CN109139664A - A kind of nut and nut locking structure with anti-loose structure - Google Patents
A kind of nut and nut locking structure with anti-loose structure Download PDFInfo
- Publication number
- CN109139664A CN109139664A CN201811320186.3A CN201811320186A CN109139664A CN 109139664 A CN109139664 A CN 109139664A CN 201811320186 A CN201811320186 A CN 201811320186A CN 109139664 A CN109139664 A CN 109139664A
- Authority
- CN
- China
- Prior art keywords
- nut
- hole
- strip
- bolt
- shaped hole
- 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
- 230000000694 effects Effects 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 4
- 230000003116 impacting effect Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 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
- F16B37/00—Nuts or like thread-engaging members
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a kind of nut and nut locking structure with anti-loose structure, a kind of nut with anti-loose structure is the strip-shaped hole being equipped on the circumferencial direction of nut through nut inside and outside wall, strip-shaped hole corresponds to the angle of segmental arc less than 180 °, so that this corresponding partial nut wall of strip-shaped hole is divided into two parts in the axial direction；The two parts by connector connect so that nut in the operating condition two parts can phase enantiotropy and draw close.Nut locking structure be include the above-mentioned nut being connected on axle thread.The present invention provides the nut and nut locking structure with anti-loose structure that a kind of anti-loosing effect is good, convenient for disassembly and assembly, structure is simple, installation space is small, easy to maintain.
Description
Technical field
The invention belongs to Anti-loosing connection parts fields, and in particular to a kind of nut and nut anti-looseness knot with anti-loose structure
Structure.
Background technique
Currently, there are three types of the locking modes of common threaded fastener.The first is that friction is locking, this is most widely used
A kind of locking mode, this mode are that a normal pressure not changed with external force is generated between screw thread pair, can be hindered with generating one
The only frictional force that screw thread pair relatively rotates.This normal pressure can be by axially or simultaneously two realizing to collet threaded pair.Such as adopt
With elastic washer, double nut, self-locking nut and nylon inserts locking nut etc..This locking mode compares the disassembly of nut
It is convenient, but the shock and vibration and varying load the case where, bolt can cause pretightning force to decline because of relaxation at the beginning, with vibration time
The pretightning force of several increases, loss slowly increases, and nut will eventually be caused to loosen, thread connection failure.The second way
It is mechanical locking, is the relative rotation for directly limiting screw thread pair with retainer, such as using split pin, series winding steel wire and stop washer
Cause disassembly inconvenient Deng, this mode.It is locking that the third mode is that riveting is rushed, using rushing the side such as point, welding, bonding after tightening
The shortcomings that method makes screw thread pair lose movement sub-attribute and be connected to become non-disconnectable connection, this mode is that tightening latch can only use one
It is secondary, and dismantle very difficult, it is necessary to destroying bolt pair can dismantle.Existing for locking mode for existing threaded fastener
Problem is badly in need of the nut locking structure that a kind of anti-loosing effect is good, convenient for disassembly and assembly, structure is simple, installation space is small, easy to maintain.
Summary of the invention
In view of the above shortcomings of the prior art, the object of the invention is that provide a kind of anti-loosing effect it is good, dismounting
The nut and nut locking structure with anti-loose structure convenient, structure is simple, installation space is small, easy to maintain.
The technical scheme of the present invention is realized as follows:
A kind of nut with anti-loose structure is equipped with the strip-shaped hole through nut inside and outside wall, bar shaped on the circumferencial direction of nut
Hole corresponds to the angle of segmental arc less than 180 °, so that this corresponding partial nut wall of strip-shaped hole is divided into two parts in the axial direction；It should
Two parts by connector connect so that nut in the operating condition two parts can phase enantiotropy and draw close.
Here deformation is micro deformation, and connector is the fastener of a smallclothes relative to nut, passes through bolt
Apply external force, so that two parts nut wall mutually can occur micro-deformation and draw close nut in the operating condition, so that
Micro opposite deformation occurs for corresponding screw thread on the inside of two parts nut wall, can both increase corresponding on the inside of two parts nut wall
Screw thread and axis surface screw thread between frictional force, while can reduce the relative distance of two parts nut wall again, that is, reduce
The rotation of nut zero degree has can be achieved, in nut and axis surface screw thread spiral shell in the screw pitch of bar shaped bore region inner nut after being arranged in this way
After closing fastening, nut can be effectively prevented and relative motion occurs for axis, nut will not loosen, and anti-loosing effect is reliable and stable.
Further, the strip-shaped hole is located at nut axial direction middle part position, is divided into two-part nut wall in axis by strip-shaped hole
Upward thickness is equal.It is more easier in this way, processing strip-shaped hole on nut wall, so that two parts nut wall is by outer
It is more uniformly stressed after power.
Further, the connector is bolt, is divided by strip-shaped hole and is respectively equipped on two-part nut wall along axial direction
Connecting hole, the connecting hole in a portion are the through-hole of perforation, and the connecting hole on another part is threaded hole, the screw rod of bolt
Successively be passed into threaded hole from through-hole, strip-shaped hole and be threadedly coupled with threaded hole, corresponding to the head of bolt and through-hole that
The outer end face of partial nut is close to.
In this way, the corresponding threaded hole of a part of nut wall is by strip-shaped hole direction after bolt and threaded hole fastening
Axial force so that this partial nut wall is to strip-shaped hole Direction distortion；Another part is equipped with the nut wall of through-hole by spiral shell
The power of bolt head, so that this partial nut wall is also to strip-shaped hole Direction distortion, so that it is opposite to realize that two parts nut wall occurs
Micro-deformation is being vibrated or is impacting so that micro opposite deformation occurs for corresponding screw thread on the inside of two parts nut wall
Relative motion will not occur for situation, bolt, to strengthen the anti-loosing effect of nut.
Further, be arranged with washer on bolt, washer be located at bolt head and with part nut corresponding to through-hole
Outer end face between and be compacted.For increasing the frictional force between screw bolt and nut, when impact or vibration, bolt
It is not easy to loosen, to prevent nut loosening.
Further, the connector is identical two groups.It is corresponding on the inside of two parts nut wall this further enhances making
Screw thread the micro external force deformed in opposite directions occurs, thus stiffnut fasten anti-loosing effect.
A kind of nut locking structure, including the nut being connected on axle thread, the nut is above-described with anti-
The nut of loose structure, nut by two parts that strip-shaped hole is divided under the connection of connector phase enantiotropy and draw close.The axis spiral shell
The corresponding axis of line can be shaft, the screw rod on bolt, stud, connecting shaft etc., it is not limited here, as long as nut can spiral shell therewith
Line connects and is the axis part for needing to fasten, and axle thread is the screw thread that above-mentioned axis surface is arranged in.
Compared with prior art, the invention has the following beneficial effects:
1, anti-loosing effect of the present invention is good, convenient for disassembly and assembly, structure is simple, installation space is small, easy to maintain.
2, the setting of strip-shaped hole of the present invention and bolt applies external force by bolt, so that nut in the operating condition two
Partial nut wall mutually can occur micro-deformation and draw close, so that corresponding screw thread generation is micro- on the inside of two parts nut wall
The opposite deformation of amount can both increase the frictional force on the inside of two parts nut wall between corresponding screw thread and axis surface screw thread,
The relative distance that can reduce two parts nut wall again simultaneously, that is, reduce the screw pitch of bar shaped bore region inner nut, is arranged in this way
After can be achieved nut zero degree rotation, nut and axis surface threads fastening after, can be effectively prevented nut and axis hair
Raw relative motion, nut will not loosen, and anti-loosing effect is reliable and stable.
3, after bolt and threaded hole fastening, the corresponding threaded hole of a part of nut wall is by the axis on strip-shaped hole direction
Xiang Li, so that this partial nut wall is to strip-shaped hole Direction distortion；Another part is equipped with the nut wall of through-hole by bolt head
Power so that this partial nut wall is also to strip-shaped hole Direction distortion, so that it is opposite micro to realize that two parts nut wall occurs
Deformation, so that micro opposite deformation occurs for corresponding screw thread on the inside of two parts nut wall, situations such as being vibrated or impacting,
Relative motion will not occur for bolt, to strengthen the anti-loosing effect of nut.
4, it is additionally provided with washer between screw bolt and nut, further increases the frictional force between screw bolt and nut, prevents
Only bolt loosens, thus prevent nut from loosening, multi-level protection, so that anti-loosing effect of the invention is more stable
Reliably.
5, the present invention maintains easily, even if bolt loosens in improper situation, at most makes the present invention corresponding
Anti-loose structure failure, nut still tightening state can be kept under existing other anti-loose structures (such as elastic washer), into
In row maintenance process, it is only necessary to tighten bolt.
6, bolt is arranged on nut, does not influence other equipment installation, and installation space is small, facilitates operation.
Detailed description of the invention
Fig. 1-main view sectional view of the present invention.
Fig. 2-top view of the present invention.
Fig. 3-lateral sectional view of the present invention.
Wherein: 1- nut；2- axis；3- strip-shaped hole；4- bolt；5- washer.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description.
Referring to figure 1, figure 2 and figure 3, a kind of nut with anti-loose structure is equipped on the circumferencial direction of nut 1 and runs through spiral shell
The strip-shaped hole 3 of female 1 inside and outside wall, the angle of the corresponding segmental arc of strip-shaped hole 3 is less than 180 °, thus in the axial direction that strip-shaped hole 3 is corresponding
This partial nut wall is divided into two parts；The two parts are by connector (embodiment is bolt 4) connection, so that nut 1 is working
Under state two parts can phase enantiotropy and draw close.Here deformation is micro deformation, and bolt is one relative to nut
The fastener of smallclothes, by bolt apply external force so that nut 1 in the operating condition two parts nut wall can mutually occur it is micro-
Quantitative change shape and draw close so that micro opposite deformation occurs for corresponding screw thread on the inside of two parts nut wall, can both increase
Frictional force on the inside of two parts nut wall between corresponding screw thread and axis 2 surface screw thread, while can reduce two parts spiral shell again
The relative distance of female wall reduces the screw pitch of bar shaped bore region inner nut, the rotation of 1 zero degree of nut can be achieved after being arranged in this way
Turn, after nut 1 and the fastening of 2 surface threads of axis, nut 1 can be effectively prevented and relative motion occurs for axis 2, nut will not
It loosens, anti-loosing effect is reliable and stable.
The strip-shaped hole 3 is located at nut axial direction middle part position, is divided into two-part nut wall in the axial direction by strip-shaped hole 3
Thickness is equal.In this way, on nut wall process strip-shaped hole be more easier so that two parts nut wall after by external force by
Power is more uniform.
It is divided into the company being respectively equipped on axial connecting hole, a portion on two-part nut wall by strip-shaped hole 3
The through-hole that hole is perforation is connect, the connecting hole on another part is threaded hole, and the screw rod of bolt 4 is successively passed through from through-hole, strip-shaped hole
It is threadedly coupled into threaded hole and with threaded hole, the head of bolt is close to the outer end face of part nut corresponding to through-hole.
Threaded hole can be arranged through nut wall, and the screw rod of such words bolt successively passes through from through-hole, strip-shaped hole and passes through threaded hole
It is threadedly coupled with threaded hole.In this way, after bolt 4 and threaded hole fastening, the corresponding threaded hole of a part of nut wall by
Axial force on strip-shaped hole direction, so that this partial nut wall is to strip-shaped hole Direction distortion；Another part is equipped with through-hole
Power of the nut wall by bolt head so that this partial nut wall is also to strip-shaped hole Direction distortion, to realize two parts
Opposite micro-deformation occurs for nut wall so that micro opposite deformation occurs for corresponding screw thread on the inside of two parts nut wall, by
To situations such as vibration or impact, relative motion will not occur for bolt, to strengthen the anti-loosing effect of nut.
It is arranged with washer 5 on bolt 4, washer 5 is located at bolt head and outer with part nut corresponding to through-hole
Between end face and it is compacted.For increasing the frictional force between screw bolt and nut, when impact or vibration, bolt is not easy
It loosens, to prevent nut loosening.
The bolt 4 is identical two groups, correspondingly, washer 5 also has identical two groups.This further enhances make two
The micro external force deformed in opposite directions occurs for corresponding screw thread on the inside of partial nut wall, so that stiffnut fastens anti-loosing effect.
A kind of nut locking structure, including the nut 1 being connected on axle thread, the nut 1 is above-mentioned with locking
The nut of structure, nut 1 by two parts that strip-shaped hole is divided under the connection of bolt 4 phase enantiotropy and draw close.The axle thread
Corresponding axis 2 can be shaft, the screw rod on bolt, stud, connecting shaft etc., it is not limited here, as long as nut can spiral shell therewith
Line connects and is the axis part for needing to fasten, and axle thread is the screw thread that above-mentioned axis surface is arranged in.
Nut 1 is connect fastening with axle thread and then 4 sets of upper gaskets 5 of bolt is inserted into screw threads by the present invention using simply
Hole, fastening bolt 4；When needing to dismantle, loose bolts 4 is first gone to be unloaded, then again dismantled nut 1 lower.This
The features such as invention has anti-loosing effect good, convenient for disassembly and assembly, and structure is simple, installation space is small, easy to maintain, especially suitable for big straight
Diameter nut anti-looseness, because major diameter nut is generally used for bearing the components fastening of heavy load, and require installation prefastening torque it is big,
Long-time continuous operation does not loosen, is convenient for disassembly and assembly, higher to locking requirement, and the present invention can meet its requirement very well, and
Size between major diameter nut inner hole and outer wall is larger, and the installation space of bolt is more abundant, installs this nut anti-looseness on it
Structure operation is more easier, and has preferable promotional value.
In addition, connector is bolt in a kind of nut and nut locking structure with anti-loose structure described above, when two
When partial hole is perforative through-hole, stud here be also it is feasible, as long as meeting installation requirements, stud is passed through
Through-hole, strip-shaped hole in a part and the through-hole on another part, then stud both ends setting with the matched nut of stud,
Tightening nuts, so that nut is occurred micro-deformation and drawn close by two parts that strip-shaped hole is divided into.
Finally, it should be noted that the above embodiment of the present invention is only example to illustrate the invention, and it is not
It is the restriction to embodiment of the present invention.For those of ordinary skill in the art, on the basis of the above description also
Other various forms of variations and variation can be made.Here all embodiments can not be exhaustive.It is all to belong to this
The technical solution changes and variations that derived from of invention are still in the scope of protection of the present invention.
Claims (6)
1. a kind of nut with anti-loose structure, which is characterized in that be equipped on the circumferencial direction of nut and run through nut inside and outside wall
Strip-shaped hole, strip-shaped hole corresponds to the angle of segmental arc less than 180 °, thus in the axial direction by this corresponding partial nut wall of strip-shaped hole
It is divided into two parts；The two parts by connector connect so that nut in the operating condition two parts can phase enantiotropy and lean on
Hold together.
2. the nut according to claim 1 with anti-loose structure, which is characterized in that the strip-shaped hole is located at nut axial direction
It is equal to be divided into the thickness of two-part nut wall in the axial direction by strip-shaped hole for intermediate position.
3. the nut according to claim 1 with anti-loose structure, which is characterized in that the connector is bolt, by item
It is the logical of perforation that shape hole, which is divided into the connecting hole being respectively equipped on axial connecting hole, a portion on two-part nut wall,
Hole, the connecting hole on another part are threaded hole, and the screw rod of bolt is successively passed into threaded hole and and spiral shell from through-hole, strip-shaped hole
Pit is threadedly coupled, and the head of bolt is close to the outer end face of part nut corresponding to through-hole.
4. the nut according to claim 3 with anti-loose structure, which is characterized in that be arranged with washer on bolt, pad
Circle is positioned at bolt head and between the outer end face of part nut corresponding to through-hole and is compacted.
5. the nut according to claim 1 with anti-loose structure, which is characterized in that the connector is identical two
Group.
6. a kind of nut locking structure, which is characterized in that including the nut being connected on axle thread, the nut is claim
Any nut with anti-loose structure of 1-5, two parts that nut is divided by strip-shaped hole are mutual under the connection of connector
It deforms and draws close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320186.3A CN109139664A (en) | 2018-11-07 | 2018-11-07 | A kind of nut and nut locking structure with anti-loose structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811320186.3A CN109139664A (en) | 2018-11-07 | 2018-11-07 | A kind of nut and nut locking structure with anti-loose structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109139664A true CN109139664A (en) | 2019-01-04 |
Family
ID=64807949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811320186.3A Pending CN109139664A (en) | 2018-11-07 | 2018-11-07 | A kind of nut and nut locking structure with anti-loose structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139664A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007064283A (en) * | 2005-08-30 | 2007-03-15 | Katsuhiro Ouchi | Female screw body |
| JP2011033047A (en) * | 2009-07-29 | 2011-02-17 | Hiroshi Kakimoto | Lock nut and fastening structure thereof |
| CN107524685A (en) * | 2017-09-29 | 2017-12-29 | 贵州新安航空机械有限责任公司 | A kind of stop nut |
| CN207989491U (en) * | 2018-03-27 | 2018-10-19 | 毕书鹏 | Stop nut and locking gear and retention device |
-
2018
- 2018-11-07 CN CN201811320186.3A patent/CN109139664A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007064283A (en) * | 2005-08-30 | 2007-03-15 | Katsuhiro Ouchi | Female screw body |
| JP2011033047A (en) * | 2009-07-29 | 2011-02-17 | Hiroshi Kakimoto | Lock nut and fastening structure thereof |
| CN107524685A (en) * | 2017-09-29 | 2017-12-29 | 贵州新安航空机械有限责任公司 | A kind of stop nut |
| CN207989491U (en) * | 2018-03-27 | 2018-10-19 | 毕书鹏 | Stop nut and locking gear and retention device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201908932U (en) | Self-locking locknut assembly | |
| Bhattacharya et al. | An investigation on the anti-loosening characteristics of threaded fasteners under vibratory conditions | |
| CN201170251Y (en) | Anti-vibration anti-loose self-locking thread fastener | |
| CN203809477U (en) | Eccentric loose preventing nut | |
| CN1987134A (en) | Thread connection anti-loose fastener | |
| CN205715164U (en) | Self-locking type check bolt assembly | |
| CN102654156B (en) | Novel locking fastener | |
| CN200985940Y (en) | Screwed connection anti-loose fastener | |
| CN113669351A (en) | Anti-loosening thread pair | |
| CN202149125U (en) | Self-locking locknut assembly | |
| CN203809476U (en) | Eccentric self-locking stop nut | |
| CN209638208U (en) | A kind of anti-loosening screw fastener | |
| CN211820332U (en) | Composite locknut | |
| CN109139664A (en) | A kind of nut and nut locking structure with anti-loose structure | |
| CN102852952A (en) | Thread positioning locking mechanism and mounting method | |
| CN111173830A (en) | Composite locknut | |
| CN204061494U (en) | Shockproof locking Self-locking screw and shockproof loosening-preventing self-lock screw-thread fastener assembly | |
| CN208153521U (en) | Check bolt nut structure assembly | |
| CN206723229U (en) | A kind of Anti-loosening nut | |
| CN213870623U (en) | Anti-seismic anti-loosening screw | |
| CN206682131U (en) | A kind of auxiliary connection of the locking nut with memorial alloy ring | |
| CN109185321A (en) | A kind of pairs of anti-loose nut bolt group and its operating method with elastic bumps nut and annular groove nut composition | |
| CN201810634U (en) | Fastening threaded device | |
| CN204175761U (en) | A kind of finishing mill umbrella gear box flanged surface screw locking structure | |
| CN209067641U (en) | A kind of pairs of anti-loose nut bolt group with elastic bumps nut and annular groove nut composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190104 |
|
| RJ01 | Rejection of invention patent application after publication |