CN103010280A

CN103010280A - Baby stroller

Info

Publication number: CN103010280A
Application number: CN2012105913498A
Authority: CN
Inventors: 李照国
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2012-12-28
Filing date: 2012-12-31
Publication date: 2013-04-03
Also published as: CN203032734U

Abstract

A stroller for children, comprising a foldable vehicle frame, a locking device for locking the vehicle frame when unfolded, a wheel assembly arranged at the bottom of the vehicle frame, the vehicle frame includes a push rod, and a front Wheel bracket, the rear wheel bracket and the seat post that are rotatably connected with the front wheel bracket or the push rod at the upper part, the front part of the seat post is rotatably connected with the front wheel bracket, the rear wheel bracket is slidably provided with a sliding part, the seat post The rear part is rotatably connected to the slider, and a rear strut is arranged between the slider and the push rod. The upper part of the rear strut is rotatably connected to the push rod and the lower part is rotatably connected to the slider. The locking device is arranged on the rear wheel between the bracket and the slider. When the stroller needs to be folded, unlock the locking device with one hand, so that the slider can slide relative to the rear wheel bracket, and the push rod, seat post, and rear strut rotate relative to the rear wheel bracket under the action of gravity, and together with the front wheel bracket, they move relative to the rear wheel Stand folds away.

Description

Children trolley

Technical field

The present invention relates to a kind of perambulator, particularly a kind of children trolley.

Background technology

In the prior art, children trolley generally comprises folding vehicle frame, is arranged at the wheel assembly of bottom of frame, locks by a blocking device when go-cart vehicle frame launches.The go-cart vehicle frame is made of a plurality of rod members, the connection that rotates between the rod member, blocking device is arranged on two and rotates between the rod member that connects, when folding stand usually, need on the other hand blocking device to be kept release, another hand rotates a certain rod member (generally being push rod) vehicle frame folding is drawn in.And in actual use, especially in the situations such as stair activity, the adult need to take the child of go-cart the inside on the other hand in one's arms, can only vacate a hand and operate the folding of go-cart, and this often so that go-cart is difficult to successfully fold, brings inconvenience to use.

Summary of the invention

But the technical problem to be solved in the present invention provides a kind of children trolley of one-hand fold.

For solving the problems of the technologies described above, first aspect present invention provides a kind of children trolley, comprise folding vehicle frame, for the blocking device that vehicle frame is locked upon deployment, be arranged at the wheel assembly of bottom of frame, vehicle frame comprises push rod, the front-wheel support that top and push rod rotate and be connected, the rear wheel support that top and front-wheel support or push rod rotate and be connected, the seat bar, the front portion of seat bar rotates with front-wheel support and is connected, be mounted slidably sliding part on the rear wheel support, the rear portion of seat bar rotates with this sliding part and is connected, between sliding part and push rod, be provided with a rear pole, the top of this rear pole and push rod rotate and are connected the bottom and rotate with sliding part and be connected, and blocking device is arranged between rear wheel support and the sliding part.When needing Folding trolley, singlehanded with the blocking device release, so that relatively rear wheel support slip of sliding part, push rod, seat bar, rear pole rotate relative to rear wheel support under Action of Gravity Field, together with folding gathering the in of the relative rear wheel support of front-wheel support.

A kind of preferred embodiment in, the top of rear wheel support can be connected with push rod is coaxial with the top of front-wheel support.

A kind of preferred embodiment in, blocking device comprise the block that is installed on the rear wheel support, rotationally be arranged at latch hook on the block, be formed at the fixture block on the sliding part and be arranged at solution lock assembly on the block, when blocking device is in the lock state, latch hook catches on fixture block, when blocking device was in released state, latch hook broke away from fixture block.Rotate relative to block by release unit control latch hook, thereby make latch hook discharge fixture block, sliding part just can move relative to rear wheel support.

In a kind of preferred embodiment, between latch hook and block, be provided with the second elastic component, be used for applying application force to latch hook and make it have the trend of moving towards the position of catching on fixture block.

In a kind of preferred embodiment, separate lock assembly and comprise the unlock piece that is arranged at rotationally on the block, the operating parts that is used for the rotation of tractive unlock piece that is connected with this unlock piece, operating parts has the outside of partly exposing at block at least, at least at blocking device during from lock-out state to the released state conversion, unlock piece props up latch hook and rotates with the control latch hook.Can arrange certain space in the block, to accommodate unlock piece and latch hook, only operating parts be exposed outside block, like this, neither affect unlocking operation, tong in the time of preventing from operating again.

In a kind of further preferred embodiment, latch hook parallels relative to the rotating shaft that block rotates with unlock piece relative to the rotating shaft that block rotates, so that can arrange in compact mode latch hook and unlock piece.

In a kind of further preferred embodiment, be provided with between unlock piece and the block for the first elastic component that applies reset force to unlock piece.

In a kind of further preferred embodiment, operating parts is for carrying band.

Second aspect present invention provides a kind of children trolley, comprise folding vehicle frame, be used for the blocking device that vehicle frame is locked upon deployment, the wheel assembly that is arranged at bottom of frame, vehicle frame comprises that the rotate front-wheel support, top and the front-wheel support co-rotation that are connected of push rod, top and push rod is connected in rear wheel support, the seat bar of push rod, the front portion of seat bar rotates with front-wheel support and is connected, be mounted slidably sliding part on the rear wheel support, the rear portion of seat bar rotates with this sliding part and is connected.Be provided with a rear pole between sliding part and push rod, the top of this rear pole and push rod rotate and are connected the bottom and rotate with sliding part and be connected.Blocking device is arranged on rear wheel support, front-wheel support and the push rod three.When vehicle frame normally launches, by blocking device rear wheel support, front-wheel support and push rod three are locked relatively, so that whole vehicle frame is also locked, when needing folding stand, with the blocking device release, push rod rotates relative to rear wheel support under action of gravitation, drives the relative rear wheel support of sliding part by rear pole and slides, and car load is folding to be drawn in so that the relative rear wheel support of the seat related front-wheel support of bar turns to.

Third aspect present invention provides a kind of children trolley, comprise folding vehicle frame, for the blocking device that vehicle frame is locked upon deployment, be arranged at the wheel assembly of bottom of frame, vehicle frame comprises push rod, front-wheel support, rear wheel support, the seat bar, the front portion of seat bar rotates with front-wheel support and is connected, the rear portion of seat bar rotates with rear wheel support and is connected, be mounted slidably sliding part on the rear wheel support, the top of front-wheel support rotates with this sliding part and is connected, the bottom of push rod rotates with this sliding part and is connected, between rear wheel support and push rod, be provided with a rear pole, the top of this rear pole and push rod rotate and are connected the bottom and rotate with rear wheel support and be connected, and blocking device is arranged between rear wheel support and the sliding part.When vehicle frame normally launches, by blocking device the relative rear wheel support of sliding part is located, thereby with the car load locking, when needing Folding trolley, with the blocking device release, so that relatively rear wheel support slip of sliding part, push rod namely rotates relative to rear wheel support under Action of Gravity Field, by the traction of sliding part, so that front-wheel support also rotates relative to rear wheel support, simultaneously, rear pole rotates relative to rear wheel support together with seat bar also inconjunction with, until whole vehicle frame folding draws in.

Further, the rear portion of seat bar, the bottom of rear pole can coaxially be connected in rear wheel support.

Scope of the present invention is not limited to the technical scheme that the particular combinations of above-mentioned technical characterictic forms, and also should contain simultaneously by above-mentioned technical characterictic or its equivalent feature to carry out combination in any and other technical scheme of forming.The technical characterictic that has a similar functions such as disclosed among above-mentioned feature and the application (but being not limited to) is replaced mutually and technical scheme of forming etc.

Because technique scheme is used, the present invention compared with prior art has following advantages: as long as singlehanded with the blocking device release, vehicle frame just can draw in by auto-folder, makes things convenient for adult's one manual manipulation car another hand to hold a baby in one's arms during folding stand.

Description of drawings

Accompanying drawing 1 is for being in the structural representation of deployed condition according to the go-cart vehicle frame of the first embodiment of the present invention;

Accompanying drawing 2 is that vehicle frame shown in Figure 1 is in the structural representation in the folding process;

Accompanying drawing 3 is in the block diagram of folded state for vehicle frame shown in Figure 1;

Accompanying drawing 4 is for amplifying the schematic diagram that shows that the blocking device on the vehicle frame shown in Figure 1 is in the lock state;

Accompanying drawing 5 is in the schematic diagram of released state for amplifying the blocking device that shows on the vehicle frame shown in Figure 1;

Accompanying drawing 6 is in the structural representation of deployed condition for go-cart vehicle frame according to a second embodiment of the present invention;

Accompanying drawing 7 is in the structural representation of deployed condition for the go-cart vehicle frame of a third embodiment in accordance with the invention;

Accompanying drawing 8 is in the structural representation of deployed condition for the go-cart vehicle frame of a fourth embodiment in accordance with the invention.

Wherein: 1, push rod; 2, rear pole; 3, rear wheel support; 4, seat bar; 5, front-wheel support; 6, sliding part; 61, fixture block; 7, block; 8, carry band; 9, latch hook; 10, unlock piece; 11, the first elastic component; 12, the second elastic component.

The specific embodiment

Below in conjunction with accompanying drawing several preferred embodiments according to the present invention are described in detail.

?

Embodiment 1

Shown in Fig. 1-3, the body frame structure for automotive of reflection children trolley among the figure, the go-cart among this embodiment comprises folding vehicle frame, is used for the blocking device that vehicle frame is locked upon deployment and the wheel assembly that is arranged at bottom of frame.

Among the embodiment shown in Figure 1, vehicle frame mainly comprises rear wheel support 3, the seat bar 4 that rotates push rod 1, top and push rod 1 front-wheel support 5 that is connected, top and front-wheel support 5 rotate and be connected, the bottom of front-wheel support 5 arranges front-wheel, the bottom of rear wheel support 3 arranges trailing wheel, the front portion of seat bar 4 rotates with front-wheel support 5 and is connected, the rear portion of seat bar 4 is connected to a sliding part 6 rotationally, and this sliding part 6 is arranged on the rear wheel support 3 and can slides along the body of rod of rear wheel support 3.Sliding part 6 is preferably a sliding sleeve, is set on the rear wheel support 3.

Be provided with a rear pole 2 between sliding part 6 and push rod 1, the top of this rear pole 2 and push rod 1 rotate and are connected the bottom and rotate with sliding part 6 and be connected, and blocking device is arranged between rear wheel support 3 and the sliding part 6.

See shown in Fig. 4-5, blocking device comprise the block 7 that is installed on the rear wheel support 3, rotationally be arranged at latch hook 9 on the block 7, be formed at the fixture block 61 on the sliding part 6 and be arranged at solution lock assembly on the block 7, when blocking device is in the lock state, latch hook 9 catches on fixture block 61, as shown in Figure 4; When blocking device was in released state, latch hook 9 broke away from fixture block 61, as shown in Figure 5.

Separate lock assembly and comprise the unlock piece 10 that is arranged at rotationally on the block 7, the operating parts that is used for 10 rotations of tractive unlock piece that is connected with this unlock piece 10, operating parts has the outside of partly exposing at block 7 at least, at least at blocking device during from lock-out state to the released state conversion, unlock piece 10 props up latch hook 9 and rotates with control latch hook 9.In the present embodiment, operating parts preferably adopts to carry and is with 8.Latch hook 9 preferably parallels relative to the rotating shaft that block 7 rotates with unlock piece 10 relative to the rotating shaft that block 7 rotates, so that can arrange compactly latch hook 9 and unlock piece 10.

See the preferred embodiment shown in Fig. 4-5, between unlock piece 10 and block 7, be provided with for the first elastic component 11 that applies reset force to unlock piece 10, between latch hook 9 and block 7, be provided with the second elastic component 12, be used for applying application force to latch hook 9 and make it have the trend of moving towards the position of catching on fixture block 61.

Vehicle frame shown in Figure 1 is in deployed condition, and under this state, blocking device should be in the lock state, as shown in Figure 4.When needing Folding trolley, the operator carries and is with 8, be with 8 drawing unlock piece 10 rotations so that carry, unlock piece 10 props up latch hook 9 makes latch hook 9 rotate relative to block 7, when latch hook 9 breaks away from fixture block 61, the blocking device release, as shown in Figure 5, sliding part 6 can slide by relative rear wheel support 3, at this moment, push rod 1 can rotate relative to rear wheel support 3 under Action of Gravity Field, as shown in Figure 2, rear pole 2 is being done rotating relative to rear wheel support 3 with seat bar 4 together with sliding part 6 when rear wheel support 3 slides, simultaneously, front-wheel support 5 also rotates relative to rear wheel support 3 together, until finally each parts collapses to final state relatively, as shown in Figure 3, vehicle frame folding is finished.In whole folding process, the operator is as long as one hand 8 can make operation finish while carrying, and after folding finishing, the operator can continue while carrying, so that go-cart is carried in hand.

When needing to launch go-cart, the operator can upwards lift push rod 1, make it rotate and launch relative to front-wheel support 5, under the traction of push rod 1, rear pole 2 can slide at rear wheel support 3 with sliding part 6 when rotating, seat bar 4 rotates in the following sliding edge of the tractive of sliding part 6, rear wheel support 3 and front-wheel support 5 also relatively rotate to final vehicle frame and launch, when vehicle frame is expanded to state shown in Figure 1, because the reset force that the second elastomeric element 12 applies, latch hook 9 meeting automatic rotatings are to the position of catching on the fixture block 61 on the sliding part 6, and unlock piece 10 also can be owing to the application force of the first elastomeric element 11 is cancelled application force to latch hook 9, perhaps, the application force that applies of 10 pairs of latch hooks 9 of unlock piece is weaker than the application force that 12 pairs of latch hooks 9 of the second elastomeric element apply.In general, when blocking device was in the lock state, position and block 7 that latch hook 9 catches on fixture block 61 should divide the both sides that are in fixture block 61, and the general knowledge that this is known to those skilled in the art no longer describes in detail at this.

Embodiment 2

This embodiment is with reference to shown in Figure 6, the key distinction of the vehicle frame of introducing among the vehicle frame of the go-cart shown in the figure and the embodiment 1 is the position that the rear portion relative sliding spare 6 of the bottom of rear pole 2 and the bar of being connected 4 is connected, among the embodiment 1 shown in Fig. 1-3, the coaxial sliding part 6 that is connected in rear portion of the bottom of rear pole 2, seat bar 4, and in the present embodiment shown in Figure 6, rear portion and the sliding part 6 of the bottom of rear pole 2, seat bar 4 be coaxial the connection not.Basic identical according to what introduce among the folding mode of the go-cart of the present embodiment and expansion mode and the embodiment 1, structural principle is also basic identical, thereby does not repeat them here.

Embodiment

3 and 4

Embodiment

3 and 4 is respectively with reference to shown in Fig. 7 and 8, the main body of the vehicle frame of the go-cart shown in the figure and

embodiment

1 and 2 are basic identical, on rear wheel support 3, can arrange the sliding part (not shown), the rear portion of the bottom of rear pole 2, seat bar 4 can be as (embodiment 3) shown in Figure 7 the coaxial sliding part that is connected in, can as (embodiment 4) shown in Figure 8, coaxially not be rotationally connected with respectively sliding part yet.That among these two embodiment, the top co-rotation of the top of the bottom of push rod 1, front-wheel support 5, rear wheel support 3 connects with upper two embodiment differences.In these two kinds of embodiment, blocking device still can be arranged between sliding part and the rear wheel support 3 as embodiment 1 introduces, also can be arranged on rear wheel support 3, front-wheel support 5 and push rod 1 three.

If blocking device is arranged on rear wheel support 3, front-wheel support 5 and the push rod 1, so, the operator with the blocking device release after, push rod 1 rotates gathering relative to rear wheel support 3 respectively with front-wheel support 5 under Action of Gravity Field, sliding part can pushed away along rear wheel support 3 slips by rear pole 2 and seat bar 4, until final vehicle frame folding is finished.This blocking device and operating mode thereof are familiar with by those skilled in the art, therefore, do not adopt accompanying drawing to introduce in detail at this.

Embodiment

5 and 6

Embodiment

5 and 6 also can be with reference to shown in Fig. 7 and 8, the several embodiment that consist of the main element of the go-cart vehicle frame among these two embodiment and introduce previously are also basic identical, in these two embodiment, the relatively sliding part (not shown) of rear wheel support 3 slips also is set on the rear wheel support 3, difference is, the bottom co-rotation of the top of front-wheel support 5 and push rod 1 is connected in this sliding part, the blocking device of between sliding part and rear wheel support 3, introducing among the arrangement embodiment 1, or other can reach the blocking device of same effect, here so-called same effect comprises that at least one hand can realize release.The rear portion of the bottom of rear pole 2, seat bar 4 as shown in Figure 7 co-rotation is connected in rear wheel support 3(embodiment 5), can coaxially not be rotationally connected with as shown in Figure 8 rear wheel support 3(embodiment 6) yet.

Also basic identical according to what introduce among the folding principle of the go-cart of this two embodiment and operating mode and the embodiment 1, those skilled in the art are according to the introduction of

embodiment

1 and 2, diagram in conjunction with Fig. 1-6, can the designed, designed blocking device etc. unshowned parts among Fig. 7-8, therefore do not adopt accompanying drawing to introduce in detail.

As mentioned above, we are illustrated according to aim of the present invention fully, but the present invention is not limited to above-described embodiment and implementation method.The practitioner of correlative technology field can carry out different variations and enforcement in the scope of technological thought license of the present invention.

Claims

1. A stroller for children, comprising a foldable frame, a locking device for locking the frame when unfolded, a wheel assembly arranged at the bottom of the frame, and the frame includes a push rod (1) , the front wheel bracket (5) whose upper part is rotatably connected to the push rod (1), the rear wheel bracket (3) whose upper part is rotatably connected to the front wheel bracket (5) or the push rod (1), and the seat post (4 ), the front part of the seatpost (4) is rotatably connected to the front wheel bracket (5), and it is characterized in that: a slider (6) is slidably arranged on the rear wheel bracket (3), and the seat The rear part of the rod (4) is rotatably connected with the slider (6), and a rear strut (2) is arranged between the slider (6) and the push rod (1), and the upper part of the rear strut (2) It is rotatably connected with the push rod (1) and the lower part is rotatably connected with the slider (6), and the locking device is arranged between the rear wheel bracket (3) and the slider (6).

2. The stroller for children according to claim 1, characterized in that: the upper part of the rear wheel bracket (3) is coaxially connected with the upper part of the front wheel bracket (5) and the push rod (1).

3. The children's stroller according to claim 1 or 2, characterized in that: the locking device includes a stopper (7) mounted on the rear wheel bracket (3), rotatably arranged on the stopper The lock hook (9) on (7), the block (61) formed on the slider (6) and the unlocking part arranged on the block (7), when the locking device is in the locked state, the lock hook (9) Hook the clamping block (61), and when the locking device is in an unlocked state, the lock hook (9) is disengaged from the clamping block (61).

4. The children's stroller according to claim 3, characterized in that: a second elastic member (12) is provided between the lock hook (9) and the stopper (7), for applying force to the lock hook (9). The force makes it move towards the position where it catches the block (61).

5. The children's stroller according to claim 3, characterized in that: the unlocking part includes an unlocking piece (10) rotatably arranged on the stopper (7), an unlocking piece (10) connected with the The operating part used to pull the unlocking part (10) to rotate, at least part of the operating part is exposed outside the block (7), at least when the locking device changes from the locked state to the unlocked state, the unlocking part (10 ) against the lock hook (9) to control the rotation of the lock hook (9).

6. The stroller according to claim 5, characterized in that: the rotation axis of the locking hook (9) relative to the stopper (7) is parallel to the rotation axis of the unlocking member (10) relative to the stopper (7) .

7. The children's stroller according to claim 5, characterized in that: a first elastic member ( 11).

8. The stroller for children according to claim 5, characterized in that: the operating part is a carrying strap (8).

9. A stroller for children, comprising a foldable frame, a locking device for locking the frame when unfolded, a wheel assembly arranged at the bottom of the frame, and the frame includes a push rod (1) , the front wheel support (5) whose upper part is rotatably connected to the push rod (1), the upper part and the front wheel support (5) that are coaxially rotatable and connected to the rear wheel support (3) of the push rod (1), and the seat post ( 4), the front part of the seat post (4) is rotatably connected to the front wheel bracket (5), and the feature is that a sliding member (6) is slidably arranged on the rear wheel bracket (3), and the The rear part of the seatpost (4) is rotatably connected with the sliding part (6), and a rear strut (2) is arranged between the sliding part (6) and the push rod (1), and the rear strut (2) The upper part is rotatably connected with the push rod (1) and the lower part is rotatably connected with the slider (6), and the locking device is set on the rear wheel bracket (3), the front wheel bracket (5) and the push rod (1) .

10. A stroller for children, comprising a foldable frame, a locking device for locking the frame when unfolded, a wheel assembly arranged at the bottom of the frame, and the frame includes a push rod (1) , front wheel bracket (5), rear wheel bracket (3), seat post (4), the front part of the seat post (4) is rotatably connected with the front wheel bracket (5), and the seat post (4) The rear part is rotatably connected with the rear wheel bracket (3), and it is characterized in that a slider (6) is slidably arranged on the rear wheel bracket (3), and the upper part of the front wheel bracket (5) is connected to the sliding The part (6) is rotatably connected, the lower part of the push rod (1) is rotatably connected with the sliding part (6), and a rear support rod (2) is arranged between the rear wheel bracket (3) and the push rod (1) ), the upper part of the rear strut (2) is rotatably connected with the push rod (1) and the lower part is rotatably connected with the rear wheel bracket (3), and the locking device is arranged on the rear wheel bracket (3) and the slider (6 )between.

11. The stroller for children according to claim 10, characterized in that: the rear part of the seat post (4) and the lower part of the rear strut (2) are coaxially connected to the rear wheel bracket (3).