Accumulator and air conditioning system

Abstract

An accumulator and air conditioning system comprising: a cylindrical body (10) having a containment chamber (11), which is retractable and has a first reduced diameter segment (12) and a second reduced diameter segment (13) formed therein, with a first mounting hole (14) drilled in the first reduced diameter segment (12) and a second mounting hole (15) drilled in the second reduced diameter segment (13); an intake pipe (30) welded to the first mounting hole (14); and an exhaust pipe group (40) welded to the second mounting hole (15) and having a first branch passage (427) and a second branch passage (428) formed therein.

Claims

1. A cylindrical body, integrally molded, having a housing chamber, wherein both ends along its axis are contracted relative to the axis of the cylindrical body to form a first reduced-diameter segment and a second reduced-diameter segment, respectively, the first reduced-diameter segment having a first mounting hole communicating with the housing chamber, and the second reduced-diameter segment having a second mounting hole communicating with the housing chamber, An intake pipe, at least a portion of which enters the housing chamber through the first mounting hole and is welded to the first mounting hole, An accumulator including a group of exhaust pipes inserted into and welded to the second mounting hole, one end of which communicates with the housing chamber, and the other end of which a first branch passage and a second branch passage are formed outside the housing chamber.

2. The cylindrical body has a positioning mounting segment that protrudes outward along its radial direction, the positioning mounting segment is located between the first diameter reduction segment and the second diameter reduction segment, the first diameter reduction segment includes a first tapered transition segment and a first straight pipe segment, and the first mounting hole is provided in the first straight pipe segment. and / or the second diameter reduction segment includes a second tapered transition segment and a second straight pipe segment, and the second mounting hole is provided in the second straight pipe segment, according to claim 1.

3. The accumulator according to claim 1, wherein the exhaust pipe group includes a connecting pipe and a separatory pipe communicating with each other, the connecting pipe is located inside the containment chamber and welded to the second mounting hole, the separatory pipe is located outside the containment chamber and the first branch and the second branch are formed in the separatory pipe.

4. The accumulator according to claim 3, wherein the liquid separator includes a main pipe, a first exhaust pipe, and a second exhaust pipe, which are integrally molded and provided, the main pipe and the connecting pipe have the same direction of extension, the first exhaust pipe is connected to the side wall of the main pipe to form the first branch passage, and the second exhaust pipe is connected to one end of the main pipe away from the connecting pipe to form the second branch passage.

5. The connecting pipe and the separatory pipe are integrally molded, and / or the separatory pipe includes a separatory head, a first exhaust pipe and a second exhaust pipe, the separatory head is integrally molded with the connecting pipe, and a first and second diversion port are drilled at one end of the separatory head away from the connecting pipe, the first exhaust pipe is inserted into the first diversion port and welded so as to communicate with the separatory head and form the first branch passage, and the second exhaust pipe is inserted into the second diversion port and welded so as to communicate with the separatory head and form the second branch passage. and / or, a positioning mounting segment is provided at the connection point between the connecting pipe and the main pipe, and the outer diameter of the positioning mounting segment is larger than the outer diameter of the connecting pipe and the outer diameter of the main pipe, respectively. The positioning mounting segment is inserted into the second mounting hole and connected to the second mounting hole. and / or, one end of the first exhaust pipe away from the main pipe is bent toward one side of the main pipe, and the second exhaust pipe includes a straight pipe segment and a curved pipe segment, the straight pipe segment extending along the axial direction of the main pipe, and the curved pipe segment located at one end of the straight pipe segment away from the first exhaust pipe such that the first exhaust pipe and the curved pipe segment are offset along the axial direction of the main pipe, The accumulator according to claim 4, wherein the bending angle of the first exhaust pipe with respect to the axis of the main pipe is the same as the bending angle of the curved pipe segment with respect to the axis of the main pipe.

6. The end of the main pipe that is away from the second exhaust pipe is inserted into the connecting pipe and welded to the port of the connecting pipe. and / or, the accumulator according to claim 4, wherein the separatory pipe includes a separatory head, a first exhaust pipe, and a second exhaust pipe, one end of the separatory head is inserted into and welded to the connecting pipe, and a first diversion port and a second diversion port are drilled at the other end, the first exhaust pipe is inserted into and welded to the first diversion port and communicates with the separatory head to form the first branch path, and the second exhaust pipe is inserted into and welded to the second diversion port and communicates with the separatory head to form the second branch path.

7. The accumulator according to claim 1, further comprising a filter, the filter being mounted in the containment chamber and positioned between the intake pipe and the exhaust pipe group, and the outer wall of the filter being locked-engaged with the inner wall of the cylindrical body.

8. The accumulator according to claim 3, wherein a buffer chamber is provided at the point where the flow is divided between the first branch and the second branch, and the cross-sectional area of ​​the buffer chamber tends to increase in the direction from the connecting pipe to the liquid separator pipe.

9. The accumulator according to claim 3, wherein the separatory pipe includes a main pipe and a separatory head, the main pipe is provided closer to the connecting pipe than the separatory head, the cross-sectional area of ​​the separatory head is larger than the cross-sectional area of ​​the main pipe, and both the first branch and the second branch are provided at the separatory head.

10. The accumulator according to claim 8, wherein the first branch and the second branch each have an opening at one end away from the main pipe, and a first exhaust pipe and a second exhaust pipe are inserted into the two openings, respectively.

11. The accumulator further includes a connecting cover plate, a first exhaust pipe, and a second exhaust pipe, wherein the connecting cover plate is fitted to one end of the separatory head away from the main pipe and connected to the separatory head. The connecting cover plate is provided with a first assembly hole that communicates with the first branch line, and the first exhaust pipe is inserted into the first assembly hole and connected to the connecting cover plate. The connecting cover plate is provided with a second assembly hole that communicates with the second branching path, and the second exhaust pipe is inserted into the second assembly hole and connected to the connecting cover plate. The accumulator according to claim 3, wherein the first assembly hole is arranged to face a flange hole extending adjacent to the first branch, and the second assembly hole is arranged to face a flange hole extending adjacent to the second branch.

12. The connecting pipe is inserted into the second mounting hole and connected to the second mounting hole, and the connecting pipe is fitted around the outer circumference of one end of the liquid separator and connected to the liquid separator. The accumulator according to claim 8, wherein the connecting pipe includes a first segment and a second segment, the second segment is used to connect the liquid separator, the outer diameter of the second segment is larger than the outer diameter of the first segment, the mounting hole is provided with a flange structure corresponding to the second segment and extending toward the containment chamber, and the second segment is connected to the flange structure.

13. A backflow hole is drilled in the side wall of the connecting pipe, and the backflow hole communicates with the containment chamber. The accumulator according to claim 3, wherein the number of backflow holes is multiple, the multiple backflow holes are spaced apart along the axial direction of the connecting pipe, and the diameter of the backflow holes tends to decrease along the direction from the connecting pipe to the liquid separator pipe.

14. An air conditioning system comprising a compressor and an accumulator according to any one of claims 1 to 13, wherein the first branch and the second branch each communicate with the compressor.

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