Angle adjusting structure and baby carrier

Abstract

The invention provides an angle adjusting structure which is suitable for adjusting the angle of a body relative to a base and comprises positioning pieces and a locking piece capable of being locked with the positioning pieces, the body is rotationally connected to the base, at least two positioning pieces are arranged on the body, the locking piece is movably arranged on the base, and the positioning pieces are arranged on the base. And the locking piece and the positioning piece are locked or unlocked by virtue of the movement of the locking piece. Besides, the invention further provides the baby carrier with the angle adjusting structure, the baby carrier can bring different visual experiences to children on the body, meanwhile, a caregiver can conveniently take care of the children, and the baby carrier is simple in structure and convenient to operate.

Description

[0001] This application is a divisional application of the invention patent application of Baoju Switzerland Co., Ltd. (the application date is December 30, 2019, the application number is 201911424778.4, and the invention name is "Angle adjustment structure and baby carrier"). Technical Field

[0002] The present invention relates to the technical field of baby products, and in particular to an angle adjustment structure and a baby carrier having the angle adjustment structure. Background Art

[0003] As people's safety awareness changes, more and more parents choose car safety seats to protect children's safety when riding in a car. When children ride in a car, they will install the car safety seat on the car seat to provide safety protection for the children. However, the existing safety seat cannot be rotated after being fixed on the car seat, and the child's vision on the safety seat is monotonous. In addition, the safety seat cannot be rotated after being fixed on the car seat, which also brings certain inconvenience to the caregiver.

[0004] Therefore, it is necessary to provide a safety seat, in which the carrier body can be rotated to different positions relative to the base, which can provide children with a variety of different visual experiences and also facilitate caregivers to take care of the children. Summary of the invention

[0005] The object of the present invention is to provide an angle adjustment structure which has a simple structure and can adjust the angle arbitrarily.

[0006] Another object of the present invention is to provide a baby carrier having an angle adjustment structure, by which the carrier body can be rotated to different positions relative to the base.

[0007] To achieve the above-mentioned purpose, the present invention provides an angle adjustment structure, which is suitable for adjusting the angle of the main body relative to the base, including a positioning member and a locking member that can be locked with the positioning member. The main body is rotatably connected to the base, and at least two positioning members are arranged on the main body. The locking member is movably arranged on the base, and the locking member and the positioning member are locked or released by the movement of the locking member.

[0008] Compared with the prior art, the angle adjustment structure provided by the present invention adds a positioning member and a locking member between the body and the base. When the locking member releases the positioning member, the body can rotate relative to the base. After the body rotates a certain angle relative to the base, the positioning member is locked by the locking member, so that the body is fixed on the base, thereby completing the rotation angle adjustment of the body relative to the base. The present invention has a simple structure. When the locking member releases the positioning member, the body can rotate to different angles relative to the base, which can not only bring different visual experiences to the children on the body, but also facilitate the caregivers to take care of the children. The caregivers can rotate the body to a suitable position to facilitate the care of the children. It has strong practicality and is suitable for wide promotion and use.

[0009] Preferably, the locking member is rotatably arranged on the base, and the locking member and the positioning member are locked or released by the rotation of the locking member. The locking member and the positioning member are locked or released by the rotation of the locking member, which has a simple structure and is easy to operate.

[0010] Preferably, the locking member has a hook portion protruding from the base, and the positioning member has a positioning portion protruding from the body, and the rotation of the locking member causes the hook portion to rotate and hook the positioning portion to lock or causes the hook portion to detach from the positioning portion to release the lock. The protruding hook portion hooks the protruding positioning portion to lock, and the protruding hook portion detaches from the protruding positioning portion to release the lock; the hook portion protrudes from the base, and the positioning portion protrudes from the body, so that better cooperation can be achieved to achieve locking or releasing the lock.

[0011] Preferably, the positioning members are located on the same circumference with the rotation center as the center, that is, multiple positioning members are located on the same circumference with the rotation center as the center, and after the body rotates a certain angle relative to the base, the locking member can cooperate with the corresponding positioning member to achieve locking.

[0012] Preferably, the positioning members are distributed on different circumferences with the rotation center as the center. The positioning members can also be distributed on different circumferences with the rotation center as the center, as long as the two positioning members have the center of the circle as the common endpoint and there is a certain angle between the two positioning members.

[0013] Preferably, the locking member is engaged with the positioning member at a single point, or the locking member is engaged with the positioning member at multiple points. The locking member may include one or more hooks protruding from the base, which can be engaged at a single point or multiple points, and has a simple structure and is easy to implement.

[0014] Preferably, the positioning member is fixed on the body and a clamping gap is provided between the positioning member and the body for the locking member to extend into and engage with. The clamping gap is provided so that the locking member can extend into the positioning member and engage with it, which has a simple structure and a reasonable design.

[0015] Preferably, the positioning member has a positioning portion for the locking member to lock. The positioning member is partially inserted and fixed on the body, and the portion locked with the locking member is the positioning portion.

[0016] Preferably, the locking member always has a tendency to lock with the positioning member. The locking member always has a tendency to reset, and when the rotation of the body relative to the base stops, the locking member can always have a tendency to lock the positioning member through the locking member itself or through the operating member.

[0017] Preferably, a fixing piece is arranged on the base, and the locking piece can be rotatably arranged on the fixing piece. The structure is simple and the design is reasonable.

[0018] Preferably, a stopper is protruded from the fixing member and is used to limit the rotational travel of the locking member. By providing a stopper to limit the rotational travel of the locking member, it is ensured that the locking member will not affect the locking action due to rotation beyond the travel range.

[0019] Preferably, the locking member is connected to a driving member, and the driving member acts to drive the locking member to rotate so that the locking member and the positioning member are locked or released. The driving member gives the locking member a rotational force, and the driving member drives the locking member to lock or release.

[0020] Preferably, the driving member is a steel wire structure, which is simple, easy to implement and has good effect.

[0021] Preferably, the locking member is provided with a reset member that allows the locking member to be permanently locked with the positioning member. When the driving member is a steel wire, the body ends rotating relative to the base, and the reset member of the locking member itself drives the locking member to reset, and has a tendency to lock the positioning member, with a simple structure and reasonable design.

[0022] Preferably, the reset member is a spring structure. The spring structure has a certain telescopic function, can well drive the locking member to reset, and has a simple structure.

[0023] Preferably, the driving member is a block structure. The driving member serves to connect the locking member and the operating member. As long as the driving member can drive the locking member to rotate, the driving member with a block structure can also directly act on the locking member. Under the action of the operating member, the driving member with a block structure directly acts on the locking member, and the locking member itself does not need to be provided with a reset member. The structure is simple and the design is reasonable.

[0024] Preferably, an operating member is connected to one end of the driving member away from the locking member, and the operating member is arranged on the base or the body; the operating member is driven to drive the driving member to drive the locking member, so that the locking member and the positioning member are locked or released. The operating member can be arranged on the body or the base to remotely control the locking member to lock or release, which has a simple structure, reasonable design, and convenient operation.

[0025] To achieve the above another object, the present invention provides a baby carrier, including a body for carrying a baby and a base rotatably connected to the body, and also including the above angle adjustment structure.

[0026] Compared with the prior art, since the baby carrier of the present invention is provided with an angle adjustment structure, after the body rotates a certain angle relative to the base, the locking member of the angle adjustment structure locks the positioning member, so that the body is fixed on the base, thereby completing the rotation angle adjustment of the body relative to the base. When the locking member releases the positioning member, the body can rotate to different angles relative to the base, which not only can provide different visual experiences for the child on the body, but also facilitates the caregiver to take care of the child. The caregiver can rotate the body to a suitable position to facilitate the care of the child; the baby carrier of the present invention has strong practicality and is suitable for wide promotion and use.

[0027] Preferably, the base is provided with a housing cavity for the body to rotate, and the body can be rotatably arranged in the housing cavity. The body can rotate more safely and reliably in a certain housing space, and the rotation track will not be deviated, and the design is reasonable.

[0028] Preferably, a concave portion is provided on the main body, and a convex portion matching the concave portion is provided in the accommodating cavity. The convex portion is provided in the accommodating cavity, and the concave portion is provided on the main body, so that the matching is more compact and the design is reasonable. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 1 is a schematic diagram of the structure of a baby carrier provided by an embodiment of the present invention.

[0030] Figure 2 yes Figure 1 Schematic diagram of the structure of the Chinese body.

[0031] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0032] Figure 4 yes Figure 1 Schematic diagram of the structure of the middle base.

[0033] Figure 5 yes Figure 4 Schematic diagram of the internal structure of the middle base without the outer shell.

[0034] Figure 6 yes Figure 5 Schematic diagram of the structure of the locking part, driving part and operating part.

[0035] Figure 7 yes Figure 6 Schematic diagram of the structure of the locking part.

[0036] Figure 8 yes Figure 6 Schematic diagram of the structure of the operating parts.

[0037] Fig. 9 1 is a diagram showing a state in which the locking member and the positioning member of the baby carrier of the present invention are locked.

[0038] Fig.10 yes Fig. 9 Enlarged view of point B in the middle.

[0039] Fig.11 1 is a diagram showing the state of the locking member and the positioning member of the baby carrier of the present invention when they are unlocked.

[0040] Fig.12 yes Fig.11 Enlarged view of point C in the middle.

[0041] Fig.13 It is a schematic structural diagram of an embodiment of the present invention in which the positioning members are located on the same circumference with the rotation center as the center and the angles between any two positioning members and the rotation center are the same.

[0042] Fig.14 It is a schematic diagram of a structure in which the positioning members are located on the same circumference with the rotation center as the center and the angles between the positioning members and the rotation center are different in one embodiment of the present invention.

[0043] Fig.15 This is a schematic diagram of a structure in which, in one embodiment of the present invention, the positioning members are located on different circumferences with the rotation center as the center and the angles between any two positioning members and the rotation center are the same.

[0044] Fig.16 This is a schematic diagram of a structure in which, in one embodiment of the present invention, positioning members are located on different circumferences with a rotation center as the center and the angles between each two positioning members and the rotation center are different.

[0046] 100. Baby carrier;

[0047] 10. body; 11. positioning member; 12. recess; 111. fixing portion; 112. positioning portion; 113. engagement gap;

[0048] 20. Base; 21. Locking member; 211. Hook portion; 212. Rotating portion; 213. Connecting portion; 214. Resetting member; 22. Fixing member; 221. Limiting portion; 23. Driving member; 24. Operating member; 25. Accommodating chamber; 26. Protrusion. DETAILED DESCRIPTION

[0049] In order to explain the technical content and structural features of the present invention in detail, further description will be given below in combination with the implementation modes and the accompanying drawings.

[0050] See also Figures 1 to 5The present invention provides a baby carrier 100, comprising a body 10 for carrying a baby and a base 20 rotatably connected to the body 10, and also comprising an angle adjustment structure, which is suitable for adjusting the angle of the body 10 relative to the base 20. The angle adjustment structure comprises a positioning member 11 and a locking member 21 that can be locked with the positioning member 11. Since the body 10 is rotatably connected to the base 20, at least two positioning members 11 are arranged on the body 10, and the locking member 21 is movably arranged on the base 20, and the locking member 21 is locked or released with the positioning member 11 by the movement of the locking member 21. It can be understood that the locking member 21 can be locked to the positioning member 11 to fix the body 10 to the base 20, or the locking member 21 can be moved to release the positioning member 11, so that the body 10 can rotate relative to the base 20. On the other hand, two positioning members 11 are provided on the body 10 so that the body 10 can be locked at different locations of the base 20 after rotating relative to the base 20, at least locked at two different locations on the base 20, that is, the body 10 can be fixed on the base 20 at different angles.

[0051] Specifically, two adjacent positioning members 11 form an angle with the rotation center of the body 10 and the base 20. For example, the center of the recess 12 on the body 10 is the rotation center, that is, the two adjacent positioning members 11 use the center of the recess 12 as a common endpoint, and the two positioning members 11 form an angle of a certain angle with the center of the recess 12. The angle can be any angle except 0°. That is, the positioning members 11 are located in a circle with the rotation center as the center, and the two positioning members 11 cannot be located on the same radius of the circle.

[0052] After adopting the above technical solution, since the baby carrier 100 of the present invention is provided with an angle adjustment structure, the angle adjustment structure adds a positioning member 11 and a locking member 21 between the body 10 and the base 20, and the locking member 21 is movably arranged on the base 20, and at least two positioning members 11 are arranged on the body 10; when the body 10 and the base 20 need to be adjusted in angle, the locking member 21 is driven to move so that the locking member 21 releases the locking member 11, so that the body 10 can rotate relative to the base 20 to adjust the angle. After the body 10 rotates a certain angle relative to the base 20, the locking member 21 locks the positioning member 11, so that the body 10 is fixed on the base 20, thereby completing the rotation angle adjustment of the body 10 relative to the base 20. The body 10 can rotate to different angles relative to the base 20, which not only can bring different visual experiences to the child on the body 10, but also facilitates the care of the child by the caregiver, who can rotate the body 10 to a suitable position to facilitate the care of the child; the baby carrier 100 of the present invention has strong practicality and is suitable for wide promotion and use.

[0053] See also Figure 4 and Figure 5In some embodiments, the locking member 21 is rotatably disposed on the base 20, and the locking member 21 is locked or released with the positioning member 11 by the rotation of the locking member 21. A fixing member 22 is disposed on the base 20, and the locking member 21 is fixed to the fixing member 22 by an axle pin, so that the locking member 21 can be rotatably disposed on the fixing member 22 around the rotating portion 212. The locking member 21 and the positioning member 11 are locked or released by the rotation of the locking member 21, which has a simple structure and is easy to operate.

[0054] For details, please refer to Figure 7 The fixing member 22 has a limit portion 221 for limiting the rotational travel of the locking member 21, and the limit portion 221 protrudes out of the fixing member 22. By providing a limit portion 221 to limit the rotational travel of the locking member 21, it is ensured that the locking member 21 rotates within a certain range, and the locking action of the locking member 21 is not affected because the locking member 21 rotates beyond the travel range.

[0055] See also Figure 7 In some embodiments, the locking member 21 has a hook portion 211 protruding from the base 20. The locking member 21 and the fixing member 22 are located in the base 20. The upper shell of the base 20 is provided with a through slot for the hook portion 211 to protrude. The locking member 21 can be extended out of the through slot and locked with the positioning member 11 by rotation; or the locking member 21 rotates into the through slot and contacts the limiting portion 221 to release the positioning member 11. The rotation of the locking member 21 causes the hook portion 211 to rotate and hook the positioning portion 112 to lock or to release the hook portion 211 by detaching from the positioning portion 112. The protruding hook portion 211 hooks the protruding positioning portion 112 to lock, and the protruding hook portion 211 detaches from the protruding positioning portion 112 to release; the hook portion 211 protrudes from the base 20, and the positioning portion 112 protrudes from the body 10, so that better cooperation can be achieved to achieve locking or releasing.

[0056] See also Fig.13 and Fig.14 In some embodiments, the positioning members 11 are located on the same circumference with the rotation center as the center. Specifically, the positioning members 11 are located on the circumference with the rotation center as the center, and the angles between two adjacent positioning members 11 with the rotation center as the common endpoint are the same, that is, the angle at which the body 10 can be fixed after rotating relative to the base 20 is certain. Multiple positioning members 11 are located on the same circumference with the rotation center as the center, and after the body 10 rotates the same certain angle relative to the base 20 each time, the locking member 21 can cooperate with the corresponding positioning member 11 to achieve locking. Of course, the positioning members 11 are located on the circumference with the rotation center as the center, and the angles between two adjacent positioning members 11 with the rotation center as the common endpoint can also be different, that is, the position at which the body 10 can be fixed each time it rotates relative to the base 20 is not necessarily the same.

[0057] See also Fig.15 and Fig.16 In some embodiments, the positioning members 11 are distributed on different circumferences with the rotation center as the center, that is, the positioning members 11 are all located on different concentric circles with the rotation center as the center. As long as the two positioning members 11 have the center of the circle as the common endpoint, there is a certain angle between the two positioning members 11. It can be understood that the positioning members 11 can be located at any position within the circumference of the largest area on the body 10 with the rotation center as the center, but the two positioning members 11 cannot be located on the same radius of the circle.

[0058] Specifically, the positioning members 11 are located on different circumferences with the rotation center as the center, and the angles between two adjacent positioning members 11 with the rotation center as the common endpoint are the same, that is, the angle at which the body 10 can be fixed after rotating relative to the base 20 is certain. Multiple positioning members 11 are located on different circumferences with the rotation center as the center, and after the body 10 rotates the same certain angle relative to the base 20 each time, the locking member 21 can cooperate with the corresponding positioning member 11 to achieve locking. Of course, the positioning members 11 are located on non-circumferences with the rotation center as the center, and the angles between two adjacent positioning members 11 with the rotation center as the common endpoint can also be different, that is, the position at which the body 10 can be fixed each time it rotates relative to the base 20 is not necessarily the same.

[0059] See also Figures 9 to 12 In some embodiments, the locking member 21 can be engaged with the positioning member 11 at a single point, or at multiple points. The number of the locking members 21 can be set according to the specific structure and actual needs. In addition, the locking member 21 can include one or more hook portions 211 protruding from the base 20, which can be engaged at a single point or at multiple points. In this embodiment, the number of the locking members 21 is two, and the number of the hook portions 211 on each locking member 21 is one, but the number is not limited to this. The two locking members 21 are engaged and locked on the positioning portion 112 of the positioning member 11, which is firm and stable, and has a simple structure.

[0060] See also Figures 9 to 12 The positioning member 11 is fixed on the body 10 and a snap-in gap 113 is provided between the positioning member 11 and the body 10 for the locking member 21 to extend into and engage with. The snap-in gap 113 is provided so that the locking member 21 can extend into the positioning member 11 and engage with it, which has a simple structure and a reasonable design.

[0061] See also Figure 2 and Figure 3In some embodiments, the positioning member 11 has a positioning portion 112 exposed outside the body 10 for locking by the locking member 21. The positioning member 11 is a rod-shaped structure, and both ends of the positioning member 11 are inserted into the body 10 and fixed to the body 10 by the fixing portion 111. Among them, the positioning portion 112 is exposed outside the body 10, and it can be understood that the part locked with the locking member 21 is the positioning portion 112.

[0062] See also Figure 6 to Figure 7 Specifically, the locking member 21 always has a tendency to lock with the positioning member 11. The locking member 21 always has a tendency to reset. When the rotation of the body 10 relative to the base 20 stops, the locking member 21 can always have a tendency to lock the positioning member 11 through the locking member 21 itself or through the operating member 24. Only when the locking member 21 always has a tendency to lock with the positioning member 11 can the body 10 be locked at a suitable position after rotating a certain angle relative to the base 20, so that the body 10 is fixed to the base 20 at a desired position.

[0063] See also Figure 6 to Figure 7 The locking member 21 is connected with a driving member 23, and the driving member 23 acts to drive the locking member 21 to rotate so that the locking member 21 is locked or released with the positioning member 11, and one end of the driving member 23 is fixed on the connecting portion 213 of the locking member 21. The locking member 21 is connected with the driving member 23 through the connecting portion 213, and the driving member 23 gives the locking member 21 a rotational force, and the driving member 23 drives the locking member 21 to lock or release. Exemplarily, the driving member 23 is a steel wire structure, the steel wire can be deformed and the structure is stable and reliable, occupies less space, and is easy to implement. When the driving member 23 is a steel wire, a reset member 214 is provided on the locking member 21 to make the locking member 21 always have a lock with the positioning member 11. When the rotation of the body 10 relative to the base 20 ends, the reset member 214 of the locking member 21 itself will drive the locking member 21 to reset, and the locking member 21 always has a tendency to lock the positioning member 11, the structure is simple, and the design is reasonable. Among them, the reset member 214 is a spring structure. The spring structure has a certain telescopic function, can well drive the locking member 21 to reset, and has a simple structure.

[0064] On the other hand, see Figure 6, the driving member 23 may also be a block-shaped structure. The driving member 23 serves to connect the locking member 21 and the operating member 24. As long as the driving member 23 can drive the locking member 21 to rotate, the present invention does not impose any restrictions on this. The driving member 23 with a block structure can directly act on the locking member 21, directly driving the locking member 21 to lock or release. When releasing the lock, the operating member 24 is actuated, and the driving member 23 with a block structure directly pulls the locking member 21, and the locking member 21 releases the positioning member 11, so that the body 10 can rotate a certain angle to the required position relative to the base 20. When locking, since the driving member 23 is a block-shaped structure, the locking member 21 itself does not need to be provided with a reset member 214. The reset of the operating member 24 can make the driving member 23 act on the locking member 21, and the locking member 21 resets and locks the positioning member 11 at the corresponding position to achieve locking. The structure is simple and the design is reasonable.

[0065] See also Figures 5 to 8 In some embodiments, the end of the driving member 23 away from the locking member 21 is connected to an operating member 24, and the operating member 24 is disposed on the base 20 or the body 10; the operating member 24 is moved to drive the driving member 23 to drive the locking member 21, so that the locking member 21 and the positioning member 11 are locked or released. The operating member 24 can be disposed on the body 10 or the base 20 to remotely control the locking member 21 to lock or release, which has a simple structure, reasonable design, and convenient operation. In this embodiment, the operating member 24 is disposed on the base 20, and the operating member 24 is stretched forward and backward or stretched up and down, so that the operating member 24 drives the driving member 23 to move, so that the locking member 21 locks or releases the positioning member 11.

[0066] Please refer again Figures 1 to 4 The base 20 is provided with a housing cavity 25 for the body 10 to rotate, and the body 10 is rotatably arranged in the housing cavity 25. The body 10 is arranged in the housing cavity 25 of the base 20 and rotates in the housing cavity 25. Specifically, a recess 12 is provided on the body 10, and a convex portion 26 cooperating with the recess 12 is provided in the housing cavity 25. The convex portion 26 is provided in the housing cavity 25, and the recess 12 is provided on the body 10, so that the body 10 rotates along the convex portion 26 in the housing cavity 25, and the cooperation is more compact, safer and more reliable, and the design is reasonable.

[0067] Compared with the prior art, the baby carrier 100 of the present invention is provided with an angle adjustment structure, and the angle adjustment structure adds a positioning member 11 and a locking member 21 between the body 10 and the base 20, wherein the locking member 21 is movably arranged on the base 20, and at least two positioning members 11 are arranged on the body 10. When the body 10 and the base 20 need to be adjusted in angle, the operating member 24 is actuated to drive the driving member 23 to drive the locking member 21 to rotate, so that the locking member 21 releases the locking member 11, and then the body 10 can rotate relative to the base 20, so that the body 10 can be adjusted in angle relative to the base 20. After the body 10 rotates a certain angle relative to the base 20, the operating member 24 acts on the driving member 23 to rotate the locking member 21 to lock the positioning member 11, or the locking member 21 locks the positioning member 11 under the action of its own reset member 214; so that the body 10 is fixed on the base 20, thereby completing the rotation angle adjustment of the body 10 relative to the base 20. Since the body 10 can be rotated to different angles relative to the base 20, this not only provides different visual experiences for the child on the body 10, but also facilitates the care of the child by the caregiver, who can rotate the body 10 to a suitable position to facilitate the care of the child. The baby carrier 100 of the present invention has strong practicality and is suitable for wide promotion and use.

[0068] The above disclosure is only a preferred embodiment of the present invention, which cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention are all within the scope of the present invention.

Claims

1. An angle adjustment structure, suitable for adjusting the angle of the body relative to the base, wherein: The body is disposed in the accommodating cavity of the base and is rotatable around an axis passing through the body and the base. The angle adjustment structure comprises: At least two positioning members are arranged on the body, The locking member is rotatably disposed in the accommodating cavity and can be locked with one of the positioning members at a time to limit the rotation of the body relative to the base and prevent the body from being separated from the base.

2. The angle adjustment structure according to claim 1, wherein: The locking member has a hook portion protruding from the base, and the positioning member has a positioning portion protruding from the body. The rotation of the locking member causes the hook portion to rotate and hook the positioning portion to lock or causes the hook portion to detach from the positioning portion to release the lock.

3. The angle adjustment structure according to claim 2, wherein: The accommodating cavity includes a through slot for the hook portion to protrude, and the hook portion can be rotated to extend out of the through slot and enter the accommodating cavity to lock with the positioning member, and / or the hook portion can be rotated into the through slot to release the lock with the positioning member.

4. The angle adjustment structure according to claim 1, wherein: Two adjacent positioning members form an angle with the axis.

5. The angle adjustment structure according to claim 1, wherein: A clamping gap is provided between the positioning member and the body for the locking member to extend into and engage with.

6. The angle adjustment structure according to claim 1, wherein: A fixing piece is arranged on the base, and the locking piece can be rotatably arranged on the fixing piece.

7. The angle adjustment structure according to claim 6, wherein: The fixing member is provided with a limiting portion for limiting the rotational travel of the locking member.

8. The angle adjustment structure according to claim 1, wherein: The positioning member is a rod-shaped structure. One of the at least two positioning members is disposed at the front side of the bottom of the body, and the other positioning member is disposed at the rear side of the bottom of the body, and The locking member is arranged at the rear side of the accommodating cavity.

9. The angle adjustment structure according to claim 1, wherein: The locking member includes two locking members, and the two locking members can be locked with one positioning member simultaneously.

10. A baby carrier, comprising a body for carrying a baby and a base rotatably connected to the body, wherein: The baby carrier further comprises an angle adjustment structure according to any one of claims 1-9.

11. The infant carrier according to claim 10, wherein: The main body is provided with a concave portion, and the accommodating cavity is provided with a convex portion matched with the concave portion.

12. An angle adjustment structure, suitable for adjusting the angle of a body relative to a base, wherein the body is rotatably connected to the base, and a fixing member is provided on the base, wherein: The angle adjustment structure comprises: A positioning member is arranged on the main body, A locking member is rotatably disposed on the fixing member, and the locking member and the positioning member are locked or released by the rotation of the locking member. Wherein, the fixing member has a limiting portion for limiting the rotational travel of the locking member.

13. The angle adjustment structure according to claim 12, wherein: The locking member has a hook portion protruding from the base, and the positioning member has a positioning portion protruding from the body. The rotation of the locking member causes the hook portion to rotate and hook the positioning portion to lock or causes the hook portion to detach from the positioning portion to release the lock.

14. The angle adjustment structure according to claim 12, wherein: The base is provided with a through slot for the locking member to protrude therefrom, and the locking member can be rotated out of the through slot to lock with the positioning member, and / or the locking member can be rotated into the through slot and contact with the limiting portion to release the locking member.

15. The angle adjustment structure according to claim 12, wherein: A clamping gap is provided between the positioning member and the body for the locking member to extend into and engage with.

16. The angle adjustment structure according to claim 12, wherein: The locking member is connected to a driving member, and the driving member is moved to drive the locking member to rotate, so that the locking member and the positioning member are locked or released.

17. The angle adjustment structure according to claim 16, wherein: The locking member comprises: The locking member is rotatably arranged on the fixing member around the rotating portion. A connecting portion, through which the locking member is connected to the driving member.

18. The angle adjustment structure according to claim 16, wherein: The locking member comprises two locking members, An operating member is provided on the base or the body, and the operating member is connected to the two locking members through the two driving members. The operation of the operating member drives the two driving members to drive the two locking members, so that the two locking members are locked or released synchronously with the positioning member.

19. A baby carrier, comprising a body for carrying a baby and a base rotatably connected to the body, wherein: The baby carrier further comprises an angle adjustment structure according to any one of claims 12-18.

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