CN110924596A - Taper sleeve type steel bar connector - Google Patents
Taper sleeve type steel bar connector Download PDFInfo
- Publication number
- CN110924596A CN110924596A CN201911316602.7A CN201911316602A CN110924596A CN 110924596 A CN110924596 A CN 110924596A CN 201911316602 A CN201911316602 A CN 201911316602A CN 110924596 A CN110924596 A CN 110924596A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- connecting piece
- wrench
- connecting pipe
- external
- 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
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 10
- 238000010276 construction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
- E04G21/122—Machines for joining reinforcing bars
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention relates to a taper sleeve type steel bar connector which comprises a connecting piece and two external members; the middle part of the connecting piece is a columnar connecting piece wrench position, and connecting pipes coaxial with the connecting piece wrench position are symmetrically arranged on two axial end faces of the connecting piece wrench position; the outer wall of the inner end part of the connecting pipe is provided with external threads; the outer diameter of the outer end of the connecting pipe is contracted to form an outer conical surface; the sleeve is tubular, one end of the sleeve is provided with a sleeve spanner position with internal threads, and the inner diameter of the other end of the sleeve is contracted to form an inner conical surface; the external member is sleeved at two ends of the connecting piece and is connected through the matching of the internal and external threads and the internal and external conical surfaces. The clamping piece is continuously extruded by the taper sleeve through screwing the nut and the external thread, so that the clamping piece is continuously tightened and deformed, the internal steel bar is firmly fastened, and meanwhile, the sleeve piece and the connecting piece are fixedly connected through the thread, so that the steel bar is reliably and firmly connected, the structure is simple, the stress is reasonable and clear, the connection is firm, and the operation is convenient.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a taper sleeve type steel bar connector.
Background
At present, the building engineering industry of China is in the gold development period, various constructions including industrial and civil construction, infrastructure construction and the like are actively developed, and the reinforced concrete structure occupies a main position. The steel bar connection is the most basic and common construction operation in the construction process, and the steel bar connection technology is also a key technology which needs to meet the requirements of safety and reliability and has huge workload. In practical engineering application, special situations such as connection of ring-shaped steel bars, connection of steel bar components, connection of steel bars in prefabricated structures and the like, in which connected steel bars cannot rotate or move axially, are often encountered, and thus higher adaptability requirements are provided for the existing steel bar connection technology.
The existing steel bar connection modes comprise steel bar lap joint welding connection, straight thread sleeve connection, grouting sleeve connection and the like. The lap welding connection of the steel bars has the defects of low on-site construction precision, material waste, low efficiency and the like; the straight thread sleeve connecting process is complex, threads need to be sleeved and buckled on the reinforcing steel bar connecting end in advance or on site, the production efficiency is low, the reinforcing steel bars need to be rotated during connection to realize connection, and the practical application conditions of connection of the annular reinforcing steel bars and the like cannot be met; the grouting sleeve connection has the problems of uncontrollable construction quality and the like at present and cannot meet the requirements of safety and reliability. Therefore, on the premise of ensuring the connection performance, a steel bar connection form with higher reliability and wider applicability is required to be developed, so that the requirements of high-efficiency and high-quality development of the construction engineering industry are met.
Disclosure of Invention
The invention aims to provide a taper sleeve type steel bar connector, which can ensure that a reinforced concrete structure can be efficiently and reliably connected when the conditions that a steel bar cannot rotate or axially move and the like occur in the construction process, and overcomes the defects of the prior art.
The technical scheme adopted by the invention is as follows:
taper sleeve type steel bar connector, its characterized in that:
the connector comprises a connecting piece and two sleeve pieces;
the middle part of the connecting piece is a columnar connecting piece wrench position, and connecting pipes coaxial with the connecting piece wrench position are symmetrically arranged on two axial end faces of the connecting piece wrench position; the outer wall of the inner end part of the connecting pipe is provided with external threads; the outer diameter of the outer end of the connecting pipe is contracted to form an outer conical surface;
the sleeve is tubular, one end of the sleeve is provided with a sleeve spanner position with internal threads, and the inner diameter of the other end of the sleeve is contracted to form an inner conical surface;
the external member is sleeved at two ends of the connecting piece and is connected through the matching of the internal and external threads and the internal and external conical surfaces.
At least two deformation joints in the bus direction are formed in the pipe wall of the outer end of the connecting pipe, and the outer end of the connecting pipe is divided into at least two clamping pieces.
The inner surface of the clamping piece is provided with a convex rib in the bus direction.
The outer diameter of the connecting piece wrench position is larger than that of the connecting pipes at two ends, and the circumferential surface of the connecting piece wrench position is used as an operation surface for clamping the wrench.
The wrench position of the connecting piece is a hexagonal wrench position or a circular wrench position.
The wrench position of the external member is a nut, the outer end of the nut is a taper sleeve, the inner cavity of the taper sleeve is in a taper shape, and the inner surface of the taper sleeve is a conical surface;
the outer diameter of the nut is larger than the taper sleeve at the outer end, and the circumferential surface of the nut is used as an operation surface for clamping the wrench.
The wrench position of the external member is a hexagonal wrench position or a circular wrench position.
The inner cavity of the connecting pipe is cylindrical, the inner diameter is equal to the length of the whole connecting pipe, and the ends of the steel bars to be connected are inserted into the connecting pipe.
The external sleeve is externally sleeved outside the connecting pipe of the connecting piece, and when the external sleeve is screwed inwards, the internal conical surface of the external sleeve compresses the external conical surface of the outer end of the connecting pipe and enables the clamping piece to clamp the steel bar.
The invention has the following advantages:
when the wrench is used, the nut of the kit is screwed by only using the wrench, so that the wrench is simple and convenient to operate. The external member symmetry suit at both ends is on the connecting piece, and in the process of screwing up, because the existence of conical surface, the taper sleeve of external member constantly extrudees the clamping piece of connecting piece, and the clamping piece receives outside-in's pressure, makes the clamping piece constantly tighten up the deformation to hold the inside reinforcing bar tightly, realize fixing through threaded connection between external member and the connecting piece simultaneously, thereby realize reliably firm the connection to the reinforcing bar.
The invention can be made into series products, and the reinforcing steel bar connector of one model is arranged corresponding to each type of reinforcing steel bar. The diameter sizes of the two connected steel bars can be the same or different, and when the diameter sizes of the two steel bars are different, the connecting piece and the external member matched with the models of the two steel bars can be customized.
The nut of the external member is screwed with the external thread of the connecting member, so that the taper sleeve of the external member applies outside-in pressure to the clamping piece of the connecting member, the clamping piece is tightly connected with the reinforcing steel bar, and the connection of the reinforcing steel bar is realized.
Drawings
FIG. 1 is a schematic semi-sectional view of the present invention;
FIG. 2 is a schematic surface view of a connector;
FIG. 3 is a schematic cross-sectional view of a connector;
FIG. 4 is a schematic surface view of a kit;
FIG. 5 is a cross-sectional schematic view of a kit;
the figures are labeled as follows:
1-connecting piece, 11-connecting piece wrench position, 12-external thread, 121-inner cavity, 13-clamping piece, 131-external conical surface, 132-deformation joint;
2-external member, 21-nut, 211-external member wrench position, 212-internal thread, 22-taper sleeve, 221-internal taper surface;
and 3, reinforcing steel bars.
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
The invention relates to a taper sleeve type steel bar connector, which comprises a connecting piece 1 and two sleeve pieces 2; the middle part of the connecting piece 1 is a columnar connecting piece wrench position 11, and connecting pipes coaxial with the connecting piece wrench position 11 are symmetrically arranged on two axial end faces of the connecting piece wrench position 11; the outer wall of the inner end part of the connecting pipe is provided with external threads 12; the outer diameter of the outer end of the connecting pipe is contracted to form an outer conical surface 131; the sleeve 2 is tubular, one end of the sleeve is provided with a sleeve wrench position 211 provided with an internal thread 212, and the inner diameter of the other end of the sleeve is contracted to form an inner conical surface 221; the sleeve member 2 is sleeved at two ends of the connecting member 1 and connected through the matching of the internal and external threads and the internal and external conical surfaces.
At least two deformation joints 132 in the bus direction are formed in the pipe wall of the outer end of the connecting pipe, the outer end of the connecting pipe is divided into at least two clamping pieces 13, and convex ribs in the bus direction are arranged on the inner surface of each clamping piece 13.
The outer diameter of the connecting piece wrench position 11 is larger than that of the connecting pipes at the two ends, and the circumferential surface of the connecting piece wrench position 11 is used as an operation surface for clamping the wrench. The connector wrench position 11 is a hexagonal wrench position or a circular wrench position, or other types of wrench positions.
The wrench position 211 of the kit is a nut 21, the outer end of the nut 21 is a taper sleeve 22, the outer diameter of the nut 21 is larger than the taper sleeve 22 at the outer end, and the circumferential surface of the nut 21 is used as an operation surface for clamping the wrench. The socket wrench position 211 may be a hexagonal wrench position, a circular wrench position, or other types of wrench positions.
The inner cavity of the connecting pipe is cylindrical, the inner diameter is equal to the length, and the end of the steel bar 3 to be connected is inserted into the connecting pipe. The sleeve 2 is externally sleeved outside the connecting pipe of the connecting piece 1, and when the sleeve 2 is screwed inwards, the inner conical surface 221 of the sleeve 2 presses the outer conical surface 131 of the outer end of the connecting pipe and enables the clamping piece to clamp the reinforcing steel bar 3.
The specific use flow of the invention is as follows:
(1) sleeving the two external members 2 at the end parts of the two steel bars 3 to be connected respectively to enable the nuts 21 of the two external members 2 to be arranged oppositely;
(2) the end parts of the reinforcing steel bars 3 are respectively inserted into the two inner cavities 121 of the connecting piece 1, and then the two sleeve pieces 2 are symmetrically sleeved on the clamping pieces 13 at the two ends of the connecting piece 1;
(3) the external thread 12 on the connecting piece 1 and the nut 21 on the corresponding sleeve 2 are screwed by a wrench or other mounting tools until being screwed, and the inner conical surface 221 of the taper sleeve 22 continuously extrudes the outer conical surface 131 of the clamping piece 13 in the process, so that the clamping piece 13 continuously shrinks inwards and deforms, thereby firmly fastening the internal steel bar 3 and realizing the reliable connection of the steel bar 3.
The invention is not limited to the examples, and any equivalent changes to the technical solution of the invention by a person skilled in the art after reading the description of the invention are covered by the claims of the invention.
Claims (9)
1. Taper sleeve type steel bar connector, its characterized in that:
the connector comprises a connecting piece (1) and two sleeve pieces (2);
the middle part of the connecting piece (1) is provided with a columnar connecting piece spanner position (11), and two axial end faces of the connecting piece spanner position (11) are symmetrically provided with connecting pipes coaxial with the connecting piece spanner position (11); the outer wall of the inner end part of the connecting pipe is provided with an external thread (12); the outer diameter of the outer end of the connecting pipe is contracted to form an outer conical surface (131);
the sleeve (2) is tubular, one end of the sleeve is provided with a sleeve wrench position (211) with an internal thread (212), and the inner diameter of the other end of the sleeve is contracted to form an inner conical surface (221);
the sleeve (2) is sleeved at two ends of the connecting piece (1) and connected through the matching of the internal and external threads and the internal and external conical surfaces.
2. The taper sleeve type reinforcing bar connector according to claim 1, wherein:
at least two deformation joints (132) in the direction of a bus are formed in the pipe wall of the outer end of the connecting pipe, and the outer end of the connecting pipe is divided into at least two clamping pieces (13).
3. The taper sleeve type reinforcing bar connector according to claim 2, wherein:
the inner surface of the clamping piece (13) is provided with convex ribs in the bus direction.
4. The coned sleeved reinforcing bar connector of claim 3, wherein:
the outer diameter of the connecting piece wrench position (11) is larger than that of the connecting pipe at two ends, and the circumferential surface of the connecting piece wrench position (11) is used as an operation surface for clamping the wrench.
5. The taper sleeve type reinforcing bar connector according to claim 4, wherein:
the connector wrench position (11) is a hexagonal wrench position or a circular wrench position.
6. The coned sleeved reinforcing bar connector of claim 5, wherein:
the wrench position (211) of the external member is a nut (21), the outer end of the nut (21) is a taper sleeve (22), the inner cavity of the taper sleeve (22) is in a taper shape, and the inner surface of the taper sleeve (22) is a conical surface;
the outer diameter of the nut (21) is larger than that of the taper sleeve (22) at the outer end, and the circumferential surface of the nut (21) is used as an operation surface for clamping a wrench.
7. The coned sleeved reinforcing bar connector of claim 6, wherein:
the wrench position (211) of the external member is a hexagonal wrench position or a circular wrench position.
8. The coned sleeved reinforcing bar connector of claim 7, wherein:
the inner cavity of the connecting pipe is cylindrical, the inner diameter is equal to the length, and the end of the steel bar (3) to be connected is inserted into the connecting pipe.
9. The coned sleeved reinforcing bar connector of claim 8, wherein:
the sleeve (2) is externally sleeved outside the connecting pipe of the connecting piece (1), and when the sleeve (2) is screwed inwards, the inner conical surface (221) of the sleeve (2) compresses the outer conical surface (131) of the outer end of the connecting pipe and enables the clamping piece to clamp the steel bar (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316602.7A CN110924596A (en) | 2019-12-19 | 2019-12-19 | Taper sleeve type steel bar connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911316602.7A CN110924596A (en) | 2019-12-19 | 2019-12-19 | Taper sleeve type steel bar connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110924596A true CN110924596A (en) | 2020-03-27 |
Family
ID=69864319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911316602.7A Pending CN110924596A (en) | 2019-12-19 | 2019-12-19 | Taper sleeve type steel bar connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110924596A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585652A (en) * | 2021-09-07 | 2021-11-02 | 中国建筑第七工程局有限公司 | Same-layer construction method for pipeline decoration integrated pre-assembled wallboard and main body structure |
| CN115012588A (en) * | 2022-06-29 | 2022-09-06 | 扬州大学 | Steel bar connecting piece and using method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200192465Y1 (en) * | 2000-01-26 | 2000-08-16 | 김종운 | Splicing device for reinforcement steel bars |
| US20010016143A1 (en) * | 1999-12-08 | 2001-08-23 | Suntisuk Plooksawasdi | Connector for self coupling steel bars |
| CN2558710Y (en) * | 2002-08-01 | 2003-07-02 | 何川 | Threaded reinforcing bar joint |
| CN1526903A (en) * | 2003-03-07 | 2004-09-08 | �宏道 | Wedged connecting rod joint |
| CN201195914Y (en) * | 2008-03-26 | 2009-02-18 | 北京建筑机械化研究院 | Split type coupling sleeve |
| CN201284534Y (en) * | 2008-11-07 | 2009-08-05 | 歌山建设集团有限公司 | Simple minor diameter steel bar connector |
| CN208379920U (en) * | 2018-07-04 | 2019-01-15 | 于洋 | A kind of steel concrete supporting part |
| CN211666094U (en) * | 2019-12-19 | 2020-10-13 | 中交第一公路勘察设计研究院有限公司 | Taper sleeve type steel bar connector |
-
2019
- 2019-12-19 CN CN201911316602.7A patent/CN110924596A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010016143A1 (en) * | 1999-12-08 | 2001-08-23 | Suntisuk Plooksawasdi | Connector for self coupling steel bars |
| KR200192465Y1 (en) * | 2000-01-26 | 2000-08-16 | 김종운 | Splicing device for reinforcement steel bars |
| CN2558710Y (en) * | 2002-08-01 | 2003-07-02 | 何川 | Threaded reinforcing bar joint |
| CN1526903A (en) * | 2003-03-07 | 2004-09-08 | �宏道 | Wedged connecting rod joint |
| CN201195914Y (en) * | 2008-03-26 | 2009-02-18 | 北京建筑机械化研究院 | Split type coupling sleeve |
| CN201284534Y (en) * | 2008-11-07 | 2009-08-05 | 歌山建设集团有限公司 | Simple minor diameter steel bar connector |
| CN208379920U (en) * | 2018-07-04 | 2019-01-15 | 于洋 | A kind of steel concrete supporting part |
| CN211666094U (en) * | 2019-12-19 | 2020-10-13 | 中交第一公路勘察设计研究院有限公司 | Taper sleeve type steel bar connector |
Non-Patent Citations (1)
| Title |
|---|
| 卜良桃等: "《土木工程施工》", 30 November 2019, 武汉理工大学出版社, pages: 104 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113585652A (en) * | 2021-09-07 | 2021-11-02 | 中国建筑第七工程局有限公司 | Same-layer construction method for pipeline decoration integrated pre-assembled wallboard and main body structure |
| CN113585652B (en) * | 2021-09-07 | 2022-10-18 | 中国建筑第七工程局有限公司 | Same-layer construction method for pipeline decoration integrated pre-assembled wallboard and main body structure |
| CN115012588A (en) * | 2022-06-29 | 2022-09-06 | 扬州大学 | Steel bar connecting piece and using method thereof |
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