CN217170777U

CN217170777U - Baby carriage seat pocket folding mechanism

Info

Publication number: CN217170777U
Application number: CN202220245128.4U
Authority: CN
Inventors: 朱宇烨
Original assignee: Ningbo Wanlyan Child Products Co ltd
Current assignee: Ningbo Wanlyan Child Products Co ltd
Priority date: 2022-01-29
Filing date: 2022-01-29
Publication date: 2022-08-12
Anticipated expiration: 2032-01-29

Abstract

The utility model relates to a folding mechanism of a baby carriage seat pocket, which comprises a first joint, a second joint, a third joint and a locking component, wherein the first joint and the second joint are coaxially hinged with the third joint, and the locking component is used for locking or unlocking the first joint, the second joint and the third joint; a first limiting block is movably arranged on the third joint, a second limiting block is arranged on the second joint, the first limiting block is positioned on a rotating path of the second limiting block, a convex edge is arranged on the first joint along the circumferential direction, a first inclined surface is arranged on the convex edge, a clamping groove is arranged on the first limiting block, when the first joint rotates relative to the third joint, the convex edge enters the clamping groove through the first inclined surface and jacks up the first limiting block along the axial direction, so that the first limiting block leaves the rotating path of the second limiting block, and a resetting piece is arranged on the first limiting block; the baby carriage seat pocket folding mechanism solves the technical problem that after being unlocked, all joints of the baby carriage seat pocket folding mechanism in the prior art can freely rotate without limit, and the baby is easily injured.

Description

Baby carriage seat pocket folding mechanism

Technical Field

The utility model relates to a perambulator technical field specifically says and indicates a perambulator seat pocket folding mechanism.

Background

The baby carriage is a tool carriage designed for providing convenience for outdoor activities of babies, has various vehicle types, can be moved only by being pushed or pulled by a person, and is a tool for replacing the walking of the babies when a family goes out or takes babies to walk. At present, the baby carriage is more and more popular, and the traditional baby carriage is bulky and inconvenient to carry and store. Therefore, the foldable stroller is more and more popular. In order to realize the folding function of the baby carriage on the market, the folding joint of the baby carriage is a key part, particularly a seat pocket part, and not only the folding convenience but also the safety in use need to be considered. However, the folding joints of the seat pocket of the baby carriage on the market at present are not only complex in structure, but also can rotate freely without limit after the joints are unlocked through the unlocking mechanism in the folding process, wherein the lifted joints or connecting rods can even fall back quickly to cause injury to the baby, and the safety is poor.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide a can play limiting displacement's perambulator seat pocket folding mechanism to the joint after the unblock to improve the security performance of perambulator.

In order to solve the technical problem, the utility model provides a baby carriage seat pocket folding mechanism, including first dwang, second dwang, connecting rod and locking Assembly, first dwang one end is equipped with the first joint, and second dwang one end is equipped with the second joint, is equipped with the third joint on the connecting rod, and first joint and second joint all are coaxial with the third joint to articulate, and first joint and second joint all can fold or expand relative to the third joint, and locking Assembly is used for locking or unblock first joint, second joint and third joint; a first limiting block is movably arranged on the third joint, a second limiting block is arranged on the second joint, the first limiting block abuts against the second limiting block and is positioned on a rotating path of the second limiting block, an arc-shaped convex edge is arranged on the first joint along the circumferential direction, a first inclined plane is arranged at one end of the convex edge, and a clamping groove is formed in the first limiting block; when the first joint rotates relative to the third joint, the convex edge enters the clamping groove through the first inclined surface and jacks up the first limiting block along the axial direction, so that the first limiting block leaves the rotating path of the second limiting block; the first limiting block is provided with a resetting piece, and when the first limiting block leaves a rotating path of the second limiting block, the resetting piece enables the first limiting block to have a trend of moving axially towards the direction of the second limiting block.

After the structure is adopted, the utility model relates to a baby carriage seat pocket folding mechanism has following advantage: when the perambulator was normally used, make first joint and second joint all unable folding through locking Assembly, after the locking Assembly unblock, make first joint collapsible, and at this moment because first stopper offsets and is located the rotation route of second stopper with the second stopper, the second joint is spacing and unable folding, only rotate folding in-process at first joint, the chimb rotates in step, and enter into the draw-in groove through first inclined plane and jack up first stopper, the just rotatable folding of second joint this moment, prevent that the rapid fall-back of second joint from causing the baby to harm, holistic security has been increased, folding convenient operation moreover.

As an improvement, the locking assembly comprises a locking member, a first clamping member and a steel cable, the locking member is clamped on the third joint, a first groove is formed in the first joint, the locking member is clamped in the first groove, a sliding groove is formed in the first joint, the first clamping member is arranged in the sliding groove in a sliding mode along the radial direction, a first protrusion is arranged on the first clamping member, a first limiting groove is formed in the second joint, the first protrusion is clamped in the first limiting groove, one end of the steel cable is movably connected with the first clamping member, an ejection face is arranged on the first clamping member, an ejection hole is formed in the locking member, the ejection face is located in the ejection hole, when the steel cable is pulled, the first clamping member slides along the sliding groove in the radial direction, the locking member is ejected out of the first groove through the ejection face and the ejection hole, the first protrusion leaves the first limiting groove, and the first joint and the second joint can rotate relative to the third joint; by adopting the structure, only the steel cable needs to be pulled, the first clamping piece is driven to slide, the first joint and the third joint can be unlocked, and the second joint and the first joint are unlocked simultaneously, so that the folding joint is simple in structure and convenient to operate.

As an improvement, a through hole is arranged on the first joint, the first bulge penetrates through the through hole, a first reset spring is arranged between the first bulge and the inner wall of the through hole, and two ends of the first reset spring are respectively abutted against the first bulge and the inner wall of the through hole; adopt this kind of structure, behind the first joint spare of cable wire pulling, first reset spring is compressed promptly to when needs expansion seat pocket, through the first reset spring of compressed automatic with first protruding jack-up joint to first spacing inslot, simple structure and convenient operation.

As an improvement, a fourth joint used for connecting a seat bag guardrail is rotatably arranged on the third joint, a second limiting groove is formed in the fourth joint, a second clamping piece is movably clamped in the second limiting groove, a second bulge is arranged on the second clamping piece and clamped in the second joint, a third bulge is arranged on the first joint, a second inclined plane is arranged on the second bulge and is positioned on a rotating path of the third bulge, and when the first rotating rod rotates relative to the connecting rod, the third bulge pushes the second clamping piece away from the second limiting groove through the second inclined plane, so that the fourth joint can rotate relative to the second joint; by adopting the structure, during normal use, the second clamping piece is clamped in the second limiting groove, and in the process of rotating the first rotating rod, the second clamping piece is pushed away from the second limiting groove through the third protrusion and the second inclined plane, so that the fourth joint can rotate relative to the second joint, the fourth joint and the seat pocket guardrail are foldable, and the structure is simple and convenient to operate.

As an improvement, the reset piece is a second reset spring, and two ends of the second reset spring are respectively abutted against the first limiting block and the third joint; by adopting the structure, when the first limiting block is pushed away from the rotating path of the second limiting block, the second reset spring is compressed, when the seat pocket needs to be unfolded, the compressed second reset spring can automatically push the first limiting block back to the rotating path of the second limiting block, and the seat pocket is simple in structure and convenient to operate.

As an improvement, the second limiting block is fan-shaped; by adopting the structure, the hands are prevented from being clamped in the folding process, and the safety is further improved.

As an improvement, a fourth bulge is arranged on the first joint, and the first limiting block is positioned on a rotating path of the fourth bulge; by adopting the structure, in the process that the first joint is unfolded and rotates towards the maximum angle, the fourth protrusion can abut against the first limiting block to enable the first rotating rod and the first joint to further rotate, namely, the maximum unfolding angle of the first rotating rod is limited, and the overall stability and safety are improved.

Drawings

Fig. 1 is a schematic view of the overall exploded structure of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is an exploded schematic view of the first joint, the second joint and the fourth joint of the present invention.

Fig. 4 is a schematic perspective view of the first joint and the second joint of the present invention.

Reference numerals: 1. a first rotating lever; 100. a first joint; 2. a second rotating rod; 200. a second joint; 3. a connecting rod; 300. a third joint; 400. a fourth joint; 5. a locking member; 6. a first stopper; 7. a first groove; 8. a second limiting block; 9. a convex edge; 10. a first inclined plane; 11. a card slot; 121. a first clip member; 122. a steel cord; 13. a chute; 14. a first protrusion; 15. a first limit groove; 16. ejecting the surface; 17. an ejection aperture; 18. a through hole; 19. a first return spring; 20. a second limit groove; 21. a second clip member; 22. a second protrusion; 23. a third protrusion; 24. a second inclined surface; 25. a second return spring; 26. and a fourth protrusion.

Detailed Description

The following describes a folding mechanism of a seat pocket for a baby carriage in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, a seat pocket folding mechanism for a stroller includes a first rotating rod 1, a second rotating rod 2, a connecting rod 3 and a locking assembly, wherein a first joint 100 is provided at one end of the first rotating rod 1, a second joint 200 is provided at one end of the second rotating rod 2, a third joint 300 is provided on the connecting rod 3, and in addition, a fourth joint 400 for connecting a guard rail of the seat pocket is further included; the stroller comprises a fourth joint 400, a second joint 200, a first joint 100 and a third joint 300 from inside to outside in sequence, the fourth joint 400, the second joint 200 and the first joint 100 are all coaxially hinged with the third joint 300, the first joint 100, the second joint 200 and the fourth joint 400 can be folded or unfolded relative to the third joint 300, and a locking assembly is used for locking or unlocking the first joint 100, the second joint 200, the fourth joint 400 and the third joint 300.

A first limiting block 6 is movably arranged on the third joint 300, a second limiting block 8 is arranged on the second joint 200, the first limiting block 6 abuts against the second limiting block 8 and is positioned on a rotating path of the second limiting block 8, an arc-shaped convex edge 9 is arranged on the first joint 100 along the circumferential direction, a first inclined surface 10 is arranged at one end of the convex edge 9, and a clamping groove 11 is arranged on the first limiting block 6; in this embodiment, second stopper 8 is fan-shaped, blocks the hand when preventing to fold, increases holistic security. In addition, the first joint 100 is further provided with a fourth protrusion 26, the first limiting block 6 is located on a rotation path of the fourth protrusion 26, and in the process that the first joint 100 is unfolded and rotates to the maximum angle, the fourth protrusion 26 abuts against the first limiting block 6, so that the first rotation rod 1 and the first joint 100 cannot further rotate, that is, the maximum unfolding angle of the first rotation rod 1 is limited, so as to increase the overall stability and safety.

The locking assembly comprises a locking part 5, a first clamping part 121 and a steel cable 122, the locking part 5 is clamped on the third joint 300, a first groove 7 is formed in the first joint 100, and the locking part 5 is clamped in the first groove 7; wherein the locking piece 5 is in a gear shape, and the first grooves 7 are a plurality of tooth-shaped grooves; a sliding groove 13 is formed in the first joint 100, the first clamping piece 121 is arranged in the sliding groove 13 in a sliding mode along the radial direction, a first protrusion 14 is arranged on the first clamping piece 121, a first limiting groove 15 is formed in the second joint 200, a through hole 18 is formed in the first joint 100, the first protrusion 14 penetrates through the through hole 18 and is clamped in the first limiting groove 15, a first reset spring 19 is arranged between the first protrusion 14 and the inner wall of the through hole 18, and two ends of the first reset spring 19 are respectively abutted against the inner walls of the first protrusion 14 and the through hole 18; one end of the steel cable 122 is movably connected with the first clamping piece 121, the other end of the steel cable 122 is connected with the baby carriage, and the specific structure of the other end of the steel cable 122 connected with the baby carriage is the prior art and is not described herein again; the first clamping piece 121 is provided with an ejecting surface 16, the locking piece 5 is provided with an ejecting hole 17, and the ejecting surface 16 is positioned in the ejecting hole 17; in the present embodiment, the ejecting surface 16 and the ejecting hole 17 are both spherical, and in some embodiments, an inclined surface may be selected; when the steel cable 122 is pulled, the first clamping piece 121 slides along the sliding groove 13 in the radial direction, and the locking piece 5 is ejected out of the first groove 7 through the ejection surface 16 and the ejection hole 17, so that the first joint 100 can rotate relative to the third joint 300, and the first protrusion 14 leaves the first limiting groove 15; when the first joint 100 rotates relative to the third joint 300, the convex edge 9 enters the clamping groove 11 through the first inclined surface 10 and jacks up the first limiting block 6 in the axial direction, so that the first limiting block 6 leaves the rotation path of the second limiting block 8, and the second joint 200 can rotate relative to the first joint 100 and the third joint 300; the first limiting block 6 is provided with a resetting piece, and when the first limiting block 6 leaves the rotating path of the second limiting block 8, the resetting piece enables the first limiting block 6 to have the tendency of moving axially towards the second limiting block 8; in this embodiment, the reset piece is a second reset spring 25, and two ends of the second reset spring 25 respectively abut against the first limiting block 6 and the third joint 300.

As shown in fig. 1 and fig. 3, a second limiting groove 20 is formed in the fourth joint 400, a second fastening piece 21 is movably fastened in the second limiting groove 20, a second protrusion 22 is formed on the second fastening piece 21, the second protrusion 22 is fastened in the second joint 200, a third protrusion 23 is formed on the first joint 100, a second inclined surface 24 is formed on the second protrusion 22, the second inclined surface 24 is located on a rotation path of the third protrusion 23, and when the first rotating rod 1 rotates relative to the connecting rod 3, the third protrusion 23 pushes the second fastening piece 21 away from the second limiting groove 20 along the radial direction through the second inclined surface 24, so that the fourth joint 400 can rotate relative to the second joint 200.

When the baby carriage is in a use state, the locking part 5 is clamped in the first groove 7, the first limiting block 6 is positioned on a rotating path of the second limiting block 8, and the second clamping part 21 is clamped in the second limiting groove 20; when the stroller is folded, the steel cable 122 is pulled first, the first clamping piece 121 slides upwards, the locking piece 5 is pushed towards the outer side of the stroller and leaves the first groove 7 under the action of the ejection surface 16 and the ejection hole 17, and meanwhile, the first protrusion 14 leaves the first limiting groove 15; at this time, the first rotating rod 1 can be rotated, in the process of rotating the first rotating rod 1, the convex edge 9 enters the clamping groove 11 through the first inclined surface 10 and pushes the first limiting block 6 to the outer side of the baby carriage and leaves the rotating path of the second limiting block 8, and at this time, the second rotating rod 2 can be rotated; and when rotating first rotation pole 1, third arch 23 is through second inclined plane 24 with second joint 21 along radially pushing up from second spacing groove 20, at this moment, rotatable fourth joint 400 realizes the folding of seat pocket, not only simple structure but also when each joint is unblock through locking Assembly, still has limiting displacement, has increased holistic security performance.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned one, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.

Claims

1. The utility model provides a baby carriage seat pocket folding mechanism, its characterized in that includes first dwang (1), second dwang (2), connecting rod (3) and locking Assembly, first dwang (1) one end is equipped with first joint (100), second dwang (2) one end is equipped with second joint (200), be equipped with third joint (300) on connecting rod (3), first joint (100) with second joint (200) all with third joint (300) coaxial hinge, just first joint (100) with second joint (200) homoenergetic is relative third joint (300) are folded or are expanded, locking Assembly is used for with first joint (100), second joint (200) with third joint (300) locking or unblock; a first limiting block (6) is movably arranged on the third joint (300), a second limiting block (8) is arranged on the second joint (200), the first limiting block (6) is abutted against the second limiting block (8) and is positioned on a rotating path of the second limiting block (8), an arc-shaped convex edge (9) is arranged on the first joint (100) along the circumferential direction, a first inclined plane (10) is arranged at one end of the convex edge (9), and a clamping groove (11) is arranged on the first limiting block (6); when the first joint (100) rotates relative to the third joint (300), the convex edge (9) enters the clamping groove (11) through the first inclined surface (10) and jacks up the first limiting block (6) along the axial direction, so that the first limiting block (6) leaves the rotating path of the second limiting block (8); the first limiting block (6) is provided with a resetting piece, and when the first limiting block (6) leaves a rotating path of the second limiting block (8), the resetting piece enables the first limiting block (6) to have a trend of moving towards the second limiting block (8) in the axial direction.

2. The folding mechanism of a baby carriage seat pocket according to claim 1, wherein the locking assembly comprises a locking member (5), a first clamping member (121) and a steel cable (122), the locking member (5) is clamped on the third joint (300), a first groove (7) is arranged on the first joint (100), the locking member (5) is clamped in the first groove (7), a sliding groove (13) is arranged on the first joint (100), the first clamping member (121) is arranged in the sliding groove (13) in a sliding manner along a radial direction, a first protrusion (14) is arranged on the first clamping member (121), a first limiting groove (15) is arranged on the second joint (200), the first protrusion (14) is clamped in the first limiting groove (15), one end of the steel cable (122) is movably connected with the first clamping member (121), be equipped with ejecting face (16) on first joint spare (121), be equipped with ejecting hole (17) on retaining member (5), ejecting face (16) are located in ejecting hole (17), when the pulling during cable wire (122), first joint spare (121) are followed spout (13) radial sliding, and pass through ejecting face (16) with ejecting hole (17) will retaining member (5) are ejecting first recess (7), make simultaneously first arch (14) leave first spacing groove (15), and make first joint (100) with second joint (200) can be relative third joint (300) rotate.

3. A baby carriage pocket folding mechanism as claimed in claim 2, characterized in that the first joint (100) is provided with a through hole (18), the first protrusion (14) passes through the through hole (18), a first return spring (19) is provided between the first protrusion (14) and the inner wall of the through hole (18), and both ends of the first return spring (19) abut against the first protrusion (14) and the inner wall of the through hole (18), respectively.

4. The folding mechanism of a baby carriage seat pocket according to claim 1, characterized in that a fourth joint (400) for connecting a seat pocket guard rail is rotatably arranged on the third joint (300), a second limit groove (20) is arranged on the fourth joint (400), a second clamping member (21) is movably clamped in the second limit groove (20), a second protrusion (22) is arranged on the second clamping member (21), the second protrusion (22) is clamped in the second joint (200), a third protrusion (23) is arranged on the first joint (100), a second inclined plane (24) is arranged on the second protrusion (22), the second inclined plane (24) is located on a rotation path of the third protrusion (23), when the first rotating rod (1) rotates relative to the connecting rod (3), the third protrusion (23) pushes the second clamping member (21) away from the second limit groove (20) through the second inclined plane (24), such that the fourth joint (400) is rotatable relative to the second joint (200).

5. A stroller seat pocket folding mechanism according to claim 1, characterized in that said return member is a second return spring (25), and both ends of said second return spring (25) abut against said first stopper (6) and said third joint (300), respectively.

6. A pushchair seat pocket folding mechanism, according to claim 1, characterized in that said second stopper (8) is sector-shaped.

7. A pushchair pocket folding mechanism, according to claim 1, characterized in that said first joint (100) is provided with a fourth protrusion (26), said first stopper (6) being located on the rotation path of said fourth protrusion (26).