CN202119361U - Measuring device used for measuring large diameter of internal thread - Google Patents
Measuring device used for measuring large diameter of internal thread Download PDFInfo
- Publication number
- CN202119361U CN202119361U CN2011202082629U CN201120208262U CN202119361U CN 202119361 U CN202119361 U CN 202119361U CN 2011202082629 U CN2011202082629 U CN 2011202082629U CN 201120208262 U CN201120208262 U CN 201120208262U CN 202119361 U CN202119361 U CN 202119361U
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- China
- Prior art keywords
- measuring
- mandrel
- thread
- gauge
- measuring device
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- 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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- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a measuring device used for measuring the large diameter of an internal thread. The measuring device comprises a compression nut, a spring, a mandrel, a gauge block, a support frame, an adjusting nut, a dial gauge, a screw and a gauge calibrating ring, wherein the gauge block is arranged in the support frame, the rod part of the mandrel is inserted into the support frame, the adjusting nut is arranged at the tail part of the mandrel, the spring is arranged at the head part of the mandrel, the compression nut is arranged, the dial gauge is arranged in a measuring rod, fixed via the screw, and inserted into one end of the support frame, and the measuring head of the dial gauge and the bottom end of the rod part of the mandrel are contacted. The measuring device used for measuring the large diameter of the internal thread is accurate in measuring and improves the precision of a product; the measuring device is short in measuring time and well improves production efficiency; the measuring device is simple in structure and can be widely used; the measuring device is high in efficiency and versatility, and can measure threads of other specifications via changing the size of the gauge block; and the measuring device greatly improves work efficiency and measuring accuracy.
Description
Technical field
The utility model relates to a kind of internal thread and measures apparatus, particularly relates to a kind of measurer that can measure the big footpath of internal thread accurately, fast.
Background technology
At present, in machining, some special parts needs to measure the big footpath size of internal thread for guaranteeing physical strength, and general measurer is all measured very inconvenient.The big footpath measurement apparatus of the internal thread of therefore, need a kind of accuracy and rapidity that can guarantee to measure of design, enhancing productivity, reduce cost, guarantee the product precision.
The utility model content
The utility model technical matters to be solved provides a kind of measurer that can measure the big footpath of internal thread accurately, fast.
In order to solve the problems of the technologies described above; The utility model adopts following technical scheme: a kind of measurer of measuring the big footpath of internal thread, comprise gland nut, spring, mandrel, gauge block, bracing frame, adjustment nut, dial gauge, screw and his-and-hers watches ring, and said gauge block is packed in the bracing frame; Again mandrel rod portion is inserted in the bracing frame; At the mandrel afterbody adjustment nut is installed simultaneously, in its head mounting spring, is then loaded onto gland nut again; At last dial gauge being packed into is screwed the end that bracing frame is inserted in the back behind the gauge rod, and the measuring head of dial gauge contacts with mandrel rod portion bottom.
Said gauge block center is provided with internal taper; The surface is provided with screw thread; The tooth form of screw thread adopts 60 ° and subtracts tolerance, and its thread pitch is identical with the thread pitch and the pitch diameter of thread of tested screw thread with the pitch diameter of thread, and its core diameter of thread is than the little 0.1～0.5mm of the measured core diameter of thread.
The internal taper that the tapering of said mandrel head and gauge block center are provided with is coaxial with outer-diameter threads.
The measuring head of said mandrel and dial gauge and all be positioned on the same axial line with the supporting gauge rod of dial gauge.
A kind of measurer of measuring the big footpath of internal thread of the utility model, it is measured accurately, has improved the precision of product; Measure used time weak point, well improved production efficiency; Simple in structure, can use in a large number; Use this measurer, efficient is high, and highly versatile can be measured the screw thread of other specifications in the size of change gauge block.Improved the accuracy of work efficiency and measurement greatly.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain.
Fig. 1 is a kind of front view of measuring the measurer in the big footpath of internal thread of the utility model.
Fig. 2 is a kind of vertical view of measuring the measurer in the big footpath of internal thread of the utility model.
Fig. 3 is the front view of gauge block among Fig. 1.
Fig. 4 is the vertical view of gauge block among Fig. 1.
Fig. 5 is the front view of his-and-hers watches ring among Fig. 1.
Fig. 6 is the vertical view of his-and-hers watches ring among Fig. 1.
Embodiment
Disclosed all characteristics in this instructions, or the step in disclosed all methods or the process except mutually exclusive characteristic and/or the step, all can make up by any way.
Disclosed arbitrary characteristic in this instructions (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6; A kind of measurer of measuring the big footpath of internal thread of the utility model comprises gland nut 1, spring 2, mandrel 3, gauge block 4, bracing frame 5, adjustment nut 6, dial gauge 7, screw 8 and his-and-hers watches ring 9, and said gauge block 4 is packed in the bracing frame 5; Again mandrel 3 bar portions are inserted in the bracing frame 5; At mandrel 3 afterbodys adjustment nut 6 is installed simultaneously, in its head mounting spring 2, is then loaded onto gland nut 1 again; At last dial gauge 7 is packed into behind the gauge rod and insert ends of bracing frames 5 with screw 8 fixing backs, the measuring head of dial gauge 7 contacts with mandrel 3 bar portion bottoms.
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6; Employed a kind of measurer of measuring the big footpath of internal thread in the utility model; Wherein said gauge block 4 centers are provided with internal taper, and the surface is provided with screw thread, and the tooth form of screw thread adopts 60 ° and subtracts tolerance; And its thread pitch is identical with the thread pitch and the pitch diameter of thread of tested screw thread with the pitch diameter of thread, and its core diameter of thread is than the little 0.1～0.5mm of the measured core diameter of thread.
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, employed a kind of measurer of measuring the big footpath of internal thread in the utility model, the internal taper that the tapering of wherein said mandrel 3 heads and gauge block 4 centers are provided with is coaxial with outer-diameter threads.
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, employed a kind of measurer of measuring the big footpath of internal thread in the utility model, wherein said mandrel 3 all is positioned on the same axial line with the measuring head of dial gauge 7 with the supporting gauge rod of dial gauge.
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6; A kind of measurer of measuring the big footpath of internal thread of the utility model, first when in use adjustment part gauge block 4 be with after his-and-hers watches ring 9 contacts, and 7 pairs zero of dial gauges; Formally measure tested screw thread again, read the reading of dial gauge.Calculate the measured core diameter of thread by following formula:
At the bottom of the D=and D is right+2Btan7.5 °
At the bottom of the D---the measured core diameter of thread
D is right---his-and-hers watches ring internal diameter
B----dial gauge reading (increment is for just, and decrement is for negative)
A kind of measurer of measuring the big footpath of internal thread of the utility model, it is measured accurately, has improved the precision of product; Measure used time weak point, well improved production efficiency; Simple in structure, can use in a large number; Use this measurer, efficient is high, and highly versatile can be measured the screw thread of other specifications in the size of change gauge block 4.Improved the accuracy of work efficiency and measurement greatly.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (4)
1. measurer of measuring the big footpath of internal thread; Comprise gland nut (1), spring (2), mandrel (3), gauge block (4), bracing frame (5), adjustment nut (6), dial gauge (7), screw (8) and his-and-hers watches ring (9); It is characterized in that: said gauge block (4) is packed in the bracing frame (5); Again mandrel (3) bar portion is inserted in the bracing frame (5); At mandrel (3) afterbody adjustment nut (6) is installed simultaneously, in its head mounting spring (2), is then loaded onto gland nut (1) again; At last dial gauge (7) is packed into behind the gauge rod and insert an end of bracing frame (5) with the fixing back of screw (8), the measuring head of dial gauge (7) contacts with mandrel (3) bar portion bottom.
2. a kind of measurer of measuring the big footpath of internal thread according to claim 1; It is characterized in that: said gauge block (4) center is provided with internal taper; The surface is provided with screw thread; The tooth form of screw thread adopts 60 ° and subtracts tolerance, and its thread pitch is identical with the thread pitch and the pitch diameter of thread of tested screw thread with the pitch diameter of thread, and its core diameter of thread is than the little 0.1～0.5mm of the measured core diameter of thread.
3. a kind of measurer of measuring the big footpath of internal thread according to claim 1 is characterized in that: it is coaxial with outer-diameter threads that the center of the head tapering of said mandrel (3) and gauge block (4) is provided with internal taper.
4. a kind of measurer of measuring the big footpath of internal thread according to claim 1 is characterized in that: said mandrel (3) all is positioned on the same axial line with the measuring head of dial gauge (7) with the supporting gauge rod of dial gauge (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202082629U CN202119361U (en) | 2011-06-20 | 2011-06-20 | Measuring device used for measuring large diameter of internal thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202082629U CN202119361U (en) | 2011-06-20 | 2011-06-20 | Measuring device used for measuring large diameter of internal thread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202119361U true CN202119361U (en) | 2012-01-18 |
Family
ID=45460420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202082629U Expired - Fee Related CN202119361U (en) | 2011-06-20 | 2011-06-20 | Measuring device used for measuring large diameter of internal thread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202119361U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853739A (en) * | 2012-08-15 | 2013-01-02 | 厦门天机自动化有限公司 | Measuring tool for measuring large end diameter of conical hole |
| CN104764390A (en) * | 2015-03-26 | 2015-07-08 | 宁波祥瑞机械有限公司 | Measurement tool for measuring symmetry of eccentric shaft |
| CN110095043A (en) * | 2019-06-10 | 2019-08-06 | 常州泽尔达机械有限公司 | A kind of pitch diameter admeasuring apparatus |
| CN110645946A (en) * | 2019-11-05 | 2020-01-03 | 四川大学 | Portable large-diameter deep hole internal thread pitch diameter on-site measuring instrument and measuring method thereof |
-
2011
- 2011-06-20 CN CN2011202082629U patent/CN202119361U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853739A (en) * | 2012-08-15 | 2013-01-02 | 厦门天机自动化有限公司 | Measuring tool for measuring large end diameter of conical hole |
| CN104764390A (en) * | 2015-03-26 | 2015-07-08 | 宁波祥瑞机械有限公司 | Measurement tool for measuring symmetry of eccentric shaft |
| CN110095043A (en) * | 2019-06-10 | 2019-08-06 | 常州泽尔达机械有限公司 | A kind of pitch diameter admeasuring apparatus |
| CN110645946A (en) * | 2019-11-05 | 2020-01-03 | 四川大学 | Portable large-diameter deep hole internal thread pitch diameter on-site measuring instrument and measuring method thereof |
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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: 20120118 Termination date: 20140620 |
|
| EXPY | Termination of patent right or utility model |