Auxiliary seal device for pipeline connection portion
A technology for sealing devices and connecting parts, which is applied in the direction of engine components, piston rings, mechanical equipment, etc., can solve problems such as difficult sealing connections, achieve good guiding effects, facilitate installation, and improve applicability
Inactive Publication Date: 2018-05-25
天津市忠利天成阀门有限公司
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Problems solved by technology
For the case where there is a variable diameter of the installation pipeline, it is difficult to achieve a sealed connection through the traditional rubber gasket
Method used
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Embodiment Construction
[0020] In order to better understand the present invention, the present invention will be further described below in conjunction with specific embodiments and accompanying drawings.
[0021] Such as Figure 1-3 As shown, an auxiliary sealing device for pipeline connections includes a gasket body 2, a through hole is opened in the center of the gasket body 2, and the gasket body 2 includes an upper mounting end and a lower mounting end with the same structure. Mount side. A first protrusion 2.1, a second protrusion 2.2 and a third protrusion 2.3 arranged coaxially with the through hole are sequentially provided on the end surface of the upper mounting end of the gasket body 2 from outside to inside. A gap for accommodating the pipe wall is provided among the first protrusion 2.1, the second protrusion 2.2 and the third protrusion 2.3. The upper mounting end and the lower mounting end of the sealing gasket body 2 are respectively provided with elastic sealing sleeves 1 .
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The invention provides an auxiliary seal device for a pipeline connection portion. The auxiliary seal device for the pipeline connection portion comprises a seal gasket body. The center of the seal gasket body is provided with a through hole. The seal gasket body comprises an upper installation end and a lower installation end which are identical in structure. The end face of the upper installation end of the seal gasket body is sequentially provided with a first protrusion, a second protrusion and a third protrusion from outside to inside, wherein the first protrusion, the second protrusion and the third protrusion are coaxial with the through hole, and seams for containing a pipe wall are arranged among the first protrusion, the second protrusion and the third protrusion. The upper installation end and the lower installation end of the seal gasket body are each sleeved with an elastic seal sleeve. The auxiliary seal device for the pipeline connection portion has the beneficial effects that due to the arrangement of the multiple protrusions in the design, the seal gasket body can be applied to pipelines of different calibers; since, the upper end and the lower end of the seal gasket body are identical in structural design, the auxiliary seal device can be used for not only sealed connection of the reducing portions of the pipelines but also connection of conventional pipelines, and the applicability of the seal gasket body is greatly improved due to the design.
Description
technical field [0001] The invention relates to the technical field of rubber products, in particular to an auxiliary sealing device for a pipeline connection part. Background technique [0002] In pipeline connection, the degree of sealing performance of adjacent pipeline joints has a great influence on whether the pipeline can smoothly transport solids, liquids or gases. The traditional sealing connection parts are rubber gaskets. Because the structure of the rubber gasket is too simple, it can only provide a certain sealing connection effect between two pipes with similar pipe diameters. For the situation that there is a diameter change in the installation pipeline, it is difficult to realize the airtight connection through the traditional rubber gasket. [0003] It can be seen that how to develop an auxiliary sealing device for the pipeline connection, which can satisfy the sealing connection design of the pipe fittings in the pipeline installation, is a problem to be ...
Claims
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IPC IPC(8): F16J9/20F16J9/28
CPCF16J9/20F16J9/28
Inventor 陈忠利
Owner 天津市忠利天成阀门有限公司