CN110481621B - Child cart - Google Patents
Child cart Download PDFInfo
- Publication number
- CN110481621B CN110481621B CN201910654139.0A CN201910654139A CN110481621B CN 110481621 B CN110481621 B CN 110481621B CN 201910654139 A CN201910654139 A CN 201910654139A CN 110481621 B CN110481621 B CN 110481621B
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- frame
- bracket
- rod
- push rod
- stroller
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- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification 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
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- 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 discloses a baby stroller, which comprises a front bracket, a rear bracket, a push rod bracket, a stay rod bracket, a front connecting bracket, a rear connecting bracket, a front connecting rod and a rear connecting rod, wherein the front bracket comprises a front upper bracket and a front lower bracket which slide and stretch relatively along the length direction, the rear bracket comprises a rear upper bracket and a rear lower bracket which slide and stretch relatively along the length direction, the front connecting bracket and the rear connecting bracket rotate relatively and fold relatively in the folding process of the stroller frame, the front connecting rod and the rear connecting rod drive the front upper bracket and the front lower bracket to shrink respectively along the length direction, and the rear upper bracket and the rear lower bracket are respectively contracted along the length direction, so that the length of the front bracket and the rear bracket is reduced, the overall height of the folded stroller frame is greatly reduced, the overall size of the folded stroller frame is further reduced, and convenience is brought to daily carrying and storage of users.
Description
Technical Field
The invention relates to a child stroller.
Background
The baby carriage plays an important role in carrying babies in daily life for users, and is an indispensable child product in the growth process of children. In the prior art, the child stroller has various structures, the connection relation of each rod piece is different, the folding mode and the folding principle of the stroller frame are different, and the folded shape and the folded volume are different. The conventional stroller frame of the stroller comprises a front bracket, a rear bracket and a push rod frame, when the stroller frame is folded, the front bracket, the rear bracket and the push rod frame are mutually folded, so that the lengths of the front bracket and the rear bracket completely influence the folded size of the stroller, but if the lengths of the front bracket and the rear bracket are reduced for reducing the height of the folded stroller frame, the height of a seat on the stroller frame is reduced, and the riding comfort is influenced.
Disclosure of Invention
The invention aims to provide a novel child stroller.
In order to achieve the above purpose, the invention adopts the following technical scheme: a stroller comprising a stroller frame having an expanded state and a collapsed state, a front wheel assembly disposed at a front portion of the stroller frame bottom, a rear wheel assembly disposed at a rear portion of the stroller frame bottom, and a locking mechanism for locking the stroller frame in the expanded state, the stroller frame comprising:
The front bracket comprises a front upper bracket and a front lower bracket which relatively slide and stretch along the length direction;
the rear bracket comprises a rear upper bracket and a rear lower bracket which relatively slide and stretch along the length direction;
the push rod rack comprises a lower push rod rack and an upper push rod rack, wherein the lower part of the upper push rod rack is rotationally connected with the upper part of the lower push rod rack, and the upper part of the front upper bracket, the upper part of the rear upper bracket and the lower part of the lower push rod rack are rotationally connected with one another or are rotationally connected with the other one;
The connecting frame assembly comprises a front connecting frame and a rear connecting frame which are respectively arranged along the front-rear direction, the front connecting frame and the rear connecting frame are connected in a mutually rotating manner, the front part of the front connecting frame is connected to the front upper bracket in a rotating manner, and the rear part of the rear connecting frame is connected to the rear upper bracket in a rotating manner;
A front link having one end rotatably coupled to the front lower bracket and the other end rotatably coupled to the front of the rear link;
a rear link having one end rotatably coupled to the rear lower bracket and the other end rotatably coupled to the rear of the front link;
The support rod frame is rotationally connected with the rear upper support, the upper portion of the support rod frame is rotationally connected with the lower portion of the upper push rod frame, and the lower portion of the support rod frame can rotate relatively and can slide relatively along the length extending direction of the rear connecting frame to be connected with the rear connecting frame.
Preferably, when the cart frame is in a folded state, the push rod frame and the support rod frame are turned over and folded at the rear side of the rear support, the front connecting frame and the rear connecting frame are relatively rotated and folded, and the front support and the rear support are respectively shortened and folded along the front-rear direction.
Preferably, when the cart frame is folded, the front connecting frame and the rear connecting frame rotate relatively and are folded along the front-rear direction, wherein the rear part of the front connecting frame and the front part of the rear connecting frame move upwards respectively.
Preferably, the front connecting frame is rotatably connected with the rear connecting frame through a first shaft, the front connecting rod is rotatably connected with the rear connecting frame through a second shaft, the rear connecting rod is rotatably connected with the front connecting frame through a third shaft, and the cart frame is in a unfolded state, and the first shaft is located between the second shaft and the third shaft along the front-rear direction.
Preferably, the strut frame is rotatably connected to the rear upper bracket through a fourth shaft, the rear portion of the rear connecting frame is rotatably connected to the rear upper bracket through a fifth shaft, and the fourth shaft is located above the fifth shaft on the rear upper bracket.
Preferably, the upper part of the upper push rod frame is rotatably connected to the lower push rod frame through a sixth shaft, the upper part of the support rod frame is rotatably connected to the lower part of the lower push rod frame through a seventh shaft, and the sixth shaft and the seventh shaft are two shafts with parallel axial lines.
Preferably, the cart frame further comprises a seat frame arranged along the front-rear direction, the rear part of the seat frame is rotatably connected to the strut frame, and the front part of the seat frame is connected with the push rod frame in a relatively sliding manner along the length direction of the seat frame.
Preferably, the upper part of the front upper bracket, the upper part of the rear upper bracket and the lower part of the lower push rod frame are rotationally connected together around the same rotation center line, the locking mechanism comprises a main locking joint which is arranged on the upper part of the front upper bracket, the upper part of the rear upper bracket and the lower part of the lower push rod frame and is used for locking the three relatively, a push rod locking joint which is arranged between the upper push rod frame and the lower push rod frame and is used for locking the two relatively, the main locking joint and the push rod locking joint are arranged in a linkage unlocking manner, and an unlocking operation piece which is used for unlocking the push rod locking joint is also arranged on the push rod frame.
Preferably, the front wheel assembly is arranged at the bottom of the front lower bracket, the rear wheel assembly is arranged at the bottom of the rear lower bracket, the front wheel assembly and the rear wheel assembly are commonly supported on the ground when the cart frame is in a folded state, and the upper end of the upper push rod frame is not higher than the top ends of the front bracket and the rear bracket.
Further, the cart frame comprises two groups of side brackets which are respectively arranged at the left side and the right side, each side of the side brackets comprises a front bracket, a rear bracket, a push rod bracket and a support rod bracket, and the front connecting frame, the rear connecting frame, the front connecting rod and the rear connecting rod are arranged between the two groups of side brackets.
Still further, the front connecting frame is provided with two front side rods which are respectively arranged at the left side and the right side and all extend along the front-back direction, the rear connecting frame is provided with two rear side rods which are respectively arranged at the left side and the right side and all extend along the front-back direction, the left side and the right side of the cart frame are rotationally connected with the rear side rods, the front parts of the front side rods are rotationally connected with the front upper brackets at the same side, and the rear parts of the rear side rods are rotationally connected with the rear upper brackets at the same side.
Further, the front connecting rod and the rear connecting rod are respectively provided with two groups which are respectively arranged at the left side and the right side, the front connecting rod is rotationally connected between the front lower bracket and the front part of the rear side rod, and the rear connecting rod is rotationally connected between the rear lower bracket and the rear part of the front side rod.
Still further, the preceding link still has along left and right direction extension and is located two preceding connecting rod between the side lever rear portion, the back link still has along left and right direction extension and is located two back connecting rod between the side lever front portion, both sides be provided with preceding horizontal pole between the front lower carriage, both sides be provided with back horizontal pole between the back lower carriage, preceding connecting rod rotationally set up preceding horizontal pole with between the connecting rod, back connecting rod rotationally set up back horizontal pole with between the connecting rod.
Further, a sliding member is rotatably connected to the lower portion of the strut frame at each side, and is slidably disposed on the rear side lever in a direction along the length extension of the rear side lever, and the sliding member is disposed on the rear side lever at a rear side of the rotational connection position between the front side lever and the rear side lever.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the baby stroller frame is simple in structure and simple in folding operation, and the front support and the rear support can be synchronously contracted along respective length directions in the folding process to reduce the length, so that the overall height of the folded stroller frame is greatly reduced, the overall size of the folded stroller frame is further reduced, and convenience is brought to daily carrying and storage of users.
Drawings
Fig. 1 is a perspective view of the stroller of embodiment 1 in an unfolded state;
FIG. 2 is a side view of the stroller of example 1 in an unfolded state;
FIG. 3 is a side view of the child stroller of example 1 in a semi-folded condition;
FIG. 4 is a side view of the stroller of example 1 in a folded condition;
Fig. 5 is a perspective view of the child stroller of example 2 in an unfolded state;
FIG. 6 is a side view of the stroller of example 2 in an unfolded state;
FIG. 7 is a side view of the stroller of example 2 in a semi-collapsed condition;
FIG. 8 is a side view of the stroller of example 2 in a collapsed condition;
Wherein: 1. a front bracket; 11. a front upper bracket; 12. a front lower bracket; 100. a front cross bar;
2. a rear bracket; 21. a rear upper bracket; 22. a rear lower bracket; 200. a rear cross bar;
3. a push rod frame; 31. a push rod frame is upwards pushed; 311. an upper push rod; 312. pushing the handle bar; 32. pushing down the rod frame;
4. A brace bar frame; 5. a front connecting frame; 51. a front connecting rod; 52. a front side lever; 6. a rear connecting frame; 61. a rear connecting rod; 62. a rear side lever; 7. a front link; 8. a rear connecting rod; 9. a slider; 10. a seat frame; 20. a sliding sleeve; 201. sliding sleeve cross bars; 30. a push rod locking joint; 40. a primary locking joint; 50. unlocking the operating member; 60. a front wheel assembly; 70. a rear wheel assembly; a. a first shaft; b. a second shaft; c. a third shaft; d. a fourth shaft; e. a fifth shaft; f. a sixth shaft; g. and a seventh axis.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
Example 1
Referring to the stroller illustrated in fig. 1-4, the stroller includes a stroller frame having an expanded state and a collapsed state, a front wheel assembly 60 disposed at a front portion of the stroller frame bottom, a rear wheel assembly 70 disposed at a rear portion of the stroller frame bottom, and a locking mechanism for locking the stroller frame in the expanded state.
The trolley frame comprises side brackets which are respectively arranged at the left side and the right side, each side bracket comprises a front bracket 1, a rear bracket 2, a push rod frame 3 and a supporting rod frame 4, and a connecting frame component, a front connecting rod 7 and a rear connecting rod 8 are further arranged between the side brackets at the two sides.
Wherein, on each side of the left and right sides of the cart frame, the front bracket 1 gradually extends upwards from front to back in the unfolded state of the cart frame, and comprises a front upper bracket 11 and a front lower bracket 12 which relatively slide and stretch along the length direction, and a front wheel assembly 60 is arranged at the bottom of the front lower bracket 12; the rear bracket 2 gradually extends upwards from back to front in an unfolding state of the trolley frame and comprises a rear upper bracket 21 and a rear lower bracket 22 which relatively slide and stretch along the length direction, and a rear wheel assembly 70 is arranged at the bottom of the rear lower bracket 22; the push rod frame 3 comprises a lower push rod frame 32 and an upper push rod frame 31 with the lower part rotatably connected with the upper part of the lower push rod frame 32, wherein the upper push rod frame 31 comprises an upper push rod 311 and push rod 312 which relatively slide and stretch, and the push rod 312 at two sides is integrally provided as a U-shaped rod. On each of the left and right sides of the cart frame, the upper part of the front upper bracket 11, the upper part of the rear upper bracket 21 and the lower part of the lower push rod bracket 32 are rotatably connected, wherein a third one of the two is rotatably connected, or the three are rotatably connected together, specifically in this embodiment: the upper part of the front upper bracket 11, the upper part of the rear upper bracket 21 and the lower part of the lower push rod bracket 32 are rotatably connected together about the same rotation center line.
The connecting frame assembly comprises a front connecting frame 5 and a rear connecting frame 6 which are respectively arranged along the front-rear direction, the front connecting frame 5 and the rear connecting frame 6 are connected in a mutually rotating way, the front part of the front connecting frame 5 is connected on the front upper bracket 11 in a rotating way, and the rear part of the rear connecting frame 6 is connected on the rear upper bracket 21 in a rotating way; one end of the front connecting rod 7 is rotatably connected to the front lower bracket 12, and the other end thereof is rotatably connected to the front part of the rear connecting frame 6; one end of the rear link 8 is rotatably connected to the rear lower bracket 22, and the other end thereof is rotatably connected to the rear of the front link 5. Wherein, front link 5 and back link 6 are connected rotationally through first axle a, and front connecting rod 7 and back link 6 are connected rotationally through second axle b, and back connecting rod 8 and front link 5 are connected rotationally through third axle c, and when the shallow frame is in the state of expanding, first axle a is located between second axle b and third axle c along the fore-and-aft direction.
The support rod frame 4 is rotatably connected with the rear upper bracket 21 on each side of the left and right sides of the cart frame through a fourth shaft d which is positioned above a fifth shaft e of the rotation shaft between the rear upper bracket 21 and the rear part of the rear connecting frame 6 on the rear upper bracket 21; the upper part of the stay bar frame 4 is rotatably connected with the lower part of the upper push rod frame 31 through a seventh shaft g, and a sixth shaft f of a rotation connecting shaft between the upper push rod frame 31 and the lower push rod frame 32 is two shafts with axial lines parallel to each other, wherein the sixth shaft f is positioned above the seventh shaft g on the upper push rod frame 31; the lower portion of the stay bracket 4 is connected to the rear link bracket 6 so as to be capable of both relative rotation and relative sliding along the longitudinal extension direction of the rear link bracket 6.
Specifically, in the present embodiment, a front cross bar 100 is provided between the front lower brackets 12 on both sides, and a rear cross bar 200 is provided between the rear lower brackets 22 on both sides; the front link 5 has two front side bars 52 which are provided separately on the left and right sides and extend in the front-rear direction, and a front link bar 51 which is provided between the two front side bars 52 and extends in the left-right direction, wherein the front link bar 51 and the two front side bars 52 are integrally provided as a U-shaped bar which is open toward the front; the rear link 6 has two rear side bars 62 provided on the left and right sides and extending in the front-rear direction, and a rear link bar 61 provided between the two rear side bars 62 and extending in the left-right direction. On each of the left and right sides of the stroller frame, the front rod 52 and the rear rod 62 are rotatably connected about the first axis a, the front portion of the front rod 52 is rotatably connected to the front upper bracket 11 on the same side, and the rear portion of the rear rod 62 is rotatably connected to the rear upper bracket 21 on the same side. The lower part of each side of the strut frame 4 is rotatably connected with a sliding member 9, wherein the sliding member 9 is a sliding sleeve, the sliding sleeve 9 is slidably arranged on the rear side rod 62 along the length extending direction of the rear side rod 62, and the sliding sleeve 9 is positioned behind the first shaft a on the rear side rod 62.
The front connecting rod 7 is rotatably arranged between the front cross rod 100 and the rear connecting rod 61, the rear connecting rod 8 is rotatably arranged between the rear cross rod 200 and the front connecting rod 51, and annular sleeve parts are respectively arranged at two ends of the front connecting rod 7, so that the front connecting rod 7 is respectively rotatably sleeved on the front cross rod 100 and the rear connecting rod 61 and directly rotates around the axial lead of the front cross rod 100 or the axial lead of the rear connecting rod 61; similarly, annular sleeves are respectively arranged at the two ends of the rear connecting rod 8, so that the annular sleeves are respectively sleeved on the rear cross rod 200 and the front connecting rod 51 in a rotating way and directly rotate around the axial line of the rear cross rod 200 or the axial line of the front connecting rod 51.
Referring to the drawings, the cart frame further includes a seat frame 10 disposed in a front-rear direction, on each of left and right sides of the cart frame, a rear portion of the seat frame 10 is rotatably coupled to the strut frame 4, a front portion of the seat frame 10 is relatively slidably coupled to the push down rod frame 32 in a longitudinal direction thereof, and here, a sliding sleeve 20 is slidably sleeved on the front portion of the seat frame 10, and the sliding sleeve 20 is fixedly coupled to the push down rod frame 32.
The locking mechanism comprises a main locking joint 40 arranged between the upper part of the front upper bracket 11, the upper part of the rear upper bracket 21 and the lower part of the lower push rod frame 32 for locking the three relatively, and a push rod locking joint 30 arranged between the upper push rod frame 31 and the lower push rod frame 32 for locking the two relatively, wherein the main locking joint 40 and the push rod locking joint 30 are arranged in a linkage unlocking manner, and an unlocking operation piece 50 for unlocking the push rod locking joint 30 is also arranged on the push rod frame 3, and the unlocking operation piece 50 is arranged at the top of the push rod frame 3.
When the cart frame is locked in the unfolded state, as shown in fig. 1 and 2, the front bracket 1, the rear bracket 2 and the push rod frame 3 are unfolded relatively, and the front upper bracket 11 and the front lower bracket 12 are in a relatively extended state; the rear upper bracket 21 and the rear lower bracket 22 are in a relatively extending state, the front connecting frame 5 and the rear connecting frame 6 are supported between the front bracket 1 and the rear bracket 2 along the front-rear direction, and the height of the seat frame 10 is in a higher position, so that the use requirement is met. The trolley frame is simple and stable in structure and has good bearing capacity.
When the cart frame needs to be folded, referring to fig. 3, the unlocking operation member 50 is operated to unlock the push rod locking joint 30, so as to drive the main locking joint 40 to be unlocked in a linkage manner, the upper push rod frame 31 firstly shortens in length and turns over relative to the lower push rod frame 32, and the whole push rod frame 30 turns over backward, so that the support rod frame 4 also turns over backward relative to the rear upper support frame 21 around the fourth axis d, and thus, the lower part of the support rod frame 4 moves forward and upward, so that the front connecting frame 5 and the rear connecting frame 6 rotate around the first axis a and gradually fold along the front-rear direction, wherein the rear part of the front connecting frame 5 and the front part of the rear connecting frame 6 respectively move upward, so as to drive the front connecting rod 7 and the rear connecting rod 8 to move upward; subsequently, under the action of the front link 7 and the rear link 8, the front upper bracket 11 and the front lower bracket 12, the rear upper bracket 21 and the rear lower bracket 22 are respectively contracted in the length direction, so that the front bracket 1 and the rear bracket 2 are synchronously shortened in length, and the front bracket 1 and the rear bracket 2 are gradually closed in the front-rear direction.
As shown in fig. 4, the front frame 1, the rear frame 2, the stay 4, the lower push rod 32 and the upper push rod 31 are folded in the front-rear direction, the front link 5, the rear link 6, the front link 7 and the rear link 8 are folded between the front frame 1 and the rear frame 2, and the seat frame 10 is also folded between the stay 4 and the lower push rod 32. The rods are closely closed, so that the structure of the trolley frame in the folded state is very compact. In this folded state, the front wheel assembly 60 and the rear wheel assembly 70 are supported on the ground together, and the upper end of the upper putter frame 31 is not higher than the top ends of the front frame 1 and the rear frame 2, and the folded overall height is extremely small, so that the carrying and storage are easy.
Example 2
Referring to the child cart shown in fig. 5 to 8, the cart frame thereof is mainly different from embodiment 1 in that: in the present embodiment, the front link 5 has two sets of front side bars 52 respectively disposed on the left and right sides and extending in the front-rear direction, the rear link 6 has two sets of rear side bars 62 respectively disposed on the left and right sides and extending in the front-rear direction, and the front link 7 and the rear link 8 each have two sets respectively disposed on the left and right sides. On each of the left and right sides of the stroller frame, the front rod 52 is rotatably connected to the middle portion of the rear rod 62, the front portion of the front rod 52 is rotatably connected to the front upper bracket 11 on the same side, and the rear portion of the rear rod 62 is rotatably connected to the rear upper bracket 21 on the same side. The slider 9 at the lower part of the strut 4 is slidably provided on the rear side lever 62. The front link 7 is rotatably connected between the front lower bracket 12 and the front portion of the rear lever 62, and the rear link 8 is rotatably connected between the rear lower bracket 22 and the rear portion of the front lever 52. In this embodiment, a sliding rail 201 is also fixedly disposed between the two sliding sleeves 20 to provide lateral auxiliary support for the seat frame 10.
The folding principle of the cart frame is similar to that of the cart frame of embodiment 1, and will not be described again here, and the folded cart frame is shown in fig. 8, and its size is very small.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (14)
1. The utility model provides a children's shallow, includes has the shallow frame of expansion state and folding state, locates the front wheel subassembly at shallow frame bottom front portion, locates the rear wheel subassembly at shallow frame bottom rear portion, and be used for with the locking mechanical system of shallow frame lock under the expansion state, its characterized in that: the cart frame includes:
The front bracket comprises a front upper bracket and a front lower bracket which relatively slide and stretch along the length direction;
the rear bracket comprises a rear upper bracket and a rear lower bracket which relatively slide and stretch along the length direction;
the push rod rack comprises a lower push rod rack and an upper push rod rack, wherein the lower part of the upper push rod rack is rotationally connected with the upper part of the lower push rod rack, and the upper part of the front upper bracket, the upper part of the rear upper bracket and the lower part of the lower push rod rack are rotationally connected with one another or are rotationally connected with the other one;
The connecting frame assembly comprises a front connecting frame and a rear connecting frame which are respectively arranged along the front-rear direction, the front connecting frame and the rear connecting frame are connected in a mutually rotating manner, the front part of the front connecting frame is connected to the front upper bracket in a rotating manner, and the rear part of the rear connecting frame is connected to the rear upper bracket in a rotating manner;
A front link having one end rotatably coupled to the front lower bracket and the other end rotatably coupled to the front of the rear link;
a rear link having one end rotatably coupled to the rear lower bracket and the other end rotatably coupled to the rear of the front link;
The support rod frame is rotationally connected with the rear upper support, the upper portion of the support rod frame is rotationally connected with the lower portion of the upper push rod frame, and the lower portion of the support rod frame can rotate relatively and can slide relatively along the length extending direction of the rear connecting frame to be connected with the rear connecting frame.
2. The stroller of claim 1, wherein: when the trolley frame is in a folded state, the push rod frame and the supporting rod frame are overturned and folded at the rear side of the rear support, the front connecting frame and the rear connecting frame are relatively rotated and folded, and the front support and the rear support are respectively shortened and folded along the front-rear direction.
3. The stroller of claim 1, wherein: when the cart frame is folded, the front connecting frame and the rear connecting frame rotate relatively and are mutually folded along the front-rear direction, wherein the rear part of the front connecting frame and the front part of the rear connecting frame respectively move upwards.
4. The stroller of claim 1, wherein: the front connecting frame is rotationally connected with the rear connecting frame through a first shaft, the front connecting rod is rotationally connected with the rear connecting frame through a second shaft, the rear connecting rod is rotationally connected with the front connecting frame through a third shaft, the cart frame is in an unfolding state, and the first shaft is located between the second shaft and the third shaft along the front-back direction.
5. The stroller of claim 1, wherein: the support rod frame is rotationally connected to the rear upper bracket through a fourth shaft, the rear part of the rear connecting frame is rotationally connected to the rear upper bracket through a fifth shaft, and the fourth shaft is positioned above the fifth shaft on the rear upper bracket.
6. The stroller of claim 1, wherein: the upper part of the upper push rod frame is rotationally connected to the lower push rod frame through a sixth shaft, the upper part of the support rod frame is rotationally connected with the lower part of the lower push rod frame through a seventh shaft, and the sixth shaft and the seventh shaft are two shafts with parallel axial leads.
7. The stroller of claim 1, wherein: the trolley frame also comprises a seat frame arranged along the front-back direction, the rear part of the seat frame is rotationally connected to the stay bar frame, and the front part of the seat frame can be connected with the lower push rod frame in a relatively sliding manner along the length direction of the seat frame.
8. The stroller of claim 1, wherein: the upper portion of preceding upper bracket the upper portion of back upper bracket and the lower part of pushing rod frame rotationally links together around same rotation central line, locking mechanical system is including locating preceding upper bracket's upper portion the upper portion of back upper bracket and be used for the relative locking of three between the lower part of pushing rod frame down main locking joint, locating be used for the push rod locking joint with the relative locking of two between upper pushing rod frame and the lower pushing rod frame, main locking joint with the linkage unblock sets up between the push rod locking joint, still be provided with on the pushing rod frame be used for with the unblock operating member of push rod locking joint unblock.
9. The stroller of claim 1, wherein: the front wheel assembly is arranged at the bottom of the front lower bracket, the rear wheel assembly is arranged at the bottom of the rear lower bracket, when the cart frame is in a folded state, the front wheel assembly and the rear wheel assembly are jointly supported on the ground, and the upper end of the upper push rod frame is not higher than the top ends of the front bracket and the rear bracket.
10. A stroller according to any one of claims 1 to 9, wherein: the trolley frame comprises two groups of side brackets which are respectively arranged at the left side and the right side, each side of the side brackets comprises a front bracket, a rear bracket, a push rod bracket and a support rod bracket, and a front connecting frame, a rear connecting frame, a front connecting rod and a rear connecting rod are arranged between the two groups of side brackets.
11. The stroller of claim 10, wherein: the front connecting frame is provided with two front side rods which are respectively arranged at the left side and the right side and all extend along the front-back direction, the rear connecting frame is provided with two rear side rods which are respectively arranged at the left side and the right side and all extend along the front-back direction, the left side and the right side of the cart frame are rotationally connected with the rear side rods, the front parts of the front side rods are rotationally connected with the front upper brackets at the same side, and the rear parts of the rear side rods are rotationally connected with the rear upper brackets at the same side.
12. The stroller of claim 11, wherein: the front connecting rod and the rear connecting rod are respectively provided with two groups which are respectively arranged at the left side and the right side, the front connecting rod is rotationally connected between the front lower bracket and the front part of the rear side rod, and the rear connecting rod is rotationally connected between the rear lower bracket and the rear part of the front side rod.
13. The stroller of claim 11, wherein: the front connecting frame is characterized by further comprising a front connecting rod extending along the left-right direction and positioned between the rear parts of the front side rods, the rear connecting frame is further provided with a rear connecting rod extending along the left-right direction and positioned between the front parts of the rear side rods, front cross rods are arranged between the front lower brackets on two sides, rear cross rods are arranged between the rear lower brackets on two sides, the front connecting rod is rotationally arranged between the front cross rods and the rear connecting rod, and the rear connecting rod is rotationally arranged between the rear cross rods and the front connecting rod.
14. The stroller of claim 11, wherein: the lower part of each side the strut frame is rotationally connected with a sliding part, the sliding part can be arranged on the rear side rod in a sliding way along the length extending direction of the rear side rod, and the sliding part is positioned on the rear side rod behind the rotational connection position of the front side rod and the rear side rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910654139.0A CN110481621B (en) | 2019-07-19 | 2019-07-19 | Child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910654139.0A CN110481621B (en) | 2019-07-19 | 2019-07-19 | Child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110481621A CN110481621A (en) | 2019-11-22 |
| CN110481621B true CN110481621B (en) | 2024-06-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910654139.0A Active CN110481621B (en) | 2019-07-19 | 2019-07-19 | Child cart |
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| Country | Link |
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| CN (1) | CN110481621B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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