CN107054432B - Foldable baby carriage - Google Patents
Foldable baby carriage Download PDFInfo
- Publication number
- CN107054432B CN107054432B CN201610669445.8A CN201610669445A CN107054432B CN 107054432 B CN107054432 B CN 107054432B CN 201610669445 A CN201610669445 A CN 201610669445A CN 107054432 B CN107054432 B CN 107054432B
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- side wall
- rod
- connecting rod
- support
- seat
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- 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
- B62B7/064—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable the handle bar being parallel to the front leg
- B62B7/066—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable the handle bar being parallel to the front leg the handle bar moves in parallel relation during folding
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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 foldable baby stroller, which comprises a stroller frame body and a roller group arranged below the stroller frame body, wherein the stroller frame body comprises two front brackets, two rear brackets, two push rods, two first connecting rods, two second connecting rods, two side wall rods, two bracket connecting pieces and two positioning mechanisms, the lower end of each push rod is hinged with the upper end of each second connecting rod based on the opening and using direction of the stroller frame body, the lower end of each second connecting rod is hinged with the side wall of the upper end of the rear bracket, the upper end of each side wall rod is hinged with the side wall of the lower end of each push rod, the lower end of each side wall rod is hinged with the upper end of the rear bracket through a bracket connecting piece, the lower end of each bracket connecting piece is hinged with the upper end of the front bracket, one end of each first connecting rod is hinged with the side wall of the rear bracket, and the positioning mechanism is arranged at the hinged position of each side wall rod and each push rod. The folding type portable folding device is simple in structure, small in size after folding and convenient to use and carry.
Description
Technical Field
The invention relates to a baby carriage, in particular to a foldable baby carriage.
Background
Baby strollers have been increasingly used in households with infants due to convenience and comfort, and at present, baby strollers for infants use a foldable structure to facilitate folding, storage and carrying after riding. However, most of common baby carriage folding structures are two-fold structures, the whole volume is large after folding, the export of the marine cabinet is not facilitated, and the storage and the carrying are not convenient. In addition, most portable handcarts on the market need to avoid front armrests when being folded, if the cart body does not have the front armrests, once the child forgets to bind the safety belt, the child can slide off the cart to be injured; if the cart is kicked with the front armrests, the front armrests must be removed during folding, and the folding operation is complicated.
Disclosure of Invention
The invention aims to provide a foldable baby stroller, which has a simple structure, small volume after folding and convenient use and carrying.
In order to achieve the aim of the invention, the invention adopts the following technical scheme: the utility model provides a collapsible perambulator, includes the shallow frame body and locates the roller set of shallow frame body below, the shallow frame body includes two fore-stock, two rear bracket, two push rods, two first connecting rods, two second connecting rods, two side wall bars, two support connection spare and two positioning mechanism to the shallow frame body opens the direction of use as the benchmark, the push rod lower extreme with the second connecting rod upper end articulates, the second connecting rod lower extreme with rear bracket upper end lateral wall articulates, side wall bar upper end with push rod lower extreme lateral wall articulates, the side wall bar lower extreme through the leg joint spare with rear bracket upper end articulates, the leg joint spare lower extreme with the fore-stock upper end articulates, first connecting rod one end with rear bracket lateral wall articulates, the first connecting rod other end with the fore-stock lateral wall articulates, push rod, second connecting rod, rear bracket and side wall bar constitute first four connecting rod structures, rear bracket, first connecting rod, front bracket and four side wall connection spare and four side wall structures are located to the side wall hinge mechanism.
Further, the cart frame body further comprises a front handrail, the front handrail is of a U-shaped structure, and the side wall of the front handrail is hinged with the second connecting rod and the side wall rod respectively.
Further, the trolley frame body further comprises a seat rod and a seat rod sliding sleeve, the seat rod sliding sleeve is fixedly arranged at the hinge position of the support connecting piece and the rear support, one end of the seat rod is slidably arranged in the seat rod sliding sleeve in a penetrating mode, and the other end of the seat rod is hinged to the side wall of the lower end of the second connecting rod.
Further, a connecting rod is fixedly arranged between the side walls of the two seat rods.
Further, a turning plate is fixedly arranged at one end of the seat rod, which penetrates through the seat rod sliding sleeve.
Further, the roller set comprises two front wheels and two rear wheels, the front wheels are mounted at the lower end of the front support, the rear wheels are coaxially connected through a rear wheel shaft and mounted at the lower end of the rear support, and brake plates are arranged at the lower end of the front support and on the rear wheel shaft.
Preferably, the hinge position of one end of the first connecting rod and the side wall of the rear bracket is located between the hinge position of the side wall of the upper end of the rear bracket and the lower end of the second connecting rod and the lower end of the rear bracket.
Preferably, the hinge position of the other end of the first connecting rod and the side wall of the front bracket is located between the lower end of the bracket connecting piece and the hinge position of the upper end of the front bracket and the lower end of the front bracket.
Preferably, the positioning mechanism comprises a folding button, a rope, a limiting pin and an elastic piece, wherein the limiting pin is arranged in the push rod and has radial freedom degree along the push rod, one end of the elastic piece is fixedly arranged in the push rod, the other end of the elastic piece abuts against one end face of the limiting pin, the other end of the limiting pin extends out of the push rod, a U-shaped jack is arranged on the side wall of the side wall rod, the other end of the limiting pin is opposite to the position of the U-shaped jack and is inserted into the jack, the folding button is arranged on the outer side wall of the push rod, the folding button is fixedly connected with one end of the rope, the other end of the rope is fixedly connected with one end of the limiting pin, and the rope is slidably arranged in the push rod in a penetrating mode.
Preferably, a pedal is also fixedly arranged between the side walls of the two front brackets.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the baby stroller is folded through the three-fold structure formed by the first four-bar structure and the second four-bar structure, the folded baby stroller is small in size and convenient to store and carry, the whole structure is simple, the weight is light, folding and unfolding operations are realized through the positioning mechanism, the operation is convenient, the support in an unfolded state is stable, and the baby is comfortable to take;
2. the baby stroller seat can be easily laid down in front, newborns can also use the baby stroller seat, and the side wall of the front handrail is respectively hinged with the second connecting rod and the side wall rod, so that the front handrail is folded, and the baby stroller seat is convenient to use.
Drawings
Fig. 1 is a schematic perspective view showing an open state of the present invention in a first embodiment.
Fig. 2 is a schematic view showing a rear perspective view of an opened state of the present invention in the first embodiment.
Fig. 3 is a schematic side view of the open state of the present invention in the first embodiment.
Fig. 4 is a schematic structural view of the folding process of the present invention in the first embodiment.
Wherein: 1. a front bracket; 2. a rear bracket; 3. a push rod; 4. a first link; 5. a second link; 6. a side rail; 7. a bracket connection; 8. folding the button; 9. a front armrest; 10. a seat post; 11. a seat bar sliding sleeve; 12. a connecting rod; 13. turning plate; 14. a front wheel; 15. a rear wheel; 16. a brake plate; 17. a foot pedal.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples:
embodiment one:
referring to fig. 1 to 4, a foldable stroller comprises a stroller frame body and a roller set arranged below the stroller frame body, wherein the stroller frame body comprises two front brackets 1, two rear brackets 2, two push rods 3, two first connecting rods 4, two second connecting rods 5, two side wall rods 6, two bracket connecting pieces 7 and two positioning mechanisms, the lower ends of the push rods are hinged with the upper ends of the second connecting rods, the lower ends of the second connecting rods are hinged with the side walls of the upper ends of the rear brackets, the upper ends of the side wall rods are hinged with the side walls of the lower ends of the push rods, the lower ends of the side wall rods are hinged with the upper ends of the rear brackets through bracket connecting pieces, the lower ends of the bracket connecting pieces are hinged with the upper ends of the front brackets, one ends of the first connecting rods are hinged with the side walls of the rear brackets, the other ends of the first connecting rods are hinged with the side walls of the front brackets, the push rods, the second connecting rods, the rear brackets and the side wall connecting pieces form a fourth structure, and the side wall connecting pieces, the first connecting rods, the fourth connecting rods and the side wall connecting pieces are hinged with the positioning mechanisms are arranged at the positions of the side walls.
In the baby stroller, when the baby stroller is in an open state, the positioning mechanism fixedly connects the side wall bar and the push rod to form an integrated structure, at the moment, the push rod, the second connecting rod, the rear bracket and the side wall bar actually form a stable triangle structure, the included angle between the second connecting rod and the rear bracket cannot be changed, the two connecting rods form a stable connection relationship, and a stable triangle supporting relationship is formed in the second four-connecting-rod structure of the rear bracket, the first connecting rod, the front bracket and the bracket connecting piece, so that the stable supporting state of the whole stroller frame is realized, and the baby stroller is in a stable open state; when folding, open positioner, can the atress take place relative rotation between second connecting rod and the push rod, at this moment, push rod forward, the first four-bar linkage at second connecting rod, rear bracket and side wall pole place changes, the contained angle between push rod and the side wall pole is enlarged to being close to the flat angle, contained angle between side wall pole and the rear bracket can reduce and be close to 0, simultaneously the second four-bar linkage also changes because of the contained angle changes between rear bracket and the side wall pole, rear bracket upper portion and bracket connection spare department contained angle grow slowly, under the effect of first connecting rod, the front bracket lower extreme rotates towards the rear bracket direction, the front bracket is close to with the parallel with the second connecting rod towards the inboard direction of four-bar linkage at two place, so this four-bar linkage finally forms the class linear structure that overlaps together, so whole frame is folded together, because whole frame has formed the three-fold structure of "Z" shape, it is very little for whole frame body folding back volume, be convenient for deposit and carry, it fold and open only need operate positioning mechanism can, convenient operation, support when supporting by two stable triangle-shaped structures when using.
The cart frame body further comprises a front handrail 9, the front handrail is of a U-shaped structure, the side wall of the front handrail is hinged to the second connecting rod and the side wall rod respectively, the front handrail can be used for being held when a baby is taken by the cart, meanwhile, the front handrail can also play a blocking role on the baby, the baby is prevented from falling out of the cart, the front handrail is hinged to the side wall of the second connecting rod, front handrail linkage is achieved when the folding is achieved, and the front handrail does not need to be detached.
The stroller frame body further comprises a seat rod 10 and a seat rod sliding sleeve 11, the seat rod sliding sleeve is fixedly arranged at the hinged position of the support connecting piece and the rear support, one end of the seat rod is slidably arranged in the seat rod sliding sleeve in a penetrating mode, the other end of the seat rod is hinged to the side wall of the lower end of the second connecting rod, the seat rod, the second connecting rod and the seat rod sliding sleeve and the rear support on the second connecting rod form a triangular structure, the side length of the seat rod of the triangular structure can be changed, when the stroller is folded, due to the fact that the included angle between the rear support and the second connecting rod is increased, the seat rod slides in the seat rod sliding sleeve, the side length of the seat rod is increased, a folding state is formed, the seat rod is used for forming the support of a seat in the stroller, the stroller seat is flat and comfortable when riding, deformation is not easy to occur, and the seat is not easy to damage.
A connecting rod 12 is fixedly arranged between the side walls of the two seat posts and is used for fixing the two seat posts and reinforcing the support of the seat.
The seat rod is fixedly provided with a turning plate 13 at one end penetrating through the seat rod sliding sleeve, and an included angle of 90 degrees is preferred between the turning plate and the seat rod.
The roller set comprises two front wheels 14 and two rear wheels 15, wherein the front wheels are arranged at the lower end of the front support, the rear wheels are coaxially connected with the lower end of the rear support through a rear wheel shaft, and brake plates 16 are arranged at the lower end of the front support and the rear wheel shaft.
The hinge position of one end of the first connecting rod and the side wall of the rear bracket is located between the hinge position of the side wall of the upper end of the rear bracket and the lower end of the second connecting rod and between the hinge position of the side wall of the upper end of the rear bracket and the lower end of the rear bracket.
The hinge position of the other end of the first connecting rod and the side wall of the front support is located between the hinge position of the lower end of the support connecting piece and the upper end of the front support and the lower end of the front support.
Specifically, positioning mechanism includes folding button 8, rope, spacer pin and an elastic component, the spacer pin is located in the push rod and have along the radial degree of freedom of push rod, elastic component one end is fixed to be located in the push rod, the elastic component other end supports spacer pin terminal surface, the spacer pin other end stretches out the push rod outside, be equipped with a U-shaped jack on the side wall of the side wall pole, the spacer pin other end with U-shaped jack position is just right and inserts in this jack, folding button install in on the push rod lateral wall, folding button with rope one end fixed connection, the rope other end with spacer pin one end fixed connection, the rope slides and wears to locate in the push rod.
When the side wall rod is folded, the folding button is only pressed to drive the rope to slide, so that the limiting pin is pulled to compress the U-shaped jack on the side wall of the side wall rod to withdraw from the U-shaped jack, and further the relative rotation of the side wall rod and the push rod is realized; when the frame body of the trolley is opened, when the side wall rod rotates to the position of the U-shaped jack and the position of the limiting pin is aligned, the limiting pin is automatically inserted into the U-shaped jack of the side wall rod under the action of the elastic force of the elastic piece to realize the stop connection of the side wall rod and the push rod, so that the stable support of the trolley frame is realized.
A pedal 17 is also fixedly arranged between the side walls of the two front brackets, so that the infant can pedal conveniently.
The foregoing embodiments are merely illustrative of the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and to implement the same, not to limit the scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. A collapsible stroller characterized by: including the shallow frame body and locate the gyro wheel group of shallow frame body below, the shallow frame body includes two fore-stock, two backseat, two push rods, two first connecting rods, two second connecting rods, two side wall bars, two support connection spare and two positioning mechanism to the shallow frame body opens the direction of use and uses as the benchmark, the push rod lower extreme with second connecting rod upper end articulates, the second connecting rod lower extreme with backseat upper end lateral wall articulates, side wall bar upper end with push rod lower extreme lateral wall articulates, side wall bar lower extreme through support connection spare with the backseat upper end articulates, support connection spare lower extreme with the fore-stock upper end articulates, first connecting rod one end with the backseat lateral wall articulates, the first connecting rod other end with the fore-stock lateral wall articulates, push rod, second connecting rod, backseat and side wall bar constitute first four connecting rod structures, rear bracket, first connecting rod, fore-stock and support connection spare constitute the fourth connecting rod structure, positioning mechanism locates the side wall hinge.
2. The collapsible stroller of claim 1, wherein: the cart frame body further comprises a front handrail, the front handrail is of a U-shaped structure, and the side wall of the front handrail is hinged with the second connecting rod and the side wall rod respectively.
3. The collapsible stroller of claim 1, wherein: the trolley frame body further comprises a seat rod and a seat rod sliding sleeve, the seat rod sliding sleeve is fixedly arranged at the hinge position of the support connecting piece and the rear support, one end of the seat rod is slidably arranged in the seat rod sliding sleeve in a penetrating mode, and the other end of the seat rod is hinged to the side wall of the lower end of the second connecting rod.
4. A collapsible stroller according to claim 3, wherein: a connecting rod is fixedly arranged between the side walls of the two seat rods.
5. A collapsible stroller according to claim 3, wherein: one end of the seat rod, which penetrates through the seat rod sliding sleeve, is fixedly provided with a turning plate.
6. The collapsible stroller of claim 1, wherein: the roller set comprises two front wheels and two rear wheels, wherein the front wheels are arranged at the lower end of the front support, the rear wheels are coaxially connected with the lower end of the rear support through rear wheel shafts and are arranged at the lower end of the rear support, and brake plates are arranged at the lower end of the front support and on the rear wheel shafts.
7. The collapsible stroller of claim 1, wherein: the hinge position of one end of the first connecting rod and the side wall of the rear bracket is located between the hinge position of the side wall of the upper end of the rear bracket and the lower end of the second connecting rod and between the hinge position of the side wall of the upper end of the rear bracket and the lower end of the rear bracket.
8. The collapsible stroller of claim 1, wherein: the hinge position of the other end of the first connecting rod and the side wall of the front support is located between the hinge position of the lower end of the support connecting piece and the upper end of the front support and the lower end of the front support.
9. The collapsible stroller of claim 1, wherein: the positioning mechanism comprises a folding button, a rope, a limiting pin and an elastic piece, wherein the limiting pin is arranged in the push rod and has radial freedom degree along the push rod, one end of the elastic piece is fixedly arranged in the push rod, the other end of the elastic piece abuts against one end face of the limiting pin, the other end of the limiting pin extends out of the push rod, a U-shaped jack is arranged on the side wall of the side wall rod, the other end of the limiting pin is opposite to the U-shaped jack in position and is inserted into the jack, the folding button is arranged on the outer side wall of the push rod, the folding button is fixedly connected with one end of the rope, the other end of the rope is fixedly connected with one end of the limiting pin, and the rope is slidably arranged in the push rod in a penetrating mode.
10. The collapsible stroller of claim 1, wherein: and a pedal is also fixedly arranged between the side walls of the two front brackets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610669445.8A CN107054432B (en) | 2016-08-16 | 2016-08-16 | Foldable baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610669445.8A CN107054432B (en) | 2016-08-16 | 2016-08-16 | Foldable baby carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107054432A CN107054432A (en) | 2017-08-18 |
| CN107054432B true CN107054432B (en) | 2023-06-20 |
Family
ID=59617110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610669445.8A Active CN107054432B (en) | 2016-08-16 | 2016-08-16 | Foldable baby carriage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107054432B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605600B (en) * | 2019-02-25 | 2022-09-09 | 明门瑞士股份有限公司 | Baby carriage frame and baby carriage |
| RU2744777C1 (en) * | 2019-10-07 | 2021-03-15 | Сан Чин ЛЮ | Stroller |
| CN110843899B (en) * | 2019-12-13 | 2024-09-10 | 太仓新奇乐婴儿用品有限公司 | Push rod front-back reversing structure for baby carriage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001088709A (en) * | 1999-09-27 | 2001-04-03 | Combi Corp | Folding stroller |
| CN101376396A (en) * | 2007-08-30 | 2009-03-04 | 凯特尔塑料有限公司 | Multi-purpose wheelbarrow |
| CN204196978U (en) * | 2014-10-28 | 2015-03-11 | 昆山威凯儿童用品有限公司 | The skeleton of Foldable baby go-cart |
| CN204222935U (en) * | 2014-11-13 | 2015-03-25 | 昆山威凯儿童用品有限公司 | Foldable baby stroller |
| CN205971435U (en) * | 2016-08-16 | 2017-02-22 | 汉川市凯特塑料制品有限公司 | Collapsible baby's shallow |
-
2016
- 2016-08-16 CN CN201610669445.8A patent/CN107054432B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001088709A (en) * | 1999-09-27 | 2001-04-03 | Combi Corp | Folding stroller |
| CN101376396A (en) * | 2007-08-30 | 2009-03-04 | 凯特尔塑料有限公司 | Multi-purpose wheelbarrow |
| CN204196978U (en) * | 2014-10-28 | 2015-03-11 | 昆山威凯儿童用品有限公司 | The skeleton of Foldable baby go-cart |
| CN204222935U (en) * | 2014-11-13 | 2015-03-25 | 昆山威凯儿童用品有限公司 | Foldable baby stroller |
| CN205971435U (en) * | 2016-08-16 | 2017-02-22 | 汉川市凯特塑料制品有限公司 | Collapsible baby's shallow |
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| Publication number | Publication date |
|---|---|
| CN107054432A (en) | 2017-08-18 |
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Address after: 432300 Hanjiang Bridge, Binhu Avenue, Hanchuan City, Xiaogan, Hubei Province Applicant after: HANCHUAN KAITE PLASTIC PRODUCTS CO.,LTD. Address before: 432300 Hanjiang Bridge, Binhu Avenue, Hanchuan City, Xiaogan, Hubei Province Applicant before: HANCHUAN KAITE PLASTIC PRODUCTS CO.,LTD. |
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