CN215322809U - Rear wheel support folding mechanism of baby stroller - Google Patents
Rear wheel support folding mechanism of baby stroller Download PDFInfo
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- CN215322809U CN215322809U CN202122028373.8U CN202122028373U CN215322809U CN 215322809 U CN215322809 U CN 215322809U CN 202122028373 U CN202122028373 U CN 202122028373U CN 215322809 U CN215322809 U CN 215322809U
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Abstract
The utility model discloses a rear wheel support furling mechanism of a child stroller, which comprises two rear wheel supports arranged on the left and right, two rear connecting rods respectively arranged at the inner sides of the two rear wheel supports, two cushion connecting rods respectively connected with the bottom ends of the rear connecting rods and a cross brace assembly arranged between the two rear wheel supports, wherein the cross brace assembly has an unfolding state and a folding state; one end of each rear connecting rod, which is connected with the cushion connecting rod, is provided with a rear support stop block; the transverse support assembly comprises a middle support rod, an upper support assembly, an inclined support assembly and a lower support assembly, wherein the upper support assembly, the inclined support assembly and the lower support assembly are sequentially arranged from top to bottom and are in linkage with the middle support rod; the rear support stop block and the upper support stop block are matched for use, pressure is only required to be applied to the rear wheel bracket, and extra force application of feet is not required.
Description
Technical Field
The utility model relates to the technical field of baby strollers, in particular to a rear wheel support folding mechanism of a baby stroller.
Background
At present, the children's shallow or the baby's shallow of using in the market is collapsible structure mostly, expandes during the use and supplies children to take, fold when not using and draw in so that deposit or carry, and current folding bassinet structure is various, and is of a great variety, draws in the time to the rear wheel support, needs earlier to unlock the stull subassembly of rear wheel support, then folds, and the operation degree of difficulty is high, and wastes time and energy.
Referring to the folding mechanism of the rear wheel bracket of the child stroller disclosed in CN201721154151.8, the up-going or down-going motion of the draw bar drives the unlocking of the locking component and the folding of the cross-brace assembly by arranging the middle support rod and the draw bar.
However, the traction rod needs extra force for triggering, so that the standing is very easy to be unstable, the falling result is caused, and the device is very dangerous.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rear wheel bracket folding mechanism of a baby carriage.
In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that: a rear wheel support folding mechanism of a child stroller comprises two rear wheel supports arranged on the left and right sides, two rear connecting rods respectively arranged on the inner sides of the two rear wheel supports, two cushion connecting rods respectively connected with the bottom ends of the rear connecting rods, and a cross brace assembly arranged between the two rear wheel supports, wherein the cross brace assembly has an unfolding state and a folding state;
one end of each rear connecting rod, which is connected with the cushion connecting rod, is provided with a rear support stop block;
the cross support assembly comprises a middle support rod, an upper support assembly, an inclined support assembly and a lower support assembly, wherein the upper support assembly, the inclined support assembly and the lower support assembly are sequentially arranged from top to bottom and are in linkage with the middle support rod, and the inner side of the upper support assembly corresponds to the rear support stop block and is provided with two upper support stop blocks.
Preferably, the upper support assembly comprises two upper connecting rods arranged on the left and right, the outer ends of the two upper connecting rods are respectively rotatably connected to the two rear wheel brackets, and the inner ends of the two upper connecting rods are respectively rotatably connected with the top ends of the middle support rods; the upper supporting stop block is welded on the upper connecting rod.
The inclined support component comprises two sections of inclined connecting rods arranged on the left and right, a folding connecting piece in sliding connection with the middle support rod is sleeved on the middle support rod, and connecting lugs are arranged on two sides of the folding connecting piece; the outer ends of the two sections of inclined connecting rods are respectively and rotatably connected with the two rear wheel brackets, and the inner ends of the two sections of inclined connecting rods are respectively and rotatably connected with the connecting lugs;
the lower supporting assembly comprises two lower connecting rods arranged on the left and right, the outer ends of the two lower connecting rods are respectively and rotatably connected below the two rear wheel supports, and the inner ends of the two lower connecting rods are respectively and rotatably connected with the bottom end of the middle supporting rod.
Preferably, the bottom end of the rear support stop block is provided with a positioning guide curved surface.
Preferably, a positioning plane is arranged on the upper supporting stop block, and the positioning plane is matched with the bottom end of the rear supporting stop block.
Preferably, when the cross brace assembly is in the unfolding state, the bottom end of the rear support stop block presses on the upper surface of the upper support stop block and applies pressure to the upper support stop block and the upper support assembly, and the cross brace assembly is in the bracing state.
Preferably, when the cross brace assembly is in a folded state, the bottom end of the rear connecting rod is turned upwards, the rear connecting rod drives the rear support stop block to turn upwards to stop applying pressure to the upper support stop block and the upper support assembly, and the cross brace assembly is folded and drives the rear wheel support to fold inwards.
Preferably, a guide surface is arranged on one side of the upper supporting stop block, and an included angle is formed between the guide surface and the positioning plane of the upper supporting stop block.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. according to the folding mechanism for the rear wheel bracket of the baby stroller, the rear supporting stop block and the upper supporting stop block are matched for use, pressure is only required to be applied to the rear wheel bracket, and extra force application to feet is not required;
2. the folding action of the cross brace component drives the folding action of the cross brace component through the upper support component, the cross brace component is convenient and quick to fold and very convenient for old people and women to use, and the size of a folded frame is smaller;
3. the utility model has simple structure, more boundary operation method and lower cost, and is suitable for popularization and application.
Drawings
FIG. 1 is a schematic illustration of the cross brace assembly of the present invention in an expanded configuration;
FIG. 2 is a schematic view of the cross brace assembly of the present invention in a collapsed configuration;
FIG. 3 is a schematic view of another embodiment of the cross brace assembly of the present invention;
wherein: 1. a rear wheel support; 2. a rear connecting rod; 3. a cushion link; 4. a rear support block; 5. an upper connecting rod; 6. a middle support rod; 7. an inclined connecting rod; 8. folding the connecting piece; 9. a lower connecting rod; 10. a guide surface; 11. an upper support block.
Detailed Description
The utility model is further described with reference to the following figures and examples:
example 1
Referring to fig. 1, 2 and 3, the rear wheel support folding mechanism of the stroller comprises two rear wheel supports 1 arranged on the left and right sides, two rear connecting rods 2 respectively arranged at the inner sides of the two rear wheel supports 1, two cushion connecting rods 3 respectively connected with the bottom ends of the rear connecting rods 2, and a cross brace assembly arranged between the two rear wheel supports 1, wherein the cross brace assembly has an unfolding state and a folding state; one end of each rear connecting rod 2 connected with the cushion connecting rod 3 is provided with a rear support stop block 4; the cross support assembly comprises a middle support rod 6, an upper support assembly, an inclined support assembly and a lower support assembly, wherein the upper support assembly, the inclined support assembly and the lower support assembly are sequentially arranged from top to bottom and are in linkage with the middle support rod 6, and two upper support check blocks 11 are arranged on the inner side of the upper support assembly corresponding to the rear support check blocks 4.
The upper support component comprises two sections of upper connecting rods 5 arranged on the left and right, the outer ends of the two sections of upper connecting rods 5 are respectively rotatably connected with the two rear wheel brackets 1, and the inner ends of the two sections of upper connecting rods 5 are respectively rotatably connected with the top ends of the middle support rods 6; the inclined support component comprises two sections of inclined connecting rods 7 arranged on the left and right, a folding connecting piece 8 connected with the middle support rod 6 in a sliding manner is sleeved on the middle support rod, and connecting lugs are arranged on two sides of the folding connecting piece 8; the outer ends of the two sections of inclined connecting rods 7 are respectively and rotatably connected with the two rear wheel brackets 1, and the inner ends of the two sections of inclined connecting rods 7 are respectively and rotatably connected with the connecting lugs; the lower supporting assembly comprises two sections of lower connecting rods 9 arranged on the left and right, the outer ends of the two sections of lower connecting rods 9 are respectively and rotatably connected below the two rear wheel brackets 1, and the inner ends of the two sections of lower connecting rods 9 are respectively and rotatably connected with the bottom end of the middle supporting rod 6.
The bottom of back support dog 4 has been seted up the location direction curved surface, is convenient for back support dog 4 is better exerts pressure to last support dog 11.
In one embodiment of the present invention, the rear support block 4 has a large top end and a small bottom end; the top end of the rear support stop block 4 is clamped with the rear connecting rod 2 or connected through a rivet.
In an embodiment of the present invention, a positioning plane is disposed on an upper surface of the upper supporting stop 11, the positioning plane is adapted to a bottom end of the rear supporting stop 4, and the bottom end of the rear supporting stop 4 is clamped into the upper supporting stop 11.
In an embodiment of the present invention, a guide surface 10 is disposed on one side of the upper support stop 11, and the guide surface 10 forms an included angle with a positioning plane of the upper support stop 11, so as to facilitate guiding the rear support stop 4 into the positioning plane of the upper support stop 11.
In one embodiment of the present invention, the guide surface 10 is a metal material.
In an embodiment of the present invention, when the cross brace assembly is in the unfolded state, the bottom end of the rear support block 4 presses on the upper surface of the upper support block 11 and applies pressure to the upper support block 11 and the upper support assembly, and the cross brace assembly is in the tensioned state.
In an embodiment of the present invention, when the cross-brace assembly is in the folded state, the bottom end of the rear connecting rod 2 is turned upwards, the rear connecting rod 2 drives the rear support stop 4 to be turned upwards to stop applying pressure to the upper support stop 11 and the upper support assembly, and the cross-brace assembly is folded and drives the rear wheel support 1 to be folded inwards.
Example 2
A using method of a folding mechanism of a rear wheel bracket of a child stroller comprises a spreading step and a folding step;
the step of expanding comprises:
the bottom of back connecting rod 2 overturns downwards, and the bottom of back support dog 4 is pressed go up the location plane of support dog 11, make go up the supporting component and receive pressure to make the stull subassembly be in the expansion state and drive two rear wheel supports 1 and prop open to both sides.
In contrast, the folding step comprises:
the bottom of back connecting rod 2 upwards overturns, and the bottom of back support dog 4 leaves go up the location plane of support dog 11, no longer continue to exert pressure to last supporting component for connecting rod 5 can inwards contract on two sections, drives connecting rod 9 and oblique connecting rod 7 and inwards contracts down, thereby makes the stull subassembly be in fold condition and drives two rear wheel support 1 and to the side contract.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A rear wheel bracket furling mechanism of a children's barrow, which is characterized in that,
the foldable bicycle comprises two rear wheel supports (1) arranged on the left and right, two rear connecting rods (2) respectively arranged on the inner sides of the two rear wheel supports (1), two cushion connecting rods (3) respectively connected with the bottom ends of the rear connecting rods (2), and a cross brace assembly arranged between the two rear wheel supports (1), wherein the cross brace assembly has an unfolding state and a folding state;
one end of each rear connecting rod (2) connected with the cushion connecting rod (3) is provided with a rear support stop block (4);
the cross support assembly comprises a middle support rod (6) and an upper support assembly, an inclined support assembly and a lower support assembly which are sequentially arranged from top to bottom and are in linkage with the middle support rod (6), wherein the inner side of the upper support assembly corresponds to the rear support stop block (4) and is provided with two upper support stop blocks (11).
2. The folding mechanism for the rear wheel supports of the stroller as claimed in claim 1, wherein the upper support assembly comprises two upper connecting rods (5) disposed at left and right sides, the outer ends of the two upper connecting rods (5) are respectively rotatably connected to the two rear wheel supports (1), and the inner ends of the two upper connecting rods (5) are respectively rotatably connected to the top ends of the middle support rods (6);
the inclined support component comprises two sections of inclined connecting rods (7) arranged on the left and right, a folding connecting piece (8) in sliding connection with the middle support rod (6) is sleeved on the middle support rod, and connecting lugs are arranged on two sides of the folding connecting piece (8); the outer ends of the two sections of inclined connecting rods (7) are respectively and rotatably connected with the two rear wheel brackets (1), and the inner ends of the two sections of inclined connecting rods (7) are respectively and rotatably connected with the connecting lugs;
the lower support assembly comprises two lower connecting rods (9) arranged on the left and right, the outer ends of the two lower connecting rods (9) are respectively rotatably connected below the two rear wheel supports (1), and the inner ends of the two lower connecting rods (9) are respectively rotatably connected with the bottom ends of the middle support rods (6).
3. The folding mechanism for the rear wheel bracket of the stroller as claimed in claim 1, wherein the bottom end of the rear support block (4) is formed with a positioning guide curve.
4. The folding mechanism for the rear wheel bracket of the stroller as claimed in claim 3, wherein the upper supporting block (11) is provided with a positioning plane, and the positioning plane is matched with the bottom end of the rear supporting block (4).
5. A stroller rear wheel carrier collapsing mechanism according to claim 1, wherein the bottom end of the rear support block (4) presses against the upper surface of the upper support block (11) and applies pressure to the upper support block (11) and the upper support member when the cross-brace assembly is in the deployed state, and the cross-brace assembly is in the tensioned state.
6. The folding mechanism for rear wheel support of children's carriage as claimed in claim 1, wherein when said cross brace assembly is in folded state, the bottom end of said rear connecting rod (2) is turned upwards, the rear connecting rod (2) drives the rear support block (4) to turn upwards to stop applying pressure to said upper support block (11) and said upper support assembly, and said cross brace assembly folds and drives said rear wheel support (1) to fold inwards.
7. The folding mechanism for the rear wheel bracket of the stroller as claimed in claim 4, wherein the upper supporting block (11) has a guiding surface (10) formed on one side thereof, and the guiding surface (10) forms an included angle with the positioning plane of the upper supporting block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028373.8U CN215322809U (en) | 2021-08-26 | 2021-08-26 | Rear wheel support folding mechanism of baby stroller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028373.8U CN215322809U (en) | 2021-08-26 | 2021-08-26 | Rear wheel support folding mechanism of baby stroller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215322809U true CN215322809U (en) | 2021-12-28 |
Family
ID=79578179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122028373.8U Active CN215322809U (en) | 2021-08-26 | 2021-08-26 | Rear wheel support folding mechanism of baby stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215322809U (en) |
-
2021
- 2021-08-26 CN CN202122028373.8U patent/CN215322809U/en active Active
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