CN109958693B - Screw column assembly capable of preventing nut from loosening - Google Patents
Screw column assembly capable of preventing nut from loosening Download PDFInfo
- Publication number
- CN109958693B CN109958693B CN201910226018.6A CN201910226018A CN109958693B CN 109958693 B CN109958693 B CN 109958693B CN 201910226018 A CN201910226018 A CN 201910226018A CN 109958693 B CN109958693 B CN 109958693B
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- nut
- screw column
- wire
- screw
- conical
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- 230000008602 contraction Effects 0.000 claims description 2
- 230000000704 physical effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
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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
Abstract
The invention discloses a screw column assembly capable of preventing a nut from loosening, which belongs to the technical field of fasteners and comprises a screw column, a first nut, a second nut, a third nut and a screw rod, wherein one end of the screw column is provided with an integrally formed screw column hexagon head, the other end of the screw column is internally provided with a screw column inner conical wire, the outer wall of the screw column is provided with a screw column outer wire, the interior of the first nut is provided with a first nut inner wire hole, one end, far away from the screw column hexagon head, of the outer wall of the first nut is provided with a first nut outer conical wire, the interior of the second nut is provided with a second nut inner conical wire hole, the outer wall of the third nut is sleeved on the first nut outer conical wire, one end, far away from the screw column inner conical wire, of the third nut is provided with a third nut outer conical wire, and through multiple expansion and locking, the physical effect that the nut cannot loosen and fall off by itself is achieved, and economic loss is avoided, and safety is improved.
Description
Technical Field
The invention relates to the technical field of fasteners, in particular to a screw column assembly which is applied to trains, high-speed rails, airplanes, ships and various vibrating and high-vibration equipment and can not loosen nuts automatically.
Background
The common nut and screw column on the market are the most common fasteners, and are mainly meshed with the screw column through screw teeth, but when the common nut and screw column are meshed, gaps are still reserved between the inner screw of the nut and the outer screw of the screw column, and when vibration is transmitted from an object fixed between the nut and the screw column, the nut and the screw column are loosened, so that the object is unstable and collapses, and serious economic loss and safety accidents are possibly caused. In order to prevent vibration when a common nut and screw column are used for fixing objects in the market, a worker can add a nut and a spring washer on the nut, and when the spring cushion is stressed to be flat, the spring cushion loses elasticity. The nut reinforced on the nut cannot be tightly held by the internal thread of the nut and the screw column without gaps, and the nut still loosens when the object vibrates.
Based on the above, the invention designs a screw column assembly without self-loosening the nut so as to solve the above problems.
Disclosure of Invention
The invention aims to provide a screw column component which adopts multiple interlinks for tightening, locking, expanding and locking when an object is fixed, so that economic loss is avoided, and the safety guarantee is improved, and the problem in the background technology is solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a can not be from screw post subassembly of not loosening nut, includes screw post, first nut, second nut, third nut and screw pole, the one end of screw post is equipped with integrated into one piece's screw post hexagon head, and the inside screw post internal taper silk that is equipped with of the other end of screw post, be equipped with screw post external screw on the outer wall of screw post, the inside of first nut is opened there is first nut internal taper silk hole, the one end that keeps away from screw post hexagon head on the outer wall of first nut is equipped with first nut external taper silk, the inside of second nut is opened there is second nut internal taper silk hole, the outside that the second nut passed the screw post through second nut internal taper silk hole, the cover is on first nut external taper silk, the inside of third nut is opened there is third nut internal taper silk hole, the third is equipped with third nut external taper silk through third nut internal taper silk hole cover on the outer wall of third nut, the one end that keeps away from screw post internal taper silk, the inside taper silk is kept away from with first nut internal taper silk of third nut and the inside screw post, the screw post that the screw post is kept away from with the inside taper silk of first end of second nut.
Preferably, a first expansion groove is formed in one end, away from the hexagonal head of the screw column, of the inner portion of the first nut.
Preferably, the first nut is continuously meshed with the first nut outer conical wire through the second nut inner conical wire hole, so that the first expansion groove is gradually contracted, and the first nut inner wire hole is meshed with the screw column outer wire to be held tightly through the gradual contraction of the first expansion groove.
Preferably, the third nut is continuously meshed with the outer thread of the screw column through the inner thread hole of the third nut, the outer conical thread of the third nut is continuously meshed with one end, far away from the hexagonal head of the screw column, of the inner thread hole of the first nut, one end, close to the outer conical thread of the third nut, of the first expansion groove is expanded, and the diameter of one end, close to the outer conical thread of the third nut, of the first outer conical thread of the first nut is larger than the inner diameter, close to the outer conical thread of the third nut, of the inner conical thread hole of the second nut.
Preferably, a second expansion groove is formed in one end, away from the screw rod, of the inner conical wire in the screw column.
Preferably, the screw rod is continuously meshed with the conical wire in the screw column, so that the second expansion groove expands, and the outer wire of the screw column at the other end of the screw column expands to be larger than the inner diameter of the inner wire of the third nut.
Preferably, the inclined angles of the conical inclined planes of the first nut outer conical wire, the second nut inner conical wire hole and the third nut outer conical wire are 5-15 degrees.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel structural design, achieves the physical effect that the nut cannot loosen by itself through multiple expansion and locking, and when vibration force is transmitted from a fixed object, the vibration force transmitted from the object is sequentially damped through the first nut, the second nut, the third nut and one end of a screw column expanded by a screw rod, after the vibration is damped through the physical effect, the vibration force transmitted to the third nut cannot enable the vibration force to loosen and drop the one end expanded by the screw column, thereby achieving the effect that the nut cannot loosen by itself when the nut cannot be loosened by itself only manually, avoiding accidents caused by the fact that equipment maintenance cannot be timely maintained in the later period, avoiding economic loss and improving safety guarantee.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the first nut of the present invention;
FIG. 3 is a side view of a first nut of the present invention;
FIG. 4 is a schematic view of a second nut according to the present invention;
fig. 5 is a schematic view of a third nut according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
the screw rod comprises a 1-screw rod hexagon head, a 2-screw rod, a 3-screw rod outer screw, a 4-first nut, a 5-first nut inner screw hole, a 6-first nut outer conical screw, a 7-first expansion groove, an 8-second nut, a 9-second nut inner conical screw hole, a 10-third nut, a 11-third nut outer conical screw, a 12-third nut inner screw hole, a 13-screw rod inner conical screw, a 14-second expansion groove and a 15-screw rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a can not be from screw post subassembly of not loosening nut, includes screw post 2, first nut 4, second nut 8, third nut 10 and screw pole 15, the one end of screw post 2 is equipped with integrated into one piece's screw post hexagon head 1, and the inside screw post internal taper silk 13 that is equipped with of the other end of screw post 2, be equipped with screw post external silk 3 on the outer wall of screw post 2, the inside of first nut 4 is opened there is first nut internal taper silk 5, first nut 4 overlaps in the outside of screw post 2 through first nut internal taper silk 5, the one end that keeps away from screw post hexagon head 1 on the outer wall of first nut 4 is equipped with first nut external taper silk 6, the inside of second nut 8 is opened there is second nut internal taper silk 9, second nut 8 passes the outside of screw post 2 through second nut internal taper silk 9, the cover is on first nut external taper silk 6, the inside of third nut 10 is opened there is third nut internal taper silk 12, third nut 10 is through third nut internal taper silk 12 on the outer wall of third nut 12 on the outer taper silk 1 of screw post 2, the one end that keeps away from on the outer taper silk 11 of third nut 10 is equipped with the screw post external taper silk of third nut 11.
The inside of first nut 4 is kept away from the one end of screw column hexagon head 1 and is equipped with first inflation slot 7, first nut 4 is through the continuous interlock of the toper silk hole 9 in the second nut with the outer toper silk 6 of first nut, makes first inflation slot 7 shrink gradually, the gradual shrink of first nut internal thread hole 5 through first inflation slot 7, with the gripping of screw column outer silk 3, reaches first nut 4 can not become flexible.
The third nut 10 is continuously meshed with the screw column outer thread 3 through the third nut inner thread hole 12, the third nut outer conical thread 11 is continuously meshed with one end, far away from the screw column hexagonal head 1, of the first nut inner thread hole 5, one end, close to the third nut outer conical thread 11, of the first expansion groove 7 is expanded, the diameter of one end, close to the third nut outer conical thread 11, of the first nut outer conical thread 6 is larger than the inner diameter, close to the third nut outer conical thread 11, of the second nut inner conical thread hole 9, and the fact that the second nut 9 cannot be retracted after being meshed tightly is achieved, so that loosening cannot occur.
The second expansion groove 14 is formed in the inner portion of the screw column inner conical wire 13, far away from one end of the screw rod 15, the screw rod 15 is continuously meshed with the screw column inner conical wire 13, the second expansion groove 14 is enabled to expand, the screw column outer wire 3 at the other end of the screw column 2 is expanded to be larger than the inner diameter of the third nut inner wire 12, the screw cannot be retracted after the third nut 10 is tightly meshed, accordingly loosening cannot occur, the inclination angles of the conical inclined surfaces of the first nut outer conical wire 6, the second nut inner conical wire hole 9 and the third nut outer conical wire 11 are 5-15 degrees, and the screw column inner conical wire is reasonable in design and applicable to nut fasteners of different specifications.
One specific application of this embodiment is: after the first nut 4 and the screw column 2 are fixed to the fixed object, the second nut 8 tightens the first nut 4 to lock the screw column 2, the third nut 10 is forced to expand the conical end of the first nut 4 and lock the second nut 8, and the screw rod 15 is forced to expand one end of the screw column 2 through the second expansion groove 14 and lock the third nut 10, so that the third nut 10 cannot be loosened in a backward way.
The self-loosening nut can not realize the physical effect that the nut can not loosen by self through multiple expansion and locking. When vibration force is not transmitted from an object fixed between the loose nut and the screw column 2, the vibration force transmitted by the object is transmitted to the second nut 8 through the vibration force after the vibration of the first nut 4 is damped, the vibration force after the vibration of the second nut 8 is transmitted to the third nut 10, the vibration force after the vibration of the third nut 10 is transmitted to one end of the screw column 2 which is expanded through the screw rod 15, and the vibration force transmitted to the third nut 10 can not enable the vibration force to loosen and drop the one end of the third nut 10 which is expanded through the screw column 2 after the vibration is damped through a physical effect, so that the effect that the vibration force cannot loosen by itself when the self-loosening nut is not manually loosened is achieved, accidents caused by the fact that equipment maintenance is not timely performed in the later period are avoided, economic loss is avoided, and safety guarantee is improved. The nut without self loosening can be used on trains, high-speed rails, airplanes, ships and various equipment with vibration and high vibration.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (2)
1. The utility model provides a can not be from screw post subassembly of loosening nut, includes screw post, first nut, second nut, third nut and screw pole, its characterized in that: one end of the screw column is provided with an integrally formed screw column hexagon head, the other end of the screw column is internally provided with a screw column inner conical wire, the outer wall of the screw column is provided with a screw column outer wire, the interior of the first nut is provided with a first nut inner wire hole, the first nut is sleeved outside the screw column through the first nut inner wire hole, one end, far away from the screw column hexagon head, of the outer wall of the first nut is provided with a first nut outer conical wire, the interior of the second nut is provided with a second nut inner conical wire hole, the second nut passes through the outer part of the screw column through a second nut inner conical wire hole and is sleeved on the first nut outer conical wire, a third nut inner wire hole is formed in the third nut, the third nut is sleeved on the screw column through a third nut inner wire hole, one end, far away from the screw column inner conical wire, of the outer wall of the third nut is provided with a third nut outer conical wire, the third nut outer conical wire is meshed with one end, far away from the screw column hexagon head, of the first nut inner wire hole, and one end of the screw rod is meshed with the inner part of the screw column inner conical wire;
a first expansion groove is formed in one end, away from the hexagonal head of the screw column, of the first nut;
the first nut is continuously meshed with the first nut outer conical wire through the second nut inner conical wire hole, so that the first expansion groove is gradually contracted, and the first nut inner wire hole is meshed with the screw column outer wire to be tightly held through the gradual contraction of the first expansion groove;
the third nut is continuously meshed with the outer thread of the screw column through a third nut inner thread hole, the third nut outer conical thread is continuously meshed with one end of the first nut inner thread hole, which is far away from the hexagonal head of the screw column, and one end of the first expansion groove, which is close to the third nut outer conical thread, is expanded, so that the diameter of one end of the first nut outer conical thread, which is close to the third nut outer conical thread, is larger than the inner diameter of the second nut inner conical thread hole, which is close to the third nut outer conical thread;
a second expansion groove is formed in one end, away from the screw rod, of the inner conical wire in the screw column;
the screw rod is continuously meshed with the inner conical wire of the screw column, so that the second expansion groove expands, and the outer wire of the screw column at the other end of the screw column expands to be larger than the inner diameter of the inner wire of the third nut.
2. A screw-and-column assembly that does not self-loosen nuts as set forth in claim 1, wherein: the inclined angles of the conical inclined planes of the first nut outer conical wire, the second nut inner conical wire hole and the third nut outer conical wire are 5-15 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910226018.6A CN109958693B (en) | 2019-03-25 | 2019-03-25 | Screw column assembly capable of preventing nut from loosening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910226018.6A CN109958693B (en) | 2019-03-25 | 2019-03-25 | Screw column assembly capable of preventing nut from loosening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109958693A CN109958693A (en) | 2019-07-02 |
| CN109958693B true CN109958693B (en) | 2023-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910226018.6A Active CN109958693B (en) | 2019-03-25 | 2019-03-25 | Screw column assembly capable of preventing nut from loosening |
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| Country | Link |
|---|---|
| CN (1) | CN109958693B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2371384Y (en) * | 1999-02-10 | 2000-03-29 | 谈建民 | Motion load-carrying expansion bolt |
| CN2599304Y (en) * | 2003-01-24 | 2004-01-14 | 张振坤 | Anti-loosing fastening structure for expanding mouth bolt |
| CN201246388Y (en) * | 2008-07-25 | 2009-05-27 | 王焕土 | Integral dual anti-loose nut and head locking type and tail locking type anti-loose nuts |
| JP2011033047A (en) * | 2009-07-29 | 2011-02-17 | Hiroshi Kakimoto | Lock nut and fastening structure thereof |
| CN210034093U (en) * | 2019-03-25 | 2020-02-07 | 陈朋 | Screw post assembly capable of preventing nut from loosening |
-
2019
- 2019-03-25 CN CN201910226018.6A patent/CN109958693B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2371384Y (en) * | 1999-02-10 | 2000-03-29 | 谈建民 | Motion load-carrying expansion bolt |
| CN2599304Y (en) * | 2003-01-24 | 2004-01-14 | 张振坤 | Anti-loosing fastening structure for expanding mouth bolt |
| CN201246388Y (en) * | 2008-07-25 | 2009-05-27 | 王焕土 | Integral dual anti-loose nut and head locking type and tail locking type anti-loose nuts |
| JP2011033047A (en) * | 2009-07-29 | 2011-02-17 | Hiroshi Kakimoto | Lock nut and fastening structure thereof |
| CN210034093U (en) * | 2019-03-25 | 2020-02-07 | 陈朋 | Screw post assembly capable of preventing nut from loosening |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109958693A (en) | 2019-07-02 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20231204 Address after: 518000 building 6, block B, wuliandui Industrial Zone, Shangcun community, Gongming office, Guangming New District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Lida Precision Industry Co.,Ltd. Address before: No. 45 Xiyandian, Chenlou Administrative Village, Lvzhai Town, Linquan County, Fuyang City, Anhui Province, 236400 Applicant before: Chen Peng |
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