CN219451280U - Assembled claw type steel bar mechanical sleeve connecting node - Google Patents
Assembled claw type steel bar mechanical sleeve connecting node Download PDFInfo
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- CN219451280U CN219451280U CN202320478546.2U CN202320478546U CN219451280U CN 219451280 U CN219451280 U CN 219451280U CN 202320478546 U CN202320478546 U CN 202320478546U CN 219451280 U CN219451280 U CN 219451280U
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- claw
- sleeve
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- steel bar
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses an assembled claw-type steel bar mechanical sleeve connecting node, and belongs to the field of assembled building construction. The double-end spherical expansion head chain rod comprises a steel bar, a claw-shaped threaded sleeve, a double-end spherical expansion head chain rod, a threaded hemispherical inner sleeve and a threaded hemispherical outer sleeve, wherein an external thread is arranged at the connecting end of the steel bar, an internal thread is arranged at one end of the claw-shaped threaded sleeve, claw-shaped limb ends are arranged at the other end of the claw-shaped threaded sleeve, spherical end parts with different diameters are arranged at two ends of the double-end spherical expansion head chain rod, the claw-shaped threaded sleeve is connected with the connecting end of the steel bar through threads, the claw-shaped limb ends of the claw-shaped threaded sleeve are connected with the spherical end parts at one end of the double-end spherical expansion head chain rod, the spherical end parts at the other end of the double-end spherical expansion head chain rod are connected with the threaded hemispherical inner sleeve, and the threaded hemispherical inner sleeve is connected with the threaded hemispherical outer sleeve. The spherical enlarged head chain rod can rotate for a certain angle, can connect the out-ribs of the non-collinear prefabricated parts, is easier to meet construction deviation, ensures safe stress of the nodes, and is simpler and faster to operate.
Description
Technical Field
The utility model relates to a grouting sleeve connection node, in particular to an assembled non-collinear steel bar mechanical sleeve connection node which is used for the out-bar connection between prefabricated components in the assembled building engineering industry.
Background
In the building process of an assembled building, the structure is split into a plurality of prefabricated components, and the prefabricated components are transported to the site for assembly after the completion of the manufacturing in a component factory, so that different assembled components are required to be connected, particularly at a node part, the components are usually connected in a post-cast concrete mode. In the connection mode, the prefabricated components are required to be subjected to reinforcement discharging treatment, after the prefabricated components are placed at the installation positions, the overhanging reinforcements of different components are connected, and after connection is completed, concrete is poured to complete construction. According to the related requirements of the technical regulations of assembled concrete structures, the steel bar connection of the prefabricated components can adopt three modes, namely mechanical connection, grouting sleeve connection and welding connection.
The grouting sleeve connection needs to separate grouting procedures of steel bar connection and concrete pouring of member connection, the construction process is complex and complicated, the accuracy requirement is high, and the grouting sleeve is high in cost and not suitable for large-area use. In addition, when prefabricated component exists the difference in height, two steel bars that wait to connect are not on same horizontal line, exist certain inclination between connecting steel bar and the sleeve, and both belong to rigid material, if carry out forced connection with the component, can make it produce elastoplastic deformation, easily produce stress in the node inside, cause harmful effects to the node.
Disclosure of Invention
The utility model provides an assembled claw-type steel bar mechanical sleeve connecting node, wherein a middle connecting chain rod of the connecting node can rotate for a certain angle, so that the construction problem caused by different distances between connecting steel bars and the fact that the connecting steel bars are not in the same straight line can be avoided. Meanwhile, the joint can be quickly assembled by adopting the connection, so that the construction time is saved, and the engineering efficiency is improved.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the steel bar connecting structure comprises a steel bar, a claw-shaped threaded sleeve, a double-end spherical expansion head chain rod, a threaded hemispherical inner sleeve and a threaded hemispherical outer sleeve, wherein an external thread is arranged at the connecting end of the steel bar, an internal thread is arranged at one end of the claw-shaped threaded sleeve, claw-shaped limb ends are arranged at the other end of the claw-shaped threaded sleeve, spherical end parts with different diameters are arranged at two ends of the double-end spherical expansion head chain rod, the internal thread of the claw-shaped threaded sleeve is connected with the connecting end of the steel bar through threads, the claw-shaped limb ends of the claw-shaped threaded sleeve are connected with the spherical end parts at one end of the double-end spherical expansion head chain rod, the spherical end parts at the other end of the double-end spherical expansion head chain rod are connected with the threaded hemispherical inner sleeve, and the threaded hemispherical inner sleeve and the threaded hemispherical outer sleeve form an assembled claw-shaped steel bar mechanical sleeve connecting node through threaded connection.
The diameters of the spherical end parts at two ends of the double-end spherical expansion head chain rod are different, the diameter of the spherical expansion head at one end is not larger than the diameter of the hemispherical hole of the threaded hemispherical inner sleeve hemispherical hole, so that the end part can pass through the hole, the diameter of the spherical expansion head at the other end is not smaller than the diameter of the hemispherical hole of the threaded hemispherical inner sleeve hemispherical hole, and is not larger than the diameter of the threaded hemispherical inner sleeve hemispherical hole, so that the end part cannot pass through the hemispherical hole of the threaded hemispherical inner sleeve hemispherical hole and can be restrained in the threaded hemispherical inner sleeve.
The thread diameter of the threaded hemispherical inner sleeve is smaller than that of the threaded hemispherical outer sleeve, and the thread length of the threaded hemispherical inner sleeve is longer than that of the threaded hemispherical outer sleeve.
One end of the claw-shaped threaded sleeve is provided with a rectangular internal thread and is used for being connected with a steel bar with a threaded connecting end; the other end is of a four-claw structure, the front end of each claw part is provided with a convex part, and the spherical expansion heads at the end parts of the double-end spherical expansion head chain rod are extruded and restrained in the sleeve through the extrusion anchor to form an integral stress part.
Compared with the prior art, the utility model has the beneficial effects that:
1. the assembled claw-type steel bar mechanical sleeve connecting node is simple in structure and convenient to operate, and can be quickly assembled and installed on a construction site. After the claw limbs and the spherical expansion heads are extruded, the expansion heads are restrained in the sleeve, and the spherical expansion heads can rotate for a certain angle, so that the connecting effect is stable.
2. The middle of the connecting joint of the assembled claw-type steel bar mechanical sleeve is composed of the spherical chain rods, so that the effective connection of the assembled overhanging steel bars when the assembled overhanging steel bars are not collinear can be realized, the utility model can be applicable to the condition of large difference, and the safe stress of the joint is ensured and the operation is simpler.
3. According to the assembled claw-type steel bar mechanical sleeve connecting joint, the screw threads of the middle connecting sleeve can be rotated, the space size in the sleeve can be adjusted, connection of different steel bar intervals can be achieved, and the influence caused by overlong or excessively short connecting parts of components is avoided.
Drawings
Fig. 1 is a schematic configuration of an embodiment of the present utility model.
Fig. 2 is a schematic view of the node structure of the present embodiment.
Fig. 3 is a front cross-sectional view of a claw-type threaded sleeve.
Fig. 4 is a perspective view showing the connection of the members of the present embodiment.
Fig. 5 is a schematic diagram of an actual application scenario of the present embodiment.
The figure shows: the steel bar 1, the claw-shaped threaded sleeve 2, the double-end spherical enlarged head chain rod 3, the threaded hemispherical inner sleeve 4, the threaded hemispherical outer sleeve 5, the prefabricated part 6 and the claw-shaped threaded sleeve convex part 7.
Detailed Description
For a better understanding of the present utility model, the present utility model will be further described with reference to the accompanying drawings, but the embodiments of the present utility model are not limited thereto.
As shown in fig. 1-5, the embodiment comprises a reinforcing steel bar 1, a claw-shaped threaded sleeve 2, a double-end spherical enlarged head chain rod 3, a threaded hemispherical inner sleeve 4 and a threaded hemispherical outer sleeve 5 which are respectively positioned at the left end and the right end of a node, wherein the connecting end of the reinforcing steel bar 1 is provided with external threads, one end of the claw-shaped threaded sleeve 2 is provided with rectangular internal threads, the other end is provided with four claw-shaped ends, the left end of the double-end spherical enlarged head chain rod 3 is provided with a spherical end part with smaller diameter, the right end is provided with a spherical end part with larger diameter, the internal threads of the claw-shaped threaded sleeve 2 are connected with the connecting end of the reinforcing steel bar 1 in a matched manner through the internal threads and the external threads, the claw-shaped limb end of the claw-shaped threaded sleeve 2 is connected with the spherical end part with the smaller diameter of the left end of the double-end spherical enlarged head chain rod 3, the spherical end part with the threaded hemispherical inner sleeve 4 with the threaded hemispherical inner sleeve 5 through threads, and thus the assembled claw-shaped steel bar mechanical sleeve connecting node of the embodiment is formed.
One end of the claw-type threaded sleeve 2 is provided with a rectangular internal thread and is used for being connected with a steel bar with threads at the connecting end; the other end is of a four-claw structure, four outer limb claws are arranged, a certain interval is arranged between each claw, a claw-shaped threaded sleeve convex part 7 (shown in figure 3) is arranged at the front end of each claw, and the spherical end expansion heads with smaller diameters of the double-end spherical expansion head chain rod 3 are extruded and restrained in the claw-shaped threaded sleeve 2 through extrusion anchors. During extrusion, the claw limbs are mutually close, and the outer diameter is reduced to be consistent with the outer diameter of the threaded end; after extrusion, the spherical expansion head at the left end of the double-end spherical expansion head chain rod 3 forms a stable stress part in the claw limb end of the claw-shaped threaded sleeve 2 and can rotate for a certain angle.
The diameters of the spherical end parts at the two ends of the double-end spherical expansion head chain rod 3 are different, the diameter of the spherical expansion head at one end is not larger than the diameter of the hemispherical hole of the threaded hemispherical inner sleeve 4, so that the end part can pass through the hole, the diameter of the spherical expansion head at the other end is not smaller than the diameter of the hemispherical hole of the threaded hemispherical inner sleeve 4, and is not larger than the diameter of the thread of the threaded hemispherical inner sleeve 4, so that the end part cannot pass through the hemispherical hole of the threaded hemispherical inner sleeve 4 and can be restrained in the threaded hemispherical inner sleeve 4.
The thread diameter of the threaded hemispherical inner sleeve 4 is smaller than the thread diameter of the threaded hemispherical outer sleeve 5, and the thread length of the threaded hemispherical inner sleeve 4 is longer than the thread length of the threaded hemispherical outer sleeve 5.
When the screw-threaded steel bar 1 with the screw-threaded end is rotationally sleeved into the screw-threaded end of the claw-shaped screw-threaded sleeve 2, the spherical end with the smaller diameter of the double-end spherical enlarged head chain rod 3 passes through the hole in the screw-threaded hemispherical inner sleeve 4 and is put into the claw limb end of the claw-shaped screw-threaded sleeve 2, the spherical end with the larger diameter of the double-end spherical enlarged head chain rod 3 is placed in the hemisphere of the screw-threaded hemispherical inner sleeve 4, the other spherical end with the smaller diameter of the double-end spherical enlarged head chain rod 3 penetrates out of the screw-threaded hemispherical outer sleeve 5 and is placed in the other claw-shaped screw-threaded sleeve 2, the connection with the steel bar end of the prefabricated member 6 is completed after extrusion, the spherical end with the larger diameter of the spherical end is placed in the hemisphere of the screw-threaded hemispherical outer sleeve 5, the screw-threaded hemispherical inner sleeve 4 rotates into the screw-threaded hemispherical outer sleeve 5, and the two spherical ends are restrained inside the screw-threaded hemispherical outer sleeve 5, and the installation of the whole joint is completed. And after connection is completed, pouring node concrete, and finally, installing the whole node.
The middle of the node is connected through the double-end spherical enlarged head chain rod 3, so that the offset connection between the steel bars 1 can be realized, and the requirement on construction precision is reduced. And the spherical end part of the double-end spherical enlarged head chain rod 3 can rotate a certain angle in the sleeve, so that the double-end spherical enlarged head chain rod can adapt to the dislocation connection with larger difference of the reinforcing steel bars 1. Meanwhile, the assembled claw-type steel bar mechanical sleeve connecting node is simple in structure, low in manufacturing cost and convenient to install, and can be assembled quickly during construction, so that the assembled claw-type steel bar mechanical sleeve connecting node has obvious advantages compared with grouting sleeve connection in the prior art.
The protection scope of the present utility model is not limited to the above-mentioned specific embodiments, and according to the general knowledge and conventional means of the person skilled in the art, the present utility model can also make other various equivalent modifications, substitutions or alterations without departing from the basic technical ideas of the present utility model, which fall within the protection scope of the present utility model.
Claims (4)
1. The utility model provides an assembled claw steel bar mechanical sleeve connected node, includes the reinforcing bar, its characterized in that: the claw-shaped steel bar mechanical sleeve comprises a steel bar, and is characterized by further comprising a claw-shaped threaded sleeve, a double-end spherical enlarged head chain rod, a threaded hemispherical inner sleeve and a threaded hemispherical outer sleeve, wherein an external thread is arranged at the connecting end of the steel bar, an internal thread is arranged at one end of the claw-shaped threaded sleeve, claw limb ends are arranged at the other end of the claw-shaped threaded sleeve, spherical end parts with different diameters are arranged at two ends of the double-end spherical enlarged head chain rod, the internal thread of the claw-shaped threaded sleeve is connected with the connecting end of the steel bar through threads, the claw limb ends of the claw-shaped threaded sleeve are connected with the spherical end parts at one end of the double-end spherical enlarged head chain rod, the spherical end parts at the other end of the double-end spherical enlarged head chain rod are connected with the threaded hemispherical inner sleeve, and the threaded hemispherical inner sleeve and the threaded hemispherical outer sleeve are connected through threads to form an assembled claw-shaped steel bar mechanical sleeve connecting node.
2. A fabricated claw-type steel bar mechanical sleeve connection node according to claim 1, wherein: the diameters of the spherical end parts at the two ends of the double-end spherical expansion head chain rod are different, the diameter of the spherical expansion head at one end is not larger than the diameter of the hemispherical hole of the inner sleeve of the threaded hemisphere, and the diameter of the spherical expansion head at the other end is not smaller than the diameter of the hemispherical hole of the inner sleeve of the threaded hemisphere and is not larger than the diameter of the thread of the inner sleeve of the threaded hemisphere.
3. A fabricated claw-type steel bar mechanical sleeve connection node according to claim 1, wherein: the thread diameter of the threaded hemispherical inner sleeve is smaller than that of the threaded hemispherical outer sleeve, and the thread length of the threaded hemispherical inner sleeve is longer than that of the threaded hemispherical outer sleeve.
4. A fabricated claw-type steel bar mechanical sleeve connection node according to claim 1, wherein: one end of the claw-shaped threaded sleeve is rectangular internal threads, the other end of the claw-shaped threaded sleeve is of a four-claw structure, and the front end of each claw part is provided with a convex part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320478546.2U CN219451280U (en) | 2023-03-13 | 2023-03-13 | Assembled claw type steel bar mechanical sleeve connecting node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320478546.2U CN219451280U (en) | 2023-03-13 | 2023-03-13 | Assembled claw type steel bar mechanical sleeve connecting node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219451280U true CN219451280U (en) | 2023-08-01 |
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ID=87413224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320478546.2U Active CN219451280U (en) | 2023-03-13 | 2023-03-13 | Assembled claw type steel bar mechanical sleeve connecting node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219451280U (en) |
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2023
- 2023-03-13 CN CN202320478546.2U patent/CN219451280U/en active Active
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