CN108248665B - Child cart - Google Patents
Child cart Download PDFInfo
- Publication number
- CN108248665B CN108248665B CN201711401512.9A CN201711401512A CN108248665B CN 108248665 B CN108248665 B CN 108248665B CN 201711401512 A CN201711401512 A CN 201711401512A CN 108248665 B CN108248665 B CN 108248665B
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- Prior art keywords
- support
- rod
- bracket
- bar
- supporting
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention relates to a child stroller, which comprises a stroller frame with an unfolding state and a folding state and a locking mechanism, wherein the stroller frame comprises side brackets positioned at two sides of the stroller, each side bracket comprises a push rod, a front bracket with a front wheel assembly arranged at the lower part, a rear bracket with a rear wheel assembly arranged at the lower part, a connecting bracket which is connected and supported between the side brackets at the two sides and can be folded and folded along the left and right directions of the stroller frame, and each side bracket further comprises a first supporting rod, a second supporting rod and a connecting rod; the upper parts of the first supporting rod and the second supporting rod are respectively and rotatably connected with the push rod, the lower part of the first supporting rod is respectively and rotatably connected with the front bracket and the rear bracket, the lower part of the second supporting rod is rotatably connected with the rear bracket, and the connecting rod is rotatably connected between the upper part of the front bracket and the upper part of the rear bracket; the folding frame has the advantages that the components of the folding frame are better in fit, the gaps among the components are smaller, the volume is small after the folding frame is folded, the frame can stand up, and the carrying and the storage are convenient.
Description
Technical Field
The invention relates to a child stroller.
Background
At present, the children's shallow among the prior art, including having the shallow frame of expansion position and folding position, set up front wheel subassembly and rear wheel subassembly in shallow frame bottom, be used for locking mechanical system in the shallow frame under the expansion state, can detachably grafting the seat pocket subassembly on the shallow frame. In order to facilitate the packaging, transportation and storage of the baby carriage, the baby carriage is generally foldable, a plurality of the carriages can be folded in the front-back direction, the folded volume is larger, and in order to further reduce the folded volume of the carriage, part of the carriages can be folded in the front-back direction and the left-right direction of the carriage; the child umbrella handle vehicle with the awning in the prior art has larger volume after being folded, and is inconvenient to store and carry. Therefore, the design of the baby stroller which is convenient to operate, low in cost and small in size after being folded and can be conveniently folded is a target pursued by designers.
Disclosure of Invention
The invention aims to provide a child cart with smaller volume after being folded.
In order to solve the technical problems, the invention adopts a technical scheme that:
the baby stroller comprises a stroller frame with an unfolding state and a folding state, and a locking mechanism for locking the stroller frame in the unfolding state, wherein the stroller frame comprises side brackets positioned at two sides of the stroller, each side bracket comprises a push rod, a front bracket with a front wheel assembly arranged at the lower part, a rear bracket with a rear wheel assembly arranged at the lower part, a connecting bracket which is connected and supported between the side brackets at the two sides and can be folded along the left and right directions of the stroller frame, and each side bracket further comprises a first stay bar, a second stay bar and a connecting rod;
the upper parts of the first supporting rod and the second supporting rod are respectively connected with the push rod in a rotating way, the lower part of the first supporting rod is respectively connected with the front support and the rear support in a rotating way, the rotating connection part of the first supporting rod and the front support is positioned below the rotating connection part of the first supporting rod and the rear support, the lower part of the second supporting rod is connected with the rear support in a rotating way, the push rod, the first supporting rod, the rear support and the second supporting rod form a four-bar mechanism, the connecting rod is connected between the upper part of the front support and the upper part of the rear support in a rotating way, and the first supporting rod, the front support, the connecting rod and the rear support form the four-bar mechanism.
Preferably, the first stay bar comprises a main bar and a branch bar which are fixedly connected, the upper end part of the main bar is rotationally connected with the push bar, the fixed connection part of the main bar and the branch bar is rotationally connected with the rear bracket, and the lower end part of the branch bar is rotationally connected with the front bracket.
Preferably, when the frame is in the unfolded state, the planes of the struts at the two sides coincide with the planes of the rear brackets at the two sides.
Preferably, the rotation connection part of the second stay bar and the push rod is positioned at the front lower part of the rotation connection part of the first stay bar and the push rod;
the rotary connection part of the front bracket and the first stay bar is positioned at the rear lower part of the rotary connection part of the rear bracket and the first stay bar;
the rotary connection part of the second stay bar and the rear bracket is positioned at the rear lower part of the rotary connection part of the first stay bar and the front bracket;
the rotary connection part of the connecting rod and the rear bracket is positioned at the rear lower part of the rotary connection part of the first stay bar and the front bracket;
the rotary connection part of the connecting rod and the front bracket is positioned at the front lower part of the rotary connection part of the first stay bar and the front bracket;
preferably, the connecting rod, the second stay bar and the rear bracket are coaxially and rotatably connected.
Preferably, the side bracket further comprises a seat bar extending in the front-rear direction, the front portion of the seat bar is rotatably and slidably connected to any one of the lower portion of the first stay bar and the upper portion of the rear bracket, and the rear portion of the seat bar is rotatably connected to the second stay bar.
Preferably, the sliding sleeves are respectively sleeved on the sitting bars at the two sides in a sliding way, and the sliding sleeves are coaxially and rotatably connected with the first supporting bars or the rear support.
Preferably, when the frame is in an unfolded state, the axial extension line of the main rod in the first stay rod and the axial extension line of the second stay rod extend along the up-down direction, and the included angle between the axial extension line of the main rod and the axial extension line of the second stay rod is 15-30 degrees.
Preferably, the connecting support comprises a first connecting support arranged between the sitting bars at two sides, the first connecting support comprises a first supporting bar and a second supporting bar which are mutually crossed and are rotationally connected at the crossed part, and the front ends of the first supporting bar and the second supporting bar are respectively rotationally connected with the sliding sleeves at two sides; the rear end parts of the first supporting rod and the second supporting rod are respectively connected with the rear parts of the sitting rods on the two sides in a rotating way.
Preferably, the connecting support further comprises a second connecting support, wherein the front end part and the rear end part of the second connecting support are respectively and rotatably connected with the front support and the rear support, the second connecting support comprises a third supporting rod and a fourth supporting rod which are mutually crossed and are rotatably connected at the crossed part, and the upper end parts of the third supporting rod and the fourth supporting rod are respectively and rotatably connected with the upper end parts of the front supports at two sides; the lower end parts of the third supporting rod and the fourth supporting rod are respectively connected with the lower parts of the rear brackets on the two sides in a rotating way.
Preferably, the connecting support further comprises a third connecting support connected and supported between the push rods, and the third connecting support comprises a fifth support rod, a sixth support rod and a seventh support rod, wherein one end of the fifth support rod and one end of the sixth support rod are respectively connected with the push rods on two sides in a rotating mode, and the seventh support rod is connected between the fifth support rod and the sixth support rod in a rotating mode.
Preferably, the stroller further comprises a canopy rod slidably and rotatably coupled to the push rod.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: by adopting the frame structure, the length of each rod piece can be shorter under the condition of keeping the height of the frame and the seat unchanged, the parts of the folded frame are better in fit, the gaps among the parts are smaller, the volume is small after folding, the frame can stand up, and the carrying and the storage are convenient.
Drawings
FIG. 1 is a schematic view of a child stroller in a unfolded state (with the joints of the partial rods exploded);
FIG. 2 is a schematic side view of the child stroller (in a folded configuration) of the present invention;
FIG. 3 is a schematic side view of the child stroller (folded) according to the present invention;
FIG. 4 is a schematic view of the front view of the child stroller (folded);
wherein: 1. a side bracket; 11. a front bracket; 110. a front wheel assembly; 12. a rear bracket; 120. a rear wheel assembly; 13. a push rod; 14. a sitting rod; 140. a sliding sleeve; 151. a main rod; 152. a support rod; 16. a second stay bar; 17. a connecting rod; 21. a first strut; 22. a second strut; 23. a third strut; 24. a fourth strut; 25. a fifth strut; 26. a sixth strut; 27. a seventh strut; 3. and (5) a canopy rod.
Detailed Description
As shown in fig. 1, 2, 3 and 4, the stroller comprises a stroller frame with an unfolding state and a folding state and a locking mechanism for locking the stroller frame in the unfolding state, wherein the stroller frame comprises side brackets 1 positioned at two sides of the stroller, the side brackets 1 comprise push rods 13, a front bracket 11 with a front wheel assembly 110 installed at the lower part, a rear bracket 12 with a rear wheel assembly 120 installed at the lower part, a first stay (the first stay comprises a main rod 151 and a support rod 152 which are fixedly connected), a second stay 16, a connecting rod 17 and a sitting rod 14 extending along the front-rear direction, the stroller frame also comprises a connecting bracket which is connected and supported between the side brackets 1 at two sides and can be folded along the left-right direction of the stroller frame, and the lengths of the support rod 152 and the connecting rod 17 are smaller than those of other rods in length comparison;
specifically, the upper end of the main lever 151 is rotatably connected to the push rod 13, the fixed connection between the main lever 151 and the strut 152 is rotatably connected to the rear bracket 12, and the lower end of the strut 152 is rotatably connected to the front bracket 11. The upper and lower parts of the second stay 16 are rotatably connected to the push rod 13 and the rear bracket 12, respectively, and the connection rod 17 is rotatably connected between the upper part of the front bracket 11 and the upper part of the rear bracket 12. The connecting rod 17, the second stay bar 16 and the rear bracket 12 are coaxially and rotatably connected;
the sliding sleeves 140 are respectively sleeved on the front parts of the sitting bars 14 on two sides, the sliding sleeves 140 are coaxially and rotatably connected with the first supporting bars and the rear support 12, namely, the sitting bars 14 are rotatably and slidably arranged relative to the first supporting bars or the rear support 12 through the sliding sleeves 140, and the rear parts of the sitting bars 14 are rotatably connected with the second supporting bars 16.
In this example, when the frame is in the unfolded state, the plane of the struts 152 on both sides coincides with the plane of the rear brackets 12 on both sides, the axial extension line of the main rod 151 and the axial extension line of the second stay 16 in the first stay extend along the up-down direction, and the included angle between the axial extension line of the main rod 151 and the axial extension line of the second stay 16 is 15 ° to 30 °. In addition, in the unfolded state of the frame, the rotary connection position of the two stay bars 16 and the push rod 13 is positioned at the front lower part of the rotary connection position of the first stay bar and the push rod 13; the rotary joint of the front bracket 11 and the first stay bar is positioned at the rear lower part of the rotary joint of the rear bracket 12 and the first stay bar; the rotary connection of the second stay bar 16 and the rear bracket 12 is positioned at the rear lower part of the rotary connection of the first stay bar and the front bracket 11; the rotary connection position of the connecting rod 17 and the rear bracket 12 is positioned at the rear lower part of the rotary connection position of the first stay bar and the front bracket 11; the rotational connection of the connecting rod 17 with the front bracket 11 is located at the front lower side of the rotational connection of the first stay with the front bracket 11. Further, in the unfolded state of the frame, the push rod 13, the main rod 151 of the first stay, the rear bracket 12 and the second stay 16 constitute a four-bar mechanism, and the strut 152 of the first stay, the front bracket 11, the connecting rod 17 and the rear bracket 12 constitute a four-bar mechanism.
Further, the cart frame further comprises a connecting frame which is connected and supported between the side brackets 1 at two sides and can be folded along the left-right direction of the cart frame, the connecting frame comprises a first connecting frame positioned between the sitting bars 14 at two sides, a second connecting frame with front end parts and rear end parts respectively connected with the front bracket 11 and the rear bracket 12 in a rotating way, and a third connecting frame connected and supported between the push rods 13, specifically, the first connecting frame comprises a first supporting rod 21 and a second supporting rod 22 which are mutually intersected and are connected in a rotating way at the intersection, and the front end parts of the first supporting rod 21 and the second supporting rod 22 are respectively connected with the sliding sleeves 140 at two sides in a rotating way; the rear end parts of the first supporting rod 21 and the second supporting rod 22 are respectively and rotatably connected with the rear parts of the sitting bars 14 at the two sides; the second connecting bracket comprises a third supporting rod 23 and a fourth supporting rod 24 which are mutually intersected and are rotationally connected at the intersection, and the upper ends of the third supporting rod 23 and the fourth supporting rod 24 are respectively rotationally connected with the upper ends of the front brackets 11 at two sides; the lower end parts of the third supporting rod 23 and the fourth supporting rod 24 are respectively and rotatably connected with the lower parts of the rear brackets 12 at the two sides; the third link includes a fifth strut 25 and a sixth strut 26, one end of which is rotatably connected to the push rods 13 on both sides, respectively, and a seventh strut 27 rotatably connected between the fifth strut 25 and the sixth strut 26.
Further, the child stroller of the present invention is a child umbrella handle stroller, and further comprises a canopy rod 3, wherein the canopy rod 3 is slidingly and rotatably connected to the push rod 13.
As shown in fig. 1, 2, 3 and 4, when the stroller frame is folded, the locking mechanism is unlocked, the canopy rod 3 is rotated to be close to the push rod 13, the push rod 13 is pushed downwards and rotated forwards, the first stay rod, the second stay rod 16 and the push rod 13 are gradually rotated to be close to each other, the second stay rod 16 pushes the rear support 12 to be close to the front support 11, the support rods 152 in the first stay rod are staggered with the rear support 12 while the first stay rod, the lower end part of the support rods 152 are gradually rotated to be close to each other with the push rod 13, the connecting rods 17 are also rotated forwards around the rotating points of the upper end parts of the support rods and the rear support 12, the seat rods 14 are slid backwards and rotated backwards, the side support rods are gradually close to the rear support 12 and the push rod 13, the frame can be gradually close to each other in the left-right direction through the connecting frames while the frame is in the front-rear direction, the frame is folded from the front-rear-left-right direction, the frame parts are in the folded state (see fig. 3 and 4) and the support rods 152 extend in the front-rear direction within the horizontal plane of the front-8 degrees.
In summary, with the frame structure of the present invention, the length of each rod can be shorter under the condition of keeping the height of the frame and the seat unchanged, the parts of the folded frame are better in fit, the gaps between the parts are smaller, the volume is small after folding, and the frame structure can be self-standing and is convenient for carrying and storage.
The present invention has been described in detail with the purpose of enabling those skilled in the art to understand and practice the present invention, but not to limit the scope of the present invention, and the present invention is not limited to the above-described embodiments, and all equivalent changes or modifications according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (10)
1. The utility model provides a children's shallow, includes the shallow frame that has expansion state and folding state, is used for locking the shallow frame in expansion state locking mechanical system, the shallow frame is including being located side support (1) of shallow both sides, side support (1) are including push rod (13), front support (11) that front wheel subassembly (110) are installed to the lower part, rear support (12) that rear wheel subassembly (120) are installed to the lower part, the shallow frame still including connect and support between side support (1) of both sides and can follow the even strut that the direction was folded about the shallow frame is drawn in, its characterized in that:
the side bracket (1) further comprises a first stay bar, a second stay bar (16) and a connecting rod (17);
the upper portions of the first supporting rods and the second supporting rods (16) are respectively connected with the push rod (13) in a rotating mode, the lower portions of the first supporting rods are respectively connected with the front support (11) and the rear support (12) in a rotating mode, the rotating connection position of the first supporting rods and the front support (11) is located below the rotating connection position of the first supporting rods and the rear support (12), the lower portions of the second supporting rods (16) are connected with the rear support (12) in a rotating mode, the push rod (13), the first supporting rods, the rear support (12) and the second supporting rods (16) form a four-bar linkage mechanism, the connecting rods (17) are connected between the upper portions of the front support (11) and the rear support (12) in a rotating mode, and the first supporting rods, the front support (11), the connecting rods (17) and the rear support (12) form the four-bar linkage mechanism.
2. The stroller of claim 1, wherein: the first stay bar comprises a main bar (151) and a support bar (152) which are fixedly connected, wherein the upper end part of the main bar (151) is rotationally connected with the push bar (13), the fixed connection part of the main bar (151) and the support bar (152) is rotationally connected with the rear bracket (12), and the lower end part of the support bar (152) is rotationally connected with the front bracket (11).
3. The stroller of claim 2, wherein: when the frame is in the unfolded state, the plane of the support rods (152) at the two sides coincides with the plane of the rear bracket (12) at the two sides.
4. The stroller of claim 1, wherein: the rotary connection position of the second stay bar (16) and the push rod (13) is positioned at the front lower part of the rotary connection position of the first stay bar and the push rod (13);
the rotary connection part of the front bracket (11) and the first stay bar is positioned at the rear lower part of the rotary connection part of the rear bracket (12) and the first stay bar;
the rotary connection position of the second stay bar (16) and the rear bracket (12) is positioned at the rear lower part of the rotary connection position of the first stay bar and the front bracket (11);
the rotary connection position of the connecting rod (17) and the rear bracket (12) is positioned at the rear lower part of the rotary connection position of the first stay bar and the front bracket (11);
the rotary connection part of the connecting rod (17) and the front bracket (11) is positioned at the front lower part of the rotary connection part of the first stay bar and the front bracket (11).
5. The stroller of claim 4, wherein: the connecting rod (17), the second stay bar (16) and the rear bracket (12) are coaxially and rotatably connected.
6. The stroller of claim 1, wherein: the side bracket (1) further comprises a seat rod (14) extending along the front-rear direction, the front part of the seat rod (14) is rotatably and slidably connected to any one of the lower part of the first support rod and the upper part of the rear bracket (12), and the rear part of the seat rod (14) is rotatably connected with the second support rod (16).
7. The stroller of claim 6, wherein: the sliding sleeves (140) are respectively sleeved on the sitting rods (14) at two sides, and the sliding sleeves (140) are coaxially and rotatably connected with the first supporting rods or the rear support (12).
8. The stroller of claim 7, wherein: the connecting support comprises a first connecting support arranged between the sitting bars (14) at two sides, the first connecting support comprises a first supporting bar (21) and a second supporting bar (22) which are mutually intersected and are rotationally connected at the intersection, and the front end parts of the first supporting bar (21) and the second supporting bar (22) are respectively rotationally connected with the sliding sleeves (140) at two sides; the rear ends of the first supporting rod (21) and the second supporting rod (22) are respectively connected with the rear parts of the sitting rods (14) at the two sides in a rotating way.
9. The stroller of claim 1, wherein: the connecting support further comprises a second connecting support, wherein the front end part and the rear end part of the second connecting support are respectively and rotatably connected with the front support (11) and the rear support (12), the second connecting support comprises a third supporting rod (23) and a fourth supporting rod (24) which are mutually crossed and rotatably connected at the crossed part, and the upper end parts of the third supporting rod (23) and the fourth supporting rod (24) are respectively and rotatably connected with the upper end parts of the front supports (11) at two sides; the lower end parts of the third supporting rod (23) and the fourth supporting rod (24) are respectively connected with the lower parts of the rear brackets (12) on the two sides in a rotating way.
10. The stroller of claim 1, wherein: the connecting support further comprises a third connecting support connected and supported between the push rods (13), and the third connecting support comprises a fifth support rod (25), a sixth support rod (26) and a seventh support rod (27), wherein one end of the fifth support rod is respectively and rotatably connected with the push rods (13) on two sides, and the seventh support rod (27) is rotatably connected between the fifth support rod (25) and the sixth support rod (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401512.9A CN108248665B (en) | 2017-12-22 | 2017-12-22 | Child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401512.9A CN108248665B (en) | 2017-12-22 | 2017-12-22 | Child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108248665A CN108248665A (en) | 2018-07-06 |
| CN108248665B true CN108248665B (en) | 2024-01-19 |
Family
ID=62723488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711401512.9A Active CN108248665B (en) | 2017-12-22 | 2017-12-22 | Child cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108248665B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1967439A2 (en) * | 2007-03-07 | 2008-09-10 | Giochi Preziosi S.p.A. | Foldable stroller |
| CN101284542B (en) * | 2008-02-05 | 2010-06-16 | 好孩子儿童用品有限公司 | Baby carriage |
| CN106004972A (en) * | 2016-07-15 | 2016-10-12 | 昆山贝康儿童用品有限公司 | Foldable baby stroller carriage |
| CN106364541A (en) * | 2016-10-16 | 2017-02-01 | 宁波爱贝丽运动用品有限公司 | Foldable child cart frame |
| CN207790804U (en) * | 2017-12-22 | 2018-08-31 | 好孩子儿童用品有限公司 | A kind of children trolley |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104943724B (en) * | 2014-03-31 | 2017-08-08 | 明门(中国)幼童用品有限公司 | vehicle frame |
-
2017
- 2017-12-22 CN CN201711401512.9A patent/CN108248665B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1967439A2 (en) * | 2007-03-07 | 2008-09-10 | Giochi Preziosi S.p.A. | Foldable stroller |
| CN101284542B (en) * | 2008-02-05 | 2010-06-16 | 好孩子儿童用品有限公司 | Baby carriage |
| CN106004972A (en) * | 2016-07-15 | 2016-10-12 | 昆山贝康儿童用品有限公司 | Foldable baby stroller carriage |
| CN106364541A (en) * | 2016-10-16 | 2017-02-01 | 宁波爱贝丽运动用品有限公司 | Foldable child cart frame |
| CN207790804U (en) * | 2017-12-22 | 2018-08-31 | 好孩子儿童用品有限公司 | A kind of children trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108248665A (en) | 2018-07-06 |
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