CN2339667Y - Quick-action safety fastening component - Google Patents
Quick-action safety fastening component Download PDFInfo
- Publication number
- CN2339667Y CN2339667Y CN 98229215 CN98229215U CN2339667Y CN 2339667 Y CN2339667 Y CN 2339667Y CN 98229215 CN98229215 CN 98229215 CN 98229215 U CN98229215 U CN 98229215U CN 2339667 Y CN2339667 Y CN 2339667Y
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- Prior art keywords
- button block
- nut
- groove
- gland
- hole
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- 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 relates to a quick-action safety fastening component. One end of a U-shaped fastener seat 1 is hinged with one end of a press cover 3 through a cross pin 2; the inner arc surfaces of the press cover 3 and the fastener seat 1 match with the outer diameter of pipe fittings; the other end of the fastener seat 1 is provided with a groove 12; the bottom of the groove is provided with a through hole 13; the inner wall of the groove is provided with a spiral inclined plane 14; the other end of the press cover 3 is provided with a U-shaped slot or hole to match with the big end 16 of a screw bolt 5; the screw end of the screw bolt 5 passes through the hole 13 to match with the screw of the inner hole of a screw nut 6, and the upper end surface of the screw nut 6 is provided with a spiral inclined plane 15 to match with the spiral inclined plane 14 of the inner wall of the groove in a wedge-caulking way.
Description
The utility model is relevant with scaffold clasp for building, especially is connected with vertical, is rotatably connected, and the scaffold clasp that butt joint connects is relevant.
The scaffold of architectural use at home and abroad at present has following two kinds:
First kind is through the 1985-02-01 of Ministry of Urban and Rural Construction and Environmental Protection of People's Republic of China (PRC) issue, three kinds of fasteners that the JGJ22-85 ministry standard that 1985-05-01 implements is announced, that is: and right angle, rotation is to clasp.The primary structure of these three kinds of fasteners has bolt, nut, pin, rivet, cover plate, the bar heart, connects lid, right angle seat, rotating seat, to joint chair.The fastening principle of its linking steel tubes scaffold has all adopted bolt nut, and reaches the locking purpose by connecting rotary nut.Its advantage is electrodelessly to lock, promptly rotate to nut when the tightest till.Its shortcoming is because bolt nut is a fine thread, and the continuation rotation of still exerting oneself excessive after nut screws then makes thread stripping easily.And fine thread exposes to the sun and rain on the scaffold of building site in the open for a long time, and the corrosion soon on the bolt nut line of the attached collection of cement mortar has increased dismounting difficulty and labour intensity, even can't dismantle, force to carve to cut devastatingly and cut saw, cause the recovery repeat usage low, lose waste seriously.
Second kind is the utility model patent of authorizing through Patent Office of the People's Republic of China (PRC), its patent No. is 9524177.7, name is called " the fast folder of building direct rotary is to general fastener ", the main components of this fastener has fastener body, protruding hole, pin, rivet, gland, the U-lag mouth, T type pull bar, eccentric roll adjustment axle, the fastening principle of its linking steel tubes scaffold has all adopted by the T type band tooth pull bar and the toothed front end card of gland that rotate on the fastener body and has hung overlap joint, block the spindle nose that the eccentric roll adjustment axle in the stomidium is semicircle under T type pull bar with special tool again and rotate 180 °, make pull bar produce downward axial tension, and the force transmission after it is shunk gives gland, thereby steel pipe scaffold is locked.Its advantage is without bolt nut, simple to operate, connect and tear open conveniently, reclaiming reusability improves relatively, its shortcoming is that utmost point locking is arranged, the toothed front end card of toothed T type pull bar and gland hung last lower tooth that overlap joint is occluding with the utmost point finishes, tooth pitch of lower tooth fits like a glove when the new steel pipe of the 48mm that clamps a standard on this.Eccentric roll adjustment axle can only have 180 ° of the rotations (because less than or just can not reach fastening effect greater than 180 °) of the utmost point.Just there is the locking principle of the utmost point to make its safety owing to this, reliability, practicality greatly reduces.Its odjective cause has two; One, at the scene in the construction, when the steel pipe of a standard attenuates because of corrosion or because steel tube surface is not removed clean chap because of attachment (as shallow cement mortar of spilling), then will cause toothed T type pull bar and the toothed front end of gland when card is hung the lap buckle interlock up and down, can not fit like a glove, just can only mention less since can not coincide (because clamping has steel pipe, many again extension one teeth are impossible), just owing to hung a tooth less, cause fastener just not have clamping to put in place before the steel pipe in locking, add the eccentric roll adjustment axle of the utmost point can only Rotate 180 ° can't remedy reach grip most right.Its two, although steel pipe is a standard, because after the corrosion (as crown, teeth groove, eccentric roll adjustment crown of roll peak, pin etc.) of the locking member of fastener body own made it produce gap, above-mentioned situation still can occur.
It is a kind of simple in structure, with low cost, easy to manufacture that the purpose of this utility model provides, and clamps fast, reliable long service life, the general fastener of easy to use and safe antitheft.
The utility model is achieved in that
One end of the utility model U-shaped Button Block 1 is hinged by lateral pin 2 and gland 3 one ends, the intrados of the intrados of gland 3 and U-shaped Button Block cooperates with pipe fitting 4 external diameters, the other end of Button Block 1 fluted 12, bottom land has through hole 13, the groove inwall has screw inclined plane 14, the other end of gland 3 has U-lag to cooperate with the big end 16 of bolt 5, and 13 by cooperating with nut 6 inner hole threads, the upper surface of nut 6 has screw inclined plane 15 to cooperate with screw inclined plane 14 wedgings of groove inwall to the end of thread of bolt 5 from the hole.
Nut 6 half-twist angles, screw inclined plane 15 axial displacements be nut 6 inner hole thread pitch 1-2 doubly, the upper end of nut 6 endoporus is smooth circular hole, the lower end is a screwed hole, groove 12 is a hemispherical.
Have plastic plug 10 to seal in the following stomidium of nut 6, the lower surface of nut 6 is four quincunx for what protrude.
The U-shaped Button Block 1 of two fasteners connects as one by connector 8 in the bottom vertical direction.
Connector 8 of the present utility model is square rivet.
Connector 8 of the present utility model is circular rivet.
The axial two ends of the utility model U-shaped Button Block 1 respectively connect a gland 3 by lateral pin 2 is left and right, and the mid portion of U-shaped Button Block 1 cover 7 cylinders that constitute for anti-folding, and anti-folding cover 7 and is hinged by lateral pin 2 and Button Block 1, and lateral pin 2 is positioned to resist to roll over and covers 7 and the free bearing 11 of Button Block 1.
Anti-folding covers 7 semi arch both ends open place diameters greater than 48mm, and the diameter of middle part is less than 48mm.
The utility model is simple in structure, cost is low, electrodeless locking property is good safely and fast, the reusability height is reclaimed in the production of energy batch machining, reduces labor intensity, but structural member standardization, general exchange, assembling is simple and easy, installing/dismounting is easy to use, and compared with the prior art following advantage is arranged:
1, the utility model has adopted and has revolved less that (≤90 °) special-purpose nut 6 draws soon or ejection U type Button Block 1 and gland 3 clamp the electrodeless locking principle of steel pipe 4 simultaneously.Replaced conventional fastener and revolved (＞1500 °) standard cap more, drawn slowly or ejection clip seat and gland clamp the locking principle that the stepless locking principle of steel pipe 4 and existing fastener offset distance axle have utmost point rotation (can only Rotate 180 °, so far) simultaneously.
2, special-purpose nut 6 of the present utility model is owing to the whole screw threads that meshed standard bolt 5, and the termination is sealed by vinyl cover 10, so prevented the corrosion of screw thread effectively, prolong service time, increased the multiplexing cycle, can reach 5 times of conventional fastener bolt nut.
3, the utlity model has safety interlocking, four special quincunx nut terminations can be antitheft, and any stiff hand monkey wrench, box spanner etc. just come to an end to skid when blocking the rotation of four quincunx nut terminations, thus the loss of having avoided artificial pilferage to cause.
4, jump ring 9 positioning design of the utility model lateral pin 2 have replaced conventional fastener and existing fastener lateral pin two ends rivet clasp positioning design, have possessed assembling rapidly, move back pin and conveniently need not saw engraving tool, change the simple advantage of damaged part.
5, the right angle Button Block in the utility model is just the same with the rotation Button Block, and difference is that two right angle Button Blocks are located by square rivet rivet clasp, makes it to keep the right angle form to rotate.And two rotation Button Blocks are by fixed can the rotating arbitrarily of circular rivet rivet clasp.This improvement does not only change the result of use of right angle button, has alleviated unnecessary weight on the contrary, has saved steel, has reduced cost.
6, the butt joint button in the utility model has adopted the anti-folding in center to cover the principle of 7 outside steel pipes 4, has replaced tradition and existing fastener with the principle of center-pole lined steel pipe 4, has not only alleviated unnecessary weight but also has increased anti-folding coefficient.Especially adopted to be positioned at the locking device that the anti-folding in center cover two glands 3 about 7, played and to have distinguished the independent safety effect of locking another root steel pipe behind the steel pipe again of locking earlier wherein.Two difficult problems that diameter of steel tube is not of uniform size of butt joint have been solved.The steel pipe of having stopped two butt joints of gland clamping simultaneously of tradition and existing fastener differs because of diameter, and can only clamp the security hidden trouble of a wherein direct bigger steel pipe.Need only one the scaffolder just can be at the narrow job space that hinders, can take to lock again behind steel pipe of locking earlier the operating type of another root steel pipe.Not only saved man-hour but also improved work efficiency.
7, the utility model has been realized operability fully in practicality, on novel scientifically with a common standard cap multifunction, integrate antirust, antitheft, revolve less, advantage such as folder soon, in design fully according to the steel tube scaffold clasp GB15831-1995 national standard of the People's Republic of China's 1995,12,14 issues.
8, the utility model is simple in structure, be assembled in or interchangeable parts convenient, the installation and removal tube is fast prompt, saves man-hour, improves work efficiency, the reusability height, cost is low, shape design is rationally advanced, can batch machining production, save steel more than 20% than existing general fastener.
Following is accompanying drawing of the present utility model:
Fig. 1 is a structure chart of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is an another kind of structure chart of the present utility model.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is the third structure chart of the present utility model.
Fig. 6 is the left view of Fig. 5.
The Button Block structure chart that Fig. 7 connects for vertical direction.
Fig. 8 is the Button Block among Fig. 5, and anti-folding covers structure chart
Fig. 9 is the partial sectional view of fastener.
Figure 10 is that the A of Fig. 9 is to revolved view.
Figure 11 is the structure chart of nut 6.
Figure 12 is the vertical view of Figure 11.
Figure 13 is the left view of Figure 11.
Figure 14 is the upward view of Figure 11.
Following is the utility model embodiment:
When the gland 3 of utility model is in opening, steel pipe 4 is installed in Button Block 1 place, rotate 3＜180 ° on gland then and make it to fit with steel pipe 4, rotate standard bolt 5 again, make its termination hang over the U type opening part of gland 3.The termination of standard bolt 5 is just placed in the groove that gland 3U profile is shaped on, played the effect of when the special-purpose spiral shell of rotation 6, not spinning.So finished before the locking by U type Button Block 1, gland 3, standard bolt 5 is the intact form of steel pipe 4 initial clampings.After having finished aforementioned working programme, its locking work is more simple, only needs to entangle four plum blossom bodies of special-purpose nut 6 terminations with four coupling box spanners of special use, and being not more than 90 ° to the electrodeless rotation of clockwise direction can finish.The generation of its active force be since special-purpose nut 6 self the rotation in, its front end be convex hemispheroidal spiral the wedge crack and also synchronously the rotation, make it to have produced axial displacement from low to high with the hemispheroidal wedge crack face that spirals of matrix that is of Button Block 1.The axial displacement of wedge crack face is apart from being 1: 5 of bolt, nut axial thread distance because spiral, and draws soon or the function of pushing tow has realized so revolve less.Consequently this active force is directly passed to gland 3, has been played the effect of drawing by the termination body of standard bolt 5.Front end hemisphere by special-purpose nut 6 passes to Button Block 1, has played the effect of pushing tow, and the purpose of this effect is to force Button Block 1 and gland 3 simultaneously rapidly to little reducing, thus pipe 4 safety securely locking be clamped onto optimum state.
In the time need getting loose the steel pipe 4 that is locked, only need to entangle four plum blossom bodies of special-purpose nut 6 terminations with four coupling box spanners of special use, be not more than 90 ° to rotation counterclockwise, can finish.Reach the purpose of revolving quick-release less.Rotate the standard bolt termination this moment earlier, makes it to separate from the U type opening part of gland 3 one ends, and then rotate gland 3, makes the fastener complete opening, reaches the purpose of fast quick-detach steel pipe 4.
Above-mentioned locking and get loose simple and easyly, required time did not rise for 5 seconds respectively, had greatly improved operating efficiency, had alleviated working strength of workers.
Embodiment 2:
Present embodiment is on the basis of the embodiment shown in Fig. 11, U type Button Block 1 by two symmetries constitutes, its difference be on symmetrical Button Block 1 by circular rivet 8 and pass through hole, riveted is an one, and the rivet 8 of two Button Blocks 1 is relatively rotated for the axle center.Its locking is similar fully to Fig. 1 with the working programme that gets loose.
Embodiment 3:
Fig. 5 has described the utility model to clasp embodiment, and its structure construction and Fig. 1 and Fig. 3 are basic identical.Its difference is that clip seat 1 increases relatively, and the anti-folding in a center is set at the fastener middle part covers 7, at the center anti-folding cover 7 protrusion place, semi arch two ends be drilled with hole 11, respectively pin go into two lateral pins 2 the anti-folding in center cover 7 and Button Block 1 be connected to the whole (see figure 8) of a circle, lateral pin 2 also the anti-folding in center cover simultaneously 7 axially about two rotating glands 3 be connected on the Button Block 1, the center that formed is anti-rolls over and covers the lateral pin 2 that an end of 7 places the centre of two glands 3 to be gone into by pin and be connected on the Button Block 1.The other end also is connected on the Button Block 1 by the lateral pin 2 that pin is gone into.Thereby no matter dock and be buckled in locking or when opening, the anti-folding in center cover 7 and remains the integrality of circle with Button Block 1.And the anti-folding in center covers the diameter at 7 both ends open places greater than 48mm standard diameter of steel tube, the diameter of middle part is less than the diameter of 48mm standard steel pipe, anti-folding covers in 7 thereby two steel pipes 4 that make butt joint can be distinguished the center of opposite end insertion successfully, but can not surmount the middle part.Locking to clasp is described similar fully to Fig. 1 and Fig. 3 with get loose principle and operation sequence.
Claims (9)
1, a kind of fastener fast and safely, an end that it is characterized in that U-shaped Button Block (1) is hinged by lateral pin (2) and gland (3) one ends, the intrados of gland (3) and the intrados of U-shaped Button Block cooperate with the pipe fitting external diameter, the other end of Button Block (1) fluted (12), bottom land has hole (13), the groove inwall has screw inclined plane (14), the other end of gland (3) has U-lag or hole to cooperate with the big end (16) of bolt (5), (13) cooperate by the inner hole thread with nut (6) end of thread of bolt (5) from the hole, and the upper surface of nut (6) has screw inclined plane (15) to cooperate with screw inclined plane (14) wedging of groove inwall.
2, fastener according to claim 1, it is characterized in that nut (6) half-twist angle, screw inclined plane (15) axial displacement be nut (6) inner hole thread pitch 1-2 doubly, the upper end of nut (6) endoporus is smooth circular hole, the lower end is a screwed hole, and groove (12) is a hemispherical.
3, fastener according to claim 1 is characterized in that Button Block (1) and gland (3) hinged part have groove (17), and the lateral pin (2) fluted (18) in the groove (17) has location jump ring (9) in the groove (18).
4, fastener according to claim 1 is characterized in that having plastic plug (10) to seal in the following stomidium of nut (6), and the lower surface of nut (6) is four quincunx for what protrude.
5,, it is characterized in that the U-shaped Button Block (1) of two fasteners connects as one by connector (8) in the bottom vertical direction according to claim 1 or 2 or 3 or 4 described fasteners.
6, fastener according to claim 5 is characterized in that said connector (8) is square rivet.
7, fastener according to claim 5 is characterized in that said connector (8) is circular rivet.
8, according to claim 1 or 2 or 3 or 4 or 6 or 7 described fasteners, the axial two ends that it is characterized in that U-shaped Button Block (1) are by the left and right gland (3) that respectively connects of lateral pin (2), the cylinder that the mid portion of U-shaped Button Block (1) constitutes for anti-folding lid (7), anti-folding lid (7) is hinged by lateral pin (2) and Button Block (1), and lateral pin (2) is positioned at the free bearing (11) of anti-folding lid (7) and Button Block (1).
9, fastener according to claim 8 is characterized in that anti-folding lid (7) semi arch both ends open place diameter greater than 48mm, and the diameter of middle part is less than 48mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98229215 CN2339667Y (en) | 1998-08-03 | 1998-08-03 | Quick-action safety fastening component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98229215 CN2339667Y (en) | 1998-08-03 | 1998-08-03 | Quick-action safety fastening component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2339667Y true CN2339667Y (en) | 1999-09-22 |
Family
ID=33979141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98229215 Expired - Fee Related CN2339667Y (en) | 1998-08-03 | 1998-08-03 | Quick-action safety fastening component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2339667Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839271B (en) * | 2009-03-19 | 2012-06-27 | 王向荣 | Tightening piece |
| CN102841105A (en) * | 2012-08-29 | 2012-12-26 | 河北二十冶工程技术有限公司 | Special clamp for high-altitude pipeline flaw detector and mounting method of flaw detector on high-altitude pipeline |
| CN106223599A (en) * | 2016-08-23 | 2016-12-14 | 天长市华利机械实业有限公司 | A kind of two-way anti-skidding ring buckle of the limiting alarm formula for scaffold |
-
1998
- 1998-08-03 CN CN 98229215 patent/CN2339667Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839271B (en) * | 2009-03-19 | 2012-06-27 | 王向荣 | Tightening piece |
| CN102841105A (en) * | 2012-08-29 | 2012-12-26 | 河北二十冶工程技术有限公司 | Special clamp for high-altitude pipeline flaw detector and mounting method of flaw detector on high-altitude pipeline |
| CN102841105B (en) * | 2012-08-29 | 2014-12-17 | 河北二十冶工程技术有限公司 | Special clamp for high-altitude pipeline flaw detector and mounting method of flaw detector on high-altitude pipeline |
| CN106223599A (en) * | 2016-08-23 | 2016-12-14 | 天长市华利机械实业有限公司 | A kind of two-way anti-skidding ring buckle of the limiting alarm formula for scaffold |
| CN106223599B (en) * | 2016-08-23 | 2019-07-02 | 天长市华利机械实业有限公司 | A kind of two-way anti-skidding ring buckle of limiting alarm formula for scaffold |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE ADDRESS; FROM: GROUP 10, SANHE VILLAGE, CUQIAO TOWNSHIP, WUHOU DISTRICT, CHENGDU CITY TO: NO. 1310, UNIT 3, BUILDING 1, ERDUANJINHUAYUAN, BINHE ROAD, HUAYANG TOWN, SHUANGLIU COUNTY, CHENGDU CITY, 610002 |
|
| CP03 | Change of name, title or address |
Address after: The two section jinhuayuan 610002 Chengdu riverside Shuangliu County City Huayang Road 1 Building 3 unit 1310 Patentee after: Ge Mohua Address before: 10 sets of Sanhe Village, cluster Bridge Township, Wuhou District, Chengdu Patentee before: Ge Mohua |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |