JPH0457759U - - Google Patents
Info
- Publication number
- JPH0457759U JPH0457759U JP10117490U JP10117490U JPH0457759U JP H0457759 U JPH0457759 U JP H0457759U JP 10117490 U JP10117490 U JP 10117490U JP 10117490 U JP10117490 U JP 10117490U JP H0457759 U JPH0457759 U JP H0457759U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- piston
- magnet
- fitting
- space
- 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.)
- Granted
Links
- 235000014676 Phragmites communis Nutrition 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 239000010687 lubricating oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Description
第１図は本考案のフローセンサーの１実施例を
示す断面図、第２図は同実施例に用いたシリンダ
金具の拡大斜視図、第３図イ，ロは同実施例にお
けるマグネツトの移動状態を示す説明図、第４図
は同実施例の要部を示す拡大説明図、第５図は本
考案の他の実施例、第６図イ，ロ，ハは同実施例
におけるピストンの移動工程を示す説明図、第７
図は従来例である。
１ａ……貫通孔、１ｂ……一端側、１ｃ……他
端側、２……シリンダ金具、２ａ……大径部、２
ｂ……小径部、２ｃ……ピストン嵌合孔、２ｄ…
…連通路、２ｅ……Ｏリング、３……ピストン、
３ａ……一端面、４……空間、５……バネ、６…
…マグネツト、７……センサ保持孔、８……リー
ドスイツチ、９……感知部、１０，１１……雌ネ
ジ、１２……突壁、１３……流出孔、１４……流
出路、１５……支持具。
Fig. 1 is a sectional view showing one embodiment of the flow sensor of the present invention, Fig. 2 is an enlarged perspective view of the cylinder fitting used in the embodiment, and Fig. 3 A and B are the moving states of the magnet in the same embodiment. FIG. 4 is an enlarged explanatory view showing the main parts of the same embodiment, FIG. 5 is another embodiment of the present invention, and FIGS. 6 A, B, and C are piston movement steps in the same embodiment. Explanatory diagram showing 7th
The figure shows a conventional example. 1a...Through hole, 1b...One end side, 1c...Other end side, 2...Cylinder fitting, 2a...Large diameter part, 2
b...Small diameter part, 2c...Piston fitting hole, 2d...
...Communication path, 2e...O ring, 3...Piston,
3a...One end surface, 4...Space, 5...Spring, 6...
... Magnet, 7 ... Sensor holding hole, 8 ... Reed switch, 9 ... Sensing section, 10, 11 ... Female screw, 12 ... Projection wall, 13 ... Outflow hole, 14 ... Outflow path, 15 ... ...Supports.
Claims (1)
孔内を流れる潤滑油の流れに応じて前後動するマ
グネツト製若しくはマグネツトを内設した被検出
体が内装され、且つこの被検出体は復帰用バネに
よつて一方向へ向かつて付勢されるとともに、前
記貫通孔に隣接してリードスイツチ若しくはホー
ル素子等の磁気検知手段が配置され、前記マグネ
ツトの前後動を磁気検知手段により検知すること
で流体の流れを検知するフローセンサーにおいて
、 長さ方向に沿つて開設されたピストン嵌合孔２
ｃに一端面３ａを受圧面となしたピストン３が嵌
挿され、且つ外周に小径部２ｂが形成されたシリ
ンダ金具２を貫通孔１ａ内に挿入固定し、前記貫
通孔１ａの他端側１ｃより、前記貫通孔１ａより
小径となしたマグネツト６と、このマグネツト６
を一端側に付勢するバネ５を順次挿入してマグネ
ツト６で前記ピストン３を押圧すると共に、上記
シリンダ金具２の小径部２ｂ外面と貫通孔１ａ内
周面との間に形成された空間４を前記他端側１ｃ
とを常時連通させた状態となし、且つピストン３
が一定距離Ｘ摺動したとき、ピストン嵌合孔２ｃ
内空間と前記空間４とを連通させる連通路２ｄを
シリンダ金具２に開設したことを特徴とするフロ
ーセンサー。[Scope of Claim for Utility Model Registration] Inside a through hole provided in the casing, a detected object made of a magnet or having a magnet inside is installed, which moves back and forth according to the flow of lubricating oil flowing through the through hole, The object to be detected is urged toward one direction by a return spring, and a magnetic detection means such as a reed switch or a Hall element is arranged adjacent to the through hole to detect the back and forth movement of the magnet. In a flow sensor that detects the flow of fluid by detecting it with a magnetic detection means, a piston fitting hole 2 opened along the length direction.
A piston 3 having one end surface 3a as a pressure receiving surface is fitted into c, and a cylinder fitting 2 having a small diameter portion 2b formed on the outer periphery is inserted and fixed into the through hole 1a, and the other end side 1c of the through hole 1a is inserted and fixed. Therefore, the magnet 6 has a smaller diameter than the through hole 1a, and the magnet 6 has a diameter smaller than that of the through hole 1a.
A spring 5 is sequentially inserted to bias the piston 3 toward one end, and a magnet 6 presses the piston 3, and the space 4 formed between the outer surface of the small diameter portion 2b of the cylinder fitting 2 and the inner circumferential surface of the through hole 1a is the other end side 1c
and the piston 3 is in constant communication with the piston 3.
When the piston fitting hole 2c slides a certain distance
A flow sensor characterized in that a communication path 2d is provided in the cylinder fitting 2 to communicate an inner space with the space 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10117490U JPH0617081Y2 (en) | 1990-09-26 | 1990-09-26 | Flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10117490U JPH0617081Y2 (en) | 1990-09-26 | 1990-09-26 | Flow sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0457759U true JPH0457759U (en) | 1992-05-18 |
| JPH0617081Y2 JPH0617081Y2 (en) | 1994-05-02 |
Family
ID=31844402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10117490U Expired - Lifetime JPH0617081Y2 (en) | 1990-09-26 | 1990-09-26 | Flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0617081Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006161852A (en) * | 2004-12-02 | 2006-06-22 | Smc Corp | Lubricating oil supply detection device |
-
1990
- 1990-09-26 JP JP10117490U patent/JPH0617081Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006161852A (en) * | 2004-12-02 | 2006-06-22 | Smc Corp | Lubricating oil supply detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0617081Y2 (en) | 1994-05-02 |
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