CN216546333U

CN216546333U - Baby carriage frame capable of being folded quickly

Info

Publication number: CN216546333U
Application number: CN202121718293.9U
Authority: CN
Inventors: 韩勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-05-17
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a baby carriage frame capable of being folded quickly, which comprises: the folding mechanism comprises a central frame body, a first folding joint and a front foot assembly are mounted on the central frame body, the front foot assembly is connected to a first swinging part of the first folding joint, a rear foot assembly is connected to a second swinging part of the first folding joint, a handle assembly is connected to a third swinging part of the first folding joint, a riding support is rotatably connected to the central frame body; the front foot assembly, the rear foot assembly, the handle assembly and the riding support are all connected to the connecting rod mechanism, after the first folding joint is unlocked, the handle assembly is driven to swing in the folding direction manually, and the handle assembly drives the front foot assembly, the rear foot assembly and the riding support to swing in the preset direction simultaneously through the connecting rod mechanism and complete folding of the whole frame. The utility model can complete the folding rapidly in one step, and each folding part can be folded rapidly according to the set direction under the action of the connecting rod mechanism.

Description

Baby carriage frame capable of being folded quickly

Technical Field

The utility model relates to the technical field of infant care equipment, in particular to a baby carriage frame capable of being folded quickly.

Background

The baby carriage is a tool carriage designed for providing convenience for outdoor activities of babies, is one of the favorite transportation tools of babies, and is a necessary product when a mother carries the babies to shop on the street, so the baby carriage is deeply loved by broad parents, because the whole structure of the baby carriage has larger volume, in order to reduce the occupied space and be convenient to carry, most of the existing baby carriages are designed into a folding structure, along with the development of the society and the progress of science and technology, the types and styles of the baby carriages which can be folded in the prior art are more and more, but when the baby carriages in the prior art are folded and folded, either unlocking actions need to be completed at a plurality of positions one by one, the operation is complicated and the use is inconvenient, or a set of locking structures is adopted, after the locking structures are unlocked, all folding parts are relatively independent and freely swing without being controlled, the linkage among all parts which need to be folded is poor, the folding parts can not be folded according to the set direction in the process of folding and folding, and the folding action is complicated, so that the folding operation of the whole baby carriage can be hardly finished by a single hand of a single person, the folding mode of the existing baby carriage is complicated, the folding efficiency is low, the baby carriage is inconvenient for an operator to use, and the use intention of the user is reduced; therefore, there is a need for improvements and innovations in existing strollers to meet market demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a baby carriage frame which is reasonable in structural design, stable and reliable to use and capable of being folded quickly.

In order to solve the above technical problem, the present invention provides a stroller frame capable of being folded quickly, comprising:

the folding device comprises a central frame body, wherein a first folding joint with a locking structure is mounted on the central frame body, the first folding joint comprises a plurality of swinging parts used for external connection, and the relative positions of the swinging parts are locked through the locking structure;

the front foot assembly is connected to the first swinging part of the first folding joint, and a front universal wheel for supporting the whole frame to walk is mounted on the front foot assembly;

the rear foot assembly is connected to the second swinging part of the first folding joint, and a rear travelling wheel for supporting the whole frame to travel is mounted on the rear foot assembly;

the handle assembly is connected to the third swinging part of the first folding joint and pushes the whole frame to walk through the handle assembly;

the riding bracket is rotatably connected to the central frame body;

the front foot assembly, the rear foot assembly, the handle assembly and the riding support are all connected to the connecting rod mechanism, after the first folding joint is unlocked, the handle assembly is driven by hand to swing towards the folding direction, and the handle assembly drives the front foot assembly, the rear foot assembly and the riding support to swing according to the preset direction through the connecting rod mechanism and complete the folding of the whole frame.

As a further improvement of the utility model, the central frame body comprises a central rod body and first folding joints, and the first folding joints which are symmetrically arranged are fixed at both ends of the central rod body.

As a further improvement of the present invention, the front foot assembly includes two first rods symmetrically disposed, the lower end of each first rod is connected to the front universal wheel, the upper end of each first rod is fixed to the first swing portion corresponding to the first folding joint, and a foot pedal is fixedly connected between the lower ends of the two first rods.

As a further improvement of the utility model, the rear foot assembly comprises two symmetrically arranged second rod bodies, the lower end of each second rod body is connected to the rear axle mechanism, the upper end of each second rod body is fixed on the second swing part corresponding to the first folding joint, the rear traveling wheels are mounted at two ends of the rear axle mechanism, and the rear axle mechanism is provided with a brake pedal for braking the rear traveling wheels.

As a further improvement of the present invention, the handle assembly includes a U-shaped hand pushing frame, a second folding joint and a third rod body, the second folding joint includes a plurality of swinging portions for external connection, both free ends of the hand pushing frame are connected to the third rod body through the second folding joint, both free ends of the hand pushing frame are fixed to a first swinging portion corresponding to the second folding joint, one end of the third rod body is fixed to a second swinging portion corresponding to the second folding joint, the other end of the third rod body is fixed to a third swinging portion corresponding to the first folding joint, and an unlocking button is disposed on a U-shaped end of the hand pushing frame.

As a further improvement of the utility model, the handle assembly is further connected with a sunshade frame, and two ends of the sunshade frame are respectively and rotatably arranged on the side surfaces of the corresponding second folding joints.

As a further improvement of the present invention, the riding support includes an arc-shaped connecting rod and a linear sliding rod, the two ends of the connecting rod are fixed with the sliding rods parallel to each other, each sliding rod is sleeved with a connecting piece which is matched with the sliding rod and can slide freely, the connecting piece is rotatably connected to the central rod body, and the sliding rod is perpendicular to the central rod body.

As a further improvement of the present invention, the link mechanism includes a first link, a second link, a middle sliding sleeve and a fixing sleeve, two ends of the first link are respectively hinged to the middle sliding sleeve and the first hinge lug, the middle sliding sleeve is coaxially and fittingly sleeved on the second rod body and forms a sliding pair, the first hinge lug is fixed on the first swing portion of the first folding joint on the corresponding side, two ends of the second link are respectively hinged to the middle sliding sleeve and the second hinge lug, the second hinge lug is fixed on the third swing portion of the first folding joint on the corresponding side, the fixing sleeve is coaxially and fittingly sleeved and fixed on the slide rod on the corresponding side, and a connecting piece on the same slide rod is located inside the corresponding fixing sleeve, and the fixing sleeve is rotatably connected to the middle portion of the second link.

As a further improvement of the utility model, the handle assembly is also connected with a handrail frame, the handrail frame is a U-shaped frame body, and two free ends of the handrail frame are respectively hinged on the corresponding second hinge lugs.

As a further improvement of the utility model, the second rod body is rotatably connected with a positioning hook, and the free end of the positioning hook is provided with a positioning part formed by bending.

The utility model has the beneficial effects that:

the utility model relates to a baby carriage frame capable of being folded quickly, wherein a front foot assembly, a rear foot assembly, a handle assembly and a riding support are all connected onto a connecting rod mechanism, after a first folding joint is unlocked, the handle assembly is driven to swing towards a folding direction manually, the handle assembly drives the front foot assembly, the rear foot assembly and the riding support to swing simultaneously according to a preset direction through the connecting rod mechanism and completes the folding of the whole carriage frame, all folding parts are folded quickly according to a set direction under the action of the connecting rod mechanism, the linkage among all the folding parts is good, the folding action is simple and quick, the integrity is good, the folding efficiency is high, the folding can be completed by one person with one hand, the use will of a user is high, and the baby carriage frame is easy to be accepted by the market.

Drawings

FIG. 1 is a front view of a quick-folding stroller frame in an expanded state;

FIG. 2 is a perspective view of a stroller frame that is capable of being quickly folded in an unfolded state;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is a schematic view of the linkage mechanism, the first folding joint and the installation relationship among the rods;

FIG. 5 is a schematic perspective view of a first folding joint mounted on a central rod;

FIG. 6 is a schematic perspective view of the connecting body and the fixing sleeve mounted on the riding frame;

FIG. 7 is a front view of a quick-folding stroller frame in a folded position;

the reference numbers in the figures illustrate:

11. a central rod body; 12. a first folding joint; 13. a first swing portion of a first folding joint; 14. a second swing portion of the first folding joint; 15. a third swing portion of the first folding joint; 16. a first rod body; 17. a front universal wheel; 18. a foot pedal; 19. a second rod body; 20. a rear axle mechanism; 21. a rear traveling wheel; 22. a brake pedal; 23. a hand-push frame; 24. an unlock button; 25. a second folding joint; 26. a third rod body; 27. a sunshade frame; 28. a first swing portion of the second folding joint; 29. a second swing portion of the second folding joint; 30. a connecting rod of the riding bracket; 31. a slide bar of the seating support; 32. a connecting member; 33. a riding support; 34. a first link; 35. a first hinge lug; 36. a middle sliding sleeve; 37. a second link; 38. a second hinge lug; 39. fixing a sleeve; 40. a handrail frame; 41. a positioning hook; 42. a positioning part.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Referring to fig. 1 to 7, an embodiment of a quick-folding stroller frame according to the present invention;

a quick-folding stroller frame comprising: the folding frame comprises a central frame body, wherein a first folding joint 12 with a locking structure is mounted on the central frame body, the first folding joint 12 comprises a plurality of swinging parts used for external connection, and the relative positions of the swinging parts are locked through the locking structure; the front foot assembly is connected to the first swinging part 13 of the first folding joint, and a front universal wheel 17 for supporting the whole frame to walk is mounted on the front foot assembly; the rear foot assembly is connected to the second swinging part 14 of the first folding joint, and a rear walking wheel 21 for supporting the whole frame to walk is mounted on the rear foot assembly; the handle assembly is connected to the third swinging part 15 of the first folding joint and pushes the whole frame to walk through the handle assembly; the riding bracket 33 is rotatably connected to the center frame body; the structures of the first folding joint 12 and the second folding joint 25 in the present invention are well known in the prior art, and will not be described in detail in the present application, and the specific structures and working principles can be referred to the chinese utility model patent (application number: CN201721396140.0, patent name: stroller joint and stroller).

The front foot assembly, the rear foot assembly, the handle assembly and the riding support 33 are all connected to the connecting rod mechanism, after the first folding joint 12 is unlocked, the handle assembly is driven by hand to swing towards the folding direction, and the handle assembly drives the front foot assembly, the rear foot assembly and the riding support 33 to swing simultaneously according to the preset direction through the connecting rod mechanism and complete the folding of the whole frame. And each folding part is folded rapidly according to the set direction under the effect of the link mechanism, the linkage between each folding part is good, the folding action is simple and rapid, the integrity is good, the folding efficiency is high, the folding can be completed by a single person with one hand, the use will of a user is high, and the folding mechanism is easy to be accepted by the market.

The central frame body comprises a central rod body 11 and first folding joints 12, and the first folding joints 12 symmetrically arranged are fixed at two ends of the central rod body 11.

The front foot component comprises two first rod bodies 16 which are symmetrically arranged, the lower end of each first rod body 16 is connected with the front universal wheel 17, the upper end of each first rod body 16 is fixed on the first swinging part 13 corresponding to the first folding joint, and a pedal 18 is fixedly connected between the lower ends of the two first rod bodies 16.

Rear foot subassembly includes that the second body of rod 19, the lower extreme of every second body of rod 19 that two symmetries set up all connect on rear axle mechanism 20, every the upper end of the second body of rod 19 is all fixed on the second swing portion 14 that corresponds first folding joint, rear axle mechanism's both ends are all installed rear walking wheel 21, be equipped with the brake pedal 22 that is used for braking rear walking wheel 21 in the rear axle mechanism.

The handle assembly comprises a U-shaped hand push frame 23, a second folding joint 25 and a third rod body 26, the second folding joint 25 comprises a plurality of swinging parts used for external connection, two free ends of the hand push frame 23 are connected with the third rod body 26 through the second folding joint 25, the two free ends of the hand push frame 23 are fixed with a first swinging part 28 corresponding to the second folding joint, one end of the third rod body 26 is fixed with a second swinging part 29 corresponding to the second folding joint, the other end of the third rod body 26 is fixed with a third swinging part 15 corresponding to the first folding joint, and an unlocking button 24 is arranged at the U-shaped end of the hand push frame 23; during the use, manually press unlock button 24, unlock button 24 drives the unblock part motion in the second folding joint 25 through the stay cord that runs through in the inside hand push frame 23, and then realizes the unblock of the second folding joint 25, then hand push frame 23 can be folded forward, drives the unblock part motion in the first folding joint 12 through the stay cord that runs through in the third body of rod 26 inside simultaneously at the folding in-process of hand push frame 23, and then realizes the unblock of first folding joint 12.

The handle assembly is further connected with a sunshade frame 27, two ends of the sunshade frame 27 are respectively rotatably mounted on the side surfaces corresponding to the second folding joints 25, and the sunshade frame 27 is used for mounting sunshade components such as sunshade cloth.

The riding support 33 comprises a circular arc-shaped connecting rod 30 and a linear sliding rod 31, the two ends of the connecting rod are fixed with the sliding rods which are parallel to each other, each sliding rod is sleeved with a connecting piece 32 which is matched with the sliding rod and can slide freely, the connecting pieces 32 are rotatably connected to the central rod body 11, and the sliding rods are perpendicular to the central rod body 11. The seating support 33 acts as a direct bearing for the infant when seated.

Link mechanism includes first connecting rod 34, second connecting rod 37, middle sliding sleeve 36 and fixed cover 39, the both ends of first connecting rod 34 articulate respectively on middle sliding sleeve 36 and first hinge ear 35, the coaxial matching suit of middle sliding sleeve 36 is in on the second body of rod 19 and form the sliding pair, first hinge ear 35 is fixed on the first swing portion 13 of the first folding joint of corresponding side, the both ends of second connecting rod 37 articulate respectively on middle sliding sleeve 36 and second hinge ear 38, second hinge ear 38 is fixed on the third swing portion 15 of the first folding joint of corresponding side, the coaxial matching suit of fixed cover 39 is fixed on the slide bar of corresponding side, and connecting piece 32 on the same slide bar is located the inboard of corresponding fixed cover 39, fixed cover 39 rotates to be connected the middle part of second connecting rod 37.

Still be connected with handrail frame 40 on the handle subassembly, handrail frame 40 is the support body of U-shaped form, two free ends of handrail frame 40 articulate respectively on corresponding second hinge ear 38, supplementary support piece when handrail frame 40 is taken as the baby and takes makes things convenient for the leaning on of baby's hand gripping and health, improves the security that the baby took.

The second rod body 19 is rotatably connected with a positioning hook 41, and a positioning part 42 formed by bending is arranged at the free end of the positioning hook 41.

When the frame of the utility model needs to be folded, the unlocking button 24 is manually pressed, the unlocking button 24 drives the unlocking component in the second folding joint 25 to move through the pull rope penetrating through the inside of the hand-push frame 23, so as to unlock the second folding joint 25, then the hand-push frame 23 can swing forwards and fold, in the process of folding the hand-push frame 23, the pull rope penetrating through the inside of the third rod 26 drives the unlocking component in the first folding joint 12 to move, so as to unlock the first folding joint 12, after the hand-push frame 23 is folded in place and the first folding joint 12 is unlocked, the third rod 26 is manually driven to swing towards the rear foot component direction, meanwhile, the second connecting rod 37 drives the sliding rod 31 of the riding bracket to slide along the connecting piece 32 through the fixing sleeve 39, the second connecting rod 37 drives the middle sliding sleeve 36 to slide downwards along the second rod 19, the middle sliding sleeve 36 pulls the first rod 16 to swing towards the rear foot component direction through the first connecting rod 34, when the middle sliding sleeve 36 cannot continuously slide downwards along the second rod body 19, that is, the folding of the whole frame body is completed, then the positioning part 42 of the positioning hook 41 hooks the third rod body 26, so that the whole frame body is kept in a stable folded state, when the frame needs to be unfolded, the locking effect of the positioning hook 41 is released, all the folding components are returned to the initial position according to the original path, and the first folding joint 12 and the second folding joint 25 can be automatically locked to lock the positions of all the swinging parts, so that the frame is kept in a stable unfolded state for use.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the utility model is all within the protection scope of the utility model. The protection scope of the utility model is subject to the claims.

Claims

1. A quickly collapsible stroller frame, comprising:

the riding bracket is rotatably connected to the central frame body;

2. The stroller frame of claim 1, wherein the central frame comprises a central rod and a first folding joint, and the first folding joint is symmetrically fixed to both ends of the central rod.

3. The frame for a stroller of claim 2, wherein the front leg assembly comprises two first rods symmetrically disposed, the front universal wheel is connected to a lower end of each first rod, an upper end of each first rod is fixed to the first swing portion corresponding to the first folding joint, and a foot pedal is fixedly connected between lower ends of the two first rods.

4. The frame for a stroller of claim 3, wherein the rear foot assembly comprises two symmetrically disposed second rods, the lower end of each second rod is connected to the rear axle mechanism, the upper end of each second rod is fixed to the second swing portion corresponding to the first folding joint, the rear wheels are mounted at both ends of the rear axle mechanism, and the rear axle mechanism is provided with a brake pedal for braking the rear wheels.

5. The stroller frame of claim 4, wherein the handle assembly comprises a U-shaped handle frame, a second folding joint and a third rod, the second folding joint comprises a plurality of swinging portions for external connection, two free ends of the handle frame are connected with the third rod through a second folding joint, two free ends of the handle frame are fixed with a first swinging portion corresponding to the second folding joint, one end of the third rod is fixed with a second swinging portion corresponding to the second folding joint, the other end of the third rod is fixed with a third swinging portion corresponding to the first folding joint, and an unlocking button is disposed on the U-shaped end of the handle frame.

6. The stroller frame of claim 5, wherein a sunshade frame is further coupled to the handle assembly, and both ends of the sunshade frame are rotatably mounted to the sides of the corresponding second folding joints.

7. The stroller frame of claim 5, wherein the seating support comprises a circular connecting rod and a linear sliding rod, the connecting rod is fixed at both ends thereof with parallel sliding rods, each sliding rod is sleeved with a connecting member matching with the sliding rod and sliding freely, the connecting member is rotatably connected to the central rod, and the sliding rod is perpendicular to the central rod.

8. The stroller frame capable of being folded rapidly according to claim 7, wherein the link mechanism comprises a first link, a second link, a middle sliding sleeve and a fixing sleeve, the two ends of the first link are respectively hinged to the middle sliding sleeve and the first hinge lug, the middle sliding sleeve is coaxially matched and sleeved on the second rod body and forms a sliding pair, the first hinge lug is fixed on the first swing portion of the first folding joint on the corresponding side, the two ends of the second link are respectively hinged to the middle sliding sleeve and the second hinge lug, the second hinge lug is fixed on the third swing portion of the first folding joint on the corresponding side, the fixing sleeve is coaxially matched and sleeved on and fixed on the sliding rod on the corresponding side, and the connecting member on the same sliding rod is located inside the corresponding fixing sleeve, and the fixing sleeve is rotatably connected to the middle portion of the second link.

9. The stroller frame of claim 8, wherein the handle assembly is further connected with a handrail frame, the handrail frame is a U-shaped frame body, and two free ends of the handrail frame are respectively hinged to the corresponding second hinge lugs.

10. The stroller frame of claim 8, wherein a positioning hook is rotatably connected to the second rod, and a free end of the positioning hook is provided with a positioning portion formed by bending.