CN214689709U

CN214689709U - Folding baby carriage

Info

Publication number: CN214689709U
Application number: CN202120944255.9U
Authority: CN
Inventors: 张凯军
Original assignee: Hanchuan Kaite Plastic Products Co ltd
Current assignee: Hanchuan Kaite Plastic Products Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-11-12
Anticipated expiration: 2031-05-06

Abstract

The present application relates to a collapsible stroller comprising: a stroller body; the stroller body includes: a seat pocket bar assembly; the front support component is rotatably connected with the seat pocket rod component, and a front wheel component is arranged at the bottom of the front support component; the rear support component is arranged at the rear side of the front support component, and a rear wheel component is arranged at the bottom of the rear support component; the lower push rod assembly is arranged at the rear side of the rear support assembly, and the upper push rod assembly is rotatably connected to the lower push rod assembly; the connecting rod sleeve is arranged on the rear support assembly and is rotationally connected with the front support assembly and the lower push rod assembly; be equipped with first subassembly of folding up between connecting rod cover and the lower push rod subassembly, first subassembly of folding up includes: and the rod sleeve is connected with the lower push rod component and is provided with a rotating shaft. The folding baby carriage is simple in structure, convenient to operate, small in size after being folded, convenient to carry, stable in whole structure after being opened, and capable of bearing larger weight.

Description

Folding baby carriage

Technical Field

The application relates to the field of strollers, in particular to a folding stroller.

Background

The baby carriage is a very practical product in household infant appliances, and a plurality of folding baby carriages are released in the market for being convenient to carry and use. As disclosed in the patent documents of the chinese utility model: the CN204020954U foldable baby carrier is composed of an upper push rod, a lower push rod, side handrails, a seat cushion connecting rod, a seat cushion front cross rod, a seat cushion rear cross rod, a front support component, a rear support component and a lower connecting rod; the front support component is provided with front wheels, and the rear support component is provided with rear wheels; two ends of the front cross rod of the seat cushion are respectively and fixedly connected with the front ends of the side armrests on the corresponding side, and two ends of the rear cross rod of the seat cushion are respectively and fixedly connected with the lower ends of the lower push rods on the corresponding side; the front end of the seat cushion connecting rod is pivoted with the front cross rod of the seat cushion, and the rear end of the seat cushion connecting rod is pivoted with the rear support component; the lower end of the upper push rod is connected with the upper end of the lower push rod through a first rotation locking device, and the upper end of the rear support assembly is connected with the lower end of the lower push rod through a second rotation locking device; the front end of the lower connecting rod is pivoted with the front support component, and the rear end of the lower connecting rod is pivoted with the rear cross rod of the seat cushion. Make this perambulator need use both hands to press the button of both sides when folding, promote first slider by the button, make the lug that blocks on the piece on the first slider and the connector break away from, then rotate the push-up rod backward, paste tight push-down rod, and the push-up rod pulls the traction wire when rotating, block on the piece by the traction wire drive second slider and the lug on the second connector break away from, make the push-down rod rotate forward with the push-up rod, and meanwhile, the push-down rod drives the back bracket component, the seatpad connecting rod, the side handrail, lower connecting rod and preceding bracket component move together, thereby accomplish folding. When the baby carriage is opened, the upper push rod and the front support assembly need to be pulled open by using two hands, so that the upper push rod and the lower push rod are opened in a rotating mode, and meanwhile, the lower push rod and the front support assembly are opened in a rotating mode.

The opening process of the baby carriage can be completed by two hands, and the baby carriage is not suitable for being quickly opened when only one celebrity, especially female parents and one person carry a child out.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a foldable baby stroller which has the advantages of convenience in operation, convenience in folding, convenience in quick opening and the like.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a collapsible pushchair comprising: a stroller body; the stroller body includes:

a seat pocket bar assembly;

the front support component is rotatably connected with the seat pocket rod component, and a front wheel component is arranged at the bottom of the front support component;

the rear support component is arranged at the rear side of the front support component, and a rear wheel component is arranged at the bottom of the rear support component;

the lower push rod assembly is arranged at the rear side of the rear support assembly, and the upper push rod assembly is rotatably connected to the lower push rod assembly; and the number of the first and second groups,

the connecting rod sleeve is arranged on the rear support assembly and is rotationally connected with the front support assembly and the lower push rod assembly;

be equipped with first subassembly of folding up between connecting rod cover and the lower push rod subassembly, first subassembly of folding up includes: the rod sleeve is connected with the lower push rod assembly, a rotating shaft is arranged on the rod sleeve, the rotating shaft is connected with a rotating sleeve arranged on the connecting rod sleeve, a torsion spring connected with the rotating shaft is arranged on the rotating sleeve, the torsion spring can be stressed and pre-pressed after the rod sleeve is folded, and can drive the rod sleeve to rotate and be reserved in a limiting groove arranged on the upper side of the rotating sleeve after the rod sleeve is unfolded;

be equipped with back support frame on the back support frame, be equipped with mobilizable sliding sleeve and elastic locking piece on the back support frame, elastic locking piece locates back support frame's upside and with the lockhole that is equipped with on the sliding sleeve is connected, the sliding sleeve is located one side of lower push down the pole subassembly is equipped with the drive sit pocket pole subassembly and with it connects to sit the pocket pole subassembly the rotatory base of front support frame subassembly, be equipped with on the base with the pull rod that the lower push down the pole subassembly is connected, the pull rod can drive under the drive of lower push down the pole subassembly on the base the sliding sleeve is in remove on the back support frame.

According to the technical scheme, the upper push rod assembly can be folded to one side of the lower push rod assembly in a rotating mode, the lower push rod assembly can be folded to the rear side of the rear support assembly in a rotating mode through the connecting rod sleeve, and the front support assembly can be folded to the front side of the rear support assembly in a rotating mode through the connecting rod sleeve. Wherein, the lower push rod assembly is used for driving the pull rod, and the pull rod is used for driving the seat pocket pole assembly that the sliding sleeve is connected, makes the fore-stock subassembly that the seat pocket pole assembly is connected overlap the rotation folding or open at the connecting rod. When the sliding sleeve moves to the upper part, the sliding sleeve is locked by the elastic locking piece, so that the lower push rod component and the front support component are kept in an open state. When the rod sleeve is folded, the torsion spring is driven through the rotating shaft, so that the torsion spring is stressed and compressed; when the rod sleeve is opened, the reset of the torsion spring drives the rod sleeve to be automatically opened, so that the rod sleeve is opened to a preset position.

As a preferred scheme of the utility model, the front side of connecting rod cover be equipped with fore-stock subassembly swivelling joint's first rod cover, the bottom be equipped with back carriage subassembly fixed connection's second rod cover.

The technical scheme is realized so that the front support assembly and the rear support assembly are connected with the connecting rod sleeve.

As a preferred embodiment of the present invention, the first rod sleeve is rotatably connected to the connecting rod sleeve through a rotating shaft.

The technical scheme is realized so that the first rod sleeve and the connecting rod sleeve can be flexibly folded.

As an optimized scheme of the utility model, sit one side of pocket pole subassembly with preceding bracket component swivelling joint, the opposite side with base swivelling joint.

Realize above-mentioned technical scheme to the base drives and sits the pocket pole subassembly, makes and sits the rotatory front mast assembly rotation folding that drives of pocket pole subassembly.

As an optimized scheme of the utility model, be equipped with the pivot on the base, the pivot with sit the pocket pole subassembly with pull rod swivelling joint.

The technical scheme is realized so that the front support assembly and the lower push rod assembly which are connected are rotatably supported on the base by the seat pocket rod assembly and the pull rod.

As an optimized scheme of the utility model, the elastic locking piece including the protrusion in the hasp on back support frame surface and locating back support frame inside with the elastic component that the hasp is connected.

According to the technical scheme, the lock catch is supported by the elastic piece, so that the lock catch can elastically retract.

As an optimized scheme of the utility model, the lower push rod assembly with fold up the subassembly through the second between the push rod assembly and connect, the second fold up the subassembly with the last switch module that is equipped with of push rod assembly connects.

The technical scheme is realized, the switch component controls the second folding component, so that the upper push rod component and the lower push rod component which are connected with the second folding component are folded.

To sum up, the utility model discloses following beneficial effect has:

the embodiment of this application is through providing a foldable baby's shallow, includes: a stroller body; the stroller body includes: a seat pocket bar assembly; the front support component is rotatably connected with the seat pocket rod component, and a front wheel component is arranged at the bottom of the front support component; the rear support component is arranged at the rear side of the front support component, and a rear wheel component is arranged at the bottom of the rear support component; the lower push rod assembly is arranged at the rear side of the rear support assembly, and an upper push rod assembly in rotary connection is arranged on the lower push rod assembly; the connecting rod sleeve is arranged on the rear support assembly and is rotationally connected with the front support assembly and the lower push rod assembly; be equipped with first subassembly of folding up between connecting rod cover and the lower push rod subassembly, first subassembly of folding up includes: the rod sleeve is connected with the lower push rod assembly, a rotating shaft is arranged on the rod sleeve, the rotating shaft is connected with a rotating sleeve arranged on the connecting rod sleeve, a torsion spring connected with the rotating shaft is arranged on the rotating sleeve, the torsion spring can be stressed and pre-pressed after the rod sleeve is folded, and can drive the rod sleeve to rotate and be reserved in a limiting groove arranged on the upper side of the rotating sleeve after the rod sleeve is unfolded; be equipped with back support frame on the back support frame, be equipped with mobilizable sliding sleeve and elastic locking piece on the back support frame, elastic locking piece locates back support frame's upside and with the lockhole that is equipped with on the sliding sleeve is connected, the sliding sleeve is located one side of lower push down the pole subassembly is equipped with the drive sit pocket pole subassembly and with it connects to sit the pocket pole subassembly the rotatory base of front support frame subassembly, be equipped with on the base with the pull rod that the lower push down the pole subassembly is connected, the pull rod can drive under the drive of lower push down the pole subassembly on the base the sliding sleeve is in remove on the back support frame. The baby carriage is small in size and convenient to carry after being folded. The push down lever assembly is opened fast by the torsional spring is supplementary when using to drive the sliding sleeve rebound, make the sliding sleeve drive sit pocket lever assembly drive front support subassembly and rotate and open, and open the back at the front support subassembly and lock the sliding sleeve by the elastic locking piece, thereby realize opening of perambulator, and simple structure, easy operation, be convenient for fold and open, open back overall structure more stable, can bear bigger weight.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an opening schematic view of a stroller in an embodiment of the present invention.

Fig. 2 is a schematic partially-folded view of the stroller in the embodiment of the present invention.

Fig. 3 is a schematic folding view of the stroller in the embodiment of the present invention.

Fig. 4 is a schematic partial cross-sectional view of a resilient locking element according to an embodiment of the invention.

Fig. 5 is a schematic structural diagram of a portion a in fig. 2 according to an embodiment of the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

1. a stroller body; 2. a seat pocket bar assembly; 3. a front carrier assembly; 4. a front wheel assembly; 5. a rear bracket assembly; 6. a rear wheel assembly; 7. a lower push rod assembly; 8. an upper push rod assembly; 9. a connecting rod sleeve; 10. a first folding assembly; 11. a rod sleeve; 12. a rotating shaft; 13. rotating the sleeve; 14. a torsion spring; 15. a limiting groove; 16. a rear support frame; 17. a sliding sleeve; 18. a resilient locking member; 19. a lock hole; 20. a base; 21. a pull rod; 22. a first rod sleeve; 23. a second rod sleeve; 24. a second folding assembly; 25. a switch assembly; 181. locking; 182. an elastic member; 183. and a push button.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A pushchair of the collapsible type, as shown in figures 1 and 2, comprising: a seat pocket bar assembly 2 rotatably connected with a front support assembly 3 of the seat pocket bar assembly 2, a front wheel assembly 4 is arranged at the bottom of the front support assembly 3, a connecting bar sleeve 9 is arranged at the top, a rotating shaft is arranged at the front side of the connecting bar sleeve 9 and is connected with a first bar sleeve 22, the first bar sleeve 22 is fixed with the front support assembly 3, so that the front support assembly 3 connected with the first bar sleeve 22 can rotate on the connecting bar sleeve 9, a second bar sleeve 23 is fixed at the bottom of the connecting bar sleeve 9, the second bar sleeve 23 is fixedly connected with a rear support assembly 5, a rear wheel assembly 6 is arranged at the bottom of the rear support assembly 5, a first folding assembly 10 is arranged at the rear side of the connecting bar sleeve 9, the first folding assembly 10 is connected with a lower push bar assembly 7, a second folding assembly 24 is arranged on the lower push bar assembly 7, the second folding assembly 24 is connected with an upper push bar assembly 8, a switch assembly 25 is arranged on the upper push bar assembly 8, the second folding assembly 24 is controlled to move by operating the switch assembly 25, the upper push rod assembly 8 and the lower push rod assembly 7 connected with the second folding assembly 24 can be folded in a rotating way; be equipped with back support frame 16 on the back support frame 5, be equipped with elastic locking piece 18 and sliding sleeve 17 on the back support frame 16, as shown in fig. 4, be equipped with lockhole 19 on the sliding sleeve 17, lockhole 19 can be connected with hasp 181 on the elastic locking piece 18, it is shown in fig. 2 to get back to, the side of sliding sleeve 17 is equipped with base 20, be equipped with pull rod 21 and pivot on the base 20, pivot and seat pocket pole subassembly 2 swivelling joint, one side and the pivot swivelling joint of pull rod 21, the opposite side and the pivot swivelling joint on the lower push rod subassembly 7. When the lower push rod assembly 7 is folded, the pull rod 21 drives the sliding sleeve 17 to move downwards on the rear support frame 16, the front support assembly 3 connected with the seat pocket rod assembly 2 is driven, and the front support assembly 3 and the lower push rod assembly 7 of the baby carriage are folded at two sides of the rear support assembly 5, as shown in fig. 3; or when the lower push rod assembly 7 is opened, the pull rod 21 drives the sliding sleeve 17 to move upwards on the rear supporting frame 16, and the front support assembly 3 connected with the connected seat pocket rod assembly 2 is driven to open, as shown in fig. 1.

Returning to fig. 2, the front bracket assembly 3, the rear bracket assembly 4 and the lower push rod assembly 7 are fixed to the first rod cover 22, the second rod cover 23 and the rod cover 11 by screws, respectively, and the second rod cover 23 is integrally formed with the connecting rod cover 9.

As shown in FIG. 1, when the sliding sleeve 17 moves upward on the rear support frame 16, it drives the connected seat bar assembly 2 to unfold the front support assembly 3 connected to the seat bar assembly 2, and when the sliding sleeve 17 moves to the elastic locking member 18 and is locked by the locking catch 181 on the elastic locking member 18, the folded stroller is unfolded. In this embodiment, the sliding sleeve 17 is driven by the lower push rod assembly 7 through the pull rod 21, while in other embodiments, the sliding sleeve 17 may be directly driven by human power.

As shown in fig. 2 and 3, when the sliding sleeve 17 is separated from the elastic locking member 18 and moves downwards, the connected seat pocket bar assembly 2 is driven, so that the front support assembly 3 connected with the seat pocket bar assembly 2 starts to fold, and when the sliding sleeve 17 moves to the lower side of the rear support frame 16, the unfolded seat pocket bar assembly 2 drives the front support assembly 3 to fold at the front side of the rear support frame 16. In this embodiment, the sliding sleeve 17 is driven by the lower push rod assembly 7 through the pull rod 21, while in other embodiments, the sliding sleeve 17 may be directly driven by human power.

As shown in fig. 4, the elastic locking member 18 includes an elastic member 182 and a latch 181, the latch 181 is engaged with the locking hole 19 of the sliding sleeve 17, and a guiding slope is disposed on a side of the latch 181 close to the sliding sleeve 17, so that the latch 181 can be smoothly engaged with the locking hole 19 when the sliding sleeve 17 moves upward. In this embodiment, the elastic member 182 is an elastic metal sheet, the elastic member 182 is pressed by the push button 183 disposed on the lock hole 19 and the lock catch 181, so that the elastic member 182 deforms to drive the lock catch 181 to retract and disengage from the lock hole 19 on the sliding sleeve 17, and the push button 183 can be pushed by a finger, or can be directly controlled by the switch assembly 25 or linked by the second folding assembly 24.

As shown in fig. 5, the first folding assembly 10 includes a rotating shaft 12 disposed on the rod sleeve 11, a rotating sleeve 13 disposed on the connecting rod sleeve 9 and connected to the rotating shaft 12, and a torsion spring 14 disposed between the rotating sleeve 13 and the rotating shaft 12, wherein the torsion spring 14 can be compressed after the rod sleeve 11 is folded, and after the rod sleeve 11 is unfolded, the rod sleeve 11 is driven to rotate and remain in a limiting groove 15 disposed on an upper side of the rotating sleeve 13 for positioning. In this embodiment, the first collapsible assembly 10 is provided with a torsion spring 14 to assist the unfolding of the foldable stroller. In other embodiments, the torsion spring 14 may assist in folding the stroller, and the torsion spring 14 may be replaced with an elastic member such as a coil spring.

Returning to fig. 1, the switch assembly 25 is used to control the switching of the second folding assembly 24 so that the second folding assembly 24 can be rotated or fixed.

In the present embodiment, since the front support assembly 3, the lower push rod assembly 7 and the upper push rod assembly 8 are connected by the rotation folding method, the stroller can be folded at both sides of the rear support assembly 5 when not in use, and the front support assembly 3 and the lower push rod assembly 7 are indirectly connected with the sliding sleeve 17, the sliding sleeve 17 needs to be moved to the lower side of the rear support frame 16 when folded, and the sliding sleeve 17 needs to be moved to the upper side of the rear support frame 16 when opened, and the lock 181 on the elastic locking member 18 is locked into the lock hole 19 of the sliding sleeve 17 to support the unfolded stroller. When the baby carriage is opened, the torsion spring 14 is arranged to assist the baby carriage to open, so that the baby carriage can be smoothly opened.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A collapsible pushchair comprising: a stroller body (1); the stroller body (1) comprises:

a seat pocket bar assembly (2);

the front support component (3) is rotatably connected with the seat pocket rod component (2), and a front wheel component (4) is arranged at the bottom of the front support component (3);

the rear support component (5) is arranged at the rear side of the front support component (3), and a rear wheel component (6) is arranged at the bottom of the rear support component (5);

the lower push rod assembly (7) is arranged at the rear side of the rear support assembly (5), and the upper push rod assembly (8) is rotatably connected to the lower push rod assembly (7); and the number of the first and second groups,

a connecting rod sleeve (9) which is arranged on the rear bracket component (5) and is rotationally connected with the front bracket component (3) and the lower push rod component (7); it is characterized in that the preparation method is characterized in that,

be equipped with first folding assembly (10) between connecting rod cover (9) and push down the push down lever assembly (7), first folding assembly (10) includes: the rod sleeve (11) is connected with the lower push rod assembly (7), a rotating shaft (12) is arranged on the rod sleeve (11), the rotating shaft (12) is connected with a rotating sleeve (13) arranged on the connecting rod sleeve (9), a torsion spring (14) connected with the rotating shaft (12) is arranged on the rotating sleeve (13), the torsion spring (14) can be pre-pressed under stress after the rod sleeve (11) is folded, and the rod sleeve (11) can be driven to rotate and be reserved in a limiting groove (15) arranged on the upper side of the rotating sleeve (13) after the rod sleeve (11) is unfolded;

be equipped with back support frame (16) on back support frame (5), be equipped with mobilizable sliding sleeve (17) and elastic locking piece (18) on back support frame (16), elastic locking piece (18) are located the upside of back support frame (16) and with lockhole (19) that are equipped with on sliding sleeve (17) are connected, sliding sleeve (17) are located one side of lower push rod subassembly (7) is equipped with the drive sit pocket pole subassembly (2) and with it connects to sit pocket pole subassembly (2) preceding support frame subassembly (3) rotatory base (20), be equipped with on base (20) with pull rod (21) that lower push rod subassembly (7) are connected, pull rod (21) can drive under the drive of lower push rod subassembly (7) on base (20) sliding sleeve (17) are in back support frame (16) is gone up and is moved.

2. A collapsible pushchair according to claim 1, characterised in that the connecting rod sleeve (9) is provided at its front side with a first rod sleeve (22) which is pivotally connected to the front carrier assembly (3) and at its bottom with a second rod sleeve (23) which is fixedly connected to the rear carrier assembly (5).

3. A pushchair according to claim 2, wherein said first sleeve (22) is rotatably connected to said connecting sleeve (9) by means of a pivot.

4. A collapsible stroller according to claim 1, wherein said seat-pocket bar assembly (2) is pivotally connected to said front frame assembly (3) on one side and to said base (20) on the other side.

5. A collapsible stroller according to claim 1, wherein the base (20) is provided with a pivot, said pivot being pivotally connected to the seat-pocket bar assembly (2) and the pull rod (21).

6. A collapsible stroller according to claim 1, wherein said resilient locking member (18) comprises a catch (181) projecting from a surface of said rear support frame (16) and a resilient member (182) disposed within said rear support frame (16) and connected to said catch (181).

7. A collapsible stroller according to claim 1, wherein the lower push rod assembly (7) and the upper push rod assembly (8) are connected by a second collapsing assembly (24), and the second collapsing assembly (24) is connected to a switch assembly (25) provided on the upper push rod assembly (8).