CN215442612U - Extension between reinforcing bar connects external member - Google Patents
Extension between reinforcing bar connects external member Download PDFInfo
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- CN215442612U CN215442612U CN202120353478.8U CN202120353478U CN215442612U CN 215442612 U CN215442612 U CN 215442612U CN 202120353478 U CN202120353478 U CN 202120353478U CN 215442612 U CN215442612 U CN 215442612U
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- sleeve
- thread structure
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Abstract
The utility model discloses an expansion connecting external member between reinforcing steel bars, which comprises a sleeve A and a sleeve B; one side of the sleeve A is provided with a blind hole I for connecting the steel bar A, and the other side is provided with a blind hole II internally provided with an internal thread structure I; one side of the sleeve B is provided with a blind hole III for connecting the reinforcing steel bar B, and the other side of the sleeve B is provided with an external thread structure I matched with the internal thread structure I; one side of the sleeve A is connected with the reinforcing steel bar A, the other side of the sleeve A is connected with one side of the sleeve B through thread fit, the other side of the sleeve B is connected with the reinforcing steel bar B, and then the reinforcing steel bar A and the reinforcing steel bar B are connected. According to the expansion connecting kit between the steel bars, the sleeve A and the sleeve B can be connected in a male and female manner through threaded matching, the two sides are fixed with the steel bars through extrusion, the operation is simple and convenient, the use is not limited, the connection fastness is high, the use requirements of high tensile strength and high pressure resistance can be met, and the expansion connecting kit has a great application prospect.
Description
Technical Field
The utility model belongs to the technical field of building construction equipment, and relates to an expansion connection kit between reinforcing steel bars.
Background
The reinforcing steel bars are the necessary tensile and compressive structural members for modern buildings. In industrial production, the size of the steel bars is usually predetermined, and in actual construction, a plurality of steel bars are usually required to be connected.
Whether the selection of the steel bar connection mode is correct or not is directly related to the quality of the project. At present, the commonly used steel bar connection modes include three types of binding and overlapping, welding connection and mechanical connection. The binding and lapping process is simple, the construction speed is high, the construction quality is stable, but the material consumption is the most, and the force transmission performance is the worst, so that the use requirement of high tensile strength and compression resistance is difficult to meet; the welding connection process is simple and has lower cost, but the welding connection process has higher technical requirements on welding personnel, consumes longer time, wastes labor, has unstable welding quality and is not suitable for vertical connection; at present, parts used for mechanical connection of reinforcing steel bars are mostly threaded sleeves, but the sleeves need to be threaded at the tail ends of the reinforcing steel bars in advance, so that not only is labor wasted, but also the strength of the tail ends is reduced, so that the number of joints in the same cross section is limited in a construction specification, and in addition, the reinforcing steel bars are mainly connected with concrete members in an embedded mode, and a longer time is needed for waiting for concrete solidification.
Therefore, the development of the steel bar connecting sleeve which is good in use convenience, unlimited in use and capable of meeting the use requirements of high tensile and compression resistance is of great practical significance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of inconvenient use, limited use condition and poor connection strength of a steel bar connecting piece in the prior art, and provides a steel bar connecting kit which is good in use convenience, unlimited in use and capable of meeting the use requirements of high tensile and compression resistance.
In order to achieve the purpose, the utility model provides the following technical scheme:
an expansion connecting kit between reinforcing steel bars comprises a sleeve A and a sleeve B;
one side of the sleeve A is provided with a blind hole I for connecting a steel bar A, and the other side of the sleeve A is provided with a blind hole II internally provided with an internal thread structure I;
one side of the sleeve B is provided with a blind hole III for connecting a steel bar B, and the other side of the sleeve B is provided with an external thread structure I matched with the internal thread structure I;
one side of the sleeve A is connected with the reinforcing steel bar A, the other side of the sleeve A is connected with one side of the sleeve B through thread fit, the other side of the sleeve B is connected with the reinforcing steel bar B, and then the reinforcing steel bar A is connected with the reinforcing steel bar B.
Simultaneously can form a complete set and be used for blockking up the protection stopper of blind hole II and be used for covering the visor of external screw thread structure I, protection stopper and visor are equipped with rather than the external screw thread structure or the internal thread structure that correspond the helicitic texture and take in order to conveniently. The protective plug and the protective cover can prevent the connecting part from being exposed outside, oxidized and rusted to influence use when the sleeve A and the sleeve B are stored and transported.
The expansion connecting kit between the steel bars has a simple integral structure, the sleeve A and the sleeve B can be connected in a male and female way through threaded matching, the two ends of the sleeve A and the sleeve B are fixed with the steel bars through extrusion, the operation is simple and convenient, the use is not limited, the connection fastness is high, the use requirements of high tensile strength and high compression strength can be met, and the expansion connecting kit has a great application prospect.
As a preferred technical scheme:
the extension connecting kit between the reinforcing steel bars comprises a reinforcing steel bar A and a reinforcing steel bar B, wherein the reinforcing steel bar A and the reinforcing steel bar B are the same or different in size. The sizes of the blind holes I and the blind holes III are respectively matched with the sizes of the reinforcing steel bars A and the reinforcing steel bars B, and the connecting of the reinforcing steel bars with different sizes can be realized through the extension connecting sleeve between the reinforcing steel bars, namely, the effect of reducing the diameter of the reinforcing steel bars can be realized.
The extension connecting external member between the reinforcing steel bars further comprises a threaded rod and a connecting sleeve;
an external thread structure II matched with the internal thread structure I is arranged outside the threaded rod;
a through hole I with an internal thread structure II is formed in the axial direction of the connecting sleeve, and the internal thread structure II is matched with the external thread structure II;
the sleeve A is connected with one side of the threaded rod through thread fit, and the other side of the threaded rod is connected with the sleeve B through the connecting sleeve. The connection of two longer reinforcing bars of interval can be satisfied through threaded rod and connecting sleeve can lengthen the linkage segment. Sleeve A, sleeve B, threaded rod and connecting sleeve can constitute a set of better reinforcing bar extension of suitability and connect the external member.
The extension connecting kit between the steel bars further comprises a positioning ring A and a positioning ring B which have the same structure;
a through hole II is formed in the positioning ring A in the axial direction, and an internal thread structure III matched with the external thread structure II is arranged in the through hole II;
and in the direction from the sleeve A to the sleeve B, the positioning ring A, the positioning ring B and the connecting sleeve are sequentially sleeved on the threaded rod.
According to the extension connecting sleeve between the steel bars, the positioning ring A fixes the position of the sleeve A, and the positioning ring B fixes the position of the connecting sleeve. The positioning ring A and the positioning ring B are actually equivalent to self-locking fittings, and the addition of the positioning ring A and the positioning ring B can ensure that even if the reinforcing steel bars (the reinforcing steel bars A and the reinforcing steel bars B) on two sides rotate, the threaded connection cannot be untied, namely the reliability of the connection of the expansion connection kit is ensured. The positioning ring has the advantages that the positioning function is not limited to positioning, and the part of the positioning ring, which is close to the sleeve, is screwed up to be dead just the safe number of times of torsion.
According to the extension connecting sleeve between the reinforcing steel bars, the connecting sleeve is simultaneously connected with the threaded rod and the sleeve B through threaded fit.
The structure of the blind hole I is the same as that of the blind hole III, and the blind hole I and the blind hole III comprise a cylindrical hole and a conical hole which are coaxial and connected with each other;
the cylinder hole is closer to the outside than the circular cone hole, and the internal diameter of the conical cone hole is the same with the internal diameter in cylinder hole and the internal diameter in circular cone hole constantly reduces to zero along keeping away from outside direction with the internal diameter in the link in circular cone hole and cylinder hole.
The extension connecting kit between the steel bars is characterized in that the blind hole I and the blind hole II are coaxial; the blind hole III is coaxial with the external thread structure I.
According to the extension connecting kit between the steel bars, the steel bar A and the sleeve A, and the steel bar B and the sleeve B are fixed together through extrusion.
The utility model relates to a using method of an expansion connecting suite among steel bars, which comprises the following steps of:
(1) inserting the steel bar A into the blind hole I of the sleeve A and completing the fixation of the steel bar A and the sleeve A through extrusion, and inserting the steel bar B into the blind hole III of the sleeve B and completing the fixation of the steel bar B and the sleeve B through extrusion;
(2) in the external thread structure I screw in of sleeve B blind hole II's on the sleeve A internal thread structure I, accomplish sleeve A and sleeve B's fixed connection through the screw-thread fit, realize reinforcing bar A and reinforcing bar B's being connected promptly.
The use steps of the sleeve A + the sleeve B + the threaded rod + the connecting sleeve are as follows:
(1) inserting the steel bar A into the blind hole I of the sleeve A and completing the fixation of the steel bar A and the sleeve A through extrusion, and inserting the steel bar B into the blind hole III of the sleeve B and completing the fixation of the steel bar B and the sleeve B through extrusion;
(2) on the internal thread structure I with blind hole II on the threaded rod screw in sleeve A, with connecting sleeve screw in threaded rod again, in the external thread structure I screw in connecting sleeve with sleeve B at last, connecting sleeve passes through screw-thread fit simultaneously and is connected with threaded rod and sleeve B this moment, realizes being connected of reinforcing bar A and reinforcing bar B promptly.
The use steps of the sleeve A + the sleeve B + the threaded rod + the connecting sleeve + the positioning ring A + the positioning ring B are as follows:
(1) inserting the steel bar A into the blind hole I of the sleeve A and completing the fixation of the steel bar A and the sleeve A through extrusion, and inserting the steel bar B into the blind hole III of the sleeve B and completing the fixation of the steel bar B and the sleeve B through extrusion;
(2) on the internal thread structure I with blind hole II on threaded rod screw in sleeve A, fix holding ring A screw in threaded rod to sleeve A, again with holding ring B and connecting sleeve screw in threaded rod in proper order, at last with sleeve B's external thread structure I screw in connecting sleeve, adjustment holding ring B's position is fixed connecting sleeve, and connecting sleeve passes through screw-thread fit simultaneously and is connected with threaded rod and sleeve B this moment, realizes reinforcing bar A and reinforcing bar B's being connected promptly. The combination can be used as an alternative to the conventional direct screwing which is inconvenient to install.
Has the advantages that:
(1) the expansion connecting sleeve between the steel bars is simple in overall structure, the sleeve A and the sleeve B are fixed with the steel bars through extrusion, and the operation is convenient and fast;
(2) according to the expansion connecting kit for the steel bars, the sleeve A and the sleeve B can be connected in a male and female way through threaded matching, the operation is simple and convenient, the use is not limited, the connection fastness is high, the use requirements of high tensile strength and high compression strength can be met, and the expansion connecting kit has a great application prospect.
Drawings
Fig. 1 and 2 are schematic views of an expanded connection kit between reinforcing bars according to embodiment 1 before and after being connected to each other, respectively;
FIG. 3 is a perspective view of FIG. 2;
fig. 4 and 5 are schematic views of the expansion joint kit between reinforcing bars of embodiment 2 before and after being connected with each other, respectively;
FIG. 6 is an exploded view of the expanded connection kit between reinforcing bars according to example 3;
FIG. 7 is a schematic view of the expanded connection kit for connecting reinforcing bars according to embodiment 3;
FIG. 8 is a schematic view of the expanded connection kit for connecting reinforcing bars according to embodiment 4;
the steel bar connecting structure comprises a steel bar A1, a sleeve A2, a positioning ring A3, a positioning ring B4, a threaded rod 5, a connecting sleeve 6, a sleeve B7, an external thread structure I71, a steel bar B8, a cylindrical hole 9 and a conical hole 10.
Detailed Description
The following further describes the embodiments of the present invention with reference to the attached drawings.
Example 1
An expansion connecting kit between steel bars, as shown in figures 1 and 2, comprises a sleeve A2 and a sleeve B7;
one side of the sleeve A2 is provided with a blind hole I for connecting the steel bar A1, and the other side is provided with a blind hole II which is coaxial with the blind hole I and is internally provided with an internal thread structure I;
one side of the sleeve B7 is provided with a blind hole III for connecting a steel bar B2 with the same size as the steel bar A, and the other side of the sleeve B7 is provided with an external thread structure I71 which is coaxial with the blind hole III and matched with the internal thread structure I;
the blind holes I and III have the same structure and comprise a cylindrical hole 9 and a conical hole 10 which are coaxial and connected with each other as shown in FIG. 3;
the cylindrical hole 9 is closer to the outer side than the conical hole 10, the inner diameter of the connecting end of the conical hole 10 and the cylindrical hole 9 is the same as that of the cylindrical hole 9, the inner diameter of the conical hole 10 is continuously reduced along the direction far away from the outer side until the inner diameter is reduced to zero, and the steel bar A1 and the sleeve A2 as well as the steel bar B8 and the sleeve B7 are fixed through extrusion;
reinforcing bar A1 is connected to one side of sleeve A2, and the opposite side is connected with sleeve B7 one side through screw-thread fit, and sleeve B7's opposite side is connected with reinforcing bar B8, and then realizes reinforcing bar A1 and reinforcing bar B8's being connected.
The use method of the expansion connecting suite among the steel bars is as follows:
(1) inserting the steel bar A1 into the blind hole I of the sleeve A2 and completing the fixation of the steel bar A1 and the sleeve A2 through extrusion, inserting the steel bar B8 into the blind hole III of the sleeve B7 and completing the fixation of the steel bar B8 and the sleeve B7 through extrusion;
(2) in screwing the external thread structure I71 of the sleeve B7 into the internal thread structure I of the blind hole II on the sleeve A2, the sleeve A2 and the sleeve B7 are fixedly connected through thread matching, namely the connection between the steel bar A1 and the steel bar B8 is realized.
Example 2
An extended coupling kit for reinforcing bars, which is substantially the same as that of embodiment 1, except that the reinforcing bars a and B have different sizes, as shown in fig. 4 and 5, and the use method thereof is the same as that of embodiment 1.
Example 3
An extended connecting kit between reinforcing steel bars is shown in fig. 6 and 7 and comprises a sleeve A2, a threaded rod 5, a connecting sleeve 6, a sleeve B7, a positioning ring A3 and a positioning ring B4 which are of the same structure;
one side of the sleeve A2 is provided with a blind hole I for connecting the steel bar A1, and the other side is provided with a blind hole II which is coaxial with the blind hole I and is internally provided with an internal thread structure I;
an external thread structure II matched with the internal thread structure I is arranged outside the threaded rod 2;
a through hole I with an internal thread structure II is formed in the axial direction of the connecting sleeve 6, and the internal thread structure II is matched with the external thread structure II;
a through hole II is formed in the axial direction of the positioning ring A3 and the positioning ring B4, and an internal thread structure III matched with the external thread structure II is arranged in the through hole II;
in the direction from the sleeve A2 to the sleeve B7, a positioning ring A3, a positioning ring B4 and a connecting sleeve 6 are sequentially sleeved on the threaded rod 5, the positioning ring A3 fixes the position of the sleeve A2, and the positioning ring B4 fixes the position of the connecting sleeve 6;
the sleeve A2 is connected with one side of the threaded rod 5 through thread fit, and the other side of the threaded rod 5 is connected with the sleeve B7 through the connecting sleeve 6 (the connecting sleeve 6 is simultaneously connected with the threaded rod 5 and the sleeve B7 through thread fit);
one side of the sleeve B7 is provided with a blind hole III for connecting a steel bar B2 with the same size as the steel bar A, and the other side of the sleeve B7 is provided with an external thread structure I71 which is coaxial with the blind hole III and matched with the internal thread structure I;
the blind holes I and III have the same structure and comprise cylindrical holes and conical holes which are coaxial and connected with each other;
the cylindrical hole is closer to the outer side than the conical hole, the inner diameter of the connecting end of the conical hole and the cylindrical hole is the same as that of the cylindrical hole, the inner diameter of the conical hole is continuously reduced along the direction far away from the outer side until the inner diameter is reduced to zero, and the steel bar A1 and the sleeve A2 as well as the steel bar B8 and the sleeve B7 are fixed through extrusion;
one side connecting reinforcement A1 of sleeve A2, the opposite side passes through screw-thread fit and is connected with threaded rod 5, and one side of threaded rod 5 is connected with sleeve B7 one side through (being connected with threaded rod 5 and sleeve B7 simultaneously) connecting sleeve 6 again, and sleeve B7's opposite side is connected with reinforcing bar B8, and then realizes reinforcing bar A1 and reinforcing bar B8's being connected.
The use method of the expansion connecting suite among the steel bars is as follows:
(1) inserting the steel bar A1 into the blind hole I of the sleeve A2 and completing the fixation of the steel bar A1 and the sleeve A2 through extrusion, inserting the steel bar B8 into the blind hole III of the sleeve B7 and completing the fixation of the steel bar B8 and the sleeve B7 through extrusion;
(2) on the internal thread structure I with blind hole II on the threaded rod 5 screw in sleeve A2, fix holding ring A3 screw in threaded rod to sleeve A2, again with holding ring B4 and connecting sleeve 6 screw in threaded rod 5 in proper order, at last with in the external thread structure I71 screw in connecting sleeve 6 of sleeve B7, the position of adjustment holding ring B4 is fixed connecting sleeve 6, connecting sleeve 6 passes through the screw-thread fit and is connected with threaded rod 5 and sleeve B7 simultaneously this moment, realize reinforcing bar A1 and reinforcing bar B8's being connected promptly.
Example 4
An expanded connection kit between reinforcing bars, as shown in fig. 8, is substantially the same as embodiment 3, except that it does not have positioning rings a and B.
The use method of the expansion connecting suite among the steel bars is as follows:
(1) inserting the steel bar A into the blind hole I of the sleeve A and completing the fixation of the steel bar A and the sleeve A through extrusion, and inserting the steel bar B into the blind hole III of the sleeve B and completing the fixation of the steel bar B and the sleeve B through extrusion;
(2) on the internal thread structure I with blind hole II on the threaded rod screw in sleeve A, with connecting sleeve screw in threaded rod again, in the external thread structure I screw in connecting sleeve with sleeve B at last, connecting sleeve passes through screw-thread fit simultaneously and is connected with threaded rod and sleeve B this moment, realizes being connected of reinforcing bar A and reinforcing bar B promptly.
Example 5
An expansion connecting kit between reinforcing steel bars is basically the same as the embodiment 3, except that only one positioning ring is provided.
The use method of the expansion connecting suite among the steel bars is as follows:
(1) inserting the steel bar A into the blind hole I of the sleeve A and completing the fixation of the steel bar A and the sleeve A through extrusion, and inserting the steel bar B into the blind hole III of the sleeve B and completing the fixation of the steel bar B and the sleeve B through extrusion;
(2) on the internal thread structure I with blind hole II on threaded rod screw in sleeve A, with holding ring screw in threaded rod, with connecting sleeve screw in threaded rod again, with sleeve B's external thread structure I screw in connecting sleeve at last, the position of adjustment holding ring can be fixed connecting sleeve or sleeve A, and connecting sleeve passes through screw-thread fit and is connected with threaded rod and sleeve B simultaneously this moment, realizes being connected of reinforcing bar A and reinforcing bar B promptly.
The expansion connecting external member between the steel bars is simple in overall structure, the sleeve A and the sleeve B are fixed with the steel bars through extrusion, and the operation is convenient and fast; the sleeve A and the sleeve B can be connected in a male and female element mode through thread matching, the operation is simple and convenient, the use is not limited, the connection fastness is high, the use requirement of high tensile strength and high pressure resistance can be met, and the application prospect is wide.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these embodiments are merely illustrative and various changes or modifications may be made without departing from the principles and spirit of the utility model.
Claims (9)
1. An expansion connecting kit between reinforcing steel bars is characterized by comprising a sleeve A and a sleeve B;
one side of the sleeve A is provided with a blind hole I for connecting a steel bar A, and the other side of the sleeve A is provided with a blind hole II internally provided with an internal thread structure I;
one side of the sleeve B is provided with a blind hole III for connecting a steel bar B, and the other side of the sleeve B is provided with an external thread structure I matched with the internal thread structure I;
one side of the sleeve A is connected with the reinforcing steel bar A, the other side of the sleeve A is connected with one side of the sleeve B through thread fit, the other side of the sleeve B is connected with the reinforcing steel bar B, and then the reinforcing steel bar A is connected with the reinforcing steel bar B.
2. The extended joint kit for reinforcing bars according to claim 1, wherein the size of the reinforcing bars a and B is the same or different.
3. The extended joint kit for reinforcing steel bars as claimed in claim 1, further comprising a threaded rod and a joint sleeve;
an external thread structure II matched with the internal thread structure I is arranged outside the threaded rod;
a through hole I with an internal thread structure II is formed in the axial direction of the connecting sleeve, and the internal thread structure II is matched with the external thread structure II;
the sleeve A is connected with one side of the threaded rod through thread fit, and the other side of the threaded rod is connected with the sleeve B through the connecting sleeve.
4. The expanded connection kit for reinforcing steel bars as claimed in claim 3, further comprising a positioning ring A and a positioning ring B with the same structure;
a through hole II is formed in the positioning ring A in the axial direction, and an internal thread structure III matched with the external thread structure II is arranged in the through hole II;
and in the direction from the sleeve A to the sleeve B, the positioning ring A, the positioning ring B and the connecting sleeve are sequentially sleeved on the threaded rod.
5. The extended joint kit for reinforcing steel bars as claimed in claim 4, wherein the positioning ring A fixes the position of the sleeve A, and the positioning ring B fixes the position of the joint sleeve.
6. The extended joint kit for reinforcing steel bars as claimed in claim 3, wherein the joint sleeve is connected to the threaded rod and the sleeve B simultaneously by screw-fitting.
7. The extension connecting kit for reinforcing steel bars as claimed in claim 1, wherein the blind holes I and III are identical in structure and comprise a cylindrical hole and a conical hole which are coaxial and connected with each other;
the cylinder hole is closer to the outside than the circular cone hole, and the internal diameter of the conical cone hole is the same with the internal diameter in cylinder hole and the internal diameter in circular cone hole constantly reduces to zero along keeping away from outside direction with the internal diameter in the link in circular cone hole and cylinder hole.
8. The extension connecting kit for reinforcing steel bars as claimed in claim 1, wherein the blind holes I and II are coaxial; the blind hole III is coaxial with the external thread structure I.
9. The extended joint kit for reinforcing bars of claim 1, wherein the reinforcing bars A and the sleeve A and the reinforcing bars B and the sleeve B are fixed by extrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120353478.8U CN215442612U (en) | 2021-02-08 | 2021-02-08 | Extension between reinforcing bar connects external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120353478.8U CN215442612U (en) | 2021-02-08 | 2021-02-08 | Extension between reinforcing bar connects external member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215442612U true CN215442612U (en) | 2022-01-07 |
Family
ID=79701773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120353478.8U Active CN215442612U (en) | 2021-02-08 | 2021-02-08 | Extension between reinforcing bar connects external member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215442612U (en) |
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2021
- 2021-02-08 CN CN202120353478.8U patent/CN215442612U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215699 No.9 Fuxin Road, North District, Zhangjiagang Economic and Technological Development Zone (yangshe town), Suzhou City, Jiangsu Province Patentee after: PEC building materials (China) Co.,Ltd. Address before: 215699 No.9 Fuxin Road, North District, Zhangjiagang Economic and Technological Development Zone (yangshe town), Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: Peck construction accessories (Zhangjiagang) Co.,Ltd. |
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| CP03 | Change of name, title or address |