CN104831916A - Wedge-shaped locking type fastener used for circular steel pipe and combined fastener - Google Patents
Wedge-shaped locking type fastener used for circular steel pipe and combined fastener Download PDFInfo
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- CN104831916A CN104831916A CN201510263585.0A CN201510263585A CN104831916A CN 104831916 A CN104831916 A CN 104831916A CN 201510263585 A CN201510263585 A CN 201510263585A CN 104831916 A CN104831916 A CN 104831916A
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- steel pipe
- voussoir
- fastener
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Abstract
The invention discloses a wedge-shaped locking type fastener used for a circular steel pipe and a combined fastener. The fastener comprises two semicircular hoops which are hinged through a pin shaft and locked through a wedge block. The free end of the first semicircular hoop in the two semicircular hoops extends in the outer circle tangential direction to form a connection lug. An open groove is formed in the middle of the connection lug. The free end of the second semicircular hoop in the two semicircular hoops extends in the outer circle tangential direction to form a T-shaped clamping head. The free end of the first semicircular hoop is perpendicular to two tangent lines of the second semicircular hoop. The width of the vertical edge of the T-shaped clamping head is smaller than the width of the open groove of the connection lug. A long groove which is in slide fit with the vertical edge of the T-shaped clamping head is formed in the wedge block. The first semicircular hoop and the second semicircular hoop are wedged through the wedging face of the wedge block by means of the connection lug and the T-shaped clamping head. The combined fastener is formed by connecting two fasteners through a pivot in a rotatable mode. The wedge-shaped locking type fastener and the combined fastener have the advantages that the fastener is convenient to disassemble and assemble and reliable in locking, and the combined fastener can be used for connecting two circular pipes of any intersection angle.
Description
Technical field
The present invention relates to the connecting elements that a kind of building operations scaffold or form bracing system are set up, particularly a kind of round steel pipe wedge-lock compact form fastener and assembly buckle.
Background technology
In building construction process, need to set up scaffold and form bracing system.For meeting modern construction requirement, scaffold or support system not only need to have enough safety guarantee, meanwhile, more and more higher to the requirement of setting up efficiency.At present comparatively conventional mode of setting up has two kinds, and one is set up by rack, and two is that the mode adding transverse tube or down tube by standpipe is set up.It is need rational height adjustable bowl of seats under rack that rack is set up, and rack volume is large, and rack transport is extremely inconvenient, and cost of transportation is high, it is high to set up cost, but more firm.The scaffold that steel pipe is set up or support system comprise in array lay multiple steel pipe post and for being connected to the steel pipe reinforcing crossmember between column, be fixedly connected with by fastener between crossbeam steel pipe with column steel pipe, a part of crossbeam also forms operation platform for setting up springboard.Existingly generally include the circular anchor ear of two halves for the fastener structures in aforementioned scaffold or form bracing system, the circular anchor ear of two halves is formed hinged by corresponding one end, and the corresponding other end of the circular anchor ear of two halves forms removable being fixedly connected with by handing-over screw rod with nut.The fastener of this structure is when setting up or remove scaffold or form bracing system, need to be achieved by tightening or pull the threaded fasteners such as loose nut or screw rod, the operation task time is long, efficiency is low, particularly when the setting up or remove of quick detach form bracing system, its weak point seems particularly outstanding.Meanwhile, the fastener of this structure needs making two anchor ears, two hinging pin shafts and a screw rod, usually also need process on movable anchor ear one fluting, and processing or buying one nut, its complex structure, process loaded down with trivial details, manufacturing cost is high.For this reason, need improve.
Summary of the invention
The first object of the present invention is exactly for deficiency of the prior art, a kind of round steel pipe wedge-lock compact form fastener is provided, for being fixedly welded on transverse tube two ends, form transverse direction or the skewed horizontal load of steel pipe scaffold or support system standpipe, it realizes setting up and remove conveniently by the mode that voussoir is locked, lock solid and reliable, and set up the high object of efficiency.Another object of the present invention is to provide a kind of assembly buckle, and this assembly buckle is formed by two mutual rotating fastener associations, can realize the connection between two steel pipes easily, and it connects easy accessibility, locking connects reliable.
For realizing above-mentioned first object, the present invention adopts following technical scheme:
A kind of round steel pipe wedge-lock compact form fastener, comprises by a hinge and two semicircle clips of being locked by a voussoir; The free end of the first semicircle clip in described two semicircle clips extends an engaging lug along cylindrical tangential direction, forms a fluting in the middle part of this engaging lug; The free end of the second semicircle clip in two semicircle clips is formed with a T-shaped dop along cylindrical tangential direction, the free end of the first semicircle clip is mutually vertical with two tangent lines of the second semicircle clip, and the vertical edge width of T-shaped dop is less than the groove width of described engaging lug; Described voussoir is provided with an elongated slot be slidably matched with the vertical edge of T-shaped dop, and the first semicircle clip and the second semicircle clip are by the wedging face wedging by voussoir of engaging lug and T-shaped dop.
Adopt the present invention of preceding solution, this fastener structures is made up of a bearing pin, two semicircle clips and a voussoir, and its structure is simple; Two semicircle clips can adopt casting, its easy to process, low cost of manufacture.During for setting up scaffold or support system, before using, this fastener is first welded on transverse tube or down tube end, during use, first by two semicircle clips in the periphery of column steel pipe, and the vertical edge of T-shaped dop is snapped in the fluting of lug, voussoir inserts T-shaped dop by small end, firmly knock the large end of voussoir, voussoir bottom surface is made to be connected on the first semicircle clip, inclined-plane is connected on the horizontal plane medial surface of T-shaped dop, then make two semicircular clip realize clasping of column steel pipe to step up, thus the locking of fastener and standpipe can be realized easily, during dismounting, only need suitably firmly to knock voussoir small end, the convenient locking state removing fastener.
Preferred technical scheme, in face of the wedging of described voussoir, end is formed with guiding surface.Guiding surface, for the non-cutting time shortening voussoir locking or unlock, improves to take further and tears efficiency open.
Preferred technical scheme further, described voussoir is frame-shaped construction, and the elongated slot front end of voussoir is formed with hollow-out parts, and this hollow-out parts is greater than the cross section profile of described T-shaped dop horizontal sides.When locking to prevent voussoir, elongated slot two side arms free end is opened outward, affects locking effect or cause to open outside voussoir side arm to split, and increases the service life.Meanwhile, hollow-out parts is used for through T-shaped dop, effectively can shorten voussoir locking or unlock stroke, the locking of shortening voussoir or the non-cutting time unlocked, improve to take further and tear efficiency open, and when unblock is knocked, voussoir small end has and larger knocks bearing surface, extends voussoir application life.
Further preferred technical scheme, described hollow-out parts is in hatch frame on voussoir body, and voussoir body is welded with strut rail, and it is closed that strut rail is used for that hollow-out parts is formed.To make voussoir be not limited only to the restriction of casting material therefor performance, be convenient to select intensity and the better material of toughness to make, be convenient to processing, improve working (machining) efficiency, reduce manufacturing cost.
Further preferred technical scheme again, described first semicircle clip is formed with T-shaped fixture block, T-shaped fixture block is formed in the fluting rear of described engaging lug, T-shaped fixture block and described T-shaped dop are that front and back are set up in parallel, the vertical edge width of T-shaped fixture block is less than the elongated slot width of described voussoir, and the horizontal sides cross section profile of T-shaped fixture block is less than the hollow out contoured surface of described hollow-out parts.So that voussoir in advance or be sleeved on the first semicircle clip by T-shaped fixture block after unlocking, the non-cutting time further shortening voussoir locking or unlock, further improves to take and tears efficiency open.
Preferred technical scheme; The free end sidewall of described second semicircle clip outwardly there is bulge loop.To be welded with transverse tube by bulge loop, also can add round steel at bulge loop during welding and assist, improve the intensity and reliability that are welded to connect.
When adopting fastener of the present invention to set up scaffold or support system, its firmness can match in excellence or beauty with space truss structure, and it is taken and tears efficiency open no less than space truss structure, and take split into this far below rack.
For realizing the second object, the present invention adopts following technical scheme.
Connect an assembly buckle for two round steel pipe, be made up of two fasteners, fastener is made up of the round steel pipe wedge-lock compact form fastener realized described in the present invention first object, by the second semicircle clamp connection between two fasteners.
Adopt the present invention of preceding solution, because fastener is made up of the fastener that two realize the first goal of the invention.Its locking that can realize between two pipes connects, and its easy accessibility, locking connect reliable.
Preferred technical scheme, described two the second semicircle clips are formed by pivot and are rotatably connected.The connection between arbitrarily angled two steel pipes vertical with pivotal axis can be realized easily, as two steel shaft line parallels, intersection or vertical.
The invention has the beneficial effects as follows, fastener and assembly buckle easy disassembly, reliable lock, and dismounting efficiency is high, the pipe that assembly buckle can be used for two arbitrary intersect angle degree connects.
Accompanying drawing explanation
Fig. 1 is that fastener of the present invention is in locking state structural representation axonometric drawing.
Fig. 2 is that fastener of the present invention is in open mode structural representation axonometric drawing.
Fig. 3 is the first semicircle yoke configurations signal axonometric drawing in fastener of the present invention.
Fig. 4 is the second semicircle yoke configurations signal axonometric drawing in fastener of the present invention.
Fig. 5 is the wedge structure signal axonometric drawing in fastener of the present invention.
Fig. 6 is the structural representation front view of assembly buckle in the present invention.
Fig. 7 is the structural representation axonometric drawing of assembly buckle in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated, but therefore do not limit the present invention among described scope of embodiments.
Embodiment 1, see Fig. 1 ~ 5, a kind of round steel pipe wedge-lock compact form fastener, comprises two semicircle clips that are hinged by a bearing pin 1 and that locked by a voussoir 2; The free end of the first semicircle clip 3 in two semicircle clips extends an engaging lug 3a along cylindrical tangential direction, forms a fluting in the middle part of this engaging lug 3a; The free end of the second semicircle clip 4 in two semicircle clips is formed with a T-shaped dop 4a along cylindrical tangential direction, the free end of the first semicircle clip 3 is mutually vertical with two tangent lines of the second semicircle clip 4, and the vertical edge width of T-shaped dop 4a is less than the groove width of described engaging lug 3a; The free end sidewall of the second semicircle clip 4 outwardly there is bulge loop 4b.
Wherein, voussoir 2 is provided with an elongated slot 2a be slidably matched with the vertical edge of T-shaped dop 4a, and the first semicircle clip 3 and the second semicircle clip 4 are by the wedging face 2b wedging of engaging lug 3a and T-shaped dop 4a by voussoir 2; The 2b front end, wedging face of voussoir 2 is formed with guiding surface 2c; Voussoir 2 is in frame-shaped construction, and the elongated slot 2a front end of voussoir 2 is formed with hollow-out parts 2d, and this hollow-out parts 2d is greater than the cross section profile of described T-shaped dop 4a horizontal sides; Hollow-out parts 2d is in hatch frame on voussoir 2 body, and voussoir 2 body is welded with strut rail 2e, and it is closed that strut rail 2e is used for that hollow-out parts 2d is formed.First semicircle clip 3 is formed with T-shaped fixture block 3b, T-shaped fixture block 3b is formed in the fluting rear of described engaging lug 3a, T-shaped fixture block 3b and described T-shaped dop 4a is that front and back are set up in parallel, the vertical edge width of T-shaped fixture block 3b is less than the elongated slot 2a width of described voussoir 2, and the horizontal sides cross section profile of T-shaped fixture block 3b is less than the hollow out contoured surface of described hollow-out parts 2d.
Embodiment 2, see Fig. 6,7 also composition graphs 1 ~ 5, connect an assembly buckle for two round steel pipe, be made up of the round steel pipe wedge-lock compact form fastener described in two embodiments 1, formed by the pivot 5 be connected on two the second semicircle clips 4 between two fasteners and be rotatably connected.
Although combine above and drawings describe embodiments of the present invention, but those of ordinary skill in the art also can recognize in the scope to claims and makes various change or amendment, these modifications and variations are interpreted as within scope of the present invention and intention.
Claims (8)
1. a round steel pipe wedge-lock compact form fastener, comprises two semicircle clips that are hinged by a bearing pin (1) and that locked by a voussoir (2); It is characterized in that, the free end of the first semicircle clip (3) in described two semicircle clips extends an engaging lug (3a) along cylindrical tangential direction, and this engaging lug (3a) middle part forms a fluting; The free end of the second semicircle clip (4) in two semicircle clips is formed with a T-shaped dop (4a) along cylindrical tangential direction, the free end of the first semicircle clip (3) is mutually vertical with two tangent lines of the second semicircle clip (4), and the vertical edge width of T-shaped dop (4a) is less than the groove width of described engaging lug (3a); Described voussoir (2) is provided with an elongated slot (2a) be slidably matched with the vertical edge of T-shaped dop (4a), and the first semicircle clip (3) and the second semicircle clip (4) are by wedging face (2b) wedging by voussoir (2) of engaging lug (3a) and T-shaped dop (4a).
2. round steel pipe wedge-lock compact form fastener according to claim 1, is characterized in that: wedging face (2b) front end of described voussoir (2) is formed with guiding surface (2c).
3. round steel pipe wedge-lock compact form fastener according to claim 1 and 2, it is characterized in that: described voussoir (2) is in frame-shaped construction, elongated slot (2a) front end of voussoir (2) is formed with hollow-out parts (2d), and this hollow-out parts (2d) is greater than the cross section profile of described T-shaped dop (4a) horizontal sides.
4. round steel pipe wedge-lock compact form fastener according to claim 3, it is characterized in that: described hollow-out parts (2d) is hatch frame on voussoir (2) body, voussoir (2) body is welded with strut rail (2e), strut rail (2e) is closed for making hollow-out parts (2d) be formed.
5. round steel pipe wedge-lock compact form fastener according to claim 4, it is characterized in that: described first semicircle clip (3) is formed with T-shaped fixture block (3b), T-shaped fixture block (3b) is formed in the fluting rear of described engaging lug (3a), T-shaped fixture block (3b) and described T-shaped dop (4a) are set up in parallel in front and back, the vertical edge width of T-shaped fixture block (3b) is less than elongated slot (2a) width of described voussoir (2), and the horizontal sides cross section profile of T-shaped fixture block (3b) is less than the hollow out contoured surface of described hollow-out parts (2d).
6. round steel pipe wedge-lock compact form fastener according to claim 1 and 2, is characterized in that: the free end sidewall of described second semicircle clip (4) outwardly has bulge loop (4b).
7. one kind connects the assembly buckle of two round steel pipe, be made up of two fasteners, it is characterized in that: described fastener is made up of the round steel pipe wedge-lock compact form fastener in claim 1 ~ 6 described in any one claim, connected by the second semicircle clip (4) between two fasteners.
8. the assembly buckle of connection two round steel pipe according to claim 7, is characterized in that, described two the second semicircle clips (4) are formed by pivot (5) and are rotatably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510263585.0A CN104831916B (en) | 2015-05-21 | 2015-05-21 | Wedge-shaped locking type fastener used for circular steel pipe and combined fastener |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510263585.0A CN104831916B (en) | 2015-05-21 | 2015-05-21 | Wedge-shaped locking type fastener used for circular steel pipe and combined fastener |
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| Publication Number | Publication Date |
|---|---|
| CN104831916A true CN104831916A (en) | 2015-08-12 |
| CN104831916B CN104831916B (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510263585.0A Active CN104831916B (en) | 2015-05-21 | 2015-05-21 | Wedge-shaped locking type fastener used for circular steel pipe and combined fastener |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522539A (en) * | 2016-12-28 | 2017-03-22 | 泰博混凝土模板与支撑（陕西）有限公司 | Quick-locking fastener unit, combined fastener, tie rod and portal frame |
| CN107023083A (en) * | 2016-01-29 | 2017-08-08 | 湖南天创集成科技实业有限公司 | A kind of assembled flitch overlaps combined member |
| CN110145119A (en) * | 2018-02-12 | 2019-08-20 | 泰博混凝土模板与支撑（陕西）有限公司 | A kind of lightgage steel joist type column mould reinforcement system |
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| JPH0782881A (en) * | 1993-09-14 | 1995-03-28 | Takashi Hashiguchi | Fastener for steel pipe |
| CN2268079Y (en) * | 1996-07-20 | 1997-11-19 | 云南应用技术开发中心 | Fastening for quick locking steel pipe |
| CN202170632U (en) * | 2011-08-12 | 2012-03-21 | 周亚东 | Rotary type screw-free fastener |
| CN202882390U (en) * | 2012-11-14 | 2013-04-17 | 胡志国 | New wedge-type rotating metal fasteners without screw |
| CN203475812U (en) * | 2013-08-23 | 2014-03-12 | 周亚东 | Rotating fastener without screw |
| CN204691215U (en) * | 2015-05-21 | 2015-10-07 | 泰博混凝土模板与支撑（陕西）有限公司 | Round steel pipe wedge-lock compact form fastener and assembly buckle |
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2015
- 2015-05-21 CN CN201510263585.0A patent/CN104831916B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0782881A (en) * | 1993-09-14 | 1995-03-28 | Takashi Hashiguchi | Fastener for steel pipe |
| CN2268079Y (en) * | 1996-07-20 | 1997-11-19 | 云南应用技术开发中心 | Fastening for quick locking steel pipe |
| CN202170632U (en) * | 2011-08-12 | 2012-03-21 | 周亚东 | Rotary type screw-free fastener |
| CN202882390U (en) * | 2012-11-14 | 2013-04-17 | 胡志国 | New wedge-type rotating metal fasteners without screw |
| CN203475812U (en) * | 2013-08-23 | 2014-03-12 | 周亚东 | Rotating fastener without screw |
| CN204691215U (en) * | 2015-05-21 | 2015-10-07 | 泰博混凝土模板与支撑（陕西）有限公司 | Round steel pipe wedge-lock compact form fastener and assembly buckle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107023083A (en) * | 2016-01-29 | 2017-08-08 | 湖南天创集成科技实业有限公司 | A kind of assembled flitch overlaps combined member |
| CN106522539A (en) * | 2016-12-28 | 2017-03-22 | 泰博混凝土模板与支撑（陕西）有限公司 | Quick-locking fastener unit, combined fastener, tie rod and portal frame |
| CN110145119A (en) * | 2018-02-12 | 2019-08-20 | 泰博混凝土模板与支撑（陕西）有限公司 | A kind of lightgage steel joist type column mould reinforcement system |
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| CN104831916B (en) | 2017-02-22 |
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Effective date of registration: 20200513 Address after: 050000 leting Economic Development Zone, Tangshan City, Hebei Province Patentee after: ZHONGJIANG HUAMEI TEMPLATE MANUFACTURING Co.,Ltd. Address before: Yanta District 710065 Shaanxi city of Xi'an Province Tang Yan Road No. 35 block D of modern city 21902 Patentee before: TABLE CONCRETE FORMWORK & SHORING (SHAANXI) Co.,Ltd. |
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