CN108953355B - Pressure point type flange nut - Google Patents

Pressure point type flange nut Download PDF

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Publication number
CN108953355B
CN108953355B CN201811118613.XA CN201811118613A CN108953355B CN 108953355 B CN108953355 B CN 108953355B CN 201811118613 A CN201811118613 A CN 201811118613A CN 108953355 B CN108953355 B CN 108953355B
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CN
China
Prior art keywords
pressure point
shell fragment
nut body
adjusting screw
grooves
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
Application number
CN201811118613.XA
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Chinese (zh)
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CN108953355A (en
Inventor
褚华林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haiyan Huasheng Auto Parts Technology Co ltd
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Haiyan Huasheng Auto Parts Technology Co ltd
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Application filed by Haiyan Huasheng Auto Parts Technology Co ltd filed Critical Haiyan Huasheng Auto Parts Technology Co ltd
Priority to CN201811118613.XA priority Critical patent/CN108953355B/en
Publication of CN108953355A publication Critical patent/CN108953355A/en
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Publication of CN108953355B publication Critical patent/CN108953355B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28Locking 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
    • F16B39/284Locking by means of elastic deformation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00Nuts or like thread-engaging members
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

Abstract

The invention discloses a pressure point type flange nut which comprises a hexagonal nut body, pressure point grooves, a flange pad, an adjusting screw and anti-loosening elastic pieces, wherein a plurality of pressure point grooves are formed in the upper end face of the hexagonal nut body, a central threaded hole is formed in the middle line of the hexagonal nut body, the lower end face of the hexagonal nut body is connected with the flange pad, a plurality of containing grooves are formed in the lower end face of the flange pad, the anti-loosening elastic pieces are arranged in the containing grooves, the adjusting screw is arranged on the side wall of the hexagonal nut body, the adjusting screw is matched with the anti-loosening elastic pieces, an arc-shaped elastic piece is arranged below the anti-loosening elastic pieces, and the anti-loosening nut can be reliably locked.

Description

Pressure point type flange nut
[ field of technology ]
The invention relates to the technical field of fasteners, in particular to a pressure point type flange nut.
[ background Art ]
The flange face lock nut is widely applied to work occasions where different workpieces are connected with each other, even if the flange end face of the flange face lock nut is provided with the retaining teeth, the retaining locking effect cannot be achieved due to poor contact between the retaining teeth and the fastening end face, so that the locking effect of the flange face lock nut in the prior art is poor when the flange face lock nut is applied to the fastening occasions where the fastening end face is uneven, and certain unreliability exists, and therefore the pressure point type flange nut is provided.
[ invention ]
The invention aims to solve the problems in the prior art, and provides a pressure point type flange nut, which can ensure reliable locking by arranging a plurality of adjustable anti-loosening elastic sheets below a flange pad, is particularly suitable for the situation that the fastening end face is uneven, and is particularly suitable for the situation that the fastening end face is not smooth, and the pressure point groove damages the original tooth shape, so that the screw thread is deformed to generate locking moment, and the problems of loosening and slipping under the condition of vibration can be effectively solved.
In order to achieve the above purpose, the invention provides a pressure point type flange nut which comprises a hexagonal nut body, pressure point grooves, a flange pad, an adjusting screw and an anti-loosening elastic sheet, wherein a plurality of pressure point grooves are formed in the upper end face of the hexagonal nut body, a central threaded hole is formed in the center line of the hexagonal nut body, the lower end face of the hexagonal nut body is connected with the flange pad, a plurality of containing grooves are formed in the lower end face of the flange pad, the anti-loosening elastic sheet is arranged in the containing grooves, the adjusting screw is arranged on the side wall of the hexagonal nut body and is matched with the anti-loosening elastic sheet, and an arc-shaped elastic sheet is arranged below the anti-loosening elastic sheet.
Preferably, the anti-loosening elastic sheet further comprises a mounting part, a connecting part and a driving adjusting part, wherein the mounting part is fixed on the flange pad through the stamping concave part, the connecting part is arranged at the end part of the mounting part, the bent driving adjusting part extends at the end part of the connecting part, the driving adjusting part is obliquely arranged, the included angle between the driving adjusting part and the connecting part is 30-45 degrees, the arc-shaped elastic sheet extends at the end part of the driving adjusting part, and the end part of the adjusting screw abuts against the outer wall of the driving adjusting part.
Preferably, the number of the anti-loosening elastic pieces is 3, the anti-loosening elastic pieces are uniformly distributed circumferentially, a step groove matched with the mounting part is formed in one side of the accommodating groove, and an inclined plane matched with the driving adjusting part is formed in the other side of the accommodating groove.
Preferably, chamfer angles are arranged at two ends of the center threaded hole, a plurality of transverse threaded holes are formed in the side wall of the hexagonal nut body, the adjusting screw is arranged on the transverse threaded holes, and the end parts of the adjusting screw penetrate through the transverse threaded holes and lean against the anti-loose elastic sheets.
Preferably, the pressure point grooves are uniformly distributed, the number of the pressure point grooves is three, the cross section of the pressure point grooves is rectangular, reinforcing grooves are arranged in the pressure point grooves, and the reinforcing grooves are semicircular tables with the upper end faces larger than the lower end faces.
The invention has the beneficial effects that: according to the invention, the hexagonal nut body, the pressing point groove, the flange pad, the adjusting screw, the anti-loosening elastic pieces and the like are combined together for use, and the plurality of adjustable anti-loosening elastic pieces are arranged below the flange pad, so that the anti-loosening elastic pieces can ensure reliable locking, and are particularly suitable for the situation that the fastening end face is uneven and fastened, the pressing point groove breaks the original tooth shape, so that the locking moment is generated by deformation of the threads, and the problems of loosening and slipping under the condition of vibration can be effectively solved.
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 view of a press point flange nut of the present invention;
FIG. 2 is a schematic top view of a press point flange nut of the present invention;
FIG. 3 is an enlarged schematic view of a portion of a construction of a pressure point flange nut of the present invention;
fig. 4 is a schematic cross-sectional view of a locking spring of a pressure point flange nut of the present invention.
[ detailed description ] of the invention
Referring to fig. 1 to 4, the pressure point type flange nut of the present invention is characterized in that: including hexagon nut body 1, pressure point groove 2, flange pad 3, adjusting screw 4 and locking shell fragment 5, a plurality of pressure point groove 2 has been seted up to the up end of hexagon nut body 1, central screw hole 11 has been seted up to the central line department of hexagon nut body 1, the lower terminal surface of hexagon nut body 1 is connected with flange pad 3, a plurality of holding tank 31 has been seted up to the terminal surface under the flange pad 3, locking shell fragment 5 is installed in holding tank 31, adjusting screw 4 installs on the lateral wall of hexagon nut body 1, adjusting screw 4 cooperatees with locking shell fragment 5, arc shell fragment 54 is installed to the below of locking shell fragment 5. The anti-loose elastic sheet 5 further comprises a mounting portion 51, a connecting portion 52 and a driving adjusting portion 53, the mounting portion 51 is fixed on the flange pad 3 through a stamping concave portion 511, the connecting portion 52 is arranged at the end portion of the mounting portion 51, the bent driving adjusting portion 53 extends at the end portion of the connecting portion 52, the driving adjusting portion 53 is obliquely arranged, an included angle between the driving adjusting portion 53 and the connecting portion 52 is 30-45 degrees, an arc-shaped elastic sheet 54 extends at the end portion of the driving adjusting portion 53, and the end portion of the adjusting screw 4 abuts against the outer wall of the driving adjusting portion 53. The number of the anti-loosening elastic pieces 5 is 3, the anti-loosening elastic pieces 5 are uniformly distributed circumferentially, a step groove 32 matched with the mounting part 51 is formed in one side of the accommodating groove 31, and an inclined surface 311 matched with the driving adjusting part 53 is formed in the other side of the accommodating groove 31. The both ends of central screw hole 11 are equipped with chamfer 12, a plurality of horizontal screw hole 13 has been seted up to the lateral wall of hexagon nut body 1, adjusting screw 4 installs on horizontal screw hole 13, the tip of adjusting screw 4 runs through horizontal screw hole 13 and supports and lean on locking shell fragment 5. The pressure point grooves 2 are uniformly distributed, the number of the pressure point grooves 2 is three, the cross section of the pressure point grooves 2 is rectangular, the pressure point grooves 2 are internally provided with reinforcing grooves 21, and the reinforcing grooves 21 are semicircular tables with upper end faces larger than lower end faces.
The working process of the invention comprises the following steps:
the invention relates to a pressure point type flange nut, which has the working principle that: through combining hexagonal nut body, pressure point groove, flange pad, adjusting screw and locking shell fragment etc. and using together, through setting up a plurality of locking shell fragments that can adjust in flange pad's below, owing to locking shell fragment has elasticity, so even fastening terminal surface is uneven, locking shell fragment also can be fine with fastening terminal surface contact, locking shell fragment can play due stopping locking effect, the locking is reliable, and set up the adjusting screw who is used for the drive adjusting part bending of control, can adjust the effort between arc shell fragment and the fastening terminal surface, the special application fastening terminal surface is uneven fastening occasion, the pressure point groove destroys original profile of tooth for the screw thread warp produces locking moment, can effectually solve not hard up, the problem of slippage under the condition of vibration.
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 (2)

1. A pressure point type flange nut which is characterized in that: including hexagon nut body (1), pressure point groove (2), flange pad (3), adjusting screw (4) and locking shell fragment (5), a plurality of pressure point groove (2) have been seted up to the up end of hexagon nut body (1), central screw hole (11) have been seted up to the central line department of hexagon nut body (1), the lower terminal surface of hexagon nut body (1) is connected with flange pad (3), a plurality of holding tank (31) have been seted up to flange pad (3) lower terminal surface, locking shell fragment (5) are installed in holding tank (31), adjusting screw (4) are installed on the lateral wall of hexagon nut body (1), adjusting screw (4) cooperate with locking shell fragment (5), arc shell fragment (54) are installed to the below of locking shell fragment (5), locking shell fragment (5) still include installation department (51), connecting portion (52) and drive adjusting part (53), installation department (51) are fixed on flange pad (3) through punching press concave part (511), the tip of installation department (51) is equipped with connecting portion (52), connecting portion (52) are the drive adjusting part (53) are the contained angle between the drive adjusting part (53) and are the degree of extension (53), the end of drive adjustment portion (53) extends there is arc shell fragment (54), the tip of adjusting screw (4) supports and leans on the outer wall of drive adjustment portion (53), the figure of locking shell fragment (5) is 3, locking shell fragment (5) are even circumference and distribute, one side of holding tank (31) is equipped with ladder groove (32) with installation department (51) matched with, the opposite side of holding tank (31) is equipped with inclined plane (311) with drive adjustment portion (53) looks adaptation, the both ends of central screw hole (11) are equipped with chamfer (12), a plurality of transverse screw hole (13) have been seted up to the lateral wall of hexagon nut body (1), adjusting screw (4) are installed on transverse screw hole (13), the tip of adjusting screw (4) runs through transverse screw hole (13) and supports and leans on locking shell fragment (5).
2. A pressure point flange nut as defined in claim 1, further comprising: the pressure point grooves (2) are uniformly distributed, the number of the pressure point grooves (2) is three, the cross section of the pressure point grooves (2) is rectangular, reinforcing grooves (21) are formed in the pressure point grooves (2), and the reinforcing grooves (21) are semicircular tables with upper end faces larger than lower end faces.
CN201811118613.XA 2018-09-20 2018-09-20 Pressure point type flange nut Active CN108953355B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811118613.XA CN108953355B (en) 2018-09-20 2018-09-20 Pressure point type flange nut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811118613.XA CN108953355B (en) 2018-09-20 2018-09-20 Pressure point type flange nut

Publications (2)

Publication Number Publication Date
CN108953355A CN108953355A (en) 2018-12-07
CN108953355B true CN108953355B (en) 2023-09-29

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109372874B (en) * 2018-12-20 2024-02-06 浙江安盛汽车零部件有限公司 Eccentric slotted flange nut
CN109458389B (en) * 2018-12-20 2023-09-26 浙江安盛汽车零部件有限公司 Nylon lock nut
CN111029872B (en) * 2019-12-19 2021-07-30 武汉航空仪表有限责任公司 Brush pressure adjustment structure
CN111577737A (en) * 2020-05-14 2020-08-25 深圳市易和螺母有限公司 Double-protection nut

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0681828A (en) * 1990-11-28 1994-03-22 Pac Fasteners Sheet metal nut and manufacture thereof
CN201184356Y (en) * 2008-01-28 2009-01-21 常州天合光能有限公司 Locking bolt components of silicon rod wire cutting machine take-up pulley
CN203051436U (en) * 2013-02-27 2013-07-10 陈建宝 Locking nut
CN204591946U (en) * 2015-05-05 2015-08-26 东风商用车有限公司 A kind of lock nut
CN204664120U (en) * 2015-03-26 2015-09-23 海盐县华昇汽车配件有限公司 A kind of flanged surface self-locking nut
CN205371256U (en) * 2016-01-08 2016-07-06 太仓中博铁路紧固件有限公司 Safe self -locking nut
CN205978006U (en) * 2016-08-23 2017-02-22 瑞安市友邦标准件有限公司 Pressure point formula flange face lock nut
CN207470590U (en) * 2017-10-18 2018-06-08 江苏飞跃机泵集团有限公司 A kind of breakaway nut
CN208951092U (en) * 2018-09-20 2019-06-07 海盐县华昇汽车配件有限公司 A kind of pressure point formula flange nut

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0681828A (en) * 1990-11-28 1994-03-22 Pac Fasteners Sheet metal nut and manufacture thereof
CN201184356Y (en) * 2008-01-28 2009-01-21 常州天合光能有限公司 Locking bolt components of silicon rod wire cutting machine take-up pulley
CN203051436U (en) * 2013-02-27 2013-07-10 陈建宝 Locking nut
CN204664120U (en) * 2015-03-26 2015-09-23 海盐县华昇汽车配件有限公司 A kind of flanged surface self-locking nut
CN204591946U (en) * 2015-05-05 2015-08-26 东风商用车有限公司 A kind of lock nut
CN205371256U (en) * 2016-01-08 2016-07-06 太仓中博铁路紧固件有限公司 Safe self -locking nut
CN205978006U (en) * 2016-08-23 2017-02-22 瑞安市友邦标准件有限公司 Pressure point formula flange face lock nut
CN207470590U (en) * 2017-10-18 2018-06-08 江苏飞跃机泵集团有限公司 A kind of breakaway nut
CN208951092U (en) * 2018-09-20 2019-06-07 海盐县华昇汽车配件有限公司 A kind of pressure point formula flange nut

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Publication number Publication date
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Address after: 314300 Shuguang village, Xitangqiao street, Haiyan County, Jiaxing City, Zhejiang Province

Applicant after: Haiyan Huasheng Auto Parts Technology Co.,Ltd.

Address before: 314300 Shuguang village, Xitangqiao street, Haiyan County, Jiaxing City, Zhejiang Province

Applicant before: HAIYAN CHINA AUTO PARTS CO.,LTD.

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