CN202382683U - Device for measuring chamfer diameter of internal thread joint - Google Patents
Device for measuring chamfer diameter of internal thread joint Download PDFInfo
- Publication number
- CN202382683U CN202382683U CN2012200058988U CN201220005898U CN202382683U CN 202382683 U CN202382683 U CN 202382683U CN 2012200058988 U CN2012200058988 U CN 2012200058988U CN 201220005898 U CN201220005898 U CN 201220005898U CN 202382683 U CN202382683 U CN 202382683U
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- Prior art keywords
- measurement
- female adapter
- measuring
- chamfering
- diameter
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- Expired - Fee Related
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a device for measuring a chamfer diameter of an internal thread joint. The device comprises a measuring sample plate and measuring handles. The measuring sample plate is provided with a measuring block; and the measuring handles are fixed at two ends of the measuring sample plate. By the adoption of the device for measuring the chamfer diameter of the internal thread joint, the problem that the chamfer diameter of the internal thread joint in the special threaded oil pipe cannot be quickly and directly measured is solved on the premise of fully ensuring the correctness of the measurement, so that the work efficiencies of product processing measurement and field inspection are greatly improved.
Description
Technical field
The utility model relates to oil with special thread tubing sub physical dimension field of measuring technique, specifically is a kind of measurement mechanism of female adapter chamfering diameter.
Background technology
The more traditional API threaded connector of special thread joint oil well pipe has the strength of joint height, and gas sealing ability is good, and is high pressure resistant, the corrosion-resistant good characteristic of Denging is so be widely used in petroleum gas drilling industry in recent years.Special thread joint oil pipe is that the special-purpose taper thread joint through having certain taper connects into tubing string by root, is lowered to accomplish the oil gas task of gathering in the oil gas well, divides male connection and female adapter.Accurate to dimension and interchangeability in order to ensure the connection of special thread tubing thread; Improve the safe reliability that special thread connects, all there is clear and definite size tolerance requirements in each special thread joint manufacturer to the physical dimension and the thread parameter of its threaded connector in its product specification and acceptance criteria.
Special thread oil pipe female adapter chamfering diameter D belongs in product specification and the acceptance criteria and to require an important physical dimension parameter measuring, is that clear and definite regulation is arranged to its tolerance in the standard generally.Special thread oil pipe female adapter chamfering diameter D is that fillet surface (being generally 45) and female adapter end face intersect a circular diameter that forms, and measurer and measuring method conventional when the examination and test of products are difficult to realize this diameter is carried out accurate and effective, measurement fast.
The utility model content
The purpose of the utility model is to solve existing pick-up unit to the not high problem of special thread oil pipe female adapter chamfering circular diameter D surveying work efficient, and a kind of rapid measurement device of the female adapter chamfering diameter that can measure effectively and rapidly special thread oil pipe female adapter chamfering diameter is provided.
The measurement mechanism of a kind of female adapter chamfering diameter that provides according to the utility model comprises:
Be provided with the measurement model of measurement block and measure handle;
Said measurement handle is fixed on said measurement model two ends.
Further, said measurement block is a right angle triangular structure, connects as one through a right-angle side and said measurement model.
Further, said measurement block is identical with the angle of the female adapter chamfering that needs to measure with the angle on said measurement model base.
Further; Said measurement block is arranged on the right side, lower end of said measurement model; The end points of said angle is the O point; Measuring the model left side and be provided with scale A point, B point, is the minimum value Lmin of female adapter chamfering diameter apart from OA between O point to the A scale, and between O point to the B scale is the maximal value Lmax of female adapter chamfering diameter apart from OB.
The rapid measurement device of a kind of female adapter chamfering diameter that the utility model provides; Fully guaranteeing to measure under the prerequisite of accuracy; Solve the problem that special thread oil pipe female adapter chamfering diameter can't directly accurately be measured, greatly improved the work efficiency of product in-process measurement and field test.
Description of drawings
Fig. 1 is the structural representation of a kind of female adapter chamfering diameter rapid measurement device of providing of the utility model embodiment;
Fig. 2 is the front view of female adapter chamfering diameter rapid measurement device shown in Figure 1;
Fig. 3 is the fundamental diagram of female adapter chamfering diameter rapid measurement device shown in Figure 1.
Embodiment
In conjunction with shown in Figure 1, a kind of female adapter chamfering diameter rapid measurement device that the utility model provides comprises: measure handle 1, measure model 2, measurement block 3 is measured scale mark 4.Measurement block 3 is a right angle triangular structure, connects as one through a right-angle side and measurement model 2.Measurement block 3 is identical with the angle of the female adapter chamfering that needs to measure with the angle of measuring model 2 bases.Generally angle ∠ a=45 ° of the female adapter chamfering.The end points of angle is the O point; Measure scale mark 4 and be arranged on the left side of measuring model 2; Being divided into A point and B point, is the minimum value Lmin of female adapter chamfering diameter apart from OA between O point to the A scale, and between O point to the B scale is the maximal value Lmax of female adapter chamfering diameter apart from OB.Range difference | OA-OB| is for measuring the tolerance value of female adapter chamfering diameter | Lmax-Lmin|, judge whether female adapter chamfering diameter is qualified through tolerance value.
Use above-mentioned female adapter chamfering diameter rapid measurement device to measure the process of female adapter chamfering diameter fast; In conjunction with Fig. 2, shown in Figure 3; During measurement; Measurement block 3 is provided with the end that O orders is close to bore hole one ends in the oil pipe female adapter 5; And 4 whiles of measurement scale mark and the applying of female adapter end face that keep measuring model 2 other ends, an end that keeps measurement block 3 to be connected with female adapter is then fixed, and makes an end that is provided with measurement scale mark 4 on the female adapter end face, do arc swing; Whether the maximum position of observing chamfering circular diameter (among Fig. 3 6) is between the A point of measuring scale mark 4 and position that B is ordered, and whether the maximum turning point of promptly confirming the chamfering circular diameter is between the tolerance range of measurement scale mark 4.When the maximum turning point of chamfering circular diameter within OA, explain that the chamfering circular diameter is less than normal.When the maximum turning point of chamfering circular diameter outside OB, explain that the chamfering circular diameter is bigger than normal.When the maximum turning point of chamfering circular diameter exists | between the OB-OA|, explain that then the chamfering circular diameter meets tolerance.So just finally accomplished measurement to special thread oil pipe female adapter chamfering diameter.
The rapid measurement device of a kind of female adapter chamfering diameter that the utility model provides; Fully guaranteeing to measure under the prerequisite of accuracy; Solve the problem that special thread oil pipe female adapter chamfering diameter can't directly accurately be measured, greatly improved the work efficiency of product in-process measurement and field test.
The foregoing description is the utility model preferred implementation; But the embodiment of the utility model is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit and the principle of the utility model, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within the protection domain of the utility model.
Claims (4)
1. the measurement mechanism of a female adapter chamfering diameter is characterized in that, comprising:
Be provided with the measurement model of measurement block and measure handle;
Said measurement handle is fixed on said measurement model two ends.
2. the measurement mechanism of female adapter chamfering diameter as claimed in claim 1 is characterized in that:
Said measurement block is a right angle triangular structure, connects as one through a right-angle side and said measurement model.
3. the measurement mechanism of female adapter chamfering diameter as claimed in claim 2 is characterized in that:
Said measurement block is identical with the angle of the female adapter chamfering that needs to measure with the angle on said measurement model base.
4. the measurement mechanism of female adapter chamfering diameter as claimed in claim 3 is characterized in that:
Said measurement block is arranged on the right side, lower end of said measurement model, and the end points of said angle is the O point,
Measuring the model left side and be provided with scale A point, B point, is the minimum value Lmin of female adapter chamfering diameter apart from OA between O point to the A scale, and between O point to the B scale is the maximal value Lmax of female adapter chamfering diameter apart from OB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200058988U CN202382683U (en) | 2012-01-06 | 2012-01-06 | Device for measuring chamfer diameter of internal thread joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200058988U CN202382683U (en) | 2012-01-06 | 2012-01-06 | Device for measuring chamfer diameter of internal thread joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202382683U true CN202382683U (en) | 2012-08-15 |
Family
ID=46631180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200058988U Expired - Fee Related CN202382683U (en) | 2012-01-06 | 2012-01-06 | Device for measuring chamfer diameter of internal thread joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202382683U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878907B (en) * | 2012-09-20 | 2016-12-21 | 靖江量具有限公司 | Measure chamfer angle of part slide calliper rule |
-
2012
- 2012-01-06 CN CN2012200058988U patent/CN202382683U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878907B (en) * | 2012-09-20 | 2016-12-21 | 靖江量具有限公司 | Measure chamfer angle of part slide calliper rule |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20130106 |