US20070178798A1 - Model helicopter - Google Patents
Model helicopter Download PDFInfo
- Publication number
- US20070178798A1 US20070178798A1 US11/340,457 US34045706A US2007178798A1 US 20070178798 A1 US20070178798 A1 US 20070178798A1 US 34045706 A US34045706 A US 34045706A US 2007178798 A1 US2007178798 A1 US 2007178798A1
- Authority
- US
- United States
- Prior art keywords
- tail pipe
- main body
- model helicopter
- base
- connecting portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H27/00—Toy aircraft; Other flying toys
- A63H27/12—Helicopters ; Flying tops
Definitions
- the present invention relates to an improved model helicopter, and more particularly to an improved model helicopter having an easily detachable tail pipe connecting base.
- the structure includes two corresponding casings 7 engaged with each other, and the two casings 7 are engaged with each other by a plurality of screws 8 , and the two casings 7 include a rotor transmission mechanism (not shown in the figure) of the model helicopter, a servo base 9 , a control cantilever 91 , an elevation control base 92 (since the two casings includes many components that are not related to the present invention, therefore only the related components are shown in the figure for illustrations), and the two casings separately include pivotal bases 71 that can be engaged with each other and pivotally connected to a tail rotor transmission module 93 .
- the tail rotor transmission module 93 will be damaged easily, if the model helicopter is fallen down accidentally. If a user wants to repair the tail rotor transmission module 93 , it is necessary to remove the two casings 7 first and then loosen the plurality of secured screws 8 one by one before the user can repair or replace the tail rotor transmission module 93 . Such arrangement causes inconvenience to the user. Furthermore, the user has to reinstall the two casings 7 and secure the screws back to their original positions after the repair is made, and thus the design causes tremendous inconvenience and waste time for the maintenance and repair.
- the primary objective of the present invention is to overcome the aforementioned shortcomings by providing an improved model helicopter, wherein a main body for containing a rotor transmission mechanism of the model helicopter and a tail pipe connecting base are detachably connected with each other, such that if the tail rotor transmission module installed at the tail pipe connecting base is damaged, users can remove the tail pipe connecting base directly to facilitate the maintenance, repair, or replacement of the tail rotor transmission module.
- the improved model helicopter of the invention comprises:
- main body having a containing space for installing a rotor transmission mechanism of a model helicopter, and a connecting track transversally disposed at the main body;
- a tail pipe connecting base having a positioning groove for connecting a tail pipe of the model helicopter, a pivotal base disposed at an end without the positioning groove, and at least one pressing surface pressing against the connecting track of the main body and detachably connecting the connecting track of the main body to produce a relative pivotal rotation between the tail pipe connecting base and the main body;
- a transmission module pivotally coupled to the pivotal base of the tail pipe connecting base, and having a first transmission portion disposed at an end of the transmission module and linked with the rotor transmission mechanism, and another end of the transmission module having a second transmission portion.
- FIG. 1 is a perspective view of a model helicopter adopting a tail pipe connecting base according to the present invention
- FIG. 2 is a perspective view of a tail pipe connecting base connected with a tail pipe according to the present invention
- FIG. 3 is a schematic view of a tail pipe connecting base according to the present invention.
- FIG. 4 is an exploded view of a main body according to the present invention.
- FIG. 5 is a schematic view of the structure of a tail pipe connecting base according to the present invention.
- FIG. 6 is a schematic view of the structure of a tail pipe connecting base connected with a tail pipe according to the present invention.
- FIG. 7 is an exploded view of a casing of a prior art model helicopter.
- FIGS. 1 to 6 the structure according to a preferred embodiment of the present invention is used for illustrations only, but not intended to limit the scope of the present invention.
- FIG. 1 a perspective view of a model helicopter adopting a tail pipe connecting base according to the present invention is shown, and the structure of the model helicopter includes a main body 1 , a rotor transmission mechanism 2 , a rotor 3 , a tail pipe connecting base 4 , and a tail pipe 5 .
- the main body 1 of the embodiment is formed integrally, and the main body 1 has a containing space 11 for installing the rotor transmission mechanism 2 of the model helicopter and a containing track 12 transversally disposed on the main body 1 . It is worth pointing out that the main body 1 could be made by engaging two side panels.
- the tail pipe connecting base 4 includes a positioning groove 41 for connecting the tail pipe 5 of the model helicopter, and the tail pipe connecting base 4 has a pivotal base 42 disposed at an end without the positioning groove 41 .
- the connecting track 12 of the main body 1 is corresponsive with an external periphery of the tail pipe connecting base 4 for fixing the tail pipe connecting base 4 into its position, and the top of the tail pipe connecting base 4 has a pressing surface 45 for pressing against the connecting track 12 of the main body 1 and being detachably coupled to the connecting track 12 of the main body 1 and preventing corresponding pivotal rotations between the tail pipe connecting base 4 and the main body 1 .
- the tail pipe connecting base 4 and the main body 1 separately have screw holes 13 , 40 for fixing both of the tail pipe connecting base 4 and the main body 1 into their positions by screws 131 , so that when a user wants to conduct a maintenance or repair, the screws are loosened to separate the tail pipe connecting base 4 and the main body 1 directly.
- the maintenance and repair are very convenient and can save the troubles caused by the removal and reinstallation of the parts of the model helicopter.
- the pivotal base 42 includes a first connecting portion 421 integrally connected to the positioning groove 41 and a second connecting portion 422 corresponding to the first connecting portion 421 , and the first connecting portion 421 and the second connecting portion 422 are detachably combined with each other, and the first connecting portion 421 and the second connecting portion 422 respectively have two pivotal grooves 423 facing with each other, so that the first connecting portion 421 and the pivotal groove 423 of the second connecting portion 422 are engaged to pivotally couple the transmission module 43 at an area formed by the two pivotal grooves 423 .
- the tail pipe connecting base 4 includes a slot 411 extended longitudinally along the positioning groove 41 , and the tail pipe connecting base 4 includes an adjusting hole separately disposed on both sides of the slot 411 for adjusting the screw 441 to change the size of the positioning groove 41 , so that the tail pipe 5 and the positioning groove 41 can be combined closely.
- the tail pipe connecting base 4 is pivotally coupled to the transmission module 43
- the transmission module 43 of this preferred embodiment is a tail rotor transmission module pivotally coupled to the pivotal base 42 of the tail pipe connecting base 4
- an end of the transmission module 43 includes a first transmission portion 431 linked to the rotor transmission mechanism 2 and another end of the transmission module 43 includes a second transmission portion 432 .
- the first connecting portion 421 and the second connecting portion 422 separately include corresponding fixing holes 424 to be fixed by screws 425 , such that after a user removes the main body 1 and the tail pipe connecting base 4 , the first connecting portion 421 and the second connecting portion 422 can be separated directly for maintaining, repairing, or replacing the transmission module 43 . Therefore, the invention not only provides a convenient and quick detachable structure of a tail pipe 5 , but also saves the time for removing and reinstalling the tail pipe 5 and the tail rotor transmission module.
Abstract
An improved model helicopter includes a main body and a tail pipe connecting base, and the main body has a containing space for containing a rotor transmission mechanism of a model helicopter and a connecting track transversally disposed on the main body, and the tail pipe connecting base is connected to a tail pipe, and a transmission module is pivotally connected to an end of the pipe connecting base without the tail pipe, and the tail pipe connecting base is detachably installed into the connecting track of the main body.
Description
- 1. Field of the Invention
- The present invention relates to an improved model helicopter, and more particularly to an improved model helicopter having an easily detachable tail pipe connecting base.
- 2. Description of the Related Art
- Referring to
FIG. 7 for the helicopter casing structure of a prior art model helicopter, the structure includes twocorresponding casings 7 engaged with each other, and the twocasings 7 are engaged with each other by a plurality of screws 8, and the twocasings 7 include a rotor transmission mechanism (not shown in the figure) of the model helicopter, aservo base 9, acontrol cantilever 91, an elevation control base 92 (since the two casings includes many components that are not related to the present invention, therefore only the related components are shown in the figure for illustrations), and the two casings separately includepivotal bases 71 that can be engaged with each other and pivotally connected to a tailrotor transmission module 93. - However, the tail
rotor transmission module 93 will be damaged easily, if the model helicopter is fallen down accidentally. If a user wants to repair the tailrotor transmission module 93, it is necessary to remove the twocasings 7 first and then loosen the plurality of secured screws 8 one by one before the user can repair or replace the tailrotor transmission module 93. Such arrangement causes inconvenience to the user. Furthermore, the user has to reinstall the twocasings 7 and secure the screws back to their original positions after the repair is made, and thus the design causes tremendous inconvenience and waste time for the maintenance and repair. - The primary objective of the present invention is to overcome the aforementioned shortcomings by providing an improved model helicopter, wherein a main body for containing a rotor transmission mechanism of the model helicopter and a tail pipe connecting base are detachably connected with each other, such that if the tail rotor transmission module installed at the tail pipe connecting base is damaged, users can remove the tail pipe connecting base directly to facilitate the maintenance, repair, or replacement of the tail rotor transmission module.
- To achieve the foregoing objective, the improved model helicopter of the invention comprises:
- a main body, having a containing space for installing a rotor transmission mechanism of a model helicopter, and a connecting track transversally disposed at the main body;
- a tail pipe connecting base, having a positioning groove for connecting a tail pipe of the model helicopter, a pivotal base disposed at an end without the positioning groove, and at least one pressing surface pressing against the connecting track of the main body and detachably connecting the connecting track of the main body to produce a relative pivotal rotation between the tail pipe connecting base and the main body; and
- a transmission module, pivotally coupled to the pivotal base of the tail pipe connecting base, and having a first transmission portion disposed at an end of the transmission module and linked with the rotor transmission mechanism, and another end of the transmission module having a second transmission portion.
-
FIG. 1 is a perspective view of a model helicopter adopting a tail pipe connecting base according to the present invention; -
FIG. 2 is a perspective view of a tail pipe connecting base connected with a tail pipe according to the present invention; -
FIG. 3 is a schematic view of a tail pipe connecting base according to the present invention; -
FIG. 4 is an exploded view of a main body according to the present invention; -
FIG. 5 is a schematic view of the structure of a tail pipe connecting base according to the present invention; -
FIG. 6 is a schematic view of the structure of a tail pipe connecting base connected with a tail pipe according to the present invention; and -
FIG. 7 is an exploded view of a casing of a prior art model helicopter. - Referring to FIGS. 1 to 6, the structure according to a preferred embodiment of the present invention is used for illustrations only, but not intended to limit the scope of the present invention.
- In
FIG. 1 , a perspective view of a model helicopter adopting a tail pipe connecting base according to the present invention is shown, and the structure of the model helicopter includes amain body 1, arotor transmission mechanism 2, arotor 3, a tailpipe connecting base 4, and atail pipe 5. - Referring to FIGS. 1 to 3, the
main body 1 of the embodiment is formed integrally, and themain body 1 has a containingspace 11 for installing therotor transmission mechanism 2 of the model helicopter and a containingtrack 12 transversally disposed on themain body 1. It is worth pointing out that themain body 1 could be made by engaging two side panels. - In
FIGS. 4 and 5 , the tailpipe connecting base 4 includes apositioning groove 41 for connecting thetail pipe 5 of the model helicopter, and the tailpipe connecting base 4 has apivotal base 42 disposed at an end without thepositioning groove 41. - The connecting
track 12 of themain body 1 is corresponsive with an external periphery of the tailpipe connecting base 4 for fixing the tailpipe connecting base 4 into its position, and the top of the tailpipe connecting base 4 has apressing surface 45 for pressing against the connectingtrack 12 of themain body 1 and being detachably coupled to the connectingtrack 12 of themain body 1 and preventing corresponding pivotal rotations between the tailpipe connecting base 4 and themain body 1. - The tail
pipe connecting base 4 and themain body 1 separately havescrew holes pipe connecting base 4 and themain body 1 into their positions byscrews 131, so that when a user wants to conduct a maintenance or repair, the screws are loosened to separate the tailpipe connecting base 4 and themain body 1 directly. The maintenance and repair are very convenient and can save the troubles caused by the removal and reinstallation of the parts of the model helicopter. - The
pivotal base 42 includes a first connectingportion 421 integrally connected to thepositioning groove 41 and a second connectingportion 422 corresponding to the first connectingportion 421, and the first connectingportion 421 and the second connectingportion 422 are detachably combined with each other, and the first connectingportion 421 and the second connectingportion 422 respectively have twopivotal grooves 423 facing with each other, so that the first connectingportion 421 and thepivotal groove 423 of the second connectingportion 422 are engaged to pivotally couple thetransmission module 43 at an area formed by the twopivotal grooves 423. - The tail
pipe connecting base 4 includes aslot 411 extended longitudinally along thepositioning groove 41, and the tailpipe connecting base 4 includes an adjusting hole separately disposed on both sides of theslot 411 for adjusting thescrew 441 to change the size of thepositioning groove 41, so that thetail pipe 5 and thepositioning groove 41 can be combined closely. - Referring to FIGS. 4 to 6, the tail
pipe connecting base 4 is pivotally coupled to thetransmission module 43, and thetransmission module 43 of this preferred embodiment is a tail rotor transmission module pivotally coupled to thepivotal base 42 of the tailpipe connecting base 4, and an end of thetransmission module 43 includes afirst transmission portion 431 linked to therotor transmission mechanism 2 and another end of thetransmission module 43 includes asecond transmission portion 432. - The first connecting
portion 421 and the second connectingportion 422 separately includecorresponding fixing holes 424 to be fixed byscrews 425, such that after a user removes themain body 1 and the tailpipe connecting base 4, the first connectingportion 421 and the second connectingportion 422 can be separated directly for maintaining, repairing, or replacing thetransmission module 43. Therefore, the invention not only provides a convenient and quick detachable structure of atail pipe 5, but also saves the time for removing and reinstalling thetail pipe 5 and the tail rotor transmission module. - While the invention has been described by way of example and in terms of a preferred embodiment, it is to be understood that the invention is not limited thereto. To the contrary, it is intended to cover various modifications and similar arrangements and procedures, and the scope of the appended claims therefore should be accorded the broadest interpretation so as to encompass all such modifications and similar arrangements and procedures.
Claims (7)
1. An improved model helicopter, comprising:
a main body, having a containing space for installing a rotor transmission mechanism of a model helicopter, and a connecting track transversally disposed at said main body;
a tail pipe connecting base, having a positioning groove for connecting a tail pipe of said model helicopter, a pivotal base disposed at an end other than said positioning groove, and at least one pressing surface for pressing against said connecting track of said main body and detachably connecting said connecting track of said main body to produce a relative pivotal rotation between said tail pipe connecting base and said main body; and
a transmission module, pivotally coupled to said pivotal base of said tail pipe connecting base, and having a first transmission portion disposed at an end of said transmission module and linked to said rotor transmission mechanism, and another end of said transmission module having a second transmission portion.
2. The improved model helicopter of claim 1 , wherein said main body is formed by engaging two side panels.
3. The improved model helicopter of claim 1 , wherein said main body is integrally formed.
4. The improved model helicopter of claim 1 , wherein said connecting track of said main body corresponds with an external periphery of said tail pipe connecting base for positioning said tail pipe connecting base to prevent said tail pipe connecting base and said main body from being rotated and swung pivotally.
5. The improved model helicopter of claim 1 , wherein said pivotal base includes a first connecting portion integrally coupled with said positioning groove and a second connecting portion corresponding to said first connecting portion, and said first connecting portion and said second connecting portion are detachably connected, and said first connecting portion and said second connecting portion respectively include two pivotal grooves facing with each other, such that said pivotal grooves of said first connecting portion and said second connecting portion are engaged with each other to pivotally connect said transmission module to an area formed by said two pivotal grooves.
6. The improved model helicopter of claim 1 , wherein said transmission module is a tail rotor transmission module.
7. The improved model helicopter of claim 5 , wherein said tail pipe connecting base includes a slot extended longitudinally along said positioning groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/340,457 US20070178798A1 (en) | 2006-01-27 | 2006-01-27 | Model helicopter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/340,457 US20070178798A1 (en) | 2006-01-27 | 2006-01-27 | Model helicopter |
Publications (1)
Publication Number | Publication Date |
---|---|
US20070178798A1 true US20070178798A1 (en) | 2007-08-02 |
Family
ID=38322687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/340,457 Abandoned US20070178798A1 (en) | 2006-01-27 | 2006-01-27 | Model helicopter |
Country Status (1)
Country | Link |
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US (1) | US20070178798A1 (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070221781A1 (en) * | 2006-01-19 | 2007-09-27 | Silverlit Toys Manufactory, Ltd. | Helicopter |
US7662013B2 (en) | 2006-01-19 | 2010-02-16 | Silverlit Toys Manufactory Ltd. | Helicopter with horizontal control |
US7883392B2 (en) * | 2008-08-04 | 2011-02-08 | Silverlit Toys Manufactory Ltd. | Toy helicopter |
US8002604B2 (en) | 2006-01-19 | 2011-08-23 | Silverlit Limited | Remote controlled toy helicopter |
US8052500B2 (en) | 2008-11-25 | 2011-11-08 | Silverlit Limited | Helicopter with main and auxiliary rotors |
US8308522B2 (en) | 2006-01-19 | 2012-11-13 | Silverlit Limited | Flying toy |
US8357023B2 (en) | 2006-01-19 | 2013-01-22 | Silverlit Limited | Helicopter |
WO2012168881A3 (en) * | 2011-06-07 | 2013-06-27 | Sab Heli Division S.R.L. | Radio-controlled helicopter |
CN104083876A (en) * | 2014-07-28 | 2014-10-08 | 朱彩玲 | Rear vertical tail used for toy plane |
US20140315464A1 (en) * | 2013-04-23 | 2014-10-23 | Kevork G. Kouyoumjian | Remotely Controlled, Impact-Resistant Model Helicopter |
US20160288006A1 (en) * | 2011-05-24 | 2016-10-06 | Shenzhen Shen's Tongchuang Aeronautic Model Co., Ltd. | Pitching Arrangement for Model Helicopter |
CN108216555A (en) * | 2018-03-12 | 2018-06-29 | 珠海紫燕无人飞行器有限公司 | A kind of electric unmanned helicopter |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040217229A1 (en) * | 2001-09-04 | 2004-11-04 | Arlton Paul E | Rotor system for helicopters |
-
2006
- 2006-01-27 US US11/340,457 patent/US20070178798A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040217229A1 (en) * | 2001-09-04 | 2004-11-04 | Arlton Paul E | Rotor system for helicopters |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8308522B2 (en) | 2006-01-19 | 2012-11-13 | Silverlit Limited | Flying toy |
US7662013B2 (en) | 2006-01-19 | 2010-02-16 | Silverlit Toys Manufactory Ltd. | Helicopter with horizontal control |
US7815482B2 (en) | 2006-01-19 | 2010-10-19 | Silverlit Toys Manufactory, Ltd. | Helicopter |
US20070221781A1 (en) * | 2006-01-19 | 2007-09-27 | Silverlit Toys Manufactory, Ltd. | Helicopter |
US8002604B2 (en) | 2006-01-19 | 2011-08-23 | Silverlit Limited | Remote controlled toy helicopter |
US8357023B2 (en) | 2006-01-19 | 2013-01-22 | Silverlit Limited | Helicopter |
US7883392B2 (en) * | 2008-08-04 | 2011-02-08 | Silverlit Toys Manufactory Ltd. | Toy helicopter |
US8052500B2 (en) | 2008-11-25 | 2011-11-08 | Silverlit Limited | Helicopter with main and auxiliary rotors |
US20160288006A1 (en) * | 2011-05-24 | 2016-10-06 | Shenzhen Shen's Tongchuang Aeronautic Model Co., Ltd. | Pitching Arrangement for Model Helicopter |
US9821239B2 (en) * | 2011-05-24 | 2017-11-21 | Shenzhen Shen's Tongchuang Aeronautic Model Co., Ltd. | Pitching arrangement for model helicopter |
WO2012168881A3 (en) * | 2011-06-07 | 2013-06-27 | Sab Heli Division S.R.L. | Radio-controlled helicopter |
US20140315464A1 (en) * | 2013-04-23 | 2014-10-23 | Kevork G. Kouyoumjian | Remotely Controlled, Impact-Resistant Model Helicopter |
CN104083876A (en) * | 2014-07-28 | 2014-10-08 | 朱彩玲 | Rear vertical tail used for toy plane |
CN108216555A (en) * | 2018-03-12 | 2018-06-29 | 珠海紫燕无人飞行器有限公司 | A kind of electric unmanned helicopter |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: THUNDER TIGER & CORPORATION, TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LAI, ALING;REEL/FRAME:017233/0039 Effective date: 20060126 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |