CN219544555U

CN219544555U - Automobile child safety seat with adjustable steering angle

Info

Publication number: CN219544555U
Application number: CN202320681104.8U
Authority: CN
Inventors: 刘修平; 邢孔誉
Original assignee: Hubei Aiying Technology Co ltd; SUNNYLOVE BABY PRODUCTS ZHUHAI CO LTD
Current assignee: Hubei Aiying Technology Co ltd; SUNNYLOVE BABY PRODUCTS ZHUHAI CO LTD
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-18
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses an automobile child safety seat with an adjustable steering angle, which comprises a base, a rotary connecting component and a seat part, wherein the seat part is arranged above the base and is connected with the rotary connecting component in a same way, the rotary connecting component is arranged between the base and the seat part and can rotate 360 degrees relative to the base, the seat part is a basket or a seat and is detachably connected with the rotary connecting component, when a consumer needs to replace the seat with the basket, after the seat is detached and before the seat is replaced with the basket, an unlocking piece is operated to rotate relative to the rotary connecting component, and the unlocking piece drives a limiting piece to move relative to the rotary connecting component in the radial direction and extend into a stroke limiting groove, so that the seat part replaced with the basket can only rotate to a lateral mode or a backward mode, namely the basket can only rotate to the lateral mode or the backward mode, and the use safety of infants is ensured.

Description

Automobile child safety seat with adjustable steering angle

[ field of technology ]

The utility model relates to the technical field of child safety products, in particular to an automobile child safety seat with an adjustable steering angle.

[ background Art ]

Child safety seats are seats designed specifically for children, and the child safety seats are assembled in an automobile so that the child can sit on the child safety seats, and the child is restrained by the child safety seats so as to ensure the child safety.

Child safety seats generally include a seat portion, a turntable, and a base, the seat portion being disposed on the turntable, the turntable being capable of driving the seat portion to rotate relative to the base such that the seat portion is rotatable to face forward or away from the head; when the seat part rotates to face the headstock relative to the base, the seat part is in a forward mode; when the seat part rotates to be opposite to the head of the bicycle relative to the base, the seat part is in a backward mode; when the seat portion is rotated 90 degrees from the forward mode or the rearward mode, the seat portion is in the side-to-side mode. Because of age and safety problems, infants within two years of age can only use a child safety seat with a sitting portion as a basket, and the basket of the child safety seat can be rotated to a backward mode or a lateral mode but cannot be rotated to a forward mode; children older than two years can use the child safety seat with the seat part as the seat, and the seat of the child safety seat can be rotated to a forward mode, a backward mode and a lateral mode for use.

The existing child safety seat has the following technical problems: as the age of children increases, the child safety seat needs to use different seats, and if the child safety seat with different seats needs to be purchased respectively in different age groups of the children, the cost is high; if the seat is detachable from the turntable, when the seat in the forward mode is detached from the turntable and replaced by the basket when the seat is directly replaced by a different seat, the basket is in the forward mode, so that parents or other users can use the forward mode by mistake, and the problem of great safety exists.

The present utility model has been made in view of the above problems.

[ utility model ]

The utility model aims to overcome the defects of the prior art, and provides an automobile child safety seat with an adjustable steering angle, wherein the seat holder is a basket or a seat and is detachably connected with a rotary connecting component, when a consumer needs to replace the seat with the basket, after the seat is removed and before the seat is replaced with the basket, an unlocking piece is operated to rotate relative to the rotary connecting component, the unlocking piece drives a limiting piece to move relative to the rotary connecting component in the radial direction so as to extend into a travel limiting groove, and then the seat holder replaced with the basket can only rotate to a lateral mode or a backward mode, namely the basket is ensured to rotate to the lateral mode or the backward mode, so that the use safety of infants is ensured.

In order to solve the technical problems, the automobile child safety seat with the adjustable steering angle comprises a base 1, a rotary connecting assembly 2 and a seat part 3, wherein the seat part 3 is arranged above the base 1 and is connected with the rotary connecting assembly 2 in a synchronous manner, and the rotary connecting assembly 2 is positioned between the base 1 and the seat part 3 and can rotate 360 degrees relative to the base; an adjusting and positioning control mechanism 4 for locking or releasing the rotary connecting assembly 2 relative to the base 1 is arranged between the base 1 and the rotary connecting assembly 2; the angle rotation control mechanism 5 is further arranged between the base 1 and the rotary connecting assembly 2, the angle rotation control mechanism 5 comprises a travel limit groove 51 arranged on the base 1 and a limit piece 52 slidably arranged on the rotary connecting assembly 2 and capable of extending into the travel limit groove 51 for movement, the angle rotation control mechanism 5 further comprises an unlocking piece 53 rotatably arranged on the rotary connecting assembly 2, and when the unlocking piece 53 rotates relative to the rotary connecting assembly 2, the unlocking piece 53 drives the limit piece 52 to move radially relative to the rotary connecting assembly 2 and extend into the travel limit groove 51, so that the seat 3 can only rotate to a lateral mode or a backward mode.

As described above, in the child car seat with adjustable steering angle, the two ends of the travel limit groove 51 have limit portions 511 for blocking the limit pieces 52, and when the limit pieces 52 abut against the limit portions 511, the seat portion 3 is in a lateral mode.

In the above-mentioned child car seat with adjustable steering angle, the central angle between the two limiting parts 511 is 180 °.

The automobile child safety seat with adjustable steering angle is characterized in that the limiting piece 52 is provided with a limiting piece protrusion 521; the unlocking piece 53 is provided with a driving part, the limiting piece protrusion 521 is connected with the driving part, and when the unlocking piece 53 rotates, the driving part acts on the limiting piece protrusion 521 to link the limiting piece 52 to correspondingly stretch and retract along the radial direction.

The automobile child safety seat with the adjustable steering angle is characterized in that the limiting piece protrusion 521 is slidably connected with the driving part; the driving part is an arc groove 531 eccentrically arranged on the unlocking piece 53, the limiting piece protrusion 521 is limited to move in the arc groove 531, when the limiting piece protrusion 521 is positioned at one end point of the arc groove 531, the limiting piece 52 is driven to extend into the stroke limiting groove 51, and when the limiting piece protrusion 521 is positioned at the other end point of the arc groove 531, the limiting piece 52 is driven to withdraw from the stroke limiting groove 51.

The automobile child safety seat with the adjustable steering angle is characterized in that the limiting piece protrusion 521 is slidably connected with the driving part; the driving part is an arc-shaped groove 531 eccentrically arranged on the unlocking piece 53, the limiting piece protrusion 521 is limited to move in the arc-shaped groove 531, when the limiting piece protrusion 521 is located at the top position or any position of two end points of the arc-shaped groove 531, the limiting piece 52 is driven to extend into the stroke limiting groove 51, and when the limiting piece protrusion 521 is correspondingly located at any position or any position of two end points of the arc-shaped groove 531, the limiting piece 52 is driven to withdraw from the stroke limiting groove 51.

In the automobile child safety seat with the adjustable steering angle, the arc-shaped groove 531 has a semicircular structure.

The automobile child safety seat with the adjustable steering angle is characterized in that the rotary connecting assembly 2 is provided with the installation cavity 21 for installing the unlocking piece 53, the inner bottom of the installation cavity 21 on the rotary connecting assembly 2 is radially provided with the guide groove 22 penetrating through the side wall of the installation cavity 21, and the limiting piece 52 is slidably arranged in the guide groove 22.

As described above, the child car seat with adjustable steering angle is provided with the supporting step 211 on the peripheral wall of the installation cavity 21, and the unlocking piece 53 is provided with the unlocking piece step 532 for being connected and matched with the supporting step 211.

In the automobile child safety seat with the adjustable steering angle, the unlocking piece 53 and the rotary connecting assembly 2 rotate around the same axis.

Compared with the prior art, the utility model has the following advantages:

1. according to the utility model, the seat is a lifting basket or a seat and is detachably connected with the rotary connecting component, when a consumer needs to replace the seat with the lifting basket, the seat is firstly disassembled, and before the lifting basket is installed, the unlocking piece is operated to rotate relative to the rotary connecting component, the unlocking piece drives the limiting piece to move relative to the rotary connecting component in the radial direction and extend into the stroke limiting groove, so that the seat part replaced with the lifting basket can only rotate to a lateral mode or a backward mode, namely, the lifting basket can only rotate to the lateral mode or the backward mode, the use safety of infants is ensured, and in addition, the consumer does not need to purchase the automobile child safety seat with different seat parts again in the growth process of the infants, thereby the child raising cost of the consumer can be reduced.

2. The guide groove penetrating through the side wall of the installation cavity is formed in the inner bottom of the installation cavity along the radial direction on the rotary connecting assembly, the limiting piece is slidably arranged in the guide groove, the limiting piece can be guided, stable and smooth radial sliding of the limiting piece is ensured, meanwhile, the side wall of the guide groove is connected with the limiting piece, the contact area of the side wall of the guide groove and the side wall of the limiting piece is increased, and therefore structural stability and structural strength are improved.

3. Be equipped with the support step on the installation cavity perisporium, be equipped with on the unlock piece and be used for being connected complex unlock piece step with the support step, can play the supporting role to unlock piece, avoid unlock piece directly to support the pressure locating part, influence the locating part sliding effect, can play spacing effect to unlock piece simultaneously, avoid unlock piece relative swivelling joint subassembly radial dislocation skew, ensure unlock piece and rotate steadily.

[ description of the drawings ]

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

fig. 1 is a schematic structural view of a base and a rotary connection assembly according to the present utility model.

FIG. 2 is a cross-sectional view of a base and swivel connection assembly of the present utility model.

Fig. 3 is an enlarged schematic view of a in fig. 2.

Fig. 4 is an exploded view of the base and swivel connection assembly of the present utility model.

Fig. 5 is an exploded view of the base of the present utility model.

Fig. 6 is a perspective view of an unlocking member of the angular rotation control mechanism according to the present utility model.

Fig. 7 is a bottom view of an unlocking member of the angular rotation control mechanism according to the present utility model.

Fig. 8 is a schematic view of the structure of the seat portion in the forward mode according to the present utility model.

Fig. 9 is a schematic view of the structure of the seat portion in the backward mode according to the present utility model.

[ detailed description ] of the utility model

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 9, the child safety seat for the automobile with adjustable steering angle comprises a base 1, a rotary connecting component 2 and a seat part 3, wherein the seat part 3 is arranged above the base 1 and is connected with the rotary connecting component 2 in a same way, the seat part 3 is a basket or a seat and is detachably connected with the rotary connecting component 2, and the rotary connecting component 2 is positioned between the base 1 and the seat part 3 and can rotate 360 degrees relative to the base; an adjusting and positioning control mechanism 4 for locking or releasing the rotary connecting assembly 2 relative to the base 1 is arranged between the base 1 and the rotary connecting assembly 2; the angle rotation control mechanism 5 is further arranged between the base 1 and the rotary connecting assembly 2, the angle rotation control mechanism 5 comprises a travel limit groove 51 arranged on the base 1 and a limit piece 52 slidably arranged on the rotary connecting assembly 2 and capable of extending into the travel limit groove 51 for movement, the angle rotation control mechanism 5 further comprises an unlocking piece 53 rotatably arranged on the rotary connecting assembly 2, and when the unlocking piece 53 rotates relative to the rotary connecting assembly 2, the unlocking piece 53 drives the limit piece 52 to move radially relative to the rotary connecting assembly 2 and extend into the travel limit groove 51, so that the seat 3 can only rotate to a lateral mode or a backward mode. When a consumer needs to replace the seat into the lifting basket, after the seat is disassembled and before the seat is replaced into the lifting basket, the unlocking piece is operated to rotate relative to the rotary connecting component, the unlocking piece drives the limiting piece to move relative to the rotary connecting component in the radial direction and extend into the stroke limiting groove, so that the sitting portion of the lifting basket is replaced into the lateral mode or the backward mode, namely, the lifting basket is ensured to rotate into the lateral mode or the backward mode, the use safety of the infant is ensured, in addition, the consumer does not need to purchase the automobile child safety seat with different sitting portions again after the infant grows to two years, and only the lifting basket is required to be replaced into the seat, so that the child raising cost of the consumer can be reduced.

Before a consumer changes the lifting basket into a seat and drives the rotary connecting assembly to drive the seat to rotate to a forward mode, the consumer operates the unlocking piece to rotate relative to the rotary connecting assembly, the unlocking piece drives the limiting piece to move back to the stroke limiting groove along the radial direction relative to the rotary connecting assembly, the locking state of the angle rotation control mechanism 5 is further relieved, namely, the rotary connecting assembly is released, the rotary connecting assembly is operated to rotate a seat part replaced by the seat to the forward mode, and at the moment, the rotary connecting assembly can rotate 360 degrees relative to the base.

Preferably, the unlocking member 53 and the rotary joint assembly 2 both rotate about the same axis.

As shown in fig. 4 and 5, two ends of the travel limit groove 51 are provided with limit parts 511 for blocking the limit parts 52, and when the limit parts 52 are abutted against the limit parts 511, the seat part 3 is in a lateral mode, so that the structural strength of the angle rotation control mechanism 5 can be improved, and the structural stability is ensured; meanwhile, the device plays a role in blocking and positioning, and is convenient for rotating the seat part to a lateral mode.

As shown in fig. 4 and 5, the central angle between the two limiting parts 511 is 180 °, that is, when the limiting part 52 abuts against one limiting part 511 to make the seat part in the lateral mode, the seat part may face to the left side of the base or the right side of the base, so as to facilitate the user to detach the seat part at the left side of the base or the right side of the base.

Further, the limiting piece 52 is provided with a limiting piece protrusion 521; the unlocking piece 53 is provided with a driving part, the limiting piece protrusion 521 is connected with the driving part, and when the unlocking piece 53 rotates, the driving part acts on the limiting piece protrusion 521 to link the limiting piece 52 to correspondingly stretch and retract along the radial direction.

In order to better operate the angle rotation control mechanism 5 to lock and unlock the rotary connection assembly, as a first scheme of matching and connecting the limiting piece protrusion 521 with the arc-shaped groove 531, the limiting piece protrusion 521 is slidingly connected with the driving part; the driving part is an arc groove 531 eccentrically arranged on the unlocking piece 53, the limiting piece protrusion 521 is limited to move in the arc groove 531, when the limiting piece protrusion 521 is positioned at one end point of the arc groove 531, the limiting piece 52 is driven to extend into the stroke limiting groove 51, and when the limiting piece protrusion 521 is positioned at the other end point of the arc groove 531, the limiting piece 52 is driven to withdraw from the stroke limiting groove 51. When the rotary connecting assembly is required to be locked, the unlocking member 53 is operated to rotate relative to the rotary connecting assembly, the limiting member protrusion 521 slides in the arc-shaped groove 531, and the limiting member 52 is limited to slide radially relative to the rotary connecting assembly, so that during the rotation of the unlocking member, the limiting member protrusion 521 extends into the travel limiting groove 51 under the guiding action of the arc-shaped groove 531, and the seat 3 can only rotate to the lateral mode or the backward mode.

As a second scheme of the cooperation connection between the limiting piece protrusion 521 and the arc-shaped groove 531, as shown in fig. 6 and 7, for the convenience of operation, the limiting piece protrusion 521 is slidably connected with the driving part; the driving part is an arc-shaped groove 531 eccentrically arranged on the unlocking piece 53, the limiting piece protrusion 521 is limited to move in the arc-shaped groove 531, when the limiting piece protrusion 521 is positioned at any position of two end points of the arc-shaped groove 531, the limiting piece 52 is driven to extend into the stroke limiting groove 51, and when the limiting piece protrusion 521 is positioned at the vertex position of the arc-shaped groove 531, the limiting piece 52 is driven to withdraw from the stroke limiting groove 51. Preferably, the arc-shaped groove 531 has a semicircular structure. When the rotary connecting assembly needs to be locked, the operation unlocking piece 53 rotates in the forward direction or the reverse direction relative to the rotary connecting assembly, the limiting piece protrusion 521 slides in the arc-shaped groove 531, and the limiting piece 52 is limited to slide in the radial direction relative to the rotary connecting assembly, so that no matter the operation unlocking piece rotates in the forward direction or the reverse direction, the limiting piece protrusion 521 stretches into the stroke limiting groove 51 under the guiding action of the arc-shaped groove 531, and the seat part 3 can only rotate to the lateral mode or the backward mode.

As a third scheme of the cooperation connection between the limiting member protrusion 521 and the arc-shaped groove 531, when the limiting member protrusion 521 is located at the top position of the arc-shaped groove 531, the limiting member 52 is driven to extend into the travel limiting groove 51, and when the limiting member protrusion 521 is located at any position of two end points of the arc-shaped groove 531, the limiting member 52 is driven to withdraw from the travel limiting groove 51. When the rotary connecting assembly is required to be unlocked, the unlocking piece 53 is operated to rotate in the forward direction or the reverse direction relative to the rotary connecting assembly, the limiting piece protrusion 521 is positioned in the arc-shaped groove 531 to slide, and the limiting piece 52 is limited to slide in the radial direction relative to the rotary connecting assembly, so that no matter the unlocking piece is operated to rotate in the forward direction or the reverse direction, the limiting piece protrusion 521 exits the stroke limiting groove 51 under the guiding action of the arc-shaped groove 531, and the unlocking is convenient.

As shown in fig. 3 and 4, the rotary connecting assembly 2 is provided with a mounting cavity 21 for mounting the unlocking member 53, a guide groove 22 penetrating through the side wall of the mounting cavity 21 is radially formed in the inner bottom of the mounting cavity 21 on the rotary connecting assembly 2, the limiting member 52 is slidably arranged in the guide groove 22, a guiding effect on the limiting member can be achieved, the limiting member is ensured to stably and smoothly slide along the radial direction, and meanwhile, the side wall of the guide groove is connected with the limiting member to be matched, so that the contact area of the side wall of the guide groove and the side wall of the limiting member is increased, and the structural stability and the structural strength are improved.

As shown in fig. 3 and 4, the peripheral wall of the mounting cavity 21 is provided with a supporting step 211, the unlocking piece 53 is provided with an unlocking piece step 532 which is used for being connected with the supporting step 211 in a matched manner, so that the unlocking piece can be supported, the unlocking piece is prevented from directly pressing against the limiting piece, the sliding effect of the limiting piece is influenced, the unlocking piece can be limited, the radial dislocation and offset of the unlocking piece relative to the rotary connecting assembly are avoided, and the unlocking piece is ensured to rotate stably. Preferably, the supporting step 211 is a sinking platform, so that the unlocking piece and the rotary connecting assembly structure can be more compact.

As shown in fig. 4 and 5, the adjusting and positioning control mechanism 4 includes a locking hole 41 provided on the rotating connection assembly 2 and a locking piece 42 slidably provided on the base 1 and capable of being inserted into the locking hole 41, the adjusting and positioning control mechanism 4 further includes a releasing piece 43 movably provided on the base 1, a linkage mechanism 44 is provided between the releasing piece 43 and the locking piece 42, the linkage mechanism 44 can link the locking piece 42 to withdraw from the locking hole 41 and release the locking state of the rotating connection assembly 2 when the releasing piece 43 moves forward or backward relative to the base 1, so that a user can release the locking state of the rotating connection assembly by linking the locking piece regardless of the forward or backward movement of the releasing piece 43 relative to the base, thereby realizing the releasing of the rotating connection assembly, and satisfying the operation and use of users with different operation habits, that is, whether the users are accustomed to use right hand or left hand, and providing convenience for the behavior of the users.

Preferably, the locking member 42 is elastically connected to the base 1, enabling to ensure that the locking member remains inserted with the locking hole 41 or has a tendency to be inserted into the locking hole 41.

As shown in fig. 5, the linkage mechanism 44 includes a locking member protrusion 441 provided on the locking member 42 and an actuating portion provided on the releasing member 43, the locking member protrusion 441 is connected to the actuating portion, and when the releasing member 43 moves, the actuating portion acts on the locking member protrusion 441 to link the locking member 42 to correspondingly move telescopically. During unlocking, a user operates the release member 43 to slide in a forward direction or a reverse direction relative to the base 1, and during the sliding process of the release member 43, the actuating portion acts on the locking member protrusion 441 to link the locking member 42 to slide relative to the base 41 to a side away from the locking hole 41 until the locking member 42 is withdrawn from the locking hole 41 to release the locking state of the rotary connecting assembly 2.

As shown in fig. 5, the locking piece protrusion 441 is slidably connected with the driving portion; the driving part comprises a first chute 442 and a second chute 443 arranged on the releasing locking part 43, the inner ends of the first chute 442 and the second chute 443 are communicated and have a 'open' structure facing the front, the locking part protrusion 441 is limited to move in the first chute 442 and the second chute 443, and the locking part 42 locks the rotary connecting assembly 2 when the locking part protrusion 441 is positioned at the inner ends of the first chute 442 and the second chute 443. When the locking piece 43 slides relative to the base 1 in the forward or reverse direction, the locking piece protrusion 441 slides in the chute one 442 or the chute two 443, and because the locking piece protrusion 441 can only move forward and backward along the axial direction of the locking piece 42, the locking piece 42 can withdraw from the corresponding locking hole 41 under the guiding action of the chute one 442 or the chute two 443 no matter the forward or reverse direction operation locking piece 43, and the unlocking of the rotary connecting assembly is realized.

Claims

1. The automobile child safety seat with the adjustable steering angle is characterized by comprising a base (1), a rotary connecting assembly (2) and a seat part (3), wherein the seat part (3) is arranged above the base (1) and is connected with the rotary connecting assembly (2) in a synchronous manner, and the rotary connecting assembly (2) is positioned between the base (1) and the seat part (3) and can rotate 360 degrees relative to the base (1); an adjusting and positioning control mechanism (4) for locking or releasing the rotary connecting assembly (2) relative to the base (1) is arranged between the base (1) and the rotary connecting assembly (2);

the novel seat is characterized in that an angle rotation control mechanism (5) is further arranged between the base (1) and the rotary connecting assembly (2), the angle rotation control mechanism (5) comprises a travel limit groove (51) formed in the base (1) and a limit piece (52) which is slidably arranged on the rotary connecting assembly (2) and can extend into the travel limit groove (51) to enable the limit piece to move inwards, the angle rotation control mechanism (5) further comprises an unlocking piece (53) rotatably arranged on the rotary connecting assembly (2), and when the unlocking piece (53) rotates relative to the rotary connecting assembly (2), the unlocking piece (53) drives the limit piece (52) to move radially relative to the rotary connecting assembly (2) and extend into the travel limit groove (51), so that the seat portion (3) can only rotate to a lateral mode or a backward mode.

2. The automobile child safety seat with adjustable steering angle according to claim 1, characterized in that the two ends of the travel limit groove (51) are provided with limit parts (511) for blocking the limit parts (52), and the seat part (3) is in a lateral mode when the limit parts (52) are abutted against the limit parts (511).

3. An adjustable steering angle child safety seat according to claim 2, characterized in that the central angle between the two limit parts (511) is 180 °.

4. The child car seat with adjustable steering angle according to claim 1, characterized in that the limiting member (52) is provided with a limiting member protrusion (521); the unlocking piece (53) is provided with a driving part, the limiting piece protrusion (521) is connected with the driving part, and when the unlocking piece (53) rotates, the driving part acts on the limiting piece protrusion (521) to link the limiting piece (52) to correspondingly stretch and retract along the radial direction.

5. The child car seat with adjustable steering angle according to claim 4, wherein the stopper projection (521) is slidably connected to the driving part; the driving part is an arc-shaped groove (531) eccentrically arranged on the unlocking part (53), the limiting part protrusion (521) is limited to move in the arc-shaped groove (531), when the limiting part protrusion (521) is located at one end position of the arc-shaped groove (531), the limiting part (52) is driven to extend into the stroke limiting groove (51), and when the limiting part protrusion (521) is located at the other end position of the arc-shaped groove (531), the limiting part (52) is driven to withdraw from the stroke limiting groove (51).

6. The child car seat with adjustable steering angle according to claim 4, wherein the stopper projection (521) is slidably connected to the driving part; the driving part is an arc-shaped groove (531) eccentrically arranged on the unlocking part (53), the limiting part protrusion (521) is limited to move in the arc-shaped groove (531), when the limiting part protrusion (521) is located at the top position or any position of two end points of the arc-shaped groove (531), the limiting part (52) is driven to extend into the stroke limiting groove (51), and when the limiting part protrusion (521) is located at any position or any position of two end points of the arc-shaped groove (531), the limiting part (52) is driven to withdraw from the stroke limiting groove (51).

7. An adjustable steering angle child safety seat according to claim 6, wherein the arcuate slot (531) is semi-circular in configuration.

8. An adjustable steering angle child safety seat according to any one of claims 1-7, characterized in that the swivel connection assembly (2) is provided with a mounting cavity (21) for mounting an unlocking member (53), a guide groove (22) penetrating through the side wall of the mounting cavity (21) is radially arranged on the swivel connection assembly (2) and positioned in the mounting cavity (21), and the limiting member (52) is slidably arranged in the guide groove (22).

9. The automobile child safety seat with adjustable steering angle according to claim 8, characterized in that a supporting step (211) is arranged on the peripheral wall of the installation cavity (21), and an unlocking piece step (532) used for being connected and matched with the supporting step (211) is arranged on the unlocking piece (53).

10. An adjustable steering angle child safety seat according to claim 1, characterized in that the unlocking member (53) and the swivel connection assembly (2) both rotate about the same axis.