CN110285134B - Detachable self-locking anti-theft nut - Google Patents

Detachable self-locking anti-theft nut Download PDF

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Publication number
CN110285134B
CN110285134B CN201910590481.9A CN201910590481A CN110285134B CN 110285134 B CN110285134 B CN 110285134B CN 201910590481 A CN201910590481 A CN 201910590481A CN 110285134 B CN110285134 B CN 110285134B
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China
Prior art keywords
nut
seat
annular
main body
groove
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CN201910590481.9A
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Chinese (zh)
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CN110285134A (en
Inventor
褚华林
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Haiyan Huasheng Auto Parts Technology Co.,Ltd.
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Haiyan China Auto Parts Co ltd
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Priority to CN201910590481.9A priority Critical patent/CN110285134B/en
Publication of CN110285134A publication Critical patent/CN110285134A/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
    • F16B37/00Nuts or like thread-engaging members
    • 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
    • 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
    • F16B41/00Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
    • F16B41/005Measures against unauthorised operation of bolts, nuts or pins

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Bolts, Nuts, And Washers (AREA)

Abstract

The invention discloses a detachable self-locking anti-theft nut which comprises a nut main body, an annular seat, a retaining mechanism, a flange pad, a nut body, two bolts and two spherical grooves, 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 retaining mechanism is arranged in the annular seat, the retaining 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 formed in the fixed seat, and the inserting grooves which are uniformly distributed are formed in the side wall of a large-hole-diameter section of the step hole.

Description

Detachable self-locking anti-theft nut
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of nuts, in particular to the technical field of detachable self-locking anti-theft nuts.
[ 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.
In addition, in the prior art, the anti-theft nut has a complex structure and cannot be used repeatedly.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a detachable self-locking type anti-theft nut which can reduce the use cost, has a simple structure and can be used repeatedly.
In order to achieve the purpose, the invention provides a detachable self-locking anti-theft nut which comprises a nut main body, an annular seat, a retaining mechanism, a flange pad, a nut body, two bolts and two spherical grooves, wherein the front end of the nut main body is provided with the flange pad, the rear end of the nut main body is provided with the annular seat, the annular seat is internally provided with the detachable retaining mechanism, the retaining 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 fixed seat is provided with the step hole, the side wall of a large-hole-diameter section of the step hole is provided with the inserting grooves which are uniformly distributed, the nylon sleeve is positioned in the large-hole-diameter section of the step hole, the outer ring surface of the nylon sleeve is provided with the inserting bodies which correspond to the inserting grooves one to one another and are matched with the inserting grooves, and be equipped with on the outer peripheral face with nut body matched with external screw thread, the front end upper portion and the lower part of nut main part all are equipped with the connecting seat, the rear end of connecting seat all is equipped with spherical recess, nut body thread connection cover is established in the nut main part, wear to be equipped with threaded connection's bolt on the nut body, two bolts respectively with two spherical recess one-to-one, the front end and the spherical recess of the screw body of bolt cooperate.
Preferably, the nut further comprises a protective sleeve, and the protective sleeve can be sleeved on the nut body.
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; the friction force between the flange pad and the fastened piece is far larger than that between the flange pad and the nut main body, the flange pad is not easy to rotate along with the nut main body in the final screwing stage, the damage to the surface of the fastened piece caused by the rotation of the flange pad is avoided, and the flange pads with different diameters can be selected as required; the nut body is screwed to drive the bolt to rotate, the bolt drives the nut body to rotate through the connecting seat, screwing or unscrewing of the nut body is achieved, after the nut body is screwed, the nut body is integrally dismounted together with the bolt, and at the moment, the nut body cannot be dismounted through an existing dismounting tool.
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 detachable self-locking anti-theft nut of the present invention;
fig. 2 is a partial side view of a detachable self-locking antitheft nut of the present invention.
In the figure: the nut comprises a nut body 1, a ring seat 2, a backstop mechanism 3, a flange pad 4, a ring groove 5, a ring connector 6, a nut body 7, a bolt 8, a spherical groove 9, a connecting seat 10, a protective sleeve 11, a nylon sleeve 31, a nylon connector 32, a fixed seat 33, a stepped hole 34, a plug groove 35, a shaft body 36, a fixed body 37, a fixed groove 38, a ring rubber pad 39, a bulge 310, a barrier step 311, an inlet cross groove 381 and a circular groove 382.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the detachable self-locking anti-theft nut of the invention comprises a nut main body 1, an annular seat 2, a retaining mechanism 3, a flange pad 4, a nut body 7, two bolts 8 and two spherical grooves 9, wherein the front end of the nut main body 1 is provided with the flange pad 4, the rear end of the nut main body 1 is provided with the annular seat 2, the annular seat 2 is internally provided with the detachable retaining mechanism 3, 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 fixed seat 33 is provided with the step hole 34, the side wall of the large-hole diameter section of the step hole 34 is provided with the inserting grooves 35 which are uniformly distributed, the nylon sleeve 31 is positioned in the large-hole section of the step hole 34, the outer ring surface of the nylon sleeve 31 is provided with the inserting bodies 32 which are in one-to-one correspondence and, the cross section of the nut main body 1 is in a ring shape, external threads matched with the nut body 7 are arranged on the outer peripheral surface of the nut main body 1, connecting seats 10 are arranged on the upper portion and the lower portion of the front end of the nut main body 1, spherical grooves 9 are arranged at the rear end of each connecting seat 10, the nut body 7 is connected with the nut main body 1 in a threaded connection mode, bolts 8 in threaded connection penetrate through the nut body 7, the two bolts 8 correspond to the two spherical grooves 9 one by one respectively, the front end of a bolt body of each bolt 8 is matched with the spherical grooves 9, the nut main body further comprises a protecting sleeve 11, the protecting sleeve 11 can be sleeved on the nut body 7, two shaft bodies 36 which are uniformly distributed are arranged on the outer peripheral surface of the fixing seat 33, fixing bodies 37 are sleeved on the shaft bodies 36, the cross sections of the fixing bodies 37 are in an oval shape, and fixing grooves 38 matched with the fixing, the fixed slot 38 comprises the horizontal groove 381 of entry that the opening is towards the back and the circular groove 382 of the front end intercommunication with the horizontal groove 381 of entry, the width dimension of the horizontal groove 381 of entry equals with the minor axis size of the fixed body 37, the diameter dimension of circular groove 382 equals with the major axis size of the fixed body 37, the front end of fixing base 33 is equipped with the annular rubber pad 39 that compresses tightly on nut main body 1, the outer end of the fixed body 37 is equipped with protruding 310, the outer end of axis body 36 is equipped with and blocks step 311, the front end of nut main body 1 is equipped with annular groove 5, the rear end of flange pad 4 is equipped with the annular connector 6 with annular groove 5 matched with, the rear end coating of annular connector 6 has the graphite layer.
The working process of the invention is as follows:
in the working process of the detachable self-locking anti-theft nut, 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.
Clockwise or anticlockwise twist nut body 7 and drive bolt 8 and rotate, bolt 8 drives nut main part 1 through connecting seat 10 and rotates, realizes screwing up or the pine of nut main part 1, treats that nut main part 1 screws up the completion after, unloads nut body 7 together with bolt 8 is whole, at this moment, adopts current extracting tool can't dismantle nut main part 1, then overlaps the lag 11 cover on nut main part 1.
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 (6)

1. The utility model provides a can dismantle from lock theftproof nut which characterized in that: comprises a nut main body (1), an annular seat (2), a stopping mechanism (3), a flange pad (4), a nut body (7), two bolts (8) and two spherical grooves (9), 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 stopping mechanism (3) is arranged in the annular seat (2), the stopping 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) can be detachably arranged in the annular seat (2), the step hole (34) is arranged on the fixed seat (33), the plug-in grooves (35) which are uniformly distributed are arranged on the side wall of the large hole diameter section of the step hole (34), the nylon sleeve (31) is positioned in the large hole diameter section of the step hole (34), the outer ring surface of the nylon sleeve (31) is provided with inserting bodies (32) which correspond to the inserting grooves (35) one by one and are matched with each other, the cross section of the nut main body (1) is in a ring shape, outer threads matched with the nut body (7) are arranged on the outer circumferential surface of the nut main body, the upper portion and the lower portion of the front end of the nut main body (1) are respectively provided with a connecting seat (10), the rear end of each connecting seat (10) is provided with a spherical groove (9), the nut body (7) is in threaded connection with the nut main body (1), the nut body (7) is provided with bolts (8) in threaded connection in a penetrating mode, the two bolts (8) are respectively in one-to-one correspondence with the two spherical grooves (9), the front end of a screw rod body of each bolt (8) is matched with the spherical grooves (9), the outer circumferential surface of the fixing seat (33) is provided with two shaft bodies (36) which are uniformly distributed, the cross section of the fixing body (37) is oval, 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 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 connecting body (6) matched with the annular groove (5), and the rear end of the annular connecting body (6) is coated with a graphite layer.
2. The detachable self-locking antitheft nut of claim 1, characterized in that: the nut protection device is characterized by further comprising a protection sleeve (11), wherein the protection sleeve (11) can be sleeved on the nut body (7).
3. The detachable self-locking antitheft nut of claim 1, characterized in that: the width dimension of the inlet lateral groove 381 is equal to the minor axis dimension of the fixed body 37, and the diameter dimension of the circular groove 382 is equal to the major axis dimension of the fixed body 37.
4. The detachable self-locking antitheft nut of claim 1, characterized in that: the front end of the fixed seat (33) is provided with an annular rubber pad (39) pressed on the nut body (1).
5. The detachable self-locking antitheft nut of claim 1, characterized in that: the outer end of the fixing body (37) is provided with a bulge (310).
6. The detachable self-locking antitheft nut of claim 1, characterized in that: the outer end of the shaft body (36) is provided with a blocking step (311).
CN201910590481.9A 2019-07-02 2019-07-02 Detachable self-locking anti-theft nut Active CN110285134B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910590481.9A CN110285134B (en) 2019-07-02 2019-07-02 Detachable self-locking anti-theft nut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910590481.9A CN110285134B (en) 2019-07-02 2019-07-02 Detachable self-locking anti-theft nut

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CN110285134A CN110285134A (en) 2019-09-27
CN110285134B true CN110285134B (en) 2021-06-15

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112196881A (en) * 2020-10-09 2021-01-08 嘉兴钰丰汽车零部件有限公司 Flange nut

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016191226A (en) * 2015-03-31 2016-11-10 サンコーテクノ株式会社 Structure and method for attaching anchor
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
CN109458389A (en) * 2018-12-20 2019-03-12 浙江安盛汽车零部件有限公司 A kind of nylon locking nut
FR3073020A1 (en) * 2017-10-26 2019-05-03 Psa Automobiles Sa SELF-ADAPTING NUT AND MOTOR VEHICLE HAVING SUCH NUT
CN208951091U (en) * 2018-09-20 2019-06-07 海盐县华昇汽车配件有限公司 A kind of flange nut

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016191226A (en) * 2015-03-31 2016-11-10 サンコーテクノ株式会社 Structure and method for attaching anchor
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
FR3073020A1 (en) * 2017-10-26 2019-05-03 Psa Automobiles Sa SELF-ADAPTING NUT AND MOTOR VEHICLE HAVING SUCH NUT
CN208951091U (en) * 2018-09-20 2019-06-07 海盐县华昇汽车配件有限公司 A kind of flange nut
CN109458389A (en) * 2018-12-20 2019-03-12 浙江安盛汽车零部件有限公司 A kind of nylon locking nut

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

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

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

Patentee before: HAIYAN CHINA AUTO PARTS Co.,Ltd.

CP01 Change in the name or title of a patent holder
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A detachable self-locking anti-theft nut

Effective date of registration: 20211216

Granted publication date: 20210615

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

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

Registration number: Y2021330002567

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