JPS62182625A - Electronic balance - Google Patents
Electronic balanceInfo
- Publication number
- JPS62182625A JPS62182625A JP31256886A JP31256886A JPS62182625A JP S62182625 A JPS62182625 A JP S62182625A JP 31256886 A JP31256886 A JP 31256886A JP 31256886 A JP31256886 A JP 31256886A JP S62182625 A JPS62182625 A JP S62182625A
- Authority
- JP
- Japan
- Prior art keywords
- hole
- case
- arm
- load cell
- receiving arm
- 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
- 238000005303 weighing Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 12
- 239000000428 dust Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は電子秤、詳しくは被計量物の重量を重量検出部
材により電気的に計測するようにした電子秤であって、
とくに重量検出部材を内蔵するケース上面のシール構造
に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to an electronic scale, specifically an electronic scale that electrically measures the weight of an object to be weighed using a weight detection member,
In particular, it relates to a seal structure on the top surface of a case containing a built-in weight detection member.
（従来技術とその問題点）
従来の電子秤は、重量検出部材を内蔵せるケースの上面
に通孔を開口し、該通孔を介し重量検出部材に連結せる
皿受は腕を上方に突出し、その上端に計量皿を連結して
取付ける構造である。(Prior art and its problems) In a conventional electronic scale, a through hole is opened in the upper surface of a case in which a weight detecting member is housed, and a plate holder connected to the weight detecting member through the through hole has an arm that protrudes upward. It has a structure in which a weighing pan is connected and attached to its upper end.
上記電子秤においては、重量検出部材、とくにロードセ
ルを用いる場合にそのストレンゲージ貼付部分は湿気に
弱く、ストレンゲージが吸湿するとストレンゲージと起
歪体との間の絶縁性が悪くなり精度や耐久性が低下する
問題がある。In the above-mentioned electronic scale, when a weight detection member, especially a load cell, is used, the part where the strain gauge is attached is susceptible to moisture, and if the strain gauge absorbs moisture, the insulation between the strain gauge and the strain element deteriorates, resulting in poor accuracy and durability. There is a problem that the value decreases.
又、ケース内に塵埃その他の異物が侵入して重量検出部
材の配線部品が損われる不具合がある。Further, there is a problem in that dust and other foreign matter may enter the case and damage the wiring components of the weight detection member.
しかるに上記従来構造においては、重量検出部材を内蔵
するケースは可能なかぎり開口部を少なくしているが、
前記皿受は腕を貫通させるための通孔は必要な開口部で
あり、この通孔の皿受は腕まわりの間隙を通して水や塵
埃その他の異物が侵入する不具合を解消し得ない。However, in the above conventional structure, the case housing the weight detection member has as few openings as possible;
The plate holder is a necessary opening for the arm to pass through, and the plate holder with this through hole cannot solve the problem of water, dust, and other foreign matter entering through the gap around the arm.
（発明の目的）
本発明は斯る従来事情に鑑み、秤の計量機能を低下させ
ることなく、通孔を封鎖してケース内のシール性を高め
、計量精度及び耐久性に優れた秤構造を提供せんとする
ことを目的とする。(Purpose of the Invention) In view of the conventional circumstances, the present invention provides a scale structure that seals the through hole to improve the sealing performance inside the case without reducing the weighing function of the scale, and has excellent weighing accuracy and durability. The purpose is to provide
（発明の構成）
祈る本発明の電子秤は、ケース上面と計量皿との間に通
孔から突出する皿受は腕を包囲して通孔を封鎖する可撓
性カバーを装着せしめたことを特徴とする。(Structure of the Invention) In the electronic scale of the present invention, the dish holder protruding from the through hole between the top surface of the case and the weighing pan is fitted with a flexible cover that surrounds the arm and closes the through hole. Features.
（実施例）
本発明の実施例を図面により説明すれば、図は電子秤の
主要部を示し、（１）はケース、（２）は計量皿、（３
）はロードセルである。(Example) An example of the present invention will be described with reference to the drawings. The figure shows the main parts of an electronic scale, where (1) is a case, (2) is a weighing pan, and (3) is a case.
) is a load cell.
ケース（１）はプラスチックあるいは金属製の箱体であ
り、内部にロードセル（３）を設置するとともに上面に
通孔（４）を開口してなる。The case (1) is a box made of plastic or metal, and has a load cell (3) installed therein and a through hole (4) opened in the upper surface.
ロードセル（３）は起歪体の上下両面にストレンゲージ
（５）（５）・・・を貼着し、その一端にかかる荷重を
電気的に計測する重量検出部材である。The load cell (3) is a weight detection member that has strain gauges (5) (5) attached to both the upper and lower surfaces of a strain body and electrically measures the load applied to one end of the strain gauges.
ロードセル（３）はその支点側に取付部材（６）を設け
、荷重側に皿受は腕（７）を設け、取付部材（６）をケ
ース（１）を介してベース（８）に取付けるとともに皿
受は腕（７）を前記通孔（４）を通してケース（１）上
面に突出させ、この皿受は腕（７）の上端に計量皿（２
）を取付ける。The load cell (3) is provided with a mounting member (6) on its fulcrum side, the plate support is provided with an arm (7) on the load side, and the mounting member (6) is attached to the base (8) via the case (1). The plate holder has an arm (7) protruding from the upper surface of the case (1) through the through hole (4), and this plate holder has a measuring plate (2) at the upper end of the arm (7).
).
上記ケース（１）上に突出する皿受は腕（７）には可撓
性を有するベローズからなるカバーａ＊を被嵌せしめ、
そのカバー（１０の上部縁をパツキン＜１１）、押え仮
（６）及びビス（至）によって計量皿（２）下面にｅｌ
Ｉｌｉ結固定し、カバー（ト）の下部縁をパツキン（Ｌ
ｖ１押え仮韓及びビスキによって通孔（４）周辺のケー
ス（１）上面に固着する。The arm (7) of the plate holder protruding above the case (1) is fitted with a cover a* made of a flexible bellows,
The upper edge of the cover (10) is attached to the underside of the weighing pan (2) using a packing <11), a presser foot (6), and a screw (to).
Tie and secure the lower edge of the cover (G) with a gasket (L).
Fix to the upper surface of the case (1) around the through hole (4) using the v1 presser and screw.
而して上記カバーα唱１計量皿（２）とケース（１）上
面との間に介在し、ケース（１）上に突出する皿受は腕
（７）を包囲して通孔（４）を封鎖する。The plate holder, which is interposed between the weighing pan (2) of the cover (1) and the top surface of the case (1) and projects above the case (1), surrounds the arm (7) and is connected to the through hole (4). blockade.
従って、通孔（４）の内面と皿受は腕（７）との間に間
１ｉｆｔ （４７が形成されているが、核間−（４）か
ら水や塵埃などの異物侵入を防止し、ケース（１）上面
を完全にシールする。Therefore, a gap (47) is formed between the inner surface of the through hole (4) and the arm (7), but this prevents foreign substances such as water and dust from entering from the core space (4). Completely seal the top of case (1).
尚、上記ケース（１）内及びカバー〇〇内には、図示し
ないが防湿性を有するシリコングリース等の油を収容し
ておくことも任意である。Incidentally, although not shown, it is optional to store oil such as silicone grease having moisture-proof properties in the case (1) and the cover 〇〇.
又、実施例において、重量検出部材はロードセル（３）
に直接に皿受は腕（７）を取付けた場合を示したが、従
来知られるようにロードセル上に該ロードセルと係着し
た皿受は台を設け、この皿受は台上に複数の皿受は腕を
突設させた構造とすることもよく、その場合に、皿受は
腕を通す通孔も複数となるので、各通孔毎に前記カバー
を装着するようにする。In addition, in the embodiment, the weight detection member is a load cell (3)
Although the case is shown in which the plate holder arm (7) is attached directly to the load cell, as is conventionally known, a plate holder that is connected to the load cell is provided with a stand, and this plate holder can be used to attach a plurality of plates on the stand. The receiver may have a structure with protruding arms, and in that case, the tray receiver will have a plurality of holes through which the arms pass, so the cover is attached to each hole.
その−例を第２図に図示すると、その構成はロードセル
（３）の支点側をＬ字形の取付部材（６γを介して台板
α→に取付け、該ロードセル（３）の荷重側にはＬ字形
の支持部材（ト）が取付けられ、その支持部材ｏＦＪに
皿受支柱（ロ）、ａｑが起立固着され、その先端に計量
皿（２）が取付けられている。枠体αηは前記ロードセ
ル（３）等の重量検出部を被うケースで、上面に皿受支
柱αＱ、韓が貫通する通孔（２）が開設されており、そ
の通孔（ＩＩを貫通して突出した皿受支柱＜１０、ａｑ
を被うように枠体αカ上面と計量皿（２）との間をベロ
ーズからなるカバーα０で連結している。依って、枠体
αη上面には通孔が無く、ゴミ、水等が枠体内に入るの
を防止でき、それによって重量検出部の精度を長期に渉
って維持できる。An example of this is shown in Fig. 2. The structure is such that the fulcrum side of the load cell (3) is attached to the base plate α→ via an L-shaped attachment member (6γ), and the load side of the load cell (3) is attached to the base plate α→. A letter-shaped support member (G) is attached, and a pan support post (B) and aq are fixed upright to the support member oFJ, and a weighing pan (2) is attached to the tip of the support member oFJ.The frame αη is connected to the load cell ( In the case that covers the weight detection part such as 3), there is a through hole (2) on the top surface through which the pan support post αQ and han pass through, and the pan support post that protrudes through the through hole (II) 10, aq
A cover α0 made of bellows connects the upper surface of the frame α and the weighing pan (2) so as to cover it. Therefore, there is no through hole in the upper surface of the frame αη, and it is possible to prevent dust, water, etc. from entering the frame, thereby maintaining the accuracy of the weight detection section over a long period of time.
又、ケースを上下２分割にした構造とすることも自由で
ある。また、ロードセル以外に秤を構成するに必要な部
品、例えばロードセルのみでなく、電源部やＡ／Ｄ、ロ
ーシック基板等を合わせもつ秤にあっては、これらをロ
ードセル同様、ケース内部に収納する事も勿論である。Furthermore, it is also possible to have a structure in which the case is divided into upper and lower halves. In addition, for scales that have parts necessary to configure the scale other than the load cell, for example, not only the load cell, but also a power supply, A/D, low-sick board, etc., these should be stored inside the case like the load cell. Of course.
更にまた、秤の設定方法は垂直な壁に取り付ける場合に
限らす、テーブルや床に置いたり、吊り下げたり、その
方法は任意である。Furthermore, the method of setting the scale is limited to the case where it is attached to a vertical wall, it can be placed on a table or the floor, it can be hung, or any other method is available.
（効果）
本発明によれば、ケース上面の通孔がカバーによって封
鎖されるので、該通孔を通して水分の侵入を防止し、重
量検出部材の防湿機ｈ′じを有するとともに塵埃その他
の異物の侵入をも防止し配線部品などを保護する。(Effects) According to the present invention, since the through hole on the upper surface of the case is closed by the cover, it is possible to prevent moisture from entering through the through hole, and to prevent dust and other foreign substances from entering the weight detecting member. It also prevents intrusion and protects wiring components, etc.
又、カバーが可撓性を有するので、計量皿から重量検出
部材への重量伝達には何ら影響を及ぼさない。Furthermore, since the cover is flexible, it does not affect the weight transmission from the weighing pan to the weight detection member.
従って、計量精度及び耐久性に優れた電子秤を提供し、
所期の目的を達成し得る。Therefore, we provide an electronic scale with excellent weighing accuracy and durability.
The intended purpose can be achieved.
第１図は本発明電子秤の主要部を示すＩＩＪｉ面図、第
２図は池の変形例を示す）！ｉ面図である。
図中、（１）はケース、（２）は３Ｅ量皿、（３）はロ
ードセル、（４）、（財）は通孔、（７）は皿受は腕、
（ト）はカバーである。Fig. 1 is a plane view showing the main parts of the electronic scale of the present invention, and Fig. 2 shows a modified example of the pond)! It is an i-side view. In the figure, (1) is the case, (2) is the 3E volume plate, (3) is the load cell, (4) is the through hole, (7) is the plate holder is the arm,
(G) is a cover.
Claims (1)
該通孔を介し重量検出部材に連結せる皿受け腕を上方に
突出して計量皿に連結した電子秤において、前記ケース
上面と計量皿との間に通孔から突出する皿受け腕を包囲
して通孔を封鎖する可撓性カバーを装着せしめた電子秤
。A through hole is opened on the top surface of the case that houses the weight detection member,
In an electronic scale in which a pan holder arm connected to a weight detection member through the through hole projects upward and is connected to a weighing pan, the pan holder arm protruding from the through hole is surrounded between the top surface of the case and the weighing pan. An electronic scale equipped with a flexible cover that seals the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31256886A JPS62182625A (en) | 1986-12-25 | 1986-12-25 | Electronic balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31256886A JPS62182625A (en) | 1986-12-25 | 1986-12-25 | Electronic balance |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7115683A Division JPS59196432A (en) | 1983-04-21 | 1983-04-21 | Humidity preventing structure of load cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62182625A true JPS62182625A (en) | 1987-08-11 |
Family
ID=18030783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31256886A Pending JPS62182625A (en) | 1986-12-25 | 1986-12-25 | Electronic balance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62182625A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02167434A (en) * | 1988-09-07 | 1990-06-27 | Ishida Scales Mfg Co Ltd | Water-proof type automatic weighing device |
-
1986
- 1986-12-25 JP JP31256886A patent/JPS62182625A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02167434A (en) * | 1988-09-07 | 1990-06-27 | Ishida Scales Mfg Co Ltd | Water-proof type automatic weighing device |
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