CN202420407U - Parallelism gauge for working faces of micrometer calipers - Google Patents
Parallelism gauge for working faces of micrometer calipers Download PDFInfo
- Publication number
- CN202420407U CN202420407U CN2011205426479U CN201120542647U CN202420407U CN 202420407 U CN202420407 U CN 202420407U CN 2011205426479 U CN2011205426479 U CN 2011205426479U CN 201120542647 U CN201120542647 U CN 201120542647U CN 202420407 U CN202420407 U CN 202420407U
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- milscale
- parallelism
- workplace
- detection head
- depth
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a parallelism gauge for working faces of micrometer calipers. The parallelism gauge aims to overcome the shortcoming of inconvenience in operation of an existing parallelism gauge for working faces of micrometer calipers and comprises two detecting heads, the lower end surface of each detecting head is of a planar structure, a bolt connecting hole is arranged on the upper end surface of each detecting head, a fastening bolt is connected with each bolt connecting hole, a calibrating rod mounting hole is disposed on a side surface of each detecting head, each bolt connecting hole is communicated with the corresponding calibrating rod mounting hole, a support block is arranged on the opposite side surface of each detecting head, an end surface of each support block is in the shape of at least four layers of steps, the layered-step-shaped end surface of each support block consists of step transverse surfaces and step vertical surfaces, an arc-shaped bump is arranged on each step vertical surface and is close to the inner side edge of the step vertical surface, an arc-shaped bump is arranged on a side surface of each detecting head and is close to the corresponding lowest step transverse surface, and the transverse distance between each two adjacent arc-shaped bumps is equal to a quarter of the pitch of a micrometer caliper measuring bar.
Description
Technical field
The utility model relates to a kind of measurement of paralleism instrument, and more particularly, it relates to a kind of workplace measurement of paralleism instrument of milscale.
Background technology
The depth of parallelism of milscale workplace affects the precision of milscale, and is therefore very important to the detection of the milscale workplace depth of parallelism.It is to adopt the steel ball cubing that a kind of detection method is arranged, and earlier milscale to be detected is adjusted to any integer millimeter location of reading in use, the steel ball cubing is inserted on milscale two workplaces again, makes the distance between two steel balls on the cubing equal the indicating value of milscale.Lock cubing then, prevent that the distance between two steel balls from changing.With milscale to be detected distance between steel ball cubing two steel balls is measured at last.Evenly be divided into four districts by the workplace of measuring micrometer along circumference; The four measuring district is near the edge of workplace; When measuring, rotate milscale; Survey the distance between the two corresponding steel balls of these four zone position respectively, obtain four data, it is exactly the depth of parallelism of milscale in this position that maximum data deducts the numerical value that minimum data obtains.Regulate the distance between two steel balls then, regulated quantity is 1/4th measuring staff pitch, regulate three times, according to before measure the depth of parallelism method record the value of three depth of parallelisms.In four depth of parallelism values, maximum one is exactly the workplace depth of parallelism verification result of milscale to be detected.When adopting this steel ball cubing to detect the milscale workplace depth of parallelism, need to regulate the position of No. three steel balls, inconvenient operation, and also each amount of regulating all is 1/4th measuring staff pitch, operation is difficulty comparatively.
The utility model content
The utility model has overcome the deficiency of existing milscale workplace depth of parallelism cubing inconvenient operation, and a kind of milscale workplace depth of parallelism cubing is provided, and it is easy to operate when detecting.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of milscale workplace depth of parallelism cubing comprises two detection heads; The lower surface of detection head is a planar structure, and the upper surface of detection head is provided with bolt connecting hole, and bolt connecting hole is connected with fastening bolt; One side of detection head is provided with the master bar mounting hole; Bolt connecting hole and the conducting of master bar mounting hole, another relative side of detection head is provided with back-up block, and the end face of back-up block is at least four layers step-like; Step-like end face comprises step plane of structure and step vertical plane; Be provided with arc convex near the inside edge on the step vertical plane, be provided with arc convex near the step plane of structure position of below on the detection head side, the lateral separation between adjacent two arc convex is 1/4th milscale measuring staff pitch.When measuring the depth of parallelism of milscale workplace, the two ends of milscale master bar are installed in respectively in the master bar mounting hole of two detection heads, the fastening bolt of screwing then fixes the milscale master bar.Two detection heads are symmetrical set along master bar.Use then by measuring micrometer and go to measure the distance between relative two arc convex, from begin measurement at a distance of two nearest arc convex.Evenly be divided into four districts by the workplace of measuring micrometer along circumference; The four measuring district is near the edge of workplace; When measuring, rotate milscale; Survey the distance between the two corresponding arc convex of these four zone position respectively, obtain four data, it is exactly the depth of parallelism of milscale in this position that maximum data deducts the numerical value that minimum data obtains.From begin measurement at a distance of two nearest arc convex, up to having surveyed till two relative arc convex farthest.The maximal value of the depth of parallelism of these positions that obtain is exactly the workplace depth of parallelism verification result of milscale to be detected.This cubing need not be regulated the distance between two arc convex again in the process that detects, easy to operate, and the precision of detection is high.
As preferably, the step plane of structure is the arc of indent.The outward flange of milscale workplace is also curved, and the arc step plane of structure of the workplace edge of arc and indent overlaps, and is convenient when making workplace and arc convex fastening.
As preferably, the master bar mounting hole is rectangular, and the downside of rectangular opening is provided with V-shaped groove.The master bar mounting hole is this structure, and is convenient with the fastening milscale master bar of fastening bolt, makes the fastening back of master bar be difficult for moving.
As preferably, the upper surface of detection head is provided with the rectangle viewport, and viewport and the conducting of master bar mounting hole also penetrate into the lower surface of detection head, and a side of viewport and the bottom surface of master bar mounting hole overlap.Whether the convenient observation of viewport master bar arrives the bottom surface of master bar mounting hole.
As preferably, back-up block and detection head integrative-structure.Integrative-structure makes the relative position of arc convex and detection head more accurate, increases the precision that detects.
As preferably, arc convex is the semisphere steel ball.Semicircle ball hardness is good, not yielding.
Compared with prior art, the beneficial effect of the utility model is: the detecting operation of the milscale workplace depth of parallelism is simple, and accuracy of detection is high.
Description of drawings
Fig. 1 is the cut-open view of the detection head of the utility model;
Fig. 2 is the left view of the detection head of the utility model;
Fig. 3 is the right view of the detection head of the utility model;
Fig. 4 is the detection synoptic diagram of the utility model;
Fig. 5 is the milscale workplace measurement zone synoptic diagram of the utility model;
Among the figure: 1, detection head, 2, bolt connecting hole, 3, fastening bolt, 4, the master bar mounting hole, 5, back-up block; 6, step plane of structure, 7, the step vertical plane, 8, arc convex, 9, V-shaped groove, 10, viewport; 11, I district, 12, the II district, 13, the III district, 14, the IV district.
Embodiment
Pass through specific embodiment below, and combine accompanying drawing, the technical scheme of the utility model is done further to specifically describe:
Embodiment: a kind of milscale workplace depth of parallelism cubing; Comprise two detection heads 1 (referring to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3); The lower surface of detection head is a planar structure, and the upper surface of detection head is provided with bolt connecting hole 2, and bolt connecting hole is connected with fastening bolt 3; The left surface of detection head is provided with master bar mounting hole 4, bolt connecting hole and the conducting of master bar mounting hole.The master bar mounting hole is rectangular, and the downside of rectangular opening is provided with V-shaped groove 9, and the width of V-shaped groove open upper end is consistent with the width of rectangular opening downside.The upper surface of detection head is provided with rectangle viewport 10, and viewport and the conducting of master bar mounting hole also penetrate into the lower surface of detection head, and the bottom surface of the right flank of viewport and master bar mounting hole overlaps.Another relative right flank of detection head is provided with back-up block 5, back-up block and detection head integrative-structure.The end face of back-up block is four layers step-like, and step-like high lower end, back-up block end face upper end is low, and step-like end face comprises four step plane of structures 6 and four step vertical planes 7, and the step plane of structure is vertical with the step vertical plane.The step vertical plane is planar structure, and the step plane of structure is the arc of indent.Be provided with arc convex 8 near the inside edge on the step vertical plane, be provided with arc convex near the step plane of structure position of below on the detection head side, arc convex is the semisphere steel ball.Three semisphere steel balls are set on the back-up block altogether, and the detection head side is provided with a semisphere steel ball, altogether four semisphere steel balls.The centre of sphere of four semisphere steel balls is in same perpendicular.Lateral separation between adjacent two arc convex is 1/4th milscale measuring staff pitch.
When measuring the depth of parallelism of milscale workplace; The lower surface of detection head is placed on 0 grade of flat board as reference field, and two master bar mounting holes are corresponding, the two ends of milscale master bar is installed in respectively in the master bar mounting hole of two detection heads (referring to accompanying drawing 4) again; The two ends of master bar reach respectively at the bottom of the hole of master bar mounting hole; Make the mutual dieback of master bar and detection head, the fastening bolt of screwing then fixes the milscale master bar.The dimensions minimum of master bar is 25mm, and increases with the increase gradient of 25mm, is followed successively by 50mm, 75mm, 100mm, by that analogy.According to the milscale master bar of the different choice different size specification of the tested miking upper limit, therefore this cubing is all applicable to measuring the upper limit to the milscale more than the 25mm.Two detection heads are symmetrical set along master bar.Use then by measuring micrometer and go to measure the distance between relative two arc convex, from begin measurement at a distance of two nearest arc convex.Evenly be divided into four districts (referring to accompanying drawing 5) by the workplace of measuring micrometer along circumference; The four measuring district is near the edge of workplace; The four measuring district counterclockwise is divided into I district 11, II district 12, III district 13, IV district 14 along workplace; The measurement zone curved edge is 1/4th workplace diameter to another relative edge's longest distance, and the distance between two limits is 1/2nd workplace diameter in addition.When measuring, rotate milscale, the distance of measuring successively between the corresponding spherical steel ball of two halves in I district, II district, III district, IV zone position obtains four data, and it is exactly the depth of parallelism of milscale in this position that maximum data deducts the numerical value that minimum data obtains.From begin measurement at a distance of two nearest semisphere steel balls, up to having surveyed till two relative semisphere steel balls farthest.The maximal value of the depth of parallelism of these positions that obtain is exactly the workplace depth of parallelism verification result of milscale to be detected.
Above-described embodiment is a kind of preferable scheme of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (6)
1. a milscale workplace depth of parallelism cubing is characterized in that, comprises two detection heads (1); The lower surface of detection head is a planar structure, and the upper surface of detection head is provided with bolt connecting hole (2), and bolt connecting hole is connected with fastening bolt (3); One side of detection head is provided with master bar mounting hole (4); Bolt connecting hole and the conducting of master bar mounting hole, another relative side of detection head is provided with back-up block (5), and the end face of back-up block is at least four layers step-like; Step-like end face comprises step plane of structure (6) and step vertical plane (7); Be provided with arc convex (8) near the inside edge on the step vertical plane, be provided with arc convex near the step plane of structure position of below on the detection head side, the lateral separation between adjacent two arc convex is 1/4th milscale measuring staff pitch.
2. milscale workplace depth of parallelism cubing according to claim 1 is characterized in that the step plane of structure is the arc of indent.
3. milscale workplace depth of parallelism cubing according to claim 2 is characterized in that the master bar mounting hole is rectangular, and the downside of rectangular opening is provided with V-shaped groove (9).
4. according to claim 1 or 2 or 3 described milscale workplace depth of parallelism cubings; It is characterized in that; The upper surface of detection head is provided with rectangle viewport (10); Viewport and the conducting of master bar mounting hole also penetrate into the lower surface of detection head, and a side of viewport and the bottom surface of master bar mounting hole overlap.
5. milscale workplace depth of parallelism cubing according to claim 4 is characterized in that back-up block and detection head integrative-structure.
6. according to claim 1 or 2 or 3 described milscale workplace depth of parallelism cubings, it is characterized in that arc convex is the semisphere steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205426479U CN202420407U (en) | 2011-12-22 | 2011-12-22 | Parallelism gauge for working faces of micrometer calipers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205426479U CN202420407U (en) | 2011-12-22 | 2011-12-22 | Parallelism gauge for working faces of micrometer calipers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202420407U true CN202420407U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205426479U Expired - Fee Related CN202420407U (en) | 2011-12-22 | 2011-12-22 | Parallelism gauge for working faces of micrometer calipers |
Country Status (1)
| Country | Link |
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| CN (1) | CN202420407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974563A (en) * | 2019-05-06 | 2019-07-05 | 广西玉柴机器股份有限公司 | A kind of cylinders of cylinder block orifice ring groove depth detection special gauge |
-
2011
- 2011-12-22 CN CN2011205426479U patent/CN202420407U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974563A (en) * | 2019-05-06 | 2019-07-05 | 广西玉柴机器股份有限公司 | A kind of cylinders of cylinder block orifice ring groove depth detection special gauge |
| CN109974563B (en) * | 2019-05-06 | 2024-03-12 | 广西玉柴机器股份有限公司 | Special gauge for detecting depth of cylinder hole ring groove of cylinder block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG GEELY LUOYOU ENGINE CO., LTD. Free format text: FORMER OWNER: ZHEJIANG GEELY AUTOMOBILE HOLDINGS LTD. Effective date: 20130118 Owner name: JINAN GEELY AUTO SPARE PARTS CO., LTD. HUNAN LUOYO Free format text: FORMER OWNER: ZHEJIANG GEELY HOLDING GROUP CO., LTD. Effective date: 20130118 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130118 Address after: 315800 Zhejiang city of Ningbo province Beilun xinqie street Mt. Hengshan Road No. 1528 Patentee after: Zhejiang Geely Luoyou Engine Co., Ltd. Patentee after: Ji'nan Geely Auto Parts Co., Ltd. Patentee after: Hunan Luoyou Engine Parts Co., Ltd. Patentee after: Zhejiang Geely Holding Group Co., Ltd. Address before: 315800, No. 1528, Mt. Hengshan Road, Ningbo economic and Technological Development Zone, Zhejiang Patentee before: Zhejiang Jirun Automobile Co., Ltd. Patentee before: Zhejiang Geely Holding Group Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 315800 No. 1528 Hengshan Road, Xintao Street, Beilun District, Ningbo City, Zhejiang Province Co-patentee after: Ji'nan Geely Auto Parts Co., Ltd. Patentee after: Zhejiang Geely Power Assembly Co., Ltd. Co-patentee after: Hunan Luoyou Engine Parts Co., Ltd. Co-patentee after: Zhejiang Geely Holding Group Co., Ltd. Address before: 315800 No. 1528 Hengshan Road, Xintao Street, Beilun District, Ningbo City, Zhejiang Province Co-patentee before: Ji'nan Geely Auto Parts Co., Ltd. Patentee before: Zhejiang Geely Luoyou Engine Co., Ltd. Co-patentee before: Hunan Luoyou Engine Parts Co., Ltd. Co-patentee before: Zhejiang Geely Holding Group Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20191222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |