CN215760029U - Large-diameter steel bar connecting device and connecting structure thereof - Google Patents
Large-diameter steel bar connecting device and connecting structure thereof Download PDFInfo
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- CN215760029U CN215760029U CN202121816751.2U CN202121816751U CN215760029U CN 215760029 U CN215760029 U CN 215760029U CN 202121816751 U CN202121816751 U CN 202121816751U CN 215760029 U CN215760029 U CN 215760029U
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Abstract
The utility model relates to a large-diameter steel bar connecting device and a connecting structure thereof, wherein the large-diameter steel bar connecting device comprises a steel sleeve, locking anchor seats and clamping pieces, internal threads are turned at two ends of the steel sleeve, an annular rib is arranged in the middle of the inside of the steel sleeve, jacking pipes extending out of the end part of the steel sleeve are arranged at the left end and the right end of the annular rib, the two locking anchor seats are symmetrically and threadedly mounted at two ends of the steel sleeve, a conical cavity is arranged in the locking anchor, a first through hole is arranged at one end, close to the steel sleeve, of the conical cavity, a second through hole is arranged at one end, far away from the steel sleeve, the aperture of the first through hole is larger than that of the second through hole, and 2 clamping pieces are respectively arranged in the conical cavities in the two locking anchor seats. The connecting device designed by the utility model is novel in structure, the two steel bars are connected through the connecting device by utilizing the anchoring principle, the connecting structure is reliable, the steel bars are not damaged, and the connecting device is suitable for popularization and use.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a large-diameter steel bar connecting device and a connecting structure thereof.
Background
The steel bar connecting sleeve is used for connecting two steel bars together in a threaded or radial segmented extrusion connection mode, has the advantages of simplicity and rapidness in operation, raw material saving, stable quality, no limitation of steel bar components and the like, and is widely applied to domestic and foreign building engineering.
However, the current steel bar connecting sleeve connection has the following defects:
firstly, in the process of connecting the reinforcing steel bars by adopting an extrusion mode, the reinforcing steel bar connecting sleeve can only be extruded and deformed in one vertical opposite direction, namely: the reinforcing steel bar connecting sleeve can only be flattened, and the inner wall of the reinforcing steel bar connecting sleeve can only be in contact with and pressed against two opposite surfaces of the reinforcing steel bar, so that the bonding strength of the reinforcing steel bar connecting sleeve and the reinforcing steel bar is greatly reduced, and the reinforcing steel bar connecting sleeve can be disengaged when being subjected to large tensile force and strong impact;
secondly, in the process that two reinforcing bars are connected with the middle reinforcing bar connecting sleeve through threads, the two reinforcing bars need to eliminate ribs on the surfaces, and then thread processing is carried out, so that the diameter of the reinforcing bars is reduced, the tensile strength and the impact strength are reduced, and the reinforcing bars are easy to break when being subjected to large tensile force and strong impact.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems in the prior art. Therefore, the utility model provides the large-diameter steel bar connecting device with reliable connection and good connection strength and the connecting structure thereof.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a major diameter steel bar connection device, includes steel bushing, locking anchor seat and clamping piece, the internal thread has been turned at the both ends of steel bushing, middle part in the steel bushing is equipped with annular muscle, the left and right both ends of annular muscle are equipped with and extend the push pipe of steel bushing tip, two locking anchor seat screw thread mounting is in symmetrically the both ends of steel bushing, be equipped with the toper chamber in the locking anchor tackle, the toper chamber is close to the one end of steel bushing is equipped with first through-hole, keeps away from the one end of steel bushing is equipped with the second through-hole, the aperture of first through-hole is greater than the aperture of second through-hole, 2 two are located respectively to the clamping piece in the toper intracavity in the locking anchor seat.
In a preferred embodiment of the large-diameter steel bar connecting device provided by the utility model, the aperture of the second through hole is matched with the connecting steel bar, and the aperture of the first through hole is larger than the outer diameter of the top pipe.
In a preferred embodiment of the large-diameter steel bar connecting device provided by the utility model, the clamping piece is a cone formed by splicing 2-4 single pieces.
In a preferred embodiment of the large-diameter steel bar connecting device provided by the utility model, the inner diameter of the top pipe is larger than the diameter of the connecting steel bar, and the outer diameter of the top pipe is smaller than the maximum outer diameter of the clamping piece.
In a preferred embodiment of the large-diameter steel bar connecting device provided by the utility model, the locking anchors at the two ends of the steel sleeve are in threaded connection with the steel sleeve by adopting opposite threads.
In a preferred embodiment of the large-diameter steel bar connecting device provided by the utility model, the middle part of the steel sleeve is further provided with a grouting hole which penetrates through the annular rib and is communicated with the jacking pipe.
The utility model also provides a connecting structure adopting the large-diameter steel bar connecting device in the embodiment, two connecting steel bars respectively penetrate through the locking anchor seats at two ends of the steel sleeve, and the locking anchor seats are screwed to enable the jacking pipe to drive the clamping pieces to clamp the steel bars.
Further, after clamping, the adhesive can be injected through the injection hole.
Compared with the prior art, the large-diameter steel bar connecting device and the connecting structure thereof provided by the utility model have the beneficial effects that:
the connecting device is novel in structure, two steel bars are connected through the connecting device by using the anchoring principle, the connecting structure is reliable, the steel bars are not damaged, and the connecting device is suitable for popularization and use;
and secondly, after the two steel bars are connected through the connecting device, the two steel bars can be cured by adopting adhesives such as cement mortar and the like, so that the reliability of the connecting structure is further enhanced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic view of a connection structure of two reinforcing bars and a large-diameter reinforcing bar connection device according to the present invention;
fig. 2 is a side view of the large-diameter reinforcing bar coupler provided in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
The embodiment provides a large-diameter steel bar connecting device, as shown in fig. 1, which includes a steel jacket 10, two locking anchors 20 and clips 30, wherein internal threads are turned at two ends of the steel jacket 10, the two locking anchors 20 are symmetrically installed at two ends of the steel jacket 10 through threads, a tapered cavity is arranged in the locking anchor 20 for placing the clips 30, 2 clips 30 are respectively arranged in tapered cavities 202 in the two locking anchors 20, specifically, the clips 30 are tapered bodies formed by splicing 2 to 4 single pieces, one end of the tapered cavity 202, which is close to the steel jacket 10, is provided with a first through hole 203, one end, which is far away from the steel jacket 10, is provided with a second through hole 201, specifically, the aperture of the second through hole 201 in the embodiment is matched with a connecting steel bar 40, and the aperture of the second through hole 201 is usually larger than the outer diameter of the connecting steel bar 40, so that the connecting steel bar can smoothly pass through the locking anchors 20, the first through hole 203 is arranged at the large end of the conical cavity 202, the annular rib 100 is arranged in the middle of the steel sleeve 10, the top pipe 102 extending out of the end of the steel sleeve 10 is arranged at the left end and the right end of the annular rib 100, when the locking anchor block is screwed, the steel bar is clamped through the top pipe driving clamping piece, the aperture of the first through hole 203 is larger than the outer diameter of the top pipe 102, and therefore the locking anchor block does not affect the entering of the top pipe.
Preferably, the inner diameter of the top pipe 102 of this embodiment is larger than the diameter of the connecting steel bar 40, so as to ensure that the connecting steel bar can extend out of the clamping piece by a certain length, and the outer diameter of the top pipe 102 is smaller than the maximum outer diameter of the clamping piece 30, so as to ensure that the top pipe can normally contact the large end of the clamping piece.
Preferably, the locking anchor base 20 of the present embodiment is provided with a hexagonal structure at the outer side, as shown in fig. 2, which facilitates the operation with a tool such as a wrench.
In this embodiment, when the steel bar connecting device is used to connect steel bars, as shown in fig. 1, two connecting steel bars respectively pass through the locking anchors at the two ends of the steel sleeve, and the top pipe drives the clamping piece to clamp the steel bars by screwing the locking anchors.
Example two
On the basis of the first embodiment, in the present embodiment, the locking anchor bases 20 at the two ends of the steel sleeve 10 are in threaded connection with the steel sleeve by using opposite threads, and when the steel bars are connected, the steel bars are screwed in different directions by using a wrench, so that the operation is convenient.
EXAMPLE III
On the basis of the first embodiment or the second embodiment, in this embodiment, the middle of the steel jacket 10 is further provided with a grouting hole 104 which penetrates through the annular rib 100 and is communicated with the jacking pipe, and after the two steel bars are connected by the connecting device, the two steel bars can be cured by using adhesives such as cement mortar and the like, so that the reliability of the connecting structure is further enhanced.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a major diameter rebar connecting device, includes the steel bushing, its characterized in that: the locking anchor block comprises a steel sleeve and is characterized by further comprising a locking anchor seat and clamping pieces, wherein internal threads are lathed at two ends of the steel sleeve, annular ribs are arranged in the middle of the steel sleeve, the left end and the right end of each annular rib are provided with a jacking pipe extending out of the end part of the steel sleeve, the locking anchor seat is symmetrically and threadedly installed at two ends of the steel sleeve, a conical cavity is arranged in the locking anchor device, the conical cavity is close to one end of the steel sleeve and is provided with a first through hole, the end of the steel sleeve is far away from the second through hole, the aperture of the first through hole is larger than that of the second through hole, and the clamping pieces are respectively arranged in the conical cavities in the locking anchor seat.
2. The large-diameter reinforcing bar connecting device according to claim 1, wherein: the aperture of the second through hole is matched with the connecting steel bar, and the aperture of the first through hole is larger than the outer diameter of the jacking pipe.
3. The large-diameter reinforcing bar connecting device according to claim 2, wherein: the clamping piece is a conical body formed by splicing 2-4 single pieces.
4. The large-diameter reinforcing bar connecting device according to claim 3, wherein: the inner diameter of the top pipe is larger than the diameter of the connecting reinforcing steel bar, and the outer diameter of the top pipe is smaller than the maximum outer diameter of the clamping piece.
5. The large-diameter reinforcing bar connecting device according to claim 1, wherein: the locking anchor seats at the two ends of the steel sleeve are in threaded connection with the steel sleeve through opposite threads.
6. The large-diameter reinforcing bar connecting device according to claim 1, wherein: and the middle part of the steel sleeve is also provided with a grouting hole which penetrates through the annular rib and is communicated with the jacking pipe.
7. The utility model provides a major diameter steel bar connection structure which characterized in that: the large-diameter steel bar connecting device comprises the large-diameter steel bar connecting device as claimed in any one of claims 1 to 5, wherein two connecting steel bars respectively pass through locking anchors at two ends of the steel sleeve, and the top pipe driving clamping piece clamps the steel bars by screwing the locking anchors.
8. The utility model provides a major diameter steel bar connection structure which characterized in that: the large-diameter steel bar connecting device of claim 6, wherein two connecting steel bars respectively pass through the locking anchor seats at both ends of the steel sleeve, the locking anchor seats are screwed to enable the top pipe driving clamping pieces to clamp the steel bars, and after clamping, adhesive is injected from the grouting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121816751.2U CN215760029U (en) | 2021-08-05 | 2021-08-05 | Large-diameter steel bar connecting device and connecting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121816751.2U CN215760029U (en) | 2021-08-05 | 2021-08-05 | Large-diameter steel bar connecting device and connecting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215760029U true CN215760029U (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121816751.2U Active CN215760029U (en) | 2021-08-05 | 2021-08-05 | Large-diameter steel bar connecting device and connecting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215760029U (en) |
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2021
- 2021-08-05 CN CN202121816751.2U patent/CN215760029U/en active Active
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