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 back assembly, a head assembly, a locking piece and a positioning piece, the back assembly is provided with a plurality of positioning grooves distributed in the vertical direction, the head assembly is connected with the back assembly and can move in the vertical direction, and the locking piece is connected with the head assembly and comprises a locking part detachably arranged in the positioning grooves. The positioning piece selectively abuts against the locking part so as to prevent the locking part from being separated from the positioning groove. According to the automobile child seat, the height of the head assembly relative to the back assembly can be adjusted through the locking piece and the positioning piece, 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 height of the head component relative to the back component to meet the needs of users.

[0006] According to the car child seat of the embodiment of the utility model, the car child seat includes a back component, a head component, a locking member and a positioning member, the back component is provided with a plurality of positioning grooves distributed along the up-down direction, the head component is connected to the back component and is movable along the up-down direction, the locking member is connected to the head component and includes a locking portion detachably provided in the positioning groove, and the positioning member selectively stops against the locking portion to limit the locking portion from escaping from the positioning groove.

[0007] According to the child seat for cars of the embodiment of the utility model, the height adjustment of the head component relative to the back component can be achieved through the locking member and the positioning member 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 locking member further includes a main body portion and an elastic portion, the main body portion is arranged on the head assembly, the elastic portion is connected to the main body portion and can be elastically deformed, and the locking portion is arranged on the elastic portion.

[0010] Optionally, the upper side wall and the lower side wall of the positioning groove gradually expand in the direction from the groove bottom to the groove mouth; and / or the upper side surface and the lower side surface of the locking portion gradually converge in the direction from the fixed end to the free end.

[0011] Optionally, the positioning member is movably disposed on the main body and has a positioning position and a release position. In the positioning position, the positioning member abuts against the locking portion, and in the release position, the positioning member is away from the locking portion.

[0012] Optionally, the child car seat further comprises an elastic member, wherein the elastic member is respectively connected to the locking member and the positioning member and has an elastic force for driving the positioning member to move toward the locking portion.

[0013] Optionally, the locking member and the positioning member are arranged to form an installation space, and the installation space is suitable for the elastic member to be arranged therein.

[0014] Optionally, the locking member has a first limiting portion, and the positioning member has a second limiting portion, the first limiting portion and the second limiting portion are limited in the positioning position, and the first limiting portion and the second limiting portion are staggered in the release position.

[0015] Optionally, the back component has a first sleeve connecting portion, and the head component 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 movably sleeved and matched.

[0016] Optionally, the back component has a first positioning portion, and the head component has a second positioning portion, the first positioning portion and the second positioning portion extend in an up-and-down direction, and the first positioning portion and the second positioning portion are plug-fitted and detachable.

[0017] Optionally, one of the locking member and the back assembly is provided with a limit block, and the other is provided with a limit slot, the limit slot extends along the up-down direction, and the limit block is slidably disposed in the limit slot.

[0018] Optionally, the positioning member has a hand-grip groove, and the hand-grip groove is suitable for a user to drive the positioning member by hand. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a partial schematic diagram of a child car seat in some embodiments of the utility model (the positioning member is in the positioning position).

[0020] Figure 2 It is a partial schematic diagram of a child car seat in some embodiments of the utility model (the positioning member is in the released position).

[0021] Figure 3 It is an assembly diagram of locking members and positioning members in some embodiments of the utility model.

[0022] Figure 4 It is an exploded view (one side) of locking members and positioning members in some embodiments of the present invention.

[0023] Figure 5 It is an exploded view of the locking member and the positioning member in some embodiments of the utility model (the other side).

[0024] Figure 6 It is a schematic diagram of a child car seat in some embodiments of the utility model.

[0025] Figure 7 It is a partial schematic diagram of the back component in some embodiments of the utility model.

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

[0027] Reference numerals:

[0028] Car child seat 100, back component 10, positioning groove 11, upper side wall 111, lower side wall 112, positioning boss 12, first sleeve portion 13, first positioning portion 14, limiting groove 15, head component 20, second sleeve portion 21, second positioning portion 22, locking member 30, locking portion 31, main body 32, elastic portion 33, first limiting portion 34, limiting block 35, first mounting column 36, positioning member 40, second limiting portion 41, hand buckle groove 42, second mounting column 43, first guide portion 44, second guide portion 45, mounting space 50, horizontal direction AA. 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 achieve height adjustment of a head component 20 relative to a back component 10 to meet user needs.

[0031] Reference Figures 1 to 8 According to the child seat 100 of the vehicle of the embodiment of the utility model, the child seat 100 of the vehicle includes a back component 10 , a head component 20 , a locking member 30 and a positioning member 40 .

[0032] Among them, the back component 10 is provided with a plurality of positioning grooves 11 distributed along the up-down direction, the head component 20 is connected to the back component 10 and is movable along the up-down direction, the locking member 30 is connected to the head component 20, and includes a locking portion 31 which is detachably arranged in the positioning groove 11, and the positioning member 40 selectively stops the locking portion 31 to limit the locking portion 31 from escaping from the positioning groove 11; with such a configuration, the height adjustment of the head component 20 relative to the back component 10 can be achieved through the locking member 30 and the positioning member 40 to meet user needs.

[0033] Specifically, the head component 20 can move in the up-down direction relative to the back component 10, and the height adjustment of the head component 20 on the back component 10 can be achieved by locking and unlocking the locking member 30 and the positioning member 40; wherein, when the head component 20 is locked, the locking member 30 can be set in at least one of the multiple positioning grooves 11, and selectively stopped by the positioning member 40 to limit the locking portion 31 from escaping the selected positioning groove 11, thereby locking the head component 20 on the back component 10; when the head component 20 is unlocked, the positioning member 40 can release the stopping of the locking portion 31, and at this time the locking member 30 can be out of the positioning groove 11, which is convenient for the head component 20 to move in the up-down direction relative to the back component 10, thereby achieving the height adjustment of the head component 20 relative to the back component 10.

[0034] In addition, according to actual conditions, the locking member 30 can actively disengage from the positioning groove 11 by user drive or the like; it can also passively disengage from the positioning groove 11 by mutual pressure between the locking member 30 and the positioning groove 11. The aforementioned can both enable the locking member 30 to disengage from the positioning groove 11, thereby facilitating the height adjustment of the car child seat 100.

[0035] 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.

[0036] According to the above, refer to Figures 1 to 5 In some embodiments of the present invention, the locking member 30 also includes a main body 32 and an elastic portion 33, the main body 32 is arranged on the head assembly 20, the elastic portion 33 is connected to the main body 32 and can be elastically deformed, and the locking portion 31 is arranged on the elastic portion 33; such an arrangement can improve the height adjustment efficiency of the car child seat 100.

[0037] In detail, the back component 10 is provided with a plurality of positioning bosses 12 distributed in the up-down direction, and the aforementioned positioning groove 11 is constructed between two adjacent positioning bosses 12; when the head component 20 is unlocked, the positioning member 40 can release the abutment on the locking portion 31, and the elastic portion 33 can still be located in the positioning groove 11, at this time, the head component 20 can be driven to move in the up-down direction relative to the back component 10, and the positioning boss 12 can press the elastic portion 33 to cause the elastic portion 33 to undergo elastic deformation, thereby causing the locking portion 31 to pass over the positioning boss 12, that is, to reach from one positioning groove 11 to another positioning groove 11, thereby realizing the height adjustment of the car child seat 100, and the structure is simple and the adjustment efficiency is high; when the head component 20 is locked, the locking portion 31 can be provided in one of the plurality of positioning grooves 11, and the positioning member 40 selectively abuts the locking portion 31, so that the locking portion 31 is restricted in the selected positioning groove 11, thereby locking the head component 20 on the back component 10, thereby realizing the height adjustment of the car child seat 100.

[0038] Reference Figure 1 , Figure 2 , Figure 6 and Figure 7 In some embodiments of the present invention, the positioning groove 11 is constructed as a flared structure; it can be understood that the positioning groove 11 gradually expands in the direction from the groove bottom to the groove mouth, so that the side wall surface of the positioning groove 11 can form a guiding structure. When the height of the car child seat 100 is adjusted, the side wall surface of the positioning groove 11 can guide the locking portion 31 to pass over and escape, thereby improving the smoothness of the height adjustment of the car child seat 100.

[0039] In some specific examples, the positioning groove 11 includes an upper side wall 111 and a lower side wall 112, and the upper side wall 111 and the lower side wall 112 are arranged in a top-down direction, and the upper side wall 111 and the lower side wall 112 gradually expand in a direction from the bottom of the positioning groove 11 to the groove mouth, that is, the upper side wall 111 is inclined in a direction away from the locking portion 31 in a top-down direction, and the lower side wall 112 is inclined in a direction close to the locking portion 31 in a top-down direction, so as to respectively form a guiding structure for guiding the locking portion 31 to escape from the positioning groove 11; when the locking portion 31 escapes from the positioning groove 11 upward, the upper side wall 111 of the positioning groove 11 can guide the locking portion 31 to escape; when the locking portion 31 escapes from the positioning groove 11 downward, the lower side wall 112 of the positioning groove 11 can guide the locking portion 31 to escape.

[0040] Reference Figures 1 to 5In other embodiments of the present invention, the upper side and the lower side of the locking portion 31 are gradually converged in the direction from the fixed end to the free end, so that the upper side and the lower side of the locking portion 31 can form a guiding structure. When the height of the car child seat 100 is adjusted, the upper and lower side of the locking portion 31 can guide itself to pass through and escape from the positioning groove 11, thereby improving the smoothness of the height adjustment of the car child seat 100.

[0041] In some specific examples, the upper side surface of the locking portion 31 is inclined in a top-down direction toward the direction close to the positioning slot 11, and the lower side surface of the locking portion 31 is inclined in a top-down direction toward the direction away from the positioning slot 11, so as to respectively form a guiding structure for guiding the pointed end to escape from the positioning slot 11; when the locking portion 31 escapes from the positioning slot 11 upward, the upper side surface of the locking portion 31 can guide the locking portion 31 to escape from the positioning slot 11; when the locking portion 31 escapes from the positioning slot 11 downward, the lower side surface of the locking portion 31 can guide the locking portion 31 to escape from the positioning slot 11.

[0042] Reference Figures 1 to 5 In some embodiments of the utility model, the positioning member 40 is movably disposed on the main body 32 and has a positioning position and a release position. In the positioning position, the positioning member 40 stops at the locking portion 31, and in the release position, the positioning member 40 is away from the locking portion 31. This arrangement can realize the height adjustment of the car child seat 100.

[0043] Specifically, the positioning member 40 is connected to the main body 32 and can be moved to approach and move away from the locking portion 31; when it is necessary to lock the head assembly 20, the positioning member 40 can move relative to the main body 32 and approach the locking portion 31 to move to the positioning position, at which time the positioning member 40 can stop the locking portion 31 to limit the locking portion 31 from escaping from the positioning groove 11, thereby locking the head assembly 20 on the back assembly 10; when it is necessary to unlock the head assembly 20, the positioning member 40 can move relative to the main body 32 and move away from the locking portion 31 to move to the release position, at which time the positioning member 40 is away from the locking portion 31, and the locking portion 31 can escape from the positioning groove 11 to facilitate the height adjustment of the car child seat 100.

[0044] Reference Figures 1 to 5 In some specific examples, the main body 32 extends in the up-down direction, and the lower part of the main body 32 is connected to the elastic part 33, and the positioning member 40 is movably provided on the main body 32 in the up-down direction. When the positioning member 40 moves downward to the positioning position, the side of the positioning member 40 can stop the locking part 31 to limit the locking part 31 from falling out of the positioning groove 11; when the positioning member 40 moves upward to the release position, the side of the positioning member 40 is away from the locking part 31, thereby releasing the restriction on the locking part 31.

[0045] In some embodiments of the present invention, the car child seat 100 also includes an elastic member, which is respectively connected to the locking member 30 and the positioning member 40 and has an elastic force that drives the positioning member 40 to move toward the locking portion 31; such a configuration can improve the height adjustment efficiency of the car child seat 100.

[0046] Specifically, in combination with the foregoing, the upper end of the elastic member can be connected to the main body 32, the lower end of the elastic member can be connected to the positioning member 40, and the elastic member has an elastic force that drives the positioning member 40 to move toward the locking portion 31 connected to the lower end of the main body 32; when unlocking the head assembly 20, the user can overcome the elastic force of the elastic member to drive the positioning member 40 to move upward to the release position to release the restriction on the locking portion 31, facilitate the locking portion 31 to disengage from the positioning groove 11, and achieve the height adjustment of the car child seat 100; when locking the head assembly 20, the user can cancel the force applied to the positioning member 40, and the positioning member 40 moves downward to the positioning position under the elastic action of the elastic member to limit the locking portion 31 from disengaging from the positioning groove 11, thereby achieving the locking of the head assembly 20; it can be understood that when locking, the positioning member 40 can be reset to the positioning position under the action of the elastic member without user drive, thereby improving the height adjustment efficiency of the car child seat 100.

[0047] Reference Figures 3 to 5 In some embodiments of the present invention, the locking member 30 and the positioning member 40 are arranged to form an installation space 50, and the installation space 50 is suitable for the elastic member to be arranged therein; in this way, the elastic member can be protected from being affected by the external environment.

[0048] In addition, a first mounting column 36 is provided on the side of the locking member 30 facing the positioning member 40, and a second mounting column 43 is provided on the side of the positioning member 40 facing the locking member 30. The first mounting column 36 and the second mounting column 43 are opposite to each other in the up-down direction. The upper end of the elastic member can be sleeved and fixed on the first mounting column 36, and the lower end of the elastic member can be sleeved and fixed on the second mounting column 43. The setting of the mounting column can greatly improve the working stability of the elastic member. A guide portion is provided in at least one of the locking member 30 and the positioning member 40. The guide portion extends in the up-down direction and includes a first guide portion 44 and a second guide portion 45. The first guide portion 44 and the second guide portion 45 are arranged opposite to each other in the vertical direction of the up-down direction, and a guide space is formed between the first guide portion 44 and the second guide portion 45. The elastic member can be arranged in the guide space. The guiding effect of the first guide portion 44 and the second guide portion 45 can further improve the working stability of the elastic member.

[0049] Reference Figures 1 to 5In some embodiments of the utility model, the locking member 30 has a first limiting portion 34, and the positioning member 40 has a second limiting portion 41. When in the positioning position, the first limiting portion 34 and the second limiting portion 41 are limited, and when in the release position, the first limiting portion 34 and the second limiting portion 41 are staggered; in this way, the disassembly and assembly of the locking member 30 and the positioning member 40 can be facilitated, thereby improving the assembly efficiency.

[0050] In detail, the locking member 30 and the positioning member 40 can be assembled in the horizontal direction, the locking member 30 has a first limiting portion 34, and the positioning member 40 has a second limiting portion 41; the positioning member 40 can move in the up and down direction relative to the locking member 30 to move between the positioning position and the release position. When the positioning member 40 is in the positioning position, the first limiting portion 34 of the locking member 30 limits the second limiting portion 41 of the positioning member 40 to prevent the positioning member 40 from falling out of the locking member 30. When the positioning member 40 is in the release position, the locking member 30 0 is staggered with the second limiting portion 41 of the positioning member 40; in this way, during installation, the positioning member 40 can be assembled on the locking member 30, and the positioning member 40 can be moved to the positioning position under the action of the elastic member. At this time, under the cooperation of the first limiting portion 34 and the second limiting portion 41, the positioning member 40 can be stably installed on the locking member 30, and during disassembly, the elastic force of the elastic member can be overcome to drive the positioning member 40 to move to the release position, and the positioning member 40 can be removed from the locking member 30.

[0051] Reference Figures 1 to 8 In some embodiments of the utility model, the back component 10 has a first sleeve portion 13, and the head component 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 movably sleeved together; specifically, in combination with the aforementioned embodiments, a plurality of positioning grooves 11 are distributed in the up-down direction, and the height adjustment of the head component 20 relative to the back component 10 is achieved through the cooperation between the locking member 30 and the positioning groove 11. In order to further improve the stability of the adjustment, the back component 10 can have a first sleeve portion 13, and the head component 20 can have a second sleeve portion 21. The first sleeve portion 13 and the second sleeve portion 21 both extend in the up-down direction and are movably sleeved together, so that the first sleeve portion 13 and the second sleeve portion 21 can move relative to each other in the up-down direction, thereby improving the adjustment stability of the car child seat 100.

[0052] Reference Figures 1 to 8 In some embodiments of the present invention, the back component 10 has a first positioning portion 14, and the head component 20 has a second positioning portion 22. The first positioning portion 14 and the second positioning portion 22 extend in the up-down direction. The first positioning portion 14 and the second positioning portion 22 are plug-fitted and can be disengaged. This arrangement can improve the height adjustment stability of the car child seat 100.

[0053] Specifically, one of the first positioning portion 14 and the second positioning portion 22 can be constructed as a guide column, and the other can be constructed as a guide groove. The guide column can be detachably inserted into the guide groove, and the guide column and the guide groove both extend in the up-down direction. Through the cooperation of the guide column and the guide groove, the stability of the head component 20 moving relative to the back component 10 in the up-down direction can be improved.

[0054] In addition, in some specific examples, the head component 20 is connected to the locking member 30 via a fastener, which can be configured as the aforementioned first positioning portion 14, and a clearance groove is constructed on the back component 10, which can be configured as the aforementioned second positioning portion 22. In this way, when the head component 20 moves up and down relative to the back component 10, the clearance groove can give way to the fastener to avoid structural interference.

[0055] Reference Figures 1 to 7 In some embodiments of the utility model, one of the locking member 30 and the back assembly 10 is provided with a limit block 35, and the other is provided with a limit groove 15, the limit groove 15 extends in the up and down direction, and the limit block 35 is slidably disposed in the limit groove 15; in this way, the height adjustment stability of the car child seat 100 can be improved.

[0056] Specifically, the limit block 35 is slidably arranged in the limit groove 15, and the limit groove 15 extends in the up-down direction. The limit groove 15 can guide the limit block 35 to move stably in the up-down direction, so that the head component 20 can move stably in the up-down direction relative to the back component 10, thereby improving the adjustment stability of the car child seat 100.

[0057] Reference Figures 1 to 6 In some embodiments of the present invention, the positioning member 40 has a hand groove 42, and the hand groove 42 is suitable for the user to drive the positioning member 40 by hand; specifically, the user can place a finger in the hand groove 42, and overcome the elastic force of the elastic member through the hand groove 42, thereby driving the positioning member 40 to move to the release position, so that the user can adjust the height of the car child seat 100.

[0058] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot 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 invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0059] 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.

[0060] 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.

[0061] 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.

[0062] 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 back assembly (10), wherein the back assembly (10) is provided with a plurality of positioning grooves (11) distributed in an up-down direction; A head assembly (20), the head assembly (20) being connected to the back assembly (10) and movable in an up-and-down direction; A locking member (30), the locking member (30) being connected to the head assembly (20) and comprising a locking portion (31) detachably disposed in the positioning groove (11); A positioning member (40), wherein the positioning member (40) selectively abuts against the locking portion (31) to limit the locking portion (31) from escaping from the positioning groove (11).

2. The child car seat according to claim 1, characterized in that: The locking member (30) further comprises a main body (32) and an elastic part (33), wherein the main body (32) is arranged on the head assembly (20), the elastic part (33) is connected to the main body (32) and can be elastically deformed, and the locking part (31) is arranged on the elastic part (33).

3. The child car seat according to claim 1, characterized in that: The upper side wall surface (111) and the lower side wall surface (112) of the positioning groove (11) gradually expand in the direction from the groove bottom to the groove mouth; and / or the upper side surface and the lower side surface of the locking portion (31) gradually converge in the direction from the fixed end to the free end.

4. The child car seat according to claim 2, characterized in that: The positioning member (40) is movably arranged on the main body (32) and has a positioning position and a release position. In the positioning position, the positioning member (40) abuts against the locking portion (31), and in the release position, the positioning member (40) is away from the locking portion (31).

5. The child car seat according to claim 1, characterized in that: It also includes an elastic member, which is respectively connected to the locking member (30) and the positioning member (40) and has an elastic force for driving the positioning member (40) to move toward the locking portion (31).

6. The child car seat according to claim 5, characterized in that: The locking member (30) and the positioning member (40) are arranged to form an installation space (50), and the installation space (50) is suitable for the elastic member to be arranged therein.

7. The child car seat according to claim 4, characterized in that: The locking member (30) has a first limiting portion (34), and the positioning member (40) has a second limiting portion (41). In the positioning position, the first limiting portion (34) and the second limiting portion (41) are limited, and in the release position, the first limiting portion (34) and the second limiting portion (41) are staggered.

8. The child car seat according to claim 1, characterized in that: The back component (10) has a first sleeve connection portion (13), and the head component (20) has a second sleeve connection portion (21). The first sleeve connection portion (13) and the second sleeve connection portion (21) extend in the up-down direction and are movably sleeved and matched.

9. The child car seat according to claim 1, characterized in that: The back component (10) has a first positioning portion (14), and the head component (20) has a second positioning portion (22). The first positioning portion (14) and the second positioning portion (22) extend in the up-down direction. The first positioning portion (14) and the second positioning portion (22) are plug-fitted and detachable.

10. The child car seat according to claim 1, characterized in that: One of the locking member (30) and the back assembly (10) is provided with a limit block (35), and the other is provided with a limit groove (15), the limit groove (15) extends along the up-down direction, and the limit block (35) is slidably arranged in the limit groove (15); And / or, the positioning member (40) has a hand-locking groove (42), and the hand-locking groove (42) is suitable for a user to drive the positioning member (40) by hand.

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