Sliding mechanism for child safety seat and child safety seat

Abstract

The present disclosure relates to a sliding mechanism for a child safety seat, the child safety seat includes a seat body and a base, the sliding mechanism includes a first pull-out slot extending along a longitudinal direction of the base, and the seat body slides relative to the base through the first pull-out slot. The present disclosure further relates to a child safety seat.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[01] This application claims priority to Chinese Application No. 2023116632496, titled “Sliding Mechanism for Child Safety Seat and Child Safety Seat” filed on December 5, 2023, which is incorporated herein by reference in its entirety. TECHNICAL FIELD

[02] The present disclosure relates to a sliding mechanism for a child safety seat and a child safety seat with the sliding mechanism. BACKGROUND

[03] At present, child safety seats are widely used and have a high frequency of utilization. Existing child safety seat is generally fixed on a rear seat of a vehicle. When a child needs to ride, it is necessary to place the child in the child safety seat. However, factors such as a size of a door of the vehicle, an interior space height, and the child's physique can make it very inconvenient to pick up or place the child, often resulting in head bumps, which greatly reduces a user experience and satisfaction with the child safety seat. SUMMARY

[04] According to the present disclosure, a sliding mechanism for a child safety seat is proposed, the child safety seat includes a seat body and a base. The sliding mechanism includes a first pull-out slot extending along a longitudinal direction of the base, and the seat body slides relative to the base through the first pull-out slot.

[05] According to an embodiment, the sliding mechanism includes: a sliding frame provided at a lower side of the seat body and including a first angled slot for adjusting a tilt angle of the seat body and the first pull-out slot, the first angled slot being communicated with the first pull-out slot; a fixed frame connected to the base and including a second angled slot and a second pull-out slot that are staggered along the longitudinal direction of the base relative to the first angled slot and the first pull-out slot, the second angled slot being communicated with the second pull-out slot; a first sliding rod passing through the fixed frame and sliding in the first angled slot and the first pull-out slot; and a second sliding rod fixed in the sliding frame and sliding in the second angled slot and the second pull-out slot.

[06] According to an embodiment, the sliding frame is composed of two sliding sheets, the two sliding sheets are respectively fixed to sides of a recessed installation part at a lower side of a seat part of the seat body, and each of the two sliding sheets includes the first angled slot and the first pull-out slot corresponding to each other; the fixed frame is composed of two fixed sheets, the two fixed sheets are respectively positioned on sides of the sliding sheets opposite to the sides of the recessed installation part, and each of the two fixed sheets includes the second angled slot and the second pull-out slot corresponding to each other.

[07] According to an embodiment, the sliding sheet includes an angle adjustment hole portion cooperating with a locking mechanism on the seat body to lock the seat body at different tilt angle positions.

[08] According to an embodiment, the sliding mechanism includes two engagement rods supported in the fixed frame, the two engagement rods are spaced apart along the longitudinal direction of the base and connected to a rotating part on the base, the rotating part is configured to rotate the seat body to align with a direction of a vehicle seat, perpendicular to the direction of the vehicle seat, or opposite to the direction of the vehicle seat.

[09] According to an embodiment, the sliding mechanism includes a limiting bulge, the limiting bulge is provided on the seat body, the limiting bulge is cooperated with limiting fences on the base to prevent the seat body from sliding when the seat body is aligned with or opposite to the direction of the vehicle seat.

[10] According to an embodiment, the limiting bulge is respectively provided on both sides of the seat body.

[11] The present disclosure further provides a child safety seat, including: a seat body; a base detachably connected to a vehicle seat; and the sliding mechanism according to the present disclosure.

[12] According to an embodiment, the base includes a rotating part for connecting the sliding mechanism, the rotating part is configured to allow the seat body to align with a direction of a vehicle seat, perpendicular to the direction of the vehicle seat, or opposite to the direction of the vehicle seat.

[13] According to an embodiment, the base includes a limiting fence surrounding part of the rotating part, the limiting fence is cooperated with a limiting bulge of the sliding mechanism to prevent the seat body from sliding when the seat body is aligned with or opposite to the direction of the vehicle seat.

[14] According to an embodiment, the limiting fence is semi-circular and provided on one and / or both sides of the rotating part along the direction of the vehicle seat.

[15] According to an embodiment, the rotating part includes an avoidance groove for accommodating the limiting bulge of the sliding mechanism.

[16] The present disclosure further provides a child safety seat, including: a seat body; a base; and a sliding mechanism including a first sliding element and a first slot, one of the first sliding element and the first slot being provided on the seat body, the other of the first sliding element and the first slot being provided on the fixed frame, the seat body being installed on the base via the fixed frame, wherein the first sliding element is configured to move relative to the first slot along the first slot, the first slot includes a first angled slot and a first pull-out slot connected to and angled to the first angled slot, and the first pull-out slot extends along a longitudinal direction of the seat body.

[17] According to an embodiment, the first angled slot and the first pull-out slot are provided one in front of the other along the longitudinal direction of the seat body.

[18] According to an embodiment, the sliding mechanism further includes a second sliding element and a second slot, one of the second sliding element and the second slot is provided on the seat body, and the other of the second sliding element and the second slot is provided on the fixed frame; one of the first sliding element and the second sliding element is provided on the seat body, and the other of the first sliding element and the second sliding element is provided on the fixed frame; and the second sliding element is configured to move relative to the second slot along the second slot, the second slot includes a second angled slot and a second pull-out slot connected to and angled to the second angled slot, and the second pull-out slot extends along the longitudinal direction of the seat body.

[19] According to an embodiment, the second angled slot and the second pull-out slot are provided one in front of the other along the longitudinal direction of the seat body.

[20] According to an embodiment, the first sliding element and the first slot are in a front portion of the sliding mechanism.

[21] According to an embodiment, the second sliding element and the second slot are in a rear portion of the sliding mechanism.

[22] According to an embodiment, the first angled slot is closer to a front side of the seat body than the first pull-out slot, and the second angled slot is closer to a rear side of the seat body than the second pull-out slot.

[23] According to an embodiment, the sliding mechanism further includes a limiting bulge on the seat body, the limiting bulge is cooperated with a limiting fence on the base to directly or indirectly prevent the first sliding element from entering the first pull-out slot, or to directly or indirectly prevent the second sliding element from entering the second pull-out slot, when the seat body is aligned with or opposite to a direction of the vehicle seat.

[24] According to an embodiment, the limiting fence on the base body is adjacent to a circumference of the rotating part on the base. BRIEF DESCRIPTION OF THE DRAWINGS

[25] Fig. 1 is a perspective view of a child safety seat according to the present disclosure;

[26] Fig. 2 is a perspective view of the child safety seat according to the present disclosure, wherein the seat body is separated from the base;

[27] Fig. 3 is another perspective view of a seat body according to an embodiment of the present disclosure;

[28] Fig. 4 is another perspective view of the seat body according to an embodiment of the present disclosure;

[29] Fig. 5 is a fixed sheet according to an embodiment of the present disclosure;

[30] Fig. 6 is a perspective view of a base according to an embodiment of the present disclosure;

[31] Fig. 7 is a sectional view of the child safety seat along a section line I-I in Fig. 1;

[32] Fig. 8 is a sectional view of the child safety seat along the section line I-I in Fig. 1;

[33] Fig. 9 is a perspective view of the child safety seat according to the present disclosure;

[34] Fig. 10 is a front view of the child safety seat according to the present disclosure;

[35] Fig. 11 is a front view of the child safety seat according to the present disclosure;

[36] Fig. 12 is a sectional view of the child safety seat along the section line II-II in Fig. ii;

[37] Fig. 13 is a fixed sheet according to another embodiment of the present disclosure;

[38] Fig. 14 is a fixed sheet according to another embodiment of the present disclosure. The list of reference numerals is as follows: 1 child safety seat 101 seat body 101 foot end 102 head end 110 seat part 111 recessed installation part 112 unlocking part 113 limiting bulge 114 installation hole 115 locking mechanism 120 side wing 130 backrest part 140 headrest part 150 cover plate 200 base 210 base body 211 first limiting fence 212 second limiting fence 220 rotating part 221 engagement hook 222 receiving part 223 avoidance groove 224 limiting support part 230 leg 240 vehicle seat connector 300 sliding mechanism 310 sliding frame, sliding sheet 31 first slot 311 first angled slot 312 first pull-out slot 313 fixed hole 314 second sliding rod installation hole 320 fixed frame, fixed sheet 32 Second slot 321 second angled slot 322 second pull-out slot 322a first pull-out section 322b second pull-out section 323 first sliding rod perforation 324 angle adjustment hole portion 325 engagement rod perforation 330 first sliding rod, first sliding element 340 second sliding rod, second sliding element 350 engagement rod 360 bottom cover 361 bottom cover body 362 connecting part 363 fastener I-I section line II-II section line DETAILED DESCRIPTION

[39] Although the present disclosure is illustrated and described with reference to specific embodiments, the present disclosure should not be limited to the details shown. Rather, numerous modifications may be made to these details within equivalents of the claims and without departing from this disclosure.

[40] The description of “front”, “back”, “upper”, “lower” and the like referred to herein is merely for ease of understanding, and the present disclosure is not limited to these directions, but may be adjusted according to actual situations, although the present disclosure has been described with reference to the exemplary embodiments, the terms used are illustrative and exemplary, rather than restrictive terms.

[41] According to an embodiment of the present disclosure, the child safety seat includes a seat and a base, and when a child needs to be held in or out, the seat is rotated to a side of the base body, that is, the seat faces the vehicle door. The seat body is provided with a front slot, the front slot includes a front angled slot and a front pull-out slot. A fixed seat is provided on a bottom of the seat body, and the seat body slides relative to the fixed seat. The fixed seat is provided with a front engagement rod and a rear engagement rod, which are connected with the base, the base is provided with a rotating seat, the rotating seat is provided with a front engagement hook and a rear engagement hook, and the seat is respectively engaged with the front engagement hook and the rear engagement hook on the rotating seat through the front engagement rod and the rear engagement rod. The fixed seat includes a fixed frame, a bottom cover and a front sliding rod. The fixed frame is further provided with a rear slot, and the rear slot includes a rear angled slot and a rear pull-out slot. The front sliding rod is fixed on the fixed frame and slides within the front slot, and the rear sliding rod is fixed on the seat body and slides within the rear slot. Furthermore, the child safety seat includes an operating member and a locking mechanism, the locking mechanism is provided on the seat body, the fixed frame is provided with an angle adjustment hole portion matched with the locking mechanism, and the operating member is pulled to separate the locking mechanism from the angle adjustment hole portion, so that the seat body can slide along the front slot and the rear slot.

[42] Fig. 1 is a perspective view of a child safety seat 1 according to the present disclosure. According to the present disclosure, the child safety seat 1 includes a seat body 100 and a base 200 connected to the seat body 100, the seat body 100 may be detachably connected or fixedly connected to the base 200, and the seat body 100 may rotate around a body of the base 200 and may slide relative to the base 200 to adjust an angle at which a child sits on the seat body 100.

[43] The seat body 100 includes a seat part 110, side wings 120, a backrest part 130, and a headrest part 140. The side wings 120 are provided on two sides of the seat body 100 to protect a child from the sides. As shown in the figure, the side wings 120 may integrally extend from the headrest part 140 to the seat part 110 through the backrest part 130, and the side wings 120 may also be provided on two sides of the headrest part 140, the backrest part 130 and the seat part 110 in a segmented mode. According to this embodiment, a cover plate 150 is provided on a lower side of the seat body 100, and the cover plate 150 has, for example, an opening for ventilation, and is used for shielding a molded part or a component provided in the seat part 110 and / or the side wings 120 and / or the backrest part 130.

[44] The base 200 includes a base body 210, a rotating part 220, a leg 230, and a vehicle seat connector 240. The base body 210 is placed on the vehicle seat and detachably fixed to the vehicle seat through the vehicle seat connector 240. According to this embodiment, the base 200 includes, for example, a retractable leg 230. The leg 230 is in contact with a vehicle floor, to effectively ensure stability of the child safety seat. In this example, the leg 230 is fixed to a front side below the base body 210, and a lower end of the leg 230 abuts against the vehicle floor, so that the child safety seat can remain stable. According to this embodiment, a rear portion of the base body 210 is designed to be higher than a front portion, so that an upper side surface of the base 200 is in a slop shape to match a shape of the seat part 110 or the backrest part 130 of the seat body 1.

[45] According to the present disclosure, the upper side surface of the base body 210 is provided with a rotating part 220 for connecting the seat body 100, and the rotating part 220 is disposed in an opening in the middle of the base 200 and may be rotatable relative to the base body 210, for example, it is circular and connected with the seat body 100, so that the seat body 100 may rotate relative to the base body 210 through the rotating part 220. This enables the seat body 100 to rotate relative to the base body 210 from a first rotational orientation to a second rotational orientation, or further rotate to a third rotational orientation. As shown in Fig. 1, when the seat body 100 positions in the first rotational orientation (e.g., a forward-facing orientation relative to a front of the vehicle), the seat body 100 may position in the orientation that is the same with the orientation of the vehicle seat.. When the seat body 100 positions in the second rotational orientation (e.g., a side-facing orientation relative to a front of the vehicle), the seat body 100 may be rotated 90 degrees such that it faces normal to the front-rear direction of the base 200. When the seat body 100 positions in a third rotational orientation (e.g., a rear-facing orientation relative to a front of the vehicle), the seat body 100 may position in the orientation that is opposite to the orientation of the vehicle seat. In addition, the seat body 100 may rotate relative to the base body 210 by the rotating part 220 to rotate from the third rotational orientation to the second rotational orientation or further rotate to the first rotational orientation.

[46] It can also be seen from Fig. 1 that a limiting bulge 113 is provided on a lower side of the seat body 100, correspondingly, around the rotating part 220, a first limiting fence 211 is provided at a front portion of the base body 210, and a second limiting fence 212 is provided at a rear portion of the base body 210. When the seat body 100 does not rotate to the second rotational orientation, under the action of the first limiting fence 211 and the second limiting fence 212, the seat body 100 may be prevented from being excessively pulled out while the inclination angle is adjusted relative to the base 200.

[47] Fig. 2 is a perspective view of the child safety seat 1 according to the present disclosure, in which the seat body 100 is separated from the base 200.

[48] As shown in Fig. 2, the limiting bulge 113 is provided on the lower side of the seat body 100, and further at a front end of the lower side of the seat body 100. According to the present disclosure, the limiting bulge 113 and the cover plate 150 are integrally provided on the lower side of the seat body 100, the limiting bulge 113 is preferably shaped as a triangle.

[49] According to this embodiment, referring to Fig. 2, the base 200 has a slop shaped upper side, and the slop is inclined in a height decreasing manner from the rear portion to the front portion of the base 200. This makes the design of the seat body 100 more flexible and the overall appearance of the child safety seat 1 more attractive.

[50] According to this embodiment, the rotating part 220 is provided with, for example, a saddle-shaped limiting support part 224 for engaging the seat body 100. The rear portion of the limiting support part 224 may be designed to be higher than the front portion thereof, in order for better cooperate with a corresponding engagement device on the lower side of the seat body 100. The upper side of the limiting support part 224 is provided with the receiving part 222 and a pivotable engagement hook 221 to receive and engage with an engagement device (front and rear engagement rods 350 in Fig. 3) on the lower side of the seat body 100, so that the seat body 100 is fixed to the base 200. An avoidance groove 223 is provided on the rotating part 220, outside the limiting support part 224. The avoidance groove 223 is shaped, for example, as a long strip for avoiding the limiting bulge 113 when the seat body 100 moves relative to the rotating part 220 to adjust a tilt angle or slides out / back. According to an embodiment, the avoidance groove 223 may be an arc-shaped groove to adapt to arc-shaped movement of the limiting bulge 113.

[51] According to this embodiment, the first limiting fence 211 and the second limiting fence 212 are arc-shaped, and are disposed on two sides of the rotating part 220 in the direction of the vehicle seat or front-rear direction. When the seat body 100 is in the first rotational orientation aligned with the direction of the vehicle seat, the first limiting fence 211 may block the seat body 100 from sliding forward, or when the seat body 100 is in the third rotational orientation opposite to the direction of the vehicle seat, the second limiting fence 212 may block the seat body 100 from sliding backward, and when the seat body 100 rotates to a direction transverse to the direction of the vehicle seat, due to a gap between the first limiting fence 211 and the second limiting fence 212, the seat body 100 may slide out relative to the base 200, for example, slide out toward the vehicle door, optionally, the seat body 100 may partially extend out of the vehicle from an opened vehicle door position. This makes it easier for the user to hold the child out of the child safety seat 1 without colliding the child with the vehicle frame.

[52] Fig. 3 is perspective view of the seat body 100 according to an embodiment of the present disclosure from another view to more clearly show a lower side of the seat body 100. The side wings 120 extend to the seat part 110, and the cover plate 150 is shaped to match the seat part 110 and the side wings 120. According to this embodiment, for example, a triangle limiting bulge 113 is provided at a front position of the lower side of the cover plate 150, and advantageously, a limiting bulge 113 is provided on each of the two cover plates 150 on both sides of the seat body 100.

[53] As can be seen from Fig. 3, the sliding mechanism 300 in a recessed installation part 111 is provided on the lower side of the seat body 100. The recessed installation part 111 has a side wall and a top wall perpendicular to the side wall, and the top wall is formed by the lower side surface of the seat part 110. The sliding mechanism 300 includes a sliding frame 310, a fixed frame 320, a first sliding rod 330 passing through the sliding frame 310, an engagement rod 350 and a bottom cover 360.

[54] According to this embodiment, the sliding frame 310 is fixedly connected to the seat body 110, wherein the sliding frame 310 is configured as a sliding sheet 310, advantageously the sliding sheet 310 is provided on either side wall of the recessed installation part 111, and each of the sliding sheets 310 correspondingly has a first angled slot 311 (for example, a front angled slot provided near the front side of the seat body 110). The fixed frame 320 is configured as a fixed sheet 320 having an engagement rod perforation 325 for fixing the engagement rod 350. The fixed sheet 320 is detachably engaged (for example, detachably engaged) to the limiting support part 224 of the base 200 through the engagement rod 350. According to an embodiment of the present disclosure, the engagement rod perforation 325 is respectively provided on the front and rear ends of the fixed sheet 320 to fix each of the front and rear engagement rods 350. Each of the front and rear engagement rods 350 extends laterally below the seat body 110. The sliding mechanism 300 includes two fixed sheets 320 on two sides, and two ends of the engagement rod 350 are respectively fixed to the engagement rod perforations 325 of the two fixed sheets 320.

[55] The fixed sheet 320 further includes a first sliding rod perforation 323 for penetrating and fixing the first sliding rod 330, (the first sliding rod perforation 323, for example, is located near the front side of the seat body 110, allowing the first sliding rod 330 to be close to the front side of the seat body 110). The first sliding rod 330 is inserted into the first angled slot 311 on the sliding sheet 310. The first angled slot 311 is configured to allow the first sliding rod 330 on the fixed sheet 320 to slide therein. Therefore, the sliding frame 310 may slide relative to the fixed sheet 320 along a path provided by the first angled slot 311, thereby adjusting the tilt angle of the seat body 100 relative to the base 200. According to this embodiment, two fixed sheets 320 are located on the inner sides of two sliding sheets 310. The first sliding rod 330 is transversely provided below the seat body 110, with both ends fixed to the first sliding rod perforations 323 of the two fixed sheets 320, and further extended into the first angled slots 311 on the two sliding sheets 310, respectively. Alternatively, the first sliding rod 330 may not be designed as a single piece but as two separate pieces. When adjusting the tilt angle of the seat body 110, the sliding frame 310 moves in the sliding manner relative to the fixed frame 320, so that the seat body 110, which is fixedly connected to the sliding frame 310, slides relative to the fixed frame 320.

[56] According to the present disclosure, the rear portion of the sliding mechanism 300 further includes a second sliding rod 340 and a second angled slot 321. The second angled slot 321 is provided at the rear portion of the fixed frame 320. The sliding frame 310 is provided with a second sliding rod installation hole 314 for penetrating and fixing the second sliding rod 340, (the second sliding rod installation hole 314, for example, is located near the rear side of the seat body 110, allowing the second sliding rod 340 to be close to the rear side of the seat body 110). The second sliding rod 340 on the sliding frame 310 is inserted into the second angled slot 321 on the fixed frame 320. The second angled slot 321 on the fixed frame 320 is configured to allow the second sliding rod 340 to slide therein. Consequently, when adjusting the tilt angle of the seat body 110, the sliding frame 310 moves in a sliding manner relative to the fixed frame 320, and the sliding frame 310 may adjust the tilt angle of the seat body 110 along a path provided by the second angled slot 321.

[57] The second sliding rod 340 is transversely provided on the lower side of the seat body 110, with both ends of the second sliding rod 340 respectively passing through the second angled slots 321 on the two fixed sheets 320, and further secured to the second sliding rod perforations 314 on the two sliding sheets 310, respectively. Alternatively, the second sliding rod 340 may not be designed as a single piece but as two separate pieces. Alternatively, the two second sliding rod perforations 314 may also be directly provided on the two side walls of the recessed installation part 111.

[58] According to the present disclosure, the fixed frame 320 is provided with an angle adjustment hole portion 324, which may formed with a plurality of holes depending on an angle range of the seat body 100 as required. The seat body 100 includes an unlocking part 112 and a locking mechanism, such as a locking pin (not shown). The unlocking part 112, for example, is provided on a lower front side of the seat part 110 for easy operation by the user. The locking mechanism is, for example, provided on the seat body 100. The locking mechanism cooperates with any of the holes on the angle adjustment hole portion 324 on the fixed frame 320 to lock the tilt angle of the seat body 100. By pulling the unlocking part 112, the locking mechanism is disengaged from the angle adjustment hole portion 324, to allow the seat body 100 to slide along the first and second slots, and when the unlocking part 112 is operated (or released) to engage the locking mechanism with the angle adjustment hole portion 324, he tilt angle position of the seat body 100 is fixed. Advantageously, the first sliding rod 330 can play a role in stabilizing the sliding motion.

[59] According to this embodiment, a plurality of holes of the angle adjustment hole portion 324 are provided along an extension direction of the first angled slot 311. When the locking mechanism 115 is inserted into a hole at a rearmost side of the angle adjustment hole portion 324, the seat body 100 is locked in a first angle position. When the locking mechanism 115 is inserted into a hole at a frontmost side of the angle adjustment hole portion 324, the seat body 100 is locked in the second angle position. This second angle position is a turning position between the tilt angle adjustment and the sliding pull-out of the seat body 100. Continuing to pull the seat body 100 towards the front side from the turning position will cause the seat body 100 to translate towards the front side of the seat body 100 relative to the base 200 to be pulled out.

[60] According to an embodiment, alternatively, the sliding frame 310, which is fixedly connected to the seat body 100, is provided with an angle adjustment hole portion 324, and the locking mechanism, such as a locking pin (not shown), is provided on the fixed frame 320.

[61] According to the present disclosure, a bottom cover 360 can be fixedly connected to the fixed frame 320. The bottom cover 360 may be configured to have a bottom cover body 361 and a connecting part 362. The connecting part 362 is respectively connected to the fixed sheets 320 on both sides of the seat body 100. The bottom cover 360 may be used to cover the sliding mechanism 300 and / or the lower side of the seat body 100 as needed, and may further assist in fixing the front and rear engagement rods 350.

[62] Fig. 4 is another perspective view of the seat body 100 according to an embodiment of the present disclosure. In Fig. 4, the cover plate 150 and the unlocking part 112 from Fig. 3 are removed to reveal the installation hole 114 for the cover plate 150 and other structures.

[63] According to this embodiment, the sliding sheet 310 on a side of the seat body 100 is designed as two separated portions in the front-and-rear direction. In addition to the first angled slot 311 on the front portion, there is a first pull-out slot 312 that is communicated with and angled to the first angled slot 311. The first pull-out slot 312 extends along the longitudinal direction of the seat body 100. The first pull-out slot 312 is configured to realize sliding pull-out of the seat body 100. An exemplary fixed hole 313 is also provided on the front portion, through which the sliding sheet 310 is fixedly connected to the seat body 100. The second sliding rod installation hole 314 is provided on the rear portion of the sliding sheet 310.

[64] Fig. 5 illustrates a fixed sheet 320 according to an embodiment of the present disclosure. According to the present disclosure, the fixed sheet 320 includes a second angled slot 321, a second pull-out slot 322 that is connected to and angled to the second angled slot 321, a first sliding rod perforation 323, an angle adjustment hole portion 324, and two engagement rod perforations 325 at the front portion and the rear portion. The second pull-out slot 322 extends along the longitudinal direction of the seat body 100, so that the seat body 100 may slide to be pulled out. The fixed sheet 320 may be shaped based on the design of the lower side of the seat body 100, and the present disclosure is not limited thereto.

[65] Fig. 6 is a perspective view of a base 200 according to an embodiment of the present disclosure. The base 200 includes a base body 210, a rotating part 220, a leg 230, and a vehicle seat connector 240. The base body 210 is configured to be placed on a vehicle seat and detachably fixed to the vehicle seat via the vehicle seat connector 240. The leg 230 is telescopic and in contact with the vehicle floor, which can effectively ensure the stability of the child safety seat. In this example, the leg 230 is fixed to a front lower side of the base 200. According to this embodiment, the rear portion of the base 200 is designed to be higher than the front portion, so that an upper side surface of the base 200 is in a slop shape.

[66] According to this embodiment, a circular rotating part 220 for connecting the seat body 100 is provided on the upper side surface of the base body 210. The rotating part 220 is positioned in a circular opening in the middle of the base 200 and is rotatable relative to the opening.

[67] According to this embodiment, the rotating part 220 is provided with a limiting support part 224, which is shaped as a saddle. The rear portion of the limiting support part 224 is designed to be higher than the front portion. A receiving part 222 and a pivotable engagement hook 221 are provided on an upper side of the limiting support part 224. There is a long strip-shaped (i.e., arc-shaped) avoidance groove 223 on the rotating part 220, outside the limiting support part 224.

[68] According to this embodiment, the first limiting fence 211 and the second limiting fence 212 are arc-shaped and are provided on both sides of the rotating part 220 along a direction of the vehicle seat or in a front-and-rear direction. There is a gap formed between the first limiting fence 211 and the second limiting fence 212.

[69] Fig. 7 is a sectional view of the child safety seat 1 along a section line I-I in Fig. 1. In Fig. 7, the seat body 100 is in the first angle position that is approximately upright, the second sliding rod 340 fixed on the sliding sheet 310 is at a top end of the rearmost side of the second angled slot 321 (i.e., the rearmost side of the seat body). The locking mechanism 115 on the seat body 100 is in a hole at the rearmost side of the angle adjustment hole portion 324 and locks the seat body 100 in the first angle position. The first angled slot 311 on the sliding sheet 310 also slide relative to the first sliding rod 330, so that the first sliding rod is at a top end of the frontmost side of the first angled slot 311.

[70] Fig. 8 is a sectional view of the child safety seat 1 along a section line I-I in Fig. 1. In Fig. 8, the seat body 100 is transitioned from the first angle position in Fig. 7 to a second angle position that is approximately flat. The second sliding rod 340 fixed on the sliding sheet 310 is at a bottom end of the frontmost side of the second angled slot 321, and also in a turning position between the second angled slot 321 and the second pull-out slot 322. The turning position is a turning position between the tilt angle adjustment and the sliding pull-out of the seat body 100; continuing to pull the seat body 100 towards the front side of the seat body 100 from the turning position may cause the seat body 100 to translate towards the front side of the seat body 100 to be pulled out. In Fig. 8, the locking mechanism 115 on the seat body 100, under the operation of the unlocking part 112, transits from the hole at the rearmost side of the angle adjustment hole portion 324 to the hole at the frontmost side of the angle adjustment hole portion 324 and locks the seat body 100 in the second angle position. In Fig. 8, The seat body 100 is transitioned from the first angle position in Fig. 7 to the second angle position that is approximately flat. The first angled slot 311 on the sliding sheet 310 also slides to where the first sliding rod 330 is on the bottom end of the rearmost side of the first angled slot 311 relative to the first sliding rod 330, and is also in the turning position between the first angled slot 311 and the first pull-out slot 312, and the turning position is a turning position between the angle adjustment and the sliding pull-out of the seat body 100.

[71] By adding a lateral sliding section to the front and rear slots (according to this embodiment, the lateral sliding of the base body 210 may be a lateral slide roughly horizontal to the bottom surface of the base 200), the seat body 100 in the second angle position is allowed to further slide out, bringing the seat body 100 closer to the door frame or even pulling it out of the door frame. When the seat body 100 is in a lateral rotational orientation, and when the seat body 100 is transitioned from the approximately upright first angle position to the approximately flat second angle position (according to this embodiment, the approximately flat second angle position is also the turning position), continuing to pull the seat body 100 in the approximately flat second angle position towards the front side of the seat body 100, the first sliding rod 330 may enter the first pull-out slot 312 and slide within the first pull-out slot 312, and the second sliding rod 340 may enter the second pull-out slot 322 and slide within the second pull-out slot 322. The sliding frame 310 may then move relative to the fixed frame 320 along a translational path provided by the first pull-out slot 312 and the second pull-out slot 322 in the sliding manner, allowing the seat body 100 to translate and pull out relative to the base 200 in the sliding manner, and to adjust a horizontal position of the seat body 100 relative to the base 200.

[72] According to this embodiment, the first pull-out slot 312 may be roughly horizontal to the bottom surface of the base 200. The first pull-out slot 312 is at a first angle with the bottom surface of the base 200, and the first angle is between 0 and 5 degrees. The first angled slot 311 is at a second angle with the bottom surface of the base 200, and the second angle is greater than the first angle. The second pull-out slot 322 may be roughly horizontal to the bottom surface of the base 200. The second pull-out slot 322 is at a third angle with the bottom surface of the base 200, and the third angle is between 0 and 5 degrees. The second angled slot 321 is at a fourth angle with the bottom surface of the base 200, and the fourth angle is greater than the third angle.

[73] Fig. 9 is a perspective view of the child safety seat 1 according to the present disclosure. The seat body 100 rotates relative to the base body 210 fixed to the vehicle seat by using the rotating part 220. The seat body 100 rotates from the first rotational orientation of the seat body 100 as shown in Fig. 1, where the seat body 100 is aligned with the direction of the vehicle seat, to a second lateral rotational orientation perpendicular to the base body 210.

[74] It can be seen from Fig. 9 that the engagement rod 350 of the sliding mechanism 300 is engaged and fixed in the receiving part 222 of the rotating part 220.

[75] Fig. 10 is a front view of the child safety seat 1 according to the present disclosure. The seat body 100 is in the second lateral rotational orientation perpendicular to the base body 210, and the seat body 100 is in the approximately upright first angle position. In this state, when a user holds the child out, there is a possibility that the child's head may collide with the door frame.

[76] Fig. 11 is a front view of the child safety seat 1 according to the present disclosure. The seat body 100 is in the second lateral rotational orientation perpendicular to the base body 210, and the seat body 100 is translated to the left side of the base 200 and pulled out relative to the base 200, so that the child does not collide with the door frame when being held out of the vehicle. The limiting bulge 113, installed on the lower side of the cover plate 150, is disengaged from restriction of the first limiting fence 211 and extends out of the base 200.

[77] Fig. 12 is a sectional view of the child safety seat 1 along a section line II-II in Fig. 11. The first angled slot 311 and the first pull-out slot 312 in the sliding sheet 310 are mirror-image provided with the second angled slot 321 and the second pull-out slot 322 in the fixed sheet 320. In Figs. 11 and 12, the seat body 100 is translated to the left side of the base 200 and pulled out relative to the base 200 until the first sliding rod 330 is at the last end of the first pull-out slot 312, and the second sliding rod 340 fixed in the sliding sheet 310 is at the frontmost end of the second pull-out slot 322. The seat body 100 is translated and pulled out to the farthest position relative to the base 200, and the limiting bulge 113 is not restricted by either the first limiting fence 211 or the second limiting fence 212.

[78] According to an embodiment, the sliding mechanism 300 includes a sliding frame 310, a fixed frame 320, slots (e.g., the second angled slot 321 and the second pull-out slot 322) fixed on the fixed frame 320, and a sliding rod (e.g., the second sliding rod 340) fixed on the sliding frame 310. The second sliding rod 340 on the sliding frame 310 extends into the slots on the fixed frame 320 and slides within the slots. The sliding mechanism 300 according to this embodiment may not include the first sliding rod 330, the first angled slot 311, and the first pull-out slot 312. One of the sliding frame 310 and the fixed frame 320 is provided with an angle slot and a pull-out slot which are mutually communicated and angled, so that the sliding rods on the other of the sliding frame 310 and the fixed frame 320 can slide in them, thereby adjusting the tilt angle of the seat body 100 and realizing the sliding pull-out of the seat body 100. Specifically, when adjusting the tilt angle of the seat body 110, the sliding frame 310 moves relative to the fixed frame 320 in the sliding manner, and the sliding frame 310 can adjust the tilt angle of the seat body 110 along a path provided by the angled slots. When the seat body 100 is in the lateral rotational orientation and is transitioned from the approximately upright first angle position to the approximately flat second angle position, the seat body 100 is continued to be pulled towards the front while it is in the approximately flat second angle position, the sliding rod may enter the pull-out slot and slide within the pull-out slot, and the sliding frame 310 may then move relative to the fixed frame 320 along the translational path provided by the pull-out slot, allowing the seat body 100 to translate and slide out relative to the base 200, and to adjust the horizontal position of the seat body 100 relative to the base 200.

[79] According to an embodiment (e.g., Fig. 13), the angled slots and the pull-out slots are, for example, the second angled slot 321 and the second pull-out slot 322 on the fixed frame 320, and the second pull-out slot 322 may be arc-shaped. This allows the tilt angle of the seat body 100 relative to the base 200 to change when adjusting the horizontal position of the seat body 100 relative to the base 200. For example, when the seat body 100 is in the approximately upright first angle position, the tilt angle of the seat body 110 is adjusted, the sliding frame 310 moves relative to the fixed frame 320 in the sliding manner, and the sliding frame 310 may adjust the tilt angle of the seat body 110 along the path provided by the angled slot 321, the seat body 110 is transitioned to the approximately flat second angle position. When the seat body 100 is in the lateral rotational orientation and is transitioned from the approximately upright first angle position to the approximately flat second angle position, continuing to pull the seat body 100 towards the front, the sliding rod may enter the arc-shaped pull-out slot 322 and slide within the pull-out slot 322, and the sliding frame 310 may then move relative to the fixed frame 320 along the arc-shaped sliding path provided by the pull-out slot 322 in the sliding manner, allowing the seat body 100 to slide out relative to the base 200. Consequently, when adjusting the horizontal position of the seat body 100 relative to the base 200, the tilt angle of the seat body 100 relative to the base 200 may also change.

[80] According to an embodiment, an angled slot and a pull-out slot, which are communicated with and angled to each other, are provided on one of the sliding frame 310 and the fixed frame 320 to slide the sliding rod on the other of the sliding frame 310 and the fixed frame 320 therewithin. The angled slot and the pull-out slot are, for example, the second angled slot 321 and the second pull-out slot 322 on the fixed frame 320 (e.g., Fig. 14). The pull-out slot 322 further includes a first pull-out section 322a and a second pull-out section 322b that are angled, to further adjust the tilt angle of the seat body 100 after the seat body 100 has been slid and pulled out. Specifically, when adjusting the tilt angle of the seat body 110, the sliding frame 310 moves relative to the fixed frame 320 in the sliding manner, and the sliding frame 310 can adjust the tilt angle of the seat body 110 along the path provided by the angled slot 321. When the seat body 100 is in the lateral rotational orientation and is transitioned from the approximately upright first angle position to the approximately flat second angle position, continuing to pull the seat body 100 towards the front while it is in the approximately flat second angle position, the sliding rod may enter the first pull-out section 322a of the pull-out slot 322 and slide within the pull-out slot 322. The sliding frame 310 may then move relative to the fixed frame 320 along the translational path provided by the first pull-out section 322a in the sliding manner, to allow the seat body 100 to translate and slide out relative to the base 200, and to adjust the horizontal position of the seat body 100 relative to the base 200. When the seat body 100 is in the pulled-out horizontal position and is further pulled towards the front of the seat body 100, the sliding rod may enter the second pull-out section 322b of the pull-out slot 322 and slide within the pull-out slot, and the sliding frame 310 may adjust the tilt angle of the seat body 110 along the path provided by the second pull-out section 322b.

[81] According to an embodiment (e.g., Figs. 4, 7, 8), the sliding mechanism 300 includes a first sliding element (e.g., the first sliding rod 330) and a first slot 31. One of the first sliding element 330 and the first slot 31 is provided on the seat body 100, and the other of the first sliding element 330 and the first slot 31 is provided on the fixed frame 310. The seat body 100 is installed on the base 200 via the fixed frame 310. The first sliding element 330 is configured to move relative to the first slot 31 along the first slot 31. The first slot 31 includes a first angled slot 311 and a first pull-out slot 312 that is connected to and angled to the first angled slot 311, and the first pull-out slot 312 extends along the longitudinal direction of the seat body 100. A centerline between the front and rear sides of the seat body 100 is provided along the longitudinal direction of the seat body 100. The front side of the seat body 100 is a foot end 101 of the seat body 100, and the rear side is a head end 102 of the seat body 100.

[82] According to an embodiment, the first angled slot 311 and the first pull-out slot 312 are provided one in front of the other along the longitudinal direction of the seat body 100.

[83] According to an embodiment, the sliding mechanism 300 also includes a second sliding element (e.g., the second sliding rod 340) and a second slot 32. One of the second sliding element 340 and the second slot 32 is provided on the seat body 100, and the other of the second sliding element 340 and the second slot 32 is provided on the fixed frame 310. One of the first sliding element 330 and the second sliding element 340 is provided on the seat body 100, and the other of the first sliding element 330 and the second sliding element 340 is provided on the fixed frame 310. The second sliding element 340 is configured to move relative to the second slot 32 along the second slot 32. The second slot 32 includes a second angled slot 321 and a second pull-out slot 322 that is connected to and angled to the second angled slot 321. The second pull-out slot 322 extends along the longitudinal direction of the seat body 100.

[84] According to an embodiment, the second angled slot 321 and the second pull-out slot 322 are provided one in front of the other along the longitudinal direction of the seat body 100.

[85] According to an embodiment, the first sliding element 330 and the first slot 31 of the sliding mechanism 300 are located in the front portion of the sliding mechanism 300.

[86] According to an embodiment, the second sliding element 340 and the second slot 32 of the sliding mechanism 300 are located in the rear portion of the sliding mechanism 300.

[87] According to an embodiment, the first angled slot 311 is closer to the front side of the seat body 100 than the first pull-out slot 312, and the second angled slot 321 is closer to the rear side of the seat body 100 than the second pull-out slot 322.

[88] According to an embodiment, the sliding mechanism 300 further includes a limiting bulge 113 on the seat body 100. The limiting bulge 113 cooperates with the limiting fences 211, 212 on the base 200, so that when the seat body 100 is aligned to or opposite to the vehicle seat in direction, this can directly or indirectly prevent the first sliding element 330 from entering the first pull-out slot 312, or directly or indirectly prevent the second sliding element 340 from entering the second pull-out slot 322.

[89] According to an embodiment, the limiting fences 211, 212 on the base body 210 are adjacent to a circumference of the rotating part 220.

[90] According to the present disclosure, the seat sliding mechanism 300, which adds a limiting structure and a horizontal sliding section to the angle slots, can solve the problem of inconvenience in holding children into or out of the child safety seat.

[91] In the present disclosure, by rotating the seat body 100 to the lateral direction, the seat body 100 may be further slid out to be closer to the door frame or even out of the door frame, which can makes it easier for the user to hold the child in or out and enhance the user experience and satisfaction with the child safety seat 1. Specifically, the front and rear slots are configured in two sections, namely the angle slot and the pull-out slot. The angle slot is used to adjust the tilt angle of the seat body 100 while the pull-out slot is used to further pull out the seat body 100, in order to bring the seat body 100 close to the door. This method is simple in structure and easy to implement. By providing the limiting bulge 113 on the seat body 100 and front and rear limiting fences arranged symmetrically along the base 200 in the front-and-rear direction on the base 200 cooperated with the limiting bulge 113, when the child safety seat 1 is in a forward or rearward position, under the action of the limiting bulge 113 and the limiting fences, the seat body 100 may only adjust the tilt angle but not further being slid out. When the seat body 100 is rotated to the lateral position, the limiting bulge 113 is allowed to bypass the limiting fences, the seat body 100 may be further slid out along the pull-out slot by pulling the seat body 100, so that the seat body 100 is closer to the door, so as to facilitate holding in or out of the child.

[92] Since the features of the present disclosure can be embodied in various forms without departing from the features of the present disclosure, it should further be understood that the above embodiments are not limited to any details described above, unless otherwise noted, 5 but should be broadly interpreted as being within the scope defined by the appended claims. Therefore, all modifications and amendments falling within the scope and limits of the claims or the equivalent solutions of such scope and limits shall be covered by the appended claims.

Claims

1. A sliding mechanism (300) for a child safety seat (1), the child safety seat comprising a seat body (100) and a base (200), whereinthe sliding mechanism (300) comprises a first pull-out slot (312) extending along a longitudinal direction of the base (200), and the seat body (100) slides relative to the base (200) through the first pull-out slot (312).

2. The sliding mechanism (300) according to claim 1, whereinthe sliding mechanism (300) comprises:a sliding frame (310) provided at a lower side of the seat body (100) and comprising:a first angled slot for adjusting a tilt angle of the seat body (100); andthe first pull-out slot (312), the first angled slot (311) being communicated with the first pull-out slot (312);a fixed frame (320) connected to the base (200) and comprising:a second angled slot (321); anda second pull-out slot (322), the second angled slot (321) being communicated with the second pull-out slot (322);a first sliding rod (330) passing through the fixed frame (320) and sliding in the first angled slot (311) and the first pull-out slot (312); anda second sliding rod (340) fixed in the sliding frame (310) and sliding in the second angled slot (321) and the second pull-out slot (322).

3. The sliding mechanism (300) according to claim 2, whereinthe sliding frame (310) is composed of two sliding sheets, the two sliding sheets are respectively fixed to sides of a recessed installation part at a lower side of a seat part (110) of the seat body (100), and each of the two sliding sheets comprises the first angled slot (311) and the first pull-out slot (312) corresponding to each other;the fixed frame (320) is composed of two fixed sheets, the two fixed sheets are respectively positioned on sides of the sliding sheets opposite to the sides of the recessed installation part, and each of the two fixed sheets comprises the second angled slot (321) and the second pull-out slot (322) corresponding to each other.

4. The sliding mechanism (300) according to claim 3, whereinthe sliding sheet comprises an angle adjustment hole portion (324) cooperating with a locking mechanism on the seat body (100) to lock the seat body (100) at different tilt angle positions.

5. The sliding mechanism (300) according to any one of claims 2 to 4, whereinthe sliding mechanism (300) comprises two engagement rods (350) supported in the fixed frame (320), the two engagement rods (350) are spaced apart along the longitudinal direction of the base (200) and connected to a rotating part (220) on the base (200), the rotating part (220) is configured to rotate the seat body (100) to a forward-facing orientation, a side-facing orientation, or a rear-facing orientation.

6. The sliding mechanism (300) according to claim 5, whereinthe sliding mechanism (300) comprises a limiting bulge (113), the limiting bulge (113) is provided on the seat body (100), the limiting bulge (113) is cooperated with a limiting fence on the base (200) to prevent the seat body (100) from sliding when the seat body (100) is in the forward-facing orientation or the rear-facing orientation..

7. The sliding mechanism (300) according to claim 6, whereinthe limiting bulge (113) is respectively provided on both sides of the seat body (100).

8. The sliding mechanism (300)according to any one of claims 6 or 7, whereinthe base (200) comprises an avoidance groove (223) for accommodating the limiting bulge (113) of the sliding mechanism (300).

9. A child safety seat (1), comprising:a seat body (100);a base (200); anda sliding mechanism (300) including a first sliding element (330) and a first slot (31), one of the first sliding element (330) and the first slot (31) being provided on the seat body (100), the other of the first sliding element (330) and the first slot (31) being provided on the fixed frame (320), the seat body (100) being installed on the base (200) via the fixed frame (320),wherein the first sliding element (330) is configured to move relative to the first slot (31) along the first slot (31), the first slot (31) comprises a first angled slot (311) and a first pull-out slot (312) connected to and angled to the first angled slot (311), and the firstpull-out slot (312) extends along a longitudinal direction of the seat body (100).

10. The child safety seat (1) according to claim 9, wherein the first angled slot (311) and the first pull-out slot (312) are provided one in front of the other along the longitudinal direction of the seat body (100).

11. The child safety seat (1) according to any one of claims 9 or 10, wherein the sliding mechanism (300) further comprises a second sliding element (340) and a second slot (32), one of the second sliding element (340) and the second slot (32) is provided on the seat body (100), and the other of the second sliding element (340) and the second slot (32) is provided on the fixed frame (310);one of the first sliding element (330) and the second sliding element (340) is provided on the seat body (100), and the other of the first sliding element (330) and the second sliding element (340) is provided on the fixed frame (310); andthe second sliding element (340) is configured to move relative to the second slot (32) along the second slot (32), the second slot (32) comprises a second angled slot (321) and a second pull-out slot (322) connected to and angled to the second angled slot (321), and the second pull-out slot (322) extends along the longitudinal direction of the seat body (100).

12. The child safety seat (1) according to claim 11, wherein the second angled slot (321) and the second pull-out slot (322) are provided one in front of the other along the longitudinal direction of the seat body (100).

13. The child safety seat (1) according to any one of claims 9 to 12, wherein the first sliding element (330) and the first slot (31) are in a front portion of the sliding mechanism (300).

14. The child safety seat (1) according to any one of claims 11 to 13, wherein the second sliding element (340) and the second slot (32) are in a rear portion of the sliding mechanism (300).

15. The child safety seat (1) according to any one of claims 11 to 14, wherein the first angled slot (311) is closer to a front side of the seat body (100) than the first pull-out slot (312), and the second angled slot (321) is closer to a rear side of the seat body (100) than the second pull-out slot (322).

16. The child safety seat (1) according to any one of claims 11 to 15, wherein thesliding mechanism (300) further comprises a limiting bulge (113) on the seat body (100), the limiting bulge (113) is cooperated with a limiting fence (211, 212) on the base (200) to directly or indirectly prevent the first sliding element (330) from entering the first pull-out slot (312), or to directly or indirectly prevent the second sliding element (340) from entering 5 the second pull-out slot (322), when the seat body (100) is aligned with or opposite to a direction of the vehicle seat.

17. The child safety seat (1) according to claim 16, wherein the limiting fence (211, 212) on the base body (100) is adjacent to a circumference of the rotating part (220) on the base (200).10

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