Thrust adjusting device for rocket booster of unmanned aerial vehicle
By designing a thrust adjustment device for drone rocket boosters, and utilizing a combination of adjustment columns and conical booster shells, the problem of uncontrollable thrust was solved, adaptability was improved, vibration was reduced, and the safe takeoff of the drone was ensured.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-04-07
AI Technical Summary
The thrust of existing drone rocket boosters is uncontrollable, resulting in inconsistent takeoff states for drones of different weights and sizes, which may damage the drones in severe cases.
A thrust adjustment device for a drone rocket booster was designed. By replacing the adjustment column and the conical booster shell, combined with the damping ring and damping rod, thrust adjustment and vibration reduction can be achieved.
This improved the adaptability of the rocket booster, reduced the impact of vibration, and ensured the safe takeoff of the drone.
Smart Images

Figure CN224090459U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of rocket booster, concretely relates to an unmanned aerial vehicle rocket booster thrust adjusting device. BACKGROUND
[0002] The unmanned aerial vehicle rocket booster is applied to the field of unmanned aerial vehicle by rocket propulsion technology, and it mainly sends the unmanned aerial vehicle to high altitude quickly to provide the unmanned aerial vehicle with the condition of ascending; the existing unmanned aerial vehicle rocket booster has poor universality, which is mainly caused by the uncontrollable thrust of the rocket booster, the ascending required thrust of unmanned aerial vehicles of different weights and sizes is different, and the uncontrollable thrust of the existing rocket booster directly affects the ascending state of the unmanned aerial vehicle, and seriously damages the unmanned aerial vehicle. SUMMARY
[0003] The utility model provides a unmanned aerial vehicle rocket booster thrust adjusting device, its simple structure, convenient and practical through the replacement corresponding adjusting column and conical booster shell, realize according to corresponding unmanned aerial vehicle adjustment rocket booster thrust, reach the purpose that improve rocket booster adaptability.
[0004] A kind of unmanned aerial vehicle rocket booster thrust adjusting device, including columnar shell, electronic igniter, fixed body fuel and boost mechanism, the electronic igniter and boost mechanism are connected at columnar shell two ends respectively, the fixed body fuel is arranged in fixed body fuel, the fixed body fuel is opened in the communication electronic igniter and boost mechanism's combustion hole; The boost mechanism includes guide push tube, sealing shell, conical booster shell and adjusting column, the sealing shell is connected on columnar shell, the guide push tube is arranged in columnar shell and one end penetrates sealing shell and is connected with conical booster shell, the adjusting column is connected in guide push tube, a plurality of holes are uniformly opened on the guide push tube, a plurality of injection holes are penetrated on the adjusting column.
[0005] Preferably, the end of the guide push tube close to the conical booster shell is provided with an outer flange, a plurality of shock-absorbing rods are hingedly connected to the outer flange, one end of the shock-absorbing rods is in contact with the sealing shell and the other end is in contact with the conical booster shell.
[0006] Preferably, a shock-absorbing ring is sleeved on the outer wall of the conical booster shell, and the shock-absorbing ring is in contact with the shock-absorbing rods.
[0007] Preferably, grooves are formed on the shock-absorbing ring for the shock-absorbing rods to be inserted and positioned.
[0008] Preferably, the sealing shell and the guide push tube, the guide push tube and the conical booster shell, and the adjusting column and the guide push tube are connected by threads.
[0009] Advantages:
[0010] (1) The unmanned aerial vehicle rocket booster thrust adjusting device has the advantages of simple structure, convenience, practicality, replacement of corresponding adjusting columns and conical booster shells, adjustment of the rocket booster thrust according to the corresponding unmanned aerial vehicle, and the purpose of improving the adaptability of the rocket booster.
[0011] (2) The unmanned aerial vehicle rocket booster thrust adjusting device has the advantages of supporting the damping ring through the damping rod, increasing the contact area with the conical booster shell through the damping ring, and reducing the vibration of the conical booster shell caused by the thrust. BRIEF DESCRIPTION OF DRAWINGS
[0012] Fig. 1 is a structural schematic view of a rocket booster;
[0013] Fig. 2 is a structural schematic view of a boosting mechanism;
[0014] 1-cylindrical shell, 2-electronic igniter, 3-fixed body fuel, 4-burning hole, 5-boosting mechanism, 51-lead pushing pipe, 52-sealing shell, 53-conical booster shell, 54-adjusting column, 55-outer flange, 56-damping rod, 57-damping ring. DETAILED DESCRIPTION
[0015] The embodiments of the present application will be further described below with reference to the accompanying drawings.
[0016] Example 1
[0017] As Figs. 1-2The utility model discloses a kind of unmanned aerial vehicle rocket booster thrust adjusting device, including cylindrical shell 1, electronic igniter 2, fixed body fuel 3 and booster mechanism 5, the electronic igniter 2 and booster mechanism 5 are connected respectively at both ends of cylindrical shell 1, the fixed body fuel 3 is arranged in fixed body fuel 3, the fixed body fuel 3 is equipped with the combustion hole 4 that is connected with electronic igniter 2 and booster mechanism 5;The booster mechanism 5 includes guide push tube 51, sealing shell 52, conical booster shell 53 and adjusting column 54, the sealing shell 52 is connected on cylindrical shell 1, the guide push tube 51 is arranged in cylindrical shell 1 and one end is connected with conical booster shell 53 by penetrating sealing shell 52, the adjusting column 54 is connected in guide push tube 51, the guide push tube 51 is evenly equipped with a plurality of holes, and the adjusting column 54 is penetrated by a plurality of injection holes;The one end of guide push tube 51 close to conical booster shell 53 is provided with outer curling edge 55, and the outer curling edge 55 is evenly hinged with a plurality of shock rods 56, one end of the shock rod 56 is contact connection with sealing shell 52 and the other end is contact connection with conical booster shell 53;The outer wall of conical booster shell 53 is sleeved with shock absorbing ring 57, and the shock absorbing ring 57 is in contact with shock rod 56;The shock absorbing ring 57 is provided with a groove for inserting and positioning the shock rod 56;Threaded connection is used between sealing shell 52 and guide push tube 51, between guide push tube 51 and conical booster shell 53 and between adjusting column 54 and guide push tube 51.
[0018] Among them, the cylindrical shell 1, electronic igniter 2, fixed body fuel 3, combustion hole 4 and conical booster shell 53 are prior art, and will not be described again in detail.
[0019] The above detailed description of the specific embodiments of the utility model, but it is only as an example, the utility model is not limited to the above described specific embodiments. For those skilled in the art, any equivalent modification and replacement to the utility model are also within the scope of the utility model. Therefore, equivalent transformation and modification made without departing from the spirit and scope of the utility model are also covered in the scope of the utility model.
Claims
1. A thrust adjustment device for a drone rocket booster, characterized in that: The device includes a cylindrical outer shell (1), an electronic igniter (2), a fixed fuel (3), and a booster mechanism (5). The electronic igniter (2) and the booster mechanism (5) are respectively connected to both ends of the cylindrical outer shell (1). The fixed fuel (3) is disposed inside the fixed fuel (3), and a combustion channel (4) is provided in the fixed fuel (3) to connect the electronic igniter (2) and the booster mechanism (5). The booster mechanism (5) includes a guide tube (51). The sealing shell (52), the conical booster shell (53), and the adjusting column (54) are connected to the cylindrical shell (1). The guide tube (51) is set inside the cylindrical shell (1) and one end passes through the sealing shell (52) and is connected to the conical booster shell (53). The adjusting column (54) is connected inside the guide tube (51). The guide tube (51) has several holes evenly opened on it. The adjusting column (54) has several injection holes through it.
2. The thrust adjustment device for a UAV rocket booster as described in claim 1, characterized in that: The guide tube (51) has an outer rolled edge (55) at one end near the conical booster shell (53). Several shock-absorbing rods (56) are evenly hinged on the outer rolled edge (55). One end of the shock-absorbing rod (56) is in contact with the sealing shell (52) and the other end is in contact with the conical booster shell (53).
3. The thrust adjustment device for a UAV rocket booster as described in claim 2, characterized in that: A shock-absorbing ring (57) is fitted on the outer wall of the conical booster shell (53), and the shock-absorbing ring (57) is in contact with the shock-absorbing rod (56).
4. The thrust adjustment device for a UAV rocket booster as described in claim 3, characterized in that: The shock absorber ring (57) has a groove for the shock absorber rod (56) to be inserted and positioned.
5. A thrust adjustment device for a UAV rocket booster as described in claim 1 or 4, characterized in that: The sealing shell (52) and the guide tube (51), the guide tube (51) and the conical booster shell (53), and the adjusting column (54) and the guide tube (51) are all connected by threads.