CN213831425U - Automobile safety seat for children - Google Patents

Abstract

The utility model discloses a child car safety seat, including base and back, the back can be connected with the base with rotating relatively. The child automobile safety seat has an unfolding state and a folding state, and when the child automobile safety seat is in the unfolding state, the backrest is erected behind the base; when the child car safety seat is in a folded state, the backrest turns relative to the base and is folded with the base, and the bottom surface of the backrest faces backwards and is flush with the rear surface of the base. The utility model discloses folding back structure of children's car safety seat is flat and the volume is less, and occupation space is little, more does benefit to storage and transportation.

Description

Automobile safety seat for children

Technical Field

The utility model relates to a children's car safety seat.

Background

Among the prior art, collapsible children's car safety seat includes base and back, and the back generally is folding for the base through the pivot that sets up in its lower part, because the pivot lower part still need set up the locking device with the back locking at the state of expanding, consequently the pivot generally can not set up in the back bottom, leads to the back to turn over the back downwards, and the rear end of base can be stretched out backward to its bottom to increased the folding volume of seat, be not convenient for use and carry.

Disclosure of Invention

The utility model aims at providing a beta structure levels and little children's car safety seat of occupation space.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a child car safety seat comprises a base and a backrest, wherein the backrest is connected with the base in a relatively rotatable manner, the child car safety seat has an unfolding state and a folding state, and when the child car safety seat is in the unfolding state, the backrest is erected behind the base; when the child car safety seat is in a folded state, the backrest is turned relative to the base and is folded with the base, and the bottom surface of the backrest is arranged backwards and is flush with the rear surface of the base.

Preferably, the base includes along the pedestal of fore-and-aft direction extension, divide and locate the pedestal left and right sides just upwards erects two side handrails that extend, works as when children's car safety seat is in fold condition, the back with the pedestal laminates each other and lies in two on the left and right sides direction between the handrail.

Preferably, the child car seat further comprises a head rest detachably mounted on the backrest, and when the child car seat is in a folded state, the head rest is detached from and stacked on the backrest.

Preferably, the head rest is provided with a head rest body connected with the backrest, the length of the head rest body is not greater than that of the backrest, and when the child car safety seat is in a folded state, the head rest body is attached to the backrest.

Preferably, the head rest is further provided with two side wings which are respectively arranged on the upper parts of the left side and the right side of the head rest body and extend forwards, when the child car safety seat is in a folded state, the backrest and the seat body are both positioned between the side wings, and the side wings are positioned on the front sides of the side armrests.

Preferably, the head rest is slidably disposed on the backrest in an up-down direction, and a head rest locking mechanism for relatively locking the head rest and the backrest at a plurality of height positions is disposed between the head rest and the backrest.

Preferably, the base and the backrest are connected in a manner of relatively sliding in the front-back direction or in the up-down direction, and in the process of converting the base from the unfolded state to the folded state, the relative sliding between the base and the backrest is prior to the relative rotation between the base and the backrest.

Preferably, the backrest has a first position and a second position which are distributed at intervals in the relative sliding direction between the backrest and the base, and when the backrest is at the first position, the backrest is unfolded relative to the base and is fixed relative to the base; when the backrest is in the second position, the backrest can be flipped back and forth relative to the base.

Preferably, the lower portion of the backrest is fixedly provided with a mounting seat, the rear portion of the base is provided with a mounting groove into which the mounting seat can be inserted in a sliding fit manner, two sides of the mounting groove respectively form a connecting portion, the mounting seat is inserted into the mounting groove in a front-back direction in a relatively sliding manner, the connecting portion is provided with a lock pin capable of sliding along the axial direction of the connecting portion, the mounting seat is provided with a first locking groove and a second locking groove at intervals along the front-back direction, the axial direction of the lock pin is perpendicular to the direction in which the base and the backrest slide relatively, and when the lock pin is inserted into the first locking groove, the backrest is located at the first position; when the lock pin is inserted into the second lock groove, the backrest is located at the second position, the backrest can rotate around the lock pin relative to the base, and the base is further provided with an adjusting piece and an elastic piece, wherein the adjusting piece is used for driving the lock pin to axially and slidably exit the first lock groove or the second lock groove, and the elastic piece is used for driving the lock pin to slide towards the first lock groove or the second lock groove to obtain acting force.

Preferably, the rear portion of the base is fixedly provided with an installation seat, the lower portion of the backrest is provided with an installation groove into which the installation seat can be inserted in a sliding fit manner, two sides of the installation groove respectively form a connection portion, the installation seat can be inserted into the installation groove in a vertically relative sliding manner, the installation seat is provided with a lock pin capable of sliding along the axial direction of the installation seat, the connection portion is provided with a first lock groove and a second lock groove at intervals along the vertical direction, the axial direction of the lock pin is perpendicular to the direction in which the base and the backrest slide relative to each other, and when the lock pin is inserted into the first lock groove, the backrest is located at the first position; when the lock pin is inserted into the second lock groove, the backrest is located at the second position, the backrest can rotate around the lock pin relative to the base, and the base is further provided with an adjusting piece and an elastic piece, wherein the adjusting piece is used for driving the lock pin to axially and slidably exit the first lock groove or the second lock groove, and the elastic piece is used for driving the lock pin to slide towards the first lock groove or the second lock groove to obtain acting force.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses when children's car safety seat is folding, the relative base of back upset and draw in each other with the base, the bottom surface of back towards the back set up and with the rear surface of base flushes for the level and smooth very of structure after children's car safety seat is folding, and folding small, occupation space is little, more does benefit to storage and transportation.

Drawings

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

FIG. 2 is a perspective view of the child car seat according to embodiment 1 in a folded state;

FIG. 3 is a perspective view of the child car safety seat of embodiment 1 with the backrest in the first position;

FIG. 4 is a perspective view of the child car safety seat of embodiment 1 with the backrest in a second position;

FIG. 5 is a schematic perspective view of the child car safety seat of embodiment 1 with the backrest pivotally folded relative to the base;

FIG. 6 is a schematic perspective view of the child car safety seat of embodiment 1 with the backrest folded in a pivotal manner relative to the base;

fig. 7 is a schematic view of the head rest removed from fig. 6;

FIG. 8 is a perspective view schematically showing the structure of a backrest in embodiment 1;

FIG. 9 is a schematic view showing the connection between the adjusting member inside the base and the locking pin in example 1;

FIG. 10 is a schematic perspective view of the child car safety seat of embodiment 2 in a deployed state;

FIG. 11 is an exploded perspective view of the child car safety seat of embodiment 2;

FIG. 12 is a schematic perspective view of the child car safety seat of embodiment 2 with the backrest pivotally folded relative to the base;

FIG. 13 is a perspective view of the child car seat of embodiment 2 in a folded position;

wherein: 1. a head rest; 11. a head rest body; 111. the upper part of the head support; 112. a head supporting plug board; 113. a plate inserting chute; 12. a side wing; 14. a head rest handle;

2. a backrest; 21. a head rest slot; 22. a head rest gear slot; 23. a head rest limiting hole; 24. a head rest limit pin;

3. a base; 31. a side arm rest; 32. a base body;

41. a mounting seat; 42. mounting grooves; 421. a connecting portion; 431. a lock pin; 432. a pin shaft; 441. a first locking groove; 442. a second locking groove; 443. a chute; 45. an adjustment member; 451. a chute; 452. a second elastic member; 453. adjusting the pull handle;

5. a limiting structure; 52. a backrest limit boss; 53. a base limiting boss;

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

The following descriptions of the up, down, front, rear, left, right, etc. orientations are defined with reference to the orientation of the child car seat as viewed with a child seated on the child car seat in the deployed state.

Example 1

The child car seat shown in fig. 1 to 9 includes a head rest 1, a backrest 2 and a base 3. As shown in fig. 1 and 2, the base 3 includes a base body 32 extending in the front-rear direction and side handrails 31 respectively disposed on the left and right sides of the base body 32 and extending upward. The head rest 1 is detachably mounted on the backrest 2, the head rest 1 has a head rest body 11 connected to the backrest 2, the length of the head rest body 11 is not greater than that of the backrest 2, and the head rest 1 further has two side wings 12 which are respectively disposed on the left and right sides of the head rest upper portion 111 and extend forward.

As shown in fig. 3 and 4, the lower portion of the backrest 2 is connected to the base 3 so as to be slidable relative to each other in the front-rear direction, and the backrest 2 has a first position and a second position on the base 3, and the first position is located forward of the second position on the base 3.

As shown in fig. 1 and 2, the child car seat has an unfolded state and a folded state, and in the process of converting the seat from the unfolded state to the folded state, the relative sliding between the backrest 2 and the base 3 precedes the relative rotation between the backrest and the base. When the child car seat is in the unfolded state, as shown in fig. 1, the backrest 2 is erected behind the base 3, the backrest 2 is located at a first position on the base 3 and fixed relative to the base 3, and the head rest 1 is installed at the upper part of the backrest 2; when the child car seat is folded, as shown in fig. 2, the backrest 2 is located at the second position on the base 3 and is folded in a rotating manner relative to the base 3, the backrest 2 and the seat body 32 are attached to each other and located between the two side armrests 31 in the left-right direction, the bottom surface of the backrest 2 is arranged backwards and flush with the rear surface of the base 3, the head rest 1 is detached from the backrest 2 and is stacked on the backrest 2, the head rest body 11 is attached to the backrest 2, the backrest 2 and the seat body 32 are located between the side wings 12 on the two sides, and the side wings 12 are located on the front sides of the side armrests 31.

As shown in fig. 8, the backrest 2 includes a mounting seat 41 fixed at the front of the bottom thereof, and the mounting seat 41 is connected to the base 3 to be relatively slidable in the front-rear direction. In the present embodiment, when the child car seat is in the unfolded state, as shown in fig. 1, the mounting seat 41 extends in the front-rear direction and is parallel to the extending direction of the base 3; when the child car seat is folded, as shown in fig. 5, the extending directions of the mounting seat 41 and the base 3 are perpendicular to each other, and the backrest 2 and the base 3 are folded.

As shown in fig. 1 and 5, the base 3 has two connecting portions 421 disposed at the left and right sides of the rear portion, a mounting groove 42 is formed between the two connecting portions 421, the mounting seat 41 is fittingly disposed in the mounting groove 42 and connected to the connecting portions 421 at the two sides, and a set of sliding connection structures is disposed between each connecting portion 421 and the mounting seat 41.

As shown in fig. 8 and 9, the sliding connection structure includes a lock pin 431 axially slidably disposed on the connection portion 421, a second lock groove 442, a sliding groove 443, and a first lock groove 441 sequentially disposed from front to back on the mounting base 41, and a first elastic member (not shown) for urging the lock pin 431 to slide toward the first lock groove 441 or the second lock groove 442. The slide groove 443 connects the second locking groove 442 to the first locking groove 441, the axial direction of the lock pin 431 extends in the left-right direction of the child car seat, and the position of the lock pin 431 is switched between the first locking groove 441 and the second locking groove 442 when the lock pin 431 slides along the slide groove 443. When the lock pin 431 is inserted in the first lock groove 441, the backrest 2 is in the first position; when the lock pin 431 is inserted into the second locking groove 442, the backrest 2 is in the second position, and the backrest 2 can rotate around the lock pin 431 relative to the base 3.

As shown in fig. 9, an adjusting member 45 for driving the lock pin 431 to axially slidably exit the first locking groove 441 or the second locking groove 442 is provided in the base 3, and the adjusting member 45 is slidably connected to the base 3 in the front-rear direction. The adjusting member 45 includes an adjusting pull handle 453 disposed at the front end thereof and extending out of the outer side of the base 3, two inclined slots 451 disposed at the rear ends of the two sides of the adjusting member 45 and extending obliquely backward from inside to outside, pin shafts 432 respectively fixed to the two lock pins 431 and correspondingly disposed in the inclined slots 451, and a second elastic member 452 for driving the adjusting member 45 to slide backward with a required elastic force. During the sliding of the pin 432 along the inclined groove 451 from one end to the other end thereof, the locking pin 431 slides in the axial direction to be inserted into or withdrawn from the first locking groove 441/the second locking groove 442.

As such, when the backrest 2 is at the first position, the left and right lock pins 431 are respectively inserted into the two first lock grooves 441 correspondingly; at this time, the adjusting pull handle 453 is pulled forwards relative to the base 3 to drive the adjusting piece 45 to move forwards relative to the base 3, and the two pin shafts 432 simultaneously slide backwards along the inclined grooves 451, so that the lock pin 431 moves reversely in the axial direction and exits from the first lock groove 441; pulling the adjusting handle 453 further causes the base 3 to slide forward relative to the backrest 2 to adjust the backrest 2 to the second position, in which the locking pin 431 slides along the sliding groove 443 to the second locking groove 442; at this time, the adjusting handle 453 is released, the adjusting member 45 is driven by the second elastic member 452 to slide backward relative to the base 3, the pin 432 slides forward along the inclined groove 451, and the two lock pins 431 are driven by the first elastic member to move toward each other to be inserted into the second lock groove 442, so that the backrest 2 is switched to the second position. When the backrest 2 is switched from the second position to the first position, the above steps are operated in reverse, which is not described herein again.

As shown in fig. 3 and 4, a limiting structure 5 for limiting the relative rotation between the backrest 2 and the base 3 when the backrest 2 is at the first position is further disposed between the backrest 2 and the base 3, and the limiting structure 5 includes a limiting boss 52 disposed at the bottom end of the backrest 2 and a limiting boss 53 disposed at the rear end of the base 3. As shown in fig. 3, when the backrest 2 is in the first position, the limiting projection 52 and the limiting projection 53 cooperate with each other to fix the base 3 and the backrest 2 to each other, and at this time, the backrest 2 cannot rotate relative to the base 3.

As shown in fig. 6 and 7, the head rest 1 is provided on the backrest 2 so as to be slidable in the vertical direction, and a head rest lock mechanism for locking the head rest 1 and the backrest 2 in a plurality of height positions is provided therebetween. Specifically, a head rest inserting plate 112 extending in the up-down direction is arranged below the head rest upper portion 111, a head rest inserting groove 21 extending in the up-down direction is formed above the backrest 2, and the head rest inserting plate 112 can be inserted into the head rest inserting groove 21 in a relatively sliding fit manner in the up-down direction.

As shown in fig. 8, the head rest locking mechanism includes head rest locking pins (not shown) disposed at both sides of the head rest insertion plate 112, a plurality of head rest shift grooves 22 symmetrically disposed at both sides of the head rest insertion groove 21 and distributed in the up-down direction, and an elastic member (not shown) for driving the head rest locking pins to slide toward the head rest shift grooves 22 with a required elastic force. The head rest 1 is further provided with a head rest unlocking assembly (not shown in the figures) for driving the head rest lock pin to axially and slidably exit the head rest gear groove 22, and the structure of the head rest unlocking assembly is similar to that of the adjusting member 45, and the details are not repeated. The head rest unlocking assembly at least comprises a head rest handle 14 arranged at the rear of the head rest upper part 111.

When the head rest 1 is fixed at a certain use position, two head rest lock pins are respectively inserted into a pair of head rest gear grooves 22. When the height of the head rest 1 needs to be adjusted, the head rest handle 14 is pulled upwards, and the two head rest lock pins are simultaneously withdrawn from the head rest gear groove 22. The head support 1 is lifted upwards or pressed downwards to another using position, the head support handle 14 is loosened, and the using position of the head support 1 is locked, namely the height adjustment of the head support 1 is completed.

A limiting structure for limiting the sliding displacement of the head rest 1 relative to the backrest 2 is further arranged between the head rest 1 and the backrest 2, and specifically, as shown in fig. 6 and 7, an inserting plate sliding groove 113 extending along the up-down direction is further formed in a head rest inserting plate 112 of the head rest 1, a head rest limiting hole 23 is formed in a corresponding position on the backrest 2, and when the head rest 1 is arranged on the backrest 2, a head rest limiting pin 24 is inserted in the head rest limiting hole 23 and the inserting plate sliding groove 113, so that the head rest 1 cannot be detached from the backrest 2. When the child car safety seat needs to be folded, the head support limiting pin 24 is taken down, the head support handle 14 is pulled, and the head support 1 can be detached from the backrest 2 and is folded together with the backrest 2.

As shown in fig. 1 to 7, in the present embodiment, when the child car seat in the unfolded state is converted into the folded state, that is, when the child car seat is folded, the following steps are performed: the adjusting pull handle 453 is pulled forward to convert the backrest 2 from the first position to the second position, and then the backrest 2 is rotated relative to the base 3 about the lock pin 431 inserted in the second lock groove 442, so that the backrest 2 and the base 3 are folded; then the head rest limit pin 24 is taken down, the head rest 1 is detached from the backrest 2 and is placed on the backrest 2, so that the base 3, the backrest 2 and the head rest 1 are stacked together, and the child car safety seat is folded. The folded safety seat is flat and compact as shown in fig. 2, and the overall length, width and height of the folded child car safety seat are substantially the same as those of the base 3 with the side arm rests 31.

When the child car seat in the folded state is converted into the unfolded state, the above steps are operated in the reverse direction, and the details are not repeated here.

Example 2

As shown in fig. 10 to 13, the main difference between this embodiment and embodiment 1 is the specific structural arrangement of the backrest 2 and the base 3 sliding relatively. As shown in fig. 10 and 11, in the present embodiment, the mounting seat 41 is fixedly disposed at the rear portion of the base 3 and extends in the vertical direction, and the two connecting portions 421 and the mounting groove 42 therein are disposed at the lower portion of the backrest 2, so that the lower portion of the backrest 2 can be connected to the base 3 in a vertically sliding manner. The backrest 2 has a first position and a second position relative to the base 3 in the up-and-down sliding direction, and the height of the backrest 2 is lower in the first position than in the second position.

As shown in fig. 11, in the present embodiment, the sliding connection structure includes a locking pin 431 axially slidably disposed on the mounting base 41, a first locking groove 441, a sliding groove 443, and a second locking groove 442 sequentially disposed on the connection portion 421 from top to bottom, and a first elastic member (not shown in the figure) for driving the locking pin 431 to slide toward the first locking groove 441 or the second locking groove 442. When the lock pin 431 is inserted in the first lock groove 441, the backrest 2 is in the first position; when the lock pin 431 is inserted into the second locking groove 442, the backrest 2 is in the second position, and the backrest 2 can rotate around the lock pin 431 relative to the base 3.

As shown in fig. 10, 12 and 13, the operation of folding the child car seat in this embodiment is substantially the same as that in embodiment 1, and will not be described again.

To sum up, this children's car safety seat's simple structure, folding and the easy and simple to handle that expandes, the structure after folding is very level, and folding small, and occupation space is little, more does benefit to storage and transportation.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides a children's car safety seat, includes base and back, its characterized in that: the backrest is connected with the base in a relatively rotatable manner, the child car safety seat has an unfolded state and a folded state, and when the child car safety seat is in the unfolded state, the backrest is erected behind the base; when the child car safety seat is in a folded state, the backrest is turned relative to the base and is folded with the base, and the bottom surface of the backrest is arranged backwards and is flush with the rear surface of the base.

2. The child car safety seat according to claim 1, wherein: the base includes along the pedestal of fore-and-aft direction extension, divide and locate the pedestal left and right sides just upwards erects two side handrails that extend, works as when children's car safety seat is in fold condition, the back with the pedestal laminates each other and lies in two on the left and right directions between the side handrail.

3. The child car safety seat according to claim 2, wherein: child car safety seat still includes detachably installs head rest on the back works as child car safety seat is in fold condition, head rest certainly detach and superpose on the back.

4. A child car safety seat according to claim 3, wherein: the head holds in the palm have with the head that the back is connected holds in the palm the body, the length of head holds in the palm the body is not more than the length of back, works as when children's car safety seat is in fold condition, the laminating of head support body is in on the back.

5. The child car safety seat according to claim 4, wherein: the head rest is further provided with two side wings which are respectively arranged on the upper parts of the left side and the right side of the head rest body and extend forwards, when the child automobile safety seat is in a folded state, the backrest and the seat body are both positioned on the two sides between the side wings, and the side wings are positioned on the front sides of the side armrests.

6. A child car safety seat according to claim 3, wherein: the head support can be arranged on the backrest in a sliding manner along the vertical direction, and a head support locking mechanism used for relatively locking the head support and the backrest under a plurality of height gears is arranged between the head support and the backrest.

7. A child car safety seat according to any one of claims 1 to 6, wherein: the base and the backrest are connected in a relative sliding mode along the front-back direction or the up-down direction, and in the process that the base is converted from the unfolding state to the folding state, the relative sliding between the base and the backrest is prior to the relative rotation between the base and the backrest.

8. The child car safety seat according to claim 7, wherein: the backrest is provided with a first position and a second position which are distributed at intervals in the relative sliding direction between the backrest and the base, and when the backrest is positioned at the first position, the backrest is unfolded relative to the base and is fixed relative to the base; when the backrest is in the second position, the backrest can be flipped back and forth relative to the base.

9. The child car safety seat according to claim 8, wherein: the backrest comprises a backrest and a base, wherein the lower part of the backrest is fixedly provided with a mounting seat, the rear part of the base is provided with a mounting groove into which the mounting seat can be inserted in a sliding fit manner, two sides of the mounting groove respectively form a connecting part, the mounting seat is inserted into the mounting groove in a relative sliding manner along the front-back direction, the connecting part is provided with a lock pin capable of sliding along the axial direction of the connecting part, the mounting seat is provided with a first lock groove and a second lock groove at intervals along the front-back direction, the axial direction of the lock pin is perpendicular to the direction of the relative sliding of the base and the backrest, and when the lock pin is inserted into the first lock groove, the backrest is positioned at the first position; when the lock pin is inserted into the second lock groove, the backrest is located at the second position, the backrest can rotate around the lock pin relative to the base, and the base is further provided with an adjusting piece and an elastic piece, wherein the adjusting piece is used for driving the lock pin to axially and slidably exit the first lock groove or the second lock groove, and the elastic piece is used for driving the lock pin to slide towards the first lock groove or the second lock groove to obtain acting force.

10. The child car safety seat according to claim 8, wherein: the back part of the base is fixedly provided with an installation seat, the lower part of the backrest is provided with an installation groove into which the installation seat can be inserted in a sliding fit manner, two sides of the installation groove respectively form a connecting part, the installation seat can be inserted into the installation groove in a vertically opposite sliding manner, the installation seat is provided with a lock pin capable of sliding along the axial direction of the installation seat, the connecting part is provided with a first lock groove and a second lock groove at intervals along the vertical direction, the axial direction of the lock pin is perpendicular to the direction of the relative sliding of the base and the backrest, and when the lock pin is inserted into the first lock groove, the backrest is positioned at the first position; when the lock pin is inserted into the second lock groove, the backrest is located at the second position, the backrest can rotate around the lock pin relative to the base, and the base is further provided with an adjusting piece and an elastic piece, wherein the adjusting piece is used for driving the lock pin to axially and slidably exit the first lock groove or the second lock groove, and the elastic piece is used for driving the lock pin to slide towards the first lock groove or the second lock groove to obtain acting force.

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