CN201566675U

CN201566675U - Baby carriage backrest structure

Info

Publication number: CN201566675U
Application number: CN2009202196285U
Authority: CN
Inventors: 程宝贤
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-26
Filing date: 2009-10-26
Publication date: 2010-09-01
Anticipated expiration: 2019-10-26

Abstract

The utility model provides a baby carriage backrest structure, which is characterized in that a grasp part which consists of a male grasping block and a female grasping block is arranged on a backrest bracket, the male and the female grasping blocks is connected with one end of a pull rope, a blocking rod is connected with the other end of the pull rope, an adjusting seat is pivoted on the backrest bracket, the adjusting seat is provided with a plurality of positioning grooves so as to hold the blocking rod; and when the oblique angle of the backrest bracket is adjusted, the pull rope can be pulled only by grasping the male and the female grasping blocks to drive the blocking rod to be separated from the positioning groove of the adjusting seat, so the oblique angle of the backrest bracket can be conveniently adjusted.

Description

The baby cart back rest structure

Technical field

The utility model relates to a kind of baby cart back rest structure, refers to a kind ofly by the portion of holding, stay cord, clamping rod and adjust seat institute to be formed a structure design simple and easy especially, and can conveniently reach the baby cart back rest structure of adjustment back bracket angle of inclination effect.

Background technology

See also shown in Figure 8, for existing a kind of perambulator chair back is adjusted structure, make front vehicle frame 61, back vehicle frame 62 and cross bar 63 adopt the A font to connect, and tiltedly establish one with cross bar 63 contact places to front vehicle frame 61 middle sections in back vehicle frame 62 and sit bar 64, a chair back skeleton 7 is pivoted in the stage casing of sitting bar 64 again, intersegmental then striding established an angular adjustment seat 8 in this chair back skeleton 7 and the back vehicle frame 62, in addition in chair back skeleton 7 with sit bar 64 front ends and wear a sheet; Wherein, this chair back skeleton 7, mainly be to set firmly angular adjustment seat 8 one ends with a pivoted body 72 by a main rod 71 stage casings, and an interlock joint 73 is pivoted in main rod 71 tops, these 73 tops, interlock joint sheathed one

lean bar

74, and 73 are connected with therebetween with a pull bar 75 with the open-work of pivoted body 72 tops in the interlock joint;

Whereby, see also shown in Figure 9, when desire was adjusted the angle of inclination of the chair back, the two hands while application of force was positioned at the angular adjustment seat 8 of perambulator both sides, at this moment, main rod 71 meeting shelves, the interlock joint 73 that is hubbed at main rod 71 tops bends because of the traction of tension member 75, and along with main rod 71 angles of inclination increase gradually, the bending degree in its interlock joint 73 also increases thereupon, according to this, to reach the effect of adjusting chair back angle.

Yet, to describe as can be known by said structure, this existing perambulator chair back is adjusted structure, at the textural interlock that utilizes a plurality of bodies of rod, to reach the effect of adjusting chair back angle, in this design, not only structure is quite loaded down with trivial details, and when also taking a lot of work in the assembling more, in addition, in the operation of chair back angular adjustment, palpus two hands force in the angular adjustment seat of perambulator both sides simultaneously, can carry out the adjustment of angle to the chair back, therefore, very inconvenience in the angular adjustment operation of the chair back.

The utility model content

Main purpose of the present utility model is in order to provide a kind of structure design simple and easy, low cost, and can conveniently reach the baby cart back rest structure of adjusting back bracket angle of inclination effect.

In order to reach above-mentioned enforcement purpose, the design people proposes following baby cart back rest structure, mainly on back bracket, be assembled with male and female and hold piece, be formed with the embedding chamber on the piece and hold in this mother, other make public affairs hold piece in female relatively hold that piece one end is provided with can be for the corresponding chimeric embedding portion in embedding chamber of holding piece with mother, hold piece and mother in public affairs again and hold that each winding has stay cord one end on the piece, and in stay cord in addition termination be provided with clamping rod, make this clamping rod be installed in back bracket again, articulate in back bracket in addition and adjust seat, and be provided with a plurality of positioning grooves in adjusting seat, with relative clip with clamping rod.

Specifically, the baby cart back rest structure that the utility model proposes, be on back bracket, to be assembled with male and female to hold piece, be formed with the embedding chamber on the piece and hold in this mother, other make public affairs hold piece in female relatively hold that piece one end is provided with can be for the corresponding chimeric embedding portion in embedding chamber of holding piece with mother, hold piece and mother in public affairs again and hold that each winding has stay cord one end on the piece, and in stay cord in addition termination be provided with clamping rod, make this clamping rod be installed in back bracket again, articulate in back bracket in addition and adjust seat, and be provided with a plurality of positioning grooves in adjusting seat, with relative clip with clamping rod.

Above-mentioned baby cart back rest structure, wherein, this back bracket is further held piece assembling place in male and female and is provided with two relative long slot bores, and holding the piece group in male and female is provided with bond post in addition, in two long slot bores that are inserted in back bracket respectively.

Above-mentioned baby cart back rest structure, wherein, this male and female is held piece and further is formed with sleeve, with the sheathed assembling of back bracket.

Above-mentioned baby cart back rest structure, wherein, this male and female holds on the piece further that winding has bond post, in addition stay cord one end further group be provided with clasp, to establish winding with the corresponding button of bond post that male and female is held piece.

Above-mentioned baby cart back rest structure, wherein, the end that this stay cord and clamping rod join further group is provided with plug, further is provided with keyhole in addition on clamping rod, with the plug corresponding inserted winding of stay cord.

Above-mentioned baby cart back rest structure, wherein, the enterprising one step forming of this clamping rod has the appearance hole, and further be equipped with elastic component in the Yu Rongkong, and be provided with set pin again to wear back bracket, pass the appearance hole of clamping rod again, so that this elastic component one end is butted on set pin, end is butted on the appearance bore ends in addition.

Above-mentioned baby cart back rest structure, wherein, this set pin further places adjusts seat, is articulated with back bracket so that adjust seat.

Above-mentioned baby cart back rest structure, wherein, this clamping rod bottom further is formed with oblique surface.

Above-mentioned baby cart back rest structure, wherein, this back bracket further is configured as hollow form, in being installed in for stay cord and clamping rod.

Above-mentioned baby cart back rest structure, wherein, this adjustment seat bottom side further is provided with one group of upright hole.

Whereby, the baby cart back rest structure that the utility model proposes, when desire is adjusted the angle of inclination of back bracket, need only male and female be held piece with one hand holds and closes, can spur stay cord, drive the clip that clamping rod breaks away from the positioning groove of exchanging bed rearrangement again, conveniently to reach the effect of adjusting the back bracket angle of inclination.

Description of drawings

Fig. 1 is an overall diagram of the present utility model;

Fig. 2 is a three-dimensional exploded view of the present utility model;

Fig. 3 is a positive view of the present utility model;

Fig. 4 is a local Zoom Side of the present utility model cutaway view;

Fig. 5 is running condition figure of the present utility model (one);

Fig. 6 is running condition figure of the present utility model (two);

Fig. 7 is running condition figure of the present utility model (three);

Fig. 8 is the lateral plan of prior art;

Fig. 9 is the running condition figure of prior art.

The main element label declaration:

(the utility model)

1 back bracket, 10 hollow bulbs

11 crossbeams, 12 straight-bars

121 perforation, 13 long slot bores

14 long slot bores, 15 set pins

2 hold portion's 21 public affairs holds piece

211 embedding portions, 212 sleeves

213 bond posts, 22 mothers hold piece

Embedding chambers 221 222 sleeves

223 bond posts, 3 stay cords

31 clasps, 32 plugs

4 clamping rods, 41 keyholes

42 hold hole 43 elastic components

44 oblique surfaces 5 are adjusted seat

51 peristomes, 52 open-works

54 groups of upright holes of 53 positioning grooves

(prior art)

61 front vehicle frame, 62 back vehicle frames

63 cross bars 64 are sat bar

7 chair back skeletons, 71 main rods

72 pivoted bodies, 73 interlock joints

74 lean bar 75 pull bars

8 angular adjustment seats

The specific embodiment

Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model:

At first, see also shown in Fig. 1,2, be the baby cart back rest structure that the utility model proposes, by back bracket 1, hold portion 2, stay cord 3, clamping rod 4 and adjust 5 of seats and form, wherein:

This back bracket 1 is formed with crossbeam 11, and connects to stretch under by curved the prolonging in crossbeam 11 two ends straight-bar 12 is arranged, and see also shown in Figure 3, make this back bracket 1 form hollow form, be provided with two relative

long slot bores

13,14 in back bracket 1 its crossbeam 11 again, be provided with perforation 121 in two straight-bars 12 in addition;

This holds portion 2, comprise two male and females that are involutory and hold

piece

21,22, be to make mother hold piece 22 to be provided with and to hold piece its embedding portion corresponding embedding chambers 221 that embed 211 21 for public affairs, make this male and

female hold piece

21,22 again and be formed with sleeve 212,222, socket-connect with crossbeam 11 with back bracket 1, hold in this male and female again that group is provided with bond post 213,223 on the sleeve 212,222 of

piece

21,22, and the bond post 213,223 that makes this male and

female hold piece

21,22 distinctly is inserted in back bracket 1 set long slot bore 13,14;

This stay cord 3 is placed in the hollow bulb 10 of back bracket 1, and in stay cord 3 one end windings clasp 31 is arranged, and holds bond post 213, the 223 corresponding snappings of

piece

21,22 for male and female, holds winding that plug 32 is arranged in addition in this stay cord 3 again;

This clamping rod 4, see also shown in Figure 4, be to be connected in the hollow bulb 10 of back bracket 1 its two straight-bar 12, make clamping rod 4 upper ends be provided with keyhole 41, plug 32 corresponding pegging graft for stay cord 3, on clamping rod 4, be formed with in addition and hold hole 42, and in holding hole 42, be equipped with elastic component 43, make on this appearance hole 42 and back bracket 1 its straight-bar 12 set perforation 121 corresponding again, penetrate the open-work 52 of adjusting seat 5 for set pin 15, through the perforation 121 of straight-bar 12, establish with the appearance hole 42 common cross-under groups of clamping rod 4 again, so that these elastic component 43 1 ends are butted on set pin 15, end is butted on and holds 42 ends, hole in addition, is formed with oblique surface 44 in clamping rod 4 bottoms in addition;

This adjusts seat 5, the peristome 51 that is shaped, and be provided with open-work 52 in these peristome 51 upper limbs, be formed with a plurality of positioning grooves 53 in peristome 51 root edges again, for clamping rod 4 corresponding clips, be provided with one group of upright hole 54 in adjusting seat 5 bottom sides in addition, to be connected with group with the perambulator main body.

In view of the above, when use implementing, please consult again shown in Figure 1, be with baby cart back rest structure of the present utility model by adjusting set group of upright hole 54, seat 5 bottom sides, with perambulator main body Joint;

See also shown in Figure 5, when the child takes in perambulator, desire to make comfortable the lying of child to lean on, and when adjusting the angle of backrest, the user need only hold and closes on the other hand male and female is held

piece

21,22, and at this moment, male and female is held

piece

21,22 and utilized the bond post 213,223 that is connected on the sleeve 212,222, slippage in the long slot bore 13,14 of back bracket 1, and it is corresponding chimeric with female embedding chamber 221 of holding piece 22 to make that public affairs are held piece 21 its embedding portions 211;

Simultaneously, see also shown in Figure 6ly, hold the stay cord 3 that

piece

21,22 its bond posts 213,223 are interlockingly connected by clasp 31 and male and female and up spurred, and drive stay cord 3 clamping rod 4 that joins of end displacement action up in addition;

In hereat, clamping rod 4 bottoms break away from the clip state with the positioning groove 53 of adjusting seat 5, and simultaneously, it holds elastic component 43 in holes 42 along with the drawing high of clamping rod 4 to be assembled in clamping rod 4, and is compressed;

And after clamping rod 4 breaks away from clip with the positioning groove 53 of adjusting seat 5, promptly can carry out the adjustment at angle of inclination with the back bracket 1 that clamping rod 4 is connected with group;

After back bracket 1 is adjusted to required angle, see also shown in Figure 7, even if male and female held holding of

piece

21,22 close with discharging, at this moment, be assembled in the elastic component 43 that is compressed in clamping rod 4 its appearance holes 42 and be able to reinstatement, reset and clamping rod 4 down pushed, again with the set positioning groove 53 corresponding clips of adjustment seat 5 relative positions, with location back bracket 1 adjusted heeling condition, and the guiding of the oblique surface 44 that is shaped by clamping rod 4 bottoms, make that the action of clamping rod 4 insertion adjustment seats 5 its positioning grooves 53 is more smooth and easy and certain.

By said structure and embodiment as can be known, the utility model utilization is assembled in the portion's of holding pulling stay cord of back bracket, drive the clip state that clamping rod breaks away from the positioning groove of exchanging bed rearrangement by stay cord again, easy whereby structure design, promptly can reach the effect of adjusting the back bracket angle of inclination, not only cost of manufacture low and the assembling on also very convenient, save time, and utilize and can one to hold the public affairs of closing, mother holds piece and carries out the Initiated Mechanism of angular adjustment as starting back bracket, so, when desire is adjusted the angle of back bracket, need only just can reach the effect of adjusting the back bracket angle of inclination with one-handed performance, and it is convenient to make operation go up.

The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.

Claims

1. baby cart back rest structure, it is characterized in that, described baby cart back rest structure is assembled with public affairs on back bracket, mother holds piece, be formed with the embedding chamber on the piece and hold in described mother, described public affairs are held piece and are held the corresponding chimeric embedding portion in embedding chamber that piece one end is provided with confession and described mother holds piece in described relatively mother, hold piece and described mother in described public affairs again and hold that each winding has stay cord one end on the piece, and in described stay cord in addition termination be provided with clamping rod, described clamping rod is installed in described back bracket, articulate in described back bracket in addition and adjust seat, and be provided with the positioning groove of the relative clip of a plurality of and described clamping rod in described adjustment seat.

2. baby cart back rest structure as claimed in claim 1, it is characterized in that, described back bracket is further held piece assembling place in described male and female and is provided with two relative long slot bores, holding the piece group in described male and female is provided with bond post in addition, and described bond post is inserted in respectively in two long slot bores of described back bracket.

3. baby cart back rest structure as claimed in claim 1 is characterized in that, described male and female is held piece and further is formed with and the sheathed stack-mounted sleeve of described back bracket.

4. baby cart back rest structure as claimed in claim 1 is characterized in that, described male and female holds on the piece further that winding has described bond post, in addition described stay cord one end further group be provided with the corresponding clasp of establishing winding of buckleing of bond post of holding piece with described male and female.

5. baby cart back rest structure as claimed in claim 1 is characterized in that, the end that described stay cord and described clamping rod join further group is provided with plug, further is provided with the keyhole with the plug corresponding inserted winding of described stay cord in addition on described clamping rod.

6. baby cart back rest structure as claimed in claim 1, it is characterized in that, the enterprising one step forming of described clamping rod has the appearance hole, and in described appearance hole, further be equipped with elastic component, be provided with set pin again, described set pin is arranged in described back bracket and passes the appearance hole of described clamping rod, and described elastic component one end is butted on described set pin, and end is butted on described appearance bore ends in addition.

7. baby cart back rest structure as claimed in claim 6 is characterized in that, described set pin further places described adjustment seat, and described adjustment seat is articulated with described back bracket.

8. baby cart back rest structure as claimed in claim 1 is characterized in that, described clamping rod bottom further is formed with oblique surface.

9. baby cart back rest structure as claimed in claim 1 is characterized in that, described back bracket further is configured as for described stay cord and described clamping rod and is installed in interior hollow form.

10. baby cart back rest structure as claimed in claim 1 is characterized in that, described adjustment seat bottom side further is provided with one group of upright hole.