CN115848242A

CN115848242A - Child safety seat

Info

Publication number: CN115848242A
Application number: CN202211424904.8A
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: 2023-03-28

Abstract

The invention discloses a child safety seat which comprises a base, wherein a seat body is connected onto the base, a gear adjusting mechanism capable of adjusting the gear position of an included angle between the seat body and the base is arranged between the seat body and the base, a reversing mechanism is further arranged between the seat body and the base, and when the seat body is adjusted to the gear position with the largest included angle relative to the base, the seat body can rotate and reverse relative to the base by continuously acting on the gear adjusting mechanism. The invention 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

[ technical field ] A method for producing a semiconductor device

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

[ background of the invention ]

An adjusting structure of a child safety seat with the current publication number of CN107499202A comprises a seat body and a base, wherein an inclination angle 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 arranged on the guide rail part, the inclination angle adjusting mechanism comprises the guide rail part, a connecting seat and a movable seat, the connecting seat is fixedly connected to the bottom of the seat body, and the movable seat can be 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 grooves, and the positioning rod can be separated from the positioning grooves when moving up; the seat body includes a cushion part and a backrest part. The positioning rod is driven by the movable seat to move up and down, 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.

But current notice number is CN 106965717A's children's safety seat ISOFIX mounting structure of switching-over from beginning to end includes children's safety seat, base and ISOFIX subassembly, children's safety seat fixed mounting is directly over the base, two ISOFIX subassemblies totally install the left and right sides in the base below respectively, the ISOFIX subassembly includes ISOFIX frame, is located the vertical rotation axis that sets up in ISOFIX frame rear end, is located the spacing support of ISOFIX frame middle part left and right sides, the ISOFIX subassembly passes through the rotation axis and installs the middle part at the base, and every ISOFIX subassembly is equipped with two elasticity locking mechanism, and two elasticity locking mechanism are symmetrical setting around the below of base interval ground around, and when ISOFIX subassembly used the rotation axis as the center, when outside level rotated to position just before or just back position, the ISOFIX subassembly realizes locking through the cooperation of one of them spacing support and one of them elasticity locking mechanism respectively. When the ISOFIX components horizontally rotate to the positive position towards the outer side by taking the rotating shaft as a center, the ISOFIX components are respectively matched with one elastic locking mechanism through one limiting bracket to realize locking; when the ISOFIX subassembly uses the rotation axis as the center, outside horizontal rotation to reverse position, the ISOFIX subassembly realizes locking through the cooperation of another spacing support and another elasticity locking mechanism respectively.

The seat that these two patents have realized children's safety seat respectively and the gear of base adjust and the switching-over between seat and the base is adjusted, but be divided in the structural setting of these two regulations, need just can carry out gear adjustment or switching-over adjustment after the unblock in the position of difference, consequently the adult operates very trouble when needing to carry out switching-over operation and gear adjustment simultaneously, and the narrow and small space of car back row seat also is not convenient for the adult to operate, make whole complex operation comparatively loaded down with trivial details and operate very inconvenient.

The present invention has been developed in view of the above-described disadvantages.

[ summary of the invention ]

The invention 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 invention is realized by the following technical scheme:

the utility model provides a children's safety seat, includes base 1, base 1 on be connected with the 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 and can make seat body 2 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.

Gear adjustment mechanism 3 can make the contained angle gear that seat body 2 adjusted relative base 1 include original contained angle gear, first contained angle gear, second contained angle gear and the biggest contained angle gear.

The reversing mechanism 4 can enable the seat body 2 to rotate in a range of 0-360 degrees relative to the base 1, and the reversing gears adjusted by the seat body 2 relative to the base 1 can comprise an original reversing gear, a first reversing gear, a second reversing gear and a third reversing gear through the reversing mechanism 4.

Gear adjustment mechanism 3 including locate reversing mechanism 4 on and can adjust the hole 31 with the gear that each contained angle gear corresponds, seat body 2 on be connected with its gliding unblock hand (hold) 32 in front and back relatively, seat body 2 in be equipped with can slide its relatively and block into or break away from the joint piece 33 of gear adjustment hole 31, joint piece 33 and seat body 2 be equipped with the first elastic component 34 that can make joint piece 33 reset, unblock hand (hold) 32 and seat body 2 between be equipped with the second elastic component 35 that can make unblock hand (hold) 32 reset, gear adjustment hole 31 including can adjust hole 311, second gear adjustment hole 312, third gear adjustment hole 313 and fourth gear adjustment hole 314 with original contained angle gear, first contained angle gear, second contained angle gear and the first gear that maximum contained angle gear and each contained angle gear correspond respectively.

The clamping piece 33 comprises a clamping pin 331 which is connected in the seat body 2 in a sliding manner, a protrusion 332 which extends upwards and is clamped into the unlocking handle 32 is arranged on the clamping pin 331, the unlocking handle 32 comprises a handle body 321 and an extension part 322 which is connected to the handle body 321 and extends backwards, a sliding groove 3221 which allows the clamping pin 331 to slide is arranged on the extension part 322, and a jacking and inclining sliding groove 3222 which allows the protrusion 332 to slide in and jack the protrusion 332 when the unlocking handle 32 slides so that the clamping pin 331 is separated from the gear adjusting hole 31 is arranged on the extension part 322.

Reversing mechanism 4 including rotating the carousel 41 of connecting on base 1, base 1 on be equipped with a plurality of switching-over locating holes 42 that can correspond with each switching-over gear, carousel 41 on be equipped with and to block into or break away from switching-over locating hole 42's joint piece 43 relative its lateral sliding, unblock hand (hold) 32 on be equipped with and to lean on joint piece 43 and make joint piece 43 keep locking the top face 44 in switching-over locating hole 42 when seat body 2 is in original contained angle gear, first contained angle gear, second contained angle gear and the biggest contained angle gear, joint piece 43 and carousel 41 between be equipped with and to push away the third elastic component 45 that can push away the relative joint piece 43 of joint piece 43 and slide and make joint piece 43 break away from switching-over locating hole 42, be equipped with on the unblock hand (hold) 2 and adjust to the biggest contained angle gear and continue to pull unblock hand (hold) 32 and can let the position for joint piece 43 and make joint piece 43 from shifting to the yielding groove 46 that breaks away from in the locating hole 42 when sliding relative to base 1 of seat body 2.

The clamping piece 43 comprises a first pin shaft 431 capable of sliding transversely relative to the rotating disc 41, a second pin shaft 432 vertically arranged relative to the first pin shaft 431 is arranged on the first pin shaft 431, and two ends of the third elastic piece 45 are respectively abutted against the second pin shaft 432 and the wall surface of the rotating disc 41.

The base 1 on be equipped with upwards protrusion and stretch into the connecting seat 11 in the carousel 41, a plurality of switching-over locating hole 42 locate on connecting seat 11, carousel 41 on be equipped with the draw-in groove 411 that supplies connecting seat 11 card to go into.

The rotating disc 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 the connecting sheet 413 is arranged on the seat body 2, a first limiting groove 4131 capable of allowing the first cross rod 5 to slide is arranged on 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 is a second limiting groove 4132 capable of allowing the second cross rod 6 to slide, a third limiting groove 323 capable of allowing the second cross rod 6 to slide is further arranged on the unlocking handle 32, and a pushing surface 31 capable of pushing the second cross rod 326 to slide in the second limiting groove 4132 when the unlocking handle 32 is pulled is arranged on the third limiting groove 323.

Compared with the prior art, the invention has the following advantages: the child safety seat is installed on a seat of an automobile when in use, when the child safety seat needs 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 in place, the reversing mechanism is unlocked, the seat body can rotate and reverse relative to the base at the moment, the whole reversing operation does not need to be disassembled from the base, only the gear adjusting mechanism needs to be operated to be movably unlocked, the operation is very convenient, the seat body and the base can be locked again when the gear adjusting mechanism is reversely adjusted and reset from the maximum included angle gear, the seat body cannot rotate and reverse relative to the base at the moment, the secondary locking effect is achieved, the operation is safer, when the seat body is rotated by 180 degrees from the original reversing gear through the reversing mechanism, the seat body is the safest and comfortable use angle in the field of the safety seat when the seat body rotates from the front direction to the rear direction, and the use requirement is met without reversing adjustment.

[ description of the drawings ]

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

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

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

FIG. 4 is a perspective view of the shift position adjustment mechanism and the reversing mechanism of the child safety seat of the present invention;

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

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

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

FIG. 8 is an exploded view of the diverter mechanism and base of the child safety seat of the present invention;

FIG. 9 is a schematic view of the reversing mechanism of the child safety seat of the present invention shown rotated in a reversed orientation relative to the base;

FIG. 10 is a cross-sectional view of the reversing mechanism in the child safety seat of the present invention 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 invention 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 invention;

FIG. 15 is a perspective view of the reversing mechanism in the child safety seat of the present invention in a locked position;

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

FIG. 17 is a perspective view of the child safety seat of the present invention with the reversing mechanism in an unlocked position;

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

FIG. 19 is a state diagram of the child safety seat of the present invention in the original included angle gear position and the original reverse gear position;

FIG. 20 is a state diagram of the child safety seat of the present invention in a first angled gear position;

FIG. 21 is a state diagram of the child safety seat of the present invention in a second angled position;

FIG. 22 is a state diagram of the child safety seat of the present invention in a maximum included angle shift position;

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

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

FIG. 25 is a state diagram of the child safety seat of the present invention in the maximum included angle gear position and the third reverse gear position.

[ detailed description ] embodiments

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

as shown in fig. 1 to 25, the invention 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 further arranged between the seat body 2 and the base 1, and when the seat body 2 is adjusted to the maximum gear of the included angle relative to the base 1, the seat body 2 can rotate and reverse relative to the base 1 by continuously acting on the gear adjusting mechanism 3.

When the child safety seat is used, the child safety seat is installed on a seat of an automobile, when the child safety seat needs to be reversed, the seat body 2 is firstly adjusted to a gear with the largest included angle 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 in place, the reversing mechanism 4 is unlocked, at the moment, the seat body 2 can rotate and reverse relative to the base 1, the whole reversing operation does not need to detach the seat body 2 from the base 1, only the gear adjusting mechanism 3 needs to be operated to movably unlock, the operation is very convenient, when the gear adjusting mechanism 3 is adjusted to reverse and reset from the gear with the largest included angle, the seat body 2 and the base 1 can be locked again, at the moment, the seat body 2 cannot rotate and reverse relative to the base 1, the secondary locking effect is achieved, the child safety seat is safer and comfortable in use, and the seat body can rotate from the front direction to the rear direction when the seat body is adjusted by 180 degrees through the gear adjusting mechanism from the original reversing gear, and the use requirement is not needed.

As shown in fig. 6 and 19 to 22, the gear adjusting mechanism 3 can make the inclined angle between the seat body 2 and the base 1 range from 0 ° to 14 °. The adjustable inclination angle of the seat body 2 relative to the base 1 is between 0 ° and 14 °.

As shown in fig. 6 and 19 to 22, the gear adjusting mechanism 3 can enable the included angle gear adjusted by the seat body 2 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 gear that seat body 2 adjusted relative base 1 is four, and the children of being convenient for are taking or the slope is recumbent and is adjusted between.

As shown in fig. 9 and 23 to 25, the reversing mechanism 4 can make the seat body 2 rotate relative to the base 1 within a range of 0 to 360 °, the reversing gear positions adjusted by the seat body 2 relative to the base 1 by the reversing mechanism 4 include an original reversing gear position, a first reversing gear position, a second reversing gear position and a third reversing gear position, and the angular span between the reversing gear positions is 90 °. When the seat body 2 and the base 1 are in the original reversing gear, the seat body 2 faces the front, when the seat body 2 and the base 1 are moved to the first reversing gear from the original reversing gear, the seat body 2 rotates and reverses relative to the base 1 and faces the right, when the seat body 2 and the base 1 are moved to the second reversing gear from the first reversing gear, the seat body 2 rotates and reverses relative to the base 1 and faces the rear, and when the seat body 2 and the base 1 are moved to the third reversing gear from the second reversing gear, the seat body 2 rotates and reverses relative to the base 1 and faces the left. The positions where the seat body 2 and the base 1 can stay are four, so that the chair is more convenient to use.

As shown in fig. 3 to 8, gear adjustment mechanism 3 including locate reversing mechanism 4 on and can adjust the hole 31 with a plurality of gears that each contained angle gear corresponds, seat body 2 on be connected with its gliding unblock hand (hold) 32 around relatively, seat body 2 in be equipped with its slip relatively and block into or break away from the joint piece 33 of gear adjustment hole 31, joint piece 33 and seat body 2 be equipped with and can make the first elastic component 34 that joint piece 33 resets, unblock hand (hold) 32 and seat body 2 between be equipped with and can make the second elastic component 35 that unblock hand (hold) 32 resets, gear adjustment hole 31 including can respectively with original contained angle gear, first contained angle gear, second contained angle gear and the first gear adjustment hole 311, second gear adjustment hole 312, third gear adjustment hole 313 and fourth gear adjustment hole 314 that maximum contained angle gear and each contained angle gear correspond. When the seat body 2 needs to adjust the included angle gear relative to the base 1, the unlocking handle 32 is pulled, the clamping piece 33 is driven to slide transversely relative to the unlocking handle 32 when the unlocking handle 32 is pulled, at the moment, the clamping piece 33 gradually separates 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, the seat body 2 can slide relative to the base 1 and the reversing mechanism 4 to adjust the included angle gear, when the seat body 2 rotates relative to the base 1 to a proper position, the unlocking handle 32 is released, the second elastic piece 35 pulls the unlocking handle 32 to reset, the first elastic piece 34 pushes the clamping piece 33 in the resetting process of the unlocking handle 32, so that the clamping piece 33 is clamped 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 and is locked, and at the moment, the seat body 2 cannot slide relative to the base 1 to adjust the included angle gear.

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 extending portion 322 connected to the handle body 321 and extending rearward, the extending portion 322 is provided with a sliding slot 3221 for the locking pin 331 to slide therein, and the extending portion 322 is provided with an inclined sliding slot 3222 for the protrusion 332 to slide therein and press against the protrusion 332 when the unlocking handle 32 slides so that the locking pin 331 is separated from the shift position adjusting hole 31. When the handle body 321 is pulled, the extension portion 322 slides along the handle body 321, and at this time, the inclined pushing chute 3222 on the handle body 321 pushes the protrusion 332, so that the protrusion 332 slides in the inclined pushing chute 3222, and the protrusion 332 drives the detent 331 to slide when sliding, so that the detent 331 is separated from the gear adjusting hole 31, and unlocking is completed. The locking pin 331 is disposed in the seat body 2 and inserted into the sliding groove 3221.

Fig. 9 to 18 show, the reversing mechanism 4 includes 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 engaging piece 43 capable of being transversely slid relative to the rotary table to be inserted into or separated from the reversing positioning holes 42, the unlocking handle 32 is provided with an abutting surface 44 capable of abutting against the engaging piece 43 when the seat body 2 is in the original included angle gear, the first included angle gear, the second included angle gear and the maximum included angle gear, so that the engaging piece 43 is kept locked in the reversing positioning holes 42, a third elastic piece 45 capable of abutting against the engaging piece 43 to slide relative to the engaging piece 43 so that the engaging piece 43 is separated from the reversing positioning holes 42 is provided between the engaging piece 43 and the rotary table 41, and the unlocking handle 32 is provided with a yielding groove 46 capable of yielding the engaging piece 43 when the seat body 2 is adjusted to the maximum included angle gear relative to the base 1 and continuously pulls the unlocking handle 32 to slide, so that the engaging piece 43 is separated from the reversing positioning holes 42. When the engaging member 43 is in the locked state, the front end portion is inserted into the reversing positioning hole 42, and the rear end portion protrudes out of the dial 41 and abuts against an abutting surface 44 on the unlocking handle 32. When the seat body 2 needs to be rotated and reversed, the seat body 2 is adjusted to a maximum included angle gear relative to the base 1 through the gear adjusting mechanism 3, at the moment, the clamping piece 33 is clamped into the fourth gear adjusting hole 313 to be locked, then the unlocking handle 32 is continuously pulled to slide, the clamping piece 33 is separated from the fourth gear adjusting hole 313 when the unlocking handle 32 slides, the clamping piece 43 is gradually separated from the abutting surface 44 and is gradually aligned with the yielding groove 46, and the third elastic piece 45 pushes the clamping piece 43 to slide relative to the rotary disc 41 when the clamping piece 43 is aligned with the yielding groove 46, as 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 the moment, the reversing mechanism 4 is unlocked, the seat body 2 can be rotated and reversed relative to the base 1 through the rotary disc 41, the unlocking operation is convenient, and when the seat body 2 moves from the maximum included angle gear to the original gear, the first included angle gear and the second included angle gear relative to the original gear from the original gear, the infant can not align the child seat body with the handle 46 through pulling of the unlocking mechanism 32, so that the infant can safely lock the infant.

As shown in fig. 9 to 18, the engaging member 43 includes a first pin 431 capable of sliding transversely relative to the rotating disc 41, the first pin 431 is provided with a second pin 432 vertically arranged relative to the first pin 431, and two ends of the third elastic member 45 respectively abut against the second pin 432 and the wall surface of the rotating disc 41. When the reversing mechanism 4 is in the locked state, the third elastic member 45 is compressed, and when the first pin 431 is aligned with the receding groove 46, the third elastic member 45 pushes the second pin 432, so that the entire engaging member 43 slides into the receding 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 rotating disc 41, the plurality of reversing positioning holes 42 are provided on the connecting seat 11, and the rotating disc 41 is provided with a clamping groove 411 for the connecting seat 11 to be clamped into. The connecting seat 11 and the clamping groove 411 are matched, so that the two can be connected more stably and more safely.

As shown in fig. 3 to 5, the rotating disc 41 includes a rotating base 412 connected to the base 1 and a connecting sheet 413 connected to the base 1, the seat body 2 is provided with a first cross bar 5 transversely penetrating the connecting sheet 413, the connecting sheet 413 is provided with a first limiting groove 4131 capable of allowing the first cross bar 5 to slide, a second cross bar 6 transversely arranged is arranged between the seat body 2, the connecting sheet 413 and the unlocking handle 32, the connecting sheet 413 is provided with a second limiting groove 4132 capable of allowing the second cross bar 6 to slide, the unlocking handle 32 is further provided with a third limiting groove 323 capable of allowing the second cross bar 6 to slide, and the third limiting groove 323 is provided with a pushing surface 3231 capable of pushing the second cross bar 6 to slide in the second limiting groove 4132 when the unlocking handle 32 is pulled. When the seat body 2 slides relative to the base 1 to adjust the included angle gear, the unlocking handle 32 is pulled to enable the pushing surface 3231 on the third limiting groove 323 to push the second cross bar 6 to slide, 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 by: 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) base (1) relatively adjusted to the biggest contained angle gear, continue to act on gear adjustment mechanism (3) and can make seat body (2) base (1) relatively rotate the switching-over.

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 adjusted by the seat body (2) 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, 2 or 3, wherein: the seat is characterized in that the reversing mechanism (4) enables the seat body (2) to rotate within a range of 0-360 degrees relative to the base (1), the reversing gears which are adjusted relative to the base (1) by the seat body (2) through the reversing mechanism (4) 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.

5. The child safety seat according to claim 4, wherein: gear adjustment mechanism (3) including locating reversing mechanism (4) on and can adjust hole (31) with the gear that each contained angle gear corresponds, seat body (2) on be connected with and to be connected with gliding unblock hand (32) around it relatively, seat body (2) in be equipped with relative its slip and go into or break away from joint spare (33) of gear adjustment hole (31), joint spare (33) and seat body (2) be equipped with can make first elastic component (34) that joint spare (33) reset, unblock hand (32) and seat body (2) between be equipped with and to make second elastic component (35) that unblock hand (32) reset, gear adjustment hole (31) including can be respectively with original contained angle gear, first contained angle gear, second contained angle gear and the first gear adjustment hole (311), second gear adjustment hole (312), third gear adjustment hole (313) and fourth gear adjustment hole (314) that the biggest contained angle gear corresponds with each contained angle gear.

6. The child safety seat according to claim 5, wherein: joint spare (33) including bayonet lock (331) of sliding connection in seat body (2), bayonet lock (331) on be equipped with upwards extend and block in protruding (332) to unblock hand (32) in, unblock hand (32) including hand (321) with connect on hand (321) and backward extension (322), extension (322) on be equipped with gliding spout (3221) including supplying bayonet lock (331), extension (322) on be equipped with and supply including protruding (332) slip and when unblock hand (32) slide roof pressure protruding (332) and make bayonet lock (331) break away from gear and adjust oblique spout (3222) of roof pressure of hole (31).

7. The child safety seat according to claim 5, wherein: reversing mechanism (4) including rotating carousel (41) of connecting on base (1), base (1) on be equipped with a plurality of switching-over locating holes (42) that can correspond with each switching-over gear, carousel (41) on be equipped with can be relative its lateral sliding and block piece (43) of going into or breaking away from switching-over locating hole (42), unblock hand (32) on be equipped with in seat body (2) and be in original contained angle gear, first contained angle gear, second contained angle gear and can push up and lean on block piece (43) and make block piece (43) keep locking in top face (44) of leaning on in switching-over locating hole (42), block piece (43) and carousel (41) between be equipped with and push up block piece (43) and slide and make block piece (43) break away from third elastic component (45) of switching-over locating hole (42) for hand (43) slide, unblock hand (32) are equipped with and can make the switching-over in the switching-over groove (46) of stepping down for block piece (43) when seat body (2) adjusts to maximum base (1) and continue to stimulate unblock contained angle (32) to slide.

8. The child safety seat according to claim 7, wherein: the clamping piece (43) comprises a first pin shaft (431) capable of sliding transversely relative to the turntable (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 abutted against the wall surfaces of the second pin shaft (432) and the turntable (41).

9. The child safety seat according to claim 7, wherein: base (1) on be equipped with upwards protrusion and stretch into connecting seat (11) in carousel (41), a plurality of switching-over locating hole (42) locate on connecting seat (11), carousel (41) on be equipped with draw-in groove (411) that supply connecting seat (11) card to go into.

10. The child safety seat according to claim 5, wherein: the rotary table (41) comprises a rotating seat (412) connected to the base (1) and a connecting piece (413) connected to the base (1), a first cross rod (5) transversely penetrating the connecting piece (413) is arranged on the seat body (2), a first limiting groove (4131) capable of allowing the first cross rod (5) to slide is formed in the connecting piece (413), a second cross rod (6) transversely arranged is arranged among the seat body (2), the connecting piece (413) and the unlocking handle (32), a second limiting groove (4132) capable of allowing the second cross rod (6) to slide is formed in the connecting piece (413), a third limiting groove (323) capable of allowing the second cross rod (6) to slide is further arranged on the unlocking handle (32), and an inner sliding surface (3231) capable of pushing the second cross rod (6) to slide in the second limiting groove (4132) when the unlocking handle (32) is pulled is arranged on the third limiting groove (323).