CN203297235U - Novel expansion bolt - Google Patents
Novel expansion bolt Download PDFInfo
- Publication number
- CN203297235U CN203297235U CN2013203640941U CN201320364094U CN203297235U CN 203297235 U CN203297235 U CN 203297235U CN 2013203640941 U CN2013203640941 U CN 2013203640941U CN 201320364094 U CN201320364094 U CN 201320364094U CN 203297235 U CN203297235 U CN 203297235U
- Authority
- CN
- China
- Prior art keywords
- tapered cup
- nut
- expansion
- cup nut
- expansion sleeve
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a novel expansion bolt. The novel expansion bolt is simple and convenient to use and operate, firm and reliable and long in service life. The novel expansion bolt comprises an expansion sleeving, an expansion body and a bolt component which is connected with the expansion sleeving and the expansion body. The expansion body comprises a tapered nut. One or more protruding ribs corresponding to corresponding open slots of the expansion sleeving are arranged on the peripheral wall of the tapered nut.
Description
Technical field
The utility model relates to a kind of fastening piece, relates in particular to a kind of upset bolt.
Background technique
Usually the expansion of EXPANSION ANCHOR BOLTS is to mention screw rod by the expander that rotary sleeve is located on screw rod, back down intumescent sheet by the bottom of screw rod again, reach the purpose that connects is installed, after this setscrew is fixed, its screw rod tail is outside exposed, particularly when the products such as installation wood flooring or antitheft door, exposed afterbody must amputate it, gives to install and use to make troubles.Although and use now more screw-type EXPANSION ANCHOR BOLTS can solve the exposed problem of afterbody, but due to reasons such as its structures, its expander is that the nut of big or small hair style easily follows screw to rotate together when rotated, can't tighten or just twist not enter at all, has a strong impact on installation engineering quality; In addition existing all EXPANSION ANCHOR BOLTS all must operate by hand fastening, construction trouble, efficiency is low.
The model utility content
The purpose of this utility model is the deficiency that exists for prior art, and a kind of upset bolt is provided.This upset bolt uses simple, convenient, firmly, reliably, and long service life.
The technical solution of the utility model comprises expansion sleeve, expander, the bolt assembly that is connected with expander with described expansion sleeve, described expander comprises tapered cup nut, and the perisporium of described tapered cup nut is provided with the one or more convex tendon bar corresponding with the corresponding opening slot of described expansion sleeve.
Described expansion sleeve is provided with 2-4 bar opening slot, and described tapered cup nut outer wall is provided with corresponding two described raised lines.
Described bolt assembly comprises screw or screw rod, and the tail end end face of described screw or screw rod is provided with screw.
Described tapered cup nut is a conical nut or polygon tapered cup nut, and the periphery wall of conical nut or polygon tapered cup nut is interior curved arch shape.
Its outer side of convex tendon bar on described tapered cup nut is straight line.
When this upset bolt turns screw when installing and using, expander can not followed rotation, and can use machine tool to carry out automatic fastening by screw, and improved construction quality and speed, improved working efficiency, simple in structure, easy to install, particularly for the occasion that has special mounting to require, use, more can guarantee the quality requirement of installing engineering, and can avoid corrosion, increase the service life.
Description of drawings
Fig. 1 is the utility model one example structure schematic diagram; Fig. 2 is the plan structure figure of the conical nut in Fig. 1; Fig. 3 is another example structure schematic diagram of the utility model.
Embodiment
Now also the utility model is described in further detail by reference to the accompanying drawings by embodiment, and as illustrated in fig. 1 and 2, EXPANSION ANCHOR BOLTS consists of parts such as screw rod 2, expansion sleeve 1, conical nut 3 and pads.One end of expansion sleeve 1, around circumferentially being provided with separately the 2-4 bar is axial opening slot 1a, is cut the tube wall of this end of expansion sleeve 1 to form corresponding intumescent sheet by opening slot 1a; Screw rod 2 is interspersed in expansion sleeve 1 and conical nut 3 is connected in an end of the intumescent sheet of expansion sleeve 1; On the periphery wall of conical nut 3 relatively both sides be and be axially arranged with two convex tendon bars 4, two convex tendon bars 4 adapt with the opening slot 1a of expansion sleeve 1, when tighten screw rod 2 make conical nut 3 enter expansion sleeve 1 when interior the outer side 4a of its convex tendon bar 4 be inserted in the opening slot 1a of expansion sleeve 1, make conical nut 3 turn Shi Buhui at screw rod 2 and and then rotate.
In another embodiment of the utility model, the tail end Luo Feng end face of screw rod 2 is provided with screw 5, can coordinate this screw 5 to tighten screw 2 by corresponding screw rod instrument.The periphery wall of conical nut 3 is the arc shape 3a of axial direction, and the outer side of the raised line 4 on the periphery wall of conical nut 3 (being in a limit in the outside) 4a is straight line.All the other structures can with above-described embodiment roughly the same.
Other modified products based on the technological scheme of this upset bolt all belong to protection domain of the present utility model; Above-described embodiment is not the exhaustive of embodiment of the present utility model.
Claims (5)
1. upset bolt, comprise expansion sleeve, expander, the bolt assembly that is connected with expander with described expansion sleeve, it is characterized in that described expander comprises tapered cup nut, the perisporium of described tapered cup nut is provided with the one or more convex tendon bar corresponding with the corresponding opening slot of described expansion sleeve.
2. upset bolt according to claim 1, is characterized in that described expansion sleeve is provided with 2-4 bar opening slot, and described tapered cup nut outer wall is provided with corresponding two described raised lines.
3. upset bolt according to claim 1, is characterized in that described bolt assembly comprises screw or screw rod, and the tail end end face of described screw or screw rod is provided with screw.
4. described upset bolt according to claim 1 and 2, is characterized in that described tapered cup nut is a conical nut or polygon tapered cup nut, and the periphery wall of conical nut or polygon tapered cup nut is interior curved arch shape.
5. described upset bolt according to claim 1 and 2, is characterized in that its outer side of convex tendon bar on described tapered cup nut is straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203640941U CN203297235U (en) | 2013-06-24 | 2013-06-24 | Novel expansion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203640941U CN203297235U (en) | 2013-06-24 | 2013-06-24 | Novel expansion bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203297235U true CN203297235U (en) | 2013-11-20 |
Family
ID=49573244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203640941U Expired - Fee Related CN203297235U (en) | 2013-06-24 | 2013-06-24 | Novel expansion bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203297235U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780998A (en) * | 2016-04-22 | 2016-07-20 | 深圳瑞和建筑装饰股份有限公司 | Reusable ceiling keel system |
| CN105952750A (en) * | 2016-06-23 | 2016-09-21 | 泰州市中亿洁具有限公司 | Expansion screw capable of being tightened |
| CN106759871A (en) * | 2017-01-25 | 2017-05-31 | 哈尔滨工业大学 | A kind of aluminium alloy assembled connecting node for large-span space structure |
-
2013
- 2013-06-24 CN CN2013203640941U patent/CN203297235U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780998A (en) * | 2016-04-22 | 2016-07-20 | 深圳瑞和建筑装饰股份有限公司 | Reusable ceiling keel system |
| CN105780998B (en) * | 2016-04-22 | 2018-04-13 | 深圳瑞和建筑装饰股份有限公司 | Reusable roof keel system |
| CN105952750A (en) * | 2016-06-23 | 2016-09-21 | 泰州市中亿洁具有限公司 | Expansion screw capable of being tightened |
| CN106759871A (en) * | 2017-01-25 | 2017-05-31 | 哈尔滨工业大学 | A kind of aluminium alloy assembled connecting node for large-span space structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20170624 |