JPH0132409Y2 - - Google Patents
Info
- Publication number
- JPH0132409Y2 JPH0132409Y2 JP12922283U JP12922283U JPH0132409Y2 JP H0132409 Y2 JPH0132409 Y2 JP H0132409Y2 JP 12922283 U JP12922283 U JP 12922283U JP 12922283 U JP12922283 U JP 12922283U JP H0132409 Y2 JPH0132409 Y2 JP H0132409Y2
- Authority
- JP
- Japan
- Prior art keywords
- case
- lug terminal
- antenna element
- coil spring
- attached
- 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
- 238000002788 crimping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Landscapes
- Support Of Aerials (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、着脱式ループアンテナの改良に関す
るものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an improvement of a detachable loop antenna.
従来、前記のようなループアンテナとして、第
１図に示すように、ループアンテナ素子１の両端
部に装着したコイルばね２を前記アンテナ素子１
の外周側に折曲げて突出させ、これらの突出部２
ａに挿通して固定した接続ロツド１ａを、被取付
部材（図示せず）に着脱可能に保持される保持手
段３ａを有するケース３およびその内部に挿入さ
れた平行フイーダ４にビス止めなどで機械的に取
付けたものが知られている。
Conventionally, as shown in FIG. 1, as a loop antenna as described above, a coil spring 2 attached to both ends of a loop antenna element 1 is attached to the antenna element 1.
These protruding parts 2
The connecting rod 1a inserted through and fixed in the case 3 is attached to a case 3 having a holding means 3a which is detachably held on a member to be attached (not shown), and to a parallel feeder 4 inserted into the case 3 by screws or the like. It is known that it has been installed.
また従来、第２図に示すように、被取付部材に
保持される保持手段７ａを有するケース７内に挿
入された平行フイーダ８に、取付金具６を介して
ループアンテナ素子５の両端部を接続すると共
に、その両端部をケース２に前記取付金具６で回
動可能に機械的に取付けた着脱式ループアンテナ
も知られている。 Conventionally, as shown in FIG. 2, both ends of the loop antenna element 5 are connected via mounting fittings 6 to a parallel feeder 8 inserted into a case 7 having a holding means 7a that is held on a member to which it is attached. In addition, a removable loop antenna is also known in which both ends of the antenna are rotatably mechanically attached to the case 2 using the mounting fittings 6.
しかし、第１図、第２図に示すものは、アンテ
ナ素子のフイーダへの接続およびケースへの機械
的な取付けに要する部品点数が多く、また、狭い
ケース内でのねじ締めを必要とするなど組立作業
が面倒であるという欠点があつた。
However, the antenna elements shown in Figures 1 and 2 require a large number of parts to connect the antenna element to the feeder and mechanically attach it to the case, and also require screw tightening within a narrow case. The drawback was that the assembly work was troublesome.
本考案は、前述した従来のものの欠点を解消し
て、部品点数が少なく、また組立作業性がよく、
さらにケースに内蔵したバルントランスを用いて
同軸ケーブルに接続できるようにした着脱式ルー
プアンテナを提供することを目的としている。 The present invention eliminates the drawbacks of the conventional ones mentioned above, has a small number of parts, and has good assembly workability.
Another object of the present invention is to provide a detachable loop antenna that can be connected to a coaxial cable using a balun transformer built into the case.
この目的を達成するために、本考案による着脱
式ループアンテナは、ループアンテナ素子の両端
部に嵌装したコイルばねを前記アンテナ素子の外
周側に折曲げて突出させ、これらの突出部をケー
スに形成した嵌合孔に遊挿し、前記ケース内に収
容したラグ端子の一端部に前記コイルばねの嵌合
孔から突出した端部を係合支持させてケースの支
持面に前記ラグ端子を位置決め圧着させ、前記コ
イルばねの折曲げ部をケースに設けた掛止めピン
に支持し、前記ケース内に挿入した同軸ケーブル
にケースに内蔵したバルントランスを接続すると
共に、このバランストランスに前記ラグ端子の他
端部を接続し、ケースに、このケースを被取付部
材へ着脱可能に保持させる保持手段を形成したこ
とを特徴とするものである。
In order to achieve this purpose, the detachable loop antenna according to the present invention has a coil spring fitted at both ends of a loop antenna element bent to protrude toward the outer circumference of the antenna element, and these protrusions are attached to a case. Loosely inserting the lug terminal into the formed fitting hole, and engaging and supporting one end of the lug terminal housed in the case with the end protruding from the fitting hole of the coil spring, positioning and crimping the lug terminal on the support surface of the case. The bent portion of the coil spring is supported by a latch pin provided in the case, and the balun transformer built in the case is connected to the coaxial cable inserted into the case, and the balance transformer is connected to the lug terminal as well as the lug terminal. The device is characterized in that the end portions are connected and the case is provided with a holding means for detachably holding the case to the member to be attached.
上記の構成によつて、アンテナ素子はケースの
前後に屈折動作可能であると共に、部品点数が少
いため組立作業が容易であり、アンテナ素子と同
軸ケーブルとの接続が確実に行われる。
With the above configuration, the antenna element can be bent forward and backward of the case, and since the number of parts is small, assembly work is easy, and the connection between the antenna element and the coaxial cable is ensured.
次に、本考案の一実施例につき第３図以下の図
面を参照して説明する。
Next, one embodiment of the present invention will be described with reference to the drawings from FIG. 3 onwards.
第３図乃至第６図に示すように、ループアンテ
ナ素子１１の両端部にコイルばね１２の一側部１
２ａがそれぞれ遊嵌され、前記アンテナ素子１１
に設けた位置決め部１１ａで前記一側部１２ａの
両端部が支持され、これらの長手方向への変位が
拘束されている。前記コイルばね１２はアンテナ
素子１１の外周側に折曲げ部１２ｂで折曲げられ
て互いに平行に突出し、突出部１２ｃは第３図、
第４図、第７図、第９図に示すように合成樹脂製
ケース１３の両側部に形成された嵌合孔１３ａに
それぞれ遊挿され、ケース１３の嵌合孔１３ａ入
口側に嵌挿した掛止めピン１４に前記折曲げ部１
２ｂが支持されて、これらのケース１３外への変
位が拘束されている。 As shown in FIGS. 3 to 6, one side 1 of a coil spring 12 is attached to both ends of the loop antenna element 11.
2a are loosely fitted, respectively, and the antenna elements 11
Both end portions of the one side portion 12a are supported by positioning portions 11a provided at the positioning portions 11a, and displacement thereof in the longitudinal direction is restrained. The coil springs 12 are bent at bent portions 12b on the outer circumferential side of the antenna element 11 and protrude parallel to each other, and the protruding portions 12c are as shown in FIG.
As shown in FIGS. 4, 7, and 9, the case 13 is loosely inserted into the fitting holes 13a formed on both sides of the synthetic resin case 13, and fitted into the inlet side of the fitting hole 13a of the case 13. The bent portion 1 is attached to the latching pin 14.
2b are supported, and their displacement outside the case 13 is restrained.
第８図にも示すように、コイルばね１２の前記
嵌合孔１３ａから突出した端部１２ｄがラグ端子
１５の一端部に突出した柱体１５ａに嵌合され
て、ラグ端子１５がケース１３の嵌合孔１３ａの
出口と対向する支持面１３ｂに圧着され、ラグ端
子１５の他端突出部１５ｂにかしめ付けられた接
続線１６がケース１３に内蔵したバルントランス
１７を介して同軸ケーブル１８に接続されてい
る。ここでケース１３の同軸ケーブル１８貫通部
には、第９図、第１０図に示すように階段部１３
ｃが形成され、第３図、第４図、第７図、第１０
図、第１１図に示すようにケース１３にタツピン
グねじ１９で締付け固定された合成樹脂製カバー
２０の内面には、前記階段部１３ｃと対向する突
片２０ａが形成され、階段部１３ｃと突片２０ａ
でこれらの一部が食込むように同軸ケーブル１８
が挟着固定されて、ケース１３外に延びている。 As also shown in FIG. 8, the end 12d of the coil spring 12 protruding from the fitting hole 13a is fitted into the column 15a protruding from one end of the lug terminal 15, and the lug terminal 15 is attached to the case 13. A connection wire 16 crimped to the support surface 13b facing the outlet of the fitting hole 13a and caulked to the other end protrusion 15b of the lug terminal 15 is connected to the coaxial cable 18 via a balloon transformer 17 built into the case 13. has been done. Here, the coaxial cable 18 penetration part of the case 13 has a staircase part 13 as shown in FIGS. 9 and 10.
c is formed, and Fig. 3, Fig. 4, Fig. 7, Fig. 10
As shown in FIGS. 11A and 11B, a protruding piece 20a facing the step part 13c is formed on the inner surface of the synthetic resin cover 20 which is fastened and fixed to the case 13 with a tapping screw 19. 20a
Insert the coaxial cable 18 so that some of these pieces are bitten.
is clamped and fixed and extends outside the case 13.
また、上記ラグ端子１５およびバルントランス
１７はケース１３の凹凸とカバー２０とでこれら
に囲まれた内部に位置決め保持され、前記ケース
１３のコイルばね１２遊挿方向と反対側の端部に
は、図示しない被取付部材に着脱可能に保持され
る保持手段２１が一体に設けられている。この保
持手段２１は、円柱体２１ａの先端部にやや大径
の逆円錐台形の係合部２１ｂが一体に形成されて
いると共に、係合部２１ｂの先端から円柱体２１
ａの段２１ｄまで、軸方向に沿う切割り２１ｃが
形成されている。 Further, the lug terminal 15 and the balun transformer 17 are positioned and held inside surrounded by the unevenness of the case 13 and the cover 20, and at the end of the case 13 on the opposite side to the direction in which the coil spring 12 is loosely inserted. A holding means 21 that is detachably held on an attached member (not shown) is integrally provided. In this holding means 21, an engaging portion 21b having a slightly large diameter and an inverted truncated conical shape is integrally formed at the tip of a cylindrical body 21a, and the cylindrical body 21 is connected from the tip of the engaging portion 21b.
A cut 21c along the axial direction is formed up to step 21d of step a.
以上のように構成された実施例の着脱式ループ
アンテナは、アンテナ素子１１がケース１３の前
後に屈折動作するこの種アンテナの作用を備えて
いると共に、アンテナ素子１１をケース１３に保
持するためのコイルばね１２の突出部１２ｃをそ
のままケース１３の嵌合孔１３ａに遊挿し、これ
らの出口側でコイルばね１２の嵌合孔１３ａから
突出した端部１２ｄをラグ端子１５に係合支持さ
せて、ラグ端子１５をケース１３の支持面１３ｂ
に圧着させることで、ケース１３内に位置決め保
持している。 The removable loop antenna of the embodiment configured as described above has the function of this type of antenna in which the antenna element 11 bends back and forth in the case 13, and also has a function for holding the antenna element 11 in the case 13. The protruding part 12c of the coil spring 12 is loosely inserted into the fitting hole 13a of the case 13 as it is, and the end part 12d protruding from the fitting hole 13a of the coil spring 12 is engaged and supported by the lug terminal 15 on the outlet side thereof. The lug terminal 15 is connected to the support surface 13b of the case 13.
It is positioned and held within the case 13 by crimping it.
また、ケース１３にバルントランス１７を内蔵
させることにより、差込み式のプラグが使用でき
るような同軸ケーブル１８をバルントランス１７
および接続線１６を介してラグ端子１５に電気的
に接続させてある。このため、従来のものに比べ
て取付金具やねじが不要になるなど部品点数を少
なくすることができ、またねじ締め作業を必要と
しないので組立作業性がよく、したがつて安価に
提供できると共に、前述したように差込み式プラ
グが使えるため取扱いが容易にできる。 In addition, by incorporating the balun transformer 17 in the case 13, the coaxial cable 18 that can use a plug-in plug can be connected to the balun transformer 17.
and is electrically connected to the lug terminal 15 via a connecting wire 16. Therefore, compared to conventional products, the number of parts can be reduced by eliminating the need for mounting brackets and screws, and since no screw tightening work is required, assembly work is easy, and therefore it can be provided at low cost. As mentioned above, the plug-in type plug can be used, making it easy to handle.
以上説明したように、本考案の着脱式ループア
ンテナによれば、部品点数を少なくすることがで
きると共に、組立作業性がよくて安価に提供で
き、しかも同軸ケーブルを用いたので取扱いが容
易になるという効果が得られる。
As explained above, the detachable loop antenna of the present invention can reduce the number of parts, is easy to assemble and can be provided at low cost, and is easy to handle because it uses a coaxial cable. This effect can be obtained.
第１図および第２図は互いに異なる従来の着脱
式ループアンテナをそれぞれ示す一部を断面した
正面図、第３図は本考案の一実施例による着脱式
ループアンテナを示す一部を切欠いた概略側面
図、第４図は同要部の概略正面図、第５図はコイ
ルばねとアンテナ素子の概略正面図、第６図は第
５図の部分拡大図、第７図はケースの分解部分斜
視図、第８図はラグ端子の拡大斜視図、第９図お
よび第１０図はケースの一部を切欠いた拡大正面
図および拡大側面図、第１１図および第１２図は
カバーの拡大背面図および一部を断面した拡大底
面図である。
１……ループアンテナ素子、２……コイルば
ね、２ａ……突出部、３……ケース、３ａ……保
持手段、４……平行フイーダ、５……ループアン
テナ素子、６……取付金具、７……ケース、７ａ
……保持手段、８……平行フイーダ、１１……ア
ンテナ素子、１１ａ……位置決め部、１２……コ
イルばね、１２ａ……一側部、１２ｂ……折曲げ
部、１２ｃ……突出部、１２ｄ……端部、１３…
…ケース、１３ａ……嵌合孔、１３ｂ……支持
面、１３ｃ……階段部、１４……掛止めピン、１
５……ラグ端子、１５ａ……柱体、１５ｂ……突
出部、１６……接続線、１７……バルントラン
ス、１８……同軸ケーブル、１９……タツピング
ねじ、２０……カバー、２０ａ……突片、２１…
…保持手段、２１ａ……円柱体、２１ｂ……係合
部、２１ｃ……切割り、２１ｄ……段。
1 and 2 are partially cutaway front views showing different conventional detachable loop antennas, and FIG. 3 is a partially cutaway schematic diagram showing a detachable loop antenna according to an embodiment of the present invention. 4 is a schematic front view of the same essential parts, 5 is a schematic front view of the coil spring and antenna element, 6 is a partially enlarged view of 5, and 7 is an exploded perspective view of the case. 8 is an enlarged perspective view of the lug terminal, FIGS. 9 and 10 are an enlarged front view and an enlarged side view with a part of the case cut away, and FIGS. 11 and 12 are an enlarged rear view and an enlarged view of the cover. It is an enlarged bottom view with a part cut away. DESCRIPTION OF SYMBOLS 1... Loop antenna element, 2... Coil spring, 2a... Protrusion, 3... Case, 3a... Holding means, 4... Parallel feeder, 5... Loop antenna element, 6... Mounting bracket, 7 ...Case, 7a
. . . Holding means, 8 . . . Parallel feeder, 11 . ...end, 13...
...Case, 13a... Fitting hole, 13b... Support surface, 13c... Stairs, 14... Latching pin, 1
5... Lug terminal, 15a... Pillar, 15b... Protrusion, 16... Connection wire, 17... Balun transformer, 18... Coaxial cable, 19... Tapping screw, 20... Cover, 20a... Projection piece, 21...
...Holding means, 21a...Cylindrical body, 21b...Engaging portion, 21c...Cut, 21d...Step.
Claims (1)
ばねを前記アンテナ素子の外周側に折曲げて突出
させ、これらの突出部をケースに形成した嵌合孔
に遊挿し、 前記ケース内に収容したラグ端子の一端部に前
記コイルばねの嵌合孔から突出した端部を係合支
持させてケースの支持面に前記ラグ端子を位置決
め圧着させ、 前記コイルばねの折曲げ部をケースに設けた掛
止めピンに支持し、 前記ケース内に挿入した同軸ケーブルにケース
に内蔵したバルントランスを接続すると共に、こ
のバランストランスに前記ラグ端子の他端部を接
続し、 ケースに、このケースを被取付部材へ着脱可能
に保持させる保持手段を形成したことを特徴とす
る着脱式ループアンテナ。[Claims for Utility Model Registration] A coil spring fitted to both ends of a loop antenna element is bent to protrude toward the outer periphery of the antenna element, and these protrusions are loosely inserted into a fitting hole formed in a case, one end of the lug terminal housed in the case engages and supports the end protruding from the fitting hole of the coil spring, positioning and crimping the lug terminal on the support surface of the case; is supported by a latch pin provided in the case, a balun transformer built in the case is connected to the coaxial cable inserted into the case, and the other end of the lug terminal is connected to the balance transformer, and the case is attached to the case. A detachable loop antenna characterized by forming a holding means for detachably holding the case to a member to be attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12922283U JPS6037905U (en) | 1983-08-19 | 1983-08-19 | Detachable loop antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12922283U JPS6037905U (en) | 1983-08-19 | 1983-08-19 | Detachable loop antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6037905U JPS6037905U (en) | 1985-03-15 |
| JPH0132409Y2 true JPH0132409Y2 (en) | 1989-10-04 |
Family
ID=30292864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12922283U Granted JPS6037905U (en) | 1983-08-19 | 1983-08-19 | Detachable loop antenna |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6037905U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013110001A1 (en) * | 2012-01-19 | 2013-07-25 | Cerebrotech Medical Systems, Inc. | Diagnostic system for detection of fluid changes |
-
1983
- 1983-08-19 JP JP12922283U patent/JPS6037905U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6037905U (en) | 1985-03-15 |
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