CN204161421U - Quickly foldable baby carriage - Google Patents

Abstract

The utility model discloses a baby carriage capable of being folded quickly, which comprises a bottom pipe group, a rear leaning pipe group and a wheel group arranged on the bottom pipe group, wherein the bottom pipe group comprises two groups of bottom pipes distributed on two sides, the rear leaning pipe group comprises two groups of rear leaning pipes distributed on two sides, wherein the bottom pipe and the rear leaning pipe on the same side form a side frame component, a rotary folding mechanism is arranged between the bottom pipe and the rear leaning pipe, a transverse folding mechanism is arranged between the two groups of side frame components, the transverse folding mechanism is a deformation folding mechanism based on parallelogram, the longitudinal turning folding and the transverse folding are linked through a second sliding pair, the utility model not only realizes the longitudinal turning folding and the transverse folding of the baby carriage, so that the folded baby carriage occupies small space and is convenient to store, but also realizes the synchronous linkage of the longitudinal turning folding and the transverse folding, the folding is convenient and quick to fold, and the use is very convenient, the practicability is strong.

Description

Quickly foldable baby carriage

technical field

The utility model relates to a baby carriage, in particular to a rapidly foldable baby carriage.

Background technique

Stroller is a tool cart designed for the convenience of baby's outdoor activities. It is the baby's favorite means of transportation for walking, and it is also a must-have for mothers when they take their baby to the street for shopping. The stroller needs to be folded and stored to save storage space and be easy to carry. However, the current baby carriages can only be flipped and folded or folded horizontally, and the folded horizontal or vertical occupied space is still relatively large, making storage inconvenient.

Contents of the invention

In order to overcome the deficiencies of the prior art, the utility model provides a quickly foldable baby carriage, which can be folded horizontally and vertically at the same time, takes up little space after being folded, and is convenient for storage.

The technical scheme that the utility model solves its technical problem adopts is:

A rapidly collapsible stroller, comprising a bottom tube set, a back tube set and a wheel set arranged on the bottom tube set, the bottom tube set includes two sets of bottom tubes distributed on both sides, the back tube set The set includes two sets of rear tubes distributed on both sides, wherein the bottom tube and the rear tube on the same side form a side frame assembly, and a rotating and folding mechanism is arranged between the bottom tube and the rear tube, and the side frames of the two groups A horizontal folding mechanism is arranged between the components, and the rotating folding mechanism is linked with the horizontal folding mechanism.

The rotating and folding mechanism includes a first turning pair, through which the rear leaning tube is hinged to the bottom tube, and a sliding tube is provided on the first turning pair, and a first sliding tube capable of reciprocating sliding is arranged on the sliding tube. The sliding pair is provided with a second rotating pair on the first sliding pair, and the side frame assembly is also equipped with an upper connecting rod. One end of the upper connecting rod is hinged to the rear pipe, and the other end is arranged on the second rotating pair Above, the rear pipe and the bottom pipe can be folded or opened through the first rotating pair, and the upper connecting rod drives the first sliding pair to slide back and forth on the sliding pipe;

The horizontal folding mechanism is a deformation and folding mechanism based on a parallelogram, and the two sides of the deformation and folding mechanism are respectively provided with an upper connection point and a lower connection point, the lower connection point is hinged to the bottom pipe, and the upper connection point is hinged to the On the first sliding pair, when the first sliding pair slides reciprocally along the slide tube, it drives the upper connection point to move, thereby driving the deformation and folding mechanism to perform telescopic and folding actions.

The first sliding pair includes a sliding sleeve capable of being sleeved on the sliding tube, and a locking device is arranged on the sliding sleeve.

The locking device includes a positioning block with one end pivotally connected to the inner side of the sliding sleeve, the other end of the positioning block is provided with a limiting protrusion, the sliding tube is provided with a limiting hole corresponding to the limiting protrusion, and the positioning A control rope is connected to the block, pulling or loosening the control rope can drive the position-limiting protrusion to break away from or buckle into the position-limiting hole.

The two sets of backrest tubes are also provided with a locking tube set, the locking tube set includes two sets of locking tubes respectively hinged to the two sets of backing tubes, the two sets of locking tubes are A locking device capable of locking the positions of the two sets of locking tubes is arranged between them.

The locking device includes a housing, a button disposed in the housing, and a return spring disposed between the button and the housing. The ends of the two sets of locking tubes are hinged to the housing. The locking The end of the position tube is provided with a limit boss, and the button is provided with a card corresponding to the limit boss. When the button is pressed, the card will break away from the limit boss, and the two sets of locking tubes can be freely turn.

The side frame assembly is also equipped with a lower connecting rod. One end of the lower connecting rod is hinged on the bottom tube, and the other end is arranged on the second rotating pair. An auxiliary transverse The folding mechanism, the auxiliary horizontal folding mechanism is an auxiliary deformation folding mechanism based on a parallelogram, and the two sides of the auxiliary deformation folding mechanism are respectively provided with a first connection point and a second connection point, and the first connection point is hinged to the bottom On the connecting rod, the second connecting point is set on the bottom pipe through a second sliding pair.

The second sliding pair includes a slider, the bottom tube is provided with a slide groove, and the slider is provided with a slide rail corresponding to the slide groove.

The hinges of the upper connection point, the lower connection point, the first connection point and the second connection point are provided with rotating connectors.

Both the deformation and folding mechanism and the auxiliary deformation and folding mechanism are parallelogram structures composed of four connecting rods hinged to each other.

The beneficial effect of the utility model is: a rapidly foldable stroller, comprising a bottom tube group, a rear tube group and a wheel set arranged on the bottom tube group, the bottom tube group includes two groups of wheels distributed on both sides Bottom tube, the rear tube set includes two sets of rear tubes distributed on both sides, wherein the bottom tube and the rear tube on the same side form a side frame assembly, and a rotating device is arranged between the bottom tube and the rear tube Folding mechanism, a horizontal folding mechanism is arranged between the side frame components of the two groups, the horizontal folding mechanism is a deformation folding mechanism based on a parallelogram, and the rear support tube and the bottom tube can be folded through the first rotating pair Or open and drive the first sliding pair to slide back and forth on the slide tube through the upper connecting rod. The connection point of the deformation folding mechanism is arranged on the first sliding pair. When the first sliding pair slides outward along the sliding tube, the upper The connecting point moves outward to drive the deformation and folding mechanism to perform shrinking action, realizing the horizontal folding of the stroller, and the vertical folding and horizontal folding of the flip are linked, so that the vertical folding and horizontal folding of the flip are carried out synchronously, the folding is convenient and fast, and after folding, it takes up Small space, convenient storage.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is one of structural representations when the utility model is deployed;

Fig. 2 is the second structural diagram when the utility model is deployed;

Fig. 3 is the third structural diagram when the utility model is deployed;

Fig. 4 is a structural schematic diagram of the utility model when it is folded;

Fig. 5 is an exploded schematic view of the locking device of the present invention;

Fig. 6 is an exploded schematic view of the locking device of the present invention.

Detailed ways

Referring to Fig. 1 to Fig. 6, Fig. 1 to Fig. 6 are structural schematic diagrams of a specific embodiment of the present invention. As shown in the figure, a baby carriage that can be quickly folded includes a bottom pipe group, a rear pipe group and a The wheel set on the bottom tube set, the bottom tube set includes two sets of bottom tubes 1 distributed on both sides, and the back tube set includes two sets of back tubes 2 distributed on both sides, wherein the bottom tubes on the same side 1 and the backrest tube 2 form a side frame assembly, a rotating folding mechanism is provided between the bottom tube 1 and the backrest pipe 2, and a horizontal folding mechanism is provided between the side frame assemblies of the two groups;

As shown in the figure, the rotating and folding mechanism includes a first rotating pair 91 through which the rear pipe 2 is hinged to the bottom tube 1 , preferably, the bottom tube 1 is connected through a connecting arm 62 Connected to the first rotating pair 91, the first rotating pair 91 is provided with a sliding tube 3, the sliding tube 3 is provided with a first sliding pair capable of reciprocating sliding, and a second rotating pair is arranged on the first sliding pair 92. The side frame assembly is also equipped with an upper connecting rod 31, one end of the upper connecting rod 31 is hinged to the rear pipe 2, and the other end is arranged on the second rotating pair 92, and the rear pipe 2 is connected to the bottom pipe 1 The first rotating pair 91 can be folded or opened, and the upper connecting rod 31 drives the first sliding pair to slide back and forth on the sliding pipe 3, and the first sliding pair includes a sliding sleeve that can be sleeved on the sliding pipe 3 81, the second rotating pair 92 is arranged on the sliding sleeve 81, preferably, the sliding sleeve 81 is provided with a locking device, and the locking device includes a positioning block 811 with one end pivotally connected to the inner side of the sliding sleeve 81, The other end of the positioning block 811 is provided with a position-limiting protrusion 812, and the sliding tube 3 is provided with a position-limiting hole 813 corresponding to the position-limiting protrusion 812. A control rope 814 is connected to the positioning block 811. By pulling or Loosen the control rope 814 to quickly drive the limit protrusion 812 to break away from or buckle into the limit hole 813. When the locking device is locked, the sliding sleeve 81 cannot slide, thereby limiting the connection between the rear pipe 2 and the bottom. The relative rotation of the tube 1 prevents the stroller from being rotated and folded. When the locking device is released, the sliding sleeve 81 can slide freely, and the rear tube 2 and the bottom tube 1 can be folded or unfolded by relative rotation to realize the rotation of the stroller.

Of course, the use of pull cord 814 to drive the locking mechanism is only a preferred embodiment of the present invention. In the specific implementation process, locking mechanisms such as pinball locking and button locking can also be used. This type of locking mechanism is in the field. The more common ones are not described in detail here.

As shown in the figure, the horizontal folding mechanism is a deformed folding mechanism 4 based on a parallelogram, and the two sides of the deformed folding mechanism 4 are respectively provided with an upper connection point 41 and a lower connection point 42, and the lower connection point 42 is hinged to the bottom. On the tube 1, the upper connecting point 41 is hinged to the first sliding pair. When the first sliding pair slides reciprocally along the sliding tube 3, it drives the upper connecting point 41 to move, thereby driving the deformation and folding mechanism 4 for telescopic and folding The baby carriage can be folded or unfolded horizontally.

Further, as shown in the figure, the side frame assembly is also equipped with a lower connecting rod 32, one end of which is hinged on the bottom pipe 1, and the other end is arranged on the second rotating pair 92, the two groups An auxiliary lateral folding mechanism is also provided between the side frame components, and the auxiliary lateral folding mechanism is an auxiliary deformation folding mechanism 5 based on a parallelogram, and the first connection point 51 and The second connection point 52, the first connection point 51 is hinged to the lower connecting rod 32, the second connection point 52 is set on the bottom tube 1 through a second sliding pair, and the second sliding pair includes a slider 82, the bottom pipe 1 is provided with a chute 821, and the slider 82 is provided with a slide rail corresponding to the chute 821, when the second rotating pair 92 slides with the sliding sleeve 81, the lower connecting rod 32 is driven to rotate , the first connection point 51 moves with the lower connecting rod 32, thereby driving the auxiliary deformation and folding mechanism 5 to perform telescopic and folding actions, and driving the auxiliary deformation and folding mechanism 5 and the deformation and folding mechanism 4 to act synchronously, so as to realize the horizontal folding or unfolding of the stroller. Based on the deformation and folding mechanism 4 , the structural strength between the two groups of side frame assemblies can be further strengthened by the auxiliary deformation and folding mechanism 5 .

As shown in the figure, the two sets of backrest tubes 2 are also provided with a locking tube set, which includes two sets of locking tubes 21 respectively hinged to the two sets of backrest tubes 2. A locking device 20 capable of locking the positions of the two sets of locking tubes 21 is arranged between the two groups of locking tubes 21. The locking device 20 includes a housing 22 and a button 23 arranged in the housing 22. And the return spring 26 arranged between the button 23 and the housing 22, the ends of the two sets of locking tubes 21 are hinged to the housing 22, and the ends of the locking tubes 21 are provided with a limiting boss 24 , the button 23 is provided with a card position 25 corresponding to the limit boss 24. When the button 23 is pressed, the card position 25 is separated from the limit boss 24, and the two sets of locking tubes 21 can rotate freely. Of course, the locking device 20 can also adopt locking mechanisms such as limit column locking and pinball locking, which are commonly used in this field and will not be described in detail here.

Preferably, in this embodiment, the hinges of the upper connection point 41, the lower connection point 42, the first connection point 51 and the second connection point 52 are provided with a rotating connection piece 43; the deformation and folding mechanism 4 and The auxiliary deformation and folding mechanism 5 is a parallelogram structure composed of four connecting rods hinged to each other. Of course, in the specific implementation process, multiple sets of connecting rods can also be used to form a deformable telescopic structure with two or more parallelograms. The deformable telescopic structure is a commonly used connecting rod structure in the mechanical field, and its telescopic principle will not be described in detail here.

Preferably, as shown in the figure, a fastener 61 is provided on the bottom tube 1 , and when the utility model is folded, the fastener 61 can be fastened on the backrest tube 2 to prevent the stroller from unfolding accidentally.

When it needs to be folded, the operator first opens the locking device and the upper locking device 20 respectively through the pull cord 814 and the button 23, then presses down and then leans on the tube 2, then turns the tube 2 to the bottom tube 1 and folds longitudinally, and at the same time drives the sliding sleeve 81 Sliding outwards along the slide tube 3 drives the upper connection point 41 to move outwards to drive the deformation and folding mechanism 4 to perform shrinking action, and at the same time the first connection point 51 moves with the lower connecting rod 32 to drive the auxiliary deformation and folding mechanism 5 to perform the contraction action , drive the auxiliary deformation folding mechanism 5 and the deformation folding mechanism 4 to act synchronously to realize the horizontal folding of the baby carriage. Longitudinal flipping and horizontal folding make the folded stroller take up less space and are convenient to store, and also realize the synchronous linkage of vertical flipping and horizontal folding, which is convenient and quick to fold, very convenient to use, and strong in practicability.

In this embodiment and the accompanying drawings, the rotating pair and the sliding pair involved are relatively commonly used mechanical structures in the mechanical field, and will not be described in detail here.

The preferred implementation of the present utility model has been specifically described above. Of course, the present utility model can also adopt forms different from the above-mentioned embodiments, and those skilled in the art can make equivalent transformations or modifications without violating the spirit of the present invention. Corresponding changes should all belong to the protection scope of the present utility model.

Claims (10)

1. A quickly foldable stroller, characterized in that it includes a bottom tube group, a rear tube group and a wheel set arranged on the bottom tube group, and the bottom tube group includes two groups of bottom tubes distributed on both sides (1), the rear tube set includes two sets of rear tubes (2) distributed on both sides, wherein the bottom tube (1) and the rear tube (2) on the same side form a side frame assembly, and the bottom A rotary folding mechanism is provided between the tube (1) and the backrest tube (2), and a horizontal folding mechanism is provided between the side frame components of the two groups, and the rotary folding mechanism is linked with the horizontal folding mechanism. 2. A rapidly collapsible stroller according to claim 1, characterized in that: the rotating and folding mechanism includes a first rotating pair (91), and the rear support tube (2) passes through the first rotating pair (91) is hinged with the bottom pipe (1). The first rotating pair (91) is provided with a sliding pipe (3). The sliding pipe (3) is provided with a first sliding pair capable of reciprocating sliding. A second rotating pair (92) is provided on the sliding pair, and the side frame assembly is also equipped with an upper connecting rod (31). One end of the upper connecting rod (31) is hinged to the rear pipe (2), and the other end is set On the second rotating pair (92), the rear pipe (2) and the bottom pipe (1) can be folded or opened through the first rotating pair (91) and drive the first slide through the upper connecting rod (31) The pair slides back and forth on the slide tube (3); The horizontal folding mechanism is a deformed folding mechanism (4) based on a parallelogram, and an upper connecting point (41) and a lower connecting point (42) are respectively arranged on both sides of the deformed folding mechanism (4), and the lower connecting point ( 42) Hinged to the bottom tube (1), the upper connection point (41) is hinged to the first sliding pair, when the first sliding pair slides back and forth along the sliding tube (3), it drives the upper connection point (41) to move Thus, the deformation and folding mechanism (4) is driven to perform telescopic and folding actions. 3. A rapidly collapsible stroller according to claim 2, characterized in that: the first sliding pair includes a sliding sleeve (81) that can be sleeved on the sliding tube (3), and the sliding sleeve ( 81) is provided with a locking device. 4. A rapidly collapsible stroller according to claim 3, characterized in that: the locking device includes a positioning block (811) with one end pivotally connected to the inner side of the sliding sleeve (81), and the positioning block (811 ) The other end is provided with a limiting protrusion (812), the sliding tube (3) is provided with a limiting hole (813) corresponding to the limiting protrusion (812), and the positioning block (811) is connected with a The control rope (814), pulling or loosening the control rope (814) can drive the limiting protrusion (812) to break away from or buckle into the limiting hole (813). 5. A quickly foldable stroller according to claim 2, characterized in that: said two sets of rear support tubes (2) are also provided with a lock position tube set, the lock position tube set includes two The two groups are respectively hinged to the locking tubes (21) on the two sets of backrest tubes (2), and the two sets of locking tubes (21) are arranged between the two sets of locking tubes (21). Locking device (20). 6. A rapidly collapsible stroller according to claim 5, characterized in that: the locking device (20) comprises a housing (22), a button (23) arranged in the housing (22) ) and the return spring (26) arranged between the button (23) and the casing (22), the ends of the two sets of locking tubes (21) are hinged to the casing (22), and the locking The end of the position tube (21) is provided with a limit boss (24), and the button (23) is provided with a card position (25) corresponding to the limit boss (24). When the button (23) is pressed, The locking position (25) disengages from the limiting boss (24), and the two sets of locking tubes (21) can rotate freely. 7. A quickly foldable stroller according to claim 2, characterized in that: the side frame assembly is also equipped with a lower connecting rod (32), and one end of the lower connecting rod (32) is hinged to the bottom tube (1), the other end of which is set on the second rotating pair (92), and an auxiliary lateral folding mechanism is provided between the side frame assemblies of the two groups, and the auxiliary lateral folding mechanism is based on a parallelogram Auxiliary deformation and folding mechanism (5), the first connection point (51) and the second connection point (52) are respectively arranged on both sides of the auxiliary deformation and folding mechanism (5), and the first connection point (51) is hinged to the lower connection point On the rod (32), the second connection point (52) is set on the bottom pipe (1) through a second sliding pair. 8. The quickly foldable stroller according to claim 7, characterized in that: the second sliding pair includes a slider (82), and the bottom tube (1) is provided with a chute (821) , the slide block (82) is provided with a slide rail corresponding to the slide groove (821). 9. A quickly foldable stroller according to claim 7, characterized in that: the upper connection point (41), the lower connection point (42), the first connection point (51) and the second connection point (52) is provided with a rotating connector (43) at the hinge. 10. A rapidly collapsible stroller according to claim 7, characterized in that: the deformation and folding mechanism (4) and the auxiliary deformation and folding mechanism (5) are parallelograms composed of four connecting rods hinged to each other structure.