CN213292069U

CN213292069U - Child safety seat

Info

Publication number: CN213292069U
Application number: CN202021590844.3U
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: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-05-28
Anticipated expiration: 2030-08-04

Abstract

The utility model relates to a child safety seat, including base, back and head rest, the back includes the lower back of being connected with the base to and hold in the palm the last back of being connected with the head, the head rest is fixed with last back, goes up back and back down along upper and lower direction sliding connection, goes up and still is provided with between back and the lower back and can lock the locking mechanical system under the service position of a plurality of differences with both relatively. The two sides of the upper backrest are also provided with side wings. The head rest, the upper backrest and the side wings of the child safety seat can be synchronously adjusted in height, so that the side surfaces of children in all ages can be protected.

Description

Child safety seat

Technical Field

The utility model relates to a child safety seat.

Background

Among the children's safety seat of current adjustable height, including base, back and head rest, generally only realize the regulation of seat height through the lift of head rest, the relative base of high height of backrest can not be adjusted, therefore can not satisfy the demand of different age brackets, different height children side protection.

Disclosure of Invention

The utility model aims at providing a head rest and back can the synchronous adjustment height children safety seat to satisfy each age bracket children's side protection demand.

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

the utility model provides a child safety seat, includes base, back and head rest, the back include with the lower back that the base is connected, and with the last back that the head rest is connected, the head rest is fixed with last back, go up back and lower back along upper and lower direction sliding connection, go up the back with still be provided with between the back down and can lock the locking mechanical system under the service position of a plurality of differences with both relatively.

Preferably, the left side and the right side of the upper backrest are both provided with side wings, and the side wings are fixed in position relative to the head rest in the height direction.

Preferably, a sliding member is fixed to one of the upper back and the lower back, and a guide frame extending in the vertical direction is fixed to the other of the upper back and the lower back, and the sliding member is provided on the guide frame so as to be vertically slidable along the guide frame.

Preferably, the guide frame has two pieces arranged on the backrest at intervals in the left-right direction, and the sliding piece comprises two sliding sleeve portions which are respectively sleeved on the left guide frame and the right guide frame in a sliding manner, and a connecting portion which is fixedly connected between the two sliding sleeve portions.

Preferably, one of the upper backrest and the lower backrest, to which the sliding member is fixed, is further fixed with two carriages arranged parallel to the guide frame, the guide frame has a guide sliding groove extending in the length direction of the guide frame, and the carriages are inserted into the guide sliding groove in a sliding fit manner.

Preferably, the sliding member and the carriage are fixed to the upper backrest, and the guide frame is fixed to the lower backrest.

Preferably, the locking mechanism includes a locking assembly disposed between the sliding member and the guide frame, the locking assembly includes a lock pin axially slidably disposed on the sliding member, a plurality of lock holes disposed on the guide frame and arranged along a length direction of the guide frame, and a first elastic member for providing an elastic force required by the lock pin to move toward the lock holes, and a sliding direction of the lock pin is perpendicular to a length extending direction of the guide frame.

Preferably, children's safety seat still is equipped with and is used for right locking mechanical system unlocks's release mechanism, release mechanism is including setting up on the slider and can be for the regulating plate of slider oscilaltion, the slip direction perpendicular to of regulating plate the axial of lockpin, be equipped with the spout that extends along left right direction slope on the regulating plate, the spout is from last to being gradually to lean out to extend down, be equipped with the bolt on the lockpin, the bolt passes through with sliding fit and establishes in the spout, release mechanism still includes the second elastic component that is used for driving about the required elastic force of regulating plate upward movement, release mechanism still including being used for driving about regulating plate downstream makes the lockpin is followed the unblock operating parts that breaks away from in the lockhole.

Preferably, the slider is fixedly arranged on the upper backrest, the guide frame is fixedly arranged on the lower backrest, the unlocking operation piece comprises an unlocking button arranged at the top of the upper backrest, and a connecting rod connected between the unlocking button and the adjusting plate.

Preferably, the leading truck has and sets up along controlling the direction interval two on the back, the slider is established including sliding ground cover respectively about two sliding sleeve portion of leading truck, every side sliding sleeve portion with all be equipped with a set ofly between the leading truck the locking subassembly, the regulating plate is located two sets ofly between the sliding sleeve portion, be equipped with two sets ofly on the regulating plate the spout, both sides on the lockpin the bolt is worn to establish two corresponding sliding fit in the spout.

The utility model relates to a word with equal direction such as upper, lower, left, right, front and back is according to children take children's upper, lower, left, right, front and back direction when children's safety seat makes the definition.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the head support of the child safety seat is fixed with the upper backrest and the side wings on the two sides of the upper backrest, when the unlocking button is operated, the height of the head support and the height of the backrest are synchronously adjusted, the head support is adjusted to any height position, the position between the head support and the side wings on the left side and the right side of the backrest is always fixed, and the side faces of children in all ages can be protected.

Drawings

FIG. 1 is a perspective view of a child safety seat according to an embodiment of the present invention, with a slider at the bottom of a guide frame;

FIG. 2 is a schematic perspective view of the child safety seat of the present embodiment when the sliding member is located at the topmost end of the guiding frame;

FIG. 3 is a schematic perspective view of the backrest and the head rest of the present embodiment when the sliding member is located at the bottom of the guiding frame;

FIG. 4 is a schematic perspective view of the backrest and the head rest of the present embodiment when the sliding member is located at the top end of the guiding frame;

FIG. 5 is a schematic diagram of the internal perspective structure of the child safety seat of the present embodiment when the sliding member is located at the bottom end of the guiding frame;

FIG. 6 is a schematic diagram of the inner perspective of the child safety seat of the present embodiment when the sliding member is located at the topmost end of the guiding frame;

FIG. 7 is a schematic view of the internal three-dimensional structure of the backrest and the head rest of the present embodiment when the sliding member is located at the bottom end of the guiding frame;

FIG. 8 is a schematic view of the internal three-dimensional structure of the backrest and the head rest of the present embodiment when the sliding member is located at the top end of the guiding frame;

fig. 9 is a schematic perspective view of the guide frame in the present embodiment;

FIG. 10 is a schematic view of the release mechanism of the child safety seat of the present embodiment when locked;

FIG. 11 is a schematic view of the unlocking mechanism of the child safety seat of the present embodiment when unlocked;

FIG. 12 is a schematic view of the locking mechanism of the child safety seat of the present embodiment when locked;

FIG. 13 is a schematic view of the locking mechanism of the child safety seat of the present embodiment when unlocked;

FIG. 14 is a schematic structural view of the backrest and the head rest of the present embodiment when the sliding member is located at the bottom end of the guiding frame;

FIG. 15 is a schematic structural view of the backrest and the head rest of the present embodiment when the sliding member is located at the top end of the guiding frame;

in the figure: 1. a base; 2. a backrest; 3. a head rest; 4. a lower backrest; 5. an upper backrest; 6. a slider; 7. a carriage; 8. a guide frame; 9. a lock hole; 10. an unlock button; 11. an adjusting plate; 12. a lock pin; 13. a connecting rod; 14. a chute; 16. a side wing; 17. a bolt; 18. a sliding sleeve portion; 19. a connecting portion.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 4, a child safety seat, including base 1, back 2 and head rest 3, back 2 includes lower back 4 of being connected with base 1 to and hold in the palm 3 fixed connection's last back 5 with the head, go up back 5 and back 4 down along upper and lower direction sliding connection, go up and still be provided with between back 5 and the back 4 down and can lock the locking mechanical system under the service position of a plurality of differences with both relatively. The left and right sides of the upper backrest 5 are provided with side wings 16, and the side wings 16 are fixed in position relative to the head rest 3 in the height direction.

As shown in fig. 5 to 8, a slider 6 is fixed to a lower end of the upper backrest 5, guide frames 8 extending in the vertical direction are fixed to left and right sides of the lower backrest 4, respectively, and the slider 6 is provided on the guide frames 8 so as to be slidable vertically along the guide frames 8. The sliding member 6 includes two sliding sleeve portions 18 respectively slidably fitted over the left and right guide frames 8, and a connecting portion 19 fixedly connected between the two sliding sleeve portions 18.

In this embodiment, the left and right sides of the upper backrest 5 are further respectively fixed with a sliding frame 7 disposed parallel to the guide frame 8, the guide frame 8 has a guide sliding groove extending along the length direction thereof, and the two sliding frames 7 are respectively inserted into the two guide sliding grooves in a sliding fit manner.

As shown in fig. 9, 12 and 13, the locking mechanism includes locking members provided between the slider 6 and the guide frame 8, and a set of locking members is provided between each of the side slipping sleeve portions 18 and the guide frame 8. The locking assembly comprises a lock pin 12 respectively arranged on the left side and the right side of the sliding part 6 in an axial sliding manner, a plurality of lock holes 9 arranged on the two guide frames 8 and arranged in a left-right symmetrical manner along the length direction of the guide frames 8, and a first elastic member (not shown in the figure) for providing an elastic force required by the lock pin 12 to move towards the lock holes 9, wherein the sliding direction of the lock pin 12 is perpendicular to the length extending direction of the guide frames 8.

As shown in fig. 10 and 11, the child safety seat is further provided with an unlocking mechanism for unlocking the locking mechanism, the unlocking mechanism includes an adjusting plate 11 provided on the slider 6 and vertically movable with respect to the slider 6, and a sliding direction of the adjusting plate 11 is perpendicular to an axial direction of the lock pin 12. In this embodiment, the adjusting plate 11 is disposed between the two sets of sliding sleeve portions 18, two sliding grooves 14 which are gradually inclined outward from top to bottom are symmetrically disposed on the left and right sides of the adjusting plate 11, the left and right lock pins 12 are respectively provided with a bolt 17, and the two bolts 17 are respectively inserted into the left and right sliding grooves 14 in a corresponding sliding fit manner. The unlocking mechanism further includes a second elastic member (not shown in the drawings) for urging the adjusting plate 11 to move upward by a required elastic force, so that the lock pin 17 is held outside the slide groove 14, and thus the lock pin 17 is stably inserted in the lock hole 9 to be locked.

The unlocking mechanism further includes an unlocking operation member for driving the adjustment plate 11 downward to disengage the lock pin 12 from the lock hole 9. As shown in fig. 10 and 11, the unlocking operation member includes an unlocking button 10 disposed on the top of the upper backrest 5, and a connecting rod 13 connected between the unlocking button 10 and the adjusting plate 11, when the unlocking button 10 is pressed downward, the adjusting plate 11 is pushed by the connecting rod 13 to move downward, so that the lock pin 12 slides along the sliding groove 14 from outside to inside, and is separated from the lock hole 9 to realize unlocking.

When the child safety seat is in a certain using position, the two lock pins 12 are respectively and correspondingly inserted into one pair of the lock holes 9. When the use positions of the upper backrest 5 and the head rest 3 need to be changed, the unlocking button 10 is pressed downwards, the adjusting plate 11 is pushed by the connecting rod 13 to move downwards relative to the sliding piece 6, the two bolts 17 are driven to slide upwards relative to the sliding groove 14 along the sliding groove 14, the two lock pins 12 are driven to move in opposite directions, the two lock pins 12 are simultaneously released from the lock holes 9, the child safety seat is unlocked, and the upper backrest 5 can slide relative to the lower backrest 4 along the guide frame 8. The unlocking button 10 is pressed and not placed, the upper backrest 5 is adjusted to the required use position vertically, the unlocking button 10 is loosened, the adjusting plate 11 moves upwards relative to the sliding piece 6 under the driving of the second elastic piece, the two lock pins 12 move reversely under the driving of the first elastic piece, the two lock pins 12 are respectively inserted into the pair of lock holes 9 corresponding to the use position, and the child safety seat completes the adjustment of the use position.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a children's safety seat, includes base (1), back (2) and head rest (3), its characterized in that: backrest (2) include with lower back (4) that base (1) is connected, and with last back (5) that head rest (3) are connected, head rest (3) are fixed with last back (5), go up back (5) and back (4) down along upper and lower direction sliding connection, go up back (5) with still be provided with between lower back (4) and can lock the locking mechanical system under the service position of a plurality of differences with both relatively.

2. The child safety seat according to claim 1, wherein: the left side and the right side of the upper backrest (5) are both provided with side wings (16), and the side wings (16) are fixed in position relative to the head support (3) in the height direction.

3. The child safety seat according to claim 1 or 2, wherein: one of the two parts of the upper backrest (5) and the lower backrest (4) is fixed with a sliding part (6), the other part is fixed with a guide frame (8) extending along the vertical direction, and the sliding part (6) can be arranged on the guide frame (8) in a manner of sliding up and down along the guide frame (8).

4. The child safety seat according to claim 3, wherein: the guide frame (8) is provided with two sliding sleeve parts (18) which are arranged on the backrest (2) at intervals along the left-right direction, and the sliding part (6) comprises two sliding sleeve parts (18) which are respectively sleeved on the left guide frame and the right guide frame (8) in a sliding manner and a connecting part (19) which is fixedly connected between the two sliding sleeve parts (18).

5. The child safety seat according to claim 4, wherein: one of the upper backrest (5) and the lower backrest (4) which is fixed with the sliding piece (6) is also fixed with two sliding frames (7) which are arranged in parallel to the guide frame (8), the guide frame (8) is provided with a guide sliding groove extending along the length direction of the guide frame, and the sliding frames (7) are inserted into the guide sliding groove in a sliding fit manner.

6. The child safety seat according to claim 5, wherein: the sliding piece (6) and the sliding frame (7) are fixed on the upper backrest (5), and the guide frame (8) is fixed on the lower backrest (4).

7. The child safety seat according to claim 3, wherein: the locking mechanism comprises a locking assembly arranged between the sliding part (6) and the guide frame (8), the locking assembly comprises a lock pin (12) which is axially and slidably arranged on the sliding part (6), a plurality of lock holes (9) which are arranged on the guide frame (8) and are arranged along the length direction of the guide frame (8), and a first elastic piece which is used for providing elastic force required by the lock pin (12) to move towards the lock holes (9), and the sliding direction of the lock pin (12) is perpendicular to the length extending direction of the guide frame (8).

8. The child safety seat according to claim 7, wherein: the child safety seat is also provided with an unlocking mechanism for unlocking the locking mechanism, the unlocking mechanism comprises an adjusting plate (11) which is arranged on the sliding part (6) and can be lifted up and down relative to the sliding part (6), the sliding direction of the adjusting plate (11) is vertical to the axial direction of the lock pin (12), the adjusting plate (11) is provided with a sliding chute (14) which extends obliquely along the left and right direction, the sliding groove (14) extends outwards gradually from top to bottom in an inclined way, the lock pin (12) is provided with a bolt (17), the bolt (17) is arranged in the sliding groove (14) in a sliding fit manner, the unlocking mechanism further comprises a second elastic piece which is used for driving the adjusting plate (11) to move upwards and needs elastic force, the unlocking mechanism further comprises an unlocking operation piece for driving the adjusting plate (11) to move downwards so as to enable the lock pin (12) to be disengaged from the lock hole (9).

9. The child safety seat according to claim 8, wherein: slider (6) are fixedly located go up on back (5), leading truck (8) are fixedly located down on back (4), the unblock operating parts is including locating unblock button (10) at last back (5) top, and connect unblock button (10) with connecting rod (13) between regulating plate (11).

10. The child safety seat according to claim 8, wherein: leading truck (8) have along left right direction interval setting two on back (2), slider (6) are established two about including sliding ground cover respectively two sliding sleeve portion (18) on leading truck (8), every side sliding sleeve portion (18) with all be equipped with a set ofly between leading truck (8) locking Assembly, regulating plate (11) are located two sets ofly between sliding sleeve portion (18), be equipped with two sets of on regulating plate (11) spout (14), both sides on lockpin (12) bolt (17) are worn to establish two corresponding sliding fit in spout (14).