JPH0210647Y2 - - Google Patents
Info
- Publication number
- JPH0210647Y2 JPH0210647Y2 JP1984097989U JP9798984U JPH0210647Y2 JP H0210647 Y2 JPH0210647 Y2 JP H0210647Y2 JP 1984097989 U JP1984097989 U JP 1984097989U JP 9798984 U JP9798984 U JP 9798984U JP H0210647 Y2 JPH0210647 Y2 JP H0210647Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- tip
- pole
- antenna
- plastically deformed
- 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.)
- Expired
Links
- 229920003002 synthetic resin Polymers 0.000 claims description 14
- 239000000057 synthetic resin Substances 0.000 claims description 14
- 230000001788 irregular Effects 0.000 claims description 4
- 239000011324 bead Substances 0.000 description 20
- 239000002184 metal Substances 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Landscapes
- Details Of Aerials (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、多段伸縮ポールアンテナなどの先端
部を構成するアンテナポールに関するものであ
る。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an antenna pole that constitutes the tip of a multi-stage telescoping pole antenna or the like.
従来、多段伸縮ポールアンテナの先端ポールの
ようなアンテナポールとして金属パイプを用いた
ものが知られており、このようなアンテナポール
の先端部を構成するパイプの先端部には一般に飾
り玉が設けられている。そして、このようなアン
テナポールとして、パイプの先端部に合成樹脂の
成形品からなる飾り玉の脚部をパイプ先端から嵌
挿し、パイプの先端部に前記脚部をかしめ固定し
たものが従来知られている。
Conventionally, it has been known to use a metal pipe as an antenna pole such as the tip pole of a multi-stage telescopic pole antenna, and a decorative bead is generally provided at the tip of the pipe that constitutes the tip of such an antenna pole. ing. As such an antenna pole, a conventionally known antenna pole is one in which a decorative bead leg made of a synthetic resin molded product is inserted into the tip of a pipe, and the leg is caulked and fixed to the tip of the pipe. ing.
〔考案が解決しようとする課題〕
しかし、このアンテナポールでは、飾り玉がパ
イプから抜け出し易く、またパイプのかしめ跡が
残つて外観が良くないという問題があつた。[Problems to be solved by the invention] However, with this antenna pole, there were problems in that the decorative balls easily fell out of the pipe and the appearance was not good because the pipe left caulking marks.
そこで、パイプの先端部に金属チツプを嵌合固
定し、このチツプの先端部をパイプ先端から突出
させ、パイプおよびチツプの先端部に合成樹脂か
らなる飾り玉を一体形成したものである。しかし
このパイプは、金属チツプが必要で部品数が多
く、このチツプとパイプのかしめ固定が必要で製
造工程も多くなるため、コスト高になるという問
題があつた。 Therefore, a metal chip is fitted and fixed to the tip of the pipe, the tip of the chip is made to protrude from the tip of the pipe, and a decorative bead made of synthetic resin is integrally formed on the tip of the pipe and the tip. However, this pipe requires a metal chip and has a large number of parts, and the chip and pipe must be caulked together, requiring many manufacturing steps, resulting in high costs.
本考案は、前述した問題を解決することを目的
になされたものである。 The present invention has been made to solve the above-mentioned problems.
している。are doing.
上記の目的を達成するために本考案のアンテナ
ポールは、ポールアンテナの先端部を構成するパ
イプの先端より若干基部側に、外周側から中心側
に向け前記パイプを押し潰して内面が密着した角
形、星状多角形などの異形断面の塑性変形部を形
成し、前記パイプの塑性変形部およびこの変形部
より先端側の大径部分に、合成樹脂により飾り玉
を一体成形したことを特徴とするものである。
In order to achieve the above object, the antenna pole of the present invention has a rectangular shape in which the inner surface of the pipe constituting the tip of the pole antenna is pressed slightly toward the base side from the tip of the pipe from the outer circumferential side to the center side. , a plastically deformed portion having an irregular cross section such as a star-shaped polygon is formed, and a decorative bead is integrally molded from synthetic resin on the plastically deformed portion of the pipe and the large diameter portion on the distal end side of this deformed portion. It is something.
〔作用〕
上記の構成により、別部品を用いることなく、
ポールアンテナを安価に提供することができるも
のでありながら、飾り玉が抜け出ないように強固
にパイプに固定できる。[Function] With the above configuration, without using separate parts,
To provide a pole antenna at a low cost and to be able to firmly fix a decorative ball to a pipe so that it does not fall out.
以下、本考案の一実施例につき図を参照して説
明する。
Hereinafter, one embodiment of the present invention will be described with reference to the drawings.
第2図において、符号2は多段伸縮ポールアン
テナ1の先端ポールであり、この先端ポール2は
外径Dが2.8mm、肉厚が0.2mmの金属パイプ3から
なる。そしてこの金属パイプ3の先端より5mm程
度基部側には、第3図a,bに示すように、外周
側から4個の先端部が直角に尖つた加工具8を中
心に押し込むことで、金属パイプ3を潰し、十字
状の多角形断面の塑性変形部4が形成され、この
変形部4の内面が密着されている。そして金属パ
イプ3の塑性変形部4より先端側の最先端部5に
は、第3図に示すように、1.5mmの位置において
円周方向の2個所に直径1.5mmφの孔6が形成さ
れている。 In FIG. 2, reference numeral 2 denotes the tip pole of the multi-stage telescopic pole antenna 1, and the tip pole 2 is made of a metal pipe 3 with an outer diameter D of 2.8 mm and a wall thickness of 0.2 mm. Then, about 5 mm from the tip of this metal pipe 3 to the base side, as shown in FIGS. The pipe 3 is crushed to form a plastically deformed portion 4 having a cross-shaped polygonal cross section, and the inner surface of this deformed portion 4 is tightly contacted. As shown in FIG. 3, holes 6 with a diameter of 1.5 mmφ are formed at two locations in the circumferential direction at positions of 1.5 mm, as shown in FIG. There is.
ここで第1図に示すように、金属パイプ3の塑
性変形部4より若干基部側から塑性変形部4、最
先端部5の外周に覆つて金属パイプ3の先端延長
方向に突出する飾り玉7が、着色合成樹脂で金属
パイプ3と一体成形され、飾り玉7はカツプ状の
最先端部5内および塑性変形部4の外周溝内まで
に充填されている。なおこの飾り玉7は外径が7
mm、長さが10mm程度に形成される。 Here, as shown in FIG. 1, a decorative bead 7 protrudes from the plastically deformed part 4 of the metal pipe 3 slightly from the base side, covering the outer periphery of the plastically deformed part 4 and the distal end part 5 in the direction in which the distal end of the metal pipe 3 extends. is integrally molded with the metal pipe 3 from a colored synthetic resin, and the decorative beads 7 are filled into the cup-shaped tip end 5 and the outer circumferential groove of the plastically deformed part 4. The outer diameter of this decorative ball 7 is 7.
mm, and the length is approximately 10 mm.
以上のように構成された実施例のアンテナポー
ルは、金属パイプ3の最先端部5に孔6を設けた
ので、飾り玉7を形成する合成樹脂の射出成形時
に、高圧で射出される合成樹脂がカツプ状の最先
端部5内に圧送されるとき、塑性変形部4内面の
密着部4aを押し拡げてこれより金属パイプ3基
部側に流入するのを確実に防止できる。すなわち
孔6によつて最先端部5内に流入した合成樹脂が
集中的に密着部4aに流入するのを孔6によつて
外周側に逃がし、圧力が集中して密着部4aに作
用するのを緩和して、合成樹脂の密着部4aより
金属パイプ3基部側への流入を防止する。また射
出された合成樹脂は外周側から冷却固化するの
で、厚肉部には気泡が残り易く、本実施例では先
端部が合成樹脂の柱状となり、冷えにくいため気
泡が生じるおそれがあるが、孔6を設けたことで
冷却速度の安定化が期待でき、これによつて気泡
がない飾り玉7が得られ、気泡がないことで金属
パイプ3と飾り玉7との密着性が向上し、これら
が強固に固定できる。さらに金属パイプ3内外の
合成樹脂が孔6で一体化するので、飾り玉7の抜
け強度が向上する。 In the antenna pole of the embodiment configured as described above, the hole 6 is provided in the tip end 5 of the metal pipe 3, so that the synthetic resin injected at high pressure during the injection molding of the synthetic resin forming the decorative bead 7 When the metal is fed under pressure into the cup-shaped tip end 5, the tight contact portion 4a on the inner surface of the plastically deformed portion 4 is pushed open, thereby reliably preventing the metal from flowing into the base side of the metal pipe 3. That is, the synthetic resin that has flowed into the distal end portion 5 through the hole 6 intensively flows into the close contact portion 4a, but is released to the outer circumferential side through the hole 6, and the pressure is concentrated and acts on the close contact portion 4a. This prevents the synthetic resin from flowing into the base of the metal pipe 3 from the close contact portion 4a. In addition, since the injected synthetic resin cools and solidifies from the outer circumferential side, air bubbles are likely to remain in the thick parts.In this example, the tip is columnar of synthetic resin, which is difficult to cool, so there is a risk of air bubbles forming. By providing the metal pipe 3, it is expected that the cooling rate will be stabilized, thereby making it possible to obtain the decorative beads 7 without air bubbles. can be firmly fixed. Furthermore, since the synthetic resin inside and outside of the metal pipe 3 is integrated at the hole 6, the strength of the decorative beads 7 to come off is improved.
本実施例では、塑性変形部4の断面形状を十字
状にしたので、加工の安定性、治工具の製作の容
易性および内面の密着性の点で好適な形状であ
る。 In this embodiment, the cross-sectional shape of the plastically deformed portion 4 is cross-shaped, which is a suitable shape in terms of processing stability, ease of manufacturing jigs and tools, and inner surface adhesion.
なお本実施例において、パイプ3の最先端部5
に設ける孔6は実施例の数に限られるものではな
く、これより適宜個数を増減させてもよく、省略
してもよい。また本考案において、金属パイプ3
の塑性変形部4の断面形状は、実施例の形状に限
られることなく、三角形、多角形のような角形、
星状多角形などの飾り玉7の回り止め、抜け止め
となる異形断面であればよい。 Note that in this embodiment, the tip end 5 of the pipe 3
The number of holes 6 to be provided is not limited to the number in the embodiment, and the number may be increased or decreased as appropriate, or may be omitted. In addition, in this invention, metal pipe 3
The cross-sectional shape of the plastically deformed portion 4 is not limited to the shape of the embodiment, but may be a triangle, a square such as a polygon,
Any irregular cross-section, such as a star-shaped polygon, that prevents the decorative beads 7 from rotating or coming off may be used.
以上説明したように、本考案によれば、多段伸
縮ポールアンテナの先端ポールのようなポールア
ンテナの先端部を構成するパイプに、その先端よ
り若干基部側に位置させて内面が密着した異形断
面の塑性変形部を形成し、パイプの塑性変形部お
よびこれより先端側の部分に合成樹脂で飾り玉を
一体成形したので、前記塑性変形部の潰し成形が
容易である上に、別部品を必要としないので安価
に提供でき、塑性変形部が飾り玉の抜け止めおよ
び回転止め作用をするのでパイプと飾り玉を強固
に固定でき、外径2.8mmφ、肉厚0.2mmのパイプで
40Kg以上の、抜け止め基準20Kgの2倍の抜け止め
強度が得られる。
As explained above, according to the present invention, a pipe with an irregular cross section that is positioned slightly closer to the base side than the tip and whose inner surface is in close contact with the pipe constituting the tip of a pole antenna, such as the tip pole of a multi-stage telescoping pole antenna, is used. Since a plastically deformed portion is formed and a decorative bead is integrally molded with synthetic resin on the plastically deformed portion of the pipe and the portion on the distal end thereof, the plastically deformed portion can be easily crushed and molded, and additional parts are not required. Since the plastic deformation part acts to prevent the decorative beads from falling out and preventing them from rotating, the pipe and the decorative beads can be firmly fixed.
It has a retaining strength of 40Kg or more, which is twice the retainer standard of 20Kg.
また本考案によれば、飾り玉の成形後はパイプ
の加工跡が見えず、成形部の肉厚変化が少ないの
で飾り玉表面のひけや気泡がなく外観が良好であ
る。 Further, according to the present invention, after the decorative beads are molded, no traces of machining of the pipe are visible, and there is little change in the thickness of the molded part, so there are no sink marks or bubbles on the surface of the decorative beads, and the appearance is good.
さらに本考案によれば、アンテナの組立ライン
中で飾り玉の成形を行うことができ、従来のよう
に飾り玉や金属チツプのような飾り玉用部品の在
庫を必要とせず、一体成形でパイプに飾り玉を固
定でき、しかも塑性変形部に内面の密着部を設
け、この密着部よりパイプの基部側に合成樹脂が
入らないことでも、コストダウンができる。 Furthermore, according to the present invention, it is possible to mold the decorative beads in the antenna assembly line, and there is no need to stock decorative beads or parts for decorative beads such as metal chips as in the past, and pipes can be molded in one piece. The decorative beads can be fixed to the pipe, and the plastically deformed part is provided with an inner contact part, and the synthetic resin does not enter the base side of the pipe beyond this contact part, thereby reducing costs.
第1図は本考案の一実施例を示す要部の側断面
図、第2図は同飾り玉取付け前の多段伸縮ポール
アンテナの一部を断面した部分側面図、第3図
a,bは塑性変形部の加工状態説明用の側断面
図、横断面図、第4図はパイプの先端部の側断面
図である。
1……多段伸縮ポールアンテナ、2……先端ポ
ール、3……金属パイプ、4……塑性変形部、4
a……密着部、5……最先端部、6……孔、7…
…飾り玉、8……工具。
Fig. 1 is a side cross-sectional view of the main part showing one embodiment of the present invention, Fig. 2 is a partial side view with a part of the multi-stage telescopic pole antenna before the decorative beads are attached, and Fig. 3 a and b are FIG. 4 is a side sectional view and a cross sectional view for explaining the processing state of the plastically deformed portion. FIG. 4 is a side sectional view of the tip of the pipe. 1...Multi-stage telescopic pole antenna, 2...Tip pole, 3...Metal pipe, 4...Plastic deformation part, 4
a... Close contact part, 5... Most extreme part, 6... Hole, 7...
... Decorative balls, 8... Tools.
Claims (1)
端より若干基部側に、外周側から中心側に向け前
記パイプを押し潰して内面が密着した角形、星状
多角形などの異形断面の塑性変形部を形成し、 前記パイプの塑性変形部およびこの変形部より
先端側の大径部分に、合成樹脂により飾り玉を一
体成形したことを特徴とするアンテナポール。[Claims for Utility Model Registration] A rectangular, star-shaped polygon, etc., formed by squeezing the pipe from the outer periphery toward the center, making the pipe constituting the tip of the pole antenna in close contact with the inner surface, slightly toward the base of the tip of the pipe. 1. An antenna pole characterized in that a plastically deformed portion having an irregular cross section is formed, and a decorative ball is integrally molded from synthetic resin on the plastically deformed portion of the pipe and a large diameter portion on the distal end side of the deformed portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9798984U JPS6115803U (en) | 1984-06-29 | 1984-06-29 | antenna pole |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9798984U JPS6115803U (en) | 1984-06-29 | 1984-06-29 | antenna pole |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6115803U JPS6115803U (en) | 1986-01-29 |
JPH0210647Y2 true JPH0210647Y2 (en) | 1990-03-16 |
Family
ID=30657544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9798984U Granted JPS6115803U (en) | 1984-06-29 | 1984-06-29 | antenna pole |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6115803U (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0737364Y2 (en) * | 1986-04-07 | 1995-08-23 | 日本アンテナ株式会社 | Rod antenna with decorative ball |
JPH0614348Y2 (en) * | 1987-05-19 | 1994-04-13 | 日本開閉器工業株式会社 | Thin multiple pushbutton switch |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6121844Y2 (en) * | 1982-03-23 | 1986-07-01 |
-
1984
- 1984-06-29 JP JP9798984U patent/JPS6115803U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6115803U (en) | 1986-01-29 |
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