Pipeline assembly and air conditioning system
AssigneesGd Midea Heating & Ventilating Equipment Co., Ltd., Hefei Midea Heating & Ventilating Equipment Co., Ltd.
InventorsDanfeng Long, Yandong Wu, Tiegang Zhang, Min Zhong
Life of this patent
Estimating the term…
Abstract
A pipeline assembly and an air conditioning system. The pipeline assembly includes a first steel pipe, a second steel pipe, a first copper sleeve and a second copper sleeve, wherein the first copper sleeve is fixed at an end of the first steel pipe, and the first copper sleeve includes a first section sleeved on the periphery of the first steel pipe and a second section extending beyond the end of the first steel pipe; the second copper sleeve is fixed at an end of the second steel pipe, and the second copper sleeve is sleeved on the peripheral side of the second steel pipe; and the second section and at least part of the second copper sleeve are sleeved with and welded to each other.
Claims17
A pipeline assembly, comprising:
- a first steel pipe;
- a second steel pipe;
- a first copper sleeve;
- and
- a second copper sleeve,
- wherein the first copper sleeve is fixed on an end of the first steel pipe and comprises a first section sheathing a periphery of the first steel pipe and a second section extending beyond the end of the first steel pipe, the second copper sleeve is fixed on an end of the second steel pipe and sheathes a periphery of the second steel pipe, the second section sheathes at least part of the second copper sleeve by welding;
- wherein the second copper sleeve comprises a third section and a fourth section, wherein a periphery of the third section is sheathed by the second section, and the fourth section is exposed to an outside;
- wherein the fourth section has a length L1 along an axial direction of the second copper sleeve, wherein 5 mm≤L1≤30 mm;
- wherein the first copper sleeve has a pipe wall thickness t1, the second copper sleeve has a pipe wall thickness t2, 1 mm≤t1≤2 mm, 0.3 mm≤t2≤0.8 mm, and the pipe wall thickness t1 is larger than the pipe wall thickness t2.
An air conditioning system, comprising;
- a pipeline assembly, comprising:
- a first steel pipe;
- a second steel pipe;
- a first copper sleeve;
- and
- a second copper sleeve,
- wherein the first copper sleeve is fixed on an end of the first steel pipe and comprises a first section sheathing a periphery of the first steel pipe and a second section extending beyond the end of the first steel pipe, the second copper sleeve is fixed on an end of the second steel pipe and sheathes a periphery of the second steel pipe, the second section sheathes at least part of the second copper sleeve by welding;
- wherein the second copper sleeve comprises a third section and a fourth section, wherein a periphery of the third section is sheathed by the second section, and the fourth section is exposed to an outside;
- wherein the fourth section has a length L1 along an axial direction of the second copper sleeve, wherein 5 mm≤L1≤30 mm;
- wherein the first copper sleeve has a pipe wall thickness t1, the second copper sleeve has a pipe wall thickness t2, 1 mm≤t1≤2 mm, 0.3 mm≤t2≤0.8 mm, and the pipe wall thickness t1 is larger than the pipe wall thickness t2.
Dependencies are inferred from the claim text.