CN110273912B - Flange nut with retaining function - Google Patents

Flange nut with retaining function Download PDF

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Publication number
CN110273912B
CN110273912B CN201910590105.XA CN201910590105A CN110273912B CN 110273912 B CN110273912 B CN 110273912B CN 201910590105 A CN201910590105 A CN 201910590105A CN 110273912 B CN110273912 B CN 110273912B
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CN
China
Prior art keywords
annular
fixing
nut
seat
groove
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Application number
CN201910590105.XA
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Chinese (zh)
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CN110273912A (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 CN201910590105.XA priority Critical patent/CN110273912B/en
Publication of CN110273912A publication Critical patent/CN110273912A/en
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Publication of CN110273912B publication Critical patent/CN110273912B/en
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    • 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
    • F16B2/00Friction-grip releasable fastenings
    • F16B2/005Means to increase the friction-coefficient
    • 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
    • F16B39/24Locking 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
    • 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

Abstract

The invention discloses a flange nut with a backstop function, which comprises a nut main body, an annular seat, a backstop mechanism and a flange pad, wherein the flange pad is arranged at the front end of the nut main body, the annular seat is arranged at the rear end of the nut main body, the detachable backstop mechanism is arranged in the annular seat, the backstop mechanism comprises a nylon sleeve, a plurality of inserting bodies, a fixed seat, a step hole and a plurality of inserting grooves, the fixed seat is detachably arranged in the annular seat, the step hole is arranged on the fixed seat, the inserting grooves which are uniformly distributed are arranged on the side wall of a large-hole-diameter section of the step hole, and the nylon sleeve is positioned in the large-hole-diameter section of the step hole.

Description

Flange nut with retaining function
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of flange nuts, in particular to the technical field of flange nuts with a backstop function.
[ background of the invention ]
The working principle of the nut is that the nut and the bolt are self-locked by friction force. But the reliability of such self-locking is reduced in dynamic loads. In some important occasions, some anti-loosening measures can be taken to ensure the locking reliability of the nut. The application of the fastener is extensive, and many fasteners are in heavy load, the operational environment of vibration, and the condition that easily appears loosening, once the fastener of some position appears loosening, probably causes serious accident or even endangers life. In the prior art, the nylon sleeve locking type locknut plays a self-locking and anti-loosening role by utilizing the nylon sleeve embedded at the upper end of the nut, the nut cannot ensure the anti-loosening reliability after being disassembled and assembled for many times, and a new nut needs to be replaced again, so that the use cost is increased.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a flange nut with a backstop function, which reduces the use cost.
In order to achieve the purpose, the invention provides a flange nut with a backstop function, which comprises a nut main body, an annular seat, a backstop mechanism and a flange pad, wherein the flange pad is arranged at the front end of the nut main body, the annular seat is arranged at the rear end of the nut main body, the detachable backstop mechanism is arranged in the annular seat, the backstop mechanism comprises a nylon sleeve, a plurality of inserting bodies, a fixed seat, a step hole and a plurality of inserting grooves, the fixed seat is detachably arranged in the annular seat, the step hole is arranged on the fixed seat, the inserting grooves which are uniformly distributed are arranged on the side wall of the large-hole-diameter section of the step hole, the nylon sleeve is positioned in the large-hole-diameter section of the step hole, and the outer ring surface of the nylon sleeve is provided with the inserting bodies which are in one-to-.
Preferably, the outer peripheral surface of the fixing seat is provided with two uniformly distributed shaft bodies, the shaft bodies are sleeved with fixing bodies, the cross sections of the fixing bodies are in an oval shape, and the rear ends of the annular seats are provided with fixing grooves matched with the fixing bodies.
Preferably, the fixing groove is formed of an inlet lateral groove opened rearward and a circular groove communicating with a front end of the inlet lateral groove.
Preferably, the width dimension of the inlet lateral groove is equal to the minor axis dimension of the fixed body, and the diameter dimension of the circular groove is equal to the major axis dimension of the fixed body.
Preferably, the front end of the fixed seat is provided with an annular rubber pad pressed on the nut body.
Preferably, the outer end of the fixing body is provided with a projection.
Preferably, the outer end of the shaft body is provided with a blocking step.
Preferably, the front end of the nut main body is provided with an annular groove, the rear end of the flange pad is provided with an annular connector matched with the annular groove, and the rear end of the annular connector is coated with a graphite layer.
The invention has the beneficial effects that: according to the invention, the fixed seat is detachably arranged in the annular seat, the fixed seat is provided with the step hole, the side wall of the large-aperture section of the step hole is provided with the uniformly distributed inserting grooves, the nylon sleeve is positioned in the large-aperture section of the step hole, and the outer ring surface of the nylon sleeve is provided with the inserting bodies which are in one-to-one correspondence with the inserting grooves and are matched with the inserting grooves, so that the nylon sleeve can be replaced, and the use cost is reduced; the front end of the nut main body is provided with an annular groove, the rear end of the flange pad is provided with an annular connector matched with the annular groove, and the rear end of the annular connector is coated with a graphite layer; make the flange fill up and by the frictional force between the fastener be far greater than the frictional force between flange pad and the nut main part, when screwing up the end stage, the flange pad is difficult to rotate along with the nut main part, avoids the flange pad to rotate and causes by the damage on fastener surface to can select the flange pad of different diameters as required, compare with prior art, can reduce use cost, it is convenient to change, is difficult for causing the damage to the workpiece surface.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural view of a flange nut with a retaining function according to the present invention;
fig. 2 is a partial side view of a flange nut with backstop functionality in accordance with the present invention.
In the figure: 1-nut body, 2-annular seat, 3-backstop mechanism, 4-flange pad, 5-annular groove, 6-annular connector, 31-nylon sleeve, 32-plug body, 33-fixed seat, 34-step hole, 35-plug groove, 36-shaft body, 37-fixed body, 38-fixed groove, 39-annular rubber pad, 310-protrusion, 311-blocking step, 381-inlet transverse groove and 382-circular groove.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the flange nut with the retaining function of the invention comprises a nut main body 1, an annular seat 2, a retaining mechanism 3 and a flange pad 4, wherein the flange pad 4 is arranged at the front end of the nut main body 1, the annular seat 2 is arranged at the rear end of the nut main body 1, the removable retaining mechanism 3 is arranged in the annular seat 2, the retaining mechanism 3 comprises a nylon sleeve 31, a plurality of plug-in bodies 32, a fixed seat 33, a step hole 34 and a plurality of plug-in grooves 35, the fixed seat 33 is detachably arranged in the annular seat 2, the fixed seat 33 is provided with the step hole 34, the side wall of the large-aperture section of the step hole 34 is provided with the plug-in grooves 35 which are uniformly distributed, the nylon sleeve 31 is positioned in the large-aperture section of the step hole 34, the outer ring surface of the nylon sleeve 31 is provided with the plug-in bodies 32 which are corresponding to and matched with the plug-in one-to-one correspondence with the, the shaft bodies 36 are all sleeved with fixing bodies 37, the cross sections of the fixing bodies 37 are in an oval shape, the rear end of the ring-shaped seat 2 is provided with a fixing groove 38 matched with the fixing body 37, the fixing groove 38 is composed of an inlet transverse groove 381 with a backward opening and a circular groove 382 communicated with the front end of the inlet transverse groove 381, the width dimension of the inlet lateral groove 381 is equal to the minor axis dimension of the fixed body 37, the diameter dimension of the circular groove 382 is equal to the major axis dimension of the fixed body 37, the front end of the fixed seat 33 is provided with an annular rubber pad 39 pressed on the nut body 1, the outer end of the fixed body 37 is provided with a bulge 310, the outer end of the shaft body 36 is provided with a stopping step 311, the front end of the nut body 1 is provided with an annular groove 5, the rear end of the flange pad 4 is provided with an annular connector 6 matched with the annular groove 5, and the rear end of the annular connector 6 is coated with a graphite layer.
The working process of the invention is as follows:
in the working process of the flange nut with the backstop function, when the nylon sleeve 31 needs to be replaced, the fixing body 37 is rotated by 90 degrees to enable the long axis of the fixing body 37 to be in a horizontal state, then the fixing base 33 is pulled backwards to be detached, then the nylon sleeve 31 in the stepped hole 34 is taken out and placed into a new nylon sleeve 31, then the fixing base 33 is placed into the annular base 2, in the process, the fixing body 37 enters the circular groove 382 through the inlet transverse groove 381, and then the fixing body 37 is rotated by 90 degrees to enable the long axis of the fixing body 37 to be in a vertical state.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (3)

1. The utility model provides a take flange nut of stopping function which characterized in that: the nut with the detachable retaining mechanism comprises a nut main body (1), an annular seat (2), a retaining mechanism (3) and a flange pad (4), wherein the flange pad (4) is arranged at the front end of the nut main body (1), the annular seat (2) is arranged at the rear end of the nut main body (1), the detachable retaining mechanism (3) is arranged in the annular seat (2), the retaining mechanism (3) comprises a nylon sleeve (31), a plurality of inserting bodies (32), a fixed seat (33), a step hole (34) and a plurality of inserting grooves (35), the fixed seat (33) is detachably arranged in the annular seat (2), the step hole (34) is arranged on the fixed seat (33), the inserting grooves (35) which are uniformly distributed are formed in the side wall of the large-hole section of the step hole (34), the nylon sleeve (31) is positioned in the large-hole section of the step hole (34), the inserting bodies (32) which are in one-to-one correspondence with the inserting grooves (35) and are matched with the inserting bodies (32) are arranged on, the outer peripheral face of the fixing seat (33) is provided with two evenly distributed shaft bodies (36), the shaft bodies (36) are sleeved with fixing bodies (37), the cross section of each fixing body (37) is in an oval shape, the rear end of the annular seat (2) is provided with a fixing groove (38) matched with the fixing body (37), the fixing groove (38) is composed of an inlet transverse groove (381) with an opening facing backwards and a circular groove (382) communicated with the front end of the inlet transverse groove (381), the width of the inlet transverse groove (381) is equal to the minor axis of the fixing body (37), the diameter of the circular groove (382) is equal to the major axis of the fixing body (37), the front end of the fixing seat (33) is provided with an annular rubber pad (39) pressed on the nut main body (1), the front end of the nut main body (1) is provided with an annular groove (5), the rear end of the flange pad (4) is provided with an annular connecting body (6) matched with the annular groove (5), the rear end of the annular connecting body (6) is coated with a graphite layer.
2. The flange nut with the retaining function as claimed in claim 1, wherein: the outer end of the fixing body (37) is provided with a bulge (310).
3. The flange nut with the retaining function as claimed in claim 1, wherein: the outer end of the shaft body (36) is provided with a blocking step (311).
CN201910590105.XA 2019-07-02 2019-07-02 Flange nut with retaining function Active CN110273912B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910590105.XA CN110273912B (en) 2019-07-02 2019-07-02 Flange nut with retaining function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910590105.XA CN110273912B (en) 2019-07-02 2019-07-02 Flange nut with retaining function

Publications (2)

Publication Number Publication Date
CN110273912A CN110273912A (en) 2019-09-24
CN110273912B true CN110273912B (en) 2021-04-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910590105.XA Active CN110273912B (en) 2019-07-02 2019-07-02 Flange nut with retaining function

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CN (1) CN110273912B (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2596157Y (en) * 2002-10-28 2003-12-31 上海煤气表具股份有限公司 Backing-stop non-reverse connector between gas meter and pipeline
CN201636186U (en) * 2009-12-17 2010-11-17 李�远 Improved retained locknut
CN206555257U (en) * 2017-02-24 2017-10-13 瑞安市友邦标准件有限公司 Flange face band step nut
CN107299932A (en) * 2017-08-04 2017-10-27 海盐联众紧固件有限公司 A kind of automobile Combined locknut
CN207539158U (en) * 2017-09-04 2018-06-26 浙江乾泰机车部件有限公司 nut with locking positioning device
FR3073020B1 (en) * 2017-10-26 2019-11-08 Psa Automobiles Sa SELF-ADAPTING NUT AND MOTOR VEHICLE HAVING SUCH NUT
CN208951079U (en) * 2018-09-20 2019-06-07 海盐县华昇汽车配件有限公司 A kind of nylon locking 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

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Publication number Publication date
CN110273912A (en) 2019-09-24

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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.

GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Flange nut with stop function

Effective date of registration: 20211216

Granted publication date: 20210423

Pledgee: Xitangqiao sub branch of Zhejiang Haiyan Rural Commercial Bank Co.,Ltd.

Pledgor: Haiyan Huasheng Auto Parts Technology Co.,Ltd.

Registration number: Y2021330002567