CN221162951U

CN221162951U - Foldable baby carriage

Info

Publication number: CN221162951U
Application number: CN202322880634.8U
Authority: CN
Inventors: 卢少军; 赵建伟; 盛国祥
Original assignee: Mugbu Technology Shanghai Co ltd
Current assignee: Mugbu Technology Shanghai Co ltd
Priority date: 2023-10-26
Filing date: 2023-10-26
Publication date: 2024-06-18
Anticipated expiration: 2033-10-26

Abstract

The utility model discloses a foldable baby carriage, and relates to the technical field of baby carriages. The utility model comprises a front bracket component, wherein two sides of the middle part of the front bracket component are respectively and rotatably connected with a seat connecting rod, one end of the front bracket component is rotatably connected with a push rod component, at least one upper connecting rod is rotatably connected between the push rod component and the seat connecting rod, the bottom end of the push rod component is rotatably connected with a rear bracket component, at least one lower connecting rod is rotatably connected between the rear bracket component and the seat connecting rod, the front bracket component comprises a lock head, and the push rod component comprises a locking mechanism. According to the utility model, the locking state of the baby carriage is freely switched by adjusting the buckling state between the lock head and the locking mechanism between the push rod and the bottom rod, and the use safety is improved through the vehicle body of the connecting rod structure.

Description

Foldable baby carriage

Technical Field

The utility model belongs to the technical field of baby carriages, and particularly relates to a foldable baby carriage.

Background

The baby carriage is a portable seat specially designed for a baby, wheels can move on the ground generally, and can be used for parents or caregivers to push the baby to move in indoor and outdoor environments, so that the baby can travel conveniently, and the baby carriage is provided with an adjustable structure generally, and is convenient to travel and carry. The choice of a suitable pushchair is critical to ensure the safety and comfort of the infant.

The patent specification with the bulletin number of CN207274762U discloses a folding baby carriage which comprises a handle, a second connecting piece, a third connecting piece, a front connecting leg, a fifth connecting piece, a sixth connecting piece, a seventh connecting piece and a rear connecting leg, wherein two ends of the second connecting piece are respectively and rotatably connected with the handle and the front connecting leg, two ends of the third connecting piece are respectively and rotatably connected with the second connecting piece and the rear connecting leg, and two ends of the sixth connecting piece are respectively and rotatably connected with the rear connecting leg and the seventh connecting piece. The handle rotates relative to the second connecting piece, so that the third connecting piece drives the sixth connecting piece to fold with the seventh connecting piece, the front connecting leg is folded with the rear connecting leg, and the handle is folded with the second connecting piece, the third connecting piece, the front connecting leg, the seventh connecting piece, the rear connecting leg and the ninth connecting piece.

The technical scheme has the defects that: when the baby carriage is used, the purpose of folding the baby carriage is achieved through the rotary connection of the connecting pieces, however, the baby carriage needs to be in a locking state in a stretching state, so that the safety of the baby carriage is ensured when the baby carriage is pushed, and the baby carriage is not locked in a normal use state, so that potential safety hazards exist when the baby carriage is used.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of utility model

The utility model aims to provide a foldable baby carriage, which aims to solve the following technical problems: when the existing folding baby carriage is used normally, the vehicle body cannot be locked, and potential safety hazards exist.

The aim of the utility model can be achieved by the following technical scheme:

The utility model provides a collapsible perambulator, includes the front bracket subassembly, front bracket subassembly middle part both sides all rotate and are connected with the seat connecting rod, front bracket subassembly one end rotates and is connected with the push rod subassembly, the push rod subassembly with rotate between the seat connecting rod and be connected with at least one upper link, push rod subassembly bottom rotates and is connected with the back support subassembly, the back support subassembly with rotate between the seat connecting rod and be connected with at least one lower link, the front bracket subassembly is including the tapered end, the push rod subassembly is including locking mechanical system, the tapered end with locking mechanical system is used for switching the locked state of perambulator.

As a further scheme of the utility model: the front bracket assembly further comprises a front main frame fixedly connected to one end of the lock head, a pedal is fixedly connected to one end, away from the lock head, of the front main frame, a plurality of anti-slip strips are arranged on the top end of the pedal, and universal wheels are rotatably connected to two sides of the bottom end of the pedal.

As a further scheme of the utility model: the push rod assembly further comprises a bottom rod with the bottom connected with the lock head in a rotating mode, the top of the bottom rod is sleeved with a push rod, and push handles are fixedly connected to two sides of the top end of the push rod.

As a further scheme of the utility model: the two seat connecting rods are in an outward-stretching state and are rotatably connected to the middle parts of two sides of the front main frame, a handle is arranged at the top of each seat connecting rod, one end of each upper connecting rod is rotatably connected to the upper part of each seat connecting rod on the adjacent side, and the other end of each upper connecting rod is rotatably connected to one side of the bottom of each bottom rod.

As a further scheme of the utility model: the utility model discloses a pedal, including bottom rod, rear bracket subassembly, bottom rod bottom, rear bracket subassembly is including with the pivot adaptation rotates the back body frame of being connected, the back body frame is including two support frames, and two the support frame install respectively in the pivot both sides, back body frame bottom fixedly connected with rear axle, rear wheel is installed in the rear axle outside, rear axle middle part fixedly connected with stops the footboard.

As a further scheme of the utility model: one end of the lower connecting rod is rotatably connected to the middle part of the adjacent side of the rear main frame, and the other end of the lower connecting rod is provided with a sleeve which is rotatably connected with the bottom of the seat connecting rod on the adjacent side.

As a further scheme of the utility model: the lock is characterized in that a retaining ring is fixedly connected to the middle of one side of the lock head, the locking mechanism comprises a locking piece fixedly connected to the top of the rotating shaft, a sliding cavity is formed in one side, close to the retaining ring, of the locking piece, a fastener is connected to the sliding cavity in a sliding mode, and a clamping block is arranged at the bottom of the fastener.

As a further scheme of the utility model: the clamping block is in buckling connection with the buckle, the top of the fastener is rotationally connected with a shifting sheet, the inner side of the top of the locking piece is provided with a positioning shaft, the positioning shaft is rotationally connected with the middle of the shifting sheet, one side, away from the sliding cavity, of the locking piece is provided with a positioning cavity, a positioning plate is slidably connected in the positioning cavity, the top of the positioning plate is fixedly connected with a pull rope, and the top end of the pull rope is fixedly connected with the bottom of the push rod.

The utility model has the beneficial effects that:

1. The locking head with the retaining ring is arranged on one side of the front main frame, the locking head is rotationally connected with the bottom rod with the locking mechanism, the push rod with the pull rope is sleeved in the bottom rod, the bottom of the pull rope is connected with the position adjusting plate of the locking mechanism, and when the relative position between the push rod and the bottom rod is adjusted, the locking and unlocking states of the clamping block and the retaining ring in the locking mechanism are switched, so that the baby carriage is in a locking state in the driving process, and the use safety is improved;

2. Through setting up multiunit member connecting pieces such as fore-stock subassembly, seat connecting rod, push rod subassembly, upper connecting rod, rear bracket subassembly and lower connecting rod on the automobile body, make the vehicle after the unblock, two sets of four link mechanism about two sets of accessible member connecting pieces are constituteed for the automobile body is convenient for fold and accomodate, and because the relevance when each link mechanism uses, under the vehicle in the locking state, can ensure the stability of each structure of automobile body, thereby can compromise security and convenience when making the perambulator use.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the folded state structure of the present utility model;

FIG. 3 is an exploded elevational view of a partial structure of the present utility model;

FIG. 4 is an exploded rear view of a partial structure of the present utility model;

fig. 5 is a partial cross-sectional view of the present utility model.

In the figure: 1. a front bracket assembly; 11. a lock head; 111. a clasp ring; 12. a front main frame; 13. a pedal; 14. an anti-slip strip; 15. a universal wheel; 2. a seat link; 3. a push rod assembly; 31. a locking mechanism; 311. a locking piece; 312. a sliding cavity; 313. a fastener; 314. a clamping block; 315. a shift sheet; 316. positioning a shaft; 317. a positioning cavity; 318. a positioning plate; 319. a pull rope; 32. a bottom bar; 33. a push rod; 34. a pushing handle; 35. a rotating shaft; 4. an upper connecting rod; 5. a rear bracket assembly; 51. a rear main frame; 52. a rear axle; 53. a rear wheel; 54. stopping the pedal; 6. and a lower connecting rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, a foldable stroller comprises a front bracket assembly 1, wherein the middle parts of two sides of the front bracket assembly 1 are respectively and rotatably connected with a seat connecting rod 2, one end of the front bracket assembly 1 is respectively and rotatably connected with a push rod assembly 3, the push rod assembly 3 is respectively and rotatably connected with an upper connecting rod 4 between the two seat connecting rods 2, two sides of the bottom end of the push rod assembly 3 are respectively and rotatably connected with a rear bracket assembly 5, the middle parts of two sides of the rear bracket assembly 5 are respectively and rotatably connected with a lower connecting rod 6 between the two seat connecting rods 2, the front bracket assembly 1 comprises a lock head 11, the push rod assembly 3 comprises a locking mechanism 31, and the lock head 11 and the locking mechanism 31 are used for switching the locking state of the stroller; since the folding operation of the seat link 2 is consistent, the upper link 4 and the lower link 6 include, but are not limited to, a double-bar structure separately provided at both sides of the vehicle body, and only one and a combination type of seat link 2 may be rotatably connected to the upper and lower portions, respectively.

The front bracket assembly 1 further comprises a front main frame 12 fixedly connected to one end of the lock head 11, the top end of one end, far away from the lock head 11, of the front main frame 12 is fixedly connected with a pedal 13, and an anti-slip strip 14 is arranged at the top of the pedal 13 and used for enhancing the friction force of an infant when the infant steps on, avoiding the collision of a more active child due to the slipping of the foot and improving the use safety; the universal wheels 15 are rotatably connected to the two sides of the bottom end of the pedal 13, so that flexible steering is facilitated during pushing.

The push rod assembly 3 further comprises a bottom rod 32 with the bottom rotatably connected with the lock head 11, a push rod 33 is sleeved at the top of the bottom rod 32, push handles 34 are fixedly connected to two sides of the top of the push rod 33, and the push handles 34 are used for pushing the baby carriage by parents.

The two seat connecting rods 2 are in an outward-stretching state and are rotatably connected to the middle parts of two sides of the front main frame 12, grips are arranged at the tops of the seat connecting rods 2 and are used for children to grip by force, one ends of the two upper connecting rods 4 are rotatably connected to the upper parts of the seat connecting rods 2 on the side, and the other ends of the two upper connecting rods are rotatably connected with the bottom side surfaces of the bottom rods 32 in an adaptation mode.

The pivot 35 has been installed to sill bar 32 bottom, back support subassembly 5 has included the back body frame 51 of being connected with pivot 35 adaptation rotation, back body frame 51 has included two support frames that are "eight" style of calligraphy and set up, and two support frames are installed respectively in the both sides of pivot 35, back body frame 51 bottom fixed connection rear axle 52, rear wheel 53 has been installed respectively to rear axle 52 both sides, rear axle 52 middle part fixed connection stops footboard 54, the perambulator is in the use, if the parents' both hands are flawless in time stops the shallow, the steady state of stopping the footboard 54 is ensured in the accessible step on, thereby adapt to comparatively complicated life service scenario.

One end of the lower link 6 is rotatably connected to the inner side of the middle part of the rear main frame 51, and the other end is provided with a sleeve rotatably connected to the bottom of the seat link 2.

As shown in fig. 3 to 5, the middle part of one side of the lock head 11 is fixedly connected with the retaining ring 111, the locking mechanism 31 comprises a locking piece 311 fixedly connected to the top of the rotating shaft 35, a sliding cavity 312 is formed in one side, close to the retaining ring 111, of the locking piece 311, a fastening piece 313 is slidably connected in the sliding cavity 312, a clamping block 314 is arranged at the bottom of the fastening piece 313, the clamping block 314 is inserted in the retaining ring 111, the top of the fastening piece 313 is rotatably connected with a shifting piece 315, a positioning shaft 316 is arranged at the inner side of the top of the locking piece 311, the middle part of the positioning shaft 316 is rotatably connected with the shifting piece 315, a positioning cavity 317 is formed in one side, far from the sliding cavity 312, of the locking piece 311, a positioning plate 318 is slidably connected in the positioning cavity 317, a pull rope 319 is preferably a flexible steel wire rope, and one end, far from the pull rope 319, is fixedly connected with the bottom end of a push rod 33 sleeved in the bottom rod 32.

Working principle: when the baby stroller needs to be folded, parents press the push rod 33 to enable the bottom of the push rod 33 sleeved on the bottom rod 32 to prop against the top end of the positioning plate 318, the positioning plate 318 slides downwards along the positioning cavity 317, the positioning plate 318 props against the shifting piece 315 in the sliding process, the shifting piece 315 is limited by the positioning shaft 316 in the middle, so that when one end of the shifting piece is pressed down by the positioning plate 318, the other end of the shifting piece 315 is synchronously lifted up, the other end of the shifting piece is rotationally connected with the fastening piece 313, the fastening piece 313 limited in the sliding cavity 312 moves upwards along with the shifting piece, and in the upward moving process, the clamping block 314 fixedly connected to the bottom of the fastening piece 313 is tripped with the fastening ring 111 of the lock head 11, so that the unlocking of the baby stroller is completed.

Then the parent rotates the push rod 33 which is accommodated in the bottom rod 32 to one side of the front bracket component 1, in the rotating process, the bottom end of the bottom rod 32 rotates at a fixed point at the lock head 11, meanwhile, the bottom rod 32 pushes the upper connecting rod 4 which is rotationally connected with the bottom rod 32 to rotate towards the pedal 13, when the upper connecting rod 4 rotates towards one side of the pedal 13, the seat connecting rod 2 which is rotationally connected with the upper connecting rod 4 is driven to fold towards the front main frame 12, at the moment, the lock head 11, the bottom rod 32, the upper connecting rod 4 and the seat connecting rod 2 sequentially form an upper four-bar mechanism when the baby carriage is folded, and the upper part folding of the baby carriage is realized;

Meanwhile, the upper folded bottom rod 32 is far away from the rotation connection point between the lower connecting rod 6 and the rear main frame 51 in the folding process, in order to adapt to the change of the increase of the distance between the two rotation points, in the earlier stage of fixed-point rotation connection of the bottom rod 32 and the lock head 11, the lower connecting rod 6 pulls the rear main frame 51 to approach one side of the front main frame 12, and when the rear main frame 51 approaches the front main frame 12 side, the rotation connection point between the rear main frame 51 and the rotating shaft 35 is far away from the rotation connection point between the seat connecting rod 2 and the lower connecting rod 6, and in order to adapt to the structural change, the rear main frame 51 is further contracted to the bottom of the front main frame 12, so that the final folding of the baby carriage is completed (see fig. 2), and in this process, the lower connecting rod 6, the rear main frame 51, the bottom rod 32 and the lock head 11 sequentially form a lower four-bar mechanism when the baby carriage is folded;

According to the above, the vehicle can be completely folded through the sequential linkage of the two groups of the connecting rod mechanisms after being unlocked, and the vehicle is in a stable state simultaneously in a locking state due to the linkage relevance of the two groups of the connecting rod mechanisms, so that the vehicle is convenient to fold and the stability in the locking state can be ensured simultaneously through the sequentially connected rod assemblies.

When the vehicle needs to be locked again, the folded push rod 33 is reset, the reset push rod 33 pulls the positioning plate 318 through the pull rope 319, the positioning plate 318 immediately presses down the fastening piece 313, the clamping block 314 is locked with the retaining ring 111 of the lock head 11 again, and the vehicle is locked again, so that the locking state of the baby carriage can be conveniently switched when the baby carriage is used, and the baby carriage is matched with the vehicle body of the connecting rod structure, so that the safety of the baby carriage when the baby carriage is used is kept when the baby carriage is convenient to switch the folding state, and the functional unity of the convenience and the safety of the use is achieved.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides a collapsible perambulator, includes front bracket assembly (1), its characterized in that, front bracket assembly (1) middle part both sides all rotate and are connected with seat connecting rod (2), front bracket assembly (1) one end rotates and is connected with push rod assembly (3), it is connected with at least one upper connecting rod (4) to rotate between push rod assembly (3) and seat connecting rod (2), push rod assembly (3) bottom rotates and is connected with back bracket assembly (5), it is connected with at least one lower connecting rod (6) to rotate between back bracket assembly (5) and seat connecting rod (2), front bracket assembly (1) are including tapered end (11), push rod assembly (3) are including locking mechanical system (31), tapered end (11) with locking mechanical system (31) are used for switching the locking state of perambulator.

2. The foldable baby carriage as claimed in claim 1, wherein the front bracket assembly (1) further comprises a front main frame (12) fixedly connected to one end of the lock head (11), one end of the front main frame (12) away from the lock head (11) is fixedly connected with a pedal (13), a plurality of anti-slip strips (14) are arranged at the top end of the pedal (13), and universal wheels (15) are rotatably connected to two sides of the bottom end of the pedal (13).

3. A foldable stroller according to claim 2, wherein the push rod assembly (3) further comprises a bottom rod (32) with a bottom rotatably connected with the lock head (11), the top of the bottom rod (32) is sleeved with a push rod (33), and both sides of the top end of the push rod (33) are fixedly connected with push handles (34).

4. A collapsible pushchair according to claim 3, wherein two of the seat links (2) are pivotally connected to the middle parts of the two sides of the front frame (12) in a splayed state, the top of the seat link (2) is provided with a grip, one end of the upper link (4) is pivotally connected to the upper part of the seat link (2) on the adjacent side, and the other end is pivotally connected to one side of the bottom bar (32).

5. A foldable stroller according to claim 3, wherein the bottom rod (32) has a bottom end provided with a rotating shaft (35), the rear bracket assembly (5) comprises a rear main frame (51) adapted to be rotatably connected with the rotating shaft (35), the rear main frame (51) comprises two supporting frames, the two supporting frames are respectively provided with two sides of the rotating shaft (35), the bottom end of the rear main frame (51) is fixedly connected with a rear wheel axle (52), a rear wheel (53) is provided outside the rear wheel axle (52), and a stop pedal (54) is fixedly connected with the middle part of the rear wheel axle (52).

6. A pushchair according to claim 5, wherein one end of the lower link (6) is rotatably connected to the middle of the adjacent side of the rear frame (51) and the other end is provided with a sleeve rotatably connected to the bottom of the seat link (2) on the adjacent side.

7. The foldable stroller of claim 5, wherein a retaining ring (111) is fixedly connected to a middle portion of one side of the lock head (11), the locking mechanism (31) comprises a locking piece (311) fixedly connected to the top of the rotating shaft (35), a sliding cavity (312) is arranged on one side, close to the retaining ring (111), of the locking piece (311), a fastener (313) is slidably connected to the sliding cavity (312), and a clamping block (314) is arranged at the bottom of the fastener (313).

8. The foldable stroller of claim 7, wherein the clamping block (314) is fastened with the retaining ring (111), a shift piece (315) is rotatably connected to the top of the fastener (313), a positioning shaft (316) is arranged on the inner side of the top of the locking piece (311), the positioning shaft (316) is rotatably connected with the middle of the shift piece (315), a positioning cavity (317) is arranged on one side, away from the sliding cavity (312), of the locking piece (311), a positioning plate (318) is slidably connected in the positioning cavity (317), a pull rope (319) is fixedly connected to the top of the positioning plate (318), and the top end of the pull rope (319) is fixedly connected with the bottom of the push rod (33).