JPH01147505U - - Google Patents
Info
- Publication number
- JPH01147505U JPH01147505U JP4340488U JP4340488U JPH01147505U JP H01147505 U JPH01147505 U JP H01147505U JP 4340488 U JP4340488 U JP 4340488U JP 4340488 U JP4340488 U JP 4340488U JP H01147505 U JPH01147505 U JP H01147505U
- Authority
- JP
- Japan
- Prior art keywords
- wheel
- electric telescopic
- motor
- antenna
- view
- 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.)
- Pending
Links
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Details Of Aerials (AREA)
- Transmission Devices (AREA)
Description
第１図は本考案の一実施例を示す要部の斜視図
、第２図は一部の側面図、第３図はホイールの斜
視図、第４図は揺動アームのバネ受け突起付近の
平面図、第５図は電動伸縮アンテナの全体概略構
成図、第６図はモータ駆動回路図、第７図ａ，ｂ
，ｃはスイツチ操作子の作動説明図、第８図はバ
ランススプリングのバネ特性図、第９図はモータ
の特性図である。
１…駆動部、２…ケース、３…モータ、４…ア
ンテナエレメント、５…アンテナ収納筒、６，７
…ブラケツト、８…フエンダパネル、９…減速ギ
ヤ機構、９ａ…ウオーム、９ｂ…ウオームホイー
ル、９ｃ…駆動ギヤ、９ｄ…アイドラギヤ、９ｅ
…ベースギヤ、１０…ホイール、１０ａ…送り歯
、１１…ドライブコード、１１ａ…ラツク歯、１
２…ローラ、１３…アーム、１３ａ…スイツチ操
作子、１４，１５…支軸、１６…揺動アーム、１
６ａ…バネ受け突起、１７，１８…ストツパ、１
９，２０…バランススプリング、２１…ダンパス
プリング、２２，２３…マイクロスイツチ、２４
…リレースイツチ。
Fig. 1 is a perspective view of the main part showing an embodiment of the present invention, Fig. 2 is a partial side view, Fig. 3 is a perspective view of the wheel, and Fig. 4 is a view of the vicinity of the spring receiving protrusion of the swing arm. A plan view, Fig. 5 is a general schematic diagram of the electric telescopic antenna, Fig. 6 is a motor drive circuit diagram, Fig. 7 a, b
, c is an explanatory diagram of the operation of the switch operator, FIG. 8 is a spring characteristic diagram of the balance spring, and FIG. 9 is a characteristic diagram of the motor. DESCRIPTION OF SYMBOLS 1... Drive part, 2... Case, 3... Motor, 4... Antenna element, 5... Antenna storage tube, 6, 7
... Bracket, 8... Fender panel, 9... Reduction gear mechanism, 9a... Worm, 9b... Worm wheel, 9c... Drive gear, 9d... Idler gear, 9e
...Base gear, 10...Wheel, 10a...Feed dog, 11...Drive cord, 11a...Rack tooth, 1
2... Roller, 13... Arm, 13a... Switch operator, 14, 15... Support shaft, 16... Swinging arm, 1
6a... Spring receiving projection, 17, 18... Stopper, 1
9, 20... Balance spring, 21... Damper spring, 22, 23... Micro switch, 24
...Relay switch.
Claims (1)
れるホイールと、このホイールに係合してアンテ
ナエレメントを伸縮すべく送りが与えられるドラ
イブコードとを備える電動伸縮アンテナにおいて
、 上記ホイールは過負荷発生時にドライブコード
に沿つて転動可能に構成し、このホイールの転動
に連動してモータ駆動回路を遮断するように構成
してなる電動伸縮アンテナの過負荷緩衝装置。[Claims for Utility Model Registration] An electric telescopic antenna comprising a wheel rotatably driven by a motor via a reduction gear mechanism, and a drive cord that engages with the wheel and is fed to extend or contract the antenna element, An overload buffering device for an electric telescopic antenna, wherein the wheel is configured to be able to roll along a drive cord when an overload occurs, and the motor drive circuit is shut off in conjunction with the rolling of the wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4340488U JPH01147505U (en) | 1988-03-31 | 1988-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4340488U JPH01147505U (en) | 1988-03-31 | 1988-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01147505U true JPH01147505U (en) | 1989-10-12 |
Family
ID=31269803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4340488U Pending JPH01147505U (en) | 1988-03-31 | 1988-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01147505U (en) |
-
1988
- 1988-03-31 JP JP4340488U patent/JPH01147505U/ja active Pending
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