CN217013378U

CN217013378U - Backrest adjustable baby rocking chair folding device

Info

Publication number: CN217013378U
Application number: CN202220710151.6U
Authority: CN
Inventors: 赵泽鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-07-22
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a baby rocking chair folding device with an adjustable backrest, which comprises a fixed joint seat, a reset spring, a clutch wheel, a movable joint seat and a button, wherein the movable joint seat is hinged on the fixed joint seat, the clutch wheel is axially movably arranged on the fixed joint seat, the reset spring is arranged between the fixed joint seat and the clutch wheel, the clutch wheel is provided with helical teeth and limiting teeth, the helical teeth are provided with helical tooth inclined planes and helical tooth straight planes, the movable joint seat is provided with helical teeth, the helical teeth are provided with helical tooth inclined planes matched with the helical tooth inclined planes and helical tooth straight planes matched with the helical tooth straight planes, when the straight tooth planes of the limiting teeth are matched with the helical tooth straight planes on the outermost side, the movable joint seat is limited, and the button is arranged on the movable joint seat and can push the clutch wheel to be separated from the movable joint seat. After adopting above-mentioned structure, have that structural design is reasonable, easy operation is convenient, automatic locking, use advantage such as safe and reliable.

Description

Backrest adjustable baby rocking chair folding device

Technical Field

The utility model relates to the technical field of baby products, in particular to a folding device of a baby rocking chair with an adjustable backrest, which is simple and convenient to fold and safe and reliable to use.

Background

The baby rocking chair is a child care tool for providing entertainment and rest for babies, the backrest of the rocking chair is adjusted to be in a lying mode when the babies have a rest, the backrest of the rocking chair is adjusted to be in a chair mode when the babies have the rest, and the backrest of the rocking chair is adjusted to be in a folding mode when the babies have the rest, so that the backrest of the rocking chair is folded, the baby rocking chair is convenient to store, and the space is saved. Although the baby rocking chairs in the market also have rocking chairs with adjustable and foldable rocking chair backs, the rocking chairs are generally realized by simple structures such as positioning pins and latches, the unfolding and folding operations of the rocking chair backs are difficult and extremely inconvenient, the connecting structures have some rocking motions during use, and are not stable and firm enough, and even have the risk of accidental folding during the chair mode, so that the use safety of babies is not facilitated, and the baby rocking chairs need to be further improved. Therefore, many manufacturers and knowledgeable persons develop and develop the products, but no good products are yet available.

Disclosure of Invention

In order to overcome the problems in the prior art, the utility model aims to develop a folding device of a baby rocking chair with an adjustable backrest, which has the advantages of reasonable structural design, simple and convenient operation, automatic locking of a movable joint seat and a fixed joint seat, and safe and reliable use.

The utility model adopts the technical scheme that the clutch comprises a fixed joint seat, a reset spring, a clutch wheel, a movable joint seat and a button, wherein the movable joint seat is hinged on the fixed joint seat through a hinge shaft, the clutch wheel is axially movably arranged on the fixed joint seat, the reset spring is arranged between the fixed joint seat and the clutch wheel, the clutch wheel is provided with inclined teeth and limiting teeth, the inclined teeth are provided with inclined tooth inclined surfaces and inclined tooth straight surfaces, the movable joint seat is provided with inclined teeth, the inclined teeth are provided with inclined tooth inclined surfaces matched with the inclined tooth inclined surfaces during folding and inclined tooth straight surfaces matched with the inclined tooth straight surfaces during unfolding, when the straight tooth surfaces of the limiting teeth are matched with the inclined tooth straight surfaces on the outermost side, the movable joint seat is limited, and the button is arranged on the movable joint seat and can push the clutch wheel to move axially to be separated from the movable joint seat.

According to a further scheme of the utility model, a straight tooth part is arranged on the helical teeth of the clutch wheel, and a tooth groove matched with the straight tooth part is arranged in the fixed joint seat.

According to a further scheme of the utility model, the button is provided with the plug pins, the plug pins are provided with the reverse buckles, the movable joint seat is provided with the plug ports matched with the plug pins, the button is arranged on the movable joint seat in an axially movable mode through the matching of the plug pins and the plug ports, the reverse buckles the plug ports to enable the button not to be separated from the movable joint seat, and the reverse buckles are matched with the end faces of the clutch wheels.

In a further scheme of the utility model, a shaft sleeve sleeved on the articulated shaft is arranged on the fixed joint seat, and the reset spring is sleeved on the shaft sleeve.

In a further scheme of the utility model, a seat tube handle fixedly connected with the seat tube is arranged on the fixed joint seat, and a backrest tube handle fixedly connected with the backrest tube is arranged on the movable joint seat.

After adopting above-mentioned structure, compare with prior art and have following advantage and effect: firstly, structural design is reasonable, and easy operation is convenient, the sound construction, and stability is good. And after the adjustment operation is finished, the movable joint seat is loosened or stops rotating, and the clutch wheel automatically locks the movable joint seat and the fixed joint seat under the elastic force action of the return spring. Thirdly, when the lying mode is adjusted towards the seat mode, the movable joint seat is rotated to realize three-gear adjustment, and the operation is simple and convenient; when the chair mode is unfolded towards the lying mode, the button is required to be pressed down to enable the clutch wheel to be in clutch with the movable joint seat, so that stepless adjustment can be realized, and misoperation can be prevented. And fourthly, when the seat mode is folded towards the folding mode or the folding mode is unfolded towards the seat mode, the clutch wheel and the movable joint seat are in clutch by pressing the button, the movable joint seat can be rotated to realize folding or unfolding, and the bidirectional use safety can be ensured.

Drawings

Fig. 1 is an exploded view of the infant rocking chair frame according to the present invention.

Fig. 2 is a schematic view of the matching structure of the folding device of the present invention.

Fig. 3 is an exploded view of the folding device of the present invention.

Fig. 4 is an exploded view of the folding device of the present invention from another angle.

Fig. 5 is a schematic view of the engagement structure between the movable joint seat and the clutch gear in the lying mode of the present invention.

FIG. 6 is a schematic view of the engaging structure between the movable joint seat and the clutch gear in the seat mode according to the present invention.

FIG. 7 is a schematic view of the engaging structure of the movable joint seat and the clutch gear in the folding mode of the present invention.

Fig. 8 is a schematic view of a lying down mode of the baby rocking chair frame according to the present invention.

FIG. 9 is a perspective view of the infant swing frame shown in a folded mode according to the present invention.

The seat comprises a connecting seat 1, a seat tube 2, a backrest tube 3, a fixed joint seat 4, a seat tube handle 41, a shaft sleeve 42, a tooth groove 43, a reset spring 5, a clutch wheel 6, a straight tooth part 61, an inclined tooth 62, a limiting tooth 63, an inclined tooth inclined plane 64, an inclined tooth straight plane 65, a movable joint seat 7, a backrest tube handle 71, a plug socket 72, an inclined tooth 73, an inclined tooth inclined plane 74, an inclined tooth straight plane 75, a button 8, a pin 81, an inverted buckle 82 and a hinged shaft 9.

Detailed Description

Fig. 1 to 9 show a folding device of a baby rocking chair with adjustable backrest according to a specific embodiment of the present invention, which comprises a fixed joint seat 4, a return spring 5, a clutch wheel 6, a movable joint seat 7 and a button 8, wherein the movable joint seat 7 is hinged on the fixed joint seat 4 through a hinge shaft 9, the movable joint seat 7 is provided with a three-gear adjustable structure corresponding to the fixed joint seat 4, the clutch wheel 6 is axially movably arranged on the fixed joint seat 4, the return spring 5 is arranged between the fixed joint seat 4 and the clutch wheel 6, the clutch wheel 6 is provided with two sets of six helical teeth 62 and a limit tooth 63 which are correspondingly distributed, each helical tooth 62 is provided with a helical tooth inclined surface 64 and a helical tooth straight surface 65, the movable joint seat 7 is provided with two sets of four helical teeth 73 which are matched with the helical teeth 62 and the limit tooth 63, each helical tooth 73 is provided with a helical tooth inclined surface 74, a helical surface which is matched with the helical tooth inclined surface 64 when folded, When the clutch gear is unfolded, the straight tooth surface 75 matched with the straight tooth surface 65 has a limiting effect on the movable joint seat 7 when the straight tooth surface of the limiting tooth 63 is matched with the straight tooth surface 75 on the outermost side, and the button 8 is arranged on the movable joint seat 7 and can push the clutch gear 6 to axially move and be separated from the movable joint seat 7.

In order to ensure that the clutch wheel 6 is reliably separated from the movable joint seat 7, a straight tooth part 61 is arranged on the helical tooth 62 of the clutch wheel 6, and a tooth groove 43 matched with the straight tooth part 61 is arranged in the fixed joint seat 4.

In order to ensure that the button 8 can not be separated from the movable joint seat 7 and the clutch wheel 6 can be pressed to be separated from the movable joint seat 7, the button 8 is provided with a pin 81, an inverted buckle 82 is arranged on the pin 81, the movable joint seat 7 is provided with a socket 72 matched with the pin 81, the button 8 is arranged on the movable joint seat 7 in an axially movable manner by matching the pin 81 with the socket 72, the inverted buckle 82 is buckled on the socket 72 to ensure that the button 8 can not be separated from the movable joint seat 7, and the inverted buckle 82 is matched with the end surface of the clutch wheel 6.

In order to facilitate the installation of the return spring 5, the fixed joint seat 4 is provided with a shaft sleeve 42 sleeved on the hinge shaft 9, and the return spring 5 is sleeved on the shaft sleeve 42.

For the convenience of assembly, the fixed joint seat 4 is provided with a seat tube handle 41 fixedly connected with the seat tube 2, and the movable joint seat 7 is provided with a backrest tube handle 71 fixedly connected with the backrest tube 3. The seat tube 2 is fixed with a connecting seat 1 fixedly connected with the seat of the baby.

The matching structure of the clutch wheel 6 and the movable joint seat 7 in the lying mode of the utility model is shown in fig. 5, at this time, the straight tooth surface 75 of the helical tooth 73 on the outermost movable joint seat 7 in the clockwise direction is matched and limited with the straight tooth surface of the limiting tooth 63 on the clutch wheel 6, the straight tooth surfaces 75 of other helical teeth 73 on the movable joint seat 7 are matched and limited with the straight tooth surface 65 of the helical tooth 62 on the corresponding clutch wheel 6, and the movable joint seat 7 can only be rotationally adjusted in the counterclockwise direction.

When the movable joint seat 7 is rotated to be adjusted from the lying mode to the seat mode, the inclined tooth inclined surfaces 74 of the inclined teeth 73 on the movable joint seat 7 are in sliding fit with the inclined tooth inclined surfaces 64 of the inclined teeth 62 on the clutch pulley 6, the inclined tooth inclined surfaces 74 of the inclined teeth 73 push the inclined tooth inclined surfaces 64 of the inclined teeth 62, so that the clutch pulley 6 overcomes the elastic force of the return spring 5 and then axially moves along the tooth groove 43 to the fixed joint seat 4 direction, when the inclined teeth 73 on the movable joint seat 7 slide over one corresponding inclined tooth 62 on the clutch pulley 6, the first gear adjustment is realized, and when the third gear adjustment is realized, the inclined tooth inclined surfaces 74 of the inclined teeth 73 on the movable joint seat 7 on the outermost side in the counterclockwise direction are matched with the straight tooth surfaces of the limiting teeth 63 on the clutch pulley 6 for limiting, as shown in fig. 6, so that the seat mode adjustment is realized, and the operation is simple and convenient. If the chair mode is unfolded towards the lying mode, the straight tooth surface 75 of the inclined teeth 73 is matched with the straight tooth surface of the limiting teeth 63 for limiting, so that the movable joint seat 7 cannot be directly rotated for adjustment, the button 8 must be pressed first, the button 8 pushes the clutch wheel 6 to be in clutch with the movable joint seat 7, the movable joint seat 7 can be rotated for stepless adjustment, and misoperation can be prevented.

When the movable joint seat 7 is adjusted from the seat mode to the folding mode, the reclining mode cannot be operated to the seat mode, and the button 8 must be pressed first, and the button 8 pushes the clutch wheel 6 to be disengaged from the movable joint seat 7, so that the movable joint seat 7 can be rotated to realize folding, as shown in fig. 7. If the folding mode is unfolded towards the direction of the seat mode, the button 8 is pressed, the button 8 pushes the clutch wheel 6 to be in clutch with the movable joint seat 7, the movable joint seat 7 can be rotated to realize adjustment, and the bidirectional use safety can be ensured.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the present invention in any way, and simple modifications, equivalent changes and modifications may be made without departing from the technical scope of the present invention.

Claims

1. The utility model provides a back adjustable baby's rocking chair folding device which characterized in that: comprises a fixed joint seat (4), a reset spring (5), a clutch wheel (6), a movable joint seat (7) and a button (8), wherein the movable joint seat (7) is hinged on the fixed joint seat (4) through a hinge shaft (9), the clutch wheel (6) is axially movably arranged on the fixed joint seat (4), the reset spring (5) is arranged between the fixed joint seat (4) and the clutch wheel (6), the clutch wheel (6) is provided with inclined teeth (62) and limit teeth (63), the inclined teeth (62) are provided with inclined tooth inclined planes (64) and inclined tooth straight planes (65), the movable joint seat (7) is provided with inclined teeth (73), the inclined teeth (73) are provided with inclined tooth inclined planes (74) which are matched with the inclined tooth inclined planes (64) during folding and inclined tooth straight planes (75) which are matched with the inclined teeth straight planes (65) during unfolding, and when the inclined tooth straight planes of the limit teeth (63) are matched with the inclined teeth straight planes (75) at the outermost side, the movable joint seat (7) is limited, the button (8) is arranged on the movable joint seat (7) and can push the clutch wheel (6) to move axially to be separated from the movable joint seat (7).

2. An infant swing folding apparatus with adjustable backrest as claimed in claim 1, wherein: the clutch gear (6) is characterized in that a straight tooth part (61) is arranged on the helical tooth (62), and a tooth groove (43) matched with the straight tooth part (61) is arranged in the fixed joint seat (4).

3. An infant swing folding apparatus with adjustable backrest as claimed in claim 1 or claim 2, wherein: button (8) be equipped with and participate in (81), be equipped with back-off (82) on participating in (81), articulated seat (7) be equipped with participate in (81) complex interface (72), but button (8) through participating in (81) and interface (72) cooperation axial displacement's setting on articulated seat (7), back-off (82) lock joint interface (72) are gone up and are made button (8) can not deviate from articulated seat (7) from, back-off (82) and the terminal surface cooperation of separation and reunion wheel (6).

4. A baby bouncer folding device with adjustable backrest as claimed in claim 3, wherein: the fixed joint seat (4) is provided with a shaft sleeve (42) sleeved on the hinge shaft (9), and the reset spring (5) is sleeved on the shaft sleeve (42).

5. The folding device of a baby bouncer with adjustable backrest of claim 4, wherein: the fixed joint seat (4) is provided with a seat tube handle (41) fixedly connected with the seat tube (2), and the movable joint seat (7) is provided with a backrest tube handle (71) fixedly connected with the backrest tube (3).