WO2019242048A1

WO2019242048A1 - Baby stroller frame capable of being automatically folded

Info

Publication number: WO2019242048A1
Application number: PCT/CN2018/094789
Authority: WO
Inventors: 杨顺萍
Original assignee: 中山市金亮儿童用品有限公司
Priority date: 2018-06-22
Filing date: 2018-07-06
Publication date: 2019-12-26
Also published as: CN108860280A; NL2023365A; CN108860280B; WO2019242778A1; NL2023365B1

Abstract

A baby stroller frame capable of being automatically folded, comprising a front foot bar (11), a rear foot bar (21), a handlebar set (3) and an elastic member (7), the handlebar set (3) comprising a lower handlebar tube (31) and an upper handlebar tube (32) rotatably provided at an upper end of the lower handlebar tube (31); the lower handlebar tube (31) is provided with a sliding member (4) capable of sliding along the axial direction thereof, a locking assembly (5) for locking or unlocking the sliding member (4) being provided between the lower handlebar tube (31) and the sliding member (4), a lower end of the lower handlebar tube (31) is hinged to the middle of the rear foot bar (21), a transmission member (6) being hinged between the sliding member (4) and the upper part of the rear foot bar (21), an upper end of the front foot bar (11) is hinged to a lower end of the transmission member (6) and/or an upper end of the rear foot bar (21), and the elastic member (7) is provided between the front foot bar (11) and the rear foot bar (21). When folding the stroller, the front foot bar (11) and the rear foot bar (21) automatically get close to each other by means of elastic pulling of the elastic member (7) while the transmission member (6) drives the sliding member (4) to slide downward along the axial direction of the lower handlebar tube (31), so as to drive the lower handlebar tube (31) to get close towards the direction of the rear foot bar (21), thereby completing the folding of the whole baby stroller frame, being very quick and convenient.

Description

Baby carriage frame capable of automatically receiving car

[Technical Field]

The invention relates to the field of baby carriages, in particular to a baby carriage frame capable of automatically receiving a car.

【Background technique】

A stroller is a tool cart designed to facilitate children's outdoor activities, which greatly reduces the burden of people carrying children when they go out. In order to facilitate carrying and transportation, existing strollers can generally be folded to reduce the occupation of space. However, most of the conventional baby carriages need to be collected manually, and the operation of collecting the children's cars is quite cumbersome.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide a stroller frame that can automatically retract the vehicle to make the operation of retracting the vehicle faster and more convenient.

The object of the present invention is achieved as follows:

A stroller frame capable of automatically receiving a car includes:

A front foot group including a front foot bar;

A rear foot group, which includes a rear foot bar;

A handlebar group, which includes a lower handlebar tube and a U-shaped upper handlebar tube rotatably provided on the upper end of the lower handlebar tube, and the lower handlebar tube is provided with a slide that can slide along its axial direction. A locking component is provided between the lower handlebar tube and the slider for locking or unlocking the slider to be fixed on the lower handlebar or may be along the axial direction of the lower handlebar tube Sliding, the lower end of the lower handlebar tube is hinged to the middle of the rear foot bar, a transmission member is hinged between the slide member and the upper part of the rear foot bar, and the upper end of the front foot bar and the lower end of the transmission member and The upper end of the rear foot bar is hinged;

An elastic member provided between the front foot bar and the rear foot bar so that the front foot bar and the rear foot bar are automatically pulled by the elastic member when the stroller frame is retracted Move closer to complete the automatic car collection.

The present invention adopts the above structure. When the upper handle tube is turned relative to the lower handle tube, the lock assembly unlocks the slider, and the front foot bar and the rear foot bar are automatically brought close together by the elasticity of the elastic member. At the same time, the transmission member drives the slide member along the lower hand handle The axis slides down to drive the lower hand to move the tube closer to the rear foot bar, and then completes the carriage of the stroller frame, which is very fast and convenient.

The baby carriage frame capable of automatically retracting as described above further includes a seat frame group, the front portion of the seat frame group is hinged with the middle portion of the front foot bar, and the rear end of the seat frame group is connected with the The lower end of the lower handle is hinged, the front end of the elastic member is fixed to the front of the seat frame group, and the elastic member acts between the front of the seat frame group and the rear foot rod. When the car is retracted, the front foot rod and the rear foot rod At the same time of automatic closing, the seat frame group will also be rotated forward.

The baby carriage frame capable of automatically retracting as described above further includes a backrest group including a U-shaped backrest rod, a lower end of the lower handlebar tube and a middle portion of the rear foot rod. A connecting base is hinged between the ends, the end of the backrest rod is hinged with the connecting base, and the rear end of the elastic member is fixed on the connecting base or directly on the rear foot bar. During the car, the front foot bar and the rear foot bar are brought together automatically, and the connecting seat and the backrest bar are driven to follow the lower handle bar toward the rear foot bar.

As described above, a stroller frame capable of automatically retracting a vehicle, the lock assembly includes a lock pin provided in the lower handlebar tube and a lock hole provided on the slider, and the lock pin can pass through the lock pin. The lower handle grips the tube elastically in the lock hole. When the locking component is locked, the lower handle locks the lock pin in the tube into the lock hole of the slider, so that the slider cannot slide relative to the lower handle tube. The stroller frame cannot be folded from the unfolded state to the collapsed state, which can prevent the stroller frame from folding suddenly when in use, which can cause injury to children; when the locking component is in the unlocked state, the lock pin is released from the lock hole, and the slider can Sliding along the final axial direction of the lower handle tube, the stroller frame can be folded from the unfolded state to the collapsed state. In addition, the lock assembly of the present invention has a simple structure and reliable operation.

As described above, a stroller frame capable of automatically retracting a vehicle is provided with a rotating seat between the lower handlebar tube and the upper handlebar tube, and a pull rope is provided between the rotating seat and the lock pin. When you need to fold the stroller frame, you only need to turn the upper handle tube to fold it relative to the lower handle tube. At this time, the rotation base rotates at the same time, which drives the rope to move, and then the lock pin is released from the lock hole. In the unlocked state, the stroller frame can be automatically folded from the unfolded state to the collapsed state smoothly. When the stroller frame needs to be unfolded, first unfold the other parts of the stroller frame in turn, and then turn the upper handle tube in the opposite direction, and the rotating seat rotates at the same time. The frame is locked when the frame is unfolded.

As described above, a stroller frame capable of automatically retracting a car is provided with an unlocking member on the upper handlebar tube for unlocking or locking the upper handlebar tube so that it can be rotated or fixed relative to the lower handlebar tube, When the stroller frame needs to be folded, it is only necessary to operate the unlocking member to unlock the upper handle tube and rotate it to fold it relative to the lower handle tube to achieve automatic retraction. When the stroller frame is unfolded, the unlocking member locks the upper handle tube It cannot rotate relative to the lower handle.

As described above, in an embodiment of a stroller frame capable of automatically retracting, the upper end of the front foot bar, the lower end of the transmission member, and the upper end of the rear foot bar are coaxially hinged.

According to another embodiment of the baby carriage frame that can be retracted as described above, the upper end of the front foot bar is hinged with the upper end of the rear foot bar but not the lower end of the transmission member.

As described in another embodiment of the baby carriage frame capable of being retracted as described above, the upper end of the front foot bar is hinged with the lower end of the transmission member and is not hinged with the upper end of the rear foot bar.

As described above, a stroller frame capable of automatically retracting the vehicle, the elastic member is a spring or a rubber band to provide elastic pulling force when retracting the vehicle and automatically close the front foot bar and the rear foot bar to complete the automatic car retracting.

[Brief Description of the Drawings]

The specific embodiments of the present invention will be further described in detail with reference to the accompanying drawings, in which:

FIG. 1 is one of the structural diagrams when the present invention is deployed;

FIG. 2 is the second structural diagram when the present invention is deployed; FIG.

FIG. 3 is a structural diagram at the time of collecting a car according to the present invention; FIG.

FIG. 4 is a structural diagram after the car is closed according to the present invention; FIG.

5 is a cross-sectional view of a locking assembly according to the present invention in a locked state;

6 is a cross-sectional view of a locking assembly according to the present invention in an unlocked state;

FIG. 7 is a schematic diagram of a structure in which the upper end of the front foot bar, the lower end of the transmission member, and the upper end of the rear foot bar are coaxially hinged;

FIG. 8 is a schematic diagram of a structure in which the upper end of the front foot bar and the upper end of the rear foot bar are hinged without being hinged with the lower end of the transmission member;

FIG. 9 is a schematic diagram of a structure in which the upper end of the front foot bar and the lower end of the transmission member are hinged, but not the upper end of the rear foot bar.

【detailed description】

As shown in FIG. 1 to FIG. 7, a first embodiment of a stroller frame capable of automatically receiving a car according to the present invention includes:

Forefoot group 1, the forefoot group 1 includes a forefoot rod 11;

Rear foot group 2, the rear foot group 2 includes a rear foot bar 21;

The handlebar group 3 includes a lower handlebar tube 31 and a U-shaped upper handlebar tube 32 rotatably provided on the upper end of the lower handlebar tube 31. The lower handlebar tube 31 is provided with a slide that can slide along its axial direction. Piece 4, a locking assembly 5 is provided between the lower handle tube 31 and the sliding member 4 for locking or unlocking the slider 4 to be fixed on the lower handle tube 31 or can be slid along the axial direction of the lower handle tube 31 The lower end of the lower handle tube 31 is hinged to the middle of the rear foot bar 21, and the transmission member 6 is hinged between the sliding member 4 and the upper portion of the rear foot bar 21, as shown in FIG. 7, the upper end of the front foot bar 11, the lower end of the transmission member 6 and The three upper ends of the rear foot bar 21 are coaxially hinged;

The elastic member 7 uses a spring or a rubber band. The elastic member 7 is provided between the front foot bar 11 and the rear foot bar 21 so that the front foot bar 11 and the rear foot bar 21 are elastically pulled by the elastic member 7 when the stroller frame is retracted. The lower part automatically closes to complete the automatic retracting. When the upper handle tube 32 is rotated relative to the lower handle tube 31, the lock assembly 5 unlocks the slider 4 and the lower front foot rod 11 and the rear foot rod 21 are automatically brought close by the elasticity of the elastic member 7. The transmission member 6 drives the sliding member 4 to slide down along the axial direction of the lower handle tube 31 so as to drive the lower handle tube 31 closer to the direction of the rear foot rod 21, and then completes the carriage of the stroller frame, which is very fast and convenient;

The seat frame group 8, the front portion of the seat frame group 8 is hinged to the middle of the front foot bar 11, the rear end of the seat frame group 8 is hinged to the lower end of the lower handle tube 31, and the front end of the elastic member 7 is fixed to the seat frame group 8 In the front part, the elastic member 7 acts between the front part of the seat frame group 8 and the rear foot rod 21. When the car is retracted, the front foot rod 11 and the rear foot rod 21 are automatically brought close together, and the seat frame group 8 is also rotated forward and close to the front foot rod 11;

The backrest group 9 includes a U-shaped backrest rod 91. A connection seat 33 is hinged between the lower end of the lower handlebar 31 and the middle of the rear foot rod 21. The end of the backrest rod 91 and the connection seat 33 are hinged. The rear end of the elastic member 7 is fixed on the connecting seat 33, of course, the rear end of the elastic member 7 can also be directly fixed on the rear foot bar 21. When the car is retracted, the front foot bar 11 and the rear foot bar 21 are automatically closed. At the same time, the connecting seat 33 and the backrest rod 91 are driven to follow the lower handle tube 31 toward the rear foot rod 21 to move closer together.

The lock assembly 5 includes a lock pin 51 provided in the lower handle tube 31 and a lock hole 52 provided in the slider 4. The lock pin 51 can pass through the lower handle tube 31 and elastically engage in the lock hole 52. When the lock assembly 5 In the locked state, the locking pin 51 in the tube 31 is locked into the locking hole 52 located in the slider 4 so that the slider 4 cannot slide relative to the tube 31 in the lower hand. At this time, the stroller frame cannot be folded from the unfolded state to the retracted state. The closed state can prevent the stroller frame from folding suddenly during use, which can cause injury to children. When the lock assembly 5 is in the unlocked state, the lock pin 51 is disengaged from the lock hole 52, and the slider 4 can move the tube 31 along the lower hand. It finally slides axially, at this time the stroller frame can be folded from the unfolded state to the collapsed state. In addition, the lock assembly 5 of the present invention has a simple structure and reliable operation.

A turning seat 34 is provided between the lower handle pipe 31 and the upper handle pipe 32, and a pull rope (not shown) is provided between the turning seat 34 and the lock pin 51. When the stroller frame needs to be folded, only the upper hand needs to be rotated The tube 32 is turned relative to the lower hand to turn the tube 31. At this time, the rotation base 34 is rotated at the same time, thereby driving the pull rope to move, so that the lock pin 51 is released from the lock hole 52. At this time, the lock assembly 5 is in an unlocked state, which can be smoothly The baby carriage frame is automatically folded from the unfolded state to the collapsed state. When it is necessary to unfold the stroller frame, first unfold the other parts of the stroller frame in turn, and then turn the upper handle tube 32 in the opposite direction, and the turning seat 34 rotates at the same time. The lock pin 51 is reset by the elastic force and inserted into the lock hole 52, so that The lock assembly 5 is in a locked state when the stroller frame is unfolded.

The upper handle tube 32 is provided with an unlocking member 10 for unlocking or locking the upper handle tube 32 so that it can be rotated or fixed relative to the lower handle tube 31. When the stroller frame needs to be folded, only the unlocking member 10 needs to be operated to make the upper handle handle The tube 32 is unlocked and operated to fold the tube 31 relative to the lower handle tube 31 to automatically retract the vehicle. When the stroller frame is deployed, the unlocking member 10 locks the upper handle tube 32 so that it cannot rotate relative to the lower handle tube 32.

As shown in FIG. 8, another embodiment of the present invention differs from the above structure only in that the upper end of the front foot lever 11, the lower end of the transmission member 6 and the upper end of the rear foot lever 21 are not three-axis coaxially hinged, but a front foot lever. The upper end of 11 is hinged to the upper end of the rear foot bar 21 and is not hinged to the lower end of the transmission member 6. Although the connection relationship between the front foot bar 11, the transmission member 6, and the rear foot bar 21 is slightly different from the first embodiment of the present invention, it can also achieve all the technical effects of the first embodiment of the present invention.

As shown in FIG. 9, another embodiment of the present invention differs from the above structure only in that the upper end of the front foot lever 11, the lower end of the transmission member 6 and the upper end of the rear foot lever 21 are not three-axis coaxially hinged, but a front foot lever The upper end of 11 is hinged to the lower end of the transmission member 6 and is not hinged to the upper end of the rear foot bar 21. Although the connection relationship between the front foot bar 11, the transmission member 6, and the rear foot bar 21 is slightly different from the first embodiment of the present invention, it can also achieve all the technical effects of the first embodiment of the present invention.

When the present invention is used, the stroller frame is extended to the state shown in FIG. 1 or FIG. 2 (the deployment operation still needs to be performed manually). When the car needs to be retracted, only the unlocking member 10 needs to be operated so that the upper hand unlocks the tube 32 and operates the same. Relative to the lower hand, the tube 31 is turned and folded. At this time, the rotation base 34 is rotated at the same time, thereby driving the rope to move, so that the lock pin 51 is released from the lock hole 52. At this time, the lock assembly 5 is in an unlocked state, as shown in FIG. The elastic member 7 elastically pulls the lower front foot rod 11 and the rear foot rod 21 to automatically close together, and the seat frame group 8 will also rotate forward and close at the same time, and the transmission member 6 drives the slider 4 to slide down along the axial direction of the lower handle tube 31. Therefore, the lower hand tube 31 is driven closer to the rear foot bar 21 and the connecting seat 33 and the backrest rod 91 are driven to follow the lower hand tube 31 toward the rear foot bar 21, thereby completing the entire carriage of the stroller frame, which is very fast. And convenient. As shown in Fig. 4, the frame of the stroller after the car can be used as a support point for the front casters and rear casters to make the vehicle frame stand vertically, so that the frame of the stroller after the car can be placed upright when it is stored separately. There is no need to lay it flat, which saves floor space.

The above detailed description is only a description of a preferred embodiment of the present invention, and is not intended to limit the scope of the patent of the present invention. Therefore, any equivalent technical changes made using the content and illustrations of this creation are included in this creation. Within the scope of the patent.

Claims

A stroller frame capable of automatically retracting a vehicle, which is characterized by comprising:

A front foot group (1), which includes a front foot bar (11);

Rear foot group (2), the rear foot group (2) includes a rear foot bar (21);

A handle group (3), the handle group (3) includes a lower handle tube (31) and a U-shaped upper handle tube (32) rotatably provided on the upper end of the lower handle tube (31). The lower handle tube (31) is provided with a sliding member (4) that can slide along its axial direction, and a locking component (5) is provided between the lower handle tube (31) and the sliding member (4) for use. For locking or unlocking the sliding member (4), the lower end of the lower handlebar tube (31) is hinged to the middle of the rear foot lever (21), and the sliding member (4) and the rear foot lever (21) A transmission member (6) is hinged between the upper parts, and an upper end of the front foot lever (11) is hinged with a lower end of the transmission member (6) and / or an upper end of the rear foot lever (21);

An elastic member (7), the elastic member (7) is provided between the front foot bar (11) and the rear foot bar (21) so that when the stroller frame is retracted, the front foot bar (11) And the rear foot lever (21) automatically closes under the elastic pulling of the elastic member (7) to complete the automatic retracting.
The baby carriage frame capable of being retracted automatically according to claim 1, further comprising a seat frame group (8), a front part of the seat frame group (8) and a front foot bar (11) The middle part is hinged, the rear end of the seat frame group (8) is hinged with the lower end of the lower handle tube (31), and the front end of the elastic member (7) is fixed to the seat frame group (8). Front part.
The baby carriage frame capable of being retracted automatically according to claim 2, further comprising a backrest group (9), the backrest group (9) comprising a U-shaped backrest rod (91), A connection seat (33) is hinged between the lower end of the lower handlebar tube (31) and the middle part of the rear foot bar (21), and the end portion of the backrest rod (91) is opposite to the connection seat (33). The rear end of the elastic member (7) is hingedly fixed on the connecting seat (33) or directly fixed on the rear foot bar (21).
The baby carriage frame capable of being retracted automatically according to any one of claims 1 to 3, wherein the lock assembly (5) includes a lock pin (51) provided in the lower handle tube (31). ) And a lock hole (52) provided on the sliding member (4), the lock pin (51) can pass through the lower handle tube (31) and elastically snap into the lock hole (52).
The baby carriage frame capable of being retracted automatically according to claim 4, characterized in that a turning seat (34) is provided between the lower handlebar tube (31) and the upper handlebar tube (32), and A pull rope is provided between the rotating seat (34) and the lock pin (51).
The baby carriage frame capable of being retracted automatically according to claim 5, characterized in that an unlocking member (10) is provided on the upper handle pipe (32) for unlocking or locking the upper handle pipe (32) ) So that it can be rotated or fixed relative to the lower handle tube (31).
The baby carriage frame capable of being retracted automatically according to claim 1, characterized in that the upper end of the front foot bar (11), the lower end of the transmission member (6) and the upper end of the rear foot bar (21) The three are coaxially hinged.
The baby carriage frame capable of being retracted automatically according to claim 1, characterized in that the upper end of the front foot bar (11) is hinged with the upper end of the rear foot bar (21) without being connected to the transmission member ( 6) The lower ends are hinged.
The baby carriage frame capable of being retracted automatically according to claim 1, characterized in that the upper end of the front foot bar (11) is hinged with the lower end of the transmission member (6) without being connected to the rear foot bar ( 21) The upper ends are hinged.
The baby carriage frame capable of being retracted automatically according to any one of claims 1, 2, 3, 5, 6, 7, 8, and 9, characterized in that the elastic member (7) is a spring or a rubber band .