Rubber band power ejection frame device of small unmanned aerial vehicle

Abstract

The utility model relates to an ejection rack device, belongs to the technical field of pneumatic ejection of unmanned aerial vehicles, and particularly relates to a rubber band power ejection rack device of a small unmanned aerial vehicle, which comprises a shell, and a motor is fixedly connected to the inner wall of one side of the shell; the unmanned aerial vehicle is placed on the placing frame, the motor is started to drive the rotating shaft to rotate, drive the half gear and the rack to move and drive the placing frame on the connecting block to move backwards, when the half gear and the rack are not meshed, the unmanned aerial vehicle can be catapulted through the rubber band catapulting assembly, and automatic catapulting of the unmanned aerial vehicle is achieved; according to the unmanned aerial vehicle ejection device, the practicability of the device is improved, then the working efficiency of unmanned aerial vehicle ejection is improved, and the problems that most existing devices are stretched through air cylinder structures when ejecting unmanned aerial vehicles, the air cylinder structures are prone to being influenced by the environment during use, the performance of air cylinders is prone to being influenced, and the service life of the air cylinders is prolonged are solved. And therefore, the working efficiency during ejection of the rubber band is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic ejection of unmanned aerial vehicles, in particular to a rubber band powered ejection frame device for a small unmanned aerial vehicle. Background Art

[0002] Unmanned aerial vehicle, referred to as "UAV", is an unmanned aircraft controlled by radio remote control equipment and self-contained program control devices, or operated completely or intermittently autonomously by an on-board computer. Compared with manned aircraft, UAVs are often more suitable for tasks that are too "dull, dirty or dangerous". They are currently used in aerial photography, agriculture, plant protection, micro selfies, express delivery, disaster relief, wildlife observation, monitoring infectious diseases, surveying and mapping, news reporting, power inspections, disaster relief, film and television shooting, creating romance and many other fields.

[0003] After searching the Chinese patent with publication number CN213502948U, a pneumatic ejection device for a drone is disclosed, wherein a cylinder mechanism is provided at the upper end of the ejection frame, an ejection trolley is provided on one side of the cylinder mechanism, support columns are provided on both sides of the ejection frame, a rotating shaft is provided between the support column and the ejection frame, and the rotating shaft passes through the ejection frame and the support column, a cone plate is provided at the lower end of the support column, a slide groove is provided on the upper surface of the ejection frame, and the slide groove and the ejection frame are an integrated structure, a buffer pad is provided at one end of the ejection frame, and the buffer pad is fixedly connected to the ejection frame and the slide groove, and an electric hydraulic mechanism is provided at the lower end of the ejection frame.

[0004] Based on the above search and combined with the prior art, we found that:

[0005] Most existing devices use a cylinder structure for stretching when launching a UAV. However, the cylinder structure is easily affected by the environment during use, which can easily affect the performance of the cylinder, thereby reducing the working efficiency of the rubber band during launching. Utility Model Content

[0006] In order to solve the above technical problems, the utility model proposes a rubber band powered ejection frame device for a small UAV, which places the UAV on a placement frame, and then starts the motor to drive the rotating shaft to rotate, drive the half gear and the rack to move, and then drive the placement frame on the connecting block to move backward. The roller assembly can improve the stability of the placement frame during movement. When the half gear and the rack are not engaged, the UAV can be ejected by the rubber band ejection assembly.

[0007] The technical solution to achieve the purpose of the utility model is: a small UAV rubber band powered ejection frame device, including a shell, a motor is fixedly connected to the inner wall of one side of the shell, the output end of the motor is fixedly connected to the rotating shaft through a coupling, and a half gear is keyed on the circumferential outer wall of the rotating shaft, and also includes;

[0008] An automatic ejection mechanism, wherein the automatic ejection mechanism is located on the housing;

[0009] The automatic ejection mechanism includes a power unit and an ejection unit. The power unit includes a sliding groove opened on the inner wall of the top of the shell, a sliding block is slidably connected to the sliding groove, a rack is fixedly connected to the bottom of the sliding block, the rack is meshed with the half gear, and a connecting block is fixedly connected to the top of the rack.

[0010] In some embodiments, the ejection unit includes a strip hole and two elongated grooves opened on the outer shell, the top of the connecting block passes through the strip hole and is fixedly connected to a placement frame, four sets of roller assemblies are installed on the bottom of the placement frame, and every two roller assemblies are respectively slidably connected to the elongated grooves, and a rubber band ejection assembly is placed and installed on the outer shell and the placement frame.

[0011] In some embodiments, a long block is fixedly connected to the top inner wall of the shell, a sliding rod is slidably connected to the long block, one end of the sliding rod is fixedly connected to a rack, and the other end of the sliding rod is fixedly connected to a circular block.

[0012] In some embodiments, a fixing block is fixedly connected to the top inner wall of the housing.

[0013] In some embodiments, a buffer spring is sleeved on the sliding rod, and two ends of the buffer spring are respectively fixedly connected to the circular block and the elongated block.

[0014] In some embodiments, two T-shaped bases are fixedly connected to the bottom of the housing.

[0015] Compared with the prior art, the present invention has the following significant advantages:

[0016] The utility model places the UAV on the placement frame, then starts the motor to drive the rotating shaft to rotate, drives the half gear and the rack to move, and ensures the stability of the rack when moving through the sliding groove, the slider and the sliding rod on the long block, thereby driving the placement frame on the connecting block to move backward, and improves the stability of the placement frame when moving through the roller assembly. When the half gear and the rack are not meshed, the UAV can be ejected through the rubber band ejection assembly, thereby realizing automatic ejection of the UAV, increasing the practicality of the device, and thus improving the work efficiency of ejecting the UAV.

[0017] The invention solves the problem that most existing devices use a cylinder structure for stretching when launching a UAV, and the cylinder structure is easily affected by the environment when in use, which easily affects the performance of the cylinder, thereby reducing the working efficiency of the rubber band during launching. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure provided by the utility model in one embodiment;

[0020] Figure 2 It is a schematic diagram of the overall cross-sectional three-dimensional structure provided by the utility model in one embodiment;

[0021] Figure 3 The utility model provides in one embodiment Figure 2 A in the middle is an enlarged schematic diagram of the three-dimensional structure.

[0022] Description of reference numerals:

[0023] 1. Shell; 2. Motor; 3. Rotating shaft; 4. Sliding groove; 5. Sliding block; 6. Rack; 7. Half gear; 8. Connecting block; 9. Placement frame; 10. Roller assembly; 11. Long groove; 12. Rubber band ejection assembly; 13. Fixed block; 14. Long block; 15. Sliding rod; 16. Round block; 17. Buffer spring; 18. T-shaped base. DETAILED DESCRIPTION

[0024] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides a small UAV rubber band powered ejection frame device through improvement. The technical solution of the utility model is:

[0026] like Figure 1-Figure 3 As shown, a small UAV rubber band powered ejection frame device includes a shell 1, and the shell 1 and the motor 2 are preferably fixed by bolts to facilitate disassembly during maintenance. The motor 2 is fixedly connected to the inner wall of one side of the shell 1, and the output end of the motor 2 is fixedly connected to the rotating shaft 3 through a coupling. The circumferential outer wall of the rotating shaft 3 is keyed to a half gear 7, and also includes; an automatic ejection mechanism, which is located on the shell 1; the automatic ejection mechanism includes a power unit and an ejection unit, and the power unit includes a sliding groove 4 opened on the top inner wall of the shell 1, and a slider 5 is slidably connected to the sliding groove 4, and a rack 6 is fixedly connected to the bottom of the slider 5, and the rack 6 is meshed with the half gear 7, and the top of the rack 6 is fixedly connected to a connecting block 8; through the setting of the power unit, power is provided when the device is ejected.

[0027] like Figure 1 and Figure 2As shown, in one embodiment, the ejection unit includes a strip hole and two elongated grooves 11 opened on the outer shell 1, the top of the connecting block 8 passes through the strip hole and is fixedly connected to the placement frame 9, four groups of roller assemblies 10 are installed at the bottom of the placement frame 9, and every two roller assemblies 10 are respectively slidably connected to the elongated grooves 11, and a rubber band ejection assembly 12 is installed on the outer shell 1 and the placement frame 9; through the setting of the ejection unit, the ejection of the drone placed on the placement frame 9 is realized.

[0028] like Figure 2 As shown, in one embodiment, an elongated block 14 is fixedly connected to the top inner wall of the housing 1, a sliding rod 15 is slidably connected to the elongated block 14, one end of the sliding rod 15 is fixedly connected to the rack 6, and the other end of the sliding rod 15 is fixedly connected to the circular block 16; by setting the sliding rod 15, it is possible to improve the stability of the rack 6 when it moves.

[0029] like Figure 3 As shown, in one embodiment, a fixing block 13 is fixedly connected to the top inner wall of the housing 1; by setting the fixing block 13, the position of the slider 5 is limited when it moves.

[0030] like Figure 2 As shown, in one embodiment, a buffer spring 17 is sleeved on the sliding rod 15, and both ends of the buffer spring 17 are fixedly connected to the circular block 16 and the elongated block 14 respectively; through the setting of the buffer spring 17, buffering is achieved after the ejection device is ejected.

[0031] like Figure 1 As shown, in one embodiment, two T-shaped bases 18 are fixedly connected to the bottom of the housing 1; the housing 1 is supported by the arrangement of the T-shaped bases 18.

[0032] The specific working method is: when in use, place the drone on the placement frame 9, then start the motor 2 to drive the rotating shaft 3 to rotate, drive the half gear 7 and the rack 6 to move, and through the sliding groove 4 and the slider 5 and the sliding rod 15 on the long block 14, the stability of the rack 6 during movement can be ensured, thereby driving the placement frame 9 on the connecting block 8 to move backward. The roller assembly 10 can improve the stability of the placement frame 9 during movement. When the half gear 7 and the rack 6 are not engaged, the drone can be ejected through the rubber band ejection assembly 12, thereby realizing automatic ejection of the drone, increasing the practicality of the device, and thereby improving the work efficiency of ejecting the drone.

[0033] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A rubber band powered ejection frame device for a small unmanned aerial vehicle, comprising a housing (1), a motor (2) fixedly connected to an inner wall of one side of the housing (1), an output end of the motor (2) fixedly connected to a rotating shaft (3) via a coupling, a half gear (7) keyed to an outer circumferential wall of the rotating shaft (3), characterized in that: Also includes; An automatic ejection mechanism, the automatic ejection mechanism being located on the housing (1); The automatic ejection mechanism comprises a power unit and an ejection unit. The power unit comprises a sliding groove (4) provided on the inner wall of the top of the housing (1). A slider (5) is slidably connected to the sliding groove (4). A rack (6) is fixedly connected to the bottom of the slider (5). The rack (6) is meshed with a half gear (7). A connecting block (8) is fixedly connected to the top of the rack (6).

2. The small UAV rubber band powered ejection rack device according to claim 1, characterized in that: The ejection unit comprises a strip hole and two elongated grooves (11) formed on the outer shell (1); the top of the connection block (8) penetrates the strip hole and is fixedly connected to a placement frame (9); four groups of roller assemblies (10) are installed at the bottom of the placement frame (9); every two roller assemblies (10) are respectively slidably connected to the elongated grooves (11); and a rubber band ejection assembly (12) is installed on the outer shell (1) and the placement frame (9).

3. The small UAV rubber band powered ejection rack device according to claim 1, characterized in that: The top inner wall of the housing (1) is fixedly connected to a long block (14), a sliding rod (15) is slidably connected to the long block (14), one end of the sliding rod (15) is fixedly connected to a rack (6), and the other end of the sliding rod (15) is fixedly connected to a circular block (16).

4. The small UAV rubber band powered ejection rack device according to claim 1, characterized in that: A fixing block (13) is fixedly connected to the top inner wall of the housing (1).

5. The small UAV rubber band powered ejection rack device according to claim 3 is characterized in that: A buffer spring (17) is sleeved on the sliding rod (15), and two ends of the buffer spring (17) are respectively fixedly connected to the circular block (16) and the elongated block (14).

6. The small UAV rubber band powered ejection rack device according to claim 1, characterized in that: Two T-shaped bases (18) are fixedly connected to the bottom of the housing (1).

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