CN217170776U - Baby carriage - Google Patents

Abstract

The utility model relates to an everyday object technical field provides a baby carriage, include the frame and install the seat frame on the frame, the seat frame includes: the seat cushion is provided with a hinged seat, the hinged seat is provided with a locking block, and one end of the locking block is provided with a locking convex part; the backrest is provided with a switching part which is rotationally connected to the hinge seat, and the switching part is provided with a pushing convex part; the front handrail comprises a rotating part which is rotatably connected to the hinged seat, a movable fastener is elastically and telescopically arranged in the rotating part, a movable groove and a locking groove which is buckled on the locking convex part are formed in the movable fastener, and the pushing convex part is movably arranged in the movable groove. Compared with the prior art, the utility model provides a inconvenient technical problem is folded to the seat of present perambulator, make the back toward the front receipts close in-process unblock front armrest simultaneously, solve to receive the thickness problem of receiving whole seat frame in back and back to it is more reasonable to receive back and seat frame overlap interval position to receive to close.

Description

Baby carriage

Technical Field

The utility model relates to an everyday object technical field, concretely relates to perambulator.

Background

With the improvement of living standard of people, higher and higher requirements are put forward on the baby carriage. For convenient transport and putting, present perambulator generally all has folding function. A common stroller is composed of a frame and a seat, and in order to prevent a baby from falling off during playing, a front armrest needs to be mounted on the seat, so that the front armrest and a backrest need to be folded in a subsequent folding process.

Preceding handrail and the back on current perambulator all carry out the locking through respective hasp, handrail and back before will unblock simultaneously at the folding in-process of perambulator, sometimes people behind the unblock back, can forget not unblock yet before handrail, lead to folding inefficiency, cause inconvenience to the family trip.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a baby carriage to solve the technical problem that the seat of the prior baby carriage is inconvenient to fold, make the backrest fold forward and unlock the front armrest simultaneously, solve the thickness problem of folding the whole seat frame and the backrest of the back, so that the folding back and the seat frame overlap the interval position more reasonably.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

there is provided a stroller comprising a frame and a mount mounted on the frame, the mount comprising: the seat cushion is provided with a hinged seat, the hinged seat is provided with a locking block, and one end of the locking block is provided with a locking convex part; the backrest is provided with a switching part which is rotationally connected to the hinge seat, and the switching part is provided with a pushing convex part; preceding handrail, including rotate connect in rotation portion on the articulated seat, the flexible movable fastener that is provided with of elasticity in the rotation portion, movable groove and lock have on the movable fastener in locking groove on the locking convex part, support and push away the convex part activity set up in the movable groove, wherein, work as the back court when the cushion rotates and make support and push away the convex part and move to during the one end in movable groove, support and push away the convex part and promote the activity fastener is internal to contract, and makes the locking groove breaks away from the locking convex part.

Compare prior art, this perambulator has following beneficial effect at least: the utility model discloses design linkage structure on the back of seat frame and preceding handrail for the back is closing the in-process towards the cushion, utilize support in the switching portion to push away preceding handrail of the automatic unblock of convex part, and finally together receipts with preceding handrail are closed on the cushion, it is rapid to close, improve the folding efficiency of perambulator, the inconvenience that independent hasp design brought on preceding handrail and the back has been eliminated, the thickness problem of whole seat frame and back after the solution is closed to receipts, so that it is more reasonable to close back and seat frame overlap interval position after closing.

Optionally, still be equipped with middle piece and stopper on the articulated seat, stopper elastic expansion set up in on the articulated seat, the middle piece support lean on in the stopper with between the switching portion, circumference is provided with the joint portion on the stopper, have in the switching portion with the inner groovy of the corresponding lock of joint portion, just still have the unblock convex part in the switching portion, have the lock on the middle piece in the catching groove on the unblock convex part, have on the cushion with the unblock button that the middle piece is connected, unblock button can stimulate the middle piece, the catching groove withdraws from the unblock convex part, middle piece axial displacement promotes the stopper internal contraction, so that the joint portion withdraws from the inner groovy.

Optionally, a limiting groove is formed in the middle block, and a movable convex portion movably arranged in the limiting groove is formed in the switching portion.

Optionally, the rotation portion includes a rotation housing, the movable fastener elastically stretches and retracts to be arranged on the rotation housing, a plurality of connecting grooves are arranged on the rotation housing in an annular mode, and a plurality of connecting convex portions matched with the connecting grooves are circumferentially arranged on the movable fastener correspondingly.

Optionally, the front armrest further comprises an armrest handle detachably connected to the rotating portion.

Optionally, a pressing fastener is arranged on the rotating portion, a connecting end is arranged on the armrest handle, and the connecting end is buckled on the pressing fastener.

Optionally, one end of the movable slot is provided with a stressed inclined plane, and the pushing convex part pushes the movable fastener to retract inwards through the stressed inclined plane.

Optionally, a sector-shaped convex ring is arranged at the end of the locking block, and a semicircular convex ring which is coaxially arranged with the sector-shaped convex ring and can abut against the sector-shaped convex ring is arranged on the rotating part.

Optionally, a sleeve seat is arranged on the hinged seat, and the locking block is movably arranged on the sleeve seat.

Optionally, be provided with two on the cushion relatively articulated seat, be equipped with on the back and rotate respectively and connect in two switching portion on the articulated seat, preceding handrail includes that two rotate respectively and connect in two rotation portion on the articulated seat.

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a stroller according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the mount provided in FIG. 1;

fig. 3 is a schematic view of an exploded structure between the hinge base, the adaptor portion and the rotation portion provided in fig. 1;

FIG. 4 is a schematic structural view of the backrest provided in FIG. 3;

FIG. 5 is a schematic structural view of the locking block provided in FIG. 3;

FIG. 6 is a schematic diagram of the structure of the middle block provided in FIG. 3;

fig. 7 is a schematic view of a separation structure of the rotating portion of the handle and the connecting end of the handle according to the embodiment of the present invention.

The reference numbers illustrate:

a frame 100;

a seat frame 200;

the cushion 300, the hinge seat 310, the sleeve seat 311, the locking piece 320, the locking convex part 321, the fan-shaped convex ring 322, the middle piece 330, the catching groove 331, the notch 332, the limiting piece 340, the joint part 341, the limiting groove 342, the mounting groove 350, the axial notch 351 and the unlocking button 360;

the backrest 400, the adapter 410, the pushing convex part 411, the inner groove 412, the movable convex part 413 and the unlocking convex part 414;

the front armrest 500, the rotating part 510, the rotating housing 511, the connecting groove 512, the mounting hole 513, the connecting hole 514, the semicircular convex ring 515, the movable fastener 520, the locking groove 521, the movable groove 522, the force-bearing inclined plane 5221, the connecting convex part 523, the pressing fastener 530, the locking ring 531, the armrest handle 540, the connecting end 541, and the annular groove 542.

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The stroller provided by the embodiment of the present invention will now be described with reference to the accompanying drawings.

Referring to fig. 1 to 7, a stroller includes a frame 100 and a seat frame 200 mounted on the frame 100, wherein the bottom of the frame 100 has a four-wheel structure, and the seat frame 200 is used for seating an infant. The seat frame 200 includes a seat cushion 300, a backrest 400 and a front armrest 500, the seat cushion 300 is provided with a hinge seat 310, the hinge seat 310 is provided with a locking block 320, one end of the locking block 320 is provided with a locking protrusion 321, and the locking protrusion 321 protrudes outwards away from the hinge seat 310. The backrest 400 has an adapter portion 410 rotatably connected to the hinge seat 310, the adapter portion 410 allows the backrest 400 to be rotatably connected to the seat cushion 300 and to be folded on the seat cushion 300, the front armrest 500 includes a rotating portion 510 rotatably connected to the hinge seat 310, and the rotating portion 510 allows the front armrest 500 to be rotatably connected to the seat cushion 300 and to be folded on the seat cushion 300. The adapting portion 410 is provided with a pushing convex portion 411, the rotating portion 510 is elastically and telescopically provided with a movable fastener 520, the movable fastener 520 is provided with a movable groove 522 and a locking groove 521, the locking groove 521 is buckled on the locking convex portion 321, so that the rotating portion 510 is locked on the hinge base 310 and cannot rotate, and the pushing convex portion 411 is movably arranged in the movable groove 522.

In the folding process of the stroller, when the backrest 400 rotates towards the seat cushion 300, the pushing convex part 411 moves in the movable groove 522 along with the rotation of the backrest 400, until the pushing convex part 411 moves to one end of the movable groove 522, the pushing convex part 411 moves away from the movable groove 522, the movable fastener 520 is pushed to retract towards the inner side of the rotating part 510 in the axial direction, so that the locking groove 521 is separated from the locking convex part 321, the rotating part 510 is not locked by the locking block 320 any more, and the backrest 400 is unlocked to the front armrest 500 in the folding process.

Compared with the prior art, the utility model discloses design linkage structure on back 400 and preceding handrail 500 of seat frame 200 for back 400 is closing the in-process towards cushion 300 receipts, utilize support on switching portion 410 to push away handrail 500 before the automatic unblock of convex part 411, and finally close together with preceding handrail 500 and close on cushion 300, it is rapid to close, improve the folding efficiency of perambulator, the inconvenience that independent hasp design brought on preceding handrail 500 and the back 400 has been eliminated, the thickness problem of closing whole seat frame 200 of back and back 400 is solved, so that it is more reasonable to close the interval position of back 400 and seat frame 200 overlap after closing.

In an embodiment of the present invention, the hinge base 310 is further provided with a middle block 330 and a limit block 340, the limit block 340 is elastically and telescopically disposed on the hinge base 310, the middle block 330 abuts against between the limit block 340 and the adapting portion 410, and is rotatably disposed on the limit block 340, a plurality of engaging portions 341 are disposed at circumferential positions of the limit block 340, a plurality of inner grooves 412 are disposed on the adapting portion 410 and correspondingly engaged with the engaging portions 341, the adapting portion 410 is provided with a plurality of inner grooves 412, the adapting portion 410 is locked on the hinge base 310 by cooperation between the inner grooves 412 and the engaging portions 341, the middle block 330 is provided with a locking groove 331, the adapting portion 410 is provided with an unlocking protrusion 414 engaged with the locking groove 331, the cushion 300 is provided with an unlocking button 360 connected with the middle block 330, the unlocking button 360 can pull the middle block 330 to rotate when being pressed, the locking groove 331 exits the unlocking protrusion 414 at this time, the middle block 330 axially moves towards the hinge base 310 and pushes the limit block 340 to retract, thereby, the engaging portion 341 exits the inner groove 412, the limiting block 340 no longer locks the engaging portion 410, and the backrest 400 can be folded toward the seat cushion 300.

Furthermore, a limiting groove 342 is formed in the limiting block 340, a movable protrusion 413 movably disposed in the limiting groove 342 is disposed on the adapting portion 410, and after the limiting block 340 is pushed by the middle block 330 and retracted, the movable protrusion 413 on the adapting portion 410 still moves in the limiting groove 342, that is, the moving depth of the movable protrusion 413 in the limiting groove 342 is greater than the fastening depth of the fastening groove 331 on the unlocking protrusion 414, so that the limiting groove 342 still has a limiting effect on the adapting portion 410. When the movable protrusion 413 moves to the first end of the limiting groove 342, the engaging portion 341 is engaged with the inner groove 412, and the backrest 400 stands on the seat cushion 300 to function as a seat back; when the movable protrusion 413 moves to the second end of the limiting groove 342, the backrest 400 is completely folded on the seat 300.

Specifically, the unlocking button 360 is disposed at the front end of the seat cushion 300 and connected to the middle block 330 by a pull wire, and the middle block 330 is provided with a pull wire slot and a winding end, and the pull wire penetrates into the pull wire slot and is connected to the winding end. Meanwhile, in order not to affect the protrusion of the movable protrusion 413 into the limiting groove 342, the middle block 330 is provided with a notch 332, and the movable protrusion 413 is disposed on the limiting groove 342 through the notch 332.

In addition, the hinge base 310 is provided with a mounting groove 350, the limit block 340 is telescopically arranged in the mounting groove 350 through an elastic member, an axial notch 351 is formed in the side wall of the mounting groove 350, and the joint portion 341 on the limit block 340 is slidably arranged on the axial notch 351 and extends out of the axial notch 351 so as to be capable of being buckled in the inner groove 412. Thus, the mounting groove 350 limits the limit block 340 to be axially retractable only on the hinge base 310.

In another embodiment of the present invention, the rotating portion 510 includes a rotating housing 511, the movable fastening member 520 is elastically and telescopically disposed on the rotating housing 511, a plurality of connecting slots 512 are annularly disposed on the rotating housing 511, a plurality of connecting protrusions 523 are circumferentially disposed on the movable fastening member 520 and are matched with the corresponding connecting slots 512, the movable fastening member 520 is circumferentially and telescopically disposed on the rotating housing 511 via the connecting slots 512, and the connecting slots 512 limit the movable fastening member 520 to rotate relatively on the rotating housing 511 but move axially. Wherein, the rotating housing 511 is provided with a mounting hole 513, the movable fastener 520 is movably disposed on the mounting hole 513, and an elastic reset member is disposed between the movable fastener 520 and the bottom surface of the mounting hole 513, so that the movable fastener 520 has a telescopic function.

As a further improvement of the above embodiment, the front arm rest 500 further includes an arm rest handle 540 detachably connected to the rotating part 510, so that the front arm rest 500 has a detachable function. When the armrest handle 540 is removed, the seat frame 200 may be used as a seat without the armrest handle 540 to facilitate some infant activities, and a person may place an infant on the seat from the front side of the seat frame 200.

Furthermore, a pressing fastener 530 is disposed on the rotating portion 510, a connecting end 541 is disposed on the armrest handle 540, the connecting end 541 is fastened to the pressing fastener 530, and when a user presses the pressing fastener 530, the armrest handle 540 can be unlocked and removed from the seat frame 200. Specifically, the rotating housing 511 has a connecting hole 514, the connecting end 541 is inserted into the connecting hole 514, the pressing fastener 530 is transversely inserted into the connecting hole 514, and the moving direction of the pressing fastener is perpendicular to the inserting direction of the connecting end 541, the connecting end 541 has an annular groove 542, the pressing fastener 530 has a lock ring 531 which can be inserted into the annular groove 542, and the armrest handle 540 is fixed on the rotating housing 511 by the lock ring 531. It should be noted that the pressing member 530 is telescopically restored on the rotating housing 511 by a spring.

In another embodiment of the present invention, one end of the movable slot 522 has a force-bearing inclined plane 5211, the pushing convex portion 411 pushes the movable fastener 520 to retract through the force-bearing inclined plane 5211, and the end of the movable slot 522 is a folding end when the backrest 400 moves toward the seat 300. When the pushing convex portion 411 reaches the folding end, it gradually exits from the movable slot 522 along the force-bearing slope 5211 and pushes the movable fastener 520 to move axially toward the rotating housing 511, so as to unlock the rotating portion 510.

Further, the end of the locking piece 320 has a sector-shaped protrusion 322, the rotating part 510 has a semi-circular protrusion 515, the semi-circular protrusion 515 and the sector-shaped protrusion 322 are coaxially disposed, when the rotating part 510 rotates, two sides of the semi-circular protrusion 515 can abut against two sides of the sector-shaped protrusion 322, and the two sides form a rotation range of the rotating part 510, when the rotating part 510 rotates to the upper end of the cushion 300 and makes the semi-circular protrusion 515 abut against one side of the sector-shaped protrusion 322, the locking protrusion 321 is buckled in the locking groove 521, and when the rotating part 510 rotates to the other side, the front armrest 500 is just folded on the cushion 300.

Still further, the hinged seat 310 is provided with a sleeve seat 311, and the locking block 320 is movably arranged on the sleeve seat 311, so that the locking block 320 can be conveniently disassembled and assembled on the hinged seat 310, and the assembling and disassembling efficiency can be improved.

In this embodiment, the seat cushion 300 is relatively provided with two hinged seats 310, the backrest 400 is relatively provided with two adapter portions 410, two ends of the front armrest 500 are also provided with two rotating portions 510, the two adapter portions 410 are respectively rotatably connected to the two hinged seats 310, and similarly, the two rotating portions 510 are respectively rotatably connected to the two hinged seats 310, so that the two hinged portions of the backrest 400, the front armrest 500 and the seat cushion 300 have a linkage structure, and the front armrest 500 is unlocked in the rotation process of the backrest 400.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (10)

1. A stroller comprising a frame and a mount mounted on the frame, the mount comprising:

the seat cushion is provided with a hinged seat, the hinged seat is provided with a locking block, and one end of the locking block is provided with a locking convex part;

the backrest is provided with a switching part which is rotationally connected to the hinge seat, and the switching part is provided with a pushing convex part;

the front handrail comprises a rotating part which is rotationally connected to the hinged seat, a movable fastener is elastically and telescopically arranged in the rotating part, a movable groove and a locking groove which is buckled on the locking convex part are arranged on the movable fastener, the abutting and pushing convex part is movably arranged in the movable groove,

when the backrest rotates towards the seat cushion and the pushing convex part moves to one end of the movable groove, the pushing convex part pushes the movable fastener to retract inwards, and the locking groove is separated from the locking convex part.

2. The stroller according to claim 1, wherein the hinge base is further provided with a middle block and a limiting block, the limiting block is elastically and telescopically arranged on the hinge base, the middle block abuts against between the limiting block and the adapter portion, the limiting block is circumferentially provided with a joint portion, the adapter portion is provided with an inner groove correspondingly buckled with the joint portion, the adapter portion is further provided with an unlocking convex portion, the middle block is provided with a buckling groove buckled on the unlocking convex portion, the seat cushion is provided with an unlocking button connected with the middle block, the unlocking button can pull the middle block, the buckling groove withdraws from the unlocking convex portion, and the middle block moves axially to push the limiting block to retract so that the joint portion withdraws from the inner groove.

3. The stroller of claim 2, wherein the stopper is provided with a limiting groove, and the adapter portion is provided with a movable protrusion movably disposed in the limiting groove.

4. The stroller of claim 1, wherein the rotating portion comprises a rotating housing, the movable fastening member is elastically and telescopically disposed on the rotating housing, a plurality of connecting slots are annularly disposed on the rotating housing, and a plurality of connecting protrusions are circumferentially disposed on the movable fastening member and are engaged with the corresponding connecting slots.

5. The stroller of claim 1, wherein the front armrest further comprises an armrest handle removably coupled to the rotating portion.

6. The stroller of claim 5, wherein the rotating portion is provided with a pressing fastener, and the handle bar is provided with a connecting end, and the connecting end is fastened to the pressing fastener.

7. The stroller of claim 1, wherein one end of the movable slot has a force-receiving slope, and the pushing protrusion pushes the movable buckle to retract via the force-receiving slope.

8. The stroller of claim 1, wherein the locking piece has a sector-shaped collar at an end thereof, and the rotating portion has a semi-circular collar disposed coaxially with and capable of abutting against the sector-shaped collar.

9. The stroller of claim 1, wherein the hinge seat has a socket thereon, and the lock block is movably disposed on the socket.

10. The stroller according to any one of claims 1 to 9, wherein the seat cushion is provided with two opposite hinged seats, the backrest is provided with two connecting portions respectively rotatably connected to the two hinged seats, and the front armrest comprises two rotating portions respectively rotatably connected to the two hinged seats.

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