child seat

Abstract

Providing highly safe child car seats. [Solution] The child seat of the present invention includes a base (1) and a turntable (2). The child seat comprises a second push member (223), a drive assembly (31), and a propulsion member (6) slidably disposed on the upper surface of the turntable (2) and positioned between the second push member (223) and the drive assembly (31). The propulsion member (6) is driven to slide to prevent or allow the drive assembly (31) from driving the second push member (223).

Description

Technical Field

[0001] The present invention relates to the field of child seats, and more particularly, to the safety mechanism of child seats.

Background Art

[0002] A child seat is a seat designed specifically for children. The child seat is assembled in a vehicle for a child to sit on the child seat in order to restrain the child by the child seat and ensure the safety of the child.

[0003] A child car seat typically comprises a seat, a turntable, and a base. The seat is positioned on the turntable, which can be driven to rotate the seat relative to the base, thereby allowing the seat to rotate to face either forward or backward towards the vehicle's head. When the seat rotates relative to the base to face forward towards the vehicle's head, it is in forward mode; when the seat rotates relative to the base to face backward towards the vehicle's head, it is in rear mode; and when the seat rotates 90 degrees from either forward or rear mode, it is in side mode. Due to age and safety concerns, infants under one year old may only use child car seats that have a hand-carry basket as the seat. The hand-carry basket of a child car seat can be used when rotated to rear or side mode, but not when rotated to forward mode. Only children between one and twelve years old may use child car seats that have a seat as the seat, and the seat of the child car seat can be used when rotated to forward, rear, or side mode. However, current child car seats face a technical problem: as children get older, different seat sections are required, and purchasing separate child car seats with different seat sections for each age group becomes costly. Furthermore, if the seat section and turntable are detachable, and the seat section is to be replaced with a different seat section, when the seat section in forward mode is removed from the turntable and replaced with a hand carry basket, the hand carry basket will then be in forward mode. As a result, parents or users may mistakenly believe that the hand carry basket can also be used in forward mode, leading to a significant safety issue. [Overview of the Initiative] [Problems that the invention aims to solve]

[0004] The objective of the present invention is to provide a safety mechanism for a child car seat that supports the replacement of different seat sections. [Means for solving the problem]

[0005] To achieve the above objective, the present invention provides a child seat safety mechanism comprising a base, a turntable, and a seat portion. The safety mechanism further comprises a locking mechanism and a release mechanism. The turntable is pivotably connected to the top of the base. The locking mechanism is located on the turntable and is connected to the seat portion and locks the seat portion to the turntable. The release mechanism is located on the base and is operable by driving the locking mechanism to release the seat portion.

[0006] Preferably, the child seat safety mechanism further includes a blocking member. The blocking member is positioned between the locking mechanism and the unlocking mechanism, and the turntable rotates at a certain angle relative to the base, thereby allowing the blocking member to block or allow the interlocking between the unlocking mechanism and the locking mechanism.

[0007] Preferably, the locking mechanism includes a locking member, and the release mechanism includes a release member, the release member drives the locking member to release the seat portion.

[0008] Preferably, the locking mechanism includes a rotational trajectory of rotation relative to the base, and the release mechanism is opposite to the rotational trajectory.

[0009] Preferably, the rotation trajectory is point-like.

[0010] Preferably, the restricting projection is provided on one side of the release member, and the blocking member is positioned on a turntable, the turntable rotates at a certain angle relative to the base, thereby the blocking member either blocks the restricting projection or the blocking member shifts away from the restricting projection.

[0011] Preferably, the release mechanism includes a first drive member. The first drive member is slidably positioned on a base and is provided with a first drive chute. The release member is slidably positioned on the first drive chute and is driven to move by the sliding of the first drive member, thereby driving and operating a locking member.

[0012] Preferably, the release mechanism further includes a first release operating member and a first pull wire. The first release operating member is pivotally connected to a base, and the first pull wire is connected between the first release operating member and a first drive member, and the first release operating member rotates to pull the first pull wire and drive the first drive member to slide.

[0013] Preferably, the release mechanism further includes a first elastic reset member for resetting the first drive member, the first elastic reset member being positioned between the first drive member and the base.

[0014] Preferably, the locking mechanism includes an interlocking assembly. The interlocking assembly is positioned on the turntable and above the release member, and the release member is operated to drive the interlocking assembly so that the interlocking assembly drives the locking member to release the seat portion.

[0015] Preferably, the interlocking assembly includes a first push member and a pull member. The first push member is positioned to move up and down on the turntable and is provided with a first inclined surface. The pull member is positioned to move horizontally on the turntable and is provided with a second inclined surface, the first inclined surface contacting the second inclined surface. The first push member is pushed upward by the release member, driving the pull member to move, which in turn drives the locking member and releases the seat portion.

[0016] Preferably, the interlocking assembly further includes a second elastic reset member for resetting a first push member, the second elastic reset member being positioned between the first push member and the pull member.

[0017] Preferably, a blocking member and a blocking mechanism are further included. The blocking member is fixed to a base, and the blocking mechanism is movably positioned on the turntable, with one end of the blocking mechanism moving outside or extending outside the turntable or being hidden inside the turntable so that the blocking mechanism can block or avoid the blocking member.

[0018] Preferably, the blocking mechanism includes a second drive member and a stop block. The second drive member is slidably positioned within the turntable, the stop block is fixedly coupled to the second drive member and positioned to penetrate the turntable, the blocking member is fixed to a base and is driven by sliding the second drive member, thereby causing the stop block to extend outside the turntable or to be hidden inside the turntable, and the stop block to block or to avoid the blocking member.

[0019] Preferably, the blocking mechanism further includes a second push member, the second drive member is provided with a second drive chute, the second push member is slidably positioned on the second drive chute, the seat portion is provided with a drive assembly, and the second push member is driven by the drive assembly to drive the second drive member and slide.

[0020] Preferably, the drive assembly includes a second release operating member, a transmission assembly, and a drive pin. The second release operating member is movably positioned on the seat portion, the drive pin is movably positioned vertically on the seat portion and above the second push member, and the transmission assembly is connected between the second release operating member and the drive pin, and when the second release operating member is driven, it drives the transmission assembly, which in turn drives the drive pin downward and pushes the second push member.

[0021] Preferably, the transmission assembly includes a rotating member. The rotating member is pivotally connected to the seat portion, one end of the rotating member is connected to the second release operating member, the other end of the rotating member is connected to the drive pin, and the rotating member is driven by the second release operating member to drive the drive pin to move and rotate.

[0022] Preferably, the second release operating member is slidably disposed on the seat portion. The second release operating member is in contact connection with the rotating member, and the rotating member is pushed by the sliding of the second release operating member to rotate.

[0023] Preferably, the second release operating member is provided with a driving inclined surface for driving the rotating member to rotate.

[0024] Preferably, the seat portion includes a beam fixed inside the seat portion, and the rotating member is pivotally connected to the beam.

[0025] Preferably, the drive assembly further includes a fifth elastic reset member for resetting the drive pin, and the fifth elastic reset member is disposed between the drive pin and the seat portion.

[0026] Preferably, the second release operating member is pivotally connected to the seat portion.

[0027] Preferably, a propulsion member is further included. The propulsion member is slidably disposed on the upper surface of the turntable and is located between the second push member and the drive assembly. The propulsion member includes a main body and a through hole provided in the main body. The drive assembly drives the second push member through the through hole, and the propulsion member is driven to slide, whereby the main body blocks the drive assembly.

[0028] Preferably, a protrusion is provided on the main body, a sliding groove is provided on the turntable, and the protrusion is slidably disposed in the sliding groove.

[0029] Preferably, an elastic assembly is further included. The turntable is provided with a groove opening communicating with the sliding groove. The elastic assembly is disposed at the groove opening and located between the push member and the turntable. The propulsion member is driven to slide, whereby the propulsion member presses or releases the elastic assembly.

[0030] Preferably, the elastic assembly includes a top block and a third elastic reset member. The top block is slidably disposed at the groove opening. One end of the top block protrudes into the sliding groove. The sliding direction of the top block intersects with the sliding direction of the propulsion member. The third elastic reset member is disposed between the top block and the turntable.

[0031] Preferably, the end of the top block protruding into the sliding groove has an arc-shaped structure.

[0032] Preferably, the second push member includes a first push portion and a second push portion. The first push portion is disposed above the second push portion. The first push portion is attached to the through hole. The second push portion is slidably disposed on the second drive chute.

[0033] Preferably, the blocking mechanism further includes a fourth elastic reset member for resetting the second drive member. The fourth elastic reset member is disposed between the turntable and the second drive member.

[0034] Preferably, a plurality of blocking members are fixed to the base at intervals along the rotation direction of the turntable.

[0035] Preferably, the seat portion has a front mode facing forward with respect to the base and a rear mode facing rearward. The turntable is driven to rotate the seat portion from the rear mode to the front mode, whereby the blocking member blocks the interlock between the release mechanism and the locking mechanism.

[0036] Preferably, the seat portion is removably connected to the upper part of the turntable.

[0037] Preferably, when the seat portion is connected to a turntable, the seat portion is in the rearward mode.

[0038] Preferably, the upper surface of the turntable is provided with a first mounting position and a second mounting position arranged at intervals, and the seat portion is provided with a first mounting portion and a second mounting portion, the first mounting portion being attached to the first mounting position and the second mounting portion being attached to the second mounting position.

[0039] Preferably, the seat portion is a hand-carry basket or seat for a child car seat.

[0040] Compared to conventional technology, the safety mechanism for a child car seat of the present invention includes a locking mechanism on a turntable, a release mechanism on a base, and a blocking member between the locking mechanism and the release mechanism. The seat portion is locked to the turntable by the locking member, and the release member is operable to drive the locking member to release the seat portion so that the seat portion can be removed and replaced with a different seat portion. Therefore, consumers do not need to purchase additional child car seats with different seat portions, thereby reducing consumer usage costs. [Brief explanation of the drawing]

[0041] [Figure 1] Figure 1 is a schematic diagram of the structure of the hand carry basket in the rear mode of the child seat safety mechanism of the present invention. [Figure 2] Figure 2 is a schematic diagram of the seat structure in the rearward mode of the child seat safety mechanism of the present invention. [Figure 3] Figure 3 is a schematic diagram of the seat structure in the forward mode of the child seat safety mechanism of the present invention. [Figure 4] Figure 4 is a schematic diagram of the turntable and base structure of the child seat safety mechanism according to the first embodiment of the present invention. [Figure 5]Figure 5 is a schematic diagram of the safety mechanism of the child seat shown in Figure 4, excluding the turntable and base housings. [Figure 6] Figure 6 is an enlarged view of section A in Figure 5. [Figure 7] Figure 7 is a schematic diagram of the release mechanism of the safety mechanism of the child seat according to the present invention. [Figure 8] Figure 8 is a schematic diagram of the structure of the release member of the safety mechanism of the child seat according to the present invention. [Figure 9] Figure 9 is an internal structure diagram of the turntable and base of the child seat safety mechanism of the present invention. [Figure 10] Figure 10 is an enlarged view of section B in Figure 9. [Figure 11] Figure 11 is a schematic diagram of a release member facing the rotational trajectory of a locking member in a child seat safety mechanism according to the first embodiment of the present invention. [Figure 12] Figure 12 is a schematic diagram of a release member facing the rotational trajectory of a locking member in a child seat safety mechanism according to a second embodiment of the present invention. [Figure 13] Figure 13 is an internal structure diagram of the turntable and base of the child seat safety mechanism of the present invention, viewed from a different angle. [Figure 14] Figure 14 is an enlarged view of section C in Figure 13. [Figure 15] Figure 15 is an enlarged view of section D in Figure 13. [Figure 16] Figure 16 is a schematic diagram of the structure of the seat portion of the safety mechanism of the child seat of the present invention. [Figure 17] Figure 17 is a schematic diagram of the seat portion of a child seat safety mechanism according to another embodiment of the present invention. [Figure 18] Figure 18 is a schematic diagram of the drive assembly structure of the safety mechanism of the child seat according to the present invention. [Figure 19] Figure 19 is a schematic diagram of the turntable and base structure of a child seat safety mechanism according to a second embodiment of the present invention. [Figure 20]Figure 20 is a schematic diagram of the structure of the propulsion member that is removed from the turntable of the child seat safety mechanism of the present invention. [Modes for carrying out the invention]

[0042] To better illustrate the technical content and structural features of the present invention, embodiments will be described in detail with reference to the following accompanying drawings.

[0043] Referring to Figures 1 to 5, the child seat safety mechanism 100 of the present invention includes a base 1, a turntable 2, a seat portion 3, a locking mechanism 4, a release mechanism 5, and a blocking member 21. The turntable 2 is pivotably connected to the upper part of the base 1. The locking member 4 is located on the turntable 2 and connected to the seat portion 3, locking the seat portion 3 to the turntable 2. The release mechanism 5 is located on the base 1 and is operable to drive the locking mechanism 4 to release the seat portion 3. More specifically, the locking mechanism 4 includes a locking member 41, and the release mechanism 5 includes a release member 51, which drives the locking member 41, thereby releasing the seat portion 3. The blocking member 21 is located between the locking mechanism 4 and the release mechanism 5, and as the turntable 2 rotates at a certain angle relative to the base 1, the blocking member 21 prevents or allows the interlocking between the release mechanism 5 and the locking mechanism 4. In this embodiment, the seat portion 3 has a forward mode, facing forward relative to the base 1, and a rear mode, facing backward. The turntable 2 drives the seat portion 3 to rotate from the rear mode to the forward mode, thereby preventing the interlocking between the release mechanism 5 and the locking mechanism 4. According to the present invention, the seat portion 3 is a hand carry basket or seat for a child seat. As shown in Figure 3, when the turntable 2 drives the seat portion 3 to rotate it at a certain angle relative to the base 1, the seat portion 3 enters the forward mode, and the interlocking member 21 prevents the interlocking between the release mechanism 5 and the locking mechanism 4. Therefore, the release mechanism 5 cannot drive the locking mechanism 4 to release the seat portion 3, and thus the seat portion 3 in the forward mode cannot be removed. As shown in Figure 2, when the turntable 2 drives the seat portion 3 to rotate it at a certain angle relative to the base 1, the seat portion 3 enters the rear mode or lateral mode. The interlocking member 21 no longer prevents the interlocking between the release mechanism 5 and the locking member 4, so the release mechanism 5 can drive the locking mechanism 4 to release the seat portion 3.Therefore, the seat portion 3 in rear mode or lateral mode can be removed and replaced with a different seat portion 3. For example, the seat in Figure 2, which functions as a seat portion 3, can be replaced with the hand carry basket in Figure 1, which also functions as a seat portion 3.

[0044] Referring to Figures 6 and 7, in this embodiment, the release mechanism 5 includes a first drive member 52, a first release operation member (not shown), and a first pull wire 53. The first drive member 52 is slidably positioned on the base 1, and the first drive member 52 is provided with a first drive chute 521. The release member 51 is slidably positioned on the first drive chute 521, the first release operation member is pivotally connected to the base 1, and the first pull wire 53 is connected between the first release operation member and the first drive member 52. By rotating the first release operation member to pull the first pull wire 53 and driving the first drive member 52 to slide, the first drive member 52 drives and moves the release member 51 via the first drive chute 521, and the release member 51 drives and operates the lock member 41. Furthermore, the release mechanism 5 further includes a first elastic reset member 54 for resetting the first drive member 52, the first elastic reset member 54 being positioned between the first drive member 52 and the base 1. When the first release operating member is rotated, the first pull wire 53 pulls the first drive member 52, moving it horizontally, and the first drive member 52 compresses the first elastic reset member 54. When the first release operating member is released, the first drive member 52 is reset by the elastic restoring force of the first elastic reset member 54. However, the structure of the release mechanism 5 is not limited to the above example. In other embodiments, for example, the release mechanism 5 may be provided only with a drive block. The drive block may be positioned to slide vertically on the base 1 and be directly operated to slide upward, thereby directly driving the drive block to slide and move the release member 51 upward and to drive the locking member 41 to operate. In another example, the release mechanism 5 may be provided only with a first drive member 52, and the release member 51 is driven to move up and down via a first drive chute 521 of the first drive member 52.

[0045] Referring to Figures 5 and 6, in this embodiment, the locking mechanism 4 includes an interlocking assembly 42. The interlocking assembly 42 is positioned on the turntable 2 and above the release member 41, specifically between the release member 51 and the locking member 41. The release member 51 is operated to drive the interlocking assembly 42, which in turn drives the locking member 41 to release the seat portion 3. More specifically, the interlocking assembly 42 includes a first push member 421 and a pull member 422. The first push member 421 is positioned on the turntable 2 so as to be able to move up and down and may be positioned above the release member 51, and the first push member 421 is provided with a first inclined surface 421a. The pull member 422 is positioned on the turntable 2 so as to be able to move horizontally, and the pull member 422 is provided with a second inclined surface 422a, with the first inclined surface 421a in contact with the second inclined surface 422a. The release member 51 pushes the first push member 421 upward, and through the cooperation of the first inclined surface 421a and the second inclined surface 422a, the first push member 421 drives the pull member 422 to move, thereby driving the pull member 422 to drive the lock member 41 to open and release the seat portion 3. Furthermore, the interlocking assembly 42 further includes a second elastic reset member 423 for resetting the first push member 421, the second elastic reset member 423 being positioned between the first push member 421 and the pull member 422. When the release member 51 pushes the first push member 421 upward, the first push member 421 presses against the second elastic reset member 423. When the release member 51 no longer presses against the first push member 421, the first push member 421 may be reset by the second elastic reset member 423, and at the same time, the pull member 422 is reset along with the reset of the first push member 421. To further enhance the reset function of the pull member 422, an elastic reset member for resetting the pull member 422 may be placed between the pull member 422 and the turntable 2. Note that the structure of the locking mechanism 4 is not limited to the above example.In other embodiments, for example, the interlocking assembly 42 may be omitted from the locking member 4, and the locking member 41 is directly driven and released by the release member 51. In another example, the locking mechanism 4 may consist only of the locking member 41 and a swinging member, one end of which is pivotally connected to the turntable 2, and the swinging member is pushed by the release member 51 of the release mechanism 5 and swings, thereby pushing the locking member 41 and operating the seat portion 3 to release it.

[0046] Referring to Figures 8 to 10, in this embodiment, the restricting projection 511 is provided on the side surface of the release member 51. The blocking member 21 is positioned on the turntable 2, which rotates at a certain angle relative to the base 1, thereby blocking the restricting projection 511 or displacing the blocking member 21 from the restricting projection 511. More specifically, a through hole 27 is provided on the underside of the turntable 2 at a position corresponding to the release member 51. The blocking member 21 is fixed to the inner wall of the through hole 27, and the release member 51 may extend into the through hole 27 and push the first push member 421 of the interlocking assembly 42. When the turntable 2 rotates at a certain angle relative to the base 1, the blocking member 21 is positioned above the restricting projection 511 of the release member 51, and the release member 51 cannot move upward due to the blocking effect of the blocking member 21, thereby preventing the release member 51 from pushing the first push member 421 of the interlocking assembly 42 upward. Therefore, the interlocking of the release mechanism 5 and the lock mechanism 4 is prevented, and the release mechanism 5 cannot drive the lock mechanism 4 to release the seat portion 3, and as a result, the seat portion 3 cannot be removed in the forward mode. As the turntable 2 continues to rotate at a constant angle relative to the base 1, the blocking member 21 shifts away from the restricting projection 511, and the blocking member 21 no longer prevents the upward movement of the release member 51, thereby enabling the release member 51 to push the first push member 421 of the interlocking assembly 42, and further enabling the interlocking between the release mechanism 5 and the lock mechanism 4, allowing the lock member 41 to release the seat portion 3.

[0047] Referring to Figure 11, in this embodiment, the locking mechanism 4 and the release mechanism 5 are located on the axis of rotation relative to the base 1, respectively. The locking mechanism 4 has a rotational trajectory relative to the base 1, and the release mechanism 5 is opposite to this rotational trajectory. In the figure, L indicates the rotational trajectory relative to the base 1, and the rotational trajectory is point-like. The relative positions of the locking mechanism 4 and the release mechanism 5 are constant; that is, as the turntable 2 rotates relative to the base 1, the release mechanism 5 and the locking mechanism 4 maintain a state of facing each other, more specifically, the release member 51 of the release mechanism 5 maintains a state of facing the first push member 421 of the locking mechanism 4. Therefore, the turntable 2 can be driven to rotate relative to the base 1, thereby the blocking member 21 either blocks the restricting projection 511 of the release member 51 or the blocking member 21 shifts away from the restricting projection 511 of the release member 51. In other embodiments, as shown in Figure 12, the locking mechanism 4 and the release mechanism 5 are positioned in directions offset from the axis of rotation of the turntable 2 relative to the base 1, where L in the figure indicates the rotational trajectory of the base 1. The blocking member 21 is positioned on the turntable 2, and the blocking member 21 and the turntable 2 may be an integral structure, i.e., the blocking member 21 is part of the turntable 2. When the locking mechanism 4 rotates to a predetermined angle, the locking mechanism 4 and the release mechanism 5 face each other. At this point, the blocking member 21 enables the interlocking between the release mechanism 5 and the locking mechanism 4, i.e., the blocking member 21 no longer prevents the interlocking between the release mechanism 5 and the locking mechanism 4. As the locking mechanism 4 continues to rotate to the predetermined angle, the release mechanism 5 and the locking mechanism 4 shift away from each other, and the blocking member 21 on the turntable 2 prevents the interlocking between the release mechanism 5 and the locking mechanism 4.

[0048] Referring to Figures 13 to 15, in this embodiment, the child seat safety mechanism 100 of the present invention further includes a blocking member 11 and a blocking mechanism 22. The blocking member 11 is fixed to the base 1, and the blocking mechanism 22 is movably positioned on the turntable 2, and the blocking mechanism 22 blocks or avoids the blocking member 11 by moving one end of the blocking mechanism 22 and either protruding from or hiding within the turntable 2. More specifically, two blocking members 11 are fixed to the base 1 spaced apart along the rotation direction of the turntable 2, and the turntable 2 can be driven to rotate together with the blocking mechanism 22. When one end of the blocking mechanism 22 extends outside the turntable 2, a blockage occurs between the blocking mechanism 22 and the blocking member 11, thereby preventing the turntable 2 from continuing to rotate and limiting the rotation angle of the turntable 2 relative to the base 1. Therefore, the turntable 2 cannot rotate 360°, and similarly the seat portion 3 placed on the turntable 2 cannot rotate 360°. Thus, the seat portion 3 can only rotate to a certain angle on both sides, that is, it can only rotate in a lateral mode. When one end of the blocking mechanism 22 is hidden inside the turntable 2, the blocking mechanism 22 can avoid the blocking member 11, so the turntable 2 rotates 360°, and similarly the seat portion 3 placed on the turntable 2 also rotates 360°. The number of blocking members 11 is not limited to the above example, and the number of blocking members 11 may be one or three. More specifically, the blocking mechanism 22 includes a second drive member 221 and a stop block 222. The second drive member 221 is slidably positioned within the turntable 2, the stop block 222 is fixedly connected to the second drive member 221 and is positioned to penetrate the turntable 2, the blocking member 11 is fixed to the base 1 and the sliding of the second drive member 221 drives the stop block 222 so that the stop block 222 extends outside the turntable 2 or is hidden inside the turntable 2, thereby the stop block 222 blocks or avoids the blocking member 11.When obstruction occurs between the stop block 222 and the blocking member 11, the turntable 2 is prevented from continuing to rotate, thus limiting the rotation angle of the turntable 2 relative to the base 1. When the stop block 222 avoids the blocking member 11, the turntable 2 can rotate 360°. Furthermore, the release mechanism 22 further includes a fourth elastic reset member 224 for resetting the second drive member 221, the fourth elastic reset member 224 being positioned between the turntable 2 and the second drive member 221. When the second drive member 221 slides and drives the stop block 222 into the turntable 2, the second drive member 221 presses against the fourth elastic reset member 224. When the second drive member 221 is released, the second drive member 221 can be reset by the elastic restoring force of the fourth elastic reset member 224, thereby driving the second drive member 221 to extend the stop block 222 outside the turntable 2.

[0049] Referring to Figures 14 to 16, in order to allow the turntable 2 to rotate 360° only when the seat portion 3 is mounted on the turntable 2, the blocking mechanism 22 further includes a second push member 223, the second drive member 221 is provided with a second drive chute 221a, the second push member 223 is slidably positioned on the second drive chute 221a, the seat portion 3 is provided with a drive assembly 31, the second push member 223 is driven by the drive assembly 31 to slide the second drive member 221. More specifically, the drive assembly 31 includes a second release operating member 311, a transmission assembly, and a drive pin 312. The second release operating member 311 is movably positioned on the seat portion 3, the drive pin 312 is movably positioned on the seat portion 3 and above the second push member 223, and the transmission assembly is connected between the second release operating member 311 and the drive pin 312. The second release operating member 311 is driven to drive the transmission assembly, which drives the drive pin 312 downward and pushes the second push member 223. The second drive chute 221a allows the second push member 223 to drive the second drive member 221 to move horizontally, thereby driving the second drive member 221 to hide behind the turntable 2 by the stop block 222, or the stop block 222 to avoid the blocking member 11. Thus the turntable 2 can rotate 360° relative to the base 1, and the seat portion 3 positioned on the turntable 2 can also rotate 360°. As shown in Figure 16, in one embodiment, the second release operating member 311 is pivotally connected to the seat portion 3, and the transmission assembly can be driven to move the drive pin 312 up and down using a tow wire (not shown) and a drive member (not shown) provided with the aforementioned chute, the drive pin 312 is inserted into the chute. The second release operating member 311 rotates and pulls the tow wire, causing the tow wire to pull and slide the drive member, which drives the drive pin 312 through the chute and moves. In other embodiments, as shown in Figures 17 and 18, the transmission assembly includes a rotating member 313.The rotating member 313 is pivotably connected to the seat portion 3, one end of the rotating member 313 is connected to the second release operating member 311, and the other end of the rotating member 313 is connected to the drive pin 312. The rotating member 313 is driven to rotate by the second release operating member 311, which drives the drive pin 312 to move. More specifically, the second release operating member 311 is slidably positioned on the seat portion 3, and is in contact with the rotating member 313. The seat portion 3 includes a fixed beam 34, and the rotating member 313 is pivotally connected to the beam 34. The rotating member 313 slides as it is pushed by the sliding of the second release operating member 311. The second release operating member 311 is provided with, for example, a drive inclined surface 311a for driving and rotating the rotating member 313, but is not limited to this. Furthermore, the drive assembly further includes a fifth elastic reset member 314 for resetting the drive pin 312, the fifth elastic reset member 314 being positioned between the drive pin 312 and the seat portion 3. By driving the second release operating member 311 to slide, the second release operating member 311 drives the rotating member 313 to rotate via the drive inclined surface 311a, thereby causing the rotating member 313 to move the drive pin 312 downward and push the second push member 223, and simultaneously press the fifth elastic reset member 314. When the second release operating member 311 is released, the elastic force of the fifth elastic reset member 314 rotates and resets the drive pin 312, driving and resetting the rotating member 313 and the second release operating member 311. The fifth elastic reset member 314 is, for example, a torsion spring, but is not limited thereto.

[0050] Referring to Figures 19 and 20, the hand carry basket, which functions as the seat portion 3, can only be used in rearward or lateral mode, but cannot be rotated to a forward mode and used accordingly. Only the seat, which functions as the seat portion 3, is adjustable and can be rotated to a forward mode and used accordingly. To enhance the safety of the child seat, the child seat safety mechanism 100 of the present invention further includes a propulsion member 6. The propulsion member 6 is slidably positioned on the upper surface of the turntable 2 and located between the second push member 223 and the drive assembly 31. The propulsion member 6 includes a body 61 and a through hole 62 provided in the body 61. The drive assembly 31 drives the second push member 223 through the through hole 62, and the propulsion member 6 is driven to slide such that the body 61 obstructs the drive assembly 31. More specifically, the main body 61 is provided with a projection 611, the turntable 2 includes a fixed fixing member 23, the fixing member 23 is provided with a sliding groove 231, and the projection 611 is slidably positioned in the sliding groove 231. The fixing member 23 and the turntable 2 may, for example, be an integral structure, but are not limited thereto. When the hand carry basket functions as the seat portion 3, the propulsion member 6 is operated to slide in order to prevent the hand carry basket from rotating 360° and to prevent the hand carry basket from rotating in the forward mode. The propulsion member 6 prevents the drive assembly 31 from driving the second push member 223 downward, and the stop block 222 is held in a state where it extends outside the turntable 2. Therefore, the turntable 2 cannot rotate 360°, i.e., the hand carry basket is prevented from rotating 360°. When the seat functions as seat section 3, the propulsion member 6 is operated to slide, which allows the drive assembly 31 to drive the second push member 223 through the through hole 62, the second push member 223 drives the second drive member 221 to move horizontally, and the horizontally moving second drive member 221 drives the stop block 222 to be hidden by the turntable 2.Therefore, the stop block 222 can avoid the blocking member 11, allowing the turntable 2 to rotate 360° relative to the base 1. That is, the seat can also rotate 360° and rotate to a forward mode and be adjusted. To improve the user's feel for operating the propulsion member 6, the child seat safety mechanism 100 of the present invention further includes an elastic assembly 24. The turntable 2 is provided with a groove opening that communicates with a sliding groove 231, and the elastic assembly 24 is positioned in the groove opening and between the propulsion member 6 and the turntable 2, and the propulsion member 6 is driven to slide so that the propulsion member 6 presses against or releases the elastic assembly 24. More specifically, the elastic assembly 24 includes a top block 241 and a third elastic reset member 242. The top block 241 is slidably positioned in the groove opening, with one end of the top block 241 protruding into the sliding groove 231, and the sliding direction of the top block 241 is opposite to the sliding direction of the propulsion member 6. The third elastic reset member 242 is positioned between the top block 241 and the turntable 2. During the operation and sliding process of the propulsion member 6, the projection 611 of the propulsion member 6 first pushes the top block 241 into the groove opening, thereby causing the top block 241 to press against the third elastic reset member 242. The projection 611 then moves over the top block 241, and the top block 241 can be reset by the elastic restoring force of the third elastic reset member 242. Furthermore, since the end of the top block 241 that protrudes into the sliding groove 231 has an arc-shaped structure, the operability for sliding the propulsion member 6 is improved.

[0051] Referring to Figures 14, 19, and 20, in the child seat safety mechanism 100 according to another embodiment of the present invention, the second push member 223 includes a first push portion 223a and a second push portion 223b. The first push portion 223a is positioned above the second push portion 223b, the first push portion 223a is attached to the through hole 62, and the second push portion 223b is slidably positioned on the second drive chute 221a. The rest of the structure is the same. By operating the propulsion member 6 to slide it, the propulsion member 6 is driven to move the first push portion 223a, thereby causing the first push portion 223a and the second push portion 223b to shift relative to each other. The main body 61 of the propulsion member 6 is positioned between the drive assembly 31 and the second push portion 223b, and the main body 61 prevents the drive assembly 31 from driving the second push portion 223b, thereby holding the stop block 222 in a state extending outside the turntable 2. By operating the propulsion member 6 to slide, the propulsion member 6 is driven to move the first push portion 223a, thereby moving the first push portion 223a above the second push portion 223b, so that the first push portion 223a is positioned between the drive assembly 31 and the second push portion 223b, allowing the drive assembly 31 to drive the first push portion 223a to move the second push portion 223b.

[0052] Referring to Figures 2, 4, and 16, the seat portion 3 is detachably connected to the top of the turntable 2, and when the seat portion 3 is connected to the turntable 2, the seat portion 3 is in the rearward mode. More specifically, the upper surface of the turntable 2 has a first mounting position 25 and a second mounting position 26 spaced apart, and the seat portion 3 is provided with a first mounting portion 32 and a second mounting portion 33, the first mounting portion 32 is attached to the first mounting position 25, and the second mounting portion 33 is attached to the second mounting position 26. Since the first mounting portion 32 of the seat portion 3 is attached to the first mounting position 25 on the turntable 2, and the second mounting portion 33 of the seat portion 3 is attached to the second mounting position 26 on the turntable 2, the seat portion 3 is configured so that it can only be attached to the turntable 2 in the rearward mode. The first mounting portion 32 and the beam 34 may, for example, be configured as the same part, but are not limited to this. For example, the first mounting portion 32 and the beam 34 may be configured as separate parts.

[0053] Referring to Figures 1 to 3 in combination with Figures 4 to 20, the specific operating principle of the child seat safety mechanism 100 of the present invention is as follows.

[0054] As shown in Figure 3, the seat section 3 is a seat, and the seat is in the forward mode. When replacing the seat with a hand carry basket, the second release operating member 311 of the drive assembly 31 on the seat is operated, which drives the transmission assembly and the drive pin 312, thereby pushing the second push member 223 downward. The second drive chute 221a drives the second push member 223 to move horizontally, which drives the second drive member 221 to hide in the turntable 2 by driving the stop block 222, which in turn drives the stop block 222 to avoid the blocking member 11, allowing the turntable 2 to rotate 360° relative to the base 1, and drives the seat to rotate in the rear mode, as shown in Figure 2. At this point, the restricting projection 511 of the release member 51 of the release mechanism 5 is offset from the blocking member 21, and no blocking occurs between the blocking member 21 and the release member 51. Next, the first release operating member of the release mechanism 5 is operated, which drives the first towing wire 53 to slide the first drive member 52, thereby driving the first drive member 52 via the first drive chute 521 to move the release member 51 upward, the release member 51 pushes the first push member 421 of the interlocking assembly 42, and the first push member 421 drives the pull member 422 to move. Thus, the pull member 422 drives the locking member 41 to open and release the seat portion 3, thereby allowing the seat to be removed in rearward mode. The propulsion member 6 is operated to slide, which drives the propulsion member 6 to move the first push portion 223a, thereby shifting the first push portion 223a and the second push portion 223b relative to each other. The main body 61 of the propulsion member 6 is located between the drive assembly 31 and the second push member 223b, and the main body 61 prevents the drive assembly 31 from driving the second push member 223b, thereby holding the stop block 222 in a state where it extends from the turntable 2, and preventing the turntable 2 from rotating 360°.In rearward mode, the hand carry basket is mounted at corresponding positions on the turntable 2; that is, the first mounting portion 32 of the hand carry basket is mounted corresponding to the first mounting position 25 on the turntable 2, and the second mounting portion 33 of the hand carry basket is mounted corresponding to the second mounting position 26 on the turntable 2. At this point, the hand carry basket cannot rotate 360°, and therefore cannot be rotated from rearward mode to forward mode. The same principle applies when replacing the hand carry basket with a seat, and the relevant details are omitted.

[0055] In conclusion, the child seat safety mechanism 100 of the present invention comprises a locking mechanism 4 on a turntable 2 and a release mechanism 5 on a base 1, with the blocking member 11 provided between the locking mechanism 4 and the release mechanism 5. The seat portion 3 is locked to the turntable 2 by the locking mechanism 4, and the release mechanism 5 is operable to drive the locking mechanism 4 to release the seat portion 3. Because the blocking member 21 is present between the locking mechanism 4 and the release mechanism 5, when the turntable 2 drives the seat portion 3 to rotate at a certain angle relative to the base 1 and the seat portion 3 is in forward mode, the blocking member 21 interrupts the interlocking between the release mechanism 5 and the locking mechanism 4, thereby preventing the release mechanism 5 from driving the locking mechanism 4 to release the seat portion 3, and thus preventing the removal of the seat portion 3 in forward mode. When the seat portion 3 is in rearward or lateral mode, the blocking member 21 no longer interrupts the interlocking between the release mechanism 5 and the locking mechanism 4, thereby allowing the release mechanism 5 to drive the locking mechanism 4 to release the seat portion 3. Therefore, the seat section 3 in rear-facing or side-facing mode can be removed and replaced with a different seat section 3, eliminating the need for consumers to purchase additional child seats with different seat sections 3, thereby reducing consumer usage costs. On the other hand, since it is prevented for users to replace the seat in forward-facing mode with a hand-carry basket, it prevents users from mistakenly believing that the hand-carry basket can be used in forward-facing mode, thereby improving the safety of the child seat.

[0056] The above is a disclosure of preferred embodiments of the present invention and should not be construed as a limitation on the claims of the present invention. Accordingly, all equivalent modifications made to the claims of the present invention should be included within the scope of the present invention.

Claims

1. A child car seat comprising a base (1) and a turntable (2), The aforementioned child seat is A second push member (223) and Drive assembly (31) and The system includes a propulsion member (6) slidably disposed on the upper surface of the turntable (2) and located between the second push member (223) and the drive assembly (31), The propulsion member (6) is driven to slide to prevent or allow the drive assembly (31) from driving the second push member (223). A child car seat characterized by the following features.

2. The propulsion member (6) includes a main body (61) and a through hole (62) provided in the main body (61). The drive assembly (31) includes a second release operating member (311) and a drive pin (312), The drive pin (312) of the drive assembly (31) drives the second push member (223) through the through hole (62), and the propulsion member (6) is driven to slide so that the main body (61) blocks the drive pin (312) or so that the through hole (62) is aligned with the drive pin (312). The child car seat according to claim 1.

3. The turntable (2) further includes an elastic assembly (24), the turntable (2) is provided with a sliding groove (231) and a groove opening communicating with the sliding groove (231), the elastic assembly (24) is positioned in the groove opening, and the propulsion member (6) is driven to slide so that the propulsion member (6) presses or releases the elastic assembly (24) to provide an operating sensation. The child car seat according to claim 1.

4. The main body (61) is provided with a projection (611), the turntable (2) includes a fixed fixing member (23), the fixing member (23) is provided with a sliding groove (231), and the projection (611) is slidably arranged in the sliding groove (231). The child car seat according to claim 2.

5. The system further includes a second drive member (221) and a stopping mechanism (22) including a stop block (222), The drive assembly (31) drives the second push member (223) by passing through the through hole (62), The propulsion member (6) is driven to slide, thereby preventing the main body (61) from moving the drive assembly (31). The child car seat according to claim 2.

6. When the propulsion member (6) is operated to slide, the propulsion member (6) prevents the drive assembly (31) from driving the second push member (223) downward, and the stop block (222) is held in a position extending outside the turntable (2). The child car seat according to claim 5.

7. When the propulsion member (6) is operated to slide, the drive assembly (31) is able to drive the second push member (223) through the through hole (62), the second push member (223) drives the second drive member (221) to move horizontally, and the horizontally moving second drive member (221) drives the stop block (222) so that it is hidden by the turntable (2). The child car seat according to claim 5.

8. The elastic assembly (24) includes a top block (241) and a third elastic reset member (242), wherein the top block (241) is slidably positioned in the groove opening, one end of the top block (241) protrudes into the sliding groove (231), and the sliding direction of the top block (241) is opposite to the sliding direction of the propulsion member (6). The child car seat according to claim 3.

9. The third elastic reset member (242) is positioned between the top block (241) and the turntable (2), and in the sliding process of operating the propulsion member (6), the projection (611) of the propulsion member (6) pushes the top block (241) into the groove opening, thereby causing the top block (241) to press against the third elastic reset member (242), the projection (611) to move over the top block (241), and the top block (241) can be reset by the elastic restoring force of the third elastic reset member (242). The child car seat according to claim 8.

10. The end portion of the top block (241) that protrudes into the sliding groove (231) has an arc-shaped structure. The child car seat according to claim 9.

11. The second drive member (221) includes a second drive chute (221a), The second push member (223) includes a first push portion (223a) and a second push portion (223b), The first push portion (223a) is positioned above the second push portion (223b) and is attached to the through hole (62). The second push portion (223b) is slidably positioned on the second drive chute (221a). The child car seat according to claim 2.

12. When the propulsion member (6) is operated to slide, the propulsion member (6) is driven to move the first push portion (223a), thereby causing the first push portion (223a) and the second push portion (223b) to shift relative to each other. The child car seat according to claim 11.

13. By sliding the propulsion member (6), the first push portion (223a) moves above the second push portion (223b), and the first push portion (223a) is positioned between the drive assembly (31) and the second push portion (223b), enabling the drive assembly (31) to drive the first push portion (223a) to move the second push portion (223b). The child car seat according to claim 12.

14. The system further includes a second drive member (221) and a stopping mechanism (22) including a stop block (222), The main body (61) of the propulsion member (6) is located between the drive assembly (31) and the second push portion (223b), and the main body (61) prevents the drive assembly (31) from driving the second push portion (223b), thereby holding the stop block (222) in a state that extends outside the turntable (2). The child car seat according to claim 11.

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