CN202547570U - Inner-cone-angle measuring tool for pipeline connecting piece with external threads - Google Patents

Inner-cone-angle measuring tool for pipeline connecting piece with external threads Download PDF

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Publication number
CN202547570U
CN202547570U CN2012201475926U CN201220147592U CN202547570U CN 202547570 U CN202547570 U CN 202547570U CN 2012201475926 U CN2012201475926 U CN 2012201475926U CN 201220147592 U CN201220147592 U CN 201220147592U CN 202547570 U CN202547570 U CN 202547570U
Authority
CN
China
Prior art keywords
nut
parts
externally threaded
cone angle
threaded pipeline
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
Application number
CN2012201475926U
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Chinese (zh)
Inventor
郑超
金健
王晶晶
吴正明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Aerospace System Engineering Institute
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Shanghai Aerospace System Engineering Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Aerospace System Engineering Institute filed Critical Shanghai Aerospace System Engineering Institute
Priority to CN2012201475926U priority Critical patent/CN202547570U/en
Application granted granted Critical
Publication of CN202547570U publication Critical patent/CN202547570U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an inner-cone-angle measuring tool for a pipeline connecting piece with external threads. The inner-cone-angle measuring tool comprises a micrometer, a nut, a fixed piece, a first steel ball and a second steel ball, wherein the micrometer is fixed on the nut by the fixed piece, and the micrometer is coaxial to the nut; the nut is in threaded connection with the measured pipeline connecting piece with the external threads; the first steel ball and the second steel ball are arranged in the inner cone surface of the pipeline connecting piece with the external threads in measurement; and the diameter of the first steel ball is larger than that of the second steel ball. The inner-cone-angle measuring tool disclosed by the utility model has the advantages that the inner cone angle is measured by adopting an indirect method, so that not only is the operation convenient and simple, but also the inner cone angle of the pipeline connecting piece with the external threads can be measured in a fast, accurate and quantitative manner.

Description

Be used to interior cone angle measuring instrument with externally threaded pipeline connecting parts
Technical field
The utility model relates to a kind of interior cone angle measuring technical field, specifically refers to a kind of interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts, and especially the big footpath of energy measurement inner conical surface is less than the externally threaded pipeline connecting parts of the mini zone of 30mm.
Background technology
For the fluid circuit web member of cone match, precision of cone angle has decisive influence to product quality in it at present, but measurement of cone angle does not also have simple and effective solution in it.Known interior cone angle detection method commonly used mainly contains feeler gauge colouring, perfusion mold base method, direct method, dissects method, indirect method.The feeler gauge colouring need be used look mud, and look mud thickness is influential to measuring accuracy, and the feeler gauge colouring can only observational measurement, can not quantitative measurment; Perfusion mold base method process is complicated, is not suitable for 100% check, and there are problems such as drawdown deformation in pouring material, and precision is not high especially; DC-method uses universal protractor or three-coordinates measuring machine to measure; The plane of universal protractor and tested cone match when measuring with universal protractor; Owing to cooperate shakiness to be easy to generate error, particularly very big for the less inner conical surface error of diameter, there is the big problem of measuring error when measuring the less inner conical surface of diameter equally with three-coordinates measuring machine; And three-coordinates measuring machine costs an arm and a leg, and uses complicated; The method of dissecing needs the cutting damage product, is not suitable for 100% check equally; Indirect method is converted into linear measure longimetry with measurement of angle, and precision is high, does not destroy workpiece, is a kind of comparatively ideal inner cone angle measuring method, is specially adapted to the measurement of multi-varieties and small-batch product.
Application number be 201020620814.2 Chinese utility model patent " cone angle measuring instrument in a kind of " adopt capacitive displacement transducer survey through indirect method in cone angle, its instrument volume is bigger, is not easy miniaturization, to survey little in cone angle have difficulties; Application number is that 201120185479.2 Chinese utility model patent " cone angle measuring utensil in a kind of " adopts direct method to measure, but can only measure the interior cone angle that cone angle is 60 ° and 74 °; Application number is that 200910102505.8 Chinese utility model patent " cone angle detects the instrument of use in a kind of " adopts the feeler gauge colouring to measure interior cone angle, and the right interior cone angle of pin need be processed different limit gauges, and can only observational measurement; Application number is 200620126298.1 the described measuring instrument employing of Chinese utility model patent " cone angle measuring appearance " indirect method measurement cone angle; Its complex structure; And can cause big composition error because the measuring appliance size is big, therefore limited for cone angle measuring precision in small-bore; Application number is that 201020507983.5 the described cone angle cubing of Chinese utility model patent " cone angle cubing " exists size bigger equally, be not suitable for small-bore in cone angle measuring; Application number is 93118425.8 the interior cone angle of the described cone-angle measure gauge employing of Chinese utility model patent " cone-angle measure gauge " direct method measurement, and it is big to measure small-bore interior cone angle time error; Application number is 200610173243.0 the described measurement mechanism employing of Chinese utility model patent " sleeve cone angle measurement system " indirect method measurement; Precision is higher; But its system is very complicated, and can only measure independently measured piece, and energy measurement is not fixed on the measured piece on other object.
The utility model content
The purpose of the utility model is to provide a kind of interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts; Adopt indirect method to measure interior coning angle; Not only easy to operate simple, and can be fast and accurate quantification measure interior cone angle with externally threaded pipeline connecting parts.
In order to reach above-mentioned purpose, the utility model provides a kind of interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts, comprising: milscale, nut, fixture, first steel ball, second steel ball; Said milscale is fixed on the said nut through said fixture, and said milscale is coaxial with said nut; Said nut be threaded by the externally threaded pipeline connecting parts of measuring tape; Said first steel ball and second steel ball place by the inner conical surface of the externally threaded pipeline connecting parts of measuring tape when measuring; The diameter of said first steel ball is greater than the diameter of said second steel ball.
The above-mentioned interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts, wherein, an end of said nut is provided with center pit, and said milscale passes said center pit, and is fixed on the said nut through said fixture.
The above-mentioned interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts, wherein, said fixture is a nut.
The above-mentioned interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts, wherein, said fixture is a trip bolt.
The above-mentioned interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts, wherein, said milscale is mechanical milscale or digital micrometer.
The above-mentioned interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts, wherein, the madial wall of said nut is provided with inner convex platform.
The above-mentioned interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts, wherein, the madial wall of said nut is provided with internal thread, and the internal thread of said nut is with identical by external thread nominal diameter, profile of tooth, the tooth pitch of the externally threaded pipeline connecting parts of measuring tape.
The above-mentioned interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts, wherein, said nut is near being provided with the indication groove by the lateral wall of externally threaded pipeline connecting parts one end of measuring tape.
The above-mentioned interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts, wherein, said nut is provided with annular knurl near the lateral wall of milscale one end.
The beneficial effect of the utility model is specific as follows:
1, the utility model is specially adapted to the interior cone angle measuring with externally threaded pipeline connecting parts, and is simple in structure, good economy performance;
2, the utility model is easy to operate, and composition error is little, and measuring accuracy is high;
3, the utility model uses flexibly, can not only survey independently measured piece, can also survey the measured piece that is fixed on other object.
Description of drawings
Being used to of the utility model provided by following embodiment and accompanying drawing with the interior cone angle measuring instrument of externally threaded pipeline connecting parts.
Fig. 1 is the cut-open view with the interior cone angle measuring execution of instrument example one of externally threaded pipeline connecting parts that is used to of the utility model.
Fig. 2 is the three-dimensional view of the utility model embodiment one.
Fig. 3 the utility model be used to cut-open view with the interior cone angle measuring execution of instrument example two of externally threaded pipeline connecting parts.
Embodiment
Below will combine be used to interior cone angle measuring instrument work further describe with externally threaded pipeline connecting parts of Fig. 1~Fig. 3 to the utility model.
Embodiment one:
Referring to Fig. 1, being used to of present embodiment draws together with the interior cone angle measuring kit of externally threaded pipeline connecting parts: milscale 1, nut 2, nut 3, first steel ball 4, second steel ball 5;
One end of said nut 2 is provided with center pit, and said milscale 1 passes said center pit, and is fixed on the said nut 2 through said nut 3, and said milscale 1 is coaxial with said nut 2;
The madial wall of said nut 2 is provided with internal thread; The internal thread of said nut 2 is with identical by external thread nominal diameter, profile of tooth, the tooth pitch of the externally threaded pipeline connecting parts 6 of measuring tape, said nut 2 through said internal thread be fixed together by the externally threaded pipeline connecting parts 6 of measuring tape;
During measurement, said first steel ball 4 or second steel ball 5 place by the inner conical surface of the externally threaded pipeline connecting parts 6 of measuring tape;
The diameter of said first steel ball 4 is greater than the diameter of said second steel ball 5.
Said milscale 1 can be mechanical milscale, for example with the mechanical milscale of coarse adjustment and fine setting, also can be digital micrometer.
Continuation is referring to Fig. 1; The madial wall of said nut 2 is provided with inner convex platform 21; Said nut 2 is when being threaded by the externally threaded pipeline connecting parts 6 of measuring tape; To be offseted by the end face of the externally threaded pipeline connecting parts 6 of measuring tape and said inner convex platform 21, during with stably measured said nut 2 with by the relative position of the externally threaded pipeline connecting parts 6 of measuring tape.
Referring to Fig. 2, said nut 2 is near being provided with indication groove 22 by the lateral wall of externally threaded pipeline connecting parts 6 one ends of measuring tape, and said indication groove 22 is used for direction action or indicates said nut 2 precessions by the distance of the externally threaded pipeline connecting parts 6 of measuring tape indirectly;
Said nut 2 is provided with annular knurl 23 near the lateral wall of milscale 1 one ends, and said annular knurl 23 is used to increase the friction force between hand and the said nut 2, conveniently said nut 2 is screwed in by on the externally threaded pipeline connecting parts 6 of measuring tape.
Use present embodiment be used to the interior cone angle measuring instrument with externally threaded pipeline connecting parts the time; The first step; Earlier said milscale 1 is fixed together through said nut 3 with said nut 2; Said first steel ball 4 (or said second steel ball 5) is put into by the inner conical surface of the externally threaded pipeline connecting parts 6 of measuring tape; Again with said nut 2 with being screwed in through screw thread by the externally threaded pipeline connecting parts of measuring tape 6, the inner convex platform 21 that makes said nut 2 with just offseted by the end face of the externally threaded pipeline connecting parts 6 of measuring tape, on externally threaded pipeline connecting parts 6, look for a characteristic (for example crest line) or make a mark by measuring tape; With this mark as characteristic; And on said nut 2, find and note and the corresponding indication groove 22 of this characteristic, the precession distance of regulating said milscale 1 writes down said milscale reading 1 this moment until can not precession (end of said milscale 1 withstands on the steel ball); Said nut 2 from being turned on by the externally threaded pipeline connecting parts 6 of measuring tape, is taken out said first steel ball 4 (or said second steel ball 5); Second step; Said second steel ball 5 (or first steel ball 4) is put into by the inner conical surface of the externally threaded pipeline connecting parts 6 of measuring tape; Again with said nut 2 with being screwed in through screw thread by the externally threaded pipeline connecting parts of measuring tape 6; Tighten said nut 2 until the inner convex platform of said nut 2 21 with just offseted by the end face of the externally threaded pipeline connecting parts 6 of measuring tape, the more said nut 2 of fine adjustment be screwed into distance, the indication groove 22 that makes the said nut 2 that writes down in the first step is with relative by the characteristic on the externally threaded pipeline connecting parts 6 of measuring tape; The precession distance of regulating said milscale 1 is until can not precession; Write down said milscale reading 1 this moment, said nut 2 from being turned on by the externally threaded pipeline connecting parts 6 of measuring tape, is taken out said second steel ball 5 (or first steel ball 4); The 3rd step; The reading of milscale 1 described in the first step and second step is subtracted each other the value of obtaining L; And, calculate by the interior cone angle of the externally threaded pipeline connecting parts 6 of measuring tape through formula according to known first steel ball, the 4 diameter D1 and the diameter D2 of second steel ball 5.
Embodiment two:
Referring to Fig. 3; Embodiment two is modification of embodiment one; Identical parts adopt identical Reference numeral, and embodiment two is that with the difference of embodiment one milscale 1 is fixed together through trip bolt 7 and nut 2 among the embodiment two; Do not establish inner convex platform on the madial wall of said nut 2; With the milscale among the embodiment two 1 when being threaded by the externally threaded pipeline connecting parts 6 of measuring tape, need with the end face of said nut 2 with offseted by the outer lug boss 61 of the externally threaded pipeline connecting parts 6 of measuring tape, during with stably measured said nut 2 with by the relative position of the externally threaded pipeline connecting parts 6 of measuring tape.

Claims (9)

1. an interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts is characterized in that, comprising: milscale, nut, fixture, first steel ball, second steel ball;
Said milscale is fixed on the said nut through said fixture, and said milscale is coaxial with said nut;
Said nut be threaded by the externally threaded pipeline connecting parts of measuring tape;
Said first steel ball and second steel ball place by the inner conical surface of the externally threaded pipeline connecting parts of measuring tape when measuring;
The diameter of said first steel ball is greater than the diameter of said second steel ball.
2. the interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts as claimed in claim 1 is characterized in that an end of said nut is provided with center pit, and said milscale passes said center pit, and is fixed on the said nut through said fixture.
According to claim 1 or claim 2 be used to interior cone angle measuring instrument with externally threaded pipeline connecting parts, it is characterized in that said fixture is a nut.
According to claim 1 or claim 2 be used to interior cone angle measuring instrument with externally threaded pipeline connecting parts, it is characterized in that said fixture is a trip bolt.
5. the interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts as claimed in claim 1 is characterized in that said milscale is mechanical milscale or digital micrometer.
6. the interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts as claimed in claim 1 is characterized in that the madial wall of said nut is provided with inner convex platform.
7. the interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts as claimed in claim 1; It is characterized in that; The madial wall of said nut is provided with internal thread, and the internal thread of said nut is with identical by external thread nominal diameter, profile of tooth, the tooth pitch of the externally threaded pipeline connecting parts of measuring tape.
8. the interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts as claimed in claim 1 is characterized in that, said nut is near being provided with the indication groove by the lateral wall of externally threaded pipeline connecting parts one end of measuring tape.
9. the interior cone angle measuring instrument that is used to externally threaded pipeline connecting parts as claimed in claim 1 is characterized in that said nut is provided with annular knurl near the lateral wall of milscale one end.
CN2012201475926U 2012-04-10 2012-04-10 Inner-cone-angle measuring tool for pipeline connecting piece with external threads Expired - Fee Related CN202547570U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201475926U CN202547570U (en) 2012-04-10 2012-04-10 Inner-cone-angle measuring tool for pipeline connecting piece with external threads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201475926U CN202547570U (en) 2012-04-10 2012-04-10 Inner-cone-angle measuring tool for pipeline connecting piece with external threads

Publications (1)

Publication Number Publication Date
CN202547570U true CN202547570U (en) 2012-11-21

Family

ID=47168188

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012201475926U Expired - Fee Related CN202547570U (en) 2012-04-10 2012-04-10 Inner-cone-angle measuring tool for pipeline connecting piece with external threads

Country Status (1)

Country Link
CN (1) CN202547570U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103353272A (en) * 2013-06-14 2013-10-16 浙江万达汽车方向机有限公司 Tool for measuring bevel gear relative position angle, and measuring method thereof
CN110145998A (en) * 2019-05-14 2019-08-20 江苏理工学院 A kind of female cone oblique angle detection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103353272A (en) * 2013-06-14 2013-10-16 浙江万达汽车方向机有限公司 Tool for measuring bevel gear relative position angle, and measuring method thereof
CN103353272B (en) * 2013-06-14 2016-03-30 浙江万达汽车方向机股份有限公司 The survey instrument of spiral gear relative position angle and measuring method thereof
CN110145998A (en) * 2019-05-14 2019-08-20 江苏理工学院 A kind of female cone oblique angle detection device

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121121

Termination date: 20130410