Composite flange structure
A technology of composite flange and main flange, applied in the direction of flange connection, pipe/pipe joint/pipe fitting, passing element, etc., can solve the problem of inappropriate nut, ignoring flange connection bolt anti-fall, inappropriate equipment It can not be repaired in time and other problems, so as to achieve the effect of convenient connection and operation and simple overall structure.
Active Publication Date: 2017-12-22
四川长虹空调有限公司
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Problems solved by technology
At present, the commonly used flanges do not consider the problem of preventing the flange connection bolts from falling during the connection and installation process, which is not suitable for occasions where the drop of some small parts will affect other equipment; at the same time, the commonly used All flange connections are realized by bolts and nuts pressing the flanges to achieve connection or sealing, which is not suitable for narrow spaces where nuts are difficult to assemble; moreover, for multiple devices connected in parallel through pipelines, the current non-configured intermediate plate is used The flange assembly, the damage of a single piece of equipment will affect the operation of other equipment, it is not suitable for occasions where the equipment cannot be repaired in time, and a certain amount of space is required if valves such as gate valves are used
Method used
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Embodiment Construction
[0018] Such as Figure 1 to Figure 6 Shown is a composite flange structure provided by the present invention, which is simple in structure, convenient in installation and operation, and suitable for use in narrow spaces. The composite flange structure includes a connecting bolt 1, a main flange 2 and a secondary flange 3, and the main flange 2 and the secondary flange 3 are connected as a whole through the connecting bolt 1 , the connecting bolt 1 is composed of a single-headed stud that contains a polished rod section 4, and the main flange 2 is provided with a threaded hole 5 that is compatible with the connecting thread of the single-ended stud. The secondary flange 3 is provided with a single-head stud through hole 6, and the main flange 2 and the secondary flange 3 pass through the single-head stud through the hole 6 and the threaded hole 5 is connected as a whole with the matching connection of the single head stud. By modifying the connecting bolt 1 to a single-headed...
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The invention discloses a composite flange structure and belongs to the technical field of design and manufacturing of pipeline connection equipment. The invention provides the composite flange structure which is simple in structure, convenient to install and operate and suitable for being used in a narrow and small space. The composite flange structure comprises a connecting bolt, a main flange plate and a secondary flange plate, wherein the main flange plate and the secondary flange plate are integrally connected to form a whole body through the connecting bolt; the connecting bolt is composed of a single-end stud comprising a polish rod segment; the main flange plate is provided with a threaded hole matched with connecting threads of the single-end stud; the secondary flange plate is provided with a single-end stud passing hole; the main flange plate and the secondary flange plate are integrally connected to form a whole body by matched connection of the single-end stud passing hole, the threaded hole and the single-end stud.
Description
technical field [0001] The invention relates to a composite flange structure, which belongs to the technical field of design and manufacture of pipeline connection equipment. Background technique [0002] As a connection and fixing device, flanges are widely used in pipeline connection and pressure equipment sealing, etc. The connection of pipelines and the sealing of containers are realized through a pair of flanges that cooperate with each other. At present, the commonly used flanges do not consider the problem of preventing the flange connection bolts from falling during the connection and installation process, which is not suitable for occasions where the drop of some small parts will affect other equipment; at the same time, the commonly used All flange connections are realized by bolts and nuts pressing the flanges to achieve connection or sealing, which is not suitable for narrow spaces where nuts are difficult to assemble; moreover, for multiple devices connected in ...
Claims
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IPC IPC(8): F16L23/036F16L23/18
CPCF16L23/036F16L23/18
Inventor 陈召强
Owner 四川长虹空调有限公司