CN213262554U - Foldable frame and baby carriage - Google Patents

Abstract

The utility model discloses a can receive frame that closes, including preceding foot, back foot, handlebar and link assembly, preceding foot and back foot pin joint, back foot and handlebar pin joint, link assembly respectively with preceding foot, back foot, handlebar pin joint, so that the handlebar for the back foot is received and is taken when closing the front foot for the back foot is received, and simple structure receives to close the convenience. The foldable frame further comprises a seat group and a seat linkage rod, wherein the seat group is pivoted on the front foot, the rear foot or the handle through a seat pivot point, the first end of the seat linkage rod is pivoted on the seat group, the second end of the seat linkage rod is pivoted on the connecting rod assembly, the seat group is stably supported, and the frame is folded in a linkage manner when folded. The utility model also discloses a corresponding perambulator.

Description

Foldable frame and baby carriage

Technical Field

The utility model relates to a frame especially relates to a can receive and close frame.

Background

In the design of the frame structure of the carrier, in order to meet the requirements of the practicability and the carrying convenience of consumers, the carrier frame is generally designed to be in a foldable form, so that the carrier frame can be completely unfolded in a use state, and can be folded into a smaller volume to be convenient to store or carry when not in use.

The existing baby carriage frame generally comprises a front leg, a rear leg and a carriage handle, in order to fold, folding mechanisms are generally respectively arranged between the front leg and the rear leg and between the front leg and the carriage handle, or folding mechanisms are respectively arranged between the front leg and the rear leg and between the rear leg and the carriage handle, so that when the carriage frame is folded, the front leg and the rear leg need to be firstly bent to fold, and then the carriage handle is folded, so that the integral folding of a frame body is realized, therefore, the operation is complex, a plurality of operation actions or operation steps need to be operated by two hands in the whole folding process, and the carriage frame is inconvenient to fold and troublesome to use because a user needs to bend the waist to fold.

Furthermore, in the existing stroller, a seat set is sometimes provided on the frame for the convenience of a user to sit on, and then the existing seat set is often supported by the support links at both sides of the seat set, so that the support structure is unstable and is easy to break and deform.

Therefore, there is an urgent need for a foldable frame and a stroller that can solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can receive frame and perambulator that closes, simple structure closes the convenience.

In order to realize the purpose, the utility model discloses a can receive frame that closes, including preceding foot, back foot, handlebar hand and link assembly, preceding foot and back foot pin joint, back foot and handlebar hand pin joint, link assembly respectively with preceding foot, back foot, handlebar hand pin joint to it closes for the back foot to make the handlebar hand receive to close the time drive front foot.

Compared with the prior art, the utility model discloses when with the handlebar hand when the rear foot direction pressfitting, accessible link assembly is with handlebar hand and rear foot receipts together for the front foot is in the same place for the rear foot is received, and is in the same place preceding foot, rear foot and handlebar hand fast through having common link assembly promptly, and simple structure receives to close conveniently.

Preferably, the connecting rod assembly comprises a first connecting rod and a second connecting rod, wherein a first end of the first connecting rod is pivoted with the front leg, a second end of the first connecting rod is pivoted with a first end of the second connecting rod, and a second end of the second connecting rod is pivoted with the rear leg.

Specifically, the connecting rod assembly further comprises a third connecting rod, the first end of the third connecting rod is pivoted with the first connecting rod or the second connecting rod, and the second end of the third connecting rod is pivoted with the driver.

The first end of the third connecting rod, the second end of the first connecting rod and the first end of the second connecting rod are pivoted at a pivoting point.

The part of the third connecting rod, which is close to the first end of the third connecting rod, is arc-shaped, so that the third connecting rod is bent. The moment that the third connecting rod drives the second connecting rod and the first connecting rod to act is effectively increased.

Preferably, the foldable frame further comprises a seat set and a seat linkage, the seat set is pivoted to the front leg, the rear leg or the rider through a pivot point of the seat, a first end of the seat linkage is pivoted to the seat set, and a second end of the seat linkage is pivoted to the link assembly. Compared with the prior art, the utility model discloses a seat group is direct pin joint earlier on preceding foot, back foot or car hand, then under the frame expansion state, supports seat group in corresponding the position through the seat trace, because seat pivot point, first end and second end three point support seat group for the seat group supports firmly, and when the frame was closed, directly draws the seat trace through link assembly and makes the seat carry out the interlock that corresponds and close.

Preferably, the seat linkage rod is provided with an inclined section extending along the vertical direction of the foldable frame and extending along the left-right direction of the foldable frame between the first end and the second end, when the connecting rod assembly drives the seat assembly to be folded, the inclined seat linkage rod effectively reduces the rotating distance of the seat assembly, and the folding distance of the seat assembly can be adjusted through the inclination angle of the inclined section and the length, so that the moving distance of the seat assembly is reduced when the seat assembly is folded, the folding track between the front foot, the rear foot and the handlebars is prevented from being shielded when the seat assembly is folded, and the seat assembly is positioned at a corresponding angle relative to the rear foot after being folded, and the size of the folded frame is small.

The linkage of the seat group is controlled by using one seat linkage rod connected to the linkage assemblies on the left side and the right side of the frame, and the middle position of the seat linkage rod is pivoted to the middle position of the seat group, so that the seat linkage rod can play a good supporting role while playing a linkage role on the seat group.

More specifically, the seat linkage comprises a first section pivoted to the seat group, two second sections formed by bending and extending outwards along two ends of the first section, and a third section formed by bending and extending towards the direction of the connecting rod assembly along the other end of the second section, wherein the third section is pivoted to the connecting rod assembly.

More specifically, the first section is disposed in the horizontal direction, and the second section extends in the vertical direction of the foldable frame and in the horizontal direction of the foldable frame. Have certain angle of buckling between the second section of slope and the first section of horizontally, the slope section carries out sufficient support of buckling to the seat group through first section, and toughness is good, prevents that seat trace fracture from warping to the holding power of seat group has been increased.

Wherein, the first section and the third section are respectively installed on the seat group and the connecting rod assembly through a horizontal axis in a rotating way.

More specifically, a rotating channel which is in rotating fit with the first section is formed on the lower surface of the seat group along the horizontal direction, the first section extends into the rotating channel and is pivoted with the rotating channel, and the seat linkage rod is pivoted with the seat group through the rotating channel, so that the contact area between the seat linkage rod and the seat group is large, and the seat group can be sufficiently supported.

More specifically, the left and right sides of the seat set are fixedly connected with rotating pieces respectively, and the tail ends of the rotating pieces are pivoted with the front legs, the rear legs or the handlebars to form a seat pivot point.

Specifically, the second end of the seat linkage is connected to any one of the links in the linkage assembly. More specifically, the second end of the seat linkage is pivotally connected to the first link. The second end of the seat linkage rod is pivoted to the position, close to the middle section, of the first linkage rod.

Preferably, the seat group includes front seat board, pin joint in the back bedplate of front seat board rear side to and connect the locating component between front seat board and back bedplate, and locating component is for front seat board location expansion state and the state of closing, and this scheme makes the seat group when closing, can buckle the back bedplate for front seat board, prevents that the back bedplate from sheltering from the receipts of handlebar hand.

Preferably, the foldable frame further comprises a handrail frame and a handrail linkage, the handlebars comprise a lower handlebars pivoted with the front legs and an upper handlebars pivoted with the lower handlebars, the handrail frame is pivoted on the lower handlebars, one end of the handrail linkage is pivoted on the upper handlebars, the other end of the handrail linkage is pivoted on the handrail frame, and when the upper handlebars are folded relative to the lower handlebars, the handrail frame is driven to be folded relative to the lower handlebars.

Specifically, the armrest frame includes a front armrest disposed in front of the lower rider.

Specifically, the armrest frame comprises a front armrest arranged in front of the lower handle and a rear armrest arranged behind the lower handle, the front armrest is pivoted with the rear armrest, the front armrest or the rear armrest is pivoted on the lower handle, the armrest linkage piece is respectively pivoted with the front armrest and the rear armrest, and the front armrest and the rear armrest are driven to be opened or closed relative to the lower handle when the upper handle is opened or closed relative to the lower handle.

The utility model also discloses a baby carriage, including the frame and install the baby's carrier on the frame, the frame is as above can receive the frame of closing.

Drawings

Fig. 1 is a schematic view of a foldable frame according to a first embodiment of the present invention.

Fig. 2 is a schematic view of the foldable frame according to the first embodiment of the present invention at another angle.

Fig. 3a is an enlarged schematic view of portion a of fig. 1.

Fig. 3B is an enlarged schematic view of portion B of fig. 2.

Fig. 4 is a schematic structural view of the foldable frame according to the first embodiment of the present invention at a further angle.

Fig. 5 to 8 are schematic views illustrating a folding process of the foldable frame according to the first embodiment of the present invention.

Fig. 9 is a schematic structural view of the foldable frame of the first embodiment of the present invention with the seat assembly removed.

Fig. 10 is a folded schematic view of the foldable frame of fig. 9.

Fig. 11 is an expanded view of the foldable frame according to the second embodiment of the present invention.

Fig. 12 is a folding schematic view of the foldable frame according to the second embodiment of the present invention.

Fig. 13 is a schematic view illustrating the expansion of the armrest frame according to the second embodiment of the present invention.

Fig. 14 is a schematic view illustrating the folding of the armrest frame according to the second embodiment of the present invention.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

Referring to fig. 1 to 4, the present invention discloses a foldable frame 100, which includes a front leg 10, a rear leg 20, a rider 30 and a connecting rod assembly 40, wherein a linkage structure is formed among the connecting rod assembly 40, the front leg 10, the rear leg 20 and the rider 30, and when the rider 30 is folded relative to the rear leg 20, the front leg 10 is folded relative to the rear leg 20 under the driving of the connecting rod assembly 40.

Referring to fig. 1 to 4, 8 and 9, the front leg 10 and the rear leg 20 are pivotally connected to form a first pivot point 401, the rear leg 20 and the rider 30 are pivotally connected to form a second pivot point 402, the connecting rod assembly 40 is pivotally connected to the front leg 10, the rear leg 20 and the rider 30 respectively to form a third pivot point 403, a fourth pivot point 404 and a fifth pivot point 405, the connecting rod assembly 40 forms a first four-bar linkage with the rider 30 and the rear leg 20, the connecting rod assembly 40 forms a second four-bar linkage with the front leg 10 and the rear leg 20, and the first four-bar linkage and the second four-bar linkage share at least one link, so that when the rider 30 folds relative to the rear leg 20, the front leg 10 is driven to fold relative to the rear leg 20. Wherein, the front end of the rear foot 20 is bent towards the front foot 10 to form the fitting part 201, and the front end of the front foot 10 is pivoted to the end of the fitting part 201 to form the first pivot point 401. The front end of the rider 30 is pivotally connected to the bend of the rear foot 10 to form a second pivot point 402.

Referring to fig. 1 to 4, 8 and 9, the link assembly 40 includes a first link 41 and a second link 42, one end of the first link 41 is pivotally connected to the front foot 10 to form a third pivot point 403, the other end of the first link is pivotally connected to one end of the second link 42 to form a sixth pivot point 406, and the other end of the second link 42 is pivotally connected to the rear foot 20 to form a fourth pivot point 404.

Specifically, the link assembly 40 further includes a third link 43, one end of the third link 43 is pivoted at a sixth pivot point 406, the other end of the third link 43 is pivoted on the rider 30 to form a fifth pivot point 405, the first link 41, the second link 42, the front leg 10 and the rear leg 20 form a second four-bar linkage, and the second link 42, the third link 43, the rear leg 20 and the rider 30 form a first four-bar linkage. In the present embodiment, the first link 41 and the second link 42 are both four-bar structures and share the second link 42. The first ends of the third link 43, the first link 41 and the second link 42 are pivotally connected to a pivot point 406. Of course, the connecting rod assembly 40 may take other configurations and is not limited to the embodiments described above.

Preferably, a portion of the third link 43 adjacent to the pivot point 406 is curved, so that the third link 43 is bent. The moment of the third link 43 driving the second link 42 and the first link 41 is effectively increased.

Referring to fig. 4, foldable frame 100 further includes a seat group 50 and a seat linkage 44, the seat group 50 is pivotally connected to the rider 30 via a seat pivot point 407, referring to fig. 4, a first end 4401 of the seat linkage 44 is pivotally connected to the seat group 50 along a horizontal axis and forms a link pivot point 408, and a second end 4402 of the seat linkage 44 is pivotally connected to the link assembly 40 along a horizontal axis. Of course, in alternative embodiments, seat set 50 may also be pivotally connected to either forefoot 10 or rearfoot 20 via seat pivot points 407.

In this embodiment, the projections of the seat pivot point 407, the first end 4401 and the second end 4402 on the left and right sides of the stowable frame 100 are triangularly arranged.

In this embodiment, the seat pivot point 407 and the first pivot point 401 are arranged coincident. Of course, the seat pivot point 407 and the first pivot point 401 may also be misaligned.

Referring to fig. 4, a set of front legs 10, rear legs 20, a handle 30 and a link assembly 40 are respectively disposed on the left and right sides of the foldable frame 100, a first end 4401 is formed in the middle of the seat linkage 44, the first end 4401 is pivotally connected to the seat set 50, such that the first end 44401 of the seat linkage 44 is supported below the seat set 50, two second ends 4402 are respectively formed at the two ends of the seat linkage 44, and the two second ends 4402 are respectively pivotally connected to the link assembly 40 on the left and right sides of the foldable frame 100.

The middle of the seat linkage 44 is pivoted to the middle of the seat set 50 along the front-back direction. Specifically, a rotating channel 54 is formed on the lower surface of the seat set 50 along the horizontal direction, and the first segment 441 is rotatably engaged with the rotating channel 54, and the first segment 441 extends into the rotating channel 54 and is pivotally connected with the rotating channel 54.

Referring to fig. 3a to 4, the seat linkage 44 includes a first segment 441 pivoted to the seat set 50, two second segments 442 bent and extended outward along two ends of the first segment 441, and a third segment 443 bent and extended toward the link assembly along the other end of the second segment 442, and the third segment 443 is pivoted to the link assembly. The first section 441 is disposed along the horizontal direction, and the second section 442 extends along the vertical direction of the foldable frame 100 and along the left-right direction of the foldable frame 100. In this embodiment, the third section 443 is disposed in a direction perpendicular to the first section 441. The first segment 441 and the third segment 443 are rotatably mounted on the seat assembly 50 and the link assembly 40, respectively, by a horizontal axis. The first segment 441 is bent and extended from top to bottom and also bent and extended from the middle to the left and right sides to form an inclined segment 442.

With continued reference to fig. 4, the left and right sides of the seat set 50 are fixedly connected with the rotators 53, respectively, and the distal ends of the rotators 53 are pivotally connected to the front legs 10, the rear legs 20, or the handle 30 to form a seat pivot point 407. Wherein one side of the rotation piece 53 connected to the seat group 50 is located at a middle position of the seat group 50 in the front-rear direction.

Specifically, a second end of the seat linkage 44 is connected to any one of the links in the linkage assembly 40. More specifically, the second end of the seat link 44 is pivotally connected to the first link 41. The second end of the seat linkage 44 is pivoted to the middle of the first link 41.

Referring to fig. 1 and 4, the seat set 50 includes a front seat board 51, a rear seat board 52 pivotally connected to a rear side of the front seat board 51, and a positioning component 520 connected between the front seat board 51 and the rear seat board 52, wherein the positioning component 520 positions the rear seat board 52 in an unfolded state and a folded state relative to the front seat board 51, and when the seat set 50 is folded, the rear seat board 52 can be bent relative to the front seat board 51, so as to prevent the rear seat board 52 from shielding the folding of the rider 30. Referring to fig. 7, the rear seat plate 52 is located on the folding path of the rider 30 in the unfolded state, and when the foldable frame 100 is folded, the rider 30 folds and presses the rear seat plate 52, so that the rear seat plate 52 is folded relative to the front seat plate 51. The seat linkage 44 is pivotally connected to the front seat plate 51.

Referring to fig. 1, 5 and 6, the foldable frame 100 further includes a handle frame 62 and a handle linkage 61, the handle 30 includes a lower handle 31 pivotally connected to the front foot 10 and an upper handle 32 pivotally connected to the lower handle 31, the handle frame 62 is pivotally connected to the lower handle 31, one end of the handle linkage 61 is pivotally connected to the upper handle 32, the other end is pivotally connected to the handle frame 62, and when the upper handle 32 is folded relative to the lower handle 31, the handle frame is driven to be folded relative to the lower handle 31. In the present embodiment, the armrest frame 62 includes a front armrest provided in front of the lower rider 31.

Referring to fig. 11 to 14, different from the first embodiment, in the second embodiment of the present invention, another foldable frame 100a is disclosed, in the foldable frame 100a, the armrest frame 62a includes a front armrest 621 disposed in front of the lower armrest 31 and a rear armrest 622 disposed behind the lower armrest 31, the front armrest 621 is pivoted to the rear armrest 622, the front armrest 621 or the rear armrest 622 is pivoted to the lower armrest 31, the armrest linking member 61 is respectively pivoted to the front armrest 621 and the rear armrest 622, and drives the front armrest 621 and the rear armrest 622 to open or close relative to the lower armrest 31 when the upper armrest 32 opens or closes relative to the lower armrest 31.

The utility model also discloses a corresponding perambulator, including above-mentioned frame 100, 100a that can receive and close and install the baby carrier (not shown in the figure) on the frame.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims (19)

1. A foldable frame comprises a front foot, a rear foot, a handle and a connecting rod assembly, and is characterized in that: the front foot and the rear foot are pivoted, the rear foot and the driver are pivoted, and the connecting rod assembly is respectively pivoted with the front foot, the rear foot and the driver, so that the driver drives the front foot to be folded relative to the rear foot when the driver is folded relative to the rear foot.

2. The stowable vehicle frame of claim 1, wherein: the connecting rod assembly comprises a first connecting rod and a second connecting rod, wherein the first end of the first connecting rod is pivoted with the front leg, the second end of the first connecting rod is pivoted with the first end of the second connecting rod, and the second end of the second connecting rod is pivoted with the rear leg.

3. The stowable vehicle frame of claim 2, wherein: the connecting rod assembly further comprises a third connecting rod, the first end of the third connecting rod is pivoted with the first connecting rod or the second connecting rod, and the second end of the third connecting rod is pivoted with the driver.

4. The stowable vehicle frame of claim 3, wherein: the first end of the third connecting rod, the second end of the first connecting rod and the first end of the second connecting rod are pivoted at a pivoting point.

5. The stowable vehicle frame of claim 3, wherein: the part of the third connecting rod, which is close to the first end of the third connecting rod, is arc-shaped, so that the third connecting rod is bent.

6. The stowable vehicle frame of claim 1, wherein: the seat group is pivoted on the front leg, the rear leg or the driver through a seat pivot point, the first end of the seat linkage rod is pivoted on the seat group, and the second end of the seat linkage rod is pivoted on the connecting rod assembly.

7. The stowable vehicle frame of claim 6, wherein: the seat linkage rod is provided with an inclined section which extends along the vertical direction of the foldable frame and extends along the left-right direction of the foldable frame between the first end and the second end.

8. The stowable vehicle frame of claim 6, wherein: the middle of the seat linkage rod forms a first end and is pivoted on the seat group, and the two ends of the seat linkage rod respectively form a second end and are pivoted on the connecting rod assemblies at the left side and the right side of the foldable frame.

9. The stowable vehicle frame of claim 8, wherein: the seat linkage rod comprises a first section pivoted on the seat group, two second sections formed by respectively bending and extending outwards along two ends of the first section, and a third section formed by bending and extending towards the direction of the connecting rod assembly along the other end of the second section, and the third section is pivoted on the connecting rod assembly.

10. The stowable vehicle frame of claim 9, wherein: the first section is arranged along the horizontal direction, and the second section extends along the vertical direction of the foldable frame and simultaneously extends along the left-right direction of the foldable frame.

11. The stowable vehicle frame of claim 10, wherein: the lower surface of the seat group is horizontally provided with a rotating channel which is in rotating fit with the first section, and the first section extends into the rotating channel and is pivoted with the rotating channel.

12. The stowable vehicle frame of claim 6, wherein: the left side and the right side of the seat group are respectively and fixedly connected with a rotating part, and the tail end of the rotating part is pivoted with the front foot, the rear foot or the driver to form the pivot point of the seat.

13. The stowable vehicle frame of claim 6, wherein: the second end of the seat linkage rod is connected to any one of the connecting rods in the connecting rod assembly.

14. The stowable vehicle frame of claim 13, wherein: the connecting rod assembly comprises a first connecting rod and a second connecting rod, the first end of the first connecting rod is pivoted with the front leg, the second end of the first connecting rod is pivoted with the first end of the second connecting rod, the second end of the second connecting rod is pivoted with the rear leg, and the second end of the seat connecting rod is pivoted on the first connecting rod.

15. The stowable vehicle frame of claim 14, wherein: the second end of the seat linkage rod is pivoted to the position, close to the middle section, of the first connecting rod.

16. The stowable vehicle frame of claim 6, wherein: the seat group comprises a front seat board, a rear seat board pivoted to the rear side of the front seat board, and a positioning component connected between the front seat board and the rear seat board, wherein the positioning component positions the rear seat board in an unfolding state and a folding state relative to the front seat board.

17. The stowable vehicle frame of claim 1, wherein: the handle comprises a lower handle pivoted with the front foot and an upper handle pivoted with the lower handle, the handle frame is pivoted on the lower handle, one end of the handle linkage is pivoted on the upper handle, the other end of the handle linkage is pivoted on the handle frame, and the handle frame is driven to be folded relative to the lower handle when the upper handle is folded relative to the lower handle.

18. The stowable vehicle frame of claim 17, wherein: the handrail frame comprises a front handrail and a rear handrail, the front handrail is pivoted with the rear handrail, the front handrail or the rear handrail is pivoted on the lower handle, the handrail linkage piece is respectively pivoted with the front handrail and the rear handrail, and the front handrail and the rear handrail are driven to be opened or closed relative to the lower handle when the upper handle is opened or closed relative to the lower handle.

19. A stroller, characterized in that: comprising a frame and a baby carrier mounted on the frame, the frame being a foldable frame according to any one of claims 1-18.

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