Pipeline device for car air conditioning system

A technology for automotive air-conditioning systems and pipelines, applied in the direction of pipes/pipe joints/fittings, sockets/sockets, passing components, etc., can solve problems such as easy damage, hidden environmental hazards, and difficult operation, and reduce manpower , Avoid uneven glue application and reduce failure rate

Inactive Publication Date: 2016-10-12
SHANGHAI KUFENG AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, the present invention can effectively avoid the problems of traditional smearing process, such as high requirements, difficult operation, environmental protection hazards and easy damage, thereby further improving production efficiency

Method used

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  • Pipeline device for car air conditioning system
  • Pipeline device for car air conditioning system
  • Pipeline device for car air conditioning system

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Embodiment Construction

[0030] The specific implementation of the pipeline device for the automobile air-conditioning system provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0031] see figure 2 and image 3 , In one embodiment of the present invention, a pipeline device for an automobile air-conditioning system is provided, which includes: a metal tube 210 , a rubber tube 220 and a metal buckle sleeve 230 . The metal tube 210 , the rubber tube 220 and the metal buckle sleeve 230 are generally in the shape of a circular tube.

[0032] The metal tube 210 includes a metal tube body 211 and an extension 212 connected to the metal tube body 211 . The extension part 212 extends along the axial direction of the metal pipe body 211, and the intersection of the metal pipe body 211 and the extension part 212 forms a stepped surface 215, and the outer diameter D1 of the extension part 212 is smaller than the The outer diameter D2 of the met...

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PUM

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Abstract

The invention provides a pipeline device for a car air conditioning system. The pipeline device comprises a metal pipe, a rubber pipe and a metal pressing sleeve; the metal pipe comprises a metal pipe body and an extension part connected with the metal pipe body, the extension part extends in the axial direction of the metal pipe body, the intersection of the metal pipe body and the extension part forms a step surface, and the outer diameter of the extension part is smaller than that of the metal pipe body; the rubber pipe wraps the outer circumferential surface of the extension part; the inner circumferential surface of the metal pressing sleeve is pressed on the outer circumferential surface of the rubber pipe, one open end of the metal pressing sleeve is provided with a bent part which is bent towards the extension part, the first surface of the bent part is attached to the outer circumferential surface of the extension part, a sealing groove is formed in the outer circumferential surface of the extension part, a sealing ring is arranged in the sealing groove, and the sealing ring is used for making the metal pipe and the rubber pipe sealed in the radial direction.

Description

technical field [0001] The invention relates to the technical field of auto parts, in particular to a pipeline device for an auto air-conditioning system. Background technique [0002] At present, the flexible connection method of automobile air-conditioning pipelines usually adopts crimping connection between rubber tubes and metal tubes, and the sealing method generally uses sealant on the surface of metal tubes or rubber tubes with sealing layers for sealing. see Figure 1A to Figure 1C As shown, the rubber tube 120 is sleeved on the metal tube 110, that is, the inner peripheral surface of the rubber tube 120 covers the outer peripheral surface of the metal tube 110, and a metal buckle sleeve is provided on the outer peripheral surface of the rubber tube 120. 130, so that the connection between the rubber tube 120 and the metal tube 110 is tighter. The crimping and fixing process used in the industry often adopts the limit groove 111 for fixing, and the limit groove 111 ...

Claims

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Application Information

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IPC IPC(8): F16L21/08
CPCF16L21/08
Inventor 徐玉辉侯庆亮谢燕
Owner SHANGHAI KUFENG AUTO PARTS
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