CN202914477U - Expansion bolt - Google Patents

Expansion bolt Download PDF

Info

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
Application number
CN 201220650194
Other languages
Chinese (zh)
Inventor
黄凌志
李霖山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huangshi Lin Shan Environmental Protection Technology Co., Ltd.
Original Assignee
Huangshi Zhiyun Electromechanical Technology Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huangshi Zhiyun Electromechanical Technology Institute filed Critical Huangshi Zhiyun Electromechanical Technology Institute
Priority to CN 201220650194 priority Critical patent/CN202914477U/en
Application granted granted Critical
Publication of CN202914477U publication Critical patent/CN202914477U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

EXPANSION ANCHOR BOLTS
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.
CN 201220650194 2012-12-02 2012-12-02 Expansion bolt Expired - Fee Related CN202914477U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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