CN204476975U - A kind of EXPANSION ANCHOR BOLTS - Google Patents
A kind of EXPANSION ANCHOR BOLTS Download PDFInfo
- Publication number
- CN204476975U CN204476975U CN201420783767.1U CN201420783767U CN204476975U CN 204476975 U CN204476975 U CN 204476975U CN 201420783767 U CN201420783767 U CN 201420783767U CN 204476975 U CN204476975 U CN 204476975U
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- CN
- China
- Prior art keywords
- expansion
- head
- bolt column
- fixture block
- 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 kind of EXPANSION ANCHOR BOLTS, comprise bolt column, nut, packing ring, pad and expansion sleeve, described bolt column is set with expansion sleeve, pad, packing ring, nut outward successively, and nut is arranged on the rear end of bolt column; Described bolt column is formed by connecting by expansion-head, cylindrical section, thread section from front to back successively, and expansion-head is taper structure, and the outer diameter of expansion-head is greater than the inner diameter of expansion-head; The cylindrical section of described bolt column is provided with spacing fixture block; One end of described expansion sleeve has undercut groove, and expansion sleeve is installed towards the expansion-head of bolt column with one end of undercut groove.The utility model adds the spacing fixture block on bolt column, the undercut groove of expansion sleeve can be blocked, play the effect preventing expansion sleeve to be separated with expansion-head, prevent expansion sleeve from deviating from from bolt column, fastening effect is strengthened, do not need to realize double expansion by manufacturing special spiral rod, structure is simple, fastening effect good.
Description
[technical field]
The utility model relates to the technical field of the technical field of bolt fastener, particularly EXPANSION ANCHOR BOLTS.
[background technique]
EXPANSION ANCHOR BOLTS, be pipeline pernetti or equipment are fixed on the wall, on floor, a kind of special thread link used on post.EXPANSION ANCHOR BOLTS is made up of countersunk screw, expansion sleeve, plain washer, spring pad and hexagon nut usually.During use, first must get out the hole of corresponding size on fixed body, then in bolt, expansion sleeve load hole, tightening nut can make bolt, expansion sleeve, between assembling set with fixed body swelling become to be integrated.
EXPANSION ANCHOR BOLTS be fixedly utilize wedge shape gradient to impel expand produce friction grip force, reach fixed effect.But it is fixing very unreliable, it is swelling that taper end orders about expansion sleeve, expansion effect only occurs in screw rod tail end, namely whole EXPANSION ANCHOR BOLTS and mounting hole only define and to be connected, contact between expansion sleeve and wedge shape expansion-head is very limited, easy skidding, when load have comparatively big bang time, easily occur loosening or even the phenomenon of Joint failure.
[model utility content]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of EXPANSION ANCHOR BOLTS, and structure is simple, fastening effect good.
For achieving the above object, the utility model proposes a kind of EXPANSION ANCHOR BOLTS, comprise bolt column, nut, packing ring, pad and expansion sleeve, described bolt column is set with expansion sleeve, pad, packing ring, nut outward successively, and nut is arranged on the rear end of bolt column; Described bolt column is formed by connecting by expansion-head, cylindrical section, thread section from front to back successively, and expansion-head is taper structure, and the outer diameter of expansion-head is greater than the inner diameter of expansion-head; The cylindrical section of described bolt column is provided with spacing fixture block; One end of described expansion sleeve has undercut groove, and expansion sleeve is installed towards the expansion-head of bolt column with one end of undercut groove.
As preferably, the quantity of the spacing fixture block of described cylindrical section is at least three, and spacing fixture block is wedge shape, and spacing fixture block is greater than the width of the one end near thread section near one end width of expansion-head.
As preferably, the quantity of the undercut groove of described expansion sleeve is at least three, and undercut groove is that longitudinally spacing fixture block is corresponding with the position of undercut groove, and spacing fixture block coordinates with extruding between undercut groove.
As preferably, the height of described spacing fixture block exceeds expansion sleeve, and spacing fixture block is greater than the height of the one end near thread section near one end height of expansion-head.
As preferably, described expansion-head and bolt column are structure as a whole; Described packing ring is elastic washer, and the diameter of pad is greater than the diameter of packing ring.
The beneficial effects of the utility model: the utility model adds the spacing fixture block on bolt column, the undercut groove of expansion sleeve can be blocked, play the effect preventing expansion sleeve to be separated with expansion-head, prevent expansion sleeve from deviating from from bolt column, the point of more traditional single-stage expansion connects the situation of easily skidding, and surface of contact increases greatly, and fastening effect is strengthened, do not need to realize double expansion by manufacturing special spiral rod, structure is simple, fastening effect good.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the structural representation of a kind of EXPANSION ANCHOR BOLTS of the utility model;
Fig. 2 is the cross-sectional schematic of a kind of EXPANSION ANCHOR BOLTS of the utility model.
In figure: 1-bolt column, 11-thread section, 12-cylindrical section, the spacing fixture block of 121-, 13-expansion-head, 2-nut, 3-packing ring, 4-pad, 5-expansion sleeve, 51-undercut groove.
[embodiment]
Consult Fig. 1 and Fig. 2, the utility model, comprise bolt column 1, nut 2, packing ring 3, pad 4 and expansion sleeve 5, described bolt column 1 is outer is set with expansion sleeve 5, pad 4, packing ring 3, nut 2 successively, and nut 2 is arranged on the rear end of bolt column 1; Described bolt column 1 is formed by connecting by expansion-head 13, cylindrical section 12, thread section 11 from front to back successively, and expansion-head 13 is taper structure, and the outer diameter of expansion-head 13 is greater than the inner diameter of expansion-head 13; The cylindrical section 12 of described bolt column 1 is provided with spacing fixture block 121; One end of described expansion sleeve 5 has undercut groove 51, and expansion sleeve 5 is installed towards the expansion-head 13 of bolt column 1 with one end of undercut groove 51.The quantity of the spacing fixture block 121 of described cylindrical section 12 is at least three, and spacing fixture block 121 is wedge shape, and spacing fixture block 121 is greater than the width of the one end near thread section 11 near one end width of expansion-head 13.The quantity of the undercut groove 51 of described expansion sleeve 5 is at least three, and undercut groove 51 is longitudinally, and spacing fixture block 121 is corresponding with the position of undercut groove 51, and spacing fixture block 121 coordinates with extruding between undercut groove 51.The height of described spacing fixture block 121 exceeds expansion sleeve 5, and spacing fixture block 121 is greater than the height of the one end near thread section 11 near one end height of expansion-head 13.Described expansion-head 13 is structure as a whole with bolt column; Described packing ring 3 is elastic washer, and the diameter of pad 4 is greater than the diameter of packing ring 3.
Utility model works process:
A kind of EXPANSION ANCHOR BOLTS of the utility model in the course of the work, on fixed body, first get out the hole of corresponding size, again bolt column 1, in expansion sleeve 5 load hole, spacing fixture block 121 is squeezed in the undercut groove 51 of expansion sleeve 5, be loaded on pad 4 and spring washer 3, tightening nut 2, realize the installation of EXPANSION ANCHOR BOLTS, when nut 2 constantly screws, expansion-head 13 is clamp-oned in expansion sleeve 5, due to the existence of undercut groove 51, the front end of expansion sleeve 5 is constantly supportted greatly, the cone structure of expansion-head 13 is stuck in expansion sleeve 5, spacing fixture block 121 blocks undercut groove 51, strengthen fastening.
The utility model adds the spacing fixture block 121 on bolt column 1, the undercut groove 51 of expansion sleeve 5 can be blocked, play the effect preventing expansion sleeve 5 to be separated with expansion-head 13, prevent expansion sleeve 5 from deviating from from bolt column 1, the point of more traditional single-stage expansion connects the situation of easily skidding, and surface of contact increases greatly, and fastening effect is strengthened, do not need to realize double expansion by manufacturing special spiral rod, structure is simple, fastening effect good.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, anyly all belongs to protection domain of the present utility model to the scheme after the utility model simple transformation.
Claims (5)
1. an EXPANSION ANCHOR BOLTS, it is characterized in that: comprise bolt column (1), nut (2), packing ring (3), pad (4) and expansion sleeve (5), described bolt column (1) is set with expansion sleeve (5), pad (4), packing ring (3), nut (2) outward successively, and nut (2) is arranged on the rear end of bolt column (1); Described bolt column (1) is formed by connecting by expansion-head (13), cylindrical section (12), thread section (11) from front to back successively, expansion-head (13) is taper structure, and the outer diameter of expansion-head (13) is greater than the inner diameter of expansion-head (13); The cylindrical section (12) of described bolt column (1) is provided with spacing fixture block (121); One end of described expansion sleeve (5) has undercut groove (51), and expansion sleeve (5) is installed towards the expansion-head (13) of bolt column (1) with one end of undercut groove (51).
2. a kind of EXPANSION ANCHOR BOLTS as claimed in claim 1, it is characterized in that: the quantity of the spacing fixture block (121) of described cylindrical section (12) is at least three, spacing fixture block (121) is wedge shape, and one end width of the close expansion-head (13) of spacing fixture block (121) is greater than the width of the one end near thread section (11).
3. a kind of EXPANSION ANCHOR BOLTS as claimed in claim 1, it is characterized in that: the quantity of the undercut groove (51) of described expansion sleeve (5) is at least three, undercut groove (51) is longitudinally, spacing fixture block (121) is corresponding with the position of undercut groove (51), extrudes and coordinate between spacing fixture block (121) with undercut groove (51).
4. a kind of EXPANSION ANCHOR BOLTS as claimed in claim 1, it is characterized in that: the height of described spacing fixture block (121) exceeds expansion sleeve (5), one end height of the close expansion-head (13) of spacing fixture block (121) is greater than the height of the one end near thread section (11).
5. a kind of EXPANSION ANCHOR BOLTS as claimed in claim 1, is characterized in that: described expansion-head (13) and bolt column are structure as a whole; Described packing ring (3) is elastic washer, and the diameter of pad (4) is greater than the diameter of packing ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420783767.1U CN204476975U (en) | 2014-12-11 | 2014-12-11 | A kind of EXPANSION ANCHOR BOLTS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420783767.1U CN204476975U (en) | 2014-12-11 | 2014-12-11 | A kind of EXPANSION ANCHOR BOLTS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204476975U true CN204476975U (en) | 2015-07-15 |
Family
ID=53632766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420783767.1U Expired - Fee Related CN204476975U (en) | 2014-12-11 | 2014-12-11 | A kind of EXPANSION ANCHOR BOLTS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204476975U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369030A (en) * | 2016-09-30 | 2017-02-01 | 齐齐哈尔大学 | Expansion bolt easy to remove and mounting and removing method thereof |
| CN108981117A (en) * | 2018-07-14 | 2018-12-11 | 林秀云 | A kind of energy device of central air conditioner |
| CN109139645A (en) * | 2018-11-13 | 2019-01-04 | 裴俊 | eccentric expansion bolt |
| CN109372863A (en) * | 2018-12-17 | 2019-02-22 | 嘉兴钰丰汽车零部件有限公司 | A kind of anti-transfer expansion bolt of gasket-type |
| CN109404409A (en) * | 2018-12-17 | 2019-03-01 | 江南机电设计研究所 | A kind of six side's transmission shaft structure of fluting that can eliminate drive gap |
| CN110219864A (en) * | 2019-06-06 | 2019-09-10 | 法施达科技有限公司 | A kind of expansion anchor that anti-tube expansion falls off |
| CN111594519A (en) * | 2019-09-10 | 2020-08-28 | 李宝彦 | Dismantle convenient novel expansion bolts |
| CN113914512A (en) * | 2021-08-05 | 2022-01-11 | 中交一公局集团有限公司 | Mounting structure and mounting method of frame type glass curtain wall |
| WO2023036106A1 (en) * | 2021-09-08 | 2023-03-16 | 潘树江 | Expansion bolt |
-
2014
- 2014-12-11 CN CN201420783767.1U patent/CN204476975U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369030A (en) * | 2016-09-30 | 2017-02-01 | 齐齐哈尔大学 | Expansion bolt easy to remove and mounting and removing method thereof |
| CN108981117A (en) * | 2018-07-14 | 2018-12-11 | 林秀云 | A kind of energy device of central air conditioner |
| CN109139645A (en) * | 2018-11-13 | 2019-01-04 | 裴俊 | eccentric expansion bolt |
| CN109372863A (en) * | 2018-12-17 | 2019-02-22 | 嘉兴钰丰汽车零部件有限公司 | A kind of anti-transfer expansion bolt of gasket-type |
| CN109404409A (en) * | 2018-12-17 | 2019-03-01 | 江南机电设计研究所 | A kind of six side's transmission shaft structure of fluting that can eliminate drive gap |
| CN110219864A (en) * | 2019-06-06 | 2019-09-10 | 法施达科技有限公司 | A kind of expansion anchor that anti-tube expansion falls off |
| CN111594519A (en) * | 2019-09-10 | 2020-08-28 | 李宝彦 | Dismantle convenient novel expansion bolts |
| CN113914512A (en) * | 2021-08-05 | 2022-01-11 | 中交一公局集团有限公司 | Mounting structure and mounting method of frame type glass curtain wall |
| CN113914512B (en) * | 2021-08-05 | 2022-10-04 | 中交一公局集团有限公司 | Mounting structure and mounting method of frame type glass curtain wall |
| WO2023036106A1 (en) * | 2021-09-08 | 2023-03-16 | 潘树江 | Expansion bolt |
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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 |
Granted publication date: 20150715 Termination date: 20151211 |
|
| EXPY | Termination of patent right or utility model |