CN108284868B - Pedal extending structure of baby carriage - Google Patents

Pedal extending structure of baby carriage Download PDF

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Publication number
CN108284868B
CN108284868B CN201810150083.0A CN201810150083A CN108284868B CN 108284868 B CN108284868 B CN 108284868B CN 201810150083 A CN201810150083 A CN 201810150083A CN 108284868 B CN108284868 B CN 108284868B
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CN
China
Prior art keywords
frame
assembly
pedal
rod
cushion
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Application number
CN201810150083.0A
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Chinese (zh)
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CN108284868A (en
Inventor
李伟琼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Vigorkids Child Products Co ltd
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Suzhou Vigorkids Child Products Co ltd
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Priority to CN201810150083.0A priority Critical patent/CN108284868B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/08Carriages 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
    • B62B7/083Carriages 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 the wheel axes being moved from each other during folding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/08Carriages 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
    • B62B7/086Carriages 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 becoming smaller in all three dimensions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00Hand-propelled vehicles or sledges being foldable or dismountable when not in use

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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 pedal extending structure of a baby stroller, which comprises a front bracket component, a rear bracket component and a cushion rod, wherein the front part of the cushion rod is turned upwards when a frame is folded, the front part of the cushion rod is provided with a pedal extending part which can rotate relative to the cushion rod, a stay bar is rotatably connected to the front bracket component, and the upper part of the stay bar is movably connected with the pedal extending part; when the frame is unfolded and the pedal extension part is in a use state, the stay bar is supported below the front part of the pedal extension part, so that the pedal extension part extends forwards on the front side of the cushion rod, and the pedal extension part, the cushion rod, the stay bar and the front bracket component form a stable triangle; when the frame is unfolded and the pedal extension part is in a non-use state, the stay bar releases the pedal extension part, and the pedal extension part is hung on the front side of the cushion bar; when the frame is folded, the front bracket component and the rear bracket component are mutually folded, the front part of the cushion rod is turned upwards, and the stay rod drives the pedal extension part to be turned backwards and folded; the folding bicycle frame is simple in structure, and the pedal extension part can be automatically folded when the bicycle frame is folded.

Description

Pedal extending structure of baby carriage
Technical Field
The invention relates to a baby stroller.
Background
The baby stroller is used by a large number of users as a necessary tool for the infant to travel. At present, users pay more attention to the characteristics of small size, portability, foldability and the like of the baby stroller in addition to the basic requirement of pursuing the stability and the safety of the baby stroller.
The baby stroller in the prior art comprises a frame with an unfolding position and a folding position, a front wheel assembly arranged at the front part of the bottom of the frame, a rear wheel assembly arranged at the rear part of the bottom of the frame, a locking mechanism for locking the frame at the unfolding position, and a seat pocket mechanism arranged on the frame and used for taking a person. The existing seat pocket mechanism comprises a seat cushion rod, and when the frame is folded, the front part of the seat cushion rod is basically turned upwards. In order to improve riding comfort and practicality, a part of the frame is provided with a pedal extending part, but when the frame is folded, the pedal extending part cannot be folded automatically, and auxiliary folding operation is needed manually, so that the bicycle frame is very inconvenient to use and wastes time and labor.
Disclosure of Invention
The invention aims at: provides a pedal extending structure of a baby stroller, which has a simple structure and can realize the automatic folding of pedal extending parts when the stroller frame is folded.
The technical scheme of the invention is as follows: the pedal extending structure of the baby stroller comprises a frame with an unfolding position and a folding position, and a first locking mechanism used for locking the frame when the frame is in the unfolding position, wherein the frame comprises a front bracket assembly, a rear bracket assembly and a cushion rod, the front part of the cushion rod is turned upwards when the frame is folded, the front part of the cushion rod is provided with a pedal extending part which can rotate relative to the cushion rod, a stay bar is connected to the front bracket assembly in a rotating way, and the upper part of the stay bar is movably connected with the pedal extending part;
when the frame is unfolded and the pedal extension part is in a use state, the stay bar is supported below the front part of the pedal extension part, so that the pedal extension part extends forwards on the front side of the cushion rod, and the pedal extension part, the cushion rod, the stay bar and the front bracket component form a stable triangle;
when the frame is unfolded and the pedal extension part is in a non-use state, the stay bar releases the pedal extension part, and the pedal extension part is hung on the front side of the cushion bar;
when the frame is folded, the front bracket component and the rear bracket component are mutually folded, the front part of the cushion rod is turned upwards, and the stay bar drives the pedal extension part to be turned backwards for folding.
Preferably, the bottom of the pedal extension part is provided with a cloth belt which extends back and forth, and the upper part of the stay bar is connected with the cloth belt in a sliding fit manner and can slide back and forth relative to the cloth belt.
Preferably, the frame further comprises a push rod assembly, a front wheel assembly arranged below the front support assembly and a rear wheel assembly arranged below the rear support assembly, wherein the lower end of the push rod assembly and the upper end of the front support assembly are respectively and rotatably connected with the upper end of the rear support assembly, the front support assembly is rotatably connected with a front linkage member, the rear support assembly is rotatably connected with a rear linkage member, the rear end of the front linkage member is rotatably connected with the front end of the rear linkage member, the cushion rod is fixed on the front linkage member, and a connecting rod is rotatably connected between the rear part of the cushion rod and the push rod assembly;
when the frame is folded, the locking of the first locking mechanism is released, the push rod assembly is pressed down, the connecting rod drives the rear part of the cushion rod to rotate downwards, the rotating connection part of the front linkage piece and the rear linkage piece moves downwards, the front linkage piece and the rear linkage piece are driven, the front bracket assembly and the rear bracket assembly are mutually folded, and finally the push rod assembly and the front bracket assembly are folded at two sides of the rear bracket assembly.
Preferably, the first locking mechanism is arranged between any two or three of the push rod assembly, the front bracket assembly and the rear bracket assembly.
Preferably, the push rod assembly comprises a push rod with the lower end rotatably connected with the upper end of the rear bracket assembly and a push handle rotatably connected above the push rod, and a second locking mechanism is arranged at the rotary connection position of the push handle and the push rod.
Preferably, the front linkage member is in a C shape with a backward opening, the upper part of the front linkage member is provided with a fixing sleeve for the side part of the cushion rod to penetrate and fix, the bending part of the front linkage member is rotationally connected with the front bracket assembly, the rear end part of the lower part of the front linkage member is rotationally connected with the front end of the rear linkage member, and the cushion rod is positioned above the rotational connection part of the front linkage member and the rear linkage member when the frame is unfolded.
The invention has the advantages that: when the frame is folded, the push rod assembly drives the cushion rod to rotate through the connecting rod, and then drives the front and rear linkage pieces and the front and rear bracket assemblies to fold mutually, so that folding is realized, and when the cushion rod rotates and the front part is turned upwards, the supporting rod on the front bracket assembly is in sliding fit with the cloth belt and drives the pedal extension part to turn backwards to fold; in addition, the number of the whole vehicle rod pieces is small, and mutual interference is not easy to occur during folding.
Drawings
The invention is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a schematic view of the structure of the present invention in an unfolded state;
FIG. 2 is a schematic side elevational view of the present invention in an expanded state;
FIG. 3 is a schematic side elevational view of the present invention during folding (the push rod assembly is shown unfolded);
fig. 4 is a schematic side elevational view of the present invention in a collapsed condition (with the push rod assembly unfolded).
Wherein: 1. a push rod assembly; 1-1 push rod; 1-2 pushing handles;
2 a front bracket assembly;
3 a rear bracket assembly;
4 front wheel assembly;
5 rear wheel assembly;
6, a cushion rod;
7 front linkage piece;
8, a rear linkage piece;
9 connecting rods;
a 10 step extension;
11 stay bar
12 cloth belts.
Detailed Description
Examples: as shown in fig. 1 to 4, a pedal extending structure of a stroller comprises a frame having an unfolding position and a folding position, and a first locking mechanism for locking the frame when the frame is in the unfolding position, wherein the frame comprises a push rod assembly 1, a front bracket assembly 2, a rear bracket assembly 3, a front wheel assembly 4 arranged below the front bracket assembly 2, a rear wheel assembly 5 arranged below the rear bracket assembly 3, and a cushion rod 6 with a front part turned upwards when the frame is folded, the front part of the cushion rod 6 is provided with a pedal extending part 10 which can rotate relative to the cushion rod, a supporting rod 11 is rotatably connected to the front bracket assembly 2, and the upper part of the supporting rod 11 is movably connected with the pedal extending part 10.
In this embodiment, "the front portion of the cushion rod 6 has a pedal extension portion 10 that can rotate relative to the front portion of the cushion rod 6", and the rear portion of the pedal extension portion 10 may be directly connected with the front portion of the cushion rod 6 in a rotating manner, or may be connected with the front portion of the cushion rod through a cloth cover, so as to realize indirect rotation.
In this embodiment, the upper portion of the stay 11 is movably connected to the pedal extension 10 in the following manner: the bottom of the pedal extension part 10 is provided with a cloth belt 12 extending back and forth, and the upper part of the stay bar 11 is connected with the cloth belt 12 in a sliding fit manner and can slide back and forth relative to the cloth belt 12.
When the frame is unfolded and the pedal extension part 10 is in a use state, the stay 11 is supported below the front part of the pedal extension part 10, so that the pedal extension part 10 extends forwards on the front side of the cushion rod 6, and the pedal extension part 10, the cushion rod 6, the stay 11 and the front bracket component 2 form a stable triangle;
when the frame is unfolded and the pedal extension 10 is in the non-use state, the stay 11 releases the pedal extension, and the pedal extension 10 is hung on the front side of the cushion rod 6.
The pedal extension 10 can be switched between the use state and the non-use state by manual operation according to the use requirement.
In this embodiment, push rod assembly 1 lower extreme, fore-stock subassembly 2 upper end rotate with back support subassembly 3 upper end respectively and be connected, rotate on the fore-stock subassembly 2 and be connected with preceding interlock spare 7, rotate on the back support subassembly 3 and be connected with back interlock spare 8, the rear end of preceding interlock spare 7 rotates with the front end of back interlock spare 8 to be connected, cushion pole 6 is fixed on preceding interlock spare 7, and rotates between cushion pole 6 rear portion and the push rod assembly 1 and be connected with connecting rod 9.
In this embodiment, the first locking mechanism is disposed between any two or three of the push rod assembly 1, the front bracket assembly 2 and the rear bracket assembly 3. The first locking mechanism is a common prior art in the field, and the structure thereof is not repeated and limited.
In order to reduce the volume of the folded push rod assembly, the push rod assembly 1 comprises a push rod 1-1 with the lower end rotatably connected with the upper end of the rear bracket assembly 3 and a push handle 1-2 rotatably connected above the push rod 1-1, and a second locking mechanism is arranged at the rotary connection part of the push handle 1-2 and the push rod 1-1. The second locking mechanism is a common prior art in the field, and the structure thereof is not repeated and limited.
In this embodiment, the front linkage member 7 is in a C shape with a rearward opening, the upper portion thereof has a fixing sleeve for fixing the side portion of the cushion rod 6 in a penetrating manner, the bending portion thereof is rotatably connected with the front bracket assembly 2, the rear end portion of the lower portion thereof is rotatably connected with the front end of the rear linkage member 8, and the cushion rod 6 is located above the rotational connection portion of the front linkage member 7 and the rear linkage member 8 when the vehicle frame is unfolded.
In this embodiment, the stay 11 is in a U shape with a downward opening, and two ends of the stay are respectively rotatably connected with the front bracket assemblies 2 on two sides.
The folding process of the invention is as follows: when the frame is folded, the locking of the second locking mechanism is firstly released, the push handle 1-2 is folded forwards, the push handle 1-2 is folded relative to the push rod 1-1, then the locking of the first locking mechanism is released, the push rod component 1 is pressed down, the connecting rod 9 drives the rear part of the cushion rod 6 to rotate downwards (the front part of the cushion rod 6 is turned upwards), the rotating connection part of the front linkage piece 7 and the rear linkage piece 8 moves downwards, the front and rear linkage pieces 7 and 8 and the front and rear bracket components 2 and 3 are driven to fold mutually, the cushion rod 6 rotates and the front part is turned upwards, the supporting rod 11 on the front bracket component 2 is matched with the cloth belt 12 in a sliding way and drives the pedal extension part 10 to turn backwards and fold, finally the push rod component 1 and the front bracket component 2 are folded on two sides of the rear bracket component 3, the pedal extension part 10 is folded relative to the cushion rod 6, and the supporting rod 11 is folded between the pedal extension part 10 and the front bracket component 2.
The folding bicycle frame is simple in integral structure, low in cost and convenient to fold and operate, and the pedal extension part can be automatically folded when the bicycle frame is folded, so that time and labor are saved.
The foregoing is merely a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. In addition to the embodiments described above, other embodiments of the invention are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the scope of the invention.

Claims (5)

1. The utility model provides a pedal extending structure of baby's shallow, includes the frame that has expansion position and folding position, and is used for carrying out the first locking mechanical system that locks to the frame when the frame is in expansion position, the frame includes front bracket subassembly (2), back support subassembly (3) and the cushion pole (6) that the front portion upwards overturns when the frame is folding, its characterized in that: the front part of the cushion rod (6) is provided with a pedal extending part (10) which can rotate relative to the cushion rod, the front bracket component (2) is rotatably connected with a stay bar (11), and the upper part of the stay bar (11) is movably connected with the pedal extending part (10);
when the frame is unfolded and the pedal extension part (10) is in a use state, the stay bar (11) is supported below the front part of the pedal extension part (10) so that the pedal extension part (10) extends forwards on the front side of the cushion rod (6), and the pedal extension part (10), the cushion rod (6), the stay bar (11) and the front bracket component (2) form a stable triangle;
when the frame is unfolded and the pedal extension part (10) is in a non-use state, the stay bar (11) releases the pedal extension part (10), and the pedal extension part (10) is hung on the front side of the cushion bar (6);
when the frame is folded, the front bracket component and the rear bracket component (2, 3) are mutually folded, the front part of the cushion rod (6) is turned upwards, and the stay rod (11) drives the pedal extension part (10) to be turned backwards and folded;
the bottom of the pedal extension part (10) is provided with a cloth belt (12) extending forwards and backwards, and the upper part of the supporting rod (11) is connected with the cloth belt (12) in a sliding fit manner and can slide forwards and backwards relative to the cloth belt (12);
the frame also comprises a push rod assembly (1), a front wheel assembly (4) arranged below the front support assembly (2) and a rear wheel assembly (5) arranged below the rear support assembly (3), wherein the lower end of the push rod assembly (1) and the upper end of the front support assembly (2) are respectively and rotatably connected with the upper end of the rear support assembly (3), a front linkage piece (7) is rotatably connected on the front support assembly (2), a rear linkage piece (8) is rotatably connected on the rear support assembly (3), the rear end of the front linkage piece (7) is rotatably connected with the front end of the rear linkage piece (8), a cushion rod (6) is fixed on the front linkage piece (7), and a connecting rod (9) is rotatably connected between the rear part of the cushion rod (6) and the push rod assembly (1);
when the frame is folded, the locking of the first locking mechanism is released, the push rod assembly (1) is pressed down, the connecting rod (9) drives the rear part of the cushion rod (6) to rotate downwards, the rotating joint of the front linkage piece (7) and the rear linkage piece (8) moves downwards, the front and rear linkage pieces (7 and 8) and the front and rear bracket assemblies (2 and 3) are driven to be folded mutually, and finally the push rod assembly (1) and the front bracket assembly (2) are folded on two sides of the rear bracket assembly (3).
2. The pedal extension structure of a stroller of claim 1, wherein: the first locking mechanism is arranged between any two or three of the push rod assembly (1), the front bracket assembly (2) and the rear bracket assembly (3).
3. The pedal extension structure of a stroller of claim 1, wherein: the push rod assembly (1) comprises a push rod (1-1) with the lower end rotatably connected with the upper end of the rear bracket assembly (3), and a push handle (1-2) rotatably connected above the push rod (1-1), wherein a second locking mechanism is arranged at the rotary connection part of the push handle (1-2) and the push rod (1-1).
4. The pedal extension structure of a stroller of claim 1, wherein: the front linkage piece (7) is in a C shape with a backward opening, the upper part of the front linkage piece is provided with a fixed sleeve for the side part of the cushion rod (6) to penetrate through and be fixed, the bending part of the front linkage piece is rotationally connected with the front bracket component (2), the rear end part of the lower part of the front linkage piece is rotationally connected with the front end of the rear linkage piece (8), and the cushion rod is positioned above the rotational connection part of the front linkage piece (7) and the rear linkage piece (8) when the frame is unfolded.
5. The pedal extension structure of a stroller of claim 1, wherein: the stay bar (11) is U-shaped with a downward opening, and two ends of the stay bar are respectively and rotatably connected with the front bracket components (2) at two sides.
CN201810150083.0A 2018-02-13 2018-02-13 Pedal extending structure of baby carriage Active CN108284868B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810150083.0A CN108284868B (en) 2018-02-13 2018-02-13 Pedal extending structure of baby carriage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810150083.0A CN108284868B (en) 2018-02-13 2018-02-13 Pedal extending structure of baby carriage

Publications (2)

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CN108284868A CN108284868A (en) 2018-07-17
CN108284868B true CN108284868B (en) 2023-12-19

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CN201810150083.0A Active CN108284868B (en) 2018-02-13 2018-02-13 Pedal extending structure of baby carriage

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6273451B1 (en) * 1999-08-19 2001-08-14 Graco Children's Products Inc. Stroller and components thereof
CN204222940U (en) * 2014-10-29 2015-03-25 昆山威凯儿童用品有限公司 The step adjustment structure of doll carriage
CN105730492A (en) * 2016-02-18 2016-07-06 滕州市万宝童车有限公司 Folding type baby stroller
CN207931792U (en) * 2018-02-13 2018-10-02 苏州威凯儿童用品有限公司 The footrest extended structure of stroller

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090102149A1 (en) * 2007-10-22 2009-04-23 Graco Children's Products Inc. Foldable pushcart and foldable baby carriage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6273451B1 (en) * 1999-08-19 2001-08-14 Graco Children's Products Inc. Stroller and components thereof
CN204222940U (en) * 2014-10-29 2015-03-25 昆山威凯儿童用品有限公司 The step adjustment structure of doll carriage
CN105730492A (en) * 2016-02-18 2016-07-06 滕州市万宝童车有限公司 Folding type baby stroller
CN207931792U (en) * 2018-02-13 2018-10-02 苏州威凯儿童用品有限公司 The footrest extended structure of stroller

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
婴儿手推车自动展开结构创新;刘艳霞;严广;;机械工程师(07);全文 *

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