WO2022099948A1

WO2022099948A1 - Child seat

Info

Publication number: WO2022099948A1
Application number: PCT/CN2021/077791
Authority: WO
Inventors: 李伟琼
Original assignee: 昆山威凯儿童用品有限公司
Priority date: 2020-11-12
Filing date: 2021-02-25
Publication date: 2022-05-19
Also published as: CN213649707U

Abstract

A child seat, comprising a fixed seat (1) which is mounted and fixed to a vehicle frame, a seat cushion frame (2) which is rotatable relative to the fixed seat (1), and a backrest frame (3); a backrest locking mechanism (4) is provided between the backrest frame (3) and the fixed seat (1), and a cushion locking mechanism (5) is provided between the seat cushion frame (2) and the fixed seat (1); the backrest frame (3) is provided with an unlocking mechanism A for releasing the cushion locking mechanism (5) and a backrest unlocking mechanism (4-3) for releasing the backrest locking mechanism (4), and the unlocking mechanism A is provided with an unlocking operation mechanism (7); when the backrest frame (3) rotates relative to the fixed seat (1) within a backrest angle adjustment range, the unlocking mechanism A thereof cannot release the locking of the cushion locking mechanism (5); and when the backrest frame (3) rotates forward and exceeds the backrest angle adjustment range enabling the backrest frame (3) to be in a non-use state, operating the unlocking operation mechanism (7) may release the locking of the cushion locking mechanism (5). Thus, the child seat has a higher safety performance and thus prevents the seat cushion frame (2) from being mistakenly unlocked.

Description

a child seat

technical field

The utility model relates to the field of children's appliances, in particular to a child seat.

Background technique

There are many types of existing child seats, but in order to facilitate storage, the child seats are all in an open state and a folded and folded state. A child seat generally includes a fixed seat fixed to the frame, a seat cushion frame and a backrest frame that can be rotated relative to the fixed seat. The seat cushion frame and the backrest frame of some existing child seats are respectively locked and positioned in the use state through the seat cushion locking mechanism and the backrest locking mechanism, and the unlocking operation structures of the seat cushion locking mechanism and the backrest locking mechanism are mostly arranged on the upper part of the backrest frame. Although the design is easy to unlock when the child seat needs to be folded, the safety performance also has certain defects, and the seat cushion frame may be unlocked due to misoperation.

SUMMARY OF THE INVENTION

The purpose of the present utility model is to provide a child seat, when the backrest frame is in the backrest angle adjustment range, the seat cushion locking mechanism cannot be unlocked, and can only be unlocked when the backrest frame is rotated forward beyond the backrest angle adjustment range Compared with the prior art, the locking of the seat cushion locking mechanism has higher safety performance, which prevents the seat cushion frame from being unlocked by mistake.

The technical scheme of the utility model is as follows: a child seat comprises a fixed seat mounted and fixed with a vehicle frame, a seat cushion frame and a backrest frame that can be rotated relative to the fixed seat, and a backrest locking mechanism is arranged between the backrest frame and the fixed seat , a seat cushion locking mechanism is provided between the seat cushion frame and the fixed seat; the backrest frame has an unlocking mechanism A for releasing the seat cushion locking mechanism and a backrest unlocking mechanism for releasing the backrest locking mechanism, and the unlocking mechanism A is provided with Unlock the operating mechanism. When the backrest frame rotates relative to the fixed seat within the backrest angle adjustment range, the unlocking mechanism A of the unlocking mechanism A fails to release the lock of the seat locking mechanism. When the backrest frame rotates forward and exceeds the backrest angle adjustment range, the backrest frame When in a non-use state, operating the unlocking operating mechanism can release the locking of the seat cushion locking mechanism.

Further, the seat cushion frame and the backrest frame are rotated around the same rotation axis; the unlocking structure includes an unlocking slider disposed at the rotation connection of the backrest frame and slidable radially relative to the rotation axis. A return spring is arranged between the block and the backrest frame, and the seat cushion locking mechanism can be released when the unlocking slider slides; the seat cushion frame has a limit structure corresponding to the unlocking slider, and the limit structure is matched with the unlocking slider. The unlocking slider has two matching states. When the backrest frame rotates in the adjustment range of the backrest angle, the unlocking slider can only move in the circumferential direction relative to the rotating shaft, and its radial direction is limited and cannot slide radially, and cannot be released. The seat cushion locking mechanism is locked; when the backrest frame rotates forward and exceeds the angle adjustment range of the backrest, the unlocking slider can not only move circumferentially relative to the rotation axis but also slide radially relative to the rotation axis, and the seat cushion lock can be released at this time Mechanism locked. Wherein, the "backrest angle adjustment range" refers to the travel range of the backrest frame to rotate back and forth to adjust the backrest angle.

Further, the unlocking slider has a protruding guide protrusion; the limiting mechanism is a guide groove formed on the seat cushion frame, corresponding to the guide protrusion and available for the guide protrusion to slide, and the guide groove is divided into two parts. A limit segment that is arc-shaped and can only be used for the guide protrusion to slide around the circumferential direction of the rotating shaft, and not only for the guide protrusion to move in the circumferential direction around the rotating shaft, but also for the radial direction of the guide protrusion about the rotating shaft. Sliding active segment.

Further, the lower end of the backrest frame has a backrest connecting seat, the unlocking slider is arranged in the backrest connecting seat and can slide radially relative to the backrest connecting seat, and both sides of the seat cushion frame have upwardly extending seat cushion side plates, The guide groove is formed on the side plate of the seat cushion.

Further, the seat cushion locking mechanism includes a gear, a gear groove formed on the side plate of the seat cushion and axially slidably fitted with the gear, a wheel groove formed on the fixed seat and corresponding to the gear, and a gear groove disposed between the gear and the fixed seat. A first spring, and a linking piece arranged between the gear and the unlocking slider; the linking piece is axially slidably fitted with the side plate of the seat cushion; the side of the wheel groove of the fixed seat close to the unlinking piece is connected to A limit groove part for the axial sliding fit of the gear, the side of the wheel groove away from the link piece is a rotation groove part for the axial rotation of the gear; the side of the unlocking slider close to the link piece is protruded with a guide part, the guide part is formed with inclined guide surfaces at least on both sides in the radial movement direction, and the center of the link has a conical concave surface matched with the inclined surface of the inclined guide surface;

When the seat cushion locking mechanism is in a locked state, the gears are simultaneously clamped in the gear grooves and the limit grooves of the wheel grooves. At this time, the seat cushion frame and the fixed seat are locked and positioned relative to each other, and the two cannot rotate relative to each other;

When the seat cushion locking mechanism is unlocked, the unlocking slider is radially slid, and the guide portion of the unlocking slider is slidably matched with the conical concave surface of the linking member and drives the linking member to press against the gear, and the gear is pressed and slid to the wheel. The rotating groove part of the groove, at this time, the cushion frame and the fixed seat are relatively unlocked, and the two can rotate relatively.

Further, the unlocking slider is connected with the unlocking operation mechanism through the slider traction rope. When the unlocking operation mechanism is operated, the slider traction rope is driven to move up, thereby driving the unlocking slider to slide radially, thereby releasing the locking of the seat cushion locking mechanism. .

Further, the backrest locking mechanism includes a lock block that can slide up and down relative to the backrest connecting seat, a second spring arranged between the lock block and the backrest connecting seat, and a lock block traction connected between the backrest unlocking mechanism and the lock block. The side of the fixing seat close to the backrest frame has an inner convex ring, and the outer periphery of the inner convex ring has a plurality of positioning grooves arranged at intervals and corresponding to the locking blocks; the backrest locking mechanism is connected by the locking blocks and different positioning grooves. Lock to realize multiple angle adjustment of the backrest frame.

Further, the side plate of the seat cushion is provided with a penetrating groove for the lock block to pass through and slide around the circumferential direction of the rotating shaft.

Further, the fixing seat has a socket which is matched with the socket of the stroller frame, and the fixing seat has an installation locking mechanism for locking the socket.

Further, the backrest unlocking mechanism is preferably a rotary unlocking mechanism, and the unlocking operating mechanism is preferably a push-type unlocking mechanism, and both are arranged in the middle position of the upper part of the backrest frame. When the seat needs to be folded, the above-mentioned backrest unlocking mechanism can be simultaneously pulled with one hand and continuously pressed on the above-mentioned unlocking operating mechanism. Due to the design of the above-mentioned limiting mechanism, when the backrest frame is in the backrest angle adjustment range, the seat cushion locking mechanism cannot be locked. Unlocked, that is, the pressing of the unlocking operating mechanism at this time is actually invalid, and when the backrest frame is rotated forward beyond the adjustment range of the backrest angle, the locking of the seat cushion locking mechanism is released, and the pressing of the unlocking operating mechanism is only at this time. It is effective. The advantage of this design is that when the frame is folded, the operator can simultaneously operate the backrest unlocking mechanism and the aforementioned unlocking operation mechanism, without having to perform the unlocking operations in sequence, and the operation is more convenient.

The advantages of the utility model are:

1 In the present utility model, the rotating connection of the backrest frame is provided with an unlocking slider that can slide radially relative to the rotation axis. When the unlocking slider slides, the seat cushion locking mechanism can be unlocked, and the seat cushion frame has a The unlocking slider corresponds to the matching limit structure. When the backrest frame is in the backrest angle adjustment range, the seat cushion locking mechanism cannot be unlocked. Only when the backrest frame is rotated forward beyond the backrest angle adjustment range can the seat cushion lock be released. Compared with the prior art, the locking of the mechanism has higher safety performance and prevents the seat cushion frame from being unlocked by mistake.

2. In the seat cushion locking mechanism of the present invention, the center of the linkage is designed as a conical concave surface that cooperates with the inclined surface of the guide portion of the unlocking slider. This design will not affect the seat cushion when the backrest frame rotates relative to the seat cushion frame to any state. The linkage effect of the unlocking operation of the locking mechanism.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. The drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the structural representation when the utility model is in use;

Fig. 2, Fig. 3, Fig. 4 is the partial assembly structure schematic diagram of the seat cushion frame, the backrest frame and the fixed seat rotating connection in the utility model;

5 is a schematic structural diagram of the backrest frame of the present utility model when it rotates forward and just exceeds the backrest angle adjustment range;

FIG. 6 is a schematic structural diagram of the utility model when it is in a folded and folded state.

Among them: 1 fixed seat; 1-1 inner convex ring; 1-2 plug interface;

2 seat cushion frame; 2-1 guide groove; 2-1-1 limit section; 2-1-2 active section; 2-2 seat cushion side plate; 2-2-1 through hole;

3 backrest frame; 3-1 backrest connecting seat;

4 backrest locking mechanism; 4-1 lock block; 4-3 backrest unlocking mechanism; 4-4 lock block traction rope; 4-5 positioning groove;

5. Cushion locking mechanism; 5-1 gear; 5-2 wheel groove; 5-2-1 limit groove; 5-2-2 rotation groove; 5-3 first spring; 5-4 linkage; 5 -4-1 conical concave surface;

6 Unlock the slider; 6-1 Guide bump; 6-2 Guide part;

7 Unlock the operating mechanism;

8 slider traction rope;

9 Return spring.

Detailed ways

The above scheme will be further described below in conjunction with specific embodiments. It should be understood that these embodiments are intended to illustrate the present invention and not to limit the scope of the present invention. The implementation conditions adopted in the examples can be further adjusted according to specific conditions, and the unremarked implementation conditions are usually the conditions in routine experiments.

As shown in FIGS. 1 to 6 , a child seat includes a fixed seat 1 mounted and fixed with a frame, a seat cushion frame 2 and a backrest frame 3 that can be rotated relative to the fixed seat 1 , the backrest frame 3 and the fixed seat 1 There is a backrest locking mechanism 4 therebetween, and a seat cushion locking mechanism 5 is provided between the seat cushion frame 2 and the fixed seat 1; the lower end of the backrest frame 3 has a backrest connecting seat 3-1, The extended seat cushion side plate 2-2, the backrest connecting seat 3-1 and the seat cushion side plate 2-2 are rotated around the same rotation axis; Unlocking structure A, the unlocking structure A includes an unlocking slider 6 that is arranged on the backrest connecting base 3-1 and can slide radially relative to the rotation axis, and a reset is provided between the unlocking slider 6 and the backrest frame 3 The spring 9 can release the lock of the seat cushion locking mechanism 5 when the unlocking slider 6 slides;

In this embodiment, the specific matching structure of the unlocking slider 6 and the limiting mechanism is as follows: the unlocking slider 6 has a protruding guide protrusion 6-1; the limiting mechanism is formed on the seat cushion On the side plate 2-2, there is a guide groove 2-1 corresponding to the guide bump 6-1 and for the guide bump 6-1 to slide. The guide groove 2-1 is arc-shaped and can only be used for guiding The limiting section 2-1-1 for the projections 6-1 to slide around the circumferential direction of the rotating shaft and not only for the guide projections 6-1 to perform circumferential movement around the rotation axis, but also for the guide projections 6-1 to rotate around the rotation axis The radial direction of the sliding movable segment 2-1-2.

In order to facilitate the sliding of the unlocking slider 6 , an unlocking operation mechanism 7 is provided above the backrest frame 3 , and the unlocking slider 6 is connected to the unlocking operation mechanism 7 through a slider pulling rope 8 .

The working principle of the above-mentioned limiting mechanism is as follows: the limiting structure and the unlocking slider 6 have two matching states.

When the backrest frame 3 rotates relative to the fixed seat 1 within the range of the backrest angle adjustment, the guide protrusion 6-1 is located in the limit section 2-1-1 of the guide groove 2-1, and the unlocking slider 6 can be unlocked. Circumferential movement relative to the rotating shaft, its radial direction is limited and cannot radially slide, and the seat cushion locking mechanism 5 cannot be released from locking;

When the backrest frame 3 is rotated forward and exceeds the adjustment range of the backrest angle so that the backrest frame 3 is in a non-use state, the guide projection 6-1 slides to the movable section 2-1-2 of the guide groove 2-1, so The unlocking slider 6 can not only move in the circumferential direction relative to the rotating shaft, but also slide radially relative to the rotating shaft. At this time, the unlocking operating mechanism 7 is operated to drive the slider traction rope 8 to move up, and the unlocking slider 6 is driven to slide radially, thereby The lock of the seat cushion locking mechanism 5 is released.

The utility model releases the locking of the seat cushion locking mechanism 5 by sliding the unlocking slider 6, and realizes a two-stage limit for the unlocking slider 6 through the limiting structure. When the backrest frame 3 is in the backrest angle adjustment range, the seat cushion locking mechanism 5 It cannot be unlocked, and the seat cushion locking mechanism 5 can be unlocked only when the backrest frame 3 is rotated forward beyond the adjustment range of the backrest angle. Compared with the prior art, the safety performance is higher, and the seat cushion frame 2 is prevented from being locked. Unlock by mistake.

In this embodiment, the specific structure of the seat cushion locking mechanism 5 is as follows: the seat cushion locking mechanism 5 includes a gear 5-1, a gear groove formed on the seat cushion side plate 2-2 and axially slidably fitted with the gear 5-1 , a wheel groove 5-2 formed on the fixed seat 1 and corresponding to the gear 5-1, a first spring 5-3 arranged between the gear 5-1 and the fixed seat 1, and a first spring 5-3 arranged between the gear 5-1 and the unlocking The linkage 5-4 between the sliders 6; the linkage 5-4 is axially slidably fitted with the seat cushion side plate 2-2; the wheel groove 5-2 of the fixed seat 1 is close to the linkage 5- One side of 4 is a limit groove portion 5-2-1 which is axially slidably matched with the gear, and the side of the wheel groove 5-2 away from the link 5-4 is axially rotatably matched with the gear 5-1. Rotation groove part 5-2-2; a guide part 6-2 is protruded on the side of the unlocking slider 6 close to the linking piece 5-4, and the guide part 6-2 is at least in two directions of its radial movement direction. The side end is formed with an inclined guide surface, and the center of the linkage member 5-4 has a conical concave surface 5-4-1 which is matched with the inclined surface of the inclined guide surface. In this design, when the backrest frame 3 rotates relative to the seat cushion frame 2 to any state, the linkage effect of the unlocking operation of the seat cushion locking mechanism 5 will not be affected.

The working principle of the above seat cushion locking mechanism 5 is as follows:

When the seat cushion locking mechanism 5 is in a locked state, the gear 5-1 is simultaneously clamped in the gear groove and the limit groove portion 5-2-1 of the wheel groove 5-2, and the seat cushion frame 2 and the fixed seat 1 are locked and positioned relative to each other. , the two cannot rotate relative to each other;

When the seat cushion locking mechanism 5 is unlocked, the unlocking slider 6 is slid radially. Drive the linkage to press the gear 5-1, and the gear 5-1 is pressed and slid to the rotation groove 5-2-2 of the wheel groove 5-2-1. At this time, the seat cushion frame 2 and the fixed seat 1 are relatively unlocked, and Can be rotated relatively.

In this embodiment, the specific structure and working principle of the backrest locking mechanism 4 are as follows: the backrest locking mechanism 4 includes a lock block 4-1 that can slide up and down relative to the backrest connecting seat 3-1, and is arranged on the lock block 4-1. 1 and the second spring between the backrest connecting seat 3-1, the backrest unlocking mechanism 4-3 arranged on the upper part of the backrest frame 3, and the lock block traction rope connected between the backrest unlocking mechanism 4-3 and the lock block 4-1 4-4, the side of the fixing seat 1 close to the backrest frame 3 has an inner convex ring 1-1, and the outer circumference of the inner convex ring 1-1 has a plurality of positioning grooves 4 arranged at intervals and corresponding to the locking block 4-1 -5; The backrest locking mechanism 4 realizes multiple angle adjustment of the backrest frame 3 through the locking of the lock block 4-1 and different positioning grooves 4-5.

In this embodiment, in order to facilitate the locking of the lock block 4-1 to the corresponding positioning groove 4-5, the seat cushion side plate 2-2 has a surface for the lock block 4-1 to pass through and rotate around the axis of rotation. Perforated slot 2-2-1 that slides in the circumferential direction.

In this embodiment, in order to facilitate the installation and assembly with the stroller frame, the fixing base 1 has a socket 1-2 which is matched with the socket socket of the stroller frame, and the fixing base 1 has an installation for locking the socket socket. locking mechanism.

In this embodiment, the backrest unlocking mechanism 4 - 3 is preferably a rotary unlocking mechanism, and the unlocking operating mechanism 7 is preferably a push-type unlocking mechanism, and both are arranged in the middle position of the upper part of the backrest frame 3 . When the seat needs to be folded, the above-mentioned backrest unlocking mechanism 4-3 can be simultaneously pulled with one hand and continuously pressed on the above-mentioned unlocking operating mechanism 7. Due to the design of the above-mentioned limiting mechanism, when the backrest frame 3 is in the backrest angle adjustment range, the seat cushion The locking mechanism 5 cannot be unlocked, that is, the pressing of the unlocking operating mechanism 7 is actually invalid at this time, and when the backrest frame 3 is rotated forward beyond the adjustment range of the backrest angle, the locking of the seat cushion locking mechanism 5 is released, At this time, the pressing of the unlocking operating mechanism 7 is effective. The advantage of this design is that when the frame is folded, the operator can operate the backrest unlocking mechanism 4-3 and the unlocking operating mechanism 7 at the same time, and there is no need to perform operations in sequence. Unlock operation, the operation is more convenient.

The above are only specific application examples of the present invention, and do not constitute any limitation to the protection scope of the present invention. In addition to the above-mentioned embodiments, the present invention may also have other implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

A child seat, comprising a fixed seat (1) mounted and fixed with a vehicle frame, a seat cushion frame (2) rotatable relative to the fixed seat (1), and a backrest frame (3), characterized in that: the backrest frame (3) ) and the fixing seat (1) are provided with a backrest locking mechanism (4), and a seat cushion locking mechanism (5) is provided between the seat cushion frame (2) and the fixing seat (1); There is an unlocking mechanism A for releasing the above-mentioned seat cushion locking mechanism (5) and a backrest unlocking mechanism (4-3) for releasing the above-mentioned backrest locking mechanism (4). (3) When rotating relative to the fixed seat (1) within the adjustment range of the backrest angle, the unlocking mechanism A of the unlocking mechanism A fails to release the locking of the seat locking mechanism (5). When the backrest frame (3) rotates forward and exceeds the backrest angle When the adjustment range is such that the backrest frame is in a non-use state, operating the unlocking operating mechanism (7) can release the locking of the seat cushion locking mechanism (5).
A child seat according to claim 1, characterized in that: the seat cushion frame (2) and the backrest frame (3) are rotated around the same rotation axis; the unlocking structure A comprises a (3) An unlocking slider (6) at the rotational connection point and slidable radially relative to the rotating shaft. A return spring (9) is provided between the unlocking slider (6) and the backrest frame (3), and the unlocking slider (6) is provided with a return spring (9). (6) The seat cushion locking mechanism (5) can be released when sliding; the seat cushion frame (2) is provided with a limit structure corresponding to the unlocking slider (6), and the limit structure is compatible with the unlocking slider (6). Block (6) has two mating states,

When the backrest frame (3) rotates within the range of the backrest angle adjustment, the unlocking slider (6) can only move in the circumferential direction relative to the rotating shaft, and its radial direction is limited and cannot slide radially, and the seat cushion locking mechanism cannot be released. (5) lock;

When the backrest frame (3) rotates forward and exceeds the angle adjustment range of the backrest, the unlocking slider (6) can not only move circumferentially relative to the rotation axis but also slide radially relative to the rotation axis, and the seat cushion can be released at this time. The locking mechanism (5) is locked.
A child seat according to claim 2, characterized in that: the unlocking slider (6) has a protruding guide protrusion (6-1); the limiting mechanism is formed on the seat cushion frame (6-1). 2) A guide groove (2-1) corresponding to the guide bump (6-1) and available for the guide bump (6-1) to slide, and the guide groove (2-1) is divided into arc-shaped And only the limiting section (2-1-1) for the guide protrusion (6-1) to slide around the circumferential direction of the rotating shaft and not only for the guide protrusion (6-1) to make circumferential movement around the rotating shaft and A movable segment (2-1-2) for sliding the guide projection (6-1) around the radial direction of the rotating shaft.
A child seat according to claim 3, characterized in that: the lower end of the backrest frame (3) has a backrest connecting seat (3-1), and the unlocking slider (6) is arranged on the backrest connecting seat (3-1) and can slide radially relative to the backrest connecting seat (3-1), the seat cushion frame (2) has upwardly extending seat cushion side plates (2-2) on both sides, and the guide groove (2- 1) Formed on the seat cushion side plate (2-2).
A child seat according to claim 4, characterized in that: the seat cushion locking mechanism (5) comprises a gear (5-1), which is formed on the seat cushion side plate (2-2) and is connected with the gear (5-1). 1) A gear groove for axial sliding fit, a wheel groove (5-2) formed on the fixed seat (1) and corresponding to the gear (5-1), and provided between the gear (5-1) and the fixed seat (1) A first spring (5-3) between the gears (5-1) and a linkage (5-4) provided between the gear (5-1) and the unlocking slider (6); the linkage (5-4) Axial sliding fit with the seat cushion side plate (2-2); the side of the wheel groove (5-2) of the fixed seat (1) close to the link (5-4) is the limit for axial sliding fit with the gear. The position groove portion (5-2-1), the side of the wheel groove (5-2) away from the link member (5-4) is a rotating groove portion (5) which is axially rotatably matched with the gear (5-1). -2-2); a guide portion (6-2) is protruded on the side of the unlocking slider (6) close to the linking piece (5-4), and the guide portion (6-2) is at least at the diameter of the guide portion (6-2). Two side ends in the moving direction are formed with inclined guide surfaces, and the center of the linkage member (5-4) has a conical concave surface (5-4-1) matched with the inclined surfaces of the inclined guide surfaces;

When the seat cushion locking mechanism (5) is in a locked state, the gear (5-1) is simultaneously clamped in the gear groove and the limit groove portion (5-2-1) of the wheel groove (5-2), and the seat cushion frame is at this time. (2) It is locked and positioned relative to the fixed seat (1), and the two cannot rotate relative to each other;

When the seat cushion locking mechanism (5) is unlocked, the unlocking slider (6) is radially slid, and the guide portion (6-2) of the unlocking slider (6) is connected to the cone of the linking member (5-4). The concave surface (5-4-1) is slidably fitted and drives the linkage (5-4) to press against the gear (5-1), and the gear (5-1) is pressed to slide to the groove (5-2-1). Rotate the groove part (5-2-2), at this time, the cushion frame (2) and the fixed seat (1) are unlocked relative to each other, and the two can be rotated relative to each other.
A child seat according to claim 2 or 5, characterized in that: the unlocking slider (6) is connected with the unlocking operating mechanism (7) through the slider pulling rope (8), and the unlocking operating mechanism (7) is operated. 7) When turning, drive the slider pulling rope (8) to move up, and then drive the unlocking slider (6) to slide radially, thereby releasing the locking of the seat cushion locking mechanism (5).
A child seat according to claim 4, characterized in that: the backrest locking mechanism (4) comprises a lock block (4-1) that can slide up and down relative to the backrest connecting seat (3-1); The second spring between the lock block (4-1) and the backrest connecting seat (3-1), the lock block traction rope (4) connected between the backrest unlocking mechanism (4-3) and the lock block (4-1) -4), the side of the fixing seat (1) close to the backrest frame (3) has an inner convex ring (1-1), and the outer circumference of the inner convex ring (1-1) has a plurality of spaced arrangements and is connected with the locking block (4-1) Corresponding positioning grooves (4-5); the backrest locking mechanism (4) is locked by the locking block (4-1) and different positioning grooves (4-5), so as to realize more than one backrest frame (3). angle adjustment.
A child seat according to claim 7, characterized in that: the side plate (2-2) of the seat cushion is provided with a lock block (4-1) for passing through and sliding around the circumferential direction of the rotating shaft. Punch slot (2-2-1).
A child seat according to claim 1, characterized in that: the fixing seat (1) has a socket (1-2) matched with a socket of a stroller frame, and the fixing seat (1) Has a mounting locking mechanism for locking the socket.