Camera

Abstract

The utility model provides a camera. The camera comprises a base, an upper cover, a lens assembly and an adjusting screw. The upper cover is provided with a containing groove, and the base is located in the containing groove and defines a containing cavity with the upper cover. The upper cover is rotationally connected with the base. At least part of the lens assembly is located in the containing cavity and comprises a lens. The lens assembly is supported on the base and can rotate relative to the base. The adjusting screw is used for fixing the upper cover and the base, and the adjusting screw can be switched between a fastening state and a loosening state. When the adjusting screw is in a fastening state, the lens assembly is clamped and fixed between the upper cover and the base, and when the adjusting screw is in a loosening state, the upper cover can turn over relative to the base, so that the lens assembly can be rotated to adjust the angle of the lens. After the adjusting screw is loosened, the upper cover is still connected with the base, the shooting angle of the lens can be adjusted without opening the upper cover, and the operation is simple and convenient.

Description

Technical Field

[0001] The present application relates to the field of video surveillance technology, and in particular to a camera. Background Art

[0002] In the prior art, the camera installation process usually involves first disassembling the upper housing, then installing the base, adjusting the camera lens angle to the desired position, and finally reassembling the upper housing. Adjusting the lens requires disassembling the upper housing first, which is complex. Utility Model Content

[0003] The present application provides a camera that facilitates adjustment of the shooting angle of a lens.

[0004] An embodiment of the present application provides a camera, comprising: a base, an upper cover, a lens assembly and an adjusting screw, the upper cover being provided with a receiving groove, the base being located in the receiving groove and forming a receiving cavity with the upper cover, the upper cover being rotatably connected to the base, at least a portion of the lens assembly being located in the receiving cavity and comprising a lens, the lens assembly being supported on the base and rotatable relative to the base, the adjusting screw being used to fix the upper cover and the base, the adjusting screw being switchable between a tightened state and a loosened state, when the adjusting screw is in a tightened state, the lens assembly being clamped and fixed between the upper cover and the base, when the adjusting screw is in a loose state, the upper cover being flipped relative to the base so that the lens assembly can be rotated to adjust the angle of the lens.

[0005] Furthermore, one of the upper cover and the base is provided with a shaft, and the other is provided with a shaft hole. The shaft is assembled in the shaft hole to achieve a rotational connection between the upper cover and the base. The shaft and the adjustment screw are located at opposite ends of the camera.

[0006] Furthermore, the base includes an elliptical supporting portion, and the lens assembly includes a hemispherical pressing portion, and the pressing portion is pressed onto the supporting portion.

[0007] Furthermore, when the upper cover is flipped relative to the base, the lens assembly is rotated relative to the base.

[0008] Furthermore, the lens assembly includes a shell and a lens cover fixed to the shell, the lens cover and the shell form a sealed receiving space, the lens is located in the receiving space, and the crimping portion is provided on the shell.

[0009] Furthermore, the lens cover is hemispherical, and the diameter of the lens cover is larger than the diameter of the crimping portion.

[0010] Furthermore, the base is provided with a wire outlet groove for the connection wire passing through the crimping portion to pass through, and the wire outlet groove extends outward along the radial direction of the base.

[0011] Furthermore, the upper cover is provided with a through-hole communicating with the wire outlet groove, and the through-hole is located outside the wire outlet groove for the connecting wire to pass through.

[0012] Furthermore, the upper cover is provided with a through hole, and the base is provided with an assembly hole. The adjusting screw passes through the through hole and is assembled in the assembly hole and screwed to the base.

[0013] Furthermore, the assembly hole includes a first hole and a second hole, the base includes a shoulder located above the first hole, the diameter of the first hole is larger than the diameter of the second hole, the adjusting screw includes a connecting portion and a threaded portion arranged at one end of the connecting portion, the diameter of the threaded portion is larger than the diameter of the connecting portion, the threaded portion is threadedly connected to the inner wall of the second hole, after the adjusting screw is loosened, the threaded portion is located in the first hole, and the shoulder can resist the threaded portion to prevent the adjusting screw from detaching from the base.

[0014] Furthermore, the camera includes a seal located between the upper cover and the lens assembly. The seal is arranged around the periphery of the lens assembly. When the upper cover is fixed to the base, the seal fits tightly against the lens assembly.

[0015] Furthermore, the upper cover is annular and includes a top end and a bottom end, the top end forms an upper opening, the bottom end forms a lower opening, the upper opening is smaller than the lower opening, the top of the lens assembly passes through the upper opening, and after the upper cover is fixed to the base, the top end presses the lens assembly, and the seal is fixed to the top end.

[0016] The lens assembly, top cover, base and adjustment screw of the camera in the embodiment of the present application are rotatably connected to the base, the lens assembly includes a lens, and the adjustment screw fixes the top cover and the base. When the adjustment screw is tightened, the lens assembly is clamped and fixed between the top cover and the base. When the adjustment screw is loosened, the top cover can be flipped relative to the base, and the lens assembly can be rotated relative to the base to adjust the shooting angle of the lens. The shooting angle of the lens can be adjusted without opening the top cover, and the operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a perspective view of a camera according to an embodiment of the present application, wherein the adjustment screw is in a tightened state;

[0018] Figure 2 yes Figure 1A side view of the camera is shown with the adjustment screw loose;

[0019] Figure 3 yes Figure 2 A schematic cross-sectional view of the camera shown;

[0020] Figure 4 yes Figure 1 A schematic cross-sectional view of the camera shown;

[0021] Figure 5 yes Figure 1 An exploded view of the camera shown;

[0022] Figure 6 yes Figure 5 A schematic diagram of the upper housing and base of the camera before assembly is shown;

[0023] Figure 7 yes Figure 6 A schematic diagram of the base shown;

[0024] Figure 8 yes Figure 5 Schematic diagram of the adjustment screw of the camera shown;

[0025] Figure 9 yes Figure 1 Another schematic cross-sectional view of the camera shown;

[0026] Figure 10 yes Figure 9 An enlarged view of the circled portion at point A of the cross-sectional schematic diagram shown;

[0027] Figure 11 yes Figure 2 Another schematic cross-sectional view of the camera shown;

[0028] Figure 12 yes Figure 11 An enlarged view of the circled portion at point B of the cross-sectional schematic diagram shown;

[0029] Figure 13 yes Figure 1 Another exploded view of the camera shown;

[0030] Figure 14 yes Figure 5 A schematic cross-sectional view of the lens assembly shown;

[0031] Figure 15 yes Figure 1 Another schematic cross-sectional view of the camera shown;

[0032] Figure 16 yes Figure 15 An enlarged view of the circled portion at point C of the cross-sectional schematic diagram shown;

[0033] Figure 17 yes Figure 1 Schematic diagram of another camera perspective shown. DETAILED DESCRIPTION

[0034] Here, the technical solutions in the embodiments (or "implementations") of the present application will be clearly and completely described in conjunction with the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0035] If there are terms related to directional indications or positional relationships in the embodiments of this application (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationship, movement, etc. between the components in a specific posture (as shown in the accompanying drawings); if the specific posture changes, the directional indication or positional relationship will also change accordingly. In addition, the terms "first" and "second" in the embodiments of this application are only used for the purpose of convenience of description and should not be understood as indicating or implying relative importance.

[0036] See also Figures 1 to 5 As shown, the camera 100 according to the embodiment of the present application includes a base 1 , a top cover 2 , a lens assembly 3 and an adjustment screw 4 .

[0037] The upper cover 2 is provided with a receiving groove 211. The base 1 is positioned within the receiving groove 211 and, together with the upper cover 2, forms a receiving cavity 212. The upper cover 2 is rotatably connected to the base 1. At least a portion of the lens assembly 3 is positioned within the receiving cavity 212 and includes a lens 30. The lens assembly 3 is supported on the base 1 and is rotatable relative to the base 1.

[0038] The adjusting screw 4 is used to fix the upper cover 2 and the base 1. The adjusting screw 4 can be switched between a tightening state and a loosening state. Figure 4 When the adjusting screw 4 is in a tightened state, the lens assembly 3 is clamped and fixed between the upper cover 2 and the base 1. Figure 3 When the adjusting screw 4 is in a loose state, the upper cover 2 can be flipped relative to the base 1 to loosen the lens assembly 3, so that the lens assembly 3 can be rotated to adjust the angle of the lens 30.

[0039] When the adjustment screw 4 is loosened, the upper cover 2 can be flipped relative to the base 1, and the lens assembly 3 can be rotated relative to the base 1 to adjust the angle of the lens 30. The angle of the lens 30 can be adjusted without opening the upper cover 2. The operation is simple and convenient, which improves the convenience of installation and adjustment of the camera 100.

[0040] In some embodiments, the upper cover 2 includes an annular main body 21 , and the main body 21 surrounds the receiving groove 211 and forms a receiving cavity 212 with the upper cover 2 .

[0041] In some embodiments, when the upper cover 2 is flipped relative to the base 1 , the lens assembly 3 is rotated relative to the base 1 to prevent a jamming phenomenon that causes the upper cover 2 to be unable to be loosened or tightened.

[0042] See also Figures 3 and 4 In some embodiments, the base 1 includes an elliptical bottom supporting portion 13, and the lens assembly 3 includes a hemispherical pressing portion 311, which is pressed onto the bottom supporting portion 13. The elliptical bottom supporting portion 13 forms a self-aligning support structure, which avoids the stuck phenomenon of the lens assembly 3 when the angle is adjusted. When the adjusting screw 4 is loosened and the upper cover 2 is loosened, as the upper cover 2 is flipped to a certain angle, the lens assembly 3 moves backward with the upper cover 2 due to the elliptical bottom supporting portion 13 ( Figure 3 When the adjusting screw 4 is tightened to tighten the upper cover 2, the lens assembly 3 can move forward following the flipping of the upper cover 2 ( Figure 4 ), returns to a state concentric with the base 1.

[0043] When the angle of the lens 30 is to be adjusted, Figure 3 As shown, loosen the adjusting screw 4, and the upper cover 2 is turned upward relative to the base 1 and opened ( Figure 3 At the same time, the upper cover 2 moves backward along the bottom support portion 13 of the base 1 with the lens assembly 3 ( Figure 3 (direction of arrow X1 in the figure) to ensure the smooth opening of the upper cover 2, and then rotate the lens assembly 3 by the friction between the hand and the lens assembly 3. After adjusting to the appropriate angle, flip the upper cover 2 downward to close it ( Figure 4 At the same time, the upper cover 2 moves forward with the lens assembly 3 along the bottom support portion 13 of the base 1 ( Figure 4The upper cover 2 is smoothly closed, and finally the adjusting screw 4 is tightened to complete the angle adjustment of the lens 30. This adjustment process does not destroy the original sealing of the lens assembly 3, and the airtightness of the lens assembly 3 is not affected, thereby ensuring the consistency of the product and avoiding the risk of sealing failure of the existing camera due to disassembly for angle adjustment.

[0044] See also Figures 6 and 7 In some embodiments, the upper cover 2 is provided with a shaft 22, and the base 1 is provided with a shaft hole 110. The shaft 22 is assembled in the shaft hole 110 to achieve a rotational connection between the upper cover 2 and the base 1. The shaft 22 and the adjusting screw 4 are located at opposite ends of the camera 100.

[0045] The shaft portion 22 may also be provided on the base 1 , and correspondingly, the shaft hole 110 is provided on the upper cover 2 .

[0046] In some embodiments, the shaft portion 22 and the shaft hole 110 are provided as a pair and are symmetrically arranged to increase the smoothness of the upper cover 2 when it is turned over.

[0047] In some embodiments, the line connecting the pair of shaft portions 22 and the adjusting screw 4 is an equilateral triangle, which is stable and not easily deformed by force.

[0048] The shaft portion 22 is both a buckle and a rotation axis. The hidden installation is more beautiful and the upper cover 2 can be prevented from falling off when the lens assembly 3 is adjusted.

[0049] The shaft hole 110 may be a through hole or a recessed groove, which is not limited in the present application.

[0050] The base 1 includes a bottom plate portion 14, and the bottom support portion 13 is formed by extending upward from the bottom plate portion 14. Optionally, the bottom support portion 13 is located in the middle of the bottom plate portion 14. The base 1 also includes an annular portion 15 extending upward from the bottom plate portion 14, and the annular portion 15 is arranged around the periphery of the bottom support portion 13. Figure 4 As shown, the annular portion 15 forms a bowl-shaped space 151 that is larger at the top and smaller at the bottom, and the base portion 13 is located in the bowl-shaped space 151 .

[0051] See also Figures 8 to 12 In some embodiments, the upper cover 2 is provided with a through hole 210 , and the base 1 is provided with an assembly hole 141 . The adjusting screw 4 passes through the through hole 210 and is assembled in the assembly hole 141 and is screwed and fixed to the base 1 .

[0052] Combine Figure 6In some embodiments, the base 1 includes a fixing column 16 extending upward from the bottom plate portion 14 , and the assembly hole 141 is provided on the fixing column 16 , which can increase the depth of the assembly hole 141 without increasing the thickness of the bottom plate portion 14 .

[0053] In some embodiments, the assembly hole 141 may penetrate downwardly through the bottom plate portion 14 to further increase the depth of the assembly hole 141 .

[0054] Combine Figure 6 In some embodiments, the bottom plate portion 14 is further provided with a through hole 142 for screws to pass through to fix the camera 100 on other objects, so as to achieve the installation and fixation of the camera 100. Compared with the complicated operation of removing the upper cover when installing the existing camera, the camera 100 does not need to remove the upper cover 2, which simplifies the installation steps and makes the installation simpler and more convenient.

[0055] The through hole 210 is provided on the main body 21 , and the adjusting screw 4 passes through the through hole 210 from top to bottom and is assembled into the assembly hole 141 .

[0056] The main body 21 is provided with a slot 216, which is located above the through hole 210. After the adjusting screw 4 is tightened, the slot 216 is used to hide the top of the adjusting screw 4, making the external appearance of the camera 100 neater.

[0057] In some embodiments, the assembly hole 141 includes a first hole 1411 and a second hole 1412, the base 1 includes a shoulder 17 located above the first hole 1411, the diameter of the first hole 1411 is larger than the diameter of the second hole 1412, the adjusting screw 4 includes a connecting portion 41 and a threaded portion 42 arranged at one end of the connecting portion 41, the diameter of the threaded portion 42 is larger than the diameter of the connecting portion 41, the height of the connecting portion 41 is greater than the height of the threaded portion 42, the threaded portion 42 is threadedly connected to the inner wall of the second hole 1412, after the adjusting screw 4 is loosened, the threaded portion 42 is located in the first hole 1411, the shoulder 17 can resist the threaded portion 42 to prevent the adjusting screw 4 from detaching from the base 1, prevent the upper cover 2 from falling off the base 1, and prevent the adjusting screw 4 from being lost.

[0058] See also Figures 13 and 14 In some embodiments, the lens assembly 3 includes a shell 31 and a lens cover 32 fixed to the shell 31, the lens cover 32 and the shell 31 form a sealed receiving space 321, the lens 30 is located in the receiving space 321, and the crimping portion 311 is provided on the shell 31.

[0059] The lens assembly 3 is independently and integrally sealed, and the sealing joint surface is fully shielded by the upper cover 2. Water flow will not directly impact the joint surface, thereby improving the waterproof performance of the camera 100. It can easily pass the IPX9K waterproof test and can easily cope with usage scenarios with high-level waterproof requirements. It avoids the problem of multiple joint surfaces of traditional cameras being exposed and waterproof failure during long-term use in outdoor scenes.

[0060] In some embodiments, the housing 31 and the lens cover 32 may be sealed by using a sealant or by welding.

[0061] In some embodiments, the housing 31 and the lens cover 32 may be fixed by snapping, welding, or bonding.

[0062] In some embodiments, the relative positions of the lens cover 32 and the lens 30 are fixed, which is more conducive to designing an anti-fogging solution for introducing a small cavity.

[0063] In some embodiments, the housing 31 includes an upper shell 312 and a lower shell 313 fixed together, and the upper shell 312 and the lower shell 313 enclose a sealed storage cavity 3121. The lens assembly 3 includes a main board 35, a light board 36, and a power board 37 located in the storage cavity 3121.

[0064] In some embodiments, the lens assembly 3 includes a sealing ring 33 located between the upper shell 312 and the lower shell 313 to achieve sealing between the upper shell 312 and the lower shell 313 .

[0065] In some embodiments, the upper shell 312 and the lower shell 313 may be sealed by means of sealant or welding.

[0066] exist Figure 14 In the embodiment, the upper shell 312 and the lower shell 313 are fixed by screws 34 to facilitate assembly and disassembly of the upper shell 312 and the lower shell 313. Optionally, in some embodiments, the upper shell 312 and the lower shell 313 can also be fixed by welding, bonding, or snap fastening.

[0067] In some embodiments, the lens assembly 3 further includes an infrared transparent cover 38 fixed to the upper shell 312 .

[0068] The setting of the sealed storage cavity 3121 and the sealed receiving space 321 can not only protect the components in the storage cavity 3121, including but not limited to the main board 35, the light board 36 and the power board 37; at the same time, when the lens assembly 3 is rotated, the sealing performance of the lens assembly 3 will not be destroyed, thereby solving the problem of waterproof failure of existing cameras due to destruction of the assembly airtightness before leaving the factory when adjusting the lens.

[0069] In some embodiments, the upper shell 312 is provided with an opening 3122 communicating with the storage cavity 3121 for the lens 30 to pass through. Optionally, the lens 30 can be completely located in the storage cavity 3121, and the upper shell 312 is provided with a transparent window corresponding to the lens 30.

[0070] In some embodiments, the infrared transparent cover 38 is provided as a pair, and the pair of infrared transparent covers 38 surrounds the opening portion 3122 .

[0071] In some embodiments, the lens cover 32 and the upper shell 312 form the sealed receiving space 321 .

[0072] In some embodiments, the upper shell 312 is provided with a glue dispensing groove 3123 , the free end of the lens cover 32 is located in the glue dispensing groove 3123 , and glue is dispensed in the glue dispensing groove 3123 to achieve sealing between the upper shell 312 and the lens cover 32 .

[0073] In some embodiments, the lens cover 32 is hemispherical, retaining the appearance of a hemispherical camera, and the diameter of the lens cover 32 is larger than the diameter of the crimping portion 311 .

[0074] The outer diameter of the lower shell 313 is shrunk to form the crimping portion 311 , and the lower shell 313 and the upper shell 312 form an asymmetric sphere, which can effectively save the lower space and ensure that both bottom and side wiring outlets are compatible without increasing the height of the camera 100 .

[0075] In some embodiments, the lens assembly 3 includes a connecting wire 6, and the lower housing 313 is provided with a hole 3131 for the connecting wire 6 to pass through. The connecting wire 6 can be electrically connected to the power board 37, and the hole 3131 is sealed to prevent water from entering the hole 3131.

[0076] In some embodiments, the hole 3131 is provided on the crimping portion 311 .

[0077] See also Figures 15 and 16In some embodiments, the camera 100 includes a seal 5 located between the upper cover 2 and the lens assembly 3. The seal 5 is arranged around the periphery of the lens assembly 3. When the upper cover 2 is fixed to the base 1, the seal 5 is tightly fitted to the lens assembly 3.

[0078] In some embodiments, the seal 5 fits tightly against the lens cover 32 to achieve a sealing and waterproof effect. At the same time, the joint surface between the lens cover 32 and the housing 31 is shielded by the upper cover 2 and is not exposed, which can easily cope with usage scenarios with high-level waterproof requirements, such as IPX9K waterproof requirements, and greatly reduce the impact of high-pressure water on the sealing joint surface of the lens ball, solving the problem that existing cameras cannot be used in scenarios with high-level waterproof requirements due to the exposed joint surface, such as outdoor environments directly in contact with water or vehicle-mounted high-pressure water gun impact environments.

[0079] The seal 5 not only serves as the front waterproof function of the camera 100, but also prevents the upper cover 2 from directly contacting the lens hood 32, protecting the lens hood 32 from being scratched by the upper cover 2 during assembly or angle adjustment. At the same time, the soft contact of the seal 5 can also prevent the edge of the lens hood 32 from cracking due to excessive force. Furthermore, when adjusting the angle of the lens 30, compared with the existing camera with a sealing ring at the bottom, which squeezes the sealing ring when adjusting the lens and generates a large friction force, the friction force generated by the seal 5 is smaller, which can achieve angle adjustment more easily.

[0080] In some embodiments, the upper cover 2 is annular and includes a top end 213 and a bottom end 214. The top end 213 forms an upper opening 2131, and the bottom end 214 forms a lower opening 2141. The upper opening 2131 is smaller than the lower opening 2141. The top of the lens assembly 3 passes through the upper opening 2131. After the upper cover 2 is fixed to the base 1, the top end 213 presses the lens assembly 3, and the seal 5 is fixed to the top end 213. Following the flipping of the upper cover 2

[0081] In some embodiments, the top end 213 is provided with a groove 2132 for accommodating the sealing member 5 to increase the stability of the sealing member 5 and enhance the sealing effect.

[0082] After the adjusting screw 4 is tightened, the plane where the top 213 is located is tilted relative to the horizontal direction. At the same time, the ring formed by the sealing member 5 is also tilted relative to the horizontal direction to prevent the upper cover 2 from getting stuck when opening and closing.

[0083] See also Figure 17In some embodiments, the base 1 is provided with a wire outlet groove 111 for the connection wire 6 passing through the crimping portion 311 to pass through, and the wire outlet groove 111 extends outward along the radial direction of the base 1.

[0084] In some embodiments, the cable outlet groove 111 is formed by being recessed from the bottom plate portion 14 .

[0085] In some embodiments, the upper cover 2 is provided with a through-hole 215 communicating with the cable outlet 111. The through-hole 215 is located outside the cable outlet 111 for the connecting cable 6 to pass through, and is compatible with both bottom and side cable outlet installations, thereby increasing installation convenience. Traditional cameras often use an additional mounting plate to route cables to the side, which increases the camera's height and costs. The camera 100 of the present application utilizes an asymmetric spherical structure internally, which significantly saves bottom space without increasing the overall height of the product. The extra bottom space can be used to accommodate side cable routing, reducing costs.

[0086] Based on the asymmetric spherical structure design, the upper supporting rubber structure formed by the seal 5 can more easily achieve the functions of reliable fixation of the lens assembly 3 when the upper cover 2 is locked and easy adjustment of the lens assembly 3 when the upper cover 2 is loosened.

[0087] Based on the upper supporting rubber structure formed by the sealing member 5, the hole 3131 can be effectively waterproofed regardless of side routing or bottom routing.

[0088] In some embodiments, the through hole 215 is located between the pair of shaft portions 22 to avoid being affected by the connecting line 6 .

[0089] In some embodiments, when assembling the camera 100, the pair of infrared transparent covers 38 are symmetrically arranged and snapped onto the upper shell 312. Components are then secured within the receiving space 321. The sealing ring 33 is secured to the upper shell 312 or the lower shell 313. The connecting wire 6 is secured to the lower shell 313. The upper shell 312 is secured to the lower shell 313. The lens cover 32 is secured to the upper shell 312 to complete the assembly of the lens assembly 3. The sealing member 5 is secured to the upper cover 2. The lens assembly 3 is then placed on the bottom support portion 13 of the base 1. The shaft portion 22 of the upper cover 2 is snapped into the shaft hole 110 of the base 1. Finally, the adjusting screw 4 is passed through the through hole 210 of the upper cover 2 and locked onto the base 1 to complete the assembly of the camera 100. This application does not limit the assembly order of the camera 100.

[0090] It should be noted that the technical solutions or technical features described in the above embodiments can be combined or supplemented with each other without conflict. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the accompanying drawings; all modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this application shall be included in the scope of protection of this application.

Claims

1. A camera, characterized in that: include: The upper cover is provided with a receiving slot; a base, located in the receiving groove and forming a receiving cavity with the upper cover, wherein the upper cover is rotatably connected to the base; a lens assembly, at least partially located in the receiving cavity and comprising a lens, wherein the lens assembly is supported on the base and rotatable relative to the base; An adjusting screw is used to fix the upper cover and the base, and the adjusting screw can be switched between a tightened state and a loosened state. When the adjusting screw is in the tightened state, the lens assembly is clamped and fixed between the upper cover and the base. When the adjusting screw is in the loose state, the upper cover can be flipped relative to the base so that the lens assembly can be rotated to adjust the angle of the lens.

2. The camera according to claim 1, wherein One of the upper cover and the base is provided with a shaft, and the other is provided with a shaft hole. The shaft is assembled in the shaft hole to achieve a rotational connection between the upper cover and the base. The shaft and the adjustment screw are located at opposite ends of the camera.

3. The camera according to claim 1, wherein The base includes an elliptical bottom supporting portion, and the lens assembly includes a hemispherical pressing portion, which is pressed onto the bottom supporting portion.

4. The camera according to claim 3, wherein: When the upper cover is turned over relative to the base, the lens assembly is rotated relative to the base.

5. The camera according to claim 3, wherein: The lens assembly includes a shell and a lens cover fixed to the shell. The lens cover and the shell form a sealed receiving space. The lens is located in the receiving space. The crimping portion is provided on the shell.

6. The camera according to claim 5, characterized in that The lens cover is hemispherical, and the diameter of the lens cover is larger than the diameter of the crimping portion.

7. The camera according to claim 5, characterized in that The base is provided with a wire outlet groove for the connection wire passing through the crimping portion to pass through, and the wire outlet groove extends outward along the radial direction of the base.

8. The camera according to claim 7, wherein: The upper cover is provided with a through hole communicated with the wire outlet groove, and the through hole is located outside the wire outlet groove for the connection line to pass through.

9. The camera according to claim 1, wherein The upper cover is provided with a through hole, and the base is provided with an assembly hole. The adjusting screw passes through the through hole and is assembled in the assembly hole and is screwed and fixed to the base.

10. The camera according to claim 9, characterized in that The assembly hole includes a first hole and a second hole, the base includes a shoulder located above the first hole, the diameter of the first hole is larger than the diameter of the second hole, the adjusting screw includes a connecting portion and a threaded portion arranged at one end of the connecting portion, the diameter of the threaded portion is larger than the diameter of the connecting portion, the threaded portion is threadedly connected to the inner wall of the second hole, after the adjusting screw is loosened, the threaded portion is located in the first hole, and the shoulder can resist the threaded portion to prevent the adjusting screw from detaching from the base.

11. The camera according to any one of claims 1 to 10, characterized in that: The camera includes a sealing member located between the upper cover and the lens assembly. The sealing member is arranged around the periphery of the lens assembly. When the upper cover is fixed to the base, the sealing member is tightly fitted to the lens assembly.

12. The camera according to claim 11, wherein: The upper cover is annular and includes a top end and a bottom end. The top end forms an upper opening, and the bottom end forms a lower opening. The upper opening is smaller than the lower opening. The top of the lens assembly passes through the upper opening. After the upper cover is fixed to the base, the top end presses the lens assembly, and the seal is fixed to the top end.

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