Imaging device

Abstract

The utility model belongs to the technical field of camera devices, and particularly provides a camera device which comprises a wall-mounted support and a ball machine, the wall-mounted support is provided with an inner cavity and a butt joint opening communicated with the inner cavity, a clamping protrusion and a stopping protrusion are arranged on the wall face of the inner cavity, and the ball machine comprises a ball machine body and a butt joint head arranged on the ball machine body. The butt joint is provided with a first matching protrusion and a second matching protrusion, the butt joint can be inserted into the inner cavity from the butt joint opening and rotate in the first direction until the second matching protrusion abuts against the stop protrusion, and the first matching protrusion is clamped on the side, back to the butt joint opening, of the clamping protrusion. The first matching protrusion on the butt joint is clamped on the side, opposite to the butt joint opening, of the clamping protrusion in the inner cavity, that is, the dome camera can be completely supported by the wall-mounted support without being lifted by a worker with hands, so that the worker can release the two hands to easily screw a screw and fix the dome camera on the wall-mounted support, the installation efficiency can be improved, and the installation cost is reduced. And the physical strength of workers can be saved.

Description

Technical Field

[0001] The present application belongs to the technical field of camera devices, and in particular, relates to a camera device. Background Art

[0002] When installing a spherical camera, the wall mount bracket is usually fixed to a fixed object such as a wall first, and then a part of the dome camera is inserted into the mounting hole of the wall mount bracket. Then, the dome camera is supported by one hand and the screws are tightened with the other hand to fix the dome camera on the wall mount bracket. This installation method is not only inefficient, but also very physically demanding for workers. Workers are prone to exhaustion after continuous work, and there is a risk of the dome camera slipping out of their hands and falling. Utility Model Content

[0003] The purpose of the present application is to provide a camera device, aiming to solve the technical problems in the prior art that the installation efficiency of spherical cameras is low and the installation is very labor-intensive for workers.

[0004] To achieve the above-mentioned purpose, the technical solution adopted in this application is: a camera device, including a wall-mounted bracket and a ball camera, the wall-mounted bracket is provided with an inner cavity and a docking port connected to the inner cavity, a locking protrusion and a stop protrusion are provided on the wall surface of the inner cavity, the ball camera includes a ball camera body and a docking head provided on the ball camera body, a first mating protrusion and a second mating protrusion are provided on the docking head, the docking head can be inserted into the inner cavity from the docking port and rotated in a first direction until the second mating protrusion abuts against the stop protrusion, and the first mating protrusion is locked on the side of the locking protrusion facing away from the docking port.

[0005] Furthermore, the positioning protrusion and the stop protrusion are arranged in sequence along the direction away from the docking port, a gap is provided between the positioning protrusion and the stop protrusion for the first matching protrusion to pass through, and the second matching protrusion is arranged on the side of the first matching protrusion facing away from the ball camera body.

[0006] Furthermore, there are multiple locking protrusions, and the multiple locking protrusions are arranged at circumferential intervals along the docking interface. The number of first mating protrusions is consistent with the number of locking protrusions. The multiple first mating protrusions are matched with the multiple locking protrusions in a one-to-one correspondence, and a gap for the locking protrusion to pass through is formed between two adjacent first mating protrusions.

[0007] Furthermore, a second mating protrusion is arranged on the first mating protrusion, a first stop surface is arranged at one end of the second mating protrusion, and a second stop surface is arranged at the other end of the second mating protrusion. When the docking joint is rotated in the first direction until the stop protrusion abuts against the first stop surface, the first mating protrusion is clamped on the locking protrusion. When the docking joint is rotated in the opposite direction of the first direction until the stop protrusion abuts against the second stop surface, the locking protrusion is aligned with the notch.

[0008] Furthermore, the locking protrusion narrows toward the direction close to the docking port;

[0009] And / or, the notch narrows toward the direction approaching the ball camera body.

[0010] Furthermore, the ball camera body has a positioning boss, and the docking head is arranged on the positioning boss. When the docking head is inserted into the inner cavity from the docking port until the docking port abuts against the positioning boss, the docking head can rotate in the first direction so that the first mating protrusion is clamped on the side of the locking protrusion facing away from the docking port.

[0011] Furthermore, there are multiple stop protrusions, which are arranged at circumferential intervals along the docking interface, and the number of second mating protrusions is consistent with the number of stop protrusions. Multiple second mating protrusions are arranged at circumferential intervals along the docking interface and are mated with the multiple stop protrusions one-to-one.

[0012] Furthermore, a docking mark is provided on the outer surface of the wall-mounted bracket, and an unlocking mark and a locking mark are provided on the outer surface of the ball camera body. When the unlocking mark is aligned with the docking mark, the docking head can be inserted into the inner cavity from the docking port. When the docking head is rotated in the first direction in the inner cavity until the locking mark is aligned with the docking mark, the first mating protrusion is clamped on the side of the locking protrusion facing away from the docking port, and the second mating protrusion abuts against the stop protrusion.

[0013] Furthermore, the camera device also includes a threaded fastener, and the wall-mounted bracket is provided with a threaded hole. When the first mating protrusion is clamped on the side of the locking protrusion facing away from the docking port, the threaded fastener can pass through the threaded hole and extend into the side of the first mating protrusion facing the locking protrusion, and abut against the docking port.

[0014] Furthermore, the wall-mounted bracket includes a mounting seat, a support arm and a connecting tube, one end of the support arm is connected to the mounting seat, the other end of the support arm is connected to one end of the connecting tube, the other end of the connecting tube forms a docking port, and the lumen of the connecting tube forms an inner cavity.

[0015] Compared with the prior art, the camera device provided by the present application has the following beneficial effects: during installation, the docking joint of the ball camera is inserted into the inner cavity of the wall-mounted bracket from the docking hole of the wall-mounted bracket, and then the ball camera is rotated in the first direction until the second mating protrusion of the docking joint abuts against the stop protrusion in the inner cavity. At this time, the ball camera is rotated into place, and the first mating protrusion of the docking joint is clamped on the side of the clamping protrusion in the inner cavity facing away from the docking port, that is, the ball camera can be completely supported by the wall-mounted bracket without the need for workers to lift it with their hands, so that the workers can free their hands to easily fix the ball camera on the wall-mounted bracket, for example, the ball camera can be fixed to the wall-mounted bracket by screwing screws, which not only improves the installation efficiency, but also saves the workers' physical strength, and effectively avoids the problem of the ball camera falling out of their hands due to physical exhaustion of the workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 A schematic diagram of the structure of a camera device provided in an embodiment of the present application;

[0018] Figure 2 for Figure 1 A diagram showing the matching structure of the butt joint of the ball camera of the camera device and the positioning protrusion and the stop protrusion of the wall-mounted bracket;

[0019] Figure 3 for Figure 1 An enlarged view of the partial structure of the ball camera of the camera device shown;

[0020] Figure 4 for Figure 1 A schematic diagram of the structure of a wall-mounted bracket of a camera device shown;

[0021] Figure 5 for Figure 1 A bottom view of the wall mount bracket of the camera device shown;

[0022] Figure 6 for Figure 1 An enlarged view of the camera device shown at point A.

[0023] Among them, the reference numerals in the figure are:

[0024] 10. Wall-mounted bracket; 11. Connecting pipe; 111. Inner cavity; 112. Docking port; 113. Positioning protrusion; 114. Stop protrusion; 115. Docking mark; 116. Threaded hole; 12. Mounting seat; 13. Support arm;

[0025] 20. ball camera; 21. ball camera body; 22. docking joint; 23. first matching protrusion; 24. second matching protrusion; 241. first stop surface; 242. second stop surface; 25. notch; 26. positioning boss; 27. unlock mark; 28. lock mark;

[0026] 30. Threaded fasteners. DETAILED DESCRIPTION

[0027] The embodiments of the present application are 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 intended to be used to explain the present application, and should not be construed as limiting the present application.

[0028] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] Please also read Figure 1 , Figure 2 and Figure 4 The embodiment of the present application provides a camera device, including a wall-mounted bracket 10 and a ball camera 20. The wall-mounted bracket 10 is provided with an inner cavity 111 and a docking port 112 connected to the inner cavity 111. A locking protrusion 113 and a stop protrusion 114 are provided on the wall surface of the inner cavity 111. The ball camera 20 includes a ball camera body 21 and a docking head 22 provided on the ball camera body 21. The docking head 22 is provided with a first mating protrusion 23 and a second mating protrusion 24. The docking head 22 can be inserted into the inner cavity 111 from the docking port 112 and rotated in a first direction until the second mating protrusion 24 abuts against the stop protrusion 114, and the first mating protrusion 23 is clamped on the side of the locking protrusion 113 facing away from the docking port 112.

[0032] During installation, the docking joint 22 of the ball camera 20 is inserted into the inner cavity 111 of the wall-mounted bracket 10 from the docking hole of the wall-mounted bracket 10, and then the ball camera 20 is rotated in the first direction until the second mating protrusion 24 of the docking joint 22 abuts against the stop protrusion 114 in the inner cavity 111. At this time, the ball camera 20 is rotated into place, and the first mating protrusion 23 of the docking joint 22 can be clamped on the side of the clamping protrusion 113 in the inner cavity 111 facing away from the docking port 112, that is, the ball camera 20 can be completely supported by the wall-mounted bracket 10 without the need for workers to lift it with their hands, so that the workers can free their hands to easily fix the ball camera 20 on the wall-mounted bracket 10, for example, the ball camera 20 can be fixed to the wall-mounted bracket 10 by screwing screws, which not only improves the installation efficiency, but also saves the workers' physical strength, and effectively avoids the problem of the ball camera 20 falling out of their hands due to physical exhaustion of the workers.

[0033] Specifically, the wall-mounted bracket 10 can be installed on a fixed object such as a wall, a column, a crossbar, etc., with the docking port 112 of the installed wall-mounted bracket 10 facing downward. The type of the ball camera 20 is not limited, and it can be specifically an intelligent high-speed spherical camera, referred to as a high-speed ball. The docking head 22 of the ball camera 20 needs to be inserted from the docking port 112 into the inner cavity 111 of the wall-mounted bracket 10 from bottom to top. When the docking head 22 of the ball camera 20 cannot be inserted into the inner cavity 111 from the docking port 112, it means that the first mating protrusion 23 and the locking protrusion 113 overlap in the up and down directions. At this time, the worker needs to adjust the angle of the ball camera 20 until the docking head 22 can be smoothly inserted into the inner cavity 111 from the docking port 112. After inserting the docking head 22 into the inner cavity 111, the ball camera 20 is rotated in the first direction. When the second mating protrusion 24 abuts against the stop protrusion 114, the ball camera 20 cannot continue to rotate in the first direction, reminding the worker that the ball camera 20 has been rotated to the right position. The first mating protrusion 23 overlaps with the positioning protrusion 113 in the vertical direction. At this time, the worker can release both hands. The first mating protrusion 23 is stuck above the positioning protrusion 113, that is, the side facing away from the docking port 112, so that the ball camera 20 is supported by the wall-mounted bracket 10 and will not fall down. In addition, through the cooperation of the second mating protrusion 24 and the stop protrusion 114, the ball camera 20 can be rotated to a fixed angle, so that the installation angle of the ball camera 20 can be unified.

[0034] In one embodiment, in combination Figure 2 and Figure 4As shown, the positioning protrusion 113 and the stop protrusion 114 are sequentially arranged in a direction away from the docking port 112, and a gap is provided between the positioning protrusion 113 and the stop protrusion 114 for the first matching protrusion 23 to pass through, and the second matching protrusion 24 is arranged on the side of the first matching protrusion 23 that is away from the ball camera body 21. When the ball camera 20 is rotated in the first direction, the first matching protrusion 23 moves in the gap between the positioning protrusion 113 and the stop protrusion 114, and the positioning protrusion 113 cooperates with the stop protrusion 114 to play a role in motion guidance, so that the rotation of the ball camera 20 is more stable and smooth, which is conducive to improving the installation efficiency. The second matching protrusion 24 is arranged on the side of the first matching protrusion 23 that is away from the ball camera body 21, that is, on the side away from the positioning protrusion 113, so that it can abut against the stop protrusion 114 to limit the further rotation of the ball camera 20.

[0035] In one embodiment, Figure 5 As shown, the number of the positioning protrusions 113 is multiple, and the multiple positioning protrusions 113 are arranged at intervals along the circumference of the docking port 112. Figure 3 and Figure 5 As shown, the number of the first mating protrusions 23 is consistent with the number of the locking protrusions 113, and the plurality of first mating protrusions 23 are mated with the plurality of locking protrusions 113 in a one-to-one correspondence, and a notch 25 for the locking protrusions 113 to pass through is formed between two adjacent first mating protrusions 23. During installation, the plurality of locking protrusions 113 are first aligned with the plurality of notches 25 one by one, and then the docking head 22 is inserted into the inner cavity 111 from the docking port 112. During the insertion process, the plurality of locking protrusions 113 respectively pass through the plurality of notches 25 and enter the side of the locking protrusion 113 facing away from the docking port 112, and then the ball camera 20 is rotated in the first direction until the second mating protrusion 24 abuts against the stop protrusion 114, and at this time, the plurality of first mating protrusions 23 can be respectively clamped on the plurality of locking protrusions 113. By providing a plurality of latching protrusions 113 and a plurality of first matching protrusions 23, the plurality of latching protrusions 113 are latched with the plurality of first matching protrusions 23 in a one-to-one correspondence, and the ball camera 20 is supported together, thereby improving the support stability and reliability. Specifically, Figure 5 The number of the locking protrusions 113 shown in the figure is two. Figure 3 The number of the notches 25 shown in FIG. 2 corresponds to two.

[0036] In one embodiment, Figure 4 As shown, the locking protrusion 113 is narrowed toward the docking port 112. The locking protrusion 113 is narrowed toward the docking port 112, that is, the end of the locking protrusion 113 close to the docking port 112 is smaller than the end away from the docking port 112, which can facilitate the insertion of the locking protrusion 113 into the notch 25, thereby improving the installation efficiency. In another embodiment, as Figure 3As shown, the notch 25 is narrowed toward the direction close to the ball camera body 21, that is, the end of the notch 25 close to the docking port 112 is larger than the end away from the docking port 112, which can also facilitate the insertion of the locking protrusion 113 into the notch 25, thereby improving the installation efficiency. In another embodiment, the locking protrusion 113 is set to be narrowed toward the direction close to the docking port 112, and the notch 25 is also set to be narrowed toward the direction close to the ball camera body 21.

[0037] In one embodiment, in combination Figure 2 and Figure 3 As shown, a second mating protrusion 24 is provided on the first mating protrusion 23, a first stop surface 241 is provided at one end of the second mating protrusion 24, and a second stop surface 242 is provided at the other end of the second mating protrusion 24. When the docking joint 22 is rotated in the first direction until the stop protrusion 114 abuts against the first stop surface 241, the first mating protrusion 23 is clamped on the locking protrusion 113. When the docking joint 22 is rotated in the opposite direction of the first direction until the stop protrusion 114 abuts against the second stop surface 242, the locking protrusion 113 is aligned with the notch 25. During installation, the docking head 22 is inserted into the inner cavity 111 from the docking port 112 so that the locking protrusion 113 passes through the notch 25, and then the ball camera 20 is rotated in the first direction. When the stop protrusion 114 abuts against the first stop surface 241 of a second mating protrusion 24, the ball camera 20 cannot continue to rotate in the first direction, reminding the worker that the ball camera 20 has been rotated into place and the first mating protrusion 23 is successfully stuck on the locking protrusion 113; during disassembly, the ball camera 20 is rotated in the opposite direction of the first direction. When the stop protrusion 114 abuts against the second stop surface 242 of another second mating protrusion 24, the ball camera 20 cannot continue to rotate in the opposite direction of the first direction, reminding the worker that the ball camera 20 has been rotated into place. At this time, the locking protrusion 113 is aligned with the notch 25, and then the ball camera 20 can be removed. Specifically, the two adjacent second mating protrusions 24 are respectively provided with a first stop surface 241 and a second stop surface 242 at one end facing each other, and the first stop surface 241 of the second mating protrusion 24 and the adjacent notch 25 have a gap in the circumferential direction of the docking joint 22, thereby providing space for the ball camera 20 to rotate in the first direction, and the second stop surface 242 of the second mating protrusion 24 is flush with the edge of the adjacent notch 25, thereby limiting the rotation of the ball camera 20 in the opposite direction of the first direction.

[0038] In one embodiment, Figure 3As shown, the ball camera body 21 has a positioning boss 26, and the docking head 22 is arranged on the positioning boss 26. When the docking head 22 is inserted into the inner cavity 111 from the docking port 112 until the docking port 112 abuts against the positioning boss 26, the docking head 22 can rotate in the first direction so that the first mating protrusion 23 is clamped on the side of the locking protrusion 113 facing away from the docking port 112. During installation, the docking joint 22 is inserted into the inner cavity 111 from the docking port 112. When the docking port 112 abuts against the positioning boss 26, the docking joint 22 cannot be further inserted into the inner cavity 111, reminding the worker that the docking joint 22 has been inserted into place. At this time, the height of the bottom surface of the first mating protrusion 23 is greater than the height of the top surface of the locking protrusion 113, and the height of the top surface of the first mating protrusion 23 is less than the height of the bottom surface of the stop protrusion 114, so that the first mating protrusion 23 can pass through the gap between the locking protrusion 113 and the stop protrusion 114, and then be locked above the locking protrusion 113, that is, on the side facing away from the docking port 112.

[0039] In one embodiment, there are multiple stop protrusions 114, and the multiple stop protrusions 114 are arranged at intervals along the circumference of the docking port 112. The number of the second mating protrusions 24 is consistent with the number of the stop protrusions 114, and the multiple second mating protrusions 24 are mated with the multiple stop protrusions 114 in a one-to-one correspondence. By providing multiple stop protrusions 114 and multiple second mating protrusions 24, the multiple stop protrusions 114 and the multiple second mating protrusions 24 are in a one-to-one correspondence and abut against each other, and the rotation of the ball camera 20 is jointly restricted, thereby improving the reliability of the work.

[0040] In one embodiment, in combination Figure 1 and Figure 6As shown, the outer surface of the wall-mounted bracket 10 is provided with a docking mark 115, and the outer surface of the ball camera body 21 is provided with an unlocking mark 27 and a locking mark 28. When the unlocking mark 27 is aligned with the docking mark 115, the docking head 22 can be inserted into the inner cavity 111 from the docking port 112. When the docking head 22 is rotated in the inner cavity 111 in the first direction until the locking mark 28 is aligned with the docking mark 115, the first mating protrusion 23 is clamped on the side of the locking protrusion 113 facing away from the docking port 112, and the second mating protrusion 24 is abutted against the stop protrusion 114. During installation, observe the positions of the unlocking mark 27 on the outer surface of the ball camera body 21 and the docking mark 115 on the outer surface of the wall-mounted bracket 10, and adjust the angle of the ball camera 20 so that the unlocking mark 27 is aligned with the docking mark 115. When the unlocking mark 27 is aligned with the docking mark 115, the first mating protrusion 23 and the locking protrusion 113 are staggered in the up and down directions without overlapping, so that the docking head 22 can be smoothly inserted into the inner cavity 111 from the docking port 112. Then, rotate the ball camera 20 in the first direction, observe the positions of the locking mark 28 and the docking mark 115, and rotate the ball camera 20 until the locking mark 28 is aligned with the docking mark 115. At this time, the stop protrusion 114 abuts against the first stop surface 241 of the second mating protrusion 24, and the first mating protrusion 23 is successfully locked on the side of the locking protrusion 113 facing away from the docking port 112, and the ball camera 20 is locked on the wall-mounted bracket 10. When disassembling, rotate the ball camera 20 in the opposite direction of the first direction until the docking mark 115 is aligned with the unlocking mark 27. At this time, the stop protrusion 114 abuts against the second stop surface 242 of another second matching protrusion 24, and the locking protrusion 113 is just aligned with the notch 25, and then the ball camera 20 can be removed.

[0041] In one embodiment, in combination Figure 1 and Figure 4As shown, the camera device further includes a threaded fastener 30, and the wall-mounted bracket 10 is provided with a threaded hole 116. When the first mating protrusion 23 is clamped on the side of the clamping protrusion 113 facing away from the docking port 112, the threaded fastener 30 can pass through the threaded hole 116 and extend into the side of the first mating protrusion 23 facing the clamping protrusion 113, and abut against the docking port 22. The threaded fastener 30 can fix the ball camera 20 on the wall-mounted bracket 10. Even if the threaded fastener 30 is loose, since the threaded fastener 30 extends into the side of the first mating protrusion 23 facing the clamping protrusion 113, the threaded fastener 30 can support the first mating protrusion 23 together with the clamping protrusion 113, so that the ball camera 20 is not easy to fall, which greatly improves safety. After the first mating protrusion 23 is clamped on the clamping protrusion 113, the worker can free both hands, hold the threaded fastener 30, such as a screw, in one hand, and hold the disassembly tool, such as a screwdriver, in the other hand, align the threaded fastener 30 with the threaded hole 116, and use the disassembly tool to twist the threaded fastener 30 so that the threaded fastener 30 passes through the threaded hole 116 and extends into the inner cavity 111 until it abuts against the docking head 22 inserted into the inner cavity 111, thereby achieving a fixed connection between the ball camera 20 and the wall-mounted bracket 10, and the installation is very convenient. Specifically, there are multiple threaded holes 116, and the multiple threaded holes 116 are distributed at intervals along the circumference of the docking port 112, and a threaded fastener 30 is inserted into each threaded hole 116 to enhance the connection stability between the ball camera 20 and the wall-mounted bracket 10.

[0042] In one embodiment, Figure 4 As shown, the wall-mounted bracket 10 includes a mounting seat 12, a support arm 13 and a connecting tube 11, one end of the support arm 13 is connected to the mounting seat 12, the other end of the support arm 13 is connected to one end of the connecting tube 11, the other end of the connecting tube 11 forms a docking port 112, the lumen of the connecting tube 11 forms an inner cavity 111, and the positioning protrusion 113 and the stop protrusion 114 are both fixed on the inner wall of the connecting tube 11. The mounting seat 12 is used to be fixed on a fixed object such as a wall, a column, a crossbar, etc., the connecting tube 11 is used to connect the docking head 22 of the ball camera 20, and the support arm 13 is arranged between the mounting seat 12 and the connecting tube 11 to provide support force for the ball camera 20.

[0043] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A camera device, characterized in that: It includes a wall-mounted bracket and a ball camera, the wall-mounted bracket is provided with an inner cavity and a docking port connected to the inner cavity, a locking protrusion and a stop protrusion are provided on the wall surface of the inner cavity, the ball camera includes a ball camera body and a docking head provided on the ball camera body, a first mating protrusion and a second mating protrusion are provided on the docking head, the docking head can be inserted into the inner cavity from the docking port and rotated in a first direction until the second mating protrusion abuts against the stop protrusion, and the first mating protrusion is clamped on the side of the locking protrusion facing away from the docking port.

2. The camera device according to claim 1, characterized in that: The locking protrusion and the stop protrusion are arranged in sequence along the direction away from the docking port, a gap is provided between the locking protrusion and the stop protrusion for the first mating protrusion to pass through, and the second mating protrusion is arranged on the side of the first mating protrusion facing away from the ball camera body.

3. The camera device according to claim 1, characterized in that: There are multiple locking protrusions, and the multiple locking protrusions are arranged at circumferential intervals along the docking interface. The number of the first mating protrusions is consistent with the number of the locking protrusions. The multiple first mating protrusions are matched with the multiple locking protrusions in a one-to-one correspondence, and a gap is formed between two adjacent first mating protrusions for the locking protrusion to pass through.

4. The camera device according to claim 3, characterized in that: The second mating protrusion is arranged on the first mating protrusion, one end of the second mating protrusion is provided with a first stop surface, and the other end of the second mating protrusion is provided with a second stop surface, when the docking head is rotated toward the first direction until the stop protrusion abuts against the first stop surface, the first mating protrusion is clamped on the locking protrusion, and when the docking head is rotated in the opposite direction of the first direction until the stop protrusion abuts against the second stop surface, the locking protrusion is aligned with the notch.

5. The camera device according to claim 3, characterized in that: The locking protrusion is narrowed toward the direction close to the docking port; And / or, the notch narrows toward the direction approaching the ball camera body.

6. The camera device according to claim 1, characterized in that: The ball camera body has a positioning boss, and the docking head is arranged on the positioning boss. When the docking head is inserted into the inner cavity from the docking port until the docking port abuts against the positioning boss, the docking head can rotate in the first direction so that the first mating protrusion is clamped on the side of the locking protrusion facing away from the docking port.

7. The camera device according to claim 1, characterized in that: There are multiple stop protrusions, and the multiple stop protrusions are arranged at circumferential intervals along the docking port. The number of the second mating protrusions is consistent with the number of the stop protrusions, and the multiple second mating protrusions are mated with the multiple stop protrusions in a one-to-one correspondence.

8. The camera device according to claim 1, characterized in that: The outer surface of the wall-mounted bracket is provided with a docking mark, and the outer surface of the ball camera body is provided with an unlocking mark and a locking mark. When the unlocking mark is aligned with the docking mark, the docking head can be inserted into the inner cavity from the docking port. When the docking head is rotated toward the first direction in the inner cavity until the locking mark is aligned with the docking mark, the first mating protrusion is clamped on the side of the locking protrusion facing away from the docking port, and the second mating protrusion abuts against the stop protrusion.

9. The camera device according to claim 1, characterized in that: The camera device also includes a threaded fastener, and the wall-mounted bracket is provided with a threaded hole. When the first mating protrusion is clamped on the side of the locking protrusion facing away from the docking port, the threaded fastener can pass through the threaded hole and extend into the side of the first mating protrusion facing the locking protrusion, and abut against the docking port.

10. The camera device according to any one of claims 1 to 9, characterized in that: The wall-mounted bracket includes a mounting seat, a support arm and a connecting tube, one end of the support arm is connected to the mounting seat, the other end of the support arm is connected to one end of the connecting tube, the other end of the connecting tube forms the docking port, and the lumen of the connecting tube forms the inner cavity.

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