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 utility model relates to a children's carrier, in particular to a base capable of sliding laterally and the children's carrier. [Background Technology]

[0002] With increasing awareness of traffic safety, people are placing increasing emphasis on protecting infants and children while traveling in vehicles. Furthermore, the frequency with which people travel with infants and children is increasing. Consequently, child safety seats have become widely popular and widely used. Conventional child safety seats connect to the back seat of a car via a base, which then snaps onto and locks onto the base to provide a safe ride for infants. However, to facilitate access to the infant when exiting the vehicle or to detach the child safety seat from the base, the child safety seat and base are often installed near or in the middle of the back seat, making it difficult to directly access the infant or detach the child safety seat.

[0003] To solve this problem, child safety seats with lateral shift functions are now available on the market. That is, after the user opens the rear door of the car, they first unlock the rotating mechanism to rotate the child safety seat relative to the base toward the car door, and then unlock the lateral shift mechanism to move the child safety seat relative to the base toward the corresponding car door, thereby achieving the purpose of convenience for the user. Specifically, Chinese patents CN 219856889 U and CN 221418025U both disclose child car seats with lateral shift functions. The rotation and sliding of these two patents are respectively and independently achieved 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 disadvantages of being thick and heavy, making it inconvenient to carry. At the same time, a second unlocking operation is required to achieve the final lateral movement, which brings operational inconvenience to the user.

[0004] For example, a Chinese utility model application document CN 117818435 A discloses a child safety seat with electric rotation and sliding functions and a method of using the same. The method electrically controls the rotation and sliding of the child safety seat relative to the base. Compared with the solutions of the two aforementioned Chinese patents CN 219856889 U and CN 221418025U, this design solves the problem of the inconvenience of requiring users to perform secondary operations. However, the solution disclosed in this patent application also has obvious defects, namely, its structure and transmission are complicated in the field of child carriers, and the base using this design also has the defects of being thick and heavy overall.

[0005] In view of the above technical problems, the present invention is specially studied and proposed. [Utility Model Content]

[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. By arranging a rotation offset mechanism between the turntable and the base body, 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 via the turntable for use, the user needs to pick up the infant on the child carrier body, or to separate and remove the child carrier body on the rear seat of the vehicle, the user can switch the turntable to the second use state with a single 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 makes it convenient for the user to pick up the infant or remove 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 laterally slidable base, comprising 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 be detachably connected to the child carrier body 3, and a rotation offset mechanism 4 is provided between the turntable 2 and the base body 1, the turntable 2 having a first usage state and a second usage state, wherein in the first usage state, the front-to-back direction of the child carrier body 3 connected to the turntable 2 is parallel to the traveling direction of the vehicle to which the base body 1 is connected, and in the second usage state, the front-to-back direction of the child carrier body 3 connected to the turntable 2 is perpendicular to the traveling direction of the vehicle to which the base body 1 is connected, and the rotation offset mechanism 4 is configured so that the movement of the turntable 2 relative to the base body 1 includes at least one rotational movement to switch from the first usage state to the second usage state, and in the second usage state, the child carrier body 3 connected to the turntable 2 is close to or extended from a corresponding rear door side of the vehicle.

[0008] As described above, in a laterally slidable base, 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 perform planar motion relative to the base body 1.

[0009] In the laterally slidable base described above, the rotational offset 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 motion of rotational motion and linear motion superimposed on each other.

[0010] As described above, in a base that can slide laterally, the rotational offset mechanism 4 includes a first guide portion 41 and a rotational guide member 42 provided on the turntable 2, and a second guide portion 43 and a limit portion 44 provided on the base body 1. 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] As described above, in a base that can slide laterally, 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 usage 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. The rotation control mechanism 5 is configured to lock the turntable 2 relative to the base body 1 in a first usage 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 laterally sliding as described above, the rotation locking hole 52 is provided at the bottom of the second guide portion 43 , and the rotation locking member 51 is provided 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 laterally 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 laterally slidable base described above, the rotational offset mechanism 4 is configured such that the rotation of the child carrier body 3 relative to the base body 1 is a single rotational motion when the turntable 2 switches from the first usage state to the second usage state. The rotational offset mechanism 4 includes a rotational axis 45 offset from the geometric center O of the turntable 2 for pivotally connecting the turntable 2 and the base body 1. The rotational axis 45 may be offset forward or rearward relative to the geometric center O of the turntable 2, or may be offset leftward or rightward relative to the geometric center O of the turntable 2.

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

[0018] As described above, a 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. The child carrier body 3 can adjust its 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 portion 33 for unlocking the linkage locking mechanism.

[0019] When the handle 312 is in the unlock state, the handle 313 is unlocked and the handle 314 is unlocked, so that the handle 312 can be unlocked.

[0020] In the child carrier described above, 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.

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

[0022] 1. A rotational offset mechanism is provided between the base body and the turntable. This not only enables a one-time operation to switch from the first use state to the second use state after the turntable is unlocked, but also allows the child carrier body connected to the turntable to be moved closer to or extended toward the corresponding rear door of the vehicle in the second use state, making it convenient for the user to pick up the infant or detach the child carrier body from the base body. This is characterized by convenient operation and use, and does not affect the overall thickness and weight of the base. With the added functionality, its thickness and weight are both smaller than those of similar products. The structure is also simpler and more reasonable than that of similar products, and costs are better controlled, thereby improving product competitiveness.

[0023] 2. A bracket assembly is movably provided on the child carrier body. In normal use, the user can adjust the inclination angle of the child carrier body relative to the base body to meet their diverse usage needs. In a second use state, the bracket assembly can guide the child carrier body closer to or outward from the corresponding door side of the rear seat of the vehicle, 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: Figure 1 This is a top view of the first embodiment of the base of the utility model with the turntable in the first use state;

[0025] Figure 2 This is a top view of the first embodiment of the base of the utility model with the turntable in the second use state;

[0026] Figure 3 This is the second top view of the first embodiment of the base of the utility model with the turntable in the second use state;

[0027] Figure 4 This is a perspective view of the first embodiment of the base of the utility model with the turntable in the second use state;

[0028] Figure 5 A top view of the first embodiment of the base of the present invention with the child carrier body connected to the turntable in the second use state;

[0029] Figure 6 This is one of the internal structural diagrams of the connection between the base body and the turntable in the first embodiment of the base of the utility model;

[0030] 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 utility model;

[0031] Figure 8 This is a structural diagram of the base below the base body in the first embodiment of the base of the utility model;

[0032] Figure 9 This is a schematic diagram of the connection structure of the rotation unlocking component, the turntable and the turntable limiter in the first embodiment of the base of the utility model;

[0033] Figure 10 FIG2 is a second schematic diagram of the connection structure of the rotation unlocking component, the turntable and the turntable limiter in the first embodiment of the base of the utility model;

[0034] Figure 11 A schematic structural diagram of the cooperation between the rotating unlocking component and the turntable in the first embodiment of the base of the utility model.

[0035] Figure 12 This is a cross-sectional view of the base body and the turntable in the first embodiment of the base of the present invention;

[0036] Figure 13 This is a schematic perspective structural diagram of a second embodiment of the base of the utility model;

[0037] Figure 14 This is a cross-sectional view of a second embodiment of the base of the present utility model;

[0038] Figure 15 This is a top view of the second embodiment of the base of the present invention, showing the turntable in the second use state;

[0039] Figure 16 This is a second top view of the turntable in the second use state in the second embodiment of the base of the present invention;

[0040] Figure 17 This is a schematic perspective structural diagram of a third embodiment of the base of the present utility model;

[0041] Figure 18 This is a top view of the turntable in the second use state in the third embodiment of the base of the present invention;

[0042] Figure 19 This is the second top view of the turntable in the second use state in the third embodiment of the base of the present invention;

[0043] Figure 20 This 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;

[0044] Figure 21 A schematic diagram of the present invention showing the adjustment of the tilt angle of the child carrier body relative to the base body;

[0045] Figure 22 This is a schematic diagram of the exploded view of the child support vehicle body and the bracket assembly of the present invention. [Specific implementation method]

[0046] The following describes the embodiments of the present invention in detail with reference to the accompanying drawings.

[0047] 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 primarily a structure connecting the turntable 2 and the base body 1 themselves, so the rotational offset mechanism 4 does not affect the overall thickness and size of the base. The turntable 2 has a first usage state and a second usage state. In the first usage state, the front-to-back direction of the child carrier body 3 connected to the turntable 2 is parallel to the direction of travel of the vehicle to which the base body 1 is connected. In the second usage state, the front-to-back direction of the child carrier body 3 connected to the turntable 2 is perpendicular to the direction of travel of the vehicle to which the base body 1 is connected. The rotational offset mechanism 4 is configured such that the turntable 2 can switch from the first usage state to the second usage state by movement relative to the base body 1, including at least one rotational movement. In the second usage state, the child carrier body 3 connected to the turntable 2 approaches or extends toward a corresponding rear door side of the vehicle. By providing a rotational offset mechanism, not only can the first use state be switched to the second use state in one operation after the turntable is unlocked, but in the second use state, the child carrier body connected to the turntable can be moved close to or extended to the corresponding rear door side of the vehicle, making it convenient for the user to pick up the baby or detach the child carrier body from the base body. This 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 both smaller than those of existing similar products. The structure is also simpler and more reasonable than that of similar products, and the cost is better controlled, thereby improving the competitiveness of the product.

[0048] like Figure 4 、 13 As described in FIG. 17 , the rotation 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 make a planar motion 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 Figures 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.

[0049] As the first embodiment of the present invention, it is also the preferred embodiment of the present invention. Figure 1-12 As shown, the rotational offset mechanism 4 is configured such that the movement of the child carrier body 3 relative to the base body 1 caused by the turntable 2 switching from the first use state to the second use state is a composite motion 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 movement.

[0050] Specifically, if Figure 6-9 As shown, the rotational offset mechanism 4 includes a first guide portion 41 and a rotating guide member 42 provided on the turntable 2, and a second guide portion 43 and a limiting portion 44 provided on the base body 1. 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. The limiting 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 limiting portion 44, and the rotating guide member 42 is slidably connected to the second guide portion 43. The second guide portion 43 is an arc-shaped groove, as shown in FIG. Figure 8 As shown, the arcuate groove is located at the front of the lower base 12 of the base body 1 and is arranged symmetrically about the axis a. Correspondingly, the rotation guide 42 is arranged at the bottom side of the front of the turntable 2. Alternatively, the second guide portion 43 of the present invention can also be arranged at the rear of the base 12 below the base body 1, and the rotation guide 42 is correspondingly arranged at the bottom side of the rear of the turntable 2.

[0051] like Figure 2-4 As shown, when the turntable rotates relative to the base body, it can shift left or right accordingly, allowing the child carrier body connected to the turntable to move closer to or extend toward the rear door side of the vehicle's rear seat, making it easier for the user to pick up the child or remove the child carrier body. Furthermore, this structural design clearly demonstrates that the rotational shifting mechanism provided between the turntable and the base body utilizes the existing connection space between the turntable and the base body. This ensures that the base of the present invention, while adding a sliding function, can be significantly thinner than similar products in the prior art and is also lighter in weight. This makes it easier for users to carry, store, and package the child carrier, reducing production costs.

[0052] 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 usage 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.

[0053] To ensure a simple structure, a rotation locking hole 52 is located at the bottom of the second guide portion 43, and the rotation locking member 51 is mounted on the rotating guide 42. The rotation unlocking assembly 53 comprises a rotating handle 531, a rotation unlocking driver 532, and a rotation unlocking elastic member 533. The central portion of the rotating handle 531 is rotatably connected to the base body 1, with one end exposed from the base body 1 for unlocking. The rotation unlocking driver 532 is located at the other end of the rotating handle 531. The rotation unlocking elastic member 533 is positioned between the rotating handle 531 and the base body 1 to ensure that the rotation unlocking driver 532 automatically returns to its original position after the unlocking action is released. To unlock, the outer end of the rotating handle 531 is applied, and the rotation unlocking driver 532 pushes the rotation locking member 51 out of the rotation locking hole 52, allowing the turntable to rotate.

[0054] like Figure 2 、 3 As shown, the base of this embodiment can be installed on either the left or right side of the vehicle's rear seat during actual use. Therefore, to facilitate user operation without requiring differentiation, two rotating handles 531 are symmetrically arranged on the front of the base body 1. The facing ends of the two rotating handles 531 are connected to a rotating unlocking driver 532. Users can choose to install the base on the left or right side as needed, and both can be easily unlocked.

[0055] As a second embodiment of the present invention, Figure 13-19 As shown, the rotational offset mechanism 4 is configured so 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 single rotational movement. The rotational offset 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 the second embodiment, scheme A, the rotating shaft 45 is offset along the front 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.

[0056] like Figure 17-19 As shown, in Option B of the second embodiment, the rotation axis 45 is offset to the left or right relative to the geometric center O of the turntable 2. This poses limitations during use. Specifically, when the rotation axis 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, and the base can only be installed on the left side of the vehicle's rear seat during use. When the rotation axis 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, and the base can only be installed on the right side of the vehicle's rear seat during use. Therefore, Option B requires user identification.

[0057] The present invention further provides a children's carrier for use with the base of the present invention, comprising a children's carrier body 3 and the above-mentioned laterally slidable base.

[0058] With respect to the base of the present invention, regardless of the aforementioned embodiments, the offset distance relative to the corresponding rear door of the vehicle is limited. To address the limitations of the base of the present invention, the present invention provides a child carrier having a movable bracket assembly 31 disposed on a child carrier body 3. The child carrier body 3 is detachably connected to the turntable 2 via the bracket assembly 31, and the child carrier body 3 can be adjusted in its 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 relative movement between the bracket assembly and the child carrier body 3, and an operating portion 33 for unlocking the locking mechanism. During normal use, the user can adjust the tilt angle of the child carrier body relative to the base body to meet their diverse needs. In a second use state, the bracket assembly can be used to guide the child carrier body closer to or further away from the corresponding door of the vehicle's rear seat, further enhancing user convenience and comfort.

[0059] like Figure 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 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 313. The locking mechanism 32 includes a plurality of adjustment lock holes 321, an adjustment lock pin 322 and an adjustment reset member 323 provided 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 actuated, 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.

[0060] To improve operational convenience, the operating portion is configured to be triggered when switching from the first usage state to the second usage state, thereby unlocking the linkage locking mechanism 32, so that the child carrier body 3 can be adjusted in tilt angle relative to the turntable 2 to be closer to or extended to the corresponding rear door side of the vehicle. To achieve this function, a trigger portion can be provided at a corresponding position of the base body 1. When the turntable drives the child carrier body 3 to switch from the first usage state to the second usage state, the trigger portion acts on the operating portion, and causes the operating portion to be linked to the locking mechanism to release the locked state of the child carrier body 3 relative to the bracket assembly, thereby allowing the user to directly adjust the tilt 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 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, wherein in the first use state, the front-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-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 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 from a corresponding rear door side of the vehicle.

2. A laterally slidable base according to claim 1, characterized in that 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 perform planar motion relative to the base body (1).

3. A laterally slidable base according to claim 1, characterized in that The rotational offset 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 offset mechanism (4) comprises a first guide portion (41) and a rotational guide member (42) provided on the turntable (2), and a second guide portion (43) and a limiting portion (44) provided 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; 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 includes 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) includes a rotation locking member (51) that is elastically and telescopically arranged, a rotation locking hole (52) that is plugged into and matched 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).

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 portion (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. The laterally slidable base according to claim 8, characterized in that The two rotating handles (531) are symmetrically arranged on 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. The laterally slidable base according to claim 1, characterized in that 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) switches from a first use state to a second use state. 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). 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.

11. A child carrier, characterized in that The child carrier comprises a child carrier body (3) and a laterally slidable base as claimed 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 its 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 portion (33) for unlocking the linkage locking mechanism.

13. A child carrier according to claim 12, characterized in that 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 adjusting slide groove (314) for slidingly cooperating with the guide slide bar (313). The mechanism (32) comprises 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 with the adjustment lock hole (321); the operating portion (33) comprises an operating button (331) movably connected relative to the child carrier body (3); and the operating 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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