JPS6310519Y2 - - Google Patents
Info
- Publication number
- JPS6310519Y2 JPS6310519Y2 JP18359280U JP18359280U JPS6310519Y2 JP S6310519 Y2 JPS6310519 Y2 JP S6310519Y2 JP 18359280 U JP18359280 U JP 18359280U JP 18359280 U JP18359280 U JP 18359280U JP S6310519 Y2 JPS6310519 Y2 JP S6310519Y2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- radial direction
- protective cover
- cover
- glass
- 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
- 239000011521 glass Substances 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 6
- 229920003002 synthetic resin Polymers 0.000 claims description 5
- 239000000057 synthetic resin Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000071 blow moulding Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
【考案の詳細な説明】
本考案は、内部液補充用の角出部を備えた、外
面がガラス製の電極（以下、ガラス製電極とい
う）の保護カバーに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a protective cover for an electrode whose outer surface is made of glass (hereinafter referred to as a glass electrode), and which has a corner portion for replenishing an internal liquid.
前記ガラス製電極は、PH測定など広範囲に利用
され、かつ、特に屋外使用される場合や、液槽中
に繰返し浸漬させるなど比較的操作回数が多い場
合に、そのガラス製電極を衝撃から保護するため
に保護カバーが装着される。 The glass electrode is used in a wide range of applications such as pH measurement, and protects the glass electrode from impact especially when used outdoors or when operated relatively frequently, such as repeatedly immersed in a liquid bath. A protective cover is attached for this purpose.
その保護カバーとして、従来一般に、第５図に
示すように、既製の樹脂パイプを切断して筒状の
カバー本体１２を形成すると共に、それの一端側
に、ガラス製電極角出部を外部に突出させる状態
でその角出部に保護カバー６を係止固定させるた
めの鍵溝１３を形成するものが利用されている
が、保護カバー６の１本毎にパイプ切断と鍵溝成
形の機械加工が必要で、製作コストが極めて高く
なり、その上、既製パイプを利用する関係上、そ
のパイプをガラス製電極よりもやや大なる内径の
ものを選択する必要があり、かつ、保護カバー６
を単に角出部に係合固定させるものであるから保
護カバー６がガタツキを生じる事となり、衝撃外
力が直接的に保護カバー６にかかつて、ガラス製
電極の破損や角出部の切損を生じやすい欠点があ
つた。本考案は、上記欠点を解消すると共に、軽
量で取扱いの良い保護カバーを提供する事を目的
とする。 Conventionally, as shown in FIG. 5, as a protective cover, a cylindrical cover body 12 is formed by cutting a ready-made resin pipe, and a glass electrode corner is attached to one end of the cover body 12. A key groove 13 is used for locking and fixing the protective cover 6 in the angular part of the protruding part, but each piece of the protective cover 6 is machined by cutting the pipe and forming the key groove. is required, making the production cost extremely high.Furthermore, since a ready-made pipe is used, it is necessary to select a pipe with a slightly larger inner diameter than the glass electrode, and the protective cover 6
Since the protective cover 6 is simply engaged and fixed to the corner part, the protective cover 6 will be shaken, and the external impact force will be directly applied to the protective cover 6, causing damage to the glass electrode and breakage of the corner part. There were some shortcomings that were easy to occur. The present invention aims to eliminate the above-mentioned drawbacks and to provide a protective cover that is lightweight and easy to handle.
以下、本考案を図面に示す一実施例について説
明する。１は外面がガラス製の複合電極で、測定
電極と比較電極とを備えており、その上端近傍に
は内部液補充用の角出部２が連通連設され、上端
開口には合成樹脂製のキヤツプ４が装着されてい
る。 An embodiment of the present invention shown in the drawings will be described below. 1 is a composite electrode whose outer surface is made of glass, and is equipped with a measurement electrode and a reference electrode. Near its upper end, a corner part 2 for replenishing the internal liquid is connected and connected, and at the upper end opening there is a composite electrode made of synthetic resin. Cap 4 is attached.
５は前記角出部２の液補助充口を閉じる弾性キ
ヤツプで、それに連設のリング部分５ａを前記角
出部２に嵌着させてある。 Reference numeral 5 designates an elastic cap for closing the liquid auxiliary port of the corner portion 2, and a ring portion 5a connected thereto is fitted onto the corner portion 2.
６は前記電極１の保護カバーで、ポリエチレン
やポリプロピレン等の比較的軟質の合成樹脂材を
用いてブロー成型により比較的薄肉に形成してあ
る。 Reference numeral 6 denotes a protective cover for the electrode 1, which is made relatively thin by blow molding using a relatively soft synthetic resin material such as polyethylene or polypropylene.
この保護カバー６を構成するに、全長が前記電
極１のガラス部分３よりも長い両端が開放された
筒状カバー本体７の上端側に前記角出部２を受け
る縦溝８を形成すると共に、その上端側の縁部径
を自由状態において前記電極１よりもやや小径に
設定して、電極１の応答部１ａ側からの挿入によ
り、その小径縁部を弾性的に拡径させる状態でキ
ヤツプ４の装着部近くに弾性保持させるようにし
てある。 To construct this protective cover 6, a vertical groove 8 for receiving the corner portion 2 is formed on the upper end side of a cylindrical cover main body 7 whose entire length is longer than the glass portion 3 of the electrode 1 and is open at both ends. The diameter of the edge on the upper end side is set to be slightly smaller than that of the electrode 1 in the free state, and when the electrode 1 is inserted from the response part 1a side, the small diameter edge is elastically expanded to open the cap 4. It is designed to be elastically held near the mounting part.
そして、前記縦溝８の底部よりも下方に、前記
電極１の周面に外嵌接触する環状のリブ９，９を
複数個、カバー本体７の長手方向に間かくを隔て
てかつ半径方向内方に凹入させて並設すると共
に、これらの環状リブ９，９をカバー本体長手方
向で縦断する縦リブ１０，１０を複数個、カバー
本体７の周方向に間かくを隔ててかつそのうちの
１個を前記溝８の底部に連ねる状態で半径方向外
方に膨出させて並設し、この縦リブ１０，１０に
よつて前記環状リブ９，９の径方向変位を弾性的
に許容させる状態で、即ち、前記縦溝８に対する
角出部２の嵌入を容易に行なわせると共に、前記
ガラス部分３の径方向の製作誤差を弾性吸収させ
る状態で、その環状リブ９，９を電極１に弾性嵌
着させるようにしてある。 Below the bottom of the vertical groove 8, a plurality of annular ribs 9, 9 which are in external contact with the circumferential surface of the electrode 1 are arranged at intervals in the longitudinal direction of the cover body 7 and inwardly in the radial direction. A plurality of vertical ribs 10, 10 are arranged in parallel and recessed in the direction of the cover body 7, and a plurality of vertical ribs 10, 10, which cut these annular ribs 9, 9 longitudinally in the longitudinal direction of the cover body 7, are spaced apart from each other in the circumferential direction of the cover body 7. One piece is arranged side by side in a state in which it bulges outward in the radial direction so as to be connected to the bottom of the groove 8, and the vertical ribs 10, 10 elastically allow the radial displacement of the annular ribs 9, 9. In other words, the annular ribs 9 are attached to the electrode 1 in such a manner that the corner portion 2 can be easily fitted into the vertical groove 8 and the manufacturing error in the radial direction of the glass portion 3 can be elastically absorbed. It is designed to fit elastically.
更に、カバー本体７の上下両端縁に、半径方向
外方に膨出するリブ１１ａ，１１ｂを成形して、
その部分に対する半径方向の衝撃外力に抗する保
形性を向上させると共に、前記応答部１ａ近くに
おいてカバー本体７の内外を連通させる気抜き孔
ａ…を形成してある。 Furthermore, ribs 11a and 11b that bulge outward in the radial direction are formed on both upper and lower end edges of the cover body 7,
In addition to improving the shape retention of the portion against external impact forces in the radial direction, vent holes a are formed near the response portion 1a to communicate the inside and outside of the cover body 7.
尚、前記環状リブ９を１個あるいは３個以上設
けるも良く、また、縦リブ１０として、前記縦溝
８底部に連ねる状態で１個だけ、あるいは少なく
とも１個を縦溝８底部に連ねる状態で３個以上設
けるも良い。 Incidentally, one or more annular ribs 9 may be provided, and as the vertical rib 10, only one rib may be provided, or at least one may be provided in a state that it is continuous with the bottom of the vertical groove 8. It is also good to provide three or more.
以上要するに、本考案による保護カバーは上記
構成より成り、即ち、カバー本体の上端側及び環
状リブをガラス電極に外嵌着させて、カバー本体
とガラス製電極の間に合成樹脂材による弾性間隙
を持たせてかつガタツキの無い状態で、保護カバ
ーをガラス製電極に保持させる事により、衝撃外
力をカバー本体自体の弾性変位によつて極めて良
好に緩和させる事ができ、ガラス製電極自体はも
とより角出部の破損事故を解消できる。 In summary, the protective cover according to the present invention has the above-mentioned configuration, that is, the upper end side of the cover body and the annular rib are externally fitted onto the glass electrode, and an elastic gap made of synthetic resin is created between the cover body and the glass electrode. By holding the protective cover on the glass electrode without wobbling, the impact external force can be extremely well alleviated by the elastic displacement of the cover itself, and the glass electrode itself can be Eliminates the problem of damage to the exit part.
しかも、弾性嵌着構造故に、それの着脱操作が
容易で、例えば、ガラス製電極の表面清掃などの
メンテナンスが容易になる。 Moreover, because of the elastic fitting structure, it is easy to attach and detach it, and maintenance such as cleaning the surface of the glass electrode is facilitated.
そして、上述したように、カバー本体の上端側
の嵌着部においては角出部の嵌入を容易に行なわ
せるための縦溝によつて、かつ、環状リブの嵌着
部においては縦リブによつて、夫々半径方向の径
変化を弾性的に変位可能に構成したので、ガラス
製電極の径方向の製作誤差をカバー本体自体で自
己吸収させる事ができ、しかも、縦リブ及び環状
リブが強度構造として機能するので、保護カバー
を弾性に富む軟質の合成樹脂材によつて薄肉軽量
に構成しながらも、それ自体の保形強度を十分高
くする事ができ、更には、その構造上、機械加工
仕上げの不要なブロー成型が可能であるから、保
護カバーを極めて安価にかつ大量生産できるよう
になり、全体として、着脱容易かつ小型軽量で取
扱いが良く、しかも、極めて耐衝撃性に富むガラ
ス製電極保護カバーを安価に提供できる。 As mentioned above, the fitting part on the upper end side of the cover body is provided with a vertical groove to facilitate fitting of the corner part, and the fitting part of the annular rib is provided with a vertical rib. Therefore, since the diameter change in the radial direction can be elastically displaced, the manufacturing error in the radial direction of the glass electrode can be absorbed by the cover itself, and the vertical ribs and annular ribs have a strong structure. As a result, the protective cover can be made of a soft synthetic resin material with high elasticity to be thin and lightweight, yet its shape-retaining strength is sufficiently high. Since blow molding is possible without the need for finishing, the protective cover can be mass-produced at an extremely low cost, and the overall result is a glass electrode that is easy to attach and detach, is small, lightweight, and easy to handle, and is extremely impact resistant. Protective covers can be provided at low cost.
第１図は本考案の一実施例を示す全体縦断側面
図、第２図は同上破断正面図、第３図は同上斜視
図、第４図は第１図のＡ−Ａ線断面図、第５図は
従来構造の保護カバーの斜視図である。
１……ガラス製電極、２……内部液補充用角出
部、４……キヤツプ、６……保護カバー、７……
筒状カバー本体、８……縦溝、９……環状リブ、
１０……縦リブ、１１……リブ。
Fig. 1 is an overall vertical sectional side view showing an embodiment of the present invention, Fig. 2 is a cutaway front view of the same, Fig. 3 is a perspective view of the same, Fig. 4 is a sectional view taken along line A-A in Fig. FIG. 5 is a perspective view of a protective cover with a conventional structure. 1...Glass electrode, 2...Corner part for replenishing internal liquid, 4...Cap, 6...Protective cover, 7...
Cylindrical cover body, 8... vertical groove, 9... annular rib,
10...vertical rib, 11...rib.
Claims (1)
し、上端開口にキヤツプを装着した、外面がガラ
ス製の電極の保護カバーであつて、両端が開放さ
れた比較的軟質の合成樹脂材から成り全長が前記
電極のガラス部分よりも長い筒状カバー本体の上
端側の縁部径を、自由状態において前記電極より
も小径に形成すると共に、前記上端側に前記角出
部を受ける縦溝を形成し、この縦溝の底部よりも
下方に、前記電極の周面に外嵌接触する環状リブ
を半径方向内方に凹入成形すると共に、前記縦溝
の底部に連なり且つ前記環状リブを半径方向外方
に向けて膨出成形し、さらに前記カバー本体の上
下両端縁に、半径方向外方に膨出するリブを成形
してあることを特徴とする電極保護カバー。 A protective cover for an electrode whose outer surface is made of glass, with a corner part for replenishing the internal liquid connected near the top end and a cap attached to the top opening, made of a relatively soft synthetic resin material with both ends open. a cylindrical cover main body having a longer overall length than the glass portion of the electrode, the edge diameter of the upper end thereof being smaller than that of the electrode in a free state, and a vertical groove receiving the angular portion on the upper end side; An annular rib is formed inwardly in the radial direction below the bottom of the vertical groove and is in contact with the circumferential surface of the electrode. An electrode protection cover, characterized in that it is molded to bulge outward in the radial direction, and further has ribs that bulge out in the radial direction formed on both upper and lower edges of the cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18359280U JPS6310519Y2 (en) | 1980-12-18 | 1980-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18359280U JPS6310519Y2 (en) | 1980-12-18 | 1980-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57104359U JPS57104359U (en) | 1982-06-26 |
| JPS6310519Y2 true JPS6310519Y2 (en) | 1988-03-29 |
Family
ID=29982993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18359280U Expired JPS6310519Y2 (en) | 1980-12-18 | 1980-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6310519Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6221691B2 (en) * | 2013-11-29 | 2017-11-01 | 東亜ディーケーケー株式会社 | Sensor cap |
-
1980
- 1980-12-18 JP JP18359280U patent/JPS6310519Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57104359U (en) | 1982-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI78039C (en) | HALSFOERSEDD BEHAOLLARE. | |
| JPS6310519Y2 (en) | ||
| KR200244172Y1 (en) | Handle for Storage Battery | |
| JPS5827935Y2 (en) | handle on bottle | |
| JPS5911852Y2 (en) | packaging container | |
| JPH0345846U (en) | ||
| JPS6041907Y2 (en) | rotary electric razor | |
| KR900001835Y1 (en) | Water tank | |
| JP2579716Y2 (en) | Water tank lid | |
| JPS636044Y2 (en) | ||
| JPH0139460Y2 (en) | ||
| JPS635642Y2 (en) | ||
| JPS638257Y2 (en) | ||
| JPS6232877U (en) | ||
| JPH02143587U (en) | ||
| JPH0390842U (en) | ||
| JPH022262Y2 (en) | ||
| JPS62188447U (en) | ||
| JPH0126606Y2 (en) | ||
| JPS6150877U (en) | ||
| JPH0440609Y2 (en) | ||
| JPS62203841U (en) | ||
| JPH0322557U (en) | ||
| JPH0266121U (en) | ||
| JPH0435286U (en) |