CN102519340A - Inner diameter measurement instrument - Google Patents
Inner diameter measurement instrument Download PDFInfo
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- CN102519340A CN102519340A CN201110412633XA CN201110412633A CN102519340A CN 102519340 A CN102519340 A CN 102519340A CN 201110412633X A CN201110412633X A CN 201110412633XA CN 201110412633 A CN201110412633 A CN 201110412633A CN 102519340 A CN102519340 A CN 102519340A
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- shaped
- centering
- threaded hole
- inner diameter
- centering bar
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Abstract
The invention relates to an inner diameter measurement instrument, comprising a measurement instrument, a push rod and a measurement head, wherein one end of an instrument shell of the measurement instrument is fixedly connected with one end of a centering rod; the other end of the centering rod is telescopically connected with a centering pawl; the other end of the instrument shell is fixedly connected with one end of a connecting screw sleeve; the other end of the connecting screw sleeve is fixedly connected with one end of a measurement rod; the push rod passes through the connecting screw sleeve, the measurement instrument and the centering rod in sequence and one end of the push rod is fixedly connected with the measurement head; the measurement head is connected with a hollow sleeve at the other end of the centering rod by a fixing sheet; and the centering rod is provided with a handle. According to the inner diameter measurement instrument, the measurement head is directly arranged at one end of the push rod of a general measurement instrument, and the connecting screw sleeve is fixedly connected with the instrument shell and is arranged at the other end of the push rod and is coaxial with the push rod for accurately measuring the diameter of a large-size inner hole.
Description
Technical field
The invention belongs to the surveying instrument technical field, be specifically related to a kind of inner diameter measurement table.
Background technology
At present; Lever inner diameter measurement table (dial gauge, clock gauge) all uses lever principle; Adopt centre driving parts such as lever, drive link to act on the meter push rod, accumulated error is bigger when causing measuring, and especially the larger diameter internal bore measurement result is not ideal enough; And the structure more complicated, therefore be necessary to improve.
Summary of the invention
The technical matters that the present invention solves: a kind of inner diameter measurement table is provided, gauge head is directly installed on push rod one end of common scale, connect swivel nut and be fixedly connected, be installed in the push rod other end with watchcase, and coaxial with push rod, be used for accurately measuring the large scale diameter of bore.
The technical scheme that the present invention adopts: a kind of inner diameter measurement table; Comprise scale, push rod and gauge head; Watchcase one end of said scale is fixedly connected with centering bar one end, and the said centering bar other end is connected with the centering jaw scalability, the watchcase other end be connected the fixed connection of swivel nut one end; The said connection swivel nut other end is fixedly connected with measuring staff one end; Said push rod passes the connection swivel nut successively, scale is fixedly connected with gauge head with centering bar and push rod one end, and said gauge head is connected with the empty cover of the centering bar other end through stator, and said centering bar is provided with handle.
Wherein, The said centering bar other end is shaped on shoulder; Said shoulder is provided with pressing spring, and the step end face in the hole that said centering jaw middle part is shaped on compresses pressing spring and is enclosed within on the centering bar through the hole sky, and said centering rod end surface is shaped on threaded hole II; External thread and threaded hole II on the boss II of said stator end screw, the through hole II chucking gauge head rear end external diameter on the said stator.
Wherein, the said connection swivel nut other end is shaped on threaded hole III, and external thread and threaded hole III that said measuring staff one end is shaped on screw.
Further, be provided with extension rod between said connection swivel nut and the measuring staff.
Wherein, said extension rod is the step axle, and the external thread that is shaped on its little axle head screws with threaded hole III on being connected swivel nut, and threaded hole IV that is shaped on its big axle head and the external thread on the measuring staff screw.
Further, be shaped on boss I on the said centering bar, be shaped on threaded hole I on the said boss I, external thread and threaded hole I that handle one end is shaped on screw.
It is simple that the present invention compared with prior art has a project organization, compares with existing lever meter and save driving parts in the middle of lever, the drive link etc., makes that the measurement accumulated error of large scale diameter of bore is littler, and accuracy of measurement is higher.
Description of drawings
Fig. 1 is a structural front view of the present invention;
Fig. 2 is a structure vertical view of the present invention;
Fig. 3 is that centering jaw A of the present invention is to view;
Fig. 4 is watchcase of the present invention and centering bar syndeton front view;
Fig. 5 is watchcase of the present invention and centering bar syndeton vertical view;
Fig. 6 is an extension rod structural representation of the present invention;
Fig. 7 is a stator structural representation of the present invention;
Fig. 8 is a user mode synoptic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing a kind of embodiment of the present invention is described.
A kind of inner diameter measurement table comprises scale 6, push rod 2 and gauge head 1, and watchcase 11 1 ends of said scale 6 are fixedly connected with centering bar 10 1 ends; Said centering bar 10 other ends are connected with centering jaw 7 scalabilities; Specifically, said centering bar 10 other ends are shaped on shoulder 14, and said shoulder 14 is provided with pressing spring 5; The step end face in the hole 23 that said centering jaw 7 middle parts are shaped on compresses pressing spring 5 and is enclosed within on the centering bar 10 through hole 23 skies; Self-centering when this structure can make meter to the hole measuring of different-diameter, gauge head 1 is on measured workpiece 24 diameter of bores with measuring staff 3 two ends, reaches diameter of bore and measures purpose.Said centering bar 10 end faces are shaped on threaded hole II15, and external thread and threaded hole II15 on the said stator 8 end boss II16 screw, the through hole II17 chucking gauge head 1 rear end external diameter on the said stator 8.Watchcase 11 other ends be connected swivel nut 4 one ends and be fixedly connected; Said connection swivel nut 4 other ends are fixedly connected with measuring staff 3 one ends; Specifically, said connection swivel nut 4 other ends are shaped on threaded hole III19, and external thread and threaded hole III19 that said measuring staff 3 one ends are shaped on screw.Said push rod 2 passes connection swivel nut 4 successively, scale 6 and centering bar 10 and push rod 2 one ends is fixedly connected with gauge head 1; Said gauge head 1 is connected with the empty cover of centering bar 10 other ends through stator 8; Said centering bar 10 is provided with handle 9, specifically, is shaped on boss I12 on the said centering bar 10; Be shaped on threaded hole I13 on the said boss I12, external thread and threaded hole I13 that handle 9 one ends are shaped on screw.
For reaching the purpose of measuring the larger diameter hole, be provided with extension rod 18 between said connection swivel nut 4 and the measuring staff 3.Said extension rod 18 is the step axle, and the external thread that is shaped on its little axle head 20 screws with the threaded hole III19 on being connected swivel nut 4, and threaded hole IV22 that is shaped on its big axle head 21 and the external thread on the measuring staff 3 screw.It is one group of different measuring staff of difference, length that measuring staff 3 is designed to the meter effective travel, in case of necessity, installs extension rod 18 lengthening measuring staffs at measuring staff 3 between the swivel nut 4 additional with being connected, and can realize the hole measuring of larger diameter scope.
Method of application: Fig. 1～shown in Figure 6, the present invention is made up of gauge head 1, push rod 2, scale 6 (common survey table), measuring staff 3, connection swivel nut 4, pressing spring 5, centering jaw 7, stator 8, handle 9, centering bar 10, extension rod 18.Connect swivel nut 4 and be fixedly connected, require the screw thread of connection swivel nut 4 coaxial, guarantee the right alignment of measuring staff 3 and gauge head 1 with push rod 2 with watchcase 11.Measuring staff 3, connect on swivel nut 4, the extension rod 18 everywhere that internal and external threads is designed to same specification.According to the difference of hole dimensions in the measured workpiece 24, measuring staff 3 can be directly installed on and connect on the swivel nut 4, also can measuring staff 3 be connected between the swivel nut 4 through the installation extension rod 18 that is threaded.Centering bar 10 is fixedly connected with watchcase 11, and guarantees that centering bar 10 cylindrical C are coaxial with push rod 2, guarantees the right alignment of gauge head 1 and centering jaw 7.Threaded hole I13 on the centering bar 10 is used for handle installation 9; Centering jaw 7 skies are enclosed within on the centering bar 10; Between centering jaw 7 and centering bar 10, pressing spring 5 is installed; Installation fixing piece 8 makes end face and centering jaw 7 end faces of stator 8 be in mated condition against the through hole I23 that keeps centering jaw 7 with centering bar 10 cylindricals, the through hole II17 and push rod 2 coaxial (Fig. 2, Fig. 7) of installation fixing piece 8 backs on it.The effect of pressing spring 5 is to remain it when measuring diameter of bore to contact with endoporus and reach self centering purpose, and is as shown in Figure 8.
The foregoing description is preferred embodiment of the present invention, is not to be used for limiting practical range of the present invention, so all equivalences of being done with the said content of claim of the present invention change, all should be included within the claim scope of the present invention.
Claims (6)
1. inner diameter measurement table; Comprise scale (6), push rod (2) and gauge head (1); It is characterized in that: watchcase (11) one ends of said scale (6) are fixedly connected with centering bar (10) one ends; Said centering bar (10) other end is connected with centering jaw (7) scalability, and watchcase (11) other end is fixedly connected with being connected swivel nut (4) one ends, and said connection swivel nut (4) other end is fixedly connected with measuring staff (3) one ends; Said push rod (2) passes connection swivel nut (4) successively, scale (6) and centering bar (10) and push rod (2) one ends is fixedly connected with gauge head (1)
Said gauge head (1) is through stator (8) and centering bar (10) The empty cover of the other end connects,State centering bar (10) and be provided with handle (9).
2. inner diameter measurement table according to claim 1; It is characterized in that: said centering bar (10) other end is shaped on shoulder (14); Said shoulder (14) is provided with pressing spring (5); The step end face in the hole (23) that said centering jaw (7) middle part is shaped on compresses pressing spring (5) and is enclosed within on the centering bar (10) through hole (23) sky; Said centering bar (10) end face is shaped on threaded hole II (15), and external thread on said stator (8) the end boss II (16) and threaded hole II (15) screw, through hole II (17) chucking gauge head (1) the rear end external diameter on the said stator (8).
3. inner diameter measurement table according to claim 1 and 2 is characterized in that: said connection swivel nut (4) other end is shaped on threaded hole III (19), and external thread and threaded hole III (19) that said measuring staff (3) one ends are shaped on screw.
4. inner diameter measurement table according to claim 3 is characterized in that: be provided with extension rod (18) between said connection swivel nut (4) and the measuring staff (3).
5. inner diameter measurement table according to claim 4; It is characterized in that: said extension rod (18) is the step axle; The external thread that is shaped on its little axle head (20) screws with threaded hole III (19) on being connected swivel nut (4), and the threaded hole IV (22) that is shaped on its big axle head (21) screws with external thread on the measuring staff (3).
6. inner diameter measurement table according to claim 5 is characterized in that: be shaped on boss I (12) on the said centering bar (10), be shaped on threaded hole I (13) on the said boss I (12), external thread and threaded hole I (13) that handle (9) one ends are shaped on screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110412633.XA CN102519340B (en) | 2011-12-12 | 2011-12-12 | Inner diameter measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110412633.XA CN102519340B (en) | 2011-12-12 | 2011-12-12 | Inner diameter measurement instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102519340A true CN102519340A (en) | 2012-06-27 |
| CN102519340B CN102519340B (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110412633.XA Active CN102519340B (en) | 2011-12-12 | 2011-12-12 | Inner diameter measurement instrument |
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| Country | Link |
|---|---|
| CN (1) | CN102519340B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575185A (en) * | 2012-07-27 | 2014-02-12 | 吴锡锋 | Portable large-diameter inner hole detecting instrument |
| CN108827120A (en) * | 2018-09-05 | 2018-11-16 | 广西玉柴机器股份有限公司 | A kind of internal groove diameter measuring device |
| CN110726355A (en) * | 2019-11-19 | 2020-01-24 | 郑海飞 | Pile hole aperture detection device capable of centering and retaining data |
| CN111473714A (en) * | 2020-06-09 | 2020-07-31 | 内蒙古科技大学 | Hand-held roll gap instrument |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045877A (en) * | 1976-03-11 | 1977-09-06 | Sunnen Products Company | Retractable dial bore gauge |
| CN87202575U (en) * | 1987-02-23 | 1988-01-13 | 田新华 | Multi-use inside diameter gauge |
| CN2705773Y (en) * | 2004-05-25 | 2005-06-22 | 焦作工学院 | Internal diameter measurer |
| CN201583230U (en) * | 2009-11-02 | 2010-09-15 | 严方 | Dedicated check tool for large-inner diameter size |
| CN201795755U (en) * | 2010-08-30 | 2011-04-13 | 常州市第八纺织机械有限公司 | Internal diameter measuring instrument |
-
2011
- 2011-12-12 CN CN201110412633.XA patent/CN102519340B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4045877A (en) * | 1976-03-11 | 1977-09-06 | Sunnen Products Company | Retractable dial bore gauge |
| CN87202575U (en) * | 1987-02-23 | 1988-01-13 | 田新华 | Multi-use inside diameter gauge |
| CN2705773Y (en) * | 2004-05-25 | 2005-06-22 | 焦作工学院 | Internal diameter measurer |
| CN201583230U (en) * | 2009-11-02 | 2010-09-15 | 严方 | Dedicated check tool for large-inner diameter size |
| CN201795755U (en) * | 2010-08-30 | 2011-04-13 | 常州市第八纺织机械有限公司 | Internal diameter measuring instrument |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575185A (en) * | 2012-07-27 | 2014-02-12 | 吴锡锋 | Portable large-diameter inner hole detecting instrument |
| CN108827120A (en) * | 2018-09-05 | 2018-11-16 | 广西玉柴机器股份有限公司 | A kind of internal groove diameter measuring device |
| CN108827120B (en) * | 2018-09-05 | 2024-02-09 | 广西玉柴机器股份有限公司 | Internal groove diameter measuring device |
| CN110726355A (en) * | 2019-11-19 | 2020-01-24 | 郑海飞 | Pile hole aperture detection device capable of centering and retaining data |
| CN110726355B (en) * | 2019-11-19 | 2021-09-24 | 临沂天方建设研究试验有限公司 | Pile hole aperture detection device capable of centering and retaining data |
| CN111473714A (en) * | 2020-06-09 | 2020-07-31 | 内蒙古科技大学 | Hand-held roll gap instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102519340B (en) | 2014-04-16 |
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Effective date of registration: 20220915 Address after: No. 87, Middle Street West Road, Pingchuan Street, Wuping County, Longyan City, Fujian Province, 361000 Patentee after: Fujian Huizhi Digital Tongda Technology Co.,Ltd. Address before: 721006 No. 70 Qing Jiang Road, Shaanxi, Baoji Patentee before: SHAANXI BAOCHENG AVIATION INSTRUMENT Co.,Ltd. |