CN109372874B - Eccentric slotted flange nut - Google Patents
Eccentric slotted flange nut Download PDFInfo
- Publication number
- CN109372874B CN109372874B CN201811560307.1A CN201811560307A CN109372874B CN 109372874 B CN109372874 B CN 109372874B CN 201811560307 A CN201811560307 A CN 201811560307A CN 109372874 B CN109372874 B CN 109372874B
- Authority
- CN
- China
- Prior art keywords
- driving
- eccentric shaft
- nut body
- driving screw
- hexagonal nut
- 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.)
- Active
Links
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- F16B37/00—Nuts or like thread-engaging members
-
- 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
Abstract
The invention provides an eccentric shaft type slotted flange nut which comprises a hexagonal nut body, a flange pad, a cutting groove, a driving hole and a driving screw, wherein the side wall of the hexagonal nut body is provided with the cutting groove, the hexagonal nut body comprises a fastening part and an eccentric shaft part, the cutting groove is positioned between the fastening part and the eccentric shaft part, the eccentric shaft part is provided with the driving hole, the driving screw is arranged in the driving hole, the axis of the eccentric shaft part is deviated under the action of the driving screw, the flange pad is arranged below the hexagonal nut body, the cutting groove is formed in the side wall of the hexagonal nut body, the original threads are deformed to generate extrusion force on a bolt, the friction force between the two can be increased, the locking can be effectively prevented, and the eccentric shaft part is controlled to deviate by additionally arranging the driving screw, so that the locking and locking purposes are achieved.
Description
[ field of technology ]
The invention relates to the technical field of fasteners, in particular to an off-axis slotted flange nut.
[ background Art ]
The flange nut and the common hexagonal nut are basically the same in size as the screw thread, but are integrated with the washer and the nut compared with the hexagonal nut, and the anti-slip insection is arranged below the flange nut, so that the surface area contact between the nut and a workpiece is increased, and compared with the combination of the common nut and the washer, the flange nut is firmer and higher in tension, and the flange nut is easy to loose and fall off due to higher possibility of impact vibration of the nut arranged outdoors, so that the eccentric slotted flange nut is provided.
[ invention ]
The invention aims to solve the problems in the prior art, and provides an off-axis slotted flange nut which can effectively solve the problems of loosening and slipping under the condition of vibration.
In order to achieve the above purpose, the invention provides an off-axis slotted flange nut which comprises a hexagonal nut body, a flange pad, a cutting groove, a driving hole and a driving screw, wherein the side wall of the hexagonal nut body is provided with the cutting groove, the hexagonal nut body comprises a fastening part and an off-axis part, the cutting groove is positioned between the fastening part and the off-axis part, the off-axis part is provided with the driving hole, the driving screw is arranged in the driving hole, the axis of the off-axis part is deviated under the action of the driving screw, and the flange pad is arranged below the hexagonal nut body.
Preferably, the thickness of the slot is half of the thickness of the eccentric shaft portion, and the thickness of the fastening portion is 4-6 times of the thickness of the eccentric shaft portion.
Preferably, the angle of the arc at the superposition position of the section of the cutting groove and the inner hole of the hexagonal nut body is 240 degrees.
Preferably, the inner wall of the driving hole is provided with an internal thread, the top of the driving hole is provided with an inverted conical guide-in surface, and the axis of the driving hole is parallel to the axis of the hexagonal nut body.
Preferably, the top of the driving screw is provided with a concave driving groove, the section shape of the concave driving groove is a regular pentagon, and the length of the driving screw is 2 times of the thickness of the eccentric shaft portion.
Preferably, anti-slip teeth are arranged on the lower end face of the flange pad, and the anti-slip teeth are distributed in a circumferential matrix.
The invention has the beneficial effects that: according to the invention, the hexagonal nut body, the flange gasket, the cutting groove, the driving hole, the driving screw and the like are combined together for use, the cutting groove is formed in the side wall of the hexagonal nut body, so that the original threads deform to generate extrusion force on the bolt, the friction force between the hexagonal nut body and the flange gasket can be increased, the locking can be effectively realized, and the deflection of the eccentric part is controlled by additionally arranging the driving screw, so that the locking and locking purpose is achieved.
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 an off-axis slotted flange nut of the present invention;
FIG. 2 is a schematic illustration of an off-axis slotted flange nut of the present invention;
FIG. 3 is a partial top view schematic illustration of an off-axis slotted flange nut of the present invention.
[ detailed description ] of the invention
Referring to fig. 1 to 3, the present invention is an off-axis slotted flange nut, which is characterized in that: including the hexagon nut body 1, flange pad 2, grooving 3, drive hole 4 and drive screw 5, grooving 3 has been seted up to the lateral wall of the hexagon nut body 1, the hexagon nut body 1 includes fastening portion 11 and off-axis portion 12, grooving 3 is located between fastening portion 11 and the off-axis portion 12, it has to establish drive hole 4 to open on the off-axis portion 12, drive screw 5 installs in drive hole 4, and the axis of off-axis portion 12 takes place the skew under drive screw 5's effect, the below of the hexagon nut body 1 is equipped with flange pad 2. The thickness of the cutting groove 3 is half of the thickness of the eccentric shaft portion 12, and the thickness of the fastening portion 11 is 4-6 times of the thickness of the eccentric shaft portion 12. The angle of the arc at the superposition position of the section of the cutting groove 3 and the inner hole of the hexagonal nut body 1 is 240 degrees. The inner wall of the driving hole 4 is provided with an internal thread, the top of the driving hole 4 is provided with an inverted conical lead-in surface 41, and the axis of the driving hole 4 is parallel to the axis of the hexagonal nut body 1. The top of the driving screw 5 is provided with a concave driving groove 51, the section of the concave driving groove 51 is regular pentagon, and the length of the driving screw 5 is 2 times of the thickness of the eccentric shaft portion 12. The lower end face of the flange pad 2 is provided with anti-slip teeth 21, and the anti-slip teeth 21 are distributed in a circumferential matrix.
The working process of the invention comprises the following steps:
the working principle of the eccentric shaft type slotted flange nut is as follows: through combining the hexagonal nut body, the flange pad, the grooving, the driving hole and the driving screw rod, etc. and using together, through opening the grooving 3 at the lateral wall of the hexagonal nut body 1, can make original screw thread take place deformation and produce the extrusion force to the bolt, can increase frictional force between the two, can effectually be locking to offset through addding driving screw 5 control eccentric part 12, and can't be with the nut unscrewing, reach locking purpose, in addition because the indent driving groove 51 in the driving screw 5 adopts regular pentagonal structure, must adopt specific pentagonal spanner to demolish driving screw, just can dismantle the nut, consequently have certain theftproof effect.
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 (3)
1. An off-axis slotted flange nut, characterized in that: the novel nut comprises a hexagonal nut body (1), a flange pad (2), a cutting groove (3), a driving hole (4) and a driving screw (5), wherein the cutting groove (3) is formed in the side wall of the hexagonal nut body (1), the hexagonal nut body (1) comprises a fastening part (11) and an eccentric shaft part (12), the cutting groove (3) is positioned between the fastening part (11) and the eccentric shaft part (12), the eccentric shaft part (12) is provided with the driving hole (4), the driving screw (5) is installed in the driving hole (4), the axis of the eccentric shaft part (12) is deviated under the action of the driving screw (5), the flange pad (2) is arranged below the hexagonal nut body (1), the inner wall of the driving hole (4) is provided with an internal thread, the top of the driving hole (4) is provided with an inverted conical guide-in surface (41), the axis of the driving hole (4) is parallel to the axis of the hexagonal nut (1), the top of the driving screw (5) is provided with an inner concave driving groove (51), the inner concave groove (51) is formed in the top of the driving screw (5), the thickness of the driving screw (5) is half the thickness of the driving screw (12) of the driving screw (3), the thickness of the fastening part (11) is 4-6 times of the thickness of the eccentric shaft part (12).
2. An off-axis slotted flange nut as defined in claim 1, wherein: the angle of the arc at the superposition position of the section of the cutting groove (3) and the inner hole of the hexagonal nut body (1) is 240 degrees.
3. An off-axis slotted flange nut as defined in claim 1, wherein: the anti-skid flange is characterized in that anti-skid teeth (21) are arranged on the lower end face of the flange pad (2), and the anti-skid teeth (21) are distributed in a circumferential matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560307.1A CN109372874B (en) | 2018-12-20 | 2018-12-20 | Eccentric slotted flange nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560307.1A CN109372874B (en) | 2018-12-20 | 2018-12-20 | Eccentric slotted flange nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109372874A CN109372874A (en) | 2019-02-22 |
| CN109372874B true CN109372874B (en) | 2024-02-06 |
Family
ID=65370856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811560307.1A Active CN109372874B (en) | 2018-12-20 | 2018-12-20 | Eccentric slotted flange nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109372874B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237315A (en) * | 2019-12-30 | 2020-06-05 | 苏州国嘉记忆合金有限公司 | Shape memory alloy eccentric locking device and mounting method thereof |
| CN111622129B (en) * | 2020-06-08 | 2021-08-24 | 浙江万里建设工程有限公司 | Locking anchor bolt and cliff abutment construction method applying same |
| CN113309778A (en) * | 2021-05-26 | 2021-08-27 | 西安理工大学 | Locking device that locking and mechanical locking of nut prestressing force combined together |
| CN113184667A (en) * | 2021-05-26 | 2021-07-30 | 河南大诚机械制造有限公司 | Stopping structure for standard section of construction elevator |
| CN113606237A (en) * | 2021-07-27 | 2021-11-05 | 燕山大学 | Slotted nut structure and nut anti-loosening method adopting screw jacking |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980064299U (en) * | 1997-04-28 | 1998-11-25 | 김광우 | Loosening Nut |
| JP2001124174A (en) * | 1999-10-28 | 2001-05-08 | Isel Co Ltd | Feed screw mechanism and nut body used therefor |
| JP2005061442A (en) * | 2003-08-14 | 2005-03-10 | Tadaharu Miyata | Hexagonal nut with flange and bolt nut |
| JP2008002647A (en) * | 2006-06-26 | 2008-01-10 | Shin Caterpillar Mitsubishi Ltd | Locknut |
| CN203979087U (en) * | 2014-07-10 | 2014-12-03 | 瑞安市友邦标准件有限公司 | Flanged surface hexagonal self-locking nut |
| CN204664121U (en) * | 2015-03-26 | 2015-09-23 | 海盐县华昇汽车配件有限公司 | A kind of pressure point formula locking nut |
| CN204878248U (en) * | 2015-08-05 | 2015-12-16 | 王传坤 | Extension hexagonal coupling nut |
| CN207268253U (en) * | 2017-10-24 | 2018-04-24 | 山东九佳紧固件股份有限公司 | Flange nut |
| JP2018084323A (en) * | 2016-11-23 | 2018-05-31 | 良三 太田 | Looseness prevention structure of nut fastened into bolt |
| CN207989502U (en) * | 2017-09-29 | 2018-10-19 | 江苏永亚汽车零部件有限公司 | Variable-pitch hexagonal flange locking nut |
| CN108825631A (en) * | 2018-09-20 | 2018-11-16 | 海盐县华昇汽车配件有限公司 | A kind of locking nut |
| CN108953355A (en) * | 2018-09-20 | 2018-12-07 | 海盐县华昇汽车配件有限公司 | A kind of pressure point formula flange nut |
| CN209324841U (en) * | 2018-12-20 | 2019-08-30 | 浙江安盛汽车零部件有限公司 | A kind of off-axis formula fluting flange nut |
-
2018
- 2018-12-20 CN CN201811560307.1A patent/CN109372874B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980064299U (en) * | 1997-04-28 | 1998-11-25 | 김광우 | Loosening Nut |
| JP2001124174A (en) * | 1999-10-28 | 2001-05-08 | Isel Co Ltd | Feed screw mechanism and nut body used therefor |
| JP2005061442A (en) * | 2003-08-14 | 2005-03-10 | Tadaharu Miyata | Hexagonal nut with flange and bolt nut |
| JP2008002647A (en) * | 2006-06-26 | 2008-01-10 | Shin Caterpillar Mitsubishi Ltd | Locknut |
| CN203979087U (en) * | 2014-07-10 | 2014-12-03 | 瑞安市友邦标准件有限公司 | Flanged surface hexagonal self-locking nut |
| CN204664121U (en) * | 2015-03-26 | 2015-09-23 | 海盐县华昇汽车配件有限公司 | A kind of pressure point formula locking nut |
| CN204878248U (en) * | 2015-08-05 | 2015-12-16 | 王传坤 | Extension hexagonal coupling nut |
| JP2018084323A (en) * | 2016-11-23 | 2018-05-31 | 良三 太田 | Looseness prevention structure of nut fastened into bolt |
| CN207989502U (en) * | 2017-09-29 | 2018-10-19 | 江苏永亚汽车零部件有限公司 | Variable-pitch hexagonal flange locking nut |
| CN207268253U (en) * | 2017-10-24 | 2018-04-24 | 山东九佳紧固件股份有限公司 | Flange nut |
| CN108825631A (en) * | 2018-09-20 | 2018-11-16 | 海盐县华昇汽车配件有限公司 | A kind of locking nut |
| CN108953355A (en) * | 2018-09-20 | 2018-12-07 | 海盐县华昇汽车配件有限公司 | A kind of pressure point formula flange nut |
| CN209324841U (en) * | 2018-12-20 | 2019-08-30 | 浙江安盛汽车零部件有限公司 | A kind of off-axis formula fluting flange nut |
Non-Patent Citations (2)
| Title |
|---|
| An experimental study on the effect of bolt-hole clearance and bolt torque on single-lap, countersunk composite joints;Zhai, YN;《Composite Structures》;第127卷;411-419 * |
| 六角开槽螺母的冷镦工艺优化及数值模拟;张东民;《机械设计与制造》(第3期);191-194 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109372874A (en) | 2019-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109372874B (en) | Eccentric slotted flange nut | |
| US6974289B2 (en) | Pressure flank screw and fastening system therewith | |
| AU708510B2 (en) | Underformed lock nut with slot | |
| CN109268378B (en) | Toothed flange locknut | |
| AU2009239557A1 (en) | Threaded fastener | |
| CN108953355B (en) | Pressure point type flange nut | |
| CN109899368A (en) | A kind of hezagon castle nut with self-locking function | |
| CN109372880B (en) | Anti-loosening thread | |
| CN113294419A (en) | Fastener with open-loop type vibration absorption locking ring | |
| CN210240270U (en) | Self-locking fastener | |
| JP3163716U (en) | Fastening structure for locking nut, bolt and nut | |
| CN206054499U (en) | Stop nut | |
| CN209324841U (en) | A kind of off-axis formula fluting flange nut | |
| CN102305233B (en) | Locknut shim insert combination external member | |
| CN113309777B (en) | Fastener with closed annular shock absorbing locking ring | |
| CN210318125U (en) | Fastening device | |
| CN203051366U (en) | Fastening screw | |
| WO2020228487A1 (en) | Anti-loosening recessed-protruding combination nut | |
| CN210660971U (en) | Anti-loosening locking bolt | |
| CN210318106U (en) | Metal self-locking nut | |
| CN210318131U (en) | Self-tightening bolt or stud and nut fastening device | |
| CN208268209U (en) | Novel double thread compression type Anti-loosening nut | |
| CN112594273A (en) | Eccentric locking cap of transmission tower bolt | |
| CN112780657A (en) | Double-thread anti-loose bolt | |
| CN201428714Y (en) | Half-thread lock screw for toothed inner/outer hexagonal of flange surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |