Base capable of laterally sliding and child carrier

Abstract

According to the base capable of sliding laterally and the child carrier, the base body and the rotary disc are included, and the rotary deviation mechanism is arranged between the rotary disc and the base body, so that the rotary disc can be switched from the first use state to the second use state under the condition of one-time operation; when the child carrier body is connected to the base body through the rotary disc for use, a user needs to hold a child on the child carrier body or separate and disassemble the child carrier body on a vehicle rear seat, the user can switch the rotary disc to the second use state through one-time operation, and the child carrier body can be used in the second use state. By means of the structural design, a user can conveniently hold a child or disassemble the child carrier body, the situation that the body needs to stretch into the rear seat is avoided, the child carrier has the advantage of being convenient and fast to operate, and by means of the structural design scheme, the base is simple and reasonable in overall structure and convenient to use. And the thickness is small, the weight is light, and people can conveniently carry the device when going out.

Description

[Technical field]

[0001] The invention relates to a child carrier, in particular to a base capable of sliding laterally and the child carrier. [Background technology]

[0002] As people's awareness of traffic safety increases, they pay more and more attention to the protection of infants and children when they go out by car. In addition, the frequency of people taking infants and children out by car is increasing. Therefore, child safety seats have been widely popularized and used. Conventional child safety seats are connected to the rear seat of the car through a base, and then the child safety seat is clamped and locked on the base for the infant to sit safely. In order to facilitate getting off the car to pick up the infant or to separate and disassemble the child safety seat from the base, since the child safety seat and the base are installed near or near the middle of the back seat, it is inconvenient for people to directly pick up the infant or separate and disassemble the child safety seat.

[0003] To solve this problem, there are now child safety seats with a lateral shift function on the market. That is, after the user opens the rear door of the car, he first unlocks the rotating mechanism to rotate the child safety seat relative to the base toward the door, and then unlocks the lateral shift mechanism to move the child safety seat relative to the base toward the corresponding door, thereby achieving the purpose of convenience for users. Specifically, Chinese patents CN 219856889 U and CN 221418025U both disclose child car seats with a lateral shift function. The rotation and sliding of these two patents are respectively and independently realized by different functional components, and the sliding functional component is located on the rotating functional component. Such a structural design of the base has the defects of large thickness, large overall weight, and inconvenient to carry. At the same time, there is also a need for a second unlocking operation to achieve the ultimate lateral movement, which brings inconvenience to the user.

[0004] For example, a Chinese invention application text CN 117818435 A discloses a child safety seat with electric rotation and sliding functions and a method of using the same, which electrically controls the child safety seat to rotate and slide relative to the base. Compared with the solutions of the two aforementioned Chinese patents CN 219856889 U and CN 221418025U, such a design solves the problem of inconvenience caused by the need for users to perform secondary operations. However, the defects of the solution disclosed in this patent application are also very obvious, that is, its structure and transmission are complicated in the field of child carriers, and the base designed in this way also has the defects of large thickness and overall weight.

[0005] In view of the above technical problems, the present invention is proposed after research. [Summary of the invention]

[0006] The technical problem to be solved by the present invention is to provide a base and a child carrier that can slide laterally, including a base body and a turntable. A rotation offset mechanism is arranged between the turntable and the base body, so that the turntable can be switched from a first use state to a second use state in one operation. When the child carrier body is connected to the base body through the turntable for use, the user needs to hold the infant on the child carrier body, or to separate and disassemble the child carrier body on the rear seat of the vehicle, the user can switch the turntable to the second use state in one operation, so that the child carrier body slides close to or extends out of the corresponding door of the rear seat of the vehicle. Such a structural design is convenient for the user to hold the infant or disassemble the child carrier body, avoids the need to extend part of the body into the back seat, and has the characteristic of easy operation. Moreover, by adopting this structural design scheme, the overall structure of the base is simple and reasonable, with a small thickness and light weight, which is convenient for people to carry when going out.

[0007] To solve the above technical problems, the present invention provides a base that can slide laterally, including a base body 1 and a turntable 2, wherein the base body 1 is used to be installed and connected to the back seat of a vehicle, the turntable 2 is used to support a child carrier body 3 and is detachably connected to the child carrier body 3, a rotation offset mechanism 4 is provided between the turntable 2 and the base body 1, and the turntable 2 has a first use state and a second use state, in the first use state, the front and rear direction of the child carrier body 3 connected to the turntable 2 is parallel to the travel direction of the vehicle connected to the base body 1, and in the second use state, the front and rear direction of the child carrier body 3 connected to the turntable 2 is perpendicular to the travel direction of the vehicle connected to the base body 1, and the rotation offset mechanism 4 is configured so that the turntable 2 can switch from the first use state to the second use state by at least one rotational movement relative to the base body 1, and in the second use state, the child carrier body 3 connected to the turntable 2 is close to or extends out of a corresponding rear door side of the vehicle.

[0008] In the base capable of lateral sliding as described above, the rotational displacement mechanism 4 is located between the turntable 2 and the base body 1 so that the turntable 2 and the base body 1 form a two-layer connection structure, and the turntable 2 is constrained on the base body 1 and can make planar motion relative to the base body 1.

[0009] In the base capable of lateral sliding as described above, the rotational displacement mechanism 4 is configured such that the movement of the child carrier body 3 relative to the base body 1 driven by the turntable 2 switching from the first use state to the second use state is a composite movement of rotational movement and linear movement superimposed on each other.

[0010] As described above, in a base capable of lateral sliding, the rotational offset mechanism 4 includes a first guide portion 41 and a rotational guide member 42 arranged on the turntable 2, and a second guide portion 43 and a limit portion 44 arranged on the base body 1, wherein the first guide portion 41 is slidably and rotatably connected to the limit portion 44, and the rotational guide member 42 is slidably connected to the second guide portion 43.

[0011] In the base capable of lateral sliding as described above, the first guide portion 41 is a straight groove, the length direction of which is parallel to the front-to-back direction of the child carrier body 3 in the first use state, and the second guide portion 43 is an arcuate groove, which is located at the front or rear of the base body 1 and is symmetrically arranged about the axis a.

[0012] As described above, a base that can slide laterally also includes a rotation control mechanism 5 located between the turntable 2 and the base body 1, and the rotation control mechanism 5 is configured to lock the turntable 2 relative to the base body 1 in a first use state. The rotation control mechanism 5 includes a rotation locking member 51 that is elastically and telescopically arranged, a rotation locking hole 52 that is plugged into and cooperates with the rotation locking member 51, and a rotation unlocking component 53 arranged on the base body 1 for driving the rotation locking member 51 to disengage from the rotation locking hole 52.

[0013] In the base capable of lateral sliding as described above, the rotation locking hole 52 is disposed at the bottom of the second guide portion 43 , and the rotation locking member 51 is disposed on the rotation guide member 42 .

[0014] As described above, a base that can slide laterally, the rotation unlocking component 53 includes a rotation handle 531, a rotation unlocking drive member 532 and a rotation unlocking elastic member 533. The middle part of the rotation handle 531 is rotatably connected to the base body 1 and one end is exposed from the base body 1 for unlocking operation. The rotation unlocking drive member 532 is arranged at the other end of the rotation handle 531, and the rotation unlocking elastic member 533 is arranged between the rotation handle 531 and the base body 1 so that the rotation unlocking drive member 532 automatically resets after releasing the unlocking action.

[0015] In the base capable of lateral sliding as described above, the two rotating handles 531 are symmetrically arranged at the front of the base body 1 , and the facing ends of the two rotating handles 531 are connected to the rotating unlocking driving member 532 .

[0016] In the base capable of laterally sliding as described above, the rotational offset mechanism 4 is configured such that the movement of the child carrier body 3 relative to the base body 1 is a single rotational movement when the turntable 2 is switched from the first use state to the second use state, and the rotational offset mechanism 4 includes a rotational axis 45 deviated from the geometric center O of the turntable 2 for pivotally connecting the turntable 2 and the base body 1, and the rotational axis 45 is deviated from the geometric center O of the turntable 2 along the front side or the rear side, or the rotational axis 45 is deviated from the geometric center O of the turntable 2 along the left side or the right side.

[0017] The present invention further provides a child carrier, comprising a child carrier body 3 and a laterally slidable base as described above.

[0018] In the child carrier as described above, a bracket assembly 31 is movably provided on the child carrier body 3, the child carrier body 3 is detachably connected to the turntable 2 through the bracket assembly 31, and the child carrier body 3 can adjust the inclination angle relative to the turntable 2 under the guidance of the bracket assembly. The child carrier body 3 is also provided with a locking mechanism 32 for limiting the relative movement between the bracket assembly and the child carrier body 3, and an operating part 33 for unlocking the linkage locking mechanism.

[0019] As described above, a child carrier, the bracket assembly 31 includes a side connecting plate 311, a locking rod 312 for connecting to the turntable 2 is provided between the two side connecting plates 311, and a guide slide bar 313 is provided on the outer side of the two side connecting plates 311. The bottom and back sides of the child carrier body 3 are provided with a receiving groove 30 for accommodating the bracket assembly 31, and the side wall of the receiving groove 30 is provided with an adjustment slide groove 314 for slidingly cooperating with the guide slide bar 313. The locking mechanism 32 includes an adjustment lock hole 321 provided at the front end of the side connecting plate 311 and an adjustment lock pin 322 elastically and retractably provided on the child carrier body 3 for locking and cooperating with the adjustment lock hole 321. The operating part 33 includes an operating button 331 that can be movably connected relative to the child carrier body 3, and the operating button 331 is provided with an adjustment driving part 332 for driving the adjustment lock pin 322 to disengage from the adjustment lock hole 321.

[0020] In the child carrier as described above, the operating portion 33 is configured to be triggered when switching from the first use state to the second use state, and the linkage locking mechanism 32 is unlocked, so that the child carrier body 3 can adjust the tilt angle relative to the turntable 2 to be closer to or extend to the corresponding rear door side of the vehicle.

[0021] Compared with the prior art, the laterally slidable base and child carrier of the present invention have the following advantages:

[0022] 1. A rotation offset mechanism is provided between the base body and the turntable, which not only realizes that after the turntable is unlocked, the first use state can be switched to the second use state by one-time operation, but also the child carrier body connected to the turntable can be close to or extended to the corresponding rear door side of the vehicle in the second use state, so that the user can conveniently hold the baby or detach the child carrier body from the base body, which has the characteristics of convenient operation and use, and does not affect the overall thickness and weight of the base. After the function is increased, its thickness and weight are smaller than those of existing similar products, and the structure is simpler and more reasonable than that of similar products, and the cost is better controlled, thereby improving the competitiveness of the product.

[0023] 2. A bracket assembly is movably arranged on the child carrier body. In normal use, the user adjusts the inclination angle of the child carrier body relative to the base body to meet the diverse use requirements. In the second use state, the bracket assembly can be used to guide the child carrier body to be closer to or extend out from the corresponding door side of the rear seat of the vehicle, thereby further improving the convenience and comfort of use.

Brief Description of the Drawings

[0024] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein:

[0025] Figure 1 A top view of the first embodiment of the base of the present invention with the turntable in a first use state;

[0026] Figure 2 One of the top views of the first embodiment of the base of the present invention with the turntable in the second use state;

[0027] Figure 3 The second top view of the first embodiment of the base of the present invention with the turntable in the second use state;

[0028] Figure 4 A three-dimensional diagram of the first embodiment of the base of the present invention with the turntable in the second use state;

[0029] Figure 5 A top view of the first embodiment of the base of the present invention with a child carrier body connected to the turntable in a second use state;

[0030] Figure 6 This is one of the internal structure schematic diagrams of the connection between the base body and the turntable in the first embodiment of the base of the present invention;

[0031] Figure 7 This is a second schematic diagram of the internal structure of the connection between the base body and the turntable in the first embodiment of the base of the present invention;

[0032] Figure 8It is a schematic structural diagram of a base below the base body in the first embodiment of the base of the present invention;

[0033] Fig. 9 This is a schematic diagram of the connection structure of the rotation unlocking component, the turntable and the turntable stopper in the first embodiment of the base of the present invention;

[0034] Fig.10 FIG. 2 is a schematic diagram of the connection structure of the rotation unlocking assembly, the turntable and the turntable stopper in the first embodiment of the base of the present invention;

[0035] Fig.11 A schematic structural diagram of the cooperation between the rotating unlocking assembly and the turntable in the first embodiment of the base of the present invention.

[0036] Fig.12 It is a cross-sectional view of the base body and the turntable in the first embodiment of the base of the present invention;

[0037] Fig.13 It is a schematic diagram of the three-dimensional structure of the second embodiment of the base of the present invention;

[0038] Fig.14 is a cross-sectional view of a second embodiment of the base of the present invention;

[0039] Fig.15 It is one of the top views of the turntable in the second use state in the second embodiment of the base of the present invention;

[0040] Fig.16 The second top view of the turntable in the second use state in the second embodiment of the base of the present invention;

[0041] Fig.17 It is a schematic diagram of the three-dimensional structure of the third embodiment of the base of the present invention;

[0042] Fig.18 It is one of the top views of the turntable in the second use state in the third embodiment of the base of the present invention;

[0043] Fig.19 The second top view of the turntable in the second use state in the third embodiment of the base of the present invention;

[0044] Fig. 20 It is a schematic diagram of the child carrier body of the present invention when the tilt angle relative to the base body is not adjusted;

[0045] Fig.21 It is a schematic diagram of the child carrier body of the present invention completing the adjustment of the tilt angle relative to the base body;

[0046] Fig. 22 It is a schematic diagram of the exploded view of the child carrier body and the bracket assembly of the present invention. [Specific implementation method]

[0047] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0048] like Figure 1-22 As shown, the present invention provides a laterally slidable base, comprising a base body 1 and a turntable 2. The base body 1 is used to be installed and connected to the rear seat of a vehicle, and the turntable 2 is used to support a child carrier body 3 and be detachably connected to the child carrier body 3. In the present invention, the child carrier body 3 can be an infant carrier body, or a child safety seat body. A rotational offset mechanism 4 is provided between the turntable 2 and the base body 1. The rotational offset mechanism 4 is mainly a structure for connecting the turntable 2 and the base body 1 itself, so the rotational offset mechanism 4 does not affect the thickness and size of the base as a whole at all; the turntable 2 has a first use state and a second use state. In the first use state, the front-to-back direction of the child carrier body 3 connected to the turntable 2 is parallel to the travel direction of the vehicle connected to the base body 1, and in the second use state, the front-to-back direction of the child carrier body 3 connected to the turntable 2 is perpendicular to the travel direction of the vehicle connected to the base body 1. The rotational offset mechanism 4 is configured so that the turntable 2 can switch from the first use state to the second use state by at least one rotational movement relative to the base body 1, and in the second use state, the child carrier body 3 connected to the turntable 2 is close to or extends out of a corresponding rear door side of the vehicle. By setting the rotation offset mechanism, not only can the first use state be switched to the second use state by one-time operation after the turntable is unlocked, but also the child carrier body connected to the turntable in the second use state can be close to or extended out of the corresponding rear door side of the vehicle, so that the user can conveniently hold the baby or detach the child carrier body from the base body, which has the characteristics of convenient operation and use, and does not affect the overall thickness and weight of the base. After the function is increased, the thickness and weight are smaller than those of similar products, and the structure is simpler and more reasonable than that of similar products, and the cost is better controlled, thereby improving the competitiveness of the product.

[0049] like Figure 4 , 13 , 17, the rotational offset mechanism 4 is located between the turntable 2 and the base body 1 so that the turntable 2 and the base body 1 form a two-layer connection structure, and the turntable 2 is constrained on the base body 1 and can move in a plane relative to the base body 1. In the first use state, the turntable is locked relative to the base body. Figure 4 , 6 As shown in Figure 8, the base body 1 includes an upper base 11 and a lower base 12 that are connected to each other. The upper part of the turntable 2 is exposed from the upper base 11 to support and connect the child carrier body 3, and the lower part of the turntable is embedded in the upper base 11 and the lower base 12, thereby ensuring that the overall thickness of the base has a smaller size.

[0050] As the first embodiment of the present invention, it is also a preferred embodiment of the present invention. Figure 1-12 As shown, the rotational offset mechanism 4 is configured so that the turntable 2 switches from the first use state to the second use state, and the movement of the child carrier body 3 relative to the base body 1 is a composite movement of rotational motion and linear motion superimposed on each other. Therefore, in actual use, the turntable can switch from the first use state to the second use state with just one action.

[0051] Specifically, Figure 6-9 As shown, the rotational deviation mechanism 4 includes a first guide portion 41 and a rotational guide member 42 arranged on the turntable 2, and a second guide portion 43 and a limit portion 44 arranged on the base body 1. The first guide portion 41 is a straight groove, and the length direction of the straight groove is parallel to the front-to-back direction of the child carrier body 3 in the first use state. The limit portion 44 is a cylindrical member with an internal threaded hole fixedly connected to the lower base 12. The first guide portion 41 is slidably and rotatably connected to the limit portion 44, and the rotational guide member 42 is slidably connected to the second guide portion 43. The second guide portion 43 is an arc groove, as shown in FIG. Figure 8 As shown, the arc groove is located at the front of the lower base 12 of the base body 1, and the arc groove is arranged symmetrically about the axis a, and the corresponding rotating guide member 42 is arranged at the bottom side of the front of the turntable 2. In addition, the second guide portion 43 in the present invention can also be arranged at the rear of the base 12 under the base body 1, and the corresponding rotating guide member 42 is arranged at the bottom side of the rear of the turntable 2.

[0052] like Figure 2-4 As shown, when the turntable rotates relative to the base body, the turntable can be offset to the left or right accordingly, so that the child carrier body connected to the turntable can be close to or extend to the corresponding rear door side of the rear seat of the vehicle, so that the user can hold the baby or disassemble the child carrier body. In addition, it can be clearly seen from the structural design that the rotation offset mechanism is set between the turntable and the base body, and the connection space between the original turntable and the base body can be used. Therefore, it is ensured that the thickness of the base of the present invention can be much smaller than that of similar products in the prior art when the sliding function is added, and the finishing weight is also lighter than that of similar products in the prior art. Therefore, it is convenient for users to carry, store and pack before delivery, and the production cost is reduced.

[0053] like Figure 8-12 As shown, the base of the present invention also includes a rotation control mechanism 5 located between the turntable 2 and the base body 1. The rotation control mechanism 5 is configured to lock the turntable 2 relative to the base body 1 in a first use state. The rotation control mechanism 5 includes a rotation locking member 51 that is elastically and telescopically arranged, a rotation locking hole 52 that is plugged into and cooperates with the rotation locking member 51, and a rotation unlocking component 53 that is arranged on the base body 1 and is used to drive the rotation locking member 51 to disengage from the rotation locking hole 52.

[0054] In order to ensure a simple structure, the rotation locking hole 52 is set at the bottom of the second guide part 43, and the rotation locking member 51 is set on the rotation guide member 42. The rotation unlocking assembly 53 includes a rotating handle 531, a rotation unlocking driving member 532 and a rotation unlocking elastic member 533. The middle part of the rotating handle 531 is rotatably connected to the base body 1 and one end is exposed from the base body 1 for unlocking operation. The rotation unlocking driving member 532 is set at the other end of the rotating handle 531. The rotation unlocking elastic member 533 is set between the rotating handle 531 and the base body 1 so that the rotation unlocking driving member 532 automatically resets after releasing the unlocking action. When unlocking, the outer end of the rotating handle 531 is acted on, and the rotation unlocking driving member 532 will push the rotation locking member 51 out of the rotation locking hole 52, and then the turntable can be rotated.

[0055] like Figure 2 , 3 As shown, in actual use, the base of this embodiment can be installed on the left side or the right side of the rear seat of the vehicle. Therefore, in order to facilitate the user's operation, the two rotating handles 531 are symmetrically arranged on the front part of the base body 1 without distinguishing, and the opposite ends of the two rotating handles 531 are connected to the rotating unlocking driving member 532. The user can choose to install it on the left or right according to the needs, and both can be conveniently unlocked.

[0056] As a second embodiment of the present invention, Figure 13-19 As shown, the rotational deviation mechanism 4 is configured so that the rotation of the turntable 2 from the first use state to the second use state drives the movement of the child carrier body 3 relative to the base body 1 to be a single rotational movement. The rotational deviation mechanism 4 includes a rotation axis 45 that is offset from the geometric center O of the turntable 2 and is used to pivotally connect the turntable 2 and the base body 1. Figure 13-16 As scheme A of the second embodiment, the rotating shaft 45 is offset along the front side or rear side relative to the geometric center O of the turntable 2. When scheme A is in use, the turntable can selectively move to the left or right, similar to the first embodiment.

[0057] like Figure 17-19 As shown, as the second embodiment of the scheme B, the rotating shaft 45 is offset to the left or right relative to the geometric center O of the turntable 2. The scheme B will be restricted when in use, that is, when the rotating shaft 45 is offset to the left relative to the geometric center O of the turntable 2, the turntable can only be offset to the left when rotating relative to the base body. When in use, the base can only be installed on the left side of the rear seat of the vehicle. When the rotating shaft 45 is offset to the right relative to the geometric center O of the turntable 2, the turntable can only be offset to the right when rotating relative to the base body. When in use, the base can only be installed on the right side of the rear seat of the vehicle. Therefore, the scheme B requires the user to identify it.

[0058] The present invention further provides a child carrier for use with the base of the present invention, comprising a child carrier body 3 and the above-mentioned laterally slidable base.

[0059] Corresponding to the base of the present invention, no matter which scheme is used in the above embodiments, the offset distance of the corresponding rear door of the vehicle is limited. In view of the limitations of the base of the present invention, a child carrier of the present invention is provided with a movable bracket assembly 31 on the child carrier body 3, and the child carrier body 3 is detachably connected to the turntable 2 through the bracket assembly 31. The child carrier body 3 can adjust the tilt angle relative to the turntable 2 under the guidance of the bracket assembly. The child carrier body 3 is also provided with a locking mechanism 32 for limiting the relative movement of the bracket assembly and the child carrier body 3, and an operating part 33 for unlocking the linkage locking mechanism. Under normal use, the user adjusts the tilt angle of the child carrier body relative to the base body to meet the diverse use needs. Therefore, in the second use state, the child carrier body can be guided by the bracket assembly to make it closer to or extend out of the corresponding door side of the rear seat of the vehicle, further improving the convenience and comfort of use.

[0060] like Fig. 22 As shown, the bracket assembly 31 includes a side connecting plate 311, a locking rod 312 for connecting to the turntable 2 is provided between the two side connecting plates 311, and a guide slide bar 313 is provided on the outer side of the two side connecting plates 311. The bottom side and the back side of the child carrier body 3 are provided with a receiving groove 30 for accommodating the bracket assembly 31, and the side wall of the receiving groove 30 is provided with an adjustment slide groove 314 for slidingly cooperating with the guide slide bar 313. The locking mechanism 32 includes a plurality of adjustment lock holes 321, an adjustment lock pin 322 and an adjustment reset member 323 arranged at the front end of the side connecting plate 311. The adjustment reset member 323 elastically presses the adjustment lock pin 322 to keep it locked with the adjustment lock hole 321. The adjustment lock pin 322 is formed by extending the lock rod 312. The operating part 33 includes an operating button 331 that can be movably connected relative to the child carrier body 3. The operating button 331 is provided with an adjustment drive part 332 that is an oblique groove. When adjustment or unlocking is required, the operating button 331 is acted on, and the adjustment drive part 332 drives the adjustment lock pin 322 to disengage from the adjustment lock hole 321. At this time, the child carrier body 3 can be slidably adjusted relative to the bracket assembly.

[0061] In order to improve the convenience of operation, the operating part is configured to be triggered when switching from the first use state to the second use state, and the linkage locking mechanism 32 is unlocked, so that the child carrier body 3 can adjust the inclination angle relative to the turntable 2 to be closer to or extend to the corresponding rear door side of the vehicle. To achieve this function, a trigger part can be set at the corresponding position of the base body 1. When the turntable drives the child carrier body 3 to switch from the first use state to the second use state, the trigger part acts on the operating part, and the operating part linkage locking mechanism releases the locking state of the child carrier body 3 relative to the bracket assembly, so that the user can directly adjust the inclination angle of the child carrier body 3 relative to the base body.

Claims

1. A base capable of sliding laterally, characterized in that The invention comprises a base body (1) and a turntable (2), wherein the base body (1) is used for being installed and connected to the rear seat of a vehicle, the turntable (2) is used for supporting a child carrier body (3) and being detachably connected to the child carrier body (3), a rotational deviation mechanism (4) is arranged between the turntable (2) and the base body (1), the turntable (2) having a first use state and a second use state, wherein in the first use state, the front-to-back direction of the child carrier body (3) connected to the turntable (2) is parallel to the travel direction of the vehicle connected to the base body (1), and in the second use state, the front-to-back direction of the child carrier body (3) connected to the turntable (2) is perpendicular to the travel direction of the vehicle connected to the base body (1), and the rotational deviation mechanism (4) is configured so that the turntable (2) can switch from the first use state to the second use state by at least one rotational movement relative to the base body (1), and in the second use state, the child carrier body (3) connected to the turntable (2) is close to or extends out from a corresponding rear door side of the vehicle.

2. A laterally slidable base according to claim 1, characterized in that The rotational deviation mechanism (4) is located between the turntable (2) and the base body (1), so that the turntable (2) and the base body (1) form a two-layer connection structure, and the turntable (2) is constrained on the base body (1) and can perform planar movement relative to the base body (1).

3. A laterally slidable base according to claim 1, characterized in that The rotational deviation mechanism (4) is configured such that when the turntable (2) switches from the first use state to the second use state, the movement of the child carrier body (3) relative to the base body (1) is a composite movement in which rotational movement and linear movement are superimposed on each other.

4. A laterally slidable base according to claim 3, characterized in that The rotational deviation mechanism (4) comprises a first guide portion (41) and a rotational guide member (42) arranged on the turntable (2), and a second guide portion (43) and a limiting portion (44) arranged on the base body (1); the first guide portion (41) is slidably and rotatably connected to the limiting portion (44), and the rotational guide member (42) is slidably connected to the second guide portion (43).

5. A laterally slidable base according to claim 4, characterized in that The first guide portion (41) is a straight groove, the length direction of which is parallel to the front-to-back direction of the child carrier body (3) in the first use state, and the second guide portion (43) is an arcuate groove, which is located at the front or rear of the base body (1) and is arranged symmetrically about the axis (a).

6. A laterally slidable base according to claim 4, characterized in that The invention also comprises a rotation control mechanism (5) located between the turntable (2) and the base body (1), wherein the rotation control mechanism (5) is configured to lock the turntable (2) relative to the base body (1) in a first use state, and the rotation control mechanism (5) comprises a rotation locking member (51) which is elastically and telescopically arranged, a rotation locking hole (52) which is plugged into and cooperates with the rotation locking member (51), and a rotation unlocking component (53) which is arranged on the base body (1) and is used to drive the rotation locking member (51) to disengage from the rotation locking hole (52).

7. A laterally slidable base according to claim 6, characterized in that The rotation locking hole (52) is arranged at the bottom of the second guide part (43), and the rotation locking member (51) is arranged on the rotation guide member (42).

8. A laterally slidable base according to claim 6 or 7, characterized in that The rotation unlocking assembly (53) comprises a rotation handle (531), a rotation unlocking driving member (532) and a rotation unlocking elastic member (533); the middle portion of the rotation handle (531) is rotatably connected to the base body (1) and one end is exposed from the base body (1) for unlocking operation; the rotation unlocking driving member (532) is arranged at the other end of the rotation handle (531); and the rotation unlocking elastic member (533) is arranged between the rotation handle (531) and the base body (1) so that the rotation unlocking driving member (532) automatically resets after releasing the unlocking action.

9. A laterally slidable base according to claim 8, characterized in that The two rotating handles (531) are symmetrically arranged at the front of the base body (1), and the facing ends of the two rotating handles (531) are connected to the rotating unlocking driving member (532).

10. A laterally slidable base according to claim 1, characterized in that The rotational deviation mechanism (4) is configured so that the movement of the child carrier body (3) relative to the base body (1) is a single rotational movement when the turntable (2) switches from a first use state to a second use state. The rotational deviation mechanism (4) comprises a rotation axis (45) deviated from the geometric center (O) of the turntable (2) for pivotally connecting the turntable (2) and the base body (1). The rotation axis (45) is deviated from the geometric center (O) of the turntable (2) along the front side or the rear side, or the rotation axis (45) is deviated from the geometric center (O) of the turntable (2) along the left side or the right side.

11. A child carrier, characterized in that It comprises a child carrier body (3) and a laterally slidable base as described in any one of claims 1 to 10.

12. A child carrier according to claim 11, characterized in that The child carrier body (3) is movably provided with a bracket assembly (31), the child carrier body (3) is detachably connected to the turntable (2) via the bracket assembly (31), and the child carrier body (3) can adjust the inclination angle relative to the turntable (2) under the guidance of the bracket assembly. The child carrier body (3) is also provided with a locking mechanism (32) for limiting the relative movement between the bracket assembly and the child carrier body (3), and an operating part (33) for unlocking the linkage locking mechanism.

13. A child carrier according to claim 12, characterized in that The support assembly (31) comprises a side connecting plate (311), a locking rod (312) for connecting to the turntable (2) is provided between the two side connecting plates (311), a guide slide bar (313) is provided on the outer side of the two side connecting plates (311), a receiving groove (30) for receiving the support assembly (31) is provided on the bottom side and the back side of the child carrier body (3), and an adjusting slide groove (314) for slidingly cooperating with the guide slide bar (313) is provided on the side wall of the receiving groove (30), and the locking rod (312) is provided on the outer side of the two side connecting plates (311). The mechanism (32) comprises an adjustment lock hole (321) arranged at the front end of the side connecting plate (311) and an adjustment lock pin (322) elastically and retractably arranged on the child carrier body (3) for locking with the adjustment lock hole (321); the operating portion (33) comprises an operation button (331) movably connected to the child carrier body (3); and the operation button (331) is provided with an adjustment drive portion (332) for driving the adjustment lock pin (322) to disengage from the adjustment lock hole (321).

14. A child carrier according to claim 12 or 13, characterized in that The operating portion (33) is configured to be triggered when switching from the first use state to the second use state, thereby unlocking the linkage locking mechanism (32), so that the child carrier body (3) can adjust the tilt angle relative to the turntable (2) to be closer to or extend to the corresponding rear door side of the vehicle.

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