CN204007477U - Oil pipes external thread taper measuring instrument - Google Patents
Oil pipes external thread taper measuring instrument Download PDFInfo
- Publication number
- CN204007477U CN204007477U CN201420400886.4U CN201420400886U CN204007477U CN 204007477 U CN204007477 U CN 204007477U CN 201420400886 U CN201420400886 U CN 201420400886U CN 204007477 U CN204007477 U CN 204007477U
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- China
- Prior art keywords
- indicating gauge
- measuring
- memory pointer
- jaw
- measuring head
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- Expired - Lifetime
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- 230000005055 memory storage Effects 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims description 12
- 239000012634 fragment Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000001771 impaired effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000006386 memory function Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a kind of oil pipes external thread taper measuring instrument, comprise the slide bar at indicating gauge, upper measuring jaw, lower measuring jaw, upper measuring head, lower measuring head and two isometric and intervals parallel to each other, watchcase madial wall top at indicating gauge is provided with a crashproof rubber blanket, at the upper end of indicating gauge sounding rod, a crashproof rubber ring is installed; Cover center at the table of indicating gauge and be provided with a circular hole, a measurement memory storage is installed on circular hole.Rubber blanket and rubber ring can effectively prevent that the indicating gauge internal machine core gear teeth are impaired, and significantly extended the serviceable life of measuring instrument; Measuring memory storage can automatic accurate record and show the minimum and maximum error value of the tapering of test product, and avoiding people is error in reading, measures more accurate and quick.
Description
Technical field
The utility model is a kind of to adopt the gauging instrument of mechanical measuring means as feature, is specifically related to a kind of surveying instrument of measuring oil pipes external thread tapering.
Background technology
In the past, the detection of oil pipes external thread tapering is with ring thread gage or plug thread gauge, judge that with the size of compact distance whether it is qualified, to the tapering bastard thread detecting, its taper error value is how much to have no way of learning actually, the equipment that cannot effectively adjust machining screw, is therefore unfavorable for processing.2006, Chinese patent notification number CN2773618Y discloses a kind of external thread taper measuring instrument of petroleum pipe, it comprises indicating gauge, upper and lower measuring jaw, upper and lower measuring head and slide bar, slide bar is made up of two isometric bodys, two bodys are parallel to each other and keep at a certain distance away at grade, upper measuring jaw and lower measuring jaw one end separately are all overlapped and are connected on two bodys, form clearance fit with body, and can lock it in a certain position on slide bar by locking member, upper measuring jaw respectively has a relative plane with lower measuring jaw, two opposite planar are parallel to each other, and vertical with slide bar, lower measuring head is fixed on the position of lower measuring jaw near termination, upper measuring jaw up and down measuring head corresponding position have a through hole, from then on the upper measuring head being connected with indicating gauge sounding rod stretches out in hole, indicating gauge is connected on measuring jaw, and make the dead in line of axis and the lower measuring head of measuring head.While measuring oil pipes external thread tapering, only need carry out continuous coverage outward in the spacing of regulation along same element of cone, read the difference of indicating gauge numerical value with regard to known externally threaded tapering.This measuring instrument can be measured the externally threaded tapering numerical value of oil pipes intuitively, exactly, judges that whether the tapering of this screw thread is qualified, also can adjust timely and effectively according to overproof numerical value the equipment of machining screw, has greatly improved work efficiency.But the problem that this measuring instrument exists is: 1. indicating gauge is subject to clashing into fragile in use procedure, and shorten serviceable life; 2. in actual measurement process, by the beat moment reading out data of indicator gage finger, tester's operative skill is had relatively high expectations, easily occur data read errors, it is not convenient to operate yet.
Summary of the invention
It is short and easily occur not defect easily of data read errors and operation that the purpose of this utility model is to overcome existing oil pipes external thread taper measuring instrument serviceable life, propose a kind of not only can be crashproof but also there is the oil pipes external thread taper measuring instrument of measuring numerical value memory function.
The technical scheme that realizes above-mentioned purpose is: a kind of oil pipes external thread taper measuring instrument, the slide bar that comprises indicating gauge, upper measuring jaw, lower measuring jaw, upper measuring head, lower measuring head and two isometric and intervals parallel to each other, upper measuring jaw and lower measuring jaw one end are separately overlapped respectively and are connected on two slide bars and can lock it in a certain position on slide bar by locking member; Lower measuring head is fixed on the other end of lower measuring jaw, indicating gauge is connected on measuring jaw, the upper measuring head being connected with indicator gage finger is corresponding with lower measuring head position, it is characterized in that: the watchcase madial wall top of indicating gauge is provided with a crashproof rubber blanket, and the upper end of indicating gauge sounding rod is provided with a crashproof rubber ring; The watch glass center of indicating gauge is provided with a circular hole, a measurement memory storage is installed on circular hole, described measurement memory storage is mainly made up of memory pointer seat, the memory pointer and the reset button that are fixed on memory pointer seat, memory pointer seat is positioned at watch glass the inside and is contained on watch glass by shell fragment, the front end of memory pointer is bending state, and the indicator of indicating gauge and the front end of memory pointer overlap in measuring process.
Further, the watchcase of described indicating gauge is a monolithic construction.
The utility model has the advantage of: rubber blanket can avoid sounding rod when up, the rigid collision of limit journey pin on sounding rod to watchcase madial wall upper end, rubber ring is in contact with it the rigid collision of parts can avoid sounding rod upper end to come downwards to minimum point time, thereby can effectively prevent that the indicating gauge internal machine core gear teeth are impaired, significantly extended the serviceable life of measuring instrument; Measure the tapering maximum error value that memory storage could record and show test product exactly, avoiding people is error in reading, measures more accurate and quick.
Brief description of the drawings
Fig. 1 is Facad structure schematic diagram of the present utility model.
Fig. 2 is the schematic diagram of upper and lower measuring jaw in Fig. 1.
Fig. 3 is the utility model indicating gauge Facad structure schematic diagram.
Fig. 4 is indicating gauge partial sectional view in Fig. 3.
Fig. 5 measures memory storage enlarged drawing in Fig. 4.
In figure: 1. block, 2. slide bar, 3. goes up measuring jaw, 4. spacer sleeve, 5. lock-screw, 6. descends measuring jaw, 7. descends measuring head, 8. goes up measuring head, 9. sounding rod, 10. limit journey pin, 11. indicating gauges, 12. indicator axles, 13. indicators, 14. watch glasss, 15. watchcases, 16. rubber blankets, 17. rubber rings, 18. measure memory storage, 18-1. reset button, 18-2. memory pointer seat, 18-3. shell fragment II, 18-4. shell fragment I, 18-5. memory pointer, 18-6. adjusts screw.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Fig. 1,2,4, the utility model comprises the slide bar 2 at indicating gauge 11, upper measuring jaw 3, lower measuring jaw 6, lower measuring head 7, upper measuring head 8 and two isometric and intervals parallel to each other, on the sounding rod 9 of indicating gauge 11, there is a limit journey pin 10, the two ends of slide bar 2 is fixed by block 1, upper measuring jaw 3 and lower measuring jaw 6 be arranged on slide bar 2 and with slide bar 2 be clearance fit, unclamp or lock by lock-screw 5; Upper measuring jaw 3 and lower measuring jaw 6 are parallel to each other, and vertical with slide bar 2, lower measuring head 7 is fixed on the other end of lower measuring jaw 6, indicating gauge 11 is connected on measuring jaw 3, upper measuring head 8 is corresponding with lower measuring head 7 positions, and a spacer sleeve 4 that prevents that upper and lower measuring head from colliding has been installed at the middle part of one of two slide bars 2.
As in Figure 3-5, improvements of the present utility model are, on the watchcase 15 madial wall tops of indicating gauge 11, a crashproof rubber blanket 16 is installed, and the position of rubber blanket 16 is corresponding with the position of limit journey pin 10, at the upper end of sounding rod 9, a crashproof rubber ring 17 is installed, be provided with a circular hole in the center of indicating gauge watch glass 14, a measurement memory storage 18 is installed on circular hole, measure memory storage 18 mainly by memory pointer seat 18-2, memory pointer 18-5 and reset button 18-1 composition, memory pointer 18-5 is fixed on memory pointer seat 18-2, reset button 18-1 is arranged on circular hole, memory pointer seat 18-2 is sleeved on reset button 18-1 and by the inside surface of two shell fragments and watch glass 14 and keeps in touch state from the inside of watch glass 14, the front end of memory pointer 18-5 is bending shape, the indicator 13 of indicating gauge overlaps in measuring process with the front end of memory pointer 18-5.
Rubber blanket 16 can avoid sounding rod 9 when up, the rigid collision of limit journey pin 10 on it to watchcase 15 madial wall upper ends, rubber ring 17 is in contact with it the rigid collision of parts can avoid sounding rod 9 upper ends to come downwards to minimum point time, make indicating gauge movement gears at different levels avoid suddenly shaking; Measuring memory storage 18 can automatic accurate record and show the minimum and maximum error value of the tapering of test product, and avoiding people is error in reading, measures more accurate and quick.
As in Figure 3-5, in the present embodiment, measure memory storage 18 and comprise reset button 18-1, memory pointer seat 18-2, shell fragment II 18-3, shell fragment I 18-4, memory pointer 18-5 and adjust screw 18-6.Memory pointer 18-5 riveted is on memory pointer seat 18-2, reset button 18-1 small end has been attacked internal thread, the circular hole of the small end of reset button 18-1 from watch glass 14 passes, the handle of reset button 18-1 is positioned at the outer end of watch glass 14, shell fragment II 18-3, memory pointer seat 18-2, shell fragment I 18-4 is sleeved on the bar of reset button 18-1 from the small end of reset button 18-1 successively, adjusting screw 18-6 is connected with the internal thread of reset button 18-1 small end, making to recall hand rest 18-2 is sleeved on reset button 18-1 from the inside of watch glass 14, and keep in touch state by the inside surface of shell fragment II 18-3 and shell fragment I 18-4 and watch glass 14.Adjust screw 18-6 by rotation, can make the elasticity between memory pointer seat 18-2 and watch glass 14 be regulated.The handle that rotates reset button 18-1 can drive memory pointer seat 18-2 rotation.
When measurement, pull measuring jaw 3 and lower measuring jaw 6, the spacing of upper measuring head 8 and lower measuring head 7 is adjusted to externally threaded external diameter specification, lower measuring head 7 is placed in outside first tooth complete thread groove, upper measuring head 8 is placed in outside the offside thread groove of opposite direction, lower measuring head 7 keeps motionless, upper measuring head 8 does small arc-shaped and swings, now, indicator 13 can rotate, and overlap and drive memory pointer 18-5 to rotate with memory pointer 18-5, in the time finding maximum deviation numerical value, memory pointer 18-5 is parked in maximum deflection difference value place naturally, then regulate indicating gauge 11 table circles, dial plate zero-bit is overlapped with maximum deviation numerical value.With same method along on same element of cone regulation spacing carry out continuous coverage outward, the tapering that the difference of indicating gauge 11 numerical value of continuous coverage is this section of screw thread.
In the utility model, watchcase 15 is monolithic constructions.The watchcase of this monolithic construction can make the overall rigidity of indicating gauge 11 increase, and improves indicating gauge 11 impact strengths, can improve stability and the reliability of indicating gauge simultaneously.
Indicating gauge in the utility model also can replace with the digit display dial gauge with memory function, joins by data-interface and data processor, can realize on-line automatic measurement and data and automatically process.
The utility model can be gone up by change the bulb diameter dimension of measuring head 8 and lower measuring head 7, measures the tapering of the oil pipes screw thread of different size.
Claims (2)
1. an oil pipes external thread taper measuring instrument, the slide bar that comprises indicating gauge, upper measuring jaw, lower measuring jaw, upper measuring head, lower measuring head and two isometric and intervals parallel to each other, upper measuring jaw and lower measuring jaw one end are separately overlapped respectively and are connected on two slide bars and can lock it in a certain position on slide bar by locking member; Lower measuring head is fixed on the other end of lower measuring jaw, indicating gauge is connected on measuring jaw, the upper measuring head being connected with indicator gage finger is corresponding with lower measuring head position, it is characterized in that: the watchcase madial wall top of indicating gauge is provided with a crashproof rubber blanket, and the upper end of indicating gauge sounding rod is provided with a crashproof rubber ring; The watch glass center of indicating gauge is provided with a circular hole, a measurement memory storage is installed on circular hole, described measurement memory storage is mainly made up of memory pointer seat, the memory pointer and the reset button that are fixed on memory pointer seat, memory pointer seat is positioned at watch glass the inside and is contained on watch glass by shell fragment, the front end of memory pointer is bending state, and the indicator of indicating gauge and the front end of memory pointer overlap in measuring process.
2. according to oil pipes external thread taper measuring instrument claimed in claim 1, it is characterized in that: the watchcase of described indicating gauge is a monolithic construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400886.4U CN204007477U (en) | 2014-07-09 | 2014-07-09 | Oil pipes external thread taper measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400886.4U CN204007477U (en) | 2014-07-09 | 2014-07-09 | Oil pipes external thread taper measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204007477U true CN204007477U (en) | 2014-12-10 |
Family
ID=52047464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420400886.4U Expired - Lifetime CN204007477U (en) | 2014-07-09 | 2014-07-09 | Oil pipes external thread taper measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204007477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160423A (en) * | 2019-05-23 | 2019-08-23 | 苏州工业职业技术学院 | A kind of cubing of quick detection part size |
| CN110470202A (en) * | 2019-08-08 | 2019-11-19 | 中国石油天然气集团公司管材研究所 | A kind of round thread tooth form angle detection device and method |
-
2014
- 2014-07-09 CN CN201420400886.4U patent/CN204007477U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160423A (en) * | 2019-05-23 | 2019-08-23 | 苏州工业职业技术学院 | A kind of cubing of quick detection part size |
| CN110470202A (en) * | 2019-08-08 | 2019-11-19 | 中国石油天然气集团公司管材研究所 | A kind of round thread tooth form angle detection device and method |
| CN110470202B (en) * | 2019-08-08 | 2024-04-09 | 中国石油天然气集团有限公司 | Device and method for detecting angle of circular thread tooth form |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |
|
| CX01 | Expiry of patent term |