CN212534825U - Steel bar sleeve joint - Google Patents
Steel bar sleeve joint Download PDFInfo
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- CN212534825U CN212534825U CN202022287192.2U CN202022287192U CN212534825U CN 212534825 U CN212534825 U CN 212534825U CN 202022287192 U CN202022287192 U CN 202022287192U CN 212534825 U CN212534825 U CN 212534825U
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- sleeve
- connecting sleeve
- steel bar
- reinforcing
- coupling
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Abstract
The present disclosure provides a steel bar muffjoint, including: the first connecting sleeve is connected to the end part of the first steel bar in a threaded mode, and the second connecting sleeve is connected to the end part of the second steel bar in a threaded mode; the first connecting sleeve and the second connecting sleeve are respectively provided with external threads on at least one part of the outer wall; the inner wall of the outer sleeve is provided with internal threads, and the outer sleeve is screwed on the external threads of the first connecting sleeve and the second connecting sleeve, so that the first connecting sleeve and the second connecting sleeve form fixed connection; and a guide head is arranged at the end part of the first connecting sleeve close to the second connecting sleeve, and the guide head is inserted into the through hole of the second connecting sleeve. According to the steel bar sleeve joint, the steel bar is seamless after being connected with the sleeve joint, and the fault-tolerant capability is strong.
Description
Technical Field
The utility model relates to an assembly type structure field especially relates to a steel bar muffjoint.
Background
At present indulge muscle and shaping steel reinforcement framework's the muscle connection of indulging in the precast concrete component in the assembly type building engineering field prefabricated concrete component the assembled steel bar connection technique that can be promoted does not appear ripe yet, and traditional straight thread sleeve joint of reinforcing bar is just can be with steel bar connection owing to need rotate the reinforcing bar, and the rib connection of indulging of muscle and shaping steel reinforcement framework is indulged to unsuitable prefabricated component, and cold extrusion sleeve joint is difficult to control owing to the width and the degree of depth of field operation extrusion indentation, leads to the steel bar connection quality to leave hidden danger.
SUMMERY OF THE UTILITY MODEL
Based on the current state analysis, the invention discloses an assembled novel steel bar sleeve joint and a construction method thereof, which can solve the problems of connection of longitudinal bars in a precast concrete member and longitudinal bars of a formed steel bar framework and the like.
In order to solve at least one of the above technical problems, the present disclosure provides a steel sleeve joint and a construction method thereof.
According to one aspect of the present disclosure, a reinforcing bar sleeve joint, comprises: an outer sleeve, a first connecting sleeve and a second connecting sleeve,
the first connecting sleeve is in threaded connection with the end part of the first steel bar, and the second connecting sleeve is in threaded connection with the end part of the second steel bar;
the first connecting sleeve and the second connecting sleeve are respectively provided with external threads on at least one part of the outer wall;
the inner wall of the outer sleeve is provided with internal threads, and the outer sleeve is screwed on the external threads of the first connecting sleeve and the second connecting sleeve, so that the first connecting sleeve and the second connecting sleeve form fixed connection; and
and a guide head is arranged at the end part of the first connecting sleeve close to the second connecting sleeve, and the guide head is inserted into the through hole of the second connecting sleeve.
According to at least one embodiment of the present disclosure, further comprising a check nut,
the non-return nut is provided with internal threads which are in threaded connection with the end part of the second steel bar and are abutted against the second connecting sleeve.
According to at least one embodiment of the present disclosure, the outer wall cross-section of the check nut is hexagonal to decagonal.
According to at least one embodiment of the present disclosure, the mantle wires of the first and second reinforcement ends are positive and negative wires, respectively.
According to at least one embodiment of the present disclosure, the guide head is semicircular in cross-section.
According to at least one embodiment of the present disclosure, the outer walls of the first and second connection sleeves do not include a portion having an external thread, and the cross-sectional shape thereof is decagonal or dodecagonal.
According to at least one embodiment of the present disclosure, the outer sleeve outer wall cross-sectional shape is decagonal or dodecagonal.
According to at least one embodiment of the present disclosure, the first connecting sleeve has a cross section without an external thread portion having a circumscribed circular diameter no greater than the minor diameter of the external thread of the first connecting sleeve.
According to at least one embodiment of the present disclosure, the diameter of the circumscribed circle of the cross-section of the portion of the second coupling sleeve not containing the external thread is not smaller than the minor diameter of the external thread of the second coupling sleeve.
According to at least one embodiment of the present disclosure, the outer sleeve is screwed on the external threads of the first connection sleeve and the second connection sleeve, and the exposed part of the external threads is not more than 2 screw threads.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a schematic view of a reinforcing bar muff coupling structure according to an embodiment of the present disclosure.
Fig. 2 is a sectional view of the reinforcing bar socket joint according to fig. 1.
Fig. 3 is a schematic view of an end threading segment of a rebar to be connected according to an embodiment of the present disclosure.
FIG. 4 is a schematic view of a temporary penetration outer sleeve and a check nut according to an embodiment of the present disclosure.
Fig. 5 is a schematic view of securing a first coupling sleeve and a second coupling sleeve to ends of rebar to be coupled according to an embodiment of the present disclosure.
FIG. 6 is a schematic view of a first coupling sleeve and a second coupling sleeve being aligned according to an embodiment of the present disclosure.
Fig. 7 is a schematic view of the tightening of an outer sleeve according to an embodiment of the present disclosure.
Reference numerals: 1-an outer sleeve; 2-non-return nut, 3-first connecting sleeve; 4-a second connecting sleeve; 51-a first rebar; 52-second rebar; 61-a first mantle fiber; 61-second mantle fiber.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Aiming at the defects of the existing steel bar connecting technology in the assembly type building, the invention discloses a novel steel bar sleeve joint connecting technology and a construction method, wherein the steel bar sleeve joint is safe and reliable, is efficiently connected, has strong fault-tolerant capability, has no gap after the steel bar is connected with the sleeve joint, and can effectively promote the position of the steel bar joint and the reinforcing bond stress of post-cast concrete.
According to a first embodiment of the present disclosure, there is provided an assembly type steel bar sleeve joint, as shown in fig. 1 to 2, fig. 1 is a schematic view of a steel bar sleeve joint connection structure according to an embodiment of the present disclosure, and fig. 2 is a schematic view of a sectional structure of a steel bar sleeve joint according to fig. 1, the steel bar sleeve joint including an outer sleeve 1, a first connection sleeve 3, a second connection sleeve 4, and optionally, a check nut 2. At the reinforcing bar of waiting to connect, the tip of first reinforcing bar 51 sets up first mantle fiber 61, the tip of second reinforcing bar 52 sets up second mantle fiber 62, the external screw thread has on the mantle fiber section, the mantle fiber of two reinforcing bars (first mantle fiber 61, second mantle fiber 62) is positive and negative silk (the soon of external screw thread is opposite) respectively, the inner wall of first connecting sleeve 3 and second connecting sleeve 4 has the internal thread, 3 spiro unions of first connecting sleeve are to first reinforcing bar 51 tip, 4 spiro unions of second connecting sleeve are to second reinforcing bar 52 tip. At least one part of the outer walls of the first connecting sleeve 3 and the second connecting sleeve 4 is provided with an external thread, and the external thread is matched with the internal thread on the inner wall of the outer sleeve 1 to enable one section of the outer sleeve 1 to be in threaded connection with the outer side of the first connecting sleeve 3 and one section of the outer sleeve to be in threaded connection with the outer side of the second connecting sleeve 4, so that the first connecting sleeve 3 and the second connecting sleeve 4 are fixedly connected together, namely the first steel bar 51 and the second steel bar 52 form fixed connection. Alternatively, the outer walls of the first and second connecting sleeves 3, 4 are provided with an external thread in each case, to which the length of the internal thread of the outer sleeve 1 is adapted. The sleeve joint and the steel bar are seamless, and the steel bar is safer and more reliable.
Optionally, a guiding head is further disposed at the end of the first connection sleeve 3, and the guiding head is spherical, hemispherical, or has a shape with a semicircular cross section, and can be inserted into the through hole of the second connection sleeve 4 for guiding to align the axial center lines of the first connection sleeve 3 and the second connection sleeve 4, so that the fault tolerance of the sleeve joint is higher.
Reinforcing bar muffjoint still includes non return nut 2, and its inner wall is equipped with the internal thread, and non return nut 2 spiro union is on the second mantle fiber 62 of second reinforcing bar 52 and with second connecting sleeve 4 butt for the position or adjust the position of second connecting sleeve 4 on second mantle fiber 62, the outer wall cross-section of non return nut 2 is six, eight, decagon, makes the area of contact with the concrete increase, thereby the reinforcing is wrapped up in the power with the bond of concrete.
As shown in fig. 1, the outer walls of the first connecting sleeve 3 and the second connecting sleeve 4 do not have external thread portions, and the cross-sectional shapes thereof are decagonal and dodecagonal, so that the contact area with concrete is increased, and the bond strength with the concrete is enhanced.
As shown in fig. 1, the outer wall of the outer sleeve 1 has a cross-sectional shape of decagonal or dodecagonal, so that the contact area with concrete is increased, thereby enhancing the grip with concrete.
According to at least one embodiment of the present disclosure, the diameter of the circumscribed circle (when the partial cross-sectional shape without the external thread is ten, dodecagon) of the partial cross-section of the first connecting sleeve 3 is not larger than the small diameter of the external thread of the first connecting sleeve 3, so that the outer sleeve 1 can smoothly pass through the first connecting sleeve 3 without the external thread part, and optionally, the diameter of the circumscribed circle (when the partial cross-sectional shape without the external thread is ten, dodecagon) of the partial cross-section of the second connecting sleeve 4 is not smaller than the small diameter of the external thread of the second connecting sleeve 4, so that the outer sleeve 1 can be positioned.
According to at least one embodiment of the present disclosure, when the outer sleeve 1 is screwed on the external threads of the first connection sleeve 3 and the second connection sleeve 4, the exposed portions of the external threads of the first connection sleeve 3 and the second connection sleeve 4 are not more than 2 screw threads, so that the safety of the steel bar sleeve joint is increased, and the occurrence of brittle fracture is prevented.
When the steel bar sleeve joint is used, as shown in fig. 3 to 7, the end of a first steel bar 51 to be connected is processed into a first mantle fiber 61, the end of a second steel bar 52 to be connected is processed into a second mantle fiber 62, and mantle fiber sections of the two steel bars are respectively positive and negative (the thread directions are opposite); temporarily threading the outer sleeve 1 (to the non-threading section of the first rebar 51) and the non-return nut 2 (the non-return nut 2 is threaded onto the second threading 62 and adjacent to the non-threading section of the second rebar 52) along the threading sections at the ends of the two rebars, respectively, as shown in fig. 4; the first connecting sleeve 3 and the second connecting sleeve 4 are respectively screwed on the end parts of the two steel bars along the threading sections, so that the first connecting sleeve 3 is screwed on the first threading 61, and the second connecting sleeve 4 is screwed on the second threading 62 and is abutted against the non-return nut 2, as shown in fig. 5; aligning the two steel bars respectively to make the semicircular guide heads of the first connecting sleeve 3 enter the inside of the second connecting sleeve 4 so as to improve the concentricity of the first connecting sleeve 3 and the second connecting sleeve 4, as shown in fig. 6; the outer sleeve 1 is screwed down along the first coupling sleeve 3 and the second coupling sleeve 4 with no more than 2 threads exposed, as shown in fig. 7, so that the first reinforcing bars 51 and the second reinforcing bars 52 are fixedly coupled together by the socket joint.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
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 at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.
Claims (10)
1. A reinforcing bar muffin coupling, comprising: an outer sleeve, a first connecting sleeve and a second connecting sleeve,
the first connecting sleeve is in threaded connection with the end part of the first steel bar, and the second connecting sleeve is in threaded connection with the end part of the second steel bar;
the first connecting sleeve and the second connecting sleeve are respectively provided with external threads on at least one part of the outer wall;
the inner wall of the outer sleeve is provided with internal threads, and the outer sleeve is screwed on the external threads of the first connecting sleeve and the second connecting sleeve, so that the first connecting sleeve and the second connecting sleeve form fixed connection; and
and a guide head is arranged at the end part of the first connecting sleeve close to the second connecting sleeve, and the guide head is inserted into the through hole of the second connecting sleeve.
2. The reinforcing bar socket joint of claim 1, further comprising a non-return nut,
the non-return nut is provided with internal threads which are in threaded connection with the end part of the second steel bar and are abutted against the second connecting sleeve.
3. A reinforcing sleeve coupler according to claim 2, wherein the cross-section of the outer wall of said non-return nut is hexagonal to decagonal.
4. The reinforcing bar socket joint of claim 1, wherein the mantle wires of the first reinforcing bar end portion and the second reinforcing bar end portion are positive and negative wires, respectively.
5. A reinforcing sleeve coupler according to claim 1, wherein said guide head is semi-circular in cross-section.
6. The reinforcing bar socket coupling of claim 1, wherein the outer walls of the first coupling sleeve and the second coupling sleeve do not have portions of external threads and have a cross-sectional shape of ten or twelve-sided polygon.
7. A reinforcing sleeve joint as defined in claim 1, wherein said outer sleeve has an outer wall with a cross-sectional shape of ten or twelve sided polygon.
8. A reinforcing sleeve coupling as defined in claim 1, wherein said first connecting sleeve has a cross-section without external threads that circumscribes a diameter no greater than the minor diameter of the external threads of said first connecting sleeve.
9. A reinforcing sleeve joint as defined in claim 1, wherein said second coupling sleeve has a cross-section without external threads which circumscribes a diameter not less than the minor diameter of said external threads of said second coupling sleeve.
10. The reinforcing bar socket joint of claim 1, wherein the externally threaded exposed portion is no more than 2 threads.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021063452 | 2020-06-10 | ||
| CN2020210634521 | 2020-06-10 |
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| Publication Number | Publication Date |
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| CN212534825U true CN212534825U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022287192.2U Active CN212534825U (en) | 2020-06-10 | 2020-10-14 | Steel bar sleeve joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997273A (en) * | 2020-06-10 | 2020-11-27 | 北京建谊投资发展(集团)有限公司 | Steel bar sleeve joint and construction method thereof |
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- 2020-10-14 CN CN202022287192.2U patent/CN212534825U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111997273A (en) * | 2020-06-10 | 2020-11-27 | 北京建谊投资发展(集团)有限公司 | Steel bar sleeve joint and construction method thereof |
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