CN109340244B - Bolt with anti-loose and anti-theft functions - Google Patents
Bolt with anti-loose and anti-theft functions Download PDFInfo
- Publication number
- CN109340244B CN109340244B CN201811500274.1A CN201811500274A CN109340244B CN 109340244 B CN109340244 B CN 109340244B CN 201811500274 A CN201811500274 A CN 201811500274A CN 109340244 B CN109340244 B CN 109340244B
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- Prior art keywords
- annular
- groove
- gasket
- rear end
- drive portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 229920000297 Rayon Polymers 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 239000002775 capsule Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims 5
- 230000007246 mechanism Effects 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/225—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of a settable material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a bolt with a locking and anti-theft function, which comprises a screw body, a pressing body, a fixing groove, a fixing mechanism, a cylinder, a first driving part, a screwing cap, a second driving part, an annular anti-drop body, a gasket, a first sealing ring, a second sealing ring, a bag body and a storage groove, wherein the pressing body is arranged at the rear end of the screw body, the cylinder is integrally formed at the rear end of the pressing body, the first driving part is integrally formed at the rear end of the cylinder, the cross section of the first driving part is square, the diameter of the cylinder is equal to the side length of the first driving part, the second driving part is arranged in the front end of the screwing cap, and the second driving part is penetrated with the first driving part which can slide.
Description
[ field of technology ]
The invention relates to the technical field of fasteners, in particular to the technical field of bolts with anti-loosening and anti-theft functions.
[ background Art ]
Bolts are common fasteners, conventional bolts generally do not have a locking function, and as a plurality of bolts are used on a machine, after the machine is started, the machine can vibrate slightly, so that when the bolts are used for a long time, the bolts can be loosened or even separated, and thus, the normal operation of the machine is greatly influenced.
The conventional bolt is disassembled by a conventional tool due to the standard shape, but some special assembly and installation conditions are met, locking is needed after assembly, and random disassembly is not allowed, so that the conventional bolt cannot be utilized due to convenient disassembly.
[ invention ]
The invention aims to solve the problems in the prior art and provides a bolt with anti-loosening and anti-theft functions.
In order to achieve the above object, the invention provides a bolt with anti-loosening and anti-theft functions, which comprises a bolt body, a pressing body, a fixing groove, a fixing mechanism, a cylinder, a first driving part, a screwing cap, a second driving part, an annular anti-falling body, a gasket, a first sealing ring, a second sealing ring, a bag body and a storage groove, wherein the pressing body is arranged at the rear end of the bolt body, the cylinder is integrally formed at the rear end of the pressing body, the first driving part is integrally formed at the rear end of the cylinder, the cross section of the first driving part is square, the diameter of the cylinder is equal to the side length of the first driving part, the second driving part is arranged in the front end of the screwing cap, the first driving part is arranged on the second driving part in a penetrating manner, the annular anti-falling body is arranged at the periphery of the front end of the screwing cap, the fixing groove for inserting the front end of the screwing cap into the fixing groove, the fixing mechanism is fixed in the fixing groove for blocking the annular anti-falling body, the annular anti-falling body is sleeved in the fixing groove, the sealing ring is arranged in the sealing ring body, the sealing ring is arranged in the storage groove, the sealing ring is arranged in the storage groove, and the gasket is communicated with the front end of the bag body, and the gasket is arranged in the storage groove.
Preferably, a first annular mounting groove is formed in the rear end of the storage groove, a first sealing ring is arranged in the first annular mounting groove, and the inner diameter of the first sealing ring is smaller than the diameter of the pressing body.
Preferably, a second annular mounting groove is formed in the front end of the gasket, and a second sealing ring is arranged in the second annular mounting groove.
Preferably, the screwing cap is a cylindrical sleeve body with a screwing part arranged on the peripheral surface of the rear end and the rear end is closed, and the cross section of the outer wall of the screwing part is in a regular polygon shape.
Preferably, the fixing mechanism comprises an annular body, a plurality of grooves and a plurality of elastic clamping pieces, wherein the grooves are uniformly distributed on the outer circumferential surface of the annular body, the elastic clamping pieces are arranged in the grooves, and annular clamping grooves matched with the elastic clamping pieces are formed in the inner walls of the fixing grooves.
Preferably, the outer diameter of the annular body is equal to the outer diameter of the fixing groove, and the annular body is sleeved on the non-screwing part of the screwing cap.
Preferably, the elastic clamping piece comprises a fixing part and a clamping part, the fixing part is fixedly arranged in the groove, the upper end of the fixing part is provided with the clamping part which is obliquely arranged, the high end of the clamping part exceeds the opening of the groove, and the low end of the clamping part does not exceed the opening of the groove.
Preferably, the four corners of the first driving part are chamfered into arc-shaped corners.
Preferably, a connecting port matched with the second driving part is formed on the inner wall of the front end of the screwing cap, and the cross section of the connecting port is square.
The invention has the beneficial effects that: the second driving part drives the cylinder to rotate through the first driving part, the cylinder drives the screw body to rotate through the pressing body, after the screw is screwed, the annular body is pushed forward to move into the fixed groove, the annular body drives the screw cap to move forward through the annular anti-falling body until the rear end of the annular body is flush with the rear end of the fixed groove, at the moment, the high end of the clamping part is positioned in the annular clamping groove, the screw cap is prevented from sliding backwards, the second driving part is completely separated from the first driving part, and only the second driving part is driven to idle when the screw cap is rotated, so that the anti-theft function is realized; the capsule body is extruded through the compression body, viscose liquid in the capsule body flows into the storage tank, then part of viscose liquid enters the front end face of the gasket through the through hole, the gasket is bonded with the fixing piece, the gasket is bonded with the compression body, the bolt looseness caused by vibration is avoided, and compared with the prior art, the anti-theft device can effectively prevent the bolt looseness caused by vibration and has an anti-theft function.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic cross-sectional view of a bolt with anti-loosening and anti-theft functions according to the present invention;
fig. 2 is a partial side view of a bolt with anti-loosening and anti-theft functions according to the present invention.
In the figure: the device comprises a 1-screw body, a 2-pressing body, a 3-fixing groove, a 4-fixing mechanism, a 5-cylinder, a 6-first driving part, a 7-screwing cap, an 8-second driving part, a 9-annular anti-falling body, a 10-annular clamping groove, an 11-screwing part, a 12-connecting port, a 13-through hole, a 14-second annular mounting groove, a 15-gasket, a 16-first sealing ring, a 17-second sealing ring, a 18-capsule, a 19-storage groove, a 20-first annular mounting groove, a 41-annular body, a 42-groove, a 43-elastic clamping piece, a 431-fixing part and a 432-clamping part.
[ detailed description ] of the invention
Referring to fig. 1 and 2, the bolt with anti-loosening and anti-theft functions comprises a bolt body 1, a pressing body 2, a fixing groove 3, a fixing mechanism 4, a cylinder 5, a first driving part 6, a screwing cap 7, a second driving part 8, an annular anti-loosening body 9, a gasket 15, a first sealing ring 16, a second sealing ring 17, a bag body 18 and a storage groove 19, wherein the pressing body 2 is arranged at the rear end of the bolt body 1, the cylinder 5 is integrally formed at the rear end of the pressing body 2, the first driving part 6 is provided with the cylinder 5, the cross section of the first driving part 6 is square, the diameter of the cylinder 5 is equal to the side length of the first driving part 6, the second driving part 8 is arranged in the front end of the screwing cap 7, the annular anti-loosening body 9 is arranged on the peripheral surface of the front end of the screwing cap 7, the fixing cap 3 for inserting the front end of the screwing cap 7 into the groove 3, the sealing ring 3 is arranged in the storage groove 19, the sealing ring 19 is arranged in the groove 19 and is arranged in the storage groove 19, the sealing cap 15 is arranged in the storage groove 19, the sealing ring 15 is arranged in the storage groove 19, the sealing cap 19 is arranged in the storage groove 19, the sealing ring 19 is arranged in the storage groove 19, the sealing cap 19 is connected with the front end of the sealing cap 15, and the sealing ring 15 is arranged in the storage groove 19, the sealing ring 19 is arranged in the storage groove 19, the storage groove is connected with the sealing ring 19, and the sealing ring 19 is connected with the sealing ring, and the sealing cap 3, and the sealing ring, and the sealing groove is inserted. The first annular mounting groove 20 is internally provided with a first sealing ring 16, the inner diameter of the first sealing ring 16 is smaller than the diameter of the pressing body 2, the front end of the gasket 15 is provided with a second annular mounting groove 14, the second annular mounting groove 14 is internally provided with a second sealing ring 17, the peripheral surface of the rear end of the screwing cap 7 is provided with a screwing part 11 and a cylindrical sleeve body with the closed rear end, the cross section of the outer wall of the screwing part 11 is in a regular polygon shape, the fixing mechanism 4 comprises an annular body 41, a plurality of grooves 42 and a plurality of elastic clamping pieces 43, the peripheral surface of the annular body 41 is provided with uniformly distributed grooves 42, elastic clamping pieces 43 are arranged in the grooves 42, the inner wall of the fixing groove 3 is provided with an annular clamping groove 10 matched with the elastic clamping pieces 43, the outer diameter of the annular body 41 is equal to the outer diameter of the fixing groove 3, the annular body 41 is sleeved on the non-screwing part 11 of the screwing cap 7, the elastic clamping pieces 43 comprise fixing parts 431 and clamping parts 432, the fixing parts 431 are fixedly arranged in the grooves 42, the clamping parts 431 are provided with the inner side of the grooves 42, the clamping parts 431 are provided with the inclined clamping parts 432, the inclined clamping parts are arranged at the corners of the inner sides of the grooves 12, and the inner sides of the fixing parts are not in the inclined parts 12, and the inclined parts are in the opening of the front ends 12 and the front ends of the groove 12 are formed, and the upper ends of the two sides of the square parts are in a shape of the groove 12, and the upper end 12 is driven by the opening the upper than the corresponding to the groove 12, and the upper end of the upper end 12 is provided with the opening of the opening.
The working process of the invention comprises the following steps:
in the working process of the bolt with the anti-loosening and anti-theft functions, the wrench rotates the screwing cap 7 to drive the second driving part 8 to rotate, the second driving part 8 drives the cylinder 5 to rotate through the first driving part 6, the cylinder 5 drives the screw body 1 through the pressing body 2, after the screwing is completed, the annular body 41 is pushed forward to move into the fixed groove 3, the annular body 41 drives the screwing cap 7 to move forward through the annular anti-falling body 9 until the rear end of the annular body 41 is flush with the rear end of the fixed groove 3, at the moment, the high end of the clamping part 432 is positioned in the annular clamping groove 10 to prevent the screwing cap 7 from sliding backwards, the second driving part 8 is completely separated from the first driving part 6, and when the screwing cap 7 is rotated, the second driving part 8 can only be driven to idle.
When the annular body 41 enters the fixing groove 3, the inner wall of the fixing groove 3 can force the clamping part 432 to completely enter the groove 42, and when the rear end of the clamping part 432 moves to the annular clamping groove 10, the clamping part 432 is restored to an inclined state under the elastic action of the clamping part 432 and is inserted into the annular clamping groove 10.
In the fastening process, the pressing body 2 drives the gasket 15 to move forwards, so that the second sealing ring 17 is tightly attached to the fastened piece, at this time, the gasket 15 cannot move continuously along with the pressing body 2, the pressing body 2 continues to move forwards to extrude the bag body 18 until the bag body is broken, viscose liquid in the bag body 18 flows into the storage groove 19, then part of viscose liquid enters the front end face of the gasket 15 through the through hole 13, after the fastening is completed, the front end of the gasket 15 is pressed on the fastened piece, the front end of the pressing body 2 is abutted against the front end of the storage groove 19, the gasket 15 is bonded with the fixed piece, and the gasket 15 is bonded with the pressing body 2.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (5)
1. A bolt with locking theftproof function, its characterized in that: including screw rod body (1), clamp body (2), fixed slot (3), fixed establishment (4), cylinder (5), first drive portion (6), twist cap (7), second drive portion (8), cyclic annular anticreep body (9), gasket (15), first sealing washer (16), second sealing washer (17), bag body (18) and storage tank (19), the rear end of screw rod body (1) is equipped with clamp body (2), the rear end integrated into one piece of clamp body (2) has cylinder (5), the rear end integrated into one piece of cylinder (5) has first drive portion (6), the cross section of first drive portion (6) is square shape, the diameter of cylinder (5) equals with the length of a side of first drive portion (6), be equipped with second drive portion (8) in the front end of twist cap (7), wear to be equipped with slidable first drive portion (6) on second drive portion (8), the front end global of moving cap (7) is equipped with cyclic annular anticreep body (9), the rear end integrated into one piece of clamp body (2) has first drive portion (6), the cross section of first drive portion (6) is square shape, the diameter of cylinder (5) equals the side of first drive portion (6) that is equipped with the side of first drive portion (6) that can slide, the front end of screw cap (7), fix fixed establishment (4) in fixed slot (3) to annular anticreep body (9) block, the cover is equipped with gasket (15) on screw rod body (1), the rear end of gasket (15) is equipped with storage tank (19), in inserting storage tank (19) in the front end of clamp body (2), seal through first sealing washer (16) between clamp body (2) and storage tank (19), capsule (18) have been placed in storage tank (19) in the place ahead of clamp body (2), the viscose liquid has been stored in capsule (18), the front end of gasket (15) is equipped with second sealing washer (17), the front end of gasket (15) be equipped with a plurality of through-holes (13) with storage tank (19) intercommunication in second sealing washer (17), twist cap (7) be equipped with for the rear end global to twist and move portion (11) and the confined cylindrical sleeve body of rear end, twist the outer wall cross section of portion (11) be regular polygon shape, fixed establishment (4) include annular body (42) and card body (42) and a plurality of elastic component (42) are equipped with evenly distributed in the periphery (42) and are equipped with annular (42) and are equipped with elastic component (43), the inner wall of the fixed groove (3) is provided with an annular clamping groove (10) matched with the elastic clamping piece (43), the outer diameter of the annular body (41) is equal to the outer diameter of the fixed groove (3), the annular body (41) is sleeved on a non-screwing part of the screwing cap (7), the elastic clamping piece (43) comprises a fixed part (431) and a clamping part (432), the fixed part (431) is fixedly arranged in the groove (42), the upper end of the fixed part (431) is provided with a clamping part (432) which is obliquely arranged, the high end of the clamping part (432) exceeds the opening of the groove (42), the low end of the clamping part (432) does not exceed the opening of the groove (42), in the working process, the wrench rotates to screw the cap (7) to drive the second driving part (8) to rotate, the second driving part (8) drives the cylinder (5) to rotate through the first driving part (6), the cylinder (5) drives the screw body (1) to rotate through the pressing body (2), after the screw is screwed, the annular body (41) is pushed forward to move in the fixed groove (3), the annular body (41) drives the screw cap (7) to move forward through the annular anti-falling body (9) until the rear end of the annular body (41) is flush with the rear end of the fixed groove (3), at the moment, the high end of the clamping part (432) is positioned in the annular clamping groove (10), prevent to twist cap (7) backward slip, and second drive portion (8) also breaks away from first drive portion (6) completely, rotate when twisting cap (7), can only drive second drive portion (8) idle running, when cyclic annular body (41) get into the in-process of fixed slot (3), the joint portion (432) can be forced to get into in recess (42) completely to fixed slot (3) inner wall, when the rear end of joint portion (432) moves cyclic annular draw-in groove (10) department, the joint portion (432) resumes the tilt state under self elasticity effect, insert cyclic annular draw-in groove (10) in, in the in-process of fastening, press body (2) drive gasket (15) forward movement, make second sealing washer (17) hug closely by the fastener, at this moment, gasket (15) can not follow the continuous motion of press body (2), and press body (2) continuous forward movement to bag body (18) until breaking, viscose liquid in bag body (18) flows into storage tank (19), then part viscose liquid gets into the front end face (15) through hole (13) and gets into before the preceding end of gasket (15) and is pressed on the fixed body (15) before the front end and the fastener is pressed at the gasket (15), before pressing body (15) is pressed tightly, before the front end and the gasket (15) is pressed.
2. The bolt with anti-loosening and anti-theft functions as claimed in claim 1, wherein: a first annular mounting groove (20) is formed in the rear end of the storage groove (19), a first sealing ring (16) is arranged in the first annular mounting groove (20), and the inner diameter of the first sealing ring (16) is smaller than the diameter of the pressing body (2).
3. The bolt with anti-loosening and anti-theft functions as claimed in claim 1, wherein: the front end of the gasket (15) is provided with a second annular mounting groove (14), and a second sealing ring (17) is arranged in the second annular mounting groove (14).
4. The bolt with anti-loosening and anti-theft functions as claimed in claim 1, wherein: the four corners of the first driving part (6) are chamfered into arc-shaped corners.
5. A bolt with anti-loosening and anti-theft function according to any one of claims 1 to 4, characterized in that: the inner wall of the front end of the screwing cap (7) is provided with a connecting port (12) matched with the second driving part (8), and the cross section of the connecting port (12) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811500274.1A CN109340244B (en) | 2018-12-07 | 2018-12-07 | Bolt with anti-loose and anti-theft functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811500274.1A CN109340244B (en) | 2018-12-07 | 2018-12-07 | Bolt with anti-loose and anti-theft functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109340244A CN109340244A (en) | 2019-02-15 |
| CN109340244B true CN109340244B (en) | 2023-11-21 |
Family
ID=65303406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811500274.1A Active CN109340244B (en) | 2018-12-07 | 2018-12-07 | Bolt with anti-loose and anti-theft functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340244B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118220B (en) * | 2019-06-10 | 2024-02-06 | 浙江盛世瑞金紧固件股份有限公司 | Lock bolt for highway guardrail |
Citations (9)
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|---|---|---|---|---|
| JP2002242919A (en) * | 2001-02-20 | 2002-08-28 | Masataka Ishii | Bolt/nut tightening tool |
| CN201159241Y (en) * | 2008-03-02 | 2008-12-03 | 何杰 | Adhesion type anti-theft locking fixture |
| KR20110116363A (en) * | 2010-04-19 | 2011-10-26 | 한형환 | Captive screw |
| WO2011158824A1 (en) * | 2010-06-15 | 2011-12-22 | 株式会社ハマ・システム | Bolt |
| JP3174781U (en) * | 2011-03-01 | 2012-04-05 | 台湾固而美工業股▲ふん▼有限公司 | Wheel fastener |
| WO2012127146A1 (en) * | 2011-03-21 | 2012-09-27 | Jpb Systeme | Shut-off device with automatically activatable locking |
| JP2013053704A (en) * | 2011-09-06 | 2013-03-21 | F Sekkei:Kk | Fastening member with looseness preventer |
| CN103644185A (en) * | 2013-11-28 | 2014-03-19 | 江西洪都航空工业集团有限责任公司 | Bending bolt connecting structure |
| CN105757099A (en) * | 2016-03-31 | 2016-07-13 | 南通康达鑫电子有限公司 | Improved fastening screw |
-
2018
- 2018-12-07 CN CN201811500274.1A patent/CN109340244B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002242919A (en) * | 2001-02-20 | 2002-08-28 | Masataka Ishii | Bolt/nut tightening tool |
| CN201159241Y (en) * | 2008-03-02 | 2008-12-03 | 何杰 | Adhesion type anti-theft locking fixture |
| KR20110116363A (en) * | 2010-04-19 | 2011-10-26 | 한형환 | Captive screw |
| WO2011158824A1 (en) * | 2010-06-15 | 2011-12-22 | 株式会社ハマ・システム | Bolt |
| JP3174781U (en) * | 2011-03-01 | 2012-04-05 | 台湾固而美工業股▲ふん▼有限公司 | Wheel fastener |
| WO2012127146A1 (en) * | 2011-03-21 | 2012-09-27 | Jpb Systeme | Shut-off device with automatically activatable locking |
| JP2013053704A (en) * | 2011-09-06 | 2013-03-21 | F Sekkei:Kk | Fastening member with looseness preventer |
| CN103644185A (en) * | 2013-11-28 | 2014-03-19 | 江西洪都航空工业集团有限责任公司 | Bending bolt connecting structure |
| CN105757099A (en) * | 2016-03-31 | 2016-07-13 | 南通康达鑫电子有限公司 | Improved fastening screw |
Non-Patent Citations (1)
| Title |
|---|
| 螺钉装配及防松技术;赵蕴懿;李金萍;;航天制造技术(第05期);第45-47页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109340244A (en) | 2019-02-15 |
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Address after: 314300 no.413, Daifeng Road, Wanghai street, Haiyan County, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Shengshi Ruijin Fastener Co.,Ltd. Address before: Yuantong Haiyan County Industrial Zone Yuantong street of Jiaxing city of Zhejiang Province in 314300 Applicant before: ZHEJIANG WORLD WIN FASTENER Co.,Ltd. |
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