CN110645741B - Enthalpy-increasing pipeline of compressor and assembling method thereof - Google Patents
Enthalpy-increasing pipeline of compressor and assembling method thereof Download PDFInfo
- Publication number
- CN110645741B CN110645741B CN201910777341.2A CN201910777341A CN110645741B CN 110645741 B CN110645741 B CN 110645741B CN 201910777341 A CN201910777341 A CN 201910777341A CN 110645741 B CN110645741 B CN 110645741B
- Authority
- CN
- China
- Prior art keywords
- enthalpy
- increasing
- pipe
- copper pipe
- connecting copper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/02—Welded joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/091—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
The invention discloses an enthalpy-increasing pipeline of a compressor and an assembling method thereof, and relates to the technical field of air-conditioning refrigeration. The compressor includes the enthalpy-increasing pipeline, and the enthalpy-increasing pipeline includes enthalpy-increasing pipe assembly, enthalpy-increasing pipe joint and sealing washer, and enthalpy-increasing pipe assembly connects the steel pipe including the enthalpy-increasing, increases the enthalpy and connects copper pipe and enthalpy straight tube, and enthalpy-increasing connects the copper pipe upper end and is hollow out construction, and hollow out construction one end is through buckling formation portion of bending, and enthalpy-increasing pipe joint internal diameter length connects copper pipe external diameter length big 9% to 27% than the enthalpy. The size of the inner diameter of the enthalpy-increasing pipe joint is increased, so that the enthalpy-increasing pipe can penetrate through the enthalpy-increasing pipe joint and can be matched with the bending part to clamp the enthalpy-increasing connecting copper pipe, and the assembly is simpler; the enthalpy-increasing connecting copper pipe is clamped by the bending part, so that the insertion depth of the enthalpy-increasing pipe can be controlled, the sealing performance of the connecting part is not influenced, and the part is not damaged due to the fact that the enthalpy-increasing connecting copper pipe collides with the bottom of the enthalpy-increasing hole of the static vortex disc; the enthalpy-increasing straight pipe only needs one welding seam for welding, so that the welding time is shorter, and the influence on the sealing rubber ring is smaller.
Description
Technical Field
The invention relates to the technical field of refrigeration, in particular to an enthalpy-increasing pipeline of a compressor and an assembling method thereof.
Background
The related structural parts of the enthalpy-increasing pipe of the high-speed scroll compressor comprise an enthalpy-increasing connecting steel pipe, an enthalpy-increasing connecting copper pipe, an enthalpy-increasing straight pipe, an enthalpy-increasing pipe joint and a sealing rubber ring, the assembly sequence of the enthalpy-increasing pipe of the scroll compressor with the enthalpy-increasing structure at present mainly comprises the steps that the welded enthalpy-increasing connecting copper pipe and the enthalpy-increasing connecting steel pipe are sleeved with a sealing ring and then inserted into a static vortex disk enthalpy-increasing hole, then the enthalpy-increasing connecting copper pipe and the enthalpy-increasing straight pipe are welded together with the enthalpy-increasing pipe joint which is welded in advance on an upper cover, and in the process, the following problems exist:
(1) the joint of the enthalpy-increasing pipe and the air suction pipe with the static vortex disk needs a sealing rubber ring to ensure the sealing performance of the joint, the joint is equivalent to two long round pins in assembly, the two long round pins and the upper cover belong to over-constrained assembly together, the processing precision of related parts needs to be strictly controlled, and the assembly difficulty is increased;
(2) the insertion depth of the enthalpy increasing pipe needs to be controlled, the sealing performance of a joint is affected due to too shallow depth, and the part is damaged due to the fact that the part possibly collides with the bottom of the enthalpy increasing hole of the static scroll disk due to too deep depth;
(3) still need secondary welding after installing the sealing rubber circle, the welding time overlength, the heat that the welding produced can influence the reliability of sealing rubber circle, and then influences the leakproofness of junction.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the enthalpy-increasing pipeline of the compressor and the assembling method thereof, which have the advantages of low assembling difficulty, controllable inserting depth of the enthalpy-increasing pipe and small influence of welding on the reliability of the sealing rubber ring.
The invention is realized by the following technical scheme:
the enthalpy increasing pipe assembly comprises an enthalpy increasing connecting steel pipe, an enthalpy increasing connecting copper pipe and an enthalpy increasing straight pipe, the enthalpy increasing connecting copper pipe is connected with the enthalpy increasing connecting steel pipe, the enthalpy increasing straight pipe is connected with the enthalpy increasing connecting copper pipe, the enthalpy increasing straight pipe penetrates through the enthalpy increasing pipe joint and is connected with the enthalpy increasing pipe joint through the upper end of the enthalpy increasing connecting copper pipe, the upper end of the enthalpy increasing connecting copper pipe is of a hollow structure, one end of the hollow structure forms a bending part through bending, and the inner diameter of the enthalpy increasing pipe joint is larger than the outer diameter of the enthalpy increasing connecting copper pipe and smaller than the outer diameter of the enthalpy increasing connecting copper pipe and doubles the length of the bending part.
Furthermore, the inner diameter of the enthalpy-increasing pipe joint is equal to the length of the outer diameter bending part of the enthalpy-increasing connecting copper pipe.
Further, the length of the hollow structure is 10% -30% of the length of the enthalpy-increasing connecting copper pipe, the length of the bent portion is 10% -20% of the length of the hollow structure, and the bending degree of the bent portion is 85-95 degrees.
Further, the length of the hollow structure is 20% of the length of the enthalpy-increasing connecting copper pipe, the bending length is 15% of the length of the hollow structure, and the bending degree of the bending portion is 90 degrees.
Further, the hollow structure is a grid-shaped hollow structure or a round hole-shaped hollow structure.
Further, the compressor further comprises an upper cover and a fixed scroll, wherein an enthalpy increasing hole is formed in the fixed scroll, the enthalpy increasing pipe joint is installed on the upper cover of the compressor, and the enthalpy increasing connecting steel pipe is inserted into the enthalpy increasing hole of the fixed scroll.
Furthermore, an annular groove is formed in one end, inserted into the fixed scroll, of the enthalpy-increasing connecting steel pipe.
Furthermore, the enthalpy-increasing connecting steel pipe is inserted into the enthalpy-increasing hole of the fixed scroll disk after a sealing ring is sleeved on the annular groove.
In a second aspect, the present invention provides a method for assembling an enthalpy-increasing pipe for a compressor, using the compressor of the first aspect, comprising the steps of:
s1: inserting the enthalpy-increasing connecting copper pipe into the enthalpy-increasing connecting steel pipe, welding the enthalpy-increasing connecting copper pipe and the enthalpy-increasing connecting copper pipe together through brazing, and sleeving a sealing rubber ring at the groove of the enthalpy-increasing connecting steel pipe after cooling;
s2: an upper cover with the enthalpy-increasing pipe joint is arranged on the compressor;
s3: the enthalpy-increasing connecting steel pipe and the enthalpy-increasing connecting copper pipe assembly penetrate through the enthalpy-increasing pipe joint and then are inserted into the enthalpy-increasing hole of the static scroll disk, and the enthalpy-increasing connecting copper pipe is clamped on the end face of the enthalpy-increasing pipe joint through the bending part of the enthalpy-increasing connecting copper pipe to form limiting;
s4: the enthalpy-increasing pipe joint is contracted to be attached to the side wall of the enthalpy-increasing connecting copper pipe;
s5: and inserting the enthalpy-increasing straight pipe part into the enthalpy-increasing connecting copper pipe, and welding the enthalpy-increasing straight pipe and the enthalpy-increasing connecting copper pipe.
Further, before the step S3 is inserted into the assembly of the enthalpy-increasing connecting steel tube and the enthalpy-increasing connecting copper tube, solder is filled in the hollow structure in advance, and the step S5 is performed by heating with an induction coil.
Has the advantages that: the length of the inner diameter of the enthalpy-increasing pipe joint is greater than the length of the outer diameter of the enthalpy-increasing copper pipe, so that the upper cover is separated from the enthalpy-increasing pipe during assembly, the enthalpy-increasing pipe can penetrate through the enthalpy-increasing pipe joint and can be matched with the bending part to clamp the enthalpy-increasing connecting copper pipe, the over-constraint condition is avoided, and the assembly is simpler; the enthalpy-increasing connecting copper pipe is clamped by the bending part of the hollow structure, so that the insertion depth of the enthalpy-increasing pipe can be controlled, the sealing performance of the connecting part is not influenced, and the part is not damaged due to the fact that the enthalpy-increasing connecting copper pipe collides with the bottom of an enthalpy-increasing hole of the static vortex disc; only one welding line is needed after the enthalpy-increasing straight pipe is inserted into the bending part of the hollow structure, so that the welding time is shorter, the welding difficulty is smaller, and the influence on the sealing rubber ring is smaller.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
Fig. 1 is a schematic structural view of an enthalpy-increasing pipe of a compressor according to the present invention.
Fig. 2 is a sectional view of an enthalpy-increasing pipe of a compressor according to the present invention.
Fig. 3 is an enlarged view of fig. 2 at a.
Fig. 4 is a schematic diagram of the enthalpy-increasing pipe joint of the enthalpy-increasing pipeline of the compressor before shrinking.
Fig. 5 is a perspective view of an enthalpy-increasing connecting copper pipe having a grid structure in an enthalpy-increasing pipe line of a compressor according to the present invention.
Fig. 6 is a front view of the enthalpy-increasing connecting copper pipe with a circular hole-shaped hollow structure in the enthalpy-increasing pipeline of the compressor.
Fig. 7 is a flow chart of an assembling method of the enthalpy-increasing pipe of the compressor 1 according to the present invention.
Wherein the reference numbers are as follows: 1. the heat pump comprises an upper cover, a silencer 2, a static scroll disk 3, a sealing rubber ring 4, an enthalpy-increasing connecting steel pipe 5, an enthalpy-increasing connecting copper pipe 6, a grid-shaped hollow structure 601, a circular hole-shaped hollow structure 602, a bending part 603, an enthalpy-increasing straight pipe 7, an enthalpy-increasing pipe joint 8 and a welding line 9.
Detailed Description
In order that those skilled in the art will better understand the inventive arrangements, reference will now be made to the drawings which form a part hereof,
the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention should fall within the protection scope of the present invention.
Example 1.
Referring to fig. 1-5 and fig. 7, the compressor of this embodiment includes an enthalpy-increasing pipeline, an upper cover 1, an upper muffler 2, a fixed scroll 3, and an enthalpy-increasing pipe connector 8, the enthalpy-increasing pipe includes an enthalpy-increasing connecting steel pipe 5, an enthalpy-increasing connecting copper pipe 6, and an enthalpy-increasing straight pipe 7, the upper cover 1 on the fixed scroll 3 and the fixed scroll 3 form a cavity, the cavity is provided with an upper muffler 2 fixed on the fixed scroll 3, the fixed scroll 3 is provided with an enthalpy-increasing hole, the upper cover 1 on the fixed scroll 3 and the fixed scroll 3 form a cavity, the cavity is provided with an upper muffler 2 fixed on the fixed scroll 3, one end of the enthalpy-increasing connecting steel pipe 5 is provided with an annular groove, the groove is sleeved with a sealing rubber ring 4, the enthalpy-increasing connecting steel pipe 5 inserts one end with a rubber sealing ring 4 into the enthalpy-increasing hole of the fixed scroll 3, the enthalpy-increasing connecting copper pipe 6 is inserted into the enthalpy-increasing connecting steel pipe 5, the enthalpy, the upper end part of the enthalpy-increasing connecting copper pipe 5 is connected with an enthalpy-increasing pipe joint 8.
In this embodiment, the upper end of the enthalpy-increasing connecting copper pipe 5 is the grid-shaped hollow structure 601, and the end portion is bent by 90 degrees to form the bent portion 602, wherein the length of the grid-shaped hollow structure 601 is 20% of the length of the enthalpy-increasing connecting copper pipe 6, the bending length is 15% of the length of the grid-shaped hollow structure 601, the inner diameter of the enthalpy-increasing pipe joint 8 is the length of the external diameter bending portion 602 of the enthalpy-increasing connecting copper pipe 6, and since the end portion of the enthalpy-increasing connecting copper pipe 6 can form a circle of annular bending portion 602, the inner diameter of the enthalpy-increasing pipe joint 8 is equal to the length of the external diameter bending portion 602 of the enthalpy-increasing connecting copper pipe 6, so that the enthalpy-increasing connecting copper pipe 6 can easily pass through the enthalpy-increasing pipe joint 8.
In this embodiment, the method for assembling the enthalpy-increasing pipe of the compressor includes the steps of: s1: inserting the enthalpy-increasing connecting copper pipe 6 into the enthalpy-increasing connecting steel pipe 5, welding the enthalpy-increasing connecting steel pipe 5 and the enthalpy-increasing connecting copper pipe 6 together by brazing, and sleeving a sealing rubber ring 4 on a groove of the enthalpy-increasing connecting steel pipe 5 after cooling; s2: an upper cover 1 with an enthalpy-increasing pipe joint 8 is arranged on the compressor; s3: an enthalpy-increasing connecting steel pipe 5 and an enthalpy-increasing connecting copper pipe 6 assembly penetrate through the enthalpy-increasing pipe joint 8 and the upper silencer 2 and are inserted into an enthalpy-increasing hole of the static vortex disk 3, and the enthalpy-increasing connecting copper pipe 6 is clamped on the end face of the enthalpy-increasing pipe joint 8 through a bending part 603 of the enthalpy-increasing connecting copper pipe 6 to form limiting; s4: the enthalpy-increasing pipe joint 8 is contracted to be attached to the side wall of the enthalpy-increasing connecting copper pipe 6; s5: and partially inserting the enthalpy-increasing straight pipe 7 into the enthalpy-increasing connecting copper pipe 6, and then manually welding the enthalpy-increasing straight pipe 7 and the enthalpy-increasing connecting copper pipe 6.
In this embodiment, when enthalpy-increasing connecting steel pipe 5 and enthalpy-increasing connecting copper pipe 6 assembly pass enthalpy-increasing pipe joint 8 and upper muffler 2 and then insert the enthalpy-increasing hole of static vortex disk 3, connect copper pipe 6 card on enthalpy-increasing pipe joint 8 terminal surface with enthalpy-increasing connecting copper pipe 6 through the portion 603 of bending of enthalpy-increasing connecting copper pipe, it is spacing to form, thereby control the depth of insertion of enthalpy-increasing pipe, both avoided the degree of depth too shallow will influence junction sealing performance, avoided the degree of depth too deep again and probably collided static vortex disk enthalpy-increasing hole bottom, produce the damage to spare part.
Because the size of the inner diameter of the enthalpy-increasing pipe joint 8 is 15 percent more than the size of the outer diameter of the enthalpy-increasing connecting copper pipe 6, the enthalpy-increasing pipe can easily pass through the enthalpy-increasing pipe joint 8, the possibility of over-constrained assembly is avoided, a large number of fixing devices are avoided due to the matching of the bending part and the enthalpy-increasing pipe joint 8, the installation process is simplified, and the reliability of the enthalpy-increasing pipe is improved.
Because the upper end of the enthalpy-increasing pipe joint 8 is fastened below the bending part 603 of the enthalpy-increasing connecting copper pipe 6 grid-shaped hollow structure 601 through a pipe shrinking process, the original two welding seams (one welding of the enthalpy-increasing connecting copper pipe 6 and the enthalpy-increasing straight pipe 7, and one welding of the enthalpy-increasing connecting copper pipe 6 and the enthalpy-increasing pipe joint 5) can be reduced to the current one (welding of the bending parts 603 of the enthalpy-increasing straight pipe 7 enthalpy-increasing connecting copper pipes 6), the welding time is reduced, and the influence of heat generated by welding on the sealing rubber ring 4 is reduced.
Example 2.
The other structures and assembling methods of the present embodiment are the same as those of embodiment 1, except that: after step S2 is completed, the grid-shaped hollow structure 601 at the head of the enthalpy-increasing connecting copper tube 6 is filled with solder in advance, and then step S3 is performed, where the manual welding in step S5 is changed to welding by heating with an induction coil.
Compared with embodiment 1, the welding method is simpler, the welding time is shorter, the generated heat is less, and the influence on the sealing rubber ring 4 is less by pre-filling the grid-shaped hollow structure 601 at the head part of the enthalpy-increasing connecting copper pipe 6 and then heating the welding flux by using the induction coil for welding.
Example 3.
Referring to fig. 1-3 and fig. 6-7, the compressor of this embodiment includes an enthalpy-increasing pipeline, an upper cover 1, an upper muffler 2, a fixed scroll 3, and an enthalpy-increasing pipe connector 8, the enthalpy-increasing pipe includes an enthalpy-increasing connecting steel pipe 5, an enthalpy-increasing connecting copper pipe 6, and an enthalpy-increasing straight pipe 7, the upper cover 1 on the fixed scroll 3 and the fixed scroll 3 form a cavity, an upper muffler 2 fixed on the fixed scroll 3 is disposed in the cavity, the fixed scroll 3 is provided with an enthalpy-increasing hole, the upper cover 1 on the fixed scroll 3 and the fixed scroll 3 form a cavity, the cavity is provided with the upper muffler 2 fixed on the fixed scroll 3, one end of the enthalpy-increasing connecting steel pipe 5 is provided with a groove, a sealing rubber ring 4 is sleeved on the groove and penetrates through the muffler 2 and the upper cover 1, one end of the groove is inserted into the enthalpy-increasing hole of the fixed scroll 3, the enthalpy-increasing connecting copper pipe 6 is inserted into the enthalpy-increasing connecting steel pipe 5, the, the upper end part of the enthalpy-increasing connecting copper pipe 5 is connected with an enthalpy-increasing pipe joint 8.
In this embodiment, the upper end of the enthalpy-increasing connecting copper pipe 5 is a circular hole-shaped hollow structure 602, and the end portion is bent by 90 degrees to form a bent portion, wherein the length of the circular hole-shaped hollow structure 602 is 20% of the length of the enthalpy-increasing connecting copper pipe 6, the bent length is 15% of the length of the circular hole-shaped hollow structure 602, and the inner diameter of the enthalpy-increasing pipe joint 8 is 15% larger than the outer diameter of the enthalpy-increasing connecting copper pipe 6.
In the present embodiment, the enthalpy-increasing pipe line of the compressor is assembled by the following method: s1: firstly, partially inserting an enthalpy-increasing connecting copper pipe 6 into an enthalpy-increasing connecting steel pipe 5, then welding the enthalpy-increasing connecting steel pipe 5 and the enthalpy-increasing connecting copper pipe 6 together through brazing, and sleeving a sealing rubber ring 4 at a groove of the enthalpy-increasing connecting steel pipe 5 after cooling; s2: an upper cover 1 with an enthalpy-increasing pipe joint 8 is arranged on the compressor; s3: an enthalpy-increasing connecting steel pipe 5 and an enthalpy-increasing connecting copper pipe 6 assembly penetrate through the enthalpy-increasing pipe joint 8 and the upper silencer 2 and are inserted into an enthalpy-increasing hole of the static vortex disk 3, and the enthalpy-increasing connecting copper pipe 6 is clamped on the end face of the enthalpy-increasing pipe joint 8 through a bending part 603 of the enthalpy-increasing connecting copper pipe 6 to form limiting; s4: the enthalpy-increasing pipe joint 8 is contracted to be attached to the side wall of the enthalpy-increasing connecting copper pipe 6; s5: and partially inserting the enthalpy-increasing straight pipe 7 into the enthalpy-increasing connecting copper pipe 6, and manually welding the enthalpy-increasing straight pipe 7 and the enthalpy-increasing connecting copper pipe 6.
In the embodiment, when the components of the enthalpy-increasing connecting steel pipe 5 and the enthalpy-increasing connecting copper pipe 6 penetrate through the enthalpy-increasing pipe joint 8 and the upper silencer 2 and are inserted into the enthalpy-increasing hole of the static scroll disk 3, the enthalpy-increasing connecting copper pipe 6 is clamped on the end surface of the enthalpy-increasing pipe joint 8 through the bending part 603 of the enthalpy-increasing connecting copper pipe 6 to form limiting, so that the insertion depth of the enthalpy-increasing pipe is controlled, the sealing performance of the joint is prevented from being influenced by too shallow depth, and the situation that the bottom of the enthalpy-increasing hole of the static scroll disk is possibly impacted by too deep depth and the parts are damaged is avoided; because the size of the inner diameter of the enthalpy-increasing pipe joint 8 is 15 percent larger than the size of the outer diameter of the enthalpy-increasing connecting copper pipe 6, the enthalpy-increasing pipe can easily pass through the enthalpy-increasing pipe joint 8, the possibility of over-constrained assembly is avoided, a large number of fixing devices are avoided due to the matching of the bending part and the enthalpy-increasing pipe joint 8, the installation process is simplified, and the reliability of the enthalpy-increasing pipe is improved; because the upper end of the enthalpy-increasing pipe joint 8 is fastened below the bending part 603 of the circular hole-shaped hollow structure 602 of the enthalpy-increasing connecting copper pipe 6 through the pipe shrinking process, the two original welding seams (one welding for the enthalpy-increasing connecting copper pipe 6 and the enthalpy-increasing straight pipe 7, and one welding for the enthalpy-increasing connecting copper pipe 6 and the enthalpy-increasing pipe joint 5) can be reduced to the current one (welding for the bending parts 603 of the enthalpy-increasing straight pipe 7 enthalpy-increasing connecting copper pipes 6), the welding time is reduced, and the influence of heat generated by welding on the sealing rubber ring 4 is reduced.
Compared with the embodiment 1, the grid-shaped hollow structure 601 is changed into the circular hole-shaped hollow structure 602, so that the bending part is more convenient to manufacture at the end face, and the strength of the hollow part is higher.
Example 4.
The other structures and assembling methods of the present embodiment are the same as those of embodiment 3, except that: after step S2 is completed, the round-hole hollow structure 602 at the head of the enthalpy-increasing connecting copper tube 6 is filled with solder in advance, and then step S3 is performed, where the manual soldering in step S5 is changed to soldering using induction coil heating.
Compared with embodiment 3, the welding method is simpler, the welding time is shorter, the generated heat is less, and the influence on the sealing rubber ring 4 is less by pre-filling the welding flux at the round hole-shaped hollow-out structure 601 at the head part of the enthalpy-increasing connecting copper pipe 6 and then heating the welding flux by using the induction coil for welding.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a compressor, includes the enthalpy-increasing pipeline, the enthalpy-increasing pipeline includes enthalpy-increasing pipe assembly and enthalpy-increasing pipe joint, enthalpy-increasing pipe assembly connects the steel pipe including enthalpy-increasing, increases the enthalpy and connects copper pipe and enthalpy straight tube, enthalpy-increasing connects the copper union coupling the steel pipe is connected to enthalpy-increasing, enthalpy-increasing straight tube connection the enthalpy-increasing connects the copper pipe, enthalpy-increasing pipe assembly runs through enthalpy-increasing pipe joint, and pass through enthalpy-increasing connects copper pipe upper end with enthalpy-increasing pipe joint connects, its characterized in that: the enthalpy-increasing connecting copper pipe is characterized in that the upper end of the enthalpy-increasing connecting copper pipe is of a hollow structure, one end of the hollow structure is bent to form a bent part, and the inner diameter of the enthalpy-increasing pipe joint is larger than the outer diameter of the enthalpy-increasing connecting copper pipe and smaller than the outer diameter of the enthalpy-increasing connecting copper pipe by the length of the bent part twice.
2. The compressor of claim 1, wherein the inside diameter of the enthalpy-increasing pipe joint is equal to the length of the outer diameter of the enthalpy-increasing connecting copper pipe plus the bending part.
3. The compressor according to claim 1, wherein the length of the hollow structure is 10% to 30% of the length of the enthalpy-increasing connecting copper pipe, the length of the bent portion is 10% to 20% of the length of the hollow structure, and the bending degree of the bent portion is 85 degrees to 95 degrees.
4. A compressor according to claim 3, wherein: the length of the hollow structure is 20% of the length of the enthalpy-increasing connecting copper pipe, the bending length is 15% of the length of the hollow structure, and the bending degree of the bending portion is 90 degrees.
5. A compressor according to claim 1, wherein: the hollow structure is a grid-shaped hollow structure or a round hole-shaped hollow structure.
6. A compressor according to claim 1, wherein: the compressor further comprises an upper cover and a static vortex disk, an enthalpy increasing hole is formed in the static vortex disk, the enthalpy increasing pipe joint is installed on the upper cover of the compressor, and the enthalpy increasing connecting steel pipe is inserted into the enthalpy increasing hole of the static vortex disk.
7. A compressor according to claim 6, wherein: an annular groove is formed in one end, inserted into the static scroll, of the enthalpy-increasing connecting steel pipe.
8. A compressor according to claim 7, wherein: and the enthalpy-increasing connecting steel pipe is sleeved with a sealing ring on the annular groove and then inserted into the enthalpy-increasing hole of the static vortex disc.
9. A method of assembling an enthalpy-increasing pipe for a compressor, characterized by: the compressor of any one of claims 6 to 8, comprising the steps of:
s1: inserting the enthalpy-increasing connecting copper pipe into the enthalpy-increasing connecting steel pipe, welding the enthalpy-increasing connecting copper pipe and the enthalpy-increasing connecting steel pipe together through brazing, and sleeving a sealing rubber ring at the groove of the enthalpy-increasing connecting steel pipe after cooling;
s2: an upper cover with the enthalpy-increasing pipe joint is arranged on the compressor;
s3: the combined piece of the enthalpy-increasing connecting steel pipe and the enthalpy-increasing connecting copper pipe penetrates through the enthalpy-increasing pipe joint and then is inserted into the enthalpy-increasing hole of the static scroll disk, and the enthalpy-increasing connecting copper pipe is clamped on the end face of the enthalpy-increasing pipe joint through the bending part of the enthalpy-increasing connecting copper pipe to form limiting;
s4: the enthalpy-increasing pipe joint is contracted to be attached to the side wall of the enthalpy-increasing connecting copper pipe;
s5: and inserting the enthalpy-increasing straight pipe part into the enthalpy-increasing connecting copper pipe, and welding the enthalpy-increasing straight pipe and the enthalpy-increasing connecting copper pipe.
10. The enthalpy-increasing pipe assembly method for a compressor according to claim 9, characterized in that: and (3) filling solder in the hollow structure in advance before the step (S3) is inserted into the enthalpy-increasing connecting steel pipe and the enthalpy-increasing connecting copper pipe, wherein the step (S5) is performed in a mode of heating by using an induction coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910777341.2A CN110645741B (en) | 2019-08-22 | 2019-08-22 | Enthalpy-increasing pipeline of compressor and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910777341.2A CN110645741B (en) | 2019-08-22 | 2019-08-22 | Enthalpy-increasing pipeline of compressor and assembling method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110645741A CN110645741A (en) | 2020-01-03 |
| CN110645741B true CN110645741B (en) | 2021-06-18 |
Family
ID=68990264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910777341.2A Active CN110645741B (en) | 2019-08-22 | 2019-08-22 | Enthalpy-increasing pipeline of compressor and assembling method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110645741B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671121B (en) * | 2012-09-26 | 2015-12-16 | 珠海格力电器股份有限公司 | The increasing enthalpy pipe of rotary compressor, fixing-assembly, compressor and increase enthalpy method |
| CN104514721B (en) * | 2013-09-27 | 2018-01-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Air suction structure and axial air suction type screw compressor and assembly method |
| CN105782033B (en) * | 2014-12-25 | 2018-12-04 | 珠海格力电器股份有限公司 | The assembly technology of screw compressor, air conditioner and screw compressor |
| CN104806824B (en) * | 2015-04-24 | 2018-01-23 | 含山瑞可金属有限公司 | New copper and steel pipe, manufacture method and application |
| CN205089619U (en) * | 2015-08-06 | 2016-03-16 | 广东美芝制冷设备有限公司 | Rotary compressor and compressing assembly thereof |
| CN106523359B (en) * | 2016-11-09 | 2019-01-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Screw compressor and its fixed scroll and upper cap assembly |
| JPWO2018154689A1 (en) * | 2017-02-23 | 2019-11-07 | 三菱電機株式会社 | Compressor |
-
2019
- 2019-08-22 CN CN201910777341.2A patent/CN110645741B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110645741A (en) | 2020-01-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110645741B (en) | Enthalpy-increasing pipeline of compressor and assembling method thereof | |
| CN108344231B (en) | Compressor, refrigerating system and method for mounting suction pipe group of compressor | |
| CN213809308U (en) | Pipeline and air conditioner | |
| CN211823081U (en) | Silencer and air conditioner | |
| CN111397406A (en) | Plate heat exchanger | |
| CN106555910B (en) | The pipeline assembly of pipe connecting structure and method, air-conditioner set | |
| CN102486356B (en) | Connection method for pipe seat connector of micro-channel heat exchanger | |
| CN212338320U (en) | Pipe orifice structure and four-way valve | |
| KR20230101859A (en) | gas collection tube assembly | |
| CN215063017U (en) | Gas collecting pipe assembly and air conditioning equipment | |
| CN213067252U (en) | Piping assembly and air conditioner | |
| CN206094663U (en) | Cold -stored evaporimeter muffler subassembly | |
| JP3033441B2 (en) | Heat exchanger manufacturing method and heat exchanger | |
| CN217979241U (en) | Gas collecting pipe | |
| CN207500659U (en) | Bellows component | |
| JP2004279025A (en) | Cross fin tube type heat exchanger | |
| KR20190143818A (en) | Heat Exchanger | |
| CN206816985U (en) | Refrigeration system | |
| CN215215285U (en) | Silencer | |
| CN216590474U (en) | Shock-proof tube with copper connecting tube | |
| CN219140085U (en) | Pipe fitting for air conditioner | |
| KR20220166024A (en) | Joining structure of metal pipe and joining process of metal pipe | |
| CN218348154U (en) | Corrugated shock-proof pipe | |
| CN212111517U (en) | General termination of main low-voltage test that becomes | |
| CN215215233U (en) | Three-way pipe and heat exchanger thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |