CN106594028A - Double-nut screw type fixed connector based on pulling and expanding elastic deformation - Google Patents
Double-nut screw type fixed connector based on pulling and expanding elastic deformation Download PDFInfo
- Publication number
- CN106594028A CN106594028A CN201611268385.5A CN201611268385A CN106594028A CN 106594028 A CN106594028 A CN 106594028A CN 201611268385 A CN201611268385 A CN 201611268385A CN 106594028 A CN106594028 A CN 106594028A
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- Prior art keywords
- swelling
- screw
- screw rod
- expansion sleeve
- nut
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- 230000005489 elastic deformation Effects 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000008961 swelling Effects 0.000 claims description 89
- 230000009471 action Effects 0.000 claims description 22
- 230000000916 dilatatory effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 241001397306 Proales Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding 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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
Abstract
A double-nut screw type fixed connector based on pulling and expanding elastic deformation comprises an expansion screw, an expansion sleeve, an expansion nut and an expansion sleeve nut. The expansion screw is provided with a screw operation end with an outer thread structure and a screw expansion end. The screw expansion end is in a frustum shape. The expansion sleeve is provided with a sleeve operation end with an outer thread structure and a sleeve expanding end. The sleeve expanding end is in a frustum shape, so that the sleeve expanding end corresponds to the screw expansion end, the screw expansion end is contained in the sleeve expansion end, the sleeve operation end corresponds to the screw operation end, and the screw operation end is contained in the sleeve operation end. The expansion sleeve is provided with at least two grooves and arranged at the sleeve expanding end, the expansion sleeve nut is in screw joint to the outer thread mechanism of the sleeve operation end, and the expansion nut is in screw joint to the outer thread mechanism of the screw operation end.
Description
Technical field
The present invention relates to a kind of double nut screw fixed connection device, belongs to engineering machinery technical scope, more particularly, to
A kind of double nut screw fixed connection device based on auxetic elastic deformation.
Background technology
Fixed connection device is widely used in various engineering machinery and engineering construction, existing various machineries in prior art
Mode is fixedly connected, releasable connection and non-disconnectable connection are divided into according to its dismoutability again, releasable connection includes bolt connection, is bonded
Connect, pin connection etc., non-disconnectable connection includes rivet interlacement, welding, splicing etc., and the excellent and defect of these connected modes is respectively not yet
Identical, the defect of more generally existing is that complex operation, connection reliability be poor, have the phenomenons such as loosening after connection.
The principle of common expansion bolt is the Kong Zhonghou that expansion bolt is got on ground or metope, and screw up with a wrench expansion
Nut on bolt, bolt walks toward outside, and the metallic sheath of outside is motionless, and then, the major part under screw rod just rises by metallic sheath
Open so as to which the whole hole of overflow, now, expansion bolt just can't pump out.But expansion sleeve is subject to after the crimp of screw rod
Cannot voluntarily recover, just because of sleeve pipe cannot take out, directly resulting in expansion bolt cannot take out.Therefore common expansion bolt is installed
After be difficult to extract, easily damage body of wall, and the expansion bolt is subject to gross distortion, not reproducible utilization.
Different from above-mentioned connected mode, another kind of special threaded connector --- swelling screw rod, swelling nut, expansion sleeve
With expansion sleeve nut, it is capable of achieving to be reliably connected, is difficult to loosen after connection.There is an outward taper swelling screw rod one end, another
End offers the screw thread with chamfering, and swelling nut driving is on the screw rod.Expansion sleeve is enclosed within swelling screw rod, and its inner surface is carried
With swelling screw rod taper identical one end and swelling screw rod closely patch and, and meet self-locking.When using, electric impact drill must be first used
(hammer) gets out the hole of corresponding size on fixed body, then in expansion sleeve, swelling screw rod load hole, tightening nut can make spiral shell
Swelling between bar, expansion sleeve, installed part and fixed body is integrally formed, and convenient taking-up, is capable of achieving recycling.Therefore, this
It is bright that a kind of double nut screw fixed connection device based on auxetic elastic deformation is provided, to solve the above problems.
The content of the invention
It is an object of the invention to provide one kind can just make attached article and connected object quick by simple action
And easily connect and separate, and will not occur to slide with gapless between simple and compact for structure, connector, after installing, it is tight
Gu power is strong, easy processing, good economy performance and the reusable double nut screw based on auxetic elastic deformation are fixedly connected
Device.
In order to achieve the above object, the present invention provides a kind of double nut screw based on auxetic elastic deformation and is fixedly connected
Device, wherein should be based on double nut screw fixed connection device of auxetic elastic deformation include swelling screw rod, expansion sleeve,
One swelling nut and an expansion sleeve nut, the swelling screw rod has a screw action end and a screw rod swelling
End, the screw action end and the screw rod swelling end are mutually corresponded to define the length of the swelling screw rod, and the screw action end is provided with
External thread structure, the screw rod swelling end be in taper type, and the radius in the section at the screw rod swelling end from the screw action end to
Increase successively outward, the expansion sleeve has a body operating side and a body expanding end, the body operating side and the body
Expanding end is mutually corresponded to define the length of the expansion sleeve, and the body operating side is provided with external thread structure, and the body expanding end is in
Taper type, and the radius in the section of the body expanding end outwards increases successively from the body operating side, so that the set volume expansion
End is corresponding to the screw rod swelling end and the screw rod swelling end is contained in the body expanding end, and the body operating side corresponds to the screw rod
Operating side and the screw action end are contained in the body operating side, and the expansion sleeve has at least two grooves, the expansion sleeve each
Groove is arranged on the body expanding end, and each groove extends from the body expanding end to the body operation extreme direction, the expansion sleeve
Nut is bolted in the external thread mechanism of the body operating side, and the swelling nut is bolted in the external thread mechanism at the screw action end,
And the swelling nut makes the screw rod swelling end of the swelling screw rod from the body expanding end to the body operation extreme direction movement,
So that each groove of the body expanding end and dilatancy.
As the further preferred of the double nut screw fixed connection device that should be based on auxetic elastic deformation to the present invention
Embodiment, the distance between the two neighboring groove of the expansion sleeve is equal.
As the further preferred of the double nut screw fixed connection device that should be based on auxetic elastic deformation to the present invention
Embodiment, the expansion sleeve have four grooves.
The present invention's should be based on another technology that the double nut screw fixed connection device of auxetic elastic deformation is taken
Scheme is：A kind of double nut screw fixed connection device based on auxetic elastic deformation is by swelling screw rod, swelling nut, swelling
Set, and expansion sleeve nut composition.
The swelling screw rod one end is the thread segment with chamfering, and the other end is the cone angle with certain taper.
The swelling nut outer surfaces are the nut of hexagonal, and its inner surface coordinates with swelling screw flight section.
It is threaded in the expansion sleeve outer surface one end, inner surface is a through hole, be able to be coordinated with swelling screw rod.Its is another
End inner surface is carried and swelling screw rod identical taper, and is fitted close with the swelling screw rod conical section, and meets self-locking work(
Energy.The expansion sleeve outer surface symmetrically opens up four bar grooves of certain length, is averaged and is divided into pintongs.
The expansion sleeve nut is hexagon with outer surface, and inner surface is fitted close with the expansion sleeve threaded portion.
Should be based on auxetic elastic deformation double nut screw fixed connection device install with during dismounting using needle-nose plierss and
Expansion spanner.When the double nut screw fixed connection device based on auxetic elastic deformation is installed, first needle-nose plierss are clipped in into this swollen
On tight set nut, the expansion sleeve nut is tightened, then expansion spanner is arranged on into the swelling nut end, clamping force acts on swelling
On spanner, you can promote the swelling screw rod and the expansion sleeve forward, the expansion sleeve expansion is made, elastic deformation occurs, and it is swollen with this
Tight screw rod is fixed on together on body of wall, and the axial friction that radial direction expanding force and hole wall are produced is used to carry.After installing, i.e.,
Expansion spanner can be taken out.During dismounting, it is clipped on the expansion sleeve nut with needle-nose plierss, unscrews the expansion sleeve nut, swelling is pulled
Handss are mounted in respectively the end of the swelling nut again, then pull out expansion spanner, and the expansion sleeve recovers shape, the swelling spiral shell
Bar and the expansion sleeve are then exited in succession.
When installing the double nut screw fixed connection device based on auxetic elastic deformation, when the swelling screw rod and the swelling
When set axle is compressed mutually, certain contact pressure and stiction are produced on the contact conical surface, and the purpose of fastening is reached by it.
The present invention should be based on auxetic elastic deformation double nut screw fixed connection device beneficial effect be：
1st, the double nut screw fixed connection device that should be based on auxetic elastic deformation of the invention is provided with expansion spanner, is used for
The installation and dismounting of the double nut screw fixed connection device of auxetic elastic deformation should be based on, it is simple rapid, improve work effect
Rate, and avoid to the damage based on the double nut screw fixed connection device itself of auxetic elastic deformation, significantly improve
The service life of the double nut screw fixed connection device of auxetic elastic deformation should be based on.
2nd, plain bolt is tightened with nut, pulls out screw rod, and nut affects outside attractive in appearance, and this of the present invention is based on
The double nut screw fixed connection device of auxetic elastic deformation is to adopt directly to advance the swelling screw rod, makes expansion sleeve expansion,
So as to lock.
3rd, the expansion sleeve of the double nut screw fixed connection device that should be based on auxetic elastic deformation of the invention is in expansion
During only there is elastic deformation, employing can quickly recover to the spring steel material of original shape, it is ensured that the expansion sleeve it is quick extensive
It is multiple, it is ensured that the effect before dismounting, work efficiency is improve, and make entirely be based on the double nut screw of auxetic elastic deformation
Fixed connection device is repeatable to be utilized.
4th, the double nut screw fixed connection device simple structure that should be based on auxetic elastic deformation of the invention, machinability
It is good, only by the swelling screw rod, the swelling nut, the expansion sleeve and the part of expansion sleeve nut four composition.
5th, of the invention two change double nut screw fixed connection device connection based on auxetic elastic deformation it is stable, firm,
Reliably, it is difficult to loosen, realizes quick connection, the demand of sharp separation.
6th, the double nut screw fixed connection device that should be based on auxetic elastic deformation of the invention provides fixed connector
Complete principle and method of design, can as needed design the fixed connection device of different size.
Description of the drawings
In order to obtain the above and other advantage and feature of the present invention, hereinafter with reference to the tool of the invention shown in accompanying drawing
Body embodiment carries out more specific description to the present invention outlined above.It should be understood that these accompanying drawings illustrate only the present invention
Exemplary embodiments, therefore be not construed as limiting the scope of the present invention, by using accompanying drawing, the present invention will be carried out more
Concrete and more detailed description and elaboration.In the accompanying drawings：
Fig. 1 is the front view based on the double nut screw fixed connection device of auxetic elastic deformation.
Fig. 2 is the front view based on the swelling screw rod of the double nut screw fixed connection device of auxetic elastic deformation.
Fig. 3 is the sectional view based on the expansion sleeve of the double nut screw fixed connection device of auxetic elastic deformation.
Fig. 4 is the sectional view based on the double nut screw fixed connection device of auxetic elastic deformation.
Fig. 5 is the structural representation in the expanded state of the double nut screw fixed connection device based on auxetic elastic deformation
Figure.
Fig. 6 is the force analysis figure based on the double nut screw fixed connection device of auxetic elastic deformation.
Specific embodiment
Hereinafter describe for disclosing the present invention so that those skilled in the art can realize the present invention.It is excellent in below describing
Embodiment is selected to be only used as citing, it may occur to persons skilled in the art that other obvious modifications.Define in the following description
Ultimate principle of the invention can apply to other embodiments, deformation program, improvement project, equivalent and without the back of the body
From the other technologies scheme of the spirit and scope of the present invention.
Such as Fig. 1 to Fig. 6, according to the spirit of the present invention a kind of double nut screw based on auxetic elastic deformation is provided
Fixed connection device, should wherein be based on the double nut screw fixed connection device of auxetic elastic deformation includes a swelling screw rod 1,
3, swelling nut 2 of individual expansion sleeve and an expansion sleeve nut 4.
The swelling screw rod 1 has a screw action end 11 and a screw rod swelling end 12, the He of screw action end 11
The mutually corresponding length to define the swelling screw rod 1 in the screw rod swelling end 12, the screw action end 11 is provided with external thread structure, should
Screw rod swelling end 12 outwards increases successively in taper type, and the radius in the section at the screw rod swelling end 12 from the screw action end 11
Greatly.
The expansion sleeve 3 has a body operating side 31 and a body expanding end 32, the body operating side 31 and should
The mutually corresponding length to define the expansion sleeve 3 of body expanding end 32, the body operating side 31 is provided with external thread structure, the body
Expanding end 32 outwards increases successively in taper type, and the radius in the section of the body expanding end 32 from the body operating side 31,
So that the body expanding end 32 is corresponding to the screw rod swelling end 12 and the screw rod swelling end 12 is contained in the body expanding end 32, should
Body operating side 31 is corresponding to the screw action end 11 and the screw action end 11 is contained in the body operating side 31.The expansion sleeve
3 have at least two grooves 33, and each groove 33 of the expansion sleeve is arranged on the body expanding end 32, and each groove 33 from the body
Expanding end 32 to the direction of body operating side 31 extends.Preferably, the distance between two neighboring groove 33 of the expansion sleeve 3 phase
Deng.It is highly preferred that the expansion sleeve 3 has four grooves 33.
The expansion sleeve nut 4 is bolted in the external thread mechanism of the body operating side 31, and the swelling nut 2 is bolted in the screw rod
The external thread mechanism of operating side 11.
Such as Fig. 4 to Fig. 6, when the double nut screw fixed connection device based on auxetic elastic deformation is installed, by the base
In the double nut screw fixed connection device of auxetic elastic deformation an attached article 5 is positioned over another attached article 6
Mutually in corresponding connecting hole, the body expanding end 32 for then making the expansion sleeve 3 expands, you can by the attached article 5 and should
Attached article 6 interconnects.
Specifically, when the double nut screw fixed connection device based on auxetic elastic deformation is installed, first should
Swelling screw rod 1 is inserted in the expansion sleeve 3, so that the screw action end 11 corresponds to the body operating side 31, and screw rod behaviour
Make end 11 and protrude from the body operating side 31, and make the screw rod swelling end 12 correspond to the body expanding end 32.It is again that this is swollen
Tight nut 2 is bolted in the external thread mechanism at the screw action end 11, and the expansion sleeve nut 2 is bolted in into the body operating side 31
External thread structure.The double nut screw fixed connection device that should be based on auxetic elastic deformation in assembled state is installed on
In the connecting hole of the attached article 5 and the attached article 6, first needle-nose plierss are clipped on the external thread structure of the expansion sleeve 3, are tightened
The expansion sleeve nut 4, then expansion spanner is arranged on the swelling nut 2, you can promote the swelling screw rod 1 to carry out forward, make
The cone angle of the swelling screw rod 1 coordinates with the cone angle of the expansion sleeve 3, i.e. make the screw rod swelling end 12 enter into the body expanding end
32, expanded with causing the body expanding end 32 to produce elastic deformation, so that the body expanding end 32 and the He of attached article 5
The inwall swelling of the attached article 6 and produce frictional force, to connect the attached article 5 and the attached article 6.
When the double nut screw fixed connection device based on auxetic elastic deformation is dismantled, with needle-nose plierss the swelling is clipped in
On the external thread mechanism of set 3, unscrew the expansion sleeve nut 4, then expansion spanner is mounted on the swelling nut 2, this is pulled out backward swollen
Spanner, the expansion sleeve 3 then restores to the original state, then the swelling screw rod 1 and the expansion sleeve 3 can be exited in succession.
The double nut screw fixed connection device that auxetic elastic deformation should be based on of the present invention is according to the mechanics of materials and theory
The principle of mechanics, analyzes in 2 stages based on the double nut screw fixed connection device of auxetic elastic deformation are installed, should
The different stressing conditions of swelling screw rod 1 and the expansion sleeve 3, and the double nut screw rod based on auxetic elastic deformation is derived with this
The design size of formula fixed connection device.
After advancing the swelling screw rod 1, there is elastic deformation, internal diameter increase in the expansion sleeve 3, in being connected in connecting hole, this is swollen
Axially there is self-locking in tight set 3, the double nut screw fixed connection device that should be based on auxetic elastic deformation is steady with the swelling screw rod 1
Admittedly coupled the attached article 5 and the attached article 6.
The radial clearance for assuming the expansion sleeve 3 and the attached article 5 and the attached article 6 is Δ, the length of the expansion sleeve 3
For l, the thrust acted on the swelling screw rod 1 is P, between the expansion sleeve 3 and the swelling screw rod 1 and the attached article inner hole surface
Coefficient of friction be respectively μ1、μ2, inclined-plane cone angle should be based on the installation of the double nut screw fixed connection device of auxetic elastic deformation
After good, the axial compression power between the expansion sleeve 3 and expansion spanner is T.Actual connecting length of length l by needed for the attached article
Determine, the double nut screw that should be based on auxetic elastic deformation of different model can be designed according to the length difference of required l
Fixed connection device, the size of P is relevant with the material of the load and connecting hole fixed, coefficientoffrictionμ1、μ2Value by selected materials
It is determined that, the big I designed, designed of taper angle theta, but inclined-plane condition of self-locking (i.e. θ≤tan μ need to be met2), the size of required P can be with root
The condition installed according to the double nut screw fixed connection device based on auxetic elastic deformation determines, and the expansion sleeve 3 and is connected
Radial compression power N between part2It is relevant.Then for the double nut screw that should be based on auxetic elastic deformation installed under certain operating mode is consolidated
Determine adapter, above-mentioned l, μ1、μ2、θ、N2It is known conditions.
The part of the longitudinal section and the swelling screw rod 1 being in contact with it that take the expansion sleeve 3 carries out force analysis.
First stage：The entrance process of the swelling screw rod 1, the expansion sleeve 3 starts to be contacted with connector.For the swelling spiral shell
Bar 1：
Axial P=N1sinθ+f1cosθ (1)
f1=μ1N1 (2)
For the expansion sleeve 3：
Axial T+f2=f1cosθ+N1sinθ (3)
Radial direction N2+f1Sin θ=N1cosθ (4)
f2=μ2N2 (5)
Wherein, N1、f1, be respectively contact pressure between the expansion sleeve 3 and the swelling screw rod 1 and force of sliding friction；N2、
f2Contact pressure, force of sliding friction respectively between the expansion sleeve 3 and connector.
Simultaneous equations (2), (3), (4), (5), due to N2Size it is relevant with institute loaded size, load is big, then N2
Greatly, little then N is loaded2It is little, the N during analysis2For known quantity, the then T that can be asked by simultaneous equations and N1.Again N1Bring into
To in equation (1), then the size of the P for asking.
Wherein θ and μ1All it is constant
Analysis and it is recognised that when P is bigger, N2Also bigger, the lock ability of the dilating screw 1 is stronger.
Second stage：After P withdraws, there is self-locking in the double nut screw fixed connection device that should be based on auxetic elastic deformation,
But the deformation of the expansion sleeve 3 is constant so that pressure N2Still keep constant, the firm connection of connector, as shown in Figure 5.
Generally between 0.1-0.15, here, the dilating screw 1 will realize self-locking, tan θ must for the coefficient of friction of steel to steel
Coefficient of friction m must be less than, therefore tan θ=0.1 is taken, be i.e. the dilating screw 1 travels forward 10mm, then the expansion sleeve 3 is compacted
1mm.In order to this can be easily put in connecting hole based on the double nut screw fixed connection device of auxetic elastic deformation, generally
The diameter of connecting hole 1mm bigger than the external diameter based on the double nut screw fixed connection device of auxetic elastic deformation, and due to
The conical surface of the double nut screw fixed connection device of auxetic elastic deformation should be based on, caused to allow connecting hole by distension, the expansion
The proal distance of screw rod 1 is at leastI.e.Circumferentially opening 4 each groove in the outside of the expansion sleeve 3
33, then the expansion sleeve 3 is smaller in circumferential tension, can be every lobe of the expansion sleeve 3 as extrusion mode during analysis
It is analyzed.The contact area for assuming every lobe of the expansion sleeve 3 is S, and elastic modelling quantity is E, and thickness is x, and decrement is Δ x,
The total proal distance of the dilating screw 1 isThat is the length on inclined-plane have to be larger than the expansion
The total proal distance of screw rod 1.
The diameter of the dilating screw 1 depends primarily on the weight of lateral load, when lateral load is big, the comparison that diameter takes
Greatly, calculate and can obtain by shear strength,
So far, the items weight of the double nut screw fixed connection device that should be based on auxetic elastic deformation needed for actual condition
Want parameter all can be designed according to above-mentioned algorithm.
One embodiment of the present of invention has been described in detail above, but the content is only the preferable enforcement of the present invention
Example, it is impossible to be considered as the practical range for limiting the present invention.All impartial changes made according to the present patent application scope and improvement
Deng, all should still belong to the present invention patent covering scope within.
Claims (3)
1. a kind of double nut screw fixed connection device based on auxetic elastic deformation, it is characterised in that should be based on auxetic elasticity
The double nut screw fixed connection device of deformation includes a swelling screw rod, an expansion sleeve, a swelling nut and one
Expansion sleeve nut, the swelling screw rod has a screw action end and a screw rod swelling end, the screw action end and the spiral shell
Bar swelling end is mutually corresponded to define the length of the swelling screw rod, and the screw action end is provided with external thread structure, the screw rod swelling
End outwards increases successively in taper type, and the radius in the section at the screw rod swelling end from the screw action end, the swelling tackling
There are a body operating side and a body expanding end, the body operating side and the body expanding end mutually correspond to define this
The length of expansion sleeve, the body operating side is provided with external thread structure, and the body expanding end is in taper type, and the body expanding end
The radius in section outwards increase successively from the body operating side so that the body expanding end is corresponding to the screw rod swelling end and should
Screw rod swelling end is contained in the body expanding end, and the body operating side is corresponding to the screw action end and the screw action end accommodates
In the body operating side, the expansion sleeve has at least two grooves, and each groove of the expansion sleeve is arranged on the body expanding end, and
Each groove extends from the body expanding end to the body operation extreme direction, and the expansion sleeve nut is bolted in the outer of the body operating side
Thread mechanism, the swelling nut is bolted in the external thread mechanism at the screw action end, and the swelling nut makes the swelling screw rod
Screw rod swelling end operation extreme direction movement from the body expanding end to the body so that each groove of the body expanding end and
Dilatancy.
2. a kind of double nut screw fixed connection device based on auxetic elastic deformation as claimed in claim 1, its feature exists
In the distance between two neighboring groove of the expansion sleeve is equal.
3. a kind of double nut screw fixed connection device based on auxetic elastic deformation as claimed in claim 2, its feature exists
In the expansion sleeve has four grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611268385.5A CN106594028A (en) | 2016-12-31 | 2016-12-31 | Double-nut screw type fixed connector based on pulling and expanding elastic deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611268385.5A CN106594028A (en) | 2016-12-31 | 2016-12-31 | Double-nut screw type fixed connector based on pulling and expanding elastic deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106594028A true CN106594028A (en) | 2017-04-26 |
Family
ID=58582079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611268385.5A Pending CN106594028A (en) | 2016-12-31 | 2016-12-31 | Double-nut screw type fixed connector based on pulling and expanding elastic deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106594028A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079231U (en) * | 1989-06-14 | 1991-06-19 | 李渊河 | Repeatedly usable expasion bolt |
| CN2199351Y (en) * | 1994-09-22 | 1995-05-31 | 谈剑锋 | Special nut expansion screw |
| CN2215618Y (en) * | 1995-01-27 | 1995-12-20 | 苏德奎 | Safety expansion nail |
| CN2311650Y (en) * | 1997-11-22 | 1999-03-24 | 林年盛 | Sleeve type expanding bolt |
| CN2378564Y (en) * | 1998-08-23 | 2000-05-17 | 张树春 | Expanded double-screw bolt |
| WO2012038559A1 (en) * | 2010-09-22 | 2012-03-29 | Gabriel Martinez Cortes | Recoverable anchoring device |
| CN204533107U (en) * | 2015-01-30 | 2015-08-05 | 王泽堃 | Easily detachable expansion bolt |
-
2016
- 2016-12-31 CN CN201611268385.5A patent/CN106594028A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079231U (en) * | 1989-06-14 | 1991-06-19 | 李渊河 | Repeatedly usable expasion bolt |
| CN2199351Y (en) * | 1994-09-22 | 1995-05-31 | 谈剑锋 | Special nut expansion screw |
| CN2215618Y (en) * | 1995-01-27 | 1995-12-20 | 苏德奎 | Safety expansion nail |
| CN2311650Y (en) * | 1997-11-22 | 1999-03-24 | 林年盛 | Sleeve type expanding bolt |
| CN2378564Y (en) * | 1998-08-23 | 2000-05-17 | 张树春 | Expanded double-screw bolt |
| WO2012038559A1 (en) * | 2010-09-22 | 2012-03-29 | Gabriel Martinez Cortes | Recoverable anchoring device |
| CN204533107U (en) * | 2015-01-30 | 2015-08-05 | 王泽堃 | Easily detachable expansion bolt |
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Application publication date: 20170426 |