CN214232757U

CN214232757U - Aviation model propeller connecting piece

Info

Publication number: CN214232757U
Application number: CN202021268645.0U
Authority: CN
Inventors: 周明; 王志富; 徐番玲; 梁正中; 李仲伟
Original assignee: Huanxian No4 Middle School
Current assignee: Huanxian No4 Middle School
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-09-21
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses an aeromodel propeller connecting piece in the field of propeller connecting piece devices, which comprises a device body, wherein the device body comprises a connecting piece, a first propeller and a second propeller, the first propeller and the second propeller are both fixed at the top end of the connecting piece, the connecting piece comprises a base, a connecting column, a gasket and a top cap, the top end of the base is provided with an output shaft in a penetrating way, a first gear is welded in the output shaft, a first gear meshing sleeve is arranged in a first screw seat of the first propeller, the top end surface of the first screw seat is provided with a plurality of groups of first threaded holes, the top end surface of the first screw seat is provided with the gasket, the top end surface of the connecting column is fixed with a hollow column, the hollow column is sleeved with a fixed column, the top end of the fixed column is welded and fixed with the bottom of the second screw seat, the aeromodel with large volume is lifted, and the damage caused by single-layer paddles in long-time flight is avoided, reduce the wear consumption between the structure, provide more real flight operation experience for the user.

Description

Aviation model propeller connecting piece

Technical Field

The utility model relates to a screw connecting piece device field specifically is an aeromodelling screw connecting piece.

Background

The aviation model originally acts on the aspects of popularizing aviation knowledge and cultivating aviation science talents, and the aviation model is developed into a very attractive entertainment toy. With the development of science and technology, many professional aviation models are simplified and improved, so that the safety, the simplicity and the interestingness of operation and the playability of the model are more in line with the requirements of toys.

The propeller is one of essential components for the flight of the model airplane, and the propeller of the existing model airplane is not easy to disassemble after being installed, so that the propeller of the model airplane is inconvenient to replace when damaged, and the use experience of a model user is influenced; and the current model pursues true experience pole, often the volume is great, and weight is heavier, and single oar blade can satisfy the flight condition, but is unsuitable for the long-term use of user, uses for a long time, often can lead to wherein the screw connecting piece to appear damaging.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aeromodelling screw connecting piece to provide the inconvenient change of screw and the problem that the unsuitable current model of single oar flies for a long time in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a connecting piece of an aviation model propeller comprises a connecting piece body, wherein the connecting piece body comprises a connecting piece, a first propeller and a second propeller, the first propeller and the second propeller are both fixed at the top end of the connecting piece, the connecting piece comprises a base, a connecting column, a gasket and a top cap, an output shaft penetrates through the top end of the base, a first gear is welded in the output shaft, the first gear is meshed and sleeved in a first spiral seat of the first propeller, a plurality of groups of first threaded holes are formed in the top end surface of the first spiral seat, the gasket is arranged on the top end surface of the first spiral seat, the connecting column is arranged in the gasket, a hollow column is fixed on the top end surface of the connecting column, a fixed column is sleeved in the hollow column, the top end of the fixed column is welded and fixed with the bottom of the second spiral seat, a plurality of groups of second threaded holes are formed in the top end surface of the second spiral seat, the screw rod is fixed in the second threaded hole, the threaded structure is clamped on the surface of the top end of the outer side of the second spiral seat, and the second spiral seat is fixed with the top cap through the threaded structure.

As a further aspect of the present invention: the two sides of the output shaft are fixedly provided with guard plates, the guard plates can fix the sliding rails in the sliding grooves, the first spiral seats are fixed in the guard plates, the paddle structures are fixed to the base, the diameter of the guard plates is larger than that of the first spiral seats, the height of the first gear is the same as that of the first spiral seats, and the first gear is meshed with the first spiral seats to facilitate transmission.

As a further aspect of the present invention: the outer side surface of the bottom end of the connecting column is provided with teeth, the teeth are meshed with the inner wall of the first spiral seat, a cross groove is formed in the connecting column, the teeth transmit the power of the first spiral seat to the connecting column, and the cross groove facilitates the fixing column and the connecting column to be fixed.

As a further aspect of the present invention: the gasket is hard plastic material, just the gasket is cross structure, the through-hole that runs through is seted up to the four corners of gasket, the gasket can slow down the vibration that first paddle and second paddle produced at rotatory in-process, protects structural stability wherein.

As a further aspect of the present invention: the size of the fixed column is matched with the structure of the cross groove in the connecting column, and the fixed column is inserted in the cross groove, so that the fixed column and the connecting column can be conveniently driven.

As a further aspect of the present invention: the both sides of first spiral shell seat are fixed with first paddle, first paddle highly is greater than the height of backplate apart from the height of first spiral shell seat bottom, the both sides of second spiral shell seat are fixed with the second paddle, and double-deck paddle structure facilitates the user and promotes the great aeromodelling of volume, provides the truest flight operation experience for the user.

As a further aspect of the present invention: the inboard bottom of backplate has seted up the retainer plate, the retainer plate internalization is fixed with the slide rail in the first spiral seat bottom outside, retainer plate and slide rail are used for fixed first screw, second screw and connecting piece, avoid when using, the paddle structure drops and causes the damage.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through the double-layer paddle structure of the first screw propeller and the second screw propeller, a user can drive the double-layer paddle to rotate through the output shaft, so as to lift up a large-size aviation model, avoid the damage of the single-layer paddle in long-time flight, reduce the wear consumption between structures, and provide more real flight operation experience for the user;

2. the utility model discloses in, through setting up multiunit threaded rod and screw structure, the user can be through unscrewing the threaded rod on the second spiral seat, can lift the device body off, and the hood on the second spiral seat can protect the threaded rod to avoid the corrosion, and the person of facilitating the use dismantles the change, improves use value, simple structure, convenient to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded schematic view of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic diagram of the structure at B in FIG. 2;

FIG. 5 is a schematic structural view of a connecting member according to the present invention;

FIG. 6 is a schematic structural view of the connecting column of the present invention;

fig. 7 is a schematic structural view of the middle gasket of the present invention.

In the figure: 1. a device body; 2. a connecting member; 21. a base; 211. an output shaft; 212. a guard plate; 213. a first gear; 214. a stationary ring; 22. connecting columns; 221. teeth; 222. a hollow column; 23. a gasket; 231. a through hole; 24. a top cap; 3. a first propeller; 31. a first screw seat; 32. a first blade; 33. a first threaded hole; 34. a slide rail; 4. a second propeller; 41. a second screw seat; 42. a second blade; 43. a second threaded hole; 431. a screw; 44. and (5) fixing the column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 7, in an embodiment of the present invention, an aviation model propeller connecting piece includes a device body 1, the device body 1 includes a connecting piece 2, a first propeller 3 and a second propeller 4, the first propeller 3 and the second propeller 4 are both fixed on a top end of the connecting piece 2, the connecting piece 2 includes a base 21, a connecting post 22, a spacer 23 and a top cap 24, an output shaft 211 is arranged on a top end of the base 21, a first gear 213 is welded in the output shaft 211, the first gear 213 is engaged and sleeved in a first screw seat 31 of the first propeller 3, a plurality of sets of first threaded holes 33 are formed on a top end surface of the first screw seat 31, the spacer 23 is arranged on a top end surface of the first screw seat 31, the connecting post 22 is arranged in the spacer 23, a hollow column 222 is fixed on a top end surface of the connecting post 22, a fixing column 44 is sleeved in the hollow column 222, a top end of the fixing column 44 is welded and fixed to a bottom of the second screw seat 41, the top end surface of the second spiral seat 41 is provided with a plurality of groups of second threaded holes 43, a screw rod 431 is fixed in the second threaded holes 43, the top end surface of the outer side of the second spiral seat 41 is clamped with a threaded structure, and the second spiral seat 41 is fixed with the top cap 24 through the threaded structure.

The two sides of the output shaft 211 are fixed with guard plates 212, the guard plates 212 can fix the slide rail in the slide groove, the first screw seat 31 is fixed in the guard plates 212, the paddle structure is fixed with the base 21, the diameter of the guard plates 212 is larger than that of the first screw seat 31, the height of the first gear 213 is the same as that of the first screw seat 31, and the first gear 213 is meshed with the first screw seat 31, so that transmission is facilitated; the outer side surface of the bottom end of the connecting column 22 is provided with teeth 221, the teeth 221 are meshed with the inner wall of the first spiral seat 31, a cross groove is formed in the connecting column 22, the teeth 221 transmit the power of the first spiral seat 31 to the connecting column 22, and the cross groove facilitates the fixing of the fixing column 44 and the connecting column 22; the gasket 23 is made of hard plastic materials, the gasket 23 is of a cross structure, through holes 231 are formed in four corners of the gasket 23 in a penetrating mode, the gasket 23 can slow down vibration generated by the first paddle 32 and the second paddle 42 in the rotating process, and structural stability is protected.

Finally, the size of the fixing column 44 is matched with the cross groove structure in the connecting column 22, and the fixing column 44 is inserted in the cross groove, so that the fixing column 44 and the connecting column 22 can be conveniently driven; the two sides of the first screw seat 31 are fixed with the first blades 32, the height from the first blades 32 to the bottom end of the first screw seat 31 is greater than that of the guard plate 212, the two sides of the second screw seat 41 are fixed with the second blades 42, and the double-layer blade structure is convenient for a user to lift an aeromodel with a larger volume, so that the most real flight operation experience is provided for the user; the retainer plate has been seted up to the inboard bottom of backplate 212, and the retainer plate internalization is fixed with the slide rail in the first spiral seat 31 bottom outside, and retainer plate and slide rail are used for fixed first screw 3, second screw 4 and connecting piece 2, avoid when using, and the paddle structure drops and causes the damage.

The utility model discloses a theory of operation is: when the utility model is used, a user firstly fixes the slide rail in the fixing groove in the guard plate 212, so that the paddle structure is convenient to rotate and fix, at the moment, the first gear 213 on the output shaft 211 is meshed with the gear in the first spiral seat 31, and because the distance from the first paddle 32 to the first spiral seat 31 is greater than the height of the guard plate 212, the first paddle 32 can not generate collision friction with the guard plate 212 in the rotating process, at the moment, the gasket 23 corresponds to the first threaded hole 33 through the through hole 231, the connecting column 22 is placed in the first spiral seat 31 for internal meshing, the second gasket 23 is placed on the former gasket 23, the fixing position is carried out through the through hole 231, the fixing column 44 is fixed with the cross groove at the top end of the connecting column 22, and finally, the multiple groups of screw rods are fixed in a limiting way through the second threaded groove 431, the through hole 231 and the first threaded groove, the top cap 24 and the second spiral seat 41 are fixed by screw threads, and the fixing can be completed, the output shaft 211 is started, and the output shaft 211 drives the first spiral seat 31 and the second spiral seat 41 to rotate, so that the aviation model is driven to be lifted.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an aeromodelling screw connecting piece, includes device body (1), device body (1) includes connecting piece (2), first screw (3) and second screw (4), the top at connecting piece (2) is all fixed in first screw (3) and second screw (4), its characterized in that: the connecting piece (2) comprises a base (21), a connecting column (22), a gasket (23) and a top cap (24), an output shaft (211) penetrates through the top end of the base (21), a first gear (213) is welded in the output shaft (211), the first gear (213) is meshed and sleeved in a first spiral seat (31) of a first propeller (3), a plurality of groups of first threaded holes (33) are formed in the top end surface of the first spiral seat (31), the gasket (23) is arranged on the top end surface of the first spiral seat (31), the connecting column (22) is arranged in the gasket (23), a hollow column (222) is fixed on the top end surface of the connecting column (22), a fixing column (44) is sleeved in the hollow column (222), the top end of the fixing column (44) is welded and fixed with the bottom of a second spiral seat (41), a plurality of groups of second threaded holes (43) are formed in the top end surface of the second spiral seat (41), a screw rod (431) is fixed in the second threaded hole (43), a threaded structure is clamped on the surface of the top end of the outer side of the second spiral seat (41), and the second spiral seat (41) is fixed with the top cap (24) through the threaded structure.

2. An aeromodel propeller connection as defined in claim 1, wherein: guard plates (212) are fixed on two sides of the output shaft (211), the diameter of each guard plate (212) is larger than that of the first spiral seat (31), and the height of the first gear (213) is the same as that of the first spiral seat (31).

3. An aeromodel propeller connection as defined in claim 1, wherein: the outer side surface of the bottom end of the connecting column (22) is provided with teeth (221), the teeth (221) are meshed with the inner wall of the first spiral seat (31), and a cross groove is formed in the connecting column (22).

4. An aeromodel propeller connection as defined in claim 1, wherein: the gasket (23) is made of hard plastic materials, the gasket (23) is of a cross structure, and through holes (231) which penetrate through the gasket (23) are formed in four corners of the gasket.

5. An aeromodel propeller connection as defined in claim 1, wherein: the size of the fixing column (44) is matched with the cross-shaped groove structure in the connecting column (22).

6. An aeromodel propeller connection as defined in claim 1, wherein: first blades (32) are fixed on two sides of the first spiral seat (31), the height of the first blades (32) from the bottom end of the first spiral seat (31) is larger than that of the guard plate (212), and second blades (42) are fixed on two sides of the second spiral seat (41).

7. An aeromodel propeller connection as defined in claim 2, wherein: the bottom end of the inner side of the guard plate (212) is provided with a fixed ring (215), and a sliding rail (34) on the outer side of the bottom end of the first spiral seat (31) is movably fixed in the fixed ring (215).