Baby carrier

Abstract

The present invention relates to a baby carrier comprising an armrest mount, a seat mount, a connecting mount, a first locking mechanism, and a frame assembly. The armrest mount, seat mount, and connecting mount are coaxially pivotally connected, the connecting mount being connected to the frame assembly. The first locking mechanism has a locked state and a released state. Rotation of the armrest mount causes the first locking mechanism to transition from the locked state to the released state. When the first locking mechanism is in the locked state, the seat mount and the connecting mount are relatively fixed. When the first locking mechanism is in the released state, the seat mount and the connecting mount rotate relative to each other. This baby carrier allows for better control over the folding process of the seat and frame assembly, resulting in ease of use and enhanced safety.

Description

Technical Field

[0001] The present invention relates to the technical field of carriers, and in particular to a baby carrier. Background Art

[0002] Infant carriers currently on the market, such as strollers, typically fold the seat along with the frame assembly to reduce the overall volume. This typically releases the seat lock when the backrest is folded, allowing the seat to rotate relative to the frame assembly. However, this approach can cause the seat to fold unexpectedly when the backrest is adjusted. Some infant carriers also require the backrest to be folded to a certain angle before a separate operating element is operated to release the seat lock. However, with this approach, the release element for backrest adjustment and the operating element are the same part, making manufacturing difficult. This can lead to the seat unlocking when the backrest is folded, resulting in inconvenience. Summary of the Invention

[0003] The present invention provides a baby carrier, wherein the folding process of the seat and frame components of the baby carrier can be well controlled, the baby carrier is easy to use, and the safety is higher.

[0004] A baby carrier comprises an armrest fixing seat, a seat fixing seat, a connecting fixing seat, a first locking mechanism and a frame assembly, wherein the armrest fixing seat, the seat fixing seat and the connecting fixing seat are coaxially pivoted, the connecting fixing seat is connected to the frame assembly, the first locking mechanism has a locked state and a released state, and rotation of the armrest fixing seat causes the first locking mechanism to be converted from the locked state to the released state, wherein when the first locking mechanism is in the locked state, the seat fixing seat and the connecting fixing seat are relatively fixed, and when the first locking mechanism is in the released state, the seat fixing seat and the connecting fixing seat rotate relative to each other.

[0005] In the above-mentioned baby carrier, the armrest mount, seat mount, and connecting mount are coaxially pivotally connected in sequence, and the armrest mount and seat mount are fixed to the frame assembly via the connecting mount. That is, when the armrest support rod and the seat support rod are connected to the armrest mount and the seat mount, respectively, the armrest support rod and the seat support rod are fixed to the frame assembly. The first locking mechanism can be used to control the relative fixation and relative rotation between the seat mount and the connecting mount, that is, to control the relative fixation and relative rotation between the seat support rod and the frame assembly. When it is necessary to fold the baby carrier, rotating the armrest mount can convert the first locking mechanism from a locked state to a released state, that is, the lock between the seat support rod and the frame assembly is released, and the seat support rod can be rotated and folded, that is, the entire seat can be folded, making the overall volume of the baby carrier smaller after folding. Compared with the traditional method of linking the folding seat support rod with the backrest support rod, the method of rotating the armrest fixing seat (i.e., rotating the armrest support rod) to link the folding seat can better control the process, is convenient to use, and can avoid the situation where the seat support rod is released by directly folding the backrest support rod, thus having a higher safety factor.

[0006] In one embodiment, the first locking mechanism includes a first locking member and a first locking groove that cooperate to lock with each other, the first locking member is provided on one of the connecting fixing seat and the seat fixing seat, and the first locking groove is provided on the other of the connecting fixing seat and the seat fixing seat, and the armrest fixing seat is rotated to disengage the first locking member from the first locking groove.

[0007] In one embodiment, the first locking mechanism includes a first locking member and a first locking groove that cooperate and lock with each other, the first locking member is provided on the connecting fixing seat and moves back and forth in a direction approaching or away from the seat fixing seat, the first locking groove is provided on the seat fixing seat, and the armrest fixing seat is rotated to cause the first locking member to move in a direction away from the seat fixing seat so that the first locking member and the first locking groove are disengaged.

[0008] In one embodiment, the first locking mechanism further includes a driving member, and the armrest fixing seat rotates to drive the driving member to push the first locking member away from the seat fixing seat to disengage from the first locking groove.

[0009] In one embodiment, the armrest fixing seat has a first push-pushing inclined surface, one end of the driving member has a second push-pushing inclined surface matching the first push-pushing inclined surface, and the other end of the driving member is in contact with the first locking member.

[0010] In one embodiment, the first locking mechanism further includes a first elastic member, the two ends of which respectively abut against the first locking member and the connecting fixing seat, and the first elastic member causes the first locking member to constantly move toward the first locking groove.

[0011] In one embodiment, the first locking member is a gear, and the first locking groove is a gear groove that matches the gear.

[0012] In one embodiment, the infant carrier further includes a second locking mechanism and a first frame fixing seat and a second frame fixing seat pivotally connected to each other, the second locking mechanism having a locked state and a released state, and the armrest fixing seat is rotated to convert the second locking mechanism from the locked state to the released state, wherein, when the second locking mechanism is in the locked state, the first frame fixing seat and the second frame fixing seat are relatively fixed, and when the second locking mechanism is in the released state, the first frame fixing seat and the second frame fixing seat rotate relative to each other.

[0013] In one embodiment, the second locking mechanism includes a second locking piece, a second locking groove and a third locking groove. The second locking groove is provided on the first frame fixing seat, and the third locking groove is provided on the second frame fixing seat. The second locking groove is locked with the second locking groove and the third locking groove at the same time. The armrest fixing seat rotates to drive the second locking piece to disengage from one of the second locking groove and the third locking groove, so that the second locking mechanism is converted from a locked state to a released state.

[0014] In one embodiment, the second locking mechanism further includes a frame release member mounted on the first frame fixing seat, the frame release member including a release body and a release protrusion connected to each other, the release body being provided on a side of the first frame fixing seat facing away from the second frame fixing seat, the first frame fixing seat being provided with a release hole, the release protrusion passing through the release hole and abutting against the second locking member, and the armrest fixing seat being rotated so that the release protrusion pushes the second locking member out of the second locking groove.

[0015] In one embodiment, the first locking mechanism includes a first locking member and a first locking groove that cooperate with each other to lock, the first locking member is provided on the connecting fixing seat and reciprocates in a direction approaching or away from the seat fixing seat, the first locking groove is provided on the seat fixing seat, and the second locking mechanism also includes a pushing member, the pushing member is fixed on the first locking member, and a pushing hole is provided on the connecting fixing seat. The armrest fixing seat rotates to drive the first locking member to move in a direction away from the seat fixing seat, so that the pushing member passes through the pushing hole to push the frame release member.

[0016] In one embodiment, the second locking mechanism includes a frame release member and a push member, the frame release member is mounted on the first frame fixing seat, and the armrest fixing seat rotates to drive the push member to push the frame release member to release the second locking mechanism.

[0017] In one embodiment, the second locking mechanism further includes a second elastic member, two ends of which respectively abut against the second locking member and the second frame fixing seat, and the second elastic member causes the second locking member to constantly move toward the second locking groove.

[0018] In one embodiment, the connection fixing seat and the first frame fixing seat are detachably connected.

[0019] In one embodiment, the connection fixing seat is provided with a clamping piece, and the first frame fixing seat is provided with a clamping hole matched with the clamping piece.

[0020] In one embodiment, the connection fixing seat further includes a connection releasing member, and the connection releasing member is driven to cause the engaging member to contract in a direction away from the first frame fixing seat and disengage from the engaging hole.

[0021] In one embodiment, the baby carrier further includes a backrest fixing seat and a third locking mechanism, wherein the armrest fixing seat, the backrest fixing seat, the seat fixing seat and the connected fixing seat are coaxially pivoted, and the backrest fixing seat is rotated to a first position relative to the armrest fixing seat, and the armrest fixing seat and the seat fixing seat are locked by the third locking mechanism; when the backrest fixing seat is rotated to a second position relative to the armrest fixing seat, the third locking mechanism releases the lock of the armrest fixing seat and the seat fixing seat.

[0022] In one embodiment, the third locking mechanism includes a first locking portion provided on the armrest fixing seat and a second locking portion provided on the seat fixing seat. When the backrest fixing seat is rotated to a first position relative to the armrest fixing seat, the first locking portion is locked and engaged with the second locking portion. When the backrest fixing seat is rotated to a second position relative to the armrest fixing seat, the first locking portion is released from engagement with the second locking portion.

[0023] In one embodiment, the first locking portion is a snap block provided on the armrest fixing seat, and the second locking portion is a snap groove provided on the seat fixing seat and matched with the snap block.

[0024] In one embodiment, the baby carrier further includes a backrest fixing seat and a fourth locking mechanism, wherein the fourth locking mechanism locks the armrest fixing seat and the seat fixing seat; the backrest fixing seat is rotated to a second position relative to the armrest fixing seat, and the fourth locking mechanism is operated to allow the armrest fixing seat and the seat fixing seat to rotate relative to each other.

[0025] In one embodiment, the fourth locking mechanism includes a third locking portion provided on the armrest fixing seat and a fourth locking portion provided on the seat fixing seat, and the third locking portion is operated to cooperate with the fourth locking portion to lock or unlock, or the fourth locking portion is operated to cooperate with the third locking portion to lock or unlock.

[0026] In one embodiment, the third locking portion is a locking pin movably provided on the armrest fixing seat, and the fourth locking portion is a fourth locking groove provided on the seat fixing seat and cooperating with the locking pin.

[0027] In one embodiment, the baby carrier further includes an armrest support rod and a seat support rod, wherein the armrest support rod and the seat support rod are connected to the armrest fixing seat and the seat fixing seat respectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 1 is a schematic diagram of the mechanism of a baby carrier according to an embodiment of the present invention, wherein the baby carrier is in an unfolded state;

[0029] Figure 2 for Figure 1 The infant carrier shown in FIG is a partial structural diagram omitting the seat assembly;

[0030] Figure 3 for Figure 2 Exploded diagram;

[0031] Figure 4 for Figure 1 The baby carrier shown in FIG is a schematic diagram omitting part of the frame assembly;

[0032] Figure 5 for Figure 4 Schematic diagram of the structure from another perspective;

[0033] Figure 6 for Figure 4 A schematic diagram of the structure from another perspective;

[0034] Figure 7 for Figure 4 Partial exploded view;

[0035] Figure 8 for Figure 7 A magnified view of point A;

[0036] Figure 9 for Figure 4 A partially exploded view of the structure shown in another state, in which the infant carrier is in a partially collapsed state;

[0037] Figure 10 for Figure 9 Enlarged view of point B;

[0038] Figure 11 for Figure 9 Side view of

[0039] Figure 12 for Figure 9 Another partially exploded view of the structure shown;

[0040] Figure 13 for Figure 12 Enlarged view of point C;

[0041] Figure 14 for Figure 4 Partial exploded view;

[0042] Figure 15 for Figure 14 Enlarged view of point D;

[0043] Figure 16 for Figure 6 Exploded diagram;

[0044] Figure 17 for Figure 16 Enlarged view of point G;

[0045] Figure 18 for Figure 17 A schematic structural diagram of the armrest fixing seat in the structure shown;

[0046] Figure 19 for Figure 17 A schematic structural diagram of the connecting fixing seat and the first locking member in the structure shown;

[0047] Figure 20 for Figure 17 A schematic structural diagram of the connecting and fixing base in the structure shown in another perspective;

[0048] Figure 21 for Figure 1 A side view of the infant carrier shown in FIG, wherein the infant carrier is in the unfolded position;

[0049] Figure 22 for Figure 1 A side view of the infant carrier shown in FIG, wherein the infant carrier is in a partially collapsed position;

[0050] Figure 23 for Figure 1 A side view of the infant carrier shown in FIG, wherein the infant carrier is in a folded position;

[0051] Figure 24 for Figure 21 MM cross-sectional view;

[0052] Figure 25 for Figure 24 Enlarged view of point E;

[0053] Figure 26 for Figure 21 The infant carrier shown in FIG is a partial structural diagram omitting the seat assembly;

[0054] Figure 27 for Figure 26 NN cross-sectional view;

[0055] Figure 28 for Figure 27 Enlarged view of point F.

[0056] Description of Reference Numerals

[0057] 110. Seat assembly, 111. Armrest support rod, 112. Back support rod, 113. Seat support rod, 114. Armrest cross bar, 120. Frame assembly, 121. Rider support rod, 122. Front foot support member, 123. Rear foot support member, 124. U-shaped linkage rod, 124a. Linkage cross bar, 124b. Linkage side rod, 200. Armrest fixing seat, 210. First main body, 211. Mounting channel, 212. Limiting column, 213. Mounting groove, 220. First connecting portion, 230. First push-pushing inclined surface, 300. Backrest fixing Seat, 310, second main body, 311, first through-hole, 312, guide rail groove, 320, second connecting portion, 400, seat fixing seat, 410, third main body, 411, locking boss, 412, second through-hole, 420, third connecting portion, 500, connecting fixing seat, 510, fourth main body, 511, connecting groove, 512, engaging member, 513, connecting release member, 514, push hole, 520, mounting shaft, 600, first frame fixing seat, 610, fifth main body, 611, connecting rib, 612, engaging hole, 613 , release hole, 620, fifth connecting portion, 700, second frame fixing seat, 710, sixth main body, 720, sixth connecting portion, 810, first locking mechanism, 811, first locking member, 812, first locking groove, 813, driving member, 813a, second push inclined surface, 813b, driving protrusion, 814, first elastic member, 820, second locking mechanism, 821, second locking member, 822, second locking groove, 823, third locking groove, 824, frame release member, 824a, release body, 824b, release protrusion, 82 5. Push member, 825a. Push rib, 826. Second elastic member, 830. Fourth locking mechanism, 831. Locking pin, 831a. Limiting hole, 831b. Through hole, 832. Fourth locking groove, 833. Fourth elastic member, 834. Operating member, 840. Third locking mechanism, 841. Engaging block, 841a. Engaging portion, 841b. Guide column, 841c. Mounting platform, 841d. Abutment portion, 841e. Protrusion, 842. Engaging groove, 843. Third elastic member, 850. Fifth locking mechanism, 851. Back-release member. DETAILED DESCRIPTION

[0058] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and do not limit the scope of protection of the present invention.

[0059] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly attached to the other component or there may be a central component. When a component is referred to as being "connected to" another component, it may be directly connected to the other component or there may be a central component. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0060] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0061] like Figure 1 As shown, an embodiment of the present invention provides a baby carrier, such as a baby stroller, in which the folding of the seat relative to the frame can be well controlled, making the carrier convenient to use and safer.

[0062] Specifically, if Figure 1 、 Figure 3 、 Figure 8 and Figure 13 As shown, the baby stroller includes a seat assembly 110, a frame assembly 120, an armrest fixing seat 200, a backrest fixing seat 300, a seat fixing seat 400, a connecting fixing seat 500, a first frame fixing seat 600, a second frame fixing seat 700, a first locking mechanism 810, a second locking mechanism 820, a third locking mechanism 840, a fourth locking mechanism 830 and a fifth locking mechanism 850.

[0063] Specifically, if Figures 1 to 6 As shown, the seat assembly 110 includes an armrest support rod 111, a backrest support rod 112, a seat support rod 113, and an armrest crossbar 114. The armrest crossbar 114 is arranged horizontally in front of the seat assembly 110 for the baby to grasp. The armrest support rod 111 is connected to both ends of the armrest crossbar 114. The backrest support rod 112 and the backrest body (not shown in the drawings) covered by the backrest support rod 112 form a backrest for supporting the baby's back. The seat support rod 113 and the seat body (not shown in the drawings) covered by the seat support rod 113 form a seat for supporting the baby's buttocks. The frame assembly 120 includes a rider support rod 121, a front leg support rod 122, a rear leg support rod 123, and a U-shaped connecting rod 124. The seat assembly 110 and the frame assembly 120 are detachably connected.

[0064] Specifically, if Figure 1 、 Figure 16 and Figure 17 As shown, the armrest fixing seat 200, the backrest fixing seat 300, the seat fixing seat 400 and the connection fixing seat 500 are coaxially pivoted in sequence.

[0065] The armrest fixing seat 200 includes a first main body portion 210 and a first connecting portion 220 connected to each other. The first main body portion 210 is substantially disc-shaped, and the first connecting portion 220 is substantially sleeve-shaped and can be used to be sleeved and fixed with the armrest support rod 111.

[0066] The backrest fixing seat 300 includes a second main body portion 310 and a second connecting portion 320 connected to each other. The second main body portion 310 is roughly annular, that is, a roughly circular first through-hole 311 is formed in the middle of the second main body portion 310. The second connecting portion 320 is roughly sleeve-shaped and is used to be sleeved and fixed with the backrest support rod 112.

[0067] The seat fixing base 400 includes a third main portion 410 and a third connecting portion 420 that are interconnected. The third main portion 410 is generally truncated cone-shaped. A locking boss 411 is formed on the side of the third main portion 410 that faces the backrest fixing base 300. A second, generally circular, insertion opening 412 is formed in the middle of the locking boss 411. The second insertion opening 412 is located opposite the first insertion opening 311. The third connecting portion 420 is generally sleeve-shaped and is configured to be securely connected to the seat support rod 113.

[0068] Please refer to Figure 19 and Figure 20 The connecting fixing seat 500 is fixed on the frame assembly 120. The connecting fixing seat 500 includes a fourth main body portion 510 that is roughly disc-shaped and a mounting shaft 520 fixed to the middle of the fourth main body portion 510. The seat fixing seat 400, the backrest fixing seat 300 and the armrest fixing seat 200 are sequentially sleeved on the mounting shaft 520 to achieve coaxial pivot connection.

[0069] In this embodiment, the first connecting portion 220, the second connecting portion 320 and the third connecting portion 420 are respectively mounted and fixed on the armrest support rod 111, the backrest support rod 112 and the seat support rod 113. They can also be connected to the armrest support rod 111, the backrest support rod 112 and the seat support rod 113 respectively in other ways, such as being fixed by pins, or being integrally formed with the armrest support rod 111, the backrest support rod 112 and the seat support rod 113 respectively.

[0070] Furthermore, if Figure 3As shown, the U-shaped linkage rod 124 includes a linkage crossbar 124a and two linkage sidebars 124b connected to the ends of the linkage crossbar 124a. A rider support rod 121, a front foot support rod 122, and a rear foot support rod 123 are provided on both sides of the seat assembly 110. The rider support rod 121 and the front foot support rod 122 on the same side of the seat assembly 110 are pivotally connected to each other. The rear foot support rod 123 is also pivotally connected to the rider support rod 121. The rear foot support rod 123 is connected to the front foot support rod 122 via one of the linkage sidebars 124b, enabling the rear foot support rod 123 and the front foot support rod 122 to be folded and retracted in a coordinated manner.

[0071] Furthermore, if Figures 1 to 3 As shown, the first frame fixing seat 600 and the second frame fixing seat 700 are pivotally connected to each other, and the first frame fixing seat 600 and the connecting fixing seat 500 are detachably connected. The first frame fixing seat 600 includes a fifth main body 610 and a fifth connecting portion 620 connected to each other, the fifth main body 610 is roughly disc-shaped, and the fifth connecting portion 620 is roughly sleeve-shaped. The second frame fixing seat 700 includes a sixth main body 710 and a sixth connecting portion 720 connected to each other, the sixth main body 710 is roughly disc-shaped, and the sixth connecting portion 720 is roughly sleeve-shaped. Please refer to Figure 4 The fifth main body portion 610 has a connecting rib 611 on one side. A connecting groove 511 that mates with the connecting rib 611 is provided on the side of the connecting base 500 facing away from the seat mount 400, specifically on the side of the fourth main body portion 510 facing away from the third main body portion 410. A locking hole 612 is provided on one side of the fifth main body portion 610. A locking member 512 that mates with the locking hole 612 is provided on the side of the connecting base 500 facing away from the seat mount 400, specifically on the side of the fourth main body portion 510 facing away from the third main body portion 410. The connecting base 500 also has a connection release member 513 (e.g., a pressing member). The connection release member 513 can be driven to retract the locking member 512 away from the first frame mount 600 and disengage the locking member 512. This allows for a detachable connection between the first frame mount 600 and the connecting base 500. Of course, the positions of the connecting ribs 611 and the connecting grooves 511 can be interchanged, as can the positions of the engaging holes 612 and the engaging members 512. In this embodiment, the first frame mount 600 and the second frame mount 700 can be respectively secured to the front foot support member 122 and the rider support rod 121 via the fifth connecting portion 620 and the sixth connecting portion 720, or connected to the rider support rod 121 and the front foot support member 122 respectively via other means, or can be integrally formed with the rider support rod 121 and the front foot support member 122 respectively. Of course, in other embodiments, the reverse can be employed, with the first frame mount 600 and the second frame mount 700 being respectively secured to the rider support rod 121 and the front foot support member 122.

[0072] like Figures 12 to 15 As shown, the first locking mechanism 810 has a locked state and a released state. Rotating the armrest mount 200 can convert the first locking mechanism 810 from the locked state to the released state. When the first locking mechanism 810 is in the locked state, the seat mount 400 and the connecting mount 500 are relatively fixed. When the first locking mechanism 810 is in the released state, the seat mount 400 and the connecting mount 500 can rotate relative to each other. Thus, when the baby carrier needs to be folded, rotating the armrest mount 200 can convert the first locking mechanism 810 from the locked state to the released state, thereby releasing the lock between the seat assembly 110 and the frame assembly 120, allowing the seat assembly 110 to rotate and fold, reducing the overall size of the folded baby carrier. This method of rotating the armrest mount 200 (i.e., rotating the armrest support rod 111) to fold the seat assembly in a linked manner allows for better process control, ease of use, and a higher safety factor.

[0073] Specifically, if Figures 12 to 15 The first locking mechanism 810 includes a first locking member 811 and a first locking groove 812 that can interlock with each other. The first locking member 811 is disposed on the connecting base 500. Specifically, the first locking member 811 can be sleeved onto the mounting shaft 520. The first locking member 811 can only reciprocate in a direction toward or away from the seat fixing base 400. In other words, the first locking member 811 cannot rotate about the mounting shaft 520 and can only reciprocate axially along the mounting shaft 520. The first locking groove 812 is disposed on the side of the seat fixing base 400 facing the connecting base 500. In this embodiment, the first locking member 811 is a gear, and the first locking groove 812 is a gear groove that can mate with the gear. Of course, in other embodiments, the first locking member 811 and the first locking groove 812 may also have other shapes. Rotation of the armrest fixing base 200 can disengage the first locking member 811 from the first locking groove 812. In this way, the lock between the connecting fixing base 500 and the seat fixing base 400 can be released by rotating the armrest fixing base 200, and the structure is simple and easy to implement.

[0074] Furthermore, if Figure 13 As shown, the first locking mechanism 810 further includes a driving member 813. The driving member 813 is sleeved on the mounting shaft 520. Figure 10 and Figure 17 , specifically, it can be located in the accommodation space formed by the first through-hole 311 and the second through-hole 412. The rotation of the armrest fixing seat 200 can cause the driving member 813 to push the first locking member 811 away from the seat fixing seat 400 to disengage from the first locking groove 812. Please refer to Figure 18Specifically, a first resisting inclined surface 230 can be provided on the armrest fixing seat 200. The driving member has a generally cylindrical shape. A second resisting inclined surface 813a that can cooperate with the first resisting inclined surface 230 is provided at one end of the driving member 813. The other end of the driving member 813 resists the first locking member 811. More specifically, a driving protrusion 813b can be provided at the other end of the driving member 813, and the driving protrusion 813b resists the first locking member 811. In this way, when the armrest fixing seat 200 is rotated, the first resisting inclined surface 230 rotates and resists the axial movement of the second resisting inclined surface 813a, that is, resists the axial movement of the driving member 813. The driving member 813 then resists the first locking member 811, and the first locking member 811 disengages from the first locking groove 812, thereby unlocking the seat fixing seat 400 and the connecting fixing seat 500.

[0075] Furthermore, if Figures 24 to 28 As shown, the first locking mechanism 810 also includes a first elastic member 814. The two ends of the first elastic member 814 respectively abut against the first locking member 811 and the fourth main body 510. The first elastic member 814 causes the first locking member 811 to have a constant tendency to move toward the first locking groove 812 (i.e., the seat fixing base 400). In this embodiment, the first elastic member 814 is a spring or elastic rubber column mounted on the mounting shaft 520, which is not limited to this. In this way, after the state transition of the baby carrier is completed, for example, when the baby carrier is converted from a folded state to an unfolded state for use, the first elastic member 814 can automatically rebound the first locking member 811 into the first locking groove 812, automatically relocking the seat fixing base 400 and the connecting fixing base 500, making operation convenient.

[0076] Specifically, if Figures 1 to 3 As shown, the second locking mechanism 820 has a locked state and a released state. Rotation of the armrest mount 200 can convert the second locking mechanism 820 from the locked state to the released state. When the second locking mechanism 820 is in the locked state, the first frame mount 600 and the second frame mount 700 are relatively fixed; when the second locking mechanism 820 is in the released state, the first frame mount 600 and the frame mount rotate relative to each other.

[0077] Specifically, if Figures 1 to 3As shown, the second locking mechanism 820 includes a second locking member 821, a second locking groove (not shown in the drawings), and a third locking groove 823. The first frame mount 600 is provided with a second locking groove, and the second frame mount 700 is provided with a third locking groove 823. The second locking member 821 can simultaneously lock and engage with the second locking groove and the third locking groove 823. Rotation of the armrest mount 200 can drive the second locking member 821 to disengage from one of the second locking groove and the third locking groove 823, thereby converting the second locking mechanism 820 from a locked state to a released state. In this embodiment, the second locking member 821 is a gear, and the second locking groove and the third locking groove 823 are both gear grooves that cooperate with the second locking member 821. Of course, in other embodiments, the second locking member 821 can also have other shapes, such as an irregular polygon, and the second locking groove and the third locking groove 823 can also have other corresponding shapes.

[0078] Furthermore, if Figure 3 and Figure 4 As shown, the second locking mechanism 820 further includes a frame release member 824 and a push member 825. The frame release member 824 is mounted on the first frame mount 600 and may specifically include a release body 824a and a release protrusion 824b connected to each other. The release body 824a is provided on the side of the first frame mount 600 facing away from the second frame mount 700. The first frame mount 600 is provided with a release hole 613. The release protrusion 824b passes through the release hole 613 and abuts against the second locking member 821. The push member 825 is fixed to the first locking member 811. For example, the push member 825 may be integrally formed with the first locking member 811. Specifically, the push member 825 may include two push ribs 825a spaced apart on the side of the first locking member 811 facing away from the seat mount 400. The side of the connecting fixing seat 500 facing away from the seat fixing seat 400 is opposite to the side of the first frame fixing seat 600 provided with the frame release member 824. The connecting fixing seat 500 is provided with a push hole 514 (such as Figure 6 (as shown). Rotation of the armrest mount 200 drives the first locking member 811 to move axially, allowing the resisting member 825 to pass through the resisting hole 514 and push the frame release member 824. Simultaneously, the release protrusion 824b of the frame release member 824 resists the second locking member 821 and disengages it from the second locking groove, thereby converting the second locking mechanism 820 from the locked state to the released state. Furthermore, the resisting member 825, which is integrally formed with the first locking member 811 and is disposed within the resisting hole 514, can also limit the first locking member 811 to move only in a direction toward or away from the seat mount 400, that is, only in an axial direction, thereby preventing the first locking member 811 from rotating about the mounting axis 520, thereby achieving the locking function of the first locking mechanism 810.

[0079] Furthermore, if Figure 3 、 Figure 4 and Figure 8 As shown, the second locking mechanism 820 also includes a second elastic member 826. The two ends of the second elastic member 826 respectively abut against the second locking member 821 and the second frame mount 700 (specifically, the sixth main body 710). The second elastic member 826 causes the second locking member 821 to constantly move toward the second locking groove (i.e., the first frame mount). In this embodiment, the second elastic member 826 is a spring or elastic rubber column mounted on the mounting shaft 520, and this is not limited to this. In this way, after the baby carrier completes a state transition, for example, when the baby carrier is converted from a folded state to an unfolded state for use, the second elastic member 826 can automatically rebound the second locking member 821 into the second locking groove, automatically relocking the first frame mount 600 and the second frame mount 700, making operation convenient.

[0080] Furthermore, if Figures 7 to 10 As shown, the third locking mechanism 840 has a locked state and a released state. The backrest fixing seat 300 is rotated to a first position relative to the armrest fixing seat 200, and the armrest fixing seat 200 and the seat fixing seat 400 are locked by the third locking mechanism 840; the backrest fixing seat 300 is rotated to a second position relative to the armrest fixing seat 200, and the third locking mechanism 840 releases the lock on the armrest fixing seat 200 and the seat fixing seat 400.

[0081] In this embodiment, Figure 22 As shown, the second position can be a position where the backrest fixing seat 300 is rotated relative to the armrest fixing seat 200 to the position where the armrest support rod 111 and the backrest support rod 112 are substantially parallel or overlapped; in addition, as shown Figure 21 As shown, the first position is a position other than the second position. Thus, when the baby carrier needs to be folded, the backrest fixing seat 300 can be rotated relative to the armrest fixing seat 200 from the first position to the second position, that is, the armrest support rod 111 and the backrest support rod 112 are substantially parallel or overlapped. At this time, the third locking mechanism 840 releases the lock on the armrest fixing seat 200 and the seat fixing seat 400, and further operation can be performed to fold the armrest support rod 110, the backrest support rod 120 and the seat support rod 130 to a state where the three are substantially parallel, thereby saving storage space after the seat assembly 110 is folded.

[0082] Specifically, if Figures 7 to 10 and Figure 17As shown, the third locking mechanism 840 includes a first locking portion disposed on the armrest mounting base 200 and a second locking portion disposed on the seat mounting base 400. When the backrest mounting base 300 rotates to a first position relative to the armrest mounting base 200, the first locking portion and the second locking portion lock and engage. When the backrest mounting base 300 rotates to a second position relative to the armrest mounting base 200, the first locking portion and the second locking portion disengage. In this embodiment, the first locking portion is a snap-fit ​​block 841 disposed on the armrest mounting base 200, and the second locking portion is a snap-fit ​​groove 842 disposed on the seat mounting base 400 and capable of engaging with the snap-fit ​​block 841. Of course, the positions of the snap-fit ​​block 841 and the snap-fit ​​groove 842 can also be interchanged, or the third locking mechanism 840 can also adopt other forms, such as a hook and hole that cooperate with each other, without limitation.

[0083] Optional, such as Figure 10 and Figure 17 As shown, the locking groove 842 is provided on the locking boss 411. The locking block 841 is provided on the side of the armrest fixing seat 200 facing the backrest fixing seat 300, please refer to Figure 18 The first main body 210 of the armrest fixing base 200 is provided with a radially arranged mounting groove 213. The engaging block 841 is disposed within the mounting groove 213. The engaging block 841 extends from the notch of the mounting groove 213 to engage with the engaging groove 842. The locking boss 411 passes through the first penetration opening 311 so that the engaging block 841 can be locked and engaged with the engaging groove 842. Optionally, the mounting groove 213 and the mounting channel 211 are arranged along the same radial direction of the armrest fixing base 200, that is, the engaging block 841 and the locking pin 831 are arranged along the same radial direction of the armrest fixing base 200. In this way, the engaging block 841 and the locking pin 831 can lock the seat fixing base 400 from two opposite sides of the armrest fixing base 200.

[0084] Furthermore, if Figures 7 to 10 and Figure 17As shown, the second main body 310 of the backrest fixing base 300 has a guide rail groove 312. The distance between the guide rail groove 312 and the notch of the engaging groove 842 varies at different positions, that is, the extension path of the guide rail groove 312 is gradually changing. The engaging block 841 has an engaging portion 841a and a guide post 841b. The engaging portion 841a can be inserted into the engaging groove 842, and the guide post 841b is inserted into and moves along the guide rail groove 312. When the backrest fixing base 300 is rotated to the second position relative to the armrest fixing base 200, the guide rail groove 312 is farthest from the center of the second main body 310, that is, the distance between the guide rail groove 312 and the locking protrusion 411 is farthest. The engaging block 841 moves along the guide rail groove 312 until the engaging portion 841a disengages the engaging groove 842. When the backrest fixing base 300 rotates to the first position relative to the armrest fixing base 200, the engaging block 841 moves along the guide groove 312 until the engaging portion 841a is inserted into the engaging groove 842. This ensures that, when the backrest fixing base 300 rotates to the first position relative to the armrest fixing base 200, the third locking mechanism 840 is locked, and when the backrest fixing base 300 rotates to the second position relative to the armrest fixing base 200, the third locking mechanism 840 is released. Furthermore, during the unfolding of the infant carrier, the guide post 841b on the engaging block 841 cooperates with the guide groove 312, causing the armrest fixing base 200 and the backrest fixing base 300 to pivot in a linked manner. This allows the armrest support rod 111 to unfold along with the backrest support rod 112 and, ultimately, the entire infant carrier, and then automatically return to its initial position, thereby ensuring the automatic return of the armrest support rod 111 during the unfolding process. In this way, during the folding process of the baby carrier, the backrest fixing base 300 can drive the armrest fixing base 200 to continue rotating in the original direction relative to the seat fixing base 400 until the folding process is completed.

[0085] Furthermore, if Figure 8 、 Figure 10 and Figure 28 As shown, the third locking mechanism 840 further includes a third elastic member 843. The ends of the third elastic member 843 respectively abut against the armrest mount 200 and the engaging block 841. Specifically, the ends of the third elastic member 843 respectively abut against the engaging block 841 and the bottom of the mounting slot 213. The third elastic member 843 forces the engaging block 841 to constantly move toward the engaging slot 842. Thus, after the infant carrier transitions from a folded state to an unfolded state, for example, the backrest mount 300 rotates relative to the armrest mount 200 to the first position, the engaging block 841 automatically engages with the engaging slot 842 under the action of the third elastic member 843, thereby locking the armrest mount 200 and the seat mount 400, thereby improving safety.

[0086] Specifically, if Figure 28As shown, the third elastic member 843 can be installed by providing a mounting platform 841c on the engaging block 841. The mounting platform 841c includes an interconnected abutment portion 841d and a raised portion 841e. The third elastic member 843 is partially sleeved outside the raised portion 841e, and the end of the third elastic member 843 away from the bottom of the mounting groove 213 abuts against the abutment portion 841d. Of course, other methods can also be used to install the third elastic member 843. The third elastic member 843 can be a spring, an elastic rubber column, etc., which is not limited to this.

[0087] Furthermore, if Figures 7 to 10 As shown, the fourth locking mechanism 830 can achieve relative locking of the armrest fixing base 200 and the seat fixing base 400. When the backrest fixing base 300 rotates to the second position relative to the armrest fixing base 200, the fourth locking mechanism 830 can be operated, allowing the armrest fixing base 200 and the seat fixing base 400 to rotate relative to each other. In this way, when the fourth locking mechanism 830 is operated, the lock between the armrest fixing base 200 and the seat fixing base 400 is released, and the armrest fixing base 200 and the seat fixing base 400 rotate relative to each other, ultimately making the armrest support rod 111, the seat support rod 113, and the backrest support rod 112 nearly parallel, and the armrest support rod 111 does not tilt or protrude outward. As a result, the overall volume is small after folding, reducing transportation costs and facilitating storage and placement. The clever coordination of the fourth locking mechanism 830 and the third locking mechanism 840 provides a double-locking safety feature for the baby carrier. Simply operating the fourth locking mechanism 830 or rotating the backrest mount 300 relative to the armrest mount 200 to the second position, releasing the third locking mechanism 840, will not unlock the baby carrier. Only when both the fourth locking mechanism 830 and the third locking mechanism 840 are released can the armrest support rods 111, backrest support rods 112, and seat support rods 113 of the baby carrier rotate relative to each other. This prevents the baby carrier from accidentally folding due to the fourth locking mechanism 830 being accidentally activated or the backrest support rods 112 being rotated to be substantially parallel to or aligned with the armrest support rods 111, thereby significantly improving the safety of the baby carrier.

[0088] Specifically, if Figures 7 to 10 As shown, the fourth locking mechanism 830 includes a third locking portion provided on the armrest fixing seat 200 and a fourth locking portion provided on the seat fixing seat 400. The third locking portion can be operated to cooperate with the fourth locking portion to lock or unlock, or the fourth locking portion can be operated to cooperate with the third locking portion to lock or unlock.

[0089] Alternatively, as Figures 7 to 10 and Figure 17As shown, the third locking portion is a locking pin 831 movably mounted on the armrest mount 200, and the fourth locking portion is a fourth locking slot 832 mounted on the seat mount 400 and capable of engaging with the locking pin 831. Thus, the armrest mount 200 and the seat mount 400 are locked together by the engagement of the locking pin 831 and the fourth locking slot 832. By manipulating the locking pin 831 to disengage the locking pin 831 from the fourth locking slot 832, the fourth locking mechanism 830 is released, allowing the armrest mount 200 and the seat mount 400 to rotate relative to each other, i.e., the armrest support rod 111 and the seat support rod 113 to rotate relative to each other. Of course, the positions of the locking pin 831 and the fourth locking slot 832 can also be interchanged, or the third and fourth locking portions can take other forms, such as a hook and hole that engage with each other, without limitation.

[0090] Furthermore, if Figure 17 As shown, the fourth locking groove 832 is provided on the locking boss 411. The locking pin 831 is provided on the side of the armrest fixing seat 200 facing the backrest fixing seat 300, please refer to Figure 18 Specifically, a mounting channel 211 can be provided radially extending through the first main body 210 of the armrest fixing base 200. One end of the locking pin 831 can pass through the mounting channel 211 and engage with the fourth locking groove 832. The other end of the locking pin 831 can protrude outside the mounting channel 211 for easy operation. The locking boss 411 passes through the first penetration opening 311 to allow the locking pin 831 to lock and engage with the fourth locking groove 832.

[0091] Furthermore, if Figure 10 and Figure 13 As shown, the fourth locking mechanism 830 further includes a fourth elastic member 833. The ends of the fourth elastic member 833 respectively abut against the armrest mount 200 and the locking pin 831. The fourth elastic member 833 forces the locking pin 831 to constantly move toward the fourth locking slot 832. Thus, after the infant carrier transitions from a folded state to an unfolded state, for example, the locking pin 831 automatically snaps into the fourth locking slot 832 under the action of the fourth elastic member 833, thereby re-locking the armrest mount 200 and the seat mount 400. This eliminates the need for further manual operation of the locking pin 831, saving time and effort while also improving safety.

[0092] Alternatively, as Figure 10 and Figure 13As shown, the fourth elastic member 833 can be provided by providing a limiting post (not shown in the drawings) on the inner wall of the mounting channel 211, and a radially arranged limiting hole 831a is provided on the locking pin 831. The limiting post is inserted into the limiting hole 831a, and the two ends of the fourth elastic member 833 respectively abut against the limiting post and the hole wall of the limiting hole 831a on the side away from the locking boss 411. In this way, the fourth elastic member 833 can serve to assist the locking pin 831 in resetting. Of course, the fourth elastic member 833 can also be provided in other ways. The fourth elastic member 833 can be a spring, an elastic rubber post, etc., without limitation.

[0093] Furthermore, if Figure 11 As shown, the fourth locking mechanism 830 also includes an operating member 834 connected to the locking pin 831. The operating member 834 can be operated to drive the locking pin 831 to move. In this way, it is convenient for the user to operate the locking pin 831, improving the user experience. Optionally, the operating member 834 is a webbing. Using a webbing as the operating member 834 takes up almost no storage space and hardly increases the overall weight of the baby carrier. Of course, the operating member 834 can also be a pull ring, etc., and there is no limitation to this. A through hole 831b can be provided at one end of the locking pin 831 protruding from the mounting channel 211. The webbing can pass through the through hole 831b and be wrapped around the locking pin 831 to be fixed. Of course, the webbing can also be fixed to the fixing pin in other ways, and there is no limitation to this.

[0094] Furthermore, if Figure 7 and Figure 9 As shown, the fifth locking mechanism 850 has a locked state and a released state. In this embodiment, the fifth locking mechanism 850 includes a backrest releasing member 851 located at the top of the backrest support rod 112. By pressing the backrest releasing member 851, the fifth locking mechanism 850 can be switched from the locked state to the released state, thereby adjusting the angle of the backrest support rod 112 relative to the armrest support rod 111. When the fifth locking mechanism 850 is in the locked state, the backrest fixing base 300 and the armrest fixing base 200 are relatively locked. When the fifth locking mechanism 850 is in the released state, the backrest fixing base 300 and the armrest fixing base 200 rotate relative to each other.

[0095] The following is the detailed process of converting the infant carrier from the unfolded state to the folded state:

[0096] like Figures 21 to 23 As shown, first press the backrest release member 851 to release the fifth locking mechanism 850, and the backrest fixing seat 300 can rotate relative to the armrest fixing seat 200 to the second position (as shown in FIG. Figure 22As shown in the figure, the backrest support rod 112 overlaps or is parallel to the armrest support rod 111, and the backrest support rod 112 is blocked by the armrest support rod 111 and cannot continue to rotate forward. At the same time, the third locking mechanism 840 is released, and the engaging block 841 disengages from the engaging slot 842. At this time, the webbing is pulled, causing the locking pin 831 to disengage from the fourth locking slot 832, and the fourth locking mechanism 830 is released. The armrest fixing seat 200 and the seat fixing seat 400 can then rotate relative to each other until they respectively drive the armrest support rod 111 and the seat support rod 113 to rotate in a direction closer to the backrest support rod 112, and ultimately the armrest support rod 111, the seat support rod 113, and the backrest support rod 112 are in a nearly parallel state, and the armrest support rod 111 does not tilt or protrude outward. At the same time, when the armrest fixing seat 200 rotates, the driving member 813 can push the first locking member 811, so that the first locking member 811 disengages from the first locking groove 812, that is, the first locking mechanism 810 is released, and the seat fixing seat 400 and the connecting fixing seat 500 can rotate with each other, that is, the seat support rod 113 can be rotated and folded relative to the frame assembly 120. Moreover, when the first locking member 811 is pushed, the pushing member 825 on the first locking member 811 will push the frame release member 824 of the second locking mechanism 820, thereby releasing the lock between the rider support rod 121 and the front leg support rod 122, and driving the rider support rod 121 and the front leg support rod 122 to rotate and fold together. In this way, the folding of the entire baby carrier can be achieved (such as Figure 23 shown).

[0097] The above-mentioned baby carrier has at least the following technical effects:

[0098] In this infant carrier, the armrest mount 200, the seat mount 400, and the connecting mount 500 are coaxially pivotally connected, and the armrest mount 200 and the seat mount 400 are fixed to the frame assembly 120 via the connecting mount 500. That is, when the armrest support rod 111 and the seat support rod 113 are connected to the armrest mount 200 and the seat mount 400, respectively, the armrest support rod 111 and the seat support rod 113 are fixed to the frame assembly 120. The first locking mechanism 810 can be used to control the relative fixation and relative rotation between the seat mount 400 and the connecting mount 500, that is, to control the relative fixation and relative rotation between the seat support rod 113 and the frame assembly 120. When the baby carrier needs to be folded, the armrest mounting base 200 is rotated to switch the first locking mechanism 810 from a locked state to a released state. This releases the lock between the seat support rod 113 and the frame assembly 120, allowing the seat support rod 113 to rotate and fold, thereby causing the entire baby carrier to fold, resulting in a smaller overall size after folding. This method of rotating the armrest mounting base 200 (i.e., rotating the armrest support rod 111) to fold the seat assembly 110 offers better process control and greater ease of use than the conventional method of folding the seat support rod 113 via the backrest support rod 112. Furthermore, it avoids the situation where the seat support rod 113 is released by directly folding the backrest support rod 112, resulting in a higher safety factor.

[0099] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0100] The above embodiments merely illustrate several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent for this invention shall be determined by the appended claims.

Claims

1. A baby carrier, characterized in that: The vehicle frame assembly comprises an armrest fixing seat, a seat fixing seat, a connecting fixing seat, a first locking mechanism and a vehicle frame assembly, wherein the armrest fixing seat, the seat fixing seat and the connecting fixing seat are coaxially pivoted, the connecting fixing seat is connected to the vehicle frame assembly, the first locking mechanism has a locked state and a released state, and the rotation of the armrest fixing seat converts the first locking mechanism from the locked state to the released state, wherein when the first locking mechanism is in the locked state, the seat fixing seat and the connecting fixing seat are relatively fixed, and when the first locking mechanism is in the released state, the seat fixing seat and the connecting fixing seat are relatively rotated; The infant carrier further includes a second locking mechanism and a first frame fixing seat and a second frame fixing seat pivotally connected to each other. The second locking mechanism has a locked state and a released state. The armrest fixing seat rotates to convert the second locking mechanism from the locked state to the released state. When the second locking mechanism is in the locked state, the first frame fixing seat and the second frame fixing seat are relatively fixed. When the second locking mechanism is in the released state, the first frame fixing seat and the second frame fixing seat rotate relative to each other.

2. The baby carrier according to claim 1, characterized in that: The first locking mechanism includes a first locking piece and a first locking groove that cooperate with each other to lock, the first locking piece is provided on one of the connecting fixing seat and the seat fixing seat, and the first locking groove is provided on the other of the connecting fixing seat and the seat fixing seat, and the armrest fixing seat is rotated to disengage the first locking piece from the first locking groove.

3. The baby carrier according to claim 1, wherein: The first locking mechanism includes a first locking piece and a first locking groove that cooperate and lock with each other. The first locking piece is provided on the connecting fixing seat and moves back and forth in a direction approaching or away from the seat fixing seat. The first locking groove is provided on the seat fixing seat. The armrest fixing seat rotates to move the first locking piece in a direction away from the seat fixing seat so that the first locking piece and the first locking groove are disengaged.

4. The baby carrier according to claim 2 or 3, characterized in that: The first locking mechanism further includes a driving member, and the armrest fixing seat rotates to drive the driving member to push the first locking member to move away from the seat fixing seat to disengage from the first locking groove.

5. The baby carrier according to claim 4, characterized in that: The armrest fixing seat has a first resisting inclined surface, one end of the driving member has a second resisting inclined surface matched with the first resisting inclined surface, and the other end of the driving member resists the first locking member.

6. The baby carrier according to claim 2 or 3, characterized in that: The first locking mechanism further includes a first elastic member, the two ends of which respectively abut against the first locking member and the connecting and fixing seat, and the first elastic member causes the first locking member to constantly move toward the first locking groove.

7. The baby carrier according to claim 2 or 3, characterized in that: The first locking member is a gear, and the first locking groove is a gear groove matched with the gear.

8. The baby carrier according to claim 1, wherein: The second locking mechanism includes a second locking piece, a second locking groove and a third locking groove. The first frame fixing seat is provided with the second locking groove, and the second frame fixing seat is provided with the third locking groove. The second locking piece is locked and cooperated with the second locking groove and the third locking groove at the same time. The armrest fixing seat rotates to drive the second locking piece to disengage from one of the second locking groove and the third locking groove, so that the second locking mechanism is converted from a locked state to a released state.

9. The baby carrier according to claim 8, characterized in that: The second locking mechanism further includes a frame release member mounted on the first frame fixing seat, the frame release member including a release body and a release protrusion connected to each other, the release body being provided on a side of the first frame fixing seat facing away from the second frame fixing seat, the first frame fixing seat being provided with a release hole, the release protrusion passing through the release hole and abutting against the second locking member, and the armrest fixing seat being rotated so that the release protrusion pushes the second locking member out of the second locking groove.

10. The baby carrier according to claim 9, characterized in that: The first locking mechanism includes a first locking piece and a first locking groove that cooperate with each other to lock, the first locking piece is provided on the connecting fixing seat and reciprocates in a direction approaching or away from the seat fixing seat, the first locking groove is provided on the seat fixing seat, the second locking mechanism also includes a pushing piece, the pushing piece is fixed to the first locking piece, the connecting fixing seat is provided with a pushing hole, the armrest fixing seat rotates to drive the first locking piece to move in a direction away from the seat fixing seat, so that the pushing piece passes through the pushing hole to push the frame release piece.

11. The baby carrier according to claim 1, wherein: The second locking mechanism includes a frame releasing member and a pushing member. The frame releasing member is mounted on the first frame fixing seat. The armrest fixing seat rotates to drive the pushing member to push the frame releasing member to release the second locking mechanism.

12. The infant carrier according to claim 9, wherein: The second locking mechanism further includes a second elastic member, two ends of which respectively abut against the second locking member and the second frame fixing seat, and the second elastic member causes the second locking member to constantly move toward the second locking groove.

13. The infant carrier according to claim 1, wherein: The connection fixing seat and the first frame fixing seat are detachably connected.

14. The baby carrier according to claim 13, wherein: The connecting fixing seat is provided with a clamping piece, and the first frame fixing seat is provided with a clamping hole matched with the clamping piece.

15. The baby carrier according to claim 14, characterized in that: The connection fixing seat further includes a connection releasing member, which is driven to cause the engaging member to contract in a direction away from the first frame fixing seat and disengage from the engaging hole.

16. The infant carrier according to claim 1, wherein: It also includes a backrest fixing seat and a third locking mechanism, the armrest fixing seat, the backrest fixing seat, the seat fixing seat and the connected fixing seat are coaxially pivoted, the backrest fixing seat is rotated to a first position relative to the armrest fixing seat, and the armrest fixing seat and the seat fixing seat are locked by the third locking mechanism; the backrest fixing seat is rotated to a second position relative to the armrest fixing seat, and the third locking mechanism releases the lock of the armrest fixing seat and the seat fixing seat.

17. The infant carrier according to claim 16, wherein: The third locking mechanism includes a first locking portion provided on the armrest fixing seat and a second locking portion provided on the seat fixing seat. When the backrest fixing seat is rotated to a first position relative to the armrest fixing seat, the first locking portion is locked and engaged with the second locking portion; when the backrest fixing seat is rotated to a second position relative to the armrest fixing seat, the first locking portion is released from engagement with the second locking portion.

18. The infant carrier according to claim 17, wherein: The first locking portion is a snap block provided on the armrest fixing seat, and the second locking portion is a snap groove provided on the seat fixing seat and matched with the snap block.

19. The infant carrier according to claim 1, wherein: It also includes a backrest fixing seat and a fourth locking mechanism, which locks the armrest fixing seat and the seat fixing seat; the backrest fixing seat is rotated to a second position relative to the armrest fixing seat, and the fourth locking mechanism is operated to allow the armrest fixing seat and the seat fixing seat to rotate relative to each other.

20. The infant carrier according to claim 19, wherein: The fourth locking mechanism includes a third locking portion provided on the armrest fixing seat and a fourth locking portion provided on the seat fixing seat, the third locking portion being operated to cooperate with the fourth locking portion to lock or unlock, or the fourth locking portion being operated to cooperate with the third locking portion to lock or unlock.

21. The infant carrier according to claim 20, wherein: The third locking portion is a locking pin movably provided on the armrest fixing seat, and the fourth locking portion is a fourth locking groove provided on the seat fixing seat and matched with the locking pin.

22. The infant carrier according to claim 1, wherein: It also includes an armrest support rod and a seat support rod, and the armrest support rod and the seat support rod are respectively detachably connected to the armrest fixing seat and the seat fixing seat or fixedly connected by pins.

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