CN113586579A - Combined type check bolt - Google Patents
Combined type check bolt Download PDFInfo
- Publication number
- CN113586579A CN113586579A CN202110896676.3A CN202110896676A CN113586579A CN 113586579 A CN113586579 A CN 113586579A CN 202110896676 A CN202110896676 A CN 202110896676A CN 113586579 A CN113586579 A CN 113586579A
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- China
- Prior art keywords
- bolt
- slip
- wall
- main
- main bolt
- 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.)
- Pending
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- 230000000694 effects Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 description 10
- 101700004678 SLIT3 Proteins 0.000 description 5
- 102100027339 Slit homolog 3 protein Human genes 0.000 description 5
- 238000010146 3D printing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
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- 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
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- 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/023—Locking of screws, bolts or nuts in which the locking takes place after screwing down by driving a conic or wedge-shaped expander through the threaded element
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- 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
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- 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
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention discloses a combined type anti-loosening bolt which comprises a main bolt, wherein a first bolt head is arranged at the upper end of the main bolt; the first external thread is arranged on the outer wall of the main bolt and far away from the first bolt head, and a slit is formed in the inner wall of the first external thread. According to the invention, the second anti-loosening washer and the first anti-loosening washer are arranged to be matched with the first anti-loosening tooth, the second anti-loosening tooth and the third anti-loosening tooth, so that friction force can be increased between a main bolt and a fixed piece, and between an auxiliary bolt and the main bolt, different rotation directions are arranged through the first anti-loosening tooth, the second anti-loosening tooth and the third anti-loosening tooth, when the main bolt is in a vibration state, vibration torque can be transmitted to the tightening force of the main bolt and the auxiliary bolt, through the cross-shaped slit arranged on the main bolt, the frustum of the cone is matched with the conical hole, the first external thread of the main bolt at the slit is outwards spread, an expansion and extrusion effect is achieved, and the anti-loosening performance between the main bolt and the fixed piece, and between the auxiliary bolt and the main bolt is enhanced.
Description
Technical Field
The invention relates to the technical field of bolts, in particular to a combined type anti-loose bolt formed by 3D printing of metal.
Background
The bolt is the most common and most common part for fastening in various equipment, and the connection of a common screw and a nut has self-locking property, so that the bolt cannot be loosened by self under the action of static load and working temperature change, but the connection may be loosened under the action of impact, vibration or variable load and working temperature change, so that the bolt is very critical in some occasions, and once the bolt is loosened and falls off, the equipment can be damaged fatally, and the problem that technicians face the bolt loosening is solved.
The existing anti-loosening bolt structure is generally mechanical anti-loosening, rivet-punch anti-loosening, friction anti-loosening and structure anti-loosening, the traditional friction anti-loosening is based on the friction generated by the pressure after the screw is tightened to play a role in stopping, once the screw is slightly loosened, the pressure is reduced, the friction disappears rapidly and loses the function of stopping, so that the screw is loosened, the mechanical anti-loosening is realized by directly limiting the relative rotation of a locking nut pair by using a locking nut retainer, the finding in practical application shows that the locking nut can only be prevented from falling off and can not be prevented from loosening, the common rivet-punch anti-loosening construction can not be disassembled, the application range is narrow, the structure anti-loosening structure has various theoretical anti-loosening structures, but the anti-loosening structure is limited by the machining capacity and can not be applied to the actual work.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a combined type anti-loose bolt.
In order to achieve the purpose, the invention adopts the following technical scheme: a combined type anti-loose bolt comprises a main bolt, wherein a first bolt head is arranged at the upper end of the main bolt; the first external thread is arranged on the outer wall of the main bolt and is far away from the first bolt head, and a slit is formed in the inner wall of the first external thread; the first anti-slip surface is arranged on the lower surface of the first bolt head and positioned on the outer side of the main bolt; the through hole is arranged on the inner wall of the main bolt and penetrates through the main bolt and the first bolt head along the axial lead of the main bolt; the internal thread is arranged on the inner side wall of the through hole and is far away from the first bolt head; the auxiliary bolt is in threaded connection with the inner wall of the main bolt, a second bolt head is arranged at the end part, far away from the main bolt, of the auxiliary bolt, a second external thread is arranged on the outer wall of one end, far away from the second bolt head, of the auxiliary bolt, and the second external thread is in threaded connection with the internal thread; the second anti-slip surface is arranged on the lower surface of the second bolt head and is positioned on the outer side of the auxiliary bolt; the outer anti-loose structure is arranged between the lower wall of the first anti-slip surface and the first bolt head and the second bolt head; and the inner anti-loosening structure is arranged between the main bolt and the auxiliary bolt.
As a further description of the above technical solution:
outer anti loosening structure includes first anti-skidding packing ring, second anti-skidding packing ring, two sets of third anti-skidding teeth, first anti-skidding packing ring cover is established at the main bolt outer wall and is located first bolt head below, second anti-skidding packing ring cover is established at vice bolt outer wall and is located between first bolt head and the second bolt head, first anti-skidding packing ring, second anti-skidding packing ring upper wall all are provided with first anti-skidding tooth, first anti-skidding packing ring, second anti-skidding packing ring lower wall all are provided with second anti-skidding tooth, and are two sets of third anti-skidding tooth sets up respectively at first non-skid surface and second non-skid surface lower wall, the third anti-skidding tooth of first non-skid surface lower wall meshes with the second anti-skidding tooth of first anti-skid packing ring upper wall, the third anti-skidding tooth of second non-skid surface lower wall meshes with the second anti-skidding tooth of second non-skid packing ring upper wall.
As a further description of the above technical solution:
the tooth top line profiles of the first anti-slip tooth, the second anti-slip tooth and the third anti-slip tooth are circular array involutes extending along the axis, the tooth top line rotating direction of the first anti-slip tooth is consistent with the screwing rotating direction of the main bolt and the auxiliary bolt, and the tooth top line rotating direction of the second anti-slip tooth and the third anti-slip tooth is opposite to the screwing rotating direction of the main bolt and the auxiliary bolt.
As a further description of the above technical solution:
the inner anti-loosening structure comprises a cone frustum and a cone hole, the cone frustum is arranged at the end part, far away from the second bolt head, of the auxiliary bolt, and the cone hole is arranged at the end part, far away from the first bolt head, of the through hole.
As a further description of the above technical solution:
the external dimensions of the cone frustum and the cone hole are matched.
As a further description of the above technical solution:
the slit is two thin slits arranged vertically and horizontally, and the two thin slits are cross-shaped when viewed from the upward direction of the main bolt.
The invention has the following beneficial effects:
1. compared with the prior art, this combination formula check bolt, set up second lock washer and the first lock washer that sets up between first bolt head and second bolt head and first bolt head downside, cooperation first locking tooth, second locking tooth, third locking tooth, can make the main bolt and by the mounting, increase frictional force between vice bolt and the main bolt, and through the different direction of rotation of first locking tooth and second locking tooth, third locking tooth, when being in the vibration state, can transmit into the main bolt with the vibration moment of torsion, the power of screwing up of vice bolt, greatly increased locking performance.
2. Compared with the prior art, the combined type anti-loosening bolt has the advantages that through the cross-shaped slit formed in the main bolt, after the main bolt is locked with the fixed piece and is screwed into the auxiliary bolt, the cone frustum on the auxiliary bolt is matched with the cone hole, the first external thread of the main bolt located at the slit is outwards propped open, the expansion and extrusion effects are achieved, and the anti-loosening performance between the main bolt and the fixed piece, between the auxiliary bolt and the main bolt is enhanced.
Drawings
FIG. 1 is a schematic view of an overall structure of a combined type check bolt according to the present invention;
fig. 2 is a partial structural schematic view of a main bolt and a first bolt head of a combined type anti-loose bolt provided by the invention;
FIG. 3 is a schematic bottom view of a main bolt structure of a combined lock bolt according to the present invention;
FIG. 4 is a partial sectional view of a main bolt of the combined check bolt according to the present invention;
FIG. 5 is a schematic view of an auxiliary bolt structure of the combined anti-loose bolt according to the present invention;
fig. 6 is a schematic structural view of a first anti-slip washer of the combined lock bolt according to the present invention.
Illustration of the drawings:
1. a main bolt; 2. a first external thread; 3. a slit; 4. a first bolt head; 5. a first anti-slip surface; 6. a first anti-slip washer; 7. a secondary bolt; 8. a second external thread; 9. a truncated cone; 10. a second bolt head; 11. a second anti-slip surface; 12. a second anti-slip washer; 13. a through hole; 14. an internal thread; 15. a conical bore; 16. a first anti-slip tooth; 17. a second anti-slip tooth; 18. and third prevention of sliding teeth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a combined type check bolt: the bolt comprises a main bolt 1, wherein a first bolt head 4 is arranged at the upper end of the main bolt 1; the first external thread 2 is arranged on the outer wall of the main bolt 1 and is far away from the first bolt head 4, and a slit 3 is arranged on the inner wall of the first external thread 2; the first anti-slip surface 5 is arranged on the lower surface of the first bolt head 4 and is positioned on the outer side of the main bolt 1; the through hole 13 is arranged on the inner wall of the main bolt 1, and the through hole 13 penetrates through the main bolt 1 and the first bolt head 4 along the axial lead of the main bolt 1; an internal thread 14 provided on the inner side wall of the through hole 13 and away from the first bolt head 4; the auxiliary bolt 7 is in threaded connection with the inner wall of the main bolt 1, a second bolt head 10 is arranged at the end part, far away from the main bolt 1, of the auxiliary bolt 7, a second external thread 8 is arranged on the outer wall of one end, far away from the second bolt head 10, of the auxiliary bolt 7, and the second external thread 8 is in threaded connection with the internal thread 14; a second anti-slip surface 11 arranged on the lower surface of the second bolt head 10 and positioned outside the auxiliary bolt 7; an outer anti-loose structure arranged between the lower wall of the first anti-slip surface 5 and the first bolt head 4 and the second bolt head 10; and an inner anti-loose structure arranged between the main bolt 1 and the auxiliary bolt 7.
The outer anti-loosening structure comprises a first anti-slip washer 6, a second anti-slip washer 12 and two sets of third anti-slip teeth 18, the first anti-slip washer 6 is sleeved on the outer wall of the main bolt 1 and is positioned below the first bolt head 4, the second anti-slip washer 12 is sleeved on the outer wall of the auxiliary bolt 7 and is positioned between the first bolt head 4 and the second bolt head 10, the first anti-slip teeth 16 are arranged on the upper walls of the first anti-slip washer 6 and the second anti-slip washer 12, the second anti-slip teeth 17 are arranged on the lower walls of the first anti-slip washer 6 and the second anti-slip washer 12, the two sets of third anti-slip teeth 18 are respectively arranged on the lower walls of the first anti-slip surface 5 and the second anti-slip surface 11, the third anti-slip teeth 18 on the lower wall of the first anti-slip surface 5 are meshed with the second anti-slip teeth 17 on the upper wall of the first anti-slip washer 6, the third anti-slip teeth 18 on the lower wall of the second anti-slip surface 11 are meshed with the second anti-slip teeth 17 on the upper wall of the second anti-slip washer 12, and the first anti-slip washer 6, The second anti-slip washer 12, the first anti-slip tooth 16, the second anti-slip tooth 17 and the third anti-slip tooth 18 may increase the friction force between the main bolt 1 and the fastened member, and between the sub-bolt 7 and the main bolt 1.
The tooth crest line outlines of the first anti-slip tooth 16, the second anti-slip tooth 17 and the third anti-slip tooth 18 are all circular array involutes extending out along the axis, the tooth crest line rotating direction of the first anti-slip tooth 16 is consistent with the screwing rotating direction of the main bolt 1 and the auxiliary bolt 7, the tooth crest line rotating direction of the second anti-slip tooth 17 and the third anti-slip tooth 18 is opposite to the screwing rotating direction of the main bolt 1 and the auxiliary bolt 7, and the vibration torque generated in the vibration state of the fastened piece can be transmitted into the screwing force of the main bolt 1 and the auxiliary bolt 7 through different screwing directions.
The inner anti-loosening structure comprises a cone frustum 9 and a cone hole 15, the cone frustum 9 is arranged at the end part, far away from the second bolt head 10, of the auxiliary bolt 7, and the cone hole 15 is arranged at the end part, far away from the first bolt head 4, of the through hole 13.
The external dimensions of the cone frustum 9 and the cone hole 15 are matched, when the auxiliary bolt 7 is screwed into the inner wall of the main bolt 1, the cone frustum 9 can expand the first external thread 2 of the main bolt 1 at the cone hole 15 along the slit 3, and the friction force between the main bolt 1 and a fastened piece is increased.
The slit 3 is two thin slits arranged vertically and horizontally, the two thin slits are cross-shaped when viewed from the upward direction of the main bolt 1, and the cross-shaped slit 3 can cause micro deformation when the main bolt 1 is stressed.
The working principle is as follows: the first anti-slip washer 6 is sleeved on the main bolt 1, the main bolt 1 is screwed into a fastened piece and torque required for fastening is applied, the second anti-slip washer 12 is sleeved on the auxiliary bolt 7, the auxiliary bolt 7 is screwed into the inner wall of the main bolt 1 and torque required for fastening is applied, the circular truncated cone 9 can open the first external thread 2 of the main bolt 1 at the position of the circular conical hole 15 along the slit 3, the friction force between the main bolt 1 and the fastened piece is increased, the rotation direction of the addendum line of the first anti-slip tooth 16 is consistent with the screwing rotation direction of the main bolt 1 and the auxiliary bolt 7, the rotation direction of the addendum line of the second anti-slip tooth 17 and the third anti-slip tooth 18 is opposite to the screwing rotation direction of the main bolt 1 and the auxiliary bolt 7, and through different rotation directions, vibration torque generated when the fastened piece is in a vibration state can be transmitted into the screwing force of the main bolt 1 and the auxiliary bolt 7.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a modular check bolt which characterized in that: the bolt comprises a main bolt (1), wherein a first bolt head (4) is arranged at the upper end of the main bolt (1);
the first external thread (2) is arranged on the outer wall of the main bolt (1) and is far away from the first bolt head (4), and a slit (3) is arranged on the inner wall of the first external thread (2);
the first anti-slip surface (5) is arranged on the lower surface of the first bolt head (4) and is positioned on the outer side of the main bolt (1);
the through hole (13) is arranged on the inner wall of the main bolt (1), and the through hole (13) penetrates through the main bolt (1) and the first bolt head (4) along the axial lead of the main bolt (1);
the internal thread (14) is arranged on the inner side wall of the through hole (13) and is far away from the first bolt head (4);
the auxiliary bolt (7) is in threaded connection with the inner wall of the main bolt (1), a second bolt head (10) is arranged at the end part, far away from the main bolt (1), of the auxiliary bolt (7), a second external thread (8) is arranged on the outer wall of one end, far away from the second bolt head (10), of the auxiliary bolt (7), and the second external thread (8) is in threaded connection with the internal thread (14);
a second anti-slip surface (11) arranged on the lower surface of the second bolt head (10) and positioned on the outer side of the auxiliary bolt (7);
the outer anti-loose structure is arranged on the lower wall of the first anti-slip surface (5) and between the first bolt head (4) and the second bolt head (10);
and an inner anti-loosening structure arranged between the main bolt (1) and the auxiliary bolt (7).
2. The combination lock bolt of claim 1, wherein: the outer anti-loosening structure comprises a first anti-slip washer (6), a second anti-slip washer (12) and two sets of third anti-slip teeth (18), the first anti-slip washer (6) is sleeved on the outer wall of the main bolt (1) and is positioned below the first bolt head (4), the second anti-slip washer (12) is sleeved on the outer wall of the auxiliary bolt (7) and is positioned between the first bolt head (4) and the second bolt head (10), the upper walls of the first anti-slip washer (6) and the second anti-slip washer (12) are respectively provided with first anti-slip teeth (16), the lower walls of the first anti-slip washer (6) and the second anti-slip washer (12) are respectively provided with second anti-slip teeth (17), the two sets of the third anti-slip teeth (18) are respectively arranged on the lower wall of the first anti-slip surface (5) and the lower wall of the second anti-slip surface (11), the third anti-slip teeth (18) of the lower wall of the first anti-slip surface (5) are meshed with the second teeth (17) of the upper wall of the first anti-slip washer (6), and third anti-skidding teeth (18) on the lower wall of the second anti-skidding surface (11) are meshed with second anti-skidding teeth (17) on the upper wall of the second anti-skidding gasket (12).
3. The combination lock bolt of claim 2, wherein: first anti-skidding tooth (16), second anti-skidding tooth (17), third anti-skidding tooth (18) addendum line profile are the circular array that stretches out along the axle center and gradually burst at the seams, first anti-skidding tooth (16) addendum line direction of rotation is unanimous with kingbolt (1), vice bolt (7) tightening direction of rotation, second anti-skidding tooth (17), third anti-skidding tooth (18) addendum line direction of rotation is opposite with kingbolt (1), vice bolt (7) tightening direction of rotation.
4. The combination lock bolt of claim 3, wherein: the inner anti-loosening structure comprises a cone frustum (9) and a cone hole (15), the cone frustum (9) is arranged at the end part, far away from the second bolt head (10), of the auxiliary bolt (7), and the cone hole (15) is arranged at the end part, far away from the first bolt head (4), of the through hole (13).
5. The combination lock bolt of claim 4, wherein: the external dimensions of the cone frustum (9) and the cone hole (15) are matched.
6. The combination lock bolt of claim 5, wherein: the slit (3) is two thin slits which are arranged vertically and horizontally, and the two thin slits are cross-shaped when viewed from the upward direction of the main bolt (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110896676.3A CN113586579A (en) | 2021-08-05 | 2021-08-05 | Combined type check bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110896676.3A CN113586579A (en) | 2021-08-05 | 2021-08-05 | Combined type check bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113586579A true CN113586579A (en) | 2021-11-02 |
Family
ID=78255445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110896676.3A Pending CN113586579A (en) | 2021-08-05 | 2021-08-05 | Combined type check bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113586579A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199632A (en) * | 2022-07-27 | 2022-10-18 | 中建八局新型建造工程有限公司 | Single-side positively-installed tensile recoverable bolt and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034788A (en) * | 1975-12-19 | 1977-07-12 | Elco Industries, Inc. | Fastener assembly |
| US5333977A (en) * | 1993-06-14 | 1994-08-02 | Ishion Corporation Co., Ltd. | Bolt having a locking means |
| JPH084742A (en) * | 1994-06-20 | 1996-01-09 | Sumitomo Forestry Co Ltd | Fastening tool |
| JP2000346035A (en) * | 1999-06-01 | 2000-12-12 | Hikomori Ota | Bolt with locking |
| JP2003239925A (en) * | 2002-02-12 | 2003-08-27 | Teruaki Nishioka | Bolt assembly |
| JP2005325948A (en) * | 2004-05-14 | 2005-11-24 | Japan Drive-It Co Ltd | Bolt unit |
| JP2008215466A (en) * | 2007-03-02 | 2008-09-18 | Koichiro Omori | Locking bolt |
| JP2011220387A (en) * | 2010-04-06 | 2011-11-04 | Hamanaka Nut Kk | Screw looseness preventive structure |
| US20120125163A1 (en) * | 2010-11-22 | 2012-05-24 | Unytite Corporation | Fastening Sockets, Washers and Fasteners Used with the Washers and the Fastening Sockets |
| WO2012070272A1 (en) * | 2010-11-25 | 2012-05-31 | 株式会社ハマ・システム | Bolt |
| US20140037399A1 (en) * | 2012-07-31 | 2014-02-06 | Pratt & Whitney | No Flange Damage Wedge Lock Washers |
| CN108533601A (en) * | 2018-04-20 | 2018-09-14 | 梁智 | A kind of self-locking screw |
| CN111749964A (en) * | 2020-05-26 | 2020-10-09 | 浙江斯泰新材料科技股份有限公司 | Detachable rotary-striking rivet bolt |
| CN216044903U (en) * | 2021-08-05 | 2022-03-15 | 浙江意动科技股份有限公司 | Combined type check bolt |
-
2021
- 2021-08-05 CN CN202110896676.3A patent/CN113586579A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4034788A (en) * | 1975-12-19 | 1977-07-12 | Elco Industries, Inc. | Fastener assembly |
| US5333977A (en) * | 1993-06-14 | 1994-08-02 | Ishion Corporation Co., Ltd. | Bolt having a locking means |
| JPH084742A (en) * | 1994-06-20 | 1996-01-09 | Sumitomo Forestry Co Ltd | Fastening tool |
| JP2000346035A (en) * | 1999-06-01 | 2000-12-12 | Hikomori Ota | Bolt with locking |
| JP2003239925A (en) * | 2002-02-12 | 2003-08-27 | Teruaki Nishioka | Bolt assembly |
| JP2005325948A (en) * | 2004-05-14 | 2005-11-24 | Japan Drive-It Co Ltd | Bolt unit |
| JP2008215466A (en) * | 2007-03-02 | 2008-09-18 | Koichiro Omori | Locking bolt |
| JP2011220387A (en) * | 2010-04-06 | 2011-11-04 | Hamanaka Nut Kk | Screw looseness preventive structure |
| US20120125163A1 (en) * | 2010-11-22 | 2012-05-24 | Unytite Corporation | Fastening Sockets, Washers and Fasteners Used with the Washers and the Fastening Sockets |
| WO2012070272A1 (en) * | 2010-11-25 | 2012-05-31 | 株式会社ハマ・システム | Bolt |
| US20140037399A1 (en) * | 2012-07-31 | 2014-02-06 | Pratt & Whitney | No Flange Damage Wedge Lock Washers |
| CN108533601A (en) * | 2018-04-20 | 2018-09-14 | 梁智 | A kind of self-locking screw |
| CN111749964A (en) * | 2020-05-26 | 2020-10-09 | 浙江斯泰新材料科技股份有限公司 | Detachable rotary-striking rivet bolt |
| CN216044903U (en) * | 2021-08-05 | 2022-03-15 | 浙江意动科技股份有限公司 | Combined type check bolt |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199632A (en) * | 2022-07-27 | 2022-10-18 | 中建八局新型建造工程有限公司 | Single-side positively-installed tensile recoverable bolt and construction method thereof |
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Application publication date: 20211102 |