CN215563875U - Outer sleeve lock nut fastening type radial shaft bidirectional adjustable steel bar connecting joint - Google Patents
Outer sleeve lock nut fastening type radial shaft bidirectional adjustable steel bar connecting joint Download PDFInfo
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- CN215563875U CN215563875U CN202122083210.XU CN202122083210U CN215563875U CN 215563875 U CN215563875 U CN 215563875U CN 202122083210 U CN202122083210 U CN 202122083210U CN 215563875 U CN215563875 U CN 215563875U
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Abstract
The utility model discloses an outer sleeve nut locking fastening type radial shaft bidirectional adjustable steel bar connecting joint which comprises a first inner sleeve, a second inner sleeve, a locking nut and an outer sleeve, wherein the first inner sleeve is in threaded connection with the connecting end of a first steel bar, and the second inner sleeve is in threaded connection with the connecting end of a second steel bar; one end of the outer sleeve is in threaded connection with the first inner sleeve, the other end of the outer sleeve is in threaded connection with the second inner sleeve, and the locking nut is tightly fastened at the tail end of the outer sleeve; the head end of the first inner sleeve is processed with a guide external conical surface or a guide head, and the head end of the second inner sleeve is processed with a guide internal conical surface which is matched and sleeved with the guide external conical surface or the guide head. The utility model provides a steel bar connection connects under the two-way adjustable prerequisite of footpath axle, the both ends of outer sleeve respectively with first inner skleeve and second inner skleeve threaded connection to it is tight through the lock mother at the end, avoided becoming flexible, be favorable to improving the reliability of connecting.
Description
Technical Field
The utility model relates to the technical field of steel bar connection, in particular to an outer sleeve locking nut fastening type radial shaft bidirectional adjustable steel bar connection joint.
Background
The steel bar is one of main materials used in building engineering, wherein, the mechanical connection of the steel bar is a connection method for transmitting the force in one steel bar to another steel bar through the mechanical meshing action of the steel bar and a connecting piece or other intervening materials or the pressure bearing action of the end face of the steel bar, and the method is widely applied to the connection of two steel bars with external threads processed at butt ends, and a common mode is as follows: connecting inner sleeves at the butt joint ends of two steel bars to be connected through threads, and connecting the two inner sleeves together in a threaded connection mode through an outer sleeve; usually, for the axial adjustability when satisfying two reinforcing bar connections, so that adapt to the connection demand of different axial deviation (interval) reinforcing bar, one of them inner skleeve acts as the axial positioning sleeve, it is unable axial adjustment after the butt joint end screw thread fixed connection with corresponding reinforcing bar, another inner skleeve acts as the axial adjustment sleeve, its self axial dimension and the axial dimension of the external screw thread that corresponds the connecting bar are all great, can adjust the axial adjustment sleeve as required and stretch out its axial dimension that corresponds the connecting bar, with its and axial positioning sleeve adaptability top tightly, again through the lock nut and tight axial adjustment sleeve's non-top tight end, with this connection demand that adapts to different axial deviation (interval) reinforcing bar.
In the steel bar connection process, except axial deviation, still can arouse the inconvenient construction because of reinforcing bar radial deviation (because of two reinforcing bar disalignments lead to the deviation of reinforcing bar diameter direction), connect the difficult and connection quality problem that is difficult to guarantee, for solving this problem, prior art has carried out relevant research, chinese patent application No. 201521021063.1 discloses a novel steel bar connection sleeve, it has disclosed the technical scheme that adopts the radial deviation adjustment when spherical or conical direction head realizes the steel bar connection, this scheme has solved the construction inconvenience that leads to because of reinforcing bar radial deviation to a certain extent, connect the difficult and connection quality problem that is difficult to guarantee, still have following drawback: after the outer sleeve is screwed down, the outer sleeve is easy to reversely rotate and loosen, so that the reliability of connection is influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides an outer sleeve locking nut fastening type radial shaft bidirectional adjustable steel bar connection joint, so as to satisfy the requirement of axial and radial bidirectional adjustment during steel bar connection, and simultaneously improve the connection reliability.
The utility model solves the problems through the following technical means:
an outer sleeve locking nut fastening type radial shaft bidirectional adjustable steel bar connecting joint comprises a first inner sleeve, a second inner sleeve, a locking nut and an outer sleeve, wherein the first inner sleeve is in threaded connection with a connecting end of a first steel bar, and the second inner sleeve is in threaded connection with a connecting end of a second steel bar; one end of the outer sleeve is in threaded connection with the first inner sleeve, the other end of the outer sleeve is in threaded connection with the second inner sleeve, and the locking nut is tightly fastened at the tail end of the outer sleeve; the head end of the first inner sleeve is processed with a guide external conical surface or a guide head, and the head end of the second inner sleeve is processed with a guide internal conical surface which is matched and sleeved with the guide external conical surface or the guide head.
Further, the tail end of the first inner sleeve is integrally provided with a wrench connector.
Further, the lock nut is sleeved outside the second inner sleeve and is in threaded connection with the second inner sleeve.
Furthermore, the included angles between the generatrix of the guide outer conical surface and the guide inner conical surface and the axis are not higher than 45 degrees.
Further, the wrench connector is circular or polygonal.
Further, the outer sleeve is circular or polygonal.
The utility model has the beneficial effects that: the outer sleeve locking nut fastening type radial shaft bidirectional adjustable steel bar connecting joint comprises a first inner sleeve, a second inner sleeve, a locking nut and an outer sleeve, wherein the first inner sleeve is in threaded connection with a connecting end of a first steel bar, and the second inner sleeve is in threaded connection with a connecting end of a second steel bar; one end of the outer sleeve is in threaded connection with the first inner sleeve, the other end of the outer sleeve is in threaded connection with the second inner sleeve, and the locking nut is tightly fastened at the tail end of the outer sleeve; the head end of the first inner sleeve is processed with a guide external conical surface or a guide head, and the head end of the second inner sleeve is processed with a guide internal conical surface which is matched and sleeved with the guide external conical surface or the guide head. The utility model provides a steel bar connection connects under the two-way adjustable prerequisite of footpath axle, the both ends of outer sleeve respectively with first inner skleeve and second inner skleeve threaded connection to it is tight through the lock mother at the end, avoided becoming flexible, be favorable to improving the reliability of connecting.
The utility model provides a steel bar connection connects under the axial adjustable prerequisite, adopts the mode that the conical surface agrees with between first inner skleeve and the second inner skleeve, not only plays radial regulation effect in the work progress, compares the tight mode in perpendicular top moreover, and the holistic shearing of connection position and bending resistance are better to mechanical properties has been improved. In addition, compared with the form that the end part of the inner sleeve is provided with the solid guide head, the processing is simpler, the cost is lower, and the inner sleeve can be integrally processed into a through hole type structure, so that the processing error of the thread length can be more conveniently digested when all components are connected.
Drawings
The utility model is further described below with reference to the figures and examples.
FIG. 1 is a schematic illustration of a preferred embodiment of the present invention prior to attachment;
FIG. 2 is a schematic illustration of the preferred embodiment of the present invention after joining;
FIG. 3 is another schematic illustration of the preferred embodiment of the present invention after attachment;
fig. 4 is a schematic structural view of a guide head.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-4, the embodiment provides an outer sleeve locking nut fastening type radial-axial bidirectional adjustable steel bar connection joint, which includes a first inner sleeve 3, a second inner sleeve 4, a locking nut 7 and an outer sleeve 6, wherein the first inner sleeve 3 is in threaded connection with a connection end of a first steel bar 1, and the second inner sleeve 4 is in threaded connection with a connection end of a second steel bar 5.
One end of the outer sleeve 6 is in threaded connection with the first inner sleeve 3, and the other end is in threaded connection with the second inner sleeve 4. The first inner sleeve 3 serves as an axial positioning sleeve, cannot be axially adjusted after being fixedly connected with the connecting end of the first steel bar 1 through threads, and is relatively short in external thread; the second inner sleeve 4 acts as an axial adjusting sleeve, the axial size of the second inner sleeve and the axial size of the external thread of the second steel bar are large, the axial size of the second inner sleeve extending out of the second steel bar can be adjusted as required, and the second inner sleeve and the first inner sleeve are tightly propped in an adaptive mode, so that the connecting requirements of different axial deviation (distance) steel bars are met.
The terminal an organic whole of first inner skleeve 3 is provided with spanner connector 2, the head end and the spanner connector of outer skleeve 6 support tightly, and the end is locked through lock nut 7, lock nut 7 cup joints in second inner skleeve 4 outside and with second inner skleeve threaded connection. By adopting the assembly form, the looseness of the outer sleeve is avoided, and the connection reliability is improved.
The head end of the first inner sleeve 3 is provided with a guide external conical surface 301 or a guide head 8, and the head end of the second inner sleeve 4 is provided with a guide internal conical surface 401 which is matched and sleeved with the guide external conical surface or the guide head; in the connection process, the radial deviation in the steel bar construction can be gradually adjusted through the universal contact of the guide head or the conical surface, and the conical surface universal contact mode is preferably adopted. The mode that the conical surface is fit is adopted between first inner skleeve 3 and the second inner skleeve 4, not only plays radial regulation effect in the work progress, compares the mode that the perpendicular top is tight moreover, and the holistic shearing and bending resistance of joint part is better to mechanical properties has been improved. In addition, compared with the form that the end part of the inner sleeve is provided with the solid guide head, the processing is simpler, the cost is lower, and the inner sleeve can be integrally processed into a through hole type structure, so that the processing error of the thread length can be more conveniently digested when all components are connected.
The included angles between the generatrix of the guide outer conical surface 301 and the guide inner conical surface 401 and the axis are not higher than 45 degrees. The wrench connector is circular or polygonal; the outer sleeve is also circular or polygonal.
The specific connection process is as follows:
1) respectively processing a standard-length external thread and an extended-length external thread on the connecting ends of a first steel bar and a second steel bar to be connected;
2) preassembling a first inner sleeve at the connecting end of the first steel bar; preassembling a locking nut, an outer sleeve and a second inner sleeve at the connecting end of a second steel bar, wherein the first inner sleeve is in threaded connection with the connecting end of the first steel bar, and the second inner sleeve is in threaded connection with the connecting end of the second steel bar;
3) rotating the second inner sleeve according to the axial deviation (distance) of the two reinforcing steel bars to enable the guiding inner conical surface at the head end of the second inner sleeve to be tightly matched with the guiding outer conical surface or the guiding head at the head end of the first inner sleeve;
4) and gradually screwing the head end of the outer sleeve into the first inner sleeve until the first inner sleeve abuts against the wrench connector, finally tightly locking the nut at the tail end of the outer sleeve, and locking the outer sleeve to realize the mechanical connection of the two steel bars.
Fig. 2 and 3 are schematic views after assembly is completed, wherein fig. 2 is a schematic view of an axial gap existing between two reinforcing bars, and fig. 3 is a schematic view of no axial gap existing between two reinforcing bars.
It should be noted that, in the description of the present application, it is to be understood that the terms "head end", "tail end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the building referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. An outer sleeve locking nut fastening type radial shaft bidirectional adjustable steel bar connecting joint comprises a first inner sleeve (3), a second inner sleeve (4), a locking nut (7) and an outer sleeve (6), wherein the first inner sleeve is in threaded connection with a connecting end of a first steel bar (1), and the second inner sleeve (4) is in threaded connection with a connecting end of a second steel bar (5); the method is characterized in that: one end of the outer sleeve (6) is in threaded connection with the first inner sleeve (3), the other end of the outer sleeve is in threaded connection with the second inner sleeve (4), and the locking nut is tightly fastened at the tail end of the outer sleeve; the head end of the first inner sleeve is processed with a guide outer conical surface (301) or a guide head (8), and the head end of the second inner sleeve is processed with a guide inner conical surface (401) which is matched and sleeved with the guide outer conical surface or the guide head.
2. The outer sleeve locking nut fastening type diametral axis bidirectional adjustable rebar junction according to claim 1, characterized in that: the tail end of the first inner sleeve is integrally provided with a wrench connector (2).
3. The outer sleeve locking nut fastening type diametral axis bidirectional adjustable rebar junction according to claim 2, characterized in that: the lock nut (7) is sleeved outside the second inner sleeve (4) and is in threaded connection with the second inner sleeve.
4. The outer sleeve lock nut fastening type diametral axis bidirectional adjustable rebar junction according to claim 3, characterized in that: the included angle between the generatrix of the guide outer conical surface (301) and the guide inner conical surface (401) and the axis is not higher than 45 degrees.
5. The outer sleeve locking nut fastening type diametral axis bidirectional adjustable rebar junction according to claim 4, characterized in that: the wrench connector (2) is circular or polygonal.
6. The external sleeve locking nut fastening type radial-axial bidirectional adjustable steel bar connecting joint according to any one of claims 1 to 5, characterized in that: the outer sleeve (6) is circular or polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122083210.XU CN215563875U (en) | 2021-08-31 | 2021-08-31 | Outer sleeve lock nut fastening type radial shaft bidirectional adjustable steel bar connecting joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122083210.XU CN215563875U (en) | 2021-08-31 | 2021-08-31 | Outer sleeve lock nut fastening type radial shaft bidirectional adjustable steel bar connecting joint |
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| Publication Number | Publication Date |
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| CN215563875U true CN215563875U (en) | 2022-01-18 |
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| CN202122083210.XU Active CN215563875U (en) | 2021-08-31 | 2021-08-31 | Outer sleeve lock nut fastening type radial shaft bidirectional adjustable steel bar connecting joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635511A (en) * | 2022-04-18 | 2022-06-17 | 重庆道同建材有限公司 | Prefabricated module connecting process of prefabricated building |
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2021
- 2021-08-31 CN CN202122083210.XU patent/CN215563875U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635511A (en) * | 2022-04-18 | 2022-06-17 | 重庆道同建材有限公司 | Prefabricated module connecting process of prefabricated building |
| CN114635511B (en) * | 2022-04-18 | 2023-09-22 | 重庆道同建材有限公司 | Prefabricated module connecting process of assembled building |
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