Model airplane
By installing propellers on the model aircraft and connecting the rubber parts and limit parts, the problem of insufficient power of the model aircraft without propellers is solved, and better endurance and flight stability are achieved.
Patent Information
- Application Number
- CN202421736805.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-22
AI Technical Summary
Existing model aircraft without propellers are insufficient power during flight, easy to fall, and have poor continuous flight performance.
A model aircraft with propellers is designed. The front end of the frame is equipped with a propeller. The rotation axis of the propeller extends backward and is equipped with a front hook. A rear hook is fixed in the middle of the frame. The front hook and the rear hook are connected by a rubber piece. The limiting piece is used to limit the front hook.
By adding propellers, the power output and endurance of model aircraft are improved, and the flight is more stable, which significantly improves the flight experience of model aircraft enthusiasts.
Smart Images
Figure CN222998262U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of model airplanes, and particularly relates to a model airplane. Background Art
[0002] The nose parts of existing model airplanes are divided into two types: with a propeller and without a propeller. Among them, the model airplanes without a propeller often lack power during flight and are prone to falling. In comparison, the model airplanes with a propeller have better continuous flight performance. Content of the Utility Model
[0003] For this reason, the utility model provides a model airplane to solve the above problems in the prior art. To achieve the above object, the utility model provides the following technical solutions: According to the first aspect of the utility model, a model airplane includes a frame, wings, a horizontal tail fin, and a vertical tail fin. Wings are respectively installed at the middle part and the tail end of the frame, the horizontal tail fin and the vertical tail fin. A propeller is rotatably connected to the front end of the frame, the rotating shaft of the propeller extends backward and is provided with a front hook, and a rear hook is fixed at the middle part of the frame. The front hook and the rear hook are connected by an elastic member.
[0004] Further, a limiting member is also included. The limiting member is installed at the position behind the propeller at the front end of the frame, and the limiting member is used to limit the front hook.
[0005] Further, an arc-shaped notch is recessed on the side surface of the limiting member, and the straight rod section of the front hook abuts against the arc-shaped notch.
[0006] Further, the horizontal tail fin is snap-fitted and installed on the frame through snap-fasteners A and B at the tail of the frame.
[0007] Further, both snap-fasteners A and B are in the shape of a square tube structure, and snap-fasteners A and B are simultaneously sleeved on the tail end of the frame.
[0008] Further, the connection line of snap-fasteners A and B is located on the central symmetry line of the horizontal tail fin.
[0009] Further, the frame is in a rod-shaped structure.
[0010] Further, the wings are in a V-shaped structure.
[0011] Further, a rudder is also provided on the vertical tail fin.
[0012] Further, a front hook and a rear hook are sequentially arranged on the upper edge of the frame from front to back. The wings are located between the front hook and the rear hook. The front end of the elastic ring is hooked on the front hook, and the rear end is hooked on the rear hook, thereby pressing the wings on the frame.
[0013] The utility model has the following advantages: A model airplane of the utility model has a simple structure, long endurance, stable flight, and low cost, significantly improving the flight experience of model airplane enthusiasts. Description of the Drawings
[0014] Figure 1 A three-dimensional structure diagram of a model airplane provided for some embodiments of the utility model.
[0015] Figure 2 A front view of a model airplane provided for some embodiments of the utility model.
[0016] Figure 3 A bottom view of a model airplane provided for some embodiments of the utility model.
[0017] Figure 4 A top view of a model airplane provided for some embodiments of the utility model.
[0018] Figure 5 A side view of a model airplane provided for some embodiments of the utility model.
[0019] In the figure, 1 is the frame, 2 is the wing, 3 is the horizontal stabilizer, 4 is the vertical stabilizer, 5 is the propeller, 6 is the front hook, 7 is the rubber band member, 8 is the rear hook, 9 is the limiting member, 10 is the buckle A, 11 is the buckle B, 12 is the front pulling hook, and 13 is the rear pulling hook. Detailed Embodiments
[0020] The following specific embodiments illustrate the implementation manners of the utility model. Those skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all of them. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the utility model.
[0021] Embodiment 1
[0022] As Figures 1 to 5 shown, a model airplane in the first aspect embodiment of the utility model includes a frame 1, a wing 2, a horizontal stabilizer 3, and a vertical stabilizer 4. The wing 2 is installed at the middle and the tail end of the frame 1 respectively, the horizontal stabilizer 3 and the vertical stabilizer 4. The propeller 5 is rotatably connected to the front end of the frame 1. The rotating shaft of the propeller 5 extends backward and is provided with a front hook 6. A rear hook 8 is fixed at the middle of the frame 1. The front hook 6 and the rear hook 8 are connected by a rubber band member 7.
[0023] In the above embodiments, it should be noted that during use, the propeller 5 is rotated to drive the rubber band member 7 to be pre-tightened through the front hook 6. After release, the propeller 5 rotates at high speed under the release of the tension of the rubber band member 7.
[0024] The technical effects achieved by the above embodiments are as follows: Through a model airplane of this embodiment, the structure is simple, the endurance is long-lasting, the flight is stable, the cost is low, and the flight experience of model airplane enthusiasts is significantly improved.
[0025] Embodiment 2
[0026] As Figures 1 to 5 shown, a model airplane includes all the contents of Embodiment 1. In addition, it further includes a limiting member 9, and the limiting member 9 is installed at the position behind the propeller 5 at the front end of the frame 1, and the limiting member 9 is used to limit the front hook 6.
[0027] Optionally, a concave arc-shaped notch is formed on the side surface of the limiting member 9, and the straight rod section of the front hook 6 abuts against the arc-shaped notch.
[0028] The technical effects achieved by the above embodiments are as follows: By providing the limiting member 9, good limitation of the front hook 6 is achieved.
[0029] Embodiment 3
[0030] As Figures 1 to 5 shown, a model airplane includes all the contents of Embodiment 2. In addition, the horizontal tail fin 3 is detachably installed on the frame 1 through a buckle A10 and a buckle B11 at the tail of the frame 1.
[0031] Optionally, both the buckle A10 and the buckle B11 are in the shape of a square tube structure, and the buckle A10 and the buckle B11 are simultaneously sleeved on the tail end of the frame 1.
[0032] Optionally, the connection line of the buckle A10 and the buckle B11 is located on the central symmetry line of the horizontal tail fin 3.
[0033] The technical effects achieved by the above embodiments are as follows: The settings of the buckle A10 and the buckle B11 ensure the installation accuracy of the horizontal tail fin 3.
[0034] Embodiment 4
[0035] As Figures 1 to 5 shown, a model airplane includes all the contents of Embodiment 3. In addition, the frame 1 is in a rod-shaped structure.
[0036] Optionally, the wing 2 is in a V-shaped structure.
[0037] The technical effects achieved by the above embodiments are as follows: With the frame 1 being in a rod-shaped structure, the installation is convenient and the processing cost is low; with the wing 2 being in a V-shaped structure, the flight stability is relatively good.
[0038] Embodiment 5
[0039] As Figures 1 to 5 shown, a model airplane includes all the contents of Embodiment 4. In addition, a rudder is provided on the vertical tail 4. The technical effect achieved by the above embodiment is that the rudder realizes the adjustment of the direction.
[0040] Optionally, a front hook 12 and a rear hook 13 are sequentially arranged on the upper edge of the frame 1 from front to back. The wing 2 is located between the front hook 12 and the rear hook 13. The front end of the rubber band is hung on the front hook 12, and the rear end is hung on the rear hook 13, thereby pressing the wing 2 on the frame 1.
[0041] The technical effect achieved by the above embodiment is that relying on the rear hook 13 behind the wing platform and binding the wing 2 with a rubber band, when the airplane collides and the wing 2 pops out protectively and separates from the fuselage, the rubber band is not easily lost.
[0042] In the description of the present invention, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.
[0043] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically and clearly defined.
[0044] In the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
[0045] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc., mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.
[0046] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.
[0047] In the description of this specification, the descriptions referring to terms such as "the first embodiment", "the second embodiment", "example", "specific example", or "some examples", etc., mean that the specific methods, devices, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, methods, devices, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.
[0048] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. A model airplane, comprising a frame (1), wings (2), a horizontal tail (3) and a vertical tail (4), wherein the wings (2), the horizontal tail (3) and the vertical tail (4) are respectively installed at the middle and the tail end of the frame (1), characterized in that: The propeller (5) is rotatably connected to the front end of the frame (1); the rotating shaft of the propeller (5) extends backward and is provided with a front hook (6); a rear hook (8) is fixed to the middle of the frame (1); the front hook (6) and the rear hook (8) are connected via a rubber band (7).
2. The model aircraft according to claim 1, characterized in that: It also includes a limiting member (9), which is installed at the rear of the propeller (5) at the front end of the frame (1), and the limiting member (9) is used to limit the front hook (6).
3. The model aircraft according to claim 2, characterized in that: A concave arc-shaped notch is provided on the side of the limiting member (9), and the straight rod section of the front hook (6) abuts against the arc-shaped notch.
4. The model aircraft according to claim 1, characterized in that: The horizontal tail (3) is mounted on the frame (1) by means of a clip A (10) and a clip B (11) at the rear of the frame (1).
5. The model aircraft according to claim 4, characterized in that: The buckle A (10) and the buckle B (11) are both square-shaped sleeve structures, and the buckle A (10) and the buckle B (11) are simultaneously sleeved on the rear end of the frame (1).
6. The model aircraft according to claim 5, characterized in that: The connecting line of the buckle A (10) and the buckle B (11) is located on the central symmetry line of the horizontal tail (3).
7. The model aircraft according to claim 1, characterized in that: The frame (1) is a rod-shaped structure.
8. The model aircraft according to claim 1, characterized in that: The wing (2) is a V-shaped structure.
9. The model aircraft according to claim 1, characterized in that: A rudder is also provided on the vertical tail (4).
10. The model aircraft according to claim 1, characterized in that: The upper edge of the frame (1) is provided with a front hook (12) and a rear hook (13) in sequence from front to rear, the wing (2) is located between the front hook (12) and the rear hook (13), the front end of the elastic band is hooked on the front hook (12), and the rear end is hooked on the rear hook (13), so that the wing (2) is pressed onto the frame (1).