CN115262866A - Mechanical extrusion sleeve assembly for modular connection - Google Patents
Mechanical extrusion sleeve assembly for modular connection Download PDFInfo
- Publication number
- CN115262866A CN115262866A CN202211174318.2A CN202211174318A CN115262866A CN 115262866 A CN115262866 A CN 115262866A CN 202211174318 A CN202211174318 A CN 202211174318A CN 115262866 A CN115262866 A CN 115262866A
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- China
- Prior art keywords
- extrusion
- sleeve
- jackscrew
- inner sleeve
- hole
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Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 68
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 230000006835 compression Effects 0.000 claims 6
- 238000007906 compression Methods 0.000 claims 6
- 238000010276 construction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention provides a mechanical extrusion sleeve assembly for modular connection, which comprises an inner sleeve and an outer sleeve; the inner sleeve is of a cylindrical structure, two rows of extrusion holes are symmetrically formed in two sides of the axis of the inner sleeve, each extrusion hole is formed along the radial direction of the inner sleeve, and an extrusion fixing block matched with each extrusion hole is movably inserted into each extrusion hole; the extrusion fixing block is of a fan-shaped block structure, and a top screw taper hole is formed in the outer circular arc surface of the extrusion fixing block along the radial direction; a jackscrew threaded hole is formed in the outer sleeve at a position corresponding to each jackscrew conical hole; after each extrusion fixed block is extruded towards the axis of the inner sleeve and is respectively occluded with two to-be-connected steel bars into a whole, the outer sleeve is sleeved on the inner sleeve, jackscrews are screwed into the jackscrew threaded holes and the jackscrew taper holes which are aligned one by one, and the to-be-connected steel bars, the extrusion fixed blocks and the outer sleeve are fixed into a whole. When the connecting device is used, threads do not need to be processed on the end parts of the steel bars, and the two steel bars can be directly connected conveniently on a construction site.
Description
Technical Field
The invention belongs to the technical field of connection of reinforcing steel bar sleeves for buildings, and particularly relates to a mechanical extrusion sleeve assembly for modular connection.
Background
At present, the steel bar connection in China generally adopts a straight thread process, but the straight thread connection process is inconvenient to adopt in some special occasions, such as the modularized connection of an assembled house, at present, a grouting sleeve is mainly adopted, and then, for example, the connection of a steel bar cage is adopted, and the applicant proposes an adjustable sleeve for the steel bar cage (patent number: 201922391883.4), which comprises a standard sleeve used for being connected with the steel bar thread of a steel bar cage, a lengthened sleeve used for being connected with the steel bar thread of another steel bar cage, and a lengthened counter thread used for connecting the standard sleeve and the lengthened sleeve; this adjustable sleeve for steel reinforcement cage can standardize the installation at the job site, and the efficiency of construction is high, and can guarantee construction quality, but this adjustable sleeve for steel reinforcement cage still need treat the reinforcing bar tip of connecting and carry out screw thread machining, consequently still has great inconvenience in the connection operation of job site.
Disclosure of Invention
The invention provides a mechanical extrusion sleeve assembly for modular connection, aiming at overcoming the defects of the prior art, and the mechanical extrusion sleeve assembly can be used for conveniently and directly connecting two steel bars on a construction site.
The present invention solves the above problems by the following technical means.
A mechanical extrusion sleeve assembly for modular connection comprises an inner sleeve and an outer sleeve movably sleeved on the inner sleeve; the inner sleeve is of a cylindrical structure, and the inner diameter of the inner sleeve is equal to or slightly larger than the bottom diameter of the steel bar to be connected; two rows of extrusion holes are symmetrically formed in two sides of the axis of the inner sleeve, each extrusion hole is formed along the radial direction of the inner sleeve, and an extrusion fixing block matched with each extrusion hole is movably inserted into each extrusion hole; the extrusion fixing block is of a fan-shaped block structure, and a top screw taper hole is formed in the outer arc surface of the extrusion fixing block along the radial direction; the outer sleeve is of a cylindrical structure, and the inner diameter of the outer sleeve is equal to the outer diameter of the inner sleeve; a jackscrew threaded hole is formed in the outer sleeve at a position corresponding to each jackscrew conical hole; after each extrusion fixing block is extruded towards the axis of the inner sleeve and is respectively occluded with two steel bars to be connected into a whole, the outer sleeve is sleeved on the inner sleeve, jackscrews are screwed into jackscrew threaded holes which are aligned with the jackscrew taper holes one by one, and the steel bars to be connected, the extrusion fixing blocks and the outer sleeve are fixed into a whole by the jackscrews.
Furthermore, the diameter of the inner arc surface of the extrusion fixing block is equal to the bottom diameter of the steel bar to be connected, and the diameter of the outer arc surface of the extrusion fixing block is equal to or slightly smaller than the outer diameter of the inner sleeve.
Furthermore, spiral occlusion teeth are arranged on the inner side arc surface of the extrusion fixing block.
Furthermore, the jackscrew comprises a jackscrew main body connected with the jackscrew threaded hole through threads and a jackscrew conical head matched with the jackscrew conical hole, and a polygonal counter sink is formed in the center of the outer end of the jackscrew main body.
Furthermore, flaring chamfers are arranged on the inner sides of two ports of the inner sleeve.
Furthermore, the middle part of the inner sleeve is provided with a positioning hole for inserting a positioning pin along the radial direction, and the positioning pin is used for ensuring that two steel bars to be connected can reach effective depth when being inserted into the inner sleeve.
Furthermore, the positioning pin is a split pin, and the outer diameter of the split pin is equal to or slightly larger than the aperture of the positioning hole.
The invention has the beneficial effects that: the mechanical extrusion sleeve assembly for modular connection does not need to process threads at the end part of the steel bar to be connected, can conveniently and directly connect two steel bars on a construction site, and can be used for various steel bar connection occasions. And when the coaxiality of the two reinforcing steel bars slightly deviates, the reinforcing steel bars can be smoothly inserted through the guiding of the flaring chamfers at the two ends of the inner hole.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Figure 2 is a schematic view of the inner sleeve of the present invention.
Fig. 3 is a schematic view of the construction of the outer sleeve of the present invention.
Fig. 4 is a schematic structural view of the extrusion fixing block of the present invention.
Fig. 5 is a schematic structural view of the jackscrew of the present invention.
Fig. 6 is a schematic view of the construction of the locating pin of the present invention.
In the figure: 1. inner skleeve, 2, extrusion fixed block, 3, locating pin, 4, the outer skleeve, 5, the extrusion hole, 6, jackscrew, 7, locating hole, 8, jackscrew taper hole, 9, jackscrew screw hole.
Detailed Description
For the purpose of promoting an understanding of the invention, reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings. It should be understood by those skilled in the art that the examples are only for the understanding of the present invention and should not be construed as the specific limitation of the present invention.
As shown in fig. 1-4, the present invention provides a mechanical extrusion sleeve assembly for modular connection, which comprises an inner sleeve 1 and an outer sleeve 4 movably sleeved on the inner sleeve 1; the inner sleeve 1 is a cylinder structure and the inner diameter thereof is equal to or slightly larger than the bottom diameter of the steel bar to be connected; two rows of extrusion holes 5 are symmetrically formed in two sides of the axis of the inner sleeve 1, and each row of extrusion holes 5 are distributed along the axial direction of the cylinder body; each extrusion hole 5 is formed along the radial direction of the inner sleeve 1, and an extrusion fixing block 2 matched with each extrusion hole is movably inserted in each extrusion hole 5; the extrusion fixing block 2 is of a fan-shaped block structure, and a jackscrew taper hole 8 is radially formed in the outer arc surface of the extrusion fixing block; the outer sleeve 4 is a cylindrical structure and the inner diameter of the outer sleeve is equal to the outer diameter of the inner sleeve 1; a jackscrew threaded hole 9 is formed in the position, corresponding to each jackscrew conical hole 8, on the outer sleeve 4; after each extrusion fixing block 2 is extruded towards the axis of the inner sleeve 1 by using an extrusion tool and is meshed with the steel bar to be connected into a whole, the outer sleeve 4 is sleeved on the inner sleeve 1, then the jackscrews 6 are screwed into the jackscrew threaded holes 9 aligned with the jackscrew taper holes 8 one by one, and the steel bar to be connected, the extrusion fixing block 2 and the outer sleeve 4 are fixed into a whole by using the jackscrews 6.
The diameter of the arc surface at the inner side of the extrusion fixing block 2 is equal to the bottom diameter of the steel bar to be connected, and the diameter of the arc surface at the outer side of the extrusion fixing block 2 is equal to or slightly smaller than the outer diameter of the inner sleeve 1, so that the outer sleeve 4 can be sleeved smoothly, and the extrusion fixing block 2 is tightly jacked and fixed.
As shown in fig. 4, the inner arc surface of the fixed block 2 is provided with spiral engaging teeth, and the fixed block 2 is extruded towards the axis of the inner sleeve 1 by an extruding tool, so that the fixed block 2 and the steel bar to be connected are engaged into a whole to form effective connection.
As shown in fig. 5, the jackscrew 6 comprises a jackscrew main body connected with the jackscrew threaded hole 9 through threads and a jackscrew conical head matched with the jackscrew conical hole 8, and a polygonal counter bore is formed in the center of the outer end of the jackscrew main body.
As shown in fig. 1, flaring chamfers are arranged on the inner sides of the two ports of the inner sleeve 1. The inner diameter of the inner sleeve 1 is matched with the bottom diameter of the steel bar to be connected so as to ensure that the steel bar to be connected can be smoothly inserted; when two to-be-connected steel bars are connected, if the coaxiality of the two to-be-connected steel bars slightly deviates, the to-be-connected steel bars can be ensured to be smoothly inserted through the guiding of the flaring chamfers at the two ends of the inner sleeve 1.
As shown in fig. 1 and 2, a positioning hole 7 for inserting the positioning pin 3 is radially formed in the middle of the inner sleeve 1, and the positioning pin 3 is used for ensuring that two steel bars to be connected can reach an effective depth when being inserted into the inner sleeve 1. After the positioning pin 3 is inserted into the positioning hole 7 in the middle of the inner sleeve 1, each steel bar to be connected is respectively inserted into the positioning pin 3 from two ports of the inner sleeve 1, namely, the effective depth is reached, and the effective depth is about half of the length of the inner sleeve 1.
As shown in fig. 6, the positioning pin 3 is a split pin, the outer diameter of which is equal to or slightly larger than the diameter of the positioning hole 7, so that the positioning pin 3 is prevented from falling off, and when the sleeve is installed, the steel bar penetrates into the inner sleeve 1 and contacts the positioning pin 3, and then stops, thereby ensuring the insertion depth of the steel bar.
The mechanical extrusion sleeve assembly for modular connection provided by the invention does not need to process threads on the end part of the steel bar to be connected, can conveniently and directly connect two steel bars on a construction site, and can be used for various steel bar connection occasions. During the use, at first with two reinforcing bars that wait to connect insert wherein and reach effective degree of depth from two interior orifices of inner skleeve 1 respectively, insert extrusion fixed block 2 again in extrusion hole 5, then use extrusion instrument with extrude fixed block 2 to the axle center extrusion of inner skleeve 1, make extrusion fixed block 2 and wait to connect the reinforcing bar interlock fixed, at last with outer skleeve 4 cover on inner skleeve 1, again to screwing in jackscrew 6 in the jackscrew screw hole 9 with each jackscrew taper hole 8 alignment one by one, utilize jackscrew 6 to wait to connect the reinforcing bar, extrusion fixed block 2 and outer skleeve 4 are fixed as an organic whole, guarantee that extrusion fixed block 2 can not expand outward and drop in the tensile process, can also pass through on jackscrew 6 transmits outer skleeve 4 with partial atress simultaneously, the atress forms a whole.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a modularization is connected with mechanical extrusion sleeve subassembly which characterized in that: comprises an inner sleeve (1) and an outer sleeve (4) movably sleeved on the inner sleeve (1); the inner sleeve (1) is of a cylindrical structure, and the inner diameter of the inner sleeve is equal to or slightly larger than the bottom diameter of the steel bar to be connected; two rows of extrusion holes (5) are symmetrically formed in two sides of the axis of the inner sleeve (1), each extrusion hole (5) is formed along the radial direction of the inner sleeve (1), and an extrusion fixing block (2) matched with each extrusion hole is movably inserted into each extrusion hole (5); the extrusion fixing block (2) is of a fan-shaped block structure, and a jackscrew taper hole (8) is formed in the outer arc surface of the extrusion fixing block along the radial direction; the outer sleeve (4) is of a cylindrical structure, and the inner diameter of the outer sleeve is equal to the outer diameter of the inner sleeve (1); a jackscrew threaded hole (9) is formed in the outer sleeve (4) at a position corresponding to each jackscrew conical hole (8); after each extrusion fixing block (2) is extruded towards the axis of the inner sleeve (1) and respectively meshed with two steel bars to be connected into a whole, the outer sleeve (4) is sleeved on the inner sleeve (1), jackscrews (6) are screwed into jackscrew threaded holes (9) aligned with the jackscrew tapered holes (8) one by one, and the steel bars to be connected, the extrusion fixing blocks (2) and the outer sleeve (4) are fixed into a whole by the jackscrews (6).
2. The modular connecting mechanical compression sleeve assembly of claim 1, wherein: the diameter of the inner side arc surface of the extrusion fixing block (2) is equal to the bottom diameter of the steel bar to be connected, and the diameter of the outer side arc surface of the extrusion fixing block is equal to or slightly smaller than the outer diameter of the inner sleeve (1).
3. The modular connecting mechanical compression sleeve assembly of claim 1, wherein: spiral meshing teeth are arranged on the inner side arc surface of the extrusion fixing block (2).
4. The modular connecting mechanical compression sleeve assembly of claim 1, wherein: the jackscrew (6) comprises a jackscrew main body connected with the jackscrew threaded hole (9) through threads and a jackscrew conical head matched with the jackscrew conical hole (8), and a polygonal counter bore is formed in the center of the outer end of the jackscrew main body.
5. The modular connecting mechanical compression sleeve assembly of claim 1, wherein: flaring chamfers are arranged on the inner sides of two ports of the inner sleeve (1).
6. The modular connecting mechanical compression sleeve assembly of claim 1, wherein: the steel bar connecting device is characterized in that a positioning hole (7) for inserting the positioning pin (3) is formed in the middle of the inner sleeve (1) in the radial direction, and the positioning pin (3) is used for ensuring that two steel bars to be connected can be inserted into the inner sleeve (1) to reach an effective depth.
7. The modular connecting mechanical compression sleeve assembly of claim 6, wherein: the positioning pin (3) is a split pin, and the outer diameter of the split pin is equal to or slightly larger than the aperture of the positioning hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211174318.2A CN115262866B (en) | 2022-09-26 | 2022-09-26 | Mechanical extrusion sleeve assembly for modular connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211174318.2A CN115262866B (en) | 2022-09-26 | 2022-09-26 | Mechanical extrusion sleeve assembly for modular connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115262866A true CN115262866A (en) | 2022-11-01 |
| CN115262866B CN115262866B (en) | 2023-01-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211174318.2A Active CN115262866B (en) | 2022-09-26 | 2022-09-26 | Mechanical extrusion sleeve assembly for modular connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115262866B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009041287A (en) * | 2007-08-09 | 2009-02-26 | Fuji Bolt Seisakusho:Kk | Connecting structure of reinforcing bars |
| CN204876349U (en) * | 2015-07-17 | 2015-12-16 | 上海核工程研究设计院 | Steel bar anchoring device |
| CN205330010U (en) * | 2015-12-29 | 2016-06-22 | 河北易达钢筋连接技术有限公司 | Explosion -proof steel bar connection sleeve |
| CN113944280A (en) * | 2021-11-07 | 2022-01-18 | 眉山中车紧固件科技有限公司 | Axial reinforcing steel bar cold extrusion connecting sleeve and special tool thereof |
-
2022
- 2022-09-26 CN CN202211174318.2A patent/CN115262866B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009041287A (en) * | 2007-08-09 | 2009-02-26 | Fuji Bolt Seisakusho:Kk | Connecting structure of reinforcing bars |
| CN204876349U (en) * | 2015-07-17 | 2015-12-16 | 上海核工程研究设计院 | Steel bar anchoring device |
| CN205330010U (en) * | 2015-12-29 | 2016-06-22 | 河北易达钢筋连接技术有限公司 | Explosion -proof steel bar connection sleeve |
| CN113944280A (en) * | 2021-11-07 | 2022-01-18 | 眉山中车紧固件科技有限公司 | Axial reinforcing steel bar cold extrusion connecting sleeve and special tool thereof |
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| Publication number | Publication date |
|---|---|
| CN115262866B (en) | 2023-01-17 |
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Address after: 052160 No.6 Dongning Road, East Park, Shijiazhuang Economic and Technological Development Zone, Gaocheng District, Shijiazhuang City, Hebei Province Patentee after: Hebei Yida Nuclear Union Machinery Manufacturing Co.,Ltd. Country or region after: China Address before: 052160 No.38 Xingye street, Shijiazhuang Economic and Technological Development Zone, Shijiazhuang City, Hebei Province Patentee before: HEBEI YIDA REINFORCING BAR CONNECTING TECHNOLOGY Co.,Ltd. Country or region before: China |