CN215043053U

CN215043053U - Baby stroller capable of being unlocked and folded by push rod

Info

Publication number: CN215043053U
Application number: CN202120270892.2U
Authority: CN
Inventors: 赵汉杰
Original assignee: Zhejiang Baodi Baby Products Manufacturing Co ltd
Current assignee: Zhejiang Baodi Baby Products Manufacturing Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-12-07
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a baby's handcart of push rod unblock receipts car, including preceding foot joint, after-poppet, hand (hold) joint, release mechanism, gear shifting mechanism, two locks, receipts closing mechanism, seat, preceding foot joint and the rotatable lock joint of hand (hold) joint, the rotatable formula in after-poppet tip and hand (hold) joint one side is connected, all the sleeve pipe that has docked on the two hand (hold) joints, release mechanism on the hand (hold) inner tube is through the separating seat butt joint of the gear shifting mechanism at the stay wire of its button both sides and hand (hold) inner tube both ends, the locking piece of the last gear shifting piece tip of gear shifting mechanism and the lockhole butt joint on the sleeve pipe, preceding foot joint is equipped with in the hand (hold) joint and receives closing mechanism, receives closing mechanism and includes the arc wall of preceding foot joint one side and the locking piece in the hand (hold) joint, is equipped with the installation pipe between the two hand (hold) joints, and the butt joint of seat through both sides is docked with the hand (hold) joint. The three unlocking folding devices have safe and reliable operation, smooth folding linkage, high linkage performance of the sliding blocks and convenient folding and carrying.

Description

Baby stroller capable of being unlocked and folded by push rod

Technical Field

The utility model relates to a technical field of infant and children's articles for use, especially a baby's handcart of car is received in push rod unblock.

Background

The baby stroller is a favorite walking vehicle for babies, and is an essential product for mothers to go shopping with babies. Baby's handcart variety on the present market is various, because for convenient transport and carrying, the linkage form of taking up the car is also manifold, and most baby's handcart all can fold up after the unblock now, conveniently deposits, and current handcart unblock simple structure, influences the use or causes baby's incident after taking place the maloperation unblock easily, and it is poor to fold up the linkage performance of mechanism moreover.

Disclosure of Invention

In order to solve the above problem, the present invention provides a baby stroller with three unlocking mechanisms, which is foldable, safe and reliable in operation, smooth in linkage, high in linkage performance of the sliding block, and convenient for folding and unfolding.

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

a push rod unlocking baby stroller capable of being folded comprises two pairs of front foot joints, a rear support, handle joints, an unlocking mechanism, a gear shifting mechanism, two locks, a folding mechanism and a seat, wherein the front foot joints and the handle joints are symmetrically designed, the front foot joints and the handle joints are rotatably fastened, the end part of the rear support is rotatably connected with one side of the handle joints, the front support and the rear support which are butted by the front foot joints are respectively provided with a pair of front wheels and a pair of rear wheels, the two handle joints are respectively butted with a sleeve, the two ends of a handle inner tube are sleeved in two sleeves, the handle inner tube is provided with the unlocking mechanism, the unlocking mechanism is butted with separating seats of the gear shifting mechanism at the two ends of the handle inner tube through pull wires at the two sides of a key on the unlocking mechanism, a lock block at the end part of a gear shifting piece on the gear shifting mechanism is butted with a lock hole on the sleeve, the two locks are arranged at the upper ends of the sleeves, the front foot joints and the handle joints are internally provided with the folding mechanism, the folding mechanism comprises an arc-shaped groove at one side of the front foot joint and a locking piece in the handle joint, one side of the locking piece is in butt joint with the arc-shaped groove, a mounting pipe is arranged between the two handle joints, and the seat is in butt joint with the handle joint through the butt joint pieces at the two sides.

Preferably, the front foot joint and the handlebar joint are rotatably buckled through a central shaft.

Preferably, a brake lever is arranged between the two rear wheels of the rear support.

Preferably, the handle inner tube is telescopically movable within the two sleeves.

Preferably, the unlocking mechanism comprises a shell, a key and a pull wire, the key is embedded in the shell, a pair of limiting columns is arranged in the shell, the pull wire bypasses the limiting columns and is in butt joint with the two sides of the key, the pull wire is located in the handle inner tube, and one side of the key extends into the handle inner tube.

Preferably, the gear shifting mechanism comprises a separating seat, a gear shifting piece and a pushing piece, the gear shifting piece is sleeved in a limiting port on the separating seat, a locking block at the end part of the gear shifting piece extends out of a sleeve and is fastened with a locking hole on the sleeve, the pushing piece is butted in a U-shaped groove arranged on one side of the gear shifting piece, inclined planes which are mutually contacted are arranged on the pushing piece and one side of the gear shifting piece, the pushing piece is arranged in a sliding groove of the separating seat, a pull wire penetrates through the separating seat and is butted with the pushing piece, and springs I are arranged on the pull wire between the side of the inclined plane of the pushing piece, the U-shaped groove of the gear shifting piece and the inner wall of the sliding groove of the pushing piece end part and the separating seat.

Preferably, the second lock comprises a pressing sheet on the sleeve and a spring sheet in the handle inner tube, the buckling column at the end part of the spring sheet extends out of the handle inner tube, the height of the buckling column is higher than that of the inner wall of the sleeve, and the pressing sheet and the buckling column are designed correspondingly.

Preferably, the folding mechanism comprises an arc-shaped groove, a moving groove, a locking piece and an unlocking plug-in piece, the arc-shaped groove is formed in the front foot joint, a locking groove is formed in one side of the arc-shaped groove in a communicated mode, the moving groove is formed in the handle joint, one side of the locking piece is buckled in the moving groove and can move linearly, the other side of the locking piece is buckled with the arc-shaped groove and is buckled with the locking groove in one side of the arc-shaped groove, one end of the locking piece is provided with a spring II, the other end of the locking piece is in contact with the unlocking plug-in piece of the inner groove of the handle joint, and the other end of the unlocking plug-in piece corresponds to the end of the inner pipe of the handle.

Preferably, the end part of the rear bracket is in rotatable butt joint with the handle joint, the butt joint position is connected with a guide post, the guide post is in butt joint with a guide groove on one side of the front foot joint, the other end of a supporting tube which is rotatably arranged on the rear bracket is in butt joint with a strip-shaped groove on the front bracket, and the supporting tube can move and rotate in the strip-shaped groove.

Preferably, the two sides of the seat are buckled with the slots on the inner sides of the handlebar joints through the butting pieces.

The utility model discloses a beneficial condition lies in: the three unlocking folding devices have safe and reliable operation, smooth folding linkage, high linkage performance of the sliding blocks and convenient folding and carrying.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is an exploded view of the folding mechanism of the present invention.

Fig. 3 is a schematic view of the connection structure between the key and the outer cover of the present invention.

Fig. 4 is an exploded view of the gearshift mechanism of the present invention.

Fig. 5 is an exploded view of the front foot joint and locking member of the present invention.

Fig. 6 is an exploded view of the front foot joint and the handle joint of the present invention.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5, 6, a push rod unlocking baby stroller comprises a front leg joint 1, a rear bracket 5, a handle joint 8, an unlocking mechanism, a gear shifting mechanism, a secondary lock, a folding mechanism and a seat 34, wherein the front leg joint 1 and the handle joint 8 are respectively provided with two pairs and are symmetrically designed, the front leg joint 1 and the handle joint 8 are rotatably buckled, the end part of the rear bracket 5 is rotatably connected with one side of the handle joint 8, a front bracket 2 and the rear bracket 5 which are butted by the front leg joint 1 are respectively provided with a pair of front wheels 4 and a pair of rear wheels 6, the two handle joints 8 are respectively butted with a sleeve 9, two ends of a handle inner tube 10 are sleeved in the two sleeves 9, the handle inner tube 10 is provided with the unlocking mechanism, the unlocking mechanism is butted with separating seats 15 of the gear shifting mechanism at two ends of the handle inner tube 10 by pull wires 14 at two sides of a key 13 on the unlocking mechanism, a lock block 18 at the end part of a gear shifting piece 17 on the gear shifting mechanism is butted with a lock hole on the sleeve 9, the upper end of the sleeve 9 is provided with two locks, the front foot joint 1 and the handle joint 8 are internally provided with a folding mechanism, the folding mechanism comprises an arc-shaped groove 24 on one side of the front foot joint 1 and a locking piece 27 in the handle joint 8, one side of the locking piece 27 is in butt joint with the arc-shaped groove 24, an installation pipe 32 is arranged between the two handle joints 8, and the seat 34 is in butt joint with the handle joint 8 through butt joints on two sides. The front foot joint 1 and the handle joint 8 are rotatably buckled through a central shaft. A brake lever 7 is arranged between the two rear wheels 6 of the rear bracket 5. The handle inner tube 10 can move telescopically in the two sleeves 9. The unlocking mechanism comprises a shell 11, a key 13 and a pull wire 14, wherein the key is embedded in the shell 11, a pair of limiting columns 12 is arranged in the shell 11, the pull wire 14 bypasses the limiting columns 12 and is in butt joint with the two sides of the key 13, the pull wire 14 is positioned in the handle inner tube 10, and one side of the key 13 extends into the handle inner tube 10. The gear shifting mechanism comprises a separating seat 15, a gear shifting piece 17 and a pushing piece 20, the gear shifting piece 17 is sleeved in a limiting port 16 on the separating seat 15, a locking block 18 at the end part of the gear shifting piece 17 extends out of a sleeve 9 and is buckled with a locking hole on the sleeve 9, the pushing piece 20 is butted in a U-shaped groove 19 arranged on one side of the gear shifting piece 17, inclined planes 21 which are mutually contacted are arranged on one sides of the pushing piece 20 and the gear shifting piece 17, the pushing piece 20 is arranged in a sliding groove of the separating seat 15, a pull wire 14 penetrates through the separating seat 15 and is butted with the pushing piece 20, and springs 22 are arranged on the pull wire 14 beside the inclined plane 21 of the pushing piece 20 and between the U-shaped groove 19 of the gear shifting piece 17 and between the end part of the pushing piece 20 and the inner wall of the sliding groove of the separating seat 15. The secondary lock comprises a pressing sheet 23 on the sleeve 9 and an elastic sheet in the handle inner tube 10, a buckling column at the end part of the elastic sheet extends out of the handle inner tube 10, the height of the buckling column is higher than that of the inner wall of the sleeve 9, and the pressing sheet 23 and the buckling column are designed correspondingly. The folding mechanism comprises an arc-shaped groove 24, a moving groove 26, a locking piece 27 and an unlocking plug-in 29, the arc-shaped groove 24 is arranged on the front foot joint 1, the arc-shaped groove 24 is communicated with the locking groove 25 on one side, the moving groove 26 is arranged in the handle joint 8, one side of the locking piece 27 is buckled on the moving groove 26, the locking piece can move linearly, the other side of the locking piece is buckled with the arc-shaped groove 24 and is buckled with the locking groove 25 on one side of the arc-shaped groove 24, one end of the locking piece 27 is provided with a spring II 28, the other end of the locking piece is contacted with the unlocking plug-in 29 in the groove in the handle joint 8, and the other end of the unlocking plug-in 29 corresponds to the end of the handle inner pipe 10. 5 tip of after-poppet and the rotatable butt joint of hand (hold) joint 8, and the butt joint position is connected with the guide post, the guide post docks with the guide way 31 of forepaw joint 1 one side, the supporting tube 30 other end that rotatable formula was equipped with on the after-poppet 5 docks with bar groove 3 on the fore-stock 2, and supporting tube 30 is portable and rotate in bar groove 3. The two sides of the seat 34 are buckled with the insertion grooves 33 on the inner side of the handlebar knuckle 8 through butt-joint pieces.

The utility model discloses a front bracket 2 and a rear bracket 5 are respectively provided with a pair of front wheels 4 and a pair of rear wheels 6 for advancing and retreating, brake is used for parking through the brake lever 7 between the rear wheels 6, parking is safe, when the height of the handle inner tube 10 is adjusted, the unlocking is carried out through the unlocking mechanism, the button 13 is pressed, the pull wire 14 is driven to contract, thereby the pull wire 14 drives the pushing piece 20 to move, the pushing piece 20 enables the gear shifting piece 17 to move in the limiting port 16 through the inclined plane 21, the locking block 18 on the gear shifting piece 17 is moved out from the lock hole of the sleeve, thereby the position of the handle inner tube 10 in the sleeve 9 can be moved, the lock hole in different positions of the sleeve 9 is butted through the locking block 18, thereby the height of the handle inner tube 10 is adjusted, the pushing is convenient for people with different heights, when needing to unlock and receive the vehicle, the unlocking is carried out repeatedly, the action of the unlocking mechanism and the gear shifting mechanism, at the moment, the handle inner tube 10 can move in the sleeve 9, the pressing piece 23 of the two locks is pressed, therefore, when the buckling column on the elastic sheet in the handle inner tube 10 moves to the position of the pressing sheet 23, the pressing sheet 23 can guide the buckling column into the handle inner tube 10, so that the handle inner tube 10 can continuously extend into the sleeve 9 to impact the unlocking plug-in 29 to be unlocked completely, at this time, a three-lock structure is completed, the unlocking and folding mechanism can be unlocked, the end part of the handle inner tube 10 extends into the sleeve to impact the unlocking plug-in 29, the unlocking plug-in 29 drives the locking block 27 to move downwards, so that the locking block 27 is separated from the locking groove 25, one side of the locking block 27 can move in an arc shape in the arc-shaped groove 24, the handle joint 8 and the front foot joint 1 rotate relatively to be folded, meanwhile, the connecting point of the end part of the rear bracket 5 and the handle joint 8 also moves in the moving groove 26 of the front foot joint 1, the end part of the supporting tube 30 moves in the strip-shaped groove 3 of the front bracket 2, and finally the effect that the front bracket 2, the rear bracket 5 and the handle inner tube 10 are folded to one side is realized, when the baby stroller needs to be unfolded, the handle inner tube 10 is rotated, meanwhile, due to the effects of the first spring 22 and the second spring 28, the lock block 18 on the gear shifting piece 17 is buckled with the lock hole of the sleeve 9 again, the locking piece 27 is buckled with the lock groove 25 in the front foot joint 1 again due to the resetting of the second spring 28, the re-unfolding effect is achieved, the seat 34 is butted with the slot 33 of the handle joint 8 through the butting piece, the dismounting is convenient, the seat 34 is used for baby rest, and the design of the tube 32 arranged between the two handle joints 8 is convenient to fix and carry and pull.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The baby stroller capable of being unlocked and folded by the push rod comprises a front foot joint (1), a rear support (5), a handle joint (8), an unlocking mechanism, a gear shifting mechanism, two locks, a folding mechanism and a seat (34), and is characterized in that the front foot joint (1) and the handle joint (8) are respectively provided with two pairs and are symmetrically designed, the front foot joint (1) and the handle joint (8) can be rotatably buckled, the end part of the rear support (5) is rotatably connected with one side of the handle joint (8), a pair of front wheels (4) and a pair of rear wheels (6) are respectively arranged on the front support (2) and the rear support (5) which are butted with the front foot joint (1), sleeves (9) are respectively butted on the two handle joints (8), the two ends of a handle inner tube (10) are sleeved in the two sleeves (9), the unlocking mechanism is arranged on the handle inner tube (10), and the unlocking mechanism and the seat (14) of the gear shifting mechanism and the handle inner tube (10) at the two ends of a button (13) are separated by a pull wire (14) on the unlocking mechanism 15) Butt joint, the locking piece (18) of the piece of shifting (17) tip on the gear shifting mechanism docks with the lockhole on sleeve pipe (9), sleeve pipe (9) upper end is equipped with two locks, be equipped with in preceding foot joint (1) and hand (hold) joint (8) and close the mechanism, close the mechanism and include arc wall (24) and the locking piece (27) in hand (hold) joint (8) of preceding foot joint (1) one side, and locking piece (27) one side and arc wall (24) butt joint, be equipped with between two hand (hold) joint (8) installation pipe (32), and seat (34) butt joint and hand (hold) joint (8) butt joint through the butt joint piece of both sides.

2. A stroller according to claim 1, wherein said front foot joint (1) is pivotally connected to said handlebar joint (8) by means of a central shaft.

3. A push-rod unlocking stroller according to claim 1, wherein a brake lever (7) is provided between the rear wheels (6) of the rear frame (5).

4. A stroller according to claim 1, wherein said handle inner tube (10) is telescopically movable within two sleeves (9).

5. The stroller of claim 1, wherein the unlocking mechanism comprises a housing (11), a button (13) and a pull wire (14), the button is embedded in the housing (11), a pair of limiting posts (12) is arranged in the housing (11), the pull wire (14) bypasses the limiting posts (12) and is in butt joint with two sides of the button (13), the pull wire (14) is positioned in the handle inner tube (10), and one side of the button (13) extends into the handle inner tube (10).

6. The stroller of claim 1, wherein the shift mechanism comprises a separating seat (15), a shift member (17) and a pushing member (20), the shift member (17) is sleeved in a limiting opening (16) of the separating seat (15), a locking block (18) at the end of the shift member (17) extends out of the sleeve (9) and is fastened with a locking hole of the sleeve (9), the pushing member (20) is abutted in a U-shaped groove (19) formed in one side of the shift member (17), the pushing member (20) and one side of the shift member (17) are respectively provided with an inclined surface (21) which are in contact with each other, the pushing member (20) is arranged in a sliding groove of the separating seat (15), the pull wire (14) passes through the separating seat (15) and is abutted with the pushing member (20), a spring (22) is arranged between the inclined surface (21) of the pushing member (20) and the U-shaped groove (19) of the shift member (17), and the pull wire (14) between the end of the pushing member (20) and the inner wall of the sliding groove of the separating seat (15) ).

7. The stroller as claimed in claim 1, wherein the secondary lock comprises a pressing piece (23) on the sleeve (9) and a spring plate inside the inner tube (10), the buckle post at the end of the spring plate extends out of the inner tube (10), the height of the buckle post is higher than the inner wall of the sleeve (9), and the pressing piece (23) and the buckle post are designed correspondingly.

8. The stroller of claim 1, wherein the folding mechanism comprises an arc-shaped groove (24), a moving groove (26), a locking member (27) and an unlocking plug-in member (29), the arc-shaped groove (24) is disposed on the front leg joint (1), one side of the arc-shaped groove (24) is communicated with the locking groove (25), the moving groove (26) is disposed in the handle joint (8), one side of the locking member (27) is fastened to the moving groove (26) and can move linearly, the other side of the locking member is fastened to the arc-shaped groove (24) and is fastened to the locking groove (25) on one side of the arc-shaped groove (24), one end of the locking member (27) is provided with a second spring (28), the other end of the inner groove is in contact with the unlocking plug-in member (29) of the handle joint (8), and the other end of the unlocking plug-in member (29) corresponds to the end of the handle inner tube (10).

9. The stroller of claim 1, wherein the end of the rear frame (5) is rotatably connected to the handle joint (8) and the connecting position is connected to a guide post, the guide post is connected to a guide groove (31) on one side of the front leg joint (1), the other end of a support tube (30) rotatably disposed on the rear frame (5) is connected to a strip-shaped groove (3) on the front frame (2), and the support tube (30) is movable and rotatable in the strip-shaped groove (3).

10. A stroller according to claim 1, wherein said seat (34) is fastened at both sides to slots (33) formed in the inner side of said handlebar knuckle (8) by means of abutment members.