CN102767556A - Punched point anti-loosening method for sunk screw connection - Google Patents
Punched point anti-loosening method for sunk screw connection Download PDFInfo
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- CN102767556A CN102767556A CN201210249388XA CN201210249388A CN102767556A CN 102767556 A CN102767556 A CN 102767556A CN 201210249388X A CN201210249388X A CN 201210249388XA CN 201210249388 A CN201210249388 A CN 201210249388A CN 102767556 A CN102767556 A CN 102767556A
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Abstract
Provided is a punched point anti-loosening method for sunk screw connection. 2-4 punched point grooves or punched point holes are formed on the circumferential edge of the opening of a sunk screw hole by mechanical processing, the width or diameter of the opening of the punched point groove or punched point hole is 1.2mm-2.5mm, the punched point grooves or punched point holes are evenly distributed on the circumferential edge of the opening of the sunk screw hole, and the central line of the punched point groove or punched point hole is perpendicular to the central line of the sunk screw hole. In connection, a punch is abutted against the part of the screw head of the sunk screw opposite to the punched point groove or punched point hole prefabricated on the edge of a sunk screw hole in a to-be-connected member, and a punching tool is hit, so that the screw head of the sunk screw deforms to get squeezed into the punched point groove or punched point hole prefabricated on the edge of the sunk screw hole in the to-be-connected member, therefore achieving the purpose of mechanical motion stop and loosening prevention for screw. The inventive method has the characteristics of simple and easy operation, reliable screw loosening prevention, and wide application. The punched point groove or punched point hole is round, V-shaped or conical.
Description
Technical field
The present invention relates to mechanical field, specifically is a kind of thread connection anti-loose method.
Background technique
Being threaded is a kind of connection fixation method that generally adopts during Machine Design is made.But, along with active time increases, particularly under applying working conditions such as vibration, impact, be threaded and can take place loosening gradually or bolt, screw withdraw from, reduce the reliability of connection.For the reliability that guarantees to be threaded, in Machine Design, there are various proof measures can supply to select for use, beating after bolt, screw are installed and dashing point is exactly wherein a kind of anti-loose method.Method is simple for this, has certain anti-loosing effect.But, use and find, connect for steel part; Sunk screw (being generally 90 °) connects towards the some anti-loosing effect not very good, and reason is for this structure, dashes the screw thread that the some instrument can not touch screw at all; And between screw head and connected piece counterbore slit, beat towards point, because it is connected piece hardness is high, very little towards point deformation; Limited by the operating space in some situation, dashing of being beaten is a very little some trace a little, do not reach stopping effect.Therefore, limited at assembly space, connected piece is that steel part and thickness are less, and screw is installed the back screw head and do not allowed to exceed under the condition of counterbore end face, need improve sunk screw and connect towards a some anti-loosing effect.
Summary of the invention
Dash the deficiency of some anti-loosing effect difference for overcoming the connection that exists in the existing technology, the present invention proposes an a kind of anti-loose method that dashes that is used for the sunk screw connection.
Concrete technological scheme of the present invention is:
The mode that on the edge of aperture, sunk screw hole circumference, adds through machine is processed with 2～4 towards the some hole or towards a some groove, and a diameter or the width that should locate or dash some groove notch place towards some aperture, hole are 1.2mm～2.5mm; Said towards putting the hole or being evenly distributed on the edge of aperture, sunk screw hole circumference towards a some groove; The said some hole or parallel with the center line in sunk screw hole that dashes towards the center line of some groove;
Sunk screw hole on the connected piece and the sunk screw hole on the product matrix are aligned; Insert in the sunk screw hole on connected piece sunk screw hole and the product matrix sunk screw and fastening putting in place;
With drift by prefabricated dashing a hole or dash the relative position of some groove on the screw head that is placed on sunk screw and the connected piece; Impact and dash a some instrument, make and prefabricatedly on the edge of clamp-oning connected piece sunk screw hole after this position distortion of screw head of sunk screw dash a hole or dash in the some groove.
Said dash the some hole or dash the some groove be shaped as circle or V-arrangement or taper shape.
Sunk screw connects the problem of dashing some anti-loosing effect difference in the existing technology in order to overcome; The present invention dashes a some groove being provided with in advance on the edge of the harder connected piece counterbore of material on one or several circumferential edges that is evenly distributed on the sunk screw hole, is used to hold the screw head end face towards point deformation.After connected piece is tightened in the screw installation; With the prefabricated relative position of aperture on ailhead end face that dashes this screw of some instrument strike and the connected piece counterbore edge; Clamp-on in the prefabricated aperture on the connected piece counterbore edge after making this position distortion of screw head, thereby reach the purpose that the screw mechanical stop is loosened, and have simple and easy to do; Screw check is reliable, the characteristics of wide accommodation.
Description of drawings
Fig. 1 is the position view that dashes the some groove or dash the some hole;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the locking structural representation in logical overshoot point hole;
Fig. 4 is the plan view of Fig. 3;
Fig. 5 dashes the locking structural representation of some groove through V-arrangement;
Fig. 6 is the plan view of Fig. 5;
Fig. 7 dashes the locking structural representation in some hole through taper shape;
Fig. 8 is the plan view of Fig. 7.
Among the figure:
1. connected piece 2. matrixes 3. dash 4. sunk screws, 5. sunk screw holes 6., some hole and dash the some groove
Embodiment
Present embodiment is an a kind of anti-loose method that dashes that is used for the sunk screw connection, and the connected piece 1 that is connected is steel part, has 90 ° sunk screw hole 5 on this connected piece 1.In the practical implementation:
Present embodiment is an a kind of anti-loose method that dashes that is used for the sunk screw connection, and the connected piece 1 that is connected is steel part, has 90 ° sunk screw hole 5 on this connected piece 1.In the practical implementation:
The mode that at first on the edge of sunk screw hole 5 aperture circumference, adds through machine is processed with 2～4 V-arrangements and dashes some groove 6; The width that should dash some groove notch is 2mm～3mm; The angle that dashes between the some groove V-arrangement summit is 60 °, and the bisector of this drift angle is perpendicular to the circumference in sunk screw hole 5.The said some groove 6 that dashes is evenly distributed on the edge of sunk screw hole 5 aperture circumference.The said center line that dashes the angular bisector of some groove 6V shape perpendicular to sunk screw hole 5.In the present embodiment, dashing a some groove 6 has 4, and width of rebate is 3mm, and the degree of depth is 1.5mm, evenly distributes along the aperture circumference in sunk screw hole 5.
Sunk screw hole on sunk screw hole on the connected piece 15 and the product matrix 2 is aligned.Sunk screw 4 is inserted in the sunk screw hole on connected piece 1 sunk screw holes and the product matrix 2 also fastening putting in place.
Will be towards the drift of some instrument by the prefabricated relative position of a groove 6 that dashes on the screw head that is placed on said sunk screw 4 and the sunk screw bore edges on the connected piece; Impact and dash a some instrument, make prefabricated dashing in the groove 6 on the edge of clamp-oning connected piece 1 sunk screw hole 5 after the screw head position distortion of sunk screw 4.
Present embodiment is an a kind of anti-loose method that dashes that is used for the sunk screw connection, and the connected piece 1 that is connected is steel part, has 90 ° sunk screw hole 5 on this connected piece 1.In the practical implementation:
The mode that at first on the edge of sunk screw hole 5 aperture circumference, adds through machine is processed with 2～4 taper shapes and dashes some hole 3; The diameter that should dash some aperture, hole is 2mm～3mm; The cone angle that dashes the some hole is 60 °, and should be parallel to the center line in sunk screw hole 5 towards the center line in some hole.The said some hole 3 that dashes is evenly distributed on the edge of sunk screw hole 5 aperture circumference.In the present embodiment, dashing a some hole 3 has 4, and orifice diameter is 3mm, and the degree of depth is 1.5mm, evenly distributes along the aperture circumference in sunk screw hole 5.
Sunk screw hole on sunk screw hole on the connected piece 15 and the product matrix 2 is aligned.Sunk screw 4 is inserted in the sunk screw hole on connected piece 1 sunk screw holes and the product matrix 2 also fastening putting in place.
Will be towards the drift of some instrument by the prefabricated relative position, a hole 3 that dashes on the screw head that is placed on said sunk screw 4 and the sunk screw bore edges on the connected piece; Impact and dash a some instrument, make prefabricated dashing in the hole 3 on the edge of clamp-oning connected piece 1 sunk screw hole 5 after the screw head position distortion of sunk screw 4.
Claims (2)
1. an anti-loose method that dashes that is used for the sunk screw connection is characterized in that,
The mode that on the edge of aperture, sunk screw hole circumference, adds through machine is processed with 2～4 towards the some hole or towards a some groove, and a diameter or the width that should locate or dash some groove notch place towards some aperture, hole are 1.2mm～2.5mm; Said towards putting the hole or being evenly distributed on the edge of aperture, sunk screw hole circumference towards a some groove; The said some hole or parallel with the center line in sunk screw hole that dashes towards the center line of some groove;
Sunk screw hole on the connected piece and the sunk screw hole on the product matrix are aligned; Insert in the sunk screw hole on connected piece sunk screw hole and the product matrix sunk screw and fastening putting in place;
With drift by prefabricated dashing a hole or dash the relative position of some groove on the screw head that is placed on sunk screw and the connected piece; Impact and dash a some instrument, make and prefabricatedly on the edge of clamp-oning connected piece sunk screw hole after this position distortion of screw head of sunk screw dash a hole or dash in the some groove.
2. be used for the anti-loose method that dashes that sunk screw connects according to claim 1, it is characterized in that, said dash the some hole or dash the some groove be shaped as circle or V-arrangement or taper shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210249388XA CN102767556A (en) | 2012-07-18 | 2012-07-18 | Punched point anti-loosening method for sunk screw connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210249388XA CN102767556A (en) | 2012-07-18 | 2012-07-18 | Punched point anti-loosening method for sunk screw connection |
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| Publication Number | Publication Date |
|---|---|
| CN102767556A true CN102767556A (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210249388XA Pending CN102767556A (en) | 2012-07-18 | 2012-07-18 | Punched point anti-loosening method for sunk screw connection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825638A (en) * | 2018-08-01 | 2018-11-16 | 安徽送变电工程有限公司 | A kind of anti-theft device applied to whorl work piece |
| CN110529485A (en) * | 2019-09-24 | 2019-12-03 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of connection structure and its dormant bolt |
| CN112483464A (en) * | 2020-10-27 | 2021-03-12 | 中国船舶重工集团公司第七0三研究所 | Novel circumferential groove type gas turbine compressor blade locking device |
| CN115030948A (en) * | 2022-04-29 | 2022-09-09 | 绍兴宝旌复合材料有限公司 | Detachable double-faced countersunk head fastener and connecting method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4105058A (en) * | 1977-03-31 | 1978-08-08 | Ball Valve Company, Inc. | Screw locking arrangement |
| CN101614234A (en) * | 2009-08-17 | 2009-12-30 | 贵州航天精工制造有限公司 | A kind of method and sawtooth stop swivel nut that prevents that swivel nut rotates in the matrix screw |
| US20100143031A1 (en) * | 2009-03-03 | 2010-06-10 | Remy Technologies, L.L.C. | Mechanical fastener having a thread staking mechanism |
-
2012
- 2012-07-18 CN CN201210249388XA patent/CN102767556A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4105058A (en) * | 1977-03-31 | 1978-08-08 | Ball Valve Company, Inc. | Screw locking arrangement |
| US20100143031A1 (en) * | 2009-03-03 | 2010-06-10 | Remy Technologies, L.L.C. | Mechanical fastener having a thread staking mechanism |
| CN101614234A (en) * | 2009-08-17 | 2009-12-30 | 贵州航天精工制造有限公司 | A kind of method and sawtooth stop swivel nut that prevents that swivel nut rotates in the matrix screw |
Non-Patent Citations (1)
| Title |
|---|
| 王会: "航空机轮的齿轮防松工艺改进", 《航空精密制造技术》, vol. 47, no. 1, 28 February 2011 (2011-02-28), pages 60 - 62 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825638A (en) * | 2018-08-01 | 2018-11-16 | 安徽送变电工程有限公司 | A kind of anti-theft device applied to whorl work piece |
| CN110529485A (en) * | 2019-09-24 | 2019-12-03 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of connection structure and its dormant bolt |
| CN112483464A (en) * | 2020-10-27 | 2021-03-12 | 中国船舶重工集团公司第七0三研究所 | Novel circumferential groove type gas turbine compressor blade locking device |
| CN112483464B (en) * | 2020-10-27 | 2023-03-14 | 中国船舶重工集团公司第七0三研究所 | Circumferential groove type gas turbine compressor blade locking device |
| CN115030948A (en) * | 2022-04-29 | 2022-09-09 | 绍兴宝旌复合材料有限公司 | Detachable double-faced countersunk head fastener and connecting method and application thereof |
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Application publication date: 20121107 |