CN215920201U - Outside micrometer head indicating value error verification fixture - Google Patents
Outside micrometer head indicating value error verification fixture Download PDFInfo
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- CN215920201U CN215920201U CN202121375167.8U CN202121375167U CN215920201U CN 215920201 U CN215920201 U CN 215920201U CN 202121375167 U CN202121375167 U CN 202121375167U CN 215920201 U CN215920201 U CN 215920201U
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- micrometer
- threaded rod
- connecting pipe
- frame connecting
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Abstract
The utility model relates to an outside micrometer calibrating tool, in particular to an outside micrometer indicating error calibrating fixture, which comprises a bracket, wherein the bracket comprises a threaded rod supporting seat, a half pipe and a micrometer frame connecting pipe, the half pipe is connected between the threaded rod supporting seat and the micrometer frame connecting pipe, the half pipe is connected at the bottom of the threaded rod supporting seat and the micrometer frame connecting pipe, the threaded rod is connected on the threaded rod supporting seat, the threaded rod is coaxial with the axis of the micrometer frame connecting pipe, the micrometer frame connecting pipe is connected on a micrometer, the micrometer comprises a micrometer frame and a micrometer screw rod, the micrometer frame connecting pipe is connected on the micrometer frame at one side of the micrometer screw rod, the front end of the threaded rod is abutted on the end surface of the micrometer screw rod, the utility model has simple and convenient structure, flexible and stable operation and convenient connection, can be suitable for micrometers with different sizes, cannot damage the micrometer, and can calibrate the micrometer indicating error very conveniently, effectively improve examination work efficiency.
Description
Technical Field
The utility model relates to an outside micrometer calibrating tool, in particular to a micrometer head indication error calibrating clamp of an outside micrometer.
Background
The outside micrometer is a measuring tool which changes the rotary motion into linear motion by applying the transmission principle of a screw pair and is mainly used for measuring various outside dimensions. The outside micrometer is generally composed of a micrometer frame, a locking device, a fixed sleeve, a micro-cylinder, a knob, an anvil, a micrometer screw and the like. When the outside micrometer indication error is calibrated, the indication error of the calibration micrometer head can be calibrated only under the condition that the measurement performance of the micrometer with the measurement range of more than 150mm, such as flatness, parallelism, relative offset of the measurement surface of the measuring anvil and the micrometer screw, and the like, meets the requirements.
A special checking fixture structure diagram for checking the indication error of a micrometer head is provided in JJG21-2008 calibration regulation of an outside micrometer, but the problems that clamping is inconvenient and parallelism is not easy to guarantee in a checking and calibrating process are found through using related tools.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a micrometer head indication error calibration fixture of an outside micrometer, which has the advantages of simple and convenient structure, flexible and stable operation and improvement of calibration work efficiency.
In order to solve the technical problem, the micrometer head indicating error calibrating fixture of the outside micrometer comprises a support, wherein the support comprises a threaded rod supporting seat, a half pipe and a micrometer frame connecting pipe, the half pipe is connected between the threaded rod supporting seat and the micrometer frame connecting pipe, the half pipe is connected to the bottoms of the threaded rod supporting seat and the micrometer frame connecting pipe, the threaded rod is connected to the threaded rod supporting seat, the threaded rod is coaxial with the axis of the micrometer frame connecting pipe, the micrometer frame connecting pipe is connected to a micrometer frame, the micrometer comprises a micrometer frame and a micrometer screw, the micrometer frame connecting pipe is connected to the micrometer frame on one side of the micrometer screw, and the front end of the threaded rod is abutted to the end face of the micrometer screw.
Furthermore, the lower end of the ruler frame connecting pipe is provided with a lower groove, the ruler frame is connected in the lower groove, the ruler frame connecting pipe is provided with a threaded hole III, a locking screw is connected in the threaded hole III, and the front end of the locking screw is connected to the ruler frame in a propping mode.
Further, the top of the ruler frame connecting pipe is provided with a threaded hole III, the left lower side part and the right lower side part of the ruler frame connecting pipe are provided with threaded holes III, the threaded hole III at the top of the ruler frame connecting pipe is provided with at least one, and the threaded holes III at the left lower side part and the right lower side part of the ruler frame connecting pipe are provided with at least one.
Furthermore, the left side and the right side of the micrometer frame connecting pipe are both provided with operating holes, and the locking device of the micrometer is connected in the operating holes.
Further, the threaded rod supporting seat on be equipped with screw hole I, screw hole I runs through the threaded rod supporting seat, screw hole I is coaxial with the chi rest connecting pipe, the threaded rod is connected in screw hole I.
Furthermore, threaded rod supporting seat top surface on be equipped with screw hole II, screw hole II is perpendicular with screw hole I, II in-connection in the screw hole have a locking screw, locking screw front end top joint is on the threaded rod.
Further, the threaded rod including screw thread portion I, nut head I and spherical testing anvil, screw thread portion I is established in I one end of nut head, the spherical testing anvil is established at the I other end in screw thread portion, nut head I is established in the threaded rod supporting seat outside, spherical testing anvil is connected on micrometer screw rod terminal surface, I surface of nut head is equipped with the annular knurl.
Furthermore, the locking screw comprises a thread part II and a nut head II, the thread part II is arranged at the lower end of the nut head II, the nut head II is arranged above the threaded rod supporting seat, and knurls are arranged on the outer surface of the nut head II.
Furthermore, a rubber pad is arranged between the ruler frame connecting pipe and the ruler frame, and the front end of the locking screw is abutted to the rubber pad.
The utility model has the beneficial effects that: the micrometer calibration device comprises a support, wherein the support comprises a threaded rod supporting seat, a half pipe and a micrometer frame connecting pipe, the half pipe is connected between the threaded rod supporting seat and the micrometer frame connecting pipe, the half pipe is connected to the bottom of the threaded rod supporting seat and the bottom of the micrometer frame connecting pipe, a threaded rod is connected to the threaded rod supporting seat, the axis of the threaded rod is coaxial with that of the micrometer frame connecting pipe, the micrometer frame connecting pipe is connected to a micrometer frame on one side of the micrometer screw, and the front end of the threaded rod is abutted to the end face of the micrometer screw.
Drawings
FIG. 1 is a schematic view of the construction of the micrometer of the present invention in use;
FIG. 2 is a structural cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of a stent of the present invention
FIG. 4 is a cross-sectional view A-A of FIG. 3 according to the present invention;
fig. 5 is a cross-sectional view B-B of fig. 3 according to the present invention.
In the figure: 1. a support; 101. a threaded rod supporting seat; 102. a half pipe; 103. a ruler frame connecting pipe; 104. a threaded hole I; 105. a threaded hole II; 106. a threaded hole III; 107. an operation hole; 108. a lower groove; 2. a threaded rod; 201. a threaded part I; 202. a nut head I; 203. a spherical measuring anvil; 3. locking the screw rod; 301. a threaded part II; 302. a nut head II; 4. locking the screw; 5. a ruler frame; 6. and (4) a micrometer screw.
Detailed Description
As shown in fig. 1-5, the micrometer head indication error calibration fixture of the outside micrometer of the present invention comprises a support 1, the support 1 comprises a threaded rod supporting seat 101, a half-tube 102 and a micrometer frame connecting tube 103, the half-tube 102 is connected between the threaded rod supporting seat 101 and the micrometer frame connecting tube 103, the half-tube 102 is connected to the bottoms of the threaded rod supporting seat 101 and the micrometer frame connecting tube 103, the threaded rod 2 is connected to the threaded rod supporting seat 101, the axis of the threaded rod 2 is coaxial with the axis of the micrometer frame connecting tube 103, the micrometer frame connecting tube 103 is connected to the micrometer, the micrometer comprises a micrometer frame 5 and a micrometer screw 6, the micrometer frame connecting tube 103 is connected to the micrometer frame 5 on one side of the micrometer screw 6, and the front end of the threaded rod 2 abuts against the end face of the micrometer screw 6.
Further, the lower end of the ruler frame connecting pipe 103 is provided with a lower groove 108, the ruler frame 5 is connected in the lower groove 108, the ruler frame connecting pipe 103 is provided with a threaded hole III 106, a locking screw 4 is connected in the threaded hole III 106, and the front end of the locking screw 4 is abutted to the ruler frame 5.
Further, a threaded hole III 106 is formed in the top of the ruler frame connecting pipe 103, threaded holes III 106 are formed in the left lower side portion and the right lower side portion of the ruler frame connecting pipe 103, at least one threaded hole III 106 is formed in the top of the ruler frame connecting pipe 103, and at least one threaded hole III 106 is formed in the left lower side portion and the right lower side portion of the ruler frame connecting pipe 103.
Furthermore, the left side and the right side of the micrometer frame connecting pipe 103 are both provided with an operation hole 107, and a locking device of the micrometer is connected in the operation hole 107.
Further, threaded rod supporting seat 101 on be equipped with screw hole I104, screw hole I104 runs through threaded rod supporting seat 101, screw hole I104 is coaxial with chi frame connecting pipe 103, threaded rod 2 is connected in screw hole I104.
Furthermore, the top surface of the threaded rod supporting seat 101 is provided with a threaded hole II 105, the threaded hole II 105 is perpendicular to the threaded hole I104, the threaded hole II 105 is internally connected with a locking screw rod 3, and the front end of the locking screw rod 3 is connected to the threaded rod 2 in a propping manner.
Further, threaded rod 2 including screw thread portion I201, nut head I202 and spherical anvil 203, screw thread portion I201 establishes in nut head I202 one end, and spherical anvil 203 establishes at the I201 other end of screw thread portion, and nut head I202 establishes in the threaded rod supporting seat 101 outside, and spherical anvil 203 connects on micrometer screw 6 terminal surface, and nut head I202 surface is equipped with the annular knurl.
Furthermore, the locking screw 3 comprises a thread part II 301 and a nut head II 302, the thread part II 301 is arranged at the lower end of the nut head II 302, the nut head II 302 is arranged above the threaded rod supporting seat 101, and the outer surface of the nut head II 302 is provided with knurls.
Furthermore, a rubber pad is arranged between the ruler frame connecting pipe 103 and the ruler frame 5, and the front end of the locking screw 4 is abutted against the rubber pad.
When the micrometer caliper is used, the caliper frame 5 on one side of the micrometer screw 6 is connected into the caliper frame connecting pipe 103 and the lower groove 108, the support 1 is fixed on the caliper frame 5 through the locking screw 4, the rubber pad can prevent the front end of the locking screw 4 from damaging the outer surface of the micrometer, the micrometer to be measured is rotated to a zero position, then the threaded rod 2 is rotated through the nut head I202 to enable the spherical anvil 203 to be in contact with the end surface of the micrometer screw 6, and then the threaded rod 2 is tightly pressed through the locking screw 3 by rotating the nut head II 302, so that zero alignment is completed. In order to correct the zero position, the measured micrometer can be rotated, the measuring surface of the micrometer is contacted with the ball anvil, if the zero position needs to be corrected, the locking screw rod 3 is loosened, and the threaded rod 2 is rotated to correct until the zero position is corrected. After the zero position is finished, the special measuring block can be used for verifying and calibrating the indicating value error of the micrometer head of the micrometer to be measured.
The knurling of the outer surface of the nut head II 302 and the knurling of the outer surface of the nut head I202 operate in rotation.
The micrometer head indicating error detecting device is simple and convenient in structure, flexible and stable in operation, convenient in connection, applicable to micrometers of different sizes, free of damage to the micrometers, capable of conveniently detecting and calibrating micrometer head indicating errors and effectively improving detecting work efficiency.
Claims (9)
1. The utility model provides an outside micrometer head indicating value error examination anchor clamps which characterized in that: including support (1), support (1) is including threaded rod supporting seat (101), half pipe (102) and chi frame connecting pipe (103), half pipe (102) are connected between threaded rod supporting seat (101) and chi frame connecting pipe (103), half pipe (102) are connected in threaded rod supporting seat (101) and chi frame connecting pipe (103) bottom, be connected with threaded rod (2) on threaded rod supporting seat (101), threaded rod (2) are coaxial with chi frame connecting pipe (103) axis, chi frame connecting pipe (103) are connected on the micrometer, the micrometer is including chi frame (5) and micrometer screw rod (6), chi frame connecting pipe (103) are connected on micrometer screw rod (6) one side chi frame (5), threaded rod (2) front end top joint is on micrometer screw rod (6) terminal surface.
2. The micrometer head indication error calibration jig of the outside micrometer according to claim 1, characterized in that: the lower end of the ruler frame connecting pipe (103) is provided with a lower groove (108), the ruler frame (5) is connected in the lower groove (108), the ruler frame connecting pipe (103) is provided with a threaded hole III (106), a locking screw (4) is connected in the threaded hole III (106), and the front end of the locking screw (4) is connected to the ruler frame (5) in a propping mode.
3. The micrometer head indication error calibration jig of the outside micrometer according to claim 2, characterized in that: the top of the ruler frame connecting pipe (103) is provided with a threaded hole III (106), the left lower side part and the right lower side part of the ruler frame connecting pipe (103) are provided with threaded holes III (106), the threaded hole III (106) at the top of the ruler frame connecting pipe (103) is provided with at least one, and the threaded holes III (106) at the left lower side part and the right lower side part of the ruler frame connecting pipe (103) are provided with at least one.
4. The micrometer head indication error calibration jig of the outside micrometer according to claim 3, wherein: the left side and the right side of the micrometer frame connecting pipe (103) are respectively provided with an operating hole (107), and a locking device of the micrometer is connected in the operating holes (107).
5. The micrometer head indication error verification fixture of the outside micrometer according to claim 4, wherein: threaded rod supporting seat (101) on be equipped with screw hole I (104), screw hole I (104) run through threaded rod supporting seat (101), screw hole I (104) are coaxial with chi frame connecting pipe (103), threaded rod (2) are connected in screw hole I (104).
6. The micrometer head indication error verification fixture of the outside micrometer according to claim 5, wherein: threaded rod supporting seat (101) top surface on be equipped with screw hole II (105), screw hole II (105) are perpendicular with screw hole I (104), screw hole II (105) in-connection has locking screw (3), locking screw (3) front end top connection is on threaded rod (2).
7. The micrometer head indication error verification fixture of the outside micrometer according to claim 5, wherein: threaded rod (2) including screw thread portion I (201), nut head I (202) and spherical testing anvil (203), screw thread portion I (201) is established in nut head I (202) one end, the spherical testing anvil (203) is established at screw thread portion I (201) other end, nut head I (202) is established in threaded rod supporting seat (101) outside, spherical testing anvil (203) are connected on micrometer screw rod (6) terminal surface, nut head I (202) surface is equipped with the annular knurl.
8. The micrometer head indication error verification fixture of the outside micrometer according to claim 6, wherein: the locking screw rod (3) comprises a thread part II (301) and a nut head II (302), the thread part II (301) is arranged at the lower end of the nut head II (302), the nut head II (302) is arranged above the threaded rod supporting seat (101), and the outer surface of the nut head II (302) is provided with knurls.
9. The micrometer head indication error calibration jig according to any one of claims 2 to 8, wherein: a rubber pad is arranged between the ruler frame connecting pipe (103) and the ruler frame (5), and the front end of the locking screw (4) is abutted to the rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121375167.8U CN215920201U (en) | 2021-06-21 | 2021-06-21 | Outside micrometer head indicating value error verification fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121375167.8U CN215920201U (en) | 2021-06-21 | 2021-06-21 | Outside micrometer head indicating value error verification fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215920201U true CN215920201U (en) | 2022-03-01 |
Family
ID=80403234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121375167.8U Active CN215920201U (en) | 2021-06-21 | 2021-06-21 | Outside micrometer head indicating value error verification fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215920201U (en) |
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2021
- 2021-06-21 CN CN202121375167.8U patent/CN215920201U/en active Active
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