CN211172728U - Steel bar connecting sleeve - Google Patents
Steel bar connecting sleeve Download PDFInfo
- Publication number
- CN211172728U CN211172728U CN201921727480.6U CN201921727480U CN211172728U CN 211172728 U CN211172728 U CN 211172728U CN 201921727480 U CN201921727480 U CN 201921727480U CN 211172728 U CN211172728 U CN 211172728U
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- sleeve
- locking
- connecting piece
- steel bar
- reinforcing bar
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Abstract
The utility model provides a steel bar connection sleeve belongs to steel bar connection sleeve technical field. The utility model discloses a locking sleeve, connecting piece and connecting sleeve, locking sleeve are provided with two sets ofly, and the inside cavity of locking sleeve just is provided with the internal thread, and the connecting piece is provided with two sets ofly, and connecting piece one end is locking portion, and locking portion surface is provided with external screw thread A, and the other end is provided with connecting portion, and the setting of connecting portion surface is provided with external screw thread B, and the inside cavity that is provided with of locking portion one end of connecting piece is provided with the kicking block on the cavity inner wall, the inside cavity of connecting sleeve, inside are provided with the internal thread, the utility model discloses strengthened the steadiness of being connected between reinforcing bar and the connecting piece, improved reinforcing.
Description
Technical Field
The utility model relates to a steel bar connection sleeve belongs to steel bar connection sleeve technical field.
Background
The steel bar connecting sleeve connection is a steel bar connecting technology commonly used in large-scale building engineering in the building industry, when the steel bars are connected, 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 the steel bar connection of large-scale buildings such as large-scale building bridges, subways, hydraulic engineering and the like at home and abroad. 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 relative 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 bars, so that the bonding strength between the reinforcing steel bar connecting sleeve and the reinforcing steel bars is greatly reduced, and the reinforcing steel bar connecting sleeve can be separated from the reinforcing steel bars 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. Therefore, the connection strength of the existing steel bar connection sleeve connection process is limited, and the use requirements of the construction steel bar connection with explosion-proof grade limitation, such as nuclear power reactors, ultrahigh buildings and the like, cannot be met.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, an object of the present invention is to provide a steel bar connecting sleeve, which is used to solve the problem that the steel bar connecting sleeve in the prior art can only be extruded and deformed in a vertical relative direction, that is, the steel bar connecting sleeve can only be flattened, and the inner wall of the steel bar connecting sleeve can only be pressed in contact with two opposite faces of a steel bar, which greatly reduces the bonding strength between the steel bar connecting sleeve and the steel bar, and can be disengaged when being subjected to a large pulling force and a strong impact; secondly, in the process that two reinforcing bars are connected with a 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 problems 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 are caused.
In order to achieve the above and other related objects, the present invention provides a steel bar connecting sleeve comprising: locking sleeve, connecting piece and connecting sleeve, the locking sleeve be provided with two sets ofly, the inside cavity of locking sleeve just is provided with the internal thread, the connecting piece be provided with two sets ofly, connecting piece one end is locking portion, locking portion surface is provided with external screw thread A, the other end is provided with connecting portion, the connecting portion surface sets up and is provided with external screw thread B, the inside cavity that is provided with of locking portion one end of connecting piece is provided with the kicking block on the cavity inner wall, the inside cavity of connecting sleeve, inside is provided with the internal thread, the connecting sleeve is connected with the connecting portion of.
By adopting the technical scheme: when connecting the reinforcing bar, at first establish the locking sleeve cover on the reinforcing bar, then put into the cavity of connecting piece one end with the reinforcing bar, kicking block on the cavity inner wall contacts with the rib on the reinforcing bar, make the reinforcing bar fix inside the connecting piece, be connected locking sleeve through threaded connection and the locking portion on the connecting piece, make locking portion press from both sides the fastening to the reinforcing bar, thereby consolidate being connected of reinforcing bar and connecting piece, and stability is improved, then through connecting sleeve, be connected the connecting portion of two sets of connecting pieces, thereby accomplish the connection of reinforcing bar, and is easy and simple to handle, high work efficiency, and good stability.
In an embodiment of the present invention, the locking sleeve is provided with a nut.
By adopting the technical scheme: through setting up the nut, the practical spanner of being convenient for screws up locking sleeve, improves the steadiness that reinforcing bar and connecting piece are connected.
In an embodiment of the present invention, the connecting portion and the connecting sleeve are provided with a pin hole, and the pin hole on the connecting portion and the connecting sleeve is corresponding to each other.
By adopting the technical scheme: through setting up the pinhole, after connecting sleeve and connecting portion are connected, the pinhole position is corresponding, inserts the round pin in pinhole inside to prevent connecting piece and connecting portion relative slip in the use and produce the displacement, improve the stability of steel bar connection.
In an embodiment of the present invention, the locking device further includes a locking pin, and the locking pin is disposed in the pin hole.
By adopting the technical scheme: through the locking pin, after the connecting sleeve is connected with the connecting portion, the pin hole corresponds in position, and the locking pin is inserted into the pin hole, so that the connecting piece and the connecting portion are prevented from sliding relatively to generate displacement in the using process, and the stability of steel bar connection is improved.
In an embodiment of the present invention, the connecting member has two sets of connecting portion outer side surface external threads B arranged in opposite spiral directions.
By adopting the technical scheme: through opposite arrangement of the external threads, when the connecting sleeve rotates in one direction, the connecting parts at two ends can be screwed down, and operation of operators is facilitated.
As above, the utility model discloses a steel bar connection sleeve has following beneficial effect:
the utility model discloses in set up the kicking block inside the connecting piece, establish the inside back of connecting piece with the reinforcing bar cover, because the rib on kicking block and the reinforcing bar contacts, can produce reverse effort in the use to prevent reinforcing bar and connecting piece separation, simultaneously through the effect of locking sleeve, the steadiness of being connected between reinforcing bar and the connecting piece uses this device simultaneously not to process the reinforcing bar, has improved reinforcing bar and coupling mechanism's structural strength, and installs simple structure, easy and simple to handle.
Drawings
Fig. 1 is a schematic view of an overall structure of a steel bar connecting sleeve according to an embodiment of the present invention.
Fig. 2 is a schematic view of an internal structure of a locking sleeve of a steel bar connecting sleeve according to an embodiment of the present invention.
Fig. 3 is a left side view of the locking sleeve of the embodiment of the present invention.
Fig. 4 is a schematic view of a connecting member structure of a steel bar connecting sleeve according to an embodiment of the present invention.
Fig. 5 is a schematic view of an internal structure of a connector of a steel bar connecting sleeve according to an embodiment of the present invention.
Fig. 6 is a schematic view of an embodiment of the present invention, illustrating a top block structure of a steel bar connecting sleeve.
Fig. 7 is a schematic view of a connecting sleeve structure of a steel bar connecting sleeve according to an embodiment of the present invention.
Fig. 8 is a schematic view of an internal structure of a connection sleeve of a steel bar connection sleeve according to an embodiment of the present invention.
Wherein, 1, reinforcing steel bars; 2. locking the sleeve; 3. a connecting member; 4. a connecting portion; 5. a connecting sleeve; 6. a locking pin; 7. a nut; 8. an internal thread; 9. a locking portion; 10. an external thread A; 11. a top block; 12. a pin hole; 13. and (4) external threads B.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 8. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1, the present invention provides a steel bar connecting sleeve, including: locking sleeve 2, connecting piece 3 and connecting sleeve 5, locking sleeve 2 be provided with two sets ofly, the inside cavity of locking sleeve 2 just is provided with internal thread 8, connecting piece 3 be provided with two sets ofly, 3 one ends of connecting piece are locking portion 9, locking portion 9 surface is provided with external screw thread A10, the other end is provided with connecting portion 4, connecting portion 4 surface sets up and is provided with external screw thread B13, the inside cavity that is provided with of locking portion 9 one end of connecting piece 3 is provided with kicking block 11 on the cavity inner wall, the inside cavity of connecting sleeve 5, inside is provided with internal thread 8, connecting sleeve 5 is connected with connecting portion 4 of 3 one ends of connecting piece.
And a nut 7 is arranged at one end of the locking sleeve 2. The connecting part 4 and the connecting sleeve 5 are provided with pin holes 12, and the connecting part 4 corresponds to the pin holes 12 on the connecting sleeve 5. The locking device further comprises a locking pin 6, and the locking pin 6 is sleeved in the pin hole 12. The external threads B13 on the outer side surfaces of the connecting parts 4 on the two groups of connecting pieces 3 are arranged in opposite spiral directions.
To sum up, the utility model discloses in set up the kicking block inside the connecting piece, establish the reinforcing bar cover inside the back at the connecting piece, because the rib on kicking block and the reinforcing bar contacts, can produce reverse effort in the use to prevent reinforcing bar and connecting piece separation, simultaneously through the effect of locking sleeve, the steadiness of being connected between reinforcing bar and the connecting piece uses this device simultaneously not to process the reinforcing bar, has improved reinforcing bar and coupling mechanism's structural strength, and device simple structure, easy and simple to handle. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. A reinforcing bar coupler sleeve, comprising: locking sleeve (2), connecting piece (3) and connecting sleeve (5), locking sleeve (2) be provided with two sets ofly, the inside cavity of locking sleeve (2) just is provided with internal thread (8), connecting piece (3) be provided with two sets ofly, connecting piece (3) one end is locking portion (9), locking portion (9) surface is provided with external screw thread A (10), the other end is provided with connecting portion (4), connecting portion (4) surface sets up and is provided with external screw thread B (13), the inside cavity that is provided with of locking portion (9) one end of connecting piece (3), be provided with kicking block (11) on the cavity inner wall, the inside cavity of connecting sleeve (5), inside is provided with internal thread (8), connecting sleeve (5) are connected with connecting portion (4) of connecting piece (3) one end.
2. A reinforcing bar coupler sleeve according to claim 1, wherein: one end of the locking sleeve (2) is provided with a screw cap (7).
3. A reinforcing bar coupler sleeve according to claim 1, wherein: the connecting part (4) and the connecting sleeve (5) are provided with pin holes (12), and the pin holes (12) on the connecting part (4) and the connecting sleeve (5) correspond to each other.
4. A reinforcing bar coupler sleeve according to claim 3, wherein: the locking device further comprises a locking pin (6), and the locking pin (6) is sleeved in the pin hole (12).
5. A reinforcing bar coupler sleeve according to claim 1, wherein: the external threads B (13) on the outer side surfaces of the connecting parts (4) on the two groups of connecting parts (3) are arranged in opposite spiral directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921727480.6U CN211172728U (en) | 2019-10-15 | 2019-10-15 | Steel bar connecting sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921727480.6U CN211172728U (en) | 2019-10-15 | 2019-10-15 | Steel bar connecting sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211172728U true CN211172728U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921727480.6U Active CN211172728U (en) | 2019-10-15 | 2019-10-15 | Steel bar connecting sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211172728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753565A (en) * | 2022-05-25 | 2022-07-15 | 四川省建筑机械化工程有限公司 | Straight thread connection steel bar sleeve of male and female tenon |
-
2019
- 2019-10-15 CN CN201921727480.6U patent/CN211172728U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753565A (en) * | 2022-05-25 | 2022-07-15 | 四川省建筑机械化工程有限公司 | Straight thread connection steel bar sleeve of male and female tenon |
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