CN211167060U - Backrest angle adjusting mechanism of baby stroller and seat - Google Patents

Abstract

The utility model belongs to the technical field of the children's shallow, refer in particular to a backrest angular adjustment mechanism and seat of children's shallow, including the seat, the seat includes base and back, and base and back are articulated each other, back one side is provided with mobilizable spring bolt, a plurality of draw-in groove has been seted up on the base, and the spring bolt joint is in the draw-in groove, through carrying the spring bolt and then make the spring bolt no longer the joint in the draw-in groove to rotatable back. The utility model discloses a carry and draw the spring bolt and then make the spring bolt no longer the joint in the draw-in groove to rotatable back, and then the angle of adjustable back. Therefore, the backrest has various angles and can be suitable for different scenes. For example, need children to be in and empty, can follow the draw-in groove with the spring bolt and propose, then move backward to with the spring bolt joint to another draw-in groove, children alright at this moment lean on the back with empting. Thereby being convenient for adults to use, and meeting various requirements of children and adults.

Description

Backrest angle adjusting mechanism of baby stroller and seat

Technical Field

The utility model belongs to the technical field of the children's shallow, refer in particular to a backrest angular adjustment mechanism and seat of children's shallow.

Background

The child stroller is a vehicle for children, and can be moved only by assisting in pushing or pulling by people. The baby stroller is a favorite transportation vehicle for children, and is an essential product for mothers to take children to shop on the street.

Most of the existing stroller is similar to the folding mechanism of the stroller and the stroller of the utility model, as disclosed in patent No. 2018213742817, although the seat and the backrest of the seat can be hinged to each other, so that the stroller can be folded and placed, thereby reducing the occupied area. However, the angle of the backrest is fixed, that is, after the backrest is unfolded, the position of the backrest has only one state, and is generally 90 degrees. Then different children are different in height and sometimes need to be toppled over, and the stroller cannot meet the requirement at the moment, and only an adult can manually depend on the angle of the hand of the child to topple over the child, so that the child is difficult to topple over.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a backrest angular adjustment mechanism and seat of children's shallow draws the spring bolt and then makes the spring bolt no longer the joint in the draw-in groove through carrying to rotatable back, and then the angle of adjustable back, thereby the problem that the angle of solving the back can not be adjusted.

The purpose of the utility model is realized like this:

the utility model provides a baby carriage's seat back angular adjustment mechanism, includes the seat, and the seat includes base and back, and base and back are articulated each other, back one side is provided with mobilizable spring bolt, a plurality of draw-in groove has been seted up on the base, and the spring bolt joint is in the draw-in groove, through carrying the spring bolt and then make the spring bolt no longer the joint in the draw-in groove to rotatable back.

On the basis of the above scheme, a further improved or preferred scheme further comprises:

preferably, a mounting seat is arranged on one side of the backrest, the spring bolt is arranged in the mounting seat in a moving mode, one end of the spring bolt is sleeved with a first spring, and the other end of the first spring abuts against the inner side of the mounting seat.

Preferably, the spring bolt includes joint portion and carries and draws the portion, carries and is provided with on one side of the portion of drawing and is used for carrying the ring of carrying that draws, and carries and draw the portion top and be provided with the cover and establish the portion one, the spring cover is established on the cover portion one.

Preferably, the mounting base is provided with a moving groove, and the lock tongue moves in the moving groove.

A seat of a baby stroller comprises a seat, wherein the seat comprises a base and a backrest, and the seat is provided with any one of the adjusting mechanisms;

the top of the backrest is rotatably provided with a sun shield, the top of the seat is provided with a first support, the first support is rotatably provided with a first rotating piece, and one side of the first rotating piece is rotatably provided with a second rotating piece;

the first rotating piece and the second rotating piece are respectively connected with one end of the sun shield, and the angle of the sun shield is adjusted through mutual rotation between the first rotating piece and the second rotating piece and between the first bracket and the first rotating piece.

Preferably, a first sawtooth is formed on one end face of the rotating part, a second sawtooth and a third sawtooth are formed on the end faces of the two sides of the rotating part respectively, a fourth sawtooth is formed on one end face of the support, the first sawtooth is meshed with the second sawtooth, and the third sawtooth is meshed with the fourth sawtooth.

Preferably, one end of the rotating part is provided with a cover plate, a third spring is arranged between the cover plate and the rotating part, and the rotating part is pushed to abut against the first support through the third spring.

Preferably, a clamping interface is arranged on the base, and a detachable handrail is arranged in the clamping interface;

the handrail is movably provided with a second button, the base is provided with an opening, the second button moves in the opening, and the handrail is detached by pressing the second button.

Preferably, the handrail comprises a detaching part and a supporting part, the supporting part is arranged on the detaching part, and the detaching part is movably provided with the second button and penetrates through the clamping port;

the disassembling portion is provided with a cover, a second spring is arranged between the cover and the second button, the cover is provided with a second sleeve-arranging portion, one end of the second spring is sleeved on the second sleeve-arranging portion, and the other end of the second spring abuts against the bottom of the second button.

Preferably, the bottom of the base is rotatably provided with a pedal assembly, and the pedal assembly comprises a second bracket;

the base bottom symmetry is provided with the connecting seat, support two sets up between the connecting seat, passes connecting seat and support two through the pivot to set up support two rotation in the base bottom.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses a carry and draw the spring bolt and then make the spring bolt no longer the joint in the draw-in groove to rotatable back, and then the angle of adjustable back. Therefore, the backrest has various angles and can be suitable for different scenes. For example, need children to be in and empty, can follow the draw-in groove with the spring bolt and propose, then move backward to with the spring bolt joint to another draw-in groove, children alright at this moment lean on the back with empting. Thereby being convenient for adults to use, and meeting various requirements of children and adults.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the structure of the utility model in use;

fig. 3 is a diagrammatic view of a structure associated with a locking bolt;

FIG. 4 is an enlarged schematic view of A of FIG. 3;

fig. 5 is a diagrammatic view of a sun visor related construction;

FIG. 6 is a diagrammatic view of a related configuration of a stent;

FIG. 7 is a schematic view of a first rotating member;

FIG. 8 is a schematic view of the second rotating member;

FIG. 9 is a diagrammatic view of a structure associated with an armrest;

FIG. 10 is a schematic view of the armrest;

FIG. 11 is a schematic view of the footrest assembly.

In the figure: 1-a base; 2-backrest; 3-a card slot; 4-a bolt; 5-mounting a base; 6-a clamping part; 7-a pulling part; 8-lifting the ring; 9-the first sleeving part; 10-a moving slot; 11-a first spring; 12-a sun visor; 13-bracket one; 14-a first rotating part; 15-saw tooth one; 16-saw tooth two; 17-a cover plate; 18-spring three; 20-a seat; 23-a card interface; 24-a handrail; 25-button two; 26-opening; 27-a removal section; 28-a holding portion; 29-a lid; 30-spring two; 31-a second sleeve part; 32-a footrest assembly; 33-bracket two; 34-a connecting seat; 35-a rotating shaft; 36-a pedal; 38-rotating part two; 39-serration III; and 40-saw tooth four.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

The first embodiment is as follows: as can be seen from fig. 1, 3 and 4, a seat back angle adjusting mechanism of a stroller includes a seat 20, and the seat 20 includes a base 1 and a back 2, wherein the base 1 and the back 2 are hinged to each other and thus can be folded to reduce the occupied space.

Meanwhile, one side of the backrest 2 is provided with a movable bolt 4, and the base 1 is provided with a plurality of clamping grooves 3, so that when the chair is used, namely the base 1 and the backrest 2 are in an open state, the bolt 4 is clamped in the clamping grooves 3.

And when the angle of back 2 will be adjusted according to actual conditions, for example need children to be in and empty, like fig. 2, this moment the accessible is carried and is pulled spring bolt 4 and then make spring bolt 4 no longer the joint in draw-in groove 3, therefore does not have spacingly this moment, alright rotate back 2 to angle regulation, so the practicality is strong.

Compare original single angle, the utility model discloses can multi-angle conversion, also can make things convenient for the people to use simultaneously. And overall structure is simpler, only through spring bolt 4 and draw-in groove 3, therefore is convenient for process and installation.

Although only one state is described here, other states are available, so that the number of the card slots 3 can be determined according to actual requirements, the number of the card slots 3 is several, and the number of the using states is several, so that the practicability is high.

Meanwhile, a mounting seat 5 is arranged on one side of the backrest 2, a bolt 4 is arranged in the mounting seat 5, one end of the bolt 4 is sleeved with a first spring 11, and the other end of the first spring 11 abuts against the inner side of the mounting seat 5. Therefore, the first spring 11 is limited through the bolt 4 and the mounting seat 5, the first spring 11 mainly plays a role of automatic restoration, and the mounting seat 5 applies force to the first spring 11 so as to assist the bolt 4 to reset.

Therefore in the in-service use process, when through carrying the spring bolt 4 and then make the spring bolt 4 no longer joint in draw-in groove 3, spring 11 is in compression state this moment, when rotating to another draw-in groove 3, thereby make the spring bolt 4 joint in another draw-in groove 3 through the elasticity of spring 11 self, change another state from a state promptly.

And the mounting seat 5 is opened with a moving groove 10 so that the latch bolt 4 can move in the moving groove 10. Thereby giving the moving range of the bolt 4 and limiting the bolt 4.

Meanwhile, the lock tongue 4 comprises a clamping portion 6 and a lifting portion 7, and a lifting ring 8 used for lifting is arranged on one side of the lifting portion 7, so that a user can lift the lock tongue conveniently. Meanwhile, a sleeving part I9 is arranged at the top of the lifting part 7, and the spring I7 is sleeved on the sleeving part I9, so that the spring I11 is limited and connected with the spring I11 and the lock tongue 4. Through simple connection structure promptly, spacing connect again promptly, guarantee the stability of structure, and be convenient for processing and installation.

Example two: a stroller seat comprising a seat 20, the seat 20 comprising a base 1 and a backrest 2, and the seat 20 being provided with an adjustment mechanism according to the first embodiment of the present invention.

Meanwhile, as shown in fig. 5, it can be seen that the sun visor 12 is rotatably disposed on the top of the seat 1, the first bracket 13 is disposed on the top of the seat 1, the first rotating element 14 is rotatably disposed on the first bracket 13, the second rotating element 38 is rotatably disposed on one side of the first rotating element 14, and the first rotating element 14 and the second rotating element 38 are respectively connected to one end of the sun visor 12.

Therefore, in practical use, the angles of the two ends of the sun visor 12 can be respectively adjusted through the mutual rotation between the first rotating element 14 and the second rotating element 38 and between the first rotating element 14 and the first bracket 13, and the angle of one end can also be independently rotated.

Referring to fig. 5, 6, 7 and 8, the rotation structure can be seen: the end face of the first rotating part 14 is formed with a first sawtooth 15, the end faces of the two rotating parts 38 are respectively formed with a second sawtooth 16 and a third sawtooth 39, and the end face of the first bracket 13 is formed with a fourth sawtooth 40. Thus, the first rotating member 14 and the second rotating member 38 are rotated by the first saw tooth 15 and the second saw tooth 16 being engaged with each other, and the first bracket 13 and the first rotating member 14 are rotated by the third saw tooth 39 and the fourth saw tooth 40 being engaged with each other. Through simple rotating-structure promptly to realize rotating, can guarantee the stability of structure promptly, and be convenient for processing and installation.

Meanwhile, as shown in fig. 5, a cover plate 17 is disposed at one end of the second rotating member 38, and a third spring 18 is disposed between the cover plate 17 and the second rotating member 38, so that the second rotating member 38 is pushed to abut against the first rotating member 14 by the third spring 18.

This is because the saw teeth are beveled, so that when rotating, moving along the bevel will separate the first rotating part 14 from the second rotating part 38 or the first rotating part 14 from the first bracket 13 and no longer engage, and the third spring 18 is in a compressed state, so that the second rotating part 38 can be pushed by the elasticity of the third spring 18 itself, and the first rotating part 14 and the second rotating part 38 or the first rotating part 14 and the first bracket 13 can be re-engaged.

As shown in fig. 5, the sun visor 12 includes a sun visor cloth, a first support frame and a second support frame, and the sun visor cloth is sleeved on the first support frame and the second support frame. Therefore, the sunshade cloth is opened through the first support frame and the second support frame, and the sunshade is shaded through the sunshade cloth.

The first rotating part 14 and the second rotating part 38 are respectively provided with a first connecting rod and a second connecting rod, and the first connecting rod and the second connecting rod are respectively provided with a first connecting hole 21 and a second connecting hole 22. Therefore, the first support frame and the first rotating part 14 and the second support frame and the second rotating part 38 can be connected through the first support frame and the second support frame which are respectively inserted into the first connecting hole 21 and the second connecting hole 22.

Referring to fig. 9 and 10, it can be seen that the seat 1 is provided with a clip interface 23, and a detachable armrest 24 is disposed in the clip interface 23. Therefore, the armrest 24 can be placed in the card interface 23 when in use and can be detached when not in use according to actual requirements.

The structure of dismantling simultaneously is: firstly, the second button 25 is movably arranged on the armrest 24, the opening 26 is arranged on the periphery of the clamping interface 23, and the second button 25 moves in the opening 26, so that the second button 25 can be pressed to be not in the opening 26, and the armrest 24 can be detached.

As shown in fig. 10, the handrail 24 includes a detaching portion 27 and a holding portion 28, and the holding portion 28 is provided on the detaching portion 27. Meanwhile, the detaching part 27 is movably provided with a second button 25 and penetrates through the card interface 23.

The disassembling part 27 is mainly used for disassembling the armrests and connecting the seat 1, and the supporting part 28 is used for holding by children and is made of soft materials and designed in a radian, so that a good experience is provided.

Meanwhile, the detaching part 27 is provided with a cover 29, a second spring 30 is arranged between the cover 29 and the second button 25, and the cover 29 is provided with a second sleeving part 31. The second spring 30 mainly plays a role of automatic reset.

When the power-assisted button is used, one end of the second spring 30 is sleeved on the second sleeve portion 31, and the other end of the second spring abuts against the bottom of the second button 25, so that the position of the second spring 30 is limited, and the cover 29 applies force to the second spring 30 to assist the second button 25 to reset.

Therefore, in actual use, when the second button 25 is pushed to detach the armrest 24, the second spring 30 is in a compressed state until the armrest 24 moves away from the card interface 23, and the second spring 30 pushes the second button 25 to return due to the elasticity of the second spring 30. Therefore, the device can automatically reset and limit, is convenient for a user to use, has a simple structure and is convenient to process and install.

As shown in fig. 11, it can be seen that the bottom of the seat 1 is rotatably provided with the pedal assembly 32, so that a child can step on the pedal assembly, and meanwhile, whether the child is used or not can be selected according to actual conditions, and the child can be rotated and folded when the child is not used, so that the child does not occupy space.

And the concrete rotating structure is as follows: firstly, the pedal assembly 32 includes the second bracket 33, the connecting seats 34 are symmetrically arranged at the bottom of the seat 1, and the second bracket 33 is arranged between the connecting seats 34, and the second bracket 33 passes through the connecting seats 34 and the second bracket 33 through the rotating shaft 35, so that the second bracket 33 is rotatably arranged at the bottom of the seat 1. Through simple rotating-structure promptly to realize rotating, can guarantee the stability of structure promptly, and be convenient for processing and installation.

And the other end of the rotating shaft 35 is provided with a sleeve to prevent the rotating shaft 35 from falling off the connecting seat 34.

The sleeving part, such as the sleeving part I9 and the sleeving part II 31, can be a fixed shaft supporting shaft part, and the whole spring is sleeved on the sleeving part or partially sleeved on the sleeving part according to the actual condition and the size of the spring. Connect through simple structure promptly to guarantee the stability of structure, and the suitability is strong, the processing and the installation of being convenient for simultaneously.

The specific working process of the scheme is as follows:

when the angle of back 2 will be adjusted according to actual conditions, for example need children to be in and empty, accessible this moment carries and draws spring bolt 4 and then makes spring bolt 4 no longer the joint in draw-in groove 3, therefore does not have spacingly this moment, alright rotate back 2 to angle regulation, so the practicality is strong.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a backrest angle adjustment mechanism of children's shallow which characterized in that: including seat (20), seat (20) include base (1) and back (2), and base (1) and back (2) are articulated each other, back (2) one side is provided with mobilizable spring bolt (4), a plurality of draw-in groove (3) have been seted up on base (1), spring bolt (4) joint is in draw-in groove (3), through carrying spring bolt (4) and then make spring bolt (4) no longer joint in draw-in groove (3) to rotatable back (2).

2. The seat back angle adjustment mechanism for a stroller as recited in claim 1, wherein: backrest (2) one side is provided with mount pad (5), and the removal is provided with in mount pad (5) spring bolt (4), spring bolt (4) pot head are equipped with spring one (11), and spring one (11) other end supports and leans on mount pad (5) inboard.

3. The seat back angle adjustment mechanism for a stroller as recited in claim 2, wherein: the spring bolt (4) comprises a clamping portion (6) and a lifting portion (7), a lifting ring (8) used for lifting is arranged on one side of the lifting portion (7), a sleeving portion I (9) is arranged at the top of the lifting portion (7), and the sleeving portion I (9) is sleeved with a spring I (11).

4. A seat back angle adjustment mechanism for a stroller according to claim 2 or 3, wherein: the mounting seat (5) is provided with a moving groove (10), and the bolt (4) moves in the moving groove (10).

5. A child cart seat, comprising: comprising a seat (20), the seat (20) comprising a base (1) and a backrest (2), and the seat (20) being provided with an adjustment mechanism according to any one of claims 1-4;

the top of the backrest (2) is rotatably provided with a sun shield (12), the top of the backrest (2) is provided with a first support (13), the first support (13) is rotatably provided with a first rotating piece (14), and one side of the first rotating piece (14) is rotatably provided with a second rotating piece (38);

the first rotating piece (14) and the second rotating piece (38) are respectively connected with one end of the sun shield (12), and the angle of the sun shield (12) is adjusted through mutual rotation between the first rotating piece (14) and the second rotating piece (38) and between the first bracket (13) and the first rotating piece (14).

6. A stroller seat according to claim 5, wherein: rotate piece (14) terminal surface shaping and have sawtooth one (15), just it has sawtooth two (16) and sawtooth three (39) to rotate piece two (38) both sides terminal surface shaping respectively, support one (13) terminal surface shaping has sawtooth four (40), sawtooth one (15) and sawtooth two (16) intermeshing, sawtooth three (39) and sawtooth four (40) intermeshing.

7. A stroller seat according to claim 5, wherein: one end of the second rotating part (38) is provided with a cover plate (17), a third spring (18) is arranged between the cover plate (17) and the second rotating part (38), and the second rotating part (38) is pushed to abut against the first rotating part (14) through the third spring (18).

8. A stroller seat according to claim 5, wherein: a clamping interface (23) is formed in the base (1), and a detachable handrail (24) is arranged in the clamping interface (23);

the handrail (24) is provided with a second button (25) in a moving mode, an opening (26) is formed in the peripheral side of the clamping opening (23), the second button (25) moves in the opening (26), and the handrail (24) is detached by pressing the second button (25).

9. A stroller seat according to claim 8, wherein: the handrail (24) comprises a detaching part (27) and a supporting part (28), the supporting part (28) is arranged on the detaching part (27), and the detaching part (27) is movably provided with the second button (25) and penetrates through the clamping interface (23);

the disassembly part (27) is provided with a cover (29), a second spring (30) is arranged between the cover (29) and the second button (25), the cover (29) is provided with a second sleeving part (31), one end of the second spring (30) is sleeved on the second sleeving part (31), and the other end of the second spring is abutted against the bottom of the second button (25).

10. A stroller seat according to claim 5, wherein: a pedal assembly (32) is rotatably arranged at the bottom of the base (1), and the pedal assembly (32) comprises a second bracket (33);

the bottom of the base (1) is symmetrically provided with connecting seats (34), the second support (33) is arranged between the connecting seats (34), and the rotating shaft (35) penetrates through the connecting seats (34) and the second support (33), so that the second support (33) is rotatably arranged at the bottom of the base (1).

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