CN203142742U

CN203142742U - Baby stroller capable of being folded by single hand

Info

Publication number: CN203142742U
Application number: CN 201320021812
Authority: CN
Inventors: 徐加洪
Original assignee: DONGGUAN MASTER KIDS TOY Co Ltd
Current assignee: DONGGUAN MASTER KIDS TOY Co Ltd
Priority date: 2013-01-15
Filing date: 2013-01-15
Publication date: 2013-08-21
Anticipated expiration: 2023-01-15

Abstract

The utility model discloses a baby stroller capable of being folded by single hand. The baby stroller comprises a handle pipe, a front foot pipe, a front wheel, back foot pipes, back wheels and joint components. The handle pipe, the front foot pipe and the back foot pipes are connected mutually through the joint components. Each joint component comprises an upper joint, a lower joint, a slide sleeve, a slide sleeve limiter and a folding actuator, wherein the upper joint is connected with the handle pipe, the lower joint is connected with the front foot pipe, one end of the slide sleeve is mounted in the slide sleeve limiter in an inserted manner and the other end of the slide sleeve is inserted in one back foot pipe, the folding actuator drives the slide sleeve to move to further drive the upper joint and the lower joint to rotate reversely, so that folding and unfolding of the baby stroller can be achieved. The baby stroller has the advantages that a series of complicated steps for folding and unfolding the conventional baby strollers are simplified, and the baby stroller can be folded easily, conveniently and quickly after the front foot pipe and the handle pipe of the baby stroller rotate to fold under actions of the dead gravity by steps of pushing buttons of the folding actuators and then lifting a lift handle by the single hand.

Description

The perambulator that a kind of one hand folds

Technical field:

The utility model relates to the perambulator field, refers in particular to the perambulator that a kind of one hand folds.

Background technology:

Children trolley comprises handgrip, joint, mounting, the rear foot, wheel, seat and sunshade.Framework behind removal seat and the sunshade is called has retracting mechanism that vehicle frame is launched in use on the vehicle frame vehicle frame, fold when depositing.The retracting mechanism of traditional children go-cart is handgrip is connected and fixed on handle pipe upper end by rivet joint.Press the control setup that returns the vehicle to the garage and knock off, by trailing cable pulling locking bolt, itself and joint are thrown off, the upset handle pipe can be finished the folding of children trolley; Unclamp the button that returns the vehicle to the garage and knock off, under the effect of retracing spring, locking bolt resets.The advantage of traditional perambulator is: can be laterally or fold perambulator longitudinally, and it is less to fold the hand volume, but its drawback is: need finish a plurality of car actions when folding, for example: bend over or with kicking or squatting down and remove the gained state of back folding combination, the big-movement of bending over action such as amounts to handle pipe to front foot pipe.The folding very complicated remains to be improved.

At the problems referred to above, the utility model proposes a kind of perambulator that can singlehanded fold.

The utility model content:

The purpose of this utility model is to overcome the deficiencies in the prior art, the perambulator that provides a kind of one hand to fold.

In order to solve the problems of the technologies described above, the utility model has adopted following technical proposals: the perambulator that a kind of one hand folds, this perambulator comprises: handle pipe, front foot pipe, front-wheel, rear foot tube, trailing wheel and joint assembly, this joint assembly is with handle pipe, front foot pipe and rear foot tube interconnection, described joint assembly comprises: upper joint, hypozygal, sliding sleeve, sliding sleeve limit base and fold operating parts, upper joint is connected with handle pipe, hypozygal is connected with front foot pipe, sliding sleeve one end is inserted embedding and is installed in the sliding sleeve limit base, and the other end is sheathed in the rear foot tube;

Described upper joint, hypozygal and the mutual intussusception of sliding sleeve limit base are connected and can relatively rotate, the sheathed locating dowel pin of one on upper joint, hypozygal sliding sleeve and sliding sleeve limit base, form opposite track groove on upper joint and the hypozygal, common intersection point is arranged between the track groove, on the track groove, be equipped with bayonet lock; Bayonet lock is fixed on the sliding sleeve;

The described operating parts that folds comprises: be installed on recovery spring in the sliding sleeve, spur assembly, make the screens assembly of sliding sleeve relative fixed in rear foot tube and the button assembly of driver card hyte part;

Above-mentioned button assembly driver card hyte part breaks away from rear foot tube, and the pulling assembly drives sliding sleeve and moves, and it is mobile in the track groove to drive bayonet lock simultaneously, makes upper joint and hypozygal backward rotation, realizes folding/launching of perambulator.

Furthermore, in the technique scheme, the track groove that arranges on described upper joint and the hypozygal includes two gradual change deep-slotted chip breakers, is provided with screens in an end of gradual change deep-slotted chip breaker, and bayonet lock is stuck in this screens when making perambulator launch.

Furthermore, in the technique scheme, offer on the described sliding sleeve for locating dowel pin and wear and limit the bar-shaped trough of sliding sleeve motion track and the mounting groove of installing for the recovery spring, wear by rivet between sliding sleeve and the rear foot tube, rivet passes mounting groove; Position corresponding to bayonet lock on the described sliding sleeve limit base offers the type groove, and this type groove is parallel with bar-shaped trough, and bayonet lock drives in the type groove mobile by sliding sleeve.

Furthermore, in the technique scheme, described button assembly comprises: button and the button spring that is installed on the button, button has the foot of passing rear foot tube and can blocking sliding sleeve, this screens assembly comprises: be installed on spring and card grain in the sliding sleeve, an end of card grain is positioned in the rear foot tube wall; Described button and the corresponding installation of card grain, button breaks away from rear foot tube wall by button spring push card grain.

Furthermore, in the technique scheme, described button is installed on the rear foot tube by permanent seat, and the foot of button passes permanent seat and stretches in the rear foot tube, offers the perforation of passing for button spring on the permanent seat, and a protecting cover is installed outside permanent seat.

Furthermore, in the technique scheme, described pulling assembly comprises: handle band, pull bar, backguy and pulling piece, and pull bar is articulated on the permanent seat, and the handle band crosses the perambulator parking stall and is installed on the pull bar, the upwards upset of handle band pulling pull bar; Pull bar be connected by backguy with the pulling piece and the three between interlock, the pulling piece is installed on and drives sliding sleeve in the mounting hole of sliding sleeve and move.

Furthermore, in the technique scheme, described joint assembly is equipped with protective case outward, and this protective case comprises: shell and inner casing are equipped with a handrail on the protective case, handrail crosses Seat of baby's carriage, the handrail two ends are installed on the inner casing, and the handrail switch is set on handrail, and this handrail switch comprises: handrail button and handrail button spring, the handrail button snap is embedded in the inner casing and is revealed in outside the handrail, and the handrail button spring is installed on the handrail button and with hypozygal and is connected.

Furthermore, in the technique scheme, fix by rivet between upper joint and handle pipe, hypozygal and front foot pipe.

After adopting technique scheme, the utility model has following beneficial effect compared with prior art: needed a series of loaded down with trivial details steps when great advantage of the present utility model is to have simplified conventional pushchair and folds, only need press the button, one hand is mentioned the handle band, the front foot pipe of perambulator and handle pipe rotate under the effect of self gravitation and fold, and be simple when folding, convenient and swift.In addition, do not need loaded down with trivial details operation when being expansion yet, mention handle pipe, the bayonet lock upward movement of an end on the moving sliding sleeve of gradual change troughed belt on the upper joint, the bayonet lock of the other end drives front foot pipe in the track groove of hypozygal and handle pipe is done reverse motions, and recover spring at last sliding sleeve 44 is resetted, thus stuck upper joint and hypozygal, perambulator is finished and is launched action, simple and fast.

Description of drawings:

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

Fig. 2 is the lateral plan of deployed condition of the present utility model;

Fig. 3 is the lateral plan of collapse state of the present utility model;

Fig. 4 is the partial enlarged drawing at A place among Fig. 2;

Fig. 5 is the partial enlarged drawing at B place among Fig. 3;

Fig. 6 is the three-dimensional exploded view of joint assembly in the utility model.

Description of reference numerals:

1 handle pipe, 2 front foot pipe, 21 front-wheels, 3 rear foot tubes

31 trailing wheels, 4 joint assemblies, 41 upper joints 411,421 track grooves

42 hypozygals, 43 sliding sleeve limit bases, 431 type grooves, 44 sliding sleeves

441 bar-shaped troughs, 442 mounting grooves, 443 mounting holes, 45 locating dowel pins

46 bayonet locks 5 fold operating parts 51 and recover spring 52 pulling assemblies

521 handle bands, 522 pull bars, 523 backguys, 524 pulling pieces

53 screens assemblies, 531 card grains, 532 springs, 543 permanent seats

544 protecting covers, 54 button assemblies, 541 buttons, 542 button spring

60 shells, 61 inner casings, 7 handrails, 71 handrail buttons

72 handrail button spring, 8 rivets

The specific embodiment:

Below in conjunction with specific embodiments and the drawings the utility model is further specified.

See shown in Fig. 1-6, the perambulator that a kind of one hand folds, this perambulator comprises: handle pipe 1, front foot pipe 2, front-wheel 21, rear foot tube 3, trailing wheel 31 and joint assembly 4, this joint assembly 4 makes handle pipe 1, front foot pipe 2 and rear foot tube 3 interconnection handle pipe 1 and front foot pipe 2 fold to rear foot tube 3 with other backwards rotation by joint assembly 4 and folds.

Particularly, joint assembly 4 comprises: upper joint 41, hypozygal 42, sliding sleeve 44, sliding sleeve limit base 43 and fold operating parts 5, upper joint 41 is connected with handle pipe 1, hypozygal 42 is connected with front foot pipe 2, sliding sleeve 44 1 ends are inserted embedding and are installed in the sliding sleeve limit base 43, the other end is sheathed in the rear foot tube 3, and upper joint 41 and handle pipe 1, hypozygal 42 and 2 of front foot pipe are fixing by rivet 8.Upper joint 41, hypozygal 42 and sliding sleeve limit base 43 mutual intussusceptions are connected and can relatively rotate, the sheathed locating dowel pin 45 of one on upper joint 41, hypozygal 42 sliding sleeves 44 and sliding sleeve limit base 43, form opposite track groove 411,421 on upper joint 41 and the hypozygal 42, track groove 411,421 includes two gradual change deep-slotted chip breakers respectively, and when upper joint 41 and hypozygal 42 relatively rotate, all has common intersection point between track groove 411 and the track groove 421, on this track groove 411,421, be equipped with bayonet lock 46, bayonet lock 46 and sliding sleeve 44 stationkeeping.If sliding sleeve limit base 43 maintains static, sliding sleeve 44 is mobile in sliding sleeve limit base 43 under external force, bayonet lock 46 and sliding sleeve 44 interlocks, bayonet lock 46 is restricted to and moves along track groove 411,421 again, thereby force upper joint 41 and hypozygal 42 mutual backwards rotation, even handle pipe 1 and front foot pipe 2 are rotated to rear foot tube 3 and folded, the scope of rotation is track groove 411,421 arc length.Track groove 411, an end of 421 are provided with screens, and bayonet lock 26 is stuck in this screens when making perambulator launch.

Offer the bar-shaped trough 441 that wears for locating dowel pin 45 and the mounting groove of installing for recovery spring 51 442 on the described sliding sleeve 44, wear by rivet between sliding sleeve 44 and the rear foot tube 3, rivet passes mounting groove 442; The scope that further restriction sliding sleeve 44 moves is the length of bar-shaped trough 441.Position corresponding to bayonet lock 46 on the sliding sleeve limit base 43 offers type groove 431, and this type groove 431 is parallel with bar-shaped trough 441, and it is mobile in type groove 431 that sliding sleeve 44 drives bayonet lock 46.

The described operating parts 5 that folds comprises: recover spring 51, pulling assembly 52, screens assembly 53 and button assembly 54.Button assembly 54 comprises: button 541 and the button spring 542 that is installed on the button 541, button 541 has the foot of passing rear foot tube, button 541 is installed on the rear foot tube 3 by permanent seat 543, the foot of button 541 passes permanent seat 543 and stretches in the rear foot tube 3, offer the perforation of passing for button spring 542 on the permanent seat 543, a protecting cover 544 is installed outside permanent seat 543.Screens assembly 53 comprises: be installed on spring 532 and card grain 531 in the sliding sleeve 44, the position corresponding to card grain 531 on the rear foot tube wall offers hole clipping, and an end of card grain 531 is positioned in this hole clipping; Button 541 and card grain 531 corresponding installations press the button 541, and sliding sleeve 44 is clamped by the foot of button 541, and button 541 breaks away from rear foot tube wall by button spring 542 push card grains 531, and sliding sleeve 44 can be moved under external force.

Described pulling assembly 52 comprises: handle band 521, pull bar 522, backguy 523 and pulling piece 524, and pull bar 522 is articulated on the permanent seat 543, and handle band 521 crosses the perambulator parking stall and is installed on the pull bar 522, the 521 upwards upsets of pulling pull bar 522 of handle band; Pull bar 522 is connected by backguy 523 with pulling piece 524 and the three between interlock, pulling piece 524 is installed in the mounting hole 443 of sliding sleeve 44, when handle band 521 pulling pull bars 522 upwards overturn, pulling piece 524 moved down simultaneously, drive sliding sleeve 44 moves in rear foot tube 3.

The described joint assembly 4 outer protective cases that are equipped with, this protective case comprises: shell 60 and inner casing 61, handrail 7 is installed on perambulator, handrail 7 crosses Seat of baby's carriage, handrail 7 two ends are installed on the inner casing 61, and on handrail 7 the handrail switch are set, and this handrail switch comprises: handrail button 71 and handrail button spring 72, handrail button 71 inlay cards are in inner casing 61 and be revealed in outside the handrail 7, and handrail button spring 72 is installed on the handrail button 71 and with hypozygal 42 and is connected.

Using method of the present utility model is as follows:

In use, perambulator place deployed condition, front foot pipe 2 remains basically stable with handle pipe 1 or becomes a constant tilt angle.The end that track groove 411,421 is provided with screens intersects, and bayonet lock 46 is due to being total to the intersection point place, and this moment, locating dowel pin 45 was positioned at bar-shaped trough 441 ends of sliding sleeve 44.In addition, button 521 is in initial condition, and card grain 531 inlay cards make sliding sleeve 44 fixing in the hole clipping of rear foot tube 3.When folding, press the button 521, sliding sleeve 44 is clamped by the foot of button 541, break away from hole clipping by button spring 542 push card grains 531 simultaneously, one hand is mentioned handle band 521, the 521 upwards upsets of pulling pull bar 522 of handle band, driving pulling piece 524 drive sliding sleeves 44 simultaneously moves down, it is compressed to recover spring 51 simultaneously, and bayonet lock 46 moves away screens 44 times with sliding sleeve, and under the self-gravity action of front foot pipe 2 and handle pipe 1, make upper joint 41 and hypozygal 42 mutual backwards rotation, front foot pipe 2 and handle pipe 2 are rotated to rear foot tube 3 fold, fold finish after, bayonet lock 46 moves to track groove 411,421 the other end.When launching car, mention handle pipe 1, because bayonet lock 46 is mobile in track groove 411 and track groove 421 simultaneously, when then handle pipe 1 is raised, front foot pipe 3 and handle pipe 1 counter motion, turn to track groove 411 again at bayonet lock 46,421 be provided with an end of screens the time, handle pipe 1 and front foot pipe 3 stop operating, move at the restoring force effect low sleeve 44 that recovers spring 51, bayonet lock 46 is pushed into track groove 411, in 421 the screens, card grain 531 springs in the hole clipping of rear foot tube 3 under the restoring force effect of spring 532 simultaneously, and button 541 also resets, upper joint 41 and hypozygal 42 are stuck, and perambulator launches.

Certainly, the above only is specific embodiment of the utility model, be not to limit the utility model practical range, all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify, and all should be included in the utility model claim.

Claims

1. perambulator that one hand folds, this perambulator comprises: handle pipe (1), front foot pipe (2), front-wheel (21), rear foot tube (3), trailing wheel (31) and joint assembly (4), this joint assembly (4) is with handle pipe (1), front foot pipe (2) and rear foot tube (3) interconnection, it is characterized in that: described joint assembly (4) comprising: upper joint (41), hypozygal (42), sliding sleeve (44), sliding sleeve limit base (43) and fold operating parts (5), upper joint (41) is connected with handle pipe (1), hypozygal (42) is connected with front foot pipe (2), sliding sleeve (44) one ends are inserted embedding and are installed in the sliding sleeve limit base (43), and the other end is sheathed in the rear foot tube (3);

Described upper joint (41), hypozygal (42) and sliding sleeve limit base (43) intussusception mutually are connected and can relatively rotate, go up the sheathed locating dowel pin of one (45) in upper joint (41), hypozygal (42) sliding sleeve (44) and sliding sleeve limit base (43), form opposite track groove (411,421) on upper joint (41) and the hypozygal (42), the track groove has common intersection point between (411,421), is equipped with bayonet lock (46) on track groove (411,421); Bayonet lock (46) is fixed on the sliding sleeve (44);

The described operating parts (5) that folds comprising: be installed on recovery spring (51) in the sliding sleeve (44), pulling assembly (52), make the screens assembly (53) of sliding sleeve (44) relative fixed in rear foot tube (3) and the button assembly (54) of driver card hyte part (53);

Above-mentioned button assembly (54) driver card hyte part (53) breaks away from rear foot tube (3), it is mobile that pulling assembly (52) drives sliding sleeve (44), it is mobile in track groove (411,421) to drive bayonet lock (46) simultaneously, make upper joint (41) and hypozygal (42) backward rotation, realize folding/launching of perambulator.

2. the perambulator that folds of a kind of one hand according to claim 1, it is characterized in that: described upper joint (41) and hypozygal (42) are gone up the track groove (411,421) that arranges and are included two gradual change deep-slotted chip breakers, end in the gradual change deep-slotted chip breaker is provided with screens, and bayonet lock (26) is stuck in this screens when making perambulator launch.

3. the perambulator that folds of a kind of one hand according to claim 1, it is characterized in that: offer on the described sliding sleeve (44) for locating dowel pin (45) and wear and limit the bar-shaped trough (441) of sliding sleeve (44) motion track and the mounting groove of installing for recovery spring (51) (442), wear by rivet between sliding sleeve (44) and the rear foot tube (3), rivet passes mounting groove (442); The position that described sliding sleeve limit base (43) is gone up corresponding to bayonet lock (46) offers type groove (431), and this type groove (431) is parallel with bar-shaped trough (441), and bayonet lock (46) drives in type groove (431) mobile by sliding sleeve (44).

4. the perambulator that folds of a kind of one hand according to claim 1, it is characterized in that: described button assembly (54) comprising: button (541) and be installed on button spring (542) on the button (541), button (541) has and passes rear foot tube and can block the foot of sliding sleeve (44), this screens assembly (53) comprising: be installed on spring (532) and card grain (531) in the sliding sleeve (44), an end of card grain (531) is positioned in the rear foot tube wall; Described button (541) and card grain (531) are corresponding to be installed, and button (541) breaks away from rear foot tube wall by button spring (542) push card grain (531).

5. the perambulator that folds of a kind of one hand according to claim 4, it is characterized in that: described button (541) is installed on the rear foot tube (3) by permanent seat (543), the foot of button (541) passes permanent seat (543) and stretches in the rear foot tube (3), offer the perforation of passing for button spring (542) on the permanent seat (543), a protecting cover (544) is installed outside permanent seat (543).

6. the perambulator that folds of a kind of one hand according to claim 1, it is characterized in that: described pulling assembly (52) comprising: handle band (521), pull bar (522), backguy (523) and pulling piece (524), pull bar (522) is articulated on the permanent seat (543), handle band (521) crosses the perambulator parking stall and is installed on the pull bar (522), and handle band (521) pulling pull bar (522) is upset upwards; Pull bar (522) is connected by backguy (523) with pulling piece (524) and the three between interlock, pulling piece (524) is installed on that drive sliding sleeve (44) moves in the mounting hole (443) of sliding sleeve (44).

7. the perambulator that folds of a kind of one hand according to claim 1, it is characterized in that: the outer protective case that is equipped with of described joint assembly (4), this protective case comprises: shell (60) and inner casing (61), one handrail (7) is installed on the protective case, handrail (7) crosses Seat of baby's carriage, handrail (7) two ends are installed on the inner casing (61), on handrail (7), the handrail switch is set, this handrail switch comprises: handrail button (71) and handrail button spring (72), handrail button (71) inlay card is in inner casing (61) and be revealed in outside the handrail (7), and handrail button spring (72) is installed on handrail button (71) and goes up and be connected with hypozygal (42).

8. the perambulator that folds of a kind of one hand according to claim 1 is characterized in that: fixing by rivet (8) between upper joint (41) and handle pipe (1), hypozygal (42) and front foot pipe (2).