CN111963551A - Ring sleeve type locknut - Google Patents
Ring sleeve type locknut Download PDFInfo
- Publication number
- CN111963551A CN111963551A CN202010925087.9A CN202010925087A CN111963551A CN 111963551 A CN111963551 A CN 111963551A CN 202010925087 A CN202010925087 A CN 202010925087A CN 111963551 A CN111963551 A CN 111963551A
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- China
- Prior art keywords
- nut
- annular component
- concave cavity
- effect
- thread
- 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.)
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- 230000000694 effects Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- 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
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- 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
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- 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
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The invention discloses an annular sleeve type locknut. The nut is provided with a frustum-shaped internal thread concave cavity, a frustum-shaped internal and external thread annular component matched with the concave cavity is arranged in the concave cavity, an eccentric value based on a specification thread fit clearance is selected and set between the internal thread and the external thread of the annular component, so that when the annular component is screwed into the bolt together with the nut and locked, the comprehensive effect of the original nut structure function, the eccentricity of the annular component and the multiple characteristic structure of the tapered thread is maintained, and the expected aim of reliably ensuring that the nut with a single structure is locked and cannot be loosened is achieved; furthermore, the single-structure nuts are used in a superposed mode, or the annular component part in the single nut is arranged on the other nut, so that the whole anti-loosening effect is improved by the double-nut structure. The invention achieves the practical and reliable effect that the nut cannot be loosened after being locked by the nut with the structural characteristics of reasonable, simple and easy implementation.
Description
Technical Field
The invention relates to the field of loosening prevention in common use of bolts and nuts, in particular to a ring sleeve type locknut.
Background
At present, it is known that in people's daily life and work, various bolt and nut applications are all visible, they are the most common and most common solid parts in various devices, and the screw is also called industrial rice, although seemingly more tiny, its practical function is not very little, especially in some important places related to safety, including various high-tech objects, the reliability of the bolt and nut is not negligible, once loosening or dropping occurs, the device may be fatally damaged; how to reliably and effectively prevent the bolt and the nut from loosening is a specific problem which needs to be seriously faced frequently, products which are ready to be selected and used cannot be reduced by the prior art scheme, however, the requirements of different application occasions have great difference, and various prior bolt and nut loosening prevention and the prior art scheme are long; on-line review of the section behind the japanese HardLock nut, "advanced manufacturing whether rocket, airplane, automobile or rail traffic," must have a basis: the parts are advanced and can not be used for towing the back leg. The locknut is the least eye-catching part, and various machines are not equipped with the locknut. However, in the more basic and less obtrusive places, the more gap between China and developed countries is, the more feeling is, which also makes people need to use efforts to continuously enrich and improve some technical schemes which are highly reliable and strong in universality and can not loosen nuts; HardLock belongs to two nut locking structure, and in the reality, can receive the restriction of usage space position in many times, single nut also has locking demand.
Disclosure of Invention
The invention aims to solve the problem of the prior art that the nut is prevented from loosening, and provides the ring sleeve type locknut which is reasonable, reliable, easy to operate, strong in universality and suitable for single and double nut structures.
In order to achieve the above purpose, the present invention is mainly solved by the following technical solutions: an annular sleeve type locknut is provided with a frustum-shaped internal thread concave cavity on the nut, a frustum-shaped internal and external thread annular component matched with the conical internal and external thread concave cavity is arranged in the conical internal and external thread annular component, and an eccentric value based on a specification thread fit clearance is selected and set between the internal thread and the external thread of the annular component, so that when the annular component is screwed in a bolt along with the nut and locked, the annular component can achieve the expected aim of reliably ensuring that the nut with a single structure is locked and cannot be loosened by the comprehensive effect of the original nut structure, the eccentricity of the annular component and the multiple characteristic structure of the conical thread;
furthermore, the single-structure nuts are used in a superposed mode, or the annular component part in the single nut is arranged on the other nut, so that the whole anti-loosening effect is improved by the double-nut structure.
The frustum-shaped internal thread concave cavity and the conicity matched with the frustum-shaped internal and external thread concave cavity are used for selecting the conicity of the frustum-shaped internal and external thread annular component so as to meet the requirement of selecting the progressive locking structure condition of the conical thread; the tapered thread structure can be arranged into a progressive cam structure which is distributed in an intermittent annular manner according to different sizes and application occasions of the nut; the specification thread means the standard specification size of a specific nut.
Preferably, the locking surface of the single-structure nut or the double-nut matched with the single-structure nut can be set to be in a one-way stopping and anti-loosening structure shape, so that the anti-loosening effect of the nut is enhanced.
Preferably, a retaining annular anti-loose elastic washer matched with the one-way retaining and anti-loose structure can be additionally arranged below the nut with the one-way retaining and anti-loose structure, so that the anti-loose effect of the nut can be enhanced more reliably.
Preferably, the nut can be designed into a special specification in a mode of increasing the overall structural size, so that the anti-loosening effect of the nut is enhanced more reliably.
The invention grasps the key points of solving the problems, and better utilizes the characteristic that the nut plays a role mainly on the first tooth and the second tooth of the locking surface in use in a reasonable, simple, reliable and feasible structural form, the single-structure nut is equal to a combined locking device of a tapered thread and an eccentric structure under the premise of keeping the original locking effect, and the annular component and the outer nut are synchronously locked along with the follow-up action, so that the invention can be integrally combined for carrying and keeping without additional working procedures, ensures the convenient and reliable anti-loosening effect, and can not substantially damage the bolt due to the characteristic of the tapered thread and the torsion of an ultra-small part because all functional and effective structures are on the same nut, and the invention can achieve practical effect on the basis of the specification and the size of a standard part, better selection can be provided for the conditions of application occasions, limited use space and the like, and the actual effect can be improved by increasing the design size of the whole structure; if the invention adopts a double-nut structure, no matter a superposition form or a slightly variable form is selected, the invention has the efficacy of respectively having four sections and being capable of staggering the acting positions or a three-section type multi-recombination locking structure, fully embodies the structural characteristics of the invention and the active flexibility for solving the technical problem, and is a reasonable and compact structural arrangement to achieve the expected anti-loosening effect.
The invention has the following beneficial effects: by means of finding an effective method for solving the problems and grasping the essential key points of solving the problems, the practical and reliable effect that the nut cannot be loosened during locking is achieved by combining the tapered thread and the eccentric structure with the locking bolt which is complementary from the multi-aspect ring sleeve with reasonable and simple structural characteristics and easy implementation.
Drawings
Fig. 1 is a schematic view of a single structure of the ferrule type locknut of the present invention.
In the figure: 1. a cavity nut 2, a ring-shaped member 3 and a bolt.
Fig. 2 is a schematic view of a slightly modified structure of the ferrule type locknut of the present invention.
In the figure: 1. a concave cavity nut 2, a boss nut 3 and a bolt.
Detailed Description
A ring-type locknut is further described below with reference to the drawings.
Example 1: as shown in figure 1, the single structure of the ring-type anti-loose nut is characterized in that a frustum-shaped internal thread concave cavity is arranged on the nut to form a concave cavity nut 1 on the whole, a ring-shaped member 2 with frustum-shaped internal and external threads matched with the concave cavity is arranged in the concave cavity of the concave cavity nut 1, the taper of the conical threads is set to be 3 degrees, an eccentric value based on elimination of a matching clearance of the standard threads is selected between the internal threads and the external threads of the ring-shaped member 2, namely the value is the specification size of the nut, namely the clearance existing between the internal threads and the bolt 3, and meanwhile, the matching clearance between the frustum-shaped internal threads and the conical external threads of the ring-shaped member 2 is also considered, so that when the ring-shaped member 2 is screwed into the bolt together with the nut and locked, the comprehensive structural efficacy of the original nut structural function, the eccentricity of the ring-shaped member 2 and the multiple characteristic structures of the conical threads can, the expected aim of reliably ensuring that the nut cannot be loosened only by locking the nut with a single structure is achieved; the main guiding idea of the invention is to solve the technical problem that the application occasion of the single standard specification nut is limited, but the anti-loosening reliability is required; obviously, the structural characteristics of the invention obviously can be enlarged according to actual needs to design the nut into a non-standard product, and the invention can adopt a double-nut structure used in a superposition mode to enhance the overall anti-loosening effect after the nut is locked; due to the characteristics of the frustum-shaped threaded structure, the integral structural function effect is realized in the same nut, the eccentric value of the annular member 2 cannot cause substantial damage to the bolt 3 due to the comprehensive stress relation, and if the double-nut structure is used for preventing looseness, a four-section locking structure capable of staggering the force positions is actually formed, so that the frustum-shaped threaded structure has more remarkable structural and functional advantages compared with a common double-nut anti-looseness structure.
Example 2: as shown in fig. 2, a slightly modified structure of a ring-type locknut is also designed according to the specification and size of a standard nut, and the structural features of the cavity nut 1 in the embodiment are not changed at all from those of the embodiment 1, but the ring-shaped member part in the embodiment 1 is added on another nut, so as to form a boss nut 2, the structural and functional effects of the double nuts in the specific implementation are slightly different from those of the embodiment 1 but are respectively long, the overall structure and the efficacy are also worth confirming, and can be selected according to different requirements; in order to enhance the essential effect, the embodiment obviously can also be designed into a non-standard product by increasing the size according to the actual requirement.
It will be apparent to those skilled in the art that various changes in the structural arrangement of the present invention can be made without departing from the spirit and scope of the invention. Therefore, if these changes are within the technical scope of the claims of the present invention and their equivalents, the present invention is also intended to cover these changes.
Claims (4)
1. An annular loose-proof nut is characterized in that a frustum-shaped internal thread concave cavity is arranged on the nut, a frustum-shaped internal and external thread annular component matched with the conical internal thread concave cavity is arranged in the conical internal thread concave cavity, an eccentric value based on a specification thread fit clearance is selected between internal threads and external threads of the annular component, and when the annular component is screwed into a bolt and locked together with the nut, the annular component can reliably ensure the expected target that the nut with a single structure is locked and cannot be loosened by the comprehensive effect of the original nut structure, the eccentricity of the annular component and the multiple characteristic structure of the conical threads;
furthermore, the single-structure nuts are used in a superposed mode, or the annular component part in the single nut is arranged on the other nut, so that the whole anti-loosening effect is improved by the double-nut structure.
2. The ring sleeve type anti-loose nut as claimed in claim 1, wherein the locking surface of the single structure nut or the matched double nut can be set to be in a one-way anti-back-stopping anti-loose structure shape, so as to enhance the anti-loose effect of the nut.
3. The ring sleeve type locknut of claim 1, wherein a retaining ring-shaped lockwasher matched with the one-way retaining and anti-loosing structure can be added under the nut with the one-way retaining and anti-loosing structure, so as to enhance the anti-loosing effect of the nut more reliably.
4. The ring sleeve type locknut of claim 1, wherein the enlarged overall structural size of the nut can be designed to a special specification, so as to enhance the locknut more reliably.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925087.9A CN111963551B (en) | 2020-09-06 | 2020-09-06 | Single ring type locknut assembly |
| US18/178,939 US20230204066A1 (en) | 2020-09-06 | 2023-03-06 | Single ring type locknut assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925087.9A CN111963551B (en) | 2020-09-06 | 2020-09-06 | Single ring type locknut assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111963551A true CN111963551A (en) | 2020-11-20 |
| CN111963551B CN111963551B (en) | 2022-04-01 |
Family
ID=73392268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010925087.9A Active CN111963551B (en) | 2020-09-06 | 2020-09-06 | Single ring type locknut assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111963551B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023029019A1 (en) * | 2021-09-04 | 2023-03-09 | 叶春林 | Loop-type locknut |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6000875A (en) * | 1996-01-22 | 1999-12-14 | Shap, Inc. | Mounting device |
| CN2504428Y (en) * | 2001-10-31 | 2002-08-07 | 孙富安 | Anti-loosen anti-theft nut |
| CN1987133A (en) * | 2006-12-22 | 2007-06-27 | 魏民 | Accentric self locking nut |
| US20100247266A1 (en) * | 2009-03-25 | 2010-09-30 | Tadeusz Staniszewski | Self-locking nut |
| CN105937538A (en) * | 2016-05-20 | 2016-09-14 | 李武彬 | Structure of locknut and locking adjusting method for locknut |
| CN106246699A (en) * | 2016-08-10 | 2016-12-21 | 张树永 | Electric power and electrification railway contact net Special Eccentric wedge type is locking holds nut tightly |
| CN107740807A (en) * | 2017-11-29 | 2018-02-27 | 忻建国 | A kind of combination stop nut locked using tapered thread |
| CN110425213A (en) * | 2019-08-23 | 2019-11-08 | 汪军 | A kind of Novel anti-loosing bolt |
| CN111365352A (en) * | 2020-03-31 | 2020-07-03 | 叶春林 | Simple anti-loose nut |
| CN211398229U (en) * | 2019-11-05 | 2020-09-01 | 张家陶 | Positive and negative rotation interlocking anti-loosening threaded connection assembly suitable for strong vibration large load |
-
2020
- 2020-09-06 CN CN202010925087.9A patent/CN111963551B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6000875A (en) * | 1996-01-22 | 1999-12-14 | Shap, Inc. | Mounting device |
| CN2504428Y (en) * | 2001-10-31 | 2002-08-07 | 孙富安 | Anti-loosen anti-theft nut |
| CN1987133A (en) * | 2006-12-22 | 2007-06-27 | 魏民 | Accentric self locking nut |
| US20100247266A1 (en) * | 2009-03-25 | 2010-09-30 | Tadeusz Staniszewski | Self-locking nut |
| CN105937538A (en) * | 2016-05-20 | 2016-09-14 | 李武彬 | Structure of locknut and locking adjusting method for locknut |
| CN106246699A (en) * | 2016-08-10 | 2016-12-21 | 张树永 | Electric power and electrification railway contact net Special Eccentric wedge type is locking holds nut tightly |
| CN107740807A (en) * | 2017-11-29 | 2018-02-27 | 忻建国 | A kind of combination stop nut locked using tapered thread |
| CN110425213A (en) * | 2019-08-23 | 2019-11-08 | 汪军 | A kind of Novel anti-loosing bolt |
| CN211398229U (en) * | 2019-11-05 | 2020-09-01 | 张家陶 | Positive and negative rotation interlocking anti-loosening threaded connection assembly suitable for strong vibration large load |
| CN111365352A (en) * | 2020-03-31 | 2020-07-03 | 叶春林 | Simple anti-loose nut |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023029019A1 (en) * | 2021-09-04 | 2023-03-09 | 叶春林 | Loop-type locknut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111963551B (en) | 2022-04-01 |
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