CN212548285U

CN212548285U - Ejection machine of model airplane

Info

Publication number: CN212548285U
Application number: CN202020459524.8U
Authority: CN
Inventors: 赵传生
Original assignee: Huai'an Tiandao Technology Innovation Co ltd
Current assignee: Huai'an Tiandao Technology Innovation Co ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2021-02-19
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses an ejector of model airplane, including the ejector shell, the lateral wall runs through and is equipped with the spout around the ejector shell, sliding connection has the slider in the spout, the lower surface of slider is equipped with the rack, the upper surface left part of slider is equipped with the ring, the ring runs through the lateral wall of going up of ejector shell, the ring is hung and is equipped with the model airplane body, the right side wall internal surface upper portion of ejector shell is equipped with first spring holder, the sliding groove internal rotation is connected with rack and the driven gear of driving gear homogeneous phase complex, the slider slides to the right in the spout, compresses compression spring in order to accomplish the power storage process; the device can be triggered by poking the poking pin to eject the model airplane, and the sliding groove ensures that the rack is disengaged from the driven gear when the sliding block slides leftwards, so that the reliability of the device is improved. The device solves the problems in the traditional technology, and has the advantages of simple structure, low cost, and convenient use and popularization.

Description

Ejection machine of model airplane

Technical Field

The utility model relates to a model aeroplane and model ship catapult technical field, concrete field is a model aeroplane and model ship aircraft's catapult.

Background

The model airplane is a general name of various aircraft models, the model airplane can be divided into an ejection type model airplane and a self-powered model airplane, the latter model airplane has higher cost, the former model airplane has low cost and simple structure and is widely popularized, the conventional ejection type model airplane mostly adopts manual ejection, an ejection device is formed by a rubber band and a handle, although the ejection mechanism can achieve the purpose of ejecting the model airplane, the rubber band is easy to generate fatigue fracture, the service life is short, and the waste of resources is caused by frequent replacement of the rubber band; the operator of the ejection type model airplane is low in age, and many children cannot make the rubber band complete the complete force accumulation process, so that the flight effect of the model airplane is not ideal.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an ejection machine of an aeromodelling airplane, which aims to solve the problems that the rubber band proposed in the background technology is easy to generate fatigue fracture, so that the service life is short, and the resource waste is caused by frequent replacement of the rubber band; the operator of the ejection type model airplane is low in age, and many children cannot make the rubber band complete the process of storing force, so that the problem that the flying effect of the model airplane is not ideal is caused.

In order to achieve the above object, the utility model provides a following technical scheme: an ejector of an aeromodelling airplane comprises an ejector shell, wherein a storage battery is arranged in the ejector shell, sliding grooves are formed in the front side wall and the rear side wall of the ejector shell in a penetrating manner, a sliding block is connected in the sliding grooves in a sliding manner, a rack is arranged on the lower surface of the sliding block, a ring is arranged on the left portion of the upper surface of the sliding block and penetrates through the upper side wall of the ejector shell, an aeromodelling body is hung in the ring, a first spring seat is arranged on the upper portion of the inner surface of the right side wall of the ejector shell, a compression spring is arranged between the first spring seat and the right surface of the sliding block, a wedge block is arranged on the lower side wall of the right portion of the sliding block, a poking pin matched with the wedge block is hinged between the front side wall and the rear side wall of the ejector shell, the poking pin penetrates through the lower side wall of the ejector shell, a second, a reset spring is arranged between the second spring seat and the third spring seat, a motor is arranged in the ejector shell, the output end of the motor is connected with a driving gear, sliding grooves are formed in the front side wall and the rear side wall of the ejector shell in a penetrating mode, and driven gears matched with the racks and the driving gear are rotationally connected in the sliding grooves.

Preferably, the lower surface of the right part of the ejector shell is hinged with one end of a battery cover, and the other end of the battery cover is provided with a buckle.

Preferably, the right part of the upper surface of the ejector shell is rotatably connected with a plurality of rollers.

Preferably, the front side wall of the sliding chute is provided with a cushion pad.

Preferably, the ejector shell is an engineering plastic shell.

Preferably, the ejector housing comprises a first housing and a second housing connected by a bolt.

Preferably, the sliding groove forms an angle of 45 degrees with the horizontal direction.

Compared with the prior art, the beneficial effects of the utility model are that: the rotation of a motor is converted into the horizontal movement of a rack to the right through each transmission mechanism, so that a sliding block is driven to slide to the right in a sliding groove, and a compression spring is compressed to finish the force storage process; the device can be triggered by poking the poking pin to eject the model airplane, and the sliding groove ensures that the rack is disengaged from the driven gear when the sliding block slides leftwards, so that the reliability of the device is improved. The device solves the problems in the traditional technology, and has the advantages of simple structure, low cost, and convenient use and popularization.

Drawings

FIG. 1 is a schematic front view of the toggle pin of the present invention when not triggered;

FIG. 2 is a schematic front view of the utility model after the toggle pin is triggered;

FIG. 3 is a schematic cross-sectional view of FIG. 1 according to the present invention;

fig. 4 is a schematic cross-sectional structure view of fig. 2 according to the present invention.

In the figure: the device comprises a catapult shell 1, a storage battery 2, a sliding chute 3, a sliding block 4, a rack 5, a circular ring 6, a model airplane body 7, a first spring seat 8, a compression spring 9, a wedge block 10, a toggle pin 11, a second spring seat 12, a third spring seat 13, a reset spring 14, a motor 15, a driving gear 16, a sliding chute 17, a driven gear 18, a battery cover 19 and a roller 20.

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. 1-4, the present invention provides a technical solution of an ejector for an airplane model: an ejector of a model airplane comprises an ejector shell 1, a switch is arranged outside the ejector shell 1, the switch position is in accordance with ergonomics and can be flexibly selected by related personnel, a storage battery 2 is arranged inside the ejector shell 1, a sliding chute 3 is arranged on the front side wall and the rear side wall of the ejector shell 1 in a penetrating way, a wear-resistant layer is arranged on the inner wall of the sliding chute 3 to increase the wear-resistant performance of the ejector, a sliding block 4 is connected in the sliding chute 3 in a sliding way, a rack 5 is arranged on the lower surface of the sliding block 4, the sliding block and the rack are fixedly connected and can be integrally formed, a circular ring 6 is arranged on the left part of the upper surface of the sliding block 4, the circular ring and the rack are fixedly connected and can be integrally formed, the circular ring 6 penetrates through the upper side wall of the ejector shell 1, a through groove which is suitable for the stroke of the circular ring 6 is arranged at, the ejection pin 11 penetrates through the lower side wall of the ejection machine shell 1, a second spring seat 12 is arranged at the right part of the ejection pin 11 and is integrally formed, a third spring seat 13 is arranged inside the ejection machine shell 1 and is integrally formed, a return spring 14 is arranged between the second spring seat 12 and the third spring seat 13, a motor 15 is arranged in the ejection machine shell 1, the motor 15 is electrically connected with a switch and a storage battery 2 in series, the three are connected in series, the switch is pressed, and the anticlockwise output shaft of the motor 15 can be controlled to rotate, the output end of the motor 15 is connected with a driving gear 16, the front side wall and the rear side wall of the catapult shell 1 are provided with a sliding groove 17 in a penetrating way, a driven gear 18 matched with the rack 5 and the driving gear 16 is connected in the sliding groove 17 in a rotating way, and a larger transmission ratio is required between the driving gear 16 and the driven gear 18.

Specifically, the lower surface of the right portion of the ejector housing 1 is hinged to one end of a battery cover 19, and the other end of the battery cover 19 is provided with a buckle, which is understood as a prior art means and not described herein, and the storage battery 2 can be removed for charging.

Specifically, the right part of the upper surface of the ejector shell 1 is rotatably connected with a plurality of rollers 20, and the rollers 20 are additionally arranged to reduce the friction coefficient between the model airplane body 7 and the ejector shell 1 and reduce the energy loss in the ejection process.

Specifically, the front side wall of the sliding chute 3 is provided with a buffer pad for buffering the impact of the sliding block 4 on the front side wall of the sliding chute 3, reducing noise and prolonging the service life of the device.

Specifically, the catapult shell 1 is an engineering plastic shell, and the engineering plastic has the characteristics of good heat resistance and cold resistance, good corrosion resistance, easy processing, good dimensional stability and relatively low density, so that the catapult shell is selected.

Specifically, the ejector case 1 includes a first case and a second case connected by bolts, which can reduce the manufacturing cost of the entire device and facilitate assembly and maintenance thereof.

Particularly, the included angle between the sliding groove 17 and the horizontal direction is 45 degrees, and the included angle of 45 degrees is adopted, so that when the sliding block 4 moves leftwards, the driven gear 16 is disengaged from the rack 5, and the running reliability of the device is improved.

The working principle is as follows: when the utility model is used, the motor 15 drives the driving gear 16 to rotate anticlockwise according to the switch, the driving gear 16 is meshed with the driven gear 18, the driven gear 18 is subjected to stress analysis, the stress direction of the driving gear is upward along the meshing surface, therefore, the driven gear 18 moves in the sliding groove 17 to the upper right direction and is meshed with the rack 5, the driving slider 4 slides to the right in the sliding groove 3 to compress the compression spring 9, the mechanical energy of the motor 15 is converted into the elastic potential energy of the compression spring 9, after an operator hears or feels the wedge block 10 is matched with the poking pin 11, the switch can be stopped being pressed, then the motor stops rotating, the ejection barb part of the model body 7 is hooked in the circular ring 6, the poking pin 11 is poked, the elastic potential energy of the compression spring 9 can be released, the slider 4 is pushed to slide to the left in the sliding groove 3, the driven gear 18 is still meshed with the rack 5, the stress analysis shows that the stress direction of the driven gear 18 is downward along the meshing surface, so that the driven gear 18 slides in the sliding groove 17 in the left-downward direction and is disengaged from the rack 5, the rack 5 does not need to drive the driven gear 18 to rotate, and the model airplane body 7 can finish high-speed ejection.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An ejector of model airplane aircraft, includes ejector casing (1), its characterized in that: the catapult is characterized in that a storage battery (2) is arranged in the catapult shell (1), a sliding groove (3) penetrates through the front side wall and the rear side wall of the catapult shell (1), a sliding block (4) is connected in the sliding groove (3) in a sliding manner, a rack (5) is arranged on the lower surface of the sliding block (4), a circular ring (6) is arranged on the left portion of the upper surface of the sliding block (4), the circular ring (6) penetrates through the upper side wall of the catapult shell (1), a model airplane body (7) is hung in the circular ring (6), a first spring seat (8) is arranged on the upper portion of the inner surface of the right side wall of the catapult shell (1), a compression spring (9) is arranged between the first spring seat (8) and the right surface of the sliding block (4), a wedge block (10) is arranged on the lower right side wall of the sliding block (4), and a shifting pin, dial round pin (11) and run through the lower lateral wall of catapult casing (1), the right part of dialling round pin (11) is equipped with second spring holder (12), the inside of catapult casing (1) is equipped with third spring holder (13), second spring holder (12) with be equipped with reset spring (14) between third spring holder (13), be equipped with motor (15) in the catapult casing (1), the output of motor (15) is connected with driving gear (16), the front and back lateral wall of catapult casing (1) runs through and is equipped with sliding groove (17), sliding groove (17) internal rotation be connected with rack (5) with driving gear (16) homogeneous phase complex driven gear (18).

2. The ejector for an aircraft model airplane as claimed in claim 1, wherein: the lower surface of the right part of the ejector shell (1) is hinged with one end of a battery cover (19), and the other end of the battery cover (19) is provided with a buckle.

3. The ejector for an aircraft model airplane as claimed in claim 1, wherein: the right part of the upper surface of the ejector shell (1) is rotatably connected with a plurality of rollers (20).

4. The ejector for an aircraft model airplane as claimed in claim 1, wherein: the front side wall of the sliding groove (3) is provided with a cushion pad.

5. The ejector for an aircraft model airplane as claimed in claim 1, wherein: the ejector shell (1) is an engineering plastic shell.

6. The ejector for an aircraft model airplane as claimed in claim 1, wherein: the ejector shell (1) comprises a first shell and a second shell which are connected through bolts.

7. The ejector for an aircraft model airplane as claimed in claim 1, wherein: the sliding groove (17) forms an included angle of 45 degrees with the horizontal direction.