CN201335670Y - Threaded hole depth calibrator - Google Patents
Threaded hole depth calibrator Download PDFInfo
- Publication number
- CN201335670Y CN201335670Y CNU200820303665XU CN200820303665U CN201335670Y CN 201335670 Y CN201335670 Y CN 201335670Y CN U200820303665X U CNU200820303665X U CN U200820303665XU CN 200820303665 U CN200820303665 U CN 200820303665U CN 201335670 Y CN201335670 Y CN 201335670Y
- Authority
- CN
- China
- Prior art keywords
- threaded hole
- sleeve
- ruler
- feeler gauge
- hole depth
- 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 - Fee Related
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Abstract
The utility model discloses a threaded hole depth calibrator, which overcomes the defects of low measurement precision, troublesome operation and single function of the prior threaded hole depth calibrator. The threaded hole depth calibrator comprises a rod-shaped plug guage, and the end part of the plug guage is provided with an outer thread. The threaded hole depth calibrator is characterized in that the outside of the plug guage is sleeved with a sleeve at certain clearance; the sleeve is provided with a ruler with scale; the ruler is parallel to the plug guage; and the bottom surface of the sleeve is vertical to the plug guage.
Description
Technical field
The utility model relates to a kind of measuring instrument, relates in particular to a kind of measuring instrument that the degree of depth of the threaded hole of surface of the work processing is measured of being used for.
Technical background
In the manufacture process of motor car engine, its surface needs some threaded holes of processing, so that fix some external parts on it.The degree of depth of threaded hole and diameter have certain detection requirement, otherwise can have influence on the connectivity robustness of external parts on the engine.For the detection of threaded hole diameter, current way has the shaft-like feeler gauge of externally threaded standard with the end and carries out.When the diameter in the double thread hole detects, the external thread on the feeler gauge is cooperated with internal thread on the threaded hole, determine by the mated condition that detects both whether the diameter of screw thread is qualified.And dual mode is arranged for the detection of the threaded hole degree of depth, a kind of is to utilize special-purpose detecting instrument to detect, another kind of easy measuring method is to utilize homemade measurement hook, and this hook is to add high scale with hacksaw blade after processing, and measures easily with the degree of depth in double thread hole.For the detection of the threaded hole degree of depth, special-purpose detecting instrument needs outsourcing, and this can increase equipment investment cost.When utilizing hook to measure, keeping parallelism well between hook and the threaded hole, this can have influence on measuring accuracy.And the diameter of hook is generally little a lot of than the diameter of threaded hole, when the degree of depth in double thread hole is carried out reading, does not have good reading object of reference, and reading difference measured between the different testers is bigger.
Summary of the invention
For overcoming the above-mentioned defective that is had when existing double thread hole depth is measured, the utility model technical issues that need to address are: a kind of threaded hole depth calibrator is provided, its both can the double thread hole the degree of depth measure, simultaneously diameter that also can the double thread hole is measured, and simple in structure, easy to operate, measure accurately, equipment investment cost is few.
For solving the problems of the technologies described above, the technical solution of the utility model: a kind of threaded hole depth calibrator, comprise shaft-like feeler gauge, one end of feeler gauge has external thread, it is characterized in that the outside of described feeler gauge is socketed in sleeve with gap, sleeve is provided with the ruler of band scale, ruler is parallel with feeler gauge, and the bottom surface of sleeve is vertical with feeler gauge.The end of feeler gauge has the external thread of standard, by the threaded engagement situation of this end and threaded hole to be measured, can learn the diameter of threaded hole to be measured.After the end of feeler gauge is screwed in the threaded hole fully, measure the length that feeler gauge is stayed the threaded hole outside, after knowing the total length of feeler gauge, can draw the degree of depth of threaded hole easily by ruler.
As preferably, described ruler and feeler gauge are isometric.Both are isometric, can directly read the depth value of threaded hole by the scale on the ruler.
As preferably, an end of described ruler is concordant with the bottom surface of sleeve, the outside of the outstanding sleeve in the other end.After the end of feeler gauge was screwed in the threaded hole fully, the bottom surface that is enclosed within the sleeve of feeler gauge periphery was fitted on the surface of the work.At this moment, an end of ruler is concordant with the bottom of feeler gauge exposed parts, promptly can directly read the length value of feeler gauge exposed parts from ruler, maybe can directly read the depth value of threaded hole from the ruler.
As preferably, the outside of described sleeve is provided with two fixture blocks that are connected as a single entity with it, is provided with slot between two fixture blocks, and described ruler is connected in this slot.Ruler is connected in two slots between the fixture block, guarantees the connectivity robustness between hole ruler and the sleeve.
As preferably, the trip bolt that has been threaded on the described fixture block, the inner roof pressure of trip bolt is on the surface of described ruler.By trip bolt ruler is connected on the sleeve securely, and, can changes ruler easily by the turn trip bolt.
As preferably, described trip bolt is two, they along the axially spaced-apart of sleeve be arranged on the fixture block.Two trip bolts are used for ruler is fixed, and make that the connectivity robustness of ruler is good.
Therefore, the beneficial effects of the utility model:
Since be threaded in the end feeler gauge circumferential play be socketed with sleeve, and sleeve is provided with the ruler that is used to measure feeler gauge length, this threaded hole depth calibrator both can utilize the externally threaded end of feeler gauge band to carry out the mensuration of threaded hole diameter to be measured, also can utilize simultaneously ruler that the length of the exposed parts that is screwed into the feeler gauge in the threaded hole is fully measured, to record the degree of depth of threaded hole, this threaded hole depth calibrator usable range is wide.The diameter in double thread hole and the degree of depth can once be finished detection, and operation is very easy, both can be used as testing staff's special detection tool, also can be used as producers' production survey instrument.Because with having good matching relationship between externally threaded end and the threaded hole to be measured, feeler gauge can vertically be threaded in the threaded hole on the feeler gauge, the numerical value accuracy height of measuring by ruler.Utilize existing double thread diameter to measure feeler gauge, add sleeve and ruler, can obtain this measuring instrument, make very conveniently, can realize self-control, and do not need the special surveying instrument of outsourcing.
Description of drawings
Accompanying drawing 1 is the front view of the utility model threaded hole depth calibrator.
Accompanying drawing 2 is vertical views of sleeve.
Embodiment
See accompanying drawing, the structure of the utility model threaded hole depth calibrator comprises shaft-like feeler gauge 1 and sleeve 2, and an end of feeler gauge 1 has external thread, has straight hole 6 in the sleeve 2, feeler gauge 1 is applied in the straight hole 6, and described feeler gauge 1 has the external diameter of the external diameter of male thread portion less than feeler gauge 1 other parts.Feeler gauge 1 and sleeve 2 clearance fit, the bottom surface of sleeve 2 is vertical with feeler gauge 1, is connected with the ruler 5 parallel with feeler gauge 1 on the sleeve 2, has scale on the ruler 5.
The outside of described sleeve 2 is separated with slot 7 between being provided with between 3, two fixture blocks 3 of two parallel fixture blocks that are connected as a single entity with it, and described ruler 5 is plugged in the slot 7.4, two trip bolts 4 of two trip bolts that have been threaded on fixture block 3 are arranged along the axially spaced-apart of sleeve 2.Trip bolt 4 passes fixture block 3 and enters in the slot 7, and the inner end roof pressure of trip bolt 4 is on the surface of ruler 5.
Described ruler 5 is isometric with the length of feeler gauge 1, one end of ruler 5 is concordant with the bottom surface of sleeve 2, the other end of ruler 5 is projected into the outside of sleeve 2, and the scale value on the ruler 5 is complied with from childhood to the big surface that is arranged sequentially in ruler to the one end from the other end of ruler 5.
When utilizing this threaded hole depth calibrator that screw thread to be measured is measured, being with externally threaded part to be screwed in the threaded hole to be measured on the feeler gauge 1.When both tighten fully, the bottom surface of sleeve 2 is fitted in the mouth position place of threaded hole to be measured, the scale value concordant with feeler gauge 1 the other end is the depth value of threaded hole to be measured on the ruler 5, and institute's target diameter value is the diameter of threaded hole to be measured on the standard feeler gauge 1.
Claims (6)
1. threaded hole depth calibrator, comprise shaft-like feeler gauge, one end of feeler gauge has external thread, it is characterized in that, the outside of described feeler gauge (1) is socketed in sleeve (2) with gap, sleeve (2) is provided with the ruler (5) of band scale, and ruler (5) is parallel with feeler gauge (1), and the bottom surface of sleeve (2) is vertical with feeler gauge (1).
2. threaded hole depth calibrator according to claim 1 is characterized in that, described ruler (5) is isometric with feeler gauge (1).
3. threaded hole depth calibrator according to claim 2 is characterized in that, an end of described ruler (5) is concordant with the bottom surface of sleeve (2), and the outside of sleeve (2) is given prominence in the other end.
4. according to claim 1 or 2 or 3 described threaded hole depth calibrators, it is characterized in that, the outside of described sleeve (2) is provided with two fixture blocks (3) that are connected as a single entity with it, is provided with slot (7) between two fixture blocks (3), and described ruler (5) is connected in this slot (7).
5. threaded hole depth calibrator according to claim 4 is characterized in that, the trip bolt (4) that has been threaded on the described fixture block (3), and the inner roof pressure of trip bolt (4) is on the surface of described ruler (5).
6. threaded hole depth calibrator according to claim 5 is characterized in that, described trip bolt (4) is two, they along the axially spaced-apart of sleeve (2) be arranged on the fixture block (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820303665XU CN201335670Y (en) | 2008-12-25 | 2008-12-25 | Threaded hole depth calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820303665XU CN201335670Y (en) | 2008-12-25 | 2008-12-25 | Threaded hole depth calibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201335670Y true CN201335670Y (en) | 2009-10-28 |
Family
ID=41287325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820303665XU Expired - Fee Related CN201335670Y (en) | 2008-12-25 | 2008-12-25 | Threaded hole depth calibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201335670Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213580A (en) * | 2010-04-03 | 2011-10-12 | 董雪峰 | Depth calibrator of internal screw thread |
| CN102735139A (en) * | 2012-06-18 | 2012-10-17 | 上海卫星工程研究所 | Auxiliary measuring device for detecting relevant sizes of screw holes |
| CN103822569A (en) * | 2013-12-10 | 2014-05-28 | 贵州黎阳航空动力有限公司 | Small hole depth measuring device |
| CN105241324A (en) * | 2015-09-24 | 2016-01-13 | 苏州市职业大学 | Internal screw thread detection apparatus |
-
2008
- 2008-12-25 CN CNU200820303665XU patent/CN201335670Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102213580A (en) * | 2010-04-03 | 2011-10-12 | 董雪峰 | Depth calibrator of internal screw thread |
| CN102735139A (en) * | 2012-06-18 | 2012-10-17 | 上海卫星工程研究所 | Auxiliary measuring device for detecting relevant sizes of screw holes |
| CN103822569A (en) * | 2013-12-10 | 2014-05-28 | 贵州黎阳航空动力有限公司 | Small hole depth measuring device |
| CN105241324A (en) * | 2015-09-24 | 2016-01-13 | 苏州市职业大学 | Internal screw thread detection apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20171225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |