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Connection piece used for prefabricated member
The invention belongs to the technical field of building components, and relates to a connection piece used for a prefabricated member. The connection piece solves the technical problem that connection in the prior air is not reliable. The connection piece comprises a first tensioning nut and a second tensioning nut which are fixed to the two ends of the prefabricated member respectively. The first tensioning nut is internally and detachably connected with an insertion rod. The second tensioning nut is internally and detachably connected with an intermediate nut. An elastic piece is arranged in the second tensioning nut. A snap ring is arranged between the intermediate nut and the elastic piece. When inserted in the intermediate nut, the insertion rod can be clamped by the snap ring. The intermediate nut comprises a nut body. An external thread is formed in the outer wall of the nut body. A passageway for a connecting plug to penetrate is arranged in the nut body. The end of the passageway is expanded into a snap ring positioning cavity which can contain the snap ring. A snap ring limiting cavity which can block the snap ring so as to prevent the snap ring from sliding out of the snap ring positioning cavity when the snap ring slides to the end of the snap ring positioning cavity is formed in the end of the snap ring positioning cavity. By means of the connection piece, the insertion process of plug connectors can be stable and reliable, and the work efficiency of construction is improved.
Connection piece used for prefabricated member
The invention belongs to the technical field of building components, and relates to a connection piece used for a prefabricated member. The connection piece solves the technical problem that connection in the prior air is not reliable. The connection piece comprises a first tensioning nut and a second tensioning nut which are fixed to the two ends of the prefabricated member respectively. The first tensioning nut is internally and detachably connected with an insertion rod. The second tensioning nut is internally and detachably connected with an intermediate nut. An elastic piece is arranged in the second tensioning nut. A snap ring is arranged between the intermediate nut and the elastic piece. When inserted in the intermediate nut, the insertion rod can be clamped by the snap ring. The intermediate nut comprises a nut body. An external thread is formed in the outer wall of the nut body. A passageway for a connecting plug to penetrate is arranged in the nut body. The end of the passageway is expanded into a snap ring positioning cavity which can contain the snap ring. A snap ring limiting cavity which can block the snap ring so as to prevent the snap ring from sliding out of the snap ring positioning cavity when the snap ring slides to the end of the snap ring positioning cavity is formed in the end of the snap ring positioning cavity. By means of the connection piece, the insertion process of plug connectors can be stable and reliable, and the work efficiency of construction is improved.
Connection piece used for prefabricated member
ZHOU ZHAODI (author)
2015-11-11
Patent
Electronic Resource
English
IPC:
E02D
FOUNDATIONS
,
Gründungen
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