CN107128220B

CN107128220B - Automobile seat for children

Info

Publication number: CN107128220B
Application number: CN201710315548.9A
Authority: CN
Inventors: 况志勇; 环小岗; 冯博
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2017-05-08
Filing date: 2017-05-08
Publication date: 2023-12-29
Anticipated expiration: 2037-05-08
Also published as: CN107128220A

Abstract

The invention discloses a child car seat, which comprises a base component and a backrest component arranged at the rear of the base component, wherein the base component can slide and can be rotatably connected below the backrest component, the child car seat is in an unfolding state and a folding state, when the child car seat is in the unfolding state, the base component extends along the front-rear direction, and when the child car seat is folded, the base component slides forwards relative to the backrest component and overturns upwards to be close to the backrest component. The child car seat is simple in structure, and the base component and the backrest component of the child car seat can slide and rotate relatively, so that the base component can slide and turn over relatively to the backrest component and fold together with the backrest component when the child car seat is not placed or carried, the structural volume of the child car seat is greatly reduced, and the child car seat is convenient to carry and store.

Description

Automobile seat for children

Technical Field

The invention relates to the technical field of children supplies, in particular to a children automobile seat.

Background

In order to improve the safety performance of children riding in automobiles, automobile seats for children are generally arranged on automobile seats. In the prior art, the child car seat cannot be folded, so that the child car seat needs to occupy a larger space when not being placed or carried, and is inconvenient to use.

Disclosure of Invention

The invention aims at overcoming the defects of the prior art and providing a child car seat which can be folded so as to be small in size and convenient to carry and store.

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

the utility model provides a children's car seat, includes base subassembly and sets up the back subassembly of base subassembly's rear, base subassembly can slide and rotationally connect the below of back subassembly, children's car seat has expansion and folding status, works as children's car seat is in the expansion status, base subassembly extends along fore-and-aft direction, works as children's car seat is folding, base subassembly is relative back subassembly slides forward and upwards overturns with back subassembly draws close together.

Preferably, the backrest assembly comprises a backrest main body extending along the up-down direction and a connecting piece fixedly connected below the backrest main body, the connecting piece extends along the front-back direction, the base assembly at least has a first position and a second position on the connecting piece, the second position is positioned in front of the first position, when the child car seat is in a unfolded state, the base assembly is locked at the first position on the connecting piece, and the connecting piece and the base assembly are matched with each other; when the base assembly is locked at the second position on the connecting piece, the cooperation between the connecting piece and the base assembly is released, the base assembly can be overturned to be close to the backrest main body, and the child car seat further comprises a first locking mechanism for locking the base assembly at the first position and the second position.

Further, the first locking mechanism includes a lock pin slidably disposed on the base assembly in a left-right direction, the lock pin being located at a first position or a second position when the first locking mechanism is in a locked state, the lock pin being slidably disposed between the first position and the second position when the first locking mechanism is in an unlocked state.

In a specific embodiment, a lock hole is formed in a first position on the connecting piece, a shaft hole is formed in a second position on the connecting piece, a sliding groove is further formed in the connecting piece, the sliding groove extends along the front-rear direction, the sliding groove is communicated with the lock hole and the shaft hole, when the child car seat is in a unfolding state, the lock pin is inserted into the lock hole, when the first locking mechanism is unlocked, the lock pin is separated from the lock hole, enters the sliding groove and can be slidably arranged along the length extending direction of the sliding groove, and when the lock pin slides into the shaft hole, the base assembly can be overturned to be close to the backrest main body.

Still further, children's car seat still includes the release button that is used for driving first locking mechanism unblock, release button can be followed left and right directions and slided and set up on the base subassembly, release button with lockpin looks fixed connection, children's car seat still includes the first elastic component that is used for driving the lockpin resets from the unblock state to the locking state.

Preferably, the base assembly is detachably connected to the backrest assembly.

Further, the child car seat further comprises a separation button for separating the base assembly from the backrest assembly, the separation button can be arranged on the base assembly in a sliding manner along the up-down direction, a first matching portion is arranged on the unlocking button, a second matching portion and a third matching portion which are matched with the first matching portion respectively are arranged on the separation button, when the unlocking button is operated to enable the first locking mechanism to be in an unlocking state, the first matching portion is matched with the second matching portion, when the unlocking button and the separation button are operated simultaneously, the first matching portion is matched with the third matching portion, the locking pin is separated from the connecting piece, and the child car seat further comprises a second elastic piece for driving the separation button to reset.

Preferably, the base assembly comprises a base shell for children to sit and stand and base side wings respectively arranged at the left side and the right side of the base shell, wherein the base shell can slide and can be rotationally connected below the backrest assembly, and the base side wings at the two sides are respectively in rotational connection with the base shell.

Further, the base side wing is provided with a first position and a second position on the base shell, the second position is located at the inner side of the first position, when the child car seat is in the unfolded state, the base side wing is located at the first position, when the child car seat is in the folded state, the base side wing is located at the second position, and the child car seat further comprises a second locking mechanism which is respectively arranged between the base side wing and the base shell at each side and used for locking the base side wing at the first position or the second position.

In a specific embodiment, the second locking mechanism on each side includes a first protrusion disposed on the base side wing, a first slot disposed at a first position and a second position on the base housing and engaged with the first protrusion, or the second locking mechanism on each side includes a first slot disposed on the base side wing, a first protrusion disposed at a first position and a second position on the base housing and engaged with the first slot, and when the second locking mechanism is in a locked state, the first protrusion is engaged into the first slot, and when the second locking mechanism is in an unlocked state, the first protrusion is disengaged from the first slot.

Still further, the base side wings are movable forward or rearward relative to the base housing to unlock the second locking mechanism, and the base assembly further includes a third resilient member for urging the second locking mechanism from the unlocked state to the locked state.

Specifically, the base flanks on both sides are respectively fixedly provided with a first shaft which is rotationally connected with the base shell, the first shaft extends along the front-back direction, the first shaft can be slidably arranged on the base shell along the front-back direction, and the third elastic piece is arranged between one end part of the first shaft and the base shell.

Preferably, the backrest assembly comprises a backrest main body, wherein the backrest main body comprises a backrest shell for supporting a child to lean against and backrest flanks respectively arranged on the left side and the right side of the backrest shell, and the backrest flanks on the two sides are respectively connected with the backrest shell in a rotating way.

Further, the backrest side wings have a first position and a second position on the backrest shell, the second position is located at the inner side of the first position, the backrest side wings are located at the first position when the child car seat is in the unfolded state, the backrest side wings are located at the second position when the child car seat is in the folded state, and the child car seat further comprises third locking mechanisms respectively arranged between the backrest side wings and the backrest shell at each side and used for locking the backrest side wings at the first position or the second position.

In a specific embodiment, the third locking mechanism on each side includes a second protrusion disposed on the backrest side wing, and a second slot that is disposed at a first position and a second position on the backrest shell and is matched with the second protrusion, or the third locking mechanism on each side includes a second slot that is disposed on the backrest side wing, and a second protrusion that is disposed at a first position and a second position on the backrest shell and is matched with the second slot, and when the third locking mechanism is in a locked state, the second protrusion is clamped into the second slot, and when the third locking mechanism is in an unlocked state, the second protrusion is separated from the second slot.

Still further, the back side wing is movable upward or downward relative to the back shell to unlock the third locking mechanism, and the back assembly further includes a fourth elastic member for urging the third locking mechanism to return from the unlocked state to the locked state.

Specifically, the two sides are respectively fixedly provided with a second shaft which is rotationally connected with the backrest shell, the second shafts extend along the up-down direction, the second shafts can be arranged on the backrest shell in a sliding manner along the up-down direction, and the fourth elastic piece is arranged between one end part of the second shafts and the backrest shell.

Preferably, the child car seat further comprises a head rest assembly, and the head rest assembly is arranged on the backrest assembly in a manner of being capable of sliding up and down.

Further, the head rest assembly includes a head rest back plate slidably disposed up and down on the backrest assembly and a head rest main body slidably disposed up and down on the head rest back plate.

Further, when the child car seat is in the unfolded state, the head support assembly extends upwards out of the backrest assembly, when the child car seat is in the folded state, the head support assembly is retracted downwards into the backrest assembly, and the upper end of the head support assembly is flush with the upper end of the backrest assembly.

Preferably, the base assembly comprises a base shell for children to sit and stand and base side wings arranged on the left side and the right side of the base shell respectively, the base side wings on two sides are respectively connected with the base shell in a rotating mode, the backrest assembly comprises a backrest shell for children to lean back and backrest side wings arranged on the left side and the right side of the backrest shell respectively, the backrest side wings on two sides are respectively connected with the backrest shell in a rotating mode, the child car seat further comprises a head support assembly capable of being arranged on the backrest assembly in an up-down sliding mode, when the child car seat is folded, the base side wings on two sides are respectively turned towards the inner side of the child car seat relative to the base shell, the head support assembly slides downwards and is retracted into the backrest assembly, the base assembly slides forwards relative to the backrest assembly and is turned upwards until the base assembly is close to the backrest assembly, and the side wings on the backrest are accommodated inside the backrest.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the child car seat is simple in structure, and the base component and the backrest component of the child car seat can slide and rotate relatively, so that the base component can slide and turn over relative to the backrest component and close to the backrest component to be folded together when the child car seat is not placed or carried, the structural volume of the child car seat is greatly reduced, and the child car seat is convenient to carry and store.

Drawings

FIG. 1 is a schematic view of a child car seat according to the present invention in an unfolded state;

FIG. 2 is a schematic view showing the structure of the child car seat in a folded state;

FIG. 3 is a schematic view of the structure of the seat assembly of the child car seat of the present invention in a first position on the connector (with the seat side wings, back side wings and head rest assembly all in a folded state);

FIG. 4 is a schematic view of the structure of the seat assembly of the child car seat of the present invention in a second position on the connector (the seat side wings, the backrest side wings and the head rest assembly are all in a folded state);

fig. 5 is a schematic structural view (enlarged view) of the connector for a child car seat according to the present invention;

FIG. 6 is a front view of the seat shell of the child car seat of the present invention (the first locking mechanism is in a locked state);

FIG. 7 is a top view of the seat shell of the child car seat of the present invention (the first locking mechanism is in a locked state);

FIG. 8 is a schematic view of the first locking mechanism, the unlocking button and the separation button of the child car seat according to the present invention (the first locking mechanism is in a locked state);

FIG. 9 is a front view of the seat shell of the child car seat of the present invention (the first locking mechanism is in an unlocked state);

FIG. 10 is a top view of the base housing of the child car seat of the present invention (with the first locking mechanism in an unlocked state);

FIG. 11 is a schematic view showing the structure of the first locking mechanism, the unlocking button and the separation button of the child car seat according to the present invention (the first locking mechanism is in the unlocked state)

FIG. 12 is a front view of the seat shell of the child car seat of the present invention (with the seat assembly separated from the backrest assembly);

FIG. 13 is a top view of the seat shell of the child car seat of the present invention (with the seat assembly separated from the backrest assembly);

FIG. 14 is a schematic view showing the structure of a first locking mechanism, an unlocking button and a separation button of the child car seat according to the present invention (when the base assembly is separated from the backrest assembly);

FIG. 15 is a front view of the seat assembly of the child car seat of the present invention (the second locking mechanism locking the seat side wings in a first position on the seat shell);

FIG. 16 is a front view of the seat assembly of the child car seat of the present invention (with the second locking mechanism in an unlocked state);

fig. 17 is a front view of a seat assembly of a child car seat of the present invention (second a locking mechanism locks the base side wings in a second position on the base housing);

FIG. 18 is a schematic view showing the structure of a base housing of the child car seat of the present invention;

FIG. 19 is a schematic view showing the structure of a base side wing of the child car seat of the present invention;

FIG. 20 is a front view of the back assembly of the child car seat of the present invention (the third locking mechanism locking the back side wings in a first position on the back shell);

FIG. 21 is a front view of the backrest assembly of the child car seat of the present invention (with the third locking mechanism in an unlocked state);

FIG. 22 is a front view of the back assembly of the child car seat of the present invention (the third locking mechanism locking the back side wings in the second position on the back shell);

FIG. 23 is a schematic view (enlarged view) of the back shell of the child car seat of the present invention;

FIG. 24 is a schematic view (enlarged view) of the structure of a back side wing of the child car seat of the present invention;

FIG. 25 is a schematic structural view of a head rest assembly of a child car seat according to the present invention;

FIG. 26 is a schematic view showing the structure of the head rest main body of the child car seat according to the present invention when it is adjusted on the head rest back plate;

fig. 27 is a second schematic view of the structure of the head rest main body of the child car seat according to the present invention when adjusted on the head rest back plate.

Wherein: 1. base seat a component; 11. a base housing; 111. slotting; 112. a first clamping groove; 12. a base side wing; 13. a third elastic member; 14. a first shaft; 121. first one a protrusion; 2. a backrest assembly; 21. a connecting piece; 211. a convex portion; 212. a lock hole; 213. a shaft hole; 214. a chute; 215. a mating surface; 22. a back rest housing; 221. a second clamping groove; 23. a back side wing; 231. a second protrusion; 24. a fourth elastic member; 25. a second shaft; 3. a head rest assembly; 31. a head rest back plate; 32. a head rest main body; 41. a locking pin; 42. an unlock button; 421. first one a mating portion; 43. a first elastic member; 51. a separation button; 511. a second mating portion; 512. a third mating portion; 52. second one an elastic member.

Detailed Description

The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.

As shown in fig. 1 and 2, the child car seat of the present invention includes a base assembly 1, a backrest assembly 2, and a head rest assembly 3.

The base assembly 1 includes a base housing 11 for seating a child and base wings 12 provided at left and right sides of the base housing 11 for protecting the child, respectively.

The backrest assembly 2 comprises a backrest main body extending along the up-down direction and a connecting piece 21 fixedly connected below the backrest main body, the connecting piece 21 extends along the front-back direction, the connecting piece 21 is used for connecting the backrest assembly 2 and the base assembly 1, the backrest main body comprises a backrest shell 22 for a child to lean against and backrest flanks 23 respectively arranged on the left side and the right side of the backrest shell 22 and used for protecting the child, and the connecting piece 21 is fixedly connected to the lower part of the backrest shell 22.

The base assembly 1 is slidably and rotatably connected under the backrest assembly 2, and in particular, the base housing 11 is slidably and rotatably connected to the connector 21, which gives the child car seat an unfolded and folded state, and the base assembly 1 extends in the front-rear direction when the child Tong Qi car seat is in the unfolded state, as shown in fig. 1; when the child Tong Qi seat is folded, the base assembly 1 slides forward relative to the backrest assembly 2 and is flipped up to come close to the backrest assembly 2, as shown in fig. 2.

As shown in fig. 3 and 4, the base housing 11 has at least a first position and a second position on the connecting member 21, the second position is located in front of the first position, when the seat Tong Qi is in the unfolded state, the base housing 11 is locked at the first position on the connecting member 21, and at this time, the connecting member 21 and the base housing 11 are also engaged with each other, which prevents the base assembly 1 from being turned over relative to the backrest assembly 2; when the base housing 11 is locked in the second position on the connector 21, the engagement between the connector 21 and the base housing 11 is released, and the base assembly 1 can be flipped over to close the backrest assembly 2, and the child car seat further comprises a first locking mechanism for locking the base housing 11 in the first position and in the second position on the connector 21.

In this embodiment, the fitting manner of the connecting piece 21 and the base housing 11 is: the base shell 11 is provided with a slot 111, the connecting piece 21 is provided with a convex part 211 matched with the slot 111 and a matching surface 215 positioned below the convex part 211, when the base shell 11 is positioned at a first position on the connecting piece 21, the convex part 211 is clamped in the slot 111, the base shell 11 is abutted against the matching surface 215, and the base assembly 1 cannot be overturned due to the blocking of the convex part 211 and the matching surface 215; when the base assembly 1 slides forward gradually relative to the backrest assembly 2 to enable the base housing 11 to be in the second position on the connecting member 21, the protruding portion 211 is gradually disengaged from the slot 111, and the base housing 11 is disengaged from the mating surface 215, so that the base assembly 1 can be turned relative to the backrest assembly 2.

As shown in fig. 5 to 14, the first lock mechanism includes a lock pin 41 slidably provided on the base housing 11 in the left-right direction, and when the first lock mechanism is in the locked state, the lock pin 41 is located at the first position or the second position, and when the first lock mechanism is in the unlocked state, the lock pin 41 is slidably provided between the first position and the second position.

Specifically, the first position department is equipped with lockhole 212 on connecting piece 21, the second position department is equipped with shaft hole 213 on connecting piece 21, still be equipped with spout 214 on the connecting piece 21, spout 214 extends along fore-and-aft direction, spout 214 intercommunication lockhole 212 and shaft hole 213, when Tong Qi saddle is in the state of expanding, lockpin 41 inserts lockhole 212, when first locking mechanical system unblock, lockpin 41 deviate from lockhole 212 and get into spout 214 and can set up along the length extension direction of spout 214 slidingly, when lockpin 41 slides and gets into shaft hole 213, base subassembly 1 can overturn and draw close with the back main part.

The child car seat further comprises an unlocking button 42 for driving the first locking mechanism to unlock, the unlocking button 42 is also slidably arranged on the base housing 11 along the left-right direction, in this embodiment, the unlocking button 42 is fixedly connected with the lock pin 41, the child car seat further comprises a first elastic member 43 for driving the lock pin 41 to reset from the unlocking state to the locking state, and the first elastic member 43 is arranged between the lock pin 41 and the base housing 11. In this embodiment, the first elastic member 43 adopts a compression spring, and two ends of the compression spring are fixedly connected to the lock pin 41 and the base housing 11, respectively.

In this embodiment, the connecting members 21 are respectively disposed on the left and right sides of the lower portion of the backrest housing 22, corresponding lock pins 41, unlock buttons 42 and first elastic members 43 are also respectively disposed on the left and right sides of the base housing 11, and the lock pins 41, unlock buttons 42 and first elastic members 43 on both sides are respectively disposed on the inner sides of the connecting members 21 on the corresponding sides, and when the first locking mechanism is locked or unlocked, the sliding directions of the unlock buttons 42 on both sides and the lock pins 41 are opposite.

The base component 1 and the backrest component 2 can be detachably connected, so that the base component 1 and the backrest component 2 can be stored separately when the child car seat is not used.

The child car seat further comprises a separation button 51 for separating the base assembly 1 from the backrest assembly 2, the separation button 51 is slidably arranged on the base housing 11 along the up-down direction, a first matching part 421 is arranged on the unlocking button 42, a second matching part 511 and a third matching part 512 matched with the first matching part 421 are arranged on the separation button 51, the third matching part 512 is positioned above the second matching part 511, the distance between the first matching part 421 and the second matching part 511 is smaller than the distance between the first matching part 421 and the third matching part 512, when the unlocking button 42 is operated to unlock the first locking mechanism, the unlocking button 42 slides on the base housing 11, so that the distance between the first matching part 421 and the second matching part 511 is gradually reduced until the first matching part 421 and the second matching part are abutted, and at the moment, the first locking mechanism is in an unlocking state; when the release button 51 is pressed down again while the release button 42 is operated, the release button 51 slides down on the base housing 11, and at this time, the first engaging portion 421 is disengaged from the second engaging portion 511 and gradually approaches the third engaging portion 512 until the first engaging portion 421 abuts against the third engaging portion 512 to be in an engaged state, and in this process, the lock pin 41 slides along with the release button 42 until being completely separated from the connecting member 21, and at this time, the base assembly 1 can be removed from the backrest assembly 2, and the two are placed separately. The child car seat further comprises a second elastic member 52 for driving the separation button 51 to return, and the second elastic member 52 is disposed between the separation button 51 and the base housing 11. In this embodiment, the second elastic member 52 adopts a compression spring, and two ends of the compression spring are respectively and fixedly connected to the separation button 51 and the base housing 11.

As shown in fig. 15 to 19, the base side wings 12 on both sides are rotatably connected to the base housing 11, respectively, such that the base side wings 12 have a first position and a second position on the base housing 11, the second position being located inside the first position, and when the child Tong Qi seat is in the unfolded state, the base side wings 12 are located at the first position on the base housing 1, as shown in fig. 15, which makes the space for sitting the child relatively large; when the child Tong Qi seat is in the folded state, the base side wings 12 are in the second position on the base housing 1, as shown in fig. 17, so that after the child car seat is folded, the base side wings 12 can be folded on the inner side of the backrest assembly 2, and the folded child car seat is compact in structure and small in size.

The child car seat further comprises a second locking mechanism for locking the base side flap 12 in the first position or in the second position, the second locking mechanism being arranged between the base side flap 12 and the base housing 11 on each side, respectively.

Specifically, the second locking mechanism on each side includes a first protrusion 121 disposed on the base side wing 12, and a first slot 112 that is disposed at a first position and a second position on the base housing 11 and is matched with the first protrusion 121, and of course, the first protrusion 121 and the first slot 112 may be disposed in opposite directions, that is, the first slot 112 is disposed on the base side wing 12, and the first protrusion 121 that is matched with the first slot 112 is disposed at the first position and the second position on the base housing 11. The first protrusion 121 is snapped into the first slot 112 when the second locking mechanism locks the base wing 12 in the first position or the second position, and the first protrusion 121 is disengaged from the first slot 112 when the second locking mechanism is in the unlocked state.

When the seat of Tong Qi is in the deployed state, the base side wings 12 can be moved forward or backward relative to the base housing 11 to unlock the second locking mechanism, and the base side wings 12 can be flipped relative to the base housing 11 to switch between the first and second positions. In this embodiment, the child car seat is in the unfolded state, and the second locking mechanism is unlocked by pulling the base side wings 12 to move backward relative to the base housing 11. The base assembly 1 further comprises a third elastic member 13 for urging the second locking mechanism from the unlocked state to the locked state.

Specifically, the base side wings 12 on two sides are respectively connected with the base housing 11 through the first shaft 14 in a rotating manner, the first shaft 14 extends along the front-rear direction, the first shaft 14 is fixedly arranged on the base side wings 12, and the first shaft 14 can rotate and slide front and rear relative to the base housing 11, so that the base side wings 12 are driven to rotate and slide front and rear relative to the base housing 11, the third elastic piece 13 is arranged between one end of the first shaft 14 and the base housing 11, the elastic direction of the third elastic piece 13 is the same as the extending direction of the axis of the first shaft 14, in this embodiment, the first protrusions 121 and the third elastic piece 13 are all positioned at the rear part of the base side wings 12, and the third elastic piece 13 adopts tension springs. When the base side wing 12 is at the first position on the base shell 11, the base side wing 12 is pulled forward for a certain distance until the first protrusion 121 is disengaged from the first clamping groove 112 at the first position, the second locking mechanism is unlocked, at this time, the base side wing 12 can be turned towards the inner side of the child car seat to rotate from the first position to the second position, when the base side wing 12 is at the second position, the base side wing 12 is released, the base side wing 12 moves backward under the elastic force of the third elastic piece 13 until the first protrusion 121 is clamped into the first clamping groove 112 at the second position, and the second locking mechanism locks the base side wing 12 at the second position on the base shell 11. The manner of adjusting the base side wing 12 from the second position to the first position on the base housing 11 is the same as that described above, as long as the base side wing 12 is turned outside the child car seat after unlocking the second locking mechanism when the base side wing 12 is in the second position on the base housing 11.

As shown in fig. 20 to 24, the backrest flanks 23 on both sides are respectively rotatably connected with the backrest shell 22, so that the backrest flanks 23 have a first position and a second position on the backrest shell 22, the second position is located on the inner side of the first position, and when the child Tong Qi saddle is in the unfolded state, the backrest flanks 23 are located at the first position on the backrest shell 22, as shown in fig. 20, which makes the space for the child backrest relatively larger, and of course, the backrest flanks can be adjusted to the second position according to the needs of the child, as shown in fig. 22; when the child Tong Qi seat is in the folded condition, the back side wings 23 are in the second position on the back shell 22, which results in a more compact and smaller structure after the child car seat is folded.

The child car seat further comprises a third locking mechanism for locking the back side wing 23 in the first position or the second position, the third locking mechanism being provided between the back side wing 23 and the back shell 22, respectively, on each side.

Specifically, the third locking mechanism on each side includes a second protrusion 231 disposed on the back side wing 23, and second clamping grooves 221 respectively disposed at a first position and a second position on the back shell 22 and matched with the second protrusion 231, and of course, the second protrusion 231 and the second clamping grooves 221 may be disposed in opposite directions, that is, the second clamping grooves 221 are disposed on the back side wing 23, and the second protrusion 231 matched with the second clamping grooves 221 is disposed at the first position and the second position on the back shell 22. The second protrusion 231 is caught in the second catching groove 221 when the third locking mechanism locks the back side wing 23 at the first position or the second position, and the second protrusion 231 is escaped from the second catching groove 221 when the third locking mechanism is in the unlocked state.

When the seat Tong Qi is in the deployed condition, the back side wing 23 can be moved upwardly or downwardly relative to the back shell 22 to unlock the third locking mechanism, and the back side wing 23 can be reciprocally shifted between the first position and the second position. In this embodiment, the third locking mechanism is unlocked by pulling the back side wings 23 upwardly relative to the back shell 22 when the child car seat is in the deployed condition. The backrest assembly 2 further comprises a fourth elastic member 24 for urging the third locking mechanism from the unlocked state to the locked state.

Specifically, the backrest flanks 23 on two sides are respectively connected with the backrest shell 22 by rotation of the second shaft 25, the second shaft 25 extends along the up-down direction, the second shaft 25 is fixedly arranged on the backrest flanks 23, and the second shaft 25 can rotate and slide up-down relative to the backrest shell 22, so as to drive the backrest flanks 23 to rotate and slide up-down relative to the backrest shell 22, the fourth elastic member 24 is arranged between one end of the second shaft 25 and the backrest shell 22, and the elastic direction of the fourth elastic member 24 is the same as the extending direction of the axis of the second shaft 25, in this embodiment, the fourth elastic member 24 adopts a tension spring. When the back side wing 23 is located at the first position on the back shell 22, the back side wing 23 is pulled upwards for a certain distance until the second protrusion 231 is disengaged from the second clamping groove 221 at the first position, the third locking mechanism is unlocked, at this time, the back side wing 23 can be turned towards the inner side of the child car seat to rotate from the first position to the second position, when the back side wing 23 is located at the second position, the back side wing 23 is released, the back side wing 23 moves downwards under the elastic force of the fourth elastic member 24 until the second protrusion 231 is clamped into the second clamping groove 221 at the second position, and the third locking mechanism locks the back side wing 23 at the second position on the back shell 22. The manner in which the back side wings 23 are adjusted from the second position to the first position on the back shell 22 is the same as described above, as long as the back side wings 23 are turned outside the child car seat after unlocking the third locking mechanism when the back side wings 23 are in the second position on the back shell 22.

The head rest assembly 3 can be slidably arranged on the backrest shell 22 along the extending direction of the backrest shell 22, so that the height of the head rest assembly 3 on the backrest shell 22 can be adjusted according to the height of a child, and meanwhile, when the child car seat is folded, the head rest assembly 3 can be made to slide downwards and retract into the backrest assembly 2, so that the volume of the folded child car seat is reduced.

Specifically, the head rest assembly 3 includes a head rest back plate 31 and a head rest main body 32 extending in the up-down direction, the head rest back plate 31 is slidably disposed on the backrest shell 22 up and down, and the head rest main body 32 is slidably disposed on the head rest back plate 31 up and down, so that the adjustment travel of the head rest assembly 3 on the backrest shell 22 can be increased to satisfy the child use in a larger height range. The head rest assembly 3 further includes a fourth locking mechanism for locking the relative position of the head rest backboard 31 and the head rest main body 32, and a fifth locking mechanism for locking the relative position between the head rest backboard 31 and the backrest shell 22, and the specific structures of the fourth locking mechanism and the fifth locking mechanism are not technical points to be protected in this patent, and all the structures in the prior art can be adopted.

When the child car seat is in the unfolded state, the base housing 11 extends in the front-rear direction, the backrest housing 22 extends in the up-down direction, the base housing 11 is locked at the first position on the connecting piece 21 by the first locking mechanism, the base housing 11 and the connecting piece 21 are matched with each other, the base side wings 12 are locked at the first position on the base housing 11 by the second locking mechanism, the backrest side wings 23 are locked at the first position on the backrest housing 22 by the third locking mechanism, the headrest assembly 3 extends upwards out of the backrest assembly 2, and the extending height of the headrest assembly 3 on the backrest assembly 2 can be adjusted according to the height of a child, as shown in fig. 1.

When the child Tong Qi seat is folded in the unfolded state, the second locking mechanism is unlocked to enable the base side wings 12 to turn towards the inner side of the child car seat relative to the base shell 11, so that the base side wings 12 are adjusted from a first position to a second position on the base shell 11; after the third locking mechanism is unlocked, the backrest flanks 23 are turned towards the inner side of the child car seat relative to the backrest shell 22, so that the backrest flanks 23 are adjusted from a first position to a second position on the backrest shell 22; sliding the head rest assembly 3 downward on the backrest shell 22 until the upper end of the head rest assembly 3 is flush with the upper end of the backrest assembly 2, and fully retracting the head rest assembly 3 downward into the backrest assembly 2, as shown in fig. 3; then, the unlocking button 42 is operated to enable the unlocking button 42 to slide along the left-right direction relative to the base shell 11, when the unlocking button 42 slides, the locking pin 41 is driven to slide synchronously, so that the locking pin 41 gradually disengages from the locking hole 212, after the locking pin 41 is completely disengaged from the locking hole 212 and enters the sliding groove 214, the base assembly 1 is pulled forwards, the locking pin 41 slides in the sliding groove 214 along the length extending direction of the sliding groove 214 until the base assembly 1 slides to a second position on the connecting piece 21, then, the unlocking button 42 is released, the locking pin 41 is inserted into the shaft hole 213 under the action of the elastic force of the first elastic piece 43, the first locking mechanism is in a locked state, and the cooperation between the connecting piece 21 and the base shell 11 is in a disengaged state as shown in fig. 4; the base assembly 1 is turned upwards with the lock pin 41 as a rotation shaft until the base assembly 1 and the backrest assembly 2 are close together, as shown in fig. 2. At this time, the base housing 11 also extends in the up-down direction and is approximately parallel to the backrest housing 22, the base side wings 12 are accommodated inside the backrest side wings 23, and the folded child car seat is compact in structure, small in size and convenient to carry and store.

Of course, when the child car seat is folded, the base assembly 1 and the backrest assembly 2 may be detached by the separation button 51, and then the backrest assembly 2, the head rest assembly 3 and the base assembly 1 may be folded according to the above-mentioned folding method.

In the above description of the directions, the directions are defined according to the directions observed when the child Tong Qi seat is in the unfolded state and the child sits in the child car seat, and the directions in which the child sits on the child car seat face are the front directions, and the left and right sides thereof are the left and right directions in the present embodiment.

The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims

1. The utility model provides a children's car seat, is in including base subassembly and setting are in the back subassembly of base subassembly, its characterized in that: the seat assembly can slide and can be rotatably connected below the backrest assembly, the child car seat is in an unfolding state and a folding state, the seat assembly extends in the front-rear direction when the child car seat is in the unfolding state, the seat assembly slides forwards relative to the backrest assembly and turns upwards to be close to the backrest assembly when the child car seat is folded, the backrest assembly comprises a backrest main body extending in the up-down direction and a connecting piece fixedly connected below the backrest main body, the connecting piece extends in the front-rear direction, the seat assembly can be slidably and rotatably connected to the connecting piece, the seat assembly at least has a first position and a second position on the connecting piece, the second position is positioned in front of the first position, the seat assembly is locked at the first position on the connecting piece when the child car seat is in the unfolding state, and the connecting piece and the seat assembly are mutually matched; when the base assembly is locked at the second position on the connecting piece, the cooperation between the connecting piece and the base assembly is released, the base assembly can be overturned to be close to the backrest main body, and the child car seat further comprises a first locking mechanism for locking the base assembly at the first position and the second position.

2. A child car seat according to claim 1, wherein: the first locking mechanism comprises a lock pin which can be arranged on the base assembly in a sliding mode along the left-right direction, the lock pin is positioned at a first position or a second position when the first locking mechanism is in a locking state, and the lock pin can be arranged between the first position and the second position in a sliding mode when the first locking mechanism is in an unlocking state.

3. A child car seat according to claim 2, wherein: the utility model discloses a child car seat, including the connecting piece, the connecting piece is equipped with the first position department, the second position department is equipped with the shaft hole on the connecting piece, still be equipped with the spout on the connecting piece, the spout extends along the fore-and-aft direction, the spout intercommunication the lockhole with the shaft hole, when children car seat is in the state of expanding, the lockpin inserts in the lockhole, works as when first locking mechanical system unblock, the lockpin is followed deviate from in the lockhole get into the spout and can follow the length extension direction of spout sets up slidingly, works as the lockpin slides and gets into in the shaft hole, the base subassembly can overturn with the back main part draws close.

4. A child car seat according to claim 2, wherein: the child car seat further comprises an unlocking button used for driving the first locking mechanism to unlock, the unlocking button can be arranged on the base assembly in a sliding mode along the left-right direction, the unlocking button is fixedly connected with the lock pin, and the child car seat further comprises a first elastic piece used for driving the lock pin to reset from an unlocking state to a locking state.

5. The child car seat according to claim 4, wherein: the base assembly is detachably connected with the backrest assembly.

6. A child car seat according to claim 5, wherein: the child car seat further comprises a separation button used for enabling the base assembly to be separated from the backrest assembly, the separation button can be arranged on the base assembly in a sliding mode along the up-down direction, a first matching portion is arranged on the unlocking button, a second matching portion and a third matching portion which are matched with the first matching portion are arranged on the separation button respectively, when the unlocking button is operated to enable the first locking mechanism to be in an unlocking state, the first matching portion is matched with the second matching portion, when the unlocking button and the separation button are operated simultaneously, the first matching portion is matched with the third matching portion, the locking pin is separated from the connecting piece, and the child car seat further comprises a second elastic piece used for driving the separation button to reset.

7. A child car seat according to claim 1, wherein: the base assembly comprises a base shell for children to sit and stand and base side wings arranged on the left side and the right side of the base shell respectively, wherein the base shell can slide and can be rotationally connected to the lower side of the backrest assembly, and the base side wings on the two sides are respectively and rotationally connected with the base shell.

8. The child car seat according to claim 7, wherein: the child car seat comprises a base shell, a child car seat, a base side wing, a second locking mechanism and a locking mechanism, wherein the base side wing is arranged on the base shell and is provided with a first position and a second position, the second position is located on the inner side of the first position, the base side wing is located at the first position when the child car seat is in an unfolding state, the base side wing is located at the second position when the child car seat is in a folding state, and the child car seat further comprises a second locking mechanism which is arranged on each side and is used for locking the base side wing at the first position or the second position between the base side wing and the base shell.

9. The child car seat according to claim 8, wherein: each side of the second locking mechanism comprises a first protrusion arranged on the base side wing, a first clamping groove matched with the first protrusion and respectively arranged at a first position and a second position on the base shell, or each side of the second locking mechanism comprises a first clamping groove arranged on the base side wing, a first protrusion matched with the first clamping groove and respectively arranged at the first position and the second position on the base shell, when the second locking mechanism is in a locking state, the first protrusion is clamped into the first clamping groove, and when the second locking mechanism is in an unlocking state, the first protrusion is separated from the first clamping groove.

10. The child car seat according to claim 8, wherein: the base side wings are movable forward or rearward relative to the base housing to unlock the second locking mechanism, and the base assembly further includes a third resilient member for urging the second locking mechanism from the unlocked state to the locked state.

11. A child car seat according to claim 10, wherein: the base flanks on the two sides are respectively fixedly provided with a first shaft which is rotationally connected with the base shell, the first shafts extend along the front-back direction, the first shafts can be slidably arranged on the base shell along the front-back direction, and the third elastic piece is arranged between one end part of the first shafts and the base shell.

12. A child car seat according to claim 1, wherein: the backrest assembly comprises a backrest main body, wherein the backrest main body comprises a backrest shell for supporting a child to lean against and backrest flanks respectively arranged on the left side and the right side of the backrest shell, and the backrest flanks on the two sides are respectively connected with the backrest shell in a rotating way.

13. A child car seat according to claim 12, wherein: the backrest side wings are provided with a first position and a second position on the backrest shell, the second position is positioned at the inner side of the first position, when the child car seat is in a unfolded state, the backrest side wings are positioned at the first position, when the child car seat is in a folded state, the backrest side wings are positioned at the second position, and the child car seat further comprises third locking mechanisms which are respectively arranged between the backrest side wings and the backrest shell at each side and used for locking the backrest side wings at the first position or the second position.

14. A child car seat according to claim 13, wherein: the third locking mechanisms on each side respectively comprise a second bulge arranged on the backrest side wing and a second clamping groove matched with the second bulge and respectively arranged at a first position and a second position on the backrest shell, or the third locking mechanisms on each side respectively comprise a second clamping groove arranged on the backrest side wing and a second bulge matched with the second clamping groove and respectively arranged at the first position and the second position on the backrest shell, when the third locking mechanism is in a locking state, the second bulge is clamped into the second clamping groove, and when the third locking mechanism is in an unlocking state, the second bulge is separated from the second clamping groove.

15. A child car seat according to claim 13, wherein: the backrest side wings can move upwards or downwards relative to the backrest shell so as to unlock the third locking mechanism, and the backrest assembly further comprises a fourth elastic piece for driving the third locking mechanism to return from the unlocking state to the locking state.

16. A child car seat according to claim 15, wherein: the two sides of the backrest side wings are respectively fixedly provided with a second shaft which is rotationally connected with the backrest shell, the second shafts extend along the up-down direction, the second shafts can be arranged on the backrest shell in a sliding manner along the up-down direction, and the fourth elastic piece is arranged between one end part of the second shafts and the backrest shell.

17. A child car seat according to claim 1, wherein: the child car seat further comprises a head support assembly, and the head support assembly can be arranged on the backrest assembly in an up-and-down sliding mode.

18. A child car seat according to claim 17, wherein: the head support assembly comprises a head support back plate capable of being arranged on the backrest assembly in a vertical sliding mode and a head support main body capable of being arranged on the head support back plate in a vertical sliding mode.

19. A child car seat according to claim 17 or 18, wherein: when the child car seat is in an unfolding state, the head support assembly extends upwards out of the backrest assembly, when the child car seat is in a folding state, the head support assembly is retracted downwards into the backrest assembly, and the upper end of the head support assembly is flush with the upper end of the backrest assembly.

20. The child car seat according to claim 1, the method is characterized in that: the seat assembly comprises a seat shell for children to sit and stand and seat side wings arranged on the left side and the right side of the seat shell respectively, the seat side wings on the two sides are respectively connected with the seat shell in a rotating mode, the backrest assembly comprises a backrest shell for children to lean against and backrest side wings arranged on the left side and the right side of the backrest shell respectively, the backrest side wings on the two sides are respectively connected with the backrest shell in a rotating mode, the child car seat further comprises a head support assembly capable of being arranged on the backrest assembly in a sliding mode up and down, when the child car seat is folded, the seat side wings on the two sides are respectively turned towards the inner side of the child car seat relative to the seat shell, the head support assembly slides downwards and is retracted into the backrest assembly, the seat assembly slides forwards relative to the backrest assembly and is turned upwards until the seat assembly is close to the backrest side wings, and the seat side wings are accommodated on the inner side wings of the backrest.