CN114919475A

CN114919475A - One-key unlocking rotation adjusting structure of child safety seat

Info

Publication number: CN114919475A
Application number: CN202210460818.6A
Authority: CN
Inventors: 陶利刚
Original assignee: Ousong Safety Technology Hubei Co ltd
Current assignee: Ousong Safety Technology Hubei Co ltd; Xingchi Future Technology (Hainan) Co.,Ltd.
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-19
Anticipated expiration: 2042-04-28
Also published as: CN114919475B

Abstract

The invention discloses a one-key unlocking rotation adjusting structure of a child safety seat, which comprises a rotating framework and a disc, wherein the rotating framework and the disc are arranged on a base, two ends of the rotating framework are respectively and movably connected with a first mounting plate and a second mounting plate, and the first mounting plate and the second mounting plate are respectively and fixedly connected with the base; a one-key unlocking assembly is further arranged in the rotary framework, a telescopic spring bolt is arranged on the one-key unlocking assembly, and the spring bolt is matched and connected with the lock hole in the periphery of the disc; the rotating framework rotates around the disc in an unlocking state, and the one-key unlocking assembly is used for controlling the locking relation between the rotating framework and the disc; the upper part of the rotary framework is used for connecting the seat framework. This one-key unblock rotation regulation simple structure is compact, and easy to use, convenient operation can the one-hand one-key operation unblock or lock the rotating function of safe seat, and convenience and security are better, and user experience feels the preferred.

Description

One-key unlocking rotation adjusting structure of child safety seat

Technical Field

The invention relates to the technical field of child safety seats, in particular to a one-key unlocking rotation adjusting structure of a child safety seat.

Background

A child safety seat is a safety guard provided on a car seat in order to secure a child in a car. According to the relevant standards of the child car safety seat, the installation direction, the inclination angle and the headrest height of children in different age groups when using the child car safety seat are different. In order to increase the applicable age of the product, functions such as a tilting angle, a headrest height and seat rotation need to be integrated on one child car safety seat. However, excessive integration functions may make the product structure excessively complex and inconvenient to adjust, which may result in an oversized seat, unstable center of gravity, poor protection effect in case of collision, and increased cost.

The Chinese utility model patent (publication number: CN211567741U) discloses a child safety seat in 2020, wherein the child safety seat comprises a rotating seat, a base and a rotating disc, the rotating disc is fixedly connected with the rotating seat, and the rotating disc is rotatably connected with the base; a locking structure for locking the rotary plate or the rotary seat on the base; the limiting structure is arranged between the rotating disk and the base and used for limiting the tilting and shaking amplitude of the rotating disk due to stress. This safety seat utilizes the limit structure who sets up between rotary disk and base to guarantee the stability of rotary disk when realizing that the seat can the free rotation, though this structure can increase the security that the seat used, but the stability of the rotatory relative motion in-process of seat to and convenience and the flexibility of seat rotation regulation are not good.

Disclosure of Invention

The invention aims to provide a one-key unlocking rotation adjusting structure of a child safety seat, aiming at the problems in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that:

a one-key unlocking rotation adjusting structure of a child safety seat comprises a rotating framework arranged on a base, wherein a disc is arranged in the middle of the rotating framework, the disc is positioned on the rotating framework and connected with the base, two ends of the rotating framework are respectively and movably connected with a first mounting plate and a second mounting plate, and the first mounting plate and the second mounting plate are respectively and fixedly connected with the base; a one-key unlocking assembly is further arranged in the rotary framework, a telescopic spring bolt is arranged on the one-key unlocking assembly, and the spring bolt is matched and connected with the lock hole in the periphery of the disc; the rotating framework rotates around the disc in an unlocking state, and the one-key unlocking assembly is used for controlling the locking relation between the rotating framework and the disc; the upper part of the rotary framework is used for connecting the seat framework.

This one-key unblock rotation regulation simple structure is compact, and stability is good, and convenient operation can the one-hand key operation unblock or lock the rotation function of safety seat, can not vacate both hands and operate when making things convenient for the adult to take child to take the car, and convenience and security are better, and user experience feels the preferred.

The rotary framework can rotate relative to the base and the disc, so that the seat framework is driven to rotate relative to the base, the seat can rotate, and a child can conveniently sit on the seat; set up on the rotatory skeleton a key unblock subassembly, through control the stretching out and the shrink of spring bolt just can realize locking and unblock function, through set up in the periphery of disc the lockhole makes rotatory skeleton need stop when a certain position at rotatory in-process, the spring bolt inserts the lockhole can realize that the locking of position keeps the gesture of seat.

First mounting panel with the setting of second mounting panel is used for swing joint rotatory skeleton makes rotatory skeleton is at the within range internal rotation of injecing, also has certain fixed action to rotatory skeleton, and rotatory skeleton uses rotary motion as the owner, and can not rock all around.

Furthermore, the rotating framework comprises a pair of framework bottom plates which are arranged in parallel, the distance between the pair of framework bottom plates is smaller than the outer diameter of the disc, and two sides of the disc are pressed on the framework bottom plates and then connected with the base; two sides of the framework bottom plates in the length direction are respectively provided with a sliding chute connecting body, an arc-shaped sliding chute is arranged on each sliding chute connecting body, and each sliding chute connecting body is respectively used for connecting the first mounting plate and the second mounting plate; it is a pair of the width direction outside of skeleton bottom plate is equipped with the skeleton link, be equipped with a plurality of arcs on the skeleton link and step down the groove, the skeleton link is close to the one end of first mounting panel is equipped with a plurality of spacing through-holes, a key unblock subassembly sets up and is a pair of be close to between the skeleton link first mounting panel department.

By adopting the rotary framework with the structure, the disc can press the framework bottom plate, the framework bottom plate is prevented from moving upwards, and the rotary motion between the framework bottom plate and the framework bottom plate is not influenced; the sliding groove connecting body and the sliding groove are arranged in the front-back direction, so that the sliding groove connecting body and the sliding groove are conveniently connected with the first mounting plate and the second mounting plate in a sliding mode, the first mounting plate and the second mounting plate can rotate relatively, and the sliding groove has certain guiding and limiting effects.

The both sides of rotatory skeleton set up respectively the seat skeleton of skeleton link, the easy to assemble top, it is a pair of the space that forms between the skeleton link then can be used for installing a key unblock subassembly, rational utilization the inner space, compact structure, occupation space are little for whole seat is exquisite small and exquisite also.

Further, the first mounting panel with the second mounting panel respectively with the base spiro union is fixed, the first mounting panel with the second mounting panel orientation one side of disc is equipped with the arc limit respectively, the arc limit slides respectively and sets up in the spout.

The arc limit with the cooperation setting of spout is favorable to the rotary motion of rotatory skeleton, the non-annular sets up, when guaranteeing rotatory effect, also can reduce the space of seat both sides and occupy, makes things convenient for the seat to lay on car seat, makes it not occupy the spatial position more than a standard position.

Furthermore, the one-key unlocking assembly comprises a buckle handle body and a buckle handle upper cover which can slide relatively, and the buckle handle body is connected with the buckle handle upper cover through a limiting piece and a first spring; a fixed block is arranged below the handle body, a movable block is arranged in the fixed block, and the end part of the movable block is provided with the lock tongue; the movable block with be connected with the second spring along locking direction between the fixed block, the top of movable block is equipped with first block arch, be equipped with on the fixed block with the protruding second block that corresponds the setting of first block is protruding, first block protruding with be connected with the stay cord subassembly in the second block is protruding, the stay cord subassembly is walked around the tie-beam that covers on the attacker and get into in the attacker body, the other end of stay cord subassembly with third block protruding in the attacker body is connected, through detaining the attacker body drives stay cord subassembly motion makes the movable block for the fixed block slides, accomplishes the spring bolt with the locking or the unblock of lockhole.

The limiting piece and the first spring are arranged to play a role in limiting and resetting, the handle body and the handle upper cover can relatively slide in a limited range, and therefore the pull rope assembly is utilized to control the relative movement of the movable block and the fixed block, and the movement of the lock tongue at the end of the movable block is realized; the second spring is arranged to enable the movable block to reciprocate in the fixed block, two sides of the fixed block are arranged on the framework bottom plate and can be kept relatively fixed, and the movable block can move in a telescopic mode under the action of the pull rope assembly; the first clamping bulge, the second clamping bulge and the third clamping bulge can be connected with the pull rope assembly, so that the handle body is buckled, the pull rope assembly can move along the wire grooves, the movable block is pulled to move into the fixed block, and the lock tongue is pulled out of the lock hole to complete unlocking; when the handle body is released, the pull rope assembly loosens the movable block, and the lock tongue is inserted into the lock hole under the action of the spring force to complete locking.

Furthermore, the first clamping protrusion is slidably clamped and sleeved in the second clamping protrusion, and wire grooves are formed above the first clamping protrusion, the second clamping protrusion and the third clamping protrusion; the stay cord assembly comprises a stay cord body and connecting limiting ropes arranged at two ends of the stay cord body, the connecting limiting ropes are clamped in the wire grooves respectively, and the stay cord body is arranged around the connecting beam.

The wire groove is arranged to facilitate fixing of the connecting limiting rope, the rope body is clamped in the wire groove, and the limiting head is clamped at the end part of the wire groove, so that when one end pulls the pull rope body, the connecting limiting rope at the other end can pull the first clamping bulge to slide into the second clamping bulge, and the unlocking state is achieved; although the three protrusions are arranged on different parts, the wire grooves formed above the three protrusions are in the same vertical plane, namely the plane of the reciprocating direction of the lock tongue.

Furthermore, a pair of symmetrically arranged chute bodies is arranged inside the handle body, and a pair of inclined chutes is arranged on the handle upper cover; the limiting piece is arranged in the sliding chute body, a limiting column above the limiting piece is arranged in the inclined sliding chute in a sliding manner, and the other end of the limiting piece penetrates out of a through hole in the side wall of the buckle body; the first spring is arranged between the inner vertical plate of the upper cover of the handle and the sliding groove body.

The limiting part is a rod body, limiting columns which are symmetrical up and down are arranged at one end of the rod body, the lower limiting column and the rod body are arranged in the chute body, and the upper limiting column falls into the inclined chute; in a locking state, the upper limiting column is positioned at the end part, close to the inner side, of the inclined sliding groove, and the rod body is basically positioned in the sliding groove body; in the unlocking process, the attacker body for the attacker upper cover removes, the top spacing post can the oblique spout inside-out slip just lets the body of rod is in the internal slip of spout, the tip of the body of rod progressively shifts out, under the unblock state, the tip of the body of rod can be followed stretch out and insert in the lateral wall through-hole of attacker body in the spacing through-hole on the skeleton link, make it keep the unblock state temporarily, be convenient for holistic rotation operations.

Furthermore, a spring hole is formed in the movable block, one end of the second spring is sleeved in the spring hole, and the other end of the second spring is connected to the connecting column in the fixed block; the handle body is further provided with a guide post, the handle upper cover is provided with a guide groove in matched connection with the guide post, and the guide groove is located on two sides of the connecting beam.

The guide post with the cooperation setting of guide way is favorable to the buckle body with the relative reciprocating motion of buckle upper cover, accurate higher, both can not rock relatively.

Further, the setting of attacker body slope is in between the rotatory skeleton, the attacker body is close to one side of fixed block still is equipped with spacing roof beam, spacing roof beam corresponds the tie-beam sets up, the attacker body is kept away from the one end of spacing roof beam still is equipped with the attacker handle, the front end of base is corresponding attacker handle department is equipped with the recess of stepping down.

The limiting beam is basically parallel to the connecting beam, and in the relative movement process, the limiting beam is close to the connecting beam and has a limiting effect, so that excessive movement is avoided; the pull rope body penetrates through the lower part of the limiting beam to upwards bypass the connecting beam and then enters the inside of the buckle body again to be connected with the third clamping protrusion.

The front end of attacker body sets up the attacker handle conveniently stimulates the attacker body, the base sets up here the recess of stepping down makes things convenient for the hand to get into.

Furthermore, the middle part of the base is provided with a connecting disc, the periphery of the connecting disc is provided with a circle of annular grooves, and a plurality of locking holes are arranged at intervals on the periphery of the disc.

Such an arrangement facilitates the fixing and connection of the discs, and the locking holes are arranged at angular intervals, such as 90 °, 60 °, etc.

Furthermore, the outer bottom of the base is horizontally arranged, the inner side of the base is obliquely arranged, and the rotary framework and the disc are also obliquely arranged; the top of base has still been packaged with the base upper cover, the middle part of base upper cover is equipped with to expose the disc with the big round hole of rotatory skeleton, the top of rotatory skeleton exposes the part and connects the seat skeleton, first mounting panel the second mounting panel with a key unblock subassembly all is covered the base upper cover.

The setting of base upper cover can shelter from a lot of functional parts outside skeleton link and the disc, and when whole seat assembly completion back, whole can be more pleasing to the eye, also can protect these functional parts simultaneously.

Compared with the prior art, the invention has the beneficial effects that: 1. the one-key unlocking rotation adjusting structure is simple and compact, good in stability and convenient to operate, the rotation function of the safety seat can be unlocked or locked by one-hand one-key operation, an adult can conveniently take a child to ride the safety seat without vacating two hands for operation, convenience and safety are good, and user experience is good; 2. the rotary framework can rotate relative to the base and the disc, so that the seat framework is driven to rotate relative to the base, the seat can be rotated, and children can conveniently sit on the seat; 3. the one-key unlocking assembly is arranged on the rotary framework, and the locking and unlocking functions can be realized simply and practically by controlling the extension and contraction of the lock tongue, so that the stability and the flexibility are better; 4. by adopting the rotary framework with the structure, the disc can press the framework bottom plate, the framework bottom plate is prevented from moving upwards, and the rotary motion between the framework bottom plate and the framework bottom plate is not influenced; the sliding groove connecting body and the sliding groove are arranged in the front-back direction, so that the sliding groove connecting body and the sliding groove can be conveniently connected with the first mounting plate and the second mounting plate in a sliding mode and can rotate relatively, and the sliding groove has certain guiding and limiting effects; 5. the space formed between the pair of framework connecting frames can be used for installing the one-key unlocking assembly, so that the internal space is reasonably utilized, the structure is compact, the occupied space is small, and the whole seat is exquisite and small; 6. a key unblock subassembly is arranged, spring is replied and spacing guide part's setting through ingenious stay cord for only need detain the unblock action just can be realized to the attacker body, relies on the mechanical cooperation of each part to accomplish unblock and locking operation, and mechanical stability and durability are better, and the position of a key unblock sets up comparatively rationally moreover, can avoid child to detain to draw or the mistake bumps and the unblock.

Drawings

Fig. 1 is a schematic view of an overall explosion structure of a one-key unlocking rotation adjusting structure of a child safety seat according to the present invention;

FIG. 2 is a schematic diagram of an exploded structure of the base and the rotating frame of the present invention;

FIG. 3 is a schematic view of the structure of the base and the upper cover of the base of the present invention;

FIG. 4 is an exploded view of the one-key unlocking assembly of the present invention;

FIG. 5 is a top view of the one-key unlocking assembly of the present invention mounted on the base;

FIG. 6 is a perspective view of the one-key unlocking assembly of the present invention mounted on a seat base;

FIG. 7 is a cross-sectional view of the one-key unlocking assembly of the present invention on the seat base;

FIG. 8 is an enlarged view of the structure at A in FIG. 7;

in the figure: 1. a handle body; 2. the upper cover of the handle is buckled; 3. a fixed block; 4. a movable block; 5. a latch bolt; 6. a disc; 7. a lock hole; 8. a first engaging projection; 9. a second engaging projection; 10. a third engaging projection; 11. a wire slot; 12. a pull rope body; 13. connecting a limiting rope; 14. a second spring; 15. a spring hole; 16. a limiting member; 17. a limiting column; 18. a chute body; 19. a through hole; 20. an inclined chute; 21. a guide groove; 22. a guide post; 23. a first spring; 24. a connecting beam; 25. a limiting beam; 26. a handle grip; 27. a base; 2701. connecting the disc; 2702. a yielding groove; 28. rotating the framework; 2801. a framework base plate; 2802. a framework connecting frame; 2803. a chute connector; 2804. an arc-shaped chute; 2805. a limiting through hole; 29; a second mounting plate; 2901. a second arc-shaped edge; 30. a first mounting plate; 3001. the first arc-shaped edge; 31. a seat frame; 32. a base upper cover; 3201. a large circular hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 8, a child safety seat one-key unlocking rotation adjusting structure includes a rotation frame 28 disposed on a base 27, a disk 6 is disposed in the middle of the rotation frame 28, the disk 6 is disposed on the rotation frame 28 and connected to the base 27, two ends of the rotation frame 28 are movably connected to a first mounting plate 30 and a second mounting plate 29, and the first mounting plate 30 and the second mounting plate 29 are fixedly connected to the base 27; a one-key unlocking assembly is further arranged in the rotating framework 28, a telescopic movable block 4 is arranged on the one-key unlocking assembly, a lock tongue 5 is arranged on the movable block 4, and the lock tongue 5 is matched and connected with a lock hole 7 on the periphery of the disc 6; the rotating framework 28 rotates around the disc 6 in an unlocking state, and the one-key unlocking assembly is used for controlling the locking relation between the rotating framework 28 and the disc 6; the upper part of the rotating framework 28 is used for connecting a seat framework 31.

The rotary frame 28 is arranged to rotate relative to the base 27 and the disc 6, so as to drive the seat frame 31 to rotate relative to the base 27, so that the seat can be rotated, and a child can conveniently sit on the seat; set up on the rotatory skeleton 28 one key unblock subassembly, through control the stretching out and the shrink of spring bolt 5, just can realize locking and unblock function, through set up on the periphery of disc 6 lockhole 7 makes rotatory skeleton 28 need stop when a certain position at rotatory in-process, spring bolt 5 inserts lockhole 7 can realize the locking of position and keep the gesture of seat.

The first mounting plate 30 and the second mounting plate 29 are provided to movably connect the rotary frame 28, so that the rotary frame 28 can rotate within a limited range, and also have a certain fixing effect on the rotary frame 28, and the rotary frame 28 mainly rotates and does not shake around.

Further, the rotating frame 28 includes a pair of frame bottom plates 2801 arranged in parallel, a distance between the pair of frame bottom plates 2801 is smaller than an outer diameter of the disc 6, and two sides of the disc 6 are pressed on the frame bottom plates 2801 and then connected with the base 27; a pair of framework bottom plates 2801 are provided with a chute connecting body 2803 on both sides in the length direction, the chute connecting body 2803 is provided with an arc chute 2804, and the chute connecting body 2803 is used for connecting the first mounting plate 30 and the second mounting plate 29; it is a pair of the width direction outside of skeleton bottom plate 2801 is equipped with skeleton link 2802, be equipped with a plurality of arcs on the skeleton link 2802 and step down the groove, skeleton link 2802 is close to the one end of first mounting panel 30 is equipped with a plurality of spacing through-holes 2805, a key unblock subassembly sets up and is a pair of be close to between the skeleton link 2802 first mounting panel 30 department.

With the rotating frame 28 of this structure, the disc 6 can press the frame bottom plate 2801, and the frame bottom plate 2801 is prevented from moving upwards, and the rotating motion between the two is not affected; the sliding groove connecting body 2803 and the arc-shaped sliding groove 2804 are arranged in the front-rear direction, so that the first mounting plate 30 and the second mounting plate 29 can be connected in a sliding mode and can rotate relatively, and the arc-shaped sliding groove 2804 has certain guiding and limiting effects.

The both sides of rotatory skeleton 28 set up respectively skeleton link 2802, seat skeleton 31 easy to assemble the top, it is a pair of the space that forms between skeleton link 2802 then can be used for installing a key unblock subassembly, rational utilization inner space, compact structure, occupation space are little for whole seat is also exquisite small and exquisite.

Further, the first mounting plate 30 and the second mounting plate 29 are fixed to the base 27 in a threaded manner, arc-shaped edges (including an arc-shaped edge 3001 and an arc-shaped edge 2901) are arranged on one side of the first mounting plate 30 and the second mounting plate 29 facing the disc, and the arc-shaped edges on the corresponding sides are arranged in the arc-shaped sliding grooves 2804 on the corresponding sides in a sliding manner.

The arc limit with the cooperation setting of arc spout 2804 is favorable to the rotary motion of rotatory skeleton 28, the non-annular setting of arc limit and arc spout is when guaranteeing rotatory effect, also can reduce the space occupation of seat both sides, makes things convenient for the seat to lay on car seat, makes it not occupy the spatial position more than a standard position.

Further, the one-key unlocking assembly comprises a buckle handle body 1 and a buckle handle upper cover 2 which can slide relatively, and the buckle handle body 1 is connected with the buckle handle upper cover 2 through a limiting piece 16 and a first spring 23; a fixed block 3 is arranged below the handle body 1, a movable block 4 is arranged in the fixed block 3, and a lock tongue 5 is arranged at the end part of the movable block 4; the movable block 4 with be connected with second spring 14 along locking direction between the fixed block 3, the top of movable block 4 is equipped with the protruding 8 of first block, be equipped with on the fixed block 3 with the protruding 9 of second block that 8 corresponds the setting of first block, first block protruding 8 with be connected with the stay cord subassembly on the protruding 9 of second block, the stay cord subassembly is walked around tie-beam 24 on the attacker upper cover 2 and is gone into in the attacker body 1, the other end of stay cord subassembly with the protruding 10 of third block in the attacker body 1 is connected, through detaining attacker body 1 drives the movement of stay cord subassembly makes the movable block 4 for fixed block 3 slides, accomplishes spring bolt 5 with the locking or the unblock of lockhole 7.

The limiting piece 16 and the first spring 23 are arranged to perform limiting and resetting functions, so that the handle body 1 and the handle upper cover 2 can relatively slide in a limited range, and the pull rope assembly is used for controlling the relative movement of the movable block 4 and the fixed block 3, so as to realize the movement of the lock tongue 5 at the end part of the movable block 4; the second spring 14 enables the movable block 4 to reciprocate in the fixed block 3, two sides of the fixed block 3 fall on the framework bottom plate 2801 and can be kept relatively fixed, and the movable block 4 moves in a telescopic manner under the action of the pull rope assembly; the first clamping protrusion 8, the second clamping protrusion 9 and the third clamping protrusion 10 can be connected with the pull rope assembly, so that the handle body 1 is buckled, the pull rope assembly can move along the wire grooves, the movable block 4 is pulled to move towards the inside of the fixed block 3, and the lock tongue 5 is pulled out of the lock hole 7 to complete unlocking; when the handle body 1 is released, the stay cord assembly loosens the movable block 4, and the bolt 5 is inserted into the lock hole 7 under the action of the spring force to complete locking.

Furthermore, the first engaging protrusion 8 is slidably engaged with and sleeved in the second engaging protrusion 9, and slots 11 are formed above the first engaging protrusion 8, the second engaging protrusion 9 and the third engaging protrusion 10; the stay cord assembly comprises a stay cord body 12 and connecting limiting ropes 13 arranged at two ends of the stay cord body 12, the connecting limiting ropes 13 are respectively clamped in the wire grooves 11, and the stay cord body 12 is arranged around the connecting beam 24.

The wire groove 11 is provided with a connecting limiting rope 13 which is beneficial to fixing, the rope body is clamped in the wire groove, and the limiting head is clamped at the end part of the wire groove, so that when one end pulls the pull rope body 12, the connecting limiting rope 13 at the other end can pull the first clamping bulge 8 to further slide into the second clamping bulge 9, and the unlocking state is realized at the moment; although the three protrusions are arranged on different parts, the wire grooves 11 formed above the three protrusions are in the same vertical plane, namely the plane of the reciprocating direction of the bolt 5.

Further, a pair of symmetrically arranged sliding groove bodies 18 is arranged in the interior of the buckle body 1 close to the side wall, and a pair of inclined sliding grooves 20 is arranged on the buckle upper cover 2; the limiting piece 16 is arranged in the chute body 18, the limiting column 17 above the limiting piece 16 is arranged in the inclined chute 20 in a sliding manner, and the other end of the limiting piece 16 can penetrate out of a through hole 19 in the side wall of the buckle body 1; the first spring 23 is arranged between the vertical plate in the upper cover 2 of the handle and the sliding chute 18.

The limiting piece 16 is a rod body, one end of the rod body is provided with limiting posts 17 which are symmetrical up and down, the lower limiting post 17 and the rod body are both arranged in the chute body 18, and the upper limiting post 17 falls into the inclined chute 20; in a locked state, the upper limiting column 17 is located at the end part, close to the inner side, of the inclined sliding chute 20, and the rod body is basically located in the sliding chute body 18; in the unlocking process, the handle body 1 moves relative to the handle upper cover 2, the limiting column 17 above the handle body slides outwards in the inclined sliding groove 20, the rod body slides in the sliding groove body 18, the end part of the rod body gradually moves out, and in the unlocking state, the end part of the rod body extends out of the side wall through hole 19 of the handle body 1 and is inserted into the limiting through hole 2805 in the framework connecting frame 2802, so that the unlocking state is temporarily kept, and the integral rotating operation is facilitated.

Further, a spring hole 15 is formed in the movable block 4, one end of the second spring 14 is sleeved in the spring hole 15, and the other end of the second spring is connected to a connecting column in the fixed block 3; the handle body 1 is close to the sliding groove body 18 and is further provided with a guide post 22, the handle upper cover 2 is provided with a guide groove 21 connected with the guide post 22 in a matched mode, and the guide groove 21 is located on two sides of the connecting beam 24.

The guide post 22 with the cooperation setting of guide way 21 is favorable to the relative reciprocating motion of attacker body 1 with attacker upper cover 2, and is accurate higher, and both can not rock relatively.

Further, the setting of attacker body 1 slope is in between the rotatory skeleton 28, attacker body 1 is close to one side of fixed block 3 still is equipped with limiting beam 25, limiting beam 25 corresponds connecting beam 24 sets up, attacker body 1 keeps away from limiting beam 25's one end still is equipped with attacker handle 26, the front end of base 27 is corresponding attacker handle 26 department is equipped with the recess 2702 of stepping down.

The limiting beam 25 is basically parallel to the connecting beam 44, and in the relative movement process, the limiting beam 25 is close to the connecting beam 44 and has a limiting effect to avoid excessive movement; the pull rope body passes through the limiting beam 25 from the lower part and upwards bypasses the connecting beam 24, and then enters the inside of the buckle body 1 again to be connected with the third clamping bulge 10.

The front end of attacker body 1 sets up attacker handle 26 conveniently stimulates attacker body 1, base 27 sets up here abdication recess 2702 makes things convenient for the hand to get into.

Further, a connecting disc 2701 is arranged in the middle of the base 27, a circle of annular groove is formed in the periphery of the connecting disc 2701, the disc 6 is installed on the connecting disc 2701 through a plurality of screws in a threaded manner, and a plurality of locking holes 7 are formed in the periphery of the disc 6 at intervals.

This arrangement facilitates the fixing and connection of the discs 6, and the locking holes 7 are arranged at angular intervals, such as 90 °, 60 °, etc.

Further, the outer bottom of the base 27 is horizontally arranged, the inner side of the base 27 is obliquely arranged, and the rotating framework 28 and the disc 6 are also obliquely arranged; base upper cover 32 has still been packaged with to the top of base 27, the middle part of base upper cover 32 is equipped with to expose disc 6 with rotatory skeleton 28 big round hole 3201, the top of rotatory skeleton 28 exposes the part and connects seat skeleton 31, first mounting panel 30 second mounting panel 29 with a key unblock subassembly all by base upper cover 32 covers.

Many functional components outside skeleton link 2802 and disc 6 can be sheltered from in the setting of base upper cover 32, and when whole seat assembly completion back, whole can be more pleasing to the eye, also can protect these functional components simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The one-key unlocking rotation adjusting structure of the child safety seat is characterized by comprising a rotation framework arranged on a base, wherein a disc is arranged in the middle of the rotation framework, the disc is positioned on the rotation framework and connected with the base, two ends of the rotation framework are respectively and movably connected with a first mounting plate and a second mounting plate, and the first mounting plate and the second mounting plate are respectively and fixedly connected with the base; a one-key unlocking assembly is further arranged in the rotating framework, a telescopic spring bolt is arranged on the one-key unlocking assembly, and the spring bolt is matched and connected with a lock hole in the periphery of the disc; the rotating framework rotates around the disc in an unlocking state, and the one-key unlocking assembly is used for controlling the locking relation between the rotating framework and the disc; the upper part of the rotary framework is used for connecting the seat framework.

2. The child safety seat one-key unlocking rotation adjusting structure according to claim 1, wherein the rotation frame comprises a pair of frame bottom plates arranged in parallel, the distance between the pair of frame bottom plates is smaller than the outer diameter of the disc, and two sides of the disc are pressed on the frame bottom plates and then connected with the base; two sides of the framework bottom plates in the length direction are respectively provided with a sliding chute connecting body, an arc-shaped sliding chute is arranged on each sliding chute connecting body, and each sliding chute connecting body is respectively used for connecting the first mounting plate and the second mounting plate; it is a pair of the width direction outside of skeleton bottom plate is equipped with the skeleton link, be equipped with a plurality of arcs on the skeleton link and step down the groove, the skeleton link is close to the one end of first mounting panel is equipped with a plurality of spacing through-holes, a key unblock subassembly sets up and is a pair of be close to between the skeleton link first mounting panel department.

3. The child safety seat one-key unlocking rotation adjusting structure according to claim 2, wherein the first mounting plate and the second mounting plate are respectively fixed to the base by screwing, and arc-shaped edges are respectively arranged on one sides of the first mounting plate and the second mounting plate facing the disc and are respectively arranged in the sliding grooves in a sliding manner.

4. The child safety seat according to claim 1, wherein the one-key unlocking assembly includes a handle body and a handle cover that are slidable relative to each other, and the handle body is connected to the handle cover through a stopper and a first spring; a fixed block is arranged below the handle body, a movable block is arranged in the fixed block, and the end part of the movable block is provided with the lock tongue; the movable block with be connected with the second spring along locking direction between the fixed block, the top of movable block is equipped with first block arch, be equipped with on the fixed block with it is protruding that first block arch corresponds the second block that sets up, first block arch with be connected with the stay cord subassembly in the second block arch, the stay cord subassembly is walked around buckle the tie-beam that covers on hand and get into in the attacker body, the other end of stay cord subassembly with third block protruding in the attacker body is connected, through detaining the attacker body drives the movement of stay cord subassembly makes the movable block for the fixed block slides, accomplishes the spring bolt with the locking or the unblock of lockhole.

5. The child safety seat with one-key unlocking rotation adjusting structure as claimed in claim 4, wherein the first engaging protrusion is slidably engaged with the second engaging protrusion, and slots are formed above the first engaging protrusion, the second engaging protrusion and the third engaging protrusion; the stay cord assembly comprises a stay cord body and connecting limiting ropes arranged at two ends of the stay cord body, the connecting limiting ropes are respectively clamped in the wire grooves, and the stay cord body is arranged around the connecting beam.

6. The child safety seat one-key unlocking rotation adjusting structure according to claim 4, wherein a pair of symmetrically arranged chute bodies are arranged inside the handle body, and a pair of inclined chutes are arranged on the handle upper cover; the limiting piece is arranged in the sliding chute body, a limiting column above the limiting piece is arranged in the inclined sliding chute in a sliding manner, and the other end of the limiting piece penetrates out of a through hole in the side wall of the buckle body; the first spring is arranged between the inner vertical plate of the upper cover of the handle and the sliding groove body.

7. The child safety seat one-key unlocking rotation adjusting structure according to claim 4, wherein a spring hole is formed in the movable block, one end of the second spring is sleeved in the spring hole, and the other end of the second spring is connected to the connecting column in the fixed block; the handle body is further provided with a guide post, the handle upper cover is provided with a guide groove in matched connection with the guide post, and the guide groove is located on two sides of the connecting beam.

8. The child safety seat's one-key unlocking rotation adjusting structure according to claim 4, wherein the handle body is inclined between the rotation frames, a limit beam is further disposed on one side of the handle body close to the fixing block, the limit beam corresponds to the connection beam, a handle is further disposed on one end of the handle body far away from the limit beam, and a abdicating groove is disposed at a position corresponding to the handle at the front end of the base.

9. The child safety seat with the one-key unlocking rotation adjusting structure according to claim 1, wherein a connecting disc is arranged in the middle of the base, a ring of annular grooves are formed in the periphery of the connecting disc, and a plurality of locking holes are formed in the periphery of the disc at intervals.

10. The child safety seat one-key-unlock rotation adjustment structure according to claim 1, wherein an outer bottom of the base is horizontally disposed, an inner side of the base is obliquely disposed, and the rotation frame and the disk are also obliquely disposed; the top of base still is packaged with the base upper cover, the middle part of base upper cover is equipped with to expose the disc with the big round hole of rotatory skeleton, the top of rotatory skeleton exposes the part and connects the seat skeleton, first mounting panel the second mounting panel with a key unblock subassembly all by the base upper cover covers.