Child car seat convenient to fold

Abstract

The utility model relates to the technical field of child car seats, in particular to a child car seat convenient to fold, which comprises a base, a backrest, a headrest, headrest side wings, side wing locking modules and side wing unlocking mechanisms. The headrest is movably arranged on the backrest and can move upwards or downwards relative to the backrest; the headrest side wings are hinged to the two sides of the headrest and can rotate relative to the headrest along hinge shafts so as to be unfolded or folded. The side wing locking module is arranged between the headrest and the headrest side wings so as to lock the headrest side wings and the headrest; the side wing unlocking mechanism is arranged between the headrest and the base or between the headrest and the backrest, and is used for driving the side wing locking module to be separated from the headrest side wing when the headrest moves downwards to a folding unlocking position so as to unlock the headrest side wing and the headrest. According to the child car seat convenient to fold, when the side wings of the headrest need to be folded, only the headrest needs to be moved downwards to the folding unlocking position, a user does not need to find or press the limiting piece, and operation is easy, convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to children's car seat technical field, specifically a children's car seat convenient to fold. BACKGROUND

[0002] In order to facilitate transportation and storage, children's car seat with foldable structure emerges as the times require, for example the patent of a kind of children's safety seat convenient to fold and store in the announcement No. CN220904772U, headrest side wing can be folded, backrest can be folded, and the use can meet the transportation and storage demand of user. However, the current children's car seat when folding headrest side wing, need user to find folding limit piece, through pressing limit piece to make headrest and headrest side wing remove limit, can only complete the folding of headrest side wing, for user, limit piece is small, not easy to find, and the contact area of finger and limit piece is small, it is more laborious and troublesome to operate. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of children's car seat convenient to fold, solve the problem of laborious and troublesome operation caused by the current children's car seat needs user to find and press limit piece to unlock and fold headrest side wing.

[0004] To solve the above problems, the utility model provides technical scheme as follows:

[0005] A kind of children's car seat convenient to fold, comprising:

[0006] Base;

[0007] Backrest, is located on the base;

[0008] Headrest, is movably arranged on the backrest, and can be moved up or down relative to the backrest;

[0009] Headrest side wing, is hinged to the two sides of the headrest, and can be rotated along the hinge shaft to unfold or fold relative to the headrest;

[0010] Side wing locking module, is located between the headrest and the headrest side wing, to lock the headrest side wing and the headrest;

[0011] Side wing unlocking mechanism, is located between the headrest and the base or between the headrest and the backrest, for when the headrest moves to a folding unlocking position, drive the side wing locking module to separate from the headrest side wing, to unlock the headrest side wing and the headrest.

[0012] A child car seat as described above, wherein the side wing unlocking mechanism comprises a driven assembly moving with the headrest, the driven assembly is operatively connected with the side wing locking module, when the headrest moves down to the folding unlocking position, the base or the backrest abuts against the driven assembly, which in turn drives the side wing locking module to disengage from the headrest side wing.

[0013] A child car seat as described above, wherein the base or the backrest is provided with a side wing unlocking block, the driven assembly comprises a pull rope, the pull rope connects the headrest and the side wing locking module, the pull rope is provided with a force receiving segment cooperating with the side wing unlocking block.

[0014] A child car seat as described above, wherein the base or the backrest is provided with a side wing unlocking block, the driven assembly comprises a pull rope and a driven module provided on the headrest, the pull rope connects the driven module and the side wing locking module, when the headrest moves down to the folding unlocking position, the side wing unlocking block abuts against the driven module to drive the driven module to pull the pull rope, which in turn drives the side wing locking module to disengage from the headrest side wing.

[0015] A child car seat as described above, wherein the driven module is a swing lever, the swing lever is hinged on the headrest, the swing lever has a force receiving end and a linkage end, the pull rope is connected with the linkage end of the swing lever, the side wing unlocking block is opposite to the force receiving end of the swing lever, so that when the side wing unlocking block abuts against the force receiving end of the swing lever, the swing lever is driven to rotate, thereby driving the pull rope to drive the side wing locking module to disengage from the headrest side wing.

[0016] A child car seat as described above, wherein the driven module is a sliding block, the sliding block is movably provided on the headrest, the side wing unlocking block is opposite to the sliding block, so that when the side wing unlocking block abuts against the sliding block, the sliding block is driven to move, thereby driving the pull rope to drive the side wing locking module to disengage from the headrest side wing.

[0017] A child car seat as described above, wherein the driven assembly comprises a pull rope guide, the pull rope guide is sleeved with and / or abuts against the pull rope to guide the movement path of the pull rope.

[0018] A child car seat as described above, wherein a second elastic member is provided between the headrest and the headrest side wing, the second elastic member has a tendency to drive the headrest side wing to rotate along the hinge shaft for folding.

[0019] A child car seat with a folding mechanism, the backrest is hinged to the base and can rotate relative to the base along the hinge axis to unfold or fold.

[0020] A child car seat with a folding mechanism, further comprising a backrest locking module and a backrest unlocking mechanism, the backrest locking module is arranged between the backrest and the base to lock the backrest and the base; the backrest unlocking mechanism is arranged on the headrest and is used to drive the backrest locking module to disengage from the backrest when the headrest moves to a folding unlocking position, so as to unlock the backrest and the base.

[0021] A child car seat with a folding mechanism, the backrest unlocking mechanism comprises a backrest unlocking top block, the backrest unlocking top block is arranged on the headrest and extends towards the backrest locking module.

[0022] A child car seat with a folding mechanism, the base is provided with a base connecting groove matched with one end of the backrest locking module, and the backrest is provided with a backrest connecting groove matched with the other end of the backrest locking module.

[0023] Or

[0024] The backrest is provided with a backrest connecting groove matched with the other end of the backrest locking module, and the backrest unlocking mechanism can be moved into the backrest connecting groove to drive the backrest locking module.

[0025] A child car seat with a folding mechanism, the base is provided with a base connecting groove matched with one end of the backrest locking module, and the base connecting groove and the backrest locking module are provided with a third elastic element, the third elastic element has a tendency to drive the backrest locking module to move towards the backrest.

[0026] A child car seat with a folding mechanism, the base and the backrest are provided with a fourth elastic element, the fourth elastic element has a tendency to drive the backrest or the base to rotate along the hinge axis to fold.

[0027] A child car seat with a folding mechanism, the backrest comprises a backrest body and a rotating seat, the backrest body is detachably connected with the rotating seat, and the rotating seat is hinged to the base.

[0028] Compared with the prior art, the utility model has the following advantages:

[0029] 1. The utility model provides a child car seat convenient to fold, when needing to fold headrest side wing, only need to move the headrest to the folding unlocking position, the side wing unlocking mechanism can drive the side wing locking module to separate from the headrest side wing, and the headrest side wing and the headrest are unlocked easily, need not to find or press the limiting piece of user, simple operation is convenient, and the folding efficiency is high.

[0030] 2. The utility model provides a child car seat convenient to fold, when needing to fold the child car seat, only need to move the headrest to the folding unlocking position, the side wing unlocking mechanism can drive the side wing locking module to separate from the headrest side wing, and the headrest side wing and the headrest are unlocked, simultaneously, the backrest unlocking mechanism can drive the backrest locking module to separate from the backrest, and the backrest and the base are unlocked, thereby, user can easily and quickly complete the synchronous folding of the headrest side wing and the backrest through single -handed single operation. ACCURATE DRAWINGS

[0031] In order to more clearly illustrate the technical scheme in the embodiment of the present application, the drawings needed in the embodiment description will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0032] Figure 1 It is a use state structure schematic drawing of the child car seat convenient to fold of the utility model embodiment.

[0033] Figure 2 It is a headrest side wing folding state structure schematic drawing of the child car seat convenient to fold of the utility model embodiment.

[0034] Figure 3 It is a headrest side wing and backrest folding state structure schematic drawing of the child car seat convenient to fold of the utility model embodiment.

[0035] Figure 4 It is a partial structure section view of the driven assembly including the pull rope of the child car seat convenient to fold of the utility model embodiment.

[0036] Figure 5 It is a partial structure section view of the driven assembly including the pull rope and driven module and the driven module is the slider of the child car seat convenient to fold of the utility model embodiment.

[0037] Figure 6 It is a partial structure section view of the driven assembly including the pull rope and driven module and the driven module is the slider of the child car seat convenient to fold of the utility model embodiment.

[0038] Figure 7 The headrest side wing of the child automobile seat convenient to fold is connected with the headrest and the side wing locking module Figure 1 .

[0039] Figure 8 The headrest side wing of the child automobile seat convenient to fold is connected with the headrest and the side wing locking module Figure 2 .

[0040] Figure 9 The child automobile seat convenient to fold is exploded Figure 1 .

[0041] Figure 10 The child automobile seat convenient to fold is exploded Figure 2 .

[0042] Figure 11 The structure diagram of the rotating seat of the child automobile seat convenient to fold.

[0043] Among them, the corresponding number of the sign is as follows:

[0044] 11, base; 110, base connecting groove; 21, backrest; 210, backrest connecting groove; 211, backrest body; 212, rotating seat; 22, backrest locking module; 23, backrest unlocking mechanism; 31, headrest; 310, headrest connecting groove; 311, rope passing hole; 312, guide groove; 32, headrest side wing; 320, side wing connecting groove; 33, side wing locking module; 34, driven assembly; 341, pull rope; 342, driven module; 343, pull rope guide; 35, side wing unlocking top block; 41, first elastic piece; 42, second elastic piece; 43, third elastic piece; 44, fourth elastic piece; 51, elastic clamping block; 52, clamping hole. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0046] Please refer to the drawings Figure 1 to the drawings Figure 11The embodiment provides a child car seat convenient to fold, which comprises a base 11, a backrest 21, a headrest 31, headrest side wings 32, a side wing locking module 33 and a side wing unlocking mechanism, the backrest 21 is arranged on the base 11, the headrest 31 is movably arranged on the backrest 21 and can move upwards or downwards relative to the backrest 21, the headrest side wings 32 are hinged to two sides of the headrest 31 and can rotate along the hinge shaft relative to the headrest 31 to unfold or fold, the side wing locking module 33 is arranged between the headrest 31 and the headrest side wings 32 to lock the headrest side wings 32 and the headrest 31, and the side wing unlocking mechanism is arranged between the headrest 31 and the base 11 or between the headrest 31 and the backrest 21 and is used for driving the side wing locking module 33 to be separated from the headrest side wings 32 when the headrest 31 moves to a folding unlocking position, so as to unlock the headrest side wings 32 and the headrest 31. The child car seat convenient to fold provided by the embodiment only needs to move the headrest 31 downwards to the folding unlocking position when the headrest side wings 32 need to be folded, the side wing unlocking mechanism can drive the side wing locking module 33 to be separated from the headrest side wings 32, the headrest side wings 32 and the headrest 31 are easily unlocked, the user does not need to search or press a limiting piece, the operation is simple and convenient, and the folding efficiency is high.

[0047] Specifically, the side wing unlocking mechanism comprises a driven assembly 34 which moves with the headrest 31, the driven assembly 34 is operatively connected with the side wing locking module 33, when the headrest 31 moves downwards to the folding unlocking position, the base 11 or the backrest 21 abuts against the driven assembly 34, and then drives the side wing locking module 33 to be separated from the headrest side wings 32. When the side wing locking module 33 is separated from the headrest side wings 32, the headrest side wings 32 and the headrest 31 are unlocked, the structure is simple and reasonable, and the operation is convenient and fast. In order to facilitate the user operation, preferably, when the headrest 31 moves downwards to the lowest position, the folding unlocking position is reached.

[0048] As shown in the accompanying drawings, Figures 4 to 7 The driven assembly 34 can be implemented through various different embodiments.

[0049] As one of the embodiments of the driven assembly 34, as shown in the accompanying drawings, Figure 4As shown, the base 11 or the backrest 21 is provided with a side wing unlocking top block 35, the driven assembly 34 includes a pull rope 341, the pull rope 341 is connected with the headrest 31 and the side wing locking module 33, and the pull rope 341 is provided with a stress section matched with the side wing unlocking top block 35. Correspondingly, the driven assembly 34 also includes a pull rope guide 343, the pull rope guide 343 is sleeved with and / or abuts against the pull rope 341 to guide the moving path of the pull rope 341. In the embodiment, the pull rope guide 343 includes a pull rope guide sleeve and a pull rope guide block, the pull rope guide sleeve is fixedly connected with the headrest 31, the pull rope 341 is sleeved in the pull rope guide sleeve and can move relative to the pull rope guide sleeve, the pull rope guide block is fixedly connected with the headrest 31, and the pull rope 341 abuts against the pull rope guide block. When the driven assembly 34 moves with the headrest 31 to the folding unlocking position, the side wing unlocking top block 35 abuts against the stress section on the pull rope 341 and pushes the stress section on the pull rope 341 to move upward, so as to drive the pull rope 341 to drive the side wing locking module 33 to be separated from the headrest side wing 32. The embodiment has simple structure and is convenient to implement.

[0050] As one of the embodiments of the driven assembly 34, the base 11 or the backrest 21 is provided with a side wing unlocking top block 35, the driven assembly 34 includes a pull rope 341 and a driven module 342 arranged on the headrest 31, the pull rope 341 is connected with the driven module 342 and the side wing locking module 33, and when the headrest 31 moves downward to the folding unlocking position, the side wing unlocking top block 35 abuts against the driven module 342 to drive the driven module 342 to pull the pull rope 341, so as to drive the side wing locking module 33 to be separated from the headrest side wing 32.

[0051] The driven module 342 can also be implemented through various different embodiments.

[0052] As one of the embodiments of the driven module 342, as shown in FIG. 6, the driven module 342 includes a driven block 3421 and a driven rod 3422, the driven block 3421 is fixedly connected with the headrest 31, the driven rod 3422 is connected with the pull rope 341, and the pull rope 341 is arranged in the driven rod 3422 and can move relative to the driven rod 3422. Figure 5As shown, the driven module 342 is a slider, which is movably arranged on the headrest 31, and the side wing unlocking top block 35 is opposite to the slider, so that the slider is driven to move when the side wing unlocking top block 35 abuts against the slider, thereby driving the pull rope 341 to drive the side wing locking module 33 to disengage from the headrest side wing 32. Correspondingly, the driven assembly 34 comprises a pull rope guide 343, which is sleeved with and / or abuts against the pull rope 341 to guide the moving path of the pull rope 341. In the embodiment, the pull rope guide 343 comprises a pull rope guide sleeve and a pull rope guide block, wherein the pull rope guide sleeve is fixedly connected with the headrest 31, the pull rope 341 is sleeved in the pull rope guide sleeve and can move relative to the pull rope guide sleeve, and the pull rope guide block is fixedly connected with the headrest 31 and abuts against the pull rope 341. The headrest 31 is provided with a sliding groove, and the slider is movably arranged in the sliding groove. When the driven assembly 34 moves with the headrest 31 to the folding unlocking position, the side wing unlocking top block 35 abuts against the slider and pushes the slider to move upward, thereby driving the pull rope 341 to drive the side wing locking module 33 to disengage from the headrest side wing 32.

[0053] As one of the embodiments of the driven module 342, as shown in Figure 6 and Figure 7 As shown, the driven module 342 is a swing lever, which is hingedly connected to the headrest 31, and the swing lever has a force receiving end and a linkage end, the pull rope 341 is connected with the linkage end of the swing lever, and the side wing unlocking top block 35 is opposite to the force receiving end of the swing lever, so that the swing lever is driven to rotate when the side wing unlocking top block 35 abuts against the force receiving end of the swing lever, thereby driving the pull rope 341 to drive the side wing locking module 33 to disengage from the headrest side wing 32. Correspondingly, the driven assembly 34 comprises a pull rope guide 343, which is sleeved with the pull rope 341 to guide the moving path of the pull rope 341. In the embodiment, the pull rope guide 343 comprises a pull rope guide sleeve, which is fixedly connected with the headrest 31 and sleeved with the pull rope 341 and can move relative to the pull rope guide sleeve. When the driven assembly 34 moves with the headrest 31 to the folding unlocking position, the side wing unlocking top block 35 abuts against the force receiving end of the swing lever and pushes the force receiving end of the swing lever to rotate upward, while the linkage end of the swing lever moves downward to pull the pull rope 341, thereby driving the side wing locking module 33 to disengage from the headrest side wing 32.

[0054] Further, as preferred, in some embodiments, the headrest 31 is provided with a guide groove 312, which can cooperate with the side wing unlocking top block 35 and provide a guiding effect for the side wing unlocking top block 35. When the headrest 31 moves downward to the folding unlocking position, the side wing unlocking top block 35 enters the guide groove 312 and continues to move along the guide groove 312 to abut against the driven assembly 34.

[0055] Specifically, in the embodiment, the headrest 31 is provided with a headrest connecting groove 310 matched with one end of the side wing locking module 33, the headrest side wing 32 is provided with a side wing connecting groove 320 matched with the other end of the side wing locking module 33, and the headrest 31 is further provided with a rope passing hole 311 communicated with the headrest connecting groove 310, and the pull rope 341 enters the headrest connecting groove 310 through the rope passing hole 311 and is connected with the side wing locking module 33. When one end of the side wing locking module 33 is arranged in the headrest connecting groove 310 and the other end of the side wing locking module 33 is arranged in the side wing connecting groove 320, the headrest side wing 32 and the headrest 31 are locked; when one end of the side wing locking module 33 is arranged in the headrest connecting groove 310 and the other end of the side wing locking module 33 exits the side wing connecting groove 320, the headrest side wing 32 and the headrest 31 are unlocked.

[0056] Further, the side wing locking module 33 is perpendicular to the hinge shaft of the headrest side wing 32 and the headrest 31. As a preferred, the hinge shaft of the headrest side wing 32 and the headrest 31 in the embodiment is arranged along the vertical direction, and the side wing locking module 33 is arranged along the horizontal direction. When the side wing locking module 33 moves along the horizontal direction to arrange one end of the side wing locking module 33 in the headrest connecting groove 310 and the other end of the side wing locking module 33 in the side wing connecting groove 320, the headrest side wing 32 and the headrest 31 are locked; when the side wing locking module 33 moves along the horizontal direction to exit the side wing connecting groove 320, the headrest side wing 32 and the headrest 31 are unlocked. Compared with the way of moving the side wing locking module 33 along the vertical direction and displacing the side wing locking module 33 with the headrest 31 to lock or unlock the headrest side wing 32 and the headrest 31, the embodiment can lock and unlock the headrest side wing 32 and the headrest 31 by moving the side wing locking module 33 along the horizontal direction, and the structure is simpler, and the one end of the side wing locking module 33 is arranged in the headrest connecting groove 310 and the other end of the side wing locking module 33 is arranged in the side wing connecting groove 320, which can effectively prevent the headrest side wing 32 from rotating relative to the headrest 31 and is conducive to maintaining the unfolded state of the headrest side wing 32 when the child car seat is used.

[0057] In order to further improve the stability of the locking structure of the headrest side wing 32 and the headrest 31, as a preferred, Figure 7 and Figure 8As shown, in some embodiments, a first elastic member 41 is arranged between the headrest connecting slot 310 and the side wing locking module 33, and the first elastic member 41 has a tendency to drive the side wing locking module 33 to move towards the side wing connecting slot 320. The first elastic member 41 is a spring member, and when the child car seat needs to be normally used, the headrest side wing 32 is first rotated relative to the headrest 31 along the hinge shaft to be opposite to the headrest connecting slot 310, at this time, the side wing locking module 33 enters the side wing connecting slot 320 under the elastic action of the first elastic member 41, so as to realize the locking of the headrest side wing 32 and the headrest 31, and then the side wing locking module 33 continues to maintain the state of being placed in the headrest connecting slot 310 at one end and being placed in the side wing connecting slot 320 at the other end under the elastic action of the first elastic member 41, so that the headrest side wing 32 and the headrest 31 can be kept in a stable locking state.

[0058] In order to further improve the folding convenience of the headrest side wing 32, as a preferred, in some embodiments, a second elastic member 42 is arranged between the headrest 31 and the headrest side wing 32, and the second elastic member 42 has a tendency to drive the headrest side wing 32 to rotate along the hinge shaft to be folded. The second elastic member 42 is a torsion spring, and when the headrest side wing 32 and the headrest 31 are unlocked, the headrest side wing 32 is rotated along the hinge shaft under the elastic action of the second elastic member 42, so as to be automatically folded, which is beneficial to improve the user experience.

[0059] In order to further improve the folding convenience, as a preferred, in some embodiments, the backrest 21 is hinged to the base 11 and can be rotated along the hinge shaft relative to the base 11 to be unfolded or folded. Thus, not only the headrest side wing 32 can be conveniently folded, but also the backrest 21 can be conveniently folded, so that the child car seat occupies a smaller space, and meets the transportation and storage requirements.

[0060] Further, in some embodiments, the folding child car seat further comprises a backrest locking module 22 and a backrest unlocking mechanism 23. The backrest locking module 22 is arranged between the backrest 21 and the base 11 to lock the backrest 21 and the base 11. The backrest unlocking mechanism 23 is arranged on the headrest 31 to drive the backrest locking module 22 to disengage from the backrest 21 when the headrest 31 is moved to a folding unlocking position, so as to unlock the backrest 21 and the base 11. When folding the child car seat, the headrest 31 only needs to be moved downward to the folding unlocking position, and the side wing unlocking mechanism can drive the side wing locking module 33 to disengage from the headrest side wing 32 to unlock the headrest side wing 32 and the headrest 31. At the same time, the backrest unlocking mechanism 23 can drive the backrest locking module 22 to disengage from the backrest 21 to unlock the backrest 21 and the base 11. Thus, the user can easily and quickly complete the synchronous folding of the headrest side wing 32 and the backrest 21 by single-handed single operation. In order to facilitate user operation, preferably, when the headrest 31 is moved downward to the lowest position, it reaches the folding unlocking position.

[0061] Further, preferably, in some embodiments, the backrest unlocking mechanism 23 comprises a backrest unlocking top block. The backrest unlocking top block is arranged on the headrest 31 and extends towards the backrest locking module 22. When the headrest 31 is moved downward, the backrest unlocking top block on the headrest 31 contacts and pushes the backrest locking module 22. When the headrest 31 is moved downward to the folding unlocking position, the backrest locking module 22 disengages from the backrest 21, and the backrest 21 and the base 11 are unlocked. The structure is simple and the operation is convenient. Preferably, the backrest unlocking top block is arranged at the bottom of the headrest 31.

[0062] Specifically, in some embodiments, the base 11 is provided with a base connecting groove 110 matched with one end of the backrest locking module 22, and the backrest 21 is provided with a backrest connecting groove 210 matched with the other end of the backrest locking module 22. When one end of the backrest locking module 22 is arranged in the base connecting groove 110 and the other end of the backrest locking module 22 is arranged in the backrest connecting groove 210, the backrest 21 and the base 11 are locked. When one end of the backrest locking module 22 is arranged in the base connecting groove 110 and the other end of the backrest locking module 22 exits the backrest connecting groove 210, the backrest 21 and the base 11 are unlocked.

[0063] Preferably, in some embodiments, the backrest unlocking top block is an elongated sheet-shaped top block, which has a large matching area with the base connecting groove 110 and the backrest connecting groove 210 and high stability.

[0064] In order to further improve the stability of the locking structure of the backrest 21 and the base 11, in some embodiments, a third elastic member 43 is arranged between the base connecting groove 110 and the backrest locking module 22, and the third elastic member 43 has a tendency to drive the backrest locking module 22 to move towards the backrest 21. In some embodiments, the third elastic member 43 is a spring. When the child car seat needs to be used normally, the backrest 21 is first rotated relative to the base 11 along the hinge shaft to the state that the backrest connecting groove 210 is opposite to the base connecting groove 110. At this time, the backrest locking module 22 enters the backrest connecting groove 210 under the elastic action of the third elastic member 43, so as to realize the locking of the backrest 21 and the base 11. Subsequently, the backrest locking module 22 continues to maintain the state that one end is arranged in the base connecting groove 110 and the other end is arranged in the backrest connecting groove 210 under the elastic action of the third elastic member 43, so that the backrest 21 and the base 11 can be kept in a stable locking state.

[0065] In some embodiments, the backrest 21 is provided with a backrest connecting groove 210 matched with the other end of the backrest locking module 22, and the backrest unlocking mechanism 23 can be moved into the backrest connecting groove 210 to drive the backrest locking module 22.

[0066] In order to further improve the convenience of folding the backrest 21, in some embodiments, a fourth elastic member 44 is arranged between the base 11 and the backrest 21, and the fourth elastic member 44 has a tendency to drive the backrest 21 or the base 11 to rotate along the hinge shaft to be folded. In some embodiments, the fourth elastic member 44 is a torsion spring. When the backrest 21 and the base 11 are unlocked, the backrest 21 or the base 11 rotates along the hinge shaft under the elastic action of the fourth elastic member 44, so as to be automatically folded, which is beneficial to improve the user experience.

[0067] In some embodiments, the backrest 21 includes a backrest body 211 and a rotating seat 212, which can be an integrally formed structure or a detachable structure. As preferred, the backrest body 211 and the rotating seat 212 are detachably connected, and the rotating seat 212 is hinged to the base 11. The backrest body 211 can be detached for cleaning or replacement, which is more convenient to use. In addition, when the child car seat needs to be carried, the backrest body 211 can be detached to reduce the weight of single carrying, which is beneficial to improve the user experience.

[0068] Further, as preferred, in some embodiments, an elastic clamping block 51 is arranged on either of the backrest body 211 and the rotating seat 212, and a clamping hole 52 is arranged on the other of the backrest body 211 and the rotating seat 212. When disassembly is needed, the elastic clamping block 51 is pressed to make the elastic clamping block 51 disengage from the clamping hole 52, and then the backrest body 211 is moved to disengage from the rotating seat 212. The detachable connection of the backrest body 211 and the rotating seat 212 in the embodiments is realized by the cooperation of the elastic clamping block 51 and the clamping hole 52, which is simple in structure and convenient to disassemble and assemble.

[0069] In addition, as preferred, in some embodiments, the side wing unlocking top block 35 is arranged on the backrest 21, and when the backrest 21 is folded relative to the base 11, the headrest 31 moves correspondingly with the rotation of the backrest 21. If the side wing unlocking top block 35 is arranged on the backrest 21, the side wing unlocking top block 35 can keep abutting against the driven assembly 34 when the backrest 21 rotates, that is, the headrest side wing 32 and the headrest 31 can keep in the unlocked state, which is beneficial to the synchronous folding of the headrest side wing 32 when the backrest 21 is folded.

[0070] Further, for the embodiments in which the backrest 21 comprises a backrest body 211 and a rotating seat 212 and the backrest body 211 is detachably connected with the rotating seat 212, as preferred, the side wing unlocking top block 35 is arranged on the rotating seat 212, and the backrest connecting groove 210 is also arranged on the rotating seat 212, which is simple in structure.

[0071] It should be understood that the terms "first", "second", etc. are used in the present application to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present application, the "first" information can also be referred to as "second" information, and similarly, the "second" information can also be referred to as "first" information. In addition, the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0072] The above describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and modifications can be made without departing from the principles of the present application, and these improvements and modifications are also considered within the protection scope of the present application.

Claims

1. A child car seat that is easy to fold, characterized in that, include: Base (11); A backrest (21) is provided on the base (11); The headrest (31) is movably mounted on the backrest (21) and can move up or down relative to the backrest (21); The headrest side wings (32) are hinged to both sides of the headrest (31) and can rotate relative to the headrest (31) along the hinge axis to unfold or fold. A side wing locking module (33) is provided between the headrest (31) and the headrest side wing (32) to lock the headrest side wing (32) and the headrest (31); The side wing unlocking mechanism is located between the headrest (31) and the base (11) or between the headrest (31) and the backrest (21). When the headrest (31) moves to a folded unlocking position, it drives the side wing locking module (33) to disengage from the headrest side wing (32) so as to unlock the headrest side wing (32) and the headrest (31).

2. A child car seat that is easy to fold according to claim 1, characterized in that, The side wing unlocking mechanism includes a driven component (34) that moves with the headrest (31). The driven component (34) is operably connected to the side wing locking module (33). When the headrest (31) moves down to the folded unlocking position, the base (11) or the backrest (21) abuts against the driven component (34), thereby causing the side wing locking module (33) to disengage from the headrest side wing (32).

3. A child car seat that is easy to fold according to claim 2, characterized in that, The base (11) or the backrest (21) is provided with a side wing unlocking top block (35), and the driven component (34) includes a pull rope (341). The pull rope (341) connects the headrest (31) and the side wing locking module (33). The pull rope (341) is provided with a force-bearing section that cooperates with the side wing unlocking top block (35).

4. A child car seat that is easy to fold according to claim 2, characterized in that, The base (11) or the backrest (21) is provided with a side wing unlocking top block (35). The driven component (34) includes a pull rope (341) and a driven module (342) provided on the headrest (31). The pull rope (341) connects the driven module (342) and the side wing locking module (33). When the headrest (31) moves down to the folded unlocking position, the side wing unlocking top block (35) abuts against the driven module (342) to drive the driven module (342) to pull the pull rope (341), thereby driving the side wing locking module (33) to disengage from the headrest side wing (32).

5. A child car seat that is easy to fold according to claim 4, characterized in that, The driven module (342) is a swing arm, which is hinged to the headrest (31). The swing arm has a force-bearing end and a linkage end. The pull rope (341) is connected to the linkage end of the swing arm. The side wing unlocking top block (35) is opposite to the force-bearing end of the swing arm so that when the side wing unlocking top block (35) abuts against the force-bearing end of the swing arm, it drives the swing arm to rotate, thereby driving the pull rope (341) to drive the side wing locking module (33) to disengage from the headrest side wing (32).

6. A child car seat that is easy to fold according to claim 4, characterized in that, The driven module (342) is a slider, which is movably mounted on the headrest (31). The side wing unlocking top block (35) is opposite to the slider, so that when the side wing unlocking top block (35) abuts against the slider, it drives the slider to move, thereby driving the pull rope (341) to drive the side wing locking module (33) to disengage from the headrest side wing (32).

7. A foldable child car seat according to any one of claims 3-6, characterized in that, The driven component (34) includes a pull cord guide (343) that engages and / or abuts against the pull cord (341) to guide the movement path of the pull cord (341).

8. A child car seat that is easy to fold according to claim 1, characterized in that, A second elastic element (42) is provided between the headrest (31) and the headrest side wing (32), and the second elastic element (42) has the tendency to drive the headrest side wing (32) to rotate along the hinge axis to fold.

9. A child car seat that is easy to fold according to claim 1, characterized in that, The backrest (21) is hinged to the base (11) and can rotate relative to the base (11) along the hinge axis to unfold or fold.

10. A child car seat that is easy to fold up according to claim 9, characterized in that, It also includes a backrest locking module (22) and a backrest unlocking mechanism (23). The backrest locking module (22) is located between the backrest (21) and the base (11) to lock the backrest (21) and the base (11). The backrest unlocking mechanism (23) is located on the headrest (31) and is used to drive the backrest locking module (22) to disengage from the backrest (21) when the headrest (31) moves to a folded unlock position, so as to unlock the backrest (21) and the base (11).

11. A child car seat that is easy to fold up according to claim 10, characterized in that, The backrest unlocking mechanism (23) includes a backrest unlocking top block, which is disposed on the headrest (31) and extends toward the backrest locking module (22).

12. A child car seat that is easy to fold up according to claim 10, characterized in that, The base (11) is provided with a base connecting groove (110) that cooperates with one end of the backrest locking module (22), and the backrest (21) is provided with a backrest connecting groove (210) that cooperates with the other end of the backrest locking module (22). or The backrest (21) is provided with a backrest connection groove (210) that cooperates with the other end of the backrest locking module (22). The backrest unlocking mechanism (23) can be moved into the backrest connection groove (210) to drive the backrest locking module (22).

13. A child car seat that is easy to fold up according to claim 10, characterized in that, The base (11) is provided with a base connecting groove (110) that cooperates with one end of the backrest locking module (22). A third elastic element (43) is provided between the base connecting groove (110) and the backrest locking module (22). The third elastic element (43) has the tendency to drive the backrest locking module (22) to move in the direction of entering the backrest (21).

14. A child car seat that is easy to fold up according to claim 9, characterized in that, A fourth elastic element (44) is provided between the base (11) and the backrest (21), and the fourth elastic element (44) has the tendency to drive the backrest (21) or the base (11) to rotate along the hinge axis to fold.

15. A foldable child car seat according to claim 1 or 9, characterized in that, The backrest (21) includes a backrest body (211) and a rotating seat (212). The backrest body (211) and the rotating seat (212) are detachably connected. The rotating seat (212) is hinged to the base (11).

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