Child car seat

By using a gear groove structure and an eccentric rotating seat design, the problem of inconvenient rotation of child car seats in narrow spaces is solved, enabling fast, smooth, large-angle rotation and ensuring a secure lock after rotation, thus improving ease of operation and safety.

CN223904924UActive Publication Date: 2026-02-13OSK BABY & CHILDREN PROD FUJIAN
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Patent Information

Application Number
CN202520746033.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-02-13
Estimated Expiration
2035-04-18

AI Technical Summary

Technical Problem

Existing child car seats are inconvenient to operate in narrow parking environments or parallel parking scenarios, and the rotation angle is limited and the operation is cumbersome, making it difficult to achieve fast, smooth large-angle rotation and ensure a secure lock after rotation.

Method used

The design employs a gear groove structure and an eccentrically positioned rotating seat. Through the meshing of the gear structure and the gear groove structure, the seat body can achieve rapid, smooth, and large-angle rotation. The positioning part and the locking part ensure a firm lock after rotation.

Benefits of technology

It enables children's car seats to rotate quickly and smoothly in confined spaces, ensuring a secure lock after rotation, thus improving the user experience and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

According to the technical scheme, a first rotating part and a first limiting platform are arranged in a base, a gear groove structure is arranged in the first limiting platform, a rotating seat is limited on the first limiting platform of the base and rotates under the action of the first rotating part and a second rotating part, and meanwhile, the rotating seat can rotate in the gear groove structure. A first limiting platform of an installation part of the rotary seat is eccentrically arranged on a second limiting platform, the installation seat is rotatably connected to the rotary seat through butt joint installation of a third rotary seat and a fourth rotary seat, and a gear structure of the installation seat is eccentrically arranged on the installation part. Based on meshing of the gears of the gear structure and the gear groove structure, rotation is carried out. The large-angle rotation mechanism has the advantages that rapid and smooth large-angle rotation can be achieved, and firm locking after rotation is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile products, especially to a child car seat. BACKGROUND

[0002] The child car seat is an important device to ensure the safety of children in vehicles, which is usually fixed on the vehicle seat through a safety belt or an ISOFIX interface for restraining and protecting children during driving. With the increasing demand for convenience, angle-adjustable child car seats have gradually appeared in the market, such as supporting seat body inclination angle adjustment, height lifting, etc., to adapt to children of different ages or in-car space conditions.

[0003] However, most products in the prior art still have limited use scenarios. Traditional child car seats are usually installed in a forward direction, and in narrow parking environments or lateral parking scenarios, parents need to twist their bodies to operate inside the car. In this process, parents may have difficulty moving and may collide with their bodies, which may even pose a safety hazard. In addition, some products with limited rotation function use step adjustment or complex unlocking mechanisms, which have limited rotation angles, complicated operation steps, and insufficient structural stability, making it difficult to achieve fast and smooth large-angle rotation of the seat body and ensure firm locking after rotation, which restricts the actual use experience and safety. SUMMARY

[0004] The main purpose of the utility model is to provide a child car seat, which aims to solve the technical problem that the prior art cannot achieve fast and smooth large-angle rotation of the seat body and ensure firm locking after rotation.

[0005] To achieve the above-mentioned purpose, the utility model provides a child car seat, which comprises:

[0006] a seat body;

[0007] a rotation adaptation device, the rotation adaptation device is arranged at the bottom of the seat body, and the rotation adaptation device comprises a base, a rotating seat, and a mounting seat, wherein

[0008] the base is provided with a gear groove structure;

[0009] the rotating seat is rotatably arranged on the base, and the rotating seat comprises a mounting portion, the mounting portion is eccentrically arranged relative to the center of the gear groove structure, and the center of the mounting portion is offset relative to the center of the gear groove structure; and

[0010] the mounting seat is rotatably arranged on the rotating seat through the mounting portion, the mounting seat is provided with a gear structure, the gear structure is eccentrically arranged on the mounting seat, the center of the gear structure is offset relative to the center of the mounting seat, and at the same time, part of the gear structure is engaged with the gear groove structure.

[0011] Further, the base comprises a first rotation part and a first limiting platform, the first rotation part is arranged in the first limiting platform, and the gear groove structure is arranged around the inner contour of the first limiting platform.

[0012] Further, the rotation seat extends into the first limiting platform, and the rotation seat further comprises a second rotation part, the rotation seat is rotatably connected to the base by butting the first rotation part and the second rotation part.

[0013] Further, the mounting part comprises a third rotation part and a second limiting platform, the third rotation part is arranged in the second limiting platform, wherein the second limiting platform is provided with a window for communicating with the first limiting platform, and the gear groove structure part extends into the second limiting platform from the window.

[0014] Further, the gear structure extends into the second limiting platform and engages with the gear groove structure through the window, and in addition, the mounting seat is further provided with a fourth rotation part, the mounting seat is rotatably connected to the rotation seat by butting the third rotation part and the fourth rotation part.

[0015] Further, the third rotation part comprises a base and a limiting structure, the base and the limiting structure are arranged concentrically, and the limiting structure is arranged on the base; correspondingly, the fourth rotation part is at least two stepped surfaces arranged concentrically on the gear structure, the stepped surface comprises a stepped plane and a stepped side wall, and the base and the limiting structure abut different stepped side walls respectively.

[0016] Further, the mounting seat is provided with an outer annular part on the outer contour, the base is provided with a positioning part for positioning the overlapping position of the base and the mounting seat, the positioning part comprises a positioning groove, the outer annular part extends into the positioning groove, and whenever the mounting seat rotates to the overlapping position of the base, a specific part of the outer annular part extends into the positioning groove.

[0017] Further, the mounting seat is provided with an inner annular part on the outer contour, the inner annular part is arranged above the outer annular part and arranged concentrically with the outer annular part, and the positioning part further comprises a positioning wall extending from the positioning groove, the positioning wall is at least partially arranged on the outer annular part, and the end of the positioning wall abuts the inner annular part.

[0018] Further, the top of the mounting seat is provided with a clamping part, the bottom of the seat body is provided with a connecting rod, and the seat body is fixedly connected with the mounting seat by extending the connecting rod into the clamping part.

[0019] Further, the seat body and the mounting seat are integrally formed.

[0020] The utility model discloses a first rotation part and first limit platform are established in base, the gear groove structure is established in the first limit platform, and the rotation seat is limited to the first limit platform of base and carries out the rotation through the action of first rotation part and second rotation part, simultaneously, the mounting portion of rotation seat includes the eccentricity of first limit platform and is arranged in second limit platform, and through the butt joint of third rotation seat and fourth rotation seat installation, make mounting seat rotatable connection in rotation seat, and the gear structure eccentricity of mounting seat is arranged in mounting portion, when using, the seat body of children's car seat is arranged on mounting seat, and the gear of gear structure and gear groove structure is engaged and rotates, the utility model has the beneficial effect of realizing fast, smooth and large -angle rotation and ensuring firm locking after rotation. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 For the three-dimensional structure of the utility model Figure 1 ;

[0022] Figure 2 For the three-dimensional structure of the utility model Figure 2 ;

[0023] Figure 3 For the three-dimensional structure of the utility model is exploded view;

[0024] Figure 4 For the three-dimensional structure of the rotating adaptation device is schematic view;

[0025] Figure 5 For the three-dimensional structure of the rotating adaptation device is exploded Figure 1 ;

[0026] Figure 6 For the three-dimensional structure of the rotating adaptation device is exploded Figure 2 ;

[0027] Figure 7 For the plane structure of base is schematic view;

[0028] Figure 8 For the three-dimensional structure of rotation seat is schematic view;

[0029] Figure 9 For the three-dimensional structure of mounting seat is schematic view;

[0030] Figure 10 For the schematic diagram of the first use state of rotating adaptation device;

[0031] Figure 11 For the schematic diagram of the second use state of rotating adaptation device;

[0032] Figure 12 For the schematic diagram of the third use state of rotating adaptation device;

[0033] Figure 13A fourth use state of the rotation adapting device.

[0034] In the drawings:

[0035] 1. A rotation adapting device; 11, a base; 111, a first rotation part; 112, a first limiting platform; 113, a gear groove structure; 114, a positioning part; 1141, a positioning groove; 1142, a positioning wall; 12, a rotation seat; 121, a second rotation part; 122, a mounting part; 1221, a third rotation part; 12211, a base; 12212, a limiting structure; 1222, a second limiting platform; 1223, a window; 13, a mounting seat; 131, a gear structure; 132, a fourth rotation part; 1321, a stepped surface; 13211, a stepped surface; 13212, a stepped side wall; 133, an outer annular part; 134, an inner annular part; 135, a clamping part; 1351, a first clamping groove; 1352, a second clamping groove; 2, a child car seat; 21, a seat body; 22, a connecting rod. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0037] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings). If the certain posture changes, the directional indications also change accordingly.

[0038] In addition, if the embodiments of the present application involve descriptions of "first" or "second" and the like, the descriptions of "first" or "second" and the like are only for description purposes and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the scope of protection required by the present application.

[0039] This utility model proposes a child car seat 2.

[0040] In this embodiment of the utility model, such as Figures 1 to 13 As shown, the child car seat 2 includes a seat body 21 and a rotating adapter 1. The rotating adapter 1 is located at the bottom of the seat body 21 and includes a base 11, a rotating seat 12, and a mounting seat 13. The base 11 is provided with a gear groove structure 113. The rotating seat 12 is rotatably disposed on the base 11 and includes a mounting part 122. The mounting part 122 is eccentrically disposed relative to the center of the gear groove structure 113, and the center of the mounting part 122 is offset relative to the center of the gear groove structure 113. The mounting seat 13 is rotatably disposed on the rotating seat 12 via the mounting part 122. The mounting seat 13 is provided with a gear structure 131. The gear structure 131 is eccentrically disposed with the mounting seat 13, and the center of the gear structure 131 is offset relative to the center of the mounting seat 13. At the same time, part of the gear structure 131 meshes with the gear groove structure 113. The seat body 21 of the child car seat 2 can achieve rapid, smooth, large-angle rotation with the help of the rotation adapter and ensure a secure lock after rotation. Its applicable scenarios are as follows: when parents need to take the child out of the car, they only need to pull the seat body 21 or rotate the mounting base 13 to extend the seat body 21 to the side, so that the child can be taken out conveniently and safely.

[0041] In some embodiments of this utility model, the rotating adapter 1 is provided with a base 11, a rotating seat 12, and a mounting seat 13 arranged from low to high. In order to form a good limiting rotation effect in the base 11, the rotating seat 12, and the mounting seat 13, the following specific connection relationship is proposed: the base 11 includes a recessed first rotating part 111 and a first limiting platform 112. The first rotating part 111 is disposed in the first limiting platform 112. At the same time, the gear groove structure 113 is arranged around the inner contour of the first limiting platform 112.

[0042] Furthermore, the rotating seat 12 extends into the first limiting platform 112. The rotating seat 12 includes a second rotating part 121. By docking and installing the first rotating part 111 and the second rotating part 121, the rotating seat 12 is rotatably connected to the base 11.

[0043] Further, the mounting portion 122 comprises a third rotating portion 1221 and a second limiting platform 1222, the third rotating portion 1221 is arranged in the second limiting platform 1222, wherein the second limiting platform 1222 is provided with a window 1223 for communicating with the first limiting platform 112, and the gear groove structure 113 part extends into the second limiting platform 1222 from the window 1223. Further, the gear structure 131 extends into the second limiting platform 1222 and is engaged with the gear groove structure 113 through the window 1223, and the mounting seat 13 is also provided with a fourth rotating portion 132, and the third rotating portion 1221 is connected to the fourth rotating portion 132 by butt joint, so that the mounting seat 13 is rotatably connected to the rotating seat 12.

[0044] It can be understood that the rotating adapter 1 generates the first step rotation through the rotating action of the rotating seat 12, and then generates the second step rotation through the rotating action of the mounting seat 13, and when the second step rotation of the mounting seat 13 is generated, the mounting seat 13 rotates around the mounting portion 122 based on the rotation of the rotating seat 12, and the mounting seat 13 can be rotated to the area of the side, the rotating adapter 1 can be applied to the combination of seats, object tables and the like, and can make the seat or object table rotate quickly, smoothly and with a large angle, and due to the connecting property of the gear engagement rotation, the firm locking after rotation can be ensured.

[0045] In some embodiments of the utility model, in order to make the rotating relationship of base 11 and rotating seat 12 more stable, first rotating portion 111 and second rotating portion 121 are concave-convex matched, and a rotating shaft body (not shown) is arranged through the center of first rotating portion 111 and second rotating portion 121, specifically, the following specific connecting relationship is proposed for the concave-convex matched arrangement, first rotating portion 111 is a concave cylindrical groove, and second rotating portion 121 is a convex cylinder, and second rotating portion 121 extends into first rotating portion 111, it can be understood that actually first rotating portion 111 can be a convex cylinder, and second rotating portion 121 can be a concave cylindrical groove, at this time first rotating portion 111 extends into second rotating portion 121 and connects, compared with the conventional design of rotating by using intermediate parts, the concave-convex matched arrangement can make base 11 and rotating seat 12 have stronger stability when rotating.

[0046] In some embodiments of the utility model, in order to make the rotating relationship of rotating seat 12 and mounting seat 13 more stable, the following connecting relationship is proposed, third rotating portion 1221 comprises a base 12211 and a limiting structure 12212, the base 12211 and the limiting structure 12212 are concentrically arranged, and the limiting structure 12212 is arranged on the base 12211, and the foregoing covering is described with reference to Figure 8As shown in the content, the end surface of the limiting structure 12212 covers the upper part of the entire base 12211, that is, the base 12211 and the limiting structure 12212 are different in height position, and the surface area of the end surface of the limiting structure 12212 is greater than the surface area of the abutting part of the base 12211; correspondingly, the fourth rotating part 132 is at least two stepped surfaces 1321 arranged at the concentric position of the gear structure 131, the stepped surface 1321 includes a stepped plane 13211 and a stepped side wall 13212, the base 12211 and the limiting structure 12212 respectively abut different stepped side walls 13212, and the rotating seat 12 and the mounting seat 13 have a stable rotating connection relationship by the base 12211 and the limiting structure 12212 extending into different stepped side walls 13212.

[0047] In some embodiments of the utility model, due to the setting of multi-stage rotation, the mounting seat 13 will have many specific rotating positions, and when storage or use is needed, in order to assist in solving the positioning problem of the base 11 and the mounting seat 13 overlapping, the mounting seat 13 is provided with an outer annular part 133 on the external contour, the base 11 is provided with a positioning part 114 for positioning the overlapping position of the base 11 and the mounting seat 13, the positioning part 114 includes a positioning groove 1141, the outer annular part 133 extends into the positioning groove 1141, and whenever the mounting seat 13 rotates to the overlapping position of the base 11, the specific part structure of the outer annular part 133 extends into the positioning groove 1141, please refer to the display part of Figure 7 、 Figure 10 、 Figure 11 、 Figure 12 and Figure 13 When the base 11 and the mounting seat 13 are in the overlapping state, the outer annular part 133 always produces an auxiliary positioning effect by the specific part structure interacting with the positioning groove 1141.

[0048] Further, in order to be able to enhance the effect of auxiliary positioning, the mounting seat 13 is provided with an inner annular part 134 on the external contour, the inner annular part 134 is arranged above the outer annular part 133 and is arranged concentrically with the outer annular part 133, the positioning part 114 further includes a positioning wall 1142 extending from the positioning groove 1141, the positioning wall 1142 is at least partially arranged on the outer annular part 133, and the end of the positioning wall 1142 abuts the inner annular part 134, and the effect of auxiliary positioning of the positioning part 114 is better by increasing the interaction between the inner annular part 134 and the positioning part 114.

[0049] Further, as some preferred embodiments of the utility model, preferably, the base 11 is equipped with two positioning parts 114, and the positioning parts 114 are arranged at opposite positions of the base 11, wherein the opposite position is understood as the opposite position of the center of the base 11 as the boundary point, and when in this arrangement, the number and effect of the positioning parts 114 achieve balance, that is, a smaller number is arranged while achieving better positioning effect.

[0050] The following content is as the rotation description of the rotation adapting device 1, please refer to the content shown in the following Figure 10 、 Figure 11 、 Figure 12 and Figure 13 , wherein, Figure 10 is the general use position, and Figure 11 and Figure 13 are the lateral use positions, Figure 12 is the state when the general use position is reversed, and it can be understood that the specific state of rotation is not limited to the four states, and through the gear meshing transmission of the gear structure 131 and the gear groove structure 113, the mounting seat 13 can be firmly locked in Figures 10 to 13 any transition state in the rotation conversion process.

[0051] In some embodiments of the utility model, in order to improve the adaptability of the seat body 21 and the rotation adapting device 1, the upper end of the base 11 is inclined, and the front end of the base 11 is lower than the rear end, as shown in the following Figures 1 to 2 , based on the consideration of the specific shape of the baby seat, the upper end of the base 11 is matched and arranged in an inclined state, which helps to correct the seat body 21.

[0052] In some embodiments of the utility model, based on the needs of specific application scenarios, when the user may use the seat body 21 alone, the connection relationship between the seat body 21 and the mounting seat 13 is limited to detachable connection, and according to the characteristics of children, the detachable connection mode through clamping is relatively safe in daily use, so the following connection relationship is proposed, the top of the mounting seat 13 is equipped with a clamping part 135, the bottom of the seat body 21 is equipped with a connecting rod 22, the seat body 21 is connected with the mounting seat 13 by inserting the connecting rod 22 into the clamping part 135, and when disassembly is needed, the seat body 21 is pulled upward or the rotation adapting device 1 is pulled downward by external force, so that they are separated from each other.

[0053] Specifically, the engaging portion 135 includes a first engaging slot 1351 and a second engaging slot 1352, the volume of the first engaging slot 1351 is larger than that of the second engaging slot 1352, the first engaging slot 1351 is butted at the gravity center position of the seat body 21, and the gravity center position is the rear end of the seat body 21, and more specifically, in order to enhance the stability of the engagement, the engaging portion 135 is provided with two groups, the rear end of the mounting seat 13 is provided with two first engaging slots 1351, and the front end of the mounting seat 13 is provided with two second engaging slots 1352.

[0054] Further, based on the needs of some other specific application scenarios, the connection relationship between the seat body 21 and the mounting seat 13 is limited to be non-detachable connection, and the seat body 21 and the mounting seat 13 are integrally formed in consideration of the characteristics of the use of children and industrial production, and compared with the detachable connection, the integrally formed is stable in use, and when the seat body 21 is not needed to be used alone, this mode is adopted.

[0055] In some embodiments of the present application, Figures 1 to 3 It can be seen that, from the perspective of safe use, the fixing of the child car seat 2 adopts ISOFIX, and in the case of not being limited to ISOFIX, safety belt fixing or LATCH fixing can also be used, which is part of the prior art and will not be described in detail.

[0056] The above is only the preferred embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation made under the utility model concept of the present application, or direct / indirect application in other related technical fields is included in the patent protection range of the present application.

Claims

1. A child car seat, characterized in that The utility model relates to a rotating seat structure of a seat, which comprises a seat body and a rotating adapter device arranged at the bottom of the seat body. The rotating adapter device comprises a base, a rotating seat and a mounting seat. The base is provided with a gear groove structure. The rotating seat is rotatably arranged on the base and comprises a mounting part which is arranged eccentrically relative to the center of the gear groove structure. The center of the mounting part is offset relative to the center of the gear groove structure. The mounting seat is rotatably arranged on the rotating seat through the mounting part and is provided with a gear structure which is arranged eccentrically relative to the mounting seat.

2. A child car seat as claimed in claim 1, characterised in that: The center of the gear structure is offset relative to the center of the mounting seat.

3. A child car seat as claimed in claim 2, characterised in that: Part of the gear structure is engaged with the gear groove structure.

4. A child car seat as claimed in claim 3 wherein: The base comprises a first rotating part and a first limiting platform.

5. A child car seat as claimed in claim 4 wherein: The first rotating part is arranged in the first limiting platform.

6. A child car seat as claimed in claim 5 wherein: The gear groove structure is arranged around the inner contour of the first limiting platform.

7. The child car seat of claim 1, wherein: The rotating seat extends into the first limiting platform.

8. A child car seat as claimed in claim 7, characterised in that: The rotating seat further comprises a second rotating part.

9. A child car seat as claimed in any one of claims 1 to 8, characterised in that: The rotating seat is rotatably connected to the base by butting the first rotating part and the second rotating part.

10. A child car seat as claimed in any one of claims 1 to 8, characterised in that: The mounting part comprises a third rotating part and a second limiting platform. The second limiting platform is provided with a window for communicating with the first limiting platform. Part of the gear groove structure extends into the second limiting platform from the window. The gear structure extends into the second limiting platform and is engaged with the gear groove structure through the window. The mounting seat is further provided with a fourth rotating part. The mounting seat is rotatably connected to the rotating seat by butting the third rotating part and the fourth rotating part. The third rotating part comprises a base and a limiting structure. The base and the limiting structure are concentrically arranged. The limiting structure covers the base. Correspondingly, the fourth rotating part is at least two stepped surfaces arranged concentrically on the gear structure. The stepped surface comprises a stepped plane and a stepped side wall. The base and the limiting structure abut different stepped side walls, respectively. The mounting seat is provided with an outer annular part on the outer contour. The base is provided with a positioning part for positioning the overlapping position of the base and the mounting seat. The positioning part comprises a positioning groove. The outer annular part extends into the positioning groove. When the mounting seat rotates to the overlapping position of the base, a specific part of the outer annular part extends into the positioning groove. The mounting seat is provided with an inner annular part on the outer contour. The inner annular part is arranged above the outer annular part and is concentrically arranged with the outer annular part. The positioning part further comprises a positioning wall extending on the positioning groove. The positioning wall is at least partially arranged on the outer annular part. The end of the positioning wall abuts the inner annular part. The top of the mounting seat is provided with a clamping part. The bottom of the seat body is provided with a connecting rod. The seat body is fixedly connected with the mounting seat by extending the connecting rod into the clamping part. The seat body and the mounting seat are integrally formed.