CN109458389A - A kind of nylon locking nut - Google Patents
A kind of nylon locking nut Download PDFInfo
- Publication number
- CN109458389A CN109458389A CN201811560161.0A CN201811560161A CN109458389A CN 109458389 A CN109458389 A CN 109458389A CN 201811560161 A CN201811560161 A CN 201811560161A CN 109458389 A CN109458389 A CN 109458389A
- Authority
- CN
- China
- Prior art keywords
- locking
- limiting section
- card
- nylon
- driving
- 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.)
- Granted
Links
- 239000004677 Nylon Substances 0.000 title claims abstract description 45
- 229920001778 nylon Polymers 0.000 title claims abstract description 45
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000009466 transformation 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 proposes a kind of nylon locking nuts, including locking screw parent, lock sleeve, drive nut body, nylon washer and compression cover, the lower section of the locking screw parent is equipped with limiting section, lock sleeve is installed on the limiting section, the circumferential direction of the lock sleeve is equipped with locking card, the inner wall of the driving nut body is equipped with nylon washer, the lower end surface of the nylon washer offers the first card slot, the top of the locking screw parent is equipped with driving portion, the driving portion is annular solid, the driving portion cooperates the inner ring of control nylon washer radially to inside contract with the first card slot, the lower section of the driving nut body, which is equipped with, compresses cover, the compression cover is matched with locking card, cooperated using locking nut and driving nut body, with good locking effect, it is not susceptible to loosen.
Description
[technical field]
The present invention relates to the technical field of fastener, especially a kind of nylon locking nut.
[background technique]
Flange nut and general hex nut size and thread gage lattice are essentially identical, only compare than hex nut,
It is gasket and nut is integral type, and has anti-skidding groove below, increases the surface area of nut and workpiece in this way
Contact, compared to the combination of plain nut cushioning circle, stronger and pulling force is bigger, due to be installed on the outdoor nut used by
The phenomenon that a possibility that impact endurance test shock, is larger, and retaining effect is poor, is easy to appear loose or dislocation, in the occasion of some special applications,
It is also possible to cause safety accident, it is proposed that a kind of nylon locking nut.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of nylon locking nut is proposed, using locking screw
It is female to be cooperated with driving nut body, there is good locking effect, be not susceptible to loosen.
To achieve the above object, the invention proposes a kind of nylon locking nuts, including locking screw parent, lock sleeve, drive
Dynamic nut body, nylon washer and compression cover, the lower section of the locking screw parent are equipped with limiting section, are equipped with lock on the limiting section
Fixed, the circumferential direction of the lock sleeve is equipped with locking card, and the inner wall of the driving nut body is equipped with nylon washer, the nylon
The lower end surface of washer offers the first card slot, and the top of the locking screw parent is equipped with driving portion, and the driving portion is annular solid,
The driving portion cooperates the inner ring of control nylon washer radially to inside contract with the first card slot, and the lower section of the driving nut body is equipped with pressure
Tight cover, the compression cover are matched with locking card.
Preferably, the locking screw parent further includes ladder limiting section, mounting groove and tension spring, the locking screw parent with
The junction of limiting section offers mounting groove, is equipped with tension spring in the mounting groove, one end of the tension spring is fixed on locking nut
On body, the other end of the tension spring is connected with lock sleeve, and ladder limiting section, the ladder limit are offered below the limiting section
Position portion, the cross sectional shape of the ladder limiting section are circle, and the cross sectional shape of the limiting section is regular pentagon.
Preferably, the lock sleeve further includes mounting portion, limiting slot and through-hole, the mounting portion is mounted on by tension spring
The cross sectional shape of the lower section of locking screw parent, the mounting portion is circle, and the inside of the mounting portion offers and limiting section phase
The limiting slot of cooperation, the cross sectional shape of the limiting slot and the cross sectional shape of limiting section are identical, open at the center of the limiting slot
Equipped with through-hole, the through-hole is matched with ladder limiting section, and the circumferential direction of the mounting portion is uniformly provided with the locking card of bending.
Preferably, the inner wall of the driving nut body offers ladder mounting groove, the nylon washer is installed on ladder
In mounting groove, the nylon washer includes positioning region and card-tight part, and the positioning region is located at the top of card-tight part, the card-tight part
Race diameter be greater than the race diameter of positioning region, the lower end full gate of the card-tight part is equipped with the first card slot, first card slot
For annular groove, the cross sectional shape of first card slot is trapezoidal.
Preferably, the inner wall for compressing cover lower end surface is equipped with arc drive surface, the axis for compressing cover and driving
The center line of nut body coincides, and the cross sectional shape of the driving nut body is regular pentagon.
Beneficial effects of the present invention: the present invention by by locking screw parent, lock sleeve, driving nut body, nylon washer and
It compresses cover etc. to be used in conjunction with, be cooperated using locking nut and driving nut body, cover control locking card by compressing
It is embedded into the surface of workpiece, there is good locking effect, and driving portion control nylon washer deformation, bolt can be stung
Tightly, it is not susceptible to loosen, using the driving nut body of regular pentagon, special tool is needed to be dismantled, prevent with certain
The property stolen.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of cross section structure schematic diagram of nylon locking nut of the present invention；
Fig. 2 is a kind of structural schematic diagram of the locking screw parent of nylon locking nut of the present invention；
Fig. 3 is a kind of schematic cross-section of the locking screw parent of nylon locking nut of the present invention；
Fig. 4 is a kind of structural schematic diagram of the driving nut body of nylon locking nut of the present invention；
Fig. 5 is a kind of schematic cross-section of the driving nut body of nylon locking nut of the present invention；
Fig. 6 is a kind of schematic top plan view of the lock sleeve of nylon locking nut of the present invention.
[specific embodiment]
Refering to fig. 1 to Fig. 6, a kind of nylon locking nut of the present invention, it is characterised in that: including locking screw parent 1, lock sleeve
2, nut body 3, nylon washer 4 are driven and compresses cover 5, the lower section of the locking screw parent 1 is equipped with limiting section 12, the limiting section
Lock sleeve 2 is installed, the circumferential direction of the lock sleeve 2 is equipped with locking card 22, and the inner wall of the driving nut body 3 is equipped on 12
Nylon washer 4, the lower end surface of the nylon washer 4 offer the first card slot 421, and the top of the locking screw parent 1, which is equipped with, drives
Dynamic portion 11, the driving portion 11 are annular solid, the inner ring of the driving portion 11 and the first card slot 421 cooperation control nylon washer 4
Radial direction inside contracts, and the lower section of the driving nut body 3, which is equipped with, compresses cover 5, and the compression cover 5 is matched with locking card 22.The lock
Tight nut body 1 further includes ladder limiting section 13, mounting groove 14 and tension spring 15, the connection of the locking screw parent 1 and limiting section 12
Place offers mounting groove 14, is equipped with tension spring 15 in the mounting groove 14, one end of the tension spring 15 is fixed on locking screw parent 1
On, the other end of the tension spring 15 is connected with lock sleeve 2, and the lower section of the limiting section 12 offers ladder limiting section 13, described
Ladder limiting section 13, the cross sectional shape of the ladder limiting section 13 are circle, and the cross sectional shape of the limiting section 12 is positive five sides
Shape.The lock sleeve 2 further includes mounting portion 21, limiting slot 23 and through-hole 24, and the mounting portion 21 is mounted on lock by tension spring 15
The cross sectional shape of the lower section of tight nut body 1, the mounting portion 21 is circle, and the inside of the mounting portion 21 offers and limiting section
12 limiting slots 23 matched, the cross sectional shape of the limiting slot 23 is identical as the cross sectional shape of limiting section 12, the limiting slot
Through-hole 24 is offered at 23 center, the through-hole 24 is matched with ladder limiting section 13, and the circumferential direction of the mounting portion 21 is uniformly
Locking card 22 equipped with bending.The inner wall of the driving nut body 3 offers ladder mounting groove 31, and the nylon washer 4 clamps
In ladder mounting groove 31, the nylon washer 4 includes positioning region 41 and card-tight part 42, and the positioning region 41 is located at card-tight part 42
Top, the race diameter of the card-tight part 42 is greater than the race diameter of positioning region 41, and the lower end full gate of the card-tight part 42 is set
There is the first card slot 421, first card slot 421 is annular groove, and the cross sectional shape of first card slot 421 is trapezoidal.The compression
The inner wall for covering 5 lower end surfaces is equipped with arc drive surface 51, and the center line of the axis for compressing cover 5 and driving nut body 3 coincides,
The cross sectional shape of the driving nut body 3 is regular pentagon.
The course of work of the present invention:
A kind of working principle of nylon locking nut of the present invention are as follows: first locking screw parent 1 is installed on bolt when installation,
Then driving nut body 3 is installed to the top of locking screw parent 1, wherein adopting 5 control locking card 22 of compression cover is embedded into workpiece
Surface, have good locking effect, and driving portion 11 control nylon washer 4 deform, bolt can be stung tightly, be not easy to send out
It is raw to loosen, using the driving nut body 3 of regular pentagon, special tool is needed to be dismantled, there is certain anti-theft.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (5)
1. a kind of nylon locking nut, it is characterised in that: including locking screw parent (1), lock sleeve (2), driving nut body (3),
The lower section of nylon washer (4) and compression cover (5), the locking screw parent (1) is equipped with limiting section (12), on the limiting section (12)
It is equipped with lock sleeve (2), the circumferential direction of the lock sleeve (2) is equipped with locking card (22), the inner wall peace of driving nut body (3)
Equipped with nylon washer (4), the lower end surface of the nylon washer (4) is offered the first card slot (421), the locking screw parent (1)
Top be equipped with driving portion (11), the driving portion (11) is annular solid, and the driving portion (11) and the first card slot (421) cooperate
The inner ring of control nylon washer (4) radially inside contracts, and the lower section of driving nut body (3), which is equipped with, compresses cover (5), the compression cover
(5) it is matched with locking card (22).
2. a kind of nylon locking nut as described in claim 1, it is characterised in that: the locking screw parent (1) further includes rank
Terraced limiting section (13), mounting groove (14) and tension spring (15), the locking screw parent (1) and the junction of limiting section (12) offer
Mounting groove (14), the mounting groove (14) is interior to be equipped with tension spring (15), and one end of the tension spring (15) is fixed on locking screw parent (1)
On, the other end of the tension spring (15) is connected with lock sleeve (2), offers ladder limiting section below the limiting section (12)
(13), the ladder limiting section (13), the cross sectional shape of the ladder limiting section (13) are circle, and the limiting section (12) is cut
Face shape is regular pentagon.
3. a kind of nylon locking nut as described in claim 1, it is characterised in that: the lock sleeve (2) further includes mounting portion
(21), limiting slot (23) and through-hole (24), the mounting portion (21) are mounted under locking screw parent (1) by tension spring (15)
Side, the cross sectional shape of the mounting portion (21) are circle, and the inside of the mounting portion (21) is offered to match with limiting section (12)
The cross sectional shape of the limiting slot (23) of conjunction, the limiting slot (23) is identical as the cross sectional shape of limiting section (12), the limiting slot
(23) it is offered at center through-hole (24), the through-hole (24) matches with ladder limiting section (13), the mounting portion (21)
Circumferential direction be uniformly provided with the locking card (22) of bending.
4. a kind of nylon locking nut as described in claim 1, it is characterised in that: the inner wall of driving nut body (3) is opened
Equipped with ladder mounting groove (31), the nylon washer (4) is installed in ladder mounting groove (31), and the nylon washer (4) includes
Positioning region (41) and card-tight part (42), the positioning region (41) are located at the top of card-tight part (42), the card-tight part (42) it is outer
Loop diameter is greater than the race diameter of positioning region (41), and the lower end full gate of the card-tight part (42) is equipped with the first card slot (421), described
First card slot (421) is annular groove, and the cross sectional shape of first card slot (421) is trapezoidal.
5. a kind of nylon locking nut as described in claim 1, it is characterised in that: the inner wall for compressing cover (5) lower end surface
Equipped with arc drive surface (51), the axis for compressing cover (5) and the center line of driving nut body (3) coincide, the driving
The cross sectional shape of nut body (3) is 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 true CN109458389A (en) | 2019-03-12 |
| CN109458389B 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) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273912A (en) * | 2019-07-02 | 2019-09-24 | 海盐县华昇汽车配件有限公司 | A kind of flange nut with stopping function |
| CN110285134A (en) * | 2019-07-02 | 2019-09-27 | 海盐县华昇汽车配件有限公司 | A kind of detachable self-locking type anti-theft nut |
| CN110307240A (en) * | 2019-07-02 | 2019-10-08 | 海盐县华昇汽车配件有限公司 | A kind of anti-loose anti-theft nut easy to use |
| CN110513385A (en) * | 2019-09-02 | 2019-11-29 | 浙江荣亿精密机械股份有限公司 | A kind of locking combination nut of retaining |
| CN112228440A (en) * | 2020-10-09 | 2021-01-15 | 嘉兴钰丰汽车零部件有限公司 | Conical nut convenient to dismantle |
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| WO1994007041A1 (en) * | 1992-09-11 | 1994-03-31 | Norman Leslie Matthews | Self-locking nut assembly |
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| 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 |
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| 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 |
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| WO1994007041A1 (en) * | 1992-09-11 | 1994-03-31 | Norman Leslie Matthews | Self-locking nut assembly |
| US20050025611A1 (en) * | 2003-07-30 | 2005-02-03 | Andre Rioux | Anti-theft nut and bolt assembly |
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| CN207261435U (en) * | 2017-10-13 | 2018-04-20 | 襄阳五二五泵业有限公司 | Half handling nut of one kind point |
| CN207470583U (en) * | 2017-11-23 | 2018-06-08 | 江苏瑞春标准件有限公司 | A kind of stop nut of axis pin limiting |
| 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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| CN110273912A (en) * | 2019-07-02 | 2019-09-24 | 海盐县华昇汽车配件有限公司 | A kind of flange nut with stopping function |
| CN110285134A (en) * | 2019-07-02 | 2019-09-27 | 海盐县华昇汽车配件有限公司 | A kind of detachable self-locking type anti-theft nut |
| CN110307240A (en) * | 2019-07-02 | 2019-10-08 | 海盐县华昇汽车配件有限公司 | A kind of anti-loose anti-theft nut easy to use |
| 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 |
| CN110513385A (en) * | 2019-09-02 | 2019-11-29 | 浙江荣亿精密机械股份有限公司 | A kind of locking combination nut of retaining |
| CN112228440A (en) * | 2020-10-09 | 2021-01-15 | 嘉兴钰丰汽车零部件有限公司 | Conical nut convenient to dismantle |
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