CN215213955U - Rotor compressor connection structure that breathes in - Google Patents
Rotor compressor connection structure that breathes in Download PDFInfo
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- CN215213955U CN215213955U CN202121597021.8U CN202121597021U CN215213955U CN 215213955 U CN215213955 U CN 215213955U CN 202121597021 U CN202121597021 U CN 202121597021U CN 215213955 U CN215213955 U CN 215213955U
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Abstract
The utility model discloses a rotor compressor suction connecting structure, which comprises a suction hole arranged on a cylinder, a shell connecting pipe arranged on a shell, and a reservoir bent pipe with one end connected with a reservoir; one end of the air inlet connecting pipe is a connecting head part, and the other end of the air inlet connecting pipe is a connecting tail part; the connecting head is pressed into the air suction hole in an interference fit manner, the connecting tail is arranged in the shell connecting pipe, the other end of the liquid reservoir bent pipe is arranged in the connecting tail, the connecting tail extends out of the free end of the shell connecting pipe, and the extending part is arranged in an outward expanding horn shape; the outer peripheral wall of the extending part and one end of the shell connecting pipe positioned outside the shell are in sealing butt joint; one end of the liquid storage device elbow is arranged in a necking shape. The extending part of the utility model is arranged in an outward expanding horn shape, which ensures that the welding flux can not permeate into the shell to pollute the refrigerant and the refrigerator oil; reservoir return bend one end is the throat form setting, ensures closely to cooperate between air inlet connection pipe and the reservoir return bend, and the solder can not enter into inside the cylinder through the gap.
Description
Technical Field
The utility model belongs to the technical field of compressor structure, concretely relates to rotor compressor connection structure that breathes in.
Background
The shell, the liquid reservoir and the cylinder of the existing rotary compressor are connected through an air inlet connecting pipe. For example, patent application No. 200710003004.5 discloses a fully enclosed compressor suction pipe connection mechanism, as shown in fig. 1, the head of the air inlet connection pipe 3 is press-fitted with the suction hole of the cylinder 1; the inner diameter of the shell connecting pipe 2 is in clearance fit with the outer diameter of the tail part of the air inlet connecting pipe 3, and then the shell connecting pipe is sealed by brazing. The outer diameter of the reservoir elbow 4 is in clearance fit with the inner diameter of the air inlet connecting pipe 3, and then is sealed by brazing.
The above-mentioned content has the defect, and the cooperation is more complicated between four, for clearance fit between air inlet connection pipe 3, casing connecting pipe 2 and the reservoir return bend 4, and the pipe connection position can have the fit clearance, and when the pipe connection position need sealed brazing, the solder permeates inside 5 or the cylinder 1 through the fit clearance easily, and then causes the compressor card to die.
Disclosure of Invention
The utility model aims at providing a rotor compressor connection structure that breathes in to the problem that prior art exists.
In order to achieve the above object, the utility model adopts the following technical scheme:
a rotor compressor air suction connecting structure comprises an air suction hole arranged on an air cylinder, a shell connecting pipe arranged on a shell, an air inlet connecting pipe and a liquid storage device bent pipe, wherein one end of the liquid storage device bent pipe is connected with a liquid storage device; one end of the air inlet connecting pipe is a connecting head part, and the other end of the air inlet connecting pipe is a connecting tail part; the connecting head is pressed into the air suction hole in an interference fit mode, the connecting tail is arranged in the shell connecting pipe, and the other end of the liquid storage device bent pipe is arranged in the connecting tail. The connecting tail part extends out from one end of the shell connecting pipe, which is positioned outside the shell, and the extending part is arranged in an outward expanding horn shape; the outer peripheral wall of the extending part and one end of the shell connecting pipe, which is positioned outside the shell, are in sealing butt joint; the reservoir elbow is arranged one end of the connection tail part is in a necking shape.
The utility model discloses an it is outer to expand loudspeaker form setting to stretch out the position, and stretch out the position periphery wall with sealed butt between the casing connecting pipe, can guarantee like this stretch out the position with the casing connecting pipe is when the welding, and the solder can not permeate through gap between the two inside the casing, pollute refrigerant and refrigerator oil. In addition, the reservoir return bend sets up the one end of connecting the afterbody is the throat form and sets up, and the throat form sets up and can ensure the connecting pipe that admits air with closely cooperate between the reservoir return bend the connecting pipe that admits air with during both welds of reservoir return bend, the solder can not enter into through the gap between the two inside the cylinder to cause the card of compressor to die.
Further, the inner diameter of the shell connecting pipe is matched with the outer diameter of the connecting tail part; the inner diameter of the connecting tail part is matched with the outer diameter of the liquid storage device bent pipe. Therefore, the shell connecting pipe can be ensured to be connected between the tail parts, the tail parts are tightly attached to the liquid storage device bent pipe, no gap exists, and solder is prevented from entering the shell and the inside of the cylinder from the gap.
Furthermore, the length of the extending part is 1 mm-5 mm.
Furthermore, the outward expansion angle of the extending part is 15-60 degrees. The extending part outward-expanding angle is an included angle between the extending part and the pipe body of the air inlet connecting pipe.
Furthermore, the connection tail part is in brazing sealing with the shell connection pipe, and the connection tail part is in brazing sealing with the reservoir bent pipe.
Furthermore, the extending part and the pipe body of the air inlet connecting pipe are in arc transition or bevel transition.
Furthermore, the one end that reservoir return bend throat form set up is the throat end, the throat end with the transition department between the pipe shaft of reservoir return bend is first transition department, first transition department with stretch out the sealed butt of position inside wall. Through the design, when the liquid accumulator elbow is welded with the air inlet connecting pipe, solder cannot enter the air inlet connecting pipe along a gap between the first transition part and the inner side wall of the extending part, and then enters the air cylinder.
Compared with the prior art, the beneficial effects of the utility model are that: the extending part of the utility model is arranged in an outward-expanding horn shape, and the outer peripheral wall of the extending part is in sealing butt joint with the shell connecting pipe, so that when the extending part is welded with the shell connecting pipe, solder cannot permeate into the shell through the gap between the extending part and the shell connecting pipe to pollute refrigerant and refrigerator oil; (II) the utility model discloses reservoir return bend one end is the throat form and sets up, and the throat form sets up and can ensure inlet connection pipe with closely cooperate between the reservoir return bend inlet connection pipe with both during the welding of reservoir return bend, the solder can not enter into through the gap between the two inside the cylinder to cause the card of compressor to die.
Drawings
FIG. 1 is a schematic view of a suction connection structure of a rotor compressor in the prior art;
FIG. 2 is a schematic structural view of the rotor compressor of the present invention;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic view of the structure of the air inlet connection pipe of the present invention;
in the figure: 1. a cylinder; 2. a housing connection pipe; 3. an air inlet connecting pipe; 4. a reservoir elbow; 5. a housing; 6. a reservoir; 7. a connecting head; 8. connecting the tail part; 9. an extended portion; 10. a necking end; 11. a first transition.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 2, fig. 3, and fig. 4: the embodiment provides a rotor compressor connection structure that breathes in, including setting up the suction hole on cylinder 1, setting up casing connecting pipe 2, the air inlet connection pipe 3 on casing 5, reservoir return bend 4 that one end is connected with reservoir 6. The cylinder 1 is disposed inside the housing 5. The reservoir is located outside the housing 5.
One end of the air inlet connecting pipe 3 is connected with a head part 7, and the other end is connected with a tail part 8. The connecting head part 7 is pressed into the air suction hole in an interference fit mode, the connecting tail part 8 is arranged in the shell connecting pipe 2, and the other end of the liquid storage device bent pipe 4 is arranged in the connecting tail part 8. The connection tail part 8 and the shell connecting pipe 2 are in brazing sealing, and the connection tail part 8 and the liquid storage device bent pipe 4 are in brazing sealing.
The inner diameter of the shell connecting pipe 2 is matched with the outer diameter of the connecting tail part 8; the inner diameter of the connecting tail part 8 is matched with the outer diameter of the reservoir elbow 4. Therefore, the shell connecting pipe 2 and the connecting tail part 8 can be ensured to be tightly attached to the liquid storage device elbow 4, no gap exists, and solder is prevented from entering the shell 5 and the inside of the cylinder 1 from the gap.
However, in practical use, there are still gaps between the connection tail portion 8 and the housing connection tube 2, and between the connection tail portion 8 and the reservoir elbow 4, and during soldering, a small amount of solder can enter the housing 5 and the inside of the cylinder 1 through the gaps.
Therefore the utility model discloses improve to this kind of defect, connection afterbody 8 is followed casing connecting pipe 2 is located the one end in the casing 5 outside is stretched out, stretches out position 9 and is the flaring horn shape setting outward.
As shown in fig. 4, the length of the extending part 9 is indicated by L in the figure, and the length is 1 mm-5 mm; the outward expansion angle of the extending part 9 is represented by alpha in the figure, and the angle is 15-60 degrees. The outward-expanding angle of the extending part 9 is an included angle between the extending part 9 and the pipe body of the air inlet connecting pipe 3.
As shown in fig. 3, the outer peripheral wall of the protruding portion 9 and one end of the housing connecting pipe 2 located outside the housing 5 are in sealing contact with each other; the reservoir elbow 4 is arranged at one end of the connection tail part 8 and is arranged in a necking shape.
The utility model discloses a stretch out position 9 and be the setting of flaring loudspeaker form outward, and stretch out position 9 periphery wall with sealed butt between the casing connecting pipe 2 can guarantee like this stretch out position 9 with casing connecting pipe 2 is when the welding, and the solder can not permeate through the gap between the two inside 5 inside, pollute refrigerant and refrigerator oil. In addition, reservoir return bend 4 sets up the one end of connecting afterbody 8 is the throat form and sets up, and the throat form sets up and can ensure air inlet connection pipe 3 with closely cooperate between reservoir return bend 4 air inlet connection pipe 3 with during the welding of both reservoir return bend 4, the solder can not enter into through the gap between the two inside cylinder 1 to cause the card of compressor to die.
Furthermore, the protruding portion 9 and the pipe body of the air inlet connecting pipe 3 are in arc transition or bevel transition. As shown in fig. 4, in this embodiment, the extending portion 9 is in angular transition with the tube body of the air inlet connecting tube 3
Further, one end of the reservoir elbow 4, which is in a shape of a throat, is a throat end 10, a transition position between the throat end 10 and the pipe body of the reservoir elbow 4 is a first transition position 11, and the first transition position 11 is in sealing abutment with the inner side wall of the extending position 9. Through the design, when the reservoir elbow 4 is welded with the air inlet connecting pipe 3, solder cannot enter the air inlet connecting pipe 3 along a gap between the first transition part 11 and the inner side wall of the extending part 9, and then enters the air cylinder 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A rotor compressor air suction connecting structure comprises an air suction hole arranged on an air cylinder, a shell connecting pipe arranged on a shell, an air inlet connecting pipe and a liquid storage device bent pipe, wherein one end of the liquid storage device bent pipe is connected with a liquid storage device; one end of the air inlet connecting pipe is a connecting head part, and the other end of the air inlet connecting pipe is a connecting tail part; the connecting head is pressed into the air suction hole in an interference fit mode, the connecting tail is arranged in the shell connecting pipe, and the other end of the liquid storage device bent pipe is arranged in the connecting tail; the outer peripheral wall of the extending part and one end of the shell connecting pipe, which is positioned outside the shell, are in sealing butt joint; the reservoir elbow is arranged one end of the connection tail part is in a necking shape.
2. The rotary compressor suction connection structure as claimed in claim 1, wherein an inner diameter of the housing connection pipe is adapted to an outer diameter of the connection tail portion; the inner diameter of the connecting tail part is matched with the outer diameter of the liquid storage device bent pipe.
3. The suction connection structure of the rotary compressor according to claim 1, wherein the length of the protruding portion is 1mm to 5 mm.
4. The rotary compressor suction connection structure as claimed in claim 1, wherein the outward expansion angle of the protruding portion is 15 ° to 60 °.
5. The rotorcraft compressor suction connection of claim 1, wherein the connection tail is brazed to the casing connection tube and the reservoir elbow.
6. The rotary compressor suction connection structure according to claim 1, wherein the protruding portion is in arc transition or bevel transition with the tube body of the inlet connection tube.
7. The turbocompressor suction connection structure according to claim 1, wherein the end of the reservoir elbow that is arranged in a constricted shape is a constricted end, and the transition between the constricted end and the tube body of the reservoir elbow is a first transition that is in sealing abutment with the inner side wall of the protruding portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121597021.8U CN215213955U (en) | 2021-07-14 | 2021-07-14 | Rotor compressor connection structure that breathes in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121597021.8U CN215213955U (en) | 2021-07-14 | 2021-07-14 | Rotor compressor connection structure that breathes in |
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| Publication Number | Publication Date |
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| CN215213955U true CN215213955U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121597021.8U Active CN215213955U (en) | 2021-07-14 | 2021-07-14 | Rotor compressor connection structure that breathes in |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324900A (en) * | 2022-09-15 | 2022-11-11 | 西安庆安制冷设备股份有限公司 | Air suction structure of compressor and compressor system |
-
2021
- 2021-07-14 CN CN202121597021.8U patent/CN215213955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324900A (en) * | 2022-09-15 | 2022-11-11 | 西安庆安制冷设备股份有限公司 | Air suction structure of compressor and compressor system |
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