Wearable device

Abstract

The invention provides wearable equipment, and belongs to the technical field of electronic equipment.The wearable equipment comprises a main body part and a rotating part, a base is arranged on the main body part, and the rotating part is rotationally connected with the base through a rotating piece; wherein a buffer piece is arranged between the base and the rotating piece, and the buffer piece is filled with non-Newtonian fluid.

Description

Technical Field

[0001] The present application belongs to the technical field of electronic equipment, and specifically relates to a wearable device. Background Art

[0002] At present, some electronic devices have the demand for slight opening and closing, for example, wearable devices such as smart glasses, whose wearing parts (temples or wristbands, etc.) need to have a certain degree of inward or outward folding ability to adapt to different users. In order to adapt to the above functions, a rotating device is usually provided on the electronic device. However, in order to reduce the weight or thickness of the electronic device, the structural strength of the rotating device is relatively low, which may cause damage to the rotating device when the electronic device falls or other accidents occur. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a wearable device that can effectively solve the technical problem that the rotating device has low strength and is easily damaged.

[0004] In a first aspect, an embodiment of the present application provides a wearable device, including:

[0005] A main body and a rotating part, wherein the main body is provided with a base, and the rotating part is rotatably connected to the base through a rotating member;

[0006] A buffer is arranged between the base and the rotating member, and the buffer is filled with a non-Newtonian fluid.

[0007] In an embodiment of the present application, the wearable device includes a main body and a rotating part. The main body is rotatable relative to the rotating part. A base is provided on the main body. The rotating part is rotatably connected to the base through a rotating member, thereby realizing the rotation of the rotating part relative to the main body.

[0008] The base and the rotating part can rotate relative to each other, and a buffer is arranged between the base and the rotating part. The buffer is filled with a non-Newtonian fluid. When the non-Newtonian fluid is subjected to a rapid impact, a temporary mesh structure is formed, thereby increasing the viscosity and elasticity of the liquid. At this time, the liquid becomes particularly hard, thereby playing a buffering role during a fall impact. At the same time, when there is no pressure or slow pressure, the non-Newtonian fluid exhibits the fluidity of a liquid, so that the base and the rotating part can rotate freely within a certain angle. When the wearable device is dropped or hit, the buffer can support the base and the rotating part, thereby reducing the possibility of collapse of the base and the rotating part. When the user slowly rotates the main body and the rotating part, the buffer can adapt to the rotation between the base and the rotating part to meet the needs of the user, so that the rotating part can be freely folded inward or outward within a certain angle, thereby improving the reliability of the wearable device without affecting the daily wearing and use of the wearable device. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0010] Figure 1 A schematic diagram of a wearable device provided by an embodiment of the present application is shown;

[0011] Figure 2 A schematic diagram of a base and a rotating member in a wearable device provided in one embodiment of the present application is shown;

[0012] Figure 3 A cross-sectional view of a base and a rotating member in a wearable device provided by an embodiment of the present application is shown;

[0013] Figure 4 A cross-sectional view of a base and a rotating member in a wearable device provided by an embodiment of the present application is shown;

[0014] Figure 5 A schematic diagram of a base in a wearable device provided in one embodiment of the present application is shown;

[0015] Figure 6 A schematic diagram of a rotating member in a wearable device provided in one embodiment of the present application is shown;

[0016] Figure 7 A schematic diagram of a buffer in a wearable device provided in one embodiment of the present application is shown;

[0017] Figure 8 A schematic diagram showing a partial structure of a wearable device provided in an embodiment of the present application is shown.

[0018] Figures 1 to 8 Reference numerals:

[0019] 100 wearable device, 110 main body, 120 rotating part, 122 first shell, 124 second shell, 130 base, 132 limiting protrusion, 134 first side wall, 136 second side wall, 138 accommodating groove, 140 first main body, 142 first step portion, 144 second step portion, 146 first axial hole, 148 first mounting hole, 150 rotating member, 152 limiting groove, 154 groove wall, 156 convex rib, 158 stop surface, 160 second main body, 162 second axial hole, 164 second mounting hole, 170 buffer member, 172 non-Newtonian fluid, 174 sealing bag, 180 rotating shaft. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and should not be construed as limitations on the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0021] The term "first" or "second" in the specification and claims of this application may include one or more of the features explicitly or implicitly. In the description of this application, unless otherwise specified, "plurality" means two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means that the objects connected before and after are in an "or" relationship.

[0022] In the description of the present application, it should be understood that the terms "upper", "inner", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0023] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0024] Combine the following Figures 1 to 8 A wearable device 100 according to an embodiment of the present application is described.

[0025] like Figure 1 and Figure 2 As shown, an embodiment of the present application provides a wearable device 100, including: a main body 110 and a rotating part 120, wherein a base 130 is arranged on the main body 110, and the rotating part 120 is rotatably connected to the base 130 through a rotating member 150; wherein a buffer member 170 is arranged between the base 130 and the rotating member 150, and the buffer member 170 is filled with a non-Newtonian fluid 172.

[0026] In an embodiment of the present application, the wearable device 100 includes a main body 110 and a rotating part 120. The main body 110 is rotatable relative to the rotating part 120. A base 130 is provided on the main body 110. The rotating part 120 is rotatably connected to the base 130 through a rotating member 150, thereby realizing the rotation of the rotating part 120 relative to the main body 110.

[0027] The base 130 and the rotating member 150 can rotate relative to each other, and a buffer 170 is arranged between the base 130 and the rotating member 150. The buffer 170 is filled with a non-Newtonian fluid 172. When the non-Newtonian fluid 172 is subjected to a rapid impact, a temporary mesh structure is formed, thereby increasing the viscosity and elasticity of the liquid. At this time, it becomes particularly hard, thereby playing a buffering role during a drop impact; at the same time, when there is no pressure or a slow pressure, the non-Newtonian fluid 172 exhibits the fluidity of the liquid, so that the base 130 and the rotating member 150 can rotate at a certain angle. The wearable device 100 can rotate freely within a certain angle, so when the wearable device 100 is dropped or hit, the buffer 170 can support the base 130 and the rotating member 150, thereby reducing the possibility of collapse of the base 130 and the rotating member 150. When the user slowly rotates the main body 110 and the rotating member 120, the buffer 170 can adapt to the rotation between the base 130 and the rotating member 150 to meet the needs of the user, so that the rotating member 120 can be freely folded inward or outward within a certain angle, thereby improving the reliability of the wearable device 100 without affecting the daily wearing and use of the wearable device 100.

[0028] Among them, the buffer 170 also includes a sealing bag 174, and the non-Newtonian fluid 172 is filled in the sealing bag 174. When the buffer 170 is subjected to a rapid impact, based on the characteristics of the non-Newtonian fluid 172, the buffer 170 becomes hard, thereby playing a buffering role during the falling impact; at the same time, when there is no pressure or slow pressure, based on the characteristics of the non-Newtonian fluid 172, the buffer 170 becomes soft, so that the base 130 and the rotating member 150 can rotate freely within a certain angle.

[0029] The present application can solve the problem of weak reliability of the connection between the rotating part 120 and the main body 110 . The base 130 can be connected to the main body 110 through the first mounting hole 148 , and the rotating member 150 can be connected to the rotating part 120 through the second mounting hole 164 .

[0030] like Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, as a possible embodiment, one of the base 130 and the rotating member 150 includes a limiting protrusion 132, and the other of the base 130 and the rotating member 150 includes a limiting groove 152, the limiting protrusion 132 is inserted into the limiting groove 152, and the buffer member 170 is located between the limiting protrusion 132 and the limiting groove 152.

[0031] Specifically, one of the base 130 and the rotating member 150 includes a limiting protrusion 132, and the other of the base 130 and the rotating member 150 includes a limiting groove 152. The limiting protrusion 132 is inserted into the limiting groove 152, and the buffer 170 is located between the limiting protrusion 132 and the limiting groove 152. That is, the connection strength between the base 130 and the rotating member 150 is increased by the limiting protrusion 132 and the limiting groove 152. When the rotating member 150 rotates relative to the base 130, the limiting protrusion 132 rotates in the limiting groove 152, and the buffer 170 is arranged between the limiting protrusion 132 and the limiting groove 152. With the arrangement of 70, when the wearable device 100 falls or is impacted, the limiting protrusion 132 and the groove wall 154 of the limiting groove 152 can quickly squeeze the buffer member 170, and through the characteristics of the non-Newtonian fluid 172, the base 130 and the rotating member 150 are fixed, thereby avoiding the collapse of the base 130 and the rotating member 150. When the user slowly rotates the main body 110 and the rotating part 120, the characteristics of the non-Newtonian fluid 172 allow the base 130 and the rotating part 150 to rotate smoothly, thereby adjusting the angle of the rotating part 120 relative to the main body 110.

[0032] When subjected to rapid impact, a temporary network structure will be formed, which will increase the viscosity and elasticity of the liquid. At this time, it will become particularly hard, thus playing a cushioning role during falling impact.

[0033] For example, the base 130 includes a limiting protrusion 132 , and the rotating member 150 includes a limiting groove 152 ; or the rotating member 150 includes a limiting protrusion 132 , and the base 130 includes a limiting groove 152 .

[0034] like Figure 3 and Figure 4 As shown, as a possible embodiment, the limiting protrusion 132 includes a first side wall 134 and a second side wall 136 that are opposite to each other, the base 130 and the rotating member 150 can rotate along the direction from the first side wall 134 to the second side wall 136 and the direction from the second side wall 136 to the first side wall 134, the number of the buffer members 170 is at least two, at least one buffer member 170 is provided between the first side wall 134 and the groove wall 154 of the limiting groove 152, and at least one buffer member 170 is provided between the second side wall 136 and the groove wall 154 of the limiting groove 152.

[0035] Specifically, the limiting protrusion 132 includes a first side wall 134 and a second side wall 136 that are opposite to each other, and the rotation direction of the base 130 and the rotating member 150 is from the first side wall 134 to the second side wall 136 and from the second side wall 136 to the first side wall 134. In addition, there is at least one buffer member 170 between the first side wall 134 and the groove wall 154 of the limiting groove 152, and there is at least one buffer member 170 between the second side wall 136 and the groove wall 154 of the limiting groove 152. Therefore, the buffer member 170 is used to support both sides of the limiting protrusion 132, thereby improving the protection effect between the base 130 and the rotating member 150.

[0036] like Figure 3 and Figure 4 As shown, as a possible implementation, the first side wall 134 is a plane, and the groove walls 154 of the limiting groove 152 opposite to the first side wall 134 are all planes; the second side wall 136 is a plane, and the groove walls 154 of the limiting groove 152 opposite to the second side wall 136 are all planes.

[0037] Specifically, the first side wall 134, the groove wall 154 of the limiting groove 152 opposite to the first side wall 134, the second side wall 136, and the groove wall 154 of the limiting groove 152 opposite to the second side wall 136 are all planes, that is, the surfaces in contact with the buffer member 170 are all planes, thereby reducing the possibility of the limiting protrusion 132 and the groove wall 154 of the limiting groove 152 squeezing the buffer member 170.

[0038] like Figure 3 and Figure 4 As shown, as a possible implementation, a rib 156 is provided in the limiting groove 152 , and a receiving groove 138 is provided in the limiting protrusion 132 , and the rib 156 is inserted into the receiving groove 138 .

[0039] Specifically, the limiting groove 152 has a rib 156, and the strength of the limiting groove 152 is improved by the rib 156. The limiting protrusion 132 has a receiving groove 138, thereby improving the strength of the limiting protrusion 132, thereby reducing the possibility of damage such as breakage of the limiting protrusion 132, and improving the service life of the wearable device 100.

[0040] That is, the cross-section of the limiting protrusion 132 is set to an I-beam structure to enhance the local structural rigidity and prevent the wearable device 100 from deformation and cracking risks during the drop impact process. In addition, the position between the limiting protrusion 132 and the limiting groove 152 is filled with a buffer 170 having a non-Newtonian fluid 172. When the non-Newtonian fluid 172 is subjected to a rapid impact, a temporary mesh structure is formed, thereby increasing the viscosity and elasticity of the liquid, and it becomes particularly hard at this time, thereby playing a buffering role during the drop impact. At the same time, when there is no pressure or slow pressure, the non-Newtonian fluid 172 exhibits the fluidity of the liquid, so that the rotating part 120 can be freely folded inward or outward within a certain angle, without affecting the daily wearing and use of the wearable device 100.

[0041] The number of the ribs 156 can be two, three or four. The number of the receiving grooves 138 can be two, three or four. The shapes of the ribs 156 and the receiving grooves 138 can be any shapes.

[0042] like Figure 5 and Figure 6 As shown, as a possible embodiment, the base 130 also includes: a first main body 140, a limiting protrusion 132 is arranged on the first main body 140; a first step portion 142 is arranged on the first main body 140 and is located on one side of the limiting protrusion 132; a second step portion 144 is arranged on the first main body 140 and is located on the other side of the limiting protrusion 132 away from the first step portion 142; wherein, when the rotating member 150 rotates to the first position, the rotating member 150 and the first step portion 142 abut against each other to limit the rotating member 150 from continuing to rotate; when the rotating member 150 rotates to the second position, the rotating member 150 and the second step portion 144 abut against each other to limit the rotating member 150 from continuing to rotate.

[0043] Specifically, the base 130 also includes a first main body 140, a first step portion 142 and a second step portion 144, and the limiting protrusion 132, the first step portion 142 and the second step portion 144 are all arranged on the first main body 140, and the first step portion 142 and the second step portion 144 are respectively arranged on both sides of the limiting protrusion 132, wherein, when the rotating member 150 rotates to the first position, the rotating member 150 and the first step portion 142 abut against each other to limit the rotating member 150 from continuing to rotate, and limit the rotation range of the base 130 and the rotating member 150 in one direction; when the rotating member 150 rotates to the second position, the rotating member 150 and the second step portion 144 abut against each other to limit the rotating member 150 from continuing to rotate, and limit the rotation range of the base 130 and the rotating member 150 in another direction.

[0044] Furthermore, the first step portion 142 is also used to cover the buffer 170 located on one side of the limiting protrusion 132, and the second step portion 144 is also used to cover the buffer 170 located on the other side of the limiting protrusion 132, thereby reducing the possibility of external debris damaging the buffer 170 and reducing the possibility of the buffer 170 detaching.

[0045] The first step portion 142 and the second step portion 144 are opposite to the edge of the limiting groove 152 , so as to be blocked at the edge of the limiting groove 152 .

[0046] like Figure 6 As shown, as a possible implementation, the rotating member 150 further includes: a stop surface 158 located at the edge of the limiting groove 152 , and the stop surface 158 is used to limit the first step portion 142 and the second step portion 144 .

[0047] Specifically, the rotating member 150 also includes a stop surface 158 arranged on the edge of the limiting groove 152, so that the rotation angle of the rotating member 150 is limited by the cooperation of the stop surface 158 and the first step portion 142 and the second step portion 144. When the rotating member 150 rotates to the first position, one stop surface 158 and the first step portion 142 abut against each other to limit the rotating member 150 from continuing to rotate, and limit the rotation range of the base 130 and the rotating member 150 in one direction; when the rotating member 150 rotates to the second position, another stop surface 158 and the second step portion 144 abut against each other to limit the rotating member 150 from continuing to rotate, and limit the rotation range of the base 130 and the rotating member 150 in another direction.

[0048] like Figure 2 , Figure 3 and Figure 4 As shown, as a possible implementation, the wearable device 100 further includes: a rotating shaft 180, a first shaft hole 146 is provided on the base 130, a second shaft hole 162 is provided on the rotating member 150, and the rotating shaft 180 is passed through the first shaft hole 146 and the second shaft hole 162.

[0049] Specifically, the wearable device 100 also includes a rotating shaft 180, a first shaft hole 146 is provided on the base 130, a second shaft hole 162 is provided on the rotating member 150, and the rotating shaft 180 is passed through the first shaft hole 146 and the second shaft hole 162, so that the rotating connection between the base 130 and the rotating member 150 is realized through the rotating shaft 180.

[0050] As a possible implementation manner, the number of the limiting protrusions 132 and the number of the limiting grooves 152 are both at least two, and at least two limiting grooves 152 are spaced apart from each other.

[0051] Specifically, the number of the limiting protrusions 132 and the limiting grooves 152 are both two, and the two limiting grooves 152 are arranged at intervals, thereby increasing the reliability of rotation between the base 130 and the rotating member 150, and the two groups of limiting protrusions 132 and limiting grooves 152 can share the impact on the base 130 and the rotating member 150, further reducing the possibility of damage to the rotating device.

[0052] As a possible implementation, the wearable device 100 is a pair of smart glasses, the main body 110 is a frame, and the rotating part 120 is a temple; or the wearable device 100 is a watch, the main body 110 is a dial, and the rotating part 120 is a strap.

[0053] Specifically, the wearable device 100 is a pair of smart glasses, the main body 110 is a frame, and the rotating part 120 is a temple, thereby reducing the possibility of damage to the smart glasses while ensuring the user experience of the smart glasses; or the wearable device 100 is a watch, the main body 110 is a dial, and the rotating part 120 is a strap, thereby reducing the possibility of damage to the watch while ensuring the user experience of the watch.

[0054] As a possible implementation, the non-Newtonian fluid 172 can be a melt or solution of materials such as polyethylene, polyacrylamide, polyvinyl chloride, nylon or rubber. The present application uses the characteristics of the non-Newtonian fluid 172 to protect the rotating part 150 and the base 130 while ensuring the normal rotation of the rotating part 150 and the base 130. Those skilled in the art can use any non-Newtonian fluid 172.

[0055] like Figure 8 As shown, as a possible implementation, the rotating portion 120 includes a first shell 122 and a second shell 124 , and the first shell 122 and the second shell 124 are fixedly connected to the rotating member 150 .

[0056] like Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the base 130 is connected to the rotating member 150 in a manner similar to a latch. The first step portion 142 and the second step portion 144 on the base 130 play a role of blocking and sealing. The first step portion 142 plays a role of blocking and sealing at the first side wall 134 of the limiting protrusion 132, and the second step portion 144 plays a role of blocking and sealing at the second side wall 136 of the limiting protrusion 132. In addition, the base 130 and the rotating member 150 are also connected by a rotating shaft 180, and the rotating shaft 180 connects the base 130 and the rotating member 150 through the first shaft hole 146 and the second shaft hole 162, so as to ensure that the base 130 and the rotating member 150 can rotate.

[0057] A buffer 170 is arranged between the limiting protrusion 132 and the limiting groove 152. The buffer 170 includes a sealing bag 174 and a non-Newtonian fluid 172 filled in the sealing bag 174. The sealing bag 174 can prevent the non-Newtonian fluid 172 from overflowing. There are multiple buffers 170, corresponding to multiple gaps respectively, that is, the gap corresponding to the first side wall 134 of the limiting protrusion 132 and the gap corresponding to the second side wall 136 are both provided with buffers 170.

[0058] When the non-Newtonian fluid 172 is subjected to a rapid impact, a temporary mesh structure is formed, thereby increasing the viscosity and elasticity of the liquid, and the liquid becomes particularly hard, thereby playing a buffering role during a drop impact. At the same time, when there is no pressure or a slow pressure, the non-Newtonian fluid 172 exhibits the fluidity of a liquid, so that the base 130 and the rotating member 150 can be freely folded inward or outward within a certain angle.

[0059] The base 130 includes a first body 140, on which a limiting protrusion 132 is provided. The cross section of the limiting protrusion 132 adopts an I-beam structure, thereby enhancing the local rigidity and preventing the base 130 from being deformed or cracked in the protruding direction of the limiting protrusion 132. In addition, a first step portion 142 and a second step portion 144 are provided on both sides of the limiting protrusion 132, and the first step portion 142 and the second step portion 144 play a role of stopping, and can also ensure the airtightness of the gap between the first side wall 134 and the second side wall 136 of the limiting protrusion 132 and the limiting groove 152. The first body 140 is also provided with a first mounting hole 148, and the first mounting hole 148 is used to fix with the rotating part 120 by screws, and the first body 140 is also provided with a first shaft hole 146.

[0060] The rotating member 150 includes a second main body 160 , on which a limiting groove 152 , a second mounting hole 164 and a second shaft hole 162 are provided. The limiting groove 152 is used to accommodate the limiting protrusion 132 , and the second mounting hole 164 is used to be connected to the body by screws.

[0061] The rotating part 120 of the wearable device 100 is connected to the base 130 through the rotating member 150, wherein the rotating member 150 and the base 130 are connected in a manner similar to a latch, and the base 130 and the rotating member 150 are connected by a rotating shaft 180, thereby ensuring that the base 130 and the rotating member 150 can rotate, and the main body is fixedly connected to the base 130 by screw fastening, and the rotating part 120 is fixedly connected to the rotating member 150 by screws. There is a gap between the upper and lower sides of the limiting protrusion 132 of the base 130 and the rotating member 150, and the gap is filled by a buffer 170 with a non-Newtonian fluid 172, wherein in order to ensure airtightness, the base 130 is designed with a first step portion 142 and a second step portion 144, thereby blocking the gap, and the non-Newtonian fluid 172 is filled in a sealing bag 174 and pasted on the base 130 to prevent the non-Newtonian fluid 172 from overflowing.

[0062] In addition, the cross-section of the limiting protrusion 132 of the base 130 adopts an I-beam design, thereby enhancing the local structural rigidity and preventing the wearable device 100 from being deformed and cracked during a drop impact, thereby satisfying the function of buffering and protecting the rotating part 150 of the wearable device 100 during a drop impact, while not affecting the daily wear and use of the rotating part 120.

[0063] Specifically, the rotating part 120 includes a first shell 122 and a second shell 124, and the rotating member 150 is fastened to the first shell 122 and the second shell 124 by screws. The base 130 is fixedly connected to the main body 110 by screws. The base 130 is connected to the rotating member 150 in a manner similar to a latch, and a rotating shaft 180 is also provided between the base 130 and the rotating member 150 to ensure that the base 130 and the rotating member 150 can rotate.

[0064] As a possible implementation, the main body 110 and the rotating part 120 may cover the base 130 and the rotating member 150 , thereby improving the aesthetics of the wearable device 100 .

[0065] In the description of this specification, the description with reference to the terms "one embodiment" or "specific embodiment" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A wearable device, characterized in that: include: A main body and a rotating part, wherein the main body is provided with a base, and the rotating part is rotatably connected to the base via a rotating member; Wherein, a buffer member is arranged between the base and the rotating member, and the buffer member is filled with a non-Newtonian fluid.

2. The wearable device according to claim 1, characterized in that: One of the base and the rotating member includes a limiting protrusion, and the other of the base and the rotating member includes a limiting groove. The limiting protrusion is inserted into the limiting groove, and the buffer member is located between the limiting protrusion and the limiting groove.

3. The wearable device according to claim 2, characterized in that: The limiting protrusion includes a first side wall and a second side wall that are opposite to each other, the base and the rotating member can rotate along the direction from the first side wall to the second side wall and along the direction from the second side wall to the first side wall, the number of the buffer members is at least two, at least one of the buffer members is provided between the first side wall and the groove wall of the limiting groove, and at least one of the buffer members is provided between the second side wall and the groove wall of the limiting groove.

4. The wearable device according to claim 3, characterized in that: The first side wall is a plane, and the groove walls of the limiting groove opposite to the first side wall are all planes; The second side wall is a plane, and the groove walls of the limiting groove opposite to the second side wall are all planes.

5. The wearable device according to any one of claims 2 to 4, characterized in that: The limiting groove has a convex rib in it, the limiting protrusion has a receiving groove in it, and the convex rib is inserted into the receiving groove.

6. The wearable device according to any one of claims 2 to 4, characterized in that: The base also includes: A first body, wherein the limiting protrusion is arranged on the first body; A first step portion is provided on the first body and is located on one side of the limiting protrusion; A second step portion is provided on the first main body and is located on the other side of the limiting protrusion away from the first step portion; When the rotating member rotates to the first position, the rotating member and the first step portion abut against each other to limit the rotating member from continuing to rotate; when the rotating member rotates to the second position, the rotating member and the second step portion abut against each other to limit the rotating member from continuing to rotate.

7. The wearable device according to claim 6, characterized in that: The rotating member also includes: A stop surface is located at an edge of the limiting groove, and the stop surface is used to limit the first step portion and the second step portion.

8. The wearable device according to any one of claims 1 to 4, characterized in that: Also includes: The rotating shaft has a first shaft hole on the base, a second shaft hole on the rotating member, and the rotating shaft passes through the first shaft hole and the second shaft hole.

9. The wearable device according to any one of claims 2 to 4, characterized in that: The number of the limiting protrusions and the number of the limiting grooves are both at least two, and at least two of the limiting grooves are spaced apart from each other.

10. The wearable device according to any one of claims 1 to 4, characterized in that: The wearable device is a pair of smart glasses, the main body is a frame, and the rotating part is a temple; or The wearable device is a watch, the main body is a dial, and the rotating part is a watch strap.

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