CN109340244A - A kind of bolt with anti-loose anti-theft function - Google Patents
A kind of bolt with anti-loose anti-theft function Download PDFInfo
- Publication number
- CN109340244A CN109340244A CN201811500274.1A CN201811500274A CN109340244A CN 109340244 A CN109340244 A CN 109340244A CN 201811500274 A CN201811500274 A CN 201811500274A CN 109340244 A CN109340244 A CN 109340244A
- Authority
- CN
- China
- Prior art keywords
- groove
- drive portion
- bolt
- theft function
- cap
- 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.)
- Granted
Links
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 229920000297 Rayon Polymers 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation 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 kind of bolts with anti-loose anti-theft function, including screw body, fastening body, fixing groove, fixed mechanism, cylindrical body, first drive portion, turn cap, second drive portion, cyclic annular anti-lift-off, gasket, first sealing ring, second sealing ring, utricule and storage groove, the rear end of the screw body is equipped with fastening body, the rear end of the fastening body is integrally formed with cylindrical body, the rear end of the cylindrical body is integrally formed with the first drive portion, the cross section of first drive portion is square shape, the diameter of the cylindrical body is equal with the side length of the first drive portion, the second drive portion is equipped in the front end for turning cap, slidable first drive portion is equipped in second drive portion, compared with prior art, bolt looseness caused by vibration can effectively be prevented, and there is anti-theft function.
Description
[technical field]
The present invention relates to the technical field of fastener, the technology of especially a kind of bolt with anti-loose anti-theft function is led
Domain.
[background technique]
Bolt is common fastener, and traditional bolt is generally without locking functions, since many bolts are all in machine
It is used on device, after starting machine, a little vibration can occur for machine, therefore when bolt uses long, bolt will come loose even
It is detached from, thus can cause important influence to the normal operation of machine.
Traditional bolt due to shape criteria, can be dismantled by conventional tool, but meet some spies
The case where different assembly and installation, needs to carry out locking after assembling, and does not allow arbitrarily to dismantle, in this way, traditional bolt by
It easy to disassemble is unable to utilize in its.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of bolt with anti-loose anti-theft function is proposed.
To achieve the above object, the invention proposes a kind of bolts with anti-loose anti-theft function, including screw body, compression
Body, fixed mechanism, cylindrical body, the first drive portion, turns cap, is the second drive portion, cyclic annular anti-lift-off, gasket, first close fixing groove
Seal, the second sealing ring, utricule and storage groove, the rear end of the screw body are equipped with fastening body, the rear end one of the fastening body
Cylindrical body is formed, integrally formed with the first drive portion, the cross section of first drive portion is positive for the rear end of the cylindrical body
Square configuration, the diameter of the cylindrical body is equal with the side length of the first drive portion, and the second band is equipped in the front end for turning cap
Dynamic portion is equipped with slidable first drive portion in second drive portion, and the front end circumferential surface for turning cap is equipped with cyclic annular anti-
Lift-off, the rear end of the fastening body are equipped with for turning the fixing groove of the front end of cap insertion, are inserted into and fix when the front end for turning cap
After slot, fixed mechanism is fixed in fixing groove, cyclic annular anti-lift-off is stopped, gasket is arranged in the screw body, it is described
The rear end of gasket is equipped with storage groove, and the front end of the fastening body is inserted into storage groove, is passed through between the fastening body and storage groove
First sealing ring seals, and is placed with utricule in the storage groove in the front of the fastening body, viscose, institute are stored in the utricule
The front end for stating gasket is equipped with the second sealing ring, and the front end of the gasket is equipped in the second sealing ring several to be connected to storage groove
Through-hole.
Preferably, being equipped with the first cyclic annular mounting groove in the rear end of the storage groove, set in the described first cyclic annular mounting groove
There is the first sealing ring, the internal diameter of first sealing ring is less than the diameter of fastening body.
Preferably, the front end of the gasket is equipped with the second cyclic annular mounting groove, the is equipped in the described second cyclic annular mounting groove
Two sealing rings.
Preferably, the cap that turns is that rear end circumferential surface is equipped with the cylindrical body for turning portion and back-end closure, it is described to twist
The external wall cross-section in dynamic portion is positive polygonal shape.
Preferably, the fixed mechanism includes ring bodies, several grooves and several flexible clamp pieces, the ring bodies it is outer
Circumferential surface is equipped with equally distributed groove, is equipped with flexible clamp piece in the groove, the inner wall of the fixing groove is equipped with and elastic card
The cyclic annular card slot that part matches.
Preferably, the outer diameter of the ring bodies is equal with the outer diameter of fixing groove, the ring bodies, which is set in, turns cap
It is non-to turn in portion.
Preferably, the flexible clamp piece includes fixed part and clamping portion, the fixed part fixation is located in groove, described
The upper end of fixed part is equipped with the clamping portion that is obliquely installed, the high-end opening beyond groove of the clamping portion, the clamping portion
Opening of the low side without departing from groove.
Preferably, four angles of first drive portion change into arc angle.
Preferably, the front inner wall for turning cap is formed with the connector matched with the second drive portion, the company
The cross section of interface is square shape.
Beneficial effects of the present invention: the present invention turns hatband by rotation and moves the rotation of the second drive portion, and the second drive portion is logical
It crosses the first drive portion and drives cylindrical body rotation, cylindrical body drives screw body rotation by fastening body, after the completion of tightening, to being pushed forward
Dynamic ring bodies is moved into fixing groove, and ring bodies turns cap by cyclic annular anti-lift-off drive and travels forward, after ring bodies
It holds concordant with the rear end of fixing groove, at this point, the high-end of clamping portion is located in ring-type card slot, prevents from turning cap sliding backward, and the
Two drive portions also completely disengage the first drive portion, when rotation turns cap, the second drive portion can only be driven to dally, realize antitheft function
Energy；Utricule is racked by fastening body, the intracorporal viscose of capsule flows into storage groove, and then portion adhesive liquid enters pad by through-hole
The front end face of piece bonds gasket and fixing piece, and gasket and fastening body bond, and avoids bolt looseness caused by vibration, and existing
Technology is compared, and can effectively prevent bolt looseness caused by vibration, and have anti-theft function.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of schematic cross-sectional view of the bolt with anti-loose anti-theft function of the present invention；
Fig. 2 is a kind of partial side elevation view of the bolt with anti-loose anti-theft function of the present invention.
In figure: 1- screw body, 2- fastening body, 3- fixing groove, 4- fixed mechanism, 5- cylindrical body, the first drive portion of 6-, 7- are twisted
The cyclic annular anti-lift-off of dynamic cap, the second drive portion of 8-, 9-, 10- ring-type card slot, 11- turn portion, 12- connector, 13- through-hole, 14- the
Two cyclic annular mounting grooves, 15- gasket, the first sealing ring of 16-, the second sealing ring of 17-, 18- utricule, 19- storage groove, the first ring of 20-
Shape mounting groove, 41- ring bodies, 42- groove, 43- flexible clamp piece, 431- fixed part, the clamping portion 432-.
[specific embodiment]
Refering to fig. 1,2, a kind of bolt with anti-loose anti-theft function of the present invention, including screw body 1, fastening body 2, fixing groove
3, fixed mechanism 4, cylindrical body 5, the first drive portion 6, to turn cap 7, the second drive portion 8, cyclic annular anti-lift-off 9, gasket 15, first close
The rear end of seal 16, the second sealing ring 17, utricule 18 and storage groove 19, the screw body 1 is equipped with fastening body 2, the fastening body 2
Rear end integrally formed with cylindrical body 5, the rear end of the cylindrical body 5 is integrally formed with the first drive portion 6, first drive portion
6 cross section is square shape, the diameter of the cylindrical body 5 is equal with the side length of the first drive portion 6, the cap 7 that turns
It is equipped with the second drive portion 8 in front end, is equipped with slidable first drive portion 6 in second drive portion 8, it is described to turn cap 7
Front end circumferential surface be equipped with cyclic annular anti-lift-off 9, the rear end of the fastening body 2 is equipped with to turn the fixing groove of the front end of cap 7 insertion
3, after fixing groove 3 are inserted into the front end for turning cap 7, fixed mechanism 4 are fixed in fixing groove 3, cyclic annular anti-lift-off 9 is hindered
It keeps off, gasket 15 is arranged in the screw body 1, the rear end of the gasket 15 is equipped with storage groove 19, and the front end of the fastening body 2 is inserted
Enter in storage groove 19, is sealed between the fastening body 2 and storage groove 19 by the first sealing ring 16, the front of the fastening body 2
Storage groove 19 in be placed with utricule 18, be stored with viscose in the utricule 18, it is close that the front end of the gasket 15 is equipped with second
Seal 17, the front end of the gasket 15 is equipped with several through-holes 13 being connected to storage groove 19 in the second sealing ring 17, described to deposit
It puts and is equipped with the first cyclic annular mounting groove 20 in the rear end of slot 19, be equipped with the first sealing ring 16, institute in the described first cyclic annular mounting groove 20
The internal diameter for stating the first sealing ring 16 is less than the diameter of fastening body 2, and the front end of the gasket 15 is equipped with the second cyclic annular mounting groove 14, institute
It states and is equipped with the second sealing ring 17 in the second cyclic annular mounting groove 14, the cap 7 that turns is that rear end circumferential surface is equipped with and turns portion 11 and rear end
Closed cylinder body, the external wall cross-section for turning portion 11 are positive polygonal shape, and the fixed mechanism 4 includes ring-type
Body 41, several grooves 42 and several flexible clamp pieces 43, the outer peripheral surface of the ring bodies 41 is equipped with equally distributed groove 42, described
Flexible clamp piece 43 is equipped in groove 42, the inner wall of the fixing groove 3 is equipped with the cyclic annular card slot 10 matched with flexible clamp piece 43,
The outer diameter of the ring bodies 41 is equal with the outer diameter of fixing groove 3, and the ring bodies 41, which is set in, to be turned the non-of cap 7 and turn portion 11
On, the flexible clamp piece 43 includes fixed part 431 and clamping portion 432, and the fixation of fixed part 431 is located in groove 42, described
The upper end of fixed part 431 is equipped with the clamping portion 432 being obliquely installed, the high-end opening beyond groove 42 of the clamping portion 432, institute
Opening of the low side without departing from groove 42 of clamping portion 432 is stated, four angles of first drive portion 6 change into arc angle, described to twist
The front inner wall of dynamic cap 7 is formed with the connector 12 matched with the second drive portion 8, and the cross section of the connector 12 is pros
Shape shape.
The course of work of the present invention:
A kind of bolt with anti-loose anti-theft function of the present invention during the work time, turns cap 7 by spanner rotation and drives
The rotation of second drive portion 8, the second drive portion 8 drive cylindrical body 5 to rotate by the first drive portion 6, and cylindrical body 5 passes through fastening body 2
It drives screw body 1 to rotate, after the completion of tightening, pushes ring bodies 41 to move into fixing groove 3 forward, ring bodies 41 passes through ring-type
The anti-drive of lift-off 9 turns cap 7 and travels forward, until the rear end of ring bodies 41 is concordant with the rear end of fixing groove 3, at this point, clamping portion
432 high-end is located in cyclic annular card slot 10, prevents from turning cap 7 sliding backward, and the second drive portion 8 also completely disengages the first drive
Portion 6 when rotation turns cap 7, can only drive the second drive portion 8 to dally.
During ring bodies 41 enters fixing groove 3,3 inner wall of fixing groove can force clamping portion 432 completely into groove
In 42, when the rear end of clamping portion 432 is run at cyclic annular card slot 10, clamping portion 432 is restored under the elastic reaction of itself
Heeling condition is inserted into cyclic annular card slot 10.
During fastening, fastening body 2 travels forward with mobile gasket 15, is close to the second sealing ring 17 by fastener,
At this point, gasket 15 cannot continue to move together with fastening body 2, and fastening body 2 moves forward and squeezes utricule 18
Until the viscose in rupture, utricule 18 flows into storage groove 19, before then portion adhesive liquid enters gasket 15 by through-hole 13
End face, after the completion of fastening, the front end of gasket 15 is pressed in by fastener, and the front end of fastening body 2 is contradicted before storage groove 19
On end, gasket 15 and fixing piece are bonded, and gasket 15 and fastening body 2 bond.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (9)
1. a kind of bolt with anti-loose anti-theft function, it is characterised in that: including screw body (1), fastening body (2), fixing groove
(3), fixed mechanism (4), cylindrical body (5), the first drive portion (6), turn cap (7), the second drive portion (8), cyclic annular anti-lift-off
(9), gasket (15), the first sealing ring (16), the second sealing ring (17), utricule (18) and storage groove (19), the screw body (1)
Rear end be equipped with fastening body (2), the rear end of the fastening body (2) is integrally formed with cylindrical body (5), after the cylindrical body (5)
Integrally formed with the first drive portion (6), the cross section of first drive portion (6) is square shape, the cylindrical body (5) at end
Diameter it is equal with the side length of the first drive portion (6), be equipped with the second drive portion (8) in the front end for turning cap (7), described the
Slidable first drive portion (6) is equipped in two drive portions (8), the front end circumferential surface for turning cap (7) is equipped with cyclic annular anticreep
Body (9), the rear end of the fastening body (2) are equipped with for turning the fixing groove (3) of the front end of cap (7) insertion, when turning cap (7)
After fixing groove (3) are inserted into front end, fixed mechanism (4) are fixed in fixing groove (3), cyclic annular anti-lift-off (9) is stopped, institute
It states and is arranged on screw body (1) gasket (15), the rear end of the gasket (15) is equipped with storage groove (19), the fastening body (2)
Front end is inserted into storage groove (19), is sealed between the fastening body (2) and storage groove (19) by the first sealing ring (16), described
It is placed with utricule (18) in the storage groove (19) in the front of fastening body (2), is stored with viscose, the pad in the utricule (18)
The front end of piece (15) is equipped with the second sealing ring (17), the front end of the gasket (15) be equipped in the second sealing ring (17) it is several with
The through-hole (13) of storage groove (19) connection.
2. a kind of bolt with anti-loose anti-theft function as described in claim 1, it is characterised in that: the storage groove (19)
It is equipped with the first cyclic annular mounting groove (20) in rear end, is equipped with the first sealing ring (16) in the described first cyclic annular mounting groove (20), it is described
The internal diameter of first sealing ring (16) is less than the diameter of fastening body (2).
3. a kind of bolt with anti-loose anti-theft function as described in claim 1, it is characterised in that: before the gasket (15)
End is equipped with the second cyclic annular mounting groove (14), is equipped with the second sealing ring (17) in the described second cyclic annular mounting groove (14).
4. a kind of bolt with anti-loose anti-theft function as described in claim 1, it is characterised in that: the cap (7) that turns is
Rear end circumferential surface is equipped with the cylindrical body for turning portion (11) and back-end closure, and the external wall cross-section for turning portion (11) is positive more
Side shape shape.
5. a kind of bolt with anti-loose anti-theft function as described in claim 1, it is characterised in that: the fixed mechanism (4)
Including ring bodies (41), several grooves (42) and several flexible clamp pieces (43), the outer peripheral surface of the ring bodies (41) is equipped with uniform
The groove (42) of distribution, the groove (42) is interior to be equipped with flexible clamp piece (43), and the inner wall of the fixing groove (3) is equipped with and elasticity
The cyclic annular card slot (10) that fastener (43) matches.
6. a kind of bolt with anti-loose anti-theft function as claimed in claim 5, it is characterised in that: the ring bodies (41)
Outer diameter is equal with the outer diameter of fixing groove (3), and the ring bodies (41), which is set in, to be turned the non-of cap (7) and turn on portion (11).
7. a kind of bolt with anti-loose anti-theft function as claimed in claim 5, it is characterised in that: the flexible clamp piece (43)
Including fixed part (431) and clamping portion (432), the fixed part (431) is fixed to be located in groove (42), the fixed part
(431) upper end is equipped with the clamping portion (432) that is obliquely installed, the high-end opening beyond groove (42) of the clamping portion (432),
Opening of the low side of the clamping portion (432) without departing from groove (42).
8. a kind of bolt with anti-loose anti-theft function as described in claim 1, it is characterised in that: first drive portion
(6) four angles change into arc angle.
9. such as a kind of bolt with anti-loose anti-theft function described in any item of the claim 1 to 8, it is characterised in that: described
The front inner wall for turning cap (7) is formed with the connector (12) matched with the second drive portion (8), the cross of the connector (12)
Section is square shape.
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 true CN109340244A (en) | 2019-02-15 |
| CN109340244B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118220A (en) * | 2019-06-10 | 2019-08-13 | 浙江盛世瑞金紧固件有限公司 | A kind of freeway guardrail check bolt |
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 |
-
2018
- 2018-12-07 CN CN201811500274.1A patent/CN109340244B/en active Active
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| 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 |
|---|
| 赵蕴懿;李金萍;: "螺钉装配及防松技术", 航天制造技术, no. 05, pages 45 - 47 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118220A (en) * | 2019-06-10 | 2019-08-13 | 浙江盛世瑞金紧固件有限公司 | A kind of freeway guardrail check bolt |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109340244B (en) | 2023-11-21 |
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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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