CN1788129A - Joint equipment for steel reinforcing - Google Patents
Joint equipment for steel reinforcing Download PDFInfo
- Publication number
- CN1788129A CN1788129A CNA2004800127596A CN200480012759A CN1788129A CN 1788129 A CN1788129 A CN 1788129A CN A2004800127596 A CNA2004800127596 A CN A2004800127596A CN 200480012759 A CN200480012759 A CN 200480012759A CN 1788129 A CN1788129 A CN 1788129A
- Authority
- CN
- China
- Prior art keywords
- reinforcing bar
- capping unit
- fixed sleeving
- conical surface
- reinforcing
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
- E04C5/162—Connectors or means for connecting parts for reinforcements
- E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
- E04C5/165—Coaxial connection by means of sleeves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/50—Bridged by diverse connector
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
Disclosed herein is a reinforcing bar coupler which is intended to easily couple reinforcing bars in reinforced concrete work, thus reducing a construction period and construction costs. The reinforcing bar coupler includes a cover unit to cover reinforcing bars, and a locking bushing fitted over the cover unit to firmly couple the cover unit to the reinforcing bars. The cover unit has a circular hole therein, and includes two or more pieces to cover circumferences of the reinforcing bars. Outer surfaces of the pieces are inclined in the same direction to form a tapered surface, and annular grooves are provided on an inner surface of each piece to receive annular ribs in the annular grooves. The locking bushing comprises at least one locking bushing, and has on an inner surface thereof a tapered surface to correspond to the tapered surface of the cover unit.
Description
Technical field
In general, the present invention relates to reinforcing bar connector, more particularly, relate to a kind of reinforcing bar connector, be used for connecting easily and will imbed steel bars in concrete, increasing its pulling force in reinforced concrete works, thereby shorten construction period and reduce building costs.
Background technology
In general, steel concrete is the concrete that comprises reinforcing bar, bears pressure with concrete, bears pulling force with reinforcing bar.
The process of making steel concrete is as follows.At first, reinforcing bar is arranged in the mould made from template, then with concrete spouting in mould, to be combined together to form single structure with reinforcing bar.In the case, will interconnect at some reinforcing bars that specific unit length is made by factory as required.Therefore, between the reinforcing bar that is connected, can form joint.In the process of concrete curing, the joint of specific tension between institute's connecting reinforcement arranged.In order to be enough to bear the pulling force that acts on these joints, must firmly keep the connection of these reinforcing bars.
Correspondingly, adopted the method for various firm these reinforcing bars of connection, for example, bridging method, pressure welding method, or the like.
The overlap joint process is carried out in the following manner: with the overlapping length-specific in the end of reinforcing bar, be held together with the overlapped ends of fastening wire with reinforcing bar.The advantage of bridging method is that reinforcing bar arrangement operation is very simple.But when the diameter of reinforcing bar was very big, the center of institute's connecting reinforcement differed from one another, and the pressure that therefore concentrates on these reinforcing bars is also different, thereby has weakened structural strength.Particularly under the situation of thin steel concrete, overlapping reinforcing bar has reduced the free space of mould, so be difficult to concrete spouting in mould.In addition, be difficult to arrange reinforcing bar, perhaps keep the thinnest desired concrete thickness by predetermined space.
On the other hand, the Pressure Welding termination process is as follows.That is, the end of reinforcing bar is docking together mutually, then to the end heating pressurization of these reinforcing bars, so that it is combined into a single structure.The problem of pressure welding method is that the work period is long, cost is high, in addition, also has the possibility of breaking out of fire, so be difficult to pressure welding method is used for connecting reinforcement.
In order to solve the problem that in overlap joint process and Pressure Welding termination process, occurs, adopted a kind of mechanical connection method that reinforcing bar is interconnected.
Proposed various types of connectors, be used for reinforcing bar is mechanically linked together mutually.But traditional reinforcing bar connector existing problems are because need make up many members by the assembling of complexity, so that reinforcing bar is interconnected.
Fig. 4 is a kind of decomposition diagram of traditional reinforcing bar connector; Sectional view among Fig. 5 has shown the reinforcing bar with the reinforcing bar connector connection of Fig. 4.Fig. 4 has illustrated a kind of traditional mechanical connection method.At first, the end of two reinforcing bars is docking together mutually, and covers with the end of capping unit 60 with reinforcing bar 50, this capping unit is divided into two parts.Then, the fixed sleeving 70 that all has a threaded portion on its inner surface is installed in the two ends of capping unit 60.In this way, reinforcing bar 50 is mechanically linked together mutually.This method provides high connection power, but is inconvenient to carry out attended operation.In detail, when vertically reinforcing bar being interconnected, must rotate upper and lower fixed sleeving, the threaded portion of fixed sleeving and the two ends of capping unit be meshed together, thereby the processing time is undesirably prolonged.In order to prevent to cause lengthening working hours, another kind of method of attachment has been proposed owing to the engagement of threaded portion.
According to this method of attachment, the end of two reinforcing bars is docking together mutually, and covers with the end of capping unit with reinforcing bar, this capping unit is divided into two parts.Then, promote the two ends that mounting method is installed in fixed sleeving capping unit by a kind of.This method can shorten the required time of threaded portion engagement, but is having difficulties aspect the promotion fixed sleeving.That is to say, can be at an easy rate be installed in the end of capping unit, promote downwards because the workman only needs to go up fixed sleeving with going up fixed sleeving.But, be difficult to descend fixed sleeving upwards to promote.
Because bridging method or pressure welding method all more are better than mechanical connection method (for example, job costs, work period, the simple degree of work etc.) in many aspects, so bridging method or pressure welding method still are widely used in many workplaces.
Summary of the invention
An object of the present invention is, a kind of reinforcing bar connector is provided, the structure of this reinforcing bar connector makes and can a small amount of member be combined mutually by simple assembling, so that reinforcing bar is firmly interconnected, thereby shorten working hours, and can carry out the reinforcing bar attended operation at an easy rate.The invention provides a kind of reinforcing bar connector, be used for reinforcing bar being interconnected by a kind of unidirectional promotion mounting method.That is, the end of two reinforcing bars is docking together mutually, and with capping unit the end is covered, this capping unit is divided into two or more parts.
Then, by unidirectional promotion mounting method, the end promotion fixed sleeving at capping unit interconnects reinforcing bar.This method has reduced the loss that causes because of the required time of engagement of thread part.In addition, the workman only needs to promote fixed sleeving along a direction, thereby makes attended operation very convenient.
In order to achieve the above object, the invention provides a kind of reinforcing bar connector, comprise a capping unit, be used to cover reinforcing bar; And a fixed sleeving that is installed on the capping unit, be used for capping unit firmly is connected to reinforcing bar.Capping unit has a circular hole, so that hold reinforcing bar in this hole, and comprises that two or more parts cover reinforcing bar.
In the case, the external surface of these parts to form a conical surface, all has cannelure, so that annular rib can place these cannelures to inclined on the inner surface of each part.Fixed sleeving comprises at least one fixed sleeving, and on the surface conical surface is arranged within it, with corresponding with the conical surface of capping unit.Fixed sleeving is installed on the capping unit, inwardly to compress capping unit.On the inner surface of two or more parts cannelure is arranged, these parts are combined together to form a circular hole, thereby encase reinforcing bar, and the annular rib of reinforcing bar places cannelure.
Capping unit can comprise a pair of part that all has semi-circular cross-section, and the external surface of these parts is to inclined, to form a conical surface.In addition, fixed sleeving is installed on the capping unit, and to compress capping unit to the reinforcing bar direction, fixed sleeving is tubular, has circular cross section, and the inner surface of formed pipe is corresponding with the conical surface of capping unit.
In addition, capping unit can comprise the vertical side channel on the inner surface of capping unit, so that the incline of reinforcing bar can place side channel.
The invention provides a kind of reinforcing bar connector, use this reinforcing bar connector, can interconnect by the reinforcing bar that simple operations will be arranged in reinforced concrete works, and provide enough intensity for the coupling part of reinforcing bar, thereby shorten the cycle of reinforcing bar arrangement work, and the cycle of reinforced concrete works.
Compare with traditional mechanical connection method (for example a kind of screw-threaded engagement method), the present invention can shorten the work period, because do not need the rotational fixation sleeve pipe.
In addition, according to the present invention, the workman only needs to promote all fixed sleevings along a direction, so the reinforcing bar attended operation is very easy to.
Description of drawings
Fig. 1 is the decomposition diagram of reinforcing bar connector according to an embodiment of the invention;
Sectional view among Fig. 2 has shown the reinforcing bar with the reinforcing bar connector connection of Fig. 1;
Phantom drawing among Fig. 3 has shown the specific part of reinforcing bar connector according to another embodiment of the present invention;
Fig. 4 is a kind of decomposition diagram of traditional reinforcing bar connector; And
Sectional view among Fig. 5 has shown the reinforcing bar with the reinforcing bar connector connection of Fig. 4.
The specific embodiment
Illustrate in greater detail a preferred embodiment of the present invention below with reference to accompanying drawings.
Fig. 1 is the decomposition diagram of reinforcing bar connector according to an embodiment of the invention; Sectional view among Fig. 2 has shown the reinforcing bar with the reinforcing bar connector connection of Fig. 1; Phantom drawing among Fig. 3 has shown the specific part of reinforcing bar connector according to another embodiment of the present invention; Fig. 4 is a kind of decomposition diagram of traditional reinforcing bar connector; And the sectional view among Fig. 5 has shown the reinforcing bar with the reinforcing bar connector connection of Fig. 4.
As shown in drawings, reinforcing bar connector 1 according to the present invention comprises a capping unit 10, is used to encase the joint of reinforcing bar; And a fixed sleeving 20, be used to compress capping unit 10 and reinforcing bar 30.
According to this embodiment, capping unit 10 comprises a pair of part 10a and the 10b that all has semi-circular cross-section.Have the part 10a of semi-circular cross-section and 10b to inclined, and be together with each other, encase reinforcing bar simultaneously.Therefore, capping unit 10 has column structure, and it is tapered to the one end.
Cannelure 12 is arranged, so that the annular rib 32 of reinforcing bar 30 can place these cannelures 12 on the inner surface of capping unit 10.
In this embodiment, on each inner surface of part 10a that constitutes capping unit 10 and 10b, a cannelure 12 is just arranged every certain distance.In the case, the spacing between the adjacent annular rib 32 of the spacing between the adjacent annular groove 12 and reinforcing bar 30 is corresponding.
Fixed sleeving 20 is tubular, and capping unit 10 inserts wherein.Form a conical surface 22 on the inner surface of fixed sleeving 20, with corresponding with the conical surface 16 of the external surface that limits capping unit 10.In the case, can determine the internal diameter of fixed sleeving 20 like this: the one, wherein can hold capping unit 10; The 2nd, allow the inner surface of fixed sleeving 20 and the conical surface 16 of capping unit 10 closely to combine.
According to present embodiment, fixed sleeving 20 is a blank pipe, and this blank pipe has circular cross section, and is tapered to the one end, to form a conical surface on the inner surface of this pipe.In addition, tubular fixed sleeving 20 can comprise a pair of fixed sleeving, and this a pair of fixed sleeving is positioned at the two ends of capping unit.When fixed sleeving was installed in the two ends of capping unit, the installation direction of fixed sleeving on capping unit 10 was to assign to than the major diameter part from the smaller diameter portion of capping unit 10.
Embodiment below with reference to accompanying drawings illustrates the operation of the present invention with above-mentioned structure.
At first, capping unit 10 has the part 10a and the 10b of a pair of semi-circular cross-section, is used to cover reinforcing bar 30.At this moment, the annular rib 32 of reinforcing bar 30 places the cannelure 12 of part 10a and 10b.
Then, the capping unit 10 that will be used to cover reinforcing bar 30 of the fixed sleeving 20 by form of a hollow pipe firmly is connected to reinforcing bar.In the case, fixed sleeving 20 is installed on the capping unit 10.In order to improve the connection power between the member, knock fixed sleeving 20.When knocking fixed sleeving 20, fixed sleeving 20 compresses capping unit 10 and reinforcing bar 30 securely.At this moment, the conical surface 22 on the inner surface of fixed sleeving 20 compresses the conical surface 16 on the external surface of capping unit 10.Therefore, fixed sleeving 20 and being maintained firm connection the between the capping unit 10, thus can prevent from unexpectedly fixed sleeving to be removed from capping unit 10.
When compressing capping unit 10 and reinforcing bar 30 by fixed sleeving 20, the annular rib 32 of reinforcing bar 30 places the cannelure 12 of capping unit 10, so that the end of two reinforcing bars can firmly link together.According to the present invention, the number of fixed sleeving can be one, two, three or more.When fixed sleeving comprised single cylinder, this cylinder had enough length and covers whole capping unit.
Simultaneously, when fixed sleeving comprised two cylinders, two cylinders were placed on the two ends of capping unit.In addition, when fixed sleeving comprises three cylinders, preferably these cylinders are placed on the middle part and the two ends of capping unit.When fixed sleeving comprised two or more cylinders, each cylinder can be shorter, so that fixed sleeving can be annular.In the present invention, the angle of inclination of the conical surface of the conical surface of capping unit and fixed sleeving is extremely important.When these conical surfaces angle separately is very big, can at an easy rate fixed sleeving be removed from capping unit.On the contrary, when these conical surfaces angle separately is very little, be not easy fixed sleeving is removed from capping unit, but may need the longer time that fixed sleeving is installed on the capping unit.After considering to comprise all factors of fastening force, this angle is preferably 1 ° to 3 ° comprehensively.
Fig. 3 has shown reinforcing bar connector according to another embodiment of the present invention.According to this embodiment, side channel 14 is arranged, on the inner surface of capping unit 10 so that the incline 34 of reinforcing bar 30 can place these side channels 14.
Therefore, when placing capping unit 10, capping unit 10 is placed on the reinforcing bar 30, so that the incline 34 of reinforcing bar 30 is inserted in the side channel 14 of capping unit 10.This structure makes the reinforcing bar connector of capping unit 10 that comprises of the present invention to be connected to reinforcing bar 30 with various angles.
Claims (5)
1. reinforcing bar connector comprises:
Capping unit wherein has a circular port, and comprises two or more parts, be used to cover reinforcing bar around, the external surface of these parts is to inclined, to form a taper table; Cannelure on the inner surface of each part is so that the annular rib of reinforcing bar can place in this cannelure; And
Tubular fixed sleeving, this is managed within it has conical surface on the surface, corresponding with the conical surface of capping unit, so that be fixed sleeve pipe and capping unit.
2. reinforcing bar connector as claimed in claim 1, wherein,
Capping unit comprises a pair of part that all has semi-circular cross-section, and the external surface of these parts is to inclined, to form a conical surface;
Fixed sleeving is tubular, has circular cross section, thereby forms the inner surface of this pipe, closely combines with the conical surface with capping unit.
3. reinforcing bar connector as claimed in claim 1 or 2, wherein, capping unit comprises:
Vertical side channel on the inner surface of capping unit is so that incline can place side channel.
4. reinforcing bar connector as claimed in claim 1 or 2, wherein, fixed sleeving comprises: a pair of fixed sleeving that compresses the capping unit two ends, the purpose that this capping unit is installed is to cover reinforcing bar.
5. connecting method for reinforcing bars comprises:
Place the end of reinforcing bar, the end of reinforcing bar is docking together mutually;
Placement all has two or more parts of conical surface, to encase the end of these reinforcing bars; And
Install and fix sleeve pipe by a kind of promotion mounting method along a direction, make the conical surface on the inner surface of fixed sleeving and the conical surface of these parts closely combine.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030063043A KR100594751B1 (en) | 2003-09-09 | 2003-09-09 | Joint Equipment for Steel Reinforcing |
| KR1020030063043 | 2003-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1788129A true CN1788129A (en) | 2006-06-14 |
Family
ID=36785086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004800127596A Pending CN1788129A (en) | 2003-09-09 | 2004-08-04 | Joint equipment for steel reinforcing |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20060228170A1 (en) |
| JP (1) | JP2007515575A (en) |
| KR (1) | KR100594751B1 (en) |
| CN (1) | CN1788129A (en) |
| WO (1) | WO2005024150A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276906A (en) * | 2013-06-06 | 2013-09-04 | 金陵科技学院 | Steel bar connection method and matched fastener thereof |
| CN103485338A (en) * | 2013-10-10 | 2014-01-01 | 江苏天舜金属材料集团有限公司 | Prestress uplift pile and construction method thereof |
| CN105424480A (en) * | 2015-12-16 | 2016-03-23 | 北京建筑材料检验研究院有限公司 | Dovetail-shaped anchoring connecting part testing device and method |
| CN105465122A (en) * | 2015-12-17 | 2016-04-06 | 周兆弟 | Crimp connection structure and crimp connection method |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100838962B1 (en) * | 2006-12-21 | 2008-06-16 | (주)바로건설기술 | Connectting structure of steel bar |
| KR100849742B1 (en) * | 2007-01-19 | 2008-07-31 | 이종훈 | Coupler for steel reinforcement |
| WO2009049379A1 (en) * | 2007-10-19 | 2009-04-23 | Automatic Technology (Australia) Pty Ltd | Improvements relating to drive assemblies |
| US8910916B2 (en) * | 2011-10-21 | 2014-12-16 | Joseph Karl Rafalik | Security mounting pole apparatus and method of use |
| JP2015135011A (en) * | 2014-01-17 | 2015-07-27 | 大谷製鉄株式会社 | Mechanical joint |
| AU354301S (en) * | 2014-02-18 | 2014-03-13 | Nexus Couplers Pty Ltd | A concrete reinforcing bar coupler part |
| AU354302S (en) * | 2014-02-18 | 2014-03-13 | Nexus Couplers Pty Ltd | A concrete reinforcing bar coupler part |
| US9546497B2 (en) | 2014-07-18 | 2017-01-17 | Robert Semaan | Link-plate connection for monopole reinforcing bars |
| KR101654465B1 (en) * | 2014-09-05 | 2016-09-09 | 고석옥 | Field forming couplers improve coherence in different rivers and mountains that precision reinforced connection |
| JP2016156204A (en) * | 2015-02-25 | 2016-09-01 | 株式会社アクト | Fastening structure imparting device |
| CN105298410B (en) * | 2015-11-17 | 2018-01-23 | 恒天九五重工有限公司 | A kind of tool joint |
| KR101807562B1 (en) * | 2015-12-10 | 2018-01-18 | 김정호 | Connecting device of iron bar |
| USD813023S1 (en) * | 2016-08-08 | 2018-03-20 | Reigstad & Associates, Inc. | Post-tension concrete splicing device |
| USD814912S1 (en) | 2016-08-08 | 2018-04-10 | Reigstad & Associates, Inc. | Post-tension concrete splicing device |
| CN106592873A (en) * | 2016-12-15 | 2017-04-26 | 青岛森林金属制品有限公司 | Reinforced net manufacturing device, reinforced net set and manufacturing method of reinforced net manufacturing device |
| US11092180B2 (en) * | 2018-05-14 | 2021-08-17 | Carl Barrow | Locking dowel assembly |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2066276A (en) * | 1934-06-12 | 1936-12-29 | Western Union Telegraph Co | Chuck or coupling |
| US3921281A (en) * | 1971-10-28 | 1975-11-25 | Daido Steel Co Ltd | Method for joining steel bars |
| US4408926A (en) * | 1981-05-26 | 1983-10-11 | Amp Incorporated | Axial crimp connection device |
| US5308184A (en) * | 1989-01-27 | 1994-05-03 | Techniport S.A. | Method and apparatus for mechanically joining concrete-reinforcing rods |
| CA2068666C (en) * | 1992-05-14 | 1995-04-11 | Tsung-Hwei Wu | Coupler for reinforcing bars |
| KR19980020421U (en) * | 1996-10-09 | 1998-07-15 | 이지호 | Rebar coupling device |
| US5967691A (en) * | 1997-12-02 | 1999-10-19 | Dayton Superior Corporation | Quick connect rebar splice |
| KR200202317Y1 (en) * | 1998-05-15 | 2000-11-15 | 노인환 | A connector of concrete reinforcing bar |
| GB0002006D0 (en) * | 2000-01-29 | 2000-03-22 | Copping Robert | Fixture |
| US7118299B2 (en) * | 2001-01-23 | 2006-10-10 | Erico International Corporation | Reinforcing bar connection and method |
| KR100375655B1 (en) * | 2001-02-14 | 2003-03-19 | 김용근 | Reinforcing bar connector |
| US20030053856A1 (en) * | 2001-09-14 | 2003-03-20 | Ching-Cheng Chen | Reinforcing bar connector |
-
2003
- 2003-09-09 KR KR1020030063043A patent/KR100594751B1/en active IP Right Grant
-
2004
- 2004-08-04 WO PCT/KR2004/001957 patent/WO2005024150A1/en active Application Filing
- 2004-08-04 US US10/553,773 patent/US20060228170A1/en not_active Abandoned
- 2004-08-04 JP JP2006525270A patent/JP2007515575A/en active Pending
- 2004-08-04 CN CNA2004800127596A patent/CN1788129A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276906A (en) * | 2013-06-06 | 2013-09-04 | 金陵科技学院 | Steel bar connection method and matched fastener thereof |
| CN103485338A (en) * | 2013-10-10 | 2014-01-01 | 江苏天舜金属材料集团有限公司 | Prestress uplift pile and construction method thereof |
| CN105424480A (en) * | 2015-12-16 | 2016-03-23 | 北京建筑材料检验研究院有限公司 | Dovetail-shaped anchoring connecting part testing device and method |
| CN105424480B (en) * | 2015-12-16 | 2018-07-10 | 北京建筑材料检验研究院有限公司 | A kind of swallow-tail form anchor connector test device and test method |
| CN105465122A (en) * | 2015-12-17 | 2016-04-06 | 周兆弟 | Crimp connection structure and crimp connection method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100594751B1 (en) | 2006-07-03 |
| US20060228170A1 (en) | 2006-10-12 |
| KR20050026630A (en) | 2005-03-15 |
| JP2007515575A (en) | 2007-06-14 |
| WO2005024150A1 (en) | 2005-03-17 |
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