CN2650062Y - Sealed limit converter - Google Patents
Sealed limit converter Download PDFInfo
- Publication number
- CN2650062Y CN2650062Y CN 200320109336 CN200320109336U CN2650062Y CN 2650062 Y CN2650062 Y CN 2650062Y CN 200320109336 CN200320109336 CN 200320109336 CN 200320109336 U CN200320109336 U CN 200320109336U CN 2650062 Y CN2650062 Y CN 2650062Y
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- CN
- China
- Prior art keywords
- gag lever
- lever post
- fixed cover
- friction top
- enclosure
- 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
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Abstract
The utility model relates to an equipment associated with an induction sensor, in particular to a sealing type restricting converter, which is arranged with an O-groove on a fixing sleeve, a restricting rod is linked with the fixing sleeve through an O-ring seal in the groove, the restricting rod is equipped with a salient piston, the piston has a diameter matched with that of a guide hole of the fixing sleeve and formed a clearance fit. The other end of the fixing sleeve is threaded with a clamping cap. The inside of the clamping cap is equipped with an axial cylindrical hole with a thread hole out of the clamping cap. A spring is arranged between the piston of the restricting rod and the clamping cap. The utility model is threaded with the induction sensor, the sensing surface of induction sensor can be switched from the open type into the enclosed type, the main components are effectively protected, the service life of the main components is prolonged, the restriction and detection control for moving objects in liquid media such as acid, alkali and oil etc is prolonged, thereby effectively enlarging the application range of the induction sensor.
Description
Technical field
The utility model is relevant with the spacing control technology of moving Object Detection, relates to a kind of and the matching used equipment of inductance type transducer, is applicable to the spacing detection control of the mobile object of any environment.
Background technology
At present, the employed spacing detection gauge tap of the spacing control of the detection of mobile object is mainly contained two kinds, a kind of is the contact limit switch, and another kind is an inductance type transducer.
There is following defective in the contact limit switch: 1. because when work, its contact spring sheet needs motion repeatedly, and produce the electric shock spark in the moment of power connection, spring leaf is worn, cause its loss of elasticity, contact switch is malfunctioning.2. itself material and Technology for Heating Processing of contact spring sheet requires highly, makes spring leaf change difficulty, often causes its integral body to be scrapped in advance because of spring leaf loses efficacy.3. this kind limit switch appearance structure is bigger, adjusts difficulty, and on-the-spot the installation is restricted often, to such an extent as to utilization factor is low.4. only be applicable in the air dielectric owing to its operating characteristic, can't be applied to the spacing control of detection of mobile object in acid, alkali, the wet goods liquid medium.
Inductance type transducer, although its integrated degree height, volume is little, installs easy to adjustly, just present, this sensor can only be worked under open state, outside promptly its sensitive surface is exposed to, very easily is subjected to the interference of environment foreign material.In case electric conductor or metal particle are fallen on its sensitive surface, will cause that electromagnetic field changes, and produces wrong output signal; Its sensitive surface also is subjected to the bump of external object easily simultaneously, makes its sensitive surface impaired.In addition, the spacing mobile object of required detection also must be an electric conductor, otherwise can't form electromagnetic induction and send required control signal, and this just makes its application be subjected to great limitation.Detection for mobile object in acid, alkali, the wet goods liquid medium is spacing, because of its sensitive surface is vulnerable to corrode or the interference of metallic impurity can't be used at all.
Summary of the invention
For overcoming the problems that limit switch and inductance type transducer exist in the prior art, the utility model provides a kind of enclosure-type spacing converter, it is organically combined with inductance type transducer, supporting use, make inductance type transducer its sensitive surface of when work be converted to closedly, fundamentally overcome short, defectives such as reliability is low, restricted application in its serviceable life by open.In addition,, so not only can carry out spacing control, also can realize the spacing control of detection simultaneously mobile object in the various liquid mediums to conductor and nonconductor mobile object because the gag lever post of the spacing converter of enclosure-type is a metallic conductor.
The technical scheme that its technical matters that solves the utility model adopts is: the spacing converter of a kind of enclosure-type, its fixed cover are provided with O type groove, and gag lever post is by being arranged at O type ring sealed attachment in the groove on fixed cover.Gag lever post is provided with outstanding piston, and the pilot hole diameter of the diameter of piston and fixed cover is complementary, and becomes clearance fit.The other end of fixed cover and a friction top are coupled to each other by screw thread.Axial inboard along friction top is provided with a cylindrical hole, and the outside is provided with a threaded hole.Described spring is arranged between the piston and friction top of gag lever post.
The beneficial effects of the utility model are: because the gag lever post of the spacing converter of enclosure-type and fixed cover be by O type ring sealed attachment, between fixed cover and the friction top and the threaded hole on the friction top be fine thread, played the effect that seals effectively.After the threaded hole of inductance type transducer and friction top is coupled to each other, just make inductance type transducer sensitive surface by open be converted to closed.Thereby reached the purpose of protection inductance type transducer key position, avoided interference and the damage of introduced contaminants or foreign material, guaranteed the sensitivity and the accuracy of inductance type transducer, improved its serviceable life inductance type transducer.And then inductance type transducer can be applied in the liquid medium safely and reliably, realize spacing detection control to the mobile object in acid, alkali, the wet goods liquid medium.In addition, because the gag lever post of the spacing converter of enclosure-type is a metallic conductor, so no matter required the object of detection control be conductor or nonconductor, all can satisfy the connecting and disconnecting of the electromagnetic field variation realization output signal of inductance type transducer, and then enlarge the spacing detection control field of inductance type transducer by means of gag lever post.
Description of drawings
Fig. 1 is the structural representation of the spacing converter of the utility model enclosure-type.
Fig. 2 is spacing converter of enclosure-type and inductance type transducer assembly structure synoptic diagram.
Among the figure, 1. gag lever post, 2.O type ring, 3. fixed cover, 4. spring, 5. hold-down nut, 6. friction top, the 7. piston of gag lever post, the 8. pilot hole of fixed cover, 9. the inboard cylindrical hole of friction top, 10. friction top outside screw hole, 11. set nuts, 12. signal wire, 13. inductance type transducer, 14. mobile objects, 15. supports.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
In Fig. 1, the spacing converter of a kind of enclosure-type, its fixed cover 3 is provided with O type groove, and gag lever post 1 is by being arranged at O type ring 2 sealed attachment in the groove on fixed cover 3.Gag lever post 1 is provided with outstanding piston 7, and the diameter of the diameter of piston 7 and the pilot hole of fixed cover 8 is complementary.The other end of fixed cover 3 and friction top 6 are coupled to each other by screw thread, are provided with a cylindrical hole 9 along the axial inboard of friction top 6, and the outside is provided with a threaded hole 10.Described spring 4 is arranged between the piston 7 and friction top 6 of gag lever post.The aperture of cylindrical hole 9 is slightly larger than the bar footpath of gag lever post 1 on the described friction top 6, so that the axially-movable of gag lever post 1, its hole depth should be complementary with the range of gag lever post 1.
For guaranteeing sealing, faying face that fixed cover 3 and friction top 6 are coupled to each other and the threaded hole 10 on the friction top 6 are fine thread.The external diameter of fixed cover 3 can be designed to plurality of specifications according to actual needs.The selection of spring 4 can easily reset in the time of should satisfying gag lever post 1 work naturally.Consider the convenience of installation, it is cylindrical that the outside surface of fixed cover 3 is made perfect thread, and the outboard end of friction top 6 is set to circle or regular polygon, is preferably regular hexagon.Two hold-down nuts 5 can be adjusted flexibly, are convenient to install and fix.
For enlarging the scope of detected mobile object, gag lever post 1 is made by metallic conductor, and itself and detected mobile object 14 contacted external end heads are semicircle.In practice, can be as required, the external end head of gag lever post 1 is set to various ways, as oblique angle face etc.When detected mobile object 14 also can be provided with a small sheave in the termination of gag lever post 1 at upper and lower when mobile, to reduce of the wearing and tearing of detected mobile object 14 to its end.
In the embodiment shown in Figure 2, the spacing converter of enclosure-type is installed on the required support 15, and adjust and the distance back of 14 of the mobile objects of the spacing control of required detection fixing with hold-down nut 5, the inductance type transducer 13 that will be complementary with it again is installed in the threaded hole 10 of friction top 6, adjusts usefulness set nut 11 lockings behind the position.In Manufacturing Automated process, when the mobile object 14 (no matter being conductor or nonconductor) of the spacing control of required detection is displaced to the gag lever post 1 that promotes the spacing converter of enclosure-type, then gag lever post 1 moves to left to the sensitive surface near inductance type transducer 13 along the pilot hole 8 of fixed cover 3.When the spacing mobile object 14 of required control reaches displacement limits, the left end of gag lever post 1 enters into the induction range of inductance type transducer 10, inductance type transducer 10 produces electromagnetic induction and connection signal, promptly export the signal that a mobile object 14 has put in place, thereby realize the purpose of the detection control that puts in place of mobile object.
After the mobile object 14 of the spacing control of required detection leaves the spacing converter of enclosure-type, its gag lever post 1 is in the axial sensitive surface away from inductance type transducer 13 of the effect lower edge of spring 4 fixed cover 3, gag lever post 1 resets, and inductance type transducer 13 disconnects output signal because of electromagnetic induction disappears.
Claims (5)
1. spacing converter of enclosure-type, bag Chinese juniper gag lever post, spring, fixed cover and hold-down nut, it is characterized in that: described fixed cover is provided with O type groove, and gag lever post is by being arranged at O type ring sealed attachment in the groove on fixed cover; Gag lever post is provided with outstanding piston, and the pilot hole diameter of the diameter of piston and fixed cover is complementary, and becomes clearance fit; The other end of fixed cover and a friction top are coupled to each other by screw thread; Axial inboard along friction top is provided with a cylindrical hole, and the outside is provided with a threaded hole; Described spring is arranged between the piston and friction top of gag lever post.
2. the spacing converter of enclosure-type according to claim 1 is characterized in that: the outboard end of described friction top is for circular, or regular polygon; The aperture of its cylindrical hole is slightly larger than the bar footpath of gag lever post, and the range of hole depth and gag lever post is complementary.
3. the spacing converter of enclosure-type according to claim 1 is characterized in that: the outside surface of described fixed cover is that perfect thread is cylindrical; Faying face that itself and friction top are coupled to each other and the threaded hole on the friction top are fine thread.
4. the spacing converter of enclosure-type according to claim 1 is characterized in that described gag lever post is a metallic conductor, and its termination of stretching out is the semicircle cambered surface.
5. according to claim 1 or the spacing converter of 4 described enclosure-types, it is characterized in that the external end head of described gag lever post is an oblique angle face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320109336 CN2650062Y (en) | 2003-10-29 | 2003-10-29 | Sealed limit converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320109336 CN2650062Y (en) | 2003-10-29 | 2003-10-29 | Sealed limit converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2650062Y true CN2650062Y (en) | 2004-10-20 |
Family
ID=34343140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320109336 Expired - Lifetime CN2650062Y (en) | 2003-10-29 | 2003-10-29 | Sealed limit converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2650062Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100545466C (en) * | 2006-06-16 | 2009-09-30 | 萱场工业株式会社 | Fluid pressure cylinder unit with stroke sensor |
| CN102789001A (en) * | 2012-08-14 | 2012-11-21 | 安徽巨一自动化装备有限公司 | Front object feeler lever |
| CN102789000A (en) * | 2012-08-14 | 2012-11-21 | 安徽巨一自动化装备有限公司 | Mistake-proofing object detector |
| CN108953293A (en) * | 2018-09-27 | 2018-12-07 | 杭州前进齿轮箱集团股份有限公司 | A kind of measuring mechanism and measurement method of hydraulic clutch piston displacement |
| CN110375689A (en) * | 2019-08-05 | 2019-10-25 | 北京海格立斯智能装备技术有限公司 | A kind of mining site automation equipment Compressible position sensor protector |
| CN114018146A (en) * | 2021-12-24 | 2022-02-08 | 四川永星电子有限公司 | Duplex sealed linear displacement sensor |
-
2003
- 2003-10-29 CN CN 200320109336 patent/CN2650062Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100545466C (en) * | 2006-06-16 | 2009-09-30 | 萱场工业株式会社 | Fluid pressure cylinder unit with stroke sensor |
| CN102789001A (en) * | 2012-08-14 | 2012-11-21 | 安徽巨一自动化装备有限公司 | Front object feeler lever |
| CN102789000A (en) * | 2012-08-14 | 2012-11-21 | 安徽巨一自动化装备有限公司 | Mistake-proofing object detector |
| CN108953293A (en) * | 2018-09-27 | 2018-12-07 | 杭州前进齿轮箱集团股份有限公司 | A kind of measuring mechanism and measurement method of hydraulic clutch piston displacement |
| CN110375689A (en) * | 2019-08-05 | 2019-10-25 | 北京海格立斯智能装备技术有限公司 | A kind of mining site automation equipment Compressible position sensor protector |
| CN114018146A (en) * | 2021-12-24 | 2022-02-08 | 四川永星电子有限公司 | Duplex sealed linear displacement sensor |
| CN114018146B (en) * | 2021-12-24 | 2022-04-12 | 四川永星电子有限公司 | Duplex sealed linear displacement sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20131029 Granted publication date: 20041020 |