CN219115293U

CN219115293U - Child safety seat

Info

Publication number: CN219115293U
Application number: CN202223034228.1U
Authority: CN
Inventors: 邢孔誉
Original assignee: Zhongshan Baosheng Infant And Children Supplies Co ltd
Current assignee: Zhongshan Baosheng Infant And Children Supplies Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-06-02
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a child safety seat, which comprises a base, wherein a seat body is connected to the base, a gear adjusting mechanism capable of adjusting the gear of an included angle between the seat body and the base is arranged between the seat body and the base, a reversing mechanism is also arranged between the seat body and the base, and when the seat body is adjusted to the gear of the maximum included angle relative to the base, the gear adjusting mechanism is continuously acted, so that the seat body can rotate and reverse relative to the base. The utility model aims to overcome the defects of the prior art and provides a child safety seat capable of adjusting gears and reversing rotation by one key.

Description

Child safety seat

[ field of technology ]

The utility model relates to the field of automobile traffic safety articles for children passengers, in particular to a child safety seat.

[ background Art ]

The adjusting structure of the existing child safety seat with the bulletin number of CN107499202A comprises a seat body and a base, wherein an inclination adjusting mechanism is arranged between the seat body and the base, the base comprises a base body, a guide rail part is arranged on the inner side of the base body, a plurality of positioning grooves are formed in the guide rail part, the inclination adjusting mechanism comprises the guide rail part, a connecting seat and a movable seat, the connecting seat is fixedly connected with the bottom of the seat body, and the movable seat is movably arranged at the bottom of the seat body back and forth; the movable seat is connected with the connecting seat through a positioning rod, the movable seat is pulled to move back and forth, the positioning rod can move up and down on the connecting seat, two sides of the positioning rod are matched with the positioning groove, and the positioning rod can be separated from the positioning groove when moving upwards; the seat body includes a cushion portion and a backrest portion. The positioning rod is driven to move up and down through the movable seat, when the positioning rod is separated from the positioning groove, the cushion part can move relative to the base, and the cushion part is matched with the guide rail part through the cambered surface, so that the inclination angle of the seat can be adjusted when the cushion part moves along the cambered surface of the guide rail part.

The utility model provides a but children's safety seat ISOFIX mounting structure of back and forth switching-over of current bulletin number CN106965717A includes children's safety seat, base and ISOFIX subassembly, children's safety seat fixed mounting is directly over the base, ISOFIX subassembly is total two, installs the left and right sides below the base respectively, ISOFIX subassembly includes ISOFIX frame, be located ISOFIX frame rear end vertical setting's rotation axis, be located ISOFIX frame middle part left and right sides limit bracket, ISOFIX subassembly passes through the rotation axis and installs in the middle part of base, and every ISOFIX subassembly is equipped with two elastic locking mechanisms, and two elastic locking mechanisms are at the interval symmetry setting around the below of base, and when ISOFIX subassembly took the rotation axis as the center, outside horizontal rotation to just front position or just back position, ISOFIX subassembly cooperates through one of them limit bracket and one of them elastic locking mechanism respectively and realizes the locking. When the ISOFIX assembly horizontally rotates to a forward position towards the outside by taking the rotating shaft as the center, the ISOFIX assembly is matched with one of the elastic locking mechanisms through one of the limiting brackets to realize locking; when the ISOFIX assembly takes the rotary shaft as the center, the ISOFIX assembly horizontally rotates to the reverse position towards the outer side, and the ISOFIX assembly is matched with another elastic locking mechanism through another limiting support to realize locking.

These two patents have realized respectively that the gear of children's safety seat's seat and base is adjusted and the switching-over between seat and the base is adjusted, but the structural setting of these two regulations is separately, only can carry out gear adjustment or switching-over regulation after the unblock is carried out in different positions, therefore the adult is very troublesome in the operation when needs carry out switching-over operation and gear adjustment simultaneously, and the narrow and small space of car back row seat is also inconvenient for the adult to operate for whole operation is comparatively loaded down with trivial details and the operation is very inconvenient.

The present utility model has been developed in response to the above-described drawbacks.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provides a child safety seat capable of adjusting gears and reversing rotation by one key.

The utility model is realized by the following technical scheme:

the utility model provides a child safety seat, includes base 1, base 1 on be connected with seat body 2, seat body 2 and base 1 between be equipped with the gear adjustment mechanism 3 that can adjust contained angle gear between the two, seat body 2 and base 1 between still be equipped with reversing mechanism 4, and when seat body 2 adjusts to the biggest contained angle gear relative base 1, continue to act on gear adjustment mechanism 3 can make seat body 2 can rotate the switching-over relative base 1.

The gear adjusting mechanism 3 can enable the range of the inclined included angle between the seat body 2 and the base 1 to be 0-14 degrees.

The gear adjusting mechanism 3 can enable the included angle gear of the seat body 2 which is adjusted relative to the base 1 to comprise an original included angle gear, a first included angle gear, a second included angle gear and a maximum included angle gear.

The reversing mechanism 4 can enable the seat body 2 to rotate between 0 and 360 degrees relative to the base 1, and the reversing gear which can enable the seat body 2 to adjust relative to the base 1 comprises an original reversing gear, a first reversing gear, a second reversing gear and a third reversing gear.

The gear adjusting mechanism 3 comprises a gear adjusting hole 31 which is arranged on the reversing mechanism 4 and can correspond to each included angle gear, the seat body 2 is connected with an unlocking handle 32 which can slide back and forth relative to the unlocking handle, the seat body 2 is internally provided with a clamping piece 33 which can slide relative to the seat body and is clamped in or separated from the gear adjusting hole 31, the clamping piece 33 and the seat body 2 are provided with a first elastic piece 34 which can enable the clamping piece 33 to reset, a second elastic piece 35 which can enable the unlocking handle 32 to reset is arranged between the unlocking handle 32 and the seat body 2, and the gear adjusting hole 31 comprises a first gear adjusting hole 311, a second gear adjusting hole 312, a third gear hole 313 and a fourth gear adjusting hole 314 which can respectively correspond to the original included angle gear, the first included angle gear, the second included angle gear and the maximum included angle gear.

The clamping piece 33 comprises a clamping pin 331 which is connected in the seat body 2 in a sliding manner, the clamping pin 331 is provided with a protrusion 332 which extends upwards and is clamped into the unlocking handle 32, the unlocking handle 32 comprises a handle body 321 and an extension portion 322 which is connected to the handle body 321 and extends backwards, the extension portion 322 is provided with a sliding groove 3221 for the clamping pin 331 to slide in, the extension portion 322 is provided with a pressing inclined sliding groove 3222 for the protrusion 332 to slide in, and the protrusion 332 is pressed when the unlocking handle 32 slides so that the clamping pin 331 is separated from the gear adjusting hole 31.

The reversing mechanism 4 comprises a rotary table 41 rotatably connected to the base 1, the base 1 is provided with a plurality of reversing positioning holes 42 corresponding to each reversing gear, the rotary table 41 is provided with a clamping piece 43 capable of transversely sliding relative to the rotary table to be clamped into or separated from the reversing positioning holes 42, the unlocking handle 32 is provided with a propping surface 44 capable of propping against the clamping piece 43 to enable the clamping piece 43 to be locked in the reversing positioning holes 42 when the seat body 2 is in an original included angle gear, a first included angle gear, a second included angle gear and a maximum included angle gear, and a third elastic piece 45 capable of pushing the clamping piece 43 to slide relative to the clamping piece 43 to enable the clamping piece 43 to be separated from the reversing positioning holes 42 is arranged between the clamping piece 43 and the rotary table 41, and the unlocking handle 32 is provided with a groove 46 capable of allowing the clamping piece 43 to be separated from the reversing positioning holes 42 when the seat body 2 is adjusted to the maximum included angle gear relative to the base 1 and the unlocking handle 32 is continuously pulled to slide.

The engaging member 43 includes a first pin 431 capable of sliding transversely relative to the turntable 41, a second pin 432 vertically disposed on the first pin 431, and two ends of the third elastic member 45 respectively abut against the second pin 432 and a wall surface of the turntable 41.

The base 1 is provided with a connecting seat 11 protruding upwards and extending into the rotary table 41, a plurality of reversing positioning holes 42 are formed in the connecting seat 11, and the rotary table 41 is provided with a clamping slot 411 for clamping the connecting seat 11.

The turntable 41 comprises a rotating seat 412 connected to the base 1 and a connecting sheet 413 connected to the base 1, a first cross rod 5 transversely penetrating through the connecting sheet 413 is arranged on the seat body 2, a first limit groove 4131 capable of enabling the first cross rod 5 to slide in is formed in the connecting sheet 413, a second cross rod 6 transversely arranged is arranged among the seat body 2, the connecting sheet 413 and the unlocking handle 32, the connecting sheet 413 can enable the second cross rod 6 to slide in the second limit groove 4132, a third limit groove 323 capable of enabling the second cross rod 6 to slide in is further formed in the unlocking handle 32, and a surface pushing 3231 capable of pushing the second cross rod 6 to slide in the second limit groove 4132 when the unlocking handle 32 is pulled is arranged on the third limit groove 323.

Compared with the prior art, the utility model has the following advantages: when the child safety seat is used, the child safety seat is mounted on the seat of the automobile, when the child safety seat is required to be reversed, the seat body is firstly adjusted to the maximum included angle gear relative to the base through the gear adjusting mechanism, then the gear adjusting mechanism is continuously operated to move, when the gear adjusting mechanism moves to the right position, the reversing mechanism is unlocked, the seat body can rotate relative to the base at the moment, the whole reversing operation is unnecessary to detach the seat body from the base, only the gear adjusting mechanism is required to be operated to be movably unlocked, the operation is quite convenient, and when the gear adjusting mechanism is reversely adjusted and reset from the maximum included angle gear, the seat body and the base can be locked again, at the moment, the seat body cannot rotate relative to the base, the secondary locking effect is achieved, the child safety seat is safer, and when the reversing mechanism rotates the seat body to the back from the front direction by 180 degrees from the original reversing gear, the child safety seat is the safest and comfortable use angle in the field, and the use requirement is satisfied by the child safety seat, and the reversing operation is unnecessary to be carried out.

[ description of the drawings ]

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

FIG. 2 is an exploded view of the child safety seat of the present utility model;

FIG. 3 is a perspective view of the seat body and gear adjustment mechanism of the child safety seat of the present utility model;

FIG. 4 is a perspective view of a gear adjustment mechanism and a reversing mechanism in the child safety seat of the present utility model;

FIG. 5 is an exploded view of the gear adjustment mechanism in the child safety seat of the present utility model;

FIG. 6 is a side view of a turntable in the child safety seat of the present utility model;

FIG. 7 is a perspective view of the reversing mechanism and the base of the child safety seat of the present utility model;

FIG. 8 is an exploded view of the reversing mechanism and the base of the child safety seat of the present utility model;

FIG. 9 is a schematic view of the reversing mechanism of the child safety seat of the present utility model after the reversing mechanism has been rotated relative to the base;

FIG. 10 is a cross-sectional view of the reversing mechanism of the child safety seat of the present utility model in a locked state;

FIG. 11 is an enlarged view of area A of FIG. 10;

FIG. 12 is a cross-sectional view of the reversing mechanism in the child safety seat of the present utility model in an unlocked state;

FIG. 13 is an enlarged view of area B of FIG. 12;

FIG. 14 is an exploded view of the reversing mechanism in the child safety seat of the present utility model;

FIG. 15 is a perspective view of the reversing mechanism of the child safety seat of the present utility model in a locked state;

FIG. 16 is an enlarged view of area C of FIG. 15;

FIG. 17 is a perspective view of the reversing mechanism of the child safety seat of the present utility model in an unlocked state;

FIG. 18 is an enlarged view of region D of FIG. 17;

FIG. 19 is a state diagram of the child safety seat of the present utility model in an original angular range and an original reverse range state;

FIG. 20 is a state diagram of the child safety seat of the present utility model in a first angular gear state;

FIG. 21 is a state diagram of the child safety seat of the present utility model in a second angular gear state;

FIG. 22 is a state diagram of the child safety seat of the present utility model in a maximum angle gear state;

FIG. 23 is a state diagram of the child safety seat of the present utility model in a maximum angle gear and a first reverse gear state;

FIG. 24 is a state diagram of the child safety seat of the present utility model in a maximum angle gear and a second reverse gear state;

fig. 25 is a state diagram of the child safety seat of the present utility model in a maximum angle gear and a third reverse gear state.

[ 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 25, the utility model provides a child safety seat, which comprises a base 1, wherein a seat body 2 is connected to the base 1, a gear adjusting mechanism 3 capable of adjusting the gear of an included angle between the seat body 2 and the base 1 is arranged between the seat body 2 and the base 1, a reversing mechanism 4 is also arranged between the seat body 2 and the base 1, and when the seat body 2 is adjusted to the gear of the maximum included angle relative to the base 1, the gear adjusting mechanism 3 is continuously acted so that the seat body 2 can be rotationally reversed relative to the base 1.

When the child safety seat is used, the child safety seat is mounted on the seat of the automobile, when the child safety seat is required to be reversed, the seat body 2 is adjusted to the maximum included angle gear relative to the base 1 through the gear adjusting mechanism 3, then the gear adjusting mechanism 3 is continuously operated to move, when the gear adjusting mechanism 3 moves to the right position, the reversing mechanism 4 is unlocked, at the moment, the seat body 2 can be rotated and reversed relative to the base 1, the whole reversing operation is unnecessary to detach the seat body 2 from the base 1, only the gear adjusting mechanism 3 is required to be operated to be movably unlocked, the operation is quite convenient, and when the gear adjusting mechanism 3 is adjusted to reversely reset from the maximum included angle gear, the seat body 2 and the base 1 can be locked again, at the moment, the seat body 2 cannot be rotated and reversed relative to the base 1, the effect of secondary locking is achieved, the reversing mechanism is safer, and the seat body is rotated and is the safest and comfortable in use angle in the safety seat field when the reversing mechanism rotates and adjusts the seat body by 180 degrees from the original reversing gear to the front direction to the rear direction, and the reversing requirement of the safety seat is unnecessary to be used again.

As shown in fig. 6 and 19 to 22, the gear adjusting mechanism 3 can enable the inclination included angle between the seat body 2 and the base 1 to be in the range of 0-14 degrees. The seat body 2 can be adjusted to an inclination angle of between 0 deg. and 14 deg. with respect to the base 1.

As shown in fig. 6 and fig. 19 to 22, the gear adjusting mechanism 3 can enable the included angle gear of the seat body 2 adjusted relative to the base 1 to include an original included angle gear, a first included angle gear, a second included angle gear, and a maximum included angle gear. The included angle gears of the seat body 2 which is adjusted relative to the base 1 are four, so that the child can conveniently adjust between sitting and leaning.

As shown in fig. 9 and 23 to 25, the reversing mechanism 4 can enable the seat body 2 to rotate relative to the base 1 within a range of 0-360 degrees, the reversing mechanism 4 can enable the reversing gear of the seat body 2 to be adjusted relative to the base 1 to comprise an original reversing gear, a first reversing gear, a second reversing gear and a third reversing gear, and the angle span between the reversing gears is 90 degrees. When the seat body 2 and the base 1 are in the original reversing gear, the seat body 2 faces forward, when the seat body 2 and the base 1 are moved from the original reversing gear to the first reversing gear, the seat body 2 rotates and reverses relative to the base 1 to face right, when the seat body 2 and the base 1 are moved from the first reversing gear to the second reversing gear, the seat body 2 rotates and reverses relative to the base 1 to face backward, and when the seat body 2 and the base 1 are moved from the second reversing gear to the third reversing gear, the seat body 2 rotates and reverses relative to the base 1 to face left. Four positions between the seat body 2 and the base 1 can be kept, and the use is more convenient.

As shown in fig. 3 to 8, the gear adjusting mechanism 3 includes a plurality of gear adjusting holes 31 which are formed in the reversing mechanism 4 and can correspond to each included angle gear, the seat body 2 is connected with an unlocking handle 32 which can slide back and forth relative to the unlocking handle, the seat body 2 is internally provided with a clamping piece 33 which can slide relative to the seat body and is clamped in or separated from the gear adjusting hole 31, the clamping piece 33 and the seat body 2 are provided with a first elastic piece 34 which can enable the clamping piece 33 to reset, a second elastic piece 35 which can enable the unlocking handle 32 to reset is arranged between the unlocking handle 32 and the seat body 2, and the gear adjusting hole 31 includes a first gear adjusting hole 311, a second gear adjusting hole 312, a third gear adjusting hole 313 and a fourth gear adjusting hole 314 which can respectively correspond to the original included angle gear, the second included angle gear, and the maximum included angle gear. When the seat body 2 needs to be adjusted in the gear of the included angle relative to the base 1, the unlocking handle 32 is pulled, the locking piece 33 is driven to transversely slide relative to the unlocking handle 32 when the unlocking handle 32 is pulled, at this time, the locking piece 33 is gradually separated from the first gear adjusting hole 311, the second gear adjusting hole 312, the third gear adjusting hole 313 or the fourth gear adjusting hole 313, at this time, the seat body 2 can slide relative to the base 1 and the reversing mechanism 4 to adjust the gear of the included angle, when the seat body 2 rotates relative to the base 1 to be in place, the unlocking handle 32 is released, the second elastic piece 35 pulls the unlocking handle 32 to reset, and in the process of resetting the unlocking handle 32, the first elastic piece 34 pushes the locking piece 33 to enable the locking piece 33 to be locked into the second gear adjusting hole 312, the third gear adjusting hole 313, the fourth gear adjusting hole 313 or the first gear adjusting hole 311 again, at this time, the seat body 2 cannot slide relative to the base 1 to adjust the gear of the included angle.

As shown in fig. 3 to 8, the locking member 33 includes a locking pin 331 slidably connected to the seat body 2, the locking pin 331 is provided with a protrusion 332 extending upward and locked into the unlocking handle 32, the unlocking handle 32 includes a handle body 321 and an extension portion 322 connected to the handle body 321 and extending backward, the extension portion 322 is provided with a sliding groove 3221 for sliding the locking pin 331, and the extension portion 322 is provided with a pushing inclined sliding groove 3222 for sliding the protrusion 332 and pushing the protrusion 332 when the unlocking handle 32 slides so that the locking pin 331 is separated from the gear adjusting hole 31. When the handle body 321 is pulled, the extension part 322 slides along with the handle body 321, at this time, the pressing inclined chute 3222 on the handle body 321 presses the protrusion 332, so that the protrusion 332 slides in the pressing inclined chute 3222, and the protrusion 332 drives the bayonet 331 to slide when sliding, so that the bayonet 331 is separated from the gear adjusting hole 31, and unlocking is completed. The lock pin 331 is disposed in the seat body 2 and penetrates into the chute 3221.

As shown in fig. 9 to 18, the reversing mechanism 4 includes a turntable 41 rotatably connected to the base 1, the base 1 is provided with a plurality of reversing positioning holes 42 corresponding to each reversing gear, the turntable 41 is provided with a clamping piece 43 capable of sliding transversely relative to the turntable to be clamped in or separated from the reversing positioning holes 42, the unlocking handle 32 is provided with a propping surface 44 capable of propping against the clamping piece 43 to keep the clamping piece 43 locked in the reversing positioning holes 42 when the seat body 2 is in an original included angle gear, a first included angle gear, a second included angle gear and a maximum included angle gear, and a third elastic piece 45 capable of pushing the clamping piece 43 to slide relative to the clamping piece 43 to be separated from the reversing positioning holes 42 is provided between the clamping piece 43 and the turntable 41, and the unlocking handle 32 is provided with a groove 46 capable of yielding the clamping piece 43 to be separated from the reversing positioning holes 42 when the seat body 2 is adjusted to the maximum included angle gear relative to the base 1 and the unlocking handle 32 is continuously pulled to slide. The front end portion of the engaging member 43 is inserted into the reversing positioning hole 42 when in the locked state, and the rear end portion extends out of the rotary table 41 and abuts against an abutment surface 44 on the unlocking handle 32. When the seat body 2 needs to be rotationally reversed, the seat body 2 is firstly adjusted to the maximum included angle gear position relative to the base 1 through the gear position adjusting mechanism 3, at this time, the clamping piece 33 is clamped into the fourth gear position adjusting hole 313 to be locked, then the unlocking handle 32 is continuously pulled to slide, the clamping piece 33 is separated from the top leaning surface 44 and is gradually aligned with the yielding groove 46 when the unlocking handle 32 slides, the clamping piece 43 is gradually separated from the top leaning surface 44 and is gradually aligned with the yielding groove 46, and when the clamping piece 43 is aligned with the yielding groove 46, the third elastic piece 45 pushes the clamping piece 43 to slide relative to the turntable 41, and because the clamping piece 43 slides into the yielding groove 46, the clamping piece 43 has enough distance to be separated from the reversing positioning hole 42, at this time, the reversing mechanism 4 is unlocked, the seat body 2 can be rotationally reversed relative to the base 1 through the turntable 41, the unlocking operation is convenient, and even if the clamping piece 43 is pulled to be more capable of being aligned with the yielding groove 46 when the seat body 2 moves from the maximum included angle gear position to the original included angle gear position, the first included angle gear position and the second included angle gear position, and the infant riding channel can not be safely aligned with the yielding groove 43.

As shown in fig. 9 to 18, the engaging member 43 includes a first pin 431 capable of sliding transversely relative to the turntable 41, a second pin 432 vertically disposed relative to the first pin 431 is disposed on the first pin 431, and two ends of the third elastic member 45 respectively abut against the second pin 432 and a wall surface of the turntable 41. The third elastic member 45 is compressed when the reversing mechanism 4 is in the locked state, and when the first pin 431 is aligned with the yielding groove 46, the third elastic member 45 pushes the second pin 432, so that the whole clamping member 43 slides into the yielding groove 46.

As shown in fig. 9 to 18, the base 1 is provided with a connecting seat 11 protruding upward and extending into the turntable 41, a plurality of reversing positioning holes 42 are formed in the connecting seat 11, and the turntable 41 is provided with a clamping slot 411 for clamping the connecting seat 11. The connection base 11 cooperates with the card slot 411 to enable the connection of the two to be more stable and safer.

As shown in fig. 3 to 5, the turntable 41 includes a rotating seat 412 connected to the base 1 and a connecting piece 413 connected to the base 1, the seat body 2 is provided with a first cross bar 5 transversely penetrating through the connecting piece 413, the connecting piece 413 is provided with a first limit groove 4131 capable of sliding the first cross bar 5, a second cross bar 6 transversely arranged is arranged between the seat body 2, the connecting piece 413 and the unlocking handle 32, the connecting piece 413 is provided with a second limit groove 4132 capable of sliding the second cross bar 6, the unlocking handle 32 is also provided with a third limit groove 323 capable of sliding the second cross bar 6, and the third limit groove 323 is provided with a pushing surface 3231 capable of pushing the second cross bar 6 to slide in the second limit groove 4132 when the unlocking handle 32 is pulled. When the seat body 2 slides relative to the base 1 to adjust the gear of the included angle, the unlocking handle 32 is pulled to push the pushing surface 3231 on the third limiting groove 323 to slide the second cross bar 6, and when the second cross bar 6 slides, the seat body 2 slides together and drives the first cross bar 5 to slide in the first limiting groove 4131.

Claims

1. A child safety seat, characterized in that: including base (1), base (1) on be connected with seat body (2), seat body (2) and base (1) between be equipped with gear adjustment mechanism (3) that can adjust contained angle gear between the two, seat body (2) and base (1) between still be equipped with reversing mechanism (4), and when seat body (2) are adjusted to the biggest contained angle gear relative to base (1), continue to act on gear adjustment mechanism (3) can make seat body (2) can rotate the switching-over relative to base (1).

2. The child safety seat according to claim 1, wherein: the gear adjusting mechanism (3) can enable the range of an inclined included angle between the seat body (2) and the base (1) to be 0-14 degrees.

3. The child safety seat according to claim 2, wherein: the gear adjusting mechanism (3) can enable the included angle gear of the seat body (2) which is adjusted relative to the base (1) to comprise an original included angle gear, a first included angle gear, a second included angle gear and a maximum included angle gear.

4. A child safety seat according to claim 1 or 2 or 3, wherein: the reversing mechanism (4) can enable the seat body (2) to rotate relative to the base (1) within a range of 0-360 degrees, the reversing gear of the seat body (2) which is adjusted relative to the base (1) by the reversing mechanism (4) comprises an original reversing gear, a first reversing gear, a second reversing gear and a third reversing gear, and the angle span between the reversing gears is 90 degrees.

5. The child safety seat according to claim 4, wherein: the gear adjusting mechanism (3) comprises a gear adjusting hole (31) which is formed in the reversing mechanism (4) and corresponds to each included angle gear, an unlocking handle (32) which can slide back and forth relative to the seat body (2) is connected to the seat body, a clamping piece (33) which can slide relative to the seat body and is clamped into or separated from the gear adjusting hole (31) is arranged in the seat body (2), a first elastic piece (34) which can enable the clamping piece (33) to reset is arranged between the clamping handle (33) and the seat body (2), a second elastic piece (35) which can enable the unlocking handle (32) to reset is arranged between the unlocking handle (32), and the gear adjusting hole (31) comprises a first gear adjusting hole (311), a second gear adjusting hole (312), a third gear adjusting hole (313) and a fourth gear adjusting hole (314) which can correspond to the original included angle gear, the first included angle gear, the second included angle gear and the maximum included angle gear respectively.

6. The child safety seat according to claim 5, wherein: the clamping piece (33) comprises a clamping pin (331) which is connected in the seat body (2) in a sliding mode, the clamping pin (331) is provided with a protrusion (332) which extends upwards and is clamped into the unlocking handle (32), the unlocking handle (32) comprises a handle body (321) and an extension portion (322) which is connected to the handle body (321) and extends backwards, the extension portion (322) is provided with a sliding groove (3221) for the clamping pin (331) to slide in, and the extension portion (322) is provided with a pushing inclined sliding groove (3222) which can enable the protrusion (332) to slide in and push the protrusion (332) when the unlocking handle (32) slides, so that the clamping pin (331) is separated from the gear adjusting hole (31).

7. The child safety seat according to claim 5, wherein: the reversing mechanism (4) comprises a rotary table (41) which is rotationally connected to the base (1), the base (1) is provided with a plurality of reversing positioning holes (42) which can correspond to each reversing gear, the rotary table (41) is provided with a clamping piece (45) which can transversely slide relative to the rotary table to clamp in or separate from the reversing positioning holes (42), the unlocking handle (32) is provided with a third elastic piece (45) which can push against the clamping piece (43) when the seat body (2) is in an original included angle gear, a first included angle gear, a second included angle gear and a maximum included angle gear, so that the clamping piece (43) is kept locked in the reversing positioning holes (42), the clamping piece (43) and the rotary table (41) are provided with a pushing surface (44) which can push the clamping piece (43) to slide relative to the clamping piece (43) to separate from the reversing positioning holes (42), and the unlocking handle (32) is provided with a pushing groove (45) which can continuously move away from the reversing positioning holes (42) when the seat body (2) is opposite to the base (46).

8. The child safety seat according to claim 7, wherein: the clamping piece (43) comprises a first pin shaft (431) capable of transversely sliding relative to the rotary table (41), a second pin shaft (432) vertically arranged relative to the first pin shaft (431) is arranged on the first pin shaft, and two ends of the third elastic piece (45) are respectively propped against the wall surfaces of the second pin shaft (432) and the rotary table (41).

9. The child safety seat according to claim 7, wherein: the base (1) is provided with a connecting seat (11) protruding upwards and extending into the rotary table (41), a plurality of reversing positioning holes (42) are formed in the connecting seat (11), and the rotary table (41) is provided with a clamping groove (411) for clamping the connecting seat (11).

10. The child safety seat according to claim 7, wherein: carousel (41) including connecting rotating seat (412) on base (1) and connecting connection piece (413) on base (1), seat body (2) on be equipped with first horizontal pole (5) of transversely wearing to establish connection piece (413), connection piece (413) on be equipped with first spacing groove (4131) that can supply first horizontal pole (5) to slide including, seat body (2), connection piece (413) and unblock handle (32) between be equipped with second horizontal pole (6) of transversely setting, connection piece (413) can supply second horizontal pole (6) including gliding second spacing groove (4132), unblock handle (32) on still be equipped with third spacing groove (323) that can supply second horizontal pole (6) to slide including, third spacing groove (323) on be equipped with in second spacing groove (4132) gliding top face (31) of second horizontal pole (6) when unblock handle (32) are pulled.