CN211442450U

CN211442450U - Foldable support and baby carriage frame with same

Info

Publication number: CN211442450U
Application number: CN201921174417.4U
Authority: CN
Inventors: 江方明
Original assignee: Kunshan Aiguo Children's Products Co ltd
Current assignee: Kunshan Aiguo Children's Products Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-09-08
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a foldable bracket and a baby carriage frame with the same, wherein the bracket comprises a front foot, a rear foot, a first connecting rod and a second connecting rod, the first connecting rod and the rear foot are crosswise pivoted through a first pivot, the upper end of the second connecting rod is pivoted at the rear end of the front foot through a second pivot, and the lower end of the second connecting rod is pivoted at the lower end of the first connecting rod; the preceding foot is still through a third pivot pin joint in the back foot, first pivot, second pivot and third pivot are the pivots of different positions, perambulator frame includes support, one push away barre, third connecting rod, first connecting rod upper end and third connecting rod upper end pin joint respectively in the different positions of pushing away barre, and third connecting rod lower extreme pin joint in the back foot upper end, thereby it forms a four-bar structure to push away barre, third connecting rod, first connecting rod and back foot, the utility model discloses support and perambulator frame so set up for it is smooth and easy in each subassembly linkage of folding in-process, and the operation is not hard, and folding back material is long-pending little moreover.

Description

Foldable support and baby carriage frame with same

Technical Field

The utility model relates to an infant product field especially relates to a folding support and be equipped with perambulator frame of this support.

Background

The baby carriage can be used for a child to sit or/and lie, and the parent can go to the baby carriage for walking, so that the burden of holding the child by the parent can be relieved, and the child has more activity space. A stroller generally includes a frame that is convertible between an unfolded state and a folded state, a locking mechanism disposed on the frame for locking the frame in the unfolded state, and front and rear wheels disposed on front and rear lower portions of the frame, respectively.

When the baby stroller is in an unfolded state, the stroller frame cannot be folded under the action of the locking mechanism, the front wheels and the rear wheels are supported on the ground, the stroller frame is stably locked in the unfolded state, and a child can walk in the stroller when sitting or lying in the stroller; when the stroller is not required to be used, the locking mechanism is unlocked and the frame is then folded.

The frame structure of different perambulator is also different, and frame structure makes each subassembly linkage of frame in folding process very unsmooth a bit to it is harder when folding, and the frame volume after folding is also bigger moreover, and to general demand, it is folding back the volume of timber is the littleer better, more conveniently carries like this, deposits.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned shortcoming, provide a smooth and easy and folding back volume of timber support and be equipped with the perambulator frame of this support of each subassembly linkage when folding.

In order to achieve the above object, the utility model adopts the following technical scheme:

a foldable support comprises a front leg, a rear leg, a first connecting rod and a second connecting rod, wherein the first connecting rod and the rear leg are in cross pivot joint through a first pivot, the upper end of the second connecting rod is in pivot joint with the rear end of the front leg through a second pivot, and the lower end of the second connecting rod is in pivot joint with the lower end of the first connecting rod; the front foot is also pivoted to the rear foot through a third pivot, and the first pivot, the second pivot and the third pivot are pivots at different positions.

The third pivot is located in front of the first pivot and the second pivot.

The lower end of the front foot is connected with a front wheel, and the lower end of the rear foot is connected with a rear wheel.

A baby carriage frame can be converted between an unfolded state and a folded state, and comprises the support, a push handle rod and a third connecting rod, wherein the upper end of the first connecting rod and the upper end of the third connecting rod are respectively pivoted at different positions of the push handle rod, and the lower end of the third connecting rod is pivoted at a rear foot, so that the push handle rod, the third connecting rod, the first connecting rod and the rear foot form a four-connecting-rod structure; the front foot is pivoted with the third connecting rod through the third pivot; or the front foot is pivoted with the lower end of the third connecting rod and the rear foot through the third pivot.

The upper end of the first connecting rod is pivoted to the lower end of the push handle rod through a fourth pivot, the upper end of the third connecting rod is pivoted to the push handle rod through a fifth pivot, and the fifth pivot is located on the upper side of the fourth pivot.

The front foot is pivoted with the lower end of the third connecting rod and the front end of the rear foot through the third pivot.

The front foot comprises a first section and a second section, wherein the first section extends from bottom to top, the second section extends from the upper end of the first section to back, and the upper end of the second connecting rod is pivoted to the rear end of the second section.

The second section is configured as a seat for seating.

The first section or the second section of the front foot is pivoted with the rear foot or/and the third connecting rod through the third pivot. The utility model has the advantages that:

1. the utility model discloses this kind of structure of support for when folding, as long as it is rotatory towards the below back first connecting rod, other subassemblies of support all can the relative rotation be close to, so, each subassembly of folding in-process support links each other very smoothly to folding operation is lighter not hard, and folding back volume of timber is little moreover, thereby conveniently carries, deposits.

2. The utility model discloses baby carriage has increased on the basis of above-mentioned support and has pushed away barre and third connecting rod, and because the first connecting rod, the back foot that push away barre, third connecting rod and support form a four-bar linkage, because four-bar linkage's characteristic, so push away the setting of barre and third connecting rod, can not influence the smooth and easy of each subassembly linkage of support, thereby the utility model discloses baby carriage is whole at folding in-process, and each subassembly also links smoothly to folding operation is lighter easily not hard, and baby carriage wholly receives the receipts in addition, and the volume of timber is also very little, thereby conveniently carries, deposits.

Drawings

Fig. 1 is a schematic plan view of the stroller frame of the present invention in an unfolded state;

fig. 2 is a schematic perspective view of the stroller frame of the present invention in an unfolded state;

fig. 3 is a schematic plan view of the stroller frame of the present invention in a semi-folded state;

fig. 4 is a schematic plan view of the stroller frame of the present invention in a folded state.

Detailed Description

As shown in fig. 1, 2, 3 and 4, the foldable stand of the present invention comprises a front leg 1, a rear leg 2, a first connecting rod 3 and a second connecting rod 4, wherein the first connecting rod 3 and the rear leg 2 are cross-pivoted by a first pivot 21, the upper end of the second connecting rod 4 is pivoted to the rear end of the front leg 1 by a second pivot 41, and the lower end is pivoted to the lower end of the first connecting rod 3; the front leg 1 is further pivoted to the rear leg 2 by a third pivot 22, and the first pivot 21, the second pivot 41 and the third pivot 22 are pivots at different positions.

Preferably, the third pivot 22 is located above the first pivot 21 and the second pivot 41.

The lower end of the front foot 1 is connected with a front wheel 5, and the lower end of the rear foot 2 is connected with a rear wheel 6.

When the support is folded, the first connecting rod 3 is rotated backwards and downwards, so that the front end of the first connecting rod 3 rotates upwards relatively, the rear end of the front foot 1 is driven to rotate upwards, the front lower end of the front foot 1 rotates backwards to lean against the rear foot 2, and the support is folded until the front foot 1, the rear foot 2, the first connecting rod 3 and the second connecting rod 4 rotate relatively to approach. So, each subassembly of folding in-process support links each other very smoothly for folding operation is very light easy not hard, and folding back volume of material is little moreover.

The utility model discloses baby carriage frame can be changed between expanded state and fold condition, and it includes the support, still includes push handle pole 7, third connecting rod 8, the upper end of first connecting rod 3 and the upper end of third connecting rod 8 are pin-jointed in the different positions of push handle pole 7 respectively, and the lower extreme of third connecting rod 8 is pin-jointed in rear foot 2, thus push handle pole 7, third connecting rod 8, first connecting rod 3 and rear foot 2 form a four-bar linkage; the front foot 1 is pivoted with the third connecting rod 8 through the third pivot 22; alternatively, the front leg 1 is pivotally connected to the lower end of the third link 8 and the rear leg 2 via the third pivot 22. That is, when the lower end of the third link 8 is pivoted to the rear leg 2, the front leg 1 may be pivoted to only the rear leg 2 or only the third link 8 by the third pivot 22, or may be pivoted to both the lower end of the third link 8 and the rear leg 2 by the third pivot 22. In this embodiment, preferably, the front leg 1 is pivotally connected to the lower end of the third link 8 and the front end of the rear leg 2 via the third pivot 22, so that the assembly is more convenient, the structure of the stroller frame is more compact, and the stroller frame is more stable when in the unfolded state.

The upper end of the first link 3 is pivotally connected to the lower end of the push handle rod 7 through a fourth pivot 31, the upper end of the third link 8 is pivotally connected to the push handle rod 7 through a fifth pivot 81, and the fifth pivot 81 is located on the upper side of the fourth pivot 31, so that the push handle rod 7, the first link 3, the third link 8 and the rear leg 2 form a four-link structure.

Preferably, the front leg 1 includes a first section 11 extending from bottom to top and a second section 12 extending from the upper end of the first section 11 to back, and the upper end of the second link 4 is pivotally connected to the rear end of the second section 12. In this embodiment, the second segment 12 is pivotally connected to the front end of the rear leg 2 and the lower end of the third link 8 through the third pivot 22. So set up for the frame is whole more compact, and the volume of timber is littleer after folding moreover. In other embodiments, the first segment 11 may be pivotally connected to the rear leg 2 or/and the third link 8.

It is folding the utility model discloses during the perambulator frame, it is rotatory to go forward push away barre 7 and make push away barre 7 down to move and lean on back foot 2 to drive first connecting rod 3, the 8 upper ends of third connecting rod all down swivelling movement and lean on back foot 2, when the 3 upper ends of first connecting rod down swivelling movement, its lower extreme can be up-rotated relatively, thereby can drive 1 rear end of preceding foot is up-rotated, thereby the preceding lower extreme of preceding foot 1 can be back-rotated and lean on back foot 2 (as shown in figure 3), until push away barre 7, first connecting rod 3, second connecting rod 4, third connecting rod 8, preceding foot 1, back foot 2 and be close to each other, the utility model discloses the perambulator frame is folding completely (as shown in figure 4). Because push away barre 7, first connecting rod 3, third connecting rod 8, back foot 2 form into a four-bar linkage, because four-bar linkage's characteristic, so push away barre 7 and third connecting rod 8's setting, can not influence the smooth and easy of each subassembly linkage of support, thereby the utility model discloses a folding operation is light not hard, and whole receipts are closed in addition and are expected to be long-pending also very little.

In this embodiment, it is preferable that the second section 12 is provided as a seat for sitting. Therefore, when the bicycle frame is folded, the seat part is folded together, so that the folding operation is simpler and more convenient.

In the above description of the orientation, the front wheel 5 is located at the front, the rear wheel 6 is located at the rear, the driver is located at the upper position, and the front wheel 5 and the rear wheel 6 are located at the lower position.

Claims

1. A collapsible stand, characterized by: the foldable bicycle comprises a front leg, a rear leg, a first connecting rod and a second connecting rod, wherein the first connecting rod and the rear leg are in cross pivot joint through a first pivot, the upper end of the second connecting rod is in pivot joint with the rear end of the front leg through a second pivot, and the lower end of the second connecting rod is in pivot joint with the lower end of the first connecting rod; the front foot is also pivoted to the rear foot through a third pivot, and the first pivot, the second pivot and the third pivot are pivots at different positions.

2. The collapsible stand as set forth in claim 1 wherein: the third pivot is located in front of the first pivot and the second pivot.

3. The collapsible stand of claim 1 or 2 wherein: the lower end of the front foot is connected with a front wheel, and the lower end of the rear foot is connected with a rear wheel.

4. A baby carriage frame capable of being converted between an unfolded state and a folded state is characterized in that: the support frame of any one of claims 1 to 3, further comprising a push handle rod and a third connecting rod, wherein the upper end of the first connecting rod and the upper end of the third connecting rod are respectively pivoted at different positions of the push handle rod, and the lower end of the third connecting rod is pivoted at the rear foot, so that the push handle rod, the third connecting rod, the first connecting rod and the rear foot form a four-bar linkage structure; the front foot is pivoted with the third connecting rod through the third pivot; or the front foot is pivoted with the lower end of the third connecting rod and the rear foot through the third pivot.

5. A stroller frame according to claim 4, wherein: the upper end of the first connecting rod is pivoted to the lower end of the push handle rod through a fourth pivot, the upper end of the third connecting rod is pivoted to the push handle rod through a fifth pivot, and the fifth pivot is located on the upper side of the fourth pivot.

6. A stroller frame according to claim 5, wherein: the front foot is pivoted with the lower end of the third connecting rod and the front end of the rear foot through the third pivot.

7. A stroller frame according to claim 4, 5 or 6, wherein: the front foot comprises a first section and a second section, wherein the first section extends from bottom to top, the second section extends from the upper end of the first section to back, and the upper end of the second connecting rod is pivoted to the rear end of the second section.

8. A stroller frame according to claim 7, wherein: the second section is configured as a seat for seating.

9. A stroller frame according to claim 7, wherein: the first section or the second section of the front foot is pivoted with the rear foot or/and the third connecting rod through the third pivot.

10. A stroller frame according to claim 8, wherein: the first section or the second section of the front foot is pivoted with the rear foot or/and the third connecting rod through the third pivot.