WO2024082685A1

WO2024082685A1 - Child safety seat capable of achieving linkage unlocking at any rotation angle

Info

Publication number: WO2024082685A1
Application number: PCT/CN2023/102621
Authority: WO
Inventors: 周小林; 张凯
Original assignee: 宁波宝贝第一母婴用品有限公司
Priority date: 2022-10-20
Filing date: 2023-06-27
Publication date: 2024-04-25

Abstract

Provided in the present invention is a child safety seat capable of achieving linkage unlocking at any rotation angle. The child safety seat comprises a base and a rotating disc, wherein a seat body is mounted on the rotating disc and is provided with a front locking rod and a rear locking rod; the rotating disc is movably connected to front clamping hooks and rear clamping hooks; a front hook driving assembly and a rear hook driving assembly are mounted on the rotating disc; the base is movably connected to an unlocking handle and a front and rear hook unlocking assembly; the front and rear hook unlocking assembly comprises an unlocking connecting base and an unlocking pull wire assembly; and when the seat body rotates to any angle and pulls the unlocking handle for unlocking, the unlocking handle drives the unlocking pull wire assembly to move so as to drive the front hook driving assembly and the rear hook driving assembly to act at the same time. In the present invention, the unlocking connecting base is in linkage connection with the front hook driving assembly and the rear hook driving assembly, and the unlocking pull wire assembly is connected to the unlocking handle, such that when the seat body rotates to any angle, only by pulling the unlocking handle, the front hook driving assembly and the rear hook driving assembly can be driven at the same time to act, so as to drive the front clamping hooks and the rear clamping hooks to perform unlocking at the same time.

Description

A child safety seat capable of being released in linkage with any rotation angle

Technical Field

The invention relates to the technical field of automobile safety products, and in particular to a child safety seat which can be released in linkage at any rotation angle.

Background technique

A child safety seat generally includes a base and a carrier or a safety seat plugged into the base. In order to facilitate the alternate installation of the carrier or the safety seat on the base or to facilitate the removal of the carrier or the safety seat, a release structure is provided between the base and the carrier or the safety seat. However, the existing release structure can only release the seat body when the seat body is rotated to a specified angle, and the existing release structure design and the structure for limiting the rotation of the rotating disk are relatively complex, with many parts and cumbersome operation.

Summary of the invention

In order to solve at least one aspect of the above problems, the present invention provides a child safety seat that can be linked and released at any rotation angle, comprising a base and a rotating disk that are rotatably connected to each other, a seat body being detachably mounted on the rotating disk, the seat body being provided with a front locking rod and a rear locking rod, the rotating disk being movably connected with a front hook for locking and cooperating with the front locking rod and a rear hook for locking and cooperating with the rear locking rod; a front hook driving assembly for driving the front hook to move and a rear hook driving assembly for driving the rear hook to move are installed on the rotating disk, a release handle and front and rear hook release assemblies are movably connected to the base, and the front and rear hook release assemblies are The lock assembly includes a lock release connecting seat and a lock release wire assembly that are rotatably connected to each other, the front hook drive assembly and the rear hook drive assembly are both linked to the lock release connecting seat, and the lock release wire assembly is linked to the lock release handle; when the chair body is rotated to any angle and the lock release handle is pulled to release the lock, the lock release handle drives the lock release wire assembly to move, and the lock release wire assembly drives the lock release connecting seat to move, so as to drive the front hook drive assembly and the rear hook drive assembly to act simultaneously, so that the front hook drive assembly drives the front hook and the rear hook drive assembly drives the rear hook to release the lock at the same time.

Optionally, the front hook drive assembly includes a front hook release drive member and a front hook lock limit rod that are interconnected, the lock release connecting seat is linked to the front hook release drive member, and when the front hook and the front lock rod are locked with each other, the front hook lock limit rod cooperates with the front hook to limit the movement of the front hook, and when the lock release handle is pulled so that the lock release wire assembly drives the lock release connecting seat to move, the front hook lock release drive member drives the front hook lock limit rod to move so that the front hook lock limit rod and the front hook are disengaged from each other, thereby realizing the front hook Release lock; the rear hook drive assembly includes a rear hook release drive member and a rear hook lock limit rod that are connected to each other, the release handle is linked to the rear hook release drive member, and when the rear hook and the rear lock rod are locked with each other, the rear hook lock limit rod cooperates with the rear hook to limit the movement of the rear hook, and when the release handle is pulled so that the release wire assembly drives the release connecting seat to move, the rear hook release drive member drives the rear hook lock limit rod to move so that the rear hook lock limit rod and the rear hook are disengaged from each other, thereby realizing the release of the rear hook.

Optionally, the front hook release drive member is provided with a second front oblique groove, the rear hook release drive member is provided with a second rear oblique groove, and the release connecting seat is connected with a front release connecting shaft slidably connected to the second front oblique groove and a rear release connecting shaft slidably connected to the second rear oblique groove; when the release handle is pulled forward so that the release wire assembly drives the release connecting seat to move downward, the release connecting seat drives the front release connecting shaft to move from one end of the second front oblique groove to the other end, so that the front hook locking limit rod is disengaged from the front hook, thereby realizing the release of the front hook, and the release connecting seat simultaneously drives the rear release connecting shaft to move from the second rear oblique groove to the other end, so that the rear hook locking limit rod is disengaged from the rear hook, thereby realizing the release of the rear hook.

Optionally, the front hook release drive member is provided with a first front oblique slot, the rear hook release drive member is provided with a first rear oblique slot, the rotating disk is provided with a front vertical slot corresponding to the position of the first front oblique slot and a rear vertical slot corresponding to the position of the first rear oblique slot; the front hook locking limit rod passes through the first front oblique slot and the front vertical slot and is slidably connected with the first front oblique slot and the front vertical slot, and when the release handle is pulled so that the release wire assembly drives the release connecting seat to move, the front hook release drive member drives the front hook locking limit rod from the front vertical slot to the front vertical slot. The locking member is engaged with the first and second locking means and is in a state of being moved from one end of the locking cam to the other end, so that the front hook locking limit rod is disengaged from the front hook, thereby releasing the lock of the front hook; the rear hook locking limit rod passes through the first rear oblique groove and the rear vertical groove and is slidably connected with the first rear oblique groove and the rear vertical groove; when the lock release handle is pulled so that the lock release wire assembly drives the lock release connecting seat to move, the rear hook lock release driving member drives the rear hook locking limit rod to move from one end of the rear vertical groove to the other end, so that the rear hook locking limit rod is disengaged from the rear hook, thereby releasing the lock of the rear hook.

Optionally, the front hook is provided with a front locking groove that cooperates with the front locking rod for locking and a front limiting portion that abuts against the front hook locking limit rod, and the rear hook is provided with a rear locking groove that cooperates with the rear locking rod for locking and a rear limiting portion that abuts against the rear hook locking limit rod, and the front hook and the rear hook are both hingedly connected to the rotating disk.

Optionally, it further comprises a front hook elastic member and a rear hook elastic member, wherein two ends of the front hook elastic member are respectively connected to the front hook and the rotating disk, and two ends of the rear hook elastic member are respectively connected to the rear hook and the rotating disk.

Optionally, the front and rear hook release assembly also includes a pull wire connector movably connected to the base, the release pull wire assembly includes a pull wire and a buckle connected to the release connection seat, the pull wire is provided with a first terminal and a second terminal, the pull wire connector is provided with a mounting hole connected to the first terminal, and the buckle is provided in a mounting groove connected to the second terminal. When the release handle is pulled forward, the release handle drives the pull wire connector to move, the pull wire connector drives the pull wire to move, the second terminal drives the buckle to move, and the buckle drives the release connection seat to move, so as to finally release the chair body.

Optionally, the rotating disk is equipped with a fixed seat, the fixed seat is provided with a movable hole slidably connected to the pull buckle and a movable groove slidably connected to the lock release connection seat, one end of the pull buckle is provided with a buckle, and the lock release connection seat is provided with a rotating groove which is rotatably connected to the buckle.

Optionally, a lock release and reset elastic member is installed in the movable groove, and two ends of the lock release and reset elastic member are respectively connected to the fixing seat and the lock release connecting seat.

Optionally, a front end of the lock release handle is provided with an abutment surface, and the pull wire connector is provided with an abutment platform, and when the lock release handle is pulled forward, the abutment surface abuts against the abutment platform.

Optionally, the base is movably connected with a gear positioning block locked with the rotating disk, the gear positioning block is provided with a first hinged portion, and the base is provided with a second hinged portion hingedly connected to the first hinged portion, and when the release handle moves backward to push the gear positioning block to rotate around the first hinged portion, the gear positioning block is disengaged from the rotating disk to release the rotating disk.

Optionally, the first hinged portion is a pin, and the second hinged portion is a hinged hole.

Optionally, a notch is provided on the peripheral wall of the pin shaft.

Optionally, the width of the gear positioning block in the up-down direction gradually increases from front to back.

Optionally, a gear reset elastic member is further included, and two ends of the gear reset elastic member are respectively connected to the gear positioning block and the base.

Optionally, the rotating disk is provided with a plurality of gear slots arranged at intervals, and one of the plurality of gear slots is plug-locked and connected to the gear positioning block.

Optionally, the base is provided with a sliding groove slidably connected to the lock release handle.

Optionally, a rotation positioning seat is provided on the base, and the rotating disk is provided with a mounting hole that cooperates with the rotation positioning seat.

Optionally, the base is further provided with a front hook and a rear hook, and both the front hook and the rear hook cooperate with the edge of the rotating disk.

Compared with the prior art, the child safety seat of the present invention can be released in linkage at any rotation angle. By providing a release connection seat and a release wire assembly that are rotatably connected to each other, the release connection seat is linked to the front hook drive assembly and the rear hook drive assembly, and the release wire assembly is connected to the release handle, so that when the chair body is rotated to any angle, only the release handle needs to be pulled to drive the front hook and the rear hook to be released at the same time. This structure of realizing the simultaneous linkage release of the front hook and the rear hook by pulling the release handle has a simple structure, few parts, low cost, and convenient operation.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a partial exploded view of a child safety seat according to an embodiment of the present invention;

FIG2 is a second partial exploded view of the child safety seat according to an embodiment of the present invention;

FIG3 is a cross-sectional view of the child safety seat according to the embodiment of the present invention when the seat body is locked;

FIG4 is an enlarged view of portion A in FIG3 ;

FIG5 is an enlarged view of portion B in FIG3 ;

FIG6 is an enlarged view of portion C in FIG3 ;

FIG7 is a cross-sectional view of the child safety seat according to the embodiment of the present invention when the seat body is unlocked;

FIG8 is an enlarged view of portion D in FIG7 ;

FIG9 is a cross-sectional view of the child safety seat according to the embodiment of the present invention when the seat body is rotated to any angle to release the lock;

FIG10 is a structural diagram of a chair body according to an embodiment of the present invention;

FIG11 is an exploded view of the child safety seat according to an embodiment of the present invention;

FIG12 is a structural diagram of a gear positioning block according to an embodiment of the present invention;

13 is a partial cross-sectional view of a child safety seat that can be released in linkage at any rotation angle according to an embodiment of the present invention;

FIG14 is an enlarged view of portion E in FIG13 ;

15 is a cross-sectional view of a child safety seat that can be released in linkage at any rotation angle according to an embodiment of the present invention in an initial position;

FIG16 is an enlarged view of portion F in FIG15 ;

17 is a partial cross-sectional view of the child safety seat capable of being released in linkage at any rotation angle according to the embodiment of the present invention when the release handle moves backward;

FIG18 is a partial cross-sectional view of a child safety seat capable of being released in linkage at any rotation angle according to an embodiment of the present invention during the rotation of the rotating disk;

19 is a partial cross-sectional view of a child safety seat that can be released in linkage at any rotation angle according to an embodiment of the present invention, in which the gear positioning block is re-locked with the rotating disk.

Description of reference numerals:

1. Chair body; 11. Front lock rod; 12. Rear lock rod; 2. Base; 21. Second hinged part; 22. Rotating positioning seat; 23. Front hook; 24. Rear hook; 25. Sliding slot; 3. Rotating plate; 31. Front vertical slot; 32. Rear vertical slot; 33. Fixed seat; 331. Active hole; 332. Active slot; 34. Shift slot; 4. Release handle; 41. Abutment surface; 5. Front hook; 51. Front lock slot; 52. Front limit part; 6. Rear hook; 61. Rear lock slot; 62. Rear limit part; 7. Front hook drive assembly; 71. Front hook release drive member; 711. First front oblique slot; 712. Second front oblique slot; 72. Front hook locking limit rod; 8. Rear hook drive assembly; 81. Rear hook release drive member moving part; 811, first rear oblique groove; 812, second rear oblique groove; 82, rear hook locking limit rod; 9, front and rear hook release assembly; 91, release connecting seat; 911, rotating groove; 92, release wire assembly; 921, pull buckle; 9211, mounting groove; 9212, buckle; 922, pull wire; 9221, first terminal; 9222, second terminal; 93, front release connecting shaft; 94, rear release connecting shaft; 95, release reset elastic member; 96, pull wire connector; 961, mounting hole; 962, abutment platform; 10, front hook elastic member; 20, rear hook elastic member; 30, gear positioning block; 301, first hinge; 3011, notch; 40, gear reset elastic member.

Implementation

In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be understood that the terms "upper", "lower" and the like indicate positions or location relationships based on the positions or location relationships when the product is normally used.

The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. A coordinate system XYZ is provided in the drawings of the embodiments of the present invention, wherein the positive direction of the X-axis represents the left, the reverse direction of the X-axis represents the right, the positive direction of the Y-axis represents the front, the reverse direction of the Y-axis represents the back, the positive direction of the Z-axis represents the top, and the reverse direction of the Z-axis represents the bottom.

The embodiment of the present invention provides a child safety seat that can be released in linkage at any rotation angle, as shown in Figures 1 to 11, comprising a base 2 and a rotating disk 3 that are rotatably connected to each other, a chair body 1 being detachably mounted on the rotating disk 3, the chair body 1 being provided with a front locking rod 11 and a rear locking rod 12, the rotating disk 3 being movably connected with a front hook 5 for locking with the front locking rod 11 and a rear hook 6 for locking with the rear locking rod 12; the rotating disk 3 being provided with a front hook driving assembly 7 for driving the front hook 5 to move and a rear hook driving assembly 8 for driving the rear hook 6 to move, the base 2 being movably connected with a release handle 4 and front and rear hook release assemblies 9, the front and rear hook release assemblies Component 9 includes a release connection seat 91 and a release wire assembly 92 that are rotatably connected to each other. The front hook drive assembly 7 and the rear hook drive assembly 8 are both linked to the release connection seat 91, and the release wire assembly 92 is linked to the release handle 4. When the chair body 1 is rotated to any angle and the release handle 4 is pulled to release the lock, the release handle 4 drives the release wire assembly 92 to move, and the release wire assembly 92 drives the release connection seat 91 to move, so as to drive the front hook drive assembly 7 and the rear hook drive assembly 8 to act at the same time, so that the front hook drive assembly 7 drives the front hook 5 and the rear hook drive assembly 8 drives the rear hook 6 to release the lock at the same time.

Among them, the front hook driving component 7 drives the front hook 5 to move, which means that the front hook driving component 7 drives the front hook 5 and the front locking rod 11 to lock or release; the rear hook driving component 8 drives the rear hook 6 to move, which means that the rear hook driving component 8 drives the rear hook 6 and the rear locking rod 12 to lock or release; the base 2 is used to install the rotating disk 3 and the unlocking handle 4, and the base 2 is also used to connect with the car seat; the chair body 1 is a safety seat or a basket, and the front locking rod 11 and the rear locking rod 12 are respectively arranged at the front and rear ends of the bottom of the chair body 1; the way in which the front hook 5 and the rotating disk 3 are movably connected to each other is preferably a hinged connection, and the front hook 5 and the rotating disk 3 are hingedly connected by the structural cooperation of the shaft and the shaft hole, and the front hook 5 is rotated to achieve locking or releasing with the front locking rod 11; similarly, the rear hook 6 and the rotating disk 3 are movably connected to each other The dynamic connection method is preferably an articulated connection, and the rear hook 6 and the rotating disk 3 are also articulatedly connected through the structural cooperation of the shaft and the shaft hole, and the locking or releasing of the rear locking rod 12 is achieved through the rotation of the rear hook 6; in addition, the mutual active connection method of the front hook 5 and the rotating disk 3 and the mutual active connection method of the rear hook 6 and the rotating disk 3 can also be a sliding connection, and the locking or releasing of the front locking rod 11 is achieved through the translational action of the front hook 5, and the locking or releasing of the rear locking rod 12 is achieved through the translational action of the rear hook 6; the release connecting seat 91 and the release wire assembly 92 are rotationally connected to each other, so that when the chair body 1 rotates to any angle, that is, when the rotating disk 3 rotates to any angle relative to the base 2, the rotating disk 3 can drive the release connecting seat 91 to rotate synchronously relative to the base 2.

When the chair body 1 is locked, the front hook 5 is locked with the front locking rod 11, and the rear hook 6 is locked with the rear locking rod 12, so that infants and young children can use the chair body 1; when the chair body 1 is rotated to any angle and needs to be unlocked, the user first applies force to the unlocking handle 4 to pull the unlocking handle 4 forward, and the unlocking handle 4 drives the unlocking wire assembly 92 to move synchronously, and the unlocking wire assembly 92 drives the unlocking connecting seat 91 to move synchronously, and the unlocking connecting seat 91 drives the front hook driving assembly 7 and the rear hook driving assembly 8 to act simultaneously, and the front hook driving assembly 7 drives the front hook 5 to act so that the front hook 5 and the front locking rod 11 are disengaged from each other to achieve unlocking, and at the same time, the rear hook driving assembly 8 drives the rear hook 6 to act so that the rear hook 6 and the rear locking rod 12 are disengaged from each other to achieve unlocking, thereby completing the unlocking of the chair body 1.

The child safety seat of the present embodiment can be released in linkage at any rotation angle, by providing a release connection seat 91 and a release wire assembly 92 which are rotatably connected to each other, the release connection seat 91 is linked to the front hook drive assembly 7 and the rear hook drive assembly 8, and the release wire assembly 92 is connected to the release handle 4, so that when the chair body 1 is rotated to any angle, only by pulling the release handle 4 can the front hook drive assembly 7 and the rear hook drive assembly 8 be driven to move at the same time, so as to drive the front hook 5 and the rear hook 6 to release the lock at the same time. This structure in which the front hook 5 and the rear hook 6 are released in linkage at the same time by pulling the release handle 4 has a simple structure, few parts, low cost and convenient operation.

Optionally, in combination with Figures 1 to 10, the front hook drive assembly 7 includes a front hook release drive member 71 and a front hook lock limit rod 72 that are connected to each other, the lock release connecting seat 91 is linked to the front hook release drive member 71, and when the front hook 5 and the front lock rod 11 are locked with each other, the front hook lock limit rod 72 cooperates with the front hook 5 to limit the movement of the front hook 5, and when the lock release handle 4 is pulled so that the lock release wire assembly 92 drives the lock release connecting seat 91 to move, the front hook release drive member 71 drives the front hook lock limit rod 72 to move so that the front hook lock limit rod 72 and the front hook 5 are disengaged from each other, thereby achieving The front hook 5 is released; the rear hook drive assembly 8 includes a rear hook release drive member 81 and a rear hook locking limit rod 82 that are connected to each other, the release handle 4 is linked to the rear hook release drive member 81, and when the rear hook 6 and the rear locking rod 12 are locked with each other, the rear hook locking limit rod 82 cooperates with the rear hook 6 to limit the movement of the rear hook 6, and when the release handle 4 is pulled so that the release wire assembly 92 drives the release connecting seat 91 to move, the rear hook release drive member 81 drives the rear hook locking limit rod 82 to move so that the rear hook locking limit rod 82 and the rear hook 6 are disengaged from each other, thereby releasing the rear hook 6.

Among them, the rotating disk 3 is provided with a sliding groove for the front hook release driving member 71 and the rear hook release driving member 81 to slide, and is fixed by a fastener; when the chair body 1 is locked, the front hook locking limit rod 72 cooperates with the front hook 5 to limit the movement of the front hook 5, so that the front hook 5 is locked with the front locking rod 11, and the rear hook locking limit rod 82 cooperates with the rear hook 6 to limit the movement of the rear hook 6, so that the rear hook 6 is locked with the rear locking rod 12; when it is necessary to unlock the chair body 1, the user first applies force to the release handle 4 to pull the release handle 4 forward, and the release handle 4 drives The lock release wire assembly 92 moves, and the lock release wire assembly 92 drives the lock release connecting seat 91 to move, and the lock release connecting seat 91 drives the front hook lock release driving member 71 and the rear hook lock release driving member 81 to act simultaneously, and the front hook lock release driving member 71 drives the front hook lock limit rod 72 to move so that the front hook lock limit rod 72 and the front hook 5 are disengaged from each other, and the rear hook lock release driving member 81 drives the rear hook lock limit rod 82 to move so that the rear hook lock limit rod 82 and the rear hook 6 are disengaged from each other, thereby realizing the simultaneous release of the front hook 5 and the rear hook 6, and completing the unlocking of the chair body 1.

In this embodiment, a front hook release drive member 71 and a front hook locking limit rod 72 which are interconnected and can move synchronously with the release handle 4, and a rear hook release drive member 81 and a rear hook locking limit rod 82 which are interconnected and can move synchronously with the release handle 4 are provided. The front hook locking limit rod 72 is engaged and disengaged with the front hook 5 to achieve locking and unlocking of the front hook 5 and the front locking rod 11 is engaged and disengaged with the rear hook locking limit rod 82 to achieve locking and unlocking of the rear hook 6 and the rear locking rod 12. The structure is simple and reliable and the operation is convenient.

Optionally, in combination with Figures 1 to 10, the front hook release drive member 71 is provided with a second front oblique groove 712, the rear hook release drive member 81 is provided with a second rear oblique groove 812, and the release connecting seat 91 is connected with a front release connecting shaft 93 slidably connected to the second front oblique groove 712 and a rear release connecting shaft 94 slidably connected to the second rear oblique groove 812; when the release handle 4 is pulled forward so that the release wire assembly 92 drives the release connecting seat 91 to move downward, the release connecting seat 91 drives the front release connecting shaft 93 to move from one end of the second front oblique groove 712 to the other end, so that the front hook locking limit rod 72 is disengaged from the front hook 5, and the front hook 5 is released, and the release connecting seat 91 simultaneously drives the rear release connecting shaft 94 to move from the second rear oblique groove 812 to the other end, so that the rear hook locking limit rod 82 is disengaged from the rear hook 6, and the rear hook 6 is released.

Among them, the inclination direction of the second front inclined slot 712 is low at the front and high at the rear, and the inclination direction of the second rear inclined slot 812 is high at the front and low at the rear; in this embodiment, the second front inclined slot 712 is slidably connected to the front release connecting shaft 93 and the second rear inclined slot 812 is slidably connected to the rear release connecting shaft 94, so that when the release handle 4 is pulled forward to make the release wire assembly 92 drive the release connecting seat 91 to move downward, the front hook release driving member 71 and the rear hook release driving member 81 can approach each other to respectively unlock the front hook 5 and the rear hook 6, with a simple structure and convenient operation.

When the chair body 1 needs to be unlocked, the user first applies force to the unlock handle 4 to pull the unlock handle 4 forward, and the unlock handle 4 drives the unlock wire assembly 92 to move, and the unlock wire assembly 92 drives the unlock connecting seat 91 to move downward, so that the front unlock connecting shaft 93 moves from the top to the bottom of the second front inclined groove 712, thereby driving the front hook unlock driving member 71 to move backward, and the front hook 5 is unlocked, and at the same time, the rear unlock connecting shaft 94 moves from the top to the bottom of the second rear inclined groove 812, thereby driving the rear hook unlock driving member 81 forward, and the rear hook 6 is released, so that the front hook 5 and the rear hook 6 are finally released at the same time, and the chair body 1 is unlocked.

Optionally, in combination with Figures 1 to 10, the front hook release drive 71 is provided with a first front oblique groove 711, the rear hook release drive 81 is provided with a first rear oblique groove 811, the rotating disk 3 is provided with a front vertical groove 31 corresponding to the position of the first front oblique groove 711 and a rear vertical groove 32 corresponding to the position of the first rear oblique groove 811; the front hook locking limit rod 72 passes through the first front oblique groove 711 and the front vertical groove 31 and is slidably connected to the first front oblique groove 711 and the front vertical groove 31, when the release handle 4 is pulled so that the release wire assembly 92 drives the release connecting seat 91 to move, the front hook release drive 71 drives the front hook locking limit rod 72 to move. The rod 72 moves from one end of the front vertical slot 31 to the other end, so that the front hook locking limit rod 72 is disengaged from the front hook 5, thereby releasing the front hook 5; the rear hook locking limit rod 82 passes through the first rear oblique slot 811 and the rear vertical slot 32 and is slidably connected to the first rear oblique slot 811 and the rear vertical slot 32. When the unlocking handle 4 is pulled so that the unlocking wire assembly 92 drives the unlocking connecting seat 91 to move, the rear hook unlocking driving member 81 drives the rear hook locking limit rod 82 to move from one end of the rear vertical slot 32 to the other end, so that the rear hook locking limit rod 82 is disengaged from the rear hook 6, thereby releasing the rear hook 6.

Among them, the inclination direction of the first front oblique groove 711 is low at the front and high at the rear, and the inclination direction of the first rear oblique groove 811 is high at the front and low at the rear. The length directions of the front vertical groove 31 and the rear vertical groove 32 are perpendicular to the rotation plane of the rotating disk 3; the first front oblique groove 711, the first rear oblique groove 811, the front vertical groove 31, and the rear vertical groove 32 all have a certain length, so that the front hook locking limit rod 72 can slide in the first front oblique groove 711 and the front vertical groove 31, and the rear hook locking limit rod 82 can slide in the first rear oblique groove 811 and the rear vertical groove 32; the width of the first front oblique groove 711 and the front vertical groove 31 is close to the outer diameter of the front hook locking limit rod 72, and the width of the first rear oblique groove 811 and the rear vertical groove 32 is close to the outer diameter of the rear hook locking limit rod 82, so as to minimize the movement of the structure.

When the front hook 5 and the front locking rod 11 are locked with each other, the front hook locking limit rod 72 cooperates with the front hook 5 to limit the movement of the front hook 5. At this time, the front hook locking limit rod 72 is located at the top of the first front oblique groove 711 and the top of the front vertical groove 31. When the lock release handle 4 is pulled to drive the lock release wire assembly 92 to move, the lock release wire assembly 92 drives the lock release connecting seat 91 to move, and the lock release connecting seat 91 drives the front hook lock release driving member 71 to move backward, and the front hook locking limit rod 72 moves from the top to the bottom of the first front oblique groove 711. At the same time, under the action of the first front oblique groove 711, the front hook locking limit rod 72 also moves from the top to the bottom of the front vertical groove 31, so that the front hook locking limit rod 72 moves downward and disengages from the front hook 5, thereby releasing the lock of the front hook 5. When the rear hook 6 and the rear locking rod 12 are locked with each other, the rear hook locking limit rod 82 cooperates with the rear hook 6 to limit the movement of the rear hook 6. At this time, the rear hook locking limit rod 82 is located at the top end of the first rear oblique groove 811 and the top end of the rear vertical groove 32. When the release handle 4 is pulled to drive the release wire assembly 92 to move, the release wire assembly 92 drives the release connecting seat 91 to move, and the release connecting seat 91 drives the rear hook release driving member 81 to move forward, and the rear hook locking limit rod 82 moves from the top end to the bottom end of the first rear oblique groove 811, and under the action force of the first rear oblique groove 811, the rear hook locking limit rod 82 also moves from the top end to the bottom end of the rear vertical groove 32, so that the rear hook locking limit rod 82 moves downward and disengages from the rear hook 6, thereby releasing the rear hook 6.

Optionally, in combination with Figures 1 to 9, the front and rear hook release assembly 9 also includes a pull wire connector 96 movably connected to the base 2, the release pull wire assembly 92 includes a pull wire 922 and a buckle 921 connected to the release connection seat 91, the pull wire 922 is provided with a first terminal 9221 and a second terminal 9222, the pull wire connector 96 is provided with a mounting hole 961 connected to the first terminal 9221, the buckle 921 is provided in a mounting groove 9211 connected to the second terminal 9222, when the release handle 4 is pulled forward, the release handle 4 drives the pull wire connector 96 to move, the pull wire connector 96 drives the pull wire 922 to move, the second terminal 9222 drives the buckle 921 to move, and the buckle 921 drives the release connection seat 91 to move, so as to finally release the chair body 1.

Among them, the pull wire 922 is flexible and can change its shape arbitrarily, so that the pull wire 922 can follow the change of shape during the rotation of the chair body 1, thereby ensuring that the lock release pull wire assembly 92 can be used normally when the chair body 1 is rotated to any position; the pull wire 922 is not elastic, so as to ensure that the lock release handle 4 can drive the lock release connecting seat 91 to move synchronously; the pull wire connector 96 has an installation indication color, and the installation indication color is in the open state when the lock is released; there is a sliding groove on the base 2 for the lock release handle 4 to slide back and forth, and it is fixed by fasteners.

Optionally, in combination with Figures 1 to 9, the rotating disk 3 is installed with a fixed seat 33, the fixed seat 33 is provided with a movable hole 331 slidably connected to the pull buckle 921 and a movable groove 332 slidably connected to the lock release connection seat 91, one end of the pull buckle 921 is provided with a buckle 9212, and the lock release connection seat 91 is provided with a rotating groove 911 which is rotatably connected to the buckle 9212.

Among them, when the pull wire 922 is pulled, the buckle 921 can move up and down in the movable hole 331, and the lock release connecting seat 91 can also move up and down in the movable groove 332; the buckle 9212 is connected with the rotating groove 911, so that the buckle 921 can drive the lock release connecting seat 91 to move to release the lock, and when the chair body 1 rotates, it is ensured that the buckle 921 can rotate relative to the lock release connecting seat 91, so that the chair body 1 can be released at any angle.

Optionally, as shown in FIGS. 1 to 9 , a release and reset elastic member 95 is installed in the movable groove 332 , and two ends of the release and reset elastic member 95 are respectively connected to the fixing seat 33 and the release and connection seat 91 .

Among them, the lock release reset elastic member 95 is a compression spring, and the two ends of the lock release reset elastic member 95 are respectively in contact with the fixed seat 33 and the lock release connecting seat 91. When the chair body 1 needs to be locked on the base 2, the lock release handle 4 is released by hand, the front lock rod 11 is aligned with the front hook 5, and the rear lock rod 12 is aligned with the rear hook 6. Under the gravity of the chair body 1, the front hook 5 and the rear hook 6 will rotate and reset to hook the front lock rod 11 and the rear lock rod 12 respectively. At this time, under the force of the lock release reset elastic member 95, the lock release connecting seat 91 moves up and resets, thereby pushing the front hook lock release driving member 71 forward and the rear hook lock release driving member 81 backward to achieve locking. At the same time, the lock release connecting seat 91 also drives the pull wire 922 to move, and the pull wire 922 drives the pull wire connecting member 96 to reset to the initial position. At this time, the installation indicator color shows the color number of the installed position, and the lock release handle 4 is also reset.

Optionally, in combination with FIGS. 1 to 9 , the front end of the release handle 4 is provided with an abutment surface 41 , and the pull wire connector 96 is provided with an abutment platform 962 , and when the release handle 4 is pulled forward, the abutment surface 41 abuts against the abutment platform 962 .

Among them, the upper surface of the unlocking handle 4 is provided with a groove for the user's fingers to be placed so that the user can smoothly pull the pull wire connector 96 forward; when the unlocking handle 4 is pulled forward, the abutment platform 962 contacts the abutment surface 41, and under the thrust of the abutment surface 41, the pull wire connector 96 moves forward to complete the unlocking of the disassembly function of the chair body 1.

Optionally, in combination with Figures 1 to 9, the front hook 5 is provided with a front locking groove 51 that is locked with the front locking rod 11 and a front limiting portion 52 that abuts against the front hook locking limit rod 72, and the rear hook 6 is provided with a rear locking groove 61 that is locked with the rear locking rod 12 and a rear limiting portion 62 that abuts against the rear hook locking limit rod 82, and the front hook 5 and the rear hook 6 are both hingedly connected to the rotating disk 3.

There are two front hooks 5 and two rear hooks 6, the two front hooks 5 are spaced apart and are locked together with the front locking rod 11, and the two rear hooks 6 are spaced apart and are locked together with the front locking rod 11, so that the chair body 1 can be firmly locked.

When the chair body 1 is locked, the front hook locking limit rod 72 abuts against the front limiting portion 52 to limit the front locking groove 51 from rotating forward, so that the front hook 5 is locked with the front locking rod 11, and the rear hook locking limit rod 82 abuts against the rear limiting portion 62 to limit the rear locking groove 61 from rotating backward, so that the rear hook 6 is locked with the rear locking rod 12; when the chair body 1 needs to be unlocked, the user first applies force to the unlocking handle 4 to pull the unlocking handle 4 forward to drive the unlocking wire assembly 92 to move, the unlocking wire assembly 92 drives the unlocking connecting seat 91 to move, and the unlocking connecting seat 91 drives the front hook to release the drive The front hook release driving member 71 and the rear hook lock release driving member 81 act simultaneously, and the front hook lock release driving member 71 synchronously drives the front hook lock limit rod 72 to move so that the front hook lock limit rod 72 and the front limit part 52 are disengaged from each other, so that the front lock slot 51 can rotate forward and disengage from the front lock rod 11, and the rear hook lock release driving member 81 drives the rear hook lock limit rod 82 to move so that the rear hook lock limit rod 82 and the rear limit part 62 are disengaged from each other, so that the rear lock slot 61 can rotate backward and disengage from the rear lock rod 12, thereby realizing the simultaneous release of the front hook 5 and the rear hook 6, and completing the unlocking of the chair body 1.

Optionally, in combination with Figures 1 to 9, it also includes a front hook elastic member 10 and a rear hook elastic member 20, the two ends of the front hook elastic member 10 are respectively connected to the front hook 5 and the rotating disk 3, and the two ends of the rear hook elastic member 20 are respectively connected to the rear hook 6 and the rotating disk 3.

Among them, the front hook elastic member 10 and the rear hook elastic member 20 are both tension springs, so that the front hook 5 can automatically rotate to release the lock with the front lock rod 11 and the rear hook 6 can automatically rotate to release the lock with the rear lock rod 12, and the operation is more portable; when the lock release handle 4 is pulled forward to release the lock, the front hook locking limit rod 72 is disengaged from the front limiting portion 52, and the front hook 5 is allowed to rotate forward under the force of the front hook elastic member 10 to achieve unlocking. At this time, when the chair body 1 is moved upward, the front lock groove 51 can be disengaged from the front lock rod 11 to disassemble the lower chair body 1; when the lock release handle 4 is pulled forward to release the lock, the rear hook locking limit rod 82 is disengaged from the rear limiting portion 62, and the rear hook 6 is allowed to rotate backward under the force of the rear hook elastic member 20 to achieve unlocking. At this time, when the chair body 1 is moved upward, the rear lock groove 61 can be disengaged from the rear lock rod 12 to disassemble the lower chair body 1.

Optionally, in combination with Figures 11 to 19, it includes a base 2 and a rotating disk 3 that are rotatably connected to each other, the base 2 is movably connected with a release handle 4 and a gear positioning block 30 locked with the rotating disk 3, the gear positioning block 30 is provided with a first hinge portion 301, and the base 2 is provided with a second hinge portion 21 hingedly connected to the first hinge portion 301. When the release handle 4 moves backward to push the gear positioning block 30 to rotate around the first hinge portion 301, the gear positioning block 30 is disengaged from the rotating disk 3 to release the rotating disk 3.

Among them, the first hinge part 301 can be an axis, and the second hinge part 21 is an axis hole. In addition, the first hinge part 301 can also be an axis hole, and the second hinge part 21 is an axis. The hinged connection between the gear positioning block 30 and the base 2 is realized by the cooperation of the axis and the axis hole; the first hinge part 301 is arranged at one end of the gear positioning block 30, and the other end of the gear positioning block 30 is locked with the rotating disk 3 when it is not subjected to the thrust of the unlocking handle 4. When it is subjected to the thrust of the unlocking handle 4, the other end of the gear positioning block 30 is disengaged from the rotating disk 3, so that the rotating disk 3 is released, that is, the function of the chair body rotation is unlocked.

The child safety seat in this embodiment can be released in linkage at any rotation angle, and a gear positioning block 30 is provided which is hingedly connected to the base 2, and is locked with the rotating disk 3 through the gear positioning block 30. When the release handle 4 moves backward and pushes the gear positioning block 30 to rotate, the gear positioning block 30 will be disengaged from the rotating disk 3 to unlock the rotating disk 3. The structure is simple, the number of components is small, and the operation is convenient.

Optionally, in combination with Figures 1 to 14, the first hinged portion 301 is a pin, and the second hinged portion 21 is a hinge hole. The pin is arranged at the front end of the gear positioning block 30, and the outer diameter of the pin is similar to the inner diameter of the hinge hole. The pin can rotate freely in the hinge hole, and the gear positioning block 30 is hingedly connected to the base 2 by the cooperation of the pin and the hinge hole. The structure is simple and reliable, and the assembly is convenient.

Optionally, as shown in FIG12 , the peripheral wall of the pin shaft is provided with notches 3011. There are four notches 3011, which are symmetrically and evenly arranged. Providing the notches 3011 can reduce the contact area between the pin shaft and the hinge hole, and can reduce the noise generated when the gear positioning block 30 rotates relative to the base 2.

Optionally, as shown in Figures 11, 12, 14 and 15, the width of the gear positioning block 30 in the vertical direction gradually increases from front to back. The unlocking handle 4 moves backward and acts on the upper surface of the gear positioning block 30, and the width of the gear positioning block 30 in the vertical direction is designed to be larger at the rear end to ensure that the unlocking handle 4 can smoothly push the gear positioning block 30 to rotate around the pin shaft, thereby increasing the rotation stroke.

Optionally, in combination with FIGS. 11 and 15 to 19, a gear reset elastic member 40 is further included, and both ends of the gear reset elastic member 40 are respectively connected to the gear positioning block 30 and the base 2. The gear reset elastic member 40 is a compression spring, and the upper end of the gear reset elastic member 40 abuts against the lower surface of the rear end of the gear positioning block 30, so that when there is no force from the release handle 4, the rear end of the gear positioning block 30 can be firmly locked with the rotating disk 3 under the elastic force of the gear reset elastic member 40.

Optionally, as shown in FIG. 11 and FIG. 15 to FIG. 19, the rotating disk 3 is provided with a plurality of gear slots 34 arranged at intervals, and one of the plurality of gear slots 34 is plugged and locked with the gear positioning block 30. The plurality of gear slots 34 arranged at intervals are provided so that the chair body can be rotated and locked in a plurality of positions, and the locking is achieved by plugging and connecting the gear slots 34 with the gear positioning block 30, which has a simple structure, and when the gear positioning block 30 is pushed by the unlocking handle 4, it can be smoothly disengaged from the gear slot 34, and the structure is reliable.

Optionally, in combination with FIGS. 11 , 14 and 15 , the base 2 is provided with a sliding groove 25 slidably connected to the release handle 4 .

Among them, the sliding groove 25 cooperates with the unlocking handle 4 to realize the mutual sliding connection between the unlocking handle 4 and the base 2. When the gear positioning block 30 is locked with the rotating disk 3, it is in an inclined state with the front lower and the back higher. The unlocking handle 4 is provided with a pushing rod. When the unlocking handle 4 moves backward in the sliding groove 25, the rear end of the pushing rod will contact and slide with the upper surface of the gear positioning block 30, forcing the rear end of the gear positioning block 30 to rotate around the pin shaft under force, so as to realize the mutual separation of the gear positioning block 30 and the rotating disk 3; the gear positioning block 30 is connected to the base 2 by a fastener to limit the position of the gear positioning block 30 relative to the base 2 in the up and down direction, and prevent the gear positioning block 30 from shifting relative to the base 2 in the up and down direction.

Optionally, as shown in FIG11 , the base 2 is provided with a rotation positioning seat 22, and the rotating disk 3 is provided with a mounting hole that matches the rotation positioning seat 22. A mounting hole is provided in the middle of the rotating disk 3, and the inner diameter of the mounting hole is similar to the outer diameter of the rotation positioning seat 22. When the gear positioning block 30 and the rotating disk 3 are disengaged from each other, the rotation positioning seat 22 can rotate freely in the mounting hole, thereby realizing the function of the chair body being rotatable.

Optionally, as shown in FIGS. 11 and 13 , the base 2 is further provided with a front hook 23 and a rear hook 24 , and both the front hook 23 and the rear hook 24 cooperate with the edge of the rotating disk 3 .

The front hook 23 and the rear hook 24 act on the front and rear edges of the rotating disk 3 respectively to fix the relative positions of the rotating disk 3 and the base 2 , and also ensure that the rotating disk 3 rotates smoothly around the rotating positioning seat 22 relative to the base 2 .

The rotating disk 3 is provided with a plurality of gear slots 34, the gear positioning block 30 is placed between the base 2 and the rotating disk 3, and a gear reset elastic member 40 is provided below the gear positioning block 30. When the rotating disk 3 rotates to the set position, the gear reset elastic member 40 pushes the gear positioning block 30 to automatically reset and insert into the gear slot 34 preset on the rotating disk 3, thereby achieving the effect of rotation limit locking; when the chair body needs to be rotated, it is only necessary to push the unlocking handle 4 backward, the unlocking handle 4 acts on the gear positioning block 30 and slides on the upper surface of the gear positioning block 30, the gear positioning block 30 will rotate downward around the base 2, and the gear positioning block 30 will automatically disengage from the gear slot 34, thereby achieving the unlocking rotation function, and when the rotating disk 3 rotates to another set position again, the gear reset elastic member 40 pushes the gear positioning block 30 to automatically reset and insert into another gear slot 34 preset on the rotating disk 3, thereby achieving the effect of rotation limit locking again.

Although the disclosure is disclosed as above, the protection scope of the disclosure is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the protection scope of the present invention.

Claims

A child safety seat capable of being released in linkage at any rotation angle, characterized in that it comprises a base (2) and a rotating disk (3) which are rotatably connected to each other, a seat body (1) being detachably mounted on the rotating disk (3), the seat body (1) being provided with a front locking rod (11) and a rear locking rod (12), the rotating disk (3) being movably connected with a front hook (5) for locking with the front locking rod (11) and a rear hook (6) for locking with the rear locking rod (12); the rotating disk (3) being provided with a front hook driving assembly (7) for driving the front hook (5) to move and a rear hook driving assembly (8) for driving the rear hook (6) to move, the base (2) being movably connected with a release handle (4) and front and rear hook release assemblies (9), the front and rear hook release assemblies (9) comprising The lock releasing connecting seat (91) and the lock releasing wire assembly (92) are mutually rotatably connected, the front hook driving assembly (7) and the rear hook driving assembly (8) are both linked to the lock releasing connecting seat (91), and the lock releasing wire assembly (92) is linked to the lock releasing handle (4); when the chair body (1) is rotated to any angle and the lock releasing handle (4) is pulled to release the lock, the lock releasing handle (4) drives the lock releasing wire assembly (92) to move, and the lock releasing wire assembly (92) drives the lock releasing connecting seat (91) to move, so as to drive the front hook driving assembly (7) and the rear hook driving assembly (8) to act simultaneously, so that the front hook driving assembly (7) drives the front hook (5) and the rear hook driving assembly (8) drives the rear hook (6) to release the lock simultaneously.
The child safety seat capable of linkage release at any rotation angle according to claim 1 is characterized in that the front hook drive assembly (7) comprises a front hook release drive member (71) and a front hook lock limit rod (72) which are connected to each other, the lock release connecting seat (91) is linked to the front hook release drive member (71), when the front hook (5) and the front lock rod (11) are locked with each other, the front hook lock limit rod (72) cooperates with the front hook (5) to limit the movement of the front hook (5), when the lock release handle (4) is pulled so that the lock release wire assembly (92) drives the lock release connecting seat (91) to move, the front hook release drive member (71) drives the front hook lock limit rod (72) to move so that the front hook lock limit rod (72) and the front hook (5) are locked with each other. ) are disengaged from each other, thereby realizing the front hook (5) being unlocked; the rear hook driving assembly (8) comprises a rear hook unlocking driving member (81) and a rear hook locking limit rod (82) which are connected to each other; the unlocking handle (4) is linked to the rear hook unlocking driving member (81); when the rear hook (6) and the rear locking rod (12) are locked with each other, the rear hook locking limit rod (82) cooperates with the rear hook (6) to limit the movement of the rear hook (6); when the unlocking handle (4) is pulled so that the unlocking wire assembly (92) drives the unlocking connecting seat (91) to move, the rear hook unlocking driving member (81) drives the rear hook locking limit rod (82) to move so that the rear hook locking limit rod (82) and the rear hook (6) are disengaged from each other, thereby realizing the unlocking of the rear hook (6).
The child safety seat capable of linkage release at any rotation angle according to claim 2 is characterized in that the front hook release drive (71) is provided with a second front oblique groove (712), the rear hook release drive (81) is provided with a second rear oblique groove (812), the release connection seat (91) is connected with a front release connection shaft (93) slidably connected to the second front oblique groove (712) and a rear release connection shaft (94) slidably connected to the second rear oblique groove (812); when the release handle (4) is pulled forward so that the release wire assembly (92) drives the release When the lock connecting seat (91) moves downward, the lock releasing connecting seat (91) drives the front lock releasing connecting shaft (93) to move from one end of the second front inclined slot (712) to the other end, so that the front hook locking limit rod (72) and the front hook (5) are disengaged from each other, thereby releasing the front hook (5), and the lock releasing connecting seat (91) simultaneously drives the rear lock releasing connecting shaft (94) to move from the second rear inclined slot (812) to the other end, so that the rear hook locking limit rod (82) and the rear hook (6) are disengaged from each other, thereby releasing the rear hook (6).
The child safety seat capable of linkage release at any rotation angle according to claim 2 is characterized in that the front hook release drive member (71) is provided with a first front oblique groove (711), the rear hook release drive member (81) is provided with a first rear oblique groove (811), the rotating disk (3) is provided with a front vertical groove (31) corresponding to the position of the first front oblique groove (711) and a rear vertical groove (32) corresponding to the position of the first rear oblique groove (811); the front hook locking limit rod (72) passes through the first front oblique groove (711) and the front vertical groove (31) and is slidably connected with the first front oblique groove (711) and the front vertical groove (31), and when the release handle (4) is pulled so that the release wire assembly (92) drives the release connecting seat (91) to move, the front hook release drive member (71) is driven by the lock release wire assembly (92). The front hook locking limit rod (72) is moved from one end of the front vertical slot (31) to the other end, so that the front hook locking limit rod (72) and the front hook (5) are disengaged from each other, and the front hook (5) is released; the rear hook locking limit rod (82) passes through the first rear oblique slot (811) and the rear vertical slot (32) and is slidably connected with the first rear oblique slot (811) and the rear vertical slot (32); when the lock release handle (4) is pulled so that the lock release wire assembly (92) drives the lock release connecting seat (91) to move, the rear hook lock release driving member (81) drives the rear hook locking limit rod (82) to move from one end of the rear vertical slot (32) to the other end, so that the rear hook locking limit rod (82) and the rear hook (6) are disengaged from each other, and the rear hook (6) is released.
The child safety seat that can be released in linkage at any rotation angle according to claim 2 is characterized in that the front hook (5) is provided with a front locking groove (51) that is locked with the front locking rod (11) and a front limiting portion (52) that abuts against the front hook locking limit rod (72), and the rear hook (6) is provided with a rear locking groove (61) that is locked with the rear locking rod (12) and a rear limiting portion (62) that abuts against the rear hook locking limit rod (82), and the front hook (5) and the rear hook (6) are both hingedly connected to the rotating disk (3).
The child safety seat capable of being released in linkage at any rotation angle according to claim 5 is characterized in that it also comprises a front hook elastic member (10) and a rear hook elastic member (20), wherein the two ends of the front hook elastic member (10) are respectively connected to the front hook (5) and the rotating disk (3), and the two ends of the rear hook elastic member (20) are respectively connected to the rear hook (6) and the rotating disk (3).
The child safety seat capable of being released in linkage at any rotation angle according to claim 1 is characterized in that the front and rear hook release assembly (9) further comprises a pull wire connector (96) movably connected to the base (2), the release pull wire assembly (92) comprises a pull wire (922) and a buckle (921) connected to the release connection seat (91), the pull wire (922) is provided with a first terminal (9221) and a second terminal (9222), the pull wire connector (96) is provided with a first terminal (9221) and a second terminal (9222) connected to the first terminal (9221). The buckle (921) is arranged on a mounting groove (9211) connected to the second terminal (9222); when the unlocking handle (4) is pulled forward, the unlocking handle (4) drives the pull wire connector (96) to move, the pull wire connector (96) drives the pull wire (922) to move, the second terminal (9222) drives the buckle (921) to move, and the buckle (921) drives the unlocking connection seat (91) to move, so as to finally unlock the chair body (1).
The child safety seat capable of being released in linkage at any rotation angle according to claim 7 is characterized in that the rotating disk (3) is provided with a fixed seat (33), the fixed seat (33) is provided with a movable hole (331) slidably connected to the buckle (921) and a movable groove (332) slidably connected to the release connection seat (91), one end of the buckle (921) is provided with a buckle (9212), and the release connection seat (91) is provided with a rotating groove (911) which is rotatably connected to the buckle (9212).
The child safety seat capable of being linked and released at any rotation angle according to claim 8 is characterized in that a release and reset elastic member (95) is installed in the movable groove (332), and two ends of the release and reset elastic member (95) are respectively connected to the fixing seat (33) and the release connecting seat (91).
The child safety seat capable of being released in linkage at any rotation angle according to claim 8 is characterized in that a front end of the release handle (4) is provided with an abutment surface (41), and the pull wire connector (96) is provided with an abutment platform (962), and when the release handle (4) is pulled forward, the abutment surface (41) abuts against the abutment platform (962).
The child safety seat capable of being released in linkage at any rotation angle according to claim 1 is characterized in that the base (2) is movably connected with a gear positioning block (30) locked with the rotating disk (3), the gear positioning block (30) is provided with a first hinged portion (301), and the base (2) is provided with a second hinged portion (21) hingedly connected to the first hinged portion (301), and when the release handle (4) moves backward to push the gear positioning block (30) to rotate around the first hinged portion (301), the gear positioning block (30) is disengaged from the rotating disk (3) to achieve the release of the rotating disk (3).
The child safety seat capable of being released in linkage at any rotation angle according to claim 11, characterized in that the first hinged portion (301) is a pin, and the second hinged portion (21) is a hinged hole.
The child safety seat that can be released in linkage at any rotation angle according to claim 12 is characterized in that a notch (3011) is provided on the peripheral wall of the pin shaft.
The child safety seat capable of being released in linkage at any rotation angle according to claim 11 is characterized in that the width of the gear positioning block (30) in the up-down direction gradually increases from front to back.
The child safety seat capable of being released in linkage at any rotation angle according to claim 11 is characterized in that it also includes a gear reset elastic member (40), wherein two ends of the gear reset elastic member (40) are respectively connected to the gear positioning block (30) and the base (2).
The child safety seat capable of being released in linkage at any rotation angle according to claim 11 is characterized in that the rotating disk (3) is provided with a plurality of gear slots (34) arranged at intervals, and one of the plurality of gear slots (34) is selectively plugged and locked with the gear positioning block (30).
The child safety seat capable of being released in linkage at any rotation angle according to claim 11, characterized in that the base (2) is provided with a sliding groove (25) slidably connected to the release handle (4).
The child safety seat capable of being released in linkage at any rotation angle according to claim 11 is characterized in that a rotation positioning seat (22) is provided on the base (2), and the rotating disk (3) is provided with a mounting hole that cooperates with the rotation positioning seat (22).
The child safety seat that can be released in linkage at any rotation angle according to claim 18 is characterized in that the base (2) is also provided with a front hook (23) and a rear hook (24), and the front hook (23) and the rear hook (24) both cooperate with the edge of the rotating disk (3).