CN201037002Y

CN201037002Y - Foldable perambulator frame

Info

Publication number: CN201037002Y
Application number: CNU2007200500474U
Authority: CN
Inventors: 何云峰
Original assignee: ZHONGSHAN LEMEIDA DAILY NECESSITIES CO Ltd
Current assignee: ZHONGSHAN LEMEIDA DAILY NECESSITIES CO Ltd
Priority date: 2007-03-31
Filing date: 2007-03-31
Publication date: 2008-03-19
Anticipated expiration: 2017-03-31

Abstract

The utility model relates to a foldable frame for a baby car, comprising a front bracket provided with a front wheel, a back bracket provided with a back wheel, a seat plate and a chair back, wherein, a back lug part of the back bracket is provided with a dead axle which extends inward; the front bracket, the seat plate and the chair back are respectively provided with a front lug part of the front bracket, an ear part of the seat plate and an ear part of the chair back, three of which are orderly encased in the dead axle; the front lug part of the front bracket, the ear part of the back bracket, the ear part of the seat plate and the ear part of the chair back are respectively provided with a slot; the chair back is provided with a fixture block which can move up and down, a return spring and a moveable dragging piece which can drag the fixture block to move upward, the return spring is pressed on the fixture block which can be inserted in a strip groove formed by aligning the slots of the front lug part of the front bracket, the ear part of the back bracket, the ear part of the seat plate and the ear part of the chair back. The aim of the utility model is to provide the foldable frame for a baby car with a seat plate, the chair seat and the chair frame of which can be folded together and which has the advantages of small volume after folded, convenient operation and practicability.

Description

A kind of Foldable baby vehicle frame

[technical field]

The utility model relates to a kind of stroller frame, furtherly be a kind of Foldable baby vehicle frame.

[background technology]

At present, the stroller frame of selling on the market forms the form of a connecting rod assembly usually with pivotally attached lever piece each other, is provided with control mechanism on the connecting rod assembly with the expansion of control link assembly and form a baby and take advantage of a space or control folded closed.Because the rod member on this kind perambulator is cooresponding many, complex structure, and need many places to carry out screens restriction, poor safety performance; Often need to open simultaneously the screens of many places during folding operation, make folding operation bother, the problem that when folding, also causes the folding of lever skeleton to have some setbacks easily, practical effect does not make customer satisfaction very much, therefore, require further improvement existing stroller frame structure.

[utility model content]

The utility model has overcome the deficiency in the above-mentioned technology and provides and had seat board and seat support, the chair frame can fold, volume after folding is little, easy to operate, practical a kind of Foldable baby vehicle frame.

For achieving the above object, the utility model has adopted following technical proposal:

A kind of Foldable baby vehicle frame, it includes the front frame of band front-wheel, after poppet, seat board and the chair back of band trailing wheel, back ear of described after poppet is provided with the anchor shaft that extends to the inside, described front frame, seat board and the chair back are respectively equipped with front journal portion, seat board ear and chair back ear, and front journal portion, seat board ear and chair back ear are socketed on the anchor shaft in turn; Be respectively equipped with draw-in groove in described front journal portion, back ear, seat board ear and the chair back ear, the movable draw piece that moves on can be upper and lower mobile fixture block, retracing spring and the pulling fixture block is housed on the described chair back, the retracing spring roof pressure is on fixture block, and fixture block can snap in above-mentioned front journal portion, back ear, seat board ear and the chair back ear in each formed bar-shaped trough in draw-in groove alignment back;

Aforesaid a kind of Foldable baby vehicle frame is characterized in that described front journal portion close described back ear's one side is provided with projection; An ear inboard, described back is provided with deep-slotted chip breaker, has kept flat spring in the deep-slotted chip breaker, and above-mentioned projection is inserted in this deep-slotted chip breaker and nestles at above-mentioned spring one end;

Aforesaid a kind of Foldable baby vehicle frame is characterized in that close described seat board ear of described front journal portion one side is provided with the pin of evagination, and seat board ear is provided with arc groove, and above-mentioned pin can be inserted in this arc groove and can be free to slide within it;

Aforesaid a kind of Foldable baby vehicle frame is characterized in that being provided with between the described seat board and the chair back screens connection structure, and this screens connection structure includes and is installed in chair back upper pendulum bar, button spring and is installed in block on the seat board; The button spring is socketed in the rotating shaft of fork, and one end roof pressure is in the fork upper end, and other end roof pressure is on the chair back; The fork upper end presses on the projection of described movable draw piece one side, and the fork lower end is provided with barb, and described block can be pressed against on the above-mentioned barb.The beneficial effects of the utility model are:

1, front frame, after poppet, seat board and the chair back are hinged, have avoided adopting complicated lever to connect, and integral structure is simple; Front frame, seat board and the chair back can be on after poppet anchor shaft rotate and stack together, volume after folding is little, is convenient to carrying, deposits.

2, in the time of will folding, the user moves by spurring on the movable draw piece drive fixture block, the fixture block compression reseting spring is also deviate from draw-in groove, the projection of movable draw piece one side promotes the fork swing simultaneously, make the seat board and the chair back also break away from mutually, front frame, after poppet, seat board and the chair back can relatively rotate and fold like this, at this moment, only need that front frame, after poppet, seat board and the chair back are made simple rotation and got final product folding together, operate very easy.

3, be respectively arranged with draw-in groove on front frame, after poppet, seat board and the chair back, use fixture block to snap in the draw-in groove being connected of firm front frame, after poppet, seat board and the chair back, simultaneously the screens connection structure is set between the seat board and the chair back, makes integral structure stable, safe and practical.

4, the seat board and the chair back are hinged on the underframe of front frame and after poppet formation, and the baby can be sitting on the seat board and freely play, good practical effect.

[description of drawings]

Be described in further detail below in conjunction with accompanying drawing and embodiment of the present utility model:

Fig. 1 is the utility model deployed condition block diagram;

Fig. 2 is the utility model folded state block diagram;

Fig. 3 is front frame, after poppet, seat board and chair back package assembly scheme drawing;

Fig. 4 is an A place enlarged diagram among Fig. 3;

Fig. 5 is a B place enlarged diagram among Fig. 3;

Fig. 6 is the partial schematic diagram after each ear of the utility model connects blast;

Fig. 7 is seat board and front frame structural representation;

Fig. 8 is after poppet and anchor shaft package assembly scheme drawing;

Fig. 9 is the front frame structural representation;

Figure 10 is the back structure scheme drawing.

[specific embodiment]

As Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, a kind of Foldable baby vehicle frame that the utility model is related, it includes the front frame 1 of band front-wheel, after poppet 2, seat board 3 and the chair back 4 of band trailing wheel, back ear 22 of described after poppet 2 is provided with the anchor shaft 21 that extends to the inside, described front frame 1, seat board 3 and the chair back 4 are respectively equipped with front journal portion 11, seat board ear 31 and chair back ear 41, and front journal portion 11, seat board ear 31 and chair back ear 41 are socketed on the anchor shaft 21 in turn; Be respectively equipped with draw-in groove 80 in front journal portion 11, back ear 22, seat board ear 31 and the chair back ear 41, the movable draw piece 7 that moves on can be upper and lower mobile fixture block 5, retracing spring 6 and the pulling fixture block 5 is housed on the described chair back 4, retracing spring 6 roof pressures are on fixture block 5, and fixture block 5 can snap in above-mentioned front journal portion 11, back ear 22, seat board ear 31 and the chair back ear 41 in each formed bar-shaped trough 8 in draw-in groove 80 alignment backs.

When folding, the user presses the active button of pressing on the perambulator handrail, active button by stay cord pulling activity draw piece 7 upwards, movable draw piece 7 drives on the fixture block 5 and moves, fixture block 5 compression reseting springs 6 are also deviate from bar-shaped trough 8, and front frame 1, seat board 3 and the chair back 4 can relatively rotate around anchor shaft 21 and fold like this, at this moment, only need that front frame 1, after poppet 2, seat board 3 and the chair back 4 are made simple rotation and got final product folding together, operate very easy.Movable draw piece 7 is can upper and lower mobile drag hook in the utility model, and described fixture block 5 is fixed on the elasticity rigid posts 51, and elasticity rigid posts 51 is pressed against drag hook 7 hook ends.Fixture block 5, hard elastic bar 51, retracing spring 6 and drag hook 7 are installed in the housing of the chair back 4.

Wherein, draw-in groove 80 in the ear 22 of back be arranged on and the anchor shaft 21 that is fixedly linked on, anchor shaft 21 is provided with centre hole 210, ear 22 inboard, back are fixedly connected with screw rod 220, this screw rod 220 is contained in the centre hole 210, be connected to jam nut in screw rod 220 outer ends, anchor shaft 21 free ends also are provided with chimb 211, above-mentioned front journal portion 11, seat board ear 31 and chair back ear 41 have been limited between the chimb 211 of a back ear 22 and anchor shaft 21 vertically, make easy to assembly, after also being beneficial to the maintenance.

As Fig. 3 and shown in Figure 8, described front journal portion 11 is provided with projection 12 near described back ear's 22 1 sides; Ear 22 inboard, described back are provided with deep-slotted chip breaker 25, kept flat spring 9 in the deep-slotted chip breaker 25, above-mentioned projection 12 is inserted in this deep-slotted chip breaker 221 and nestles at above-mentioned spring 9 one ends, like this, promoting front journal portion 11 when launching under the resilient force of spring 9 rotates around anchor shaft 21, thereby open front frame 1 and after poppet 2 automatically, make

front frame

1 and 80 alignment of the draw-in groove on the after poppet 2 after the expansion simultaneously, for snapping in of fixture block 5 prepared.Front frame 1 is fixedly connected with hook 14, described after poppet 2 be provided with can before and after movable catch, after front frame 1 and after poppet 2 are folding, catch on the after poppet 2 may be stuck in the hook end of the hook 14 on the front frame 1, in the time will launching, stir the hook end that catch breaks away from hook 14, like this, front frame 1 and after poppet 2 launch automatically under compression spring 9 effects.

As Fig. 7 and shown in Figure 9, described front journal portion 11 is provided with the pin 13 of evagination near described seat board ear 31 1 sides, and seat board ear 31 is provided with arc groove 32, and above-mentioned pin 13 can be inserted in this arc groove 32 and can be free to slide within it.In the utility model, when pin 13 rotated around anchor shaft 21, pin 13 slided in arc groove 32 and is pressed against on the trough rim 320 of arc groove 32 1 ends, and at this moment, two draw-in grooves 80 in front journal portion 11 and the seat board ear 31 just align.

As shown in Figure 3 and Figure 4, seat board 3 promptly can relatively rotate with the chair back 4 and can firmly be connected, and its connection is as follows:

Be provided with screens connection structure 10 between the described seat board 3 and the chair back 4, this screens connection structure includes and is installed in the chair back 4 upper pendulum bars 100, button spring 101 and is installed in block 102 on the seat board 3; Button spring 101 is socketed in the rotating shaft of fork 100, and one end roof pressure is in fork 100 upper ends, and other end roof pressure is on the chair back 4; Fork 100 upper ends press on the projection 71 of movable draw piece 7 one sides of described activity, and fork 100 lower ends are provided with barb 103, and described block 102 can be pressed against on the above-mentioned barb 103.When pulling activity draw piece 7, the projection 71 on the movable draw piece 7 is to side extruding fork 100 upper ends, and barb 103 reversing senses of fork 100 lower ends are swung and broken away from block 102, and the seat board 3 and the chair back 4 can relatively rotate like this; In the time will launching to use the utility model, block 102 slips into and presses on the barb 103, two draw-in grooves, 80 alignment in seat board ear 31 and the chair back ear 41 simultaneously, fixture block 5 snaps in two draw-in grooves 80 in retracing spring 6 pressure effects like this, has realized that seat board 3 captives joint with the chair back 4.

The utility model operating process folding, when launching is as follows:

When folding, upwards promote described drag hook 7, projection 71 on the drag hook promotes fork 100 swings, move draw-in groove 80 on the fixture block 5 simultaneously, like this, front frame 1, seat board 3 and the chair back 4 can freely rotate around anchor shaft 21, at this moment, making the chair back 4 rotate backward and promote front frame 1 and after poppet 2 relative to seat board 3 rotates and folds, after folding, seat board 3, front frame 1, after poppet 2 and the chair back 4 stack together in turn, and front frame 1 and after poppet 2 by link up with 14 and catch be fastened togather realized folding.

When launching, stir catch, catch breaks away from hook 14, promotes front frame 1 and after poppet 2 backward rotation under 22 inner springs, 9 effects of a back ear, so front frame 1 and after poppet 2 launch two draw-in grooves, 80 alignment on front frame 1 and the after poppet 2 simultaneously.

The user rotates the seat board 3 and the chair back 4 with hand subsequently, the fork 100 that block 102 on the seat board 3 promotes on the chair back 4, the swing of fork 100 lower ends, block 102 slips into and is pressed against on the barb 103 of fork 100 lower ends, seat board 3 and the chair back 4 engagings have been realized, simultaneously two draw-in grooves, 80 alignment on the seat board 3 and the chair back 4.

Be rotated further the seat board 3 and the chair back 4, in the rotation process, when pin 13 rotates around anchor shaft 21, pin 13 is pressed against on the trough rim 320 of arc groove 32 1 ends, two draw-in grooves 80 in front journal portion 11 and the seat board ear 31 have also alignd, and at this moment, fixture block 5 moved down and snapped in front frame 1, after poppet 2, seat board 3 and the chair back 4 under retracing spring 6 effects four draw-in grooves, 80 alignment form in the bar-shaped trough 8, like this, front frame 1, after poppet 2, seat board 3 and the chair back 4 are all firm.

Claims

1. Foldable baby vehicle frame, it includes the front frame (1) of band front-wheel, after poppet (2), seat board (3) and the chair back (4) of band trailing wheel, it is characterized in that: back the ear (22) of described after poppet (2) is provided with the anchor shaft (21) that extends to the inside, described front frame (1), seat board (3) and the chair back (4) are respectively equipped with front journal portion (11), seat board ear (31) and chair back ear (41), and front journal portion (11), seat board ear (31) and chair back ear (41) are socketed on the anchor shaft (21) in turn; Be respectively equipped with draw-in groove (80) in described front journal portion (11), back ear (22), seat board ear (31) and the chair back ear (41), the movable draw piece (7) that moves on can be upper and lower mobile fixture block (5), retracing spring (6) and the pulling fixture block (5) is housed on the described chair back (4), retracing spring (6) roof pressure is on fixture block (5), and fixture block (5) can snap in above-mentioned front journal portion (11), a back ear (22), seat board ear (31) and chair back ear (41) and go up in each draw-in groove (80) alignment formed bar-shaped trough in back (8).

2. a kind of Foldable baby vehicle frame according to claim 1 is characterized in that described front journal portion (11) is provided with projection (12) near described back ear's (22) one sides; Ear (a 22) inboard, described back is provided with deep-slotted chip breaker (25), has kept flat spring (9) in the deep-slotted chip breaker (25), and above-mentioned projection (12) is inserted in this deep-slotted chip breaker (221) and nestles at above-mentioned spring (9) one ends.

3. a kind of Foldable baby vehicle frame according to claim 2, it is characterized in that close described seat board ear of described front journal portion (11) (31) one sides are provided with the pin (13) of evagination, seat board ear (31) is provided with arc groove (32), and above-mentioned pin (13) can be inserted in this arc groove (32) and can be free to slide within it.

4. a kind of Foldable baby vehicle frame according to claim 1, it is characterized in that being provided with screens connection structure (10) between the described seat board (3) and the chair back (4), this screens connection structure includes and is installed in the chair back (4) upper pendulum bar (100), button spring (101) and is installed in block (102) on the seat board (3); Button spring (101) is socketed in the rotating shaft of fork (100), and one end roof pressure is in fork (100) upper end, and other end roof pressure is on the chair back (4); Fork (100) upper end presses on the projection (71) of described movable draw piece (7) one sides, and fork (100) lower end is provided with barb (103), and described block (102) can be pressed against on the above-mentioned barb (103).