Turnover connection structure, intelligent host and intelligent watch

Abstract

The utility model discloses an overturning connecting structure, an intelligent host and an intelligent watch, the overturning connecting structure comprises a first support, a connecting piece and a first elastic piece, the first support is provided with a mounting cavity, the end wall of the mounting cavity extends in the direction away from the first support to form a rotating part, the connecting piece comprises a first connecting part, and the first connecting part is provided with a first elastic piece; the first connecting part is provided with a through hole connected with the rotating part in a matched mode, the connecting piece is arranged on the rotating part in a penetrating mode through the through hole, the rotating part is provided with two pressing rings, the two pressing rings are in friction contact with the two sides of the first connecting part respectively, the first elastic piece is arranged in the mounting cavity, and the second elastic piece is arranged in the mounting cavity. And two ends of the connecting rod are respectively connected with the end wall of the mounting cavity and the pressing ring. The connecting piece is installed on the rotating part through the pressing ring, an elastic piece and a side shaft which are arranged in a traditional rotating shaft are omitted, the axial length of the whole overturning connecting structure is reduced, and then the overall size of the structure is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of watches, in particular to a turnover connecting structure, a smart main machine and a smart watch. BACKGROUND

[0002] In the current smart watch and precision timing instrument design field, the watch shaft assembly as a key component for connecting the watch band and the watch case, realizing the wearing adjustment and fixing function, its design directly affects the overall appearance, wearing comfort and internal mechanical structure layout rationality of the watch. The traditional watch shaft assembly often adopts a relatively wide design to ensure sufficient structural strength and operation convenience, but such design inevitably increases the volume of the assembly, occupying the valuable space resources inside the watch.

[0003] With the increasing demand of consumers for the light and thin, fashionable smart watch, and the continuous improvement of the function integration of the smart watch, how to realize the miniaturization of the volume of the shaft assembly while maintaining its functionality and durability has become a technical problem to be solved. The traditional wide shaft design has been difficult to meet the needs of modern smart watches for compact structure design, especially in the trend of pursuing extreme thinness and complex function integration, the volume and length of the shaft assembly have become one of the key factors limiting the overall design optimization of the watch. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the embodiment of the present application is to provide a turnover connecting structure, a smart main machine and a smart watch, the connecting piece is installed on the rotating part through the press ring, reducing the spring and side shaft arranged in the traditional shaft, reducing the axial length of the whole turnover connecting structure, and further reducing the overall size of the structure.

[0005] In order to achieve the above purpose, the following technical scheme is adopted:

[0006] On the one hand, a turnover connecting structure is provided, comprising: a first support, a connecting piece and a first elastic piece, the first support is provided with a mounting cavity, the end wall of the mounting cavity extends in the direction away from the first support to form a rotating part, the connecting piece comprises a first connecting part, the first connecting part is provided with a through hole matched with the rotating part, the connecting piece is arranged in the rotating part through the through hole, the rotating part is provided with two press rings, the two press rings are respectively in frictional contact with the two sides of the first connecting part, the first elastic piece is arranged in the mounting cavity, and the two ends of the first elastic piece are respectively connected with the end wall of the mounting cavity and the press ring, so that the press ring close to the mounting cavity side always has a tendency to move towards the connecting piece.

[0007] Further, two sides of the first support are provided with the mounting cavity, and the rotating part is formed at the mounting cavity.

[0008] Further, the distance between the end faces of the two rotating parts is A, wherein 12.4mm≤A≤16.5mm.

[0009] Further, the second support is rotatably connected with the first support through a rotating assembly.

[0010] Further, the rotating assembly comprises a rotating part, and the first support is rotatably connected with the second support through the rotating part.

[0011] Further, a first inner cavity is formed at the middle part of the first support, the second support is provided with a second inner cavity corresponding to the first inner cavity, the bottom of the rotating part is arranged in the second inner cavity, the top of the rotating part passes through the first inner cavity and extends out of the first inner cavity, and the outer peripheral wall of the rotating part is provided with an abutting part, and the upper surface of the abutting part abuts against the inner wall surface of the second inner cavity.

[0012] Further, an opening is formed at the end of the first inner cavity away from the second support, the rotating assembly further comprises a second elastic part and a pressing plate, the pressing plate is arranged in the opening, the pressing plate is further provided with an axial hole for the rotating part to pass through, and the second elastic part is arranged in the first inner cavity and abuts against the pressing plate at one end and the inner wall surface of the first inner cavity at the other end, so that the inner wall surface of the second inner cavity is always in abutment with the upper surface of the abutting part.

[0013] Further, the second support is provided with two oppositely arranged plug-in parts, and the two plug-in parts have a tendency to move away from each other.

[0014] Further, a third elastic part is arranged between the two plug-in parts, and the third elastic part makes the two plug-in parts always have a tendency to move away from each other.

[0015] Further, the axial height of the second support is B, wherein 2.1mm≤B≤3mm.

[0016] Further, the second support is circular, and the diameter d of the second support is less than or equal to 6.9mm.

[0017] Further, the connecting part further comprises a second connecting part, and the second connecting part is connected to one end of the first connecting part and extends horizontally away from the first support.

[0018] In another aspect, the application provides an intelligent main machine, comprising a main machine body and the turnover connecting structure as described above, wherein the main machine body is connected with the connecting piece.

[0019] In yet another aspect, the application provides an intelligent watch, comprising a supporting plate, a watchband and the intelligent main machine as described above, wherein the first support is rotationally connected with the supporting plate, and the watchband is connected with the supporting plate.

[0020] Further, the supporting plate is rotationally connected with the second support.

[0021] The turnover connecting structure mainly comprises a first support, a connecting piece and a first elastic piece. The first support is internally provided with a mounting cavity, and an end wall thereof extends outward to form a rotating part specially designed to cooperate with the connecting piece. The core of the connecting piece is a first connecting part, and a through hole formed in the first connecting part is accurately matched with the rotating part, so that the connecting piece can be smoothly arranged in the through hole. To stabilize the connecting piece, two compression rings are intelligently arranged on the rotating part, and they are in close frictional contact with two sides of the first connecting part. This design discards the complex spring sheet and side shaft in the traditional rotating shaft, effectively reduces the axial length, and realizes the miniaturization of the structure. The first elastic piece is arranged in the mounting cavity, and two ends thereof are connected with the end wall of the mounting cavity and one compression ring, respectively, so as to ensure that the compression ring close to the mounting cavity always has a tendency to slightly move towards the connecting piece. This dynamic balance not only enhances the stability of the connection, but also improves the durability. When a user needs to adjust the wearing position of the intelligent watch or perform a turnover operation, only a moderate external force is needed to overcome the active frictional force between the first connecting part and the compression ring, so that the connecting piece can be flexibly rotated on the rotating part. Once the external force is removed, the new position is locked by the frictional force between the compression ring and the connecting piece, and the frictional force between the compression ring and the connecting piece is always stable by the elastic force of the first elastic piece, which is convenient and reliable.

[0022] The turnover connecting structure not only significantly reduces the volume of the rotating shaft assembly of the intelligent watch, simplifies the internal structure, reduces the manufacturing and maintenance costs, but also improves the wearing comfort. The design concept closely follows the trend of light and thin, fashionable modern intelligent watches, and meets the needs of consumers for compact structure design and high integration of functions. BRIEF DESCRIPTION OF DRAWINGS

[0023] The application will be further described in detail below according to the drawings and embodiments.

[0024] Figure 1 A perspective view of the turnover connecting structure described in the embodiments of the application;

[0025] Figure 2 A front view of the turnover connecting structure described in the embodiments of the application;

[0026] Figure 3A sectional view of the overturning connecting structure according to the embodiment of the present application;

[0027] Figure 4 A perspective view of the first support according to the embodiment of the present application;

[0028] Figure 5 An internal schematic view of the second support according to the embodiment of the present application;

[0029] Figure 6 A perspective view of the connecting piece according to the embodiment of the present application.

[0030] In the figure: 1, first support; 101, mounting cavity; 102, rotating part; 103, first inner cavity; 2, connecting piece; 201, first connecting part; 202, second connecting part; 2011, through hole; 3, first elastic piece; 4, pressing ring; 5, second support; 501, second inner cavity; 6, rotating assembly; 601, rotating piece; 602, second elastic piece; 603, pressing sheet; 7, plug-in piece; 8, third elastic piece. DETAILED DESCRIPTION

[0031] In order to make the technical problems solved by the present application, the technical solutions adopted and the technical effects reached more clear, the technical solutions of the embodiments of the present application are described in further detail below. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0032] In the description of the present application, unless explicitly defined and limited otherwise, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] In the present application, unless explicitly defined and limited otherwise, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0034] As Figures 1-5 shown, the embodiment provides a turnover connecting structure, comprising a first support 1, a connecting piece 2 and a first elastic piece 3. The first support 1 is provided with a mounting cavity 101. The end wall of the mounting cavity 101 extends in a direction away from the first support 1 to form a rotating part 102. The connecting piece 2 comprises a first connecting part 201, which is provided with a through hole 2011 for cooperating with the rotating part 102. The connecting piece 2 is arranged in the rotating part 102 through the through hole 2011. The rotating part 102 is provided with two compression rings 4, which are respectively in frictional contact with the two sides of the first connecting part 201. The first elastic piece 3 is arranged in the mounting cavity 101 and connected to the end wall of the mounting cavity 101 and the compression ring 4 at both ends, so that the compression ring 4 close to the mounting cavity 101 always has a tendency to move towards the connecting piece 2.

[0035] Based on the above scheme, the structure is composed of the first support 1, the connecting piece 2 and the first elastic piece 3. The first support 1 is internally provided with a mounting cavity 101, and the end wall thereof extends outward to form a rotating part 102 for cooperating with the connecting piece 2. The first connecting part 201 of the connecting piece 2 is provided with a through hole 2011, which can be easily arranged in the rotating part 102. In order to reduce the complex structure in the traditional rotating shaft, two compression rings 4 are innovatively adopted in the design, which are respectively located at the two sides of the first connecting part 201 and in frictional contact therewith, effectively simplifying the arrangement of the elastic piece and the side shaft. The compression ring 4 not only plays a role in fixing the connecting piece 2, but also enhances the stability of the connection with the aid of the first elastic piece 3. The first elastic piece 3 is arranged in the mounting cavity 101 and connected to the end wall of the mounting cavity 101 and the compression ring 4 at both ends, ensuring that the compression ring 4 close to the mounting cavity 101 always has a tendency to move towards the connecting piece 2, thereby maintaining a close contact state. This design not only simplifies the structure, but also improves the reliability and durability of the turnover connecting structure.

[0036] In work, the user can overcome the active frictional force between the first connecting part 201 and the compression ring 4 by applying an external force, so as to rotate the connecting piece 2 relative to the rotating part 102 to the required position. After rotation, the elastic force of the first elastic piece 3 makes the frictional force between the compression ring 4 and the connecting piece 2 always stable, and then the connecting piece 2 is firmly fixed by the frictional force between the compression ring 4 and the connecting piece 2. This design not only realizes the turnover function, but also significantly reduces the axial length, so that the overall size of the turnover connecting structure is more compact.

[0037] In addition, the flip connection structure of the present application is more convenient to install and maintain, reducing manufacturing difficulty and cost. At the same time, the miniaturization of the volume and the simplification of the structure also help to reduce the weight and thickness of the smart watch, improving the wearing comfort of the user. In summary, the flip connection structure of the present application realizes the miniaturization, functionality and durability of the smart watch shaft assembly through innovative design, providing a new solution for the design optimization of smart watches.

[0038] Further, the first support 1 is provided with the mounting cavity 101 on both sides, and the rotating part 102 is formed at the mounting cavity 101. The connecting piece 2 is provided with two, and the rotating part 102 is connected with the connecting piece 2 through the through hole 2011 of the first connecting part 201. The first support 1 is provided with the mounting cavity 101 on both sides, which means that the structure is more symmetrical and stable. The end wall of each mounting cavity 101 extends outward to form the rotating part 102, providing a stable connection point for the connecting piece 2. In this design, the number of connecting pieces 2 increases to two, which are located on both sides of the first support 1. Each connecting piece 2 is connected with the corresponding rotating part 102 through the through hole 2011 on the first connecting part 201. This double-sided connection design not only enhances the overall stability of the structure, but also provides more balanced support force for the smart watch.

[0039] In the flip connection structure of the present application, the two rotating parts 102 on the first support 1 are precisely sized. Specifically, the distance A between the end faces of the two rotating parts 102 is precisely controlled within the range of 12.4mm to 16.5mm. This design not only meets the needs of smart watches for compact structure design, but also ensures that the flip connection structure realizes the minimization of volume while maintaining functionality and durability.

[0040] Since the present scheme cancels the traditional elastic sheet and side shaft design, and instead adopts the friction connection method between the compression ring 4 and the connecting piece 2, this innovative design significantly reduces the axial length of the flip connection structure. In fact, thanks to this design, the minimum axial length of the flip connection structure can be as low as 12.4mm, which is difficult to achieve with traditional shaft assemblies. The advantage of this size design is that it makes the overall size of the smart watch more compact, more in line with the pursuit of modern consumers for light and thin products. At the same time, due to the reduction of the complexity and space occupied by the internal structure, the internal layout of the smart watch also becomes more reasonable, providing more possibilities for the integration of other functions.

[0041] In addition, the precise size design also ensures the stability and durability of the flip connection structure. The close frictional contact between the compression ring 4 and the connecting piece 2, as well as the elastic force of the first elastic member 3, together constitute a stable connection mechanism. This design not only improves the fatigue resistance of the flip connection structure, but also prolongs its service life.

[0042] In some embodiments, a second support 5 is also included, which is rotatably connected to the first support 1 through a rotating assembly 6. The second support 5 is rotatably connected to the first support 1 through the precisely designed rotating assembly 6, which allows the second support 5 to provide stable support force in all directions, effectively preventing the rotating connection structure from deforming or being damaged under stress. This stability is particularly important for smartwatches and other devices that need to be frequently flipped and adjusted in wearing angle. The presence of the second support 5 also provides more possibilities for functional expansion for smartwatches and other smart devices. For example, it can serve as a fixed part of the watchband, together with the first support 1 to form a complete wearing structure, not only increasing the wearing stability of the smartwatch, but also providing users with more diverse wearing options.

[0043] Specifically, the rotating assembly 6 includes a rotating piece 601, the first support 1 is rotatably connected to the second support 5 through the rotating piece 601, the middle position of the first support 1 is provided with a first inner cavity 103, the second support 5 is provided with a second inner cavity 501 corresponding to the first inner cavity 103, the bottom of the rotating piece 601 is arranged in the second inner cavity 501, the top of the rotating piece 601 passes through the first inner cavity 103 and comes out from the first inner cavity 103, the outer peripheral wall of the rotating piece 601 is provided with an abutting portion, and the upper surface of the abutting portion abuts against the inner wall surface of the second inner cavity 501. The middle position of the first support 1 is designed with a first inner cavity 103, which is a key spatial structure for accommodating and supporting part of the rotating piece 601. Correspondingly, the second support 5 is also provided with a second inner cavity 501 corresponding to the first inner cavity 103. The two inner cavities together provide a stable installation environment for the rotating piece 601. The bottom of the rotating piece 601 is cleverly arranged in the second inner cavity 501, while the top of the rotating piece 601 passes through the first inner cavity 103 and comes out from it. This design allows the rotating piece 601 to rotate freely between the two supports while maintaining the stability and reliability of the structure.

[0044] In order to further enhance the stability of the rotating connection and prevent loosening during rotation, the outer peripheral wall of the rotating part 601 is designed with an abutting portion. The upper surface of this abutting portion is in close abutment with the inner wall surface of the second inner cavity 501, thereby forming an effective fixed point, which not only improves the stability of the rotating connection, but also makes the rotating connection relationship between the rotating part 601 and the second support 5 always a close fit connection relationship, so that the rotating part 601 can maintain the state after rotation.

[0045] More specifically, the first inner cavity 103 is provided with an opening at one end away from the second support 5, and the rotating assembly 6 further comprises a second elastic member 602 and a pressing plate 603. The pressing plate 603 is installed at the opening, and the pressing plate 603 is also provided with an axle hole for the rotating part 601 to pass through. The second elastic member 602 is arranged in the first inner cavity 103, with one end in abutment with the pressing plate 603 and the other end in abutment with the inner wall surface of the first inner cavity 103. The second elastic member 602 makes the inner wall surface of the second inner cavity 501 always in close abutment with the upper surface of the abutting portion. The rotating assembly 6 not only includes the rotating part 601, but also includes the two key components of the second elastic member 602 and the pressing plate 603. The pressing plate 603 is carefully installed at the opening, and an axle hole is also provided on it for the rotating part 601 to pass through. This design ensures that the rotating part 601 can smoothly pass through the first inner cavity 103 under the guidance of the pressing plate 603 and realize rotating connection with the main body.

[0046] More importantly, the second elastic member 602 is ingeniously arranged in the inner cavity. One end is in close abutment with the pressing plate 603, and the other end is in stable contact with the inner wall surface of the first inner cavity 103. This design makes the elastic force of the second elastic member 602 drive the first support 1 against the second support 5, so that the inner wall surface of the second inner cavity 501 can always be in close abutment with the abutting portion on the outer peripheral wall of the rotating part 601. Even under external force, this close abutment relationship will not be easily destroyed, thereby ensuring the stability and reliability of the rotating connection.

[0047] It is worth noting that compared with the traditional structure, the present scheme eliminates the design of the shaft sleeve. In the traditional structure, a shaft sleeve is usually provided on the rotating part 601, and then fixed by the pressing plate 603. However, in the present scheme, the second elastic member 602 is directly fixed by the pressing plate 603, which not only simplifies the structure, but also reduces the manufacturing cost. At the same time, this design also ensures the stability and durability of the rotating part 601 during rotation.

[0048] Meanwhile, the size and shape of the second support 5 are precisely planned and limited to ensure the overall compactness, functionality, and aesthetics. In particular, the second support 5 is designed in a circular shape, which not only conforms to the conventional aesthetics of smart wearables such as smartwatches but also helps to improve the comfort and stability of wearing. Regarding the size of the second support 5, its diameter d is strictly controlled to be 6.9 millimeters or below. This limitation ensures that the second support 5 does not occupy excessive space while maintaining sufficient structural strength, thus maintaining the overall smallness and lightness of the smart host. At the same time, the smaller diameter also helps to reduce the feeling of pressure on the skin when wearing, improving the comfort of wearing.

[0049] In addition, the axial height B of the second support 5 is also precisely set to be between 2.1 millimeters and 3 millimeters. This height range not only ensures sufficient rotation space between the second support 5 and the first support 1, but also avoids the overall structure from being bloated due to excessive height. By carefully controlling the axial height, the smart host not only maintains functionality, but also maintains overall compactness and aesthetics.

[0050] On the other hand, a smart host is also provided, which includes a host body and a flip connection structure as described above, and the host body is connected with the connecting piece 2. The core part of the smart host is the host body, which carries all the core functions and components of the smart host. In order to be combined with the flip connection structure, the host body is carefully designed to be connected with the connecting piece 2. This connection method not only ensures the stability and reliability between the smart host and the flip connection structure, but also enables the smart host to flexibly adjust the wearing angle and position. By introducing the flip connection structure, the smart host obtains unprecedented flexibility and diversity. Users can easily adjust the wearing angle and position of the smart host according to personal preferences and needs, thereby obtaining the best wearing experience. This design not only improves the practicality of the smart host, but also provides users with a more personalized and comfortable use method.

[0051] In yet another aspect, a smart watch is provided, which includes a support plate, a watchband, and a smart host as described above, the watchband is connected to the support plate, the second support 5 is rotatably installed on the lower side of the first support 1 through the rotating assembly 6, and the second support 5 is rotatably connected with the support plate.

[0052] Based on the above scheme, the supporting plate, as an important supporting part of the smart watch, not only bears the weight of the smart host, but also provides more functional expansion space for the smart watch through its structural design. The watchband, as a connecting bridge between the smart watch and the user, is crucial in design and material selection. The smart host is the core part of the smart watch, integrating various sensors, processors, and communication modules, etc. core components, which can realize various intelligent functions. The second support 5 is rotatably installed on the lower side of the first support 1 through the rotating assembly 6, realizing the overturning function of the smart host relative to the supporting plate. By overturning the smart host, the user can conveniently view information and operate without frequently adjusting the angle of the wrist.

[0053] Further, the second support 5 is provided with two plug-in parts 7 arranged oppositely, and a third elastic element 8 is arranged between the two plug-in parts 7, which makes the two plug-in parts 7 always have a tendency to move away from each other. The two plug-in parts 7 in the second support 5 are designed accurately to match the pre-designed plug-in slots on the supporting plate. Under the action of the third elastic element, the two plug-in parts 7 always maintain a tendency to separate from each other, ensuring that the plug-in parts 7 can maintain a proper distance when not connected with the supporting plate, facilitating subsequent insertion operation. At the same time, the elastic force provided by the third elastic element also ensures that the plug-in parts 7 can be tightly fitted after being inserted into the plug-in slots, and are not easy to fall off, thereby realizing the stable connection between the second support 5 and the supporting plate.

[0054] It is worth mentioning that the connecting piece 2 also includes a second connecting part 202, which is connected to one end of the first connecting part 201 and extends horizontally away from the first support 1, and the second connecting part 202 is connected with the host body.

[0055] In the description herein, it should be understood that the terms "upper", "lower", "left", "right", etc. orientation or position relationship, is only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", are only used to distinguish in the description, and have no special meaning.

[0056] In the description of the present specification, the description referring to the terms "an embodiment", "an example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example.

[0057] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

[0058] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for the purpose of explaining the principles of the present application, and cannot be interpreted in any way as a limitation on the scope of protection of the present application. Based on the explanations here, those skilled in the art can think of other specific embodiments of the present application without creative labor, and these ways will fall within the scope of protection of the present application.

Claims

1. A flip connection structure, characterized in that, include: The system comprises a first bracket (1), a connector (2), and a first elastic member (3). The first bracket (1) has a mounting cavity (101), and the end wall of the mounting cavity (101) extends in a direction away from the first bracket (1) to form a rotating part (102). The connector (2) includes a first connecting part (201), and the first connecting part (201) has a through hole (2011) that cooperates with the rotating part (102). The connector (2) passes through the through hole (2011). The first elastic element (3) is disposed in the mounting cavity (101), and its two ends are respectively connected to the end wall of the mounting cavity (101) and the pressure ring (4), so that the pressure ring (4) on the side closer to the mounting cavity (101) always has a tendency to move towards the connecting element (2).

2. The flip connection structure according to claim 1, characterized in that, The first bracket (1) has mounting cavities (101) on both sides, and a rotating part (102) is formed in each mounting cavity (101). There are two connectors (2), both of which are connected to the rotating part (102) through the through hole (2011) of the first connector (201).

3. The flip connection structure according to claim 2, characterized in that, The distance between the end faces of the two rotating parts (102) is A, where 12.4mm≤A≤16.5mm.

4. The flip connection structure according to any one of claims 1-3, characterized in that, It also includes a second bracket (5), which is rotatably connected to the first bracket (1) via a rotating assembly (6).

5. The flip connection structure according to claim 4, characterized in that, The rotating assembly (6) includes a rotating component (601), and the first bracket (1) is rotatably connected to the second bracket (5) through the rotating component (601).

6. The flip connection structure according to claim 5, characterized in that, The first bracket (1) has a first inner cavity (103) at the middle position, and the second bracket (5) has a second inner cavity (501) corresponding to the first inner cavity (103). The bottom of the rotating member (601) is disposed in the second inner cavity (501), and the top of the rotating member (601) passes through the first inner cavity (103) and protrudes from the first inner cavity (103). The outer peripheral wall of the rotating member (601) is provided with an abutment portion, and the upper surface of the abutment portion abuts against the inner wall surface of the second inner cavity (501).

7. The flip connection structure according to claim 6, characterized in that, The first inner cavity (103) has an opening at one end away from the second bracket (5). The rotating assembly (6) also includes a second elastic element (602) and a pressure plate (603). The pressure plate (603) is installed in the opening. The pressure plate (603) also has a shaft hole for the rotating element (601) to pass through. The second elastic element (602) is disposed in the first inner cavity (103), and one end abuts against the pressure plate (603), and the other end abuts against the inner wall surface of the first inner cavity (103). The second elastic element (602) makes the inner wall surface of the second inner cavity (501) always abut against the upper surface of the abutting part.

8. The flip connection structure according to claim 4, characterized in that, The second bracket (5) is provided with two oppositely arranged plugs (7), and the two plugs (7) have a tendency to move in opposite directions.

9. The flip connection structure according to claim 8, characterized in that, A third elastic element (8) is provided between the two plug-in members (7), and the third elastic element (8) makes the two plug-in members (7) always tend to move in opposite directions.

10. The flip connection structure according to claim 4, characterized in that, The axial height of the second bracket (5) is B, where 2.1mm≤B≤3mm.

11. The flip connection structure according to claim 4, characterized in that, The second bracket (5) is circular in shape and its diameter d≤6.9mm.

12. The flip connection structure according to any one of claims 1-3, characterized in that, The connector (2) further includes a second connecting part (202), which is connected to one end of the first connecting part (201) and extends horizontally in a direction away from the first bracket (1).

13. A smart host, characterized in that, include: The host body and the flip connection structure as described in any one of claims 1-12, wherein the host body is connected to the connector (2).

14. A smartwatch, characterized in that, Includes a support plate, a watch strap, and a smart host as described in claim 13, wherein the first bracket (1) is rotatably connected to the support plate, and the watch strap is connected to the support plate.

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