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Inward recess preventing capillary tube capable of being fast installed

A capillary tube and internal thread technology, which is applied in the direction of fluid circulation arrangement, refrigeration components, refrigerators, etc., can solve the problem of inward depression of the capillary port part.

Inactive Publication Date: 2013-01-30
泰州市海陵区欧菱自动化设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the capillary tube is connected, the port of the capillary tube is located inside the port of other components, so it is subjected to pressure from the outside to the inside, and it is easy to form an inward depression at the port portion of the capillary tube.

Method used

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  • Inward recess preventing capillary tube capable of being fast installed

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Embodiment Construction

[0010] The following descriptions are only preferred embodiments of the present invention, and therefore do not limit the protection scope of the present invention.

[0011] Examples, see figure 1 As shown: the anti-sag quick-fit capillary includes a body 10 , and the port of the body 10 is provided with an internal thread 12 . In this way, when the capillary is connected to other components, the connection speed is faster due to the screw connection. At the same time, after the connection, the pressure on the port part is outward from the inside of the capillary, so that the port part of the capillary will not sink inward.

[0012] Optimally, the port portion of the body 10 is provided with an external flare 11 , and the internal thread 12 is located on the inner surface of the external flare 11 . The so-called outer flare 11 means that the inner diameter of this place is larger than the inner diameter of the body 10 . In this way, it is not only beneficial to the processi...

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Abstract

The invention discloses an inward recess preventing capillary tube capable of being fast installed. The inward recess preventing capillary tube comprises a body, and an inner thread is arranged on a port portion of the body; and optimally, an outer expanding port is arranged on the port portion of the body, and the inner thread is located on the inner surface of the outer expanding port. The inward recess preventing capillary tube capable of being fast installed has the advantages that on the premise that fast connection of the capillary tub is guaranteed, ports of the inward recess preventing capillary tube can be prevented from being inwards recessed.

Description

technical field [0001] The invention relates to the technical field of air-conditioning components, in particular to an anti-invasion quick-install capillary. Background technique [0002] Capillary is an important part of air conditioning regulation and pressure reduction. The capillary is mostly made of a copper tube with a diameter not exceeding 6mm, or it can be made of other materials. Their common feature is thin and thin wall (the wall thickness generally does not exceed 0.9mm). When the capillary is connected to other components, it is usually welded, and welding is likely to cause defects such as capillary wall burn-through and inner cavity blockage, which not only wastes the capillary, but also slows down the connection speed. Therefore, the present inventors thickened the port of the capillary and provided an external thread on the port, thereby replacing the welding with screwing, thereby avoiding the blockage and burning of the capillary. However, when the ca...

Claims

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Application Information

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IPC IPC(8): F25B41/06
Inventor 顾仁华
Owner 泰州市海陵区欧菱自动化设备有限公司
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