CN219386883U - Variable-diameter steel bar and pile head steel bar connector - Google Patents
Variable-diameter steel bar and pile head steel bar connector Download PDFInfo
- Publication number
- CN219386883U CN219386883U CN202320824683.7U CN202320824683U CN219386883U CN 219386883 U CN219386883 U CN 219386883U CN 202320824683 U CN202320824683 U CN 202320824683U CN 219386883 U CN219386883 U CN 219386883U
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- steel bar
- locking plate
- plate group
- pile head
- spring
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Abstract
The utility model provides a variable-diameter steel bar and pile head bar connector, which comprises a cylinder body, wherein a conical section and a threaded section are arranged in an inner hole of the cylinder body, the conical section is a conical surface, a locking plate group is arranged in the inner hole of the cylinder body, the locking plate group consists of at least two locking plate circumferential arrays, the outer cylindrical surface of the locking plate group is the conical surface and is attached to the conical section, the end surface of the locking plate group is abutted against a spring, the other end of the spring is abutted against a converter, the converter is provided with external threads, and the converter is matched with the threaded section through the external threads and is mainly used for connecting the pile head bar with other steel bars, so that the connector is rapid and easy to operate.
Description
Technical Field
The utility model relates to the technical field of steel bar connection, in particular to a variable-diameter steel bar and pile head steel bar connector.
Background
The steel bar is a basic building material in the building industry, and two steel bars are often required to be connected in the building construction process so as to meet the requirement of the length of a building and improve the safety. Many buildings are constructed in a plurality of construction periods, basic piers are constructed in the early stage, and reinforcing joints are reserved on the outer surfaces of the basic piers, and are commonly called as pile head ribs.
In the subsequent construction process, pile head ribs and other reinforcing steel bars are required to be connected to meet the later construction requirements, and the following problems exist in the prior general welding technology:
welding requires auxiliary connection of a welding machine, and has higher technical requirements on welding of workers. The welding requires high lap joint cost and low connection speed. The welding may generate open fire and is unsafe.
Disclosure of Invention
The utility model aims at overcoming the defects in the prior art, and provides the variable-diameter steel bar and pile head steel bar connector which is simple to operate, can quickly realize connection between pile head steel bars and steel bars with different diameters, and is stable and does not fall off after connection.
The purpose of the utility model is realized in the following way: the device comprises a cylinder body, wherein an inner hole of the cylinder body is provided with a conical section and a threaded section, and the conical section is a conical surface;
the inner hole of the cylinder body is provided with a locking plate group, the locking plate group consists of at least two locking plate circumferential arrays, and the outer cylindrical surface of the locking plate group is a conical surface and is attached to the conical section;
the end face of the locking plate group is abutted against the spring, and the other end of the spring is abutted against the converter;
the converter is provided with external threads, and the external threads are matched with the thread sections;
the converter is provided with internal threads, and is in threaded connection with the end part of the steel bar through the internal threads.
Further, the transducer end abuts a spring compressor that abuts one end of the spring.
Further, the spring compactor is a gasket or a plug;
the outer cylindrical surface of the screwed plug is provided with threads which are matched with the thread sections of the cylinder body,
further, one end of the converter is provided with a boss.
Further, the small diameter end of the conical section of the cylinder is provided with an annular table, and the outer end of the annular table is provided with a chamfer.
Further, the inner hole of the locking plate group is provided with inverted teeth for clamping the reinforcing steel bars.
Further, an annular groove is formed in the outer circle of the locking plate group, and an inner ring of the locking plate group is arranged in the annular groove.
The utility model has the beneficial effects that: the conical section in the cylinder is provided with a lock plate group, the lock plate group is provided with a pawl, the steel bar can be smoothly inserted into the lock plate group, after the steel bar is inserted, the spring provides a pre-locking force, so that the lock plate group can hold the outer diameter of the steel bar tightly, when the steel bar is pulled outwards, the pawl of the inner hole of the lock plate group can clamp the rib on the outer surface of the steel bar, and as the lock plate group is matched with the cylinder by the conical surface, the larger the outward pulling force of the steel bar is, the larger the holding force of the lock plate group is, and the steel bar can be firmly clamped. The converter is arranged at the other end of the cylinder, the inner hole of the converter is provided with threads, the external threads can be prefabricated at the end part of the steel bar to be connected with the converter, one end of the converter is connected with the converter through the threads, the other end of the converter is tightly held and fixed through the locking plate, the operation process is convenient and fast, the connection between the pile head rib and the steel bar can be realized rapidly, and the connection performance is stable and reliable and can not fall off. The technical scheme can also be used for connecting common reducing steel bars.
Description of the drawings:
FIG. 1 is an exploded pictorial view of the connector of the present utility model;
FIG. 2 is a schematic cross-sectional view of the connector of the present utility model;
FIG. 3 is a schematic cross-sectional view of the barrel of the present utility model.
Detailed Description
The utility model provides a variable diameter reinforcing bar and pile head muscle connector is equipped with the barrel to the sleeve body, is equipped with the locking plate group in the barrel, and locking plate group terminal surface is supported and is leaned on the spring, provides pretightning force through the spring, finally through locking plate group and barrel conical surface cooperation chucking reinforcing bar, and the pawl is established to locking plate group hole, guarantees the clamping effect, and the converter is established to the barrel other end, and the converter passes through screw thread and the prefabricated threaded connection of reinforcing bar tip. According to the technical scheme, the connection between the pile head ribs and the steel bars with different diameters can be realized quickly, and the connection relation is stable, reliable and free from falling.
The present embodiment will be further described with reference to the accompanying drawings
As can be seen from fig. 1 to 3, the utility model comprises a cylinder 1, wherein an inner hole of the cylinder 1 is provided with a conical section 101 and a threaded section 102, and the conical section 101 is a conical surface;
the inner hole of the cylinder body 1 is provided with a locking plate group 3, the locking plate group 3 consists of at least two locking plate circumferential arrays, and the outer cylindrical surface of the locking plate group is a conical surface and is attached to the conical section;
the end face of the locking plate group 3 is abutted against the spring 4, and the other end of the spring 3 is abutted against the converter 6;
the converter 6 is provided with external threads 601, and is matched with the thread segments 102 through the external threads 601;
the converter 6 is provided with an internal thread 602, and is in threaded connection with the end of the steel bar through the internal thread 602. In this embodiment, the one end of the reducing steel bar connecting sleeve is tightly clamped with the steel bar through the lock plate group 3, the other end is connected with the prefabricated thread of the steel bar through the internal thread 602 of the converter 6, wherein the lock plate group 3 is provided with at least two lock plates, and can also be three or more, the inner hole of the lock plate group 3 is provided with the pawl 301 for clamping the steel bar, when the steel bar is inserted into the lock plate group 3, one surface of the pawl 301 facing the steel bar is a conical surface, which is helpful for inserting the steel bar, when the steel bar is pulled outwards, the pawl 301 forms a barrier to the steel bar, especially can form clamping stagnation with the rib on the outer surface of the steel bar, along with the increase of the force of pulling outwards, the lock plate group 3 can synchronously move along with the steel bar to the small diameter end of the conical section 101 of the cylinder body 1, because the lock plate group 3 is composed of a plurality of lock plates, when the steel bar is inserted into the lock plate group 3, a certain gap is reserved between two adjacent lock plates, along with the gradual decrease of the gap between the lock plate group 3 to the small diameter end of the conical section 101, the cylinder body 1 gradually increases through the locking force provided by the conical surface facing the lock plate group 3, the pawl 301 gradually, the pawl 301 can be pressed out, and the recess can also be clamped into the recess, thereby realizing stable connection.
The end of the converter 6 is abutted against the spring presser 5, and the spring presser 5 is abutted against one end of the spring 4.
In this embodiment, a spring presser 5 is added between the transducer 6 and the spring. The spring compactor 5 is a gasket or a plug; the outer cylindrical surface of the plug is provided with threads which are matched with the thread sections of the cylinder body. The spring presser 5 is mainly used for pressing the spring, so that the spring generates compression deformation, and a certain precompression is provided for the locking plate group.
One end of the converter 6 is provided with a boss 603 for a wrench clamping position during screwing, and the boss 603 can be of a round outline or of other geometric shapes, such as a hexagon and the like.
The small diameter end of the conical section 101 of the cylinder body 1 is provided with the annular table 103, and the annular table 103 can prevent the locking plate from falling off due to overlarge outward hand pulling force of the steel bar or the taper machining error of the conical surface, so that the clamping stagnation effect is further ensured. The outer end of the annular table 103 is provided with a chamfer 104, and the chamfer 104 is convenient for inserting the reinforcing steel bars.
The outer circle of the lock plate group 3 is provided with an annular groove 302, the annular groove 302 is internally provided with a lock plate group inner ring 2, the lock plate group inner ring 2 is preferably a rubber ring or other soft material rings with elasticity, and because the lock plate group 3 is formed by adopting a plurality of lock plate circumferential arrays, when the lock plate group is assembled, the lock plates are easy to disorder, so that the assembly is failed, the annular groove 302 is internally provided with the lock plate group inner ring 2, and the relative position between the lock plates can be ensured when the lock plate group is assembled.
Claims (7)
1. The diameter-variable steel bar and pile head bar connector is characterized by comprising a cylinder, wherein a conical section and a threaded section are arranged in an inner hole of the cylinder, and the conical section is a conical surface;
the inner hole of the cylinder body is provided with a locking plate group, the locking plate group consists of at least two locking plate circumferential arrays, and the outer cylindrical surface of the locking plate group is a conical surface and is attached to the conical section;
the end face of the locking plate group is abutted against the spring, and the other end of the spring is abutted against the converter;
the converter is provided with external threads, and the external threads are matched with the thread sections;
the converter is provided with internal threads, and is in threaded connection with the end part of the steel bar through the internal threads.
2. A variable diameter rebar and pile head tendon connector according to claim 1, in which the transducer end abuts a spring compressor which abuts one end of the spring.
3. A variable diameter rebar and pile head rebar connector according to claim 2 wherein the spring retainer is a washer or plug;
the outer cylindrical surface of the plug is provided with threads which are matched with the thread sections of the cylinder body.
4. A variable diameter rebar and pile head rebar connector according to claim 1 or claim 2 wherein one end of the transducer is provided with a boss.
5. The variable diameter steel bar and pile head bar connector according to claim 1, wherein the small diameter end of the conical section of the cylinder is provided with an annular table, and the outer end of the annular table is provided with a chamfer.
6. The variable diameter steel bar and pile head bar connector as recited in claim 1, wherein said locking plate set inner hole is provided with a pawl for clamping the steel bar.
7. A variable diameter steel bar and pile head bar connector as claimed in claim 1 or 6, wherein the outer circle of the locking plate group is provided with an annular groove, and the annular groove is internally provided with a locking plate group inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320824683.7U CN219386883U (en) | 2023-04-14 | 2023-04-14 | Variable-diameter steel bar and pile head steel bar connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320824683.7U CN219386883U (en) | 2023-04-14 | 2023-04-14 | Variable-diameter steel bar and pile head steel bar connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219386883U true CN219386883U (en) | 2023-07-21 |
Family
ID=87171184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320824683.7U Active CN219386883U (en) | 2023-04-14 | 2023-04-14 | Variable-diameter steel bar and pile head steel bar connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219386883U (en) |
-
2023
- 2023-04-14 CN CN202320824683.7U patent/CN219386883U/en active Active
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