Preheater push rod sealing device and preheater
A sealing device and preheater technology, which is applied to the sealing of the engine, mechanical equipment, engine components, etc., can solve the problems that the gasket and the cover plate are not enough to realize the swing of the push rod at a certain inclination angle, and the cover plate is bent and deformed, so as to achieve Increase market competitiveness, prevent splashing out, and achieve good sealing performance
Active Publication Date: 2021-10-29
JIANGSU PENGFEI GROUP
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Problems solved by technology
[0006] The embodiment of the present application provides a preheater push rod sealing device and a preheater, which solve the problem that the relative sliding of the gasket and the cover plate in the prior art sealing device is not enough to realize the swing of the push rod at a certain inclination angle, resulting in the bending of the cover plate deformation problem
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[0034] In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.
[0035] In the first embodiment of the present application, figure 1 It is a schematic cross-sectional structure diagram of the preheater push rod sealing device according to the first embodiment of the present application. Such as figure 1 As shown, the preheater push rod sealing device 1 includes a preheater guard plate 2, a sealing gland 3, an elastic sealing ring 4 and a movable bushing 5, wherein:
[0036] The preheater guard plate 2 is mainly used for the installation and fixation of the preheater push rod sealing device 1 in the preheater; in this embodiment, there may be no special requirements for the structure of the preheater guard plate 2, refer to the technology in the art The normal selection of personnel is suff...
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The application relates to a preheater push rod sealing device and a preheater. The preheater push rod sealing device includes: a preheater guard plate; The adjacent surface of the preheater guard plate is provided with a movable sealing groove, and the bottom of the movable sealing groove is also provided with a movable sealing through hole and a sealing clamping groove, and the movable sealing through hole is located in the sealing clamping groove; one end of the elastic sealing ring is installed in the sealing groove. In the card slot; the movable bush has a sliding bottom plate and a connecting bush, the sliding bottom plate is arranged in the movable sealing groove, and the surface of the sliding bottom plate adjacent to the groove bottom of the movable sealing groove is provided with a movable sealing card groove corresponding to the sealing card groove, The other end of the elastic sealing ring is installed in the movable sealing slot, one end of the connecting bush is connected to the sliding bottom plate, and the other end of the connecting bush protrudes from the sealing gland through the movable sealing through hole. The overall structure of the present application is simple, the manufacturing and processing cycle is short, and the manufacturing cost is low, which reduces the production cost of the finished product.
Description
technical field [0001] The present application relates to a preheater, in particular to a preheater push rod sealing device and a preheater. Background technique [0002] Figure 7 It is a structural schematic diagram of the preheater push rod sealing device in the prior art. Such as Figure 7 As shown, the preheater push rod sealing device S in the prior art adopts a sealing cover S1 and a movable sealing structure S2 is added inside the sealing cover S1, and the sealing member S3 and the preheater guard plate S4 are fixed to form an integrated structure, and the sealing cover S1 is used. The internal sealing gasket structure S5 is integrated with a sliding moving part for the preheater push rod S6 to be used for sealing. [0003] In the process of implementing this application, the applicant found that there are two main problems in this structure according to the test results of market use: [0004] First, the existing sealing device mainly relies on the relative slidin...
Claims
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IPC IPC(8): F16J15/3248F16J15/3268F16J15/3284
CPCF16J15/3248F16J15/3268F16J15/3284
Inventor 冯苏周建益李海鹏崔蓉蓉刘建军周建平
Owner JIANGSU PENGFEI GROUP