Model helicopter fuselage frame

Abstract

The utility model discloses a fuselage frame of an aeromodelling helicopter, and particularly relates to the field of aeromodelling helicopters, the fuselage frame comprises a main frame, a battery compartment and an undercarriage, the side end face of the main frame is provided with a first limiting connecting column, the bottom end face of the main frame is provided with a second limiting connecting column, and the side end face of the battery compartment is provided with a first limiting connecting sleeve; a transmission shaft penetrates through the upper end face of the main rack. In the prior art, a support used for installing a battery, an undercarriage used for installing and supporting and a support used for installing a rotor wing are fixedly connected, and when a certain part is damaged, the whole device needs to be replaced, so that the whole device cannot be replaced. By means of the device, a support used for installing a battery, an undercarriage used for installing and supporting and a support used for installing a rotor wing can be independently replaced and maintained, so that the production cost is reduced, meanwhile, the production cost of a manufacturing mold can be reduced, the main machine frame is universal, and therefore the structure is convenient to use and high in adaptability.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of model helicopter, more specifically, the utility model relates to a model helicopter fuselage frame. BACKGROUND

[0002] The model helicopter fuselage frame is an important component of the model helicopter, which is a framework connecting various components and a supporting structure of the wings and tail, and the design of the fuselage frame has an important influence on the overall performance of the model, and the shape, material and weight of the fuselage frame will directly affect the flight stability, maneuverability and structural strength of the model, and the designer will usually select appropriate materials such as wood and carbon fiber to build the fuselage according to the load and flight characteristics of the fuselage.

[0003] For example, the utility model No. CN207055958U discloses a multipurpose search and rescue helicopter model, which can timely understand the detailed situation of the area where the helicopter model is located, make accurate judgments according to the on-site situation, realize the safe control of the helicopter model outside the line of sight, efficiently complete the search and rescue task, keep the fuselage balanced at all times, fly stably, rescue on-site personnel and transport materials away from the scene, and avoid personnel and property losses. In the prior art, the bracket for installing the battery, the landing gear for installing the support and the bracket for installing the rotor are fixedly connected during the manufacture of the bracket for the helicopter, and the entire bracket needs to be replaced when damage occurs, which increases the production cost.

[0004] Therefore, the model helicopter fuselage frame is provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a model helicopter fuselage frame to solve the problems in the above background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a model helicopter fuselage frame, comprising a main frame, a battery compartment and a landing gear, the side end face of the main frame is provided with a first limiting connecting column, the bottom end face of the main frame is provided with a second limiting connecting column, the side end face of the battery compartment is provided with a first limiting connecting sleeve, the upper end face of the landing gear is provided with a second limiting connecting sleeve, the main frame is limitedly connected with the first limiting connecting sleeve of the side end face of the battery compartment through the first limiting connecting column, the main frame is limitedly connected with the second limiting connecting sleeve of the upper end face of the landing gear through the second limiting connecting column, the upper end face of the main frame is provided with a transmission shaft in penetration, and one end of the transmission shaft is provided with a main frame connecting frame.

[0007] Preferably, the upper end face of the main frame is provided with a plurality of groups of connecting holes, and the upper end face and the side end face of the battery compartment are provided with heat dissipation holes.

[0008] Preferably, the side end face of the main frame is provided with a first shell limiting hole, and the upper end face and the side end face of the battery compartment are both provided with a second shell limiting hole.

[0009] Preferably, the main frame and the first limiting connection sleeve of the side end face of the battery compartment form a buckling limiting connection structure through a first limiting connection column, and the main frame and the second limiting connection sleeve of the upper end face of the landing gear form a buckling limiting connection structure through a second limiting connection column.

[0010] The technical effects and advantages of the utility model are as follows:

[0011] Compared with the prior art, the model helicopter fuselage frame in use is fixedly connected between the bracket for mounting the battery, the landing gear for mounting the support and the bracket for mounting the rotor, when a part is damaged, the whole device needs to be replaced, but the bracket for mounting the battery, the landing gear for mounting the support and the bracket for mounting the rotor can be individually replaced and repaired through the device, thereby reducing the production cost, and the main frame is universal, thereby making the structure convenient to use and strong in adaptability.

[0012] Compared with the prior art, the model helicopter fuselage frame in use is fixedly connected between the bracket for mounting the battery, the landing gear for mounting the support and the bracket for mounting the rotor, when a part is damaged, the whole device needs to be replaced, but the bracket for mounting the battery, the landing gear for mounting the support and the bracket for mounting the rotor can be individually replaced and repaired through the device, thereby reducing the production cost, and the main frame is universal, thereby making the structure convenient to use and strong in adaptability. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is an explosion structure schematic view of the utility model.

[0014] Figure 2 It is a three-dimensional structure schematic view of the utility model.

[0015] Figure 3This is a schematic diagram of the three-dimensional structure of the main frame of this utility model.

[0016] Figure 4 This is a three-dimensional structural diagram of the battery compartment of this utility model.

[0017] Figure 5 This is a three-dimensional structural diagram of the landing gear of this utility model.

[0018] Figure 6 This is a front view structural diagram of the present utility model.

[0019] The attached figures are labeled as follows: 1. Main frame; 11. First limiting connecting post; 12. Second limiting connecting post; 13. Drive shaft; 14. Main frame connecting frame; 2. Battery compartment; 21. First limiting connecting sleeve; 3. Landing gear; 31. Second limiting connecting sleeve; 4. Connecting hole; 5. Heat dissipation hole; 6. First housing limiting hole; 7. Second housing limiting hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example

[0022] As attached Figures 1 to 6 The diagram shows a model helicopter fuselage, including a main frame 1, a battery compartment 2, and landing gear 3. A first limiting connecting post 11 is provided on the side end face of the main frame 1, and a second limiting connecting post 12 is provided on the bottom end face of the main frame 1. A first limiting connecting sleeve 21 is provided on the side end face of the battery compartment 2, and a second limiting connecting sleeve 31 is provided on the upper end face of the landing gear 3. The main frame 1 is limited and connected to the first limiting connecting sleeve 21 on the side end face of the battery compartment 2 via the first limiting connecting post 11, and to the second limiting connecting sleeve 31 on the upper end face of the landing gear 3 via the second limiting connecting post 12. The upper end face of the main frame 1 extends through... A drive shaft 13 is provided, and a main unit connecting frame 14 is provided at one end of the drive shaft 13. Several sets of connecting holes 4 are provided on the upper end face of the main unit frame 1. Heat dissipation holes 5 are provided on the upper end face and the side end face of the battery compartment 2. A first housing limiting hole 6 is provided on the side end face of the main unit frame 1. A second housing limiting hole 7 is provided on the upper end face and the side end face of the battery compartment 2. The main unit frame 1 forms a fastening limiting connection structure with the first limiting connecting sleeve 21 on the side end face of the battery compartment 2 through the first limiting connecting post 11. The main unit frame 1 forms a fastening limiting connection structure with the second limiting connecting sleeve 31 on the upper end face of the landing gear 3 through the second limiting connecting post 12.

[0023] The utility model discloses a work process as follows: this device host frame 1 utilizes first limit connection column 11 and the first limit connection sleeve 21 of battery compartment 2 side end face constitute the buckling limit connection structure, and host frame 1 utilizes second limit connection column 12 and the second limit connection sleeve 31 of landing gear 3 upper end face constitute the buckling limit connection structure, and the host frame 1, battery compartment 2 and landing gear 3 are connected between convenient, when the host frame 1, battery compartment 2 and landing gear 3 between the damage of a certain part, the replacement of individual part can be, and the side end face of host frame 1 is provided with first casing limit hole 6, and the upper end face and side end face of battery compartment 2 are provided with second casing limit hole 7, and the connection of helicopter shell is convenient, and the upper end face of host frame 1 is provided with a plurality of groups of connecting hole 4, and the fixed connection drive equipment is convenient, and the upper end face and side end face of battery compartment 2 are provided with heat dissipation hole 5, and the heat dissipation of battery body is convenient, when a certain part is damaged, the host frame 1, battery compartment 2 and landing gear 3 can be individually replaced and maintained.

Claims

1. A model helicopter body frame comprising a main frame (1), a battery compartment (2) and a landing gear (3), characterized in that: The side end face of the main rack (1) is provided with a first limiting connecting column (11), and the bottom end face of the main rack (1) is provided with a second limiting connecting column (12), the side end face of the battery compartment (2) is provided with a first limiting connecting sleeve (21), the upper end face of the landing gear (3) is provided with a second limiting connecting sleeve (31), the main rack (1) is limited and connected with the first limiting connecting sleeve (21) of the side end face of the battery compartment (2) through the first limiting connecting column (11), the main rack (1) is limited and connected with the second limiting connecting sleeve (31) of the upper end face of the landing gear (3) through the second limiting connecting column (12), the upper end face of the main rack (1) is provided with a transmission shaft (13) penetratingly, and one end of the transmission shaft (13) is provided with a main machine connecting frame (14).

2. A model helicopter body mount according to claim 1, wherein: The upper end face of the main rack (1) is provided with a plurality of groups of connecting holes (4), and the upper end face and the side end face of the battery compartment (2) are provided with heat dissipation holes (5).

3. A model helicopter body mount according to claim 1, wherein: The side end face of the main rack (1) is provided with a first shell limiting hole (6), and the upper end face and the side end face of the battery compartment (2) are provided with a second shell limiting hole (7).

4. A model helicopter body mount according to claim 1, wherein: The main rack (1) and the battery compartment (2) side end face first limiting connecting sleeve (21) constitute a buckling limiting connection structure through the first limiting connecting column (11), and the main rack (1) and the landing gear (3) upper end face second limiting connecting sleeve (31) constitute a buckling limiting connection structure through the second limiting connecting column (12).

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