CN103542644A - Connection structure of cooling system of refrigerating plant - Google Patents
Connection structure of cooling system of refrigerating plant Download PDFInfo
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- CN103542644A CN103542644A CN201310511666.9A CN201310511666A CN103542644A CN 103542644 A CN103542644 A CN 103542644A CN 201310511666 A CN201310511666 A CN 201310511666A CN 103542644 A CN103542644 A CN 103542644A
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Abstract
The invention relates to a connection structure of a cooling system of a refrigerating plant, in particular to the technical field of connection relations among liquid reservoirs and liquid dispensers and among the liquid dispensers and compressors of air-conditioning cooling systems. The connection structure comprises a liquid reservoir, a liquid dispenser and a compressor. The liquid dispenser comprises an air inlet tube, an upper end cover, a middle barrel, a lower end cover and an air outlet tube, the air outlet tube of the liquid dispenser is pressed into a cylinder hole of the compressor in an interference fit manner, and a first flange is sleeved between the air outlet tube and a shell of the compressor and is connected with the shell of the compressor and the air outlet tube by means of welding. According to the technical scheme, the connection structure has the advantages of convenience in machining, simple structure and the like.
Description
Technical field
The present invention relates to a kind of syndeton of refrigerating plant cooling system, relate in particular to the annexation technical field between liquid reservoir and knockout, knockout and compressor in a kind of air conditioner cooling system.
Background technology
The cooling system of the refrigerating plants such as air-conditioning is mainly by the liquid reservoir connecting in turn, knockout and compressor form, in conjunction with Fig. 1, knockout is mainly by upper end cover 2a, middle cylinder body 3a and bottom end cover 4a form, in installation process, upper end cover 2a connects by air inlet pipe 1a and liquid reservoir at place, bottom end cover 4a place passes through escape pipe 5a(also referred to as " liquid reservoir bend pipe 5a ") connect with compresser cylinder hole 8a, air inlet pipe 1a, upper end cover 2a, middle cylinder body 3a, bottom end cover 4a, after escape pipe 5a and cylinder-bore 8a are communicated with smoothly, only at large parts as middle cylinder body 3a and upper end cover 2a, between bottom end cover 4a, adopt stove sealed with brazing, and between air inlet pipe 1a and upper end cover 2a, between bottom end cover 4a and escape pipe 5a, all adopt brass solder sealing, welding between escape pipe 5a and cylinder-bore 8a is more loaded down with trivial details: because cylinder-bore 8a is positioned at compressor case 9a, during welding, need first taper copper pipe 6a(also referred to as " cylinder tube connector 6a ") be pressed in cylinder-bore 8a, for transition, connect, after gas brazing is closely knit, at compressor case 9a place flame welding, connect copper pipe 7a(also referred to as " shell copper pipe 7a " again), finally escape pipe 5a is inserted to taper copper pipe 6a, now, be followed successively by from outside to inside compressor case 9a, shell copper pipe 7a, cylinder-bore 8a, cylinder tube connector 6a and escape pipe 5a, by compressor case 9a, shell copper pipe 7a, cylinder tube connector 6a and liquid reservoir bend pipe 5a carry out gas brazing simultaneously, by liquid reservoir, knockout and compressor hold together, the defect that above-mentioned syndeton exists is:
(1) junction of each transition conduit such as liquid reservoir, air inlet pipe 1a, upper end cover 2a, middle cylinder body 3a, bottom end cover 4a, escape pipe 5a, compressor case 9a, cylinder-bore 8a and cylinder tube connector 6a all needs to carry out multiple welding, especially: air inlet (copper) pipe and liquid reservoir, (copper) pipe of giving vent to anger even all need to add transition conduit with compressor and assist naked light to weld between bottom end cover and escape pipe, complex operation, complex structure, manufacturing cost is higher, is unfavorable for producing.
(2) because each connecting portion is all welded by open-flam soldering (brass solder, gas brazing), in welding process, the heated time of knockout is long, in knockout escape pipe, air inlet pipe and middle cylinder body, all can produce a large amount of oxide skin, impurity also increases thereupon, increased the resistance in separatory passage, the inequality of having aggravated separatory.
(3) adopt the cooling system of prior art moulding, each knockout only can be applicable to a kind of liquid reservoir and compressor of model specification, thereby compatibility is poor.
Summary of the invention
In order to overcome, the above-mentioned connection existing in prior art is complicated, the irregular defect of separatory, the invention provides a kind of syndeton of refrigerating plant cooling system easy to process, simple for structure.
For achieving the above object, the technical scheme that the present invention takes is as follows:
The syndeton of refrigerating plant cooling system, comprise liquid reservoir, knockout and compressor, knockout comprises air inlet pipe, upper end cover, middle cylinder body, bottom end cover and escape pipe, described knockout escape pipe interference fit is pressed into the cylinder-bore of compressor, the first flange is sleeved between escape pipe and compressor case, adopts welding manner that the first flange is connected with escape pipe with compressor case.
For realizing better result of use, further arranging of technique scheme is as follows:
Described interference fit refers to that escape pipe carries out precision truing processing, and its external diameter is controlled at cylinder-bore internal diameter and differs 0.005-0.01mm, to coordinate interference to install.Preferably, the external diameter of escape pipe, compared with the large 0.01-0.005mm of the internal diameter of cylinder-bore, is directly squeezed into escape pipe in cylinder-bore, and pressurization can adopt the mechanical systems such as hydraulic pressure, punching press to carry out.
Described welding adopts the non-naked light mode of electric resistance welding or slice weldering.Preferably, can be first the first flange and escape pipe be welded to one by slice and weld, then the first flange and compressor case are adopted to electric resistance welding.
Between described escape pipe and bottom end cover, by the second flange, be connected, between the second flange and escape pipe, bottom end cover, adopt electric resistance welding or stove brazing mode to be connected.Preferably, the second flange adopts slice weldering and escape pipe to be welded to connect together with the first flange, can one-shot forming, save operation, and between the second flange and bottom end cover, adopt electric resistance welding.
Between described air inlet pipe and upper end cover, by three-flange, be connected, between three-flange and air inlet pipe, upper end cover, adopt electric resistance welding or gas brazing mode to be connected.Preferably, between three-flange and air inlet pipe, adopt gas brazing, between three-flange and upper end cover, adopt electric resistance welding.
The syndeton that adopts the refrigerating plant cooling system of technique scheme gained, its operation principle and beneficial effect are as follows:
(1) between the cylinder-bore of air inlet pipe and upper end cover, escape pipe and bottom end cover, escape pipe and compressor, all adopt flange to be connected, the first flange adopts the mode of interference fit to be pressed into cylinder-bore, component surface fineness is higher, avoided the use of transition conduit, in the effect of guaranteeing to be tightly connected, the cost that has also reduced manufacturing procedure, transition fitting drops into.
(2) first flanges, between the second flange and escape pipe, all adopt the mode of slice weldering to be connected, this integral type welding manner can greatly be accelerated working (machining) efficiency, and the first flange and compressor case, between the second flange and bottom end cover and three-flange and upper end cover, all adopt electric resistance welding, because the slice weldering and the electric resistance welding that adopt are non-naked light welding manner, non-naked light welding manner can be avoided in air inlet pipe, upper end cover, middle cylinder body, bottom end cover, in the separatory pipelines such as escape pipe, form oxide skin, guarantee separatory passage circulate, be conducive to the interior gas-liquid mixed of knockout even.
(3) in syndeton of the present invention, transition fitting is few, welding sequence is few, all less to pipeline and compressor injury, its flange connection adopting can be changed fast, easily, just can realize the replacing of compressor and the liquid reservoir of different model, thereby application is comparatively flexible, both can meet the user demand of different processing occasions, improved again the service efficiency of the parts such as knockout.
Accompanying drawing explanation
Fig. 1 is the syndeton schematic diagram of cooling system in prior art;
Fig. 2 is the first syndeton schematic diagram of cooling system of the present invention;
Fig. 3 is the second syndeton schematic diagram of cooling system of the present invention;
Fig. 4 is the third syndeton schematic diagram of cooling system of the present invention.
Number in the figure: 1, air inlet pipe; 2, upper end cover; 3, middle cylinder body; 4, bottom end cover; 5, escape pipe; 6, the first flange; 7, the second flange; 8, cylinder-bore; 9, compressor case; 10, three-flange.
The specific embodiment
Embodiment 1
The syndeton of the present embodiment refrigerating plant cooling system, in conjunction with Fig. 2, comprise liquid reservoir, knockout and compressor, knockout comprises air inlet pipe 1, upper end cover 2, middle cylinder body 3, bottom end cover 4 and escape pipe 5, knockout escape pipe 5 is pressed into the cylinder-bore 8 of compressor with interference fit, the first flange 6 is sleeved between escape pipe 5 and compressor case 9, adopts welding manner that the first flange 6 is connected with escape pipe 5 with compressor case 9.Wherein, interference fit in the present embodiment, the external diameter of escape pipe 5 is that the internal diameter of cylinder-bore 8 fluctuates 0.005mm(: if cylinder-bore 8 internal diameters are 20mm, escape pipe 5 is answered precision truing processing, make escape pipe 5 be controlled at 20 ± 0.005mm towards the external diameter of the end of cylinder-bore 8, to coordinate interference, install), directly by hydraulic means, escape pipe 5 is squeezed in cylinder-bore 8; Welding adopts non-naked light mode: first the first flange 6 is welded to one with escape pipe 5 by slice and weld, then the first flange 6 and compressor case 9 are adopted to electric resistance welding.
Adopt the present embodiment technical scheme, can be only for the most loaded down with trivial details escape pipe 5 of processing in prior art and the annexation between cylinder-bore 8, the first flange 6 adopts the mode of interference fit to be pressed into cylinder-bore 8, component surface fineness is higher, avoided the use of transition conduit, in the effect of guaranteeing to be tightly connected, the cost that has also reduced manufacturing procedure, transition fitting drops into, the first flange 6 is set between compressor case 9 and escape pipe 5, the effect of also can play location, supporting; Meanwhile, the slice weldering or the electric resistance welding that during each parts welding, adopt all belong to non-naked light mode, avoid forming oxide skin in the separatory pipelines such as escape pipe 5, cylinder-bore 8, guarantee separatory passage circulate, are conducive to the interior gas-liquid mixed of knockout even; The syndeton of flange mode can realize fast, easily and changing, knockout is applicable to compressor and the liquid reservoir of different model, thereby application is comparatively flexible, both can meet the user demand of different processing occasions, improved again the service efficiency of the parts such as knockout.
Embodiment 2
The syndeton of the present embodiment refrigerating plant cooling system, in conjunction with Fig. 3, comprise liquid reservoir, knockout and compressor, knockout comprises air inlet pipe 1, upper end cover 2, middle cylinder body 3, bottom end cover 4 and escape pipe 5, one end of knockout escape pipe 5 is pressed into the cylinder-bore 8 of compressor with interference fit, the first flange 6 is sleeved between escape pipe 5 and compressor case 9, adopts welding manner that the first flange 6 is connected with escape pipe 5 with compressor case 9; The other end of escape pipe 5 is connected to bottom end cover 4, between escape pipe 5 and bottom end cover 4, by the second flange 7, is connected, and between the second flange 7 and escape pipe 5, bottom end cover 4, adopts electric resistance welding or stove brazing mode to be connected.Wherein, interference fit in the present embodiment, the external diameter of escape pipe 5 is that the internal diameter of cylinder-bore 8 fluctuates 0.01mm(: if cylinder-bore 8 internal diameters are 20mm, escape pipe 5 is answered precision truing processing, make escape pipe 5 be controlled at 20 ± 0.01mm towards the external diameter of the end of cylinder-bore 8, to coordinate interference, install), directly by decompressor, escape pipe 5 is squeezed in cylinder-bore 8; Welding adopts non-naked light mode: the first flange 6 adopts stove brazing mode and escape pipe 5 to be welded to connect together with the second flange 7, can one-shot forming, save operation, then the first flange 6 and compressor case 9, the second flange 7 are adopted respectively to electric resistance welding with 4 of bottom end covers.
Adopt the present embodiment technical scheme, can be only for the annexation of the separatory pipeline between knockout and compressor, the first flange 6 adopts the mode of interference fit to be pressed into cylinder-bore 8, component surface fineness is higher, avoided the use of transition conduit, in the effect of guaranteeing to be tightly connected, the cost that has also reduced manufacturing procedure, transition fitting drops into, the first flange 6 is set between compressor case 9 and escape pipe 5, the second flange 7 is set between escape pipe 5 and bottom end cover 4, the effect that the first flange 6 and the second flange 7 can play location, support; Simultaneously, the slice weldering or the electric resistance welding that during each parts welding, adopt all belong to non-naked light mode, avoid forming oxide skin in the separatory pipelines such as escape pipe 5, cylinder-bore 8 and bottom end cover 4 outlets, guarantee separatory passage circulate, be conducive to the interior gas-liquid mixed of knockout even; The syndeton of flange mode can realize fast, easily and changing, knockout is applicable to compressor and the liquid reservoir of different model, thereby application is comparatively flexible, both can meet the user demand of different processing occasions, improved again the service efficiency of the parts such as knockout.
The syndeton of the present embodiment refrigerating plant cooling system, in conjunction with Fig. 4, comprise liquid reservoir, knockout and compressor, knockout comprises air inlet pipe 1, upper end cover 2, middle cylinder body 3, bottom end cover 4 and escape pipe 5, air inlet pipe 1 is connected with upper end cover 2 by three-flange 10, one end of knockout escape pipe 5 is pressed into the cylinder-bore 8 of compressor with interference fit, the first flange 6 is sleeved between escape pipe 5 and compressor case 9, adopts welding manner that the first flange 6 is connected with escape pipe 5 with compressor case 9; The other end of escape pipe 5 is connected to bottom end cover 4, between escape pipe 5 and bottom end cover 4, by the second flange 7, is connected, and between the second flange 7 and escape pipe 5, bottom end cover 4, adopts electric resistance welding or stove brazing mode to be connected.Wherein, interference fit in the present embodiment, the external diameter of escape pipe 5 is that the internal diameter of cylinder-bore 8 fluctuates 0.008mm(: if cylinder-bore 8 internal diameters are 20mm, escape pipe 5 is answered precision truing processing, make escape pipe 5 be controlled at 20 ± 0.008mm towards the external diameter of the end of cylinder-bore 8, to coordinate interference, install), directly by hydraulic means, escape pipe 5 is squeezed in cylinder-bore 8; Welding adopts non-naked light mode: the first flange 6 adopts stove brazing mode and escape pipe 5 to be welded to connect together with the second flange 7, can one-shot forming, save operation, then the first flange 6 and compressor case 9, the second flange 7 are adopted respectively to electric resistance welding with 4 of bottom end covers; Between three-flange 10 and air inlet pipe 1, adopt gas brazing, between three-flange 10 and upper end cover 2, adopt electric resistance welding.
Adopt the present embodiment technical scheme, the first flange 6 adopts the mode of interference fit to be pressed into cylinder-bore 8, component surface fineness is higher, avoided the use of transition conduit, in the effect of guaranteeing to be tightly connected, the cost that has also reduced manufacturing procedure, transition fitting drops into, the first flange 6 is set between compressor case 9 and escape pipe 5, the second flange 7 is set between escape pipe 5 and bottom end cover 4, three-flange 10 is set between air inlet pipe 1 and upper end cover 2, the effect that the first flange 6, the second flange 7 and three-flange 10 can play location, support; Simultaneously, the slice weldering or the electric resistance welding that during each parts welding, adopt all belong to non-naked light mode, avoid forming oxide skin in the separatory pipelines such as air inlet pipe 1, upper end cover 2 entrances, middle cylinder body 3, bottom end cover 4 outlets, escape pipe 5 and cylinder-bore 8, guarantee separatory passage circulate, be conducive to the interior gas-liquid mixed of knockout even; The syndeton of flange mode can realize fast, easily and changing, knockout is applicable to compressor and the liquid reservoir of different model, thereby application is comparatively flexible, both can meet the user demand of different processing occasions, improved again the service efficiency of the parts such as knockout.
Claims (8)
1. the syndeton of refrigerating plant cooling system, comprise liquid reservoir, knockout and compressor, knockout comprises air inlet pipe, upper end cover, middle cylinder body, bottom end cover and escape pipe, it is characterized in that: described knockout escape pipe interference fit is pressed into the cylinder-bore of compressor, the first flange is sleeved between escape pipe and compressor case, adopts welding manner that the first flange is connected with escape pipe with compressor case.
2. the syndeton of refrigerating plant cooling system as claimed in claim 1, is characterized in that: described interference fit refers to that escape pipe carries out precision truing processing, and its external diameter is controlled at cylinder-bore internal diameter and differs 0.005-0.01mm.
3. the syndeton of refrigerating plant cooling system as claimed in claim 1, is characterized in that: described welding adopts the non-naked light mode of electric resistance welding or slice weldering.
4. the syndeton of refrigerating plant cooling system as claimed in claim 3, is characterized in that: the first described flange and escape pipe first weld one by slice and weld, then the first flange and compressor case are adopted to electric resistance welding.
5. the syndeton of the refrigerating plant cooling system as described in claim 1,2,3 or 4 any one, it is characterized in that: between described escape pipe and bottom end cover, by the second flange, be connected, between the second flange and escape pipe, bottom end cover, adopt electric resistance welding or stove brazing mode to be connected.
6. the syndeton of refrigerating plant cooling system as claimed in claim 5, it is characterized in that: the second described flange adopts slice weldering to be welded to connect with escape pipe together with the first flange, can one-shot forming, save operation, between the second flange and bottom end cover, adopt electric resistance welding.
7. the syndeton of refrigerating plant cooling system as claimed in claim 5, is characterized in that: between described escape pipe and upper end cover, by three-flange, be connected, between three-flange and air inlet pipe, upper end cover, adopt electric resistance welding or gas brazing mode to be connected.
8. the syndeton of refrigerating plant cooling system as claimed in claim 7, is characterized in that: between described three-flange and upper end cover, adopt electric resistance welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310511666.9A CN103542644A (en) | 2013-10-25 | 2013-10-25 | Connection structure of cooling system of refrigerating plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310511666.9A CN103542644A (en) | 2013-10-25 | 2013-10-25 | Connection structure of cooling system of refrigerating plant |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103851845A (en) * | 2014-03-12 | 2014-06-11 | 嵊州市新高轮制冷设备有限公司 | Liquid receiver |
| CN104864642A (en) * | 2014-02-26 | 2015-08-26 | 南昌中昊机械有限公司 | Accumulator and manufacturing method thereof |
| CN105020947A (en) * | 2015-07-07 | 2015-11-04 | 嵊州市新高轮制冷设备有限公司 | Manufacturing method of liquid storage device |
| CN105135769A (en) * | 2015-10-16 | 2015-12-09 | 嵊州市新高轮制冷设备有限公司 | Connection method of liquid reservoir |
| CN105157288A (en) * | 2015-10-16 | 2015-12-16 | 嵊州市新高轮制冷设备有限公司 | Connecting method for liquid accumulating device |
| CN105202832A (en) * | 2015-10-16 | 2015-12-30 | 嵊州市新高轮制冷设备有限公司 | Connection method of liquid storage device |
| CN107289690A (en) * | 2017-08-14 | 2017-10-24 | 嵊州市新高轮制冷设备有限公司 | The attachment structure of a kind of reservoir and compressor and connection method |
| CN107388635A (en) * | 2017-08-14 | 2017-11-24 | 嵊州市新高轮制冷设备有限公司 | The attachment structure of a kind of reservoir and compressor and connection method |
| CN107477919A (en) * | 2017-08-14 | 2017-12-15 | 嵊州市新高轮制冷设备有限公司 | The Hermetical connecting structure of a kind of reservoir and compressor and connection method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864642A (en) * | 2014-02-26 | 2015-08-26 | 南昌中昊机械有限公司 | Accumulator and manufacturing method thereof |
| CN103851845A (en) * | 2014-03-12 | 2014-06-11 | 嵊州市新高轮制冷设备有限公司 | Liquid receiver |
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| CN105202832A (en) * | 2015-10-16 | 2015-12-30 | 嵊州市新高轮制冷设备有限公司 | Connection method of liquid storage device |
| CN107289690A (en) * | 2017-08-14 | 2017-10-24 | 嵊州市新高轮制冷设备有限公司 | The attachment structure of a kind of reservoir and compressor and connection method |
| CN107388635A (en) * | 2017-08-14 | 2017-11-24 | 嵊州市新高轮制冷设备有限公司 | The attachment structure of a kind of reservoir and compressor and connection method |
| CN107477919A (en) * | 2017-08-14 | 2017-12-15 | 嵊州市新高轮制冷设备有限公司 | The Hermetical connecting structure of a kind of reservoir and compressor and connection method |
| CN107289690B (en) * | 2017-08-14 | 2018-06-22 | 嵊州市新高轮制冷设备有限公司 | The connection structure and connection method of a kind of liquid storage device and compressor |
| CN107477919B (en) * | 2017-08-14 | 2018-07-27 | 嵊州市新高轮制冷设备有限公司 | A kind of Hermetical connecting structure and the connection method of liquid storage device and compressor |
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Application publication date: 20140129 |
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