CN213578229U

CN213578229U - Shunt connecting pipe, shunt assembly and air conditioner of air conditioner

Info

Publication number: CN213578229U
Application number: CN202022844867.9U
Authority: CN
Inventors: 张晓东; 汪正傲; 李国成; 林东明; 龙韦韦
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-06-29
Anticipated expiration: 2030-12-01

Abstract

The utility model provides a shunt connecting pipe, reposition of redundant personnel subassembly and air conditioner of air conditioner. The diverter connecting pipe of the air conditioner comprises a pipe body and a sealing plate; the body is including setting up in the terminal vortex generation portion that extends, and the internal face of vortex generation portion forms the helicla flute, and the helicla flute extends along three-dimensional helix, is equipped with a plurality of spray holes on the shrouding, and the shrouding is fixed at the extension end of body, spray hole and the inside intercommunication of body. The reposition of redundant personnel subassembly includes shunt connecting pipe and shunt, and the air conditioner includes reposition of redundant personnel subassembly. The utility model discloses utilize the shunt connecting pipe to make the refrigerant become the vortex and improve the gas-liquid mixture effect, the special requirement is not done to the structure of complex shunt, and toper shunt or venturi shunt all can cooperate the use, has the characteristics that the commonality is strong, has still reduced the processing degree of difficulty and the manufacturing cost of shunt.

Description

Shunt connecting pipe, shunt assembly and air conditioner of air conditioner

Technical Field

The utility model relates to an air conditioning equipment technical field, concretely relates to shunt connecting pipe, reposition of redundant personnel subassembly and air conditioner of air conditioner.

Background

In the existing air conditioner, in order to divide the refrigerant into a plurality of branches and solve the problem of refrigerant flow distribution, a distribution assembly is arranged in the pipeline and comprises a distributor. One type of flow splitter that is known is a conical flow splitter that includes an inlet and a plurality of outlets disposed opposite the inlet and evenly arranged circumferentially. In order to improve the mixing effect of the flow divider on gas-liquid two-phase refrigerants, the inner wall surface of the flow divider is in a thread shape, or an inner pipeline part with a thread inner surface is additionally arranged in the flow divider, so that the refrigerants entering the flow divider become vortex flows to improve the gas-liquid mixing degree, and the problem of uneven liquid distribution of the flow divider is solved.

The existing flow distribution assembly has the problems of difficult processing and poor universality in a mode of arranging a thread on the inner wall of the flow divider or additionally arranging an inner pipeline part.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a can solve the refrigerant and divide the shunt connecting pipe of the air conditioner that uneven problem, processing are simple and the commonality is good.

A second object of the utility model is to provide a can solve the refrigerant and divide the reposition of redundant personnel subassembly of the air conditioner that uneven problem, processing are simple and the commonality is good.

A third object of the present invention is to provide an air conditioner which can solve the problem of uneven distribution of refrigerant, is simple to process and has good universality.

The utility model provides a first purpose of the diverter connecting pipe of the air conditioner, which comprises a pipe body and a sealing plate; the body is including setting up at its terminal vortex generation portion that extends, and the internal face of vortex generation portion forms the helicla flute, and the helicla flute extends along three-dimensional helix, is equipped with a plurality of spray holes on the shrouding, and the shrouding is fixed at the extension end of body, spray hole and the inside intercommunication of body.

It is visible by above-mentioned scheme, the utility model discloses utilize the cartridge to make the refrigerant that flows through become the vortex and improve the gas-liquid mixture effect to the vortex production portion in the shunt connecting pipe of shunt entry, a plurality of spray holes through the shrouding spray afterwards and go out, and last refrigerant gets into each shunt tubes from a plurality of exports uniformly. The utility model discloses do not do the special requirement to the structure of complex shunt, toper shunt or venturi shunt all can cooperate the use, have the characteristics that the commonality is strong, still reduced the processing degree of difficulty and the manufacturing cost of shunt.

Further, the vortex generating portion has a welding section having a complete circumferential surface along the circumferential direction of the pipe body.

From top to bottom, the purpose of setting up the welding section that has complete circumferential surface lies in, after shunt connecting pipe cartridge arrived the shunt, can be more favorable to carrying out the welding between shunt connecting pipe and the shunt, and guarantee welding quality and leakproofness.

The vortex generating part comprises a main acting section, a welding section and an inserting section which are sequentially connected in the extending direction of the pipe body, and the inserting section is closer to the extending tail end than the welding section in the extending direction; the helical grooves are distributed in the main action section.

As can be seen from the above, the vortex generating portion is adjacent to the extended end of the splitter connection tube, which has an insertion section for insertion into the splitter, which arrangement makes the installation between the splitter connection tube and the splitter more stable.

In a further proposal, the spiral grooves are also distributed in the insertion section and/or the welding section.

As can be seen from the above, this arrangement ensures the vortex forming effect by covering the spiral groove as much as possible on the inner surface of the vortex generating portion.

In a further aspect, the plurality of spray holes are arranged circumferentially of the closure plate.

From top to bottom, the arrangement mode adaptation in the shunt of spraying the hole, this setting can improve even minute liquid effect.

The further proposal is that the groove surface of the spiral groove is a cambered surface.

Therefore, the arrangement reduces the resistance of the inner wall surface of the connecting pipe to the high refrigerant, so that the refrigerant flows more smoothly and a vortex is easier to form.

Further, the pipe body further comprises a channel part communicated with the vortex generating part, and the inner wall surface of the channel part is a circumferential surface.

Further, the inner peripheral surface of the vortex flow generating part is provided with a spiral protrusion formed opposite to the spiral groove; the distance between the spiral protrusion and the central line of the pipe body is smaller than the radius of the channel part.

It can be seen from above that, the refrigerant flows through the channel part earlier, and then flows through the vortex generating part, and this setting makes the refrigerant enter the spiral groove after contacting with the spiral protrusion as far as possible, changes in forming the vortex.

The utility model provides a flow divider assembly of air conditioner, which comprises a flow divider and a flow divider connecting pipe, wherein the flow divider connecting pipe is connected to the refrigerant inlet of the flow divider; the shunt connecting pipe adopts the shunt connecting pipe.

The utility model discloses third purpose air conditioner includes the reposition of redundant personnel subassembly, and the reposition of redundant personnel subassembly adopts foretell reposition of redundant personnel subassembly.

Drawings

Fig. 1 is an exploded view of the shunt assembly of the present invention.

Fig. 2 is a cross-sectional view of an embodiment of the shunt assembly of the present invention.

Fig. 3 is a cross-sectional view of a diverter connecting tube in an embodiment of the diverter assembly of the present invention.

Detailed Description

Referring to fig. 1 and 2, fig. 1 is an exploded view of an embodiment of the shunt assembly of the present invention, and fig. 2 is a cross-sectional view of an embodiment of the shunt assembly of the present invention. The utility model provides an air conditioner includes indoor heat exchanger, outdoor heat exchanger, compressor and controller etc. and the air conditioner is still including connecting the pipeline between indoor heat exchanger room and outer heat exchanger, installs the reposition of redundant personnel subassembly on the pipeline, and the reposition of redundant personnel subassembly does the utility model discloses a reposition of redundant personnel subassembly, reposition of redundant personnel subassembly are used for refrigerant evenly distributed to root capillary at most, and the refrigerant flows into the heat exchanger through the capillary.

The utility model discloses a reposition of redundant personnel subassembly includes shunt connecting pipe 1, shunt 4 and capillary 5. The extended end of the splitter connecting pipe 1 is inserted into the inlet 401 of the splitter 4, and the capillary 5 is inserted into the outlet 402 of the splitter. The flow divider connecting pipe 1 is a refrigerant conveying pipe with a vortex generating effect and is made of a copper material. The flow divider 4 is a conical flow divider, and has an inlet 401 with a larger caliber and ten outlets 402 with a smaller caliber which are uniformly arranged along the circumferential direction of the flow divider 4, the flow divider 4 also has a flow dividing space 400 between the inlet 401 and the outlets 402 inside, the flow divider 4 is provided with a guiding cone table 41 in the flow dividing space 400, the guiding cone table 41 is positioned in the center of the outlets 402, the pointed convex part of the guiding cone table faces the inlet 401, and the refrigerant entering from the inlet 401 can enter the outlets 402 more smoothly under the guidance of the guiding cone table 41.

With reference to fig. 1 to 3, fig. 3 is a sectional view of a diverter connecting tube in an embodiment of the diverting assembly of the present invention. The flow divider connecting pipe 1 includes a pipe body 2 and a sealing plate 3. The pipe body 2 includes a passage portion 21 and a vortex flow generating portion 22 which are sequentially communicated in an extending direction thereof, the vortex flow generating portion 22 is closer to an extending tip 209 of the pipe body 2 than the passage portion 21, and the vortex flow generating portion 22 is provided at the extending tip 209. The inner wall surface of the passage portion 21 is a circumferential surface, and the radius of the inner wall surface of the passage portion 21 is r 1.

From the passage portion 21 to the extending tip 209, the vortex generating portion 22 includes a main acting section 221, a welding section 222, and an insertion section 223 that are communicated in this order. The primary action section 221 is for swirling the refrigerant, the welding section 222 is for welding with the flow divider 4, and the insertion section 223 is for insertion into the inlet 401 of the flow divider 4. The length of the primary action section 221 is a multiple of the sum of the lengths of the welding section 222 and the insertion section 223.

The inner wall surface of the vortex generating part 22 is provided with a spiral groove 23 extending along a three-dimensional spiral line, the groove surface of the spiral groove 23 is an inward concave arc surface, and the inner wall surface of the vortex generating part 22 forms a spiral protrusion 24 relative to the spiral groove 23. The spiral groove 24 entirely covers the inner wall surface of the main acting portion 221.

The welding segment 222 has a circumferential surface 229 which is complete in the circumferential direction of the tubular body 1, and the purpose of the welding segment 222 having the complete circumferential surface 229 is to facilitate the welding between the flow divider connecting tube 1 and the flow divider 4 after the insertion segment 223 is inserted into the inlet 401 of the flow divider 4, and to ensure the welding quality and the sealing performance.

The spiral grooves 23 are also distributed on the inner wall surfaces of the welding section 222 and the insertion section 223. Since the insertion section 223 is closest to the extending end 209, in order to ensure the formation effect of the vortex, the spiral grooves 23 extend along the same three-dimensional spiral line and are distributed on the inner wall surfaces of the welding section 222 and the welding section 223 and the insertion section 223. The spiral groove 23 distributed on the vortex generating portion 22 may be continuous or discontinuous, and two or more discontinuous extension sections in the spiral groove 23 extending along the same three-dimensional spiral line are all included in the protection scope of the present application.

In addition, the distance r2 between the spiral protrusion 24 and the center line of the tube body 2 is smaller than the radius r1 of the channel part 21, and since the refrigerant flows through the channel part 21 and then the vortex flow generating part 22, the refrigerant is in contact with the spiral protrusion 24 as much as possible and then enters the spiral groove 23.

The closure plate 3 may be welded to the extended end 209 of the tube 2 or may be secured to the extended end 209 of the tube 2 by a spin sealing process. Be provided with a plurality of spraying hole 31 on shrouding 3, spraying hole 31 is the capillary, and a plurality of spraying hole 31 evenly arranges and forms two ring array of inside and outside distribution along shrouding 3's circumference.

Referring to fig. 2, after the insertion section 223 is inserted into the inlet 401, the step 403 on the interior of the flow diverter 4 abuts against the closure plate 3 to limit the insertion of the insertion section 223 while the welding section 222 is located just above the inlet 401 of the flow diverter 4 to facilitate welding. The spray holes 31 communicate between the interior 200 of the pipe body 2 and the flow dividing space 400 of the flow divider 4.

The utility model discloses utilize the cartridge to make the refrigerant of flowing through become the vortex and improve the gas-liquid mixture effect to the vortex production portion 22 in the shunt connecting pipe 1 of shunt 4, a plurality of spray holes 31 through shrouding 3 spray afterwards and go out, and last refrigerant gets into each shunt tubes from a plurality of exports uniformly.

The utility model discloses a special requirement is not done to the structure of complex shunt to shunt connecting pipe 1, and toper shunt or venturi shunt all can cooperate the use, has the characteristics that the commonality is strong, has still reduced the processing degree of difficulty and the manufacturing cost of shunt.

In other embodiments, the helical groove may be disposed only on the primary active segment.

In other embodiments, the welding segment and the insertion segment are integrally formed and have complete circumferential surfaces.

In other embodiments, the cross-sectional profile of the helical groove is inverted trapezoidal.

Finally, it should be emphasized that the above-described embodiments are merely preferred examples of the present invention, and are not intended to limit the invention, as those skilled in the art will appreciate that various changes and modifications may be made, and any and all modifications, equivalents, and improvements made, while remaining within the spirit and principles of the present invention, are intended to be included within the scope of the present invention.

Claims

1. The shunt connecting pipe of the air conditioner comprises a pipe body;

the method is characterized in that:

the pipe body comprises a vortex generating part arranged at the extending tail end, a spiral groove is formed on the inner wall surface of the vortex generating part, and the spiral groove extends along a three-dimensional spiral line;

the shunt connecting pipe further comprises a sealing plate, a plurality of spraying holes are formed in the sealing plate, the sealing plate is fixed to the pipe body, the extending end of the pipe body is located, and the spraying holes are communicated with the inside of the pipe body.

2. The flow divider connection pipe of an air conditioner according to claim 1, wherein:

the vortex generating portion has a welding section having a complete circumferential surface along a circumferential direction of the pipe body.

3. The flow divider connection pipe of an air conditioner according to claim 2, wherein:

the vortex generating part comprises a main acting section, a welding section and an insertion section which are sequentially connected in the extending direction of the pipe body, and the insertion section is closer to the extending tail end than the welding section in the extending direction;

the helical grooves are distributed in the main action section.

4. The flow divider connection pipe of an air conditioner according to claim 3, wherein:

the spiral grooves are also distributed in the insertion section and/or the welding section.

5. The flow divider connecting pipe of an air conditioner according to any one of claims 1 to 4, wherein:

the plurality of spray holes are arranged along the circumference of the sealing plate.

6. The flow divider connecting pipe of an air conditioner according to any one of claims 1 to 4, wherein:

the groove surface of the spiral groove is an arc surface.

7. The flow divider connecting pipe of an air conditioner according to any one of claims 1 to 4, wherein:

the pipe body further comprises a channel part communicated with the vortex generating part, and the inner wall surface of the channel part is a circumferential surface.

8. The flow divider connection pipe of an air conditioner according to claim 7, wherein:

the inner circumferential surface of the vortex generating part is provided with a spiral protrusion formed opposite to the spiral groove;

the distance between the spiral protrusion and the central line of the pipe body is smaller than the radius of the channel part.

9. The flow divider assembly of the air conditioner comprises a flow divider and a flow divider connecting pipe, wherein the flow divider connecting pipe is connected to a refrigerant inlet of the flow divider;

the method is characterized in that:

the splitter connection pipe according to any one of claims 1 to 8.

10. Air conditioner, including reposition of redundant personnel subassembly, its characterized in that:

the flow distribution assembly of claim 9.