CN212363046U - End face annular groove inner and outer circle size measuring device - Google Patents
End face annular groove inner and outer circle size measuring device Download PDFInfo
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- CN212363046U CN212363046U CN202021148822.1U CN202021148822U CN212363046U CN 212363046 U CN212363046 U CN 212363046U CN 202021148822 U CN202021148822 U CN 202021148822U CN 212363046 U CN212363046 U CN 212363046U
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Abstract
The utility model relates to an end surface annular groove inner and outer circle size measuring device which can measure the inner and outer circle sizes of various end surface annular grooves, comprising a universal measuring instrument with a movable measuring support and a fixed measuring support, and a dial indicator arranged at the head of the universal measuring instrument, wherein two conversion joints are arranged at the inner side or the outer side of the movable measuring support and the fixed measuring support of the universal measuring instrument, and gear thread micrometer measuring heads are respectively arranged on the two conversion joints, according to the characteristics of the prior universal measuring instrument, the utility model can realize the detection of the inner and outer circle diameters of the end surface annular grooves by manufacturing the conversion joints and assembling the gear thread micrometer measuring heads on the conversion joints, can solve the measurement of the inner and outer circle sizes of various end surface annular grooves, the measuring precision can reach 0.01mm, and can also be used for the detection of the outer circle inner hole of a workpiece and the widths of various grooves, and, wide application range and convenient operation.
Description
Technical Field
The utility model relates to a can carry out measuring terminal surface annular groove inner and outer circle size measuring device to all kinds of terminal surface annular groove inner and outer circle sizes, the precision can reach 0.01mm, solves the current unable satisfying the requirements of utensil precision or the unable problem that detects of examining.
Background
In industrial products, part of products have an annular groove on the terminal surface when processing, utilize slide caliper rule detection precision to reach the drawing requirement when detecting the inside and outside circle size of groove, the testing result has great deviation, and use the micrometer to detect the precision and can satisfy the requirement but can't implement the operation, according to the functional characteristics of current universal measuring apparatu, through the preparation crossover sub, assemble gear screw thread micrometer gauge head on the crossover sub, thereby realize measuring, guarantee that the measuring result precision reaches 0.01mm, can satisfy daily processing and detect the needs.
Disclosure of Invention
An object of the utility model is to solve current detection instrument and can't satisfy and detect the required precision, and provide one kind and utilize current examine the utensil and realize detecting and reach drawing required precision's terminal surface annular groove inside and outside circle size measuring device method through the preparation crossover sub, avoid causing the unable detection of course of working or because of the improper condition such as size that causes of measuring tool takes place, effectual improvement detection means and detection efficiency.
The technical scheme of the utility model is realized like this:
the utility model provides an end face annular groove inner and outer circle size measuring device, includes the universal measuring instrument that has activity measurement support and fixed measurement support, installs the percentage table at universal measuring instrument head, its characterized in that: two adapter joints are arranged on the inner side or the outer side of a movable measuring support and a fixed measuring support of the universal measuring instrument, and gear thread micrometer measuring heads are respectively arranged on the two adapter joints.
Transition fit is adopted between crossover sub and the gear screw micrometer gauge head, guarantees that both possess centering nature and axiality.
The adapter and the universal measuring instrument are in transition fit.
The reading precision of the dial indicator arranged on the universal measuring instrument for reading reaches 0.01 mm.
The measuring head of the gear thread micrometer is in point contact with the workpiece.
The technical scheme of the utility model the positive effect that produces as follows: original detection instrument that can satisfy inside and outside circle diameter of terminal surface annular groove is slide caliper rule, but the detection precision of slide caliper rule is 0.02mm, can't satisfy customer's drawing requirement, the micrometer precision can satisfy and will go but can't implement the operation again, characteristics according to current universal measuring apparatu, through preparation crossover sub and assembly gear screw thread micrometer gauge head on the crossover sub, alright in order to realize the detection of inside and outside circle diameter of terminal surface annular groove, can also realize the inside and outside circle size detection of work piece and the detection of ring channel groove width, increased the detection means and improved detection efficiency.
The utility model provides a measurement of various terminal surface class annular groove inside and outside circle size, its measuring accuracy can reach 0.01mm, also can be used to the excircle hole and all kinds of groove width detection of work piece, simple structure, application range is wide, the operation of being convenient for.
Drawings
Fig. 1 is the measuring structure schematic diagram of the measuring ring groove of the utility model.
Fig. 2 is the utility model discloses measure the measurement structure sketch map of ring channel excircle size.
The labels in the figures are: 1. a dial indicator; 2. a universal measuring instrument; 3. a crossover sub; 4. a gear thread micrometer gauge head; 5. and (5) a workpiece.
Detailed Description
As shown in fig. 1 and 2, the device for measuring the inner and outer circle dimensions of the annular groove on the end surface comprises a universal measuring instrument 2 with a movable measuring support and a fixed measuring support, and a dial indicator 1 arranged at the head of the universal measuring instrument 2, wherein two adapter joints 3 are arranged on the inner side or the outer side of the movable measuring support and the fixed measuring support of the universal measuring instrument 2, and gear thread micrometer measuring heads 4 are respectively arranged on the two adapter joints 3.
Transition fit is adopted between the adapter 3 and the measuring head 4 of the gear thread micrometer, and the centering performance and the coaxiality of the adapter and the measuring head are guaranteed. The adapter 3 and the universal measuring instrument 2 are in transition fit. The reading precision of the dial indicator 1 arranged on the universal measuring instrument 2 reaches 0.01 mm. The measuring head 4 of the gear thread micrometer is in point contact with the workpiece 5.
The utility model discloses an install the crossover sub on movable measurement support and fixed measurement support respectively to and the assembly a pair of gear screw micrometer gauge head on the crossover sub, realize the ring channel inside and outside diameter through the difference of crossover sub mounted position and measure, detect position and choose for use suitable school pole or micrometer to calibrate between fixed measurement support of size adjustment and the movable measurement support according to the drawing, the adjustment percentage table reading returns to zero, can measure after the calibration.
As shown in fig. 1, in the actual detection process, if the size of the inner circle of the annular groove is detected, firstly, two gear thread micrometer gauge heads 4 are respectively installed in two adapter joints 3, then the two adapter joints 3 are respectively installed at the inner sides of a movable measuring bracket and a fixed measuring bracket on a universal measuring instrument 2, the gear thread micrometer gauge heads 4 and the adapter joints 3 as well as the adapter joints 3 and the two measuring brackets are in transition fit, after the assembly is completed, the position of the fixed measuring bracket on the universal measuring instrument 2 is adjusted according to the size of the inner circle of the processed annular groove, the measuring range of the fixed measuring bracket is adjusted to be within an appropriate range, the fixed measuring bracket is locked by a locking device on the fixed measuring bracket, an appropriate micrometer calibration rod is selected to enable the reading of the dial indicator 1 to return to zero, and the workpiece 5 can be;
as shown in fig. 2, if the size of the outer circle of the annular groove is detected, the adapter 3 with the gear thread micrometer gauge head 4 is respectively arranged on the outer sides of the movable measuring support and the fixed measuring support on the universal measuring instrument 2, the fixed measuring support on the universal measuring instrument 2 is adjusted to a proper position after assembly, a proper micrometer is selected to calibrate the gauge, the reading of the dial indicator is enabled to be zero, and then the workpiece 5 can be measured.
Claims (5)
1. The utility model provides an end face annular groove inner and outer circle size measuring device, includes universal measuring instrument (2) that have the activity to measure support and fixed measurement support, installs percentage table (1) at universal measuring instrument (2) head, its characterized in that: the inner side or the outer side of a movable measuring bracket and a fixed measuring bracket of the universal measuring instrument (2) is provided with
Two adapter joints (3), and gear thread micrometer measuring heads (4) are respectively arranged on the two adapter joints (3).
2. A device for measuring the inside and outside diameter of a end surface annular groove according to claim 1, wherein: transition fit is adopted between crossover sub (3) and gear screw micrometer gauge head (4), guarantees that both possess centering nature and axiality.
3. A device for measuring the inside and outside diameter of a end surface annular groove according to claim 1, wherein:
the adapter (3) and the universal measuring instrument (2) are in transition fit.
4. A device for measuring the inside and outside diameter of a end surface annular groove according to claim 1, wherein: the reading precision of the dial indicator (1) arranged on the universal measuring instrument (2) reaches 0.01 mm.
5. A device for measuring the inside and outside diameter of a end surface annular groove according to claim 1, wherein: the measuring head (4) of the gear thread micrometer is in point contact with the workpiece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021148822.1U CN212363046U (en) | 2020-06-19 | 2020-06-19 | End face annular groove inner and outer circle size measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021148822.1U CN212363046U (en) | 2020-06-19 | 2020-06-19 | End face annular groove inner and outer circle size measuring device |
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| Publication Number | Publication Date |
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| CN212363046U true CN212363046U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021148822.1U Active CN212363046U (en) | 2020-06-19 | 2020-06-19 | End face annular groove inner and outer circle size measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607029A (en) * | 2021-08-03 | 2021-11-05 | 哈尔滨汽轮机厂有限责任公司 | Narrow space ring groove inner diameter measuring device and using method thereof |
-
2020
- 2020-06-19 CN CN202021148822.1U patent/CN212363046U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607029A (en) * | 2021-08-03 | 2021-11-05 | 哈尔滨汽轮机厂有限责任公司 | Narrow space ring groove inner diameter measuring device and using method thereof |
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