CN108626233A - A kind of nuclear power stop nut - Google Patents
A kind of nuclear power stop nut Download PDFInfo
- Publication number
- CN108626233A CN108626233A CN201810669633.XA CN201810669633A CN108626233A CN 108626233 A CN108626233 A CN 108626233A CN 201810669633 A CN201810669633 A CN 201810669633A CN 108626233 A CN108626233 A CN 108626233A
- Authority
- CN
- China
- Prior art keywords
- locking
- nut
- lubrication
- top surface
- screw
- 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.)
- Pending
Links
- 238000005461 lubrication Methods 0.000 claims abstract description 31
- 239000010687 lubricating oil Substances 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 51
- 238000003860 storage Methods 0.000 claims description 11
- 230000003993 interaction Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
- F16B39/122—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts foreseen with mating surfaces inclined, i.e. not normal, to the bolt axis
-
- 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
- F16B33/00—Features common to bolt and nut
- F16B33/06—Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting
-
- 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
- F16B39/24—Locking 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
- F16B39/26—Locking 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 with spring washers fastened to the nut or bolt-head
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of nuclear power stop nuts, including locking nut, drive nut and lubrication bolt, the locking nut includes locking hexagonal portion and constriction two parts, the top surface in the locking hexagonal portion is locking top surface, the center of the locking top surface is equipped with locking screw holes, screw thread is equipped in the locking screw holes, the lower section of the locking nut is equipped with constriction, the constriction is to tighten non slip surface close to the axle center face, the deflation non slip surface is equipped with non-slip texture to increase skin-friction coefficient, stop nut is secured firmly on bolt using the bounce to bolt of interaction force and elastic ring between constriction and back pressure portion coarse after locking nut and driving nut installation, and when screwing in lubrication nut, the lower release stop nut that can be helped again in lubricating oil, intensity is high, it is simple in structure, it is easy to operate.
Description
【Technical field】
The present invention relates to the technical field of nut, especially a kind of technical field of nuclear power stop nut.
【Background technology】
Nut is one of the most widely used fastener, use is bolted together with equivalent specifications, if spiral shell
Bolt screws out nut, and the two parts can be made to separate, therefore the connection is to belong to be detachably connected, and it is anti-that it is widely used in nuclear power station
It answers in the build-up members such as heap, to ensure the normal work of nuclear power plant reactor.
Nut is screwed by inside, when nuclear power mechanical equipment is run, will produce vibration, long-term vibration unavoidably
Nut is caused to shake, so as to cause thread abrasion so that fastening effect is deteriorated, and affects the working performance and stabilization of nuclear power generating equipment
Property, it may occur however that bolt deviates from the phenomenon that nut thread hole, even causes safety accident when serious, and existing stop nut is tied more
Structure is complicated and repeat performance is poor, therefore a kind of connection fastening of urgent need, dismounting are easy and what can be repeatedly used prevents
Loose nut.
【Invention content】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of nuclear power stop nut, can utilize
Interaction force and elastic ring after locking nut and driving nut installation between coarse constriction and back pressure portion to spiral shell
Stop nut is secured firmly on bolt by the bounce of bolt, and when screwing in lubrication nut, and can be under lubricating oil help
Stop nut is unclamped, intensity is high, simple in structure, easy to operate.
To achieve the above object, the present invention proposes a kind of nuclear power stop nut, including locking nut, driving nut and
Lubrication bolt, the locking nut include locking hexagonal portion and constriction two parts, and the top surface in the locking hexagonal portion is locking
The center of top surface, the locking top surface is equipped with locking screw holes, and screw thread, the lower section of the locking nut are equipped in the locking screw holes
Equipped with constriction, the constriction close to the axle center face be tighten non slip surface, the deflations non slip surface equipped with non-slip texture with
Increase skin-friction coefficient.
Preferably, the locking nut has driving nut, the driving nut includes back pressure portion and driving hexagonal
The top surface in portion, the back pressure portion is driving top surface, and the center of the driving top surface is equipped with driving screw hole, is set in the driving screw hole
There is screw thread, further include locking bottom surface in the locking hexagonal portion, the locking bottom surface is in contact with driving top surface, the back pressure portion
Far from the axle center face be back pressure non slip surface, the back pressure non slip surface be equipped with non-slip texture to increase skin-friction coefficient, it is described
Back pressure non slip surface upper end is equipped with the second oil outlet, is additionally provided with groove in the back pressure portion, the groove is built-in with elastic ring, described
Elastic ring is equipped with screw thread close to the axle center side, and institute's elastic ring is additionally provided with the first oil outlet in the side close to axle center.
Preferably, the driving hexagonal portion is equipped with screw hole, it is equipped with screw thread in the screw hole, the bottom end of the screw hole is set
Have an oiling slot, the right end of the oiling slot is connected with total oil discharge passage, total oil discharge passage be equipped with the first oil discharge passage and
Second oil discharge passage, first oil discharge passage and the second oil discharge passage are connected with the first oil outlet and the second oil outlet respectively
It connects.
Preferably, the lubrication bolt, which includes lubrication screw head, lubrication screw rod and oil storage, covers three parts, the lubrication screw head
Top be set as a meter head, the bottom end of the lubrication screw head is connected with lubrication screw rod, and the lubrication screw rod is described equipped with screw thread
The bottom end for lubricating screw rod is equipped with oil storage set, and the oil storage set is built-in with the sponge for being filled lubricating oil.
Beneficial effects of the present invention：The present invention constriction and back pressure coarse using locking nut and after driving nut to install
Stop nut is secured firmly on bolt by the bounce to bolt of interaction force and elastic ring between portion, and when rotation
When entering to lubricate nut, and the lower release stop nut that can be helped in lubricating oil, intensity is high, simple in structure, easy to operate.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of main structure figure of nuclear power stop nut of the present invention；
Fig. 2 is a kind of main structure figure of the locking nut of nuclear power stop nut of the present invention；
Fig. 3 is a kind of main structure figure of the driving nut of nuclear power stop nut of the present invention；
Fig. 4 is a kind of vertical view of the driving nut of nuclear power stop nut of the present invention；
Fig. 5 is a kind of front view of the lubrication bolt of nuclear power stop nut of the present invention.
In figure：1- locking nuts, 11- lock hexagonal portion, 111- locks top surface, 112- locking screw holes, 113- lock bottom surface,
12- constrictions, 121- tighten non slip surface, 2- drivings nut, 21- back pressure portion, 211- drivings top surface, 212- drivings screw hole, 213-
Back pressure non slip surface, the second oil outlets of 2131-, 22- drivings hexagonal portion, 221- screw holes, 222- oilings slot, the total oil discharge passages of 223-,
The first oil discharge passages of 2231-, the second oil discharge passages of 2232-, 214- grooves, 215- elastic rings, the first oil outlets of 2151-, 3- profits
Sliding bolt, 31- lubrications screw head, 32- oil storages set and 33- lubricate screw rod.
【Specific implementation mode】
Refering to fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of nuclear power stop nut of the present invention, including locking nut 1, driving
Nut 2 and lubrication bolt 3, the locking nut 1 include locking hexagonal portion 11 and 12 two parts of constriction, the locking hexagonal portion
11 top surface is locking top surface 111, and the center of the locking top surface 111 is equipped with locking screw holes 112, in the locking screw holes 112
Equipped with screw thread, the lower section of the locking nut 1 is equipped with constriction 12, and the constriction 12 is to tighten non slip surface close to the axle center face
121, the deflation non slip surface 121 is equipped with non-slip texture to increase skin-friction coefficient, and the locking nut 1 has driving
Nut 2, the driving nut include back pressure portion 21 and driving hexagonal portion 22, and the top surface in the back pressure portion 21 is driving top surface 211,
The center of the driving top surface 211 is equipped with driving screw hole 212, and screw thread, the locking hexagonal portion are equipped in the driving screw hole 212
Further include locking bottom surface 113 on 11, the locking bottom surface 113 is in contact with driving top surface 211, and the back pressure portion 21 is far from axle center
The face is back pressure non slip surface 213, and the back pressure non slip surface 213 is equipped with non-slip texture to increase skin-friction coefficient, described time
It presses non slip surface 213 upper end to be equipped with the second oil outlet 2131, is additionally provided with groove 214 in the back pressure portion 23, built in the groove 214
Flexible circle 215, the elastic ring 215 are equipped with screw thread close to the axle center side, and institute's elastic ring 215 is additionally provided with the close to the axle center side
One oil outlet 2151, the driving hexagonal portion 22 are equipped with screw hole 221, screw thread, the screw hole 221 are equipped in the screw hole 221
Bottom end be equipped with oiling slot 222, the right end of the oiling slot 222 is connected with total oil discharge passage 223, total oil discharge passage 223
It is equipped with the first oil discharge passage 2231 and the second oil discharge passage 2232, first oil discharge passage, 2231 and second oil discharge passage
2232 are connected with the first oil outlet 2151 and the second oil outlet 2131 respectively, and the lubrication bolt 3 includes lubrication screw head 31, profit
Sliding screw rod 33 and oil storage cover 32 three parts, and the top of the lubrication screw head 31 is set as a meter head, the bottom end of the lubrication screw head 31 with
Lubrication screw rod 33 is connected, and the lubrication screw rod 33 is equipped with screw thread, and the bottom end of the lubrication screw rod 33 is equipped with oil storage and covers 32, institute
It states oil storage set 32 and is built-in with the sponge for being filled lubricating oil.
The course of work of the present invention：
Driving nut 2 during the work time, is spun on bolt, in bolt by a kind of nuclear power of the present invention first with stop nut
During precession, elastic ring 215 is compressed, and generates bounce laterally inwardly, then locking nut 1 is spun on bolt, lock
The constriction 12 of tight nut 1 drives the back pressure portion of nut 2 to driving the back pressure portion 21 of nut 2 to generate laterally inwardly constrictive force
The constriction 12 of 21 pairs of locking nuts 1 generates back pressure laterally outward, and the effect of three kinds of power can securely fix stop nut
On bolt, when needing to remove stop nut, lubrication bolt 3 is screwed in screw hole 221, with the screw-in of lubrication bolt 3, profit
The oil storage set 32 of 3 bottom of sliding bolt is compressed, and lubricating oil is flowed out from total oil discharge passage 223, first passes through the first oil discharge passage 2231
It is flowed out respectively from the first oil outlet 2151 and the second oil outlet 2131 again with the second oil discharge passage 2232, constriction 12 and back pressure portion
It is lubricated between 21 and elastic ring 215 and bolt, so as to remove stop nut.A kind of locking spiral shell of nuclear power of the invention
Interaction force and elastic ring between the mother constriction and back pressure portion coarse using locking nut and after driving nut to install
The bounce to bolt stop nut is secured firmly on bolt, and when screw in lubricate nut when, and can be helped in lubricating oil
The lower release stop nut helped, intensity is high, simple in structure, easy to operate.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme all belong to the scope of protection of the present invention.
Claims (4)
1. a kind of nuclear power stop nut, it is characterised in that：Including locking nut (1), nut (2) and lubrication bolt (3) are driven,
The locking nut (1) includes locking hexagonal portion (11) and constriction (12) two parts, the top surface of locking hexagonal portion (11)
To lock top surface (111), the center of locking top surface (111) is equipped with locking screw holes (112), and the locking screw holes (112) are interior
Equipped with screw thread, the lower section of the locking nut (1) is equipped with constriction (12), and the constriction (12) is to tighten close to the axle center face
Non slip surface (121), the deflation non slip surface (121) are equipped with non-slip texture to increase skin-friction coefficient.
2. a kind of nuclear power stop nut as described in claim 1, it is characterised in that：The locking nut (1) has drive
Dynamic nut (2), the driving nut include back pressure portion (21) and driving hexagonal portion (22), and the top surface of the back pressure portion (21) is to drive
The center of dynamic top surface (211), driving top surface (211) is equipped with driving screw hole (212), is equipped in the driving screw hole (212)
Screw thread, further includes locking bottom surface (113) on the locking hexagonal portion (11), the locking bottom surface (113) with drive top surface (211)
It is in contact, the back pressure portion (21) is back pressure non slip surface (213) far from the axle center face, and the back pressure non slip surface (213) is equipped with
Non-slip texture is to increase skin-friction coefficient, and back pressure non slip surface (213) upper end is equipped with the second oil outlet (2131), described time
Groove (214) is additionally provided on splenium (23), the groove (214) is built-in with elastic ring (215), and the elastic ring (215) is close
The axle center side is equipped with screw thread, and institute's elastic ring (215) is additionally provided with the first oil outlet (2151) close to the axle center side.
3. a kind of nuclear power stop nut as described in claim 1, it is characterised in that：The driving hexagonal portion (22) is equipped with
Screw hole (221), the screw hole (221) is interior to be equipped with screw thread, and the bottom end of the screw hole (221) is equipped with oiling slot (222), the oiling
The right end of slot (222) is connected with total oil discharge passage (223), and total oil discharge passage (223) is equipped with the first oil discharge passage
(2231) and the second oil discharge passage (2232), first oil discharge passage (2231) and the second oil discharge passage (2232) are respectively with
One oil outlet (2151) is connected with the second oil outlet (2131).
4. a kind of nuclear power stop nut as described in claim 1, it is characterised in that：The lubrication bolt (3) includes lubrication
Screw head (31), lubrication screw rod (33) and oil storage set (32) three parts, the top of the lubrication screw head (31) are set as a meter head, the profit
The bottom end of sliding screw head (31) is connected with lubrication screw rod (33), and the lubrication screw rod (33) is equipped with screw thread, the lubrication screw rod
(33) bottom end is equipped with oil storage set (32), and the oil storage set (32) is built-in with the sponge for being filled lubricating oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810669633.XA CN108626233A (en) | 2018-06-26 | 2018-06-26 | A kind of nuclear power stop nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810669633.XA CN108626233A (en) | 2018-06-26 | 2018-06-26 | A kind of nuclear power stop nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108626233A true CN108626233A (en) | 2018-10-09 |
Family
ID=63688357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810669633.XA Pending CN108626233A (en) | 2018-06-26 | 2018-06-26 | A kind of nuclear power stop nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108626233A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115506629A (en) * | 2022-09-27 | 2022-12-23 | 中建八局第一建设有限公司 | Wheel hub type building construction bearing assembly |
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| CN101255886A (en) * | 2008-04-03 | 2008-09-03 | 张连墩 | Check nut |
| CN203201957U (en) * | 2013-03-01 | 2013-09-18 | 深圳市玖源五金制品有限公司 | Hexagon nut |
| CN203717594U (en) * | 2013-12-08 | 2014-07-16 | 郑云奕 | Anti-rust oil storage bolt by releasing oil |
| CN104454901A (en) * | 2014-12-15 | 2015-03-25 | 扬州锻压机床股份有限公司 | Novel looseness-preventive nut and connection method thereof |
| CN104454909A (en) * | 2014-11-12 | 2015-03-25 | 常州市新西华亚工具有限公司 | Vibratory motor base connecting device |
| CN204921629U (en) * | 2015-09-06 | 2015-12-30 | 江苏东奇标准件有限公司 | Improve bolt of structure |
| CN206468670U (en) * | 2017-01-21 | 2017-09-05 | 深圳市骏强五金制品有限公司 | A kind of nut |
| CN206539580U (en) * | 2017-02-14 | 2017-10-03 | 北京金宇顺达科技股份有限公司 | A kind of antidetonation combination nut |
| CN207195412U (en) * | 2017-07-13 | 2018-04-06 | 天津市大川伟业新能源科技有限公司 | A kind of locking blade nut |
| CN208669816U (en) * | 2018-06-26 | 2019-03-29 | 浙江长瑞精密零部件制造有限公司 | A kind of nuclear power stop nut |
-
2018
- 2018-06-26 CN CN201810669633.XA patent/CN108626233A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101255886A (en) * | 2008-04-03 | 2008-09-03 | 张连墩 | Check nut |
| CN203201957U (en) * | 2013-03-01 | 2013-09-18 | 深圳市玖源五金制品有限公司 | Hexagon nut |
| CN203717594U (en) * | 2013-12-08 | 2014-07-16 | 郑云奕 | Anti-rust oil storage bolt by releasing oil |
| CN104454909A (en) * | 2014-11-12 | 2015-03-25 | 常州市新西华亚工具有限公司 | Vibratory motor base connecting device |
| CN104454901A (en) * | 2014-12-15 | 2015-03-25 | 扬州锻压机床股份有限公司 | Novel looseness-preventive nut and connection method thereof |
| CN204921629U (en) * | 2015-09-06 | 2015-12-30 | 江苏东奇标准件有限公司 | Improve bolt of structure |
| CN206468670U (en) * | 2017-01-21 | 2017-09-05 | 深圳市骏强五金制品有限公司 | A kind of nut |
| CN206539580U (en) * | 2017-02-14 | 2017-10-03 | 北京金宇顺达科技股份有限公司 | A kind of antidetonation combination nut |
| CN207195412U (en) * | 2017-07-13 | 2018-04-06 | 天津市大川伟业新能源科技有限公司 | A kind of locking blade nut |
| CN208669816U (en) * | 2018-06-26 | 2019-03-29 | 浙江长瑞精密零部件制造有限公司 | A kind of nuclear power stop nut |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109458389B (en) * | 2018-12-20 | 2023-09-26 | 浙江安盛汽车零部件有限公司 | Nylon lock nut |
| CN115506629A (en) * | 2022-09-27 | 2022-12-23 | 中建八局第一建设有限公司 | Wheel hub type building construction bearing assembly |
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