CN203114579U - Compressor exhaust pipe - Google Patents
Compressor exhaust pipe Download PDFInfo
- Publication number
- CN203114579U CN203114579U CN 201220745116 CN201220745116U CN203114579U CN 203114579 U CN203114579 U CN 203114579U CN 201220745116 CN201220745116 CN 201220745116 CN 201220745116 U CN201220745116 U CN 201220745116U CN 203114579 U CN203114579 U CN 203114579U
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- pipe section
- compressor
- welding
- exhaust pipe
- compressor exhaust
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Abstract
The utility model relates to the field of compressors, in particular to a compressor exhaust pipe. The compressor exhaust pipe is arranged on an upper cover of a compressor and comprises a copper pipe section and an iron pipe section, the copper pipe section and the iron pipe section are in butt welding through flash welding, and the iron pipe section is connected with the upper cover of the compressor through electric resistance welding. Due to the facts that connection between the copper pipe section and the iron pipe section of the compressor exhaust pipe adopts a welding method without welding flux, the connection between the iron pipe section and the upper cover of the compressor adopts a welding method without welding flux, use of the welding flux is eliminated fully, consequently environment pollution by exhaust gas like carbon dioxide can not happen in the production process, green production is achieved, meanwhile, technology is simplified, and manufacturing cost is reduced.
Description
Technical field
Model utility relates to compressor field, particularly relates to a kind of compressor exhaust pipe.
Background technique
Compressor, be that a kind of low-pressure gas is promoted is the fluid machinery of pressurized gas, it is the heart of refrigeration system, the enclosure interior of compressor is provided with cylinder, and during work, the refrigerant gas of low-temp low-pressure enters cylinder from suction tude, after cylinder compresses it, from the refrigerant gas of outlet pipe discharge High Temperature High Pressure, for refrigeration cycle provides power, thus the refrigeration cycle of realization compression → condensation → expansion → evaporation.
Present compressor exhaust pipe great majority of the prior art adopt the structure of whole copper pipe, it is connected with the loam cake of compressor by silver solder gas brazing or high frequency brazing, adopts the bearing capacity of gas brazing joint of above-mentioned tape welding material relevant with joint junction surface size.Therefore, methods such as gas brazing certainly will need to adopt that lap joint and external member are spliced are to increase joint junction surface area, to remedy the deficiency of soldering strength, but also can produce great amount of carbon dioxide because using scolder, so that befouling environment, the above-mentioned compressor outlet pipe causes cost to improve because adopting a large amount of copper materials simultaneously.Adopt above-mentioned high frequency brazing, its electrical efficiency is lower, and operating voltage is too high, and Security is relatively poor, fragility is bigger, and is easy to crack, and working life is short, and air-conditioning producer is when welding again, cause the secondary fusion of scolder easily, make inferior quality, be not easy to the welding of outlet pipe in the compressor field.
Thereupon, people are devoted to being connected except the gas brazing of tape welding material or the better Placement the high frequency brazing between compressor exhaust pipe and the compressor top cover always.
Notification number is that the Chinese utility model patent of CN 202250685 U discloses " outlet pipe on a kind of air-conditioning compressor ", its technological scheme comprise " cylindrical red copper compressor exhaust pipe (1) and iron and steel compressor connecting tube (2); described iron and steel compressor connecting tube (2) welding is sheathed on red copper compressor exhaust pipe (1) outside, described iron and steel compressor connecting tube (2) comprise cylindrical tube (3) and weld integrally manufactured the forming of table top (4); Described welding table top (4) is made of the table top (9) that is connected between cylindrical upper table surface (5), cylindrical following table (6) and cylindrical upper table surface (5) and the cylindrical following table (6)." iron pipe of this outlet pipe and the Placement between the copper pipe be the tape welding material cross slice weldering or high frequency brazing, and the iron pipe of this outlet pipe and the linkage structure between the copper pipe need be set up the welding table top.The complexity that has so just caused linkage structure between copper pipe and the iron pipe, moreover, because copper pipe and iron pipe are the stove weldering (may also be referred to as is caulk weld) excessively of socket joint type, when welding, can produce vibration and cracking, can not satisfy industry for the requirement of the clean dynamics of copper pipe, and when air-conditioning producer welds, cause the secondary fusion of scolder easily again, make inferior quality, moreover owing to used scolder, not environmental protection becomes.
To sum up, for the cost pressure that alleviates compressor manufacturer and avoid copper pipe and iron pipe between the complexity of linkage structure and CO 2 waste gas to the problems such as pollution of environment, research and develop a kind of production process environmental protection, compressor exhaust pipe cheap for manufacturing cost has very far-reaching and significant meaning.
Summary of the invention
The purpose of this utility model is to avoid above-mentioned deficiency of the prior art and provides a kind of production process environmental protection, compressor exhaust pipe cheap for manufacturing cost.
The purpose of this utility model is achieved through the following technical solutions:
A kind of compressor exhaust pipe is arranged at the loam cake of compressor, comprises copper pipe section and iron pipe section, and described copper pipe section is docked welding with described iron pipe section flash welding.
Wherein, in the butt end of the butt end of described copper pipe section and described iron pipe section, the internal diameter of one of them butt end is less than the external diameter of another butt end wherein.
Wherein, described iron pipe section is connected with the loam cake of compressor by resistance welding.
Wherein, described iron pipe section comprises cylindrical tube portion and weld part.
Wherein, described weld part is the annular boss that is arranged at the cylindrical of described cylindrical tube portion.
Wherein, described weld part is bottom and the outward extending flange that is arranged at described cylindrical tube portion, is angle α setting between the outer wall of the outer wall of described flange and described cylindrical tube portion.
Wherein, the scope of described angle α is 0 °＜α＜180 °.
The beneficial effects of the utility model:
A kind of compressor exhaust pipe of the present utility model comprises copper pipe section and iron pipe section, and described copper pipe section is docked welding with described iron pipe section flash welding, and described iron pipe section is connected with the loam cake of compressor by resistance welding.Adopted the butt-welded method of above-mentioned solderless flash welding to make compressor exhaust pipe in the butt end of copper pipe section and iron pipe section, be completely free of the use of scolder, therefore can not produce exhaust emission pollution environment such as carbon dioxide in process of production again, also simplify technology when realizing green production, reduced manufacture cost; Moreover, just because of its process characteristic, the copper pipe section can directly be docked welding with the iron pipe section, need not to weld again after the socket, make compressor exhaust pipe can be designed to more simple structure, and the combination of two pipes is welding of molecular force combination between the metal of two pipes, it is different from the stove of crossing of the prior art and welds or be referred to as the joint filling welding, therefore welding quality is better, weld strength is also more reliable, has improved welding quality, need not simultaneously to worry when air-conditioning producer welds again, the crack that the secondary fusion of scolder occurs and cause, leakage waits the generation of weld defects problem, prolonged working life, and flash welding efficient height, power is low, its welding process adopts the heavy current of low voltage, makes whole welding process more safe and reliable.The breakthrough of technological innovation of the present utility model the intrinsic thinking of related domain, technological means such as the intrinsic high frequency welding of selecting for use of those skilled in the art, the welding of mistake stove have been eliminated, and adopted the butt-welded mode of flash welding, belong to bold technological innovation in the art, promoted further developing of compressor exhaust pipe.
Description of drawings
Utilize accompanying drawing that model utility is described further, but the embodiment in the accompanying drawing does not constitute any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the following drawings.
Fig. 1 is the embodiment's 1 of a kind of compressor exhaust pipe of the present utility model structural representation.
Fig. 2 is the embodiment's 2 of a kind of compressor exhaust pipe of the present utility model structural representation.
Fig. 3 is another structural representation of the embodiment 2 of a kind of compressor exhaust pipe of the present utility model.
Fig. 4 is the embodiment's 3 of a kind of compressor exhaust pipe of the present utility model structural representation.
Reference character:
The 1-compressor exhaust pipe, 2-copper pipe section, 3-iron pipe section, 4-loam cake, 5-cylindrical tube portion, 6-weld part.
Embodiment
With the following Examples the utility model is further described.
One of embodiment of a kind of compressor exhaust pipe of the present utility model, as shown in Figure 1, compressor exhaust pipe 1 comprises copper pipe section 2 and iron pipe section 3, copper pipe section 2 is docked with iron pipe section 3, by flash welding its two sections are welded together between the butt end, the step of the method for manufacturing compressor exhaust pipe 1 is as follows:
A. preheating: after being assemblied in the copper pipe section 2 of compressor exhaust pipe 1 and 3 butt joints of iron pipe section in the secondary clamp that is connected of welding transformer, it is applied big electric current, according to the formula of Joule heat
Be closed circuit by control copper pipe section 2 and more than 3 rapid contact of iron pipe section, separately be open circuit again rapidly, the resistance R value of two butt ends is constantly changed, cause the Joule heat Q between two butt ends also constantly to change, thereby form interrupted flash of light, make the butt end form high heat, be melted until the butt end;
B. upset: when the length that is melted when the butt end reaches the fusion length of setting, apply the welding that upset force is finished copper pipe section 2 and iron pipe section 3 rapidly.
Wherein, copper pipe section 2 is greater than 0 and smaller or equal to 20mm with the fusion penetration scope of iron pipe section 3 welding, is preferably more than 0 and smaller or equal to 10mm.Usually, the fusion length of setting is slightly larger than the fusion penetration value range.
Solderless flash of light welding manner has been adopted in welding between copper pipe section 2 and the iron pipe section 3, gas brazing or the high frequency brazing of tape welding material have been replaced, therefore can not produce exhaust emission pollution environment such as carbon dioxide in process of production again, save scolder simultaneously, reduce manufacture cost; And need not to increase complicated structures such as welding table top.
Wherein, in the butt end of the butt end of copper pipe section 2 and iron pipe section 3, the internal diameter of one of them butt end is less than the external diameter of another butt end wherein.Be not the structure of socket between the two.
Because the Lower Half of compressor exhaust pipe 1 is iron pipe section 3, so compressor exhaust pipe 1 carries out with the method that can change into resistance welding that is connected of the loam cake 4 of compressor.Iron pipe section 3 comprises cylindrical tube portion 5 and weld part 6, the method of weld part 6 by resistance welding is connected and realizes on the loam cake 4 of compressor being connected of compressor exhaust pipe 1 and loam cake 4: exert pressure on the set interior lateral edges of mounting hole of the outer wall of weld part 6 and the loam cake of compressor 4, both are closely contacted, pass to electric current again, melt metal between two weldments by resistance heat, outage back molten metal solidifies rapidly under the effect of pressure finishes welding.
Two of the embodiment of a kind of compressor exhaust pipe of the present utility model, as Fig. 2, shown in Figure 3, the main technical schemes of present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopt the explanation among the embodiment 1, no longer give unnecessary details at this.Present embodiment and embodiment's 1 difference is, weld part 6 is arranged on the annular boss of the cylindrical of described cylindrical tube portion 5.Wherein, described annular boss is to be leg-of-mutton convex surface around the cylindrical of the cylindrical tube portion 5 formed annular boss that rotates a circle by the cross section.Perhaps, described annular boss is to be similar half elliptic convex surface around the cylindrical of the cylindrical tube portion 5 formed annular boss that rotates a circle by the cross section.Set up annular boss and be convenient to welding.
Three of the embodiment of a kind of compressor exhaust pipe of the present utility model, as shown in Figure 4, the main technical schemes of present embodiment is identical with embodiment 1, and unaccounted feature adopts the explanation among the embodiment 1 in the present embodiment, no longer gives unnecessary details at this.Present embodiment and embodiment's 1 difference is, described weld part 6 is angle α setting for being arranged at bottom and the outward extending flange of described cylindrical tube portion 5 between the outer wall of the outer wall of described flange and cylindrical tube portion 5.
Preferably, the scope of angle α is 0 °＜α＜180 °.
Should be noted that at last; above embodiment is only in order to illustrate the technical solution of the utility model; but not to the restriction of the utility model protection domain; although with reference to preferred embodiment the utility model has been done to explain; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the technical solution of the utility model, and not break away from essence and the scope of technical solutions of the utility model.
Claims (7)
1. compressor exhaust pipe is arranged at the loam cake of compressor, and it is characterized in that: comprise copper pipe section and iron pipe section, described copper pipe section is docked welding with described iron pipe section flash welding.
2. a kind of compressor exhaust pipe according to claim 1 is characterized in that: in the butt end of the butt end of described copper pipe section and described iron pipe section, the internal diameter of one of them butt end is less than the external diameter of another butt end wherein.
3. a kind of compressor exhaust pipe according to claim 1, it is characterized in that: described iron pipe section is connected with the loam cake of compressor by resistance welding.
4. a kind of compressor exhaust pipe according to claim 3, it is characterized in that: described iron pipe section comprises cylindrical tube portion and weld part.
5. a kind of compressor exhaust pipe according to claim 4 is characterized in that: described weld part is the annular boss that is arranged at the cylindrical of described cylindrical tube portion.
6. a kind of compressor exhaust pipe according to claim 4 is characterized in that: described weld part is bottom and the outward extending flange that is arranged at described cylindrical tube portion, is angle α setting between the outer wall of the outer wall of described flange and described cylindrical tube portion.
7. a kind of compressor exhaust pipe according to claim 6 is characterized in that: the scope of described angle α is 0 °＜α＜180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220745116 CN203114579U (en) | 2012-12-31 | 2012-12-31 | Compressor exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220745116 CN203114579U (en) | 2012-12-31 | 2012-12-31 | Compressor exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203114579U true CN203114579U (en) | 2013-08-07 |
Family
ID=48894930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220745116 Expired - Lifetime CN203114579U (en) | 2012-12-31 | 2012-12-31 | Compressor exhaust pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203114579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032640A (en) * | 2012-12-31 | 2013-04-10 | 东莞市金瑞五金制品有限公司 | Compressor exhaust pipe and manufacturing method and application of compressor exhaust pipe |
| JP2016200315A (en) * | 2015-04-08 | 2016-12-01 | アイシン精機株式会社 | Pressure container for air conditioner |
-
2012
- 2012-12-31 CN CN 201220745116 patent/CN203114579U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032640A (en) * | 2012-12-31 | 2013-04-10 | 东莞市金瑞五金制品有限公司 | Compressor exhaust pipe and manufacturing method and application of compressor exhaust pipe |
| JP2016200315A (en) * | 2015-04-08 | 2016-12-01 | アイシン精機株式会社 | Pressure container for air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Nancheng Industrial Zone Haomailu Daojiao town Guangdong city of Dongguan Province, No. 88 523000 Patentee after: DONGGUAN JINRUI HARDWARE Co.,Ltd. Address before: Nancheng Industrial Zone Haomailu Daojiao town Guangdong city of Dongguan Province, No. 88 523000 Patentee before: DONGGUAN JINRUI HARDWARE PRODUCTS Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |
|
| CX01 | Expiry of patent term |