CN110325427B - Large joint structure of baby carriage - Google Patents
Large joint structure of baby carriage Download PDFInfo
- Publication number
- CN110325427B CN110325427B CN201980000688.4A CN201980000688A CN110325427B CN 110325427 B CN110325427 B CN 110325427B CN 201980000688 A CN201980000688 A CN 201980000688A CN 110325427 B CN110325427 B CN 110325427B
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- handle
- foot
- lock hook
- rear foot
- shell
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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
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
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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)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses a large joint structure of a baby carriage, which comprises a front foot component, a rear foot plate and a handle, wherein the front foot component comprises the front foot plate and a front foot shell; the edge of the tail part of the front foot plate is provided with a groove, and the handle lock hook is movably clamped and connected with the groove of the front foot plate; a second hinge is arranged on the front foot shell, a rear foot lock hook and a rear foot lock hook seat are arranged on the second hinge, a second torsion spring is arranged between the rear foot lock hook and the rear foot lock hook seat, and a return spring is arranged between the rear foot lock hook seat and the front foot shell; the rear foot latch hook is movably clamped and connected with the limiting clamping groove on the rear foot plate. The front foot assembly, the handle and the rear foot are synchronously locked, unfolded and linked, so that the whole structure is more compact, the manufacturing cost is effectively reduced, and the operation is simpler, more convenient and faster.
Description
Technical Field
The invention relates to the technical field of a baby carriage, in particular to a large joint structure of the baby carriage.
Background
The baby carriage large joint structure in the market at present is huge in appearance, tedious, high in production cost and inconvenient to use, the common folding mode of the baby carriage is that the rear foot is used as a fixed point, the handle and the front foot rotate towards the rear foot respectively, the integral structure caused by the mode is not compact enough, the front foot is used as the fixed point in the other mode, the handle and the rear foot rotate towards the front foot respectively, and the locking mode is independent self-locking of the rear foot and the handle, so that the handle and the rear foot cannot be linked.
Disclosure of Invention
The invention aims to solve the technical problem of providing a large joint structure of a baby carriage aiming at the defects of the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme.
A large joint structure of a baby carriage comprises a front foot component, a rear foot plate and a handle, wherein the front foot component comprises the front foot plate and a front foot shell, the handle and the rear foot plate are respectively hinged with the front foot plate in the front foot shell, the handle is provided with an inner cavity, the inner cavity of the handle is provided with a first hinge, a handle lock hook is arranged on the first hinge, a first torsion spring is arranged between the handle lock hook and the inner cavity of the handle, and a pull wire is fixedly connected on the handle lock hook; the edge of the tail part of the front foot plate is provided with a groove, and the handle lock hook is movably clamped and connected with the groove of the front foot plate; a second hinge is arranged on the front foot shell, a rear foot lock hook and a rear foot lock hook seat are arranged on the second hinge, a second torsion spring is arranged between the rear foot lock hook and the rear foot lock hook seat, and a return spring is arranged between the rear foot lock hook seat and the front foot shell; the rear foot latch hook is movably clamped and connected with the limiting clamping groove on the rear foot plate; when the handle is in use, the handle lock hook is clamped on the groove of the front foot plate, the tail part of the handle is pressed on the rear foot lock hook seat, and the rear foot lock hook seat pushes the rear foot lock hook to rotate through the second torsion spring, so that the rear foot lock hook is clamped in the limiting clamping groove of the rear foot plate; when the folding device is in a folding state, the pull wire is pulled to enable the handle lock hook to be separated from the groove on the front foot plate, the handle rotates anticlockwise relative to the front foot assembly, the tail of the handle releases the pressing of the rear foot lock hook seat, the rear foot lock hook seat rotates under the action of the reset spring to drive the rear foot lock hook to be separated from the limiting clamping groove of the rear foot plate, and the unlocking of the rear foot plate is completed.
Preferably, establish the arc wall on the inner chamber wall of preceding foot shell, establish ejection block in the arc wall, the hand (hold) convex ridge is established to the hand (hold) tail end, and back foot convex ridge is established to the back sole tail end, and the both sides of ejection block are put to hand (hold) convex ridge and back foot convex ridge branch, and when the expansion state, the relative front foot subassembly of hand (hold) clockwise rotation, the hand (hold) convex ridge is supported and is pushed up ejection block and slide in the arc wall, and gliding ejection block supports on the back foot convex ridge, promotes the linkage of back foot board, relative front foot subassembly anticlockwise rotation.
Preferably, the back of hand (hold) convex ridge is extended to the circular arc portion, when the relative front foot subassembly of hand (hold) clockwise rotation, the hand (hold) convex ridge promotes ejecting piece and slides and extrudes the back foot convex ridge in the arc wall, make the linkage of back sole rotatory locking position, the hand (hold) convex ridge breaks away from ejecting piece, the back of hand (hold) convex ridge is extended the circular arc portion and is supported in back foot latch hook seat, further rotatory hand (hold), the back of hand (hold) convex ridge is extended the circular arc portion pressfitting back foot latch hook seat, back foot latch hook seat drives the back foot latch hook rotation through the second torsional spring, make back foot latch hook block in the spacing draw-in groove of back foot, the hand (hold) latch hook is under the effect of first torsional spring, the block in preceding foot slot, accomplish the locking.
Preferably, the handle comprises a left handle shell and a right handle shell, the tail parts of the left handle shell and the right handle shell are clamped on two sides of the tail part of the front foot plate, and the plate body of the rear foot plate is sleeved with the rear foot sleeve.
Preferably, the front foot shell comprises a left front foot shell and a right front foot shell, and the tail ends of the left front foot shell and the right front foot shell are clamped on two sides of the tail portions of the left handle shell and the right handle shell.
Preferably, the inner side of the front foot shell is connected with the seat pocket fixing seat, and the outer side of the front foot shell is provided with the decorative cover.
Technical effects
1. The front foot assembly, the handle and the rear foot in the large joint structure of the baby carriage are independently locked, so that the whole structure is more compact, the manufacturing cost is effectively reduced, and the operation is simpler, more convenient and faster.
2. The large joint structure of the baby carriage takes the front foot component as the center, and the handle and the rear foot are unfolded around the front foot component in a linkage way and are folded quickly, so that the manufacturing cost is further reduced, and meanwhile, the whole structure is more compact and firm, and the operation is simpler and quicker.
Drawings
FIG. 1 is a schematic illustration of an explosive structure according to the present invention;
FIG. 2 is a schematic structural diagram of the overall structure of the present invention;
FIG. 3 is a side view of the overall structure of the present invention in a locked state;
FIG. 4 is a schematic cross-sectional view taken at location A-A of FIG. 3;
FIG. 5 is a schematic cross-sectional view at the position B-B in FIG. 3;
FIG. 6 is a side view of the overall structure of the present invention beginning to unlock;
FIG. 7 is a schematic cross-sectional view taken at location A-A of FIG. 6;
FIG. 8 is a schematic cross-sectional view at the position B-B in FIG. 6;
FIG. 9 is a side view of the overall structure of the present invention in a fully unlocked state;
FIGS. 10 and 11 are cross-sectional views of the handle and footboard in various rotational positions of the position of FIG. 9A-A;
FIG. 12 is a side view of the overall structure of the present invention in an expanded state;
FIG. 13 is a cross-sectional view at the location of FIG. 12A-A;
fig. 14 is a schematic cross-sectional view at the position of fig. 12B-B.
Detailed Description
The invention is described in more detail below with reference to the figures and examples.
As shown in fig. 1 to 14, the invention discloses a large joint structure of a stroller, which comprises a front foot component 1, a rear foot board 2 and a handle 3, wherein the front foot component 1 comprises a front foot board 4 and a front foot pedal shell 5, the handle 3 and the rear foot board 2 are respectively hinged with the front foot board 4 in the front foot pedal shell 5, the handle 3 is provided with an inner cavity, the inner cavity of the handle 3 is provided with a first hinge 6, the first hinge 6 is provided with a handle latch hook 7, a first torsion spring 8 is arranged between the handle latch hook 7 and the inner cavity of the handle, and the handle latch hook 7 is fixedly connected with a pull wire 9; a groove 41 is arranged on the edge of the tail part of the front foot plate 4, and the handle lock hook 7 is movably clamped and connected with the groove 41 of the front foot plate 4; a second hinge 10 is arranged on the front foot shell 5, a rear foot lock hook 11 and a rear foot lock hook seat 12 are arranged on the second hinge 10, a second torsion spring 13 is arranged between the rear foot lock hook 11 and the rear foot lock hook seat 12, and a return spring 14 is arranged between the rear foot lock hook seat 12 and the front foot shell 5; the rear foot latch hook 11 is movably clamped and connected with a limiting latch slot 21 on the rear foot plate 2; when the foot plate is in use, the handle lock hook 7 is clamped on the groove of the front foot plate 4, the tail part of the handle 3 is pressed on the rear foot lock hook seat 12, and the rear foot lock hook seat 12 pushes the rear foot lock hook 11 to rotate through the second torsion spring 13, so that the rear foot lock hook 11 is clamped in the limiting clamping groove 21 of the rear foot plate 2; when the folding device is in a folding state, the pull wire 9 is pulled to enable the handle lock hook 7 to be separated from the groove 41 on the front foot plate 4, the handle 3 rotates anticlockwise relative to the front foot assembly 1, the tail of the handle 3 releases the pressing on the rear foot lock hook seat 12, the rear foot lock hook seat 12 rotates under the action of the reset spring 11, the rear foot lock hook 11 is driven to be separated from the limiting clamping groove 21 of the rear foot plate 2, and the unlocking of the rear foot plate 2 is completed. The front foot component 1, the rear foot board 2 and the handle 3 are synchronously locked and unlocked, so that the whole structure is more compact and firm, and the operation is convenient.
On the basis of the scheme, an arc-shaped groove 51 is formed in the inner cavity wall of the front foot shell 5, the ejection block 16 is arranged in the arc-shaped groove 51, the handle convex ridge 31 is arranged at the tail end of the handle 3, the rear foot convex ridge 22 is arranged at the tail end of the rear foot plate 2, the handle convex ridge 31 and the rear foot convex ridge 22 are respectively arranged on two sides of the ejection block 16, when the foldable bicycle is in a unfolded state, the handle 3 rotates clockwise relative to the front foot component 1, the handle convex ridge 31 abuts against the ejection block 16 to slide in the arc-shaped groove 51, the sliding ejection block 16 abuts against the rear foot convex ridge 22 to push the rear foot plate 2 to be linked, and the front foot component 1 rotates anticlockwise relative to the rear foot component. When the folding type foot plate is in a folding state, the rear foot plate 2 and the handle 3 synchronously rotate and unfold under the action of the ejection block 16 to realize linkage, and when the handle 3 is unlocked in the folding state, the rear foot plate 2 clockwise rotates towards the front foot assembly 1 under the action of self gravity and synchronously folds with the handle 3.
Specifically, the rear extension of the handle convex ridge 31 is the circular arc portion 32, when the handle 3 rotates clockwise relative to the front foot component 1, the handle convex ridge 31 pushes the ejection block 16 to slide in the arc-shaped groove 51 and extrude the rear foot convex ridge 22, so that the rear foot plate 2 rotates to the locking position in a linkage manner, the handle convex ridge 31 is separated from the ejection block 16, the rear extension circular arc portion 32 of the handle convex ridge 31 is abutted against the rear foot latch hook seat 12, the handle 3 is further rotated, the rear extension circular arc portion 32 of the handle convex ridge 31 is abutted against the rear foot latch hook seat 12, the rear foot latch hook seat 12 drives the rear foot latch hook 11 to rotate through the second torsion spring 13, so that the rear foot latch hook 11 is engaged with the rear foot limiting slot 21, and the handle latch hook 7 is engaged with the front foot slot 41 under the action of the first torsion spring 8, thereby completing the locking.
Specifically, the handle 3 comprises a left handle shell 33 and a right handle shell 33, the tail parts of the left handle shell 33 and the right handle shell 33 are clamped on two sides of the tail part of the front foot plate 4, and the plate body of the rear foot plate 2 is sleeved with the rear foot sleeve 17.
Specifically, the front foot shell 5 includes a left front foot shell 52 and a right front foot shell 52, and the tail ends of the left front foot shell 52 and the right front foot shell 52 are wrapped and clamped at the two sides of the tail of the left handle shell 33 and the right handle shell 33.
Specifically, the inner side of the front foot shell 5 is connected with a seat pocket fixing seat 18, and the outer side is provided with a decorative cover 19.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the technical scope of the present invention should be included in the scope of the present invention.
Claims (5)
1. A large joint structure of a baby carriage comprises a front foot component, a rear foot plate and a handle, and is characterized in that the front foot component comprises a front foot plate and a front foot shell, the handle and the rear foot plate are respectively hinged with the front foot plate in the front foot shell, the handle is provided with an inner cavity, the inner cavity of the handle is provided with a first hinge, a handle lock hook is arranged on the first hinge, a first torsion spring is arranged between the handle lock hook and the inner cavity of the handle, and a pull wire is fixedly connected on the handle lock hook; the edge of the tail part of the front foot plate is provided with a groove, and the handle lock hook is movably clamped and connected with the groove of the front foot plate; a second hinge is arranged on the front foot shell, a rear foot lock hook and a rear foot lock hook seat are arranged on the second hinge, a second torsion spring is arranged between the rear foot lock hook and the rear foot lock hook seat, and a return spring is arranged between the rear foot lock hook seat and the front foot shell; the rear foot latch hook is movably clamped and connected with the limiting clamping groove on the rear foot plate; when the handle is in use, the handle lock hook is clamped on the groove of the front foot plate, the tail part of the handle is pressed on the rear foot lock hook seat, and the rear foot lock hook seat pushes the rear foot lock hook to rotate through the second torsion spring, so that the rear foot lock hook is clamped in the limiting clamping groove of the rear foot plate; when the folding type foot plate is in a folding state, the pull wire is pulled to enable the handle lock hook to be separated from the groove on the front foot plate, the handle rotates anticlockwise relative to the front foot assembly, the tail of the handle releases the press fit on the rear foot lock hook seat, the rear foot lock hook seat rotates under the action of the reset spring to drive the rear foot lock hook to be separated from the limiting clamping groove of the rear foot plate, and the unlocking of the rear foot plate is completed;
establish the arc wall on the inner chamber wall of preceding foot shell, establish ejecting block in the arc wall, the hand (hold) convex ridge is established to the hand (hold) tail end, and the back foot convex ridge is established to back sole tail end, and the both sides of ejecting block are put to hand (hold) convex ridge and back foot convex ridge branch, and when the expansion state, the relative front foot subassembly of hand (hold) clockwise rotation, the hand (hold) convex ridge supports ejecting block and slides in the arc wall, and gliding ejecting block supports on the back foot convex ridge, promotes the linkage of back sole, relative front foot subassembly anticlockwise rotation.
2. The large joint structure of a stroller according to claim 1, wherein the rear extension of the protruding ridge of the handle is an arc portion, when the handle rotates clockwise relative to the front leg assembly, the protruding ridge of the handle pushes the ejection block to slide in the arc groove and press the protruding ridge of the rear leg, so that the rear leg plate rotates to a locked position in a linkage manner, the protruding ridge of the handle is separated from the ejection block, the rear extension arc portion of the protruding ridge of the handle abuts against the rear leg latch hook seat, the handle is further rotated, the rear extension arc portion of the protruding ridge of the handle presses the rear leg latch hook seat, the rear leg latch hook seat drives the rear leg latch hook to rotate through the second torsion spring, so that the rear leg latch hook is engaged with the rear leg limiting slot, and the handle latch hook is engaged with the front leg slot under the action of the first torsion spring, thereby completing the locking.
3. The stroller large joint structure according to claim 2, wherein the handle comprises left and right handle shells, the tail parts of the left and right handle shells are clamped on two sides of the tail part of the front foot plate, and the plate body of the rear foot plate is sleeved with the rear foot sleeve.
4. The stroller large joint structure according to claim 3, wherein the front leg shell comprises a left front leg shell and a right front leg shell, and the tail ends of the left front leg shell and the right front leg shell are wrapped and clamped at the two sides of the tail portions of the left handle shell and the right handle shell.
5. The large joint structure of a stroller according to claim 1, wherein the inner side of the front leg housing is connected to the seat pocket fixing seat and the outer side is provided with a decorative cover.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/087880 WO2020232652A1 (en) | 2019-05-22 | 2019-05-22 | Large-joint structure of baby carriage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110325427A CN110325427A (en) | 2019-10-11 |
| CN110325427B true CN110325427B (en) | 2021-11-12 |
Family
ID=68126373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201980000688.4A Active CN110325427B (en) | 2019-05-22 | 2019-05-22 | Large joint structure of baby carriage |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110325427B (en) |
| WO (1) | WO2020232652A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112678059B (en) * | 2019-10-17 | 2023-06-30 | 明门瑞士股份有限公司 | Baby carriage and synchronous folding mechanism thereof |
| CN113104091B (en) * | 2020-01-10 | 2023-02-21 | 明门(中国)幼童用品有限公司 | Frame folding mechanism, frame locking mechanism, backrest unlocking mechanism and baby carriage |
| CN114536392B (en) * | 2022-02-15 | 2023-07-21 | 上海宇航系统工程研究所 | High-precision high-rigidity self-locking hinge joint device |
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| DE29613874U1 (en) * | 1996-08-10 | 1997-02-20 | Gessler, Ulrike, 20099 Hamburg | Three-wheeled folding stroller |
| CN2512675Y (en) * | 2001-12-17 | 2002-09-25 | 中山隆顺日用制品有限公司 | Controller for closing |
| CN202152060U (en) * | 2011-06-15 | 2012-02-29 | 好孩子儿童用品有限公司 | Rotational joint and a buggy with same |
| GB2497765A (en) * | 2011-12-19 | 2013-06-26 | Teng Mei Sheng | An anti-pinch folding and locking joint for a stroller |
| CN204605907U (en) * | 2015-02-04 | 2015-09-02 | 明门(中国)幼童用品有限公司 | Locking joint and baby carriage frame |
| CN206217960U (en) * | 2016-10-28 | 2017-06-06 | 深圳市飞速精密模具有限公司 | Large joint self-locking and automatic lock rear foot mechanism |
| CN208646941U (en) * | 2018-06-06 | 2019-03-26 | 广东乐美达集团有限公司 | Foldable stroller with cooperating joint locking structure |
| CN109625068A (en) * | 2018-11-08 | 2019-04-16 | 好孩子儿童用品有限公司 | Cradle head and articles for children with it |
| CN210083315U (en) * | 2019-05-22 | 2020-02-18 | 深圳市喜德盛自行车股份有限公司 | Large joint structure of baby carriage |
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| US5765958A (en) * | 1997-03-17 | 1998-06-16 | Lan; Red | Pivot joint for a stroller frame |
| EP2420428B1 (en) * | 2010-08-17 | 2014-02-26 | Europe Brands S.à r.l. | Pivot bearing and frame, in particular pram chassis, containing the pivot bearing |
| CN103963817A (en) * | 2013-01-28 | 2014-08-06 | 珠海优力创工贸有限公司 | Folding joint for baby carriage |
| US8985616B1 (en) * | 2014-06-24 | 2015-03-24 | Yong Xiang Chen | Baby stroller capable of being folded with one hand |
| CN104442984B (en) * | 2014-10-31 | 2016-08-17 | 广东乐美达集团有限公司 | A kind of lower linkage folding joint of the folding baby carrier that links |
| CN105216849B (en) * | 2015-11-13 | 2017-07-11 | 昆山市贝尔儿童用品有限公司 | Baby stroller collection structure |
| CN108082250B (en) * | 2018-01-19 | 2023-09-19 | 昆山市贝尔儿童用品有限公司 | Linkage folding mechanism of children's barrow |
-
2019
- 2019-05-22 WO PCT/CN2019/087880 patent/WO2020232652A1/en active Application Filing
- 2019-05-22 CN CN201980000688.4A patent/CN110325427B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29613874U1 (en) * | 1996-08-10 | 1997-02-20 | Gessler, Ulrike, 20099 Hamburg | Three-wheeled folding stroller |
| CN2512675Y (en) * | 2001-12-17 | 2002-09-25 | 中山隆顺日用制品有限公司 | Controller for closing |
| CN202152060U (en) * | 2011-06-15 | 2012-02-29 | 好孩子儿童用品有限公司 | Rotational joint and a buggy with same |
| GB2497765A (en) * | 2011-12-19 | 2013-06-26 | Teng Mei Sheng | An anti-pinch folding and locking joint for a stroller |
| CN204605907U (en) * | 2015-02-04 | 2015-09-02 | 明门(中国)幼童用品有限公司 | Locking joint and baby carriage frame |
| CN206217960U (en) * | 2016-10-28 | 2017-06-06 | 深圳市飞速精密模具有限公司 | Large joint self-locking and automatic lock rear foot mechanism |
| CN208646941U (en) * | 2018-06-06 | 2019-03-26 | 广东乐美达集团有限公司 | Foldable stroller with cooperating joint locking structure |
| CN109625068A (en) * | 2018-11-08 | 2019-04-16 | 好孩子儿童用品有限公司 | Cradle head and articles for children with it |
| CN210083315U (en) * | 2019-05-22 | 2020-02-18 | 深圳市喜德盛自行车股份有限公司 | Large joint structure of baby carriage |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020232652A1 (en) | 2020-11-26 |
| CN110325427A (en) | 2019-10-11 |
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