CN108715183B - Baby carriage - Google Patents
Baby carriage Download PDFInfo
- Publication number
- CN108715183B CN108715183B CN201810508148.4A CN201810508148A CN108715183B CN 108715183 B CN108715183 B CN 108715183B CN 201810508148 A CN201810508148 A CN 201810508148A CN 108715183 B CN108715183 B CN 108715183B
- Authority
- CN
- China
- Prior art keywords
- rear wheel
- wheel support
- rod
- front wheel
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000003813 thumb Anatomy 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/08—Braking mechanisms; Locking devices against movement
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a baby stroller, which comprises a stroller frame, a front wheel assembly arranged at the front part of the bottom of the stroller frame, a rear wheel assembly arranged at the rear part of the bottom of the stroller frame, wherein the stroller frame comprises a front wheel support and a rear wheel support which are rotationally connected, a push rod with the lower end part rotationally connected with the upper end part of the front wheel support, a back stay rod with the lower end part rotationally connected with the lower end part of the rear wheel support and the upper end part rotationally connected with the push rod, and a sitting frame arranged below a connecting point of the front wheel support and the rear wheel support. The baby stroller has the self-locking function at the riding part, so that the riding space of a baby is not extruded in the walking process of the baby stroller; meanwhile, the folding function is realized, and the riding part can be released from the self-locking only by manually lifting the riding part from the front end of the cart when the folding type folding cart is not used, so that the folding type folding cart is safe to use; and the baby stroller is provided with a brake device, and the stopping and the walking of the baby stroller are easily realized through the contact or separation with the rear wheels.
Description
Technical Field
The invention relates to the field of seats, in particular to a baby stroller.
Background
When the infant who has not been adapted to independently walk for a long time goes out, parents or guardians can all take the baby stroller with them, put the baby in it, baby stroller is in front, parents or guardians walk behind the shallow, because the barrier of baby stroller sight, or subjective distraction or carelessness, when there is protruding barrier in the road the place ahead, baby stroller among the prior art produces the distance reduction between front and back wheel easily when going forward to be hindered, the baby originally suitable condition that takes the space to reduce, can lead to baby's health to receive the extrusion, take place the physical injury that should not have.
Disclosure of Invention
The invention aims to provide a baby stroller, which can overcome the defects of the prior art, so that the riding part of the baby stroller has a self-locking function, and the riding space of a baby is ensured not to be extruded in the walking process of the baby stroller; meanwhile, the folding function is achieved, the riding part can be lifted up manually from the front end of the cart only when the folding type folding cart is not used, folding is achieved, and the folding type folding cart is safe to use.
The technical aim of the invention is realized by the following technical scheme:
the utility model provides a baby stroller, includes the shallow frame, locates the front wheel subassembly of the bottom front portion of shallow frame locates the rear wheel subassembly of the bottom rear portion of shallow frame, the shallow frame including rotate front wheel support and the rear wheel support of connection, lower tip with the push rod of the upper end rotation connection of front wheel support, lower tip with the lower tip rotation connection of rear wheel support and upper end with the back vaulting pole of push rod rotation connection, locate the front wheel support with the seat frame of rear wheel support's tie point below.
The front wheel support and the rear wheel support are connected, the front wheel support and the push rod are connected, the back support rod and the front wheel support are connected with the rear wheel support, a four-bar mechanism is formed by the four connecting points, when the baby stroller is folded, the front wheel assembly and the rear wheel assembly are close to each other, and the push rod rotates downwards by taking the connecting point of the push rod and the front wheel support as the axial direction, so that the folding function of the baby stroller is realized.
Preferably, the seat frame comprises a seat rod with the rear end rotationally connected with the rear wheel support, the front end rotationally connected with the front wheel support, and the rear end rotationally connected with a side stay bar in the middle of the seat rod.
Preferably, the front wheel support is provided with a receiving rod for supporting the front end of the sitting rod in a flat state.
Preferably, the connection point of the front end of the temple bar and the front wheel bracket is located above the connection point of the receiving bar and the front wheel bracket.
The connecting point of the side stay and the front wheel support, the connecting point of the side stay and the seat rod, the connecting point of the seat rod and the rear wheel support and the connecting point of the front wheel support and the rear wheel support form another four-bar mechanism, when the seat frame is horizontally placed and is abutted against the bearing rod, the connecting end of the side stay and the front wheel support is positioned above the seat rod, and an included angle of more than 180 degrees is formed in a space below the seat rod at the position of the seat rod part behind the connecting point of the side stay and the side stay, so that when the baby stroller walks forward, the front wheel or the front wheel support walks backwards, and the rear wheel or the rear wheel support is impacted, the side stay forms downward acting force on the seat rod; the sitting rod is always abutted on the receiving rod, so that the sitting frame is prevented from tilting upwards, and the sitting space is reduced to squeeze the baby on the cart. And in the use process of the cart, the baby with dead weight can press the seat frame on the receiving rod, so that the seat rod is prevented from turning upwards, namely, self-locking failure is prevented, and the safety of the baby in riding is fully ensured. Only when the cart is not used, the front end of the sitting frame is manually pulled up, so that the included angle formed by the rod body of the side stay rod and the sitting rod part behind the connecting point of the side stay rod and the sitting rod in the space below the sitting rod is smaller than 180 degrees, and the cart can be folded.
The two screw rod mechanisms share the rear wheel support, in the folding process, the sitting rod is folded upwards to drive the front wheel support to draw close to the rear wheel support, the push rod is folded downwards, the push rod and the back rod are also folded towards the rear wheel support along with the upward turning of the sitting rod, the two four-rod structures are linked, other rod pieces and the support are drawn close by taking the rear wheel support as a reference at the same time, the folding process is simple and rapid, the operation is convenient, and the occupied space after folding is small.
Preferably, the connection point of the rear end of the sitting bar and the rear wheel bracket is positioned between the connection point of the front wheel bracket and the rear wheel bracket and the connection point of the lower end of the back support bar and the rear wheel bracket.
The cart is compact in structure and reasonable in layout.
Preferably, the sum of the distance from the connection point of the front wheel bracket to the push rod to the connection point of the rear wheel bracket to the front wheel bracket and the distance from the connection point of the front wheel bracket to the rear wheel bracket to the connection point of the back stay to the rear wheel bracket is equal to the sum of the distance from the connection point of the front wheel bracket to the push rod to the connection point of the back stay to the push rod and the distance from the connection point of the back stay to the push rod to the connection point of the back stay to the rear wheel bracket.
Ensure that the push rod, the back stay rod, the rear wheel bracket and the front wheel bracket are completely flatly attached and folded.
Preferably, the ratio of the distance from the connection point of the temple bar to the front wheel bracket to the connection point of the temple bar to the seat bar to the connection point of the seat bar to the rear wheel bracket is equal to the ratio of the distance from the connection point of the temple bar to the front wheel bracket to the connection point of the front wheel bracket to the rear wheel bracket to the distance from the connection point of the front wheel bracket to the rear wheel bracket to the connection point of the seat bar to the rear wheel bracket.
Ensure smooth folding and unfolding of the seat frame.
Preferably, the sitting bars are arranged as a mirror image pair along the width direction of the cart, and a first transverse connecting bar is arranged between the sitting bars; the back support rods are arranged in a mirror image mode along the width direction of the cart, and a second transverse connecting rod is arranged between the back support rods.
The sitting frame and the backrest of the cart have reliable supporting force, and are suitable for infants with different weights to sit.
Preferably, the top end of the push rod is fixedly connected with a hand lever.
The force application of the baby stroller by the guardian is facilitated, and a proper force application point is provided for the folding stroller after the front end of the sitting frame is pulled up.
Preferably, the rear wheel assembly comprises a rear wheel, and a brake device for locking the rear wheel is arranged at the lower end of the rear wheel bracket; the brake device comprises a base plate, a brake plate connected to one end of the base plate and facing the rear wheel, an operating plate connected to the other end of the base plate and facing away from the rear wheel, and a connecting assembly for rotationally connecting the base plate to the rear wheel bracket.
The front wheel assembly comprises front wheels, the front wheels are universal wheels, the rear wheels are directional wheels, one or two front wheels are generally arranged, two rear wheels are generally arranged, and the arrangement of the rear directional wheels of the front universal wheels can enable the baby stroller to move flexibly and has small rotating radius.
The whole brake device is a rotating piece which is rotationally connected to the lower side of the rear wheel bracket, the base plate is rotationally connected to the rear wheel bracket through a connecting component, and the connecting component can be a screw and a spring washer, so that the base plate and the rear wheel bracket are fixedly connected and can be stopped and stabilized when rotating to any position; the braking plate is a thin plate which is vertically arranged and is used for being inserted into the hub of the rear wheel, and the rear wheel is in a style similar to a spoke wheel, so that the braking plate can be smoothly inserted between two spokes, and the function of preventing the rear wheel from rotating is realized; the operation plate is a thin plate which is horizontally arranged and at least has the width of one thumb of an adult, so that the brake plate is convenient and easy to contact or separate from the rear wheel.
Preferably, a safety belt for fixing the upper body of the infant on the backrest is arranged between the two back support rods.
Provides more comprehensive protection for the baby and prevents the baby from turning out of the cart.
In summary, the invention has the following beneficial effects:
the baby stroller is characterized in that a self-locking structure is formed at a riding part, the riding space is prevented from being influenced by external impact force in the process of riding the baby stroller, and the self-locking structure can be released only by manually pulling the front end of the sitting frame when no person rides, and has the advantages of strong self-locking capability, simple and reliable structure and convenience in folding.
The baby stroller is provided with the brake device which is arranged on the rear wheel bracket, has simple and reliable structure and simple operation, and can easily realize the stop and the walking of the baby stroller through the contact or the separation with the rear wheels.
Drawings
FIG. 1 is a schematic view of the stroller in a sitting position;
FIG. 2 is a schematic view of the stroller in a collapsed state;
FIG. 3 is a schematic view of the brake device in contact with the rear wheel;
fig. 4 is a schematic structural view of the brake device when it is disengaged from the rear wheel.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and preferred embodiments.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Examples: as shown in fig. 1, a stroller comprises a stroller frame 1, a front wheel assembly 2 arranged at the front bottom part of the stroller frame, a rear wheel assembly 3 arranged at the rear bottom part of the stroller frame, wherein the stroller frame comprises a front wheel bracket 4 and a rear wheel bracket 5 which are rotationally connected, a push rod 6 with the lower end part rotationally connected with the upper end part of the front wheel bracket, a back stay 7 with the lower end part rotationally connected with the lower end part of the rear wheel bracket and the upper end part rotationally connected with the push rod, and a seat frame 8 arranged below the connecting point of the front wheel bracket and the rear wheel bracket.
The seat frame comprises a seat rod 81 with the rear end rotatably connected with the rear wheel bracket, a front end rotatably connected with the front wheel bracket and a side stay 82 with the rear end rotatably connected with the middle part of the seat rod.
The front wheel bracket is provided with a receiving rod 41 for supporting the front end of the sitting rod in a flat state.
The connecting point of the front end of the side stay rod and the front wheel bracket is positioned above the connecting point of the receiving rod and the front wheel bracket.
The connecting point of the rear end of the sitting rod and the rear wheel bracket is positioned between the connecting point of the front wheel bracket and the rear wheel bracket and the connecting point of the lower end part of the back stay rod and the rear wheel bracket.
The sum of the distance from the connection point of the front wheel support and the push rod to the connection point of the rear wheel support and the front wheel support and the distance from the connection point of the front wheel support and the rear wheel support to the connection point of the back support and the rear wheel support is equal to the sum of the distance from the connection point of the front wheel support and the push rod to the connection point of the back support and the push rod and the distance from the connection point of the back support and the push rod to the connection point of the back support and the rear wheel support.
The ratio of the distance from the connecting point of the side stay and the front wheel support to the connecting point of the side stay and the seat post to the connecting point of the seat post and the rear wheel support is equal to the ratio of the distance from the connecting point of the side stay and the front wheel support to the connecting point of the front wheel support and the rear wheel support to the connecting point of the seat post and the rear wheel support.
The sitting bars are arranged as a mirror image pair along the width direction of the trolley, and a first transverse connecting rod 811 is arranged between the sitting bars; the back struts are arranged as mirror images in the width direction of the trolley, and a second transverse connecting rod 71 is arranged between the back struts.
A hand lever 61 is fixedly connected to the top end of the push rod.
The rear wheel assembly comprises a rear wheel, and a brake device 9 for locking the rear wheel is arranged at the lower end of the rear wheel bracket; the brake device comprises a base plate 91, a braking plate 92 connected to one end of the base plate and facing the rear wheel, an operating plate 93 connected to the other end of the base plate and facing away from the rear wheel, and a connecting assembly 94 for rotatably connecting the base plate to the rear wheel support, wherein the connecting assembly can be a screw and a spring washer.
A safety belt for fixing the upper body of the infant on the backrest is also arranged between the two back support rods.
Claims (9)
1. The utility model provides a baby stroller, includes shallow frame (1), locates front wheel subassembly (2) of the bottom front portion of shallow frame, locates rear wheel subassembly (3) of the bottom rear portion of shallow frame, its characterized in that: the cart frame comprises a front wheel support (4) and a rear wheel support (5) which are rotationally connected, a push rod (6) with the lower end part rotationally connected with the upper end part of the front wheel support, a back support rod (7) with the lower end part rotationally connected with the lower end part of the rear wheel support and the upper end part rotationally connected with the push rod, and a sitting frame (8) arranged below the connecting point of the front wheel support and the rear wheel support; the sum of the distance from the connection point of the front wheel support and the push rod to the connection point of the rear wheel support and the front wheel support and the distance from the connection point of the front wheel support and the rear wheel support to the connection point of the back support and the rear wheel support is equal to the sum of the distance from the connection point of the front wheel support and the push rod to the connection point of the back support and the push rod and the distance from the connection point of the back support and the push rod to the connection point of the back support and the rear wheel support.
2. A stroller according to claim 1, wherein: the seat frame comprises a seat rod (81) with the rear end rotatably connected with the rear wheel support, the front end rotatably connected with the front wheel support, and the rear end rotatably connected with a side stay rod (82) in the middle of the seat rod.
3. A stroller according to claim 2, wherein: the front wheel bracket is provided with a bearing rod (41) for bearing the front end of the sitting rod in a flat state.
4. A stroller according to claim 3, wherein: the connecting point of the front end of the side stay rod and the front wheel bracket is positioned above the connecting point of the bearing rod and the front wheel bracket.
5. A stroller according to claim 2, wherein: the connecting point of the rear end of the sitting rod and the rear wheel bracket is positioned between the connecting point of the front wheel bracket and the rear wheel bracket and the connecting point of the lower end part of the back support rod and the rear wheel bracket.
6. A stroller according to claim 2, wherein: the ratio of the distance from the connecting point of the side stay and the front wheel support to the connecting point of the side stay and the seat post to the connecting point of the seat post and the rear wheel support is equal to the ratio of the distance from the connecting point of the side stay and the front wheel support to the connecting point of the front wheel support and the rear wheel support to the connecting point of the seat post and the rear wheel support.
7. A stroller according to claim 2, wherein: the sitting bars are arranged in a mirror image pair along the width direction of the cart, and a first transverse connecting rod (811) is arranged between the sitting bars; the back support rods are arranged in a mirror image pair along the width direction of the cart, and a second transverse connecting rod (71) is arranged between the back support rods.
8. A stroller according to claim 1, wherein: the top end of the push rod is fixedly connected with a hand lever (61).
9. A stroller according to claim 1, wherein: the rear wheel assembly comprises a rear wheel, and a brake device (9) for locking the rear wheel is arranged at the lower end of the rear wheel bracket; the brake device comprises a base plate (91), a braking plate (92) connected to one end of the base plate and facing the rear wheel, an operating plate (93) connected to the other end of the base plate and facing away from the rear wheel, and a connecting assembly (94) for rotatably connecting the base plate to the rear wheel bracket.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018204184417 | 2018-03-27 | ||
| CN201820418441 | 2018-03-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108715183A CN108715183A (en) | 2018-10-30 |
| CN108715183B true CN108715183B (en) | 2023-12-08 |
Family
ID=63900221
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820782757.4U Expired - Fee Related CN208731059U (en) | 2018-03-27 | 2018-05-24 | A kind of stroller |
| CN201810508148.4A Active CN108715183B (en) | 2018-03-27 | 2018-05-24 | Baby carriage |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820782757.4U Expired - Fee Related CN208731059U (en) | 2018-03-27 | 2018-05-24 | A kind of stroller |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN208731059U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208731059U (en) * | 2018-03-27 | 2019-04-12 | 张浩敏 | A kind of stroller |
| CN110588755B (en) * | 2019-08-16 | 2024-05-10 | 好孩子儿童用品有限公司 | Child cart |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53108061U (en) * | 1977-02-04 | 1978-08-30 | ||
| US6152476A (en) * | 1999-07-07 | 2000-11-28 | Huang; Tsung-Ming | Folding collapsible baby stroller |
| EP1057709A2 (en) * | 1999-05-25 | 2000-12-06 | 634182 Alberta Ltd. | Stroller |
| CN203032741U (en) * | 2012-12-07 | 2013-07-03 | 好孩子儿童用品有限公司 | Reversible and foldable stroller |
| TW201507904A (en) * | 2013-04-04 | 2015-03-01 | Combi Corp | Stroller |
| CN204488876U (en) * | 2015-03-02 | 2015-07-22 | 昆山倍凯斯儿童用品有限公司 | A kind of Foldable baby stroller vehicle frame |
| CN208731059U (en) * | 2018-03-27 | 2019-04-12 | 张浩敏 | A kind of stroller |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5432787B2 (en) * | 2010-03-23 | 2014-03-05 | アップリカ・チルドレンズプロダクツ株式会社 | Folding baby carriage |
| CN102923174B (en) * | 2012-10-31 | 2015-10-21 | 好孩子儿童用品有限公司 | Child stroller |
-
2018
- 2018-05-24 CN CN201820782757.4U patent/CN208731059U/en not_active Expired - Fee Related
- 2018-05-24 CN CN201810508148.4A patent/CN108715183B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53108061U (en) * | 1977-02-04 | 1978-08-30 | ||
| EP1057709A2 (en) * | 1999-05-25 | 2000-12-06 | 634182 Alberta Ltd. | Stroller |
| US6152476A (en) * | 1999-07-07 | 2000-11-28 | Huang; Tsung-Ming | Folding collapsible baby stroller |
| CN203032741U (en) * | 2012-12-07 | 2013-07-03 | 好孩子儿童用品有限公司 | Reversible and foldable stroller |
| TW201507904A (en) * | 2013-04-04 | 2015-03-01 | Combi Corp | Stroller |
| CN204488876U (en) * | 2015-03-02 | 2015-07-22 | 昆山倍凯斯儿童用品有限公司 | A kind of Foldable baby stroller vehicle frame |
| CN208731059U (en) * | 2018-03-27 | 2019-04-12 | 张浩敏 | A kind of stroller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN208731059U (en) | 2019-04-12 |
| CN108715183A (en) | 2018-10-30 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231113 Address after: 277 200 11 blocks, 539, north of Beijing Road, Shanting District, Zaozhuang City, Shandong Province Applicant after: HUANGJINBAOBEI CHILDREN SUPPLIES Co.,Ltd. Address before: 315200 Zhejiang city of Ningbo province Zhenhai Zhaobaoshan Street Onishi road 429 Lane 19, room 602 Applicant before: Zhang Haomin |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |