CN211809816U

CN211809816U - Seat reversing mechanism and baby stroller

Info

Publication number: CN211809816U
Application number: CN201922227354.0U
Authority: CN
Inventors: 柯全德
Original assignee: Zhongshan Aier Daily Necessities Co Ltd
Current assignee: Zhongshan Aier Daily Necessities Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-10-30
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a seat reversing mechanism and a baby stroller, wherein the baby stroller comprises a seat support, a seat frame and a seat frame, wherein the seat support is movably arranged on a frame main body of the baby stroller and can be folded or unfolded along with the frame main body; the seat board is arranged on the seat support and can horizontally rotate relative to the seat support, the front end of the seat board is provided with a pedal support, and the rear end of the seat is provided with a backrest support; the locking and unlocking mechanism is arranged between the seat board and the seat support and can lock the seat board on the seat support or unlock the seat board on the seat support so that the seat board can horizontally rotate relative to the seat support. When the reversing function needs to be realized, the seat board is unlocked through the locking and unlocking mechanism, then the seat board is driven to horizontally rotate relative to the seat support, so that the reversing of the backrest support and the pedal support on the seat board is realized, and then the seat board is locked on the seat support through the locking and unlocking mechanism; the seat reversing mechanism is simple in structure and simple and convenient in reversing operation. The baby stroller comprises the seat reversing mechanism.

Description

Seat reversing mechanism and baby stroller

Technical Field

The utility model relates to a seat reversing mechanism and baby's shallow.

Background

The baby stroller is a product which can not be used or can not be used in the growth process of the baby. At present, some baby strollers have the function of reversing the seat, but the reversing mechanism is complex and inconvenient to operate and use.

In addition, current strollers are generally collapsible for easy carrying and storage, but conventional strollers are bulky when collapsed and complicated to collapse, and room for improvement remains.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a seat reversing mechanism with simple structure and simple reversing operation; the second purpose is to provide a baby stroller applying the seat reversing mechanism.

The utility model provides a technical scheme that its technical problem adopted is:

a seat reversing mechanism comprises a seat support, a seat frame and a seat frame, wherein the seat support is movably arranged on a frame main body of a baby stroller and can be folded or unfolded along with the frame main body; the seat board is movably arranged on the seat support and can horizontally rotate relative to the seat support, wherein a pedal support is arranged at the front end of the seat board, and a backrest support is arranged at the rear end of the seat; and the locking and unlocking mechanism is arranged between the seat board and the seat support and can lock the seat board on the seat support or unlock the seat board on the seat support so that the seat board can horizontally rotate relative to the seat support. When the reversing function needs to be realized, the seat board is unlocked through the locking and unlocking mechanism, then the seat board is driven to horizontally rotate relative to the seat support, so that the reversing of the backrest support and the pedal support on the seat board is realized, and then the seat board is locked on the seat support through the locking and unlocking mechanism; the seat reversing mechanism is simple in structure and simple and convenient in reversing operation.

As the utility model discloses a seat reversing mechanism's preferred embodiment, locking release mechanism includes that two are located first locating hole on the seat support, locate second locating hole and spliced pole on the bedplate, two first locating holes about the pivot central symmetry of bedplate, the second locating hole is relative with one of them first locating hole, the spliced pole can with second locating hole and the first locating hole of one of them link to each other in order to incite somebody to action the bedplate is fixed in on the seat support. The locking and unlocking mechanism has the advantages of fewer parts, extremely simple structure, convenience in production and manufacture and low cost.

As the utility model discloses a seat reversing mechanism's preferred embodiment, the spliced pole stretch out and draw back set up in on the second locating hole, be equipped with between second locating hole and the spliced pole and order about the spliced pole inserts the elastic component in the first locating hole. The connecting column can be kept connected with one of the first positioning hole and the second positioning hole under the action of the elastic piece, so that the seat plate is fixed on the seat support; when the seat board needs to be rotated, the connecting column is pulled out through external force to be separated from the first positioning hole, after the seat board rotates by a certain degree, the external force is released, the connecting column can be connected with the other first positioning hole under the action of the elastic piece, and then the seat board is fixed, so that the operation is very simple and convenient.

As the utility model discloses a seat reversing mechanism's preferred embodiment, the spliced pole is kept away from the one end of first locating hole be connected with stretch out in pulling handle outside the bedplate, have the space that supplies the finger to stretch into between pulling handle and the bedplate, be convenient for push-and-pull spliced pole in order to realize the locking or the unblock of bedplate.

As the utility model discloses a seat reversing mechanism's preferred embodiment, the middle part of seat support is equipped with first rotation piece, be equipped with on the bedplate with first rotation piece matched with second rotates the piece, the second rotates the horizontal rotation of first rotation piece relatively, and the second rotates the pivot perpendicular to of piece the bedplate.

The utility model discloses a some embodiments of seat reversing mechanism, first rotation piece is the fixed carousel of locating on the seat support, the second rotate the piece be with the profile shape assorted rotation recess of carousel, the circular recess rather than with the axle center is seted up at the middle part of carousel, the middle part of rotating the recess be equipped with circular recess matched with cylinder portion.

In some embodiments of the seat reversing mechanism of the present invention, the first rotating member is a rotary plate fixedly disposed on the seat support, and the second rotating member is a rotary groove matched with the contour shape of the rotary plate; the edge of the rotating groove is provided with a plurality of limiting convex pieces, the edge of the rotating disc is provided with notches corresponding to the limiting convex pieces, or the edge of the rotating groove is provided with a plurality of notches, and the edge of the rotating disc is provided with limiting convex pieces corresponding to the notches; the limiting convex piece can penetrate through the notch and rotate relative to the notch to enable the lower end face of the rotating groove to abut against the upper end face of the rotary disc. After the seat plate is unlocked from the seat support by the locking and unlocking mechanism, the seat plate can be prevented from being separated from the seat support along the vertical direction to cause the failure of seat plate reversing operation by the structure in the process of horizontally rotating relative to the seat support, meanwhile, the stability of connection between the seat plate and the seat support can be guaranteed in a sitting state, the stress condition of the locking and unlocking mechanism in the state is reduced, and the reliability of the seat reversing mechanism is guaranteed.

As the utility model discloses a preferred embodiment of seat reversing mechanism, the seat support includes two parallel arrangement's beam pipe, the beam pipe is used for linking to each other with the frame main part of baby's shallow, is connected with between two beam pipes to be the forked pipe fitting, the bottom of carousel is offered and is used for the location the cross constant head tank of pipe fitting, wear to be equipped with threaded fastener between cross constant head tank and the pipe fitting.

The utility model also discloses a baby's shallow, include: the seat reversing mechanism is arranged on the frame main body.

As a preferred embodiment of the stroller of the present invention, the frame body includes: the front legs are connected with front wheels; the rear legs are connected with rear wheels, and the upper ends of the rear legs are rotatably connected with the upper ends of the front legs; the lower end of the front support rod is rotatably connected with the upper ends of the front legs or the rear legs; the upper end of the rear support rod is rotatably connected with the lower end of the hand push rod, and the position, close to the lower end, of the rear support rod is rotatably connected with the rear leg; one end of the linkage rod is rotatably connected with the front leg, and the other end of the linkage rod is rotatably connected with the lower end of the rear support rod; the connecting sleeve is fixedly arranged on the front leg and extends backwards; the seat support comprises a beam pipe which is slidably installed in the connecting sleeve, the length direction of the beam pipe is consistent with the extending direction of the connecting sleeve, and one end, adjacent to the rear support rod, of the beam pipe is movably pivoted with the rear support rod.

When the baby stroller is folded, the push rod is pushed forwards and certain pressure is applied downwards, the lower end of the push rod is close to the rear wheel, the front support rod rotates relative to the front leg, the rear support rod rotates relative to the rear leg, therefore, the upper ends of the front support rod and the rear support rod are close to the rear wheel, meanwhile, the lower end of the rear support rod upwarps upwards, the front leg is pulled to draw close to the rear leg through the linkage rod, the folding of the frame main body is achieved, in the process, the rear support rod rotates relative to the beam pipe, and the relative beam pipe of the connecting pipe sleeve slides backwards to enable the seat support to follow the frame main body to be folded and stored. The whole folding operation is very convenient and fast, and the folding baby stroller is small in size and convenient to carry.

Has the advantages that: when the seat reversing mechanism of the utility model needs to realize the reversing function, the seat board is unlocked through the locking and unlocking mechanism, then the seat board is driven to horizontally rotate relative to the seat support, so that the backrest support and the pedal support on the seat board realize the reversing, and the seat board is locked on the seat support by the locking and unlocking mechanism; the seat reversing mechanism is simple in structure and simple and convenient in reversing operation. The utility model discloses a baby's shallow includes above-mentioned seat reversing mechanism, and the switching-over operation of both being convenient for is convenient folding again, and folding back is small, portable.

Drawings

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

Fig. 1 is a schematic structural view of an embodiment of a seat reversing mechanism of the present invention;

FIG. 2 is an exploded schematic view of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;

fig. 4 is a schematic structural view of the stroller of the present invention;

FIG. 5 is a schematic view of the stroller of FIG. 4 after reversing its direction;

FIG. 6 is a schematic view of the seat pan, back rest support, and footrest support of FIG. 4 with the seat pan, back rest support, and footrest support removed;

fig. 7 is a schematic structural view of the stroller of the present invention in a deployed state;

FIG. 8 is a schematic illustration of the stroller of FIG. 7 in a collapsed configuration;

fig. 9 is a schematic view of the stroller of fig. 7 in a collapsed position.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

Referring to fig. 1 to 4, a seat reversing mechanism includes a seat support 10 movably disposed on a frame body 200 of a stroller and foldable or unfoldable along with the frame body 200; a seat board 20 movably disposed on the seat support 10 and capable of horizontally rotating relative to the seat support 10, wherein a pedal support 21 is disposed at a front end of the seat board 20, and a backrest support 22 is disposed at a rear end of the seat; and a locking/unlocking mechanism 30 provided between the seat pan 20 and the seat frame 10, for locking the seat pan 20 to the seat frame 10 or unlocking the seat pan 20 to the seat frame 10 so that the seat pan 20 can be horizontally rotated with respect to the seat frame 10. When the reversing function needs to be realized, the seat plate 20 is unlocked through the locking and unlocking mechanism 30, then the seat plate 20 is driven to horizontally rotate relative to the seat support 10, so that the reversing of the backrest support and the pedal support on the seat plate 20 is realized, and then the seat plate 20 is locked on the seat support 10 through the locking and unlocking mechanism 30; the seat reversing mechanism is simple in structure and simple and convenient in reversing operation. The seat reverser in the forward and reverse states is shown with reference to fig. 4 and 5.

Referring to fig. 2, as a preferred embodiment of the seat reversing mechanism of the present invention, the locking/unlocking mechanism 30 includes two first positioning holes 31 formed in the seat frame 10, two second positioning holes 32 formed in the seat plate 20, and a connecting column 33, the two first positioning holes 31 are symmetrical with respect to a center of a rotation axis of the seat plate 20, the second positioning hole 32 is opposite to one of the first positioning holes 31, and the connecting column 33 can be connected to the second positioning hole 32 and one of the first positioning holes 31 to fix the seat plate 20 to the seat frame 10. The locking and unlocking mechanism 30 has fewer parts, extremely simple structure, convenient production and manufacture and low cost.

As the preferred embodiment of the seat reversing mechanism of the present invention, the connecting column 33 is telescopically arranged on the second positioning hole 32, and an elastic member (not shown in the figure) capable of ordering the connecting column 33 to be inserted into the first positioning hole 31 is arranged between the second positioning hole 32 and the connecting column 33. The connecting column 33 can be kept connected with one of the first positioning hole 31 and the second positioning hole 32 under the action of the elastic member, so that the seat plate 20 is fixed on the seat support 10; when the seat plate 20 needs to be rotated, the connecting column 33 is pulled out through external force to be separated from the first positioning hole 31, after the seat plate 20 rotates for 180 degrees, the external force is released, the connecting column 33 can be connected with the other first positioning hole 31 under the action of the elastic piece, and then the seat plate 20 is fixed, so that the operation is very simple and convenient.

Referring to fig. 1 and 2, as a preferred embodiment of the seat reversing mechanism of the present invention, one end of the connecting column 33, which is far away from the first positioning hole 31, is connected to a pulling handle 34 which extends out of the seat plate 20, and a space for fingers to extend into is provided between the pulling handle 34 and the seat plate 20, so that the connecting column 33 can be pushed and pulled to lock or unlock the seat plate 20.

As a preferred embodiment of the seat reversing mechanism of the present invention, the middle portion of the seat support 10 is provided with a first rotating member 41, the seat plate 20 is provided with a second rotating member 42 engaged with the first rotating member 41, the second rotating member 42 can rotate horizontally relative to the first rotating member 41, and the rotating shaft of the second rotating member 42 is perpendicular to the seat plate 20.

Referring to fig. 3, in some embodiments of the seat reversing mechanism of the present invention, the first rotating member 41 is a rotary plate fixedly disposed on the seat support 10, the second rotating member 42 is a rotary groove matched with the contour shape of the rotary plate, a circular groove 43 coaxial with the rotary plate is disposed in the middle of the rotary plate, and a cylindrical portion 44 matched with the circular groove 43 is disposed in the middle of the rotary groove.

Referring to fig. 3, in some embodiments of the seat reversing mechanism of the present invention, the first rotating member 41 is a rotating disc fixedly disposed on the seat support 10, and the second rotating member 42 is a rotating groove matched with the contour shape of the rotating disc; in this embodiment, the edge of the rotating groove is provided with a plurality of limiting convex pieces 51, and the edge of the rotating disk is provided with notches 52 corresponding to the limiting convex pieces 51; the limiting convex piece 51 can pass through the notch 52 and rotate relative to the notch 52, so that the lower end surface of the rotating groove is abutted against the upper end surface of the rotating disc. After the locking and unlocking mechanism 30 unlocks the seat plate 20 from the seat support 10, in the process that the seat plate 20 horizontally rotates relative to the seat support 10, the structure can prevent the seat plate 20 from being separated from the seat support 10 along the vertical direction to cause the failure of the reversing operation of the seat plate 20, meanwhile, in the sitting state, the stability of connection between the seat plate 20 and the seat support 10 can be guaranteed, the stress condition of the locking and unlocking mechanism 30 in the state is reduced, and the reliability of the seat reversing mechanism is guaranteed.

Referring to fig. 6, as the preferred embodiment of the seat reversing mechanism of the present invention, the seat support 10 includes two parallel beam tubes 11, the beam tubes 11 are connected to the frame body 200 of the stroller, a cross-shaped pipe 12 is connected between the two beam tubes 11, the bottom of the turntable is provided with a cross positioning slot 411 for positioning the pipe 12, and a threaded fastener is inserted between the cross positioning slot 411 and the pipe 12.

Referring to fig. 4 and 5, the present invention also discloses a baby stroller, comprising: the frame main body 200 is provided with the seat reversing mechanism on the frame main body 200.

As a preferred embodiment of the stroller of the present invention, the frame body 200 includes: the front legs 210 are connected with front wheels; the rear legs 220 are connected with rear wheels, and the upper ends of the rear legs 220 are rotatably connected with the upper ends of the front legs 210; the hand push rod 230 is rotatably connected with the front support rod 240 near the lower end of the hand push rod 230, and the lower end of the front support rod 240 is rotatably connected with the upper end of the front leg 210 or the upper end of the rear leg 220; the upper end of the rear support rod 250 is rotatably connected with the lower end of the hand push rod 230, and the position, close to the lower end, of the rear support rod 250 is rotatably connected with the rear leg 220; one end of the linkage 260 is rotatably connected with the front leg 210, and the other end of the linkage 260 is rotatably connected with the lower end of the rear support rod 250; a coupling sleeve 270 fixedly disposed on the front leg 210 and extending rearward; the seat frame 10 includes a beam tube 11 slidably mounted in the connecting sleeve 270, a length direction of the beam tube 11 is identical to an extending direction of the connecting sleeve 270, and one end of the beam tube 11 adjacent to the rear stay 250 is movably pivoted with the rear stay 250.

Referring to fig. 7 to 9, when the stroller is folded, the lower end of the push rod 230 approaches the rear wheel by pushing the push rod 230 forward and applying a certain pressure downward, the front stay 240 rotates relative to the front leg 210, and the rear stay 250 rotates relative to the rear leg 220, so that the upper ends of the front stay 240 and the rear stay 250 both approach the rear wheel, and at the same time, the lower end of the rear stay 250 tilts upward, so that the front leg 210 is pulled toward the rear leg 220 by the linkage 260, thereby folding the stroller frame main body 200, during which the beam tube 11 rotates relative to the rear stay 250, and the connection sleeve slides backward relative to the beam tube 11, so that the seat support 10 is folded and stored along with the stroller frame main body 200. The whole folding operation is very convenient and fast, and the folding baby stroller is small in size and convenient to carry.

The above embodiments are merely preferred embodiments of the present invention, and the present invention may also have other embodiments, such as reasonable combinations of the technical solutions recorded in the embodiments. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.

Claims

1. A seat reversing mechanism, comprising:

the seat support (10) is movably arranged on the frame main body (200) of the baby stroller and can be folded or unfolded along with the frame main body (200);

the seat board (20) is movably arranged on the seat support (10) and can horizontally rotate relative to the seat support (10);

and the locking and unlocking mechanism (30) is arranged between the seat plate (20) and the seat support (10) and can lock the seat plate (20) on the seat support (10) or unlock the seat plate (20) on the seat support (10) so that the seat plate (20) can horizontally rotate relative to the seat support (10).

2. The seat reverser mechanism according to claim 1, wherein:

the locking and unlocking mechanism (30) comprises two first positioning holes (31) arranged on the seat support (10), a second positioning hole (32) arranged on the seat plate (20) and a connecting column (33), the two first positioning holes (31) are symmetrical about the center of the rotating shaft of the seat plate (20), the second positioning hole (32) is opposite to one of the first positioning holes (31), and the connecting column (33) can be connected with the second positioning hole (32) and one of the first positioning holes (31) so as to fix the seat plate (20) on the seat support (10).

3. A seat reverser mechanism according to claim 2, wherein:

the connecting column (33) is arranged on the second positioning hole (32) in a telescopic mode, and an elastic piece capable of driving the connecting column (33) to be inserted into the first positioning hole (31) is arranged between the second positioning hole (32) and the connecting column (33).

4. A seat reverser mechanism according to claim 3, wherein:

one end, far away from the first positioning hole (31), of the connecting column (33) is connected with a pulling handle (34) extending out of the seat plate (20), and a space for fingers to extend into is formed between the pulling handle (34) and the seat plate (20).

5. The seat reverser mechanism according to claim 1, wherein:

the middle part of seat support (10) is equipped with first rotation piece (41), be equipped with on bedplate (20) with first rotation piece (41) matched with second rotates piece (42), second rotates piece (42) horizontal rotation relatively first rotation piece (41), and the pivot of second rotation piece (42) is perpendicular to bedplate (20).

6. The seat reverser mechanism according to claim 5, wherein:

the first rotating piece (41) is a rotating disc fixedly arranged on the seat support (10), the second rotating piece (42) is a rotating groove matched with the outline shape of the rotating disc, a circular groove (43) coaxial with the rotating disc is formed in the middle of the rotating disc, and a cylindrical portion (44) matched with the circular groove (43) is arranged in the middle of the rotating groove.

7. The seat reverser mechanism according to claim 5, wherein:

the first rotating piece (41) is a rotating disc fixedly arranged on the seat support (10), and the second rotating piece (42) is a rotating groove matched with the contour shape of the rotating disc; the edge of the rotating groove is provided with a plurality of limiting convex pieces (51), the edge of the rotating disc is provided with notches (52) corresponding to the limiting convex pieces (51), or the edge of the rotating groove is provided with a plurality of notches (52), and the edge of the rotating disc is provided with limiting convex pieces (51) corresponding to the notches (52); the limiting convex piece (51) can penetrate through the notch (52) and rotate relative to the notch (52) to enable the lower end face of the rotating groove to abut against the upper end face of the rotating disc.

8. A seat reverser according to claim 6 or 7, wherein:

seat support (10) include two parallel arrangement's beam tube (11), beam tube (11) are used for linking to each other with stroller's frame main part (200), are connected with between two beam tube (11) and are cross pipe fitting (12), the bottom of carousel is seted up and is used for the location cross constant head tank (411) of pipe fitting (12), wear to be equipped with threaded fastener between cross constant head tank (411) and pipe fitting (12).

9. A stroller, comprising: a frame body (200), said frame body (200) being provided with a seat reverser mechanism according to any one of claims 1-8.

10. A stroller according to claim 9, wherein said frame body (200) comprises:

the front legs (210), the front wheels are connected to the front legs (210);

the rear legs (220) are connected with rear wheels, and the upper ends of the rear legs (220) are rotatably connected with the upper ends of the front legs (210);

the lower end of the front support rod (240) is rotatably connected with the upper ends of the front legs (210) or the rear legs (220);

the upper end of the rear support rod (250) is rotatably connected with the lower end of the hand push rod (230), and the position, close to the lower end, of the rear support rod (250) is rotatably connected with the rear leg (220);

one end of the linkage rod (260) is rotatably connected with the front leg (210), and the other end of the linkage rod (260) is rotatably connected with the lower end of the rear support rod (250);

a connection sleeve (270) fixedly disposed on the front leg (210) and extending rearward;

the seat support (10) comprises a beam pipe (11) which is installed in the connecting sleeve (270) in a sliding mode, the length direction of the beam pipe (11) is consistent with the extending direction of the connecting sleeve (270), and one end, close to the rear support rod (250), of the beam pipe (11) is movably pivoted with the rear support rod (250).