CN202582432U - Length measuring device for guide threads of workpiece with external threads - Google Patents
Length measuring device for guide threads of workpiece with external threads Download PDFInfo
- Publication number
- CN202582432U CN202582432U CN 201220222615 CN201220222615U CN202582432U CN 202582432 U CN202582432 U CN 202582432U CN 201220222615 CN201220222615 CN 201220222615 CN 201220222615 U CN201220222615 U CN 201220222615U CN 202582432 U CN202582432 U CN 202582432U
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- external thread
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Abstract
The utility model relates to a length measuring device for guide threads of a workpiece with external threads. An internal thread section used for being screwed with the workpiece with external threads is machined on the hole wall at the front end of a measuring through hole of a device main body of the measuring device, an inspection hole section for a guide thread section of the workpiece with external threads to pass through is arranged behind the internal thread section, and the front end of the inspection hole section is provided with a hole edge which faces the internal thread section and is used for being matched with an intersection of the guide threads of the workpiece with external threads and complete threads in a blocking way. In the measurement for the guide threads of products with external threads, when the workpiece with external threads is screwed into the measuring through hole, and the intersection of the guide threads of the workpiece with external threads and the complete threads props against the hole edge of the inspection hole section, so that the length of the guide threads of the workpiece with external threads can be calculated according to the axial width of the inspection hole section, the measurement for the length of the guide threads of the workpiece with external threads is simple and accurate, and then the problem that the length of the guide threads of the workpiece with external threads cannot be accurately measured in the prior art is solved.
Description
Technical field
The utility model relates to external thread workpiece calibration technical field, relates in particular to a kind of guiding screw thread length-measuring appliance of external thread workpiece.
Background technology
The guiding screw thread as its name suggests, is positioned at the part of processing, play the guiding role on the threaded connector, for ease of assembling between threaded connector exactly.The size of guiding reach not only influences the normal assembling of product, and influence the length of product when work effective thread, and is more obvious for the product that reach is lacked.Therefore, the measurement of guiding screw thread also should be the important ring in the thread size measurement system.
About the guiding screw thread, what provide among the state aviation standard HB5829 is defined as " roll extrusion screws into the end end face to the part between complete thread and guiding screw thread joint (minimum greatly directly) ".Identical among this definition and the AS AS3062 to the definition that guides screw thread.Also a kind of arbitration measuring method, i.e. optical projection mensuration have been proposed in this dimensional measurement among the AS3062.
For a long time, because the guiding reach is less to the common product performance impact, and does not have suitable quick measuring method,, fail to receive enough attention though the guiding reach has clear and definite dimensional requirement in standard always.Common product does not carry out the measurement of this project usually.Even, also can only measure through optical projection method to clearly proposing to need to measure the product of this size.And optical projection is when measuring, owing to want rotational workpieces to find distance product to import the position in the nearest minimum big footpath of end, and deflection takes place in rotation product easily, and this measuring method is rather time-consuming, and as the stock size measurement, operability is not strong.
The utility model content
The utility model provides a kind of guiding screw thread length-measuring appliance of external thread workpiece, be intended to solve the problem that the reach of the guiding screw thread of prior art China and foreign countries whorl work piece can't accurately be measured.
The technical scheme of the guiding screw thread length-measuring appliance of this external thread workpiece is following:
A kind of guiding screw thread length-measuring appliance of external thread workpiece; Comprise apparatus main body; Offer the measurement through hole that is used to supply the insertion of external thread workpiece on the described apparatus main body; Be processed with on the inwall of the front end of described measurement through hole and be used for the internal thread segment that cooperates with the external thread workpiece; After internal thread segment, be provided with the detection hole section that the guiding thread segment that is used to supply the external thread workpiece penetrates, described detection hole section front end has the edge, hole that cooperates with the joint block of complete thread with the guiding screw thread of external thread workpiece of being used for towards internal thread segment.
The hole wall of described measurement through hole is provided with the groove of dodging that the perisporium to measuring through hole that is between described internal thread segment and the described detection hole section sinks into.
Described detection hole section extends to the open rearward end place of measuring through hole, and described detection hole section has the axial width that is used for the guiding screw thread equal in length of external thread workpiece.
Be processed with the anti-skidding annular knurl that is in the periphery of measuring through hole on the outside surface of described apparatus main body.
The utility model is processed with the internal thread segment that screws that is used for the external thread workpiece on the front end hole wall of the measurement through hole of apparatus main body; After internal thread segment, be provided with the detection hole section that the guiding thread segment that supplies the external thread workpiece penetrates; And make and detect hole section front end and have the edge, hole that cooperates with the joint block of complete thread with the guiding screw thread of external thread workpiece of being used for towards internal thread segment; When measuring the guiding screw thread of external thread product; When screwing in, the external thread workpiece measures through hole; And the guiding screw thread of external thread workpiece and the joint roof pressure of complete thread are being detected on the edge, hole of hole section; At this moment, the contact point of the guiding screw thread of detection hole section and external thread workpiece and the joint of complete thread is the length of the guiding screw thread of external thread workpiece apart from the distance between the end face of the screw terminal of external thread workpiece, thereby can calculate the length of the guiding screw thread of external thread workpiece according to the axial width that detects the hole section; Make that the guiding screw thread measurement of length of external thread workpiece is simply accurate, and then solved the problem that the reach of the guiding screw thread of prior art China and foreign countries whorl work pieces can't accurately be measured.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the utility model.
Embodiment
The embodiment of the guiding screw thread length-measuring appliance of the external thread workpiece of the utility model: as shown in Figure 1; This measurement mechanism comprises apparatus main body 1; Offer the measurement through hole 1-1 that is used to supply the insertion of external thread workpiece on the apparatus main body 1; Measure through hole 1-1 and have the measuring junction 1-3 that the guiding screw thread that is used for the link 1-2 that cooperates with the external thread workpiece and is used to supply the external thread workpiece passes; Be processed with the internal thread segment 1-4 that screws with the external thread workpiece to measuring junction 1-3 being used for of extending on the inwall of link 1-2; Convex with the detection hole section 1-5 that the internal diameter size that is in the opening part of measuring through hole 1-1 equates with the minimum greatly directly size of external thread workpiece on the inwall of measuring junction 1-3; This detection hole section 1-5 be used to supply endoporus 1-6 that the guiding screw thread of external thread workpiece passes and towards the hole that is used for cooperating with the joint block of complete thread of link 1-2 with the guiding screw thread of external thread workpiece along 1-7, and dodge groove 1-8 along being provided with the annular that sinks into to the perisporium of measuring through hole 1-1 between 1-7 and the internal thread segment 1-4 in the hole.
In addition, on the outside surface of apparatus main body 1, be processed with the anti-skidding annular knurl (not shown) that is in the periphery of measuring through hole.
The utility model screws in the guiding screw thread of external thread workpiece in use from the link 1-2 that measures through hole 1-1, being torqued-up to apparatus main body 1 can't rotate.Whether the guiding screw thread of at this moment, observing the external thread workpiece stretches out from the measuring junction of measuring through hole.As stretch out, the length defective (greater than 2 times of pitch) of the guiding screw thread of external thread workpiece then is described; Otherwise, do not stretch out like the guiding screw thread of external thread workpiece from measuring in the through hole, explain that then the length of guiding screw thread of external thread workpiece is qualified.If will measure the occurrence of guiding reach, the guiding screw thread of then available vernier caliper measurement external thread workpiece stretches out or is absorbed in the length of frock.It is the occurrence of the guiding reach of external thread workpiece with the difference (when the guiding screw thread of external thread workpiece is absorbed in and measures through hole) of the axial length of measuring through hole or with value (when the guiding screw thread of external thread workpiece stretches out) in the measurement through hole.Therefore this measurement mechanism has advantage simple in structure, easy to use, and has overcome the problem of the time-consuming and difficult assurance accuracy of projection metering guide vanes line length.
In the above-described embodiments, internal thread segment and hole along between be provided with and dodge groove, in other embodiments, this is dodged groove and also can not existed, just the hole is along directly being convexly equipped with on the end end face of internal thread sector hole near measuring junction.
In the above-described embodiments, detect the hole section and be in the opening part of measuring through hole, in other embodiments, this detects the opening certain distance that hole section also can the range observation through hole.
Claims (4)
1. the guiding screw thread length-measuring appliance of an external thread workpiece; It is characterized in that: comprise apparatus main body; Offer the measurement through hole that is used to supply the insertion of external thread workpiece on the described apparatus main body; Be processed with on the inwall of the front end of described measurement through hole and be used for the internal thread segment that cooperates with the external thread workpiece; After internal thread segment, be provided with the detection hole section that the guiding thread segment that is used to supply the external thread workpiece penetrates, described detection hole section front end has the edge, hole that cooperates with the joint block of complete thread with the guiding screw thread of external thread workpiece of being used for towards internal thread segment.
2. the guiding screw thread length-measuring appliance of external thread workpiece according to claim 1 is characterized in that: the hole wall of described measurement through hole is provided with the groove of dodging that the perisporium to measuring through hole that is between described internal thread segment and the described detection hole section sinks into.
3. the guiding screw thread length-measuring appliance of external thread workpiece according to claim 1; It is characterized in that: described detection hole section extends to the open rearward end place of measuring through hole, and described detection hole section has the axial width that is used for the guiding screw thread equal in length of external thread workpiece.
4. the guiding screw thread length-measuring appliance of external thread workpiece according to claim 1 is characterized in that: be processed with the anti-skidding annular knurl that is in the periphery of measuring through hole on the outside surface of described apparatus main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220222615 CN202582432U (en) | 2012-05-17 | 2012-05-17 | Length measuring device for guide threads of workpiece with external threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220222615 CN202582432U (en) | 2012-05-17 | 2012-05-17 | Length measuring device for guide threads of workpiece with external threads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202582432U true CN202582432U (en) | 2012-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220222615 Expired - Fee Related CN202582432U (en) | 2012-05-17 | 2012-05-17 | Length measuring device for guide threads of workpiece with external threads |
Country Status (1)
| Country | Link |
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| CN (1) | CN202582432U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115544A (en) * | 2013-02-20 | 2013-05-22 | 河南航天精工制造有限公司 | Measuring tool for effective length and ending length of external thread |
| CN103175457A (en) * | 2013-03-15 | 2013-06-26 | 河南航天精工制造有限公司 | Quick measuring tool for effective lengths of internal threads |
| CN103278067A (en) * | 2013-06-08 | 2013-09-04 | 安徽中鼎金亚汽车管件制造有限公司 | Inspection device for detecting mixed mounting of bolts |
| CN103471489A (en) * | 2013-08-30 | 2013-12-25 | 河南航天精工制造有限公司 | Fastener perpendicularity detection tool |
| CN103727858A (en) * | 2014-01-08 | 2014-04-16 | 河南航天精工制造有限公司 | External thread guide size measurement tool |
| CN112611299A (en) * | 2020-12-17 | 2021-04-06 | 昆山利东精密工业有限公司 | Detection device and detection method for thread size at end part of paper feeding shaft of printer |
-
2012
- 2012-05-17 CN CN 201220222615 patent/CN202582432U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115544A (en) * | 2013-02-20 | 2013-05-22 | 河南航天精工制造有限公司 | Measuring tool for effective length and ending length of external thread |
| CN103115544B (en) * | 2013-02-20 | 2015-09-16 | 河南航天精工制造有限公司 | Male thread effective length and ending linear measure longimetry frock |
| CN103175457A (en) * | 2013-03-15 | 2013-06-26 | 河南航天精工制造有限公司 | Quick measuring tool for effective lengths of internal threads |
| CN103278067A (en) * | 2013-06-08 | 2013-09-04 | 安徽中鼎金亚汽车管件制造有限公司 | Inspection device for detecting mixed mounting of bolts |
| CN103278067B (en) * | 2013-06-08 | 2015-11-18 | 安徽中鼎金亚汽车管件制造有限公司 | A kind of cubing detecting bolt and load in mixture |
| CN103471489A (en) * | 2013-08-30 | 2013-12-25 | 河南航天精工制造有限公司 | Fastener perpendicularity detection tool |
| CN103727858A (en) * | 2014-01-08 | 2014-04-16 | 河南航天精工制造有限公司 | External thread guide size measurement tool |
| CN112611299A (en) * | 2020-12-17 | 2021-04-06 | 昆山利东精密工业有限公司 | Detection device and detection method for thread size at end part of paper feeding shaft of printer |
| CN112611299B (en) * | 2020-12-17 | 2023-02-17 | 昆山利东精密工业有限公司 | Device and method for detecting thread size at end part of paper feeding shaft of printer |
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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 |
Granted publication date: 20121205 Termination date: 20170517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |