CN111707166A - Height measuring device of expansion type check valve in deep hole - Google Patents

Height measuring device of expansion type check valve in deep hole Download PDF

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Publication number
CN111707166A
CN111707166A CN202010461021.9A CN202010461021A CN111707166A CN 111707166 A CN111707166 A CN 111707166A CN 202010461021 A CN202010461021 A CN 202010461021A CN 111707166 A CN111707166 A CN 111707166A
Authority
CN
China
Prior art keywords
measuring
measuring rod
check valve
hole
rod
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.)
Pending
Application number
CN202010461021.9A
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Chinese (zh)
Inventor
吴亚威
陈义
李迎吉
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Wuxi Institute of Technology
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Wuxi Institute of Technology
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 Wuxi Institute of Technology filed Critical Wuxi Institute of Technology
Priority to CN202010461021.9A priority Critical patent/CN111707166A/en
Publication of CN111707166A publication Critical patent/CN111707166A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/02Measuring arrangements characterised by the use of mechanical means for measuring length, width or thickness
    • G01B5/06Measuring arrangements characterised by the use of mechanical means for measuring length, width or thickness for measuring thickness
    • G01B5/061Measuring arrangements characterised by the use of mechanical means for measuring length, width or thickness for measuring thickness height gauges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means

Abstract

The invention discloses a height measuring device of an expansion type check valve in a deep hole, which has the technical scheme that the height measuring device comprises a measuring device and a calibrating device used for calibrating the measuring device, the measuring device comprises a digital display dial indicator, a gauge body, a gasket, a copper sleeve, a measuring rod, a spring and a digital display dial indicator ejector rod, the calibrating device comprises a calibrating block, a connecting block and a base, the gauge body plays a supporting role, the measuring rod is arranged in the gauge body, the digital display dial indicator is arranged at the top of the measuring rod, the digital display dial indicator ejector rod is arranged at the bottom of the digital display dial indicator, the top end of the measuring rod is directly contacted with the digital display dial indicator ejector rod, the copper sleeve is fixedly connected with the periphery of the measuring rod, the gasket is fixedly connected with the periphery of the top of the measuring rod, the spring is fixedly connected between the gasket and the copper sleeve, the measuring rod wall is arranged outside the measuring rod, the copper sleeve, the gasket, and is fixed on the gauge body through a screw, and the calibration block and the connecting block are fixedly arranged at the top of the base.

Description

Height measuring device of expansion type check valve in deep hole
Technical Field
The invention relates to the technical field of one-way valve measurement, in particular to a height measuring device of a deep hole middle expansion type one-way valve.
Background
The existing expansion type one-way valve has small volume, light weight and low requirement on a mounting hole, and has wide application in many fields. In order to ensure the adhesive force and the sealing effect of the expansion type check valve after the pressing-in hole is pressed, certain control requirements are provided for the size after the pressing-in, the height difference between the middle pin part and the end face of the outer wall of the edge is generally controlled, the height difference is very convenient to measure if the expansion type check valve is exposed outside, and the height can be very difficult to directly measure if the expansion type check valve is positioned in places which are not convenient to observe, such as a deep hole.
Disclosure of Invention
Aiming at the technical problems, the invention overcomes the defects of the prior art and provides a height measuring device of a deep hole middle expansion type check valve.
The technical scheme of the invention is further defined as follows: a height measuring device of a deep hole middle expansion type check valve comprises a measuring device and a calibrating device used for calibrating the measuring device, wherein the measuring device comprises a digital display dial indicator, a gauge body, a gasket, a copper sleeve, a measuring rod, a spring and a digital display dial indicator ejector rod, the calibrating device comprises a calibrating block, a connecting block and a base, the gauge body plays a supporting role, the measuring rod is arranged inside the gauge body, the digital display dial indicator is arranged at the top of the measuring rod, the digital display dial indicator ejector rod is arranged at the bottom of the digital display dial indicator, the top end of the measuring rod is in direct contact with the digital display dial indicator ejector rod, the copper sleeve is fixedly connected with the periphery of the measuring rod, the gasket is fixedly connected with the periphery of the top of the measuring rod, the spring is fixedly connected between the gasket and the copper sleeve, a measuring rod wall is arranged outside the measuring rod, and the copper sleeve, the gasket and the spring are all arranged between, the digital display dial indicator is used for reading a numerical value and is fixed on the gauge body through a screw, and the calibration block and the connecting block are fixedly installed at the top of the base.
Furthermore, the length of the measuring rod wall should be larger than the depth of the measured hole, the inner diameter of the measuring rod wall is larger than the outer diameter of the middle pin part of the expansion type check valve, so that the measuring rod wall cannot touch the outer diameter of the middle pin part of the expansion type check valve when moving downwards, and the outer diameter of the measuring rod wall is smaller than the inner diameter of the measured hole, so that the measuring rod wall cannot touch the hole wall of the measured hole when moving downwards.
Furthermore, the outer diameter of the measuring rod is smaller than the inner diameter of the wall of the measuring rod so as to ensure the thickness and the strength of the wall of the measuring rod, and the end face of the measuring rod is kept flat so as to ensure that the end face of the measuring rod is fully contacted with the end face of the middle pin part of the expansion type check valve.
Furthermore, the measuring rod and the copper sleeve are in interference fit, so that the measuring rod is guided and antifriction in the inner hole of the gauge body in a vertical motion mode.
Further, a countersunk groove is formed in the gauge body, and the gasket is mounted inside the countersunk groove.
Furthermore, the hole depth of the calibration block is smaller than the height of the measuring rod wall, and the plane of the hole bottom of the calibration block is kept flat.
Furthermore, a center hole is formed in the middle of the base, and the bottom surface of the base is kept flat.
Furthermore, the connecting block enables the calibration block to be connected to the base through screws, and the connecting block and the calibration block are matched for use so as to ensure that the bottom plane of the hole of the calibration block is smooth.
The invention has the beneficial effects that:
according to the invention, the device is connected with an upper digital display dial indicator, a measuring rod and a measuring rod sleeve are deep into a deep hole, the measuring rod is firstly contacted with the end surface of the middle pin part of the expansion type check valve, the gauge body is continuously pushed to move downwards, the measuring rod stretches upwards along the gasket and the copper sleeve, and the ejector rod of the digital display dial indicator is pushed to move, so that the digital change on the digital display dial indicator is caused, and the digital change stops until the end surface of the measuring rod wall is contacted with the end surface of the outer wall of the expansion type check valve, namely the height difference between the middle pin part of the expansion type check valve and the end surface of the outer wall of the edge is expressed, so that the purpose of measuring the height of the expansion type check valve can be.
Drawings
FIG. 1 is an external structural view of the present invention;
FIG. 2 is a cross-sectional view of the device of the present invention;
FIG. 3 is a schematic view of the structure of the calibration device of the present invention;
figure 4 is a schematic representation of the required dimensional measurements for the expansion check valve of the present invention.
In the figure, 1, a dial indicator is displayed digitally; 2. a gauge body; 3. a gasket; 4. a copper sleeve; 5. a measuring rod; 6. a calibration block; 7. connecting blocks; 8. a base; 9. a spring; 10. a measuring rod wall; 11. a digital display dial indicator ejector rod; 12. a measuring device; 13. a calibration device; 14. countersunk head groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: a height measuring device of a deep hole middle expansion type check valve is shown in figures 1 to 4, the whole device comprises a measuring device 12 and a calibrating device 13, the measuring device 12 comprises a digital display dial indicator 1, a gauge body 2, a gasket 3, a copper sleeve 4, a measuring rod 5, a spring 9 and a digital display dial indicator ejector rod 11, the calibrating device 13 is used for calibrating the measuring device 12 and comprises a calibrating block 6, a connecting block 7 and a base 8, the measuring rod 5 is arranged inside the gauge body 2, the digital display dial indicator 1 is arranged at the top of the measuring rod 5, the digital display dial indicator ejector rod 11 is arranged at the bottom of the digital display dial indicator 1, the top end of the measuring rod 5 is in direct contact with the digital display dial indicator ejector rod 11, the copper sleeve 4 is fixedly connected to the periphery of the measuring rod 5, the gasket 3 is fixedly connected to the periphery of the top of the measuring rod 5, the spring 9 is fixedly connected between the gasket 3 and the copper sleeve 4, a measuring rod wall 10 is arranged outside, Gasket 3, spring 9 all install between survey pole wall 10 and measuring staff 5, and digital display percentage table 1 is used for reading numerical value, and through the fix with screw to the compasses body 2 on, calibration block 6, connecting block 7 fixed mounting are at the top of base 8.
The gauge body 2 plays a role in supporting other parts on one hand, the measuring rod wall 10 on the gauge body 2 plays a role in positioning reference on the other hand, the height difference measured by the whole measuring device 12 is determined by the height difference of the measuring rod wall 10 and the end face of the measuring rod 5, the length of the measuring rod wall 10 is larger than the depth of a measured hole, the inner diameter of the measuring rod wall 10 is larger than the outer diameter of the middle pin part of the expansion type check valve, so that the measuring rod wall 10 does not touch the outer diameter of the middle pin part of the expansion type check valve when moving downwards, and the outer diameter of the measuring rod wall 10 is smaller than the inner diameter of the measured hole, so that the measuring rod wall 10 does not touch the measured hole wall when moving downwards.
The measuring rod 5 plays a role in measurement, the end face of the measuring rod 5 is in contact with the end face of the middle pin part of the expansion type check valve, then the gauge body 2 is pushed downwards until the end face of the measuring rod wall 10 is in contact with the end face of the edge outer wall of the expansion type check valve, the gauge body 2 stops moving, a copper sleeve 4 is fixed on the specified part of the measuring rod 5 in an interference fit mode, the measuring rod 5 moves up and down in the gauge body 2 through the guide of the copper sleeve 4, the other end of the measuring rod 5 is in direct contact with the ejector rod 11 of the digital display dial indicator, when the measuring rod 5 moves, the reading of the digital display dial indicator 1 changes, the outer diameter of the measuring rod 5 is smaller than the inner diameter of the measuring rod wall 10, the measuring rod wall 10 is guaranteed to have sufficient thickness and strength, and the end face of the measuring rod 5 is kept flat so as to guarantee that the end face.
The copper bush 4 is fixed on the measuring rod 5 through interference fit and used for fixing the spring 9 and ensuring that the measuring rod 5 is guided and antifriction in the inner hole of the gauge body 2 in a vertical motion manner.
The spring 9 is placed between the copper sleeve 4 and the gasket 3, the gauge body 2 is pressed downwards during measurement, the spring 9 is compressed, and when the measurement is finished and taken out, the measuring rod 5 is reset under the action of the spring 9.
The washer 3 is fitted in a countersunk groove 14 formed in the gauge body 2 to function as a stopper for the spring 9.
The digital display dial indicator 1 is used for reading a numerical value, is preferably fixed on the gauge body 2 through a screw, and changes correspondingly when the ejector rod 11 of the digital display dial indicator is pushed upwards by the measuring rod 5.
The calibration block 6 plays a role in calibrating the measuring device 12, the hole depth is smaller than the height of the measuring rod wall 10, the hole bottom plane is kept flat and kept vertical to the hole, when the measuring rod 5 is placed in the calibration block 6 and contacts the hole bottom plane, the measuring rod wall 10 is flush with the end face of the measuring rod 5, the measured height difference is 0, and the reset key on the digital display dial indicator 1 is adjusted to enable the reading to be 0.
The base 8 plays a role in supporting the calibration block 6 and the connecting block 7, a central hole is formed in the middle of the base 8 and used for installing a screw, the bottom surface of the base 8 is smooth, and the central hole is perpendicular to the central hole.
The connecting block 7 enables the calibrating block 6 to be connected to the base 8 through screws, and the connecting block 7 is matched with the calibrating block 6 to ensure that the bottom plane of the hole of the calibrating block 6 is smooth and vertical to the center hole.
Before the measurement device 12 is used for measurement, a calibration part of the measurement device 12 is used for calibration, and the specific principle is as follows, a measuring rod 5 and a measuring rod 5 sleeve of the measurement device 12 are inserted into a calibration device 13, the length of the measuring rod 5 and the measuring rod 5 sleeve is larger than the depth of a hole in a calibration block 6, as the end surface of the measuring rod 5 firstly touches the bottom of the hole in the calibration block 6 and continues to press a gauge body 2 downwards, the measuring rod 5 stretches upwards along a gasket 3 and a copper sleeve 4 to push a top rod 11 of the digital display dial indicator to move, so that the number on the digital display dial indicator 1 changes, when the end surfaces of the measuring rod 5 and a measuring rod wall 10 are parallel, the number on the digital display dial indicator 1 is reset to 0, at this time, the measured height difference is represented to be 0, a reset key on the digital display dial indicator 1 is adjusted to enable the reading to be 0, and at this.
As shown in fig. 4, the measured height difference X is 0, that is, the height difference between the middle pin portion of the expansion check valve and the end surface of the edge outer wall is 0, when the dial indicator 1 is positive, the middle pin portion of the expansion check valve is higher than the end surface of the edge outer wall, and conversely, the middle pin portion of the expansion check valve is lower than the end surface of the edge outer wall.
Then, a measuring rod 5 and a measuring rod 5 sleeve of the measuring device 12 are inserted into the deep hole, the measuring rod 5 contacts the end face of the middle pin part of the expansion type check valve firstly, the gauge body 2 is pushed to move downwards continuously, the measuring rod 5 stretches upwards along the gasket 3 and the copper sleeve 4, the ejector rod 11 of the digital display dial indicator is pushed to move, the digital change on the digital display dial indicator 1 is caused, the digital change stops until the end face of the measuring rod wall 10 contacts the end face of the outer wall of the expansion type check valve, namely the height difference between the middle pin part of the expansion type check valve and the end face of the outer wall of the edge is represented, the measuring device 12 is taken out after the measurement is finished.
The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims.

Claims (8)

1. The utility model provides a high measuring device of inflation formula check valve in deep hole, includes measuring device (12) and calibration device (13) that are used for calibrating measuring device (12), measuring device (12) are including digital display percentage table (1), the rule body (2), gasket (3), copper sheathing (4), measuring staff (5), spring (9), digital display percentage table ejector pin (11), calibration device (13) are including calibration block (6), connecting block (7), base (8), its characterized in that: the compasses are characterized in that the compasses body (2) plays a supporting role, the measuring rod (5) is arranged in the compasses body (2), the digital display dial indicator (1) is arranged at the top of the measuring rod (5), the digital display dial indicator ejector rod (11) is arranged at the bottom of the digital display dial indicator (1), the top end of the measuring rod (5) is in direct contact with the digital display dial indicator ejector rod (11), the periphery of the measuring rod (5) is fixedly connected with a copper sleeve (4), the periphery of the top of the measuring rod (5) is fixedly connected with a gasket (3), a spring (9) is fixedly connected between the gasket (3) and the copper sleeve (4), a measuring rod wall (10) is arranged outside the measuring rod (5), the copper sleeve (4), the gasket (3) and the spring (9) are arranged between the measuring rod wall (10) and the measuring rod (5), the digital display dial indicator (1) is used for reading numerical values and is fixed on the compasses body (2) through screws, the calibration block (6) and the connecting block (7) are fixedly arranged at the top of the base (8).
2. The apparatus for measuring the height of a deep-hole internal expansion type check valve according to claim 1, wherein: the length of the measuring rod wall (10) is larger than the depth of a measured hole, the inner diameter of the measuring rod wall (10) is larger than the outer diameter of the middle pin part of the expansion type check valve, so that the measuring rod wall (10) cannot touch the outer diameter of the middle pin part of the expansion type check valve when moving downwards, and the outer diameter of the measuring rod wall (10) is smaller than the inner diameter of the measured hole, so that the measuring rod wall (10) cannot touch the hole wall of the measured hole when moving downwards.
3. The apparatus for measuring the height of a deep-hole internal expansion type check valve according to claim 2, wherein: the outer diameter of the measuring rod (5) is smaller than the inner diameter of the measuring rod wall (10) so as to ensure the thickness and the strength of the measuring rod wall (10), and the end face of the measuring rod (5) is kept flat so as to ensure that the end face of the measuring rod (5) is fully contacted with the end face of the middle pin part of the expansion type check valve.
4. The apparatus for measuring the height of a deep-hole internal expansion type check valve according to claim 3, wherein: the measuring rod (5) is in interference fit with the copper sleeve (4) so as to ensure that the measuring rod (5) can move up and down in an inner hole of the gauge body (2) to guide and reduce friction.
5. The apparatus for measuring the height of a deep-hole internal expansion type check valve according to claim 4, wherein: the gauge body (2) is provided with a countersunk head groove (14), and the gasket (3) is installed inside the countersunk head groove (14).
6. The apparatus for measuring the height of a deep-hole internal-expansion type check valve according to claim 5, wherein: the hole depth of the calibration block (6) is smaller than the height of the measuring rod wall (10), and the hole bottom plane is kept flat.
7. The apparatus for measuring the height of a deep-hole internal expansion type check valve according to claim 6, wherein: the middle of the base (8) is provided with a central hole, and the bottom surface of the base (8) is kept flat.
8. The apparatus for measuring the height of a deep-hole internal-expansion type check valve according to claim 7, wherein: the connecting block (7) enables the calibration block (6) to be connected to the base (8) through screws, and the connecting block (7) is matched with the calibration block (6) for use so as to ensure that the hole bottom plane of the calibration block (6) is smooth.
CN202010461021.9A 2020-05-27 2020-05-27 Height measuring device of expansion type check valve in deep hole Pending CN111707166A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010461021.9A CN111707166A (en) 2020-05-27 2020-05-27 Height measuring device of expansion type check valve in deep hole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010461021.9A CN111707166A (en) 2020-05-27 2020-05-27 Height measuring device of expansion type check valve in deep hole

Publications (1)

Publication Number Publication Date
CN111707166A true CN111707166A (en) 2020-09-25

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CN202010461021.9A Pending CN111707166A (en) 2020-05-27 2020-05-27 Height measuring device of expansion type check valve in deep hole

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CN (1) CN111707166A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881256A (en) * 1974-02-21 1975-05-06 Us Navy Thickness gage
CN101403599A (en) * 2007-12-19 2009-04-08 奇瑞汽车股份有限公司 Depth detection apparatus
CN203443524U (en) * 2013-09-13 2014-02-19 安徽江淮汽车股份有限公司 Engine cylinder head oil nozzle hole depth gauge and calibration device thereof
CN204085414U (en) * 2014-07-01 2015-01-07 宁波可瑞迪化油器有限公司 A kind of boss step depth cubing
CN209166317U (en) * 2019-01-31 2019-07-26 广西玉柴机器股份有限公司 A kind of cylinder head compensating groove depth measurement tools
CN209745203U (en) * 2019-03-20 2019-12-06 瑛岛金属(天津)有限公司 Screw groove depth detection device convenient to deposit
CN211205092U (en) * 2019-12-31 2020-08-07 上海莲南汽车附件有限公司 Height area table rule detects measuring tool structure
CN211317140U (en) * 2019-10-31 2020-08-21 辽沈工业集团有限公司 Deep hole step height measuring device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881256A (en) * 1974-02-21 1975-05-06 Us Navy Thickness gage
CN101403599A (en) * 2007-12-19 2009-04-08 奇瑞汽车股份有限公司 Depth detection apparatus
CN203443524U (en) * 2013-09-13 2014-02-19 安徽江淮汽车股份有限公司 Engine cylinder head oil nozzle hole depth gauge and calibration device thereof
CN204085414U (en) * 2014-07-01 2015-01-07 宁波可瑞迪化油器有限公司 A kind of boss step depth cubing
CN209166317U (en) * 2019-01-31 2019-07-26 广西玉柴机器股份有限公司 A kind of cylinder head compensating groove depth measurement tools
CN209745203U (en) * 2019-03-20 2019-12-06 瑛岛金属(天津)有限公司 Screw groove depth detection device convenient to deposit
CN211317140U (en) * 2019-10-31 2020-08-21 辽沈工业集团有限公司 Deep hole step height measuring device
CN211205092U (en) * 2019-12-31 2020-08-07 上海莲南汽车附件有限公司 Height area table rule detects measuring tool structure

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