Automobile child seat

Abstract

The utility model discloses an automobile child seat, and belongs to the technical field of automobile seats. The automobile child seat comprises a seat body, a headrest body and a locking assembly, the headrest body is movably connected with the seat body, the locking assembly is connected with the headrest body and has a locking position and an unlocking position, the locking assembly is matched with the seat body at the locking position to lock the headrest body, and the unlocking position is matched with the headrest body at the unlocking position. And at the unlocking position, the locking assembly is unmatched with the seat main body so as to unlock the headrest main body. According to the automobile child seat, the relative position between the headrest body and the seat body can be adjusted through the locking assembly, and the requirements of users are met.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seats, in particular to a child seat for automobiles. Background Art

[0002] Child car seats, also known as child safety seats, are seats designed specifically for children's safety in vehicles. They provide appropriate support and protection based on the child's size and growth stage to reduce the risk of injury in a car accident.

[0003] In the related art, the car seat headrest adjustment structure is not strong enough and is prone to breakage after a collision, resulting in the loss of its headrest adjustment function. It is unable to meet the riding needs of children of different heights and there are certain safety hazards. Utility Model Content

[0004] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0005] Therefore, one object of the present invention is to provide a child car seat, which can adjust the relative position between the headrest body and the seat body to meet user needs.

[0006] According to the car seat of the embodiment of the utility model, the car child seat includes a seat body, a headrest body and a locking assembly, the headrest body is movably connected to the seat body, the locking assembly is connected to the headrest body and has a locking position and an unlocking position, in the locking position the locking assembly cooperates with the seat body to lock the headrest body, and in the unlocking position the locking assembly releases the cooperation with the seat body to release the lock of the headrest body.

[0007] According to the child car seat of the embodiment of the utility model, the relative position between the headrest body and the seat body can be adjusted by the locking assembly to meet the needs of users.

[0008] In addition, the child car seat according to the above embodiment of the utility model may also have the following additional technical features:

[0009] Optionally, the seat body is provided with a plurality of limiting parts, and the locking assembly selectively cooperates with the limiting parts to limit the position at the locking position.

[0010] Optionally, the seat body is provided with a plurality of limiting ribs distributed along the up-down direction, and the limiting portion is constructed between two adjacent limiting ribs; at least a portion of the locking assembly at the locking position is provided at the limiting portion.

[0011] Optionally, the locking assembly includes a locking member and an elastic member, the locking member is connected to the headrest body and is detachably provided on the limiting portion, and the elastic member often has an elastic force driving the locking member to move toward the locking position.

[0012] Optionally, the locking assembly also includes a guide member, which is connected to the headrest body and has a guide groove, the guide groove extends in a horizontal direction, the locking member is slidably disposed in the guide groove, and the elastic member is respectively connected to the guide member and the locking member.

[0013] Optionally, the guide member has a first connecting portion, the locking member has a second connecting portion, the second connecting portion is sleeved on the first connecting portion and is movable along the horizontal direction, and the elastic member is respectively connected to the first connecting portion and the second connecting portion.

[0014] Optionally, the seat body has a first sleeve connecting portion, and the headrest body has a second sleeve connecting portion, and the first sleeve connecting portion and the second sleeve connecting portion extend in an up-down direction and are slidably sleeved together.

[0015] Optionally, the first sleeve portion and the second sleeve portion are arranged to form a clearance space, the clearance space extends along the up-down direction, and the clearance space is suitable for the locking assembly to move in the clearance space.

[0016] Optionally, the second sleeve portion is sleeved on the outer side of the first sleeve portion, the first sleeve portion has a clearance hole, the edge of the clearance hole is connected to the locking assembly, the clearance hole is suitable for the locking assembly to extend and retract into the clearance space; when retracted, the locking assembly locks the headrest body, and when extended, the locking assembly releases the lock on the headrest body.

[0017] Optionally, the first sleeve portion has a blocking portion at an end away from the seat body, and the blocking portion is used to limit the locking assembly from moving away from the seat body along the up-down direction.

[0018] Optionally, the first sleeve portion is provided with a yielding portion at an end away from the seat body, and the yielding portion is used to yield the locking assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of a child car seat in some embodiments of the utility model.

[0020] Figure 2 It is a cross-sectional view of a child car seat in some embodiments of the utility model.

[0021] Figure 3 yes Figure 2 A partial enlarged view of the embodiment.

[0022] Figure 4 It is a schematic diagram of the headrest body in some embodiments of the utility model.

[0023] Figure 5 It is a schematic diagram of a seat body in some embodiments of the present invention.

[0024] Figure 6 It is a schematic diagram of the locking assembly in some embodiments of the utility model.

[0025] Figure 7 It is a schematic diagram of the locking member in some embodiments of the utility model.

[0026] Figure 8 It is a schematic diagram of the guide member in some embodiments of the utility model.

[0027] Reference numerals:

[0028] A car child seat 100, a seat body 10, a limiting portion 11, a limiting rib 12, a first sleeve portion 13, a limiting portion 131, a yielding portion 132, a headrest body 20, a second sleeve portion 21, a yielding hole 211, a locking assembly 30, a locking member 31, a second connecting portion 311, a plug-in portion 312, a driving portion 313, an elastic member 32, a guide member 33, a guide groove 331, a first connecting portion 332, and a yielding space 40. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0030] The utility model provides a car child seat 100, which can adjust the relative position between the headrest body 20 and the seat body 10 to meet the needs of users.

[0031] Reference Figures 1 to 8 According to the embodiment of the present invention, the child seat 100 for a car may include a seat body 10 , a headrest body 20 and a locking assembly 30 .

[0032] Among them, the headrest body 20 is movably connected to the seat body 10, and the locking assembly 30 is connected to the headrest body 20, and has a locking position and an unlocking position. In the locking position, the locking assembly 30 cooperates with the seat body 10 to lock the headrest body 20, and in the unlocking position, the locking assembly 30 and the seat body 10 are released to release the lock of the headrest body 20; in this way, the relative position between the headrest body 20 and the seat body 10 can be adjusted by the locking assembly 30 to meet user needs.

[0033] In detail, the headrest body 20 and the seat body 10 are relatively movable, and the headrest body 20 is locked on the seat body 10 by means of a locking assembly 30 connected to the headrest body 20; wherein, when the locking assembly 30 is switched to the locking position, the locking assembly 30 can cooperate with the seat body 10 to lock the headrest body 20, and at this time, the relative position between the headrest body 20 and the seat body 10 remains unchanged; when the locking assembly 30 is switched to the unlocking position, the locking assembly 30 can be released from the seat body 10 to release the lock on the headrest body 20, and at this time, the headrest body 20 can be moved relative to the seat body 10, so as to facilitate the adjustment of the relative position between the headrest body 20 and the seat body 10.

[0034] In addition, the car child seat 100 in the embodiment of the utility model has a simple and reliable structure, which can improve the safety of the user.

[0035] Reference Figures 1 to 5 In some embodiments of the utility model, the seat body 10 is provided with a plurality of limiting parts 11, and the locking assembly 30 selectively cooperates with the limiting parts 11 to limit the position in the locking position to achieve the adjustment of the headrest body 20; optionally, the limiting part 11 can be locked and unlocked with the locking assembly 30 by means of magnetic connection; optionally, the limiting part 11 can be locked and unlocked with the locking assembly 30 by means of plugging, embedding, etc. In addition, the plurality of limiting parts 11 can be arranged in the up-down direction, or in the left-right direction, so that the headrest body 20 can be adjusted in the up-down direction or in the left-right direction relative to the seat body 10. In addition, the locking assembly 30 can selectively cooperate with at least one of the plurality of limiting parts 11 to limit the position to achieve locking.

[0036] Further, refer to Figures 1 to 5In some embodiments of the utility model, the seat body 10 is provided with a plurality of limiting ribs 12 distributed along the up-down direction, and a limiting portion 11 is constructed between two adjacent limiting ribs 12; when in the locked position, at least a portion of the locking assembly 30 is arranged on the limiting portion 11; it can be understood that, when in the locked position, at least a portion of the locking assembly 30 is arranged on the limiting portion 11, that is, arranged between the two limiting ribs 12, and the positioning of the locking assembly 30 is achieved through the limiting of the two limiting ribs 12, thereby locking the headrest body 20 connected to the locking assembly 30; when in the unlocked position, the locking assembly 30 can be separated from the limiting portion 11, that is, it can be disengaged from between the two limiting ribs 12, thereby releasing the lock on the headrest body 20.

[0037] In addition, in some specific examples, a portion of the multiple limiting ribs 12 can form a first limiting group, and another portion of the multiple limiting ribs 12 can form a second limiting group. The first limiting group and the second limiting group are arranged along the horizontal direction (that is, the horizontal direction is perpendicular to the up and down direction). When in the locked position, the locking assembly 30 can be simultaneously arranged between two adjacent limiting ribs 12 of the first limiting group and between two adjacent limiting ribs 12 of the second limiting group. This can increase the contact area between the locking assembly 30 and the seat body 10, thereby improving the locking stability of the headrest body 20.

[0038] Reference Figure 3 , Figures 6 to 8 In some embodiments of the present invention, the locking assembly 30 includes a locking member 31 and an elastic member 32. The locking member 31 is connected to the headrest body 20 and is detachably arranged on the limiting portion 11. The elastic member 32 often has an elastic force that drives the locking member 31 to move to the locking position; in this way, the relative position between the headrest body 20 and the seat body 10 can be adjusted.

[0039] Specifically, when in the locked position, the locking member 31 is arranged on the limiting portion 11, and the elastic member 32 applies an elastic force to the locking member 31 to maintain the locking member 31 in the locked position; during the unlocking process, the user can overcome the elastic force of the elastic member 32 to drive the locking member 31 to separate from the limiting portion 11 and move it to the unlocking position to achieve unlocking; and after the unlocking is completed, the user can release the drive on the locking member 31, and then the locking member 31 automatically resets to the locked position under the drive of the elastic member 32, thereby improving the working efficiency of the locking assembly 30.

[0040] Reference Figures 6 to 8 In some embodiments of the present invention, the locking assembly 30 may further include a guide member 33, which is connected to the headrest body 20 and has a guide groove 331, which extends in the horizontal direction. The locking member 31 is slidably disposed in the guide groove 331, and the elastic member 32 is respectively connected to the guide member 33 and the locking member 31; in this way, the working stability of the locking assembly 30 can be improved by the guide member 33.

[0041] In detail, in combination with the above, the seat body 10 is provided with a plurality of limiting parts 11, and the locking member 31 selectively moves to at least one of the plurality of limiting parts 11 to a locking position, and is arranged at the limiting part 11 in the locking position to achieve locking; when unlocking, the locking member 31 can be moved to an unlocking position in a direction away from the limiting part 11, and is separated from the limiting part 11 in the unlocking position to achieve unlocking; therefore, a guide member 33 can be connected to the headrest body 20, and a guide groove 331 of the guide member 33 can extend in a horizontal direction, and the locking member 31 can be slidably arranged in the guide groove 331, and the locking member 31 is guided by the guide groove 331 to move between the unlocking position and the locking position, thereby improving the working stability of the locking assembly 30.

[0042] In addition, the elastic member 32 can be connected to the guide member 33 and the locking member 31 respectively to drive the locking member 31 to slide relative to the guide groove 331 of the guide member 33, so as to facilitate the switching of the locking member 31 between the unlocking position and the locking position. The elastic force of the elastic member 32 is applied in a horizontal direction, so that the user can overcome the elastic force of the elastic member 32 to move to the unlocking position, and the elastic member 32 can also drive the locking member 31 to move to the locking position.

[0043] Reference Figure 3 , Figures 6 to 8 In some embodiments of the utility model, the guide member 33 has a first connection portion 332, the locking member 31 has a second connection portion 311, the second connection portion 311 is sleeved on the first connection portion 332 and is movable in the horizontal direction, and the elastic member 32 is respectively connected to the first connection portion 332 and the second connection portion 311; so as to further improve the working stability of the locking assembly 30.

[0044] Optionally, the first connection portion 332 extends in the horizontal direction, and the second connection portion 311 is sleeved on the outer side of the first connection portion 332 and can move relative to the first connection portion 332 in the horizontal direction. Through the cooperation between the first connection portion 332 and the second connection portion 311, the movement of the locking member 31 between the locking position and the unlocking position can be further improved, thereby further improving the working stability of the locking assembly 30. In addition, in some specific examples, the guide member 33 has a first connection hole, and the headrest body 20 has a second connection hole. The first connection hole and the second connection hole correspond to each other and are connected by a fastener. In other words, the first connection portion 332 can be configured as a fastener, and the second connection portion 311 can be configured as a third connection hole. The fastener is inserted into the third connection hole and can move relative to the third connection hole, thereby improving the movement stability of the locking member 31; further, the elastic member 32 includes a spring, and the spring can be sleeved on the first connection portion 332. The force application path of the elastic force of the spring is guided through the first connection portion 332, thereby improving the working stability of the elastic member 32. It should be understood that the horizontal direction is perpendicular to the up-down direction, that is, the horizontal direction may include the front-back direction and the left-right direction, etc. Figures 6 to 8 In some examples, the second connection portion 311 can move in the front-to-rear direction relative to the first connection portion 332 .

[0045] Reference Figures 1 to 5 In some embodiments of the utility model, the seat body 10 has a first sleeve portion 13, and the headrest body 20 has a second sleeve portion 21. The first sleeve portion 13 and the second sleeve portion 21 extend in the up-down direction and are slidably sleeved together. Specifically, in combination with the aforementioned embodiments, a plurality of limit portions 11 can be arranged in the up-down direction to realize the adjustment of the headrest body 20 relative to the seat body 10 in the up-down direction, and through the sleeve cooperation between the first sleeve portion 13 and the second sleeve portion 21, the movement stability of the headrest body 20 relative to the seat body 10 can be improved.

[0046] Reference Figure 3 and Figure 5 In some embodiments of the utility model, the first sleeve portion 13 and the second sleeve portion 21 are arranged to form a clearance space 40, and the clearance space 40 extends in the up and down directions. The clearance space 40 is suitable for the locking assembly 30 to move in the clearance space 40, which can avoid damage to the locking assembly 30 and improve the working stability of the locking assembly 30.

[0047] In detail, multiple limiting portions 11 can be arranged in the first sleeve portion 13 along the up and down direction, the locking assembly 30 can be connected to the second sleeve portion 21, and the first sleeve portion 13 and the second sleeve portion 21 are matched with each other and enclosed to form a clearance space 40, the locking assembly 30 can be located in the clearance space 40, and when in the unlocked position, the locking assembly 30 can move in the clearance space 40 to facilitate the adjustment between the headrest body 20 and the seat body 10; and hiding the locking assembly 30 in the first sleeve portion 13 and the second sleeve portion 21 can play a protective role and prevent the car child seat 100 from being damaged by external impact.

[0048] Reference Figures 1 to 5 In some embodiments of the utility model, the second sleeve portion 21 is sleeved on the outer side of the first sleeve portion 13, and the first sleeve portion 13 has a clearance hole 211. The edge of the clearance hole 211 is connected to the locking assembly 30, and the clearance hole 211 is suitable for the locking assembly 30 to extend and retract into the clearance space 40; when retracted, the locking assembly 30 locks the headrest body 20, and when extended, the locking assembly 30 releases the lock on the headrest body 20; in this way, it is convenient for the user to drive the locking assembly 30 to move between the locked position and the unlocked position.

[0049] Specifically, the second sleeve portion 21 can be sleeved on the outer side of the first sleeve portion 13; the guide member 33 of the locking assembly 30 is connected to the edge of the clearance hole 211, and the guide groove 331 of the guide member 33 corresponds to the clearance hole 211, so that the locking member 31 can slide through the clearance hole 211 and the guide groove 331; the user can drive the locking member 31 to extend out of the clearance space 40 through the clearance hole 211, thereby moving away from the multiple limiting portions 11 on the first sleeve portion 13 to the unlocking position, so that the locking member 31 is separated from the limiting portion 11 and the lock of the headrest body 20 is released; after the adjustment is completed, the user releases the drive of the locking member 31, at this time, the locking member 31 can be retracted into the clearance space 40 under the action of the elastic member 32, and move toward the multiple limiting portions 11 on the first sleeve portion 13, so as to be set at the limiting portion 11 in the locked position, thereby locking the headrest body 20.

[0050] Reference Figure 5 In some embodiments of the utility model, the first sleeve portion 13 has a blocking portion 131 at one end away from the seat body 10, and the blocking portion 131 is used to limit the locking assembly 30 from moving away from the seat body 10 in the up and down direction; specifically, the first sleeve portion 13 has two opposite ends, one end of which is close to the seat body 10 relative to the other end and connected to the seat body 10; the headrest body 20 can be adjusted in the up and down direction in the direction away from the seat body 10, and when the headrest body 20 is adjusted to the extreme position away from the seat body 10, the locking assembly 30 in the unlocked position is limited by the limiting portion 11 at the other end of the first sleeve portion 13 to prevent the second sleeve portion 21 from escaping from the first sleeve portion 13.

[0051] Reference Figure 5 In some embodiments of the utility model, the first sleeve portion 13 is provided with a yielding portion 132 at one end away from the seat body 10, and the yielding portion 132 is used to yield the locking assembly 30; specifically, the first sleeve portion 13 has two opposite ends, one end of which is closer to the seat body 10 relative to the other end, and is connected to the seat body 10; the headrest body 20 can be adjusted in the up and down directions in the direction away from the seat body 10, and when the headrest body 20 is adjusted to the extreme position away from the seat body 10, the yielding portion 132 of the first sleeve portion 13 can yield to the locking assembly 30 in the unlocked position, so as to avoid the locking assembly 30 being restricted and affecting the adjustment range of the headrest body 20.

[0052] In some embodiments of the present invention, the surface of the locking member 31 facing the outside of the clearance space 40 has a driving portion 313, and the driving portion 313 is suitable for the user's hand to be buckled therein, so as to drive the locking member 31 to move between the locking position and the unlocking position, thereby improving the adjustment efficiency of the car child seat 100.

[0053] In some embodiments of the utility model, the surface of the locking member 31 facing the inner side of the clearance space 40 is configured with an insert portion 312, and the insert portion 312 is suitable for cooperating with the limiting portion 11, that is, the insert portion 312 can be inserted between two connected limiting ribs 12 to limit the movement of the insert portion 312 through the two limiting ribs 12, thereby achieving locking of the headrest body 20.

[0054] The unlocking process in some embodiments of the utility model is as follows: the locking member 31 is pulled outwardly of the car child seat 100, at which time the shift block (i.e., the plug-in portion 312) of the locking member 31 is disengaged from the shift groove (i.e., the limiting portion 11) of the seat body 10, and the locking member 31 is in an unlocked state; then the locking member 31 is pulled upward or downward to achieve the shift adjustment of the headrest body 20.

[0055] The locking process in some embodiments of the present invention is as follows: when the headrest body 20 is adjusted to a suitable position, the locking member 31 is released, and then under the reverse force of the return spring (i.e., the elastic member 32), the locking member 31 is buckled in the shifting groove of the seat body 10, and the headrest body 20 cannot slide, and the locking member 31 is locked at this time.

[0056] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0057] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0058] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0059] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0060] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0061] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A car child seat, characterized in that: include: A seat body (10); A headrest body (20), wherein the headrest body (20) is movably connected to the seat body (10); A locking assembly (30) is connected to the headrest body (20) and has a locking position and an unlocking position. In the locking position, the locking assembly (30) cooperates with the seat body (10) to lock the headrest body (20), and in the unlocking position, the locking assembly (30) is released from the seat body (10) to release the lock on the headrest body (20).

2. The child car seat according to claim 1, characterized in that: The seat body (10) is provided with a plurality of limiting portions (11), and the locking assembly (30) selectively cooperates with the limiting portions (11) for limiting at the locking position.

3. The child car seat according to claim 2, characterized in that: The seat body (10) is provided with a plurality of limiting convex ribs (12) distributed in the up-down direction, and the limiting portion (11) is constructed between two adjacent limiting convex ribs (12); at least a portion of the locking assembly (30) is arranged on the limiting portion (11) at the locking position.

4. The child car seat according to claim 2, characterized in that: The locking assembly (30) comprises a locking member (31) and an elastic member (32); the locking member (31) is connected to the headrest body (20) and is detachably arranged on the limiting portion (11); and the elastic member (32) has an elastic force for driving the locking member (31) to move toward the locking position.

5. The child car seat according to claim 4, characterized in that: The locking assembly (30) further comprises a guide member (33), wherein the guide member (33) is connected to the headrest body (20) and has a guide groove (331), wherein the guide groove (331) extends in a horizontal direction, the locking member (31) is slidably disposed in the guide groove (331), and the elastic member (32) is respectively connected to the guide member (33) and the locking member (31).

6. The child car seat according to claim 5, characterized in that: The guide member (33) has a first connecting portion (332), the locking member (31) has a second connecting portion (311), the second connecting portion (311) is sleeved on the first connecting portion (332) and moves along the horizontal direction, and the elastic member (32) is respectively connected to the first connecting portion (332) and the second connecting portion (311).

7. The child car seat according to any one of claims 1 to 6, characterized in that: The seat body (10) has a first sleeve connection portion (13), and the headrest body (20) has a second sleeve connection portion (21). The first sleeve connection portion (13) and the second sleeve connection portion (21) extend in an up-down direction and are slidably sleeved together.

8. The child car seat according to claim 7, characterized in that: The first sleeve portion (13) and the second sleeve portion (21) are arranged to form a clearance space (40), the clearance space (40) extending along the up-down direction, and the clearance space (40) is suitable for the locking assembly (30) to move in the clearance space (40).

9. The child car seat according to claim 8, characterized in that: The second sleeve portion (21) is sleeved on the outer side of the first sleeve portion (13); the first sleeve portion (13) has a clearance hole (211); the edge of the clearance hole (211) is connected to the locking assembly (30); the clearance hole (211) is suitable for the locking assembly (30) to extend and retract into the clearance space (40); when retracted, the locking assembly (30) locks the headrest body (20); when extended, the locking assembly (30) releases the lock on the headrest body (20).

10. The child car seat according to claim 8, characterized in that: The first sleeve portion (13) has a blocking portion (131) at one end away from the seat body (10), and the blocking portion (131) is used to limit the locking assembly (30) from moving away from the seat body (10) along the up-down direction; And / or, the first sleeve portion (13) is provided with a yielding portion (132) at one end away from the seat body (10), and the yielding portion (132) is used to yield the locking assembly (30).

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