CN220410682U

CN220410682U - Child seat

Info

Publication number: CN220410682U
Application number: CN202321389399.8U
Authority: CN
Inventors: 莫益金
Original assignee: Zhongshan Youbei Daily Products Co ltd
Current assignee: Zhongshan Youbei Daily Products Co ltd
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2024-01-30
Anticipated expiration: 2033-06-01

Abstract

The utility model discloses a child seat, which comprises a mounting seat capable of being connected to a child frame, wherein a seat assembly is connected to the mounting seat, a locking structure capable of locking the mounting seat and the child frame is arranged between the mounting seat and the child frame, the locking structure comprises a connecting sheet arranged on the child frame, a locking position is arranged on the connecting sheet, a locking piece capable of being clamped in or separated from the locking position by rotating relative to the locking position is arranged on the seat assembly, a first elastic piece capable of pushing the locking piece to rotate and separate from the locking position is arranged between the locking piece and the seat assembly, an operating piece capable of sliding relative to the locking piece and enabling the locking piece to rotate and separate from the locking position when the locking piece is separated from the seat assembly, and a second elastic piece 5 capable of enabling the operating piece and the locking piece to keep a locking state is arranged between the operating piece and the seat assembly. The utility model aims to overcome the defects of the prior art and provide the child seat with simple locking structure and more convenient unlocking operation.

Description

Child seat

[ field of technology ]

The present utility model relates to a child seat.

[ background Art ]

The child car generally comprises a child car frame and a seat assembly, when the existing seat assembly is installed on the child car frame, a locking structure is needed to lock the child car frame and the seat assembly, the existing locking structure has more parts, the unlocking process is complicated, inconvenience is brought to a user, and the child seat with the novel locking structure is provided.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provide the child seat with simple locking structure and more convenient unlocking operation.

The utility model is realized by the following technical scheme:

the utility model provides a children's seat, includes mount pad 1 that can be connected to children's frame 100, mount pad 1 on be connected with seat assembly 2, mount pad 1 and children's frame 100 between be equipped with the locking structure 3 that can lock the two, locking structure 3 including locating the connection piece 31 on children's frame 100, connection piece 31 on be equipped with locking position 311, seat assembly 2 on be equipped with and can rotate relative and block into or break away from locking position 311's latch member 32, latch member 32 and seat assembly 2 between be equipped with and can promote latch member 32 rotation and break away from locking position 311's first elastic component 33, seat assembly 2 on still be equipped with and can slide and make latch member 32 rotate when separating each other with latch member 32 and break away from locking position 311's operating member 34, operating member 34 and seat assembly 2 between be equipped with can make operating member 34 and latch member 32 keep the second elastic component 35 of locking state.

The locking position 311 is a locking groove formed in the connecting sheet 31, the locking piece 32 comprises a rotating part 321 which is rotationally connected to the seat assembly 2, a clamping hook 322 which can be clamped into the locking groove is arranged on the rotating part 321, a clamping groove 323 which can be clamped with the top of the connecting sheet 31 is arranged on the clamping hook 322, and a pressing surface 3231 which can be pressed by the connecting sheet 31 is arranged at the top of the clamping groove 323.

The upper end of the hook 322 is provided with a convex propping part 324, the operating part 34 is provided with a containing groove 341 capable of containing the propping part 324, and the containing groove 341 is provided with a propping surface 342 capable of propping against the propping part 324.

The seat assembly 2 comprises a seat part 21 rotatably connected to the mounting seat 1, a backrest part 22 capable of rotating relative to the seat part 21 is connected between the seat part 21 and the mounting seat 1, an armrest assembly 23 capable of rotating relative to the seat part 21 is connected between the seat part 21 and the backrest part 22, a first locking structure 4 capable of locking the seat part 21 and the backrest part 22 is arranged between the backrest part 22 and the mounting seat 1, a second locking structure 5 capable of locking the seat part 1, the seat part 21 and the armrest assembly 23 is arranged between the mounting seat 1 and the backrest part 23, and an unlocking part 221 capable of driving the second locking structure 5 to unlock when the seat part 21 rotates and folds relative to the mounting seat 1 so that the seat part 21 and the armrest assembly 23 rotate relative to the mounting seat 1 and are close to the backrest part 22.

The backrest part 22 and the seat part 21 are provided with a plurality of included angle gears, each included angle gear comprises an initial gear and at least one inclined gear with an angle larger than the initial gear, when the seat part 21 is in the inclined gear, the second locking structure 5 locks the mounting seat 1, the seat part 21 and the armrest assembly 23 simultaneously, and when the seat part 21 is in the initial gear, the second locking structure 5 locks the armrest assembly 23 and the seat part 21 and enables the seat part 21 to be unlocked from the mounting seat 1.

The second locking structure 5 comprises a first locking piece 51 movably connected between the seat part 21 and the armrest assembly 23 and simultaneously clamped with the seat part and the armrest assembly 23, a first sliding piece 52 capable of sliding relatively to push the first locking piece 51 to slide and separate from the armrest assembly 23 is arranged between the mounting seat 1, the backrest part 22 and the seat part 21, the first sliding piece 52 is connected with the mounting seat 1 in a clamping manner, a first driving component 521 capable of driving the first sliding piece 52 to slide and separate from the mounting seat 1 when the seat part 21 is folded by the initial gear upwards is arranged on the first sliding piece 52, a second driving component 522 capable of being pushed by the unlocking part 221 to further slide the first sliding piece 52 is also arranged on the first sliding piece 52, a first elastic reset piece 53 capable of resetting the first locking piece 51 is arranged between the first locking piece 51 and the armrest assembly 23, and a second elastic reset piece 54 capable of keeping the first sliding piece 52 clamped with the mounting seat 1 is arranged between the first sliding piece 52 and the seat part 21.

The seat part 21 is also provided with a connecting shaft 211 which extends outwards and stretches into the armrest assembly 23, the backrest part 22, the first locking piece 51 and the first sliding piece 52, a plurality of outwards-protruding positioning parts 2111 are arranged on the connecting shaft 211 along the circumference, the first sliding piece 52 comprises a body 523, and a positioning groove 5231 which can be used for the positioning parts 2111 to be clamped in is formed in the body 523.

A plurality of first protruding blocks 11 protruding outwards are arranged along the circumference of the mounting seat 1, a clamping protrusion 5232 protruding outwards and capable of being clamped into the mounting seat 1 is arranged on the body 523, and a first groove 5233 capable of being clamped by the first protruding blocks 11 is arranged on the clamping protrusion 5232.

The first driving member 521 includes a slant 5211 disposed on the top of the first groove 5233 and capable of being pushed by being engaged with the first protrusion 11 when the seat portion 21 is rotated upward.

The unlocking part 221 is a second bump that is disposed on the backrest part 22 and protrudes inward, the second driving component 522 includes a first step 5221, a second step 5222 and a third step 5223 that are disposed on the main body 523 and are connected with each other, when the second bump abuts against the first step 5221, the mounting seat 1, the seat part 21 and the armrest assembly 23 are simultaneously locked, when the second bump abuts against the second step 5222, the armrest assembly 23 is locked with the seat part 21, and the inclined surface 5211 abuts against the edge 111 of the first bump 11, when the second bump abuts against the third step 5223, the main body 523 can be pushed by the first bump to slide, so that the first locking piece 51 is separated from the seat part 21.

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

1. when the seat assembly is required to be mounted on the mounting seat on the child car frame, the locking piece on the seat assembly is aligned with the connecting piece, then the seat assembly is pressed down, the locking piece is pushed by the connecting piece to rotate relative to the seat assembly, at the moment, the locking piece is clamped into the locking position, the seat assembly is mutually locked with the child car frame, and the locking is firmer.

2. The clamping and locking piece is provided with two different states, an initial state and a locking state, when the clamping and locking piece is in the locking state, the clamping and locking groove on the clamping hook is clamped with the top of the connecting piece, and the lower end part of the clamping hook is clamped into the clamping and locking groove; when the locking piece is in an unlocking state, the rotating part rotates clockwise relative to the seat assembly under the pushing of the first elastic piece, at the moment, the locking hook is separated from the locking groove, and the seat assembly can be detached from the child car frame. When the locking piece is in a locking state, the second elastic piece is in a compression state, and when the locking piece is in an unlocking state, the second elastic piece is reset to be in an original state.

[ description of the drawings ]

FIG. 1 is a perspective view of a child seat of the present utility model;

FIG. 2 is an exploded view of the locking mechanism in the child seat of the present utility model;

FIG. 3 is one of the state diagrams of the child seat of the present utility model with the locking mechanism in the locked position;

FIG. 4 is a second view of the child seat of the present utility model with the locking mechanism in a locked condition;

FIG. 5 is one of the state diagrams of the child seat of the present utility model with the locking mechanism in an unlocked state;

FIG. 6 is a second state diagram of the child seat of the present utility model with the locking mechanism in an unlocked state;

FIG. 7 is one of the perspective views of the latch in the child seat of the present utility model;

FIG. 8 is a second perspective view of the latch structure of the child seat of the present utility model;

FIG. 9 is one of the perspective views of the second locking arrangement in the child seat of the present utility model;

FIG. 10 is a second perspective view of a second locking structure in the child seat of the present utility model;

FIG. 11 is a perspective view of a mount in the child seat of the present utility model;

FIG. 12 is a perspective view of a first slider in the child seat of the present utility model;

FIG. 13 is a perspective view of the back portion of the child seat of the present utility model;

FIG. 14 is a perspective view of a seat portion of the child seat of the present utility model;

FIG. 15 is a perspective view of the armrest assembly in the child seat of the present utility model;

FIG. 16 is a perspective view of a second locking arrangement in the child seat of the present utility model;

fig. 17 is an exploded view of a second locking arrangement in the child seat of the present utility model.

Fig. 18 is a perspective view of the child car frame.

[ detailed description ] of the utility model

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1 to 17, the present utility model provides a child seat, comprising a mounting seat 1 capable of being connected to a child car frame 100, a seat assembly 2 is connected to the mounting seat 1, a locking structure 3 capable of locking the mounting seat 1 and the child car frame 100 is provided between the mounting seat 1 and the child car frame 100, the locking structure 3 comprises a connecting piece 31 provided on the child car frame 100, a locking position 311 is provided on the connecting piece 31, a latch 32 capable of rotating relative to the seat assembly 2 to be snapped into or separated from the locking position 311 is provided on the seat assembly 2, a first elastic member 33 capable of pushing the latch 32 to rotate to be separated from the locking position 311 is provided between the latch 32 and the seat assembly 2, an operating member 34 capable of sliding relative to the latch 32 and enabling the latch 32 to rotate to be separated from the locking position 311 is provided between the operating member 34 and the seat assembly 2, and a second elastic member 35 capable of enabling the operating member 34 to be kept in a latched state with the latch 32 is provided between the operating member 34 and the seat assembly 2.

When the seat assembly 2 is required to be mounted on the mounting seat 1 on the child car frame 100, the locking piece 32 on the seat assembly 2 is aligned with the connecting piece 31, then the seat assembly 2 is pressed down, the locking piece 32 is pushed by the connecting piece 31 to rotate relative to the seat assembly 2, at the moment, the locking piece 32 is clamped into the locking position 311, the seat assembly 2 is mutually locked with the child car frame 100, the locking is firmer, and the locking structure 3 is simple in structure and convenient for unlocking and locking by a large person.

The locking element 32 has two different states, an initial state and a locking state, when the locking element 32 is in the locking state, the locking slot 323 on the locking hook 322 is locked with the top of the connecting sheet 31, and the lower end part of the locking hook 322 is locked into the locking slot; when the latch 32 is in the unlocked state, the rotating portion 321 rotates clockwise relative to the seat assembly 2 under the pushing of the first elastic member 33, and at this time, the hook 322 is disengaged from the latch slot, so that the seat assembly 2 can be detached from the child car frame 100. The second elastic member 35 is in a compressed state when the latch member 32 is in the locked state, and the second elastic member 35 is restored to an original state when the latch member 32 is in the unlocked state.

When the latch 32 is in the locked state, the abutting portion 324 at the upper end of the hook 322 abuts against the abutting surface 342, and the lower end of the latch 32 is abutted against the second elastic member 35, so that the upper end and the lower end of the latch 32 are abutted against each other, and the latch is always in the locked state. When the operating member 34 is pulled to move upwards, the abutting surface 342 gradually disengages from the abutting portion 324 at the upper end of the hook 322, at this time, the upper end of the latch member 32 is not stressed, the lower end of the latch member 32 is pushed by the second elastic member 35 to move upwards, and the latch member 32 is rotated clockwise relative to the seat assembly 2 to be unlocked. When the seat assembly 2 needs to be mounted on the child car frame 100, the seat assembly 2 gradually moves downward relative to the child car frame 100, at this time, the pressing surface 3231 of the latch member 32 gradually contacts with the top surface of the connecting piece 31, and the top surface of the connecting piece 31 pushes the pressing surface 3231 to move upward, so that the latch member 32 rotates counterclockwise, the hook 322 gradually snaps into the latch groove when the latch member 32 rotates counterclockwise, and meanwhile, the propping portion 324 gradually contacts with and butts against the propping surface 342.

The seat assembly 2 comprises a seat part 21 rotatably connected to the mounting seat 1, a backrest part 22 capable of rotating relative to the seat part 21 is connected between the seat part 21 and the mounting seat 1, an armrest assembly 23 capable of rotating relative to the seat part 21 is connected between the seat part 21 and the backrest part 22, a first locking structure 4 capable of locking the seat part 21 and the backrest part 22 is arranged between the backrest part 22 and the mounting seat 1, a second locking structure 5 capable of locking the seat part 1, the seat part 21 and the armrest assembly 23 is arranged between the mounting seat 1 and the backrest part 23, and an unlocking part 221 capable of driving the second locking structure 5 to unlock when the seat part 21 rotates and folds relative to the mounting seat 1 so that the seat part 21 and the armrest assembly 23 rotate relative to the mounting seat 1 and are close to the backrest part 22. When the child seat needs to be folded, the seat part 21 is lifted upwards, the seat part 21 rotates relative to the mounting seat 1, the unlocking part 211 on the backrest part 22 can drive the second locking structure 5 to unlock when the seat part 21 rotates upwards, the seat part 21 and the armrest assembly 23 are unlocked, the seat part 21 and the armrest assembly 23 can rotate upwards to be folded towards the backrest part 22, the whole child seat is folded when the seat part 21, the armrest assembly 23 and the backrest part 22 are folded towards each other, and the folding of the whole child seat can be completed only by rotating the seat part 21 upwards, so that convenience is brought, and a child can be folded by a large person even holding the child.

The backrest part 22 and the seat part 21 are provided with a plurality of included angle gears, each included angle gear comprises an initial gear and at least one inclined gear with an angle larger than the initial gear, when the seat part 21 is in the inclined gear, the second locking structure 5 locks the mounting seat 1, the seat part 21 and the armrest assembly 23 simultaneously, and when the seat part 21 is in the initial gear, the second locking structure 5 locks the armrest assembly 23 and the seat part 21 and enables the seat part 21 to be unlocked from the mounting seat 1. When the first locking structure 4 is unlocked, the backrest portion 22 can rotate relative to the mounting seat 1 to adjust the gear of the included angle between the backrest portion and the seat portion 21. The backrest 22 is in a vertical state or is inclined rearward and nearly vertical state when the backrest 22 and the seat 21 are in the initial gear. The angle at which the backrest 22 is inclined rearward when the backrest 22 and the seat 21 are in the inclined position is greater than the angle at which the backrest 22 and the seat 21 are in the initial position. The seat portion 21 is rotatable relative to the back portion 22 and the armrest assembly 23 to rotate toward the back portion 22 when the back portion 22 is in the initial gear position.

The second locking structure 5 comprises a first locking piece 51 movably connected between the seat part 21 and the armrest assembly 23 and simultaneously clamped with the seat part and the armrest assembly 23, a first sliding piece 52 capable of sliding relatively to push the first locking piece 51 to slide and separate from the armrest assembly 23 is arranged between the mounting seat 1, the backrest part 22 and the seat part 21, the first sliding piece 52 is connected with the mounting seat 1 in a clamping manner, a first driving component 521 capable of driving the first sliding piece 52 to slide and separate from the mounting seat 1 when the seat part 21 is folded by the initial gear upwards is arranged on the first sliding piece 52, a second driving component 522 capable of being pushed by the unlocking part 221 to further slide the first sliding piece 52 is also arranged on the first sliding piece 52, a first elastic reset piece 53 capable of resetting the first locking piece 51 is arranged between the first locking piece 51 and the armrest assembly 23, and a second elastic reset piece 54 capable of keeping the first sliding piece 52 clamped with the mounting seat 1 is arranged between the first sliding piece 52 and the seat part 21. When the backrest part 22 rotates backwards from the initial gear to the inclined gear relative to the mounting seat 1, the first sliding part 52 is clamped and fixed with the seat part 21 and the mounting seat 1 at the same time, at this time, the first sliding part 52 locks the mounting seat 1 and the seat part 21, the first locking part 51 locks the seat part 21 and the armrest assembly 23, and the mounting seat 1, the seat part 21 and the armrest assembly 23 are locked at the same time, so that the safety is improved. When the seat portion 21 rotates upward, the first driving member 521 and the second driving member 522 cooperate to enable the first slider 52 to slide reversely relative to the armrest assembly 23, the first slider 52 is separated from the mounting seat 1, and the first slider 52 also ejects the first locking member 51 from the armrest assembly 23 to separate the first locking member 51 from the armrest assembly 23, so that the seat portion 21 can rotate relative to the armrest assembly 23 and drive the armrest assembly 23 to rotate upward to fold with the backrest portion 22.

The seat part 21 is also provided with a connecting shaft 211 which extends outwards and stretches into the armrest assembly 23, the backrest part 22, the first locking piece 51 and the first sliding piece 52, a plurality of outwards-protruding positioning parts 2111 are arranged on the connecting shaft 211 along the circumference, the first sliding piece 52 comprises a body 523, and a positioning groove 5231 which can be used for the positioning parts 2111 to be clamped in is formed in the body 523. The body 523 is engaged with the connection shaft 211 through the positioning groove 5231, so that the entire first slider 52 rotates along with the rotating seat portion 21 when the seat portion 21 rotates. When the body 523 is pressed to the top, the body can slide along the connecting shaft 211 to push the first locking member 51 to slide laterally.

A plurality of first protruding blocks 11 protruding outwards are arranged along the circumference of the mounting seat 1, a clamping protrusion 5232 protruding outwards and capable of being clamped into the mounting seat 1 is arranged on the body 523, and a first groove 5233 capable of being clamped by the first protruding blocks 11 is arranged on the clamping protrusion 5232. The first groove 5233 and the positioning groove 5231 may be the same through groove, or may be provided with a groove wall for blocking, so as to limit the travel.

The first driving member 521 includes a slant 5211 disposed on the top of the first groove 5223 and capable of being pushed by being engaged with the first protrusion 11 when the seat portion 21 is rotated upward. The inclined surface 5211 can be engaged with the first projection 11 to move the body 523 when the seat portion 21 is rotated upward, and the inclined surface 5211 can be provided to avoid the first slider 52 from being jammed when the seat portion 21 is rotated upward.

The unlocking part 221 is a second bump that is disposed on the backrest part 22 and protrudes inward, the second driving component 522 includes a first step 5221, a second step 5222 and a third step 5223 that are disposed on the main body 523 and are connected with each other, when the second bump abuts against the first step 5221, the mounting seat 1, the seat part 21 and the armrest assembly 23 are simultaneously locked, when the second bump abuts against the second step 5222, the armrest assembly 23 is locked with the seat part 21, and the inclined surface 5211 abuts against the edge 111 of the first bump 11, when the second bump abuts against the third step 5223, the main body 523 can be pushed by the first bump to slide, so that the first locking component 51 is separated from the armrest assembly 23.

When the backrest portion 22 rotates from the initial gear to the inclined gear relative to the mounting seat 1, the first bump follows the backrest portion 21 to rotate, at this time, the first bump moves from the second step 5222 to the first step 5221 and abuts against the first step 5221, and since the first step 5221 is located at the rear side of the second step 5222, the second elastic member 54 pushes the body 522 forward for a distance, so that the first groove 5233 on the body 522 is engaged with the first bump 11 on the mounting seat 1, at this time, the body 522 locks the mounting seat 1 and the seat portion 21, the first locking member 51 locks the seat portion 21 and the armrest assembly 23, and the mounting seat 1, the seat portion 21 and the armrest assembly 23 are simultaneously locked.

When the backrest 22 rotates forward from the inclined position to the initial position relative to the mounting seat 1, the first bump follows the backrest 22 to rotate, at this time, the first bump moves from the first step 5221 to the second step 5222 and abuts against the second step 5222, and since the second step 5222 is located at the front side of the first step 5221, the first bump pushes the body 522 to move backward for a distance, the second elastic member 54 is compressed when the body 522 moves, and the first groove 5233 on the body 522 slides backward to make the inclined surface 5211 on the body 522 abut against the edge 111 of the first bump 11.

When the seat portion 21 is folded up, the inclined surface 5211 on the body 522 and the edge 111 of the first projection 11 are abutted against each other, the body 522 is pushed against and moved backward for a distance, at this time, the top surface of the body 522 gradually abuts against the top surface of the first projection 11, and the body 522 follows the seat portion 21 to move the first projection from the second step 5222 to the third step 5223, the third step 5223 is located at the front side of the second step 5222, the body 522 is further moved backward to gradually abut against the first locking member 51 and disengage the first locking member 51 from the armrest assembly 23 and fully enter the seat portion 21, at this time, the seat portion 21 and the armrest assembly 23 can be rotated up to fold close to the backrest portion 22.

The first slider 52 is a spline, a first cavity 200 in which the first slider 52 can slide is enclosed between the seat 21 and the armrest assembly 23, a first spline groove 212 is provided on the seat 21, a second spline groove 231 is provided on the armrest assembly 23, and the first slider 52 is simultaneously engaged and fixed with the first spline groove 212 and the second spline groove 231 through the first elastic restoring member 53. The armrest assembly 23 and the seat portion 21 are rotatably folded when the first slider 52 is disengaged from the first spline groove 212 on the seat portion 21 and fully received within the second spline groove 231.

The armrest assembly 23 includes an armrest base 232 rotatably coupled to the seat portion 21, and a laterally extending armrest rod 233 is coupled to the armrest base 232. The grab bar 233 can be pushed by the seat portion 21 and folded toward the backrest portion 22.

As shown in fig. 11, 16 and 17, the first locking structure 4 includes a first locking position 41 disposed on the mounting seat 1 and along a circumferential direction of the mounting seat 1 and corresponding to an initial gear, the mounting seat 1 is further provided with a second locking position 42 corresponding to an inclined gear, the backrest portion 22 is provided with a first locking member 43 capable of sliding relative to the first locking position 41 or the second locking position 42 to be respectively locked or unlocked, the backrest portion 22 is further provided with an operating member 44, a cable 45 capable of driving the first locking member 43 to be disengaged from the first locking position 41 or the second locking position 42 when the operating member 44 is operated is disposed between the first locking member 43 and the operating member 44, and a first elastic element 46 capable of enabling the first locking member 43 to be kept locked in the first locking position 41 or the second locking position 42 is disposed between the first locking member 43 and the backrest portion 22. When the gear of the included angle of the backrest 22 relative to the seat 21 needs to be adjusted, the operating member 44 is pulled, the pulling rope 45 is pulled after the operating member 44 is operated, the pulling rope 45 moves upwards and pulls the first locking member 43 to be separated from the first locking position 41, at this time, the backrest 22 and the mounting seat 1 are unlocked, when the backrest 22 rotates backwards to correspond to the second locking position 42, the operating member 44 is released, at this time, the first elastic element 46 pushes the first locking member 43 to reset, and the first locking member 43 is clamped into the second locking position 42 again to lock the backrest 22 and the mounting seat 1 again.

Claims

1. A child seat, characterized in that: including mount pad (1) that can be connected to on children's carriage (100), mount pad (1) on be connected with seat subassembly (2), mount pad (1) and children's carriage (100) between be equipped with locking structure (3) that can lock the two, locking structure (3) including locating connection piece (31) on children's carriage (100), connection piece (31) on be equipped with locking position (311), seat subassembly (2) on be equipped with can rotate relative and block into or break away from latch (32) of locking position (311), latch (32) and seat subassembly (2) between be equipped with first elastic component (33) that can promote latch (32) and rotate and break away from locking position (311), seat subassembly (2) on still be equipped with can slide relative and make latch (32) rotate and break away from operating piece (34) of locking position (311) when separating each other with latch (32), operating piece (34) and seat subassembly (2) between be equipped with and make latch (34) and second elastic component (35) that can make latch (32) keep.

2. The child seat according to claim 1, wherein: the locking position (311) is a clamping groove formed in the connecting sheet (31), the clamping piece (32) comprises a rotating part (321) which is rotationally connected to the seat assembly (2), a clamping hook (322) which can be clamped into the clamping groove is arranged on the rotating part (321), a clamping groove (323) which can be clamped with the top of the connecting sheet (31) is formed in the clamping hook (322), and a pressing surface (3231) which can be used for pressing the connecting sheet (31) is arranged at the top of the clamping groove (323).

3. The child seat according to claim 2, wherein: the upper end of the clamping hook (322) is provided with a convex propping part (324), the operating piece (34) is provided with a containing groove (341) which can contain the propping part (324) to prop against, and the containing groove (341) is provided with a propping surface (342) which can prop against the propping part (324).

4. The child seat according to claim 1, wherein: the seat assembly (2) comprises a seat part (21) which is rotatably connected to a mounting seat (1), a backrest part (22) which can rotate relative to the seat part (21) is connected between the seat part (21) and the mounting seat (1), an armrest assembly (23) which can rotate relative to the backrest part (22) is connected between the seat part (21) and the backrest part (21), a first locking structure (4) which can lock the seat part (21) and the backrest part (22) is arranged between the backrest part (22) and the mounting seat (1), a second locking structure (5) which can lock the seat part (1), the seat part (21) and the armrest assembly (23) is arranged between the seat part (21) and the armrest assembly (23), and the backrest part (22) is also provided with an unlocking part (221) which can drive the second locking structure (5) to unlock when the seat part (21) is rotated and folded relative to the mounting seat (1) so as to enable the seat part (21) and the armrest assembly (23) to rotate relative to the mounting seat (1) and unlock the backrest part (22).

5. The child seat according to claim 4, wherein: the backrest is characterized in that a plurality of included angle gears are arranged between the backrest (22) and the seat (21), each included angle gear comprises an initial gear and at least one inclined gear with an angle larger than the initial gear, when the seat (21) is in the inclined gear, the second locking structure (5) locks the mounting seat (1), the seat (21) and the armrest assembly (23) simultaneously, and when the seat (21) is in the initial gear, the second locking structure (5) locks the armrest assembly (23) with the seat (21) and enables the seat (21) to be unlocked from the mounting seat (1).

6. The child seat according to claim 5, wherein: the second locking structure (5) comprises a first locking piece (51) movably connected between the seat part (21) and the armrest assembly (23) and simultaneously clamped with the seat part and the armrest assembly, a first sliding piece (52) capable of sliding relatively to push the first locking piece (51) to slide and separate from the armrest assembly (23) is arranged between the mounting seat (1), the backrest part (22) and the seat part (21), the first sliding piece (52) is connected with the mounting seat (1) in a mutually clamping manner, a first driving part (521) capable of driving the first sliding piece (52) to slide and separate from the mounting seat (1) when the seat part (21) is rotated and folded upwards by an initial gear is arranged on the first sliding piece (52), a second driving part (522) capable of being pushed by an unlocking part (221) to enable the first sliding piece (52) to slide further is arranged on the first sliding piece (52), and an elastic reset piece (53) capable of enabling the first sliding piece (51) to reset is arranged between the first sliding piece (51) and the armrest assembly (23), and the first sliding piece (52) to enable the first sliding piece (52) to be kept to be elastically reset.

7. The child seat according to claim 4, wherein: the seat part (21) on be equipped with still be equipped with outwards extend and stretch into connecting axle (211) in handrail subassembly (23), back portion (22), first locking piece (51) and first slider (52), be equipped with a plurality of outside convex location portion (2111) along the circumference on connecting axle (211), first slider (52) include body (523), body (523) on be equipped with constant head tank (5231) that can supply location portion (2111) card to go into.

8. The child seat according to claim 7, wherein: the mounting seat (1) circumference be equipped with a plurality of outwards convex first lug (11), body (523) on be equipped with outwards protrusion and can block joint protruding (5232) in mount pad (1), joint protruding (5232) on be equipped with first recess (5233) that can supply first lug (11) card to go into.

9. The child seat according to claim 6, wherein: the first driving part (521) comprises an inclined surface (5211) which is arranged at the top of the first groove (5233) and can be matched and pushed with the first lug (11) when the seat part (21) rotates upwards.

10. The child seat according to claim 9, wherein: the unlocking part (221) is a second bump which is arranged on the backrest part (22) and protrudes inwards, the second driving part (522) comprises a first step (5221), a second step (5222) and a third step (5223) which are arranged on the body (523) and are mutually connected, when the second bump and the first step (5221) are mutually propped, the three parts of the mounting seat (1), the seat part (21) and the armrest assembly (23) are simultaneously locked, when the second bump and the second step (5222) are mutually propped, the armrest assembly (23) and the seat part (21) are locked, and the inclined plane (5211) and the edge (111) of the first bump (11) are mutually propped, and when the second bump and the third step (5223) are mutually propped, the body (523) can be slid by the first bump so that the first locking piece (51) is separated from the seat part (21).