JP2519113Y2 - Hydraulic pressure sensor mounting structure - Google Patents
Hydraulic pressure sensor mounting structureInfo
- Publication number
- JP2519113Y2 JP2519113Y2 JP40514390U JP40514390U JP2519113Y2 JP 2519113 Y2 JP2519113 Y2 JP 2519113Y2 JP 40514390 U JP40514390 U JP 40514390U JP 40514390 U JP40514390 U JP 40514390U JP 2519113 Y2 JP2519113 Y2 JP 2519113Y2
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- pressure
- mounting structure
- contact surface
- recess
- 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 - Lifetime
Links
Landscapes
- Measuring Fluid Pressure (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、液圧機器に付設する液
圧センサの取り付け構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a hydraulic sensor attached to a hydraulic device.
【０００２】[0002]
【従来の技術】液圧機器に付設する液圧センサは例えば
図３に示すような方法で取り付けられる。すなわち、機
器のボディ１に形成した凹部２の内側にセンサ本体３を
挿入して先端を凹部２の底部に押し当て、センサ本体３
の背面に保持部材としてのフランジ４を当接させ、この
フランジ４をボルト１２でボディ１に係止している。2. Description of the Related Art A hydraulic pressure sensor attached to a hydraulic device is mounted, for example, by the method shown in FIG. That is, the sensor body 3 is inserted inside the recess 2 formed in the body 1 of the device, and the tip is pressed against the bottom of the recess 2 so that the sensor body 3
A flange 4 serving as a holding member is brought into contact with the back surface of the above, and the flange 4 is locked to the body 1 with a bolt 12.
【０００３】ボディ１には凹部２に至る導圧通路５が形
成され、センサ本体３には導圧通路５に連通して歪みゲ
ージ６に至る圧力導入孔７が形成される。歪ゲージ６の
出力はフランジ４を貫通するリード線８により外部へと
導かれる。なお、センサ本体３の外周部には凹部２に摺
接して導圧通路５の液体の漏出を阻止するＯリング９が
装着される。A pressure guiding passage 5 reaching the recess 2 is formed in the body 1, and a pressure introducing hole 7 communicating with the pressure guiding passage 5 and reaching the strain gauge 6 is formed in the sensor body 3. The output of the strain gauge 6 is guided to the outside by a lead wire 8 penetrating the flange 4. An O-ring 9 is attached to the outer peripheral portion of the sensor body 3 so as to be in sliding contact with the recess 2 and prevent the liquid from leaking from the pressure guiding passage 5.
【０００４】また、図４に示すようにフランジ４の代わ
りに凹部２の内周に螺合する取付ねじ１０を用いてセン
サ本体４を凹部２の底部に押圧保持するとともに、Ｏリ
ング９に代えてガスケット１１をセンサ本体３と凹部２
の間に介装する構造も知られている。Further, as shown in FIG. 4, a mounting screw 10 which is screwed onto the inner periphery of the recess 2 is used in place of the flange 4 to press and hold the sensor body 4 on the bottom of the recess 2 and to replace the O-ring 9. The gasket 11 to the sensor body 3 and the recess 2
It is also known to have a structure interposed between.
【０００５】[0005]
【考案の課題】いずれの場合も、導圧通路５の液体がボ
ディ１とセンサ本体３の間から漏出しないように、これ
らの間にＯリング９やガスケット１１などのシール部材
を備えているが、これらのシール部材は対象とする液体
の性質や温度による劣化を起こしにくい材質のものを選
ばなければならず、また取り付け時にこれらのシール部
材のセットミスや取り付け忘れを起こすとトラブルの要
因となるので取付作業にも十分な注意が必要であった。In either case, a seal member such as an O-ring 9 or a gasket 11 is provided between the body 1 and the sensor body 3 so as to prevent the liquid in the pressure passage 5 from leaking between them. , These sealing members must be selected from materials that are not likely to deteriorate due to the properties of the target liquid or temperature, and if these sealing members are set incorrectly or are forgotten to be installed, it may cause trouble. Therefore, it was necessary to pay sufficient attention to the mounting work.
【０００６】本考案は、シール部材の使用に付随する上
記負担を軽減すべくなされたもので、シール部材を必要
としない液圧センサの取付構造を実現することを目的と
する。The present invention has been made in order to reduce the above-mentioned burden associated with the use of a seal member, and an object thereof is to realize a mounting structure for a hydraulic pressure sensor which does not require a seal member.
【０００７】[0007]
【課題を達成するための手段】本考案は、ボディに形成
した凹部に圧力導入孔を備えたセンサ本体を挿入し、ボ
ディに係止された保持部材により圧力導入孔がボディ内
部の導圧通路と連通する位置にセンサ本体を保持する液
圧センサの取付構造において、センサ本体の圧力導入孔
の内径を先端方向にテーパ状に拡大し、このテーパ部に
当接する同形の当接面をボディの導圧通路の開口部周囲
に形成する一方、テーパ部を当接面に押し付ける押圧部
を前記保持部材に形成している。According to the present invention, a sensor main body having a pressure introducing hole is inserted into a recess formed in a body, and the pressure introducing hole is provided inside the body by a holding member locked to the body. In the mounting structure of the hydraulic sensor that holds the sensor body in a position that communicates with the sensor body, the inner diameter of the pressure introduction hole of the sensor body is tapered in the distal direction, and the contact surface of the same shape that abuts this tapered portion is A pressing portion for pressing the tapered portion against the contact surface is formed on the holding member while being formed around the opening of the pressure guiding passage.
【０００８】[0008]
【作用】保持部材がセンサ本体のテーパ部をボディに形
成した同形の当接面に押しつけることによりこれらが隙
間なく密着し、センサ本体とボディの間から液体が漏出
するのを阻止する。The holding member presses the taper portion of the sensor main body against the contact surface of the same shape formed on the body so that they closely contact each other without a gap and prevent liquid from leaking from between the sensor main body and the body.
【０００９】[0009]
【実施例】図１及び図２に本考案の実施例を示す。1 and 2 show an embodiment of the present invention.
【００１０】図１に示すように、センサ本体３は圧力導
入孔６の内径を先端方向に徐々に拡大させたテーパ部１
３を備える。As shown in FIG. 1, the sensor body 3 has a tapered portion 1 in which the inner diameter of the pressure introducing hole 6 is gradually enlarged in the distal direction.
3 is provided.
【００１１】また、ボディ１の凹部２には導圧通路５の
開口部の周囲にテーパ部１３の内側に嵌合する同形の当
接面１４を形成する。In the recess 2 of the body 1, a contact surface 14 of the same shape is formed around the opening of the pressure guiding passage 5 so as to fit inside the tapered portion 13.
【００１２】センサ本体３は中空の取付ねじ１０の中空
部に収装される。取付ねじ１０の先端外周部は凹部２の
内周に螺合し、中空部の先端にはテーパ部１３を当接面
１４に向けて押圧するテーパ面を備えた押圧部１５が形
成される。The sensor body 3 is housed in the hollow portion of the hollow mounting screw 10. An outer peripheral portion of the tip of the mounting screw 10 is screwed into the inner periphery of the recess 2, and a pressing portion 15 having a tapered surface for pressing the tapered portion 13 toward the contact surface 14 is formed at the distal end of the hollow portion.
【００１３】センサ本体３の圧力導入孔６の底部の裏側
には歪みゲージ７が取り付けられ、歪みゲージ７の出力
を取り出すリード線８が歪みゲージ７を保護すべくセン
サ本体３に付着した保護キャップ１６を貫通して外部へ
と取り出される。A strain gauge 7 is attached to the back side of the bottom of the pressure introducing hole 6 of the sensor body 3, and a lead wire 8 for taking out the output of the strain gauge 7 is attached to the sensor body 3 to protect the strain gauge 7. It is penetrated through 16 and taken out.
【００１４】次に作用を説明する。Next, the operation will be described.
【００１５】ボディ１にこの液圧センサを装着する場合
は、中空部にセンサ本体３を収装した取付ねじ１０を凹
部２の内周に螺合させて回転操作する。When mounting the hydraulic pressure sensor on the body 1, the mounting screw 10 having the sensor body 3 housed in the hollow portion is screwed into the inner periphery of the recess 2 to be rotated.
【００１６】この操作により取付ねじ１０は凹部２の底
部に向けて前進し、やがて先端の押圧部１５がセンサ本
体３のテーパ部１３を凹部２の底部の当接面１４に圧着
させる。By this operation, the mounting screw 10 advances toward the bottom of the recess 2, and the pressing portion 15 at the tip eventually presses the taper portion 13 of the sensor body 3 against the contact surface 14 of the bottom of the recess 2.
【００１７】この結果、センサ本体３の圧力導入孔６が
ボディ１の導圧通路５に連続する一方、導圧通路５と圧
力導入孔６が凹部２から密閉される。なお、テーパ部１
３と当接面１４は同様の形状に形成されているので圧着
面積が大きく、また取付ねじ１０を締め付けることによ
り圧着力も十分に確保できるので特別のシール部材は必
要なく、簡単な取付操作のみで良好な密閉状態が得られ
る。As a result, the pressure introducing hole 6 of the sensor body 3 is continuous with the pressure guiding passage 5 of the body 1, while the pressure guiding passage 5 and the pressure introducing hole 6 are sealed from the recess 2. The tapered portion 1
Since 3 and the contact surface 14 are formed in the same shape, the crimping area is large, and the crimping force can be sufficiently secured by tightening the mounting screw 10, so that no special sealing member is required and only a simple mounting operation is required. A good sealed state can be obtained.
【００１８】なお、この実施例ではセンサ本体３はあら
かじめ取付ねじ１０と一体化され、分離できない構造と
なっているが、図２に示すように取付ねじ１０の中空部
の径をセンサ本体３の基端部の径より大きく設定するこ
とにより、これらを分離自由に構成することができる。In this embodiment, the sensor body 3 is integrated with the mounting screw 10 in advance so that it cannot be separated. However, as shown in FIG. 2, the hollow portion of the mounting screw 10 has a diameter equal to that of the sensor body 3. By setting the diameter larger than the diameter of the base end portion, these can be freely separated.
【００１９】[0019]
【考案の効果】以上のように本考案は、保持部材がセン
サ本体のテーパ部を導圧通路の開口部周囲の同形の当接
面に押し付けるようにしたので、広い圧着面積と高い圧
着力が得られ、シール部材を使用せずに簡単な取付操作
で良好な密閉状態を得ることができる。As described above, according to the present invention, since the holding member presses the taper portion of the sensor body against the contact surface of the same shape around the opening of the pressure guiding passage, a wide crimping area and a high crimping force can be obtained. It is possible to obtain a good sealed state by a simple mounting operation without using a sealing member.
【図１】本考案の実施例を示す液圧センサの縦断面図で
ある。FIG. 1 is a vertical sectional view of a hydraulic pressure sensor showing an embodiment of the present invention.
【図２】別の実施例を示す液圧センサの縦断面図であ
る。FIG. 2 is a vertical cross-sectional view of a hydraulic sensor showing another embodiment.
【図３】従来例を示す液圧センサの縦断面図である。FIG. 3 is a vertical cross-sectional view of a hydraulic pressure sensor showing a conventional example.
【図４】別の従来例を示す液圧センサの縦断面図であ
る。FIG. 4 is a vertical cross-sectional view of a hydraulic sensor showing another conventional example.
１ ボディ ２ 凹部 ３ センサ本体 ５ 導圧通路 ６ 圧力導入孔 １０ フランジ １３ テーパ部 １４ 当接面 １５ 押圧部 DESCRIPTION OF SYMBOLS 1 Body 2 Recess 3 Sensor body 5 Pressure guide passage 6 Pressure introduction hole 10 Flange 13 Tapered portion 14 Contact surface 15 Pressing portion
Claims (1)
えたセンサ本体を挿入し、ボディに係止された保持部材
により圧力導入孔がボディ内部の導圧通路と連通する位
置にセンサ本体を保持する液圧センサの取付構造におい
て、センサ本体の圧力導入孔の内径を先端方向にテーパ
状に拡大し、このテーパ部に当接する同形の当接面をボ
ディの導圧通路の開口部周囲に形成する一方、テーパ部
を当接面に押し付ける押圧部を前記保持部材に形成した
ことを特徴とする液圧センサの取付構造。1. A sensor main body having a pressure introducing hole is inserted into a recess formed in the body, and the sensor main body is placed at a position where the pressure introducing hole communicates with a pressure guiding passage inside the body by a holding member locked to the body. In the mounting structure of the hydraulic pressure sensor to be held, the inner diameter of the pressure introduction hole of the sensor body is enlarged in the tip direction in a taper shape, and a contact surface of the same shape that abuts this tapered portion is provided around the opening of the pressure guiding passage On the other hand, a mounting structure for the hydraulic sensor, wherein a pressing portion for pressing the tapered portion against the contact surface is formed on the holding member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40514390U JP2519113Y2 (en) | 1990-12-27 | 1990-12-27 | Hydraulic pressure sensor mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40514390U JP2519113Y2 (en) | 1990-12-27 | 1990-12-27 | Hydraulic pressure sensor mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04110939U JPH04110939U (en) | 1992-09-25 |
| JP2519113Y2 true JP2519113Y2 (en) | 1996-12-04 |
Family
ID=31931172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40514390U Expired - Lifetime JP2519113Y2 (en) | 1990-12-27 | 1990-12-27 | Hydraulic pressure sensor mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2519113Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012526290A (en) * | 2009-05-11 | 2012-10-25 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | High pressure sensor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5485049B2 (en) * | 2010-07-08 | 2014-05-07 | 三菱重工業株式会社 | Pressure tube mounting structure |
| CN114279623B (en) * | 2021-12-25 | 2023-12-26 | 深圳市天威达电子有限公司 | High-adaptability hydraulic sensor |
-
1990
- 1990-12-27 JP JP40514390U patent/JP2519113Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012526290A (en) * | 2009-05-11 | 2012-10-25 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | High pressure sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04110939U (en) | 1992-09-25 |
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