CN209262013U - Anti-loosening nut - Google Patents
Anti-loosening nut Download PDFInfo
- Publication number
- CN209262013U CN209262013U CN201822213010.XU CN201822213010U CN209262013U CN 209262013 U CN209262013 U CN 209262013U CN 201822213010 U CN201822213010 U CN 201822213010U CN 209262013 U CN209262013 U CN 209262013U
- Authority
- CN
- China
- Prior art keywords
- nut
- screw thread
- boss
- stud
- groove
- 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.)
- Expired - Fee Related
Links
- 210000000078 claw Anatomy 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 230000000747 cardiac effect Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The utility model discloses a kind of Anti-loosening nuts, belong to mechanical fastening technique field.It solves the defect that expanded by heating back nut easily loosens existing for conventional nut in the prior art.Its main structure includes the first nut and the second nut, and a side end face of first nut is equipped with stud and boss, and the boss, which is equipped with, to be tightened grooving and extend to stud, and the outside of the stud is equipped with external screw thread；Second nut is equipped with the first groove and the second groove, and first groove is equipped with internal screw thread, and first nut and the second nut are coupled.The utility model is mainly used for steel tower, freeway guardrail, train etc..
Description
Technical field:
The utility model belongs to mechanical fastening technique field, specifically, more particularly to a kind of Anti-loosening nut.
Background technique:
Bolt and nut component has extensive purposes daily, is mainly used for the installation and fastening of various components, existing
Nut is tapped nut, and installation and removal are easy, but anti-loosening poor with shockproof function；Such as the Hadlock spiral shell of Japan
Mother is easy expanded by heating when high-speed rail, engine etc. use, and expanded by heating back nut can loosen, and after normal use is tightened
A vertical line can be drawn on two nuts and bolts, service personnel if it find that line is offset, then needs weight when checking
It newly tightens, maintenance at any time is so that labor intensity increases.
Summary of the invention:
In order to solve the disadvantage that expanded by heating back nut existing for conventional nut in the prior art easily loosens, the utility model
A kind of Anti-loosening nut being different from the prior art is provided, manufacturing process is simple, cheap, simple to operate, energy
It is enough anti-loosening.
To achieve the goals above, the utility model adopts the following technical solutions realization:
One side end face of a kind of Anti-loosening nut, including the first nut and the second nut, first nut is equipped with spiral shell
Column and boss, the boss, which is equipped with, to be tightened grooving and extends to stud, and the outside of the stud is equipped with external screw thread；Described second
Nut is equipped with the first groove and the second groove, and first groove is equipped with internal screw thread, first nut and the second nut
It is coupled.
Further, the boss on first nut is eccentric boss.
Further, the grooving that tightens is evenly distributed with two to six.
Further, another side end face of first nut is equipped with anti-loose flange, the anti-loose flange and the
One nut is structure as a whole.
Further, card slot is additionally provided on second nut, the card slot is equipped with more than two card slot mouths, described
Rain cover is installed, the rain cover is equipped with claw corresponding with card slot mouth quantity and position on card slot.
It further, is transition fit or interference fit between the external screw thread and internal screw thread.
Compared with prior art, the utility model has the beneficial effects that
1, increase stud and external screw thread on the first nut, the first groove matched with stud and interior is set on second nut
Screw thread can increase the frictional force between the first nut and the second nut after tightening, avoid between the first nut and the second nut
It loosens；
2, it is transition fit or interference fit between external screw thread and internal screw thread, and is equipped on boss and tightens grooving, the
In one nut and the second nut rundown process, tighten grooving can to contract and " holding " bolt, to increase bolt and
Frictional force between one nut and the second nut avoids loosening；
3, the boss on the first nut is eccentric boss, when the first nut and the second nut are tightened, that is, is formed in nut
The effect of chock forces bolt and stud to have and slightly deforms, increases the frictional force between external screw thread and internal screw thread, prevent first
It is loosened between nut and the second nut；
4, rain cover is also equipped with when the second nut and bolt are installed；Rain cover can prevent rainwater along be threadedly engaged place into
Enter in the first nut, avoids tightening in the first nut and be corroded at grooving.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the first nut in the utility model；
Fig. 2 is the main view of the second nut in the utility model；
Fig. 3 is the top view of the second nut in the utility model；
Fig. 4 is the structural schematic diagram that the utility model installs and uses state.
In figure: 1, the first nut；2, anti-loose flange；3, stud；4, external screw thread；5, boss；6, the first groove；7, second
Groove；8, the second nut；9, grooving is tightened；10, internal screw thread；11, bolt；12, gap；13, card slot；14, rain cover；15, block
Pawl；16, card slot mouth.
Specific embodiment:
Below by specific embodiment and in conjunction with attached drawing, the utility model is described in further detail.
Embodiment 1:
As shown in Figs. 1-2, a kind of Anti-loosening nut, including the first nut 1 and the second nut 8, the one of first nut 1
Side end face is equipped with stud 3 and boss 5, and the stud 3 and boss 5 are hollow structure, and the boss 5 is equipped with and tightens grooving
9, it tightens grooving 9 and is cut since the end face of boss 5, extended on stud 3, cut the half of stud 3 to three points
Two between, the outside of the stud 3 is equipped with external screw thread 4；It is recessed that second nut 8 is equipped with the first groove 6 and second
Slot 7, first groove 6 and the second groove 7 are neighbouring, and the boss 5 and the second groove 7 on the first nut 1, which cooperate, pacifies
Dress, stud 3 and the first groove 6, which cooperate, to be installed, and first groove 6 is equipped with internal screw thread 10, first nut 1 and the
Two nuts 8 are coupled；Tighten grooving 9 quantity cannot too much can not be very little, quantity is very little, is not achieved and tightens and prevent
The effect that two nuts 8 loosen, quantity are easily destroyed the intensity of boss 5 and stud 3 too much.
Embodiment 2:
A kind of Anti-loosening nut, the boss 5 on first nut 1 are eccentric boss；The boss 5 and the first nut 1
It is structure as a whole；The grooving 9 that tightens is evenly distributed with two to six；Another side end face of first nut 1 is equipped with anti-
Release flanges 2, the anti-loose flange 2 is hollow structure, and anti-loose flange 2 is structure as a whole with the first nut 1, anti-loose
Flange 2 can prevent from the second nut 8 being made to loosen, loosen with the first nut 1 when vibration, to further reach tight effect
Fruit.As shown in figure 3, being additionally provided with card slot 13 on second nut 8, the card slot 13 is equipped with more than two card slot mouths 16,
Rain cover 14 is installed, the rain cover 14 is equipped with claw corresponding with 16 quantity of card slot mouth and position on the card slot 13
15；Rain cover 14 is made of elastic material, rain cover 14 is stuck in card slot mouth 16 by claw 15 when installation, is rotated rain-proof
Cover 14, makes claw 15 be staggered with card slot mouth 16, and rain cover 14 can prevent rainwater from entering on the first nut 1 along the place of being threadedly engaged,
The first nut 1 is avoided to be corroded；It is transition fit or interference fit between the external screw thread 4 and internal screw thread 10.Other parts
It is same as Example 1.
The working principle that the utility model is installed and used are as follows:
As shown in figure 4, by 11 sets of bolt on installed object, then the first nut 1 is screwed on bolt 11, then by the
Two nuts 8 screw on the first nut 1, and the boss 5 on the first nut 1 screws in the second groove 7 on the second nut 8, and first
10 sets of internal screw thread on groove 6 are additionally provided on boss 5 on the external screw thread 4 on stud 3 and tighten grooving 9；On first nut 1
Boss 5 use eccentric processing when manufacturing, the second nut 8 is then the processing of normal central circular, when the first nut 1 and the second spiral shell
Mother 8 is threaded together, that is, the effect of chock in nut is formed, to realize anti-loosening effect.
Since the boss 5 on the first nut 1 is eccentric boss, there are at one for meeting between boss 5 and the second groove 7 when tightening
Gap 12, but under the action of tightening grooving 9, the internal screw thread on the first nut 1 can be to contract and on " holding " bolt 11
Screw rod, then tightened by the internal screw thread 10 on the first groove 6 with the cooperation of external screw thread 4 on stud 3, soft inside despite one's hard shell (i.e. the first spiral shell
Mother 1 and second nut 8 different hardness material can be used) screw thread increase frictional force, can low temperature resistant, high temperature resistant, anti-strong motion,
Achieve the effect that loosen；Even if high-intensitive fever is occurring for the first nut 1 and the second nut 8 that are therefore located on bolt 11
In the case where, it will not loosen.
Claims (6)
1. a kind of Anti-loosening nut, including the first nut (1) and the second nut (8), it is characterised in that: first nut (1)
A side end face be equipped with stud (3) and boss (5), the boss (5) equipped with tightening grooving (9) and extend to stud (3),
The outside of the stud (3) is equipped with external screw thread (4)；Second nut (8) is equipped with the first groove (6) and the second groove (7),
First groove (6) is equipped with internal screw thread (10), and first nut (1) and the second nut (8) are coupled.
2. Anti-loosening nut according to claim 1, it is characterised in that: the boss (5) on first nut (1) is inclined
Cardiac prominence platform.
3. Anti-loosening nut according to claim 1 or 2, it is characterised in that: the grooving (9) that tightens is evenly distributed with two
To six.
4. Anti-loosening nut according to claim 3, it is characterised in that: on another side end face of first nut (1)
Equipped with anti-loose flange (2), the anti-loose flange (2) is structure as a whole with the first nut (1).
5. Anti-loosening nut according to claim 4, it is characterised in that: be additionally provided with card slot on second nut (8)
(13), the card slot (13) is equipped with more than two card slot mouths (16), is equipped with rain cover (14), institute on the card slot (13)
Rain cover (14) are stated equipped with claw (15) corresponding with card slot mouth (16) quantity and position.
6. Anti-loosening nut according to claim 5, it is characterised in that: between the external screw thread (4) and internal screw thread (10)
For transition fit or interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822213010.XU CN209262013U (en) | 2018-12-26 | 2018-12-26 | Anti-loosening nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822213010.XU CN209262013U (en) | 2018-12-26 | 2018-12-26 | Anti-loosening nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209262013U true CN209262013U (en) | 2019-08-16 |
Family
ID=67583523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822213010.XU Expired - Fee Related CN209262013U (en) | 2018-12-26 | 2018-12-26 | Anti-loosening nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209262013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404397A (en) * | 2018-12-26 | 2019-03-01 | 林平 | Anti-loosening nut |
-
2018
- 2018-12-26 CN CN201822213010.XU patent/CN209262013U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404397A (en) * | 2018-12-26 | 2019-03-01 | 林平 | Anti-loosening nut |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 |