CN104110424A - Joggled expansion bolt - Google Patents
Joggled expansion bolt Download PDFInfo
- Publication number
- CN104110424A CN104110424A CN201410109297.5A CN201410109297A CN104110424A CN 104110424 A CN104110424 A CN 104110424A CN 201410109297 A CN201410109297 A CN 201410109297A CN 104110424 A CN104110424 A CN 104110424A
- Authority
- CN
- China
- Prior art keywords
- cone
- spin line
- expansion bolt
- tabs
- expand tube
- 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.)
- Granted
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
A joggled expansion bolt comprises an expansion tube, a nut or a screw, a gasket and a spring gasket, wherein one end of the nut or the screw is a cone; a helical folded path is arranged on the cone; a single wall is arranged on the helical folded path; a resting wall is arranged on the other side of the single wall; or the cone is provided with an inclined bottom; the expansion tube is provided with helical folded plates; the helical folded plates are arrayed in a jogged manner and are opposite to the helical folded path; and when swirling pressure is applied, the helical folded plates are surrounded by joggled brute force, are reeled up on a foundation hole wall, and are fixed firmly.
Description
Technical field
The present invention relates to the special fixed connecting pieces such as a kind of installation stool tool, equipment, structural member.
Background technique
Existing expansion bolt is comprised of screw rod, nut, expand tube, packing ring, spring washer etc., and screw rod one end is cone type or nut one end is cone type.During use instrument turn pressure, expansion tube moves to cone, and expand tube is progressively increased, and expand tube circumferential surface is provided with coarse concave-convex grain, and this is shaped at expand tube, and Bing Qie No has the increase that changes.And there is no locating bump, and locating bump to crack with expand tube be that linear array becomes parallel opposed.In protuberant folding expansion bolt or Double-convex-fold expansion bolt patent, be provided with raised line and be difficult for bending on the expand tube limit of cracking, and expand tube crack limit equally with the same effect that is affixed increase with cone of expand tube of prior art.
Summary of the invention
The object of the invention overcomes the deficiencies in the prior art, provide a kind of cone to be provided with spin line folding road, expand tube is provided with spin line tabs, and with mistake to arrangement mode setting, or cone tail end arranges wedged bottom, and there do not have spin line Gu Bi to become mistake to collapse to be firmly fixing at basic hole wall.
The present invention seeks to realize like this:
A kind of wrong folding expansion bolt, comprise that expand tube, nut one end are cone or screw rod one end is cone, packing ring, spring washer composition, wherein cone arranges spin line folding road, described spin line folding road arranges Gu Bi, and described lonely wall another side is provided with by wall, or cone arranges wedged bottom, expand tube arranges spin line tabs, described spin line tabs have be set as wrong to arranging opposed spin line folding road, when turn pressure, spin line tabs by mistake to firmly fixing at basic hole wall around collapsing.
Invention advantage:
1, spin line tabs and spin line folding road becomes mistake to spread configuration, makes the strong mistake of spin line tabs collapse into increase swelling, puts forth effort effect strong.
2, cone tail end arranges wedged bottom, become expand tube bottom circumference along side ring around the fixing powerful effect that collapses, and be easy to processing and simple.
Accompanying drawing explanation
Fig. 1, be that the spin line tabs mistake of the wrong folding expansion bolt of invention is to screw rod spin line folding road structural representation.
Fig. 2, be that the spin line tabs mistake of the wrong folding expansion bolt of invention is to nut spin line folding road structural representation.
Fig. 3, be that the spin line tabs mistake of the wrong folding expansion bolt of invention is to wedged bottom nut spin line folding road structural representation.
Fig. 4, be that the spin line tabs mistake of the wrong folding expansion bolt of invention is to wedged bottom screw rod spin line folding road structural representation.
Embodiment
This wrong folding expansion bolt is cone (3) or screw rod (4) one end by expand tube (1), nut (2) one end and is cone (3), packing ring (5), spring washer (6) etc. and forms.At cone (3), spin line folding road (7) is set, in spin line folding road (7), be provided with Gu Bi (8), another side is provided with by wall (9), or cone (3) is arranged to wedged bottom (10), and is provided with Gu Bi (8) at wedged bottom (10).At expand tube (1), be provided with spin line tabs (11), and with mistake, opposed spin line rolled over to road (7).When turn pressure, mistake spin line tabs (11) being leaned by wall (9) presses to Gu Bi (8) to brute force and becomes to collapse and increase swelling around being fixed on basic hole wall, obtain tool large put forth effort effect.
This wrong folding expansion bolt adopts two wrong folding expansion bolt modes, at the cone the other end, a pitch circle cone is set and is provided with spin line folding road.And expand tube two ends are arranged to the spin line folding road of spin line tabs Fen Do mistake to termination, both sides, expand tube two spin line tabs is collapsed into around being fixed on basic hole wall swelling.
Claims (1)
1. a wrong folding expansion bolt, comprise that expand tube, nut one end are cone or screw rod one end is cone, packing ring, spring washer composition, it is characterized in that: cone is provided with spin line folding road, described spin line folding road arranges Gu Bi, and described lonely wall another side is provided with by wall, or cone arranges wedged bottom, expand tube arranges spin line tabs, described spin line tabs have be set as wrong to arranging opposed spin line folding road, when turn pressure, spin line tabs by mistake to firmly fixing at basic hole wall around collapsing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410109297.5A CN104110424B (en) | 2014-03-13 | 2014-03-13 | Joggled expansion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410109297.5A CN104110424B (en) | 2014-03-13 | 2014-03-13 | Joggled expansion bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104110424A true CN104110424A (en) | 2014-10-22 |
| CN104110424B CN104110424B (en) | 2018-09-14 |
Family
ID=51707359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410109297.5A Expired - Fee Related CN104110424B (en) | 2014-03-13 | 2014-03-13 | Joggled expansion bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104110424B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3509986A1 (en) * | 1985-03-20 | 1986-10-02 | Egon 8900 Augsburg Lange | Expanding dowel |
| CN2155457Y (en) * | 1993-02-25 | 1994-02-09 | 卢云焕 | Internal screw-thread expansion bolt sleeve |
| CN1156793A (en) * | 1995-11-08 | 1997-08-13 | 阿图尔-费希尔股份公司费希尔厂 | Metal expansible anchor |
| CN201496356U (en) * | 2009-09-09 | 2010-06-02 | 朱国强 | Undercut anchor |
| CN102384139A (en) * | 2010-09-04 | 2012-03-21 | 江苏振亚特种螺钉有限公司 | Double-convex-fold expansion bolt |
-
2014
- 2014-03-13 CN CN201410109297.5A patent/CN104110424B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3509986A1 (en) * | 1985-03-20 | 1986-10-02 | Egon 8900 Augsburg Lange | Expanding dowel |
| CN2155457Y (en) * | 1993-02-25 | 1994-02-09 | 卢云焕 | Internal screw-thread expansion bolt sleeve |
| CN1156793A (en) * | 1995-11-08 | 1997-08-13 | 阿图尔-费希尔股份公司费希尔厂 | Metal expansible anchor |
| CN201496356U (en) * | 2009-09-09 | 2010-06-02 | 朱国强 | Undercut anchor |
| CN102384139A (en) * | 2010-09-04 | 2012-03-21 | 江苏振亚特种螺钉有限公司 | Double-convex-fold expansion bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104110424B (en) | 2018-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20210313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |