CN101899901A - Skidproof structure of steel tube fastener - Google Patents
Skidproof structure of steel tube fastener Download PDFInfo
- Publication number
- CN101899901A CN101899901A CN 201010239566 CN201010239566A CN101899901A CN 101899901 A CN101899901 A CN 101899901A CN 201010239566 CN201010239566 CN 201010239566 CN 201010239566 A CN201010239566 A CN 201010239566A CN 101899901 A CN101899901 A CN 101899901A
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- CN
- China
- Prior art keywords
- ratchet
- steel tube
- tube fastener
- pin
- skidproof
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Abstract
The invention discloses a skidproof structure of a steel tube fastener, comprising a slip, a pin roll, a round pin, a ratchet and a bolt, wherein an opening groove is arranged at the lower part of the pin roll, and the crescent ratchet and the opening groove are in clearance fit and hinged by the pin roll. When being loosened and sliding downwards, the steel tube fastener drives the ratchet to rotate clockwise around the pin roll and enables the outer cambered surface to contact with the outer wall of the fastened steel tube to form a ratchet skidproof structure. Limited by the pin roll, the ratchet always keeps the wedged state and has reliable skidproof performance due to the gradually-increased curvature radius. After being applied, the invention can avoid the failure of a connecting structure due to the loosing and the downward-sliding of the steel tube fastener and effectively improve the safety of the engineering construction.
Description
Technical field
The present invention relates to a kind of construction equipment, particularly a kind of fastener that is used for the steel pipe connection.
Background technology
Steel tube fastener be scaffold erecting in the construction work, the locking connecting elements of template frame.Though steel tube fastener is little, its mechanical connection effect is very big, and steel tube fastener connects whether reliably be directly connected to construction safety and construction quality in the construction work in structure.At present, the steel tube fastener of market supply has multiple, and its basic structure is identical, only does the steel tube lock stressed joint.The steel tube fastener of prior art satisfies the building engineering construction requirement under the normal condition, can reliably connect steel pipe., often there is steel tube fastener on link position, to become flexible and initiation safety or quality accident in the construction work.Be parsed into because of as can be known, there is corrosion layer in the part steel tube surface of using in the construction work or attaches a small amount of mortar spot layer, just do not connect if do not do to remove with steel tube fastener, clamping force has also been destroyed steel tube surface corrosion layer or mortar spot layer in the locking steel pipe, formed powder or fragment easily drop out from steel tube fastener, it is loosening that thereby the steel tube fastener that makes initial locking produces, the particularly perpendicular steel tube fastener that connects is next along the steel pipe downslide in action of gravity, steel tube fastener is scurried the position lost efficacy connection, easily formed potential safety hazard.In order to prevent this type of accident, except that reinforcement is made regular check on, two steel tube fasteners are installed on critical positions usually or are added and shore in the construction work.Though it is effective that this kind reinforced way, waste of manpower, take material resources, increase construction volume.
Summary of the invention
The present invention is primarily aimed at the deficiencies in the prior art, proposes a kind of Skidproof structure of steel tube fastener with ratchet, and this is simple in structure, reliable.Steel tube fastener drives the connected outer wall of steel pipe of ratchet automatic locking when loosening the downslide taken place, and effectively stops steel tube fastener to glide.
The present invention is achieved through the following technical solutions technical goal.
Skidproof structure of steel tube fastener, it comprises slips, bearing pin, round pin, ratchet and bolt.Its improvements are: described bearing pin bottom is provided with open slot, meniscate ratchet and open slot matched in clearance also are hinged with round pin, ratchet contacts with fastened steel pipe with extrados, and steel tube fastener is loosening to be driven ratchet when gliding and rotate around round pin clockwise and constitute the ratchet Skidproof structure.
In the said structure, the end face of bearing pin downwardly facing opening groove is the inclined-plane, and the inclined-plane right part is spacing to the ratchet backspin.The pin hole and the extrados of ratchet are eccentric structure, and its radius of curvature increases from left to right gradually.
The present invention compared with prior art has following good effect:
1, the ratchet Skidproof structure is simple, and is easy to manufacture;
2, ratchet is suspended on the bearing pin bottom and is floating type, and extrados leans against servo-actuated on-slip on the connected outer wall of steel pipe all the time;
3, ratchet stops steel tube fastener to glide, and effectively the stabilized steel pipe connecting structure significantly increases the safety of engineering construction.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is Fig. 1 cross sectional representation.
Fig. 3 is the schematic diagram that the ratchet Skidproof structure is in normal condition.
Fig. 4 drives ratchet when being the downslide of ratchet Skidproof structure prevention steel tube fastener and clockwise rotates the on-slip schematic diagram.
The specific embodiment
The invention will be further described with reference to the accompanying drawings below.
Fig. 1, Skidproof structure of steel tube fastener shown in Figure 2, it comprises slips 1, bearing pin 2, round pin 3, ratchet 4 and bolt 5.Bearing pin 2 bottoms that Fig. 3, formation slips 1 shown in Figure 4 are hinged are provided with open slot, and meniscate ratchet 4 also is hinged with round pin 3 with the open slot matched in clearance.The end face of bearing pin 2 downwardly facing opening grooves is high right low inclined-plane, a left side, and the inclined-plane right part is spacing to ratchet 4 backspins, only allows ratchet 4 to rotate around round pin 3 clockwise, and ratchet 4 contacts with connected outer wall of steel pipe with extrados and constitutes the ratchet Skidproof structure.The pin hole of ratchet 4 and extrados are eccentric structure among the present invention, and its radius of curvature increases from left to right gradually.Shown in Figure 4, when the steel tube fastener generation was loosening, steel tube fastener had falling tendency under action of gravity, and ratchet then takes place to rotate around round pin 3 clockwise, and ratchet 4 is wedged steel tube fasteners and is connected between the outer wall of steel pipe, thereby reaches the on-slip purpose.The ratchet Skidproof structure is simple among the present invention, and on-slip is reliable, avoids taking place the loosening accident that glides and cause syndeton to lose efficacy of invar tube clamps, effectively improves safety in utilization.
Claims (3)
1. Skidproof structure of steel tube fastener, it comprises slips (1), bearing pin (2), round pin (3), ratchet (4) and bolt (5); It is characterized in that: described bearing pin (2) bottom is provided with open slot, meniscate ratchet (4) also is hinged with round pin (3) with the open slot matched in clearance, ratchet (4) contacts with fastened outer wall of steel pipe with extrados, and steel tube fastener is loosening to be driven ratchet (4) when gliding and rotate around round pin (3) clockwise and constitute the ratchet Skidproof structure.
2. Skidproof structure of steel tube fastener according to claim 1 is characterized in that: the end face of described bearing pin (2) downwardly facing opening groove is high right low inclined-plane, a left side, and the inclined-plane right part is spacing to ratchet (4) backspin.
3. Skidproof structure of steel tube fastener according to claim 1 is characterized in that: the pin hole and the extrados of described ratchet (4) are eccentric structure, and its radius of curvature increases from left to right gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010239566 CN101899901A (en) | 2010-07-29 | 2010-07-29 | Skidproof structure of steel tube fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010239566 CN101899901A (en) | 2010-07-29 | 2010-07-29 | Skidproof structure of steel tube fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101899901A true CN101899901A (en) | 2010-12-01 |
Family
ID=43225786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010239566 Pending CN101899901A (en) | 2010-07-29 | 2010-07-29 | Skidproof structure of steel tube fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101899901A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264975A (en) * | 2014-09-26 | 2015-01-07 | 无锡市羊尖盛裕机械配件厂 | Connecting fastener |
| CN114211374A (en) * | 2021-12-27 | 2022-03-22 | 天津二建建筑工程有限公司 | Building construction guardrail and manufacturing equipment thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2193402Y (en) * | 1993-12-25 | 1995-03-29 | 蔡德源 | Self-locking quick buckle piece |
| CN2361737Y (en) * | 1999-04-19 | 2000-02-02 | 程舒 | Load-limiting safety device for lifting scaffold |
| GB2387618A (en) * | 2002-04-18 | 2003-10-22 | Wui Loong System Scaffolds Com | Scaffolding coupler |
| CN201381636Y (en) * | 2009-03-06 | 2010-01-13 | 陕西省第五建筑工程公司 | Formwork restriction assembly of lifting climbing formwork with inclined structure |
| CN201756790U (en) * | 2010-07-29 | 2011-03-09 | 锦宸集团有限公司 | Steel tube fastener anti-slip structure |
-
2010
- 2010-07-29 CN CN 201010239566 patent/CN101899901A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2193402Y (en) * | 1993-12-25 | 1995-03-29 | 蔡德源 | Self-locking quick buckle piece |
| CN2361737Y (en) * | 1999-04-19 | 2000-02-02 | 程舒 | Load-limiting safety device for lifting scaffold |
| GB2387618A (en) * | 2002-04-18 | 2003-10-22 | Wui Loong System Scaffolds Com | Scaffolding coupler |
| CN201381636Y (en) * | 2009-03-06 | 2010-01-13 | 陕西省第五建筑工程公司 | Formwork restriction assembly of lifting climbing formwork with inclined structure |
| CN201756790U (en) * | 2010-07-29 | 2011-03-09 | 锦宸集团有限公司 | Steel tube fastener anti-slip structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264975A (en) * | 2014-09-26 | 2015-01-07 | 无锡市羊尖盛裕机械配件厂 | Connecting fastener |
| CN114211374A (en) * | 2021-12-27 | 2022-03-22 | 天津二建建筑工程有限公司 | Building construction guardrail and manufacturing equipment thereof |
| CN114211374B (en) * | 2021-12-27 | 2023-10-27 | 天津二建建筑工程有限公司 | Building construction guardrail and manufacturing equipment thereof |
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| C06 | 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 |
Open date: 20101201 |