CN202914477U - Expansion bolt - Google Patents
Expansion bolt Download PDFInfo
- Publication number
- CN202914477U CN202914477U CN 201220650194 CN201220650194U CN202914477U CN 202914477 U CN202914477 U CN 202914477U CN 201220650194 CN201220650194 CN 201220650194 CN 201220650194 U CN201220650194 U CN 201220650194U CN 202914477 U CN202914477 U CN 202914477U
- Authority
- CN
- China
- Prior art keywords
- bolt
- expansion
- nut
- sleeve
- expansion cylinder
- 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 an expansion bolt which comprises a bolt (1), a nut (2), a spring washer (3), a flat washer (4) and an expansion cylinder (7). The upper portion of the bolt (1) is provided with outer screw threads (11). The lower end of the bolt (1) is provided with a tail cone (12) with a taper. At least two notch grooves (71) are formed in the lower portion of the expansion cylinder (7). The expansion bolt is characterized by further comprising a sleeve (5) and a division plate (6). The expansion cylinder (7), the intermediate bulkhead (6), the sleeve (5), the flat washer (4), the spring washer (3) and the nut (2) are arranged on the bolt (1) in sequence from top to bottom. One end of the expansion cylinder (7) faces downwards, and the notch grooves (71) are formed at the end of the expansion cylinder (7). The intermediate bulkhead (6) is a gasket, the periphery shape of the division plate (6) is a polygon, and a round hole is formed in the center of the gasket. The expansion bolt is firm in connection, accurate in location, simple in structure, low in cost and long in service life.
Description
Technical field
The utility model relates to fastening piece, specifically EXPANSION ANCHOR BOLTS.
Background technique
Existing EXPANSION ANCHOR BOLTS is comprised of bolt, nut, spring washer, plain washer and swollen cylinder, this structure, when EXPANSION ANCHOR BOLTS is installed, bolt is difficult for the location, easily produce crooked phenomenon, the crooked stress that can produce when stressed of bolt is concentrated, and occurs sometimes the problem of bolt looseness behind fastening nut, it is not firm to connect, and has potential safety hazard.
The model utility content
The purpose of this utility model just provides and a kind ofly is connected firmly, accurate positioning, simple in structure, cost is low, the EXPANSION ANCHOR BOLTS of long service life.
For achieving the above object, the utility model comprises bolt, nut, spring washer, plain washer and swollen cylinder, the top of described bolt is provided with outside thread, the lower end of described bolt is provided with the tail cone with tapering, the bottom of described swollen cylinder is provided with at least two undercut groove, also comprise sleeve and intermediate clapboard, described swollen cylinder, intermediate clapboard, sleeve, plain washer, spring washer and nut are loaded in the bolt successively from bottom to top, and make a end that swollen cylinder is provided with undercut groove 71 down; Described intermediate clapboard is that peripheral shape is the pad of polygonal, Intermediate Gray circular hole.
The utility model is owing to adopted intermediate clapboard between sleeve and swollen cylinder, intermediate clapboard is that peripheral shape is the pad of polygonal, Intermediate Gray circular hole, like this, when EXPANSION ANCHOR BOLTS is installed, intermediate clapboard can be stuck in the hole that EXPANSION ANCHOR BOLTS is installed, can accurately locate EXPANSION ANCHOR BOLTS, thereby guarantee the reliability that EXPANSION ANCHOR BOLTS connects.The utility model is connected firmly, and accurate positioning is simple in structure, and cost is low, long service life.
Description of drawings
Fig. 1 is overall structure schematic representation of the present utility model.
Embodiment
Referring to Fig. 1, the utility model comprises bolt 1, nut 2, spring washer 3, plain washer 4 and swollen cylinder 7, the top of described bolt 1 is provided with outside thread 11, the lower end of described bolt 1 is provided with the tail cone 12 with tapering, the bottom of described swollen cylinder 7 is provided with at least two undercut groove 71, also comprise sleeve 5 and intermediate clapboard 6, described swollen cylinder 7, intermediate clapboard 6, sleeve 5, plain washer 4, spring washer 3 and nut 2 are loaded in the bolt 1 successively from bottom to top, and make a end that swollen cylinder 7 is provided with undercut groove 71 down.Described intermediate clapboard 6 is the pad of polygonal, Intermediate Gray circular hole for peripheral shape.
Claims (2)
1. EXPANSION ANCHOR BOLTS, comprise bolt (1), nut (2), spring washer (3), plain washer (4) and swollen cylinder (7), the top of described bolt (1) is provided with outside thread (11), the lower end of described bolt (1) is provided with the tail cone (12) with tapering, the bottom of described swollen cylinder (7) is provided with at least two undercut groove (71), it is characterized in that: also comprise sleeve (5) and intermediate clapboard (6), described swollen cylinder (7), intermediate clapboard (6), sleeve (5), plain washer (4), spring washer (3) and nut (2) are loaded in the bolt (1) successively from bottom to top, and make a end that swollen cylinder (7) is provided with undercut groove (71) down.
2. EXPANSION ANCHOR BOLTS according to claim 1, it is characterized in that: described intermediate clapboard (6) is the pad of polygonal, Intermediate Gray circular hole for peripheral shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220650194 CN202914477U (en) | 2012-12-02 | 2012-12-02 | Expansion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220650194 CN202914477U (en) | 2012-12-02 | 2012-12-02 | Expansion bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202914477U true CN202914477U (en) | 2013-05-01 |
Family
ID=48162796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220650194 Expired - Fee Related CN202914477U (en) | 2012-12-02 | 2012-12-02 | Expansion bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202914477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105705804A (en) * | 2013-11-06 | 2016-06-22 | 喜利得股份公司 | Expansion anchor with grooves in the expansion cone |
| CN111706588A (en) * | 2020-06-24 | 2020-09-25 | 王晓亮 | Novel locking wall screw that grabs that moves |
-
2012
- 2012-12-02 CN CN 201220650194 patent/CN202914477U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105705804A (en) * | 2013-11-06 | 2016-06-22 | 喜利得股份公司 | Expansion anchor with grooves in the expansion cone |
| US9869334B2 (en) | 2013-11-06 | 2018-01-16 | Hilti Aktiengesellschaft | Expansion anchor with grooves in the expansion cone |
| CN105705804B (en) * | 2013-11-06 | 2018-09-11 | 喜利得股份公司 | Expansion anchor with the slot in expansion cone |
| US10584731B2 (en) | 2013-11-06 | 2020-03-10 | Hilti Aktiengesellschaft | Expansion anchor with grooves in the expansion cone |
| CN111706588A (en) * | 2020-06-24 | 2020-09-25 | 王晓亮 | Novel locking wall screw that grabs that moves |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUANGSHI LINSHAN ENVIRONMENTAL PROTECTION TECHNOLO Free format text: FORMER OWNER: HUANGSHI ZHIYUN ELECTROMECHANICAL TECHNOLOGY INSTITUTE Effective date: 20140214 |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 435002 HUANGSHI, HUBEI PROVINCE TO: 435000 HUANGSHI, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140214 Address after: Huangshi City, Hubei province 435000 Golden Rainbow Garden 2 building of No. 23 Patentee after: Huangshi Lin Shan Environmental Protection Technology Co., Ltd. Address before: 435002 Huangshi city of Hubei Province Lake Economic and Technological Development Zone of Huangshi Road No. 1-1-3-702 Patentee before: HUANGSHI ZHIYUN ELECTROMECHANICAL TECHNOLOGY INSTITUTE |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20141202 |
|
| EXPY | Termination of patent right or utility model |