CN204253549U - For the rotary expansion bolt fastener of the monolateral installation of component - Google Patents
For the rotary expansion bolt fastener of the monolateral installation of component Download PDFInfo
- Publication number
- CN204253549U CN204253549U CN201420622440.6U CN201420622440U CN204253549U CN 204253549 U CN204253549 U CN 204253549U CN 201420622440 U CN201420622440 U CN 201420622440U CN 204253549 U CN204253549 U CN 204253549U
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- CN
- China
- Prior art keywords
- rotating plate
- sleeve
- screw rod
- supporting member
- rotary expansion
- 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 rotary expansion bolt fastener for the monolateral installation of component, end is arranged at intervals with the screw rod of three projection rotating shafts with 120 ° and coordinates the sleeve of screw rod, sleeve arranges three projection rotating shafts to be equipped with rotating plate with 120 ° of intervals, and screw rod rear is provided with that screw thread, the screw rod stage casing of matching with nut are polished rod, screw rod leading portion arranges supporting member; Supporting member is arranged at intervals with rotating shaft with 120 °, and coordinates the rotating shaft on sleeve to arrange two-layer three every layer altogether, the rotating plate of totally six rotatable expansion.When rotating plate launches, the part that rotating plate gives prominence to sleeve makes its supporting portion diameter be greater than sleeve outer diameter and tail diameter, is formed and supports; When fastening piece is installed, by screwing of inner screw locking nut, six rotating plate are launched, realize monolateral fastening.The utility model only needs, at side construction bolt, to achieve the one-side operation of bolt.
Description
Technical field
The utility model relates to a kind of bolt fastener for carrying out monolateral installation in workpiece, belongs to Building technology and Automatic manual transmission field.
Background technique
With regard to the plain bolt be made up of screw rod and nut generally used at present, when carrying out terminal operation, need insert screw rod and binding nut, then tightened by nut at opposite side instrument in side, installation requirement installation personnel is simultaneously in the operation of component both sides.But relative to the installation of more common opening section component, for such as closed cross-section member and the component being inconvenient to touch wherein one side, this bolt generally used is inconvenient in use.As at the place such as concrete filled steel tube, beam-column connection, because column section mostly is closed section, plain bolt can not operate on both sides, and therefore commonsense method cannot be installed.Common expansion one-way bolt is because being difficult to the applying realizing bolt pretightening, and fastening effect also cannot reach designing requirement under larger load.And the reserved required precision of punching bolt-for-bolt hole of the prior art is high especially, in-site installation difficulty is large, and is difficult to application at side column and corner post Nodes.And in existing monolateral bolt, be not suitable for longspan or large load structure, and need more complicated setting tool and more loaded down with trivial details installation steps.
Model utility content
technical problem:the utility model provide a kind of can overcome existing bolt can not monolateral fastening deficiency, improve the rotary expansion bolt fastener for the monolateral installation of component of bolton effect.
technological scheme:rotary expansion bolt fastener for the monolateral installation of component of the present utility model, comprise the screw rod that one end is provided with supporting member, be enclosed within the sleeve that the intermediate bar of described screw rod is external, the locking nut of the screw rod the other end is arranged on by screw thread, connect the rotary expansion supporting component be arranged between described supporting member and sleeve, the outer installment that described sleeve closes on locking nut one end has screw thread, the other end close on supporting member and be provided with by quill to centered by the raised rotating shaft of equally distributed more than three or three, described rotary expansion supporting component is made up of the first rotating plate be mutually socketed and the second rotating plate, hinged rotating shaft between described first rotating plate and the second rotating plate and sleeve parallel to an axis, first rotating plate one end is arranged on supporting member by bearing pin, described second rotating plate one end is arranged on sleeve by projection rotating shaft.
In the utility model, end is arranged at intervals with the screw rod of three projection rotating shafts with 120 ° and coordinates the sleeve of screw rod, sleeve is arranged at intervals with three projection rotating shafts to be equipped with rotating plate with 120 °, and screw rod rear is provided with that screw thread, the screw rod stage casing of matching with nut are polished rod, screw rod leading portion arranges supporting member; Supporting member is arranged at intervals with rotating shaft with 120 °, and coordinates the rotating shaft on sleeve to arrange two-layer three every layer altogether, the rotating plate of totally six rotatable expansion, the fan-shaped outside of six rotating plate can be made to be stacked on same circumferential position vertically by rotating; Also six rotating plate can be launched by rotation, when rotating plate launches, the part that rotating plate gives prominence to sleeve makes its supporting portion diameter be greater than sleeve outer diameter and tail diameter; When fastening piece is installed, by accommodating screw rod rotary work section outer sleeve, six rotating plate being launched, realizing monolateral fastening.
In preferred version of the present utility model, the end of screw rod being installed locking nut one end is provided with wabbler.
In preferred version of the present utility model, sleeve closes on the screw thread of the outer installment of locking nut one end for clamp structure.
In preferred version of the present utility model, when rotary expansion supporting component is in non-open configuration, the first rotating plate and the second rotating plate are contained in sleeve and supporting member completely, and sleeve is consistent with the external diameter of supporting member.
The structural feature of the utility model bolt fastener is: six nearly blunt end parts of rotating plate divide be provided with rotating shaft with adjacent be stacked rotating plate and sleeve is connected with supporting member, make two-layer rotating plate, supporting member, sleeve shape integrally, and form mechanism, with mechanism principle realize interlock and fastening.
beneficial effect:compared with prior art, the utility model has the following advantages:
1, the utility model only needs, at side construction bolt, to achieve the one-side operation of bolt;
2, after the rotating plate in the utility model on screw rod leading portion supporting member launches, it is vertical with the surface of contact of installation component, is not easy to be pulled out, good fastening effect under load action;
3, when the utility model is implemented to install, only need use instrument on nut, apply suitable pretightening force, can complete and launch and reach fastening effect, operation and plain bolt are as good as, and kit is simple.After installation, node reliability is high, effectively can improve ultimate bearing capacity of joints;
4, the utility model meets Design Of Steel Structure requirement completely, can well be applied to the connection of steel structure node connection and other closed sections, especially concrete filled steel tube;
5, compared with the existing monolateral clamping bolt utilizing special material, do not need to use special material, do not rely on material deformation and form support, stopped fatigue of materials and be out of shape the hidden danger brought further;
6, mechanism supports is directly stressed, more reliable when being applied to the higher use occasion of requirement of strength;
7, compared with the monolateral bolt of other structural principles, principle is simpler, reliably safer.
Accompanying drawing explanation
Figure 1A is the non-deployed condition schematic diagram of the utility model structure; Figure 1B is the A-A sectional view of Figure 1A; Fig. 1 C is the sectional drawing of Figure 1A;
Fig. 2 A and Fig. 2 D is the utility model using state schematic diagram; Fig. 2 B is the A-A sectional view of Fig. 2 A; Fig. 2 C is the sectional drawing of Fig. 2 A;
Fig. 3 A is inner screw schematic diagram in the utility model; Fig. 3 B is the sectional drawing of Fig. 3 A;
Fig. 4 A is outer sleeve schematic diagram in the utility model; Fig. 4 B is the A-A sectional view of Fig. 4 A; Fig. 4 C is the sectional drawing of Fig. 4 A;
Fig. 5 A is the first rotating plate plan view in the utility model; Fig. 5 B is the first rotating plate side view; Fig. 5 C is the first rotating plate plan view;
Fig. 6 A is the second rotating plate plan view in the utility model; Fig. 6 B is the second rotating plate side view; Fig. 6 C is the second rotating plate plan view;
Fig. 7 A is simulation bolt design sketch in place; Fig. 7 B installs locking nut rear support lobe for simulation and struts design sketch; Fig. 7 C is design sketch after the main nut of installation, namely uses design sketch;
Figure has: 1 is screw rod, and 1a is supporting member, and 2 is sleeve, and 21 is projection rotating shaft, 3a first rotating plate, 3b second rotating plate, and 4 is locking nut, and 4a is fastening nut, and 5 need connector element, 6 closed section components.
Embodiment
Below in conjunction with Figure of description and embodiment, technological scheme of the present utility model is described in further details.
The vibrational power flow of the rotary expansion bolt fastener for the monolateral installation of component in the present embodiment is:
As shown in FIG. 1A and 1B, end is with 120 ° of screw rods 1 being arranged at intervals with three projection rotating shafts and be enclosed within the external sleeve 2 of the intermediate bar of described screw rod, sleeve is arranged at intervals with three projection rotating shafts to be equipped with rotating plate with 120 °, and screw rod rear portion is provided with that screw thread, the screw rod stage casing of matching with locking nut 4 are polished rod, screw rod leading portion arranges supporting member 1a; Sleeve 2 rear is provided with the screw section of matching with fastening nut 4a; Supporting member 1a is arranged at intervals with rotating shaft with 120 °, and coordinates the rotating shaft on sleeve 2 to arrange the first rotating plate 3a, the second rotating plate 3b, every layer each three, the fan-shaped outside of six rotating plate can be made to be stacked on same circumferential position vertically by rotating; Also six rotating plate can be launched by rotation.When rotating plate launches, the part that rotating plate gives prominence to sleeve makes its supporting portion diameter be greater than sleeve outer diameter and tail diameter; When fastening piece is installed, in a contracted state, described supporting member 1a passes completely through installation hole, now relatively rotates inner screw and sleeve, by relatively rotating of inner screw and sleeve, and the first rotating plate 3a and the second rotating plate 3b rotary expansion.Now supporting portion leading portion is greater than aperture, is formed and supports, form deployed condition in supporting portion.
As shown in Figure 1A, Figure 1B and Fig. 1 C, supporting member part is arranged at intervals with rotating shaft with 120 °, and to connect the second rotating plate 3b, rotating plate can rotate around bearing pin; Sleeve part connects the first rotating plate 3a with rotating shaft, makes supporting member, rotating plate, sleeve 2 become a double-action mechanism.
As shown in Figure 2 A and 2 B, screw rod 1 coordinates sleeve 2 and rotating plate to form serial verb construction, the first rotating plate 3a and the second rotating plate 3b outwards can be strutted by rotating.
The present embodiment comprises the following steps:
1, bolt is passed reserving hole, accurate contraposition;
2, be firmly connected with spiral shell with mounting fixture, rotational sleeve makes 6 rotating plate rotations outwards strut, and screws in locking nut, applies suitable pretightening force and locks;
3, on the cover of working end, tightening nut is also fastening by applying suitable pretightening force, completes fixing.
Above-described embodiment is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; some improvement and equivalent replacement can also be made; these improve the utility model claim and are equal to the technological scheme after replacing, and all fall into protection domain of the present utility model.
Claims (1)
1. the rotary expansion bolt fastener for the monolateral installation of component, it is characterized in that, this fastening piece comprises the screw rod (1) that one end is provided with supporting member (1a), be enclosed within the sleeve (2) that the intermediate bar of described screw rod (1) is external, the locking nut (4) of screw rod (1) the other end is arranged on by screw thread, connect the rotary expansion supporting component (3) be arranged between described supporting member (1a) and sleeve (2), the outer installment that described sleeve (2) closes on locking nut (4) one end has screw thread, the other end close on supporting member (1a) and be provided with by quill to centered by the raised rotating shaft (21) of equally distributed more than three or three, described rotary expansion supporting component (3) is made up of the first rotating plate (3a) be mutually socketed and the second rotating plate (3b), hinged rotating shaft between described first rotating plate (3a) and the second rotating plate (3b) and sleeve parallel to an axis, first rotating plate (3a) one end is arranged on supporting member (1b) by bearing pin, described second rotating plate (3b) one end is arranged on sleeve (2) by projection rotating shaft (21).
2
.rotary expansion bolt fastener for the monolateral installation of component according to claim 1, it is characterized in that, the end of described screw rod (1) being installed locking nut (4) one end is provided with wabbler.
3
.rotary expansion bolt fastener for the monolateral installation of component according to claim 1, is characterized in that, the screw thread that described sleeve (2) closes on the outer installment of locking nut (4) one end is used for clamp structure.
4
.the rotary expansion bolt fastener for the monolateral installation of component according to claim 1,2 or 3, it is characterized in that, when described rotary expansion supporting component (3) is in non-open configuration, first rotating plate (3a) and the second rotating plate (3b) are contained in sleeve and supporting member completely, and sleeve (2) is consistent with the external diameter of supporting member (1a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420622440.6U CN204253549U (en) | 2014-10-24 | 2014-10-24 | For the rotary expansion bolt fastener of the monolateral installation of component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420622440.6U CN204253549U (en) | 2014-10-24 | 2014-10-24 | For the rotary expansion bolt fastener of the monolateral installation of component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253549U true CN204253549U (en) | 2015-04-08 |
Family
ID=52957862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420622440.6U Expired - Fee Related CN204253549U (en) | 2014-10-24 | 2014-10-24 | For the rotary expansion bolt fastener of the monolateral installation of component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204253549U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329351A (en) * | 2014-10-24 | 2015-02-04 | 东南大学 | Rotary type unfolding bolt fastener for single-side installation of component |
| 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 |
| CN106122223A (en) * | 2016-08-23 | 2016-11-16 | 无锡市东赫金属制品有限公司 | A kind of flexible stubborn bolt |
| CN110092081A (en) * | 2019-06-03 | 2019-08-06 | 四川航天系统工程研究所 | A kind of sealing structure of installation easy to disassemble |
| CN110685990A (en) * | 2019-10-24 | 2020-01-14 | 中国矿业大学 | Folding gasket type unilateral bolt fastener |
-
2014
- 2014-10-24 CN CN201420622440.6U patent/CN204253549U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329351A (en) * | 2014-10-24 | 2015-02-04 | 东南大学 | Rotary type unfolding bolt fastener for single-side installation of component |
| 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 |
| CN106122223A (en) * | 2016-08-23 | 2016-11-16 | 无锡市东赫金属制品有限公司 | A kind of flexible stubborn bolt |
| CN110092081A (en) * | 2019-06-03 | 2019-08-06 | 四川航天系统工程研究所 | A kind of sealing structure of installation easy to disassemble |
| CN110685990A (en) * | 2019-10-24 | 2020-01-14 | 中国矿业大学 | Folding gasket type unilateral bolt fastener |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20201024 |