CN207212872U - The setscrew that a kind of both-end is fixed - Google Patents
The setscrew that a kind of both-end is fixed Download PDFInfo
- Publication number
- CN207212872U CN207212872U CN201721033198.9U CN201721033198U CN207212872U CN 207212872 U CN207212872 U CN 207212872U CN 201721033198 U CN201721033198 U CN 201721033198U CN 207212872 U CN207212872 U CN 207212872U
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- CN
- China
- Prior art keywords
- inner conical
- expansion sleeve
- conical drogue
- expansion
- setscrew
- 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.)
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Abstract
The setscrew that a kind of both-end is fixed, belongs to setscrew technical field.Belong to setscrew technical field.Including expansion sleeve（6）, fastening bolt（1）Through expansion sleeve（6）And connect clamp nut（2）, it is characterised in that：In expansion sleeve（6）Both ends taper sleeve component is installed respectively, the inside of a taper sleeve component is also equipped with centrum wherein（4）, fastening bolt（1）Through expansion sleeve（6）And from upper centrum after the taper sleeve component at its both ends（4）Place pass and with described clamp nut（2）Coordinate installation.In the setscrew that this both-end is fixed, by setting conical surface component at expansion sleeve both ends, and the taper surface coordinated with two end cone face components and upper centrum are set respectively, can realize fastening respectively from both ends in fastening, substantially increase fastening effect.
Description
Technical field
The setscrew that a kind of both-end is fixed, belongs to setscrew technical field.
Background technology
Setscrew is common working face immobilising device, including an expansion sleeve, and some cut is offered outside expansion sleeve
Mouthful, bolt, the right taper in one end of bolt and notches fit are housed in expansion sleeve, the other end offers screw thread.It is first when in use
First in working face（Such as metope, ground）On using rig open up the drilling to match with expansion sleeve external diameter, then will expansion
Screw is fitted into drilling, and then bolt is screwed using nut outside working face, promoted using the taper surface of bolt swollen
The otch spreading of expansion set produces friction bond stress with drill hole inner wall, reaches fixed effect.
In the prior art, the fastening part of setscrew is normally at the end of drilling, therefore completes fastening
After can have following defect：Because the inner only in setscrew is fastened, therefore fastening effect is poor, simultaneously because boring
There is no security measure at the port in hole, therefore setscrew can have gap with the inwall of drilling at port, in the course of time can
Loosen, the stability of setscrew is affected greatly.
The content of the invention
The technical problems to be solved in the utility model is：Overcome the deficiencies in the prior art, there is provided one kind is by expansion sleeve
Both ends set conical surface component, and set the taper surface coordinated with two end cone face components and upper centrum respectively, can be with fastening
Realize fastening respectively from both ends, substantially increase the setscrew that the both-end of fastening effect is fixed.
Technical scheme is used by the utility model solves its technical problem：The setscrew that the both-end is fixed, including
Expansion sleeve, one end of expansion sleeve axially offer multiple openings and are spaced to form a plurality of expansion sleeve expansion piece, be provided through swollen
The fastening bolt of expansion set, fastening bolt one end are provided with the taper surface coordinated with expansion sleeve expansion piece, and the other end is provided with fastening
Nut, it is characterised in that：Expansion sleeve expansion piece is offered at the both ends of described expansion sleeve, and is pacified respectively at expansion sleeve both ends
The inner conical drogue that dress coordinates with expansion sleeve expansion piece, described taper surface is located in one of the outside of inner conical drogue, in expansion sleeve phase
The other end of taper surface is provided with upper centrum, the inner conical drogue cooperation of upper centrum and respective end, fastening bolt runs through expansion sleeve
And pass from upper centrum after the inner conical drogue at its both ends and coordinate with described clamp nut and install.
Preferably, described inner conical drogue is provided with one.
Preferably, described inner conical drogue is multiple to be set with successively, and the inner conical drogue of front end is fitted into described expansion sleeve, end
The rear end and described taper surface or upper centrum for holding inner conical drogue coordinate.
Preferably, described inner conical drogue includes inner conical drogue body, and inner conical drogue body is taper tubular, in inner conical drogue body
Axial direction of the bottom border along inner conical drogue body, which uniformly offers, to be open and is spaced to form a plurality of inner conical drogue expansion piece.
Preferably, breach is opened up in the both sides of described inner conical drogue expansion piece Yu inner conical drogue body junction and forms inner conical drogue
Cut root groove.
Preferably, described upper centrum is taper tubular, the center offer described fastening bolt may pass through it is logical
Hole, the outer surface of upper centrum are the epicone body cone coordinated with the inner conical drogue.
Preferably, described expansion sleeve includes expansion sleeve body, and described opening is uniformly opened in the bottom week of expansion sleeve
The both sides of circle, expansion sleeve expansion piece and expansion sleeve body junction open up breach formation expansion sleeve and cut root groove.
Preferably, described fastening bolt includes bolt body, and one end of bolt body is connected with hypocentrum, on hypocentrum
Thin lower thick, the lower end of its upper end and bolt body is concentric to be fixed, and the lateral surface of hypocentrum is described taper surface, in bolt body
Top outer ring offer external screw thread with described clamp nut cooperation.
Compared with prior art, beneficial effect possessed by the utility model is：
1st, this both-end fix setscrew in, by expansion sleeve both ends set conical surface component, and respectively set with
The taper surface and upper centrum that two end cone face components coordinate, it can realize fastening respectively from both ends in fastening, substantially increase
Fastening effect.
2nd, the taper sleeve component of multiple inner conical drogue compositions is provided with, the expansion amplitude of expansion sleeve can be increased, effectively improved
Tightness during use.
3rd, breach formation expansion sleeve is opened up in the both sides of each expansion sleeve expansion piece Yu expansion sleeve body junction and cuts root
Groove, expansion sleeve are cut after root groove opens up and finish, are more beneficial for deforming after expansion sleeve expansion piece is squeezed.
4th, inner conical drogue can be set with multiple successively as needed, to increase tensioner effect.
5th, breach formation inner conical drogue is opened up in the both sides of each inner conical drogue expansion piece Yu inner conical drogue body junction and cuts root
Groove, inner conical drogue are cut after root groove opens up and finish, are more beneficial for deforming after inner conical drogue expansion piece is squeezed.
Brief description of the drawings
Fig. 1 is the setscrew structural representation that both-end is fixed.
Fig. 2 is the setscrew fastening bolt structure schematic diagram that both-end is fixed.
Fig. 3 is the setscrew inner conical drogue structural representation that both-end is fixed.
Fig. 4 is the setscrew upper conical-tube structural representation that both-end is fixed.
Fig. 5 is the setscrew expansion sleeve structural representation that both-end is fixed.
Wherein：1st, fastening bolt 2, clamp nut 3, pad 4, upper cone 5, inner conical drogue 6, expansion sleeve 7,
Hypocentrum 8, external screw thread 9, bolt body 10, inner conical drogue body 11, inner conical drogue cut root groove 12, epicone body cone
13rd, expansion sleeve body 14, expansion sleeve cut root groove.
Embodiment
Fig. 1 ~ 5 are most preferred embodiments of the present utility model, and 1 ~ 5 pair of the utility model is done furtherly below in conjunction with the accompanying drawings
It is bright.
As shown in figure 1, the setscrew that a kind of both-end is fixed, including expansion sleeve 6, expansion sleeve 6 are the cylinder of both ends open
Shape.It is symmetrically installed with an inner conical drogue 5 respectively at the both ends open of expansion sleeve 6, is respectively arranged with both sides inner conical drogue 5
Centrum 4 and hypocentrum 7.Multiple pads 3 and clamp nut 2, fastening bolt 1 and fastening are provided with the upper port of upper centrum 4
Nut 2 coordinates installation, and clamp nut 2, pad 3 and upper vertebra are sequentially passed through downwards at the upper port of the Self-fastening nut 2 of fastening bolt 1
Enter the inner chamber of expansion sleeve 6 after body 4, be connected after then passing through the inner conical drogue 5 of bottom with hypocentrum 7.
As shown in Fig. 2 fastening bolt 1 includes bolt body 9, above-mentioned hypocentrum 7 is up-thin-low-thick, its upper end and bolt sheet
The lower end of body 9 is fixed with one heart, and the external screw thread 8 coordinated with clamp nut 2 is offered in the top outer ring of bolt body 9.
As shown in figure 3, inner conical drogue 5 includes inner conical drogue body 10, inner conical drogue body 10 is up-thin-low-thick taper tubular,
The bottom border of inner conical drogue body 10 uniformly offers a plurality of opening along the axial direction of inner conical drogue body 10, is finished opening is opened up
Afterwards, the inner conical drogue body 10 remained between adjacent two openings forms a plurality of inner conical drogue expansion piece.In each inner conical drogue
The both sides of expansion piece and the junction of inner conical drogue body 10 open up breach formation inner conical drogue and cut root groove 11, and inner conical drogue is cut root groove 11 and opened up
After finishing, it is more beneficial for deforming after inner conical drogue expansion piece is squeezed.Thinner one end self-expanding set in inner conical drogue 5
6 bottoms load inside it.By being provided with inner conical drogue 5, the expansion amplitude of expansion sleeve 6 can be increased, effectively improve this prefastening
The tightness of setscrew when in use.Inner conical drogue 5 can also be set with multiple, further increase tensioner effect successively as needed
Fruit.
As shown in figure 4, upper centrum 4 is similarly taper tubular, the center offers the through hole that fastening bolt 1 may pass through,
The outer surface of upper centrum 4 is the epicone body cone 12 coordinated with inner conical drogue 5.
As shown in figure 5, expansion sleeve 6 includes expansion sleeve body 13, in the both ends border of expansion sleeve body 13 along expansion sleeve sheet
The axial direction of body 13 uniformly offers a plurality of opening, after opening is opened up finishes, remains in swollen between adjacent two openings
Expansion set body 13 forms a plurality of expansion sleeve expansion piece.In the both sides of each expansion sleeve expansion piece Yu the junction of expansion sleeve body 13
Open up breach and form expansion sleeve and cut root groove 14, expansion sleeve is cut after root groove 14 opens up and finish, be more beneficial for expansion sleeve expansion piece by
Deformed after to extruding.
It is specific to install and use process as described below：
One inner conical drogue 5 will be installed at the both ends of expansion sleeve 6 first, taper end mouth and the expansion sleeve 6 of inner conical drogue 5 coordinate respectively
Installation, then enters 1 screwed one end of fastening bolt from the inner conical drogue 5 of side, in the inner conical drogue 5 through local terminal and
Passed after expansion sleeve 6 from the inner conical drogue 5 of opposite side, install centrum 4 successively after fastening bolt 1 passes and pad 3 is last
Clamp nut 2 is installed, after installation, the inner surface of the conical surface of the inner conical drogue 5 at both ends respectively with the both ends of expansion sleeve 6 is matched somebody with somebody
Close, the inner surface of upper cone 4 and hypocentrum 7 respectively with the inner conical drogue 5 of respective end coordinates.
When in use, the drilling that the setscrew fixed with this both-end coordinates is formed using rig first on working face,
Then the setscrew this both-end fixed loads in drilling, and clamp nut 2 is screwed outside working face, in the process screwed
In, upper centrum 4 and hypocentrum 7 move towards and are extruded the inner conical drogue 5 at respective end, and the inner conical drogue 5 at both ends is receiving
The inner conical drogue expansion piece expansion of inner conical drogue 5 and further extrusion expansion cover the expansion sleeve expansion piece at 6 both ends after extruding, both ends
Expansion sleeve expansion piece expands outwardly after being squeezed, and the external diameter at the both ends of expansion sleeve 6 is become big, finally realizes this both-end
Fixed setscrew and drilling both-end fastening.
It is described above, only it is preferred embodiment of the present utility model, is not that other forms are made to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of change.But it is every without departing from the content of the technical scheme of the utility model, it is real according to technology of the present utility model
Any simple modification, equivalent variations and the remodeling that confrontation above example is made, still fall within the guarantor of technical solutions of the utility model
Protect scope.
Claims (8)
1. the setscrew that a kind of both-end is fixed, including expansion sleeve（6）, expansion sleeve（6）One end axially offer multiple openings
And be spaced and form a plurality of expansion sleeve expansion piece, it is provided through expansion sleeve（6）Fastening bolt（1）, fastening bolt（1）One end is set
The taper surface coordinated with expansion sleeve expansion piece is equipped with, the other end is provided with clamp nut（2）, it is characterised in that：Described swollen
Expansion set（6）Both ends offer expansion sleeve expansion piece, and in expansion sleeve（6）Both ends are installed respectively to be coordinated with expansion sleeve expansion piece
Inner conical drogue（5）, described taper surface is located in one of inner conical drogue（5）Outside, in expansion sleeve（6）Relative to taper surface
The other end is provided with centrum（4）, upper centrum（4）With the inner conical drogue of respective end（5）Coordinate, fastening bolt（1）Through expansion sleeve
（6）And the inner conical drogue at its both ends（5）Afterwards from upper centrum（4）Place pass and with described clamp nut（2）Coordinate installation.
2. the setscrew that both-end according to claim 1 is fixed, it is characterised in that：Described inner conical drogue（5）It is provided with
One.
3. the setscrew that both-end according to claim 1 is fixed, it is characterised in that：Described inner conical drogue（5）For successively
Multiple, the inner conical drogue of front end of suit（5）Load described expansion sleeve（6）In, end inner conical drogue（5）Rear end and described cone
Shape face or upper centrum（4）Coordinate.
4. the setscrew that both-end according to claim 1 or 2 is fixed, it is characterised in that：Described inner conical drogue（5）Including
Inner conical drogue body（10）, inner conical drogue body（10）For taper tubular, in inner conical drogue body（10）Bottom border along inner conical drogue sheet
Body（10）Axial direction uniformly offer be open and be spaced to form a plurality of inner conical drogue expansion piece.
5. the setscrew that both-end according to claim 4 is fixed, it is characterised in that：Described inner conical drogue expansion piece with
Inner conical drogue body（10）The both sides of junction open up breach formation inner conical drogue and cut root groove（11）.
6. the setscrew that both-end according to claim 1 is fixed, it is characterised in that：Described upper centrum（4）For taper
Tubular, the center offer described fastening bolt（1）The through hole that may pass through, upper centrum（4）Outer surface be with it is described interior
Tapered sleeve（5）The epicone body cone of cooperation（12）.
7. the setscrew that both-end according to claim 1 is fixed, it is characterised in that：Described expansion sleeve（6）Including swollen
Expansion set body（13）, described opening is uniformly opened in expansion sleeve（6）Bottom border, expansion sleeve expansion piece and expansion sleeve body
（13）The both sides of junction open up breach formation expansion sleeve and cut root groove（14）.
8. the setscrew that both-end according to claim 1 is fixed, it is characterised in that：Described fastening bolt（1）Including
Bolt body（9）, bolt body（9）One end be connected with hypocentrum（7）, hypocentrum（7）It is up-thin-low-thick, its upper end and bolt sheet
Body（9）Lower end fix with one heart, hypocentrum（7）Lateral surface be described taper surface, in bolt body（9）Top outer ring open
Provided with described clamp nut（2）The external screw thread of cooperation（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721033198.9U CN207212872U (en) | 2017-08-17 | 2017-08-17 | The setscrew that a kind of both-end is fixed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721033198.9U CN207212872U (en) | 2017-08-17 | 2017-08-17 | The setscrew that a kind of both-end is fixed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207212872U true CN207212872U (en) | 2018-04-10 |
Family
ID=61815398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721033198.9U Expired - Fee Related CN207212872U (en) | 2017-08-17 | 2017-08-17 | The setscrew that a kind of both-end is fixed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207212872U (en) |
-
2017
- 2017-08-17 CN CN201721033198.9U patent/CN207212872U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20180817 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |