, and inner support leg gear hole 9101 shape is corresponding with the snap fit being inverted 7 shapes.Supporting leg gear rotor 912 is fixed in supporting leg gear sheet rotating shaft 913, and inner support leg 910 is evenly distributed from top to bottom inner support leg gear hole 9101, and supporting leg gear rotor 912 can intert in inner support leg gear hole 9101.Supporting leg gear rotor 912 interts the position limited in inner support leg gear hole 9101 between inner support leg 910 and outer support leg 94, realizes the fixing of inner support leg 910 and outer support leg 94 mutual alignment; Supporting leg gear rotor 912 does not intert in inner support leg gear hole 9101, and between inner support leg 910 and outer support leg 94, slide control can be carried out in mutual alignment.

The midway location of supporting leg gear rotor 912 is fixed in supporting leg gear sheet rotating shaft 913, supporting leg gear rotor 912 rotates along supporting leg gear sheet rotating shaft 913, supporting leg gear sheet rotating shaft 913 is solid cylinder metal axis body, it can be steel axle, service life is lasting, be easy to supporting leg gear rotor 912 rotate, the lower end of being inverted the supporting leg gear rotor 912 of 7 shapes is connected in inner support leg gear hole 9101, supporting leg gear rotor 912 upper end of being inverted 7 shapes is fixed with supporting leg and regulates button 911, supporting leg adjustment button 911 can be the rubber layer of one piece of sheet such as rectangular sheet or disk, also can be resin bed, or plastic layer, soft structures handled easily librarian use finger presses,

Supporting leg regulates bottom button 911 and is fixed with gear sheet V-type spring 914, gear sheet V-type spring 914 is bent to V-arrangement for sheet or strip spring, gear sheet V-type spring 914 bottom is fixed in supporting leg gear sheet rotating shaft 913, position along supporting leg gear sheet rotating shaft 913, gear sheet V-type spring 914 top is fixed on supporting leg and regulates button 911 and supporting leg gear rotor 912 bottom, regulate between button 911 and supporting leg gear rotor 912 along supporting leg and rebound, supporting leg gear rotor 912 hook part of inversion 7 shape is made to be connected in inner support leg gear hole 9101 all the time, thus the length formed between firm determination outer support leg 94 and inner support leg 910 and mutual alignment.

Button 911 supporting leg gear rotor 912 is regulated just to rotate along supporting leg gear sheet rotating shaft 913 so press supporting leg, make that supporting leg gear rotor 912 is adjustable to be plugged in inner support leg gear hole 9101, gear sheet V-type spring 914 returns back to original position after making supporting leg regulate button 911 to press, and makes stable being connected in inner support leg gear hole 9101 in the lower end of supporting leg gear rotor 912.

The bottom of inner support leg 910 is fixed with supporting leg foot pad 95, supporting leg foot pad 95 can be rubber case or plastic jacket, contacted with the stampeding section in automobile by supporting leg foot pad 95, dust is avoided to enter in hollow inner support leg 910, also improve the friction between inner support leg 910 bottom and stampeding section, be easy to the position determining inner support leg 910 bottom.The bottom of supporting leg foot pad 95 is fixed with supporting leg foot pad anti-skidding protruding 951.Supporting leg foot pad anti-skidding protruding 951 can be that cylindrical projection also can the projection of echelon form, and also can be the projection of cylindrical shape, also can be the projection of semicircle shape.Supporting leg foot pad 95 contacts with the place of trampling in compartment; supporting leg foot pad 95 is wrapped in bottom inner support leg 910; bottom protection inner support leg 910; supporting leg foot pad 95 is contacted with the place of trampling in compartment by supporting leg foot pad anti-skidding protruding 951; improve frictional property; avoid sliding with the place of trampling in compartment bottom inner support leg 910, affect support effect.

Supporting leg indication window 920 is provided with in supporting leg foot pad 95, supporting leg indication window 920 is 7 shape dead slots in supporting leg foot pad 95, the upper end transverse groove of 7 shapes and ft connection, observed by the end of 7 shapes, the supporting leg instruction button 918 of ligule is accommodated in the vertical slot of 7 shape grooves, supporting leg instruction button 918 bottom of ligule leans out vertical slot, supporting leg instruction button 918 upper end of ligule is fixedly connected with supporting leg instruction button retracing spring 919, supporting leg instruction button retracing spring 919 is fixedly sleeved in the vertical slot of 7 shape grooves, supporting leg indication window is socketed with supporting leg instruction button 918 920 times, supporting leg instruction button 918 is fixedly connected with supporting leg instruction button retracing spring 919.Supporting leg instruction button retracing spring 919 can be spring leaf or column spring, and supporting leg instruction button retracing spring 919 is limited in supporting leg foot pad 95.

Supporting leg instruction button 918 is located in supporting leg foot pad 95, the bottom of supporting leg instruction button 918 contacts with the place of trampling in compartment, supporting leg instruction button 918 can reciprocatingly slide in supporting leg indication window 920, the upper end of supporting leg instruction button 918 is red, the lower end of supporting leg instruction button 918 is blue, the color of supporting leg instruction button 918 is observed by supporting leg indication window 920, such as: supporting leg indication window 920 shows blue supporting leg instruction button 918, now, contact with the place of trampling in compartment bottom supporting leg instruction button 918, supporting leg instruction button 918 top is interted in supporting leg indication window 920, the contact of supporting leg instruction button retracing spring 919 pairs of supporting leg instruction button 918 carries out perception, observe supporting leg indication window 920 and show blueness for safe condition, shown in red is precarious position.

Be provided with supporting leg instruction button 918 in supporting leg end and supporting leg foot pad 95, observe color by supporting leg indication window 920, there is the effect of successful installation instruction; When supporting leg touches the base plate of automobile, supporting leg indication window 920 can be shown in green, if do not touch car floor, supporting leg indication window 920 can be shown in red.

Supporting leg fixed support 93 is provided with supporting leg upper cover 91 with the top, junction of outer support leg 94, supporting leg upper cover 91 is conchoidal protection body, soft material can be adopted to make, such as: adopt elastomeric material to make, supporting leg upper cover 91 times is to there being supporting leg lower cover 92.Supporting leg upper cover 91 carries out socket with the upper right side of supporting leg lower cover 92 pairs of supporting legs 9 and realizes protecting.The upper end of supporting leg upper cover 91 pairs of supporting legs 9 is protected, and avoids touching supporting leg fixed support 93 and the junction of outer support leg 94 when operating, and improves the stability of junction, and avoids touching with operating personal to produce injuring.

By foregoing description, those skilled in the art can implement.

Above content described in this specification sheets is only to the explanation of the utility model structure example; And the title that the utility model parts are got also can be different, and the equivalence that all structures according to the utility model inventional idea, feature and principle are done or simple change, be included in the protection domain of the utility model patent.

Claims

1. an automobile children safety chair, comprise the chair back and be fixedly installed on the base bottom the chair back, it is characterized in that: being provided with in the described chair back can the headrest of adjusting position, the angle-regulating block of adjustable tilt position is provided with bottom the chair back and between base, the crocodile mouth of adjustable and retractable position is provided with in described base, be provided with headrest foam in described headrest, in described base, be provided with tensile supporting leg.

2. automobile children safety chair according to claim 1, it is characterized in that: described headrest adjustable ground is located in the chair back, be provided with symmetrical chair back chute in the chair back, described headrest is fixed with at least one headrest orienting lug, the dual-side of headrest orienting lug is socketed in chair back chute.

3. automobile children safety chair according to claim 2, it is characterized in that: the side of described chair back chute is provided with chair back gear groove, fixedly run through and have headrest gear lever in headrest orienting lug, being connected in chair back gear groove of the two ends adjustable position of described headrest gear lever.

4. automobile children safety chair according to claim 1 and 2, it is characterized in that: the angle-regulating block being provided with arc shape between described base and the chair back, clamping is fixed in the both ends of the angle-regulating block of arc and the bottom of the chair back, is provided with the groove corresponding with angle-regulating block in described base.

5. automobile children safety chair according to claim 4, it is characterized in that: the bottom of the described chair back be interspersed with rear lock-bit axle and opposing parallel with rear lock-bit axle before lock-bit axle, parallel rear lock-bit axle, the clamping corresponding to the two ends of angle-regulating block of front lock-bit axle.

6. automobile children safety chair according to claim 1 and 2, it is characterized in that: the bottom of described base is fixed with supporting leg fixed support, the support bracket fastened opposite side of described base relative support leg is installed with crocodile mouth connector, pitman is socketed with in crocodile mouth connector, the end winding support of described pitman has the adapting pipe of crocodile mouth, the end winding support of crocodile mouth adapting pipe has crocodile mouth, and the right-hand member of crocodile mouth is fixed with crocodile mouth pin, and crocodile mouth pin interts in one end of crocodile mouth adapting pipe.

7. automobile children safety chair according to claim 6, it is characterized in that: described supporting leg fixed support is fixedly connected with crocodile mouth connector, first kidney slot is arranged at crocodile mouth connector top, bottom hollow out has the second kidney slot, crocodile mouth adapting pipe midway location is fixed with crocodile mouth adapting pipe support, support shaft is fixed with in crocodile mouth adapting pipe support, rack sleeve is connected in the first kidney slot, and described pitman interts in the second kidney slot.

8. automobile children safety chair according to claim 1 and 2, it is characterized in that: described angle-regulating block is fixed with front lock-bit axle, groove before angle-regulating block is provided with in described angle-regulating block, anterior rotor and anterior shell fragment is accommodated in groove before angle-regulating block, hook groove is provided with in anterior rotor, front lock-bit axle runs through in groove, and described anterior shell fragment is conflicted at the opening part hooking groove.

9. automobile children safety chair according to claim 8, it is characterized in that: the bottom of described anterior shell fragment is fixed with anterior shell fragment rotating shaft, the bottom of described anterior rotor is fixed with anterior rotor axle, anterior shell fragment rotating shaft is hinged on the top of groove before angle-regulating block, and anterior rotor axle is hinged on the bottom of groove before angle-regulating block.

10. automobile children safety chair according to claim 1 and 2, it is characterized in that: described supporting leg comprises supporting leg fixed support and is fixed on the outer support leg of its end, it is characterized in that: described outer support leg internal sleeve is connected to inner support leg, supporting leg gear rotor is provided with, connection bent between described outer support leg and supporting leg fixed support between outer support leg and inner support leg.