CN206972737U - A kind of Hexagon Locking-Nuts with Flange and the latch assembly using the nut - Google Patents
A kind of Hexagon Locking-Nuts with Flange and the latch assembly using the nut Download PDFInfo
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- CN206972737U CN206972737U CN201620966820.0U CN201620966820U CN206972737U CN 206972737 U CN206972737 U CN 206972737U CN 201620966820 U CN201620966820 U CN 201620966820U CN 206972737 U CN206972737 U CN 206972737U
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Abstract
The utility model provides a kind of Hexagon Locking-Nuts with Flange and the latch assembly using the nut, Hexagon Locking-Nuts with Flange includes being internally threaded the section of through hole in the nut body of regular hexagon, one end of nut body is provided with flange face, by being formed positioned at the tooth bottom side at tooth bottom and the crest side surfaces between crest and tooth bottom side, the angle of the axis of tooth bottom side and tapped through hole is less than the angle of the axis of crest side surfaces and tapped through hole for the tooth form side of thread the same side of the tapped through hole internal thread.The beneficial effects of the utility model are：Tooth bottom side with normal force caused by the externally threaded crest touching position of bolt compared with the angle of the axis of tapped through hole no tooth bottom side and during only crest side surfaces it is big, therefore locking frictional force caused by is bigger, so that close be less prone to is coordinated to release, realize self-locking, closing-in structure need not be set, thoroughly solve the problems, such as to need to set closing-in structure and cause easily cracked in the prior art.
Description
Technical field
It the utility model is related to a kind of Hexagon Locking-Nuts with Flange and the latch assembly using the nut.
Background technology
Hexagon nut with flange is connected or needed on the workpiece for increasing nut contact surface with pipeline mostly, hexagonal flange
Face nut includes being internally threaded the section of through hole in the nut body of regular hexagon, and one end of nut body is provided with flange
Face, the size and thread gage lattice of it and conventional hexagonal nut are essentially identical, and difference is, it is packing ring i.e. flange face and spiral shell
Mother is integral type, and anti-skidding groove is provided with flange face, so as to increase the contact surface area of nut and workpiece,
Compared to the combination of plain nut cushioning circle, its pulling force is bigger, more firm.
General common hexagon nut with flange specification is substantially all in below M20, because most of hexagon nut with flange
All it is used on pipeline and ring flange, so by work-piece constraint, its specification will be lacked compared with plain nut.Due to hexagonal method
The design feature of blue face nut, therefore when being used cooperatively with bolt, must in order to reach good self-locking effect, prevent from loosening
Closing-in structure must be set to be deformed screwed hole by extruding the form of hex surface.Specification is not more than M6 hexagonal at this stage
Flange surface nut closes up to be flattened using 2 points, and specification, which is more than M8, must use 3 points of extruding forms, during closing in is flattened,
Internal thread is easy to crack when needing the seaming tool of complex designing, and deforming, and this will largely effect on the usability of nut
Energy.Meanwhile closing in is easily leaked during product production in enormous quantities, otherwise easily cause mechanical thing so 100% must be carried out and visually picked
Therefore.In addition after closing in, nut produces very big frictional force during installation is screwed into bolt, coating can be caused to come off,
Fifth wheel is formed in casing, is polluted.
Utility model content
The purpose of this utility model is to provide a kind of Hexagon Locking-Nuts with Flange that need not set closing-in structure, with solution
The problem of certainly needing to set closing-in structure to cause hexagon nut with flange easily cracked to realize self-locking in the prior art；This
The purpose of utility model, which also resides in, provides a kind of latch assembly using the Hexagon Locking-Nuts with Flange.
In order to solve the above-mentioned technical problem, the technical scheme of Hexagon Locking-Nuts with Flange is in the utility model：
A kind of Hexagon Locking-Nuts with Flange, including the section of through hole is internally threaded in the nut sheet of regular hexagon
Body, one end of nut body are provided with flange face, the tooth form side of thread the same side of the tapped through hole internal thread by positioned at
The axis of the tooth bottom side at tooth bottom and the crest side surfaces composition between crest and tooth bottom side, tooth bottom side and tapped through hole
Angle be less than crest side surfaces and tapped through hole axis angle.
The angle of the axis of tooth bottom side and tapped through hole is 30 degree, and the angle of the axis of crest side surfaces and tapped through hole is
60 degree.
The both ends of the tapped through hole are provided with chamfering.
The radially projecting connection that smoothly transitted between nut body, nut body and flange face of the flange face.
The flange face and nut body are formed in one, and the other end of the nut body away from flange face is provided with down
Fillet.
The technical scheme of latch assembly is in the utility model：
A kind of latch assembly, including bolt and the Hexagon Locking-Nuts with Flange that is connected with bolt, hexagonal flange self-locking
Nut includes being internally threaded the section of through hole in the nut body of regular hexagon, and one end of nut body is provided with flange
Face, the tooth form side of thread the same side of the tapped through hole internal thread is by the tooth bottom side positioned at tooth bottom and positioned at crest and tooth
The angle of the axis of crest side surfaces composition between bottom side, tooth bottom side and tapped through hole is less than crest side surfaces and tapped through hole
Axis angle.
The angle of the axis of tooth bottom side and tapped through hole is 30 degree, and the angle of the axis of crest side surfaces and tapped through hole is
60 degree.
The both ends of the tapped through hole are provided with chamfering.
The radially projecting connection that smoothly transitted between nut body, nut body and flange face of the flange face.
The flange face and nut body are formed in one, and the other end of the nut body away from flange face is provided with circle
Angle.
The beneficial effects of the utility model are：In use, nut body upper tapped through hole internal thread and bolt it is outer
Screw thread is engaged, because tooth form side is made up of tooth bottom side and crest side surfaces, and the axis of tooth bottom side and tapped through hole
Angle is less than the angle of the axis of crest side surfaces and tapped through hole, so connects in tooth bottom side with the externally threaded crest of bolt
Normal force caused by synapsis compared with the angle of the axis of tapped through hole no tooth bottom side and it is big during only crest side surfaces, because
This nut body be engaged with bolt caused by locking frictional force it is big, this to coordinate between nut body and respective bolt tight
It is close to be not easy to release, that is to say, that self-locking is achieved that when nut body is engaged with bolt, it is not necessary to which that extra is locking
Measure, i.e., need not set closing-in structure, and thoroughly solving needs to set closing-in structure to cause six to realize self-locking in the prior art
The problem of angle flange face nut is easily cracked.
Brief description of the drawings
Fig. 1 is the structural representation of the Hexagon Locking-Nuts with Flange in one embodiment of latch assembly in the utility model
Figure；
Fig. 2 is Fig. 1 left view；
Fig. 3 is that the internal thread of Hexagon Locking-Nuts with Flange engages amplification with the externally threaded of bolt in the utility model
Figure；
Fig. 4 engages enlarged drawing for the internal thread of hexagon nut with flange in the prior art with the externally threaded of bolt.
In figure：1. nut body；2. flange face；3. chamfering；4. fillet；5. tapped through hole；6. bolt；7. tooth bottom side；
8. crest side surfaces.
Embodiment
The implementation of latch assembly is for example shown in Fig. 1 ~ Fig. 3, including bolt 6 and the hexagonal flange self-locking that is connected with bolt 6
Nut, Hexagon Locking-Nuts with Flange include being internally threaded the section of through hole 5 in the nut body 1 of regular hexagon, screw thread
The both ends of through hole 5 are provided with chamfering 3, and convenience is used cooperatively with bolt 6.One end of nut body 1 is provided with flange face 2,
Nut body 1 and flange face 2 are formed in one, and the other end of the nut body 1 away from flange face 2 is provided with fillet 4.Nut body
Smoothly transit connection between 1 and flange face 2, and flange face 2 is radially projecting to be more than spiral shell in nut body 1, the i.e. external diameter of flange face 2
The maximum radial dimension of maternal body 1, ensure that the contact area with part to be connected.
The tooth form side of thread the same side of the internal thread of tapped through hole 5 is by the tooth bottom side 7 positioned at tooth bottom and positioned at crest
Crest side surfaces 8 between tooth bottom side 7 form, and the angle of tooth bottom side 7 and the axis of tapped through hole 5 is less than crest side surfaces 8
With the angle of the axis of tapped through hole 5, in this embodiment, the angle of tooth bottom side 7 and the axis of tapped through hole 5 is 30 degree,
Crest side surfaces 8 and the angle of the axis of tapped through hole 5 are 60 degree.
In use, passing through part to be connected using common bolt 6, Hexagon Locking-Nuts with Flange is then screwed in into bolt 6
On, flange face 2 is close to part to be connected.When bolt 6 and Hexagon Locking-Nuts with Flange are tightened, the externally threaded crest of bolt 6
Tightly withstand on tooth bottom side 7, so in normal direction caused by the externally threaded crest touching position of tooth bottom side 7 and bolt 6
The angle of the axis of power and tapped through hole 5 is exactly 60 degree, compared with prior art in when there is no tooth bottom side and only crest side surfaces,
As shown in figure 4, the angle is only 30 degree, thus nut body 1 be engaged with bolt 6 caused by locking frictional force it is bigger, this
Closely it is not easy to release so that between nut body 1 and bolt 6 coordinating.That is, nut body 1 matches with bolt 6
Self-locking is achieved that during conjunction, it is not necessary to extra locking measures, i.e., closing-in structure need not be set, thoroughly solved in the prior art
The problem of closing-in structure need to be set to realize self-locking and cause hexagon nut with flange easily cracked, and the knot that closes up is set
The problem of seaming tool of complex designing is needed during structure, and then also just solve when setting closing-in structure back nut and the bolt to coordinate
Cause coating to come off, pollute the problem of casing, at the same also solve need artificial visual to pick to prevent leak-stopping close up caused by
The problem of low production efficiency, big labor intensity.
Meanwhile the auto-lock function of Hexagon Locking-Nuts with Flange is to lean on the tooth for being 30 degree with the angle of the axis of tapped through hole
Bottom side is realized, compared with rely on the closing-in structure of elastic deformation in the prior art, the tooth bottom side that directly processes
Stability is higher, is not susceptible to deformation failure, therefore can stablize the locking torque for keeping bolt when being screwed into, and extends hexagonal
The service life of flange face self-locking nut, it is reusable.
In the other embodiment of latch assembly：The angle of the axis of tooth bottom side and tapped through hole can not be 30 degree,
The angle of the axis of crest side surfaces and tapped through hole may not be 60 degree, as long as the folder of the axis of tooth bottom side and tapped through hole
Angle is less than the angle of the axis of crest side surfaces and tapped through hole.
The implementation of Hexagon Locking-Nuts with Flange is for example shown in Fig. 1 ~ Fig. 3, the concrete structure of Hexagon Locking-Nuts with Flange
It is identical with the Hexagon Locking-Nuts with Flange described in above-mentioned latch assembly embodiment, it will not be described in detail herein.
Claims (8)
1. a kind of Hexagon Locking-Nuts with Flange, including it is in the nut body of regular hexagon to be internally threaded the section of through hole,
One end of nut body is provided with flange face, it is characterised in that：The tooth form side of thread the same side of the tapped through hole internal thread
By being formed positioned at the tooth bottom side at tooth bottom and the crest side surfaces between crest and tooth bottom side, tooth bottom side leads to screw thread in face
The angle of the axis in hole is less than the angle of the axis of crest side surfaces and tapped through hole, the folder of the axis of tooth bottom side and tapped through hole
Angle is 30 degree, and the angle of the axis of crest side surfaces and tapped through hole is 60 degree, when bolt and Hexagon Locking-Nuts with Flange are tightened
When, the externally threaded crest of bolt is tightly withstood on tooth bottom side, so in tooth bottom side and the externally threaded crest of bolt
The angle of the axis of normal force caused by touching position and tapped through hole is exactly 60 degree.
2. Hexagon Locking-Nuts with Flange according to claim 1, it is characterised in that：The both ends of the tapped through hole are all provided with
It is equipped with chamfering.
3. Hexagon Locking-Nuts with Flange according to claim 1, it is characterised in that：The flange face it is radially projecting in
Nut body, smoothly transit connection between nut body and flange face.
4. Hexagon Locking-Nuts with Flange according to claim 1, it is characterised in that：The flange face and nut body are
It is integrally formed, the other end of the nut body away from flange face is provided with rounding.
5. a kind of latch assembly, including bolt and the Hexagon Locking-Nuts with Flange that is connected with bolt, hexagonal flange self-locking spiral shell
Main bag includes the nut body for being internally threaded the section of through hole in regular hexagon, and one end of nut body is provided with flange face,
It is characterized in that：The tooth form side of thread the same side of the tapped through hole internal thread is by the tooth bottom side positioned at tooth bottom and is located at
Crest side surfaces composition between crest and tooth bottom side, the angle of the axis of tooth bottom side and tapped through hole be less than crest side surfaces with
The angle of the axis of the angle of the axis of tapped through hole, tooth bottom side and tapped through hole is 30 degree, crest side surfaces and tapped through hole
The angle of axis be 60 degree, when bolt and Hexagon Locking-Nuts with Flange are tightened, the externally threaded crest of bolt is tightly
Withstand on tooth bottom side, so lead in normal force caused by the externally threaded crest touching position of tooth bottom side and bolt with screw thread
The angle of the axis in hole is exactly 60 degree.
6. latch assembly according to claim 5, it is characterised in that：The both ends of the tapped through hole are provided with chamfering.
7. latch assembly according to claim 5, it is characterised in that：The flange face is radially projecting in nut body,
Smoothly transit connection between nut body and flange face.
8. latch assembly according to claim 5, it is characterised in that：The flange face and nut body are formed in one,
The other end of the nut body away from flange face is provided with fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620966820.0U CN206972737U (en) | 2016-08-29 | 2016-08-29 | A kind of Hexagon Locking-Nuts with Flange and the latch assembly using the nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620966820.0U CN206972737U (en) | 2016-08-29 | 2016-08-29 | A kind of Hexagon Locking-Nuts with Flange and the latch assembly using the nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972737U true CN206972737U (en) | 2018-02-06 |
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ID=61413165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620966820.0U Active CN206972737U (en) | 2016-08-29 | 2016-08-29 | A kind of Hexagon Locking-Nuts with Flange and the latch assembly using the nut |
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| Country | Link |
|---|---|
| CN (1) | CN206972737U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847328A (en) * | 2021-10-14 | 2021-12-28 | 东风汽车紧固件有限公司 | Thickened hexagonal flange face nut |
-
2016
- 2016-08-29 CN CN201620966820.0U patent/CN206972737U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847328A (en) * | 2021-10-14 | 2021-12-28 | 东风汽车紧固件有限公司 | Thickened hexagonal flange face nut |
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