CN213921349U

CN213921349U - Baby carriage

Info

Publication number: CN213921349U
Application number: CN202022732426.XU
Authority: CN
Inventors: 李�杰
Original assignee: Dongguan Ruibao Children's Products Co ltd
Current assignee: Dongguan Ruibao Children's Products Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-10
Anticipated expiration: 2030-11-23

Abstract

The utility model provides a baby carriage, first connecting rod one end is equipped with the front wheel, the first connecting rod other end is equipped with the spacer pin, two first connecting rods are articulated with the stationary blade, the body frame front side articulates there is the sleeve, be equipped with between sleeve and the body frame and stir the subassembly, stir the subassembly and include the swing arm, driving lever and push-and-pull piece, swing arm one end is articulated with the sleeve, the swing arm other end is articulated with the driving lever, the driving lever intermediate position is articulated with the body frame, be equipped with the spout on the driving lever, be equipped with the round pin axle that passes the spout on the push-and-pull piece, it has two push-and-pull rods to articulate on the push-and-pull piece, the two push-and-pull rod other ends rotate with the spacer pin on the first connecting rod of corresponding side respectively and be connected. The utility model provides a pair of bassinet adopts to set up between sleeve and the push-and-pull rod and stirs the subassembly, drives the first connecting rod of push-and-pull rod push-and-pull through folding or expansion sleeve to the front wheel that will locate on the first connecting rod is folding or expand, the simple operation.

Description

Baby carriage

Technical Field

The utility model relates to a child's bike technical field especially relates to a bassinet.

Background

In the prior art, some strollers simulate adult car designs in order to provide children with driving pleasure, and include a body having a seat, a steering lever or wheel positioned in front of the seat for controlling the direction of travel of the vehicle, and two sets of front wheels disposed on the left and right sides of the front portion of the body and two sets of rear wheels disposed on the left and right sides of the rear portion of the body. At present, the structure that this type of bassinet adopted all is not folding basically leads to taking great space, causes storage, transportation to and daily use such as accomodating and carrying is all comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to overcome the defects that the baby carriage in the prior art can not be folded and is inconvenient to store and carry, the utility model provides a baby carriage.

The utility model provides a technical scheme that its technical problem will adopt is: a baby carriage comprises a main frame, two rear wheels rotatably connected with the main frame are arranged at two ends of the rear side of the main frame, a fixing piece is arranged at the front side of the main frame, two front wheels are arranged at two sides of the fixing piece, a folding assembly is arranged between each front wheel and the corresponding fixing piece and comprises a first connecting rod, the front wheel is arranged at one end of the first connecting rod, a limiting pin is arranged at the other end of the first connecting rod, the middle positions of the two first connecting rods are respectively hinged with the fixing pieces at the corresponding side edges,

the front side of the main frame is hinged with a sleeve, the sleeve inclines upwards from front to back, a shifting assembly for driving the first connecting rod to rotate along a hinged joint with a fixed piece is arranged between the sleeve and the main frame, the shifting assembly comprises a swing arm, a shift lever and a push-pull block, one end of the swing arm is hinged with the sleeve, the other end of the swing arm is hinged with one end of the shift lever, the middle position of the shift lever is hinged with the main frame, a chute is arranged on the part of the shift lever away from the swing arm, a pin shaft penetrates through the chute and is fixedly connected to the push-pull block, two push-pull rods are hinged to the push-pull block, one ends of the two push-pull rods away from the push-pull block are respectively connected with a limiting pin on the first connecting rod on the corresponding side edge in a rotating manner,

when the baby carriage is converted from the unfolding state to the folding state, the sleeve is folded towards the main frame, the pin shaft drives the push-pull block to move, and the push-pull block drives the first connecting rod to fold the front wheels at the two sides at the left side and the right side of the main frame.

The fixing piece is used for connecting the first connecting rod, so that the first connecting rod rotates on the fixing piece along a hinge point; the sleeve is hinged with the front side of the main frame and is used for rotating along a hinged point when the baby carriage is folded or unfolded, so that the swing arm is driven to be close to or far away from the main frame; the swing arm is close to or far away from the main frame and used for driving the driving lever to swing along a hinge point connected with the main frame, the driving lever swings along the hinge point and is used for driving a pin shaft arranged in the sliding groove to move so as to drive the push-pull block to move, and the two ends of the push-pull rod are respectively hinged with the push-pull block and the first connecting rod, so that the first connecting rod is driven to rotate along the hinge point when the push-pull block moves; so when the sleeve is folding along the pin joint, the push-and-pull rod promotes first connecting rod, and first connecting rod rotates along the pin joint, makes the front wheel of locating on first connecting rod gather up to the body frame both sides, and when the sleeve expandes along the pin joint, the first connecting rod of push-and-pull rod pulling, first connecting rod rotates along the pin joint, makes the front wheel of locating on first connecting rod expand to both sides and reset.

Further, folding assembly still includes second connecting rod, third connecting rod and fourth connecting rod, first connecting rod, third connecting rod, second connecting rod and fourth connecting rod are articulated in proper order end to end and are formed quadrilateral structure, first connecting rod and second connecting rod set up relatively, the third connecting rod is located on the front wheel hub, first connecting rod and fourth connecting rod hinge point are connected with the stationary blade rotation.

The quadrilateral structure formed by the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod enables the front wheel to be close to the first connecting rod when being folded and contracted, reduces the occupied space and can also ensure that the direction of the front wheel is not inclined when being unfolded.

Furthermore, the fixing piece is provided with a limiting groove matched with the limiting pin. After the limiting pin is rotated into the limiting groove, the front wheel is completely unfolded.

Further, still including turning to the subassembly, turn to the subassembly and include pivot, fifth connecting rod and sixth connecting rod, the pivot locate the stationary blade with the stationary blade rotates to be connected, pivot and the steering column universal joint in the sleeve, the fifth connecting rod both ends respectively with two fourth connecting rod is articulated with second connecting rod pin joint in the folding assembly, sixth connecting rod one end with fifth connecting rod intermediate position is articulated, the sixth connecting rod other end with pivot fixed connection.

Because the rotating shaft is connected with the sleeve in a universal mode, the rotating shaft is driven to rotate when the steering wheel is operated, the rotating shaft drives the sixth connecting rod to swing, the sixth connecting rod drives the fifth connecting rod to swing left and right, and the fifth connecting rod pushes and pulls the hinged joint of the fourth connecting rod and the second connecting rod, so that the front wheel arranged on the third connecting rod is driven to steer.

Further, the driving lever penetrates through the main frame, and an avoiding groove matched with the driving lever is formed in the main frame. The main frame is provided with an avoiding groove for avoiding the deflector rod, so that the deflector rod can freely swing along a hinged point with the main frame.

Furthermore, in order to adjust and fix the position of the saddle on the main frame, a sliding sleeve is connected to the main frame in a sliding manner, the saddle is fixedly connected to the sliding sleeve, a fixing piece used for fixing the sliding sleeve on the main frame is arranged on the sliding sleeve, and the fixing piece can be a bolt, an elastic pin, a pull pin and the like.

The utility model has the advantages that: the utility model provides a pair of bassinet adopts to set up between sleeve and the push-and-pull rod and stirs the subassembly, drives the first connecting rod of push-and-pull rod push-and-pull through folding or expansion sleeve to the front wheel that will locate on the first connecting rod is folding or expand, and the simple operation makes things convenient for daily accomodating and carrying.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is an enlarged schematic view of A of FIG. 1;

FIG. 3 is a bottom view of the preferred embodiment of the present invention;

FIG. 4 is a schematic view of the preferred embodiment of the present invention in a folded state;

fig. 5 is an enlarged schematic view of B in fig. 4.

In the figure: 1. the main frame, 1-1, the stationary blade, 1-2, the spacing groove, 2, the rear wheel, 4, the front wheel, 5, the first connecting rod, 5-1, the spacer pin, 7, the sleeve, 8, the swing arm, 9, the driving lever, 9-1, the spout, 10, the push-and-pull piece, 10-1, the round pin axle, 11, the push-and-pull rod, 12, the second connecting rod, 13, the third connecting rod, 14, the fourth connecting rod, 15, the pivot, 16, the fifth connecting rod, 17, the sixth connecting rod, 18, dodge the groove, 19, the sliding sleeve, 20, the saddle.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

As shown in figures 1-5, the utility model relates to a baby carriage, which comprises a main frame 1, two rear wheels 2 rotatably connected with the main frame 1 are arranged at two ends of the rear side of the main frame 1, a fixing sheet 1-1 is arranged at the front side of the main frame 1, two front wheels 4 are arranged at two sides of the fixing sheet 1-1, a folding component is arranged between the two front wheels 4 and the fixing sheet 1-1, the folding component comprises a first connecting rod 5, the front wheel 4 is arranged at one end of the first connecting rod 5, a limit pin 5-1 is arranged at the other end of the first connecting rod 5, the middle positions of the two first connecting rods 5 are respectively hinged with the fixing sheets 1-1 at the corresponding side edges, the axis of the hinge point of the first connecting rod 5 and the fixing sheets 1-1 is arranged along the vertical direction,

the front side of the main frame 1 is hinged with a sleeve 7, the axis of a hinged point of the main frame 1 and the sleeve 7 is arranged along the horizontal direction, the sleeve 7 inclines upwards from front to back, a poking component for driving the first connecting rod 5 to rotate along the hinged point with the fixing piece 1-1 is arranged between the sleeve 7 and the main frame 1, the poking component comprises a swinging arm 8, a poking rod 9 and a push-pull block 10, one end of the swinging arm 8 is hinged with the side wall of the sleeve 7 close to the lower end, the other end of the swinging arm 8 is hinged with one end of the poking rod 9, the axes of the hinged point on the swinging arm 8 are all arranged along the horizontal direction, the middle position of the poking rod 9 is hinged with the position close to the front side of the upper end of the main frame 1, the axis of the hinged point of the poking rod 9 and the main frame 1 is arranged along the horizontal direction, and the part of the poking rod 9 far away from the swinging arm 8 is provided with a chute 9-1 arranged along the length direction of the poking rod 9, the push-pull block 10 is arranged below the main frame 1, a pin shaft 10-1 penetrating through the sliding groove 9-1 is arranged on the push-pull block 10, two push-pull rods 11 are hinged to the push-pull block 10, and the other ends of the two push-pull rods 11 are respectively and rotatably connected with a limiting pin 5-1 on the first connecting rod 5 on the corresponding side edge.

Folding assembly still includes second connecting rod 12, third connecting rod 13 and fourth connecting rod 14, first connecting rod 5, third connecting rod 13, second connecting rod 12 and fourth connecting rod 14 end to end articulate formation quadrilateral structure in proper order, first connecting rod 5 and second connecting rod 12 set up relatively, third connecting rod 13 is located on 4 wheel hubs of front wheel, first connecting rod 5 sets up along vertical direction with fourth connecting rod 14 pin joint and stationary blade 1-1 is articulated.

The fixing piece 1-1 is provided with a limiting groove 1-2 matched with the limiting pin 5-1.

Still include and turn to the subassembly, turn to the subassembly and include pivot 15, fifth connecting rod 16 and sixth connecting rod 17, pivot 15 is vertical to be located on stationary blade 1-1, the steering column in 15 upper ends of pivot and the sleeve 7 passes through universal joint universal connection, the 16 both ends of fifth connecting rod respectively with two fourth connecting rod 14 is articulated with 12 pin joints of second connecting rod in the folding assembly, sixth connecting rod 17 one end with the 16 intermediate positions of fifth connecting rod are articulated, the sixth connecting rod 17 other end with pivot 15 fixed connection.

The deflector rod 9 penetrates through the main frame 1, and an avoidance groove 18 matched with the deflector rod 9 is formed in the main frame 1.

The frame 1 goes up the cover and is equipped with sliding sleeve 19, sliding sleeve 19 upper end fixedly connected with saddle 20, be equipped with a plurality of bolts that are used for fixing sliding sleeve 19 on frame 1 on the sliding sleeve 19.

Folding and unfolding processes:

the sleeve 7 is rotated to be folded along a hinged point to the direction close to the main frame 1, the sleeve 7 drives the swing arm 8 to move, when the swing arm 8 is close to the main frame 1, the shift lever 9 is driven to swing along the hinged point connected with the main frame 1, in the swinging process of the shift lever 9 along the hinged point, the sliding groove 9-1 shifts the pin shaft 10-1, so that the push-pull block 10 is driven to move, as the two ends of the push-pull rod 11 are respectively hinged with the first connecting rod 5 and the push block, the push block can only move on one plane, the push-pull block 10 forwards pushes the push-pull rod 11 under the action of the shift lever 9, the push-pull rod 11 pushes the limit pin 5-1 to slide out of the limit groove 1-2 on the fixed plate 1-1, the first connecting rod 5 rotates along the hinged point until the front wheels 4 arranged on the third connecting rod 13 shrink on the left side and the right side of the main frame 1, and folding is completed.

On the contrary, when the sleeve 7 rotates along the hinge point to the direction far away from the main frame 1 for unfolding, the position of the front wheel 4 is reset to finish unfolding when the limit pin 5-1 slides into the limit groove 1-2 on the fixing sheet 1-1.

Directions and references (e.g., up, down, left, right, etc.) in the present disclosure may be used solely to aid in the description of the features in the figures. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a baby carriage, includes body frame (1), body frame (1) rear side both ends are equipped with rotates two rear wheels (2) of being connected with body frame (1), its characterized in that: the front side of the main frame (1) is provided with a fixing sheet (1-1), two front wheels (4) are arranged on two sides of the fixing sheet (1-1), a folding assembly is arranged between the two front wheels (4) and the fixing sheet (1-1), the folding assembly comprises a first connecting rod (5), one end of the first connecting rod (5) is provided with the front wheels (4), the other end of the first connecting rod (5) is provided with a limiting pin (5-1), the middle positions of the two first connecting rods (5) are respectively hinged with the fixing sheet (1-1) on the corresponding side edge,

a sleeve (7) is hinged to the front side of the main frame (1), the sleeve (7) inclines upwards from front to back, a poking assembly used for driving the first connecting rod (5) to rotate along a hinged joint with the fixing piece (1-1) is arranged between the sleeve (7) and the main frame (1), the poking assembly comprises a swing arm (8), a poking rod (9) and a push-pull block (10), one end of the swing arm (8) is hinged to the sleeve (7), the other end of the swing arm (8) is hinged to one end of the poking rod (9), the middle position of the poking rod (9) is hinged to the main frame (1), a sliding groove (9-1) is arranged on the portion, far away from the swing arm (8), of the poking rod (9), a pin shaft (10-1) penetrates through the sliding groove (9-1), the pin shaft (10-1) is fixedly connected to the push-pull block (10), and two push-pull rods (11) are hinged to the push-pull block (10), one ends of the two push-pull rods (11) far away from the push-pull block (10) are respectively connected with a limiting pin (5-1) on the first connecting rod (5) at the corresponding side edge in a rotating way,

when the baby carriage is converted from an unfolding state to a folding state, the sleeve (7) is folded in the direction of the main frame (1), the pin shaft (10-1) drives the push-pull block (10) to move, and the push-pull block (10) drives the first connecting rod (5) to fold the front wheels (4) on the two sides in the left side and the right side of the main frame (1).

2. A stroller according to claim 1, wherein: folding assembly still includes second connecting rod (12), third connecting rod (13) and fourth connecting rod (14), first connecting rod (5), third connecting rod (13), second connecting rod (12) and fourth connecting rod (14) are articulated end to end in proper order and are formed quadrilateral structure, first connecting rod (5) and second connecting rod (12) set up relatively, on front wheel (4) wheel hub was located in third connecting rod (13), first connecting rod (5) and fourth connecting rod (14) hinge point and stationary blade (1-1) are rotated and are connected.

3. A stroller according to claim 2, wherein: the fixing piece (1-1) is provided with a limiting groove (1-2) matched with the limiting pin (5-1).

4. A stroller according to claim 2, wherein: still include and turn to the subassembly, turn to the subassembly and include pivot (15), fifth connecting rod (16) and sixth connecting rod (17), stationary blade (1-1) and stationary blade (1-1) rotate to be connected pivot (15) and steering column universal connection in sleeve (7), fifth connecting rod (16) both ends respectively with two fourth connecting rod (14) are articulated with second connecting rod (12) pin joint in the folding assembly, sixth connecting rod (17) one end with fifth connecting rod (16) intermediate position is articulated, sixth connecting rod (17) other end with pivot (15) fixed connection.

5. A stroller according to claim 1, wherein: the driving lever (9) penetrates through the main frame (1), and an avoiding groove (18) matched with the driving lever (9) is formed in the main frame (1).

6. A stroller according to claim 1, wherein: sliding connection has sliding sleeve (19) on body frame (1), fixedly connected with saddle (20) on sliding sleeve (19), be equipped with on sliding sleeve (19) and be used for fixing the mounting on body frame (1) with sliding sleeve (19), the mounting is bolt, bullet round pin or pull pin.