CN109458389B - Nylon lock nut - Google Patents
Nylon lock nut Download PDFInfo
- Publication number
- CN109458389B CN109458389B CN201811560161.0A CN201811560161A CN109458389B CN 109458389 B CN109458389 B CN 109458389B CN 201811560161 A CN201811560161 A CN 201811560161A CN 109458389 B CN109458389 B CN 109458389B
- Authority
- CN
- China
- Prior art keywords
- nut body
- groove
- nylon
- locking
- lock 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
- 239000004677 Nylon Substances 0.000 title claims abstract description 41
- 229920001778 nylon Polymers 0.000 title claims abstract description 41
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 238000012856 packing Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 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
- F16B39/284—Locking by means of elastic deformation
-
- 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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention provides a nylon lock nut, which comprises a lock nut body, a lock sleeve, a drive nut body, a nylon gasket and a compression cover, wherein a limit part is arranged below the lock nut body, the lock sleeve is arranged on the limit part, locking clamps are arranged in the circumferential direction of the lock sleeve, the nylon gasket is arranged on the inner wall of the drive nut body, a first clamping groove is formed in the lower end face of the nylon gasket, a drive part is arranged at the top of the lock nut body, the drive part is an annular body, the drive part is matched with the first clamping groove to control the inner ring of the nylon gasket to shrink inwards in the radial direction, and the compression cover is arranged below the drive nut body and is matched with the locking clamps.
Description
[ field of technology ]
The invention relates to the technical field of fasteners, in particular to a nylon lock 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 stronger in tension, and the nut installed outdoors has higher possibility of impact vibration, poor retaining effect and easy loosening and falling off, and can also cause safety accidents in special application occasions.
[ invention ]
The invention aims to solve the problems in the prior art, and provides a nylon locking nut which is matched with a driving nut body, has a good locking effect and is not easy to loosen.
In order to achieve the above purpose, the invention provides a nylon lock nut, which comprises a lock nut body, a lock sleeve, a drive nut body, a nylon gasket and a compression cover, wherein a limit part is arranged below the lock nut body, the lock sleeve is arranged on the limit part, locking clamps are arranged in the circumferential direction of the lock sleeve, the nylon gasket is arranged on the inner wall of the drive nut body, a first clamping groove is formed in the lower end face of the nylon gasket, a drive part is arranged at the top of the lock nut body, the drive part is an annular body, the drive part is matched with the first clamping groove to control the inner ring of the nylon gasket to shrink inwards in the radial direction, and the compression cover is arranged below the drive nut body and is matched with the locking clamps.
Preferably, the locking nut body further comprises a step limiting part, a mounting groove and a tension spring, the mounting groove is formed in the joint of the locking nut body and the limiting part, the tension spring is arranged in the mounting groove, one end of the tension spring is fixed on the locking nut body, the other end of the tension spring is connected with the locking sleeve, the step limiting part is formed in the lower portion of the limiting part, the step limiting part is circular in cross section, and the limiting part is regular pentagon in cross section.
Preferably, the locking sleeve further comprises a mounting part, a limiting groove and a through hole, the mounting part is mounted below the locking nut body through a tension spring, the cross section of the mounting part is circular, the limiting groove matched with the limiting part is formed in the mounting part, the cross section of the limiting groove is identical to that of the limiting part, the through hole is formed in the center of the limiting groove, the through hole is matched with the stepped limiting part, and the bending locking clamp is uniformly arranged on the circumference of the mounting part.
Preferably, the step mounting groove is formed in the inner wall of the driving nut body, the nylon gasket is clamped in the step mounting groove, the nylon gasket comprises a positioning part and a clamping part, the positioning part is positioned above the clamping part, the outer ring diameter of the clamping part is larger than that of the positioning part, the lower end of the clamping part is fully provided with a first clamping groove, the first clamping groove is a ring groove, and the section of the first clamping groove is trapezoidal.
Preferably, the inner wall of the lower end surface of the compression cover is provided with an arc-shaped driving surface, the axis of the compression cover is coincident with the central line of the driving nut body, and the section shape of the driving nut body is a regular pentagon.
The invention has the beneficial effects that: according to the invention, the locking nut body, the locking sleeve, the driving nut body, the nylon washer, the compression cover and the like are combined together for use, the locking nut is matched with the driving nut body, the locking clamp is controlled to be embedded into the surface of a workpiece through the compression cover, a good locking effect is achieved, the driving part controls the nylon washer to deform, the bolt can be snapped tightly, looseness is not easy to occur, the regular pentagonal driving nut body is adopted, and a special tool is needed for disassembly, so that the anti-theft device has a certain anti-theft property.
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 a nylon lock nut of the present invention;
FIG. 2 is a schematic view of the construction of a lock nut body of a nylon lock nut of the present invention;
FIG. 3 is a schematic cross-sectional view of a locking nut body of a nylon locking nut of the present invention;
FIG. 4 is a schematic view of the drive nut body of a nylon lock nut of the present invention;
FIG. 5 is a schematic cross-sectional view of a drive nut body of a nylon lock nut of the present invention;
fig. 6 is a schematic top view of a locking sleeve of a nylon locking nut of the present invention.
[ detailed description ] of the invention
Referring to fig. 1 to 6, the nylon lock nut of the present invention is characterized in that: including lock nut body 1, lock sleeve 2, drive nut body 3, nylon packing ring 4 and compress tightly cover 5, the below of lock nut body 1 is equipped with spacing portion 12, install lock sleeve 2 on the spacing portion 12, the circumference of lock sleeve 2 all is equipped with locking card 22, nylon packing ring 4 is installed to the inner wall of drive nut body 3, first draw-in groove 421 has been seted up to the lower terminal surface of nylon packing ring 4, the top of lock nut body 1 is equipped with drive portion 11, drive portion 11 is the annular body, drive portion 11 and the radial indent of the inner circle of first draw-in groove 421 cooperation control nylon packing ring 4, the below of drive nut body 3 is equipped with compresses tightly cover 5, compress tightly cover 5 and locking card 22 cooperatees. The locking nut body 1 further comprises a step limiting part 13, a mounting groove 14 and a tension spring 15, the mounting groove 14 is formed in the joint of the locking nut body 1 and the limiting part 12, the tension spring 15 is arranged in the mounting groove 14, one end of the tension spring 15 is fixed on the locking nut body 1, the other end of the tension spring 15 is connected with the locking sleeve 2, the step limiting part 13 is formed in the lower portion of the limiting part 12, the step limiting part 13 is circular in cross section, and the limiting part 12 is regular pentagon in cross section. The locking sleeve 2 further comprises a mounting portion 21, a limiting groove 23 and a through hole 24, the mounting portion 21 is mounted below the locking nut body 1 through a tension spring 15, the cross section of the mounting portion 21 is circular, the limiting groove 23 matched with the limiting portion 12 is formed in the mounting portion 21, the cross section of the limiting groove 23 is identical to that of the limiting portion 12, the through hole 24 is formed in the center of the limiting groove 23, the through hole 24 is matched with the stepped limiting portion 13, and the bent locking cards 22 are uniformly arranged in the circumferential direction of the mounting portion 21. The ladder mounting groove 31 has been seted up to the inner wall of drive nut body 3, nylon packing ring 4 cartridge is in ladder mounting groove 31, nylon packing ring 4 includes location portion 41 and chucking portion 42, location portion 41 is located the top of chucking portion 42, the outer lane diameter of chucking portion 42 is greater than the outer lane diameter of location portion 41, first draw-in groove 421 has been fully seted up to the lower extreme of chucking portion 42, first draw-in groove 421 is the annular, the cross-sectional shape of first draw-in groove 421 is trapezoidal. The inner wall of the lower end face of the compression cover 5 is provided with an arc-shaped driving surface 51, the axis of the compression cover 5 coincides with the central line of the driving nut body 3, and the section of the driving nut body 3 is regular pentagon.
The working process of the invention comprises the following steps:
the working principle of the nylon lock nut of the invention is as follows: during installation, the locking nut body 1 is firstly installed on a bolt, then the driving nut body 3 is installed above the locking nut body 1, the compression cover 5 is adopted to control the locking card 22 to be embedded into the surface of a workpiece, a good locking effect is achieved, the driving part 11 is used to control the nylon gasket 4 to deform, the bolt can be snapped tightly, looseness is not easy to occur, the driving nut body 3 of a regular pentagon is adopted, special tools are needed to detach, and certain antitheft performance is achieved.
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. A nylon lock nut, characterized in that: including lock nut body (1), lock sleeve (2), drive nut body (3), nylon packing ring (4) and compress tightly cover (5), the below of lock nut body (1) is equipped with spacing portion (12), install lock sleeve (2) on spacing portion (12), the circumference of lock sleeve (2) all is equipped with locking card (22), nylon packing ring (4) are installed to the inner wall of drive nut body (3), first draw-in groove (421) have been seted up to the lower terminal surface of nylon packing ring (4), the top of lock nut body (1) is equipped with drive portion (11), drive portion (11) are the annular body, the radial indent of inner circle of drive nut body (4) is controlled with first draw-in groove (421), the below of drive nut body (3) is equipped with compresses tightly cover (5), compress tightly cover (5) and locking card (22) cooperate, lock nut body (1) still includes step spacing portion (13), mounting groove (14) and extension spring (15), the top of lock nut body (1) is equipped with the fixed in the mounting groove (14) of extension spring (14), the utility model discloses a locking device for a bicycle, including pull spring (15), locking sleeve (2), including pull spring (15), clamping part (42), step spacing portion (13) have been seted up to the other end of pull spring (15), step spacing portion (13) have been seted up to the below of spacing portion (12), the cross-sectional shape of step spacing portion (13) is circular, the cross-sectional shape of spacing portion (12) is regular pentagon, ladder mounting groove (31) have been seted up to the inner wall of drive nut body (3), nylon packing ring (4) cartridge is in ladder mounting groove (31), nylon packing ring (4) include location portion (41) and chucking portion (42), location portion (41) are located the top of chucking portion (42), the outer lane diameter of chucking portion (42) is greater than the outer lane diameter of location portion (41), first draw-in groove (421) have been fully seted up to the lower extreme of chucking portion (42), first draw-in groove (421) are the annular, the cross-sectional shape of first draw-in groove (421) is trapezoidal.
2. A nylon lock nut as defined in claim 1 wherein: the locking sleeve (2) further comprises a mounting part (21), a limiting groove (23) and a through hole (24), the mounting part (21) is mounted below the locking nut body (1) through a tension spring (15), the cross section of the mounting part (21) is circular, the limiting groove (23) matched with the limiting part (12) is formed in the mounting part (21), the cross section of the limiting groove (23) is identical to the cross section of the limiting part (12), the through hole (24) is formed in the center of the limiting groove (23), the through hole (24) is matched with the stepped limiting part (13), and the bent locking clamp (22) is uniformly arranged on the circumference of the mounting part (21).
3. A nylon lock nut as defined in claim 1 wherein: the inner wall of the lower end face of the compression cover (5) is provided with an arc-shaped driving surface (51), the axis of the compression cover (5) coincides with the central line of the driving nut body (3), and the section shape of the driving nut body (3) is a regular pentagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560161.0A CN109458389B (en) | 2018-12-20 | 2018-12-20 | Nylon lock nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811560161.0A CN109458389B (en) | 2018-12-20 | 2018-12-20 | Nylon lock nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109458389A CN109458389A (en) | 2019-03-12 |
| CN109458389B true CN109458389B (en) | 2023-09-26 |
Family
ID=65613892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811560161.0A Active CN109458389B (en) | 2018-12-20 | 2018-12-20 | Nylon lock nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109458389B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285134B (en) * | 2019-07-02 | 2021-06-15 | 海盐县华昇汽车配件有限公司 | Detachable self-locking anti-theft nut |
| CN110273912B (en) * | 2019-07-02 | 2021-04-23 | 海盐华昇汽配科技股份有限公司 | Flange nut with retaining function |
| CN110307240B (en) * | 2019-07-02 | 2021-03-05 | 海盐华昇汽配科技股份有限公司 | Convenient to use's locking antitheft nut |
| CN110513385B (en) * | 2019-09-02 | 2021-04-23 | 浙江荣亿精密机械股份有限公司 | Retaining anti-loose combined nut |
| CN112228440B (en) * | 2020-10-09 | 2022-06-10 | 嘉兴钰丰汽车零部件股份有限公司 | Conical nut convenient to dismantle |
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| CN206830611U (en) * | 2017-05-25 | 2018-01-02 | 海盐宇星螺帽有限责任公司 | A kind of stop nut for connecting fastening |
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| CN206830607U (en) * | 2017-05-25 | 2018-01-02 | 海盐宇星螺帽有限责任公司 | A kind of modular nut |
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| WO1994007041A1 (en) * | 1992-09-11 | 1994-03-31 | Norman Leslie Matthews | Self-locking nut assembly |
| CN101479488A (en) * | 2006-01-25 | 2009-07-08 | J·伦登 | Lock nut |
| CN201034106Y (en) * | 2006-07-31 | 2008-03-12 | 浙江吉利汽车研究院有限公司 | Racing vehicle tyre retaining nut |
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| CN204061483U (en) * | 2014-07-10 | 2014-12-31 | 瑞安市友邦标准件有限公司 | Hexagonal nylon nut |
| CN204664107U (en) * | 2015-03-26 | 2015-09-23 | 海盐县华昇汽车配件有限公司 | A kind of nylon locking nut |
| CN204664117U (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 nylon nut |
| CN204828233U (en) * | 2015-08-13 | 2015-12-02 | 瑞安市友邦标准件有限公司 | Self -locking nut |
| CN205423478U (en) * | 2016-03-21 | 2016-08-03 | 平湖市欣业标准件制造有限公司 | Novel improve vehicle shock absorber nut of structure |
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| CN106246696A (en) * | 2016-08-25 | 2016-12-21 | 安徽六方重联机械股份有限公司 | Self-locking nut structure |
| CN206221474U (en) * | 2016-10-15 | 2017-06-06 | 绍兴上虞华通螺丝有限公司 | The locking combination nut of prefastening |
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| CN206555260U (en) * | 2017-02-24 | 2017-10-13 | 瑞安市友邦标准件有限公司 | Plum blossom nylon nut |
| CN106958580A (en) * | 2017-05-25 | 2017-07-18 | 海盐宇星螺帽有限责任公司 | A kind of stop nut |
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| CN206830612U (en) * | 2017-05-25 | 2018-01-02 | 海盐宇星螺帽有限责任公司 | A kind of stop nut |
| CN206830607U (en) * | 2017-05-25 | 2018-01-02 | 海盐宇星螺帽有限责任公司 | A kind of modular nut |
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| CN107524684A (en) * | 2017-10-13 | 2017-12-29 | 襄阳五二五泵业有限公司 | Half formula quick assembling-disassembling nut of one kind point |
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| CN208073956U (en) * | 2018-02-11 | 2018-11-09 | 芜湖罗尔卡精密工业有限公司 | A kind of anti-skidding integrated locking nut |
| CN108468702A (en) * | 2018-05-04 | 2018-08-31 | 安徽恒意硬面工程股份有限公司 | A kind of improved mechanical locking structure |
| CN108626233A (en) * | 2018-06-26 | 2018-10-09 | 浙江长瑞精密零部件制造有限公司 | A kind of nuclear power stop nut |
| CN108644211A (en) * | 2018-06-26 | 2018-10-12 | 浙江长瑞精密零部件制造有限公司 | A kind of petrochemical industry stop 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 |
| CN209324840U (en) * | 2018-12-20 | 2019-08-30 | 浙江安盛汽车零部件有限公司 | A kind of nylon locking nut |
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| Publication number | Publication date |
|---|---|
| CN109458389A (en) | 2019-03-12 |
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