CN211666094U - Taper sleeve type steel bar connector - Google Patents
Taper sleeve type steel bar connector Download PDFInfo
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- CN211666094U CN211666094U CN201922294851.2U CN201922294851U CN211666094U CN 211666094 U CN211666094 U CN 211666094U CN 201922294851 U CN201922294851 U CN 201922294851U CN 211666094 U CN211666094 U CN 211666094U
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- wrench
- connecting pipe
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Abstract
The utility model 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 utility model discloses a to revolving of nut and external screw thread soon, make the taper sleeve constantly extrude the clamping piece, make the clamping piece constantly tighten up the deformation to firmly fasten inside reinforcing bar, realize fixedly through threaded connection between external member and the connecting piece simultaneously, thereby realize the reliable firm connection to the reinforcing bar, simple structure, the atress is reasonable clear, connects firmly, the simple operation.
Description
Technical Field
The utility model belongs to the technical field of building engineering, concretely relates to 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 utility model aims at providing a taper sleeve type steel bar connector for the reinforced concrete structure meets in the work progress the reinforcing bar and can not rotate and still can high-efficient reliable connection when also can not the condition such as axial displacement, overcomes prior art's defect.
The utility model discloses the technical scheme who adopts does:
the utility model provides a taper sleeve type steel bar connector which 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 utility model has the advantages of it is following:
the utility model discloses only with the nut of spanner tightening external member when using can, easy operation is convenient. 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 utility model discloses can make series products, the reinforcing bar that corresponds every model sets up the steel bar connector of a model. 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 utility model discloses a nut of external member is twisted with the external screw thread of connecting piece and is closed the connection to outside-in pressure is exerted to the clamping piece of connecting piece to the taper sleeve that makes the external member, makes clamping piece and reinforcing bar fastening connection, realizes the connection of reinforcing bar, and the simple structure of this connector, the atress is reasonable clear, connects firmly, the simple operation.
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 the following embodiments.
The utility model relates to a taper sleeve type steel bar connector, which comprises a connecting piece 1 and two external members 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 utility model discloses a concrete use flow 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 content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.
Claims (9)
1. The utility model provides a taper sleeve type steel bar connector which 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 coned bushing type reinforcement connector as set forth in 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. A 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. A taper sleeve type reinforcing bar connector according to 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 coned bushing type reinforcement connector as set forth in claim 4, wherein:
the connector wrench position (11) is a hexagonal wrench position or a circular wrench position.
6. The coned bushing type reinforcement connector as set forth in 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 bushing type reinforcement connector as set forth in claim 6, wherein:
the wrench position (211) of the external member is a hexagonal wrench position or a circular wrench position.
8. The coned bushing type reinforcement connector as set forth in 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 bushing type reinforcement connector as set forth in 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 |
|---|---|---|---|
| CN201922294851.2U CN211666094U (en) | 2019-12-19 | 2019-12-19 | Taper sleeve type steel bar connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922294851.2U CN211666094U (en) | 2019-12-19 | 2019-12-19 | Taper sleeve type steel bar connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211666094U true CN211666094U (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922294851.2U Active CN211666094U (en) | 2019-12-19 | 2019-12-19 | Taper sleeve type steel bar connector |
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| CN (1) | CN211666094U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924596A (en) * | 2019-12-19 | 2020-03-27 | 中交第一公路勘察设计研究院有限公司 | Taper sleeve type steel bar connector |
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2019
- 2019-12-19 CN CN201922294851.2U patent/CN211666094U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924596A (en) * | 2019-12-19 | 2020-03-27 | 中交第一公路勘察设计研究院有限公司 | Taper sleeve type steel bar connector |
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