CN111379781A - Self-locking nut and using method thereof - Google Patents
Self-locking nut and using method thereof Download PDFInfo
- Publication number
- CN111379781A CN111379781A CN202010279106.5A CN202010279106A CN111379781A CN 111379781 A CN111379781 A CN 111379781A CN 202010279106 A CN202010279106 A CN 202010279106A CN 111379781 A CN111379781 A CN 111379781A
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- bolt
- lock spring
- clamping end
- locking
- nut
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005381 potential energy Methods 0.000 claims abstract description 8
- 229910000639 Spring steel Inorganic materials 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910001105 martensitic stainless steel Inorganic materials 0.000 claims description 3
- 230000002238 attenuated effect Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- 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
-
- 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
- F16B37/00—Nuts or like thread-engaging members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The invention discloses a self-locking nut and a use method thereof.A lock spring body is arranged in a nut body; the lock spring body comprises a clamping end A, a spiral section and a clamping end B, and the clamping end A and the clamping end B are fixedly connected with two ends of the spiral section respectively; the inner diameter of the lock spring body and the internal thread hole of the nut body are screwed with the external thread of the bolt body of the bolt, and at the moment, the lock spring body has elastic potential energy; when the connecting piece and the connecting piece vibrate, the lock spring body drives the nut body to tightly hold the bolt in a rotating manner by means of the elastic potential energy of the lock spring body to be matched and constantly locked, so that the nut body is prevented from being loosened when connected with the bolt, and the problem that the nut body is loosened and falls off when connected with the bolt in a vibrating dynamic environment is solved; unscrewing the internal thread holes of the lock spring body and the nut body from the bolt until the lock spring body and the nut body are separated; the lock spring body is separated from the bolt in a screwing mode, friction damage does not occur to the lock spring body, the problem that the bolt is damaged by self-locking of the nut and the bolt due to traditional rigid closing is solved, and the locking performance of the lock spring body is not attenuated when the lock spring body is repeatedly disassembled and used.
Description
Technical Field
The invention belongs to the field of connecting fasteners, and relates to a self-locking nut and a use method thereof.
Background
When the nut and the bolt are used for connection, when the components connected with the nut and the bolt are in a static environment, in order to prevent the nut from loosening from the bolt, an elastic gasket is adopted; however, in a dynamic environment with vibration, the elastic gasket cannot prevent the nut from loosening, a self-locking nut needs to be adopted, and even if the internal thread deforms and is in close contact with the external thread of the bolt to form interference, the purpose of loosening prevention and locking is achieved; however, sometimes after the self-locking nut is closed up, the self-locking nut needs to be taken out and installed again due to reasons such as equipment maintenance or assembly dislocation of the self-locking nut, the locking performance of the self-locking nut after first closing up and secondary use after disassembly is greatly attenuated, the requirement on the locking performance cannot be met, the threads of the bolt after first assembly are seriously interfered and damaged during assembly, and the bolt and the nut are in pair, disposable use and high in product maintenance cost.
Disclosure of Invention
In order to solve the technical problem, the invention provides a using method of a self-locking nut.
The invention also provides a self-locking nut.
The invention is realized by the following technical scheme.
The invention provides a using method of a self-locking nut, which comprises the following steps:
firstly, clamping a clamping end A on a lock spring body into a locking groove on a nut body, clamping a clamping end B on the lock spring body into a locking hole on the nut body, and positioning a spiral section of the lock spring body in an upper table hole of the nut body;
secondly, penetrating the bolt body part of the bolt into through holes of a connecting piece A and a connecting piece B to be fastened and connected;
thirdly, screwing the internal diameter of the lock spring body, the internal thread hole of the nut body and the external thread of the bolt body of the bolt, wherein the lock spring body has elastic potential energy; the inner diameter of the lock spring body is tightly and spirally attached to the inner diameter of the external thread of the bolt, or the upper surface and the lower surface of the inner diameter of the lock spring body are tightly and spirally attached to the upper surface and the lower surface of the inner diameter of the external thread of the bolt;
and step four, when the bolt is required to be separated from the nut body, unscrewing the internal thread holes of the lock spring body and the nut body from the bolt until the lock spring body and the nut body are separated.
The invention also provides a self-locking nut, which comprises: the lock spring body is arranged in the nut body;
the lock spring body comprises a clamping end A, a spiral section and a clamping end B, and the clamping end A and the clamping end B are fixedly connected with two ends of the spiral section respectively;
the nut body is provided with an upper platform hole and an internal thread hole, the diameter of the upper platform hole is larger than that of the internal thread hole, and a through hole capable of penetrating through the screwing bolt is formed in the nut body after the upper platform hole is communicated with the internal thread hole;
the thread pitch of the spiral section is the same as that of the internal thread hole matched bolt;
the spiral section is installed in the upper table hole, and the clamping end A and the clamping end B are respectively and fixedly connected with the inner wall of the upper table hole at intervals.
The inner diameter of the lock spring body and the internal thread hole of the nut body are screwed with the external thread of the bolt body of the bolt; the lock spring body is tightly and spirally attached to the external thread of the bolt; when vibration occurs between the connecting piece A and the connecting piece B, the vibration is transmitted to the lock spring body from the bolt, the vibration enables the lock spring body to deform to generate elastic force, the bolt is forced to be pressed in the nut body to be screwed, looseness of the nut body and the bolt connection is avoided, the problem that the nut body and the bolt connection are loosened and fall off in a vibrating dynamic environment is solved, and self-locking connection of the nut body and the bolt is achieved.
The upper hole section of the nut body is respectively provided with a locking groove and a locking hole for installing a clamping end A and a clamping end B, the clamping end A and the clamping end B can be conveniently and quickly clamped into the locking groove and the locking hole, and the clamping end A and the clamping end B are respectively and fixedly connected with the inner wall of the upper hole at intervals; the installation time is reduced.
The central line of the locking groove and the central line of the locking hole are respectively connected with the connecting point of the spiral section and the circle center of the inner diameter of the spiral section, the clamp angle α in horizontal projection is 85-95 degrees, and the stability of the locking force of the bolt after the lock spring body is installed in the nut body is ensured.
The clamping end A, the spiral section and the clamping end B are integrated, the cross sections of the clamping end A, the spiral section and the clamping end B are all circular sections, the diameters of the circles are the same, and the maximum diameter of each circle is four times of the pitch of the matched bolt.
The clamping end A is in clearance fit with the locking groove; the clamping end B is in clearance fit with the locking hole; be convenient for with card end A, the downthehole dismouting of card end B follow locking groove, locking, for interference fit, when using, card end A, card end B can not appear wearing and tearing with locking groove, locking hole and warp, lead to damaging.
The locking groove is a circular through groove; the locking hole is a circular through hole, when the clamping end A and the clamping end B deform slightly, the deformation amount can be released on the locking groove and the locking hole, and meanwhile, when the clamping end A and the clamping end B wear slightly, impurities can be discharged from the other ends of the locking groove and the locking hole, so that the impurities can be cleaned conveniently.
The nut body is made of alloy steel or martensitic stainless steel.
Any one of the carbon spring steel wire or the alloy spring steel wire of the lock spring body is used for meeting the requirements of disassembly and repeated use.
The inner diameter of the upper table hole is larger than the outer diameter of the spiral section, so that the outer diameter of the spiral section of the lock spring body is not in contact with the inner wall of the upper table hole, when the lock spring body is compressed by a vibrating bolt, the outer diameter deformation of the lock spring body is filled in a gap between the outer diameter of the spiral section and the inner wall of the upper table hole, the friction loss between the outer diameter of the spiral section and the inner wall of the upper table hole is avoided, and the service life of the lock spring body is prolonged.
The invention has the beneficial effects that: because the inner diameter of the lock spring body and the internal thread hole of the nut body are screwed with the external thread of the bolt body of the bolt, the lock spring body has elastic potential energy at the moment; when the connecting piece and the connecting piece vibrate, the lock spring body drives the nut body to tightly and rotatably hold the bolt by means of the elastic potential energy of the lock spring body to be matched and constantly locked, so that the phenomenon that the nut body is loosened when connected with the bolt is avoided, the problem that the nut body is loosened and falls off when connected with the bolt in a vibrating dynamic environment is solved, and the self-locking connection of the nut body and the bolt is realized; unscrewing the internal thread holes of the lock spring body and the nut body from the bolt until the lock spring body and the nut body are separated; the lock spring body is not subjected to friction damage due to the fact that the lock spring body is screwed and separated from the bolt, the problem that the bolt is damaged by self-locking of the nut and the bolt due to the traditional rigid closing-in is solved, and the locking performance of the lock spring body is not attenuated when the lock spring body is repeatedly disassembled and used; and then, between two parts needing to be fastened and connected, the inner diameter of the lock spring body and the internal thread hole of the nut body are used again to be screwed with the external thread of the bolt body of the bolt, and the nut body and the bolt still realize stable self-locking connection under the action of the lock spring body. The problems that the locking performance of the existing closed self-locking nut after being disassembled is greatly attenuated in secondary use and the thread of the bolt is damaged and cannot be reused are solved, and the use cost and the product maintenance cost are reduced.
Drawings
FIG. 1 is a schematic sectional front view of the present invention in use;
FIG. 2 is a schematic sectional front view of the nut body of the present invention;
FIG. 3 is a schematic top cross-sectional view of the nut body of the present invention;
FIG. 4 is a schematic view of the bolt body of the present invention in a front view configuration;
FIG. 5 is a schematic top view of the bolt body of the present invention;
fig. 6 is a schematic sectional top view of the nut body and the bolt body in a state of being engaged according to the present invention.
In the figure: 1-connector a; 2-connecting piece B; 3-a bolt; 41-nut body; 411-a locking slot; 412-a locking hole; 413-upper stage hole; 414-internal thread hole; 42-a lock spring body; 421-card end A; 422-a spiral section; 423-card end B.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
See fig. 1-6.
The invention relates to a self-locking nut, which comprises: the lock spring body 42 and the nut body 41, the lock spring body 42 is installed in the nut body 41;
the lock spring body 42 comprises a clamping end A421, a spiral section 422 and a clamping end B423, and the clamping end A421 and the clamping end B423 are respectively fixedly connected with two ends of the spiral section 422;
the nut body 41 is provided with an upper platform hole 413 and an internal thread hole 414, the diameter of the upper platform hole 413 is larger than that of the internal thread hole 414, and a through hole capable of penetrating through a screwing bolt is formed in the nut body 41 after the upper platform hole 413 is communicated with the internal thread hole 414;
the thread pitch of the spiral section 422 is the same as that of the internal thread hole 414 matched with the bolt;
the spiral section 422 is installed in the upper hole 413, and the clamping end A421 and the clamping end B423 are respectively and fixedly connected with the inner wall of the upper hole 413 in a welding mode at intervals.
The working principle is as follows: the internal diameter of the lock spring body 42 and the internal thread hole 414 of the nut body 41 are screwed with the external thread of the bolt body of the bolt 3; the lock spring body 42 is tightly and spirally attached to the external thread of the bolt 3; when vibration occurs between the connecting piece A1 and the connecting piece B2, the vibration is transmitted to the lock spring body 42 from the bolt 3, the vibration enables the lock spring body 42 to deform to generate elastic force, the bolt 3 is forced to be pressed in the nut body 41 to be screwed, the nut body 41 is prevented from being connected with the bolt 3 to be loosened, the problem that the nut body 41 is connected with the bolt 3 in a vibrating dynamic environment to be loosened and fall off is solved, and self-locking connection of the nut body 41 and the bolt 3 is achieved.
A locking groove 411 for installing a clamping end A421 and a clamping end B423 and a locking hole 412 are respectively arranged on the section of the upper table hole 413 of the nut body 41, the clamping end A421 and the clamping end B423 are conveniently and quickly clamped into the locking groove 411 and the locking hole 412, and the clamping end A421 and the clamping end B423 are respectively and fixedly connected with the inner wall of the upper table hole 413 at intervals; the installation time is reduced.
The connection points of the central line of the locking groove 411 and the central line of the locking hole 412 and the spiral section 422 are respectively connected to the connecting line of the inner diameter circle center of the spiral section 422, the clamp angle α of the horizontal projection is 85-95 degrees, and the stability of the locking force of the bolt 3 after the locking spring body 42 is installed in the nut body 41 is ensured.
The clamping end A421, the spiral section 422 and the clamping end B423 are integrated, the cross sections of the clamping end A421, the spiral section 422 and the clamping end B423 are all circular sections, the diameters of circles are the same, and the maximum diameter of the circle is four times of the thread pitch of a matched bolt.
The clearance between the clamping end A421 and the locking groove 411 is 0.2-1 mm; the clamping end B423 is matched with the locking hole 412 with a clearance of 0.2-1 mm; the clamping end A421 and the clamping end B423 can be conveniently dismounted from the locking groove 411 and the locking hole 412, and compared with interference fit, when the clamping device is used, the clamping end A421 and the clamping end B423 cannot be abraded and deformed with the locking groove 411 and the locking hole 412, and damage is caused.
The locking slot 411 is a circular through slot; the locking hole 412 is a circular through hole, when the clamping end A421 and the clamping end B423 deform slightly, the deformation amount can be released on the locking groove 411 and the locking hole 412, and meanwhile, when the clamping end A421 and the clamping end B423 wear slightly, impurities can be discharged from the other ends of the locking groove 411 and the locking hole 412, so that the impurities can be cleaned conveniently.
The nut body 41 is made of alloy steel or martensitic stainless steel.
The anti-fatigue strength of any one of the carbon spring steel wire or the alloy spring steel wire of the lock spring body 42 needs to meet more than 1000 times; so as to meet the requirements of disassembly and repeated use.
The inner diameter of the upper platform hole 413 is larger than the outer diameter of the spiral section 422, so that the outer diameter of the spiral section 422 of the lock spring body 42 is not in contact with the inner wall of the upper platform hole 413, when the vibrating bolt 3 enables the lock spring body 42 to be compressed, the outer diameter deformation of the lock spring body 42 is filled in a gap between the outer diameter of the spiral section 422 and the inner wall of the upper platform hole 413, friction loss between the outer diameter of the spiral section 423 and the inner wall of the upper platform hole 413 is avoided, and the service life of the lock spring body 42 is prolonged.
The invention discloses a using method of a self-locking nut, which comprises the following steps:
step one, a clamping end A421 of the lock spring body 42 is clamped into a locking groove 411 of the nut body 41, a clamping end B423 of the lock spring body 42 is clamped into a locking hole 412 of the nut body 41, and a spiral section 422 of the lock spring body 42 is positioned in an upper platform hole 413 of the nut body 41;
secondly, the bolt body part of the bolt 3 penetrates through holes of a connecting piece A1 and a connecting piece B2 to be fastened and connected;
thirdly, the inner diameter of the lock spring body 42, the internal thread hole 414 of the nut body 41 and the external thread of the bolt body of the bolt 3 are screwed, and at the moment, elastic potential energy exists in the lock spring body 42; the inner diameter of the lock spring body 42 is tightly and spirally attached to the inner diameter of the external thread of the bolt 3, or the upper and lower surfaces of the inner diameter of the lock spring body 42 are tightly and spirally attached to the upper and lower surfaces of the inner diameter of the external thread of the bolt 3;
when the connecting piece A1 and the connecting piece B2 vibrate with each other, the lock spring body 42 drives the nut body 41 to tightly and rotatably hold the bolt 3 to be matched and constantly locked by means of elastic potential energy of the lock spring body, so that the phenomenon that the nut body 41 is connected with the bolt 3 to be loosened is avoided, the problem that the nut body 41 is connected with the bolt 3 to be loosened and fall off in a vibrating dynamic environment is solved, and the self-locking connection of the nut body 41 and the bolt 3 is realized;
step four, when the bolt 3 needs to be separated from the nut body 41, the internal thread holes 414 of the lock spring body 42 and the nut body 41 are unscrewed from the bolt 3 until separation is achieved; the lock spring body 42 is rotationally combined with and separated from the bolt 3, so that the lock spring body 42 is not subjected to friction damage, the problem of damage to the bolt due to self-locking of a nut and the bolt by the traditional rigid closing-in method is solved, and the lock spring body 42 is repeatedly disassembled and used, and the locking performance is not attenuated; then, the two components to be fastened and connected are screwed with the bolt body external thread of the bolt 3 by using the inner diameter of the lock spring body 42 and the internal thread hole 414 of the nut body 41 again, and the nut body 41 and the bolt 3 are still stably connected in a self-locking way under the action of the lock spring body 42. The problems that the locking performance of the existing closed self-locking nut after being disassembled is greatly attenuated in secondary use and the thread of the bolt is damaged and cannot be reused are solved, and the use cost and the product maintenance cost are reduced.
Claims (10)
1. The use method of the self-locking nut is characterized by comprising the following steps:
firstly, clamping an end A (421) on a lock spring body (42) into a locking groove (411) on a nut body (41), clamping an end B (423) on the lock spring body (42) into a locking hole (412) on the nut body (41), and positioning a spiral section (422) of the lock spring body (42) in an upper platform hole (413) of the nut body (41);
secondly, penetrating the bolt body part of the bolt (3) into through holes of a connecting piece A (1) and a connecting piece B (2) to be fastened and connected;
thirdly, the inner diameter of the lock spring body (42), the internal thread hole (414) of the nut body (41) and the external thread of the bolt body of the bolt (3) are screwed, and at the moment, elastic potential energy exists in the lock spring body (42); the lock spring body (42) is tightly and spirally attached to the external thread of the bolt (3);
and fourthly, when the bolt (3) needs to be separated from the nut body (41), loosening the internal thread hole (414) of the lock spring body (42) and the nut body (41) and the bolt (3) to be separated.
2. A self-locking nut, characterized in that, it comprises a lock spring body (42) and a nut body (41) in claim 1, the lock spring body (42) is installed in the nut body (41);
the lock spring body (42) comprises a clamping end A (421), a spiral section (422) and a clamping end B (423), and the clamping end A (421) and the clamping end B (423) are fixedly connected with the two ends of the spiral section (422) respectively;
the nut body (41) is provided with an upper platform hole (413) and an internal thread hole (414), the diameter of the upper platform hole (413) is larger than that of the internal thread hole (414), and the upper platform hole (413) is communicated with the internal thread hole (414) to form a through hole capable of penetrating through a screwing bolt on the nut body (41);
the thread pitch of the spiral section (422) is the same as that of the internal thread hole (414) matched bolt;
the spiral section (422) is installed in the upper table hole (413), and the clamping end A (421) and the clamping end B (423) are respectively and fixedly connected with the inner wall of the upper table hole (413) at intervals.
3. The self-locking nut of claim 2, wherein: the section of an upper platform hole (413) of the nut body (41) is provided with a locking groove (411) and a locking hole (412) for installing a clamping end A (421) and a clamping end B (423) respectively, the clamping end A (421) and the clamping end B (423) are correspondingly clamped into the locking groove (411) and the locking hole (412) respectively, and the clamping end A (421) and the clamping end B (423) are fixedly connected with the inner wall of the upper platform hole (413) at intervals respectively.
4. The self-locking nut of claim 3, wherein the connection points of the central line of the locking slot (411) and the central line of the locking hole (412) and the spiral section (422) are respectively connected to the connecting line of the circle center of the inner diameter of the spiral section (422), and the clamp angle α in horizontal projection is 85-95 degrees.
5. The self-locking nut of claim 3, wherein: the clamping end A (421) is in clearance fit with the locking groove (411); the clamping end B (423) is in clearance fit with the locking hole (412).
6. The self-locking nut of claim 3 and method of use thereof, wherein: the locking groove (411) is a circular through groove; the locking hole (412) is a circular through hole, when the clamping end A (421) and the clamping end B (423) deform slightly, the deformation amount can be released on the locking groove (411) and the locking hole (412), and meanwhile, when the clamping end A (421) and the clamping end B (423) wear slightly, impurities can be discharged from the other ends of the locking groove (411) and the locking hole (412).
7. The self-locking nut of claim 2, wherein: the nut body (41) is made of alloy steel or martensitic stainless steel.
8. The self-locking nut of claim 2 and method of use thereof, wherein: the lock spring body (42) is made of any one of carbon spring steel wires or alloy spring steel wires.
9. The self-locking nut of claim 2 and method of use thereof, wherein: the inner diameter of the upper platform hole (413) is larger than the outer diameter of the spiral section (422), so that the outer diameter of the spiral section (422) of the lock spring body (42) is not in contact with the inner wall of the upper platform hole (413).
10. The self-locking nut of claim 2, wherein: the clamping end A (421), the spiral section (422) and the clamping end B (423) are integrated, the cross sections of the clamping end A, the spiral section and the clamping end B are circular sections, the diameters of circles are the same, and the maximum diameter of the circle is four times of the thread pitch of a matched bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010279106.5A CN111379781B (en) | 2020-04-10 | 2020-04-10 | Application method of self-locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010279106.5A CN111379781B (en) | 2020-04-10 | 2020-04-10 | Application method of self-locking nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111379781A true CN111379781A (en) | 2020-07-07 |
| CN111379781B CN111379781B (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010279106.5A Active CN111379781B (en) | 2020-04-10 | 2020-04-10 | Application method of self-locking nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111379781B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US900589A (en) * | 1907-12-18 | 1908-10-06 | Charles E Ratcliffe | Nut-lock. |
| US1179446A (en) * | 1915-09-14 | 1916-04-18 | Carl A Fettig | Nut-lock. |
| CN101360924A (en) * | 2006-12-07 | 2009-02-04 | 动力雷克斯株式会社 | Anti-loose lock nut |
| CN103644190A (en) * | 2013-12-26 | 2014-03-19 | 霍永久 | Anti-loose and anti-theft nut |
| CN205841448U (en) * | 2016-07-16 | 2016-12-28 | 温州市康华液压有限公司 | Stop nut and retention device |
| CN108266448A (en) * | 2018-04-09 | 2018-07-10 | 四川艾尔诺航空金属器材有限公司 | A kind of band self-retaining spring self-lock nut |
| CN108302111A (en) * | 2017-01-13 | 2018-07-20 | 深圳市艺精工五金弹簧有限公司 | A kind of lasting stop nut structure |
| CN109695620A (en) * | 2017-10-24 | 2019-04-30 | 艺精工国际技术创新（深圳）有限公司 | A kind of antivibration locking spring nut structure |
| CN209800516U (en) * | 2019-03-18 | 2019-12-17 | 中铁第一勘察设计院集团有限公司 | Accurate moment control type locknut |
-
2020
- 2020-04-10 CN CN202010279106.5A patent/CN111379781B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US900589A (en) * | 1907-12-18 | 1908-10-06 | Charles E Ratcliffe | Nut-lock. |
| US1179446A (en) * | 1915-09-14 | 1916-04-18 | Carl A Fettig | Nut-lock. |
| CN101360924A (en) * | 2006-12-07 | 2009-02-04 | 动力雷克斯株式会社 | Anti-loose lock nut |
| CN103644190A (en) * | 2013-12-26 | 2014-03-19 | 霍永久 | Anti-loose and anti-theft nut |
| CN205841448U (en) * | 2016-07-16 | 2016-12-28 | 温州市康华液压有限公司 | Stop nut and retention device |
| CN108302111A (en) * | 2017-01-13 | 2018-07-20 | 深圳市艺精工五金弹簧有限公司 | A kind of lasting stop nut structure |
| CN109695620A (en) * | 2017-10-24 | 2019-04-30 | 艺精工国际技术创新（深圳）有限公司 | A kind of antivibration locking spring nut structure |
| CN108266448A (en) * | 2018-04-09 | 2018-07-10 | 四川艾尔诺航空金属器材有限公司 | A kind of band self-retaining spring self-lock nut |
| CN209800516U (en) * | 2019-03-18 | 2019-12-17 | 中铁第一勘察设计院集团有限公司 | Accurate moment control type locknut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111379781B (en) | 2022-04-19 |
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