CN109751306A - Detachable dual-purpose expansion member - Google Patents
Detachable dual-purpose expansion member Download PDFInfo
- Publication number
- CN109751306A CN109751306A CN201811412604.1A CN201811412604A CN109751306A CN 109751306 A CN109751306 A CN 109751306A CN 201811412604 A CN201811412604 A CN 201811412604A CN 109751306 A CN109751306 A CN 109751306A
- Authority
- CN
- China
- Prior art keywords
- expansion
- expansion piece
- hole
- nut
- piece
- 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
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Dowels (AREA)
Abstract
A kind of detachable dual-purpose expansion member, mainly by screw, expansion nut and expansion piece composition.Expansion nut is to lengthen long cone, inside opens screw hole up and down, and lower part has a ladder and expansion piece lower part to be fitted close size, is assembled into close one, and top cone is consistent with taper in the middle part of expansion piece inner hole.Hole is slightly larger than expansion nut screw hole on expansion piece, is longitudinally provided with the sulculus of a plurality of inner through hole, has many places to be connected position among sulculus, becomes expansion piece point without scattered entirety, the processing of the techniques such as outer cylinder surface annular knurl, increase frictional force.Used time is put component in hole into, and nut is tightened, and expansion nut integrally applies outward radial force to expansion piece inner hole, and expansion piece, which is broken to bore expansion, reaches expansion.Expansion member is put in hole into screwing again when countersunk head, double-purpose functional is realized.Unscrew nut when disassembly and gently hammer screw into shape, expansion nut, which loosens expansion piece, can be taken off, and changes set expansion piece and reaches disassembly reuse function, this component use scope is wide, Benefit.
Description
Technical field
The invention belongs to widely used wall pendant in daily life, the installation of road sign and various connections fastening
Expansion member used in part.Especially relating to one kind has the function of detachably to reuse, and expansion piece entirety stress increases
Forced area can be used as expandable nail to increase expansive force, can also be used as the detachable dual-purpose expansion member of expansion nut.
Background technique
At present in daily life, the expandable nail used is that the sub-fraction expansion by setscrew tail portion is big mostly, outside
Add the thin expansion iron sheet shell of a circle, in use by tightening setscrew and make the expansion position of tail portion expansion iron sheet shell to
Outer expansion expands, deformation, and reaches fastening effect.Just because of the deformation of expanding shell, and whole piece of setscrew and expanding shell is made to exist
In the case that the expandable nail does not use, even if expandable nail loosening can not take out the nail, without any detaching structure.At present
Expandable nail under this state of the art is all the lifelong waste once use.Such expandable nail is on the exterior wall of building, then
Left many pieces of expandable nails on wall, through everlasting, wind and weather, get rusty the rusty stain left, had not only influenced metope beauty, but also
Increase cleaning difficulty.On ground, surface of the street, due to the screw protrusion a part left, to passing vehicle and pedestrian
Security risk is brought, so there is the situation of high-incidence security risk.Since expandable nail is widely used in daily life, lost
The expandable nail stayed is also quite a lot of, is to become related to use to inconvenience caused by users and public safety hidden danger
Department's very pain in the neck.If leaving next piece piece of slight expandable nail on road, accident is caused, even more trouble is more
It is more, it is being moaned by hurter, manager is since slight is neglected one's supervisory duties, and technology is limited, limited rights, and it is bad also right that processing solves
The problems such as side's prosecution.Since current techniques are limited, from the point of view of a wide range of, the annual resource because caused by the expandable nail discarded
Waste is how more, to environmental protection how important, to public safety pressing hard how.
In addition, the expandable nail used now only has the sub-fraction impetus of tail portion, generated expansive force is very little,
Far from the economic development requirement met at this stage.
It is unidirectionally used in addition, the expandable nail used now can only do expandable nail, outside protrusion thread part is soaked with rain, and holds
Easy-to-rust is unfavorable for dismounting, using by limitation.
Summary of the invention
The present invention is to solve technical problem present in well-known technique and provide a kind of with detachable dual-purpose expansion member.
The present invention is that technical solution used by solving technical problem present in well-known technique is: the present invention detachable two
With expansion member, including screw, plain cushion, nut, expansion nut and expansion piece.Screw is common full tooth screw, and expansion nut is
Lengthen long cone, be inside provided with screw hole matched with screw up and down, outside expansion nut lower end the outer diameter of a small stair with
Expansion piece lower end inner circle, which is formed, is fitted close ladder, and close one is formed after assembly.One section and expansion are arranged at expansion piece inner hole lower part
The mutually close-fitting ladder of nut lower section, middle part is cone, consistent with the taper of expansion nut, and top circular hole is omited than screw hole
Greatly, expansion piece shape is cylinder, and outer surface carries out annular knurl processing, increases the adhesive force with exit orifice, expansion piece is longitudinally provided with more
The sulculus of inner through hole should remain with many places among sulculus and be connected position, become expansion piece point without scattered entirety.When swollen
When the active force that expansion nut is tightened upwards by screw, expansion nut lower part is fitted close ladder with expansion piece and separates, while swollen
The entire conical surface of expansion nut applies radial force to expansion piece inner conical surface outward, and when reaching certain radial force, expansion piece sulculus connects
The place's of connecing fracture expands outwardly, to reach the firm effect of expansion.Once deflating the expansion that nut applies expansion piece
Power, expansion piece can take out one by one because being divided into several pieces, and such expansion nut can easily take out, and re-replace matched expansion
Part can reach detachable reuse function.
When screw is put on from expansion nut bottom, the expandable nail that expansion member constitutes convex dew head of screw is used.When swollen
Swollen component is put into hole, and when screw is tightened from expansion member top, expansion object can do Countersunk expansion bolt use, to reach
Two kinds of functions.
The present invention can also use following technical measures:
It is 2 opposite that the expansion piece, which is longitudinally provided with the sulculus minimum number of a plurality of inner through hole,.
Should be remained among the sulculus many places be connected position junction be at least up and down at each one can make expansion piece at
To divide without scattered entirety, and can guarantee be broken in the case where expansion piece internal taper hole is acted on by certain radial force.
One section of expansion piece inner hole lower part should ensure that and mutually be fitted close in assembly with expansion nut lower end, without pine
It is dynamic, it can be separated by certain active force.
One section of expansion piece lower part thinnest part should ensure that the indeformable thickness in the case where screw tightens.
The aperture on expansion piece inner hole top should be more bigger than nut interior tooth diameter, easily passes through convenient for screw.
The expansion piece outer round surface should carry out the technique processing that annular knurl etc. increases coefficient of friction.
The expansion piece inner circle taper is consistent with expansion nut outer circle lengthening taper, and cooperation is adapted, so that screw tightens
When the expansion nut conical surface is whole applies outwardly radial power to expansion piece internal taper hole, and expand outwardly expansion piece integrally.
The expansion nut, which lengthens conico-acuminate, can be triangle cone, the polygonal pyramids such as quadrangle cone, at this moment
The cone of the polygonal shape to match therewith is processed into expansion piece just as sample, and it is matched to separate the piece number.
The expansion piece shape also can be processed into polygon.
The advantages and positive effects of the present invention are:
1. making swollen since expansion piece takes point without being the design of cone in the middle part of scattered whole design, and inner hole
When swollen part inner hole is by certain active force, if dry plate can be divided into, to realize the dismountable effect of expansion member, save
Huge resource.
2. expansion piece outer round surface carries out the technique processing that hobboing cutter etc. increases coefficient of friction, expansion piece and exit orifice are increased
Frictional force keeps expansion member stronger, and safety coefficient is higher, more firm.
3. expansion piece lower section and expansion nut lower part are fitted close, become tight after realizing expansion nut and expansion piece assembly
Close and non-loosening one integral piece can separate again in the case where by certain active force.
4. the design that the long conical taper of use is consistent in the middle part of expansion nut shape and expansion piece inner hole, increases expansion piece
Whole export-oriented expansive force overcomes the drawbacks of current expandable nail expanding shell local pressure deformation can be only achieved expansive force.
5. detachable dual-purpose expansion member of the invention, applied widely, all mounting suspension members on metope, such as billboard,
The plug-in base of air conditioner, rain cover, water, electricity, pipeline, the installation of cable, the installation of traffic above-ground mark, the finishing of indoor and outdoor, street lamp
Installation and the assembly or even the installation of mechanical equipments such as pump of furniture, etc., it is removable that the present invention can be widely used
Unload dual-purpose expansion member.
6. detachable dual-purpose expansion member simple production process, is readily produced.
It is current expansion 7. detachable dual-purpose expansion member will replace current expandable nail once production and application
Follow closely the product of upgrading.Substantial portion of production, the labour energy and raw material will be saved for society, for the ring of society
Border, environmental protection and safety, economic benefit make tremendous contribution.
Detailed description of the invention
Fig. 1 is that detachable dual-purpose expansion member of the invention assembles main full sectional view:
Fig. 2 is detachable dual-purpose expansion member assembling plan view of the invention:
Fig. 3 is expansion nut cross-sectional view:
Fig. 4 is expansion nut left view:
Fig. 5 is expansion piece cross-sectional view:
Fig. 6 is that left view is shown in expansion:
Specific embodiment
For that can further appreciate that summary of the invention of the invention, feature and effect, following embodiment is hereby enumerated, and cooperate attached drawing
Detailed description are as follows: referring to Fig. 1, Fig. 2, the present invention detachably dual-purpose expansion member, including full tooth screw 1, nut 2 and plain cushion
3, it is to lengthen long cone there are also the expansion nut 4 for playing expansion and matched 5. expansion nut top of expansion piece, such as
Cone forms the consistent cooperation of mutual taper in the middle part of shown in Fig. 47, with expansion piece inner hole, and as shown in Figure 5 10, expansion nut
Shown in bottom graph 48 with expansion piece inner hole lower part, 9 shown in Fig. 5 at, be fitted close ladder, form close one after being allowed to assembly,
Expansion nut inner hole is screw hole up and down, at as shown in Figure 36.Expansion piece top inner hole, shown in fig. 5 11, it is slightly larger than
Expansion piece inner screw tooth hole, at shown in Fig. 36, expansion piece shape is cylinder, and such as Fig. 5 shown in Fig. 6, is longitudinally provided in a plurality of perforation
The sulculus in hole, the connected position in many places is retained as shown in 14 in Fig. 6, among sulculus shown in 13, becomes expansion piece as 12 in Fig. 5
Divide without scattered entirety, connecting place can be broken again when by certain outward radial force, and expansion piece outer cylinder surface is rolled
The techniques processing such as spend, 15.16 in Fig. 6 shown in, increase coefficient of friction, thus increasing friction force.
It is 2 opposite that expansion piece, which longitudinally opens the sulculus minimum number of inner through hole,.
Be connected among expansion piece longitudinal direction sulculus position connection minimum number be at upper and lower 2 make expansion piece become point without
Scattered entirety, and can guarantee be broken again when by certain outward radial force.
Expansion piece lower part thinnest part should ensure that in expansion member indeformable thickness in the case where swelling.
It should be no less than at 2 at the annular knurl of expansion piece outer surface.
It is consistent that expansion piece inner circle taper should lengthen long conicity with expansion nut.
It is processed into tight fit size at expansion piece inner circle lower part and expansion nut lower step, can become tight after assembly
Close one.
Expansion nut, which lengthens conico-acuminate, can be triangle cone, and quadrangle cone waits polygonal pyramids, at this moment expands
The cone of matched polygonal shape is made into part just as sample, and it is matched to separate the piece number.
Expansion piece external form can cause polygon.
The detachable dual-purpose expansion member of the present invention, use process is as follows:
When requiring screw to outwardly protrude installation, in expansion member in screw self-expanding component expansion nut lower part to
Upper screw-in, i.e., from bottom in and top out, state as shown in Figure 1.Expansion member component is put into will install in the hole of expandable nail in advance,
This hole should it is equally bigger than expansion piece outer diameter in expansion member or it is bigger little by little, allow expansion piece flushed with outer wall of hole or slightly deeply,
It tries not exposed.Installation needs articles later, and the boring ratio screw of articles is bigger, is then laid flat pad, tightens
Nut, screw are pulled out by nut, drive expansion nut outside, and expansion nut is when by certain active force and expansion piece
Lower step separation, while the entire conical surface applies radial force to expansion piece internal taper hole, until the phase retained among expansion piece sulculus
Even position is broken by swollen, and expansion piece is just divided into the outside aperture expansion of multiple separate pieces, until tensioning, to reach expansion
Securely effect.
When require head of screw to make countersunk head in use, expansion member is put into advance need to install expandable nail hole in, at this moment
It should be noted that should not expansion member is anti-loaded, and it is put into certain depth, then installation needs articles, is laid flat pad, screw is revolved
Enter, until tightening screw, the step of protrusion is installed among the above and effect can be realized.Countersunk head must shouldn't spiral shell when installing
Mother 2, but installing hole depth should be deeper than screw length, so that head of screw not push up bottom hole, expansion securely effect be not achieved, in this way
It is achieved that dual-purpose function.
When needing to dismantle expandable nail, as long as unscrewing nut or screw, gently hammered into shape into hole it is several under, expansion nut is to expansion piece
The tension applied releases, and expansion piece can take out one by one because being divided into multiple separate pieces, re-replace matched expansion piece,
Both the function of expansion member reuse can have been restored.
Claims (9)
1. a kind of detachable dual-purpose expansion member, including screw, plain cushion, nut, expansion nut and expansion piece, it is characterized in that expansion
(8) one small stairs is outer through close-fitting ladder being caused, after making assembly at expansion piece inner hole lower part (9) outside nut lower end
It as close one, can be separated again when by certain active force, the top of expansion nut (4) is to lengthen long cone
(7), it is inside provided with screw hole (6) up and down, (10) are cone, the cone with expansion nut top in the middle part of expansion piece inner hole
Taper is consistent, and top circular hole is more bigger than expansion nut screw hole (11), and expansion piece shape is cylinder, and outer surface carries out the works such as annular knurl
Skill processes (15), and expansion piece longitudinally opens the sulculus (14) of a plurality of inner through hole, and centre remains with many places and is connected position (12), makes swollen
Swollen part, which becomes, to be divided without scattered entirety, and can guarantee energy under the action of expansion piece internal taper hole is by certain outward radial force
It is enough to be broken, it should ensure that the indeformable thickness in the case where screw tightens at the most thin step in expansion piece lower part.
2. detachable dual-purpose expansion member according to claim 1, it is characterized in that expansion piece longitudinally opens the small of inner through hole
Slot number is at least 2 opposite.
3. detachable dual-purpose expansion member according to claim 1, it is characterized in that should retain among the sulculus of expansion piece longitudinal direction
The be connected junction at position is at least to become expansion piece point without scattered entirety, and can guarantee in expansion piece up and down at 2
Taper hole under the action of certain outward radial force by can be broken.
4. detachable dual-purpose expansion member according to claim 1 a, it is characterized in that small stair outside expansion nut lower end
At outer diameter and expansion piece inner hole lower step, close-fitting size is caused, becomes close one after being allowed to assembly, by one
It can be separated again when fixed active force.
5. detachable dual-purpose expansion member according to claim 1, it is characterized in that being answered at the most thin step in expansion piece lower part
Guarantee the indeformable thickness in the case where screw tightens.
6. detachable dual-purpose expansion member according to claim 1, it is characterized in that the techniques such as expansion piece outer surface annular knurl add
Work is at least at upper and lower 2.
7. detachable dual-purpose expansion member according to claim 1, it is characterized in that expansion piece inner circle taper should be with expanding screw
Generating circle taper is consistent.
8. detachable dual-purpose expansion member according to claim 1, it is characterized in that expansion nut lengthen conico-acuminate can be with
It is triangle cone, the polygonal pyramids such as quadrangle cone, expansion piece internal taper hole is equally made into the cone of matched polygon
Hole, and separate the piece number and match therewith number.
9. detachable dual-purpose expansion member according to claim 1, it is characterized in that expansion piece external form can cause polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811412604.1A CN109751306A (en) | 2018-11-13 | 2018-11-13 | Detachable dual-purpose expansion member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811412604.1A CN109751306A (en) | 2018-11-13 | 2018-11-13 | Detachable dual-purpose expansion member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109751306A true CN109751306A (en) | 2019-05-14 |
Family
ID=66402585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811412604.1A Pending CN109751306A (en) | 2018-11-13 | 2018-11-13 | Detachable dual-purpose expansion member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109751306A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2091378U (en) * | 1991-05-13 | 1991-12-25 | 陈彭江 | Split type expansion screw |
| CN2133702Y (en) * | 1992-07-29 | 1993-05-19 | 谢广辉 | Upset bolt with taper sleeve |
| CN2238932Y (en) * | 1996-02-15 | 1996-10-30 | 谷一跃 | Expanding screw |
| CN2384016Y (en) * | 1999-09-07 | 2000-06-21 | 杨明 | Conic cut expansion type expansion bolt |
| CN2486763Y (en) * | 2001-05-18 | 2002-04-17 | 张万 | Expansion nut for using on edge |
| US20030108398A1 (en) * | 2001-12-11 | 2003-06-12 | Sathianathan Sivasubramanium K. | Bolt Assembly |
| CN1824959A (en) * | 2005-02-26 | 2006-08-30 | 李玉慧 | Easy to detach expansion bolt |
| CN101881292A (en) * | 2009-05-07 | 2010-11-10 | 马学义 | Novel expansion bolt |
| CN102889278A (en) * | 2012-10-21 | 2013-01-23 | 胡国贤 | Stressed expansion screw rod |
| JP2016011504A (en) * | 2014-06-27 | 2016-01-21 | 株式会社豊和 | Construction method of anchor bolt |
-
2018
- 2018-11-13 CN CN201811412604.1A patent/CN109751306A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2091378U (en) * | 1991-05-13 | 1991-12-25 | 陈彭江 | Split type expansion screw |
| CN2133702Y (en) * | 1992-07-29 | 1993-05-19 | 谢广辉 | Upset bolt with taper sleeve |
| CN2238932Y (en) * | 1996-02-15 | 1996-10-30 | 谷一跃 | Expanding screw |
| CN2384016Y (en) * | 1999-09-07 | 2000-06-21 | 杨明 | Conic cut expansion type expansion bolt |
| CN2486763Y (en) * | 2001-05-18 | 2002-04-17 | 张万 | Expansion nut for using on edge |
| US20030108398A1 (en) * | 2001-12-11 | 2003-06-12 | Sathianathan Sivasubramanium K. | Bolt Assembly |
| CN1824959A (en) * | 2005-02-26 | 2006-08-30 | 李玉慧 | Easy to detach expansion bolt |
| CN101881292A (en) * | 2009-05-07 | 2010-11-10 | 马学义 | Novel expansion bolt |
| CN102889278A (en) * | 2012-10-21 | 2013-01-23 | 胡国贤 | Stressed expansion screw rod |
| JP2016011504A (en) * | 2014-06-27 | 2016-01-21 | 株式会社豊和 | Construction method of anchor bolt |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190514 |