Safety seat and rotating method thereof

Abstract

The invention relates to a safety seat and a rotating method thereof. The safety seat comprises a base; the seat body is provided with a first position and a second position relative to the base; the actuating structure is arranged between the base and the seat body, and the seat body moves relative to the base through the actuating structure; when the seat body is located at the first position, the orientation of the seat body is a first direction; when the seat body moves to the second position through the actuating structure, the axis of the seat body deviates from the axis of the seat body when the seat body is located at the first position, and the orientation of the seat body is a second direction different from the first direction. When the safety seat is installed on an automobile seat for use, after the seat body is converted to the second position, the seat body can extend outwards relative to the base, a user does not need to bend down or extend the body into an automobile for operation when placing a child on the seat body, and use is more convenient.

Description

Technical Field

[0001] The present invention relates to the field of child car safety seats, and particularly to a safety seat and a rotation method thereof. Background Art

[0002] Child car safety seats provide protection for children's safety during rides. Most of the current safety seats on the market are fixedly installed on car seats. When parents place a child on the safety seat, they usually need to bend down and reach into the car, which is rather inconvenient in operation. Currently, there are also some child safety seats with direction adjustment functions to suit the forward and reverse use for children of different ages. When using these safety seats, the seat body can be rotated towards the door before placing the child on the seat body, but the operation still requires the operator to bend down and reach into the car to complete, which is rather inconvenient in operation. Summary of the Invention

[0003] The purpose of the present invention is to overcome the defects of the prior art and provide a new safety seat.

[0004] To achieve the above purpose, the technical solution adopted by the present invention is:

[0005] A safety seat, comprising:

[0006] A base;

[0007] A seat body having a first position and a second position relative to the base; and

[0008] An actuating structure disposed between the base and the seat body, and the seat body moves relative to the base via the actuating structure;

[0009] When the seat body is in the first position, the orientation of the seat body is a first direction; when the seat body moves to the second position via the actuating structure, the axis of the seat body deviates from the axis when the seat body is in the first position, and the orientation of the seat body is a second direction different from the first direction.

[0010] Optionally, when the seat body moves from the first position to the second position, a smooth first movement trajectory is formed, and the seat body rotates continuously relative to the base along the first movement trajectory.

[0011] Optionally, the seat body further has a third position symmetrically arranged with the second position. When the seat body moves from the first position to the third position via the actuating structure, a smooth second movement trajectory is formed, and the orientation of the seat body when it is in the second position is opposite to the orientation of the seat body when it is in the third position.

[0012] Optionally, the first movement locus and the second movement locus are smooth arcs, the first direction is forward or backward, and the second direction is leftward or rightward.

[0013] Optionally, the second movement locus is arranged to intersect with the first movement locus, and the seat body is always in the same plane when moving along the first movement locus and along the second movement locus.

[0014] Furthermore, the first movement locus and the second movement locus are in the same horizontal plane.

[0015] In some embodiments, the first movement locus and the second movement locus are not arranged to intersect, and the seat body is always in the same plane when moving along the first movement locus and along the second movement locus.

[0016] Optionally, the base has a base axis, the seat body has a second central axis extending longitudinally along the seat body and an axis perpendicular to and intersecting the second central axis, the axis is parallel to the base axis, when the seat body is in the first position, the axis coincides with the base axis, when the seat body is in the second position, the base axis intersects the second central axis, and the distance L between the base axis and the axis is greater than 0.

[0017] In some embodiments, the actuating structure includes a first shaft and a second shaft provided on one of the seat body and the base. When the seat body moves along the first movement locus, the axial direction of the first shaft is fixed and it rotates circumferentially relative to the seat body or the base, and the seat body moves along the first movement locus; when the seat body moves along the second movement locus, the axial direction of the second shaft is fixed and it rotates circumferentially relative to the seat body or the base, and the seat body moves along the second movement locus.

[0018] In some embodiments, the axis center lines of the first shaft and the second shaft at the first position are symmetrically distributed on both sides of the first central axis of the base and close to the front end of the base.

[0019] In some embodiments, the actuating structure includes: two first grooves respectively arranged opposite to the first shaft and the second shaft, the first grooves are arranged on the other one of the seat body and the base and extend in an arc shape for the first shaft or the second shaft to drive the seat body to move in the first grooves, and the center of the first groove deviates from the first central axis of the base.

[0020] In some embodiments, the actuating structure includes: two second grooves respectively disposed opposite to the first shaft and the second shaft. The first shaft and the second shaft are telescopically disposed in one of the seat body and the base, and the second groove is disposed in the other of the base and the seat body for the first shaft and the second shaft to be inserted into or disengaged from the second groove.

[0021] In some embodiments, the safety seat further includes:

[0022] A support member is provided on the base. The seat body includes a bearing main body and a bearing member. The bearing member is disposed between the support member and the bearing main body, and the bearing member is used for engaging with the bearing main body;

[0023] The first shaft and the second shaft are disposed in one of the support member and the bearing member, and the first groove or the second groove is disposed on the other of the support member and the bearing member.

[0024] In some embodiments, a first avoidance groove and a second avoidance groove are provided on the other of the seat body and the base. When the seat body moves along the first movement track, the second avoidance groove is used for avoidance. When the seat body moves along the second movement track, the first avoidance groove is used for avoidance.

[0025] Optionally, one end of the first avoidance groove is connected to the first movement track, one end of the second avoidance groove is connected to the second movement track, the first avoidance groove and the second avoidance groove are arranged in a cross manner, the other end of the second avoidance groove is used for limiting the rotation angle when the seat body moves from the first position to the second position, and the other end of the first avoidance groove is used for defining the rotation angle when the seat body moves from the first position to the third position.

[0026] In some embodiments, the actuating structure includes: a first shaft and a second shaft disposed on one of the seat body and the base, and a third groove and a fourth groove corresponding to the first shaft and the second shaft are provided on the other of the seat body and the base. Both the third groove and the fourth groove are linear grooves. When the seat body moves along the first movement track, the seat body is axially fixed and rotates relative to the base, the first shaft slides into the third groove, and the second shaft slides out of the fourth groove; when the seat body moves along the second movement track, the seat body is axially fixed and rotates relative to the base, the second shaft slides into the fourth groove, and the first shaft slides out of the third groove.

[0027] Optionally, one end of the third groove penetrates through the edge of the seat body or the base; one end of the fourth groove penetrates through the edge of the seat body or the base.

[0028] Optionally, when the seat body is in the first position, the third groove and the fourth groove are symmetrically arranged with respect to the first central axis of the base. The third groove and the fourth groove are located at the rear end of the seat body or the base, and the third groove and the fourth groove are respectively inclined from the edge of the seat body or the base towards the first central axis of the base.

[0029] Optionally, one of the seat body and the base is provided with a sliding shaft, and the other of the seat body and the base is provided with a sliding groove. The sliding shaft is slidably arranged in the sliding groove. When the seat body moves from the first position to the second position, one end of the sliding groove is used to limit the rotation angle of the seat body. When the seat body moves from the first position to the third position, the other end of the sliding groove is used to limit the rotation angle of the seat body.

[0030] Further optionally, the sliding groove is a semi-circular groove. In the first position, the sliding groove is symmetrically arranged with respect to the first central axis of the base, and the sliding shaft is located in the middle of the sliding groove. When the seat body is in the second position, the sliding shaft is located at one end of the sliding groove. When the seat body is in the third position, the sliding shaft is located at the other end of the sliding groove.

[0031] In some embodiments, the safety seat further includes:

[0032] A locking structure, which is provided on one of the seat body and the base and is used to selectively lock the first shaft and / or the second shaft; and

[0033] An unlocking structure, which is connected to the locking structure and is used to release the locking structure.

[0034] In some embodiments, the locking structure includes a locking member that can lock the first shaft and / or the second shaft. The locking member is rotatably arranged on the base along a third direction or a fourth direction different from the third direction. The unlocking structure includes an unlocking member. The unlocking member is connected to the locking member through a traction member. When the unlocking member is unlocked, it drives the locking member to rotate relative to the base through the traction member to unlock.

[0035] In some embodiments, the base is provided with a first rotating shaft and a second rotating shaft. When the unlocking member is unlocked, the locking member rotates relative to the first rotating shaft or the second rotating shaft along the third direction, so that the first locking portion of the locking member moves away from the first rotating shaft or the second rotating shaft.

[0036] In some embodiments, the first shaft and the second shaft respectively have a first inclined surface, and the locking member has a second inclined surface. When the unlocking member unlocks, the locking member rotates relative to the first shaft or the second shaft in the fourth direction, and the second inclined surface and the first inclined surface act on each other to move the second locking portion of the locking member closer to the first shaft or the second shaft.

[0037] In some embodiments, the safety seat further includes a limiting structure disposed between the locking member and the traction member, and the limiting structure includes:

[0038] A connecting portion connecting the locking member and the traction member, and a fifth groove is provided on the connecting portion; and

[0039] A protruding portion slidably disposed in the fifth groove;

[0040] When the unlocking member unlocks, the unlocking member drives the fifth groove to slide relative to the protruding portion via the traction member.

[0041] In some embodiments, when the seat body moves from the first position to the second position, a first guiding trajectory is formed, and when the seat body moves from the first position to the third position, a second guiding trajectory is formed. The first guiding trajectory and the second guiding trajectory are symmetrically arranged.

[0042] Optionally, the first guiding trajectory and the second guiding trajectory are symmetrically arranged with respect to the first central axis of the base.

[0043] Optionally, both the first guiding trajectory and the second guiding trajectory are smooth arcs, and the first guiding trajectory and the second guiding trajectory are cross - arranged.

[0044] Further optionally, the first guiding trajectory coincides with the first moving trajectory, and the second guiding trajectory coincides with the second moving trajectory.

[0045] Optionally, both the first guiding trajectory and the second guiding trajectory are straight lines, and the first guiding trajectory and the second guiding trajectory are connected.

[0046] Further optionally, the first guiding trajectory does not cross the first moving trajectory, and the second guiding trajectory does not cross the second moving trajectory.

[0047] Further optionally, a guiding shaft is provided on one of the seat body and the base. When the seat body moves along the first moving trajectory, the axial direction of the guiding shaft is fixed and it rotates circumferentially relative to the seat body or the base and forms the first guiding trajectory. When the seat body moves along the second moving trajectory, the axial direction of the guiding shaft is fixed and it rotates circumferentially relative to the seat body or the base and forms the second guiding trajectory.

[0048] Further optionally, a first guiding groove and a second guiding groove are provided on one of the seat body and the base, the first guiding groove communicates with the second guiding groove, and the guiding shaft can slide in the first guiding groove and the second guiding groove.

[0049] Further optionally, a guiding slider is provided on one of the seat body and the base and is circumferentially rotatably connected to the guiding slider, and a guiding groove is provided on the other one. When the seat body moves along the first movement track, the guiding slider slides in the guiding groove to form the first guiding track, and the seat body rotates circumferentially relative to the base. When the seat body moves along the second movement track, the guiding slider slides in the guiding groove to form the second guiding track, and the seat body rotates circumferentially relative to the base.

[0050] Further optionally, the guiding slider is provided on the seat body, the guiding groove is provided on the base, and the seat body is circumferentially rotatably connected to the guiding slider.

[0051] Another object of the present invention is to provide a rotation method for a safety seat.

[0052] To achieve the above object, the technical solution adopted by the present invention is: a rotation method for a safety seat, the method comprising: driving the seat body to move relative to the base along a first movement track, so that the seat body gradually changes from a first direction to a second direction different from the first direction, and the axis of the seat body when facing the second direction deviates from the axis of the seat body when facing the first direction.

[0053] Optionally, when the seat body moves along the first movement track, it rotates continuously relative to the base, and the first movement track is a smooth arc.

[0054] Optionally, the method further comprises: driving the seat body to move relative to the base along a second movement track, the second movement track intersects with the first movement track, and the first movement track and the second movement track are located in the same horizontal plane.

[0055] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: For the safety seat and its rotation method of the present invention, when the seat body is switched from the first position to the second position, the orientation of the seat body changes, and at the same time, the axis of the seat body deviates from the axis when the seat body is in the first position. When the safety seat is installed on the car seat and used, during the process of switching the seat body from the first position to the second position, the seat body can gradually extend outwards relative to the base or the amplitude of extending outwards relative to the base becomes larger and larger, or even part of it can extend out of the car door. In this way, when the user places a child on the seat body or takes the child off the seat body, there is no need to bend down or reach into the car for operation, which is more convenient to use. The smooth movement trajectory can increase the comfort and stability of riding. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] FIG. Figure 1 is a perspective structural view of the safety seat according to an embodiment of the present invention, wherein the load-bearing main body of the seat body is a carrycot, and the seat body is in the first position;

[0057] FIG. Figure 2 is for FIG. Figure 1 a perspective structural view of the seat body of the safety seat in FIG. when it is switched to the second position;

[0058] FIG. Figure 3 is a perspective structural view of the safety seat according to another embodiment of the present invention, wherein the load-bearing main body of the seat body is a safety seat, and the seat body is in the first position;

[0059] FIG. Figure 4 is for FIG. Figure 3 a perspective structural view of the seat body of the safety seat in FIG. when it is switched to the second position;

[0060] FIG. Figure 5 is for FIG. Figure 1 a structural view of the carrycot in the safety seat in FIG.

[0061] FIG. Figure 6 is for FIG. Figure 3 a structural view of the safety seat in the safety seat in FIG.

[0062] FIG. Figure 7 is an overall structural view of the safety seat (after omitting the load-bearing main body of the seat body) according to another embodiment of the present invention;

[0063] FIG. Figure 8 is for FIG. Figure 7 a longitudinal sectional view in FIG.

[0064] FIG. Figure 9 is for FIG. Figure 7 a connection view of the locking structure and the unlocking structure on the base in the safety seat in FIG.

[0065] Attached Figure 10 is attached Figure 7 Schematic diagram of the connection of the support member with the first shaft, the second shaft, and the locking structure and the unlocking structure in the safety seat;

[0066] Attached Figure 11 is attached Figure 10 Schematic diagram of the perspective structure;

[0067] Attached Figure 12 is attached Figure 7 Schematic diagram of the connection structure between the unlocking structure and the locking structure in the safety seat;

[0068] Attached Figure 13 is attached Figure 7 Top view structure diagram, where the seat body is in the first position;

[0069] Attached Figure 14 is attached Figure 13 Based on, top view structure diagram when the seat body is converted to the second position;

[0070] Attached Figure 15 is attached Figure 13 Based on, top view structure diagram when the seat body is converted to the third position;

[0071] Attached Figure 16 Top view structure diagram of the safety seat (after omitting the load-bearing main body of the seat body) according to another embodiment of the present invention, where the seat body is in the first position;

[0072] Attached Figure 17 is attached Figure 16 Based on, top view structure diagram when the seat body is converted to the second position;

[0073] Attached Figure 18 is attached Figure 16 Based on, top view structure diagram when the seat body is converted to the third position;

[0074] Attached Figure 19 is attached Figure 16 Schematic diagram of the connection of the support member with the first shaft, the second shaft, and the locking structure and the unlocking structure in the safety seat;

[0075] Attached Figure 20 is attached Figure 16 Schematic diagram of the structure of the load-bearing member in the safety seat;

[0076] Attached Figure 21 is attached Figure 16 Schematic diagram of the connection of the locking structure and the unlocking structure on the base in the safety seat;

[0077] AttachedFigure 22 In the safety seat with Figure 16 the schematic diagram of the connection structure between the unlocking structure and the locking structure;

[0078] With Figure 23 In the safety seat with Figure 16 the schematic diagram of the unlocking principle of the unlocking structure;

[0079] With Figure 24 the top view of the safety seat provided by another embodiment of the present invention in the first position;

[0080] With Figure 25 In the safety seat with Figure 24 the axonometric view of the safety seat in the first position on the basis of

[0081] With Figure 26 In the safety seat with Figure 24 the top view of the installed seat in the second position or the third position on the basis of

[0082] With Figure 27 In the safety seat with Figure 26 the axonometric view of the safety seat in the second position or the third position on the basis of

[0083] With Figure 28 In the safety seat with Figure 24 the partial structure schematic diagram of the seat body on the basis of

[0084] With Figure 29 In the safety seat with Figure 24 the explosion diagram of the safety seat on the basis of

[0085] With Figure 30 In the safety seat with Figure 24 the top view of the process state of the safety seat moving from the first position to the second position or the third position on the basis of

[0086] With Figure 31 In the safety seat with Figure 30 the axonometric view of the process state of the safety seat moving from the first position to the second position or the third position on the basis of

[0087] With Figure 32 the top view of the safety seat provided by another embodiment of the present invention in the first position;

[0088] With Figure 33 In the safety seat with Figure 32 the top view of the process state of the safety seat moving from the first position to the second position on the basis of

[0089] With Figure 34 In the safety seat with Figure 32 the top view of the process state of the installed seat in the second position on the basis of

[0090] Appendix Figure 35 For Appendix Figure 32 Based on Figure 32 , a top view of the process state when the safety seat moves from the first position to the third position;

[0091] Appendix Figure 36 For Appendix Figure 32 Based on Figure 32 , a top view of the process state when the installation seat is placed in the third position;

[0092] Appendix Figure 37 For Appendix Figure 32 Based on Figure 32 , an exploded view of the safety seat;

[0093] Appendix Figure 38 For Appendix Figure 32 Based on Figure 32 , a schematic structural diagram of the base;

[0094] Appendix Figure 39 For Appendix Figure 32 Based on Figure 32 , a schematic structural diagram of the carrier;

[0095] Wherein:

[0096] 1. Base; 2. Seat body; 20. Carrier; 201. Second groove; 21. Basket; 22. Safety seat;

[0097] 3. Support member; 31, 32. First groove; 43. Third groove; 44. Fourth groove; 45. First avoidance groove; 46. Second avoidance groove;

[0098] 4. First shaft; 41. First inclined surface; 5. Second shaft;

[0099] 51. Guide shaft; 52. Guide groove; 53. Guide slider; 54. Sliding shaft; 55. Sliding groove;

[0100] 6. Locking structure; 61. First locking member; 611. First locking portion; 612. First connecting portion; 613. First guide groove; 61a. Second inclined surface; 61b. Second locking portion;

[0101] 62. Second locking member; 621. First locking portion; 622. Second connecting portion; 623. Second guide groove; 63. First rotating shaft; 64. First guiding column; 65. Second rotating shaft; 66. Second guiding column; 67. First spring; 68. Second spring;

[0102] 7. Unlocking structure; 71. First traction member; 72. Second traction member; 73. First unlocking button; 74. Second unlocking button; 8. Elastic member;

[0103] a. Base axis; b. Axis; M1. First central axis; M2. Second central axis. Detailed implementation mode

[0104] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0105] The following descriptions regarding directions such as front, back, left, right, up, and down are all defined with reference to the direction observed by the child on the safety seat when the safety seat is installed forward on the car seat. The purpose is only to clearly illustrate the relative positional relationship of the components in the safety seat.

[0106] Referring to the accompanying drawings, a safety seat provided by the present invention includes a base 1 and a seat body 2. The seat body 2 has a first position and a second position relative to the base 1. The safety seat further includes an actuating structure disposed between the base 1 and the seat body 2. The seat body 2 can move relative to the base 1 via the actuating structure. When the seat body 2 is in the first position, the orientation of the seat body 2 is the first direction; when the seat body 2 moves to the second position via the actuating structure, the axis of the seat body 2 deviates from the axis when the seat body 2 is in the first position, and the orientation of the seat body 2 is the second direction different from the first direction.

[0107] Specifically, the seat body 2 includes a bearing body and a bearing member 20. The bearing member 20 is disposed at the bottom of the bearing body and is joined to the bearing body; a support member 3 is provided on the base 1, as Figure 7 shown, the seat body 2 is connected to the base 1 through the bearing member 20, specifically connected to the support member 3 on the base 1. The bearing member 20 is disposed between the support member 3 and the bearing body. The bearing body can be integrally provided or separately provided with the bearing member 20, and the two can be assembled or disassembled. Thus, different bearing bodies can be selected according to the use needs and joined with the bearing member 20 and then installed on the base 1. The bearing body can specifically be Figure 1 , Figure 2 and Figure 5 shown baby basket 21 to be suitable for infants and young children of a relatively small age group, or can also be Figure 3 , Figure 4 and Figure 6 shown safety seat 22 to be suitable for children of a relatively large age group.

[0108] The above-mentioned first direction can be forward or backward. Correspondingly, the second direction is leftward or rightward, that is, when the seat body 2 is in the first position, it faces forward or backward, and when the seat body 2 is switched to the second position, it faces left or right.

[0109] Specifically, referring to Figures 1 to 2 shown, the bearing body of the seat body 2 is the baby basket 21. Figure 1 In the state shown, the baby basket 21 is in the first position and faces backward; Figure 2In the state shown, the carrycot 21 is in the second position and faces right, and the Figure 2 axis of the carrycot 21 in this state deviates from the Figure 1 axis of the carrycot 21 in this state. The carrycot 21 protrudes more outward relative to the base 1 in the left - right direction. Thus, when this child safety seat is installed on an automobile seat, when the carrycot 21 is switched to the second position, the carrycot 21 can be closer to the door frame of the automobile, and even part of it can extend outside the door frame, which is convenient for parents to place the child on the carrycot 21 and fasten the child to the carrycot 21.

[0110] Similarly, referring to Figures 3 to 4 as shown, the load - bearing body of the seat body 2 is the safety seat 22, which is suitable for older children to use. Figure 3 In the state shown, the safety seat 22 is in the first position and faces forward; Figure 4 In the state shown, the safety seat 22 is in the second position and faces right, and the Figure 4 axis of the safety seat 22 in this state deviates from the Figure 3 axis of the safety seat 22 in this state. The safety seat 22 protrudes more outward relative to the base 1 in the left - right direction, which is convenient for parents to place the child on the safety seat 22 and fasten the child to the safety seat 22.

[0111] In some embodiments, the seat body 2 further has a third position symmetrically arranged with respect to the second position, and the seat body 2 can also be moved to the third position via an actuating structure. When the seat body 2 is in the third position, its orientation is opposite to that when the seat body 2 is in the second position. That is, when the seat body 2 is in the second position and the third position, the orientations of the seat body 2 are right - facing and left - facing respectively. In this way, it is convenient for the user to select to switch the seat body 2 to the second position or the third position according to the installation position of the child safety seat on the automobile seat, so as to face the corresponding side door.

[0112] In some embodiments, for this child safety seat, when the seat body 2 is moved from the first position to the second position via the above - mentioned actuating structure, a smooth first movement trajectory is formed, and the seat body 2 can continuously rotate relative to the base 1 along this first movement trajectory; when the seat body 2 is moved from the first position to the third position via the above - mentioned actuating structure, a smooth second movement trajectory is formed, and the seat body 2 can also continuously rotate relative to the base 1 along this second movement trajectory. The above - mentioned first movement trajectory and the second movement trajectory are cross - arranged, and the seat body 2 is always located in the same plane when moving along this first movement trajectory and along this second movement trajectory. As an optional way, the above - mentioned first movement trajectory and the second movement trajectory are located in the same horizontal plane.

[0113] Figures 7 to 15In the illustrated embodiment, the actuating structure includes a first shaft 4 and a second shaft 5. The first shaft 4 and the second shaft 5 are provided on the seat body 2, specifically on the load-bearing member 20 of the seat body 2. When the seat body 2 moves along the first movement trajectory W1, the axial direction of the first shaft 4 is fixed and it rotates circumferentially relative to the base 1 or the seat body 2. The seat body 2 moves along the first movement trajectory W1, as Figure 14 shown; when the seat body 2 moves along the second movement trajectory W2, the axial direction of the second shaft 5 is fixed and it rotates circumferentially relative to the base 1 or the seat body 2. The seat body 2 moves along the second movement trajectory W2, as Figure 15 shown. Specifically, the base 1 has a first central axis M1 extending longitudinally. When the seat body 2 is in the first position, the central axes of the first shaft 4 and the second shaft 5 are symmetrically distributed on both sides of the first central axis M1 of the base 1 and close to the front end of the base 1.

[0114] Figures 7 to 15 In the illustrated embodiment, the actuating structure further includes two first grooves 31, 32 respectively disposed opposite to the first shaft 4 and the second shaft 5. The first grooves 31, 32 are provided on the base 1 and extend in an arc-shaped cross manner for the first shaft 4 or the second shaft 5 to drive the seat body 2 to move in the first groove 31 or 32, and the centers of the first grooves 31, 32 deviate from the above-mentioned first central axis M1 of the base 1. Here, the first grooves 31, 32 are provided on the support member 3. The first movement trajectory W1 coincides or partially coincides with the first groove 31, and the starting point and the ending point of the first movement trajectory W1 are respectively the two ends of the first groove 31; the second movement trajectory W2 coincides or partially coincides with the first groove 32, and the starting point and the ending point of the second movement trajectory W2 are respectively the two ends of the first groove 32. The support member 3 is disc-shaped and can rotate on the base 1 around the center line extending in the up-down direction so that the whole support member 3 rotates 180° or 360° to enable the seat body 2 to switch between the forward positive direction and the backward reverse direction. The centers of the above-mentioned first grooves 31, 32 also deviate from the center of the support member 3.

[0115] As Figure 14 shown, when the seat body 2 moves from the first position to the second position, the axial direction of the first shaft 4 is fixed, and the second shaft 5 drives the seat body 2 to move in the first groove 31, so that the seat body 2 rotates continuously around the central axis of the first shaft 4 to reach the second position; as Figure 15 shown, when the seat body 2 moves from the first position to the third position, the axial direction of the second shaft 5 is fixed, and the first shaft 4 drives the seat body 2 to move in the second groove 201, so that the seat body 2 rotates continuously around the second shaft 5 to reach the third position.

[0116] See Figure 13 , Figure 14 , Figure 15As shown, when the seat body 2 is in the first position, it has a first axis extending in the vertical direction, and its projection on the top view is P1. This first axis intersects perpendicularly with the first central axis M1 of the base 1. The seat body 2 has a second central axis M2 extending longitudinally, and this second central axis M2 coincides with the first central axis M1 of the base 1, and the projection P1 falls on the second central axis M2 of the seat body 2.

[0117] When the seat body 2 is in the second position or the third position, the second central axis M2 of the seat body 2 rotates by a certain angle. Specifically here, it rotates until it is perpendicular to the first central axis M1 of the base 1. The seat body 2 has a second axis extending in the vertical direction, and its projection on the top view is P2. Along the second direction, the distance between the above-mentioned first axis and the second axis, that is, the distance L between P1 and P2, L > 0. For example, 50mm < L < 250mm.

[0118] In other embodiments, the first shaft 4 and the second shaft 5 can also be provided on the base 1, while the two first grooves 31, 32 are provided on the seat body 2.

[0119] See Figures 16 to 23 Another embodiment of the safety seat is provided. In this embodiment, the actuating structure further includes two second grooves 201 respectively disposed opposite to the first shaft 4 and the second shaft 5. The first shaft 4 and the second shaft 5 are axially telescopically disposed on one of the seat body 2 and the base 1, and the second grooves 201 are disposed on the other of the base 1 and the seat body 2 for the first shaft 4 and the second shaft 5 to be inserted into or disengaged from the second grooves 201. Among them, the first shaft 4 and the second shaft 5 can specifically be set to axially slide to achieve axial telescoping relative to the seat body 2 or the base 1, or to shorten the length along their own axes to achieve axial telescoping relative to the seat body 2 or the base 1. Here, the first shaft 4 and the second shaft 5 are disposed on the carrier 20 of the base 1; the two second grooves 201 are disposed on the seat body 2, specifically on the carrier 20 of the seat body 2. During the process of the seat body 2 transitioning from the first position to the second position, as Figure 17 shown, the second shaft 5 disengages from the second groove 201, causing the seat body 2 to rotate relative to the base 1 around the first shaft 4, and thus reach the second position along the first movement trajectory; during the process of the seat body 2 transitioning from the first position to the third position, as Figure 18 shown, the first shaft 4 disengages from the second groove 201, causing the seat body 2 to rotate relative to the base 1 around the second shaft 5, and thus reach the third position along the second movement trajectory.

[0120] In some embodiments, when the seat body 2 moves from the first position to the second position, a first guiding track is formed. When the seat body 2 moves from the first position to the third position, a second guiding track is formed. Since the third position is symmetrically arranged with respect to the second position, the first guiding track and the second guiding track are symmetrically arranged, ensuring that the seat body 2 can move smoothly and stably to the second position or the third position. Optionally, the first guiding track and the second guiding track are symmetrically arranged with respect to the first central axis M1 of the base 1, so that the outer position states of the seat body 2 at the second position and the third position are symmetric with respect to the first central axis M1 of the base 1.

[0121] Based on the above-mentioned first movement track W1 and second movement track W2, in order to enable the seat body 2 to move smoothly between the first position and the second position or the first position and the third position, both the first guiding track and the second guiding track are smooth arcs, and the first guiding track and the second guiding track are cross-arranged. Optionally, the first guiding track coincides with the second movement track W2, and the second guiding track coincides with the first movement track W1. That is, when the first shaft 4 slides in one of the first grooves 31 to form the first movement track, the track of the second shaft 5 sliding in the other first groove 32 is the first guiding track. When the second shaft 5 slides in the other first groove 32 to form the second movement track, the track of the first shaft 4 sliding in one of the first grooves 31 is the second guiding track. The cooperation between the first shaft 4 and the first groove 32 and the cooperation between the second shaft 5 and the first groove 32 respectively have two functions, simplifying the connection structure between the seat body 2 and the base 1.

[0122] The safety seat further includes a locking structure 6 and an unlocking structure 7. The locking structure 6 is provided on one of the seat body 2 and the base 1 and is used to selectively lock the first shaft 4 and / or the second shaft 5. The unlocking structure 7 is connected to the locking structure 6 and is used to release the locking structure 6.

[0123] See Figures 7 to 15 In the illustrated embodiment, the locking structure 6 includes a locking member that can lock the first shaft 4 and / or the second shaft 5. The locking member is rotatably provided on the base 1. The unlocking structure 7 includes an unlocking member. The unlocking member is connected to the locking member through a traction member. When the unlocking member is unlocked, the locking member is driven to rotate relative to the base 1 through the traction member to be unlocked.

[0124] The safety seat further includes a limiting structure provided between the locking member and the traction member. The limiting structure includes a connecting portion and a protruding portion. The connecting portion connects the locking member and the traction member, and a fifth groove is provided on the connecting portion. The protruding portion is slidably provided in the fifth groove. When the unlocking member is unlocked, the unlocking member drives the fifth groove to slide relative to the protruding portion through the traction member, thereby limiting the moving distance of the locking member and defining the rotation track of the locking member when the locking member rotates relative to the base 1. An elastic member for resetting can be provided between the base 1 and the unlocking structure 7.

[0125] Specifically in this embodiment, the locking structure 6 includes two locking members, namely a first locking member 61 and a second locking member 62. The first locking member 61 is configured to lock the first shaft 4, and the second locking member 62 is configured to lock the second shaft 5. The first locking member 61 is rotatably arranged on the base 1 around the first rotating shaft 63, and the second locking member 62 is rotatably arranged on the base 1 around the second rotating shaft 65. The unlocking structure 7 includes two unlocking members, namely a first unlocking button 73 and a second unlocking button 74. One end of the first spring 67 and the second spring 68 is connected to the base 1, and the other end is respectively connected to the first unlocking button 73 and the second unlocking button 74 via the linkage structure of the unlocking structure 7. The first unlocking button 73 is connected to the second locking member 62 via the first traction member 71 and can drive the second locking member 62 to rotate and unlock relative to the base 1; the second unlocking button 74 is connected to the first locking member 61 via the second traction member 72 and can drive the first locking member 61 to rotate and unlock relative to the base 1.

[0126] More specifically, referring to Figure 12 As shown, the first locking member 61 includes a first locking portion 611 and a first connecting portion 612. The first locking portion 611 can be the free end of the first locking member 61. The first locking portion 611 is used to hook the first shaft 4 to fix it relative to the base 1. The first connecting portion 612 is used to connect with the second traction member 72. The first locking portion 611 and the first connecting portion 612 are arranged on opposite sides of the first rotating shaft 63. A fifth groove, specifically a first guide groove 613, is also provided on the first connecting portion 612. The first guide groove 613 is an arc-shaped groove centered on the axis of the first rotating shaft 63. A first protrusion, specifically a first guide post 64, is also provided on the base 1. The first guide post 64 is slidably inserted into the first guide groove 613, and the two cooperate with each other to provide guidance for the first locking member 61 to rotate around the first rotating shaft 63.

[0127] Similarly, the second locking member 62 includes a first locking portion 621 and a second connecting portion 622. The first locking portion 621 can be the free end of the first locking portion of the second locking member 62. The second locking portion 621 is used to hook the second shaft 5 to fix it relative to the base 1. The second connecting portion 622 is used to connect with the first traction member 71. The second locking portion 621 and the second connecting portion 622 are arranged on opposite sides of the second rotating shaft 65. A second guide groove 623 is also provided on the second connecting portion 622. The second guide groove 623 is an arc-shaped groove centered on the axis of the second rotating shaft 65. A second guide post 66 is also provided on the base 1. The second guide post 66 is inserted into the second guide groove 623, and the two cooperate with each other to provide guidance for the second locking member 62 to rotate around the second rotating shaft 65.

[0128] When the first unlocking button 73 is operated, the second traction member 72 pulls the second connecting portion 622, causing the second locking member 62 to rotate around the second rotating shaft 65 in the third direction (clockwise in this embodiment). The second spring 68 is stretched, and the second locking portion 621 moves away from the second shaft 5 to release the hooking of the second shaft 5. Subsequently, the seat body 2 is driven to rotate, and the second shaft 5 can move in the first groove 32, causing the seat body 2 to rotate around the first shaft 4 and move relative to the base 1 along the first movement trajectory, so that the seat body 2 is switched from the first position to the second position. During this process, the second locking member 62 is switched from the state of locking the second shaft 5 to the state of unlocking the second shaft 5. When the seat body 2 is switched from the second position to the first position, the second traction member 72 pulls the second connecting portion 622, causing the second locking member 62 to rotate around the second rotating shaft 65 in the opposite direction. The second spring 68 is reset, and the first locking portion 621 hooks the second shaft 5. During this process, the second locking member 62 is switched from the state of unlocking the second shaft 5 to the state of locking the second shaft 5, and the first locking member 61 always locks or unlocks the first shaft 4.

[0129] When the second unlocking button 74 is operated, the first traction member 71 pulls the first connecting portion 612, causing the first locking member 61 to rotate around the first rotating shaft 63. The first spring 67 is stretched, and the first locking portion 611 moves away from the first shaft 4 to release the locking of the first shaft 4. Subsequently, the seat body 2 is driven to rotate, and the first shaft 4 can move in the first groove 31, causing the seat body 2 to rotate around the second shaft 5 and move relative to the base 1 along the second movement trajectory, so that the seat body 2 is switched from the first position to the third position. During this process, the first locking member 61 is switched from the state of locking the first shaft 4 to the state of unlocking the first shaft 4. When the seat body 2 is switched from the third position to the first position, the first traction member 71 pulls the first connecting portion 612, causing the first locking member 61 to rotate around the first rotating shaft 63 in the opposite direction. The first spring 67 is reset, and the first locking portion 621 hooks the second shaft 5. During this process, the first locking member 61 is switched from the state of unlocking the first shaft 4 to the state of locking the first shaft 4, and the second locking member 62 always locks or unlocks the second shaft 5.

[0130] In Figures 16 to 23 the embodiment shown, the setting manner of the locking structure 6 is different from that in Figures 7 to 15 the embodiment shown. Specifically, in the locking structure 6, the first locking member 61 and the second locking member 62 cooperate with the cooperation structure and the elastic member 8, so that the first shaft 4 and the second shaft 5 extend axially toward the bearing member 20, and the first shaft 4 and the second shaft 5 are inserted into the corresponding second grooves 201.

[0131] A mating structure is provided between the first locking member 61 and the first shaft 4 so that after the first locking member 61 is driven to rotate, it can drive the first shaft 4 to retract away from the carrier 20. This mating structure can be a wedge surface structure provided between the two. For example, Figure 22 As shown, the first shaft 4 is provided with a first inclined surface 41, and a second inclined surface 61a is provided below the first locking member 61. The first locking member 61 has a second locking portion 61b. The second locking portion 61b can be the free end of the first locking member 61 or a part of the closed loop of the first locking member 61 and corresponds to the starting end of the second inclined surface 61a (as Figure 22 shown). When the first locking member 61 is in the locked position, the area where the second inclined surface 61a acts on the first inclined surface 41 is small, so that the horizontal height of the first inclined surface 41 relative to the second inclined surface 61a is high, and the first shaft 4 is inserted into the corresponding second groove 201. When the first locking member 61 rotates around the first shaft 4, the area where the second inclined surface 61a acts on the first inclined surface 41 gradually becomes larger, forcing the first shaft 4 to slide downward or shorten, and the second locking portion 61b moves toward the first shaft 4, so that the first shaft 4 disengages from the corresponding second groove 201 to achieve unlocking. Similarly, a mating structure is also provided between the second locking member 62 and the second shaft 5 respectively, so that after the second locking member 62 is driven to rotate, it can drive the second shaft 5 to slide or shorten away from the carrier 20, so that the second shaft 5 disengages from the corresponding second groove 201 to achieve unlocking.

[0132] In this way, when operating the first unlocking button 73 to unlock, the second traction member 72 pulls the second locking member 62 to rotate around the second shaft 5. The second locking member 62 rotates in the fourth direction opposite to the third direction (counterclockwise in this embodiment). The second inclined surface 61a pushes the first inclined surface 41 to move downward. Then, the second shaft 5 slides or expands and contracts axially, and the free end of the second locking member 62 moves toward the second shaft 5, so that the second shaft 5 disengages from the second groove 201 on the carrier 20 to achieve unlocking. Subsequently, the seat body 2 is driven to rotate. The seat body 2 rotates around the first shaft 4 and moves relative to the base 1 along the first movement track, so that the seat body 2 is switched from the first position to the second position.

[0133] When operating the second unlocking button 74 to unlock, the first traction member 71 pulls the first locking member 61 to rotate around the first shaft 4. The second inclined surface 61a pushes the first inclined surface 41 to move downward. Then, the first shaft 4 slides or expands and contracts axially, and the free end of the first locking member 61 moves toward the first shaft 4, so that the first shaft 4 disengages from the second groove 201 on the carrier 20 to achieve unlocking. Subsequently, the seat body 2 is driven to rotate. The seat body 2 rotates around the second shaft 5 and moves relative to the base 1 along the second movement track, so that the seat body 2 is switched from the first position to the third position.

[0134] In other embodiments,Figure 24 and Figure 25 is a schematic view of the seat body 2 in the first position, Figure 26 and Figure 27 is a schematic view of the seat body 2 in the second or third position. As shown in Figures 24 to 27 , the first movement trajectory and the second movement trajectory are not arranged to cross each other, and the seat body 2 is always located in the same plane when moving along the first movement trajectory and along the second movement trajectory. As an optional way, the above first movement trajectory and the second movement trajectory are located in the same horizontal plane.

[0135] The base 1 has a base axis a, the seat body 2 has a second central axis M2 extending along the longitudinal direction of the seat body 2 and an axis b perpendicular to and intersecting the second central axis M2, the axis b is parallel to the base axis a. When the seat body 2 is in the first position, the axis b coincides with the base axis a. When the seat body 2 is in the second or third position, the base axis a intersects the second central axis M2, and the distance L between the base axis a and the axis b is L>0, for example, 50mm < L < 250mm. When the seat body 2 is in the second or third position, the seat body 2 does not generate displacement in the front-back direction and extends a distance of L in the left or right direction. When the user places a child on the seat body 2 or takes the child off the seat body 2, there is no need to bend down or stretch the body into the vehicle for operation, which is more convenient to use.

[0136] The actuating structure includes a first shaft 4 and a second shaft 5 provided on one of the seat body 2 and the base 1, and the other of the seat body 2 and the base 1 is provided with a third groove 43 and a fourth groove 44 corresponding to the first shaft 4 and the second shaft 5. Both the third groove 43 and the fourth groove 44 are linear grooves. When the seat body 2 moves along the first movement trajectory, the seat body 2 is axially fixed and rotates relative to the base 1, the first shaft 4 slides into the third groove 43, and the second shaft 5 slides out of the fourth groove 44, forming the first movement trajectory, without affecting the rotation of the seat body 2 relative to the base 1, so that the seat body 2 provided can move from the first position to the second position. When the seat body 2 moves along the second movement trajectory, the seat body 2 is axially fixed and rotates relative to the base 1, the second shaft 5 slides into the fourth groove 44, and the first shaft 4 slides out of the third groove 43, forming the second movement trajectory, without affecting the rotation of the seat body 2 relative to the base 1, so that the seat body 2 provided can move from the first position to the third position. Optionally, the third groove 43 and the fourth groove 44 are provided on the seat body 2, and the first shaft 4 and the second shaft 5 are provided on the base 1. The seat body 2 is rotatably connected to the base 1, and the first shaft 4 and the second shaft 5 can rotate along their respective axes, ensuring that the seat body 2 can rotate smoothly.

[0137] As shown in Figure 28 and Figure 29As shown, one end of the third groove 43 penetrates through the edge of the seat body 2 or the base 1 so that the first shaft 4 can slide out of the third groove 43, and one end of the fourth groove 44 penetrates through the edge of the seat body 2 or the base 1 so that the second shaft 5 can slide out of the fourth groove 44, and the matching structure is simple. When the seat body 2 is in the first position, the third groove 43 and the fourth groove 44 are symmetrically arranged with respect to the first central axis M1 of the base 1. The third groove 43 and the fourth groove 44 are located at the rear end of the seat body 2 or the base 1, and the third groove 43 and the fourth groove 44 are respectively inclined from the edge of the seat body 2 or the base 1 towards the first central axis M1 of the base 1. In some other embodiments, the third groove 43 and the fourth groove 44 can also be arranged at the front end of the seat body 2 or the base 1, and are symmetrically arranged with the third groove 43 and the fourth groove 44 located at the rear end respectively.

[0138] Figure 30 and Figure 31 is a state diagram of the intermediate position when the seat body 2 rotates from the first position to the second position or the third position. As Figures 29 to 31 shown, one of the seat body 2 and the base 1 is provided with a sliding shaft 54, and the other of the seat body 2 and the base 1 is provided with a sliding groove 55. The sliding shaft 54 is slidably arranged in the sliding groove 55. When the seat body 2 moves from the first position to the second position, one end of the sliding groove 55 is used to limit the rotation angle of the seat body 2. When the seat body 2 moves from the first position to the third position, the other end of the sliding groove 55 is used to limit the rotation angle of the seat body 2, so as to prevent the seat body 2 from over-rotating. Optionally, the sliding groove 55 is a semi-circular groove. When the seat body 2 is in the first position, the sliding groove 55 is symmetrically arranged with respect to the first central axis M1 of the base 1, and the sliding shaft 54 is located in the middle of the sliding groove 55. When the seat body 2 is in the second position, the sliding shaft 54 is located at one end of the sliding groove 55. When the seat body 2 is in the third position, the sliding shaft 54 is located at the other end of the sliding groove 55. When the seat body 2 is in the second position or the third position, the sliding groove 55 limits the seat body 2 to only rotate 90°, which can meet the user's needs and facilitate the user to pick up and place the child from the safety seat.

[0139] When the seat body 2 moves from the first position to the second position, a first guiding track is formed. When the seat body 2 moves from the first position to the third position, a second guiding track is formed. The first guiding track and the second guiding track are symmetrically arranged. Since the third position and the second position are symmetrically arranged, the first guiding track and the second guiding track are symmetrically arranged to ensure that the seat body 2 can move smoothly and stably to the second position or the third position. Optionally, the first guiding track and the second guiding track are symmetrically arranged with respect to the first central axis M1 of the base 1, so that the outer position states of the seat body 2 at the second position and the third position are symmetric with respect to the first central axis M1 of the base 1.

[0140] Both the first guiding track and the second guiding track are straight lines, and the first guiding track is connected to the second guiding track. Both the first guiding track and the second guiding track are independent movement tracks, that is, the first guiding track does not cross the first moving track, and the second guiding track does not cross the second moving track. Optionally, a guiding slider 53 is provided on one of the seat body 2 and the base 1 and is circumferentially rotatably connected to the guiding slider 53, and a guiding groove 52 is provided on the other. When the seat body 2 moves along the first moving track, the guiding slider 53 slides in the guiding groove 52 to form the first guiding track, and the seat body 2 rotates circumferentially relative to the base 1. When the seat body 2 moves along the second moving track, the guiding slider 53 slides in the guiding groove 52 to form the second guiding track, and the seat body 2 rotates circumferentially relative to the base 1. The guiding groove 52 extends in the left-right direction and is symmetrically arranged relative to the first central axis M1 of the base 1. When the seat body 2 is in the first position, the guiding slider 53 is placed at the middle position of the guiding groove 52. When the seat body 2 moves from the first position to the second position, the guiding slider 53 slides towards one end of the guiding groove 52. When the seat body 2 moves from the first position to the third position, the guiding slider 53 slides towards the other end of the guiding groove 52.

[0141] Optionally, a guiding slider 53 is provided on the seat body 2, a guiding groove 52 is provided on the base 1, and the seat body 2 is circumferentially rotatably connected to the guiding slider 53. A support member 3 is provided on the base 1, and the guiding groove 52 is arranged on the support member 3. The guiding slider 53 has an I-shaped structure. The two ends of the guiding slider 53 are slidably connected to the guiding groove 52, and the middle part of the guiding slider 53 is circumferentially rotatably connected to the seat body 2.

[0142] The support member 3 is disc-shaped and can rotate on the base 1 around the base axis a extending in the up-down direction, so that the whole support member 3 rotates 180° or 360° to enable the seat body 2 to switch between the forward positive direction and the backward reverse direction. The centers of the above-mentioned third groove 43 and fourth groove 44 also deviate from the center of the support member 3.

[0143] Figure 32 It is a state diagram when the seat body 2 is in the first position. Figure 33 It is a process state diagram when the seat body 2 moves from the first position to the second position. Figure 34 It is a state diagram when the seat body 2 is in the second position. Figure 35 It is a process state diagram when the seat body 2 moves from the first position to the third position. Figure 36 It is a state diagram when the seat body 2 is in the third position. In other embodiments, such as Figures 32 to 36As shown, the first movement trajectory and the second movement trajectory are arranged without intersection, and the seat body 2 always lies in the same plane when moving along the first movement trajectory and along the second movement trajectory. As an alternative, the first movement trajectory and the second movement trajectory are in the same horizontal plane.

[0144] Combined with Figure 36 and Figure 37 As shown, the base 1 has a base axis a, the seat body 2 has a second central axis M2 extending longitudinally along the seat body 2 and an axis b perpendicular to and intersecting the second central axis M2, the axis b is parallel to the base axis a. When the seat body 2 is in the first position, the axis b coincides with the base axis a. When the seat body 2 is in the second position, the base axis a intersects the second central axis M2, and the distance L between the base axis a and the axis b is L>0, for example, 50mm < L < 250mm. When the seat body 2 is placed in the second position or the third position, the seat body 2 does not displace in the front-back direction and extends a distance of L in the left or right direction. When the user places a child on the seat body 2 or takes the child off the seat body 2, there is no need to bend down or reach into the vehicle, making it more convenient to use.

[0145] The actuating structure includes a first shaft 4 and a second shaft 5 provided on one of the seat body 2 and the base 1. When the seat body 2 moves along the first movement trajectory, the axial direction of the first shaft 4 is fixed and it rotates circumferentially relative to the seat body 2 or the base 1, and the seat body 2 moves along the first movement trajectory. When the seat body 2 moves along the second movement trajectory, the axial direction of the second shaft 5 is fixed and it rotates circumferentially relative to the seat body 2 or the base 1, and the seat body 2 moves along the second movement trajectory. The first shaft 4 and the second shaft 5 are provided on the seat body 2, and are specifically arranged on the carrier 20 of the seat body 2. The base 1 has a first central axis M1 extending longitudinally. When the seat body 2 is in the first position, the axis lines of the first shaft 4 and the second shaft 5 at the first position are symmetrically distributed on both sides of the first central axis M1 of the base 1 and close to the front end of the base 1.

[0146] The actuating structure further includes two first grooves 31 and 32 which are respectively arranged opposite to the first shaft 4 and the second shaft 5. The first grooves 31 and 32 are arranged on the other one of the seat body 2 and the base 1 and extend along an arc, and the two first grooves 31 and 32 are not arranged in a crossed manner, so that the first shaft 4 or the second shaft 5 drives the seat body 2 to move in the first grooves 31 and 32, and the centers of the first grooves 31 and 32 deviate from the first central axis M1 of the base 1. Here, a support member 3 is arranged on the base 1, the first grooves 31 and 32 are arranged on the support member 3, the first movement track coincides or partially coincides with the first groove 31, and the starting point and the ending point of the first movement track are respectively the two ends of the first groove 31; the second movement track coincides or partially coincides with the first groove 32, and the starting point and the ending point of the second movement track are respectively the two ends of the first groove 32. The support member 3 is disc-shaped, and the support member 3 can rotate on the base 1 around the base axis a extending in the up-down direction, so that the whole support member 3 rotates 180° or 360° to enable the seat body 2 to switch between the forward positive direction and the backward reverse direction. The centers of the above-mentioned first grooves 31 and 32 also deviate from the center of the support member 3.

[0147] In other embodiments, the first shaft 4 and the second shaft 5 can also be arranged on the base 1, and the two first grooves 31 and 32 can be arranged on the seat body 2.

[0148] A first avoidance groove 45 and a second avoidance groove 46 are arranged on the other one of the seat body 2 and the base 1. When the seat body 2 moves along the first movement track, the second avoidance groove 46 is used for avoidance. When the seat body 2 moves along the second movement track, the first avoidance groove 45 is used for avoidance. Specifically, the first avoidance groove 45 is used for avoiding the second shaft 5, and the second avoidance groove 46 is used for avoiding the first shaft 4. And the shape of the first avoidance groove 45 is set according to the second movement track, and the shape of the second avoidance groove 46 is set according to the first movement track.

[0149] One end of the first avoidance groove 45 is connected to the first movement track, that is, the first avoidance groove 45 is communicated with the first groove 31 forming the first movement track. One end of the second avoidance groove 46 is connected to the second movement track, that is, the second avoidance groove 46 is communicated with the first groove 32 forming the second movement track. The first avoidance groove 45 and the second avoidance groove 46 are arranged in a crossed manner. The other end of the second avoidance groove 46 is used for limiting the rotation angle when the seat body 2 moves from the first position to the second position, and the other end of the first avoidance groove 45 is used for limiting the rotation angle when the seat body 2 moves from the first position to the third position. The seat body 2 rotates 90° when moving from the first position to the second position or the third position.

[0150] Such as Figures 36 to 39As shown, when the seat body 2 moves from the first position to the second position, a first guiding trajectory is formed. When the seat body 2 moves from the first position to the third position, a second guiding trajectory is formed. The first guiding trajectory and the second guiding trajectory are symmetrically arranged. Since the third position and the second position are symmetrically arranged, the first guiding trajectory and the second guiding trajectory are symmetrically arranged to ensure that the seat body 2 can move smoothly and stably to the second position or the third position. Optionally, the first guiding trajectory and the second guiding trajectory are symmetrically arranged with respect to the first central axis of the base 1, so that the position states of the seat body 2 at the second position and the third position are symmetric with respect to the first central axis of the base 1.

[0151] Both the first guiding trajectory and the second guiding trajectory are straight lines, and the first guiding trajectory and the second guiding trajectory are connected. Both the first guiding trajectory and the second guiding trajectory are independent movement trajectories, that is, the first guiding trajectory does not cross the first movement trajectory, and the second guiding trajectory does not cross the second movement trajectory. Optionally, a guiding shaft 51 is provided on one of the seat body 2 and the base 1. When the seat body 2 moves along the first movement trajectory, the axial direction of the guiding shaft 51 is fixed and it rotates circumferentially relative to the seat body 2 or the base 1 to form the first guiding trajectory. When the seat body 2 moves along the second movement trajectory, the axial direction of the guiding shaft 51 is fixed and it rotates circumferentially relative to the seat body 2 or the base 1 to form the second guiding trajectory.

[0152] On the other one of the seat body 2 and the base 1, a first guiding groove and a second guiding groove are provided. The first guiding groove communicates with the second guiding groove to form a guiding groove 52, and the guiding shaft 51 can slide in the first guiding groove and the second guiding groove. When the seat body 2 is in the first position, the first guiding groove and the second guiding groove are symmetrically arranged with respect to the first central axis M1 of the base 1, that is, the first guiding groove and the second guiding groove extend in the left-right direction. The first guiding groove, the second guiding groove, the first avoiding groove 45 and the second avoiding groove 46 intersect at a point, and this intersection point is preferably arranged at the central position of the base 1, that is, the base axis a of the base 1 coincides with this intersection point. Optionally, two first grooves 31, 32 are arranged on the side of the guiding groove 52 close to the front, and the first avoiding groove 45 and the second avoiding groove 46 extend towards the rear of the guiding groove 52. When the seat body 2 moves from the first position to the second position, the first shaft 4 slides in one of the first grooves 31, the second shaft 5 slides in the second avoiding groove 46, the seat body 2 forms a first moving track, the guiding shaft 51 slides in the first guiding groove, the guiding shaft 51 abuts against the end of the first guiding groove, the first guiding groove defines the extending length of the seat body 2, and the second avoiding groove 46 defines the rotation angle of the seat body 2. When the seat body 2 moves from the first position to the third position, the second shaft 5 slides in the other first groove 32, the first shaft 4 slides in the first avoiding groove 45, the seat body 2 forms a second moving track, the guiding shaft 51 slides in the second guiding groove, the guiding shaft 51 abuts against the end of the first guiding groove, the second guiding groove defines the extending length of the seat body 2, and the first avoiding groove 45 defines the rotation angle of the seat body 2.

[0153] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly, and cannot be used to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A safety seat, characterized in that, The safety seat includes: A base; A seat body having a first position and a second position relative to the base; and An actuating structure disposed between the base and the seat body, and the seat body moves relative to the base via the actuating structure; When the seat body is in the first position, the orientation of the seat body is the first direction; when the seat body moves to the second position via the actuating structure, the axis of the seat body deviates from the axis when the seat body is in the first position, and the orientation of the seat body is a second direction different from the first direction.

2. The safety seat according to claim 1, characterized in that, When the seat body moves from the first position to the second position, a smooth first movement trajectory is formed, and the seat body rotates continuously relative to the base when moving along the first movement trajectory.

3. The safety seat according to claim 2, wherein The seat body further has a third position symmetrically arranged with the second position. When the seat body moves from the first position to the third position via the actuating structure, a smooth second movement trajectory is formed, and the orientation of the seat body when it is in the second position is opposite to the orientation of the seat body when it is in the third position.

4. The safety seat according to claim 3, characterized in that, The first movement trajectory and the second movement trajectory are smooth arcs, the first direction is forward or backward, and the second direction is left lateral or right lateral.

5. The safety seat according to claim 3, wherein The second movement trajectory intersects with the first movement trajectory, and the seat body is always located in the same plane when moving along the first movement trajectory and along the second movement trajectory.

6. The safety seat according to claim 5, characterized in that, The first movement trajectory and the second movement trajectory are located in the same horizontal plane.

7. The safety seat according to claim 3, characterized in that, The first movement trajectory and the second movement trajectory do not intersect, and the seat body is always located in the same plane when moving along the first movement trajectory and along the second movement trajectory.

8. The safety seat according to claim 7, characterized in that, The base has a base axis, the seat body has a second central axis extending longitudinally along the seat body and an axis perpendicular to and intersecting the second central axis. This axis is parallel to the base axis. When the seat body is in the first position, this axis coincides with the base axis. When the seat body is in the second position, the base axis intersects the second central axis, and the distance L between the base axis and this axis > 0.

9. The safety seat according to claim 5 or 7, characterized in that, The actuating structure includes a first shaft and a second shaft disposed on one of the seat body and the base. When the seat body moves along the first movement trajectory, the axial direction of the first shaft is fixed and it rotates circumferentially relative to the seat body or the base, and the seat body moves along the first movement trajectory; when the seat body moves along the second movement trajectory, the axial direction of the second shaft is fixed and it rotates circumferentially relative to the seat body or the base, and the seat body moves along the second movement trajectory.

10. The safety seat according to claim 9, characterized in that, The center lines of the first shaft and the second shaft at the first position are symmetrically distributed on both sides of the first central axis of the base and close to the front end of the base.

11. The safety seat according to claim 9, characterized in that, The actuating structure includes: two first grooves respectively opposite to the first shaft and the second shaft. The first grooves are disposed on the other one of the seat body and the base and extend along an arc for the first shaft or the second shaft to drive the seat body to move in the first grooves, and the center of the first groove deviates from the first central axis of the base.

12. The safety seat according to claim 9, characterized in that, The actuation structure includes: two second grooves respectively disposed opposite to the first shaft and the second shaft, the first shaft and the second shaft being telescopically disposed in one of the seat body and the base, and the second groove being disposed in the other of the base and the seat body for the first shaft and the second shaft to be inserted into or disengaged from the second groove.

13. The safety seat according to claim 11 or 12, characterized in that, The child safety seat further includes: A support member is provided on the base, the seat body includes a load-bearing main body and a load-bearing member, the load-bearing member is disposed between the support member and the load-bearing main body, and the load-bearing member is used for engaging with the load-bearing main body; The first shaft and the second shaft are disposed in one of the support member and the load-bearing member, and the first groove or the second groove is disposed on the other of the support member and the load-bearing member.

14. The safety seat according to claim 7, characterized in that, A first avoidance groove and a second avoidance groove are provided on the other of the seat body and the base. When the seat body moves along the first movement trajectory, the second avoidance groove is used for avoidance. When the seat body moves along the second movement trajectory, the first avoidance groove is used for avoidance.

15. The safety seat according to claim 14, characterized in that, One end of the first avoidance groove is connected to the first movement trajectory, one end of the second avoidance groove is connected to the second movement trajectory, the first avoidance groove and the second avoidance groove are crosswise arranged, the other end of the second avoidance groove is used for limiting the rotation angle when the seat body moves from the first position to the second position, and the other end of the first avoidance groove is used for defining the rotation angle when the seat body moves from the first position to the third position.

16. The safety seat according to claim 7, characterized in that, The actuation structure includes: a first shaft and a second shaft disposed on one of the seat body and the base, and a third groove and a fourth groove corresponding to the first shaft and the second shaft are provided on the other of the seat body and the base. Both the third groove and the fourth groove are linear grooves. When the seat body moves along the first movement trajectory, the seat body is axially fixed and rotates relative to the base, the first shaft slides into the third groove, and the second shaft slides out of the fourth groove; when the seat body moves along the second movement trajectory, the seat body is axially fixed and rotates relative to the base, the second shaft slides into the fourth groove, and the first shaft slides out of the third groove.

17. The safety seat according to claim 16, characterized in that, One end of the third groove penetrates through the edge of the seat body or the base; one end of the fourth groove penetrates through the edge of the seat body or the base.

18. The safety seat according to claim 16, characterized in that, When the seat body is in the first position, the third groove and the fourth groove are symmetrically arranged with respect to the first central axis of the base, the third groove and the fourth groove are disposed at the rear end of the seat body or the base, and the third groove and the fourth groove are respectively inclined from the edge of the seat body or the base towards the first central axis of the base.

19. The safety seat according to claim 16, characterized in that, One of the seat body and the base is provided with a sliding shaft, and a sliding groove is provided on the other of the seat body and the base. The sliding shaft is slidably disposed in the sliding groove. When the seat body moves from the first position to the second position, one end of the sliding groove is used for limiting the rotation angle of the seat body. When the seat body moves from the first position to the third position, the other end of the sliding groove is used for limiting the rotation angle of the seat body.

20. The safety seat according to claim 19, characterized in that, The sliding groove is a semi-circular groove. When in the first position, the sliding groove is symmetrically arranged with respect to the first central axis of the base, and the sliding shaft is placed in the middle of the sliding groove. When the seat body is in the second position, the sliding shaft is placed at one end of the sliding groove. When the seat body is in the third position, the sliding shaft is placed at the other end of the sliding groove.

21. The safety seat according to claim 9, wherein The child safety seat further includes: a locking structure, which is provided on one of the seat body and the base and is used for selectively locking the first shaft and / or the second shaft; and an unlocking structure, which is connected to the locking structure and is used for releasing the locking structure.

22. The safety seat according to claim 21, characterized in that, The locking structure includes a locking member that can lock the first shaft and / or the second shaft. The locking member is rotatably provided on the base along a third direction or a fourth direction different from the third direction. The unlocking structure includes an unlocking member, and the unlocking member is connected to the locking member through a traction member. When the unlocking member is unlocked, the locking member is driven by the traction member to rotate relative to the base to be unlocked.

23. The safety seat according to claim 22, characterized in that, The base is provided with a first rotating shaft and a second rotating shaft. When the unlocking member is unlocked, the locking member rotates relative to the first rotating shaft or the second rotating shaft along the third direction, so that the first locking portion of the locking member moves away from the first rotating shaft or the second rotating shaft.

24. The safety seat according to claim 22, characterized in that, The first shaft and the second shaft respectively have a first inclined surface, and the locking member has a second inclined surface. When the unlocking member is unlocked, the locking member rotates relative to the first shaft or the second shaft along the fourth direction, and the second inclined surface and the first inclined surface act on each other, so that the second locking portion of the locking member moves closer to the first shaft or the second shaft.

25. The safety seat according to claim 22, characterized in that, The child safety seat further includes a limiting structure provided between the locking member and the traction member. The limiting structure includes: a connecting portion, which connects the locking member and the traction member. The connecting portion is provided with a fifth groove; and a protruding portion, which is slidably arranged in the fifth groove; When the unlocking member is unlocked, the unlocking member drives the fifth groove to slide relative to the protruding portion through the traction member.

26. The safety seat according to claim 3, characterized in that, When the seat body moves from the first position to the second position, a first guiding track is formed. When the seat body moves from the first position to the third position, a second guiding track is formed. The first guiding track and the second guiding track are symmetrically arranged.

27. The safety seat according to claim 26, characterized in that, The first guiding track and the second guiding track are symmetrically arranged with respect to the first central axis of the base.

28. The safety seat according to claim 26, wherein, Both the first guiding track and the second guiding track are smooth arcs, and the first guiding track and the second guiding track are arranged in an intersecting manner.

29. The safety seat according to claim 28, characterized in that, The first guiding track coincides with the second moving track, and the second guiding track coincides with the first moving track.

30. The safety seat according to claim 26, characterized in that, Both the first guiding track and the second guiding track are straight lines, and the first guiding track and the second guiding track are connected.

31. The safety seat according to claim 30, characterized in that, The first guiding track does not intersect with the first moving track, and the second guiding track does not intersect with the second moving track.

32. The safety seat according to claim 30, wherein, One of the seat body and the base is provided with a guide shaft. When the seat body moves along the first movement track, the axial direction of the guide shaft is fixed and it rotates circumferentially relative to the seat body or the base to form the first guide track. When the seat body moves along the second movement track, the axial direction of the guide shaft is fixed and it rotates circumferentially relative to the seat body or the base to form the second guide track.

33. The safety seat according to claim 32, characterized in that, The other of the seat body and the base is provided with a first guide groove and a second guide groove. The first guide groove communicates with the second guide groove, and the guide shaft can slide in the first guide groove and the second guide groove.

34. The safety seat according to claim 31, wherein, One of the seat body and the base is provided with a guide slider and is circumferentially rotatably connected to the guide slider, and the other is provided with a guide groove. When the seat body moves along the first movement track, the guide slider slides in the guide groove to form the first guide track, and the seat body rotates circumferentially relative to the base. When the seat body moves along the second movement track, the guide slider slides in the guide groove to form the second guide track, and the seat body rotates circumferentially relative to the base.

35. The safety seat according to claim 34, characterized in that, The seat body is provided with the guide slider, the base is provided with the guide groove, and the seat body is circumferentially rotatably connected to the guide slider.

36. A rotation method of a safety seat, characterized in that, The method includes: driving the seat body to move relative to the base along the first movement track, so that the seat body is gradually converted from the first direction to a second direction different from the first direction, and the axis of the seat body when facing the second direction deviates from the axis of the seat body when facing the first direction.

37. The rotation method according to claim 36, wherein When the seat body moves along the first movement track, it rotates continuously relative to the base, and the first movement track is a smooth arc.

38. The rotation method according to claim 36, characterized in that, The method further includes: driving the seat body to move relative to the base along the second movement track, the second movement track intersects with the first movement track, and the first movement track and the second movement track are located in the same horizontal plane.

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