CN202836483U - Detection tool for pin shaft linearity - Google Patents
Detection tool for pin shaft linearity Download PDFInfo
- Publication number
- CN202836483U CN202836483U CN 201220400543 CN201220400543U CN202836483U CN 202836483 U CN202836483 U CN 202836483U CN 201220400543 CN201220400543 CN 201220400543 CN 201220400543 U CN201220400543 U CN 201220400543U CN 202836483 U CN202836483 U CN 202836483U
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- Prior art keywords
- bearing pin
- linearity
- hole
- utility
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- 238000001514 detection method Methods 0.000 title abstract 5
- 238000012360 testing method Methods 0.000 claims description 16
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a detection tool for pin shaft linearity and the detection tool comprises a detection tool body a center of which is provided with a pin-shaft through hole. Internal diameter d1 of the pin-shaft through hole is a sum of maximum diameter dmax of the pin shaft and a tolerance value T of pin shaft linearity. Length L of the pin-shaft through hole is greater than maximum length of the pin shaft. The beneficial effects of the utility model are that the detection tool for pin shaft linearity is provided and has the advantages of simple structure, and convenient use and processing.
Description
Technical field
The utility model relates to a kind of bearing pin Linearity surveying instrument.
Background technology
Bearing pin is as one of requisite part of chain, its technical parameter comprises diameter, length, linearity, circularity etc., wherein the Linearity surveying of bearing pin is relatively more difficult, more can't directly measure with slide calliper rule or milscale, quality does not pass a test if bearing pin is not because detect its linearity, cause possibly when assembling bearing pin can put with sleeve and contact, thereby the verticality and the initial stage that affect chain extend; Existing Linearity surveying equipment then exists structure very complicated and use the problems such as easy not.
Summary of the invention
The technical problems to be solved in the utility model is, for bearing pin Linearity surveying in the prior art relatively difficulty, existing Linearity surveying device structure is very complicated and use the defects such as very loaded down with trivial details, and a kind of simple in structure, easy to use and bearing pin Linearity surveying instrument of being convenient to process is provided.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of bearing pin Linearity surveying instrument comprises that the center is provided with the testing tool body of bearing pin through hole, the inner diameter d of bearing pin through hole
1Be the bearing pin maximum diameter d
MaxWith bearing pin linearity tolerance value T sum, and the length L of bearing pin through hole is greater than the bearing pin maximum length.
As a kind of improvement to technical scheme described in the utility model, this external surface of testing tool is processed with annular knurl, mainly is for anti-skidding, uses more convenient.
In addition, improve as the another kind to technical scheme described in the utility model, the testing tool body is right cylinder, is convenient to processing.
The principle of work of bearing pin Linearity surveying instrument described in the utility model is: bearing pin to be detected is directly inserted in the bearing pin through hole at testing tool body center,, bearing pin can judge that the linearity of bearing pin to be detected is in the margin tolerance that allows if all inserting, bearing pin to be detected is qualified, otherwise is defective; This shows that the bearing pin Linearity surveying tool construction in the utility model is simple, use also very convenient.
In bearing pin Linearity surveying instrument described in the utility model, the inner diameter d of bearing pin through hole
1Be the bearing pin maximum diameter d
MaxWith the summation of bearing pin linearity tolerance value T, be in order to guarantee that qualified bearing pin can be inserted in the bearing pin through hole at testing tool body center smoothly; If the inner diameter d of bearing pin through hole
1With the bearing pin maximum diameter d
MaxDifference greater than bearing pin linearity tolerance value T, then can directly have influence on the testing result of bearing pin linearity, can there be very large error in its result, even mistake.In addition, bearing pin linearity tolerance value T also can decide along with the needs in the actual production, and differing is decided to be certain fixed value.
In bearing pin Linearity surveying instrument described in the utility model, the length L of bearing pin through hole so just can guarantee that bearing pin can all be inserted in the bearing pin through hole, so that more accurate to the testing result of bearing pin linearity greater than the bearing pin maximum length.
The beneficial effects of the utility model have provided a kind of bearing pin Linearity surveying instrument, and this bearing pin Linearity surveying instrument has simple in structure, easy to use and is convenient to the advantages such as processing.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of bearing pin Linearity surveying instrument described in the utility model;
Now the mark in the accompanying drawing is explained as follows: 1 is the testing tool body, and 2 is the bearing pin through hole.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The utility model preferred embodiment is as follows:
As shown in Figure 1, bearing pin Linearity surveying instrument comprises the testing tool body 1 of cylindrical shape in the present embodiment, center, top at this cylindrical shape testing tool body 1 is processed with bearing pin through hole 2, and the outside surface of this cylindrical shape testing tool body 1 also is processed with annular knurl; The inner diameter d of bearing pin through hole 2
1Equal the bearing pin maximum diameter d
MaxWith the summation of bearing pin linearity tolerance value T, the length L of bearing pin through hole 2 gets final product greater than the bearing pin maximum length, and wherein, the value of bearing pin straight line tolerance value T is decided by the needs of producing.
The principle of work of the utility model preferred embodiment is as follows:
Bearing pin Linearity surveying instrument described in the utility model is very easy to use, only need bearing pin directly inserted in the bearing pin through hole 2 at testing tool body 1 center and get final product, as bearing pin can all insert then can judge bearing pin linearity in margin tolerance, otherwise be defective.
Claims (3)
1. a bearing pin Linearity surveying instrument is characterized in that, comprises that the center is provided with the testing tool body (1) of bearing pin through hole (2), the inner diameter d of described bearing pin through hole (2)
1Be the bearing pin maximum diameter d
MaxWith bearing pin linearity tolerance value T sum, and the length L of bearing pin through hole (2) is greater than the bearing pin maximum length.
2. bearing pin Linearity surveying instrument according to claim 1 is characterized in that, described testing tool body (1) outside surface is processed with annular knurl.
3. bearing pin Linearity surveying instrument according to claim 1 and 2 is characterized in that, described testing tool body (1) is right cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400543 CN202836483U (en) | 2012-08-13 | 2012-08-13 | Detection tool for pin shaft linearity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400543 CN202836483U (en) | 2012-08-13 | 2012-08-13 | Detection tool for pin shaft linearity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202836483U true CN202836483U (en) | 2013-03-27 |
Family
ID=47948169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220400543 Expired - Fee Related CN202836483U (en) | 2012-08-13 | 2012-08-13 | Detection tool for pin shaft linearity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202836483U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278079A (en) * | 2013-05-30 | 2013-09-04 | 苏州创丰精密五金有限公司 | Long shaft product linearity detecting clamp |
| CN104296646A (en) * | 2014-10-24 | 2015-01-21 | 亿和精密工业（苏州）有限公司 | Shaft perpendicularity detecting jig |
| CN106289031A (en) * | 2016-09-13 | 2017-01-04 | 奇瑞汽车股份有限公司 | The Linearity surveying instrument of steering gear housing and detection method |
-
2012
- 2012-08-13 CN CN 201220400543 patent/CN202836483U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278079A (en) * | 2013-05-30 | 2013-09-04 | 苏州创丰精密五金有限公司 | Long shaft product linearity detecting clamp |
| CN104296646A (en) * | 2014-10-24 | 2015-01-21 | 亿和精密工业（苏州）有限公司 | Shaft perpendicularity detecting jig |
| CN106289031A (en) * | 2016-09-13 | 2017-01-04 | 奇瑞汽车股份有限公司 | The Linearity surveying instrument of steering gear housing and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20160813 |