CN202612315U - Bidirectional expansion bolt - Google Patents
Bidirectional expansion bolt Download PDFInfo
- Publication number
- CN202612315U CN202612315U CN 201220234246 CN201220234246U CN202612315U CN 202612315 U CN202612315 U CN 202612315U CN 201220234246 CN201220234246 CN 201220234246 CN 201220234246 U CN201220234246 U CN 201220234246U CN 202612315 U CN202612315 U CN 202612315U
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- CN
- China
- Prior art keywords
- bolt
- locking nut
- expand tube
- tapered sleeve
- anchor bolts
- 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 bidirectional expansion bolt, which comprises a bolt, a locking nut and an expanding pipe, wherein one end of the bolt is provided with a thread section; the locking nut is assembled on the thread section of the bolt; the other end of the bolt is provided with a taper-shaped countersunk head; the expanding pipe is sheathed on the bolt between the locking nut and the taper-shaped countersunk head; two ends of the expanding pipe are respectively provided with a plurality of notches; and the bolt between the expanding pipe and the locking nut is sheathed with a setting load component. When the bidirectional expansion bolt disclosed by the utility model is used, two ends of the expanding pipe are extruded to expand two ends of the expanding pipe, two ends of the expanding pipe are in a reverse radiation shape and are tightly wedged on a construction body, and the fixing firmness of the expanding pipe is not affected even if the borne load is subjected to a big vibration. The bidirectional expansion bolt is very reliable and has a high safety. In addition, when the setting load component adopts a taper sleeve and a compression spring, the axial feeding precision of the taper sleeve can be effectively controlled according to the characteristics of the compression spring, the load vibration can be conveniently eliminated, and the safety is further improved.
Description
Technical field
The utility model relates to EXPANSION ANCHOR BOLTS, specifically is a kind of two-way EXPANSION ANCHOR BOLTS.
Background technique
EXPANSION ANCHOR BOLTS has obtained using widely in daily life and commercial production as a kind of special thread link, for example as drying rack, air-conditioning etc. are installed.Referring to Fig. 1: conventional EXPANSION ANCHOR BOLTS mainly is made up of bolt A, locking nut B and expand tube E, and the outer end of bolt A is provided with thread section, and locking nut B is assemblied in the thread section of bolt A, and the inner of bolt A has taper countersunk head F; Expand tube E is enclosed within on the bolt A between locking nut B and the taper countersunk head F, and the inner of expand tube E is provided with a plurality of otch, is set with spring washer C and plain washer D on the bolt A between expand tube E and the locking nut B.During use, EXPANSION ANCHOR BOLTS is packed in the hole on the building body G, the locking nut B that screws makes the inner taper countersunk head F of the bolt A otch distending that expand tube E is inner, thereby EXPANSION ANCHOR BOLTS is taken root on building body G.
Though above-mentioned EXPANSION ANCHOR BOLTS can effectively be taken root on the building body, it is stressed because of unidirectional expansion, and soundness is not high, when the load of carrying has than big bang, very likely makes EXPANSION ANCHOR BOLTS and building body get loose poor stability.
Summary of the invention
The purpose of the utility model is: to the deficiency of above-mentioned existing technology, a kind of simple in structure, fixation, safe and reliable two-way EXPANSION ANCHOR BOLTS are provided.
The technological scheme that the utility model adopts is: a kind of two-way EXPANSION ANCHOR BOLTS, comprise bolt, locking nut and expand tube, and an end of said bolt is provided with thread section, the thread section of locking nut assembling bolt, the other end of bolt has the taper countersunk head; Said expand tube is enclosed within on the bolt between locking nut and the taper countersunk head, and the two ends of said expand tube are respectively equipped with a plurality of otch, is set with support power parts on the bolt between said expand tube and the locking nut.
Said support power parts mainly are made up of tapered sleeve and pressure spring; The miner diameter end of said tapered sleeve is corresponding with the internal diameter of expand tube; Said pressure spring is connected to the bigger diameter end of tapered sleeve.
Be covered with protecting cover on the periphery of said pressure spring, protecting cover is connected to the bigger diameter end of tapered sleeve.
Said protecting cover is made by rubber material or bellows.
Or said support power parts mainly are made up of tapered sleeve and pushing tow cover, and the miner diameter end of tapered sleeve is corresponding with the internal diameter of expand tube, and the pushing tow cover is arranged in the bigger diameter end of tapered sleeve.
Said tapered sleeve and pushing tow cover are structure as a whole.
Otch on the said expand tube is an axial cut-outs.
Be set with spring washer and plain washer on the bolt between said locking nut and the support power parts.
The beneficial effect of the utility model is: above-mentioned EXPANSION ANCHOR BOLTS through the both-end extruding to expand tube, makes the both-end distending of expand tube in use; It is opposing radial that the both-end of expand tube is; Tightly be fixed on the building body,, also can not influence its fixing soundness even if the load of carrying has than big bang; Very reliable, safe; In addition, when support power parts adopt tapered sleeve and pressure spring, rely on the characteristic of pressure spring, can effectively control the axial feed precision of tapered sleeve, also be convenient to eliminate the vibrations of load, further improved Security.The utlity model has reasonable in design, simple in structure, cheap, fixation, characteristics such as safe and reliable, practical.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a kind of user mode schematic representation of conventional EXPANSION ANCHOR BOLTS.
Fig. 2 is a kind of user mode schematic representation of the utility model.
Fig. 3 is the another kind of user mode schematic representation of the utility model.
Embodiment
Embodiment 1
Referring to Fig. 2: the utility model comprises bolt 1, locking nut 3 and expand tube 7.Wherein, the outer end of bolt 1 is provided with thread section, and locking nut 3 is assemblied in the thread section of bolt 1, and the inner of bolt 1 has taper countersunk head 2.The internal diameter of expand tube 7 is bigger slightly than the external diameter of bolt 1; Expand tube 7 is enclosed within on the bolt 1 between locking nut 3 and the taper countersunk head 2; The inner of expand tube 7 and outer end are respectively equipped with a plurality of axial cut-outs; Be set with support power parts, plain washer 5 and spring washer 4 on the bolt 1 between expand tube 7 and the locking nut 3, the inner otch of expand tube 7 supplies taper countersunk head 2 extruding of bolt 1, and the outer end otch of expand tube 7 supplies the extruding of support power parts.These support power parts mainly are made up of tapered sleeve 6 and pressure spring 10, and the miner diameter end of tapered sleeve 6 is corresponding with the internal diameter of expand tube 7, and the inner of pressure spring 10 is connected to the bigger diameter end of tapered sleeve 6, and the outer end of pressure spring 10 is connected on the plain washer 5; In order to prevent to build the disintegrating slag clamping stagnation pressure spring 10 on the body; On the periphery of pressure spring 10, be covered with the protecting cover 11 (also can adopt bellows to replace) that the rubber material is made; The inner of protecting cover 11 is connected to the bigger diameter end of tapered sleeve 6, and the outer end of protecting cover 11 is connected on the plain washer 5.
The using process of the utility model is: on building body 9, get out a corresponding hole of size, require the degree of depth in hole to approximate the length that one of expand tube 7 length plus thirty support the power parts; Successively expand tube 7, support power parts, protecting cover 11, plain washer 5, spring washer 4, locking nut 3 are assemblied on the bolt 1; The inner (being taper countersunk head 2 ends) of bolt 1 is inserted in the hole of building body 9; One section pressure spring 10 hand-hole until support power parts; Tighten locking nut 3, make the otch distending of expand tube 7 the inners and outer end, wedging building body 9.Generally, pressure spring 10 when the load vibrations of carrying, can be used as the vibrations of eliminating load not by compression fully; When pressure spring 10 is in when compressing fully, just can form rigid sleeve.
Embodiment 2
Referring to Fig. 3: the utility model comprises bolt 1, locking nut 3 and expand tube 7.Wherein, the outer end of bolt 1 is provided with thread section, and locking nut 3 is assemblied in the thread section of bolt 1, and the inner of bolt 1 has taper countersunk head 2.The internal diameter of expand tube 7 is bigger slightly than the external diameter of bolt 1; Expand tube 7 is enclosed within on the bolt 1 between locking nut 3 and the taper countersunk head 2; The inner of expand tube 7 and outer end are respectively equipped with a plurality of axial cut-outs; Be set with support power parts, plain washer 5 and spring washer 4 on the bolt 1 between expand tube 7 and the locking nut 3, the inner otch of expand tube 7 supplies taper countersunk head 2 extruding of bolt 1, and the outer end otch of expand tube 7 supplies the extruding of support power parts.These support power parts mainly are made up of tapered sleeve 6 and pushing tow cover 8; The miner diameter end of tapered sleeve 6 is corresponding with the internal diameter of expand tube 7; Pushing tow cover 8 is arranged in the bigger diameter end of tapered sleeve 6, and tapered sleeve 6 is structure as a whole (also can be the branch body structure) with pushing tow cover 8, and the outer end of pushing tow cover 8 is connected on the plain washer 5.
The using process of the utility model is: on building body 9, get out a corresponding hole of size, require the degree of depth in hole to approximate the length that one of expand tube 7 length plus thirty support the power parts; Successively expand tube 7, support power parts, plain washer 5, spring washer 4, locking nut 3 are assemblied on the bolt 1; The inner (being taper countersunk head 2 ends) of bolt 1 is inserted in the hole of building body 9; Truncation pushing sleeve 8 hand-holes until support power parts; Tighten locking nut 3, make the otch distending of expand tube 7 the inners and outer end, wedging building body 9.
Claims (8)
1. two-way EXPANSION ANCHOR BOLTS; Comprise bolt (1), locking nut (3) and expand tube (7); One end of said bolt (1) is provided with thread section, and locking nut (3) is assemblied in the thread section of bolt (1), and the other end of bolt (1) has taper countersunk head (2); Said expand tube (7) is enclosed within on the bolt (1) between locking nut (3) and the taper countersunk head (2); It is characterized in that: the two ends of said expand tube (7) are respectively equipped with a plurality of otch, are set with support power parts on the bolt (1) between said expand tube (7) and the locking nut (3).
2. according to the said two-way EXPANSION ANCHOR BOLTS of claim 1, it is characterized in that: said support power parts mainly are made up of tapered sleeve (6) and pressure spring (10); The miner diameter end of said tapered sleeve (6) is corresponding with the internal diameter of expand tube (7); Said pressure spring (10) is connected to the bigger diameter end of tapered sleeve (6).
3. according to the said two-way EXPANSION ANCHOR BOLTS of claim 2, it is characterized in that: be covered with protecting cover (11) on the periphery of said pressure spring (10), protecting cover (11) is connected to the bigger diameter end of tapered sleeve (6).
4. according to the said two-way EXPANSION ANCHOR BOLTS of claim 3, it is characterized in that: said protecting cover (11) is made by rubber material or bellows.
5. according to the said two-way EXPANSION ANCHOR BOLTS of claim 1; It is characterized in that: said support power parts mainly are made up of tapered sleeve (6) and pushing tow cover (8); The miner diameter end of tapered sleeve (6) is corresponding with the internal diameter of expand tube (7), and pushing tow cover (8) is arranged in the bigger diameter end of tapered sleeve (6).
6. according to the said two-way EXPANSION ANCHOR BOLTS of claim 5, it is characterized in that: said tapered sleeve (6) and pushing tow cover (8) are structure as a whole.
7. according to the said two-way EXPANSION ANCHOR BOLTS of claim 1, it is characterized in that: the otch on the said expand tube (7) is an axial cut-outs.
8. according to the said two-way EXPANSION ANCHOR BOLTS of claim 1, it is characterized in that: be set with spring washer (4) and plain washer (5) on the bolt (1) between said locking nut (3) and the support power parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220234246 CN202612315U (en) | 2012-05-23 | 2012-05-23 | Bidirectional expansion bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220234246 CN202612315U (en) | 2012-05-23 | 2012-05-23 | Bidirectional expansion bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202612315U true CN202612315U (en) | 2012-12-19 |
Family
ID=47346017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220234246 Expired - Fee Related CN202612315U (en) | 2012-05-23 | 2012-05-23 | Bidirectional expansion bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202612315U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982517A (en) * | 2014-06-03 | 2014-08-13 | 常州汇森电子有限公司 | Telescopic spring copper column |
| CN105904363A (en) * | 2016-05-30 | 2016-08-31 | 安瑞装甲材料（芜湖）科技有限公司 | Bulletproof helmet clamping device |
| CN106151232A (en) * | 2016-09-19 | 2016-11-23 | 浙江亦宸五金有限公司 | A kind of sealing bolt connecting fastening |
| CN107524682A (en) * | 2017-09-01 | 2017-12-29 | 宁波正宇紧固件有限公司 | A kind of fastener being easily installed |
| CN107956777A (en) * | 2017-11-17 | 2018-04-24 | 黄传勇 | A kind of polycyclic pull explosive screw |
| CN110234893A (en) * | 2016-12-21 | 2019-09-13 | 卢德维希海蒂诗控股有限责任两合公司 | For engaging or the system of strengthening part |
| CN112078960A (en) * | 2020-09-07 | 2020-12-15 | 杭州王之新创信息技术研究有限公司 | Sealing structure for static sealing of bore of drum |
| CN112160964A (en) * | 2020-11-10 | 2021-01-01 | 扬州工业职业技术学院 | Constant-force self-tightening anti-loose bolt |
| CN113417928A (en) * | 2021-07-01 | 2021-09-21 | 浙江超博尔五金股份有限公司 | Fixing bolt for automobile air conditioner |
-
2012
- 2012-05-23 CN CN 201220234246 patent/CN202612315U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982517A (en) * | 2014-06-03 | 2014-08-13 | 常州汇森电子有限公司 | Telescopic spring copper column |
| CN105904363A (en) * | 2016-05-30 | 2016-08-31 | 安瑞装甲材料（芜湖）科技有限公司 | Bulletproof helmet clamping device |
| CN106151232A (en) * | 2016-09-19 | 2016-11-23 | 浙江亦宸五金有限公司 | A kind of sealing bolt connecting fastening |
| CN110234893A (en) * | 2016-12-21 | 2019-09-13 | 卢德维希海蒂诗控股有限责任两合公司 | For engaging or the system of strengthening part |
| US11306496B2 (en) | 2016-12-21 | 2022-04-19 | Ludwig Hettich Holding Gmbh & Co. Kg | Method for attaching mounted parts to concrete or masonry |
| CN107524682A (en) * | 2017-09-01 | 2017-12-29 | 宁波正宇紧固件有限公司 | A kind of fastener being easily installed |
| CN107956777A (en) * | 2017-11-17 | 2018-04-24 | 黄传勇 | A kind of polycyclic pull explosive screw |
| CN112078960A (en) * | 2020-09-07 | 2020-12-15 | 杭州王之新创信息技术研究有限公司 | Sealing structure for static sealing of bore of drum |
| CN112160964A (en) * | 2020-11-10 | 2021-01-01 | 扬州工业职业技术学院 | Constant-force self-tightening anti-loose bolt |
| CN113417928A (en) * | 2021-07-01 | 2021-09-21 | 浙江超博尔五金股份有限公司 | Fixing bolt for automobile air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20140523 |