CN103615458A - Eccentric-rotating-type unilateral bolt fastening member - Google Patents
Eccentric-rotating-type unilateral bolt fastening member Download PDFInfo
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- CN103615458A CN103615458A CN201310587223.8A CN201310587223A CN103615458A CN 103615458 A CN103615458 A CN 103615458A CN 201310587223 A CN201310587223 A CN 201310587223A CN 103615458 A CN103615458 A CN 103615458A
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- bolt
- eccentric
- bolt head
- pipe fitting
- adjusting sleeve
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Abstract
The invention relates to an eccentric-rotating-type unilateral bolt fastening member. A bolt head and a bolt rod are in eccentric arrangement, a contact face of the bolt head is a circular arc face matched with the inner wall of a pipe fitting during mounting, an eccentric sleeve is matched with the bolt rod, the inner diameter of the eccentric sleeve is equal to the axis diameter of the bolt rod while the outer diameter of the same is equal to the diameter of the bolt head, and the eccentric sleeve and the bolt head are identical in eccentricity. When the eccentric-rotating-type unilateral bolt fastening member is mounted, the bolt rod is enabled to penetrate the eccentric sleeve, a bolt or the eccentric sleeve is rotated to enable axes of outer circles of the bolt head and the eccentric sleeve to be coincident, both the bolt head and the eccentric sleeve are enabled to penetrate into a mounting hole, at the moment, the eccentricity direction of the eccentric sleeve and the axis direction of the pipe fitting are maintained to be consistent, the bolt head is rotated by 180 degrees through the bolt rod when the bolt head enters the inner side of the mounting hole, the inner wall of the pipe fitting is pressed tightly, a fastening washer is cushioned on the outer-side surface of the mounting hole, locking is realized through a nut, and the bolt head is tightly pressed on a pipe wall through threaded connection of the nut and the bolt, so that unilateral connection and fastening of a structural member are effectively realized. The eccentric-rotating-type unilateral bolt fastening member can realize unilateral operation, complete connection and fastening of the structural member and realize reutilization.
Description
Technical field
The present invention relates to a kind of structural member that can be used for and connect the bolt fastener that carries out monolateral installation in fastening, belong to civil construction project, mechanical assembly technique field.
Background technique
Current in civil construction and mechanical erection field, structural member is connected to fastening installation requirements amount large.With regard to the bolt generally using at present, when member is implemented to connect terminal operation, staff needs simultaneously, in the operation of member both sides, in a side, to insert nut bolt, then at opposite side with instrument by nut screwing clamping.This method for fastening connection is simple in structure, easy to operate, carry, but be only applicable in opening section member, in some special occasions, such as closed cross-section member or inconvenient member in an other side operation being connected when fastening, just cannot use this conventional bolt and nut method for fastening connection.Such as: in steel-pipe construction and concrete filled steel tube, beam-column connection place, because Steel Cylindrical Column is closed section, can not operate on both sides, can only one-sided connection, therefore cannot adopt this conventional bolt and nut to connect fastening and carry out fastening installation.And the monolateral locking device connecting for plate, pipe at present seldom, and need more complicated setting tool and more loaded down with trivial details installation steps both at home and abroad.
Summary of the invention
The present invention is for avoiding the existing deficiency of above-mentioned prior art, provides a kind of eccentric rotation-type monolateral bolt fastener, realizes monolateral enforcement terminal operation, also can be as required, and for convenience detach, reusable.
The monolateral bolt fastener of eccentric rotation-type that the present invention proposes, described device consists of bolt 1, eccentric adjusting sleeve 2, pad 3 and nut 4, the bolt head 1a and the bolt shank 1c that it is characterized in that bolt 1 are set for the eccentric, the arc surface that the surface of contact 1b of bolt head 1a matches with pipe fitting inner wall while being installation, is provided with screw thread on bolt shank 1c, eccentric adjusting sleeve 2 and bolt shank 1c match, and its internal diameter equals the bolt diameter of axle, and its external diameter equals bolt head diameter, and the two has identical throw of eccentric, during installation, first bolt shank 1c is passed to eccentric adjusting sleeve 2, swivel bolt 1 or eccentric adjusting sleeve 2, make the dead in line of bolt head 1a and eccentric adjusting sleeve 2 cylindricals, then the two is together penetrated to the mounting hole of pipe fitting 6 and plate 5 superimposed compositions, notice that now throw of eccentric direction and pipe fitting 6 axial directions of eccentric adjusting sleeve 2 are consistent, when inside bolt head 1a enters mounting hole, by bolt shank 1c by bolt head 1a Rotate 180 °, and press pipe fitting 6 inwalls, then at mounting hole outer surface pad, tighten packing ring 3, after again with nut 4 locking, by nut 4, with being threaded of bolt 1, bolt head is pressed on tube wall, thereby the effectively monolateral connection of implementation structure part and fastening.
In the present invention, in bolt 1, bolt head 1a and bolt shank 1c are set for the eccentric, the arc surface 1b that the surface of contact of bolt head 1a matches with pipe fitting inner wall while being installation.
In the present invention, eccentric adjusting sleeve 2 and bolt shank 1c have identical throw of eccentric, and during the dead in line of bolt head 1a and eccentric adjusting sleeve 2 cylindricals, the two can together pass mounting hole, when relative eccentric adjusting sleeve 2 Rotate 180s of bolt head 1a °, can be pressed in pipe fitting 6 inwalls.
The structural feature of the monolateral bolt fastener of the present invention is: bolt head and the bolt shank of bolt are set for the eccentric, the arc surface that the surface of contact of bolt head matches with pipe fitting inner wall while being installation; Eccentric adjusting sleeve and bolt shank match, and its internal diameter equals the bolt diameter of axle, and its external diameter equals bolt head diameter, and the two has identical throw of eccentric.
Compared with the prior art, beneficial effect of the present invention is:
1, the present invention only needs a side operation, just can complete the connection terminal operation of bolt;
2, the present invention is simple in structure, cheap, easy to assembly, easy to implement;
3, the present invention can realize for convenience detach, reusable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 a is the plan view of bolt in the present invention, and Fig. 2 b is the right elevation of Fig. 2 a, the stereogram that Fig. 2 c is bolt;
Fig. 3 is the stereogram of eccentric adjusting sleeve in the present invention;
Fig. 4 is installation process schematic diagram of the present invention;
Fig. 5 is the plan view after installation of the present invention,
Fig. 6 is the sectional view of Fig. 5.
Number in the figure: 1a bolt head, 1b bolt head is installed surface of contact, 1c bolt shank, 2 eccentric adjusting sleeves, 3 pads, 4 nuts, 5 plates, 6 pipe fittings, 7a mounting hole outside, 7b mounting hole, 7c mounting hole inner side.
Embodiment
Below by embodiment, further illustrate by reference to the accompanying drawings the present invention.
Embodiment 1: the present invention consists of bolt 1, eccentric adjusting sleeve 2, pad 3 and nut 4, bolt head 1a and the bolt shank 1c of described bolt 1 are set for the eccentric, the arc surface that the surface of contact 1b of bolt head 1a matches with pipe fitting inner wall while being installation, is provided with screw thread on bolt shank 1c; Eccentric adjusting sleeve 2 and bolt shank 1c match, and its internal diameter equals the bolt diameter of axle, and its external diameter equals bolt head diameter, and the two has identical throw of eccentric.
Mounting type:
1, first bolt shank 1c is passed to eccentric adjusting sleeve 2, swivel bolt 1 or eccentric adjusting sleeve 2, make the dead in line of bolt head 1a and eccentric adjusting sleeve 2 cylindricals, then the two is together stretched into mounting hole from mounting hole outside, notice that now throw of eccentric direction and pipe fitting 6 axial directions of eccentric adjusting sleeve 2 are consistent;
2,, when inside bolt head 1a enters mounting hole, by bolt shank 1c, by bolt head 1a Rotate 180 °, and press pipe fitting 6 inwalls;
3, then at mounting hole outer surface pad, tighten packing ring 3, after again with nut 4 locking, by nut 4, with being threaded of bolt 1, bolt head is pressed on tube wall, complete connection between structural member and fastening.
While 4, dismantling, unscrew after nut 4, take off nut 4 and pad 3, operating screw bar 1c a little toward mounting hole medial movement Rotate 180 °, just can take out bolt head 1a by bolt and eccentric adjusting sleeve smoothly in the lump.
Claims (1)
1. the monolateral bolt fastener of eccentric rotation-type, described device consists of bolt (1), eccentric adjusting sleeve (2), pad (3) and nut (4), it is characterized in that bolt (1) is comprised of bolt head (1a) and bolt shank (1c), described bolt head (1a) and bolt shank (1c) are set for the eccentric, the arc surface that the surface of contact (1b) of bolt head (1a) matches with pipe fitting (6) inwall while being installation, is provided with screw thread on bolt shank (1c), eccentric adjusting sleeve (2) and bolt shank (1c) match, and its internal diameter equals the bolt shank diameter of axle, and its external diameter equals bolt head diameter, and the two has identical throw of eccentric, during installation, bolt shank (1c) is through eccentric adjusting sleeve (2), swivel bolt (1) or eccentric adjusting sleeve (2), make the dead in line of bolt head (1a) and eccentric adjusting sleeve (2) cylindrical, then the two is together passed to the mounting hole of pipe fitting (6) and the superimposed composition of plate (5), the throw of eccentric direction of eccentric adjusting sleeve (2) and pipe fitting (6) axial direction need be consistent, when inside bolt head (1a) enters mounting hole, by bolt shank (1c) by bolt head (1a) Rotate 180 °, and press pipe fitting (6) inwall, at mounting hole outer surface pad, tighten pad (3), with nut (4), lock, by nut (4), with being threaded of bolt (1), bolt head is pressed on the tube wall of pipe fitting (6), the monolateral connection of implementation structure part and fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587223.8A CN103615458B (en) | 2013-11-21 | 2013-11-21 | A kind of eccentric rotation-type unilateral bolt fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310587223.8A CN103615458B (en) | 2013-11-21 | 2013-11-21 | A kind of eccentric rotation-type unilateral bolt fastener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103615458A true CN103615458A (en) | 2014-03-05 |
| CN103615458B CN103615458B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310587223.8A Active CN103615458B (en) | 2013-11-21 | 2013-11-21 | A kind of eccentric rotation-type unilateral bolt fastener |
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| CN (1) | CN103615458B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002277A (en) * | 2014-05-19 | 2014-08-27 | 同济大学 | Installation tool for split type nesting unilateral fastener |
| CN106438644A (en) * | 2016-11-04 | 2017-02-22 | 同济大学 | Eccentric torsional shear damage type self-fixing single-side bolt fastener |
| CN106801695A (en) * | 2017-03-03 | 2017-06-06 | 四川东树新材料有限公司 | A kind of fastener and fastening method of unilateral low-angle flange connection |
| CN108851720A (en) * | 2015-08-13 | 2018-11-23 | 郑牧之 | Round wooden bed frame strung with crisscross coir ropes bed and its manufacturing method |
| CN109459445A (en) * | 2018-12-19 | 2019-03-12 | 杭州戬威机电科技有限公司 | Fan blade of wind driven generator scanning device |
| CN110345140A (en) * | 2019-08-01 | 2019-10-18 | 瑞安市新华机械标准件厂 | Positive and negative bidirectional fastening screw |
| CN111785561A (en) * | 2020-04-02 | 2020-10-16 | 平高集团有限公司 | Control switch for controllable lightning arrester and operating mechanism fixing structure thereof |
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| US20050084361A1 (en) * | 2003-10-20 | 2005-04-21 | Fly David E. | Alignment pin and fastener with bi-directional clamping |
| CN201164434Y (en) * | 2008-03-07 | 2008-12-17 | 柳志芳 | Installation structure of closet cover board |
| CN201507052U (en) * | 2009-09-29 | 2010-06-16 | 泛华建设集团有限公司 | Removable inner curtain wall eccentric screw bolt connection hanging element |
| CN202451568U (en) * | 2012-01-20 | 2012-09-26 | 重庆长安汽车股份有限公司 | Automobile chassis four-wheel positioning parameter adjusting bolt assembly |
| CN202991777U (en) * | 2012-12-15 | 2013-06-12 | 周述文 | Three-eccentric combination bolt |
| JP2013221533A (en) * | 2012-04-13 | 2013-10-28 | Naniwa Seisakusho:Kk | Fixing implement and fixing method |
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2013
- 2013-11-21 CN CN201310587223.8A patent/CN103615458B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050084361A1 (en) * | 2003-10-20 | 2005-04-21 | Fly David E. | Alignment pin and fastener with bi-directional clamping |
| CN201164434Y (en) * | 2008-03-07 | 2008-12-17 | 柳志芳 | Installation structure of closet cover board |
| CN201507052U (en) * | 2009-09-29 | 2010-06-16 | 泛华建设集团有限公司 | Removable inner curtain wall eccentric screw bolt connection hanging element |
| CN202451568U (en) * | 2012-01-20 | 2012-09-26 | 重庆长安汽车股份有限公司 | Automobile chassis four-wheel positioning parameter adjusting bolt assembly |
| JP2013221533A (en) * | 2012-04-13 | 2013-10-28 | Naniwa Seisakusho:Kk | Fixing implement and fixing method |
| CN202991777U (en) * | 2012-12-15 | 2013-06-12 | 周述文 | Three-eccentric combination bolt |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002277A (en) * | 2014-05-19 | 2014-08-27 | 同济大学 | Installation tool for split type nesting unilateral fastener |
| CN104002277B (en) * | 2014-05-19 | 2016-04-06 | 同济大学 | A kind of split type nested monolateral fastener installation tool |
| CN108851720A (en) * | 2015-08-13 | 2018-11-23 | 郑牧之 | Round wooden bed frame strung with crisscross coir ropes bed and its manufacturing method |
| CN106438644A (en) * | 2016-11-04 | 2017-02-22 | 同济大学 | Eccentric torsional shear damage type self-fixing single-side bolt fastener |
| CN106438644B (en) * | 2016-11-04 | 2018-06-29 | 同济大学 | A kind of eccentric turn round cuts damage type self-retaining unilateral bolt fastener |
| CN106801695A (en) * | 2017-03-03 | 2017-06-06 | 四川东树新材料有限公司 | A kind of fastener and fastening method of unilateral low-angle flange connection |
| CN109459445A (en) * | 2018-12-19 | 2019-03-12 | 杭州戬威机电科技有限公司 | Fan blade of wind driven generator scanning device |
| CN110345140A (en) * | 2019-08-01 | 2019-10-18 | 瑞安市新华机械标准件厂 | Positive and negative bidirectional fastening screw |
| CN111785561A (en) * | 2020-04-02 | 2020-10-16 | 平高集团有限公司 | Control switch for controllable lightning arrester and operating mechanism fixing structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103615458B (en) | 2016-01-20 |
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