CN102654156B - Novel locking fastener - Google Patents
Novel locking fastener Download PDFInfo
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- CN102654156B CN102654156B CN201210138041.8A CN201210138041A CN102654156B CN 102654156 B CN102654156 B CN 102654156B CN 201210138041 A CN201210138041 A CN 201210138041A CN 102654156 B CN102654156 B CN 102654156B
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- nut
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- screw mandrel
- spinning
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Abstract
The invention belongs to metallurgical equipment fasteners, and particularly relates to a novel locking fastener applicable to a straightener system. The novel locking fastener at least comprises a screw rod (1) and a nut (3), and is characterized in that when the screw rod (1) and the nut (3) are screwed together, the bottom end of the nut (3) is fixedly connected with a pressure cover (5) through a locking screw (6), and the head of the pressure cover (5) is screwed in the screw rod (1) in a threaded way. The novel locking fastener has the advantages of being good in locking effect and easy to process and implement, and ensuring that a user can easily observe whether the thread is loosened.
Description
Technical field
The invention belongs to metallurgical equipment fastening piece, be specially adapted to a kind of New anti-loose fastening piece that straightening machine system is used.
Background technique
Existing nut anti-looseness technology has had a variety of, but high strength, large load and repeatedly concussion impact locking with large-scale nut of place, remain a critical technical barrier.Existing several locking mode is as adopted large-scale round nut, nut pad, and it processes comparatively difficulty, and its nut pad reliability under high-strength impact load is repeatedly not high; The mode of double nut and internal thread locking screw also easily produces loosening under the effect of larger axial force.
Summary of the invention
The object of the invention is: a kind of New anti-loose fastening piece is provided, and its anti-loosing effect is good, whether loosening easily processing, enforcement easily, easily observe out screw thread.
Technological scheme of the present invention is: a kind of New anti-loose fastening piece, which comprises at least screw mandrel, nut, and it is characterized in that: in the time of together with screw mandrel is screwed in nut, the bottom of nut is fixedly connected with gland by lock screw, and gland head is threaded into screw mandrel.
Described screw and the gland spinning with screw mandrel is integrative-structure.
Between described nut bottom and gland, be pressed with adjustment pad.
Described screw mandrel end internal thread with external thread rotary to contrary.
The described gland spinning with screw mandrel is screwed in the central part of screw mandrel, and the lock screw spinning with nut bottom is screwed on the bottom end of nut symmetrically.
Described its shearing force summation can bear of lock screw spinning with nut should be less than the shearing force that gland end screw can bear.
The described lock screw length spinning with nut bottom should be greater than the thickness of gland, and gland can be fastened to nut end face.
The described thickness of adjusting pad by adjustment, makes lock screw just screw in nut end tapped hole.
Described spacer sheet material is the material of capable of adjusting thickness.
The outside thread of axle coordinates with nut, it is right-handed thread cooperation, by the mode that is embedded in screw, nut is tentatively locked, a left handed threaded hole is attacked in the end of axle, tightening cover is screwed in, and aim at the hole on nut screwing sky and tightening cover by repeatedly adjusting the thickness of packing ring, with eye bolt, tightening cover and nut handle is tight, and with steel wire, bolt is worn.So, if nut has loosening, must drive tightening cover rotation, tightening cover is left-handed cooperation with shaft part again, its screw-in mode should be revolves tighter and tighter, so so the loosening power of whole nut has become to a shearing force of closing nut and tightening cover bolt, if if nut is deviate from, must need first to cut off the bolt of outer ring, or cut off on tightening cover the screw of self, once such phenomenon occurs, and we have just known nut loosening, needed again locking nut.
Feature of the present invention is: this New anti-loose fastening piece it to have anti-loosing effect good, structure, thoroughly stopped the loosening of screw thread.And its enforcement is comparatively easy, component are more easily processing also.And whether be easier to observe out screw thread loosening, after thread looseness, will inevitably first cut off row's screw of outer ring.Thereby it utilizes the different principle of thread rotary orientation difference action direction, thoroughly suppressed the trend of thread looseness.It can be used in conjunction with together with other locking modes, such as housing screw, has further strengthened anti-loosing effect.
Effect of the present invention: while making full use of screw thread rotation, thereby due to the different principle of different its moving direction of thread rotary orientation, structure, suppressed up hill and dale the loosening of screw thread, especially the application in screw-down on straightening machine, thoroughly prevent the loosening of the screw thread that causes due to jerk repeatedly, reached good using effect.
Accompanying drawing explanation
Below in conjunction with embodiment's accompanying drawing, the invention will be further described.
Fig. 1 is example structure schematic diagram.
In figure: 1, screw mandrel; 2, adjustment ring; 3, nut; 4, adjust backing plate; 5, gland; 6, lock screw.
Embodiment
Embodiment 1: a kind of New anti-loose fastening piece, it comprises that it comprises screw mandrel 1, nut 3, gland 5, lock screw 6, adjusts pad 4, it is characterized in that: when nut 3 is wanted loosening disengagement due to long-term vibration impact, screw mandrel 1 is motionless, nut 3 rotation, nut 3 end faces and gland 5 are rigidly connected by lock screw 6, and gland 5 heads are because the another kind of rotation direction of employing is threaded into screw mandrel 1, two kinds of screw thread movement tendencies are different, thereby thoroughly suppressed the loosening of nut 4.The present invention is applied in straightening machine system, thereby has avoided the loosening of the screw thread that causes due to prolonged and repeated jerk.
Embodiment 2: substantially the same manner as Example 1, difference is that nut 3 itself adopts internal locking screw, thereby has further suppressed the loosening of screw thread.
Claims (1)
1. a New anti-loose fastening piece, which comprises at least screw mandrel (1), nut (3), it is characterized in that: when screw mandrel (1) and nut (3) are screwed in together, the bottom of nut (3) is fixedly connected with gland (5) by lock screw (6), and gland (5) head threads screws in screw mandrel (1); Described screw and the gland (5) spinning with screw mandrel (1) is integrative-structure; Between described nut (3) bottom and gland (5), be pressed with and adjust pad (4); Described screw mandrel (1) end internal thread with external thread rotary to contrary; The described gland (5) spinning with screw mandrel (1) is screwed in the central part of screw mandrel (1), and the lock screw (6) spinning with nut (3) bottom is screwed on the bottom end of nut (3) symmetrically; Described its shearing force summation can bear of lock screw (6) spinning with nut (3) should be less than the shearing force that gland (5) end screw can bear; Described lock screw (6) length spinning with nut (3) bottom should be greater than the thickness of gland (5), and gland can be fastened to nut end face; The described thickness of adjusting pad (4) by adjustment, makes lock screw (6) just screw in nut (3) end thread hole; Described adjustment pad (4) material is the material of capable of adjusting thickness;
Working principle: the outside thread by axle coordinates with nut, it is right-handed thread cooperation, by the mode that is embedded in screw, nut is tentatively locked, a left handed threaded hole is attacked in the end of axle, gland is screwed in, and aim at the hole on nut screwing sky and gland by repeatedly adjusting the thickness of packing ring, with eye bolt, gland and nut handle is tight, and with steel wire, bolt is worn; When if nut has loosening, must drive gland rotation, gland is left-handed cooperation with shaft part again, and its screw-in mode should be revolves tighter and tighter, and the loosening power of whole nut has become a shearing force of closing nut and gland bolt, if if nut is deviate from, must need first to cut off the bolt of outer ring, or cut off on gland the screw of self, once there is such phenomenon, just know nut loosening, needed again locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210138041.8A CN102654156B (en) | 2012-05-07 | 2012-05-07 | Novel locking fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210138041.8A CN102654156B (en) | 2012-05-07 | 2012-05-07 | Novel locking fastener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102654156A CN102654156A (en) | 2012-09-05 |
| CN102654156B true CN102654156B (en) | 2014-11-05 |
Family
ID=46729847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210138041.8A Active CN102654156B (en) | 2012-05-07 | 2012-05-07 | Novel locking fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102654156B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089785A (en) * | 2012-11-09 | 2013-05-08 | 黄宣斐 | Anti-loosening fastening device |
| CN103089786A (en) * | 2012-11-09 | 2013-05-08 | 黄宣斐 | Anti-loosening fastener |
| CN103062197A (en) * | 2012-12-31 | 2013-04-24 | 福建海源自动化机械股份有限公司 | Anti-loosening device for socket head cap screw |
| CN103161813B (en) * | 2013-01-08 | 2015-03-25 | 上海核工程研究设计院 | Anti-loose fastener for connection of nuclear power equipment |
| CN103009957A (en) * | 2013-01-18 | 2013-04-03 | 中恒通(福建)机械制造有限公司 | Cargo truck balanced suspension assembly |
| CN103244542A (en) * | 2013-05-10 | 2013-08-14 | 江苏永昊高强度螺栓有限公司 | Stably-connected bolt |
| CN105626658A (en) * | 2016-03-26 | 2016-06-01 | 华为技术有限公司 | Self-locking anti-loosening fastening piece, fastening device and fastening structure |
| CN109733546A (en) * | 2019-02-01 | 2019-05-10 | 天津海之星船艇科技有限公司 | A kind of water surface unmanned boat |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400993A (en) * | 2011-02-22 | 2012-04-04 | 汪砚秋 | Anti-loosening bolt for T-shaped nail |
| CN202203255U (en) * | 2011-07-28 | 2012-04-25 | 张意立 | Self-locking nut with groove and double screws |
| CN202937596U (en) * | 2012-05-07 | 2013-05-15 | 中国重型机械研究院有限公司 | Novel device for locking nut clockwise and counter-clockwise |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE0303191L (en) * | 2003-11-28 | 2004-12-07 | Skf Ab | A locknut |
-
2012
- 2012-05-07 CN CN201210138041.8A patent/CN102654156B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400993A (en) * | 2011-02-22 | 2012-04-04 | 汪砚秋 | Anti-loosening bolt for T-shaped nail |
| CN202203255U (en) * | 2011-07-28 | 2012-04-25 | 张意立 | Self-locking nut with groove and double screws |
| CN202937596U (en) * | 2012-05-07 | 2013-05-15 | 中国重型机械研究院有限公司 | Novel device for locking nut clockwise and counter-clockwise |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102654156A (en) | 2012-09-05 |
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| C10 | Entry into substantive examination | ||
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Address after: 710032 Dongyuan Road 209, Weiyang District, Xi'an City, Shaanxi Province Patentee after: China National Heavy Machinery Research Institute Co., Ltd. Address before: 710032 Dongyuan Road 209, Weiyang District, Xi'an City, Shaanxi Province Patentee before: China National Heavy Machinery Research Institute Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |