Child seat

Abstract

This utility model belongs to the technical field of child passenger tools, and provides a child seat, including: a base with multiple locking slots spaced apart thereon; a seat body rotatably mounted on the base in its front-to-back direction; an adjustment plate slidably mounted on the end of the seat body facing the base; and a locking rod movably mounted on the seat body. Compared with the prior art, this utility model, by setting multiple locking slots on the base and setting a slidable adjustment plate and a movable locking rod on the seat body, allows the child seat to switch between a fixed state, an unlocked state, and an adjustable state, thereby achieving flexible adjustment and stable locking of the seat posture. This structure simplifies the complex adjustment mechanisms of traditional multi-link or gear transmission, improves the convenience of operation and the safety of use, and solves the problems of complex adjustment structures and cumbersome operation in the prior art.

Description

Technical Field

[0001] This utility model belongs to the technical field of children's car riding tools, and specifically relates to a child seat. Background Technology

[0002] With the improvement of people's living standards and the enhancement of safety awareness, the issue of child passenger safety has received increasing attention, and child safety seats have become one of the essential devices for family travel. In order to meet the riding needs of children of different ages, existing child seats are usually equipped with an adjustable angle seat structure to adapt to changes in children's sitting or lying positions during the ride.

[0003] However, existing technologies for adjusting seat posture generally suffer from the following problems: First, the adjustment structure is complex. Many child seats use multi-link linkage mechanisms or complex gear transmission systems to achieve seat angle adjustment and locking. This results in a large number of parts and difficult assembly, increasing manufacturing costs and making the adjustment function unstable due to component wear or failure. Second, the adjustment accuracy is low and stability is poor. Some adjustment structures only offer limited angle selection, and the locking mechanism is prone to loosening, failing to ensure the seat maintains a stable posture during travel and posing certain safety hazards.

[0004] In addition, existing adjustment structures often lack good guiding design, which can easily lead to problems such as jamming and deviation during adjustment, affecting user comfort and safety.

[0005] In conclusion, there is an urgent need to provide a child seat that is simple in structure, easy to operate, reliable in adjustment, and highly safe to overcome the above-mentioned shortcomings. Utility Model Content

[0006] The technical problem to be solved by this utility model is to provide a child seat in light of the current state of the technology.

[0007] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a child seat is provided, including: a base, on which a plurality of snap-fit ​​slots are provided at intervals;

[0008] The seat body is rotatably mounted on the base in its own forward and backward direction;

[0009] An adjustment plate is slidably disposed at one end of the seat body facing the base;

[0010] A locking lever is movably mounted on the seat body, the locking lever movably abutting against the adjusting plate and movably engaging with the locking groove; wherein...

[0011] The child seat includes a fixed state, an unlocked state, and an adjustable state;

[0012] When in the fixed state, the adjusting plate presses against the locking rod, causing the locking rod to engage with the corresponding snap-fit ​​groove, thereby fixing the seat body relative to the base;

[0013] When in the unlocked state, the adjustment plate slides along the seat body from back to front, causing the locking rod to disengage from the locking groove;

[0014] When in the adjustment state, the adjustment plate drives the seat body to rotate relative to the base to adjust the posture of the seat body.

[0015] In one type of child seat described above, the adjustment plate is provided with an adjustment groove along the rotation direction of the seat body. The adjustment groove is movably sleeved on the outside of the locking rod, and the adjustment groove includes a locking section and an unlocking section; wherein,

[0016] When in the fixed state, the locking rod is located within the locking section and abuts against the side wall of that section away from the unlocking section;

[0017] When in the unlocked state, the locking lever is located within the unlocking section, which guides the locking lever out of the latching groove.

[0018] In one of the above-mentioned child seats, the adjustment plate includes a main body section and an arc section along the front-rear direction of the seat body. The arc section is disposed at one end of the main body section facing the rear of the seat body. The seat body is provided with a first guide groove and an avoidance groove. The main body section is movably disposed in the first guide groove.

[0019] When the child seat is in the unlocked state, the first guide groove is used to guide the sliding of the adjustment plate, and the clearance groove is used to provide clearance for the arc segment;

[0020] When the child seat is in the adjusted state, the main body section abuts against the end of the first guide groove, so that the adjustment plate can drive the seat body to rotate relative to the base.

[0021] In one of the aforementioned child seats, the base has an arc surface at one end facing the seat body that is adapted to the arc segment. When the adjustment plate slides relative to the base, the arc surface moves against the arc segment.

[0022] In one of the above-mentioned child seats, the adjustment plate is provided with a mounting groove, the mounting groove is provided with an elastic element, the seat body extends towards one side of the adjustment plate to form a pushing part, one end of the elastic element abuts against the pushing part, and the other end abuts against the side wall of the mounting groove;

[0023] When the child seat is in the fixed state, the seat body applies a pushing force to the adjustment plate through the elastic element, so as to lock the locking rod into the locking groove.

[0024] In one of the aforementioned child seats, a first waist-shaped groove is provided on the seat body, and a stud is provided at one end of the adjustment plate facing the seat body. A bolt passes through the first waist-shaped groove and is threadedly connected to the stud to connect the adjustment plate and the seat body.

[0025] In one of the aforementioned child seats, an arc-shaped block is provided on the seat body, and a second guide groove is provided on the base that penetrates the arc surface. The arc-shaped block is slidably disposed in the second guide groove to provide guidance for the rotation of the seat body.

[0026] In one of the aforementioned child seats, the arc-shaped block is provided with a second waist-shaped groove along the vertical direction of the seat body, and the locking rod is movably disposed in the second waist-shaped groove. The length of the second waist-shaped groove along the height direction of the seat body is greater than the depth of the locking groove, so as to provide a limit for the locking rod when the locking rod is disengaged from the locking groove.

[0027] In one of the aforementioned child seats, a connecting block is provided on the seat body, and the connecting block is threadedly connected to the arc-shaped block to fix the arc-shaped block to the seat body.

[0028] In one of the aforementioned child seats, the base is provided with a first adjustment area and a second adjustment area in sequence along the front-rear direction of the seat body, and a plurality of the snap-fit ​​grooves are provided at intervals on both the first adjustment area and the second adjustment area.

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] (1) By setting multiple snap-fit ​​slots on the base and setting a sliding adjustment plate and a movable locking rod on the seat body, the child seat can switch between a fixed state, an unlocked state and an adjustment state, thereby achieving flexible adjustment and stable locking of the seat posture. This structure simplifies the complex adjustment mechanism of traditional multi-link or gear transmission, improves the convenience of operation and safety of use, and solves the problems of complex adjustment structure and cumbersome operation in the existing technology.

[0031] (2) By setting an adjustment groove on the adjustment plate and dividing the adjustment groove into a locking section and an unlocking section, the locking rod can move along the adjustment groove to achieve a smooth switch between the fixed state and the unlocking state. This design avoids the risk of misoperation that may occur during manual adjustment, improves the stability and reliability of the adjustment process, and enhances the guiding performance of the structure, making it easier for users to intuitively judge the current state.

[0032] (3) The adjustment plate adopts a design that combines the main body section and the arc section. Combined with the first guide groove and the avoidance groove on the seat body, the adjustment plate has good guiding performance during the sliding process and can effectively drive the seat body to rotate in the adjustment state. This structure not only improves the smoothness of the adjustment action, but also reduces interference and resistance during the movement process, and improves the comfort of use. Attached Figure Description

[0033] Figure 1 This is a perspective view of a child car seat according to this utility model.

[0034] Figure 2 This is a plan view of a child car seat according to this utility model.

[0035] Figure 3 yes Figure 2 Sectional view along the AA direction.

[0036] Figure 4 yes Figure 1 A 3D view of the seat body hidden in the center.

[0037] Figure 5 This is a partial sectional view of the seat body and adjustment panel during installation.

[0038] Figure 6 yes Figure 2 Enlarged view of point B in the middle.

[0039] Figure 7 This is a 3D view of the base.

[0040] Figure 8 This is a 3D view of the adjustment plate.

[0041] Figure 9 It is a 3D diagram of an arc-shaped block.

[0042] In the diagram, 100 is the base; 110 is the first adjustment area; 120 is the second adjustment area; 130 is the snap-fit ​​groove; 140 is the curved surface; 150 is the second guide groove; 200 is the seat body; 210 is the first guide groove; 220 is the clearance groove; 230 is the pushing part; 240 is the first waist-shaped groove; 250 is the connecting block; 300 is the adjusting plate; 310 is the adjusting groove; 311 is the locking section; 312 is the unlocking section; 320 is the main body section; 330 is the arc section; 340 is the mounting groove; 350 is the elastic element; 360 is the stud; 400 is the locking rod; 500 is the curved block; and 510 is the second waist-shaped groove. Detailed Implementation

[0043] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0044] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0045] like Figures 1 to 9 As shown, a child seat according to this utility model includes: a base 100, a seat body 200, an adjustment plate 300, and a locking rod 400.

[0046] Specifically, the base 100 has multiple locking slots 130 spaced apart; the seat body 200 is rotatably mounted on the base 100 in its front-to-back direction; the adjustment plate 300 is slidably mounted on the end of the seat body 200 facing the base 100; the locking rod 400 is movably mounted on the seat body 200, and the locking rod 400 movably abuts against the adjustment plate 300 and is movably engaged with the locking slots 130; the child seat includes a fixed state, an unlocked state, and an adjustable state; when in the fixed state, the adjustment plate 300 presses against the locking rod 400, causing the locking rod 400 to engage with the corresponding locking slot 130, thereby fixing the seat body 200 relative to the base 100; when in the unlocked state, the adjustment plate 300 slides along the seat body 200 from back to front, causing the locking rod 400 to disengage from the locking slot 130; when in the adjustable state, the adjustment plate 300 causes the seat body 200 to rotate relative to the base 100, thereby adjusting the posture of the seat body 200.

[0047] The base 100 is used to secure the seat to the car seat, and the seat body 200 is for children to sit in. (See reference) Figure 3 At this time, the child seat is in a fixed position, and the locking lever 400 is engaged with the corresponding locking slot 130. The weight of the seat body 200 acts on the adjustment plate 300, causing the adjustment plate 300 to exert a right-to-left pushing force on the locking lever 400, thereby making the locking lever 400 and the locking slot 130 more securely engaged.

[0048] When it is necessary to adjust the posture of the seat body 200, first along... Figure 3 Pull the adjustment plate 300 from left to right to slide it relative to the seat body 200. As the adjustment plate 300 slides, it causes the locking lever 400 to disengage from the locking groove 130, thus releasing the seat body 200 from its fixed position with the base 100. At this point, sliding the adjustment plate 300 relative to the base 100 will cause the seat body 200 to rotate relative to the base 100, thereby adjusting the posture of the seat body 200.

[0049] After the posture adjustment is completed, the locking lever 400 re-engages with the corresponding locking slot 130, causing the seat body 200 to switch back to the fixed state.

[0050] In this design, multiple locking slots 130 are provided on the base 100, and a sliding adjustment plate 300 and a movable locking rod 400 are provided on the seat body 200. This allows the child seat to switch between a fixed state, an unlocked state, and an adjustable state, thereby achieving flexible adjustment and stable locking of the seat posture. This structure simplifies complex adjustment mechanisms such as traditional multi-link or gear transmission, improves the convenience of operation and safety of use, and solves the problems of complex adjustment structures and cumbersome operation in existing technologies.

[0051] Furthermore, the adjustment plate 300 is provided with an adjustment groove 310 along the rotation direction of the seat body 200. The adjustment groove 310 is movably sleeved on the outside of the locking rod 400. The adjustment groove 310 includes a locking section 311 and an unlocking section 312. When in the fixed state, the locking rod 400 is located in the locking section 311 and abuts against the side wall of the section away from the unlocking section 312. When in the unlocked state, the locking rod 400 is located in the unlocking section 312, which is used to guide the locking rod 400 out of the locking groove 130.

[0052] Reference Figure 3 and Figure 4 At this time, the child seat is in a fixed position, and the locking lever 400 is located within the locking section 311 of the adjustment groove 310. In this state, the locking lever 400 securely connects the seat body 200 to the base 100. Simultaneously, in the event of a sudden stop or collision, the locking section 311 extends along... Figure 3 Pressure is applied to the locking lever 400 from top to bottom, while the locking groove 130 moves along... Figure 3 Pressure is applied to the locking lever 400 from right to left, making the seat body 200 more securely fixed to the base 100, thereby effectively ensuring the safety of the child riding in the seat.

[0053] When it is necessary to adjust the posture of the seat body 200, the adjustment plate 300 moves along... Figure 3 The locking lever 400 slides from left to right. As the adjusting plate 300 slides, the locking lever 400 slides relative to the locking section 311 into the unlocking section 312 of the adjusting groove 310. During the process of the locking lever 400 entering the unlocking section 312 and sliding relative to it, the side wall of the unlocking section 312 applies a force to the locking lever 400 from... Figure 3 The downward thrust from the lower left to the upper right pushes the locking lever 400 out of the locking slot 130, ultimately switching the child seat to the unlocked state.

[0054] By setting an adjustment groove 310 on the adjustment plate 300 and dividing the adjustment groove 310 into a locking section 311 and an unlocking section 312, the locking rod 400 can move along the adjustment groove 310, achieving a smooth switch between the fixed state and the unlocked state. This design avoids the risk of misoperation that may occur during manual adjustment, improves the stability and reliability of the adjustment process, and enhances the guiding performance of the structure, making it easier for users to intuitively judge the current state.

[0055] It is worth mentioning that the adjustment plate 300 includes a main body section 320 and an arc section 330 along the front-rear direction of the seat body 200. The arc section 330 is located at the end of the main body section 320 facing the rear of the seat body 200. The seat body 200 is provided with a first guide groove 210 and a clearance groove 220. The main body section 320 is movably disposed within the first guide groove 210. When the child seat is in the unlocked state, the first guide groove 210 is used to guide the sliding of the adjustment plate 300, and the clearance groove 220 is used to provide clearance for the arc section 330. When the child seat is in the adjusted state, the end of the main body section 320 abuts against the first guide groove 210, so that the adjustment plate 300 can drive the seat body 200 to rotate relative to the base 100.

[0056] The adjustment plate 300 adopts a design combining the main body segment 320 and the arc segment 330. Combined with the first guide groove 210 and the clearance groove 220 on the seat body 200, the adjustment plate 300 has excellent guiding performance during sliding and can effectively drive the seat body 200 to rotate during adjustment. This structure not only improves the smoothness of the adjustment action but also reduces interference and resistance during movement, thus enhancing user comfort.

[0057] Furthermore, the end of the base 100 facing the seat body 200 is provided with an arc surface 140 that is adapted to the arc segment 330. When the adjustment plate 300 slides relative to the base 100, the arc surface 140 and the arc segment 330 move against each other.

[0058] The base 100 has an arc surface 140 at one end facing the seat body 200 that matches the arc segment 330 of the adjustment plate 300. This design ensures that the arc segment 330 of the adjustment plate 300 can slide smoothly along the arc surface 140 during the sliding process of the adjustment plate 300 relative to the seat body 200. This structural fit not only improves the stability and smoothness of the sliding process, but also ensures that when the locking lever 400 moves relative to the unlocking section 312, it can be effectively pushed out of the locking groove 130, thereby realizing the adjustment of the seat posture. This design reduces friction and possible jamming, improving the convenience and reliability of the overall operation.

[0059] It is worth mentioning that the adjustment plate 300 is provided with a mounting groove 340, and an elastic element 350 is provided in the mounting groove 340. The seat body 200 extends towards the side of the adjustment plate 300 to form a pushing part 230. One end of the elastic element 350 abuts against the pushing part 230, and the other end abuts against the side wall of the mounting groove 340. When the child seat is in a fixed state, the seat body 200 applies a pushing force to the adjustment plate 300 through the elastic element 350 to make the locking rod 400 lock with the locking groove 130.

[0060] The elastic element 350 is preferably a spring. During the process of pulling the adjustment plate 300 to slide relative to the seat body 200, the mounting groove 340 moves towards the pushing part 230 on the seat body 200, compressing the elastic element 350, causing it to elastically deform and store energy. After adjusting the posture of the seat body 200, the adjustment plate 300 is released, and the elastic element 350 releases the stored elastic potential energy, pushing the adjustment plate 300 back to its original position.

[0061] In one embodiment, the seat body 200 is provided with a first waist-shaped groove 240, and the end of the adjustment plate 300 facing the seat body 200 is provided with a stud 360. The bolt passes through the first waist-shaped groove 240 and is threadedly connected to the stud 360 to connect the adjustment plate 300 and the seat body 200.

[0062] By providing a first waist-shaped groove 240 on the seat body 200 and a stud 360 on the adjusting plate 300, and by using bolts to pass through the first waist-shaped groove 240 and connect with the stud 360 by thread, an adjustable connection between the adjusting plate 300 and the seat body 200 is achieved. This connection method ensures structural stability while allowing the adjusting plate 300 to slide freely within a certain range, adapting to different adjustment needs and improving the product's applicability and flexibility.

[0063] It is worth mentioning that the seat body 200 is provided with an arc-shaped block 500, and the base 100 is provided with a second guide groove 150 that penetrates the arc surface 140. The arc-shaped block 500 is slidably disposed in the second guide groove 150 to provide guidance for the rotation of the seat body 200.

[0064] By setting an arc-shaped block 500 on the seat body 200 and a second guide groove 150 penetrating the arc surface 140 area on the base 100, the arc-shaped block 500 slides within the guide groove, providing stable guiding support for the rotation of the seat body 200. This structure improves the smoothness and precision of the seat adjustment process, prevents jamming or instability caused by offset, and enhances the safety and durability of the product.

[0065] Furthermore, the arc-shaped block 500 is provided with a second waist-shaped groove 510 along the vertical direction of the seat body 200, and the locking rod 400 is movably disposed in the second waist-shaped groove 510. The length of the second waist-shaped groove 510 along the height direction of the seat body 200 is greater than the depth of the snap-fit ​​groove 130, so as to provide a limit for the locking rod 400 when it is disengaged from the snap-fit ​​groove 130.

[0066] A second oblong groove 510 is provided on the arc-shaped block 500, and the locking rod 400 is placed therein. Taking advantage of the fact that the length of the oblong groove in the height direction is greater than the depth of the locking groove 130, the locking rod 400 is limited when it disengages from the locking groove 130, preventing the locking rod 400 from moving excessively and affecting the reset function. This design improves the controllability and reset reliability of the locking mechanism and ensures the long-term stability of the adjustment system.

[0067] In one embodiment, a connecting block 250 is provided on the seat body 200, and the connecting block 250 is threadedly connected to the arc block 500 to fix the arc block 500 on the seat body 200.

[0068] Preferably, the seat body 200 has a groove, and the connecting block 250 is located within this groove to prevent the connecting block 250 from affecting the child's riding comfort. By providing the connecting block 250 on the seat body 200 and connecting it to the arc-shaped block 500 with threads, quick assembly and disassembly and secure fixation of the arc-shaped block 500 are achieved. This structure not only facilitates assembly and maintenance but also improves the modularity of the overall structure, which is beneficial for later repair and replacement, thus enhancing the product's practicality and economy.

[0069] Furthermore, the base 100 is provided with a first adjustment area 110 and a second adjustment area 120 in sequence along the front and rear direction of the seat body 200, and multiple snap-fit ​​slots 130 are provided at intervals on both the first adjustment area 110 and the second adjustment area 120.

[0070] When the locking lever 400 engages with the different engaging slots 130 in the first adjustment area 110, the seat body 200 is in a semi-reclined position relative to the base 100, thus placing the child in a semi-reclined posture accordingly. When the locking lever 400 engages with the different engaging slots 130 in the second adjustment area 120, the child sitting on the seat body 200 is in a sitting position. By providing different adjustment areas on the base 100, multiple sitting postures can be selected for the child, meeting the needs of different usage scenarios.

[0071] The adjustment process of this solution is as follows: First, pull the adjustment plate 300 so that it slides relative to the base 100, with the sliding direction referring to... Figure 3From left to right. During the sliding of the adjusting plate 300, the locking rod 400 moves relative to the locking section 311 of the adjusting groove 310 to the unlocking section 312, and disengages from the engaging groove 130 under the guidance of the unlocking section 312. When the locking rod 400 moves, the second oblong groove 510 on the arc-shaped block 500 provides a limiting effect for its movement to ensure the accuracy of the moving position of the locking rod 400.

[0072] At this point, the adjustment plate 300 can be pulled further, or the adjustment plate 300 and the seat body 200 can be pulled simultaneously to rotate the seat body 200 relative to the base 100, thereby adjusting the posture of the seat body 200. During the rotation of the seat body 200, the arc-shaped block 500 slides synchronously along the second guide groove 150 to ensure the stability and smoothness of the rotation of the seat body 200.

[0073] Once the seat body 200 has been adjusted, the adjustment plate 300 is released, and the adjustment plate 300 automatically resets under the action of the elastic element 350. During the reset process, the locking rod 400 moves relative to the adjustment groove 310 and re-engages with the corresponding locking groove 130 through the guide of the side wall of the unlocking section 312, so that the child seat returns to the fixed state.

[0074] It should be noted that in this utility model, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly defined. The terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two elements or the interaction between two elements, unless otherwise explicitly defined. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0075] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0076] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A child car seat, characterized in that, include: The base has multiple slots spaced apart on it. The seat body is rotatably mounted on the base in its own forward and backward direction; An adjustment plate is slidably disposed at one end of the seat body facing the base; A locking lever is movably mounted on the seat body, the locking lever movably abutting against the adjusting plate and movably engaging with the locking groove; wherein... The child seat includes a fixed state, an unlocked state, and an adjustable state; When in the fixed state, the adjusting plate presses against the locking rod, causing the locking rod to engage with the corresponding snap-fit ​​groove, thereby fixing the seat body relative to the base; When in the unlocked state, the adjustment plate slides along the seat body from back to front, causing the locking rod to disengage from the locking groove; When in the adjustment state, the adjustment plate drives the seat body to rotate relative to the base to adjust the posture of the seat body.

2. A child seat as described in claim 1, characterized in that, The adjusting plate has an adjusting groove along the rotation direction of the seat body. The adjusting groove is movably fitted onto the outside of the locking rod, and includes a locking section and an unlocking section; wherein, When in the fixed state, the locking rod is located within the locking section and abuts against the side wall of that section away from the unlocking section; When in the unlocked state, the locking lever is located within the unlocking section, which guides the locking lever out of the latching groove.

3. A child seat as described in claim 1, characterized in that, The adjustment plate includes a main body section and an arc section along the front-rear direction of the seat body. The arc section is located at the end of the main body section facing the rear of the seat body. The seat body is provided with a first guide groove and a clearance groove. The main body section is movably disposed in the first guide groove. When the child seat is in the unlocked state, the first guide groove is used to guide the sliding of the adjustment plate, and the clearance groove is used to provide clearance for the arc segment; When the child seat is in the adjusted state, the main body section abuts against the end of the first guide groove, so that the adjustment plate can drive the seat body to rotate relative to the base.

4. A child seat as described in claim 3, characterized in that, The base has an arc surface at one end facing the seat body that matches the arc segment. When the adjustment plate slides relative to the base, the arc surface moves against the arc segment.

5. A child seat as described in claim 3, characterized in that, The adjustment plate is provided with a mounting groove, and an elastic element is provided in the mounting groove. The seat body extends to one side of the adjustment plate to form a pushing part. One end of the elastic element abuts against the pushing part, and the other end abuts against the side wall of the mounting groove. When the child seat is in the fixed state, the seat body applies a pushing force to the adjustment plate through the elastic element, so as to lock the locking rod into the locking groove.

6. A child seat as described in claim 1, characterized in that, The seat body is provided with a first waist-shaped groove, and the end of the adjustment plate facing the seat body is provided with a stud. The bolt passes through the first waist-shaped groove and is threadedly connected to the stud to connect the adjustment plate and the seat body.

7. A child seat as described in claim 4, characterized in that, The seat body is provided with an arc-shaped block, and the base is provided with a second guide groove that penetrates the arc surface. The arc-shaped block is slidably disposed in the second guide groove to provide guidance for the rotation of the seat body.

8. A child seat as described in claim 7, characterized in that, The arc-shaped block is provided with a second waist-shaped groove along the vertical direction of the seat body. The locking rod is movably disposed in the second waist-shaped groove. The length of the second waist-shaped groove along the height direction of the seat body is greater than the depth of the snap-fit ​​groove, so as to provide a limit for the locking rod when the locking rod is disengaged from the snap-fit ​​groove.

9. A child seat as described in claim 7, characterized in that, A connecting block is provided on the seat body, and the connecting block is threadedly connected to the arc-shaped block to fix the arc-shaped block on the seat body.

10. A child seat as described in claim 1, characterized in that, The base is provided with a first adjustment area and a second adjustment area in sequence along the front-rear direction of the seat body, and a plurality of the snap-fit ​​slots are provided at intervals on the first adjustment area and the second adjustment area.

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