Unmanned aerial vehicle camera hatch cover positioning bead

Abstract

The invention discloses an unmanned aerial vehicle camera hatch cover positioning ball, and relates to the technical field of unmanned aerial vehicles, and the unmanned aerial vehicle camera hatch cover positioning ball comprises a positioning sleeve seat which is fixedly installed on a body of an unmanned aerial vehicle camera and is used for providing installation support for a positioning mechanism; the positioning ball piece is connected to the positioning sleeve seat in a sliding mode and connected with the bottom of the positioning ball piece through a positioning spring, and the positioning spring provides elastic acting force for sliding of the positioning ball piece; a positioning groove matched with the positioning ball piece is formed in the unmanned aerial vehicle camera cabin cover; the locking pin piece is mounted on the positioning sleeve seat and is linked with the positioning ball piece to adjust the telescopic position, and the locking pin piece is used for locking the camera cabin cover; through the staged closing design, assembling deviation is absorbed through elastic positioning, then external loads are resisted through the rigid lock pin, the closing precision is guaranteed, and the impact resistance is improved. In addition, the linkage mechanism organically combines the positioning action and the locking action, and the tedious process of step-by-step operation in the traditional design is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned aerial vehicles (UAVs), and in particular to a positioning bead for a camera cabin cover of an UAV. Background Art

[0002] With the rapid development of drone technology, drones are widely used in a variety of fields, including aerial photography, agricultural plant protection, logistics and distribution, geological exploration, and military reconnaissance. Their performance and user experience are constantly improving. As a key component protecting delicate components like the camera, the stability and reliability of drone camera covers are crucial. However, existing drone canopies suffer from significant design and functional flaws, seriously impacting the overall performance and service life of drones.

[0003] Most drone camera canopies currently on the market suffer from the following technical flaws: First, existing canopy mounting systems typically utilize simple clip-on or magnetic attachment mechanisms. These designs lack precise positioning, resulting in poor fit between the canopy and the drone. During the installation process, operators struggle to accurately determine the correct position of the canopy, leading to frequent misalignment. This misalignment not only affects the canopy's aesthetics but, more importantly, reduces its structural stability.

[0004] Secondly, due to the lack of an effective locking mechanism, existing hatches are extremely susceptible to airflow disturbances and mechanical vibrations during flight. This is particularly true at high speeds or in adverse weather conditions, where hatches can become loose or even fall off. A falling hatch not only exposes delicate components like the camera to environmental damage, such as dust and rain, but can also interfere with the drone's aerodynamic performance, posing a safety hazard.

[0005] Furthermore, existing hatch cover designs face the problem of wear and tear over time. Misalignment caused by inaccurate positioning accelerates wear at the interface between the hatch cover and the aircraft. This wear gradually reduces the hatch cover's structural strength and sealing performance, making it easier for external contaminants to enter the cabin. This wear and tear intensifies over time, ultimately leading to hatch cover failure and significantly shortening the drone's service life and maintenance cycle. Summary of the Invention

[0006] The purpose of the present invention is to provide a positioning bead for a drone camera hatch cover to solve the technical problem that the fixing method of the drone camera hatch cover mainly relies on a snap-on or magnetic structure, which lacks precise positioning function and easily causes deviation when the hatch cover is closed.

[0007] The purpose of the present invention can be achieved through the following technical solutions: UAV camera canopy positioning beads, including: A positioning sleeve, which is fixedly mounted on the body of the drone camera and is used to provide installation support for the positioning mechanism; A positioning ball is slidably connected to the positioning sleeve and is connected to the bottom of the positioning ball via a positioning spring, which provides an elastic force for the sliding of the positioning ball. A positioning groove matching the positioning ball is provided in the drone camera cabin cover; The locking pin is installed on the positioning sleeve and is linked with the positioning ball to adjust the telescopic position. The locking pin is used to lock the camera cabin cover.

[0008] Preferably, the positioning sleeve seat includes a positioning sleeve, and the outer peripheral wall of the positioning sleeve is provided with two groups of locking support sleeves. The side of the locking support sleeve close to the positioning sleeve is connected to the inside of the positioning sleeve, and the locking support sleeve is used to install a locking pin. One end of the positioning sleeve is fixedly provided with a spherical cover that cooperates with the positioning ball part, and the other end of the positioning sleeve is provided with a bottom tail nail for installing and positioning the positioning sleeve.

[0009] Preferably, the positioning ball component includes a sliding ball seat slidably arranged inside the positioning sleeve, a positioning ball is rotatably mounted on the sliding ball seat, and the ball cover is used to limit the sliding of the sliding ball seat and the positioning ball along the axial direction of the positioning sleeve. One end of the positioning spring is fixedly connected to the bottom of the sliding ball seat, and the other end thereof is fixedly connected to the inner bottom of the positioning sleeve.

[0010] Preferably, a plurality of positioning slide blocks are provided on the outer periphery of the sliding ball seat, and a positioning sliding groove for slidingly cooperating with the positioning slide blocks is provided on the inner wall of the positioning sleeve along the axial direction.

[0011] Preferably, a connecting groove is provided at the bottom of one end of the positioning sphere close to the sliding ball seat, a transmission bearing is fixedly installed at the connecting groove, a connecting shaft is fixedly installed at the upper end of the sliding ball seat, and the connecting shaft is fixedly connected to the inner ring of the transmission bearing.

[0012] Preferably, a driving groove is provided on the top of the end of the positioning sphere away from the sliding ball seat, and the cross-section of the driving groove is a regular polygon. A hatch knob that matches the driving groove is provided on the drone camera hatch, and the positioning sphere is driven to rotate by the hatch knob.

[0013] Preferably, the outer wall of the positioning ball body close to the sliding ball seat is fixedly connected with two groups of driving connecting plates in a circular array, the lower end of the driving connecting plate is fixedly connected with a driving inclined plate for driving the locking pin to rise and fall, and the side wall of the sliding ball seat is provided with a rotating connecting groove to avoid the rotation of the driving connecting plate.

[0014] Preferably, the locking pin comprises: A locking connecting plate is slidably arranged in the locking support sleeve along the axial direction of the positioning sleeve; An upper connecting plate is fixedly connected to the side of the locking connecting plate close to the positioning ball, and the cooperation between the upper connecting plate and the sliding ball seat limits the axial sliding of the locking connecting plate; The locking pin is fixedly connected to the side of the upper connecting plate away from the locking connecting plate. The locking pin slides through the side wall of the locking support sleeve, and a locking hole that matches the locking pin is provided on the drone camera cabin cover.

[0015] Preferably, the locking link is fixedly connected to a lower link at one end away from the upper link, and a locking spring is fixedly connected to the lower link. The locking spring is fixedly connected to the side wall of the locking support sleeve, and the locking spring is used to provide an elastic force for the axial sliding of the locking link.

[0016] Preferably, a transmission inclined plate is fixedly provided in the middle of the locking link plate, and relative driving inclined surfaces are provided on the transmission inclined plate and the driving inclined plate. The positive rotation of the positioning ball drives the driving inclined plate and the transmission inclined plate to be squeezed, so that the driving inclined surface drives the locking link plate to slide axially outward, so that the locking pin is inserted into the locking hole on the drone camera cabin cover, ensuring that the cabin cover is locked stably when closed. When the cabin cover needs to be opened, the positioning ball is driven to rotate in the opposite direction by the cabin cover knob, so that the driving inclined plate is separated from the transmission inclined plate, so that the locking pin and the locking link plate are retracted downward into the locking support sleeve under the elastic action of the locking spring, so that the locking pin is separated from the locking hole on the drone camera cabin cover, and then the positioning ball is separated from the positioning groove of the drone camera cabin cover by pressing the positioning ball downward, and then the cabin cover is removed.

[0017] Beneficial effects of the present invention: (1) Through the linkage of the positioning sleeve, the positioning ball and the locking pin, the precise positioning and elastic locking of the hatch cover are achieved, which solves the problems of positioning deviation, unstable locking and susceptibility to vibration in the existing technology. It has the advantages of improving the positioning accuracy of the hatch cover, enhancing the locking stability, reducing the vibration effect and extending the service life.

[0018] (2) Traditional snap-fit ​​structures rely solely on single-point elastic deformation for fixation, making them susceptible to fatigue failure in a vibrating environment. This solution utilizes a phased closing design, first using elastic positioning to absorb assembly deviations, and then using a rigid locking pin to resist external loads, ensuring both closing accuracy and improved impact resistance. Furthermore, the linkage mechanism organically combines positioning and locking actions, avoiding the cumbersome step-by-step process required in traditional designs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of a positioning bead for a camera hatch cover of a drone according to the present invention; Figure 2 This is a schematic diagram of the axonometric structure of a positioning bead for a camera hatch cover of a drone according to the present invention; Figure 3 This is a schematic diagram of the main structure of a positioning bead for a camera canopy of a drone according to the present invention; Figure 4 This is a side view structural diagram of a positioning bead for a camera hatch of a drone according to the present invention; Figure 5 This invention Figure 3 Schematic diagram of the cross-sectional structure in the AA direction; Figure 6 This invention Figure 3 Schematic diagram of the cross-sectional structure in the middle BB direction; Figure 7 This invention Figure 4 Schematic diagram of the cross-sectional structure in the CC direction; Figure 8 It is a schematic diagram of the three-dimensional structure of the positioning ball component of the present invention; Figure 9 This is a schematic diagram of the main structure of the positioning ball member of the present invention; Figure 10 This invention Figure 9 Schematic diagram of the cross-sectional structure in the DD direction.

[0021] In the figure: 100, positioning sleeve; 11, positioning sleeve; 12, locking support sleeve; 13, bottom tail nail; 14, sphere cover; 15, positioning slide; 200, positioning ball; 21, positioning ball; 211, driving groove; 212, connecting groove; 22, sliding ball seat; 221, rotating connecting groove; 23, transmission bearing; 24, connecting shaft; 25, positioning slider; 26, driving connecting plate; 27, driving inclined plate; 300, locking pin; 31, locking pin shaft; 32, upper connecting plate; 33, locking connecting plate; 34, driving inclined plate; 35, lower connecting plate; 36, locking spring; 400, positioning spring. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0023] See also Figures 1-10As shown, the present invention is a drone camera hatch positioning bead, comprising a positioning sleeve 100, a positioning ball 200, and a locking pin 300. The positioning sleeve 100 is fixedly mounted on the drone body, providing rigid support for the entire structure. The positioning ball 200 engages with the positioning sleeve 100 via a sliding connection, and a positioning spring 400 is connected at the bottom to form an elastic sliding structure. The locking pin 300 is mounted on the positioning sleeve 100 and works in conjunction with the positioning ball 200 to adjust the telescopic position, achieving secondary locking of the hatch.

[0024] Specifically, when the hatch cover is closed, the positioning ball 21 first embeds into the hatch cover groove to complete the initial positioning. At this time, the positioning spring 400 is compressed and contracts, allowing the ball to adaptively adjust its position to compensate for assembly errors. In the fully closed state, the rotation of the ball triggers the drive ramp 27 to squeeze the transmission ramp 34 of the locking pin 300, pushing the locking pin 31 into the hatch cover lock hole. In this process, elastic positioning eliminates initial deviations, and mechanical locking provides final fixation, forming a dual security mechanism. When opening is required, the ball is rotated in the opposite direction to separate the drive ramps, and the locking pin 31 automatically retracts under the action of the return spring.

[0025] Compared to existing technologies, traditional snap-fit ​​structures rely solely on single-point elastic deformation for fastening, making them susceptible to fatigue failure in vibrating environments. This solution utilizes a phased closing design, first using elastic positioning to absorb assembly deviations, and then using a rigid locking pin to resist external loads. This ensures both closing precision and improved impact resistance. Furthermore, a linkage mechanism seamlessly integrates positioning and locking actions, eliminating the cumbersome, step-by-step process required in traditional designs.

[0026] Through the above technical solution, this application effectively solves the problem of positioning deviation when the hatch cover is closed, eliminating the long-term wear caused by assembly errors. The locking method that combines elasticity and rigidity significantly improves the stability of the hatch cover under flight vibrations and prevents accidental opening. The linkage design simplifies the operation steps, realizes a one-touch closing and locking function, and improves user convenience.

[0027] See also Figure 1-Figure 7 As shown, the present application further proposes that the positioning sleeve 100 includes a positioning sleeve 11, and the outer peripheral wall of the positioning sleeve 11 is provided with two groups of locking support sleeves 12. The side of the locking support sleeve 12 close to the positioning sleeve 11 is connected to the inside of the positioning sleeve 11, and the locking support sleeve 12 is used to install the locking pin 300. One end of the positioning sleeve 11 is fixedly provided with a spherical cover 14 that cooperates with the positioning ball 200, and the other end of the positioning sleeve 11 is provided with a bottom tail nail 13 for installing and positioning the positioning sleeve 11.

[0028] Among them, the positioning sleeve 11 refers to a tubular structure as a core supporting component, which is used to carry the linkage mechanism of the positioning ball 200 and the locking pin 300. The locking support sleeve 12 refers to an installation structure symmetrically distributed on the outer peripheral wall of the positioning sleeve 11. Specifically, a sleeve integrally formed with the positioning sleeve 11 can be used to achieve communication between the locking pin 300 and the internal space of the positioning sleeve 11. The spherical cover 14 refers to a limiting component fixed to the end of the positioning sleeve 11, which is used to limit the axial sliding range of the positioning ball 200. The bottom tail nail 13 refers to a fixing component arranged at the end of the positioning sleeve 11. Specifically, a threaded connection or welding method can be used to mechanically fix the positioning sleeve 100 to the drone body.

[0029] Specifically, the positioning sleeve 11 is designed as a tubular structure with an internal cavity, and two sets of locking sleeves 12 are symmetrically distributed on its outer peripheral wall, so that the locking pin 300 can form a linkage with the internal space of the positioning sleeve 11 through the locking sleeve 12. The design of the locking sleeve 12 being connected to the inside of the positioning sleeve 11 allows the telescopic movement of the locking pin 300 to be synchronized with the movement of the positioning ball 200. The spherical cover 14 is fixed to one end of the positioning sleeve 11, and by cooperating with the spherical structure of the positioning ball 200, it limits the axial sliding displacement range of the positioning ball 200 while allowing it to rotate. The bottom tail nail 13 fixes the positioning sleeve 11 to the drone body through a mechanical connection to prevent the positioning sleeve 100 from shifting due to vibration or external force impact.

[0030] Compared to existing technologies, the positioning sleeve 100 of conventional drone canopies typically utilizes a single-sided locking structure, resulting in uneven force on the locking pin 300, which can easily cause deformation or wear. This solution, by symmetrically arranging two sets of locking sleeves 12, ensures that the locking pin 300 maintains balanced force when subjected to force, avoiding unilateral stress concentration. Furthermore, traditional installation methods often rely on gluing or simple clip-on fastening, which can easily loosen in vibrating environments. The mechanical fixing method of the bottom tail pin 13 significantly improves installation stability.

[0031] Through the above technical solution, the present application solves the problem of unstable installation caused by the unreasonable structure of the positioning sleeve 100. The symmetrical distribution design of the locking support sleeve 12 ensures that the locking pin 300 is subjected to balanced force during the extension and retraction process, avoiding deformation of the mechanism. The cooperation between the spherical cover 14 and the positioning ball 200 limits the axial sliding range, ensuring the accurate movement trajectory of the positioning ball 200 during elastic reset. The mechanical fixing method of the bottom tail nail 13 enhances the connection strength between the positioning sleeve 100 and the drone body, thereby improving the positioning accuracy and overall structural reliability when the hatch is closed.

[0032] See also Figure 1-Figure 7As shown, the present application further proposes that the positioning ball component 200 includes a sliding ball seat 22 slidably arranged inside the positioning sleeve 11, and a positioning ball 21 is rotatably mounted on the sliding ball seat 22. The ball cover 14 is used to limit the axial sliding of the sliding ball seat 22 and the positioning ball 21 along the positioning sleeve 11. One end of the positioning spring 400 is fixedly connected to the bottom of the sliding ball seat 22, and the other end thereof is fixedly connected to the inner bottom of the positioning sleeve 11.

[0033] The sliding ball seat 22 refers to a supporting structure that slides axially along the positioning sleeve 11. The positioning slider 25 arranged on its periphery cooperates with the positioning groove 15 to form an axial sliding guide. The positioning ball 21 refers to a spherical component that contacts the hatch cover positioning groove. Specifically, a chrome-plated steel ball can be used to achieve a rotational connection with the sliding ball seat 22 through a transmission bearing 23. The driving groove 211 is designed to be a regular polygon to achieve torque transmission with the hatch cover knob. The ball cover 14 refers to a limiting structure fixed to the end of the positioning sleeve 11. Specifically, an annular cover with a central through hole can be used to prevent the positioning ball 21 from leaving the working position by limiting the maximum displacement of the sliding ball seat 22. The positioning spring 400 refers to an elastic element that provides an axial reset force. Specifically, a stainless steel coil spring can be used to connect the sliding ball seat 22 and the bottom of the positioning sleeve 11 in a pre-compressed state to form a stable elastic support system.

[0034] Specifically, when the hatch cover is closed, the positioning ball 21 is pushed by the pressure of the hatch cover to push the sliding ball seat 22 to slide axially along the positioning sleeve 11, and the positioning spring 400 is compressed to store elastic potential energy. During this process, the cooperation between the positioning slider 25 and the positioning slide groove 15 constrains the sliding direction and eliminates the possibility of radial deviation. The ball cover 14 contacts the end face of the sliding ball seat 22 to form a hard limit, ensuring that the positioning ball 21 is always within the preset working stroke range. When the hatch cover is completely closed, the restoring force of the positioning spring 400 pushes the sliding ball seat 22 to reset, so that the positioning ball 21 is tightly embedded in the hatch cover groove to achieve precise positioning. During the rotation operation, the positioning ball 21 rotates freely relative to the sliding ball seat 22 through the transmission bearing 23, driving the drive link 26 and the locking pin 300 to generate linkage, while the sliding ball seat 22 maintains a stable axial position.

[0035] Compared with existing technologies, traditional hatch cover positioning mechanisms often utilize a non-guided plunger structure, which is prone to radial offset during sliding, leading to positioning errors. The lack of a hard stop can easily cause spring overload failure. This solution, through the combined application of an axial sliding guide structure and a hard stop, converts sliding friction into axial linear motion, effectively eliminating positioning errors caused by radial offset. The design of the positioning slider 25 in conjunction with the slide groove further reduces the friction coefficient of the kinematic pair, reducing hatch cover wear compared to direct metal-to-metal friction in traditional non-guided structures.

[0036] Through the above-mentioned technical solution, this application achieves precise axial guidance of the positioning sphere 21 during the hatch cover closing process, eliminating positioning errors caused by radial offset and improving the matching accuracy between the hatch cover and the fuselage positioning groove. The combination of the hard limit device and the elastic support system ensures the necessary travel of the positioning sphere 21 while avoiding damage to the mechanism due to overload. The axial sliding guide structure converts traditional point contact friction into surface contact sliding, significantly reducing the wear rate of the kinematic pair and extending the service life of the positioning mechanism.

[0037] See also Figure 1-Figure 7 As shown, the present application further proposes that a plurality of positioning slide blocks 25 are provided on the outer periphery of the sliding ball seat 22 , and a positioning sliding groove 15 that is slidably matched with the positioning slide blocks 25 is provided on the inner wall of the positioning sleeve 11 along the axial direction.

[0038] The positioning slider 25 is a raised structure provided on the outer periphery of the sliding ball seat 22. Its function is to form a sliding fit with the positioning groove 15 to limit the radial displacement of the sliding ball seat 22. The positioning groove 15 is a groove structure extending axially along the inner wall of the positioning sleeve 11. Its function is to provide a linear motion track for the positioning slider 25 and constrain the axial motion trajectory of the sliding ball seat 22.

[0039] Specifically, the positioning sliders 25 are circumferentially symmetrically distributed around the outer periphery of the sliding ball seat 22. When the sliding ball seat 22 is axially moved along the positioning sleeve 11 by the force of the positioning spring 400, the positioning sliders 25 are constrained to slide within the positioning grooves 15, thereby eliminating the possibility of radial deviation of the sliding ball seat 22. The axial extension of the positioning grooves 15 covers the maximum travel range of the sliding ball seat 22, ensuring that the sliders and grooves always cooperate effectively. Through the synchronous guidance of multiple sets of sliders and grooves, the axial motion trajectory of the sliding ball seat 22 is precisely constrained, preventing the mechanism from jamming due to deflection torque generated by single-point guidance.

[0040] Compared to existing technologies, the sliding components in conventional drone canopy positioning mechanisms typically utilize single-point guidance or clearance fits, which can easily lead to misalignment or jamming due to uneven force. For example, with a single guide post, the sliding ball seat 22 can easily tilt during spring compression, causing the positioning ball 21 to misalign with the canopy groove. This solution, through the symmetrical arrangement of multiple sets of sliders and guide grooves, creates a distributed guidance structure. This ensures uniform force at all contact points of the sliding ball seat 22 during movement, distributing resistance and reducing localized wear between the sliding surfaces.

[0041] Through the above-mentioned technical solution, this application solves the problem of reduced positioning accuracy caused by the lack of effective guidance during the axial movement of the sliding ball seat 22, eliminating the risk of misalignment between the hatch cover and the positioning ball 21 due to radial offset. The multi-point guidance structure reduces the unit area load on the contact surface between the slider and the slideway, reducing wear accumulation during long-term use and extending the service life of the mechanism. The improved movement stability of the sliding ball seat 22 also enhances the reliability of the linked adjustment action of the locking pin 300, ensuring the consistent locking state of the hatch cover.

[0042] See also Figure 1-Figure 7 As shown, the present application further proposes that a connecting groove 212 is provided at the bottom of one end of the positioning sphere 21 close to the sliding ball seat 22, a transmission bearing 23 is fixedly installed at the connecting groove 212, and a connecting shaft 24 is fixedly installed at the upper end of the sliding ball seat 22, and the connecting shaft 24 is fixedly connected to the inner ring of the transmission bearing 23.

[0043] The connecting groove 212 is a recessed structure at the bottom of the positioning ball 21 that accommodates the transmission bearing 23. It provides installation space for the transmission bearing 23 and limits radial displacement of the bearing's outer ring. The transmission bearing 23 is a rolling bearing installed within the connecting groove 212, converting sliding friction into rolling friction to reduce rotational resistance. The connecting shaft 24 is a cylindrical shaft fixed to the top of the sliding ball seat 22. It forms a revolving pair with the bearing's inner ring, enabling the free rotation of the positioning ball 21.

[0044] Specifically, when the positioning sphere 21 is subjected to external torque, the outer ring of the transmission bearing 23 in the connecting groove 212 is constrained by the side walls of the groove and cannot rotate, while the inner ring of the bearing rotates synchronously with the connecting shaft 24. Due to the rolling action of the bearing balls, the relative rotational resistance between the positioning sphere 21 and the sliding ball seat 22 is significantly reduced. The rigid fixation of the connecting shaft 24 and the inner ring of the bearing avoids rotational hysteresis caused by transmission clearance, while the rolling friction characteristics of the bearing reduce wear on the metal contact surface. During the flight of the UAV, the vibration energy generated by the repeated contact between the positioning sphere 21 and the hatch cover positioning groove is dispersed and absorbed by the bearing structure, avoiding structural fatigue caused by local stress concentration.

[0045] Compared to existing solutions, in which the positioning ball 21 and the sliding ball seat 22 are directly connected by a shaft-hole fit or a pin, sliding friction occurs between the contact surfaces, leading to rotational jamming and wear. This solution, by introducing a bearing structure, converts sliding friction into rolling friction, reducing rotational resistance and wear. This solution eliminates the metal debris accumulation caused by friction in existing solutions, and the closed bearing structure prevents external contaminants from entering the rotating pair.

[0046] Through the above technical solution, the present application solves the problem of rotation jamming and increased wear caused by insufficient connection stability between the positioning ball 21 and the sliding ball seat 22. Low-resistance and smooth rotation is achieved through the bearing structure, avoiding direct friction loss of the metal contact surface, and ensuring that the positioning mechanism of the unmanned aerial vehicle cabin cover maintains a reliable working state during repeated opening and closing.

[0047] The present application further proposes that a driving groove 211 is provided at the top of the end of the positioning sphere 21 away from the sliding ball seat 22, and the cross-section of the driving groove 211 is a regular polygon. A hatch knob that matches the driving groove 211 is provided on the drone camera hatch, and the positioning sphere 21 is driven to rotate by the hatch knob.

[0048] The drive groove 211 is a groove structure located on the top of the positioning sphere 21, away from the sliding ball seat 22. Its cross-section is a regular polygon, specifically a regular quadrilateral, hexagon, or octagon. Its non-circular geometric profile matches the shape of the hatch knob. The hatch knob is an operating component installed on the drone camera hatch. Its bottom has a protrusion structure corresponding to the shape of the drive groove 211, and torque transmission is achieved by the protrusion engaging the groove.

[0049] Specifically, when the hatch cover knob is rotated, the regular polygonal protrusion at its base contacts the corresponding inner wall of the drive groove 211, transmitting the rotational force directly to the positioning ball 21, thus preventing the relative slippage that can occur with traditional circular grooves. During rotation, the positioning ball 21 drives the connected drive link plate 26 and drive ramp plate 27, which in turn propels the locking pin 300 axially, allowing the locking pin 31 to be inserted into or separated from the hatch cover locking hole. The drive groove 211 is positioned at the top of the positioning ball 21, away from the sliding ball seat 22, creating a spatial separation between the knob's operating area and the locking mechanism's movement area, thus preventing mechanical interference.

[0050] Compared to existing technologies, traditional hatch cover locking mechanisms often use circular grooves and knobs. This can easily cause slippage during rotation due to the smooth contact surface, resulting in unstable locking force transmission. This solution significantly improves torque transmission reliability by geometrically matching the regular polygonal groove with the knob, eliminating idle travel during rotation and ensuring precise control of the displacement of the locking pin 300 with each operation.

[0051] Through the above technical solution, the present application effectively solves the problem of locking position deviation caused by slippage of the driving components during the locking process of the hatch cover, and realizes the reliable conversion of rotational force into linear locking force through geometric shape matching, ensuring that the locking pin 31 is accurately inserted into the locking hole when the hatch cover is closed. At the same time, the operation steps are simplified, and locking or unlocking can be completed with only a single rotation action, avoiding the cumbersome operation that requires multiple adjustments in traditional mechanisms.

[0052] The present application further proposes that two groups of driving connecting plates 26 in a circular array are fixedly connected to the outer peripheral wall of the positioning ball 21 close to the sliding ball seat 22, and the lower end of the driving connecting plate 26 is fixedly connected to a driving inclined plate 27 for driving the locking pin 300 to rise and fall, and the side wall of the sliding ball seat 22 is provided with a rotating connecting groove 221 to prevent the driving connecting plate 26 from rotating.

[0053] The drive link plate 26 is a rigid force-transmitting component fixedly connected to the sidewall of the positioning ball 21. Its function is to convert the circumferential motion generated by the rotation of the positioning ball 21 into axial displacement of the drive swash plate 27. The drive swash plate 27 is a transmission component with an inclined contact surface. Its function is to convert rotational torque into axial thrust through the inclined surface compression. The rotation coupling groove 221 is an arc-shaped groove provided in the sidewall of the sliding ball seat 22. Its function is to provide a rotational path for the drive link plate 26 and avoid motion interference with the sliding ball seat 22.

[0054] Specifically, when the positioning ball 21 is driven by the hatch cover knob to rotate forward, the drive connecting plate 26 rotates synchronously with the positioning ball 21, driving the drive inclined plate 27 to move circumferentially. After the inclined surface of the drive inclined plate 27 contacts the transmission inclined plate 34 of the locking pin 300, the locking pin 300 is pushed to slide axially outward through the squeezing action of the inclined surface, so that the locking pin shaft 31 is inserted into the hatch cover locking hole to complete the locking. During this process, the rotating connecting groove 221 allows the drive connecting plate 26 to rotate freely inside the sliding ball seat 22, avoiding movement jamming due to structural interference. When unlocking is required, the positioning ball 21 rotates in the opposite direction to disengage the drive inclined plate 27 from the transmission inclined plate 34, and the locking pin 300 automatically retracts under the action of the spring to achieve quick unlocking.

[0055] Compared to existing technologies, traditional hatch cover locking mechanisms require separate operation of the positioning ball 21 and the locking pin 300, resulting in cumbersome steps and poor linkage. This solution utilizes the inclined transmission structure of the drive link plate 26 and the drive ramp plate 27 to directly convert the rotational motion into the axial motion of the locking pin 300, achieving simultaneous positioning and locking control, eliminating the time delays and operational errors associated with separate operations.

[0056] Through the above-mentioned technical solution, the present application can simultaneously complete the engagement of the positioning ball 21 with the hatch cover groove and the extension and locking of the locking pin 300 in a single rotation of the hatch cover knob, avoiding the positioning deviation that may be caused by traditional step-by-step operation. The coordinated design of the rotating connecting groove 221 and the driving connecting plate 26 ensures that the driving components do not interfere with each other during rotation, improving the smoothness of the mechanism's operation. The forced mechanical linkage generated by the inclined transmission structure ensures that the locking pin 300 enters the locked state immediately after rotation, enhancing the hatch cover's resistance to vibration after closing.

[0057] See also Figures 8-10As shown, the present application further proposes that the locking pin 300 includes a locking connecting plate 33, an upper connecting plate 32, and a locking pin shaft 31. The locking connecting plate 33 is arranged in the locking support sleeve 12 along the axial sliding of the positioning sleeve 11; the upper connecting plate 32 is fixedly connected to the side of the locking connecting plate 33 close to the positioning ball 21, and the cooperation between the upper connecting plate 32 and the sliding ball seat 22 limits the axial sliding of the locking connecting plate 33; the locking pin shaft 31 is fixedly connected to the side of the upper connecting plate 32 away from the locking connecting plate 33, and the locking pin shaft 31 slides through the side wall of the locking support sleeve 12. A locking hole that cooperates with the locking pin shaft 31 is provided on the drone camera cabin cover.

[0058] The locking link 33 is a plate-like structure that slides axially. Its function is to ensure the precise alignment of the locking pin 31 with the locking hole through a linear motion trajectory. The upper link 32 is a limiter component perpendicularly connected to the locking link 33. Its function is to limit the axial sliding range of the locking link 33 through its contact surface with the sliding ball seat 22. The locking pin 31 is a cylindrical or conical rigid pin. Its function is to mechanically lock the hatch cover by inserting it into the locking hole, preventing the hatch cover from disengaging due to vibration or impact.

[0059] Specifically, when the locking link 33 slides axially within the locking sleeve 12, its motion trajectory is constrained by the inner wall of the locking sleeve 12, ensuring that the locking pin 31 always moves in a straight line. The contact surface between the upper link 32 and the sliding ball seat 22 forms the first limit. When the locking link 33 slides to the preset position, the upper link 32 is blocked by the sliding ball seat 22, preventing the locking pin 31 from excessively extending and causing structural interference. The locking pin 31 passes through the hole in the side wall of the locking sleeve 12. When it extends outward under the drive of the locking link 33, its end is precisely inserted into the hatch locking hole, forming a rigid lock; when the locking link 33 slides in the opposite direction, the locking pin 31 is completely retracted into the locking sleeve 12, achieving rapid unlocking.

[0060] Compared to existing technologies, traditional locking mechanisms rely on a single force, such as a spring or magnetic attraction, which cannot control the axial travel of the locking pin, leading to deviation in the locking position or increased wear. This solution, by combining an axial sliding structure with a dual limiter mechanism, precisely defines the motion trajectory of the locking pin shaft 31, eliminating locking pin deviation caused by vibration and reducing frictional losses during the sliding process.

[0061] Through the above technical solution, the present application achieves precise alignment of the hatch cover locking pin 31 and the locking hole, avoiding loosening or misaligned wear of the hatch cover due to locking deviation; through the coordinated action of axial sliding and the limiting structure, it ensures that the locking pin 31 maintains stable contact in the locked state, thereby improving the locking reliability of the hatch cover in the flight vibration environment; the linear motion path design of the locking pin 31 simplifies the unlocking operation process, realizing rapid opening and closing of the hatch cover.

[0062] The present application further proposes that the end of the locking connecting plate 33 away from the upper connecting plate 32 is fixedly connected to the lower connecting plate 35, and the lower connecting plate 35 is fixedly connected to the locking spring 36. The locking spring 36 is fixedly connected to the side wall of the locking support sleeve 12, and the locking spring 36 is used to provide an elastic force for the axial sliding of the locking connecting plate 33.

[0063] The locking link 33 is a plate-like structure that slides axially along the positioning sleeve 11 and is used to transmit the axial movement of the locking pin 31. The lower connecting plate 35 is a plate-like structure perpendicularly connected to the end of the locking link 33 and is used to support the installation of the locking spring 36. The locking spring 36 is a mechanical element that provides axial elastic force, with its ends respectively fixed to the lower connecting plate 35 and the side wall of the locking support sleeve 12. The side wall of the locking support sleeve 12 is the inner fixing surface of the locking support sleeve 12, which is used to fix the end of the locking spring 36.

[0064] Specifically, when the locking pin 31 is inserted into the hatch locking hole, the locking link 33 is subjected to axial thrust, which compresses the locking spring 36. The elastic deformation of the spring absorbs the mechanical impact energy, allowing the locking pin 31 to form a flexible contact with the locking hole. When the hatch is closed, the preload of the locking spring 36 continuously acts on the locking link 33, allowing the locking pin 31 to maintain a stable insertion depth. During the unlocking process, after the drive bevel plate 27 separates from the transmission bevel plate 34, the elastic restoring force of the locking spring 36 drives the locking link 33 to retract axially, causing the locking pin 31 to completely disengage from the locking hole. The direction of the axial elastic force of the spring remains coaxial with the motion trajectory of the locking link 33, avoiding motion jamming caused by lateral force components.

[0065] Compared to existing locking mechanisms, which often use a rigid push rod to directly drive the locking pin, this creates a hard impact during insertion, leading to wear on the contact surface. This solution dynamically adjusts the contact force through the elastic deformation of the spring, creating a buffer at the moment the locking pin 31 contacts the locking hole, eliminating metal fatigue caused by rigid impact. Furthermore, the spring's continuous preload compensates for assembly play caused by manufacturing tolerances, ensuring locking stability under varying operating conditions.

[0066] Through the above-mentioned technical solution, the present application effectively reduces the contact stress between the locking pin 31 and the hatch locking hole, preventing wear of the mating surfaces caused by long-term use. The elastic force enables the locking pin 31 to automatically adapt to hole position deviations during insertion, improving the locking mechanism's tolerance for assembly errors. The reset function of the locking spring 36 ensures a rapid unlocking action, avoiding the reset delay caused by friction in traditional mechanical latches.

[0067] When the cam 33 is in the closed position, the locking pin 31 is inserted into the locking hole 31 of the cam 33 and the locking pin 31 is inserted into the locking hole of the cam 33 to ensure the stable locking of the cam 33 when the cam 33 is closed.

[0068] The transmission ramp 34 is a sloped structure fixed to the center of the locking link 33. Its angle matches that of the drive ramp 27, converting rotational motion into axial displacement. The drive ramp is the inclined surface where the transmission ramp 34 contacts the drive ramp 27. This sloped surface creates a lateral force component, forcing the locking link 33 to slide. The locking spring 36 is an elastic element installed within the locking support sleeve 12, providing a resilient force to return the locking link 33 to its original position after the drive ramp separates.

[0069] Specifically, when the positioning ball 21 rotates in the forward direction, the driving swash plate 27 rotates with it and contacts and presses against the driving bevel of the transmission swash plate 34, generating a lateral force component that pushes the locking link 33 outward, allowing the locking pin 31 to enter the hatch locking hole and achieve rigid locking. During reverse rotation, the driving swash plate 27 separates from the transmission swash plate 34, and the elastic force of the locking spring 36 causes the locking link 33 to retract the locking pin 31 inward, releasing the lock. To disassemble the hatch, the locking pin 31 must first be released by rotating in the reverse direction, then the positioning ball 21 is pressed to disengage it from the hatch positioning groove, achieving a step-by-step, orderly separation.

[0070] Compared to existing technologies, traditional hatch cover locking mechanisms rely on snaps or magnetic fastening, lacking mechanical linkage and self-locking features, making them susceptible to loosening due to vibration. This solution uses an inclined transmission to convert rotational motion into an axial locking action, combined with a spring-loaded automatic reset. This eliminates the tedious manual unlocking process and prevents component interference through step-by-step separation, improving locking stability and operational reliability.

[0071] Through the above technical solution, the present application solves the problems of unstable locking and difficult opening of the hatch cover, ensuring that the locking pin 31 and the locking hole are precisely matched to form a rigid lock when the hatch cover is closed, avoiding the risk of loosening caused by flight vibration; when unlocking, the locking and positioning constraints are released step by step through reverse rotation and downward pressure, which is easy to operate and prevents accidental touch, thereby extending the service life of the hatch cover and the locking mechanism.

[0072] The above is a detailed description of an embodiment of the present invention. However, the content described is only a preferred embodiment of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. UAV camera canopy positioning beads, characterized by: include: A positioning sleeve (100) is fixedly mounted on the body of the drone camera and is used to provide mounting support for the positioning mechanism; A positioning ball (200) is slidably connected to the positioning sleeve (100) and is connected to the bottom of the positioning ball (200) via a positioning spring (400), wherein the positioning spring (400) provides an elastic force for the sliding of the positioning ball (200); a positioning groove matching the positioning ball (200) is provided in the drone camera cabin cover; A locking pin (300) is mounted on the positioning sleeve (100) and is linked with the positioning ball (200) to adjust the telescopic position. The locking pin (300) is used to lock the camera cabin cover.

2. The drone camera cabin cover positioning bead according to claim 1, characterized in that: The positioning sleeve (100) includes a positioning sleeve (11), and the outer peripheral wall of the positioning sleeve (11) is provided with two sets of locking support sleeves (12). The side of the locking support sleeve (12) close to the positioning sleeve (11) is connected to the interior of the positioning sleeve (11), and the locking support sleeve (12) is used to install a locking pin (300). One end of the positioning sleeve (11) is fixedly provided with a spherical cover (14) that matches the positioning ball (200), and the other end of the positioning sleeve (11) is provided with a bottom tail nail (13) for installing and positioning the positioning sleeve (11).

3. The drone camera cabin cover positioning bead according to claim 2, characterized in that: The positioning ball member (200) includes a sliding ball seat (22) slidably arranged inside the positioning sleeve (11), a positioning ball (21) is rotatably mounted on the sliding ball seat (22), and the ball cover (14) is used to limit the sliding ball seat (22) and the positioning ball (21) from sliding axially along the positioning sleeve (11). One end of the positioning spring (400) is fixedly connected to the bottom of the sliding ball seat (22), and the other end is fixedly connected to the inner bottom of the positioning sleeve (11).

4. The drone camera cabin cover positioning bead according to claim 2, characterized in that: A plurality of positioning slide blocks (25) are provided on the outer periphery of the sliding ball seat (22), and a positioning sliding groove (15) that is slidably engaged with the positioning slide blocks (25) is provided on the inner wall of the positioning sleeve (11) along the axial direction.

5. The drone camera cabin cover positioning bead according to claim 4, characterized in that: A connecting groove (212) is provided at the bottom of one end of the positioning sphere (21) close to the sliding ball seat (22), a transmission bearing (23) is fixedly installed in the connecting groove (212), and a connecting shaft (24) is fixedly installed at the upper end of the sliding ball seat (22), and the connecting shaft (24) is fixedly connected to the inner ring of the transmission bearing (23).

6. The drone camera cabin cover positioning bead according to claim 5, characterized in that: A driving groove (211) is provided on the top of one end of the positioning sphere (21) away from the sliding ball seat (22), and the cross section of the driving groove (211) is a regular polygon. A hatch knob that matches the driving groove (211) is provided on the drone camera hatch, and the positioning sphere (21) is driven to rotate by the hatch knob.

7. The drone camera cabin cover positioning bead according to claim 6, characterized in that: Two groups of driving connecting plates (26) in a circumferential array are fixedly connected to the outer peripheral wall of one side of the positioning sphere (21) close to the sliding ball seat (22), and a driving inclined plate (27) for driving the locking pin (300) to rise and fall is fixedly connected to the lower end of the driving connecting plate (26), and a rotating connecting groove (221) is provided on the side wall of the sliding ball seat (22) to avoid the rotation of the driving connecting plate (26).

8. The drone camera cabin cover positioning bead according to claim 7, characterized in that: The locking pin (300) comprises: A locking connecting plate (33) is slidably arranged in the locking support sleeve (12) along the axial direction of the positioning sleeve (11); An upper connecting plate (32) is fixedly connected to a side of the locking connecting plate (33) close to the positioning ball (21), wherein the upper connecting plate (32) cooperates with the sliding ball seat (22) to limit the axial sliding of the locking connecting plate (33); A locking pin (31) is fixedly connected to a side of the upper connecting plate (32) away from the locking connecting plate (33), and the locking pin (31) slides through the side wall of the locking support sleeve (12). A locking hole that matches the locking pin (31) is provided on the drone camera cabin cover.

9. The drone camera cabin cover positioning bead according to claim 8, characterized in that: One end of the locking connecting plate (33) away from the upper connecting plate (32) is fixedly connected to a lower connecting plate (35), and a locking spring (36) is fixedly connected to the lower connecting plate (35). The locking spring (36) is fixedly connected to the side wall of the locking support sleeve (12), and the locking spring (36) is used to provide an elastic force for the axial sliding of the locking connecting plate (33).

10. The drone camera cabin cover positioning bead according to claim 9, characterized in that: A transmission inclined plate (34) is fixedly provided in the middle of the locking link plate (33), and opposing driving inclined surfaces are provided on the transmission inclined plate (34) and the driving inclined plate (27).

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