CN103671450A - Extrudable unidirectional fastening bolt - Google Patents
Extrudable unidirectional fastening bolt Download PDFInfo
- Publication number
- CN103671450A CN103671450A CN201310639380.9A CN201310639380A CN103671450A CN 103671450 A CN103671450 A CN 103671450A CN 201310639380 A CN201310639380 A CN 201310639380A CN 103671450 A CN103671450 A CN 103671450A
- Authority
- CN
- China
- Prior art keywords
- screw
- nut
- screw rod
- bolt
- unidirectional
- 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.)
- Pending
Links
Images
Abstract
The invention discloses an extrudable unidirectional fastening bolt, and belongs to the field of construction and mounting of steel-structure buildings. The extrudable unidirectional fastening bolt is a bolt device capable of being screwed after being plugged unidirectionally and can be applied to unidirectional screwing of building steel structures with closed sections for connection. The extrudable unidirectional fastening bolt comprises a screw serving as a main body of the unidirectional bolt and further comprises a sleeve ring, a hoop, a gasket and a nut sequentially. The sleeve ring, the hoop, the gasket and the nut are adjacently connected with one another and are assembled on the screw. The screw is axially divided into a head, a middle portion, a rear middle portion and a tail according to regions. The head of the screw is provided with a protrusion serving as a screw cap. The radius of the cross section of the middle portion of the screw decreases, and the middle portion is used for being sleeved into the compressible sleeve ring and then into the rigid hoop. The rear middle portion of the screw is provided with a thread and used for screwing the nut. The tail of the screw is partially smoothed. The bidirectional bolt can apply pretightening force to connected members, works like common high-strength bolts and is high in bearing capacity, so that the connected members are not easy to slip.
Description
Technical field
The invention belongs to steel building construction and installation field, be specifically related to a kind of bolt device that can tighten of being put into by one direction, the steel member that can be used for closed cross-section in building has been tightened connection one-sided.
Background technique
Current bolt is comprised of screw rod and nut conventionally, while being fastenedly connected for rod member, need in a side, insert screw rod in the operation simultaneously of the both sides of rod member, and opposite side is tightened nut with instrument, and this bolt only can be for opening section.In some occasion, in the time of cannot carrying out both sides terminal operation as being fastenedly connected of closure member (as square steeel tube, round steel pipe) with other, this bolt use is very inconvenient maybe can not be used.
Common EXPANSION ANCHOR BOLTS can unidirectional operation, but can not apply pretightening force, and mainly relies on expansion blade and screw rod shearing resistance to carry out load, and bearing capacity is limited, and unstable.
Summary of the invention
The present invention, for solving above-mentioned the deficiencies in the prior art part, provides a kind of unidirectional clamping bolt.To solve the bolt that there is no at present reliable performance and can be fastenedly connected from member one side easily.
The technological scheme that the present invention provides is:
Structure connects an one-way bolt for use, and its structural characterization is:
It comprises screw rod, as the main body of one-way bolt;
It also comprises the collar, cuff, packing ring, the nut adjoining each other cis-position time, is all inserted in and is assembled on described screw rod;
Described screw axial is divided into head, middle part, mid-rear portion, afterbody by region;
The head of described screw rod has projection, as nut, and can be through the perforate of member;
Described screw rod middle part section radius dwindles, and for being inserted in the collar that can be crushed, then is inserted in the cuff of a rigidity; The described collar adopts low-yield steel making, and middle part has slotted eye, and wall thickness is dwindled to centre by end;
The mid-rear portion of described screw rod has screw thread, for tightening described nut;
Described screw rod tail is scabbled by part, so, when fastening nut, screw rod can not rotated together with nut.
Usage mode and action principle thereof: during nut screwing clamping, by extruding cuff, finally push the collar, the collar is flattened, block member, continue fastening nut, until the collar can not be crushed again, member can be fastened.While tightening, in screw rod, there is pretightening force, the similar conventional frictional high-strength bolts at present of working state of connection.
By above technological scheme, the present invention has following technique effect:
The present invention only need to one of member be sidelong into, can tighten, realize unidirectional being fastenedly connected.
2. the present invention can apply pretension in screw rod, reaches the effect of frictional high-strength bolts.
3. the present invention, not reducing under the prerequisite of installation rate and node strength, has realized the requirement of monolateral connection well.
Accompanying drawing explanation
Fig. 1 is the schematic diagram before one-way bolt of the present invention is tightened
Fig. 2 is the schematic diagram after one-way bolt of the present invention is tightened
Fig. 3 is the front view of screw rod in Fig. 1 and plan view, side view
Fig. 4 is the front view of the collar in Fig. 1 and side view, sectional drawing
Fig. 5 is front view and the side view of cuff in Fig. 1
Fig. 6 is front view and the side view of Fig. 1 Intermediate gasket
Parts label declaration: 1-screw rod, 1a-nut, the 2-collar, 3-cuff, 4-pad (packing ring), 5-nut, 6-connected piece.
Embodiment
By particular specific embodiment explanation embodiments of the present invention, person skilled in the art scholar can understand other advantages of the present invention and effect easily by the disclosed content of this specification below.
Structure connects the one-way bolt of use, its structural characterization, as shown in Figure 1:
It comprises screw rod 1, as the main body of one-way bolt, as shown in Figure 3;
It also comprises the collar 2, cuff 3, packing ring 4, the nut 5 adjoining each other cis-position time, is all assembled on described screw rod 1;
Described screw rod 1 is axially divided into head, middle part, mid-rear portion, afterbody by region,
The head of described screw rod 1 has projection, as nut 1a, can through connected piece 6(as shown in Figure 2) perforate,
Described screw rod 1 middle part section radius dwindles, and for being inserted in the collar that can be crushed 2, then is inserted in the cuff 3 of a rigidity, and described collar middle part has slotted eye, and wall thickness dwindles to centre by end, when being squeezed, the collar is easy to deform,
The mid-rear portion of described screw rod 1 has screw thread, for tightening described nut 5,
Described screw rod 1 afterbody is scabbled by part, so, when fastening nut, screw rod 1 can not rotated together with nut 5, and the screw rod tail scabbling can clamping screw rod.
The collar 2 adopts Low Yield Point Steels, and its wall thickness dwindles to middle part by two ends, and sectional drawing B-B as shown in Figure 4, so easily deform and be crushed when being squeezed.
When steel structure member connects, the bolt hole of reserved relevant position corresponding size on two connected pieces 6 of required connection, alignment members during installation, after five assembling parts of one-way bolt being completed according to aforesaid mode, pass bolt hole, with spanner, block screw rod end subsequently, utilizing torque wrench to start that in the outside of closed cross-section nut is applied to moment of torsion tightens, after nut rotation, screw rod travels forward relatively, promote cuff, the cuff extruding collar, the collar is out of shape after being squeezed, block bolt hole, fastening nut, until the collar can not be extruded again, complete connection.As shown in Figure 2.
As shown in Figure 4, be easy to deform when the collar is squeezed, at collar middle part, have slotted eye.
The collar of this one-way bolt is squeezed and can deforms, and can block the hole of connector element, thereby realizes bolt from monolateral function of having tightened installation.After bolt is put bolt hole into, clamping screw rod afterbody, with standing screw, utilizes torque wrench to turn nut simultaneously, in the process that nut advances, can withstand cuff, thereby the extruding collar after being squeezed, the collar deforms, block the hole of connector element, until no longer can be out of shape.The present invention, not reducing under the prerequisite of installation rate and node strength, has realized the requirement of monolateral connection well.
In sum, this one-way bolt, without closed cross-section is carried out to perforate, only need to just be tightened and can complete connection from outside.So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
In addition, this one-way bolt can apply pretightening force to connector element, the similar common high-strength bolt of working state, and bearing capacity is higher, is difficult for occurring slippage between connector element.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (1)
1. structure connects an one-way bolt for use, it is characterized in that,
It comprises screw rod, as the main body of one-way bolt;
It also comprises the collar, cuff, packing ring, the nut adjoining each other cis-position time, is all inserted in and is assembled on described screw rod;
Described screw axial is divided into head, middle part, mid-rear portion, afterbody by region;
The head of described screw rod has projection, as nut;
Described screw rod middle part section radius dwindles, and for being inserted in the collar that can be crushed, then is inserted in the cuff of a rigidity, and described collar middle part has slotted eye, and wall thickness is dwindled to centre by end;
The mid-rear portion of described screw rod has screw thread, for tightening described nut;
Described screw rod tail is scabbled by part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310639380.9A CN103671450A (en) | 2013-12-04 | 2013-12-04 | Extrudable unidirectional fastening bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310639380.9A CN103671450A (en) | 2013-12-04 | 2013-12-04 | Extrudable unidirectional fastening bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103671450A true CN103671450A (en) | 2014-03-26 |
Family
ID=50309959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310639380.9A Pending CN103671450A (en) | 2013-12-04 | 2013-12-04 | Extrudable unidirectional fastening bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103671450A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889262A (en) * | 2016-06-23 | 2016-08-24 | 海盐县海塘标准件厂 | Improved unilateral bolt fastener convenient to assemble and disassemble |
| CN105909641A (en) * | 2016-06-23 | 2016-08-31 | 海盐县海塘标准件厂 | Novel unilateral bolt fastener simple to use |
| CN106286524A (en) * | 2016-10-27 | 2017-01-04 | 沈阳建筑大学 | A kind of torque-shear type self-locking high-strength one-way bolt auxiliary connection and using method thereof |
| CN106505009A (en) * | 2015-09-08 | 2017-03-15 | 沈阳拓荆科技有限公司 | A kind of ceramic baffle plate with metal clamp structure |
| CN108799297A (en) * | 2018-08-13 | 2018-11-13 | 上海同派建筑科技有限公司 | A kind of Self-resetting unilateral bolt fastener system |
| CN110259798A (en) * | 2019-06-17 | 2019-09-20 | 沈阳建筑大学 | A kind of unilateral fastening bolt of extrusion pressing type |
| CN112394470A (en) * | 2020-11-26 | 2021-02-23 | 江门市迈科光学有限公司 | Zoom digital camera lens |
| CN114909384A (en) * | 2022-07-04 | 2022-08-16 | 河南能驰电源有限公司 | Locking structure used between screw and nut |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE832757A (en) * | 1975-05-09 | 1975-12-16 | FIXING ELEMENT | |
| EP0333138A2 (en) * | 1988-03-17 | 1989-09-20 | The B.F. Goodrich Company | Blind fastener |
| FR2657661A1 (en) * | 1990-01-31 | 1991-08-02 | Bollhoff Co Gmbh Co Kg | BLIND FASTENING DEVICE WITH ELASTIC BODY. |
| CN1126805A (en) * | 1994-10-03 | 1996-07-17 | 赫克国际公司 | Improved high strength blind bolt with uniform high clamp over an extended grip range |
| CN1409803A (en) * | 1999-12-14 | 2003-04-09 | 泰克斯特兰紧固系统有限公司 | In sert and method of installation thereof |
| CN203641239U (en) * | 2013-12-04 | 2014-06-11 | 同济大学 | Squeezing type one-way fastening bolt |
-
2013
- 2013-12-04 CN CN201310639380.9A patent/CN103671450A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE832757A (en) * | 1975-05-09 | 1975-12-16 | FIXING ELEMENT | |
| EP0333138A2 (en) * | 1988-03-17 | 1989-09-20 | The B.F. Goodrich Company | Blind fastener |
| FR2657661A1 (en) * | 1990-01-31 | 1991-08-02 | Bollhoff Co Gmbh Co Kg | BLIND FASTENING DEVICE WITH ELASTIC BODY. |
| CN1126805A (en) * | 1994-10-03 | 1996-07-17 | 赫克国际公司 | Improved high strength blind bolt with uniform high clamp over an extended grip range |
| CN1409803A (en) * | 1999-12-14 | 2003-04-09 | 泰克斯特兰紧固系统有限公司 | In sert and method of installation thereof |
| CN203641239U (en) * | 2013-12-04 | 2014-06-11 | 同济大学 | Squeezing type one-way fastening bolt |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505009A (en) * | 2015-09-08 | 2017-03-15 | 沈阳拓荆科技有限公司 | A kind of ceramic baffle plate with metal clamp structure |
| CN106505009B (en) * | 2015-09-08 | 2020-08-28 | 沈阳拓荆科技有限公司 | Ceramic baffle with metal clamping structure |
| CN105889262A (en) * | 2016-06-23 | 2016-08-24 | 海盐县海塘标准件厂 | Improved unilateral bolt fastener convenient to assemble and disassemble |
| CN105909641A (en) * | 2016-06-23 | 2016-08-31 | 海盐县海塘标准件厂 | Novel unilateral bolt fastener simple to use |
| CN105889262B (en) * | 2016-06-23 | 2017-11-14 | 海盐县海塘标准件厂 | A kind of modified form unilateral bolt fastener of convenient disassembly |
| CN106286524A (en) * | 2016-10-27 | 2017-01-04 | 沈阳建筑大学 | A kind of torque-shear type self-locking high-strength one-way bolt auxiliary connection and using method thereof |
| CN108799297A (en) * | 2018-08-13 | 2018-11-13 | 上海同派建筑科技有限公司 | A kind of Self-resetting unilateral bolt fastener system |
| CN110259798A (en) * | 2019-06-17 | 2019-09-20 | 沈阳建筑大学 | A kind of unilateral fastening bolt of extrusion pressing type |
| CN112394470A (en) * | 2020-11-26 | 2021-02-23 | 江门市迈科光学有限公司 | Zoom digital camera lens |
| CN114909384A (en) * | 2022-07-04 | 2022-08-16 | 河南能驰电源有限公司 | Locking structure used between screw and nut |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103671450A (en) | Extrudable unidirectional fastening bolt | |
| CN103541982B (en) | A kind of Nested-type single-side bolt fastener | |
| CN103967902B (en) | A kind of upset deformation type unilateral bolt fastener | |
| CN103511420A (en) | Single-edge fastening bolt | |
| CN104454866B (en) | A kind of monolateral self-locking bolt securing member of torque-shear type | |
| CN203641239U (en) | Squeezing type one-way fastening bolt | |
| CN204284137U (en) | A kind of monolateral self-locking bolt fastening piece | |
| CN204387068U (en) | Anti-loosen screw nut component and use the threaded anti-loosing structure of this assembly | |
| CN207609662U (en) | A kind of detachable expanding screw | |
| CN211639740U (en) | Stud mounting tool | |
| CN112747022A (en) | Anchor assembly for a fastener | |
| CN204585099U (en) | Multiplex can Lengthened wrench | |
| JPH0589642U (en) | Rebar joining device | |
| CN110259795B (en) | Torsional shear type end extrusion type unilateral bolt fastener | |
| CN204673531U (en) | A kind of multifunctional wrench | |
| CN212564805U (en) | Stainless steel clamping and pressing type pipe fitting joint convenient to install | |
| CN208830596U (en) | A kind of reinforced masonry steel bar connection sleeve | |
| CN110977873A (en) | Stud mounting tool and using method thereof | |
| CN201255166Y (en) | Torsional shear type high-strength bolt for steel structure | |
| CN209430580U (en) | It is a kind of can unilateral fastening bolt device | |
| CN211666094U (en) | Taper sleeve type steel bar connector | |
| CN204386038U (en) | Building frame construction infilled wall bar planting plastic fastening | |
| CN211925067U (en) | Novel anti-dismantling structure for refrigeration system | |
| CN215333848U (en) | Expansion anchor bolt | |
| CN110259798A (en) | A kind of unilateral fastening bolt of extrusion pressing type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |