Optical axis adjustment mechanism and camera device equipped with it

Abstract

This application relates to the field of monitoring equipment technology, and provides an optical axis adjustment mechanism and a camera device equipped with it. The optical axis adjustment mechanism includes a mounting bracket, a horizontal bracket, a vertical bracket, a horizontal adjustment structure, and a vertical adjustment structure. The horizontal bracket is rotatably connected to the mounting bracket and driven to rotate in a horizontal plane via the horizontal adjustment structure. The vertical bracket is rotatably connected to the horizontal bracket and driven to rotate in a vertical plane via the vertical adjustment structure. The horizontal adjustment structure and / or the vertical adjustment structure includes a driving member, a rotating shaft, and a locking seat connected to the rotating shaft. The rotating shaft is limited and connected to the horizontal or vertical bracket, and the locking seat is limited and connected to the mounting bracket or the horizontal bracket. The driving member drives the horizontal or vertical bracket to rotate, and the rotating shaft rotates accordingly. The locking seat locks the rotating shaft to limit rotation. The optical axis adjustment mechanism provided by this application satisfies the attitude adjustment of the optical axis, improving overall adjustment efficiency and accuracy.

Description

Technical Field

[0001] This application relates to the field of monitoring equipment technology, and in particular to an optical axis adjustment mechanism and a camera device equipped with it. Background Technology

[0002] Currently, each camera is equipped with a thermal imaging module, a visible light module, a supplementary lighting module, and a ranging module, with multiple modules working simultaneously to monitor the same target. However, due to tolerances in the fixed structure, manufacturing errors, and installation errors, the optical systems of the various modules in the camera are not aligned, resulting in optical axis deviation, which affects the monitoring effect.

[0003] In related technologies, multiple bolts are typically used to adjust the optical axis attitude. However, since each adjustment requires operating multiple bolts and additional screws are needed for locking after adjustment, the overall adjustment efficiency is low and the accuracy is not high. Utility Model Content

[0004] Therefore, it is necessary to provide an optical axis adjustment mechanism that can improve the overall adjustment efficiency and accuracy while satisfying the adjustment of the optical axis deflection angle in the horizontal plane and the pitch angle in the vertical plane.

[0005] An optical axis adjustment mechanism includes an assembly bracket, a horizontal bracket, a vertical bracket, a horizontal adjustment structure, and a vertical adjustment structure. The horizontal bracket is rotatably connected to the assembly bracket. The vertical bracket is rotatably connected to the horizontal bracket and is used to connect a functional module. The horizontal adjustment structure drives the horizontal bracket to rotate in a horizontal plane, and the horizontal bracket drives the vertical bracket to rotate synchronously. The vertical adjustment structure drives the vertical bracket to rotate in a vertical plane. The horizontal adjustment structure and / or the vertical adjustment structure includes a driving member, a rotating shaft, and a locking seat. The driving member is connected to the rotating shaft, and the rotating shaft is connected to the locking seat. The rotating shaft is limited and connected to the horizontal bracket or the vertical bracket. The locking seat is limited and connected to the assembly bracket or the horizontal bracket. The driving member can drive the horizontal bracket or the vertical bracket to rotate, and the rotating shaft can rotate synchronously with the driving member. The locking seat is used to lock the rotating shaft to limit rotation.

[0006] The optical axis adjustment mechanism provided in this application utilizes horizontal and vertical drive components to power the horizontal and vertical supports respectively, thereby achieving adjustment of the deflection and pitch angles. This not only simplifies the structure but also makes operation more convenient. Furthermore, the drive component design facilitates signal control, ensuring timely response and high controllable precision. This improves overall adjustment efficiency and accuracy. Simultaneously, the locking seat and rotating shaft design ensure the stability of the horizontal and vertical supports after adjustment, preventing the optical axis from shifting again due to external factors such as shaking or wind.

[0007] In some embodiments, the driving member includes at least a rotating part connected to the horizontal support or the vertical support, and the driving member is further provided with a through hole, the rotating part surrounding the outer periphery of the through hole, and the rotating shaft passing through the through hole.

[0008] In some embodiments, the mounting bracket and / or the horizontal bracket are provided with mounting grooves, the locking seat is accommodated and confined within the mounting grooves, and the locking seat is axially movable within the mounting grooves along the rotation axis of the rotation axis under the rotational action of the rotation axis.

[0009] In some embodiments, the locking seat is provided with a threaded hole, and the rotating shaft is provided with a threaded section, the threaded section passing through the threaded hole and engaging with the hole wall of the threaded hole.

[0010] In some embodiments, the end of the rotating shaft facing the locking seat is provided with a limiting end face, and the horizontal adjustment structure and / or the vertical adjustment structure further includes an elastic element, which abuts against the limiting end face and the locking seat.

[0011] In some embodiments, the rotating shaft includes a connecting section and a threaded section connected to the connecting section, the diameter of the threaded section being smaller than the diameter of the connecting section, the limiting end face being disposed between the threaded section and the connecting section, the elastic element being sleeved on the outside of the threaded section, the connecting section being connected to the horizontal bracket or the vertical bracket, and the threaded section being threadedly connected to the locking seat.

[0012] In some embodiments, the optical axis adjustment mechanism further includes a limiting structure disposed on the assembly bracket; the limiting structure can engage with the horizontal bracket and / or the functional module to limit the rotation angle, and / or the limiting structure can abut with the vertical bracket and / or the functional module to limit the rotation angle.

[0013] In some embodiments, the limiting structure is a limiting plate protruding from the assembly bracket, the top of the limiting plate protruding from the bottom of the horizontal bracket.

[0014] In some embodiments, the rotating shaft is integrally formed with the horizontal support or the vertical support; and / or, both the horizontal support and the vertical support include a first connecting portion and a second connecting portion, the first connecting portion and the second connecting portion being connected and angled together.

[0015] This application also provides a camera device, including a camera housing, a functional module, and the aforementioned optical axis adjustment mechanism. The camera housing surrounds an assembly cavity, and the functional module and the optical axis adjustment mechanism are both disposed within the assembly cavity. The functional module is connected to a vertical bracket in the optical axis adjustment mechanism, and the assembly bracket in the optical axis adjustment mechanism is connected to the camera housing. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the conventional technology, the drawings used in the description of the embodiments or the conventional technology will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A schematic diagram of an optical axis adjustment mechanism provided in an embodiment of this application;

[0018] Figure 2 for Figure 1 A schematic diagram of the connection function module of the provided optical axis adjustment mechanism;

[0019] Figure 3 for Figure 1 A partial cross-sectional view of the provided optical axis adjustment mechanism;

[0020] Figure 4 for Figure 2 A cross-sectional view of the provided optical axis adjustment mechanism along the horizontal rotation axis;

[0021] Figure 5 for Figure 2 A cross-sectional view of the provided optical axis adjustment mechanism along the vertical rotation axis;

[0022] Figure 6 A schematic diagram of a camera device provided in an embodiment of this application;

[0023] Figure 7 This is a first partial cross-sectional view of a camera device provided in an embodiment of this application;

[0024] Figure 8 This is a second partial cross-sectional view of a camera device provided in an embodiment of this application.

[0025] Reference numerals: 100, optical axis adjustment mechanism; 101, driving component; 102, rotating shaft; 103, locking seat; 104, assembly groove; 105, elastic component; 106, first connecting part; 107, second connecting part; 110, assembly bracket; 120, horizontal bracket; 121, horizontal first connecting part; 122, horizontal second connecting part; 130, vertical bracket; 131, vertical first connecting part; 132, vertical second connecting part; 140, horizontal adjustment structure; 141, horizontal driving component; 142, horizontal rotating shaft; 143, horizontal locking seat; 15 0. Vertical adjustment structure; 151. Vertical drive component; 152. Vertical rotation shaft; 153. Vertical locking seat; 160. Limiting structure; 200. Functional module; 210. Supplemental lighting module; 220. Distance measuring module; 300. Camera housing; 301. Assembly cavity; 302. Viewing window; 311. Upper housing; 1011. Through hole; 1021. Threaded section; 1022. Connecting section; 1023. Limiting end face; 1031. Threaded hole; 1101. First assembly slot; 1201. Second assembly slot; 3021. Supplemental lighting window; 3022. Distance measuring window. Detailed Implementation

[0026] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0027] It should be noted that when a component is referred to as being "fixed to" or "attached to" another component, it can be directly on the other component or there may be an intermediate component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there may be an intermediate component present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application's specification are for illustrative purposes only and do not represent the only possible implementation.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0029] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0030] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used in this application includes any and all combinations of one or more of the associated listed items.

[0031] Please see Figures 1 to 5 This application provides an optical axis adjustment mechanism 100, which can be connected to a functional module 200 to adjust the optical axis attitude of the functional module 200. It is easy to operate and improves adjustment efficiency. Specifically, the optical axis adjustment mechanism 100 includes an assembly bracket 110, a horizontal bracket 120, a vertical bracket 130, a horizontal adjustment structure 140, and a vertical adjustment structure 150. The horizontal bracket 120 is rotatably connected to the assembly bracket 110, and the vertical bracket 130 is rotatably connected to the horizontal bracket 120 and used to connect the functional module 200. The horizontal adjustment structure 140 drives the horizontal bracket 120 to rotate in a horizontal plane, and the horizontal bracket 120 drives the vertical bracket 130 to rotate synchronously. The vertical adjustment structure 150 drives the vertical bracket 130 to rotate in a vertical plane. The horizontal adjustment structure 140 and / or vertical adjustment structure 150 include a driving member 101, a rotating shaft 102, and a locking seat 103. The driving member 101 is connected to the rotating shaft 102, and the rotating shaft 102 is connected to the locking seat 103. The rotating shaft 102 is limited and connected to the horizontal support 120 or the vertical support 130, and the locking seat 103 is limited and connected to the assembly support 110 or the horizontal support 120. The driving member 101 can drive the horizontal support 120 or the vertical support 130 to rotate, and the rotating shaft 102 can rotate synchronously with the driving member 101. The locking seat 103 is used to lock the rotating shaft 102 to limit its rotation.

[0032] The mounting bracket 110 can be fixed to the target location where the functional module 200 needs to be installed using screws. For example, the mounting bracket 110 can be fixed to the camera housing using multiple screws, which are spaced apart circumferentially along the mounting bracket 110. In some specific embodiments, the mounting bracket 110 has four apex corners spaced apart circumferentially, with a corresponding screw at each apex corner to ensure reliable connection. The horizontal bracket 120 is rotatably connected to the mounting bracket 110 via a horizontal adjustment structure 140. The horizontal bracket 120 is driven to rotate in the horizontal plane via the horizontal adjustment structure 140. The horizontal bracket 120 drives the functional module 200 connected to the vertical bracket 130 to rotate synchronously in the horizontal plane, facilitating adjustment of the functional module 200's pose, i.e., its deflection angle, in the horizontal plane. Meanwhile, the vertical support 130 is rotatably connected to the horizontal support 120 via the vertical adjustment structure 150. The vertical adjustment structure 150 drives the vertical support 130 to rotate in the vertical plane, which in turn causes the functional module 200 to rotate synchronously in the vertical plane, facilitating the adjustment of the functional module 200's position and attitude in the vertical plane, i.e., its pitch angle. This allows for the adjustment of the optical axis attitude of the functional module 200. When each functional module 200 is equipped with a corresponding optical axis adjustment mechanism 100, it ensures that the optical axes of the various functional modules 200 acting on the same target are aligned as much as possible, reducing optical axis deviation, improving imaging effects, and thus ensuring good monitoring results.

[0033] Both the horizontal adjustment structure 140 and the vertical adjustment structure 150 include a drive member 101, a rotating shaft 102, and a locking seat 103. For ease of description, the horizontal adjustment structure 140 corresponds to the horizontal drive member 141, the horizontal rotating shaft 142, and the horizontal locking seat 143, and the vertical adjustment structure 150 corresponds to the vertical drive member 151, the vertical rotating shaft 152, and the vertical locking seat 153. The horizontal rotating shaft 142 is connected to the horizontal support 120, and the horizontal locking seat 143 is located on the mounting bracket 110 and connected to the horizontal rotating shaft 142. The horizontal support 120 is connected to the horizontal drive member 141. When adjustment is required, the horizontal drive member 141 is activated to drive the horizontal support 120 to rotate around the axis of the horizontal rotating shaft 142. The horizontal rotating shaft 142 rotates synchronously with the horizontal support 120, thereby achieving the aforementioned deflection angle adjustment. After adjustment, the horizontal drive 141 is closed, and the horizontal rotation shaft 142 is locked by the horizontal locking seat 143, thus ensuring that the horizontal support 120 will not rotate under external force and improving the stability of the horizontal support 120 after adjustment. Similarly, the vertical rotation shaft 152 is connected to the vertical support 130, the vertical locking seat 153 is located on the horizontal support 120 and connected to the vertical rotation shaft 152, and the vertical support 130 is connected to the vertical drive 151. When adjustment is required, the vertical drive 151 is activated to drive the vertical support 130 to rotate around the axis of the vertical rotation shaft 152. The vertical rotation shaft 152 rotates synchronously with the vertical support 130, thereby achieving the aforementioned pitch angle adjustment. After adjustment, the vertical drive 151 is closed, and the vertical rotation shaft 152 is locked by the vertical locking seat 153, thus ensuring that the vertical support 130 will not rotate under external force and improving the stability of the vertical support 130 after adjustment.

[0034] In summary, the optical axis adjustment mechanism 100 provided in one embodiment of this application utilizes a horizontal drive member 141 and a vertical drive member 151 to drive the horizontal support 120 and the vertical support 130 respectively, thereby achieving adjustment of the deflection angle and pitch angle. This not only simplifies the structure but also makes operation more convenient. Moreover, the design of the drive member 101 facilitates signal control, ensuring timely response and high controllability. Thus, the overall adjustment efficiency and accuracy are improved. Simultaneously, the combination of the locking seat 103 and the rotating shaft 102 ensures the stability of the horizontal support 120 and the vertical support 130 after adjustment, preventing the optical axis from shifting again due to external factors such as shaking or wind.

[0035] Alternatively, the horizontal adjustment structure 140 may consist only of a drive element 101, a rotating shaft 102, and a locking seat 103, or the vertical adjustment structure 150 may consist only of a drive element 101, a rotating shaft 102, and a locking seat 103, as long as it can satisfy the adjustment of the yaw angle and pitch angle and improve the stability after adjustment.

[0036] like Figures 3 to 5 As shown, in some embodiments, the drive member 101 includes at least a rotating part (not shown in the figure), which is connected to the horizontal support 120 or the vertical support 130. The drive member 101 also has a through hole 1011, with the rotating part surrounding the outer periphery of the through hole 1011, and the rotating shaft 102 passing through the through hole 1011. The rotating part and the rotating shaft 102 are coaxially arranged, and the rotating part can rotate around the axis of the rotating shaft 102, thereby driving the horizontal support 120 or the vertical support 130 to rotate synchronously. The drive member 101 can be a motor, such as a brushless DC motor, which has a long lifespan, low noise, and high energy efficiency. Especially at low speeds, the magnetic field utilization rate is higher, effectively reducing energy loss. Furthermore, brushless DC motors are small in size, which is more conducive to miniaturization and compact design. The rotating part can be a rotor assembly in the motor. In other words, by connecting the rotor assembly to the horizontal support 120 or the vertical support 130, the horizontal support 120 or the vertical support 130 can be driven to rotate synchronously, which not only simplifies the structure but also improves the transmission efficiency.

[0037] Among them, the drive component 101 adopts an external rotor motor.

[0038] Please see Figures 3 to 5 In some embodiments, the assembly bracket 110 and / or the horizontal bracket 120 are provided with an assembly groove 104, and the locking seat 103 is accommodated and confined within the assembly groove 104. The locking seat 103 can move axially along the rotation shaft 102 within the assembly groove 104 under the rotational action of the rotation shaft 102. The assembly bracket 110 is provided with a first assembly groove 1101, and the horizontal locking seat 143 is accommodated and confined within the first assembly groove 1101. The horizontal bracket 120 is provided with a second assembly groove 1201, and the vertical locking seat 153 is accommodated and confined within the second assembly groove 1201. For example, if the projected outer contours of the horizontal locking seat 143 and the vertical locking seat 153 along their own axial direction are both hexagonal, then the cross-sectional shape of the corresponding first assembly groove 1101 and the second assembly groove 1201 is also hexagonal. In this way, when the locking seat 103 is accommodated within the corresponding assembly groove 104, it can limit the rotation of the locking seat 103 around its own axis, thereby maintaining a better limiting effect.

[0039] Alternatively, the mounting groove 104 may have a limiting protrusion protruding radially inward on its groove wall, and the locking seat 103 may have a limiting groove recessed radially inward on its outer side wall, with the limiting protrusion inserted into the limiting groove to restrict the circumferential rotation of the locking seat 103. Of course, the limiting protrusion may also protrude from the outer side wall of the locking seat 103, and the limiting groove may be recessed into the groove wall of the mounting groove 104. The only requirement is that it satisfies the requirement to limit the circumferential rotation of the locking seat 103; this is merely an example.

[0040] like Figure 2 and Figure 3As shown, in some embodiments, the locking seat 103 is provided with a threaded hole 1031, and the rotating shaft 102 is provided with a threaded section 1021. The threaded section 1021 passes through the threaded hole 1031 and is threadedly engaged with the wall of the threaded hole 1031. That is, the locking seat 103 and the rotating shaft 102 are locked through the threaded engagement. Specifically, when the rotating shaft 102 rotates around its axis under the action of the driving member 101, the locking seat 103 can move along the axial direction of the rotating shaft 102 within the corresponding mounting groove 104. After adjustment, the driving member 101 stops, the locking seat 103 is limited within the mounting groove 104, and the rotating shaft 102 is locked through the threaded engagement. Since the locking seat 103 will not rotate around its own axis within the assembly slot 104, the rotating shaft 102 will not rotate around its own axis. Therefore, the horizontal support 120 or the vertical support 130 connected to it will not rotate, thus maintaining the stability after adjustment and preventing the optical axis from shifting again due to external forces such as shaking or wind.

[0041] The depth of the assembly groove 104 is greater than the thickness of the locking seat 103 to ensure sufficient space for the locking seat 103 to move axially within the assembly groove 104. For example, the first assembly groove 1101 and the second assembly groove 1201 can both be formed by stamping on their respective assembly brackets 110 and horizontal brackets 120.

[0042] Please continue reading. Figure 2 and Figure 3 In some embodiments, the end of the rotating shaft 102 facing the locking seat 103 is provided with a limiting end face 1023. The horizontal adjustment structure 140 and / or the vertical adjustment structure 150 also include an elastic element 105, which abuts against the limiting end face 1023 and the locking seat 103. It can be understood that by using the setting of the elastic element 105, friction can be provided to restrict the rotation of the rotating shaft 102 along with the locking seat 103, thereby improving the limiting effect. Specifically, the rotating shaft 102 includes a connecting section 1022 and a threaded section 1021 connected to the connecting section 1022. The diameter of the threaded section 1021 is smaller than the diameter of the connecting section 1022. The limiting end face 1023 is provided between the threaded section 1021 and the connecting section 1022. The elastic element 105 is sleeved on the outside of the threaded section 1021. The connecting section 1022 is connected to the horizontal bracket 120 or the vertical bracket 130. The threaded section 1021 is threadedly connected to the locking seat 103. This arrangement also guides the assembly of the elastic element 105, preventing damage to friction caused by the elastic element 105 being misaligned under force. The elastic element 105 can be a spring, fitted onto the outside of the threaded section 1021. The connecting section 1022 is spaced and fitted with the aforementioned through hole 1011 for the rotating shaft 102.

[0043] In some embodiments, the rotating shaft 102 is integrally formed with the horizontal support 120 or the vertical support 130. Specifically, the horizontal rotating shaft 142 is integrally formed with the horizontal support 120 via a corresponding connecting section 1022, and the vertical rotating shaft 152 is integrally formed with the vertical support 130 via a corresponding connecting section 1022. This arrangement ensures reliable connection. Of course, the horizontal rotating shaft 142 and the horizontal support 120 can also be welded, bonded, or fixed with screws. Similarly, the vertical rotating shaft 152 and the vertical support 130 can also be welded, bonded, or fixed with screws. The key is to ensure that the rotating shaft 102 and the corresponding horizontal support 120 or vertical support 130 are connected to form a stable overall structure.

[0044] Please see Figures 1 to 5 In some embodiments, both the horizontal support 120 and the vertical support 130 include a first connecting portion 106 and a second connecting portion 107, which are connected and angled together. That is, both the horizontal support 120 and the vertical support 130 are L-shaped. This arrangement allows for separate mounting of the parts for rotational engagement and those for connecting other structures, reducing assembly interference. For ease of description, the horizontal support 120 corresponds to a horizontal first connecting portion 121 and a horizontal second connecting portion 122. The horizontal first connecting portion 121 is horizontal, and the horizontal second connecting portion 122 is vertical. The vertical support 130 corresponds to a vertical first connecting portion 131 and a vertical second connecting portion 132, both of which are vertical and angled together. The vertical first connecting portion 131 and the horizontal second connecting portion 122 are horizontally aligned. The first horizontal connecting part 121 is connected to the mounting bracket 110 through the horizontal adjustment structure 140 to realize the adjustment of the horizontal plane deflection angle. The second horizontal connecting part 122 is connected to the first vertical connecting part 131 through the vertical adjustment structure 150 to realize the adjustment of the vertical plane pitch angle. The second vertical connecting part 132 is connected to the functional module 200.

[0045] Please continue reading. Figures 1 to 5In some embodiments, the optical axis adjustment mechanism 100 further includes a limiting structure 160, which is disposed on the mounting bracket 110. The limiting structure 160 can abut against the horizontal bracket 120 and / or the functional module 200 to limit the rotation angle, and / or, the limiting structure 160 can abut against the vertical bracket 130 and / or the functional module 200 to limit the rotation angle. That is, the limiting structure 160 can limit the adjustment of the deflection angle and the pitch angle, avoiding interference or unnecessary trouble caused by excessive adjustment angles. Specifically, the limiting structure 160 can abut against the horizontal bracket 120 to limit the deflection angle adjustment; of course, the limiting structure 160 can also abut against the vertical bracket 130 to limit the pitch angle adjustment. Alternatively, the limiting structure 160 can also abut against two angled sidewalls of the functional module 200 to limit the deflection angle and pitch angle adjustment. This is only an example.

[0046] In some embodiments, the limiting structure 160 is a limiting plate protruding from the mounting bracket 110, with the top of the limiting plate protruding from the bottom of the horizontal bracket 120. This arrangement ensures that the horizontal first connecting portion 121 of the horizontal bracket 120 abuts against the upper area of ​​the limiting plate to achieve deflection angle limiting; simultaneously, the bottom of the functional module 200 can abut against the top of the limiting plate to achieve pitch angle limiting. The top of the limiting plate can be flush with the upper surface of the horizontal first connecting portion 121.

[0047] like Figure 2 and Figure 4 As shown, in some embodiments, the limiting plate and the horizontal first connecting portion 121 of the horizontal support 120 are arranged at intervals on the horizontal plane to ensure that the horizontal support 120 has sufficient rotation space. A first gap L1 exists between the limiting plate and the horizontal support 120, which is between 2mm and 10mm. By setting the first gap L1, sufficient rotation adjustment space for the horizontal support 120 is ensured while avoiding excessive deflection angles that could cause interference with other structures. For example, the first gap L1 can be 2mm, 3.5mm, 5mm, 8mm, 10mm, etc.

[0048] Furthermore, the vertical first connecting portion 131 and the horizontal first connecting portion 121 of the horizontal support 120 are spaced apart in the vertical direction to ensure that the vertical support 130 has sufficient rotation space. A second gap L2 exists between the vertical first connecting portion 131 and the horizontal second connecting portion 122, and the second gap L2 is between 2mm and 10mm. By setting the second gap L2, sufficient rotation adjustment space is ensured for the vertical support 130, while avoiding excessive deflection angle of the vertical support 130 that could interfere with other structures. For example, the second gap L2 can be 2mm, 3.5mm, 5mm, 8mm, 10mm, etc.

[0049] Please see Figure 2 , Figure 6 , Figure 7 and Figure 8 This application also provides a camera device, including a camera housing 300, a functional module 200 and the aforementioned optical axis adjustment mechanism 100. The camera housing 300 is provided with an assembly cavity 301. The functional module 200 and the optical axis adjustment mechanism 100 are both disposed in the assembly cavity 301. The functional module 200 is connected to the vertical bracket 130 in the optical axis adjustment mechanism 100. The assembly bracket 110 in the optical axis adjustment mechanism 100 is connected to the camera housing 300.

[0050] The camera housing 300 is provided with a viewing window 302. The functional module 200 can adjust its optical axis relative to the viewing window 302 by setting the optical axis adjustment mechanism 100, thereby reducing the optical axis offset. For example, the viewing window 302 includes a supplementary lighting window 3021 and a ranging window 3022, which are arranged alternately. The functional module 200 includes a supplementary lighting module 210 and a ranging module 220, each corresponding to an optical axis adjustment mechanism 100. The mounting bracket 110 in each optical axis adjustment mechanism 100 is fixedly connected to the upper housing 311 of the camera housing 300 by screws to maintain assembly reliability and stability. The vertical bracket 130 in each optical axis adjustment mechanism 100 is fixed to the corresponding supplementary lighting module 210 or ranging module 220 through a vertical second connecting part 132, thereby realizing the optical axis adjustment of the supplementary lighting module 210 relative to the supplementary lighting window 3021 and the optical axis adjustment of the ranging module 220 relative to the ranging window 3022.

[0051] The ranging module 220 can be a laser sensor, such as a laser.

[0052] Of course, the functional module 200 may also include a thermal imaging module, a visible light module, etc., all of which have corresponding optical axis adjustment mechanisms 100 to achieve optical axis attitude adjustment.

[0053] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0054] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the scope of protection of this application. Therefore, the patent protection scope of this application should be determined by the appended claims.

Claims

1. An optical axis adjustment mechanism, characterized in that, include: Assembly bracket (110); A horizontal support (120) is rotatably connected to the assembly support (110). A vertical bracket (130) is rotatably connected to the horizontal bracket (120) and is used to connect the functional module (200). A horizontal adjustment structure (140) is used to drive the horizontal support (120) to rotate in the horizontal plane, and the horizontal support (120) drives the vertical support (130) to rotate synchronously. A vertical adjustment structure (150) is used to drive the vertical support (130) to rotate in the vertical plane; The horizontal adjustment structure (140) and / or the vertical adjustment structure (150) include a driving member (101), a rotating shaft (102), and a locking seat (103). The driving member (101) is connected to the rotating shaft (102), and the rotating shaft (102) is connected to the locking seat (103). The rotating shaft (102) is limited to the horizontal support (120) or the vertical support (130), and the locking seat (103) is limited to the assembly support (110) or the horizontal support (120). The driving member (101) can drive the horizontal support (120) or the vertical support (130) to rotate. The rotating shaft (102) can rotate synchronously with the driving member (101). The locking seat (103) is used to lock the rotating shaft (102) to limit the rotation.

2. The optical axis adjustment mechanism according to claim 1, characterized in that, The driving member (101) includes at least a rotating part, which is connected to the horizontal support (120) or the vertical support (130). The driving member (101) is also provided with a through hole (1011), the rotating part is arranged around the outer periphery of the through hole (1011), and the rotating shaft (102) passes through the through hole (1011).

3. The optical axis adjustment mechanism according to claim 1, characterized in that, The assembly bracket (110) and / or the horizontal bracket (120) are provided with an assembly groove (104), and the locking seat (103) is accommodated and confined within the assembly groove (104). The locking seat (103) is capable of moving within the assembly groove (104) along the axial direction of the rotating shaft (102) under the rotational action of the rotating shaft (102).

4. The optical axis adjustment mechanism according to claim 3, characterized in that, The locking seat (103) is provided with a threaded hole (1031), and the rotating shaft (102) is provided with a threaded section (1021). The threaded section (1021) passes through the threaded hole (1031) and is threadedly engaged with the hole wall of the threaded hole (1031).

5. The optical axis adjustment mechanism according to claim 1, characterized in that, The rotating shaft (102) has a limiting end face (1023) at one end facing the locking seat (103). The horizontal adjustment structure (140) and / or the vertical adjustment structure (150) further include an elastic element (105), which abuts between the limiting end face (1023) and the locking seat (103).

6. The optical axis adjustment mechanism according to claim 5, characterized in that, The rotating shaft (102) includes a connecting section (1022) and a threaded section (1021) connected to the connecting section (1022). The diameter of the threaded section (1021) is smaller than the diameter of the connecting section (1022). The limiting end face (1023) is disposed between the threaded section (1021) and the connecting section (1022). The elastic element (105) is sleeved on the outside of the threaded section (1021). The connecting section (1022) is connected to the horizontal bracket (120) or the vertical bracket (130). The threaded section (1021) is threadedly connected to the locking seat (103).

7. The optical axis adjustment mechanism according to any one of claims 1 to 6, characterized in that, The optical axis adjustment mechanism (100) further includes a limiting structure (160), which is disposed on the assembly bracket (110). The limiting structure (160) can engage with the horizontal support (120) and / or the functional module (200) to limit the rotation angle, and / or the limiting structure (160) can abut with the vertical support (130) and / or the functional module (200) to limit the rotation angle.

8. The optical axis adjustment mechanism according to claim 7, characterized in that, The limiting structure (160) is a limiting plate protruding from the assembly bracket (110), and the top of the limiting plate protrudes from the bottom of the horizontal bracket (120).

9. The optical axis adjustment mechanism according to any one of claims 1 to 6, characterized in that, The rotating shaft (102) is integrally formed with the horizontal support (120) or the vertical support (130); and / or, Both the horizontal support (120) and the vertical support (130) include a first connecting part (106) and a second connecting part (107), which are connected and set at an angle.

10. A camera device, characterized in that, The device includes a camera housing (300), a functional module (200), and an optical axis adjustment mechanism (100) according to any one of claims 1 to 9. The camera housing (300) is provided with an assembly cavity (301). The functional module (200) and the optical axis adjustment mechanism (100) are both disposed in the assembly cavity (301). The functional module (200) is connected to a vertical bracket (130) in the optical axis adjustment mechanism (100). The assembly bracket (110) in the optical axis adjustment mechanism (100) is connected to the camera housing (300).

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