Photography expansion accessory

Abstract

The present application discloses a photography expansion accessory, comprising an expansion plate, wherein a first surface of the expansion plate is used for mounting photography and videography device, a second surface of the expansion plate is used for connecting with photography and videography accessories, and the expansion plate is provided with an accommodation cavity extending through the first surface and the second surface; and a mounting seat, wherein the mounting seat is connected to the expansion plate and is movably insertable into or retractable from the accommodation cavity, and the mounting seat is used for mounting a tracker. The photography expansion accessory of the present application has a simple and compact structure, allows a tracker to be covertly mounted on the expansion plate without affecting the use of the original functions of the photography and videography device, and enables rapid tracking and locating when the device is lost.

Description

Photography extension accessories

[0001] Related applications

[0002] This application claims priority to Chinese patent application No. 202520286245.9, filed on February 21, 2025, the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of photographic equipment technology, and in particular to a photographic extension accessory. Background Technology

[0004] In recent years, with the rapid development of wireless communication and GPS positioning technologies, trackers have been widely used in various fields as real-time monitoring and positioning devices. In the field of photographic equipment, trackers are mainly used for equipment anti-theft and loss tracking.

[0005] In photography equipment, trackers are usually installed as external accessories on the photography extension accessories connected to the photography equipment, and the photography equipment with the tracker can be tracked by finding it through an APP.

[0006] Currently, camera extension accessories use fixed mounting positions for trackers. However, when these accessories are assembled onto camera equipment, the tracker's mounting position can easily obstruct certain parts of the equipment. This can interfere with the assembly and disassembly of other components, causing inconvenience during use. Furthermore, removing the tracker requires detaching the entire camera extension accessory from the camera equipment, increasing the complexity of tracker installation.

[0007] Application content

[0008] The main objective of this application is to propose a photography extension accessory that addresses the technical problem of existing trackers typically being installed in fixed positions within photography and video extension accessories. This can easily interfere with the installation and removal of other components, causing inconvenience during use.

[0009] To achieve the above objectives, this application proposes a photography extension accessory, which includes:

[0010] An expansion plate, wherein a first surface of the expansion plate is used for mounting photographic and video equipment, a second surface of the expansion plate is used for connecting photographic and video accessories, and the expansion plate has a receiving cavity extending through the first surface and the second surface; and

[0011] Mounting base, which is connected to the expansion plate and can be movably inserted into or removed from the receiving cavity, is used to mount the tracker.

[0012] In some embodiments, the mounting base is rotatably connected to the expansion plate, such that the mounting base can be rotated to be inserted into or removed from the receiving cavity;

[0013] A locking structure is provided between the mounting base and the expansion plate, the locking structure being used to lock the mounting base when it is inserted into the receiving cavity.

[0014] In some embodiments, the locking structure includes:

[0015] A locking groove is provided on one of the expansion plate and the mounting base;

[0016] A locking assembly is provided on the other of the expansion plate and the mounting base, the locking assembly being used to form a locking engagement with the locking groove to lock the mounting base or to release the locking engagement with the locking groove to release the mounting base.

[0017] In some embodiments, the locking component is disposed on the mounting base, and the locking component includes:

[0018] A locking switch is slidably mounted on the mounting base, and the surface of the locking switch has an operating part protruding from the mounting base. One end of the locking switch is provided with a locking tongue, which can extend into the locking groove to form a locking engagement with it or exit the locking groove to cancel the locking engagement with it as the locking switch slides.

[0019] A first elastic element, wherein the elastic reset element is disposed on the mounting base and acts on the locking switch, the first elastic element is used to provide an elastic force to the locking switch to cause it to slide and reset.

[0020] In some embodiments, the expansion plate is provided with a connecting shaft, and the mounting base is rotatably sleeved on the connecting shaft to form a rotatable connection with the expansion plate;

[0021] The connecting shaft is fitted with a second elastic element, which acts on the mounting base to provide an elastic force to the mounting base to rotate and reset it.

[0022] In some embodiments, the mounting base has a mounting cavity and a sealing cover detachably connected to the base body for closing the mounting cavity, the mounting cavity being used to mount a tracker.

[0023] In some embodiments, an elastic buffer is provided within the mounting cavity, the elastic buffer being used to contact the tracker and provide elastic cushioning to the tracker.

[0024] In some embodiments, the outer surface of the mounting base is provided with a first opening communicating with the mounting cavity.

[0025] In some embodiments, the expansion plate has a second opening that communicates with the receiving cavity and is located opposite to the first opening.

[0026] In some embodiments, the photographic or video-recording device has a battery compartment for installing a battery and a cover for closing or opening the battery compartment, wherein the receiving cavity corresponds to the position of the cover.

[0027] The photography expansion accessory of this application achieves multi-functional expansion of photography and videography equipment by setting an expansion plate and receiving cavities running through its opposite sides. Simultaneously, a mounting base for installing a tracker is provided within the receiving cavity, concealing the tracker within the expansion plate. The mounting base is detachable, allowing it to be fixed in or removed from the receiving cavity. This ensures that the installation and removal of the tracker does not affect the normal use of the photography and videography equipment, and tracker replacement can be performed without separating the entire expansion plate from the equipment. For example, the receiving cavity is located at the opening of the camera battery compartment. When the camera battery needs to be replaced, the tracker can be removed from the receiving cavity or positioned away from the camera battery compartment outlet without affecting battery replacement. This expansion accessory structure not only ensures the tracker's stable and concealed installation on the photography and videography expansion accessory, but also does not affect the original functions of the photography and videography equipment. In case of loss, the equipment can be quickly tracked and located, effectively improving the overall anti-loss tracking capability of the photography and videography equipment. Attached Figure Description

[0028] Figure 1 is a schematic diagram of the overall structure of the first surface of the extension plate of the photography extension accessory of this application;

[0029] Figure 2 is a schematic diagram of the overall structure of the second surface of the extension plate of the photography extension accessory in one embodiment;

[0030] Figure 3 is an exploded view of the photographic extension accessory in one embodiment;

[0031] Figure 4 is an exploded view of the photographic extension accessory in one embodiment from another angle;

[0032] Figure 5 is a cross-sectional view of the extension plate of the photography extension accessory in one embodiment;

[0033] Figure 6 is a schematic diagram of the rotating mounting base of the photography extension accessory in one embodiment;

[0034] Figure 7 is a schematic diagram of the mounting bracket rotating at another angle in one embodiment of the photography extension accessory;

[0035] Figure 8 is a schematic diagram of the assembly of the expansion plate and the camera equipment of the photography expansion accessory in one embodiment.

[0036] Explanation of icon numbers: Detailed Implementation

[0037] The solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments in this application, and not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0038] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0039] It should also be noted that when a component is described as "fixed to" or "set on" another component, it can be directly on the other component or there may be an intervening component present. When a component is described as "connected to" another component, it can be directly connected to the other component or there may be an intervening component present.

[0040] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0041] This application proposes a photography extension accessory, mainly used in photography and videography equipment.

[0042] Referring to Figures 1 and 2, in one embodiment of this application, the photography extension accessory includes:

[0043] Expansion plate 10, the first surface 10A of expansion plate 10 is used to mount photographic and video equipment 60, the second surface 10B of expansion plate 10 is used to connect with photographic and video accessories, and expansion plate 10 is provided with a receiving cavity 20 extending through the first surface 10A and the second surface 10B; and

[0044] Mounting base 30 is connected to expansion plate 10 and can be movably inserted into or removed from receiving cavity 20. Mounting base 30 is used to mount tracker 40.

[0045] In this embodiment, photographic expansion accessories include, but are not limited to, camera cages, handles, and shoulder supports. The camera cage is a support device specifically designed for cameras. Its cage-like shape encloses the camera, providing protection. Its robust shell and cushioning design effectively resist external impacts, reducing repair or replacement costs, extending the camera's lifespan, and providing expansion interfaces to accommodate more accessories.

[0046] In this embodiment, the expansion plate 10 is the core component of the entire rabbit cage. It can be made of high-strength, lightweight aluminum alloy or carbon fiber composite material to ensure the overall structural robustness without increasing the overall weight of the camera / video recording equipment 60. The overall shape of the expansion plate 10 conforms to the external dimensions of the camera / video recording equipment 60, avoiding interference with its normal operation.

[0047] The second surface 10B of the expansion plate 10 is typically equipped with multiple standardized interface structures. For example, it is equipped with multiple standard screw interfaces, such as 1 / 4 thread interfaces, cold shoe interfaces, Arri positioning holes, etc., to facilitate the installation of various accessories, such as external microphones, LED lights, monitors, viewfinders, handles, etc., which can be flexibly configured according to different shooting needs to enhance the shooting effect and the diversity and professionalism of creation.

[0048] A mounting rod is provided on the first surface 10A of the expansion plate 10, which is used to directly connect to the camera / video recording device 60. One end of the mounting rod is rotatably connected to the body of the expansion plate 10 and is equipped with a tightening tool, exemplarily a thin-bladed wrench. The other end is provided with a standard threaded interface for quick docking with a camera or other camera / video recording device 60. A receiving cavity 20 is reserved inside one side of the expansion plate 10, which can accommodate the mounting base 30 and ensure sufficient internal space to avoid interference with the tracker 40 signal. At the same time, the tracker 40 is hidden in the expansion plate 10 without affecting the overall appearance of the expansion plate 10. For example, this application provides a receiving cavity 20 at the location of the expansion plate 10 corresponding to the camera battery compartment 61. When the camera needs to replace the battery, the battery can pass through the receiving cavity 20 on the expansion plate 10 without affecting the normal replacement of the battery. When the camera is in normal use, the space of the receiving cavity 20 can also be fully utilized to place the tracker 40 inside the receiving cavity 20.

[0049] In this embodiment, the mounting base 30 is mainly used to fix the tracker 40. To avoid interference from metal materials on wireless signals, the mounting base 30 is made of high-strength engineering plastics (such as ABS or PC plastic) or other non-metallic materials with low electromagnetic shielding performance. Simultaneously, to enhance installation stability, soft cushioning materials such as rubber or silicone can be embedded inside. The mounting base 30 is designed as an independent component, with dimensions and shape matching the receiving cavity 20. Furthermore, the mounting base 30 is not limited to connection with the extension plate 10; it can also be connected to other photography and videography extension accessories such as handles and shoulder supports. The tracker 40 can be fixed to the mounting base 30 by threaded connection or by clips (vertical snap-in, angled snap-in, rotational snap-in).

[0050] The connection between the mounting base 30 and the extension plate 10 can be rigid or flexible. For example, the mounting base 30 can be connected to the extension plate 10 via a safety rope or fixed to the extension plate 10 with screws. The mounting base 30 can be movably inserted into or removed from the receiving cavity 20. During normal use, the mounting base 30 is fixed within the receiving cavity 20 of the extension plate 10. When installing or removing the tracker 40, the mounting base 30 needs to be detached from or exposed within the extension plate 10 for easy user installation and removal of the tracker 40. Specifically, the mounting base 30 and the extension plate 10 can be adjusted using threaded adjustment structures, sliding guides, magnetic attraction, and snap-fit ​​mechanisms, allowing for horizontal or vertical adjustment of the mounting base 30 relative to the extension plate 10, or separation of the mounting base 30 from the extension plate 10, during installation or removal of the tracker 40. For example, rotating the mounting base 30 around a rotation axis at a certain position within the extension plate 10 rotates the mounting base 30 to the removal position of the tracker 40. A fixing structure exists between the mounting base 30 and the expansion plate 10, so that when the mounting base 30 enters the receiving cavity 20, it can be fixed within the receiving cavity 20 of the expansion plate 10, preventing displacement due to vibration or improper operation. This also conceals the tracker 40, improving the space utilization of the expansion plate 10 and saving space. For example, the mounting base 30 is fixed by a snap-fit ​​and slot connection. The connection between the mounting base 30 and the expansion plate 10 makes the installation and removal of the tracker 40 more convenient. When the user needs to replace the battery, a simple operation is sufficient, requiring no additional tools.

[0051] Referring to Figures 3 and 4, in one embodiment, the mounting base 30 is rotatably connected to the expansion plate 10, so that the mounting base 30 can be rotated to be inserted into or removed from the receiving cavity 20; a locking structure 50 is provided between the mounting base 30 and the expansion plate 10, the locking structure 50 being used to lock the mounting base 30 when it is inserted into the receiving cavity 20.

[0052] In this embodiment, one side of the mounting base 30 is rotatably connected to the expansion plate 10 via a rotating structure, allowing the mounting base 30 to be inserted into or removed from the receiving cavity 20 by rotation. The support point for rotation can be located on the side of the second surface 10B of the expansion plate 10 located in the receiving cavity 20, so that the mounting base 30 rotates open in the direction of the second surface 10B of the expansion plate 10, that is, away from the direction in which the expansion plate 10 is installed, so that the mounting base 30 will not interfere with other components of the expansion plate 10 when rotating. At the same time, the tracker 40 can be installed and removed without removing the entire expansion plate 10 from the camera device 60. The rotating structure can be a combination of a rotating shaft and a rotating hole. The rotating shaft can be located on the mounting base 30 or on the mounting base 30; the corresponding rotating hole is opened on another structure to match the rotating shaft. The design of the rotating shaft allows the mounting base 30 to rotate within a certain angle range (e.g., adjustable by 90°) around the rotating shaft, so that the mounting base 30 can quickly enter and exit the receiving cavity 20. The mounting base 30 is in the open state when it is removed from the receiving cavity 20 via the rotating shaft, and in the closed state when it is fixed inside the receiving cavity 20 by the locking structure 50. In the open state, the user can assemble and disassemble the tracker 40, and also replace the battery of the camera / video recording device 60. In the closed state, the tracker 40 can be concealed inside the expansion plate 10.

[0053] In this embodiment, a locking structure 50 is provided between the mounting base 30 and the expansion plate 10. The locking structure 50 is used to lock the mounting base 30 when it is inserted into the receiving cavity 20. The locking structure 50 can be provided on the second surface 10B of the mounting base 30, which is also the second surface 10B of the expansion plate 10, for user convenience. The locking structure 50 can be disposed on the expansion plate 10 or the mounting base 30 on the other side of the receiving cavity 20, opposite to the rotating structure. One part of the locking structure 50 is disposed on the mounting base 30, and the other part is disposed on the expansion plate 10. The two parts cooperate to fix the mounting base 30 in the receiving cavity 20. For example, the locking mechanism can be fixed by a snap-fit ​​and slot connection. When the mounting base 30 rotates into the receiving cavity 20, the snap-fit ​​enters the slot to achieve mechanical locking and prevent accidental rotation caused by external vibration or operation.

[0054] Referring to Figures 3 and 4, the locking structure 50 includes: a locking groove 51 disposed on one of the expansion plate 10 and the mounting base 30; and a locking assembly 52 disposed on the other of the expansion plate 10 and the mounting base 30. The locking assembly 52 is used to form a locking engagement with the locking groove 51 to lock the mounting base 30 or to release the locking engagement with the locking groove 51 to release the mounting base 30.

[0055] In this embodiment, the locking groove 51 and the locking component 52 cooperate to ensure that the mounting base 30 is effectively locked or released within the receiving cavity 20. The locking groove 51 is provided on the second surface 10B of either the expansion plate 10 or the mounting base 30, and is typically a long rectangular groove, used to tightly engage with the locking component 52 to form a locked state. The depth and width of the locking groove 51 are sufficient to allow the locking component 52 to be firmly engaged, preventing loosening due to vibration or improper operation during use. The locking component 52 is provided on the expansion plate 10 or the mounting base 30 on the other side of the locking groove 51. The locking component 52 typically includes an elastic element, which moves the locking component 52 toward the locking groove 51, thereby achieving the locking effect. When locked, the locking component 52 is held in the locking groove 51 by the elastic element; when unlocked, the user pushes the locking component 52 to move it out of the locking groove 51, releasing the engagement between the two and allowing the mounting base 30 to rotate freely on the extension plate 10. After the user releases the locking component 52, the locking component 52 will return to its locked position under the action of the elastic element. At this time, rotating the mounting base 30 to the locked position will allow the locking component 52 to re-enter the locking groove 51 to complete the locking process.

[0056] Referring to FIG5, in one embodiment, the locking component 52 is disposed on the mounting base 30, and the locking component 52 includes:

[0057] The locking switch 53 is slidably mounted on the mounting base 30, and the surface of the locking switch 53 has an operating part 531 protruding from the mounting base 30. One end of the locking switch 53 is provided with a locking tongue 532, which can extend into the locking groove 51 to form a locking engagement with it or exit the locking groove 51 to cancel the locking engagement with it as the locking switch 53 slides.

[0058] The first elastic element 54 is disposed on the mounting base 30 and acts on the locking switch 53. The first elastic element 54 is used to provide an elastic force to the locking switch 53 to make it slide and reset.

[0059] In this embodiment, the locking component 52 is disposed on the second surface 10B of the mounting base 30, and the locking groove 51 is disposed on the second surface 10B of the extension plate 10 relative to the locking component 52. The locking switch 53 in the locking component 52 is disposed on the mounting base 30 and can slide horizontally along the second surface 10B of the extension plate 10. For ease of description, the direction in which the locking switch 53 moves toward the locking groove 51 is defined as the forward pushing direction, and the direction in which it moves away from the locking groove 51 is defined as the backward pushing direction. The main body of the locking switch 53 is hidden inside the mounting base 30. The mounting base 30 has a limiting groove at the position of the second surface 10B corresponding to the locking switch 53. The surface of the locking switch 53 facing the limiting groove has a protruding operating part 531, which slides in the limiting groove. As the user's operating object, it drives the movement of the main body of the locking switch 53, thereby completing the locking and unlocking operation. Referring to Figure 5, the limiting through groove has an inclined surface in the forward pushing direction of the operating part 531 of the locking switch 53. The inclined surface is inclined towards the inside of the limiting through groove. This design makes it convenient for the user to push the operating part 531 of the locking switch 53 in the backward pushing direction, thereby pushing the locking switch 53.

[0060] In this embodiment, the locking switch 53 has a locking tongue 532 at one end facing the locking groove 51. The locking tongue 532 can move with the locking switch 53. When the locking switch 53 is pushed forward to the limit position of the limiting groove, the locking tongue 532 can extend into the locking groove 51 to fix the mounting base 30 and the extension plate 10. A first elastic member 54 is connected between the locking switch 53 and the mounting base 30. The first elastic member 54 provides elastic force for the movement of the locking switch 53. When the locking tongue 532 and the locking groove 51 form a locking engagement, the first elastic member 54 always acts on the locking switch 53, so that the locking tongue 532 is always kept in the locking groove 51. For example, the first elastic member 54 can be a spring. When the locking engagement is released, the user pushes the operating part 531 of the locking switch 53 backward, so that the locking tongue 532 exits the locking groove 51. At this time, the user can remove the mounting base 30 from the receiving cavity 20. Furthermore, the cross-section of the latch 532 is a right-angled trapezoid, with the first surface 10A horizontally positioned and the second surface 10B inclined. When the user inserts the mounting base 30 into the receiving cavity 20, the inclined second surface 10B of the latch 532 abuts against the extension plate 10, causing the latch 532 to push backward via the extension plate 10. This eliminates the need for the user to push the locking switch 53 backward; simply pressing the mounting base 30 is sufficient to insert it into the receiving cavity 20.

[0061] Referring to FIG5, in one embodiment, the expansion plate 10 is provided with a connecting shaft 11, and the mounting base 30 is rotatably sleeved on the connecting shaft 11 to form a rotatable connection with the expansion plate 10; the connecting shaft 11 is sleeved with a second elastic member 12, which acts on the mounting base 30 to provide an elastic force to the mounting base 30 to make it rotate and return to its original position.

[0062] In this embodiment, the expansion plate 10 is provided with a connecting shaft 11, which is fixed to the expansion plate 10 near the second surface 10B. The mounting base 30 is provided with a rotating hole and is rotatably sleeved on the connecting shaft 11. During rotation, the expansion plate 10 itself will not interfere with the rotation of the mounting base 30. The mounting base 30 is moved in and out of the receiving cavity 20 by rotation via the connecting shaft 11. The expansion plate 10 may be provided with a limiting structure on one side of the connecting shaft 11 to limit the rotation angle of the mounting base 30. The connecting shaft 11 is also sleeved with a second elastic element 12, which acts on the mounting base 30 to provide an elastic force to the mounting base 30 to reset its rotation. For example, the second elastic element 12 may be a torsion spring, the main body of which is sleeved on the connecting shaft 11, and the torsion arms of the torsion spring are respectively connected to the mounting base 30 and the expansion plate 10. The initial state is when the mounting base 30 is rotated open, and the locked state is when the mounting base 30 is inserted into the receiving cavity 20. When the user releases the locking engagement, the second elastic element 12 causes the mounting base 30 to automatically retract from the receiving cavity 20 to its initial state, without requiring the user to manually remove it.

[0063] Referring to FIG5, in one embodiment, the mounting base 30 is provided with a mounting cavity 31 and a sealing cover 32 detachably connected to the mounting cavity 31 for sealing the mounting cavity 31. The mounting cavity 31 is used to mount the tracker 40.

[0064] In this embodiment, the mounting base 30 is provided with a mounting cavity 31, which is a closed internal space with an opening on one side. The mounting cavity 31 is used to mount the tracker 40. For example, the opening of the mounting cavity 31 is located on the first surface 10A of the mounting base 30. The tracker 40 can only be installed or removed when the mounting base 30 is taken out of the receiving cavity 20. The mounting cavity 31 is located in the central area of ​​the mounting base 30. Positioning protrusions or grooves may be provided on the inner side of the cavity to help align the tracker 40 in the mounting position, prevent installation errors, and ensure that the tracker 40 can be securely embedded. The sealing cover 32 and the mounting cavity 31 are connected by a detachable structure, which can be achieved by snap-fit, magnetic attraction, or threaded connection. Snap-fit ​​connection methods include vertical snap-fit, angled snap-fit, and rotational snap-fit. For example, the sealing cover 32 and the mounting cavity 31 are connected by a threaded connection. Through the effective sealing of the sealing cover 32, a relatively closed environment can be formed inside the mounting cavity 31, preventing the entry of harmful substances such as dust and moisture, which helps to extend the service life of the tracker 40 and improve the operational stability of the device.

[0065] Referring to FIG5, in one embodiment, an elastic buffer 33 is provided in the mounting cavity 31. The elastic buffer 33 is used to contact the tracker 40 and provide elastic cushioning for the tracker 40.

[0066] In this embodiment, to ensure the stability of the tracker 40 after installation, an elastic buffer 33 is provided inside the mounting cavity 31. The elastic buffer 33 can be evenly arranged along the inner wall of the mounting cavity 31, or it can be set as several independent buffer pads according to the contact surface of the tracker 40. The elastic buffer 33 is made of highly elastic and wear-resistant materials, such as silicone, EVA foam, or TPU, and has good cushioning performance and environmental resistance. The shape of the elastic buffer 33 matches the outline of the tracker 40's outer shell. The elastic buffer 33 forms a buffer layer between the tracker 40 and the mounting cavity 31, absorbing external mechanical vibration and impact, thereby effectively preventing the tracker 40 from being displaced or damaged due to vibration, and improving the stability of the device in dynamic environments. At the same time, through the close contact between the elastic buffer 33 and the surface of the tracker 40, not only is the friction between the tracker 40 and the mounting cavity 31 increased, but it can also automatically adjust the small gap between the tracker 40 and the mounting cavity 31 to a certain extent, making the installation effect more secure and reliable.

[0067] Referring to Figures 3 and 4, in one embodiment, the outer surface of the mounting base 30 is provided with a first opening 34 that communicates with the mounting cavity 31.

[0068] In this embodiment, a first opening 34 is provided on the outer surface of the mounting base 30, and the first opening 34 communicates with the internal mounting cavity 31. The number and shape of the first opening 34 can be designed according to actual needs. For example, the first opening 34 is located on the side of the mounting base 30. The first opening 34 serves as a communication channel between the internal mounting cavity 31 and the outside, which helps to improve air circulation inside the mounting cavity 31, reduce heat accumulation caused by the tracker 40 working for a long time, thereby improving the heat dissipation performance of the device and keeping the tracker 40 operating at a suitable operating temperature. At the same time, the signal of the tracker 40 can be transmitted outward through the first opening 34. In addition, the user can also observe whether the tracker 40 is placed in the mounting cavity 31 through the first opening 34.

[0069] Referring to Figures 3 and 4, in one embodiment, the expansion plate 10 is provided with a second opening 35 that communicates with the receiving cavity 20 and is located opposite to the first opening 34.

[0070] In this embodiment, a second opening 35 is provided on the outer surface of the expansion plate 10. The second opening 35 communicates with the internal receiving cavity 20 and is positioned opposite to the first opening 34. The signal of the tracker 40 can be transmitted outward through the second opening 35. In addition, the user can also observe whether the tracker 40 is placed in the mounting cavity 31 through the second opening 35 and the first opening 34.

[0071] Referring to Figures 6 to 8, in one embodiment, the camera device 60 has a battery compartment 61 for installing a battery and a cover 62 that can close or open the battery compartment 61, with the receiving cavity 20 corresponding to the position of the cover 62.

[0072] In this embodiment, conventional expansion boards 10 typically have space in the battery compartment 61 of the camera / video recording device 60 for battery replacement. However, this embodiment positions the receiving cavity 20 in the corresponding location of the battery compartment 61, fully utilizing the space of the expansion board 10 and making the tracker 40 highly concealed after installation. Furthermore, when the camera / video recording device 60 needs battery replacement, the mounting base 30 can be removed from the receiving cavity 20 to replace the battery; there is no need to separate the entire expansion board 10 from the camera / video recording device 60.

[0073] The above description is only a part or preferred embodiment of this application. Neither the text nor the drawings should limit the scope of protection of this application. All equivalent structural transformations made using the content of this application's specification and drawings under the overall concept of this application, or direct / indirect applications in other related technical fields, are included within the scope of protection of this application.

Claims

1. A photography extension accessory, wherein, include: An expansion plate, wherein a first surface of the expansion plate is used for mounting photographic and video equipment, a second surface of the expansion plate is used for connecting photographic and video accessories, and the expansion plate has a receiving cavity extending through the first surface and the second surface; and Mounting base, which is connected to the expansion plate and can be movably inserted into or removed from the receiving cavity, is used to mount the tracker.

2. The photography extension accessory according to claim 1, wherein, The mounting base is rotatably connected to the expansion plate, so that the mounting base can be rotated to be inserted into or removed from the receiving cavity; A locking structure is provided between the mounting base and the expansion plate, the locking structure being used to lock the mounting base when it is inserted into the receiving cavity.

3. The photography extension accessory according to claim 2, wherein, The locking structure includes: A locking groove is provided on one of the expansion plate and the mounting base; A locking assembly is provided on the other of the expansion plate and the mounting base, the locking assembly being used to form a locking engagement with the locking groove to lock the mounting base or to release the locking engagement with the locking groove to release the mounting base.

4. The photography extension accessory according to claim 3, wherein, The locking component is disposed on the mounting base, and the locking component includes: A locking switch is slidably mounted on the mounting base, and the surface of the locking switch has an operating part protruding from the mounting base. One end of the locking switch is provided with a locking tongue, which can extend into the locking groove to form a locking engagement with it or exit the locking groove to cancel the locking engagement with it as the locking switch slides. A first elastic element is disposed on the mounting base and acts on the locking switch. The first elastic element is used to provide an elastic force to the locking switch to cause it to slide and reset.

5. The photography extension accessory according to claim 2, wherein, The expansion plate is provided with a connecting shaft, and the mounting base is rotatably sleeved on the connecting shaft to form a rotatable connection with the expansion plate; The connecting shaft is fitted with a second elastic element, which acts on the mounting base to provide an elastic force to the mounting base to rotate and reset it.

6. The photography extension accessory according to claim 1, wherein, The mounting base is provided with a mounting cavity and a sealing cover detachably connected to the mounting cavity for sealing the mounting cavity. The mounting cavity is used to install the tracker.

7. The photography extension accessory according to claim 6, wherein, An elastic buffer is provided inside the mounting cavity. The elastic buffer is used to contact the tracker and provide elastic cushioning for the tracker.

8. The photography extension accessory according to claim 6, wherein, The outer surface of the mounting base is provided with a first opening that communicates with the mounting cavity.

9. The photography extension accessory according to claim 8, wherein, The expansion plate has a second opening that communicates with the receiving cavity and is opposite to the position of the first opening.

10. The photographic extension accessory according to any one of claims 1 to 9, wherein, The photographic and video recording equipment has a battery compartment for installing batteries and a cover that can close or open the battery compartment, wherein the receiving cavity corresponds to the position of the cover.

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