CN101413775A - Double-boundary electric contact indicator - Google Patents
Double-boundary electric contact indicator Download PDFInfo
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- CN101413775A CN101413775A CNA2007100189526A CN200710018952A CN101413775A CN 101413775 A CN101413775 A CN 101413775A CN A2007100189526 A CNA2007100189526 A CN A2007100189526A CN 200710018952 A CN200710018952 A CN 200710018952A CN 101413775 A CN101413775 A CN 101413775A
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- tolerance
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- indicator
- setting apparatus
- spring leaf
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Abstract
The invention discloses a dual-boundary electric contact indicator which comprises a common indicator. The shell of the common indicator is fixedly provided with a dual-boundary electric contact display consisting of an appliance encloser, an upper and a lower tolerance set point stations which are respectively arranged at the upper and the lower parts of the lumen of the encloser, an indicating circuit board, an indicating lamp, a built-in power supply and a contact part which is arranged at the upper end of a measuring rod of the indicator and is arranged between the upper and the lower tolerance set point stations; the upper tolerance set point station, the lower tolerance set point station, the contact part and the indicating lamp are respectively connected with the power supply by the indicating circuit board. The invention has the advantages that the indicator has simple structure, small volume and portability; the indicating lamp is arranged on the electric appliance encloser, can directly display whether a detected part is qualified or not and can also display that a unqualified part exceeds the upper tolerance or the lower tolerance; and the built-in power supply is arranged, so that the indicator can work independently at any time.
Description
Technical field
The invention belongs to a kind of gauging instrument, be specifically related to a kind of electric contact indicator, particularly a kind of pair of interface electric contact indicator.
Background technology
The tolerance indication of known standard machinery formula indicating gauge is that the tolerance indicator that can slide on the dependence table circle is set margin tolerance, during measurement, relies on the swing situation of visual inspection indicator gage finger in the predetermined tolerance scope, judges whether part is qualified.Because tolerance indicator and index dial have certain spacing, the angular error of meter reading is inevitable, and people's kopiopia also can produce error besides, causes judging that the part time error is bigger, therefore, and the flowing water check of the incompatible part in enormous quantities of standard machinery formula indicating gauge.A kind of electric contact indicator is arranged at present, it electrically contacts sensor by a common indicating gauge, one and a tolerance arbiter is formed, electrically contact sensor and be installed in indicating gauge inside, tolerance arbiter peripheral hardware, during measuring workpieces, sensor passes to the tolerance arbiter with measuring-signal by cable, judges by the tolerance arbiter whether product is qualified.Though this indicating gauge has overcome the deficiency of standard machinery formula indicating gauge, but because its sensor is a kind of lever construction of complexity, main parts size technology is poor, the tolerance arbiter is made up of the electrical equipment of complexity again, and tolerance arbiter and indicating gauge still separate, therefore make the indicating gauge complicated integral structure, bulky, movability is relatively poor, adjust, check and correction and monitoring be all inconvenient.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency of the prior art, propose a kind of double-boundary electric contact indicator.
The technical scheme that realizes above-mentioned purpose is: double-boundary electric contact indicator, comprise a common indicating gauge, fixedly mount two boundaries in the shell upper of described common indicating gauge and electrically contacted display, it is by the electrical equipment case that described pair of boundary electrically contacts display, be installed in respectively the case inner chamber up and down two positions on, following tolerance setting apparatus and indicating circuit plate, pilot lamp, built-in power, and be installed in indicating gauge sounding rod upper end and be positioned at, contact component between following two tolerance setting apparatus is formed, the described tolerance setting apparatus of going up, following tolerance setting apparatus, contact component is connected with power supply by the indicating circuit plate respectively with pilot lamp.
The above-mentioned tolerance setting apparatus of going up is to be screwed on the case by fixing the last tolerance spring leaf of one one end and one, and its lower end withstands on the free-ended set screw composition of tolerance spring leaf.
Above-mentioned down tolerance setting apparatus is to be screwed on the substrate by the fixing following tolerance spring leaf of one one end and one, and its lower end withstands on down the free-ended set screw composition of tolerance spring leaf.
Above-mentioned contact component is to be made of a fixed head and the upper and lower contact that lays respectively at the fixed head two ends.
Behind the upper and lower tolerance setting apparatus location of above-mentioned double-boundary electric contact indicator, if the detected position of part does not make contact component contact with upper and lower two tolerance setting apparatus, qualified pilot lamp is just bright, shows that part is qualified; If the upper contact head of contact component is contacted with last tolerance setting apparatus, super poor pilot lamp is just bright, shows that part is super poor; If the following contact of contact component and following tolerance setting apparatus are in contact with one another, super allowance below nominal size pilot lamp is just bright, shows the super allowance below nominal size of part.
Double-boundary electric contact indicator of the present invention is simple in structure, low cost of manufacture, and the adjustment of upper and lower two tolerance setting apparatus and check and correction are also very convenient; Volume is little, and compact conformation is easy to carry; Pilot lamp is installed on the electrical equipment case, shows directly whether tested part is qualified, and can also demonstrate rejected part is super poor or super allowance below nominal size, and is directly perceived, quick; Built-in power is arranged, can work alone whenever and wherever possible.
Description of drawings
Fig. 1 is the whole Facad structure synoptic diagram of one embodiment of the invention.
Fig. 2 is the right view of structure shown in Figure 1.
Fig. 3 is the backsight part sectioned view of structure shown in Figure 1.
Fig. 4 is the circuit diagram of indication circuit board among Fig. 2.
Among the figure: 1. descend the tolerance set screw, 2. qualified pilot lamp is 3. gone up the tolerance set screw, 4. super poor pilot lamp, 5. power switch, 6. indicating gauge, 7. built-in power 8. surpasses the allowance below nominal size pilot lamp, 9. external power source and signal input interface, 10. descend the tolerance spring leaf, 11. movable contacts, 12. fixed heads, 13. last tolerance spring leaf, 14. fixed contacts, 15. electrical equipment cases, 16. the indicating circuit plate, 17. bonnets.
Embodiment:
The invention will be further described below in conjunction with drawings and Examples.
As shown in Figure 3, an external power source and signal input interface 9 are arranged on the electrical equipment case 15, when the built-in power electric weight is not enough, connect external dc power, double-boundary electric contact indicator of the present invention can work on, and also can be connected with external unit by this interface, realizes control automatically.Also have a power switch 5 on electrical equipment case 15, when indicating gauge was stopped using, off switch was saved electric weight.
As shown in Figure 3, upper and lower two contacts at contact component upper mounted plate 12 two ends, wherein upper contact head 11 is flexible movable contacts, its effect is when the sounding rod over travel, movable contact 11 can be to the last tolerance spring leaf 13 top distortion of last tolerance setting apparatus, or make fixed head 12 flexural deformations, to such an extent as to damage instrument.
As shown in Figure 1 and Figure 2, the front of electrical equipment case 15 is provided with three pilot lamp, promptly qualified pilot lamp 2, super poor pilot lamp 4 and super allowance below nominal size pilot lamp 8.Qualified when the detected position of part, qualified pilot lamp 2 is bright; If part is super poor, super poor pilot lamp 4 is bright; If the super allowance below nominal size of part, super allowance below nominal size pilot lamp 8 is bright.
In conjunction with the accompanying drawings 4, circuit connecting mode of the present invention is: fixed head 12 is connected with the positive pole of built-in power 7; Two wiring utmost points of qualified pilot lamp 2 are connected with the positive and negative electrode of internal electric source 7 respectively; A wiring utmost point of super poor pilot lamp 4 is connected with the negative pole of built-in power 7, and another wiring utmost point is connected with last tolerance spring leaf 13; A wiring utmost point of super allowance below nominal size pilot lamp 8 is connected with the negative pole of internal electric source 7, and another wiring utmost point is connected with following tolerance spring leaf 10.Qualified pilot lamp 2, super poor pilot lamp 4, power switch 5, internal electric source 7, super allowance below nominal size pilot lamp 8, external power source interface 9 are integrated on the electronic circuit board 16.Circuit board 16 is between electrical equipment case 15 and bonnet 17.
The setting of margin tolerance: turn on the power switch, first adjustment or set the nominal size of part with standard gauge block, the upper and lower deviate that requires according to Element Design by the indication of indicating gauge, is set the position of upper and lower tolerance spring leaf respectively again.Promptly unclamp the lock-screw on the tolerance set screw 3, the measuring staff that promotes indicating gauge 6 is fed into the upper deviation value that is allowed, tolerance set screw 3 in the adjusting, make its lower end withstand on the free end of tolerance spring leaf 13, look tolerance spring leaf 13 and whether contact the light on and off state of adjusting super poor pilot lamp 4 with movable contact 11, its critical point is last tolerance spring leaf 13 allocation really, and the lock-screw that screws then on the tolerance set screw 3 gets final product; Lock-screw under unclamping on the tolerance set screw 1, the measuring staff that promotes indicating gauge 6 is fed into the lower deviation value that is allowed, regulate tolerance set screw 1 down, make its lower end withstand on down the free end of tolerance spring leaf 10, look down tolerance spring leaf 10 and whether contact the light on and off state of adjusting super allowance below nominal size pilot lamp 8 with fixed contact 14, its critical point is following tolerance spring leaf 10 allocation really, and the lock-screw that screws down then on the tolerance set screw 1 gets final product.
Claims (3)
1. double-boundary electric contact indicator, comprise a common indicating gauge, it is characterized in that: fixedly mounted two boundaries in the shell upper of described common indicating gauge and electrically contacted display, the described pair of boundary electrically contact display by the electrical equipment case, respectively be installed in the case inner chamber up and down two positions upper and lower tolerance setting apparatus and indicating circuit plate, pilot lamp, built-in power and be installed in indicating gauge sounding rod upper end and the contact component between upper and lower two tolerance setting apparatus is formed; The described tolerance setting apparatus of going up is to be screwed on the case by fixing the last tolerance spring leaf of one one end and one, and its lower end withstands on the free-ended set screw composition of tolerance spring leaf; Described down tolerance setting apparatus is to be screwed on the substrate by the fixing following tolerance spring leaf of one one end and one, and its lower end withstands on down the free-ended set screw composition of tolerance spring leaf; Described contact component is to be made of a fixed head and the upper and lower contact that lays respectively at the fixed head two ends; Described upper and lower tolerance setting apparatus, contact component are connected with power supply by the indicating circuit plate respectively with pilot lamp.
2. according to the described double-boundary electric contact indicator of claim 1, it is characterized in that: three status indicator lamps, external power source and signal input interface, a power switch are arranged on the described electrical equipment case.
3. according to the described double-boundary electric contact indicator of claim 1, it is characterized in that: the upper contact head of described contact component is flexible movable contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100189526A CN101413775A (en) | 2007-10-20 | 2007-10-20 | Double-boundary electric contact indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100189526A CN101413775A (en) | 2007-10-20 | 2007-10-20 | Double-boundary electric contact indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101413775A true CN101413775A (en) | 2009-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100189526A Pending CN101413775A (en) | 2007-10-20 | 2007-10-20 | Double-boundary electric contact indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101413775A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900524B (en) * | 2009-12-23 | 2012-04-18 | 东南大学 | Contact indication method for measuring unit pair based on measured object with conductive surface |
| CN108562214A (en) * | 2018-04-19 | 2018-09-21 | 上海瑞纽机械股份有限公司 | A kind of vibration isolator displacement signal instruction device |
-
2007
- 2007-10-20 CN CNA2007100189526A patent/CN101413775A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900524B (en) * | 2009-12-23 | 2012-04-18 | 东南大学 | Contact indication method for measuring unit pair based on measured object with conductive surface |
| CN108562214A (en) * | 2018-04-19 | 2018-09-21 | 上海瑞纽机械股份有限公司 | A kind of vibration isolator displacement signal instruction device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090422 |