CN101598167A - A kind of method and linkage structure that prevents that stud from rotating on matrix - Google Patents
A kind of method and linkage structure that prevents that stud from rotating on matrix Download PDFInfo
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- CN101598167A CN101598167A CN 200910301776 CN200910301776A CN101598167A CN 101598167 A CN101598167 A CN 101598167A CN 200910301776 CN200910301776 CN 200910301776 CN 200910301776 A CN200910301776 A CN 200910301776A CN 101598167 A CN101598167 A CN 101598167A
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- matrix
- stud
- stop ring
- rotating
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Abstract
The invention discloses a kind of method and linkage structure that prevents that stud from rotating on matrix, the present invention prevents that by being embedded in the stop ring and the cooperation that is located at the non-circular stop platform on the stud on the matrix stud from rotating in matrix.Owing to be inlaid with stop ring at the screw mouth place of matrix of the present invention, and the stop ring outer shroud adopts non-circular cooperation with cooperating of matrix, can avoid the rotation between stop ring and the matrix.Simultaneously at the middle part of stud the stop platform is set, non-circular cooperation is also adopted in cooperating between stop platform and the stop ring, can avoid the rotation between stud and the stop ring.So can effectively prevent becoming flexible between stud and the matrix.The present invention is simultaneously adding man-hour, and the screw thread that is connected with matrix on the stud needn't adopt transition fit or interference fit, can be to not destroying matrix strength, and the difficulty of processing of screw thread is low, can cut down finished cost.Be specially adapted to the occasion higher, as fastening connection piece as the Aeronautics and Astronautics technical field to reliability requirement.
Description
Technical field:
The present invention relates to a kind of fastening piece connecting means and structure, particularly relate to a kind of method and linkage structure that prevents that stud from rotating on matrix.
Background technique:
Stud is widely used in connecting at zero, parts, and the two ends of stud are provided with screw thread, and the screw thread at two ends can be isometrical, also can be waney.During use the screw thread of stud one end is screwed into the tapped hole of matrix, generally need dismantle, the other end is zero with other with the nut cooperation, parts are connected repeatedly dismounting.Imbed matrix securely in order to make stud, the screw thread that screws in matrix one end adopts transition, interference fit screw thread usually, because the precision of transition fit screw thread is high, difficulty of processing is very big, often adopt the way of apolegamy, not only processing cost height, and assembling difficulty is controlled the bad softer matrix of material that also can damage.Even adopted said method, but because zero, the parts that often need dismounting to be connected with stud, or the reasons such as vibration during owing to machine work, after using a period of time, stud can often occur becoming flexible with being connected still of matrix, stud is rotated in matrix, make zero, parts can't reliably connect.Particularly, higher to the anti-loosening requirement of stud as the connection fastening piece of Aeronautics and Astronautics product.
Summary of the invention:
The objective of the invention is to, provide a kind of and can not damage matrix, can reduce difficulty of processing and processing cost, be connected reliable and be applicable to the method and the linkage structure that stud rotates that prevent of the connection fastening piece of making aviation or space product on matrix, to overcome the deficiencies in the prior art.
Technological scheme of the present invention: a kind of method that prevents that stud from rotating on matrix of the present invention is that this method is by being located at the stop ring and the non-circular cooperation that is located at the stop platform on the stud on the matrix, preventing that stud from rotating in matrix.
Above-mentioned preventing in the method that stud rotates on matrix, described non-circular cooperation comprise stop ring and matrix non-circular cooperate and stop platform and stop ring between cooperate.
Aforesaidly prevent in the method that stud rotates the described non-circular Any shape that is meant except circle on matrix.
Aforesaidly prevent that the hardness of described stop ring is greater than the hardness of matrix in the method that stud rotates on matrix.
A kind of linkage structure that prevents that stud from rotating on matrix comprises matrix and stud, and matrix is provided with tapped hole, is provided with stop ring at the port of tapped hole; The middle part of stud is provided with the stop platform.
Above-mentioned prevent that the outer shroud of described stop ring and interior ring are shaped as non-circular in the linkage structure that stud rotates on matrix.
Aforesaidly prevent that the shape of cross section of described stop platform is non-circular, and corresponding with the interior annular shape of stop ring in the linkage structure that stud rotates on matrix.
Aforesaidly prevent that described stop ring incision matrix one end is that sharp edge has cutting edge in the linkage structure that stud rotates on matrix.
Compared with prior art, owing to be inlaid with stop ring at the screw mouth place of matrix of the present invention, and the stop ring outer shroud adopts non-circular cooperation with cooperating of matrix, can avoid the rotation between stop ring and the matrix.Simultaneously at the middle part of stud the stop platform is set, non-circular cooperation is also adopted in cooperating between stop platform and the stop ring, can avoid the rotation between stud and the stop ring.So stud by the screw thread location, axially can't become flexible stud axially, stud can not rotate stud in the restriction that tangentially is subjected to stop ring and stop platform in matrix simultaneously, has effectively prevented becoming flexible between stud and the matrix.The present invention is simultaneously adding man-hour, and the screw thread that is connected with matrix on the stud needn't adopt transition fit or interference fit, can be to not destroying matrix strength, and the difficulty of processing of screw thread is low, can cut down finished cost.Be specially adapted to the occasion higher, as fastening connection piece as the Aeronautics and Astronautics technical field to reliability requirement.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of stud of the present invention;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is the structural representation of stop ring of the present invention;
Fig. 5 is the left view of Fig. 4.
Being labeled as in the accompanying drawing: 1-matrix, 2-stud, 3-tapped hole, 4-stop ring, 5-stop platform.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples, but not as the foundation of the present invention being done any restriction.
Embodiments of the invention, when implementing to prevent the work that stud rotates on matrix, adopt method of the present invention to implement, method of the present invention is by being located at the stop ring (being embedded in the tapped hole port of matrix) on the matrix and being located at non-circular cooperation of the stop platform (in the junction of stud with the tapped hole port) on the stud, prevent that stud from rotating in matrix.The interior ring of stop ring and outer shroud are the key profile of tooth in this example, and the key tooth is a straight-tooth.The stop platform also is the key profile of tooth in this example, and the key tooth is a straight-tooth, and concrete size is corresponding with the interior ring of stop ring with shape.Described non-circular cooperation comprises stop ring and matrix non-circular cooperate and stop platform and stop ring between cooperate.The described non-circular Any shape that is meant except circle, as rectangle, star, the Any shape except circle such as polygonal or key profile of tooth.The non-circular employing of this example be the key profile of tooth.The hardness of described stop ring is greater than the hardness of matrix.
When implementing method of the present invention, preferably adopt a kind of linkage structure that prevents that stud from rotating on matrix of the present invention to implement, the linkage structure that prevents that stud from rotating on matrix of the present invention comprises matrix 1 and stud 2, matrix 1 is provided with tapped hole 3, is provided with the tapped hole port that stop ring 5 is embedded in matrix at the port of tapped hole 3; The middle part of stud 2 (with the junction of tapped hole port) is provided with stop platform 4.The outer shroud of stop ring 5 and interior ring are shaped as non-circular, the non-circular employing of this example be the key profile of tooth.The shape of cross section of stop platform 4 is non-circular, and corresponding with the interior annular shape of stop ring 5.Stop ring 5 incision matrixes one end is that sharp edge has cutting edge, so that stop ring 5 is squeezed in the matrix by special tool.
The screw thread at described stud two ends can be isometrical, also can be waney.The screw thread that screws in matrix one end needn't adopt transition or interference fit, can adopt common Spielpassung screw thread, reduces the machining accuracy of screw thread, and difficulty of processing is little, does not need to match stud during assembling, can cut down finished cost, and does not also damage the softer matrix of material.
Installation step of the present invention:
1) in the position that requires of matrix, makes the tapped hole that matches with stud;
2) stud is screwed in matrix to requiring size;
3) with special tool stop ring is knocked in matrix.
Because stud can not rotate down at the fixing of stop ring, therefore, stud can not be deviate from, and stud quilt " lock " firmly plays fine locking effect in the matrix tapped hole.The other end of stud is zero with other with the nut cooperation, parts are connected repeatedly dismounting.
Purposes of the present invention: the two ends of stud all are screw threads, and this two-part screw thread can be isometrical, also can be waney, and the screw thread that will screw in the matrix end during use is screwed into matrix, generally need not dismantle; Have in stud bar portion and to prevent the straight-tooth that rotates, after stud straight-tooth and stop ring match, stop ring is pressed into matrix, because stud can not rotate under stop ring fixing, therefore, stud can not be deviate from, stud by " lock " firmly in the matrix tapped hole, thereby reach stud and the firm purpose of connecting of matrix.The other end of stud connects connected component.
Claims (8)
1. method that prevents that stud from rotating on matrix is characterized in that: this method is by being embedded in the stop ring on the matrix and being located at the cooperation of the non-circular stop platform on the stud, prevent that stud from rotating in matrix.
2. the method that prevents that stud from rotating on matrix according to claim 1 is characterized in that: described non-circular cooperation comprises stop ring and matrix non-circular cooperate and stop platform and stop ring between cooperate.
3. the method that prevents that stud from rotating on matrix according to claim 2 is characterized in that: the described non-circular Any shape that is meant except circle.
4. the method that prevents that stud from rotating on matrix according to claim 3 is characterized in that: the hardness of described stop ring is greater than the hardness of matrix.
5. a linkage structure that prevents that stud from rotating on matrix comprises matrix (1) and stud (2), and it is characterized in that: matrix (1) is provided with tapped hole (3), is provided with stop ring (5) at the port of tapped hole (3); The middle part of stud (2) is provided with stop platform (4).
6. the linkage structure that prevents that stud from rotating on matrix according to claim 4 is characterized in that: the outer shroud and the interior ring of described stop ring (5) are shaped as non-circular.
7. the linkage structure that prevents that stud from rotating on matrix according to claim 5 is characterized in that: the shape of cross section of described stop platform (4) is non-circular, and corresponding with the interior annular shape of stop ring (5).
8. the linkage structure that prevents that stud from rotating on matrix according to claim 6 is characterized in that: described stop ring (5) incision matrix one end is sharp edge and has cutting edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910301776 CN101598167B (en) | 2009-04-23 | 2009-04-23 | Method and connection structure for preventing stud from rotating on substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910301776 CN101598167B (en) | 2009-04-23 | 2009-04-23 | Method and connection structure for preventing stud from rotating on substrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101598167A true CN101598167A (en) | 2009-12-09 |
| CN101598167B CN101598167B (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910301776 Active CN101598167B (en) | 2009-04-23 | 2009-04-23 | Method and connection structure for preventing stud from rotating on substrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101598167B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485133A (en) * | 2015-12-09 | 2016-04-13 | 中国南方航空工业(集团)有限公司 | Stud connecting structure for connecting gas turbine case and gas turbine |
| CN105840929A (en) * | 2016-06-22 | 2016-08-10 | 宜宾三江机械有限责任公司 | Straight connector with degree of freedom in circumferential direction locked by spline |
| CN106015250A (en) * | 2016-07-08 | 2016-10-12 | 河南航天精工制造有限公司 | Self-locking double-end stud and machining technique thereof |
| CN106246687A (en) * | 2015-08-06 | 2016-12-21 | 杨东佐 | One is fastenedly connected assembly and structure, installation and method for dismounting, crankshaft connecting rod system, track structure, bone attachment means and bone method of attachment |
| CN108591221A (en) * | 2018-05-23 | 2018-09-28 | 河南航天精工制造有限公司 | Checknut fastening assembly and threaded fastener retaining ring |
| CN109571367A (en) * | 2018-11-30 | 2019-04-05 | 河南航天精工制造有限公司 | A kind of stud component method for dismounting and stud component dismantle re-mounting method |
| CN111843421A (en) * | 2020-08-04 | 2020-10-30 | 中国工程物理研究院总体工程研究所 | Auxiliary anti-rotation method for assembly body containing micro-gap dissimilar material and application |
| CN112145529A (en) * | 2020-09-16 | 2020-12-29 | 浙江斯泰新材料科技股份有限公司 | Threaded fastener and connecting mechanism |
| CN112610587A (en) * | 2020-12-18 | 2021-04-06 | 北京动力机械研究所 | Detachable self-locking stud |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2622649A1 (en) * | 1987-11-03 | 1989-05-05 | Shur Lok International Sa | Dismantleable stud assembly |
| CN1304000A (en) * | 1999-12-02 | 2001-07-18 | 约翰·K·琼克斯 | Screw thread joint for connectting two parts |
| JP2005069393A (en) * | 2003-08-26 | 2005-03-17 | Daifuku Co Ltd | Fastener |
| CN201377507Y (en) * | 2009-04-23 | 2010-01-06 | 贵州航天精工制造有限公司 | Connecting structure preventing stud bolt from rotating on substrate |
-
2009
- 2009-04-23 CN CN 200910301776 patent/CN101598167B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246687A (en) * | 2015-08-06 | 2016-12-21 | 杨东佐 | One is fastenedly connected assembly and structure, installation and method for dismounting, crankshaft connecting rod system, track structure, bone attachment means and bone method of attachment |
| CN105485133A (en) * | 2015-12-09 | 2016-04-13 | 中国南方航空工业(集团)有限公司 | Stud connecting structure for connecting gas turbine case and gas turbine |
| CN105840929A (en) * | 2016-06-22 | 2016-08-10 | 宜宾三江机械有限责任公司 | Straight connector with degree of freedom in circumferential direction locked by spline |
| CN106015250A (en) * | 2016-07-08 | 2016-10-12 | 河南航天精工制造有限公司 | Self-locking double-end stud and machining technique thereof |
| CN108591221A (en) * | 2018-05-23 | 2018-09-28 | 河南航天精工制造有限公司 | Checknut fastening assembly and threaded fastener retaining ring |
| CN108591221B (en) * | 2018-05-23 | 2020-12-04 | 河南航天精工制造有限公司 | Anti-loosening threaded fastening assembly and threaded fastener locking ring |
| CN109571367A (en) * | 2018-11-30 | 2019-04-05 | 河南航天精工制造有限公司 | A kind of stud component method for dismounting and stud component dismantle re-mounting method |
| CN109571367B (en) * | 2018-11-30 | 2020-12-29 | 河南航天精工制造有限公司 | Stud assembly dismounting method and stud assembly dismounting and re-mounting method |
| CN111843421A (en) * | 2020-08-04 | 2020-10-30 | 中国工程物理研究院总体工程研究所 | Auxiliary anti-rotation method for assembly body containing micro-gap dissimilar material and application |
| CN112145529A (en) * | 2020-09-16 | 2020-12-29 | 浙江斯泰新材料科技股份有限公司 | Threaded fastener and connecting mechanism |
| CN112610587A (en) * | 2020-12-18 | 2021-04-06 | 北京动力机械研究所 | Detachable self-locking stud |
| CN112610587B (en) * | 2020-12-18 | 2022-07-01 | 北京动力机械研究所 | Detachable self-locking stud |
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| Publication number | Publication date |
|---|---|
| CN101598167B (en) | 2013-06-12 |
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