CN107477919B - A kind of Hermetical connecting structure and the connection method of liquid storage device and compressor - Google Patents
A kind of Hermetical connecting structure and the connection method of liquid storage device and compressor Download PDFInfo
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- CN107477919B CN107477919B CN201710691945.6A CN201710691945A CN107477919B CN 107477919 B CN107477919 B CN 107477919B CN 201710691945 A CN201710691945 A CN 201710691945A CN 107477919 B CN107477919 B CN 107477919B
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- iron pipe
- flange
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- liquid storage
- hole
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- 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
- F25B31/00—Compressor arrangements
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Compressor (AREA)
Abstract
A kind of Hermetical connecting structure and the connection method of liquid storage device and compressor belong to refrigeration accessory technical field.In the present invention, gasket is set on the inner wall in cylinder intake hole, iron pipe and gasket are in close contact by ambient pressure, iron pipe is made to be connect with gasket seal, to make iron pipe be tightly connected with compresser cylinder, avoids that refrigerant gas leakage occurs.By the way that second flange is arranged, using second flange as welding bite, it is convenient for the welding of first flange and second flange, improves welding quality, various welding manners can be used between first flange and second flange.
Description
Technical field
The invention belongs to accessory technical fields of freezing, and are specifically related to a kind of Hermetical connecting structure of liquid storage device and compressor
And connection method.
Background technology
Compressor is a kind of fluid machinery that low-pressure gas is promoted to high pressure gas, is the heart of refrigeration system, compression
The enclosure interior of machine is provided with cylinder, and when work, the refrigerant gas of low-temp low-pressure enters cylinder from air inlet pipe, cylinder to its into
After row compression, the refrigerant gas of high temperature and pressure is discharged from exhaust pipe, power is provided for refrigeration cycle, to realize that compression-is cold
The refrigeration cycle of solidifying-expansion-evaporation.Due to that in system operation process, can not ensure that refrigerant can be complete in evaporation stage
Vaporization, the refrigerant in order to avoid having liquid from the refrigerant of evaporator out enter cylinder and cause liquid hammer, need compressing
Liquid storage device is set between machine and evaporator, cylinder is connected to liquid storage device by air inlet pipe, however, due to the structure of attachment device,
The packaging technology of the problems such as material and welding procedure, liquid storage device and compressor is constantly present such as complex procedures, and failure welding is led
Various problems such as gas leakage are caused, cause greatly to perplex to industry.And original connection type is needed using repeatedly weldering
It connects, therefore causes welding cost height, the consumption energy more.
Invention content
The present invention is mainly to solve technical problem present in the above-mentioned prior art, provides a kind of liquid storage device and compressor
Hermetical connecting structure and connection method.
The above-mentioned technical problem of the present invention is mainly to be addressed by following technical proposals：A kind of liquid storage device and compression
The Hermetical connecting structure of the connection method of the Hermetical connecting structure of machine, the liquid storage device and compressor includes liquid storage device and compressor
Shell, the liquid storage device are equipped with liquid storage device outlet iron pipe, and the front end of the liquid storage device outlet iron pipe is equipped with second flange, described
Liquid storage device outlet iron pipe is connected with iron pipe, and one is welded on by second flange between the rear end and liquid storage device outlet iron pipe of iron pipe
It rises, the outside of the compressor housing is equipped with through hole, is welded with first flange at the through hole, in the compression case body
Equipped with compresser cylinder, the compresser cylinder is equipped with air admission hole, and air admission hole is consistent with the direction of through hole, the air admission hole
Outer end be set as stepped hole, the interior bottom of stepped hole is equipped with gasket, and the material of the gasket is rubber, resin or metal,
When the outer diameter of the iron pipe is not less than the internal diameter of compresser cylinder air admission hole, iron pipe and stepped hole clearance fit, the iron pipe
When outer diameter is less than the internal diameter of compresser cylinder air admission hole, the end of the iron pipe is equipped with third flange, and the outer diameter of third flange is big
In internal diameter and third flange and the stepped hole clearance fit of compresser cylinder air admission hole, it is characterised in that the connection method is：
Compressor set is installed whole, placement gasket in the air admission hole of compresser cylinder by step (1)；
Step (2) places second flange in the front end of liquid storage device outlet iron pipe, and liquid storage device outlet iron pipe is welded with second flange
When connecing, while the rear end of liquid storage device outlet iron pipe and iron pipe being welded, welding manner is welded using slice；
Step (3) wears the front end of iron pipe when the outer diameter of the iron pipe is not less than the internal diameter of compresser cylinder air admission hole
The through hole of overcompression casing body, iron pipe and stepped hole clearance fit, are closely connect iron pipe end face with gasket by ambient pressure
It touches, to make iron pipe be connect with gasket seal, when the outer diameter of the iron pipe is less than the internal diameter of compresser cylinder air admission hole, iron pipe
End be equipped with third flange, the outer diameter of third flange is more than the internal diameter of compresser cylinder air admission hole and third flange and stepped hole
The medial surface of third flange and gasket are in close contact, to make iron pipe connect with gasket seal by clearance fit by ambient pressure
It connects；
Step (4), first flange and second flange are welded, and complete the connection of liquid storage device and compressor housing, weldering
The mode of connecing use electric resistance welding, argon arc welding, CO2 welding, laser welding, flame welding or other with inert gas or reduction
Gas is that the electric arc of protective gas welds.
The device have the advantages that：In the present invention, gasket is equipped on the interior bottom of stepped hole, it will by ambient pressure
Iron pipe is in close contact with gasket, and iron pipe is made to be connect with gasket seal, to make iron pipe be tightly connected with compresser cylinder, avoids sending out
Raw refrigerant gas leakage.By the way that second flange is arranged, using second flange as welding bite, it is convenient for first flange and second
The welding of flange, improves welding quality, and various welding manners can be used between first flange and second flange.
Description of the drawings
Fig. 1 is a kind of sealed connection schematic diagram of the present invention；
Fig. 2 is that the another of the present invention is tightly connected schematic diagram；
Fig. 3 is a kind of welding process figure for using electric resistance welding in Fig. 1 between liquid storage device and compressor housing；
Fig. 4 is the enlarged diagram in the portions A in Fig. 3；
Fig. 5 is a kind of welding process figure for using electric resistance welding in Fig. 2 between liquid storage device and compressor housing.
In figure：1, liquid storage device；2, liquid storage device outlet iron pipe；3, second flange；4, iron pipe；5, compressor housing；6, run through
Hole；7, first flange；8, compresser cylinder；9, air admission hole；10, negative electrode；11, positive electrode；12, electric resistance welding；13, gasket；14、
Third flange；15, stepped hole.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1：As described in Figure 1, including liquid storage device and compressor housing, the liquid storage device are equipped with liquid storage device outlet iron
The front end of pipe, the liquid storage device outlet iron pipe is equipped with second flange, and the liquid storage device outlet iron pipe is connected with iron pipe, iron pipe rear end
Welded together by second flange between liquid storage device outlet iron pipe, the outside of the compressor housing is equipped with through hole, institute
It states and is welded with first flange at through hole, compresser cylinder is equipped in the compression case body, the compresser cylinder is equipped with
Air admission hole, air admission hole is consistent with the direction of through hole, and the outer end of the air admission hole is set as stepped hole, on the interior bottom of stepped hole
Equipped with gasket, the outer diameter of the iron pipe is not less than the internal diameter of compresser cylinder air admission hole, iron pipe and stepped hole clearance fit, passes through
Iron pipe end face and gasket are in close contact by ambient pressure, to make iron pipe, gasket and compresser cylinder three be tightly connected.Pass through
First flange and second flange are welded, to complete the connection of liquid storage device and compressor housing.Welding is in protection gas
It is carried out under body, protective gas is carbon dioxide or argon gas, and welding uses arc welding.Since protective gas used is cheap,
It is good using appearance of weld when short circuiting transfer, save enterprise's welding cost.
Embodiment 2：As described in Figure 2, including liquid storage device and compressor housing, the liquid storage device are equipped with liquid storage device outlet iron
The front end of pipe, the liquid storage device outlet iron pipe is equipped with second flange, and the liquid storage device outlet iron pipe is connected with iron pipe, iron pipe rear end
Welded together by second flange between liquid storage device outlet iron pipe, the outside of the compressor housing is equipped with through hole, institute
It states and is welded with first flange at through hole, compresser cylinder is equipped in the compression case body, the compresser cylinder is equipped with
Air admission hole, air admission hole is consistent with the direction of through hole, and the outer end of the air admission hole is set as stepped hole, on the interior bottom of stepped hole
Equipped with gasket, the outer diameter of the iron pipe is less than the internal diameter of compresser cylinder air admission hole, and the end of the iron pipe is equipped with third flange,
The outer diameter of third flange passes through the external world and presses more than the internal diameter and third flange and stepped hole clearance fit of compresser cylinder air admission hole
The medial surface of third flange and gasket are in close contact by power, to make iron pipe, gasket and compresser cylinder three be tightly connected.It is logical
It crosses and first flange and second flange is welded, to complete the connection of liquid storage device and compressor housing.Welding is to protect
It is carried out under gas, protective gas is carbon dioxide or argon gas, and welding uses arc welding.Since protective gas price used is low
It is honest and clean, it is good using appearance of weld when short circuiting transfer, save enterprise's welding cost.
Embodiment 3：As described in Fig. 3,4, including liquid storage device and compressor housing, the liquid storage device are equipped with liquid storage device outlet
Iron pipe, the front end of the liquid storage device outlet iron pipe are equipped with second flange, and the liquid storage device outlet iron pipe is connected with iron pipe, iron pipe with
Welded together by second flange between liquid storage device outlet iron pipe, the outside of the compressor housing is equipped with through hole, described
Be welded with first flange at through hole, be equipped with compresser cylinder in the compression case body, the compresser cylinder be equipped with into
Stomata, air admission hole is consistent with the direction of through hole, and the outer end of the air admission hole is set as stepped hole, is set on the interior bottom of stepped hole
There is gasket, the outer diameter of the iron pipe is not less than the internal diameter of compresser cylinder air admission hole, iron pipe and stepped hole clearance fit, by outer
Iron pipe end face and gasket are in close contact by boundary's pressure, to make iron pipe, gasket and compresser cylinder three be tightly connected.By right
First flange and second flange carry out electric resistance welding, to complete the connection of liquid storage device and compressor housing.Due to welding liquid storage device
When whole compressor installation is complete, so when using electric resistance welding liquid storage device, electrode can not be placed in compressor housing
It is interior, if negative electrode to be clamped in the outer surface of compressor housing, electric current can be made not concentrate and can not weld.Therefore the first method
Orchid provides the position of clamping for negative electrode, when welding, negative electrode holding first flange, and outside court of the positive electrode from second flange
It presses to second flange；After energization, electric resistance welding is carried out between first flange and second flange, to complete liquid storage device and compression
The connection of casing body.
Embodiment 4：As described in Figure 5, including liquid storage device and compressor housing, the liquid storage device are equipped with liquid storage device outlet iron
The front end of pipe, the liquid storage device outlet iron pipe is equipped with second flange, and the liquid storage device outlet iron pipe is connected with iron pipe, iron pipe rear end
Welded together by second flange between liquid storage device outlet iron pipe, the outside of the compressor housing is equipped with through hole, institute
It states and is welded with first flange at through hole, compresser cylinder is equipped in the compression case body, the compresser cylinder is equipped with
Air admission hole, air admission hole is consistent with the direction of through hole, and the outer end of the air admission hole is set as stepped hole, on the interior bottom of stepped hole
Equipped with gasket, the outer diameter of the iron pipe is less than the internal diameter of compresser cylinder air admission hole, and the end of the iron pipe is equipped with third flange,
The outer diameter of third flange passes through the external world and presses more than the internal diameter and third flange and stepped hole clearance fit of compresser cylinder air admission hole
The medial surface of third flange and gasket are in close contact by power, to make iron pipe, gasket and compresser cylinder three be tightly connected.It is logical
It crosses and electric resistance welding is carried out to first flange and second flange, to complete the connection of liquid storage device and compressor housing.Since welding is stored up
Installation is complete for whole compressor when liquid device, so when using electric resistance welding liquid storage device, electrode can not be placed in compressor
In shell, if negative electrode to be clamped in the outer surface of compressor housing, electric current can be made not concentrate and can not weld.Therefore the
One flange provides the position of clamping for negative electrode, and when welding, negative electrode holds first flange tightly, and positive electrode is from the outer of second flange
Side presses towards second flange；After energization, electric resistance welding is carried out between first flange and second flange, to complete liquid storage device with
The connection of compressor housing.
Finally it is pointed out that above example is only the more representational example of the present invention.It is clear that the invention is not restricted to
Above-described embodiment, acceptable there are many deformations.It is every according to the technical essence of the invention to any letter made by above example
Single modification, equivalent variations and modification, are considered as belonging to the scope of protection of the present invention.
Claims (1)
1. a kind of connection method of the Hermetical connecting structure of liquid storage device and compressor, the sealed connection of the liquid storage device and compressor
Structure includes liquid storage device and compressor housing, and the liquid storage device is equipped with liquid storage device outlet iron pipe, the liquid storage device outlet iron pipe
Front end be equipped with second flange, the liquid storage device outlet iron pipe is connected with iron pipe, the rear end and liquid storage device outlet iron pipe of iron pipe it
Between welded together by second flange, the outside of the compressor housing is equipped with through hole, and the is welded at the through hole
One flange, is equipped with compresser cylinder in the compression case body, and the compresser cylinder is equipped with air admission hole, air admission hole with run through
The direction in hole is consistent, and the outer end of the air admission hole is set as stepped hole, and the interior bottom of stepped hole is equipped with gasket, the gasket
Material is rubber, resin or metal, when the outer diameter of the iron pipe is not less than the internal diameter of compresser cylinder air admission hole, iron pipe and step
Interporal lacuna coordinates, and when the outer diameter of the iron pipe is less than the internal diameter of compresser cylinder air admission hole, the end of the iron pipe is equipped with third
Flange, the outer diameter of third flange is more than the internal diameter and third flange and stepped hole clearance fit of compresser cylinder air admission hole, spy
Sign is that the connection method is：
Compressor set is installed whole, placement gasket in the air admission hole of compresser cylinder by step (1)；
Step (2) places second flange in the front end of liquid storage device outlet iron pipe, and liquid storage device outlet iron pipe is welded with second flange
When, while the rear end of liquid storage device outlet iron pipe and iron pipe being welded, welding manner is welded using slice；
The front end of iron pipe is passed through pressure by step (3) when the outer diameter of the iron pipe is not less than the internal diameter of compresser cylinder air admission hole
Iron pipe end face and gasket are in close contact by the through hole of contracting casing body, iron pipe and stepped hole clearance fit by ambient pressure, from
And iron pipe is made to be connect with gasket seal, and when the outer diameter of the iron pipe is less than the internal diameter of compresser cylinder air admission hole, the end of iron pipe
Portion is equipped with third flange, and the outer diameter of third flange is more than the internal diameter of compresser cylinder air admission hole and third flange and step interporal lacuna
The medial surface of third flange and gasket are in close contact, to make iron pipe be connect with gasket seal by cooperation by ambient pressure；
Step (4), first flange and second flange are welded, and complete the connection of liquid storage device and compressor housing, welding side
Formula use electric resistance welding, argon arc welding, CO2 welding, laser welding, flame welding or other with inert gas or reducing gas
It is welded for the electric arc of protective gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710691945.6A CN107477919B (en) | 2017-08-14 | 2017-08-14 | A kind of Hermetical connecting structure and the connection method of liquid storage device and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710691945.6A CN107477919B (en) | 2017-08-14 | 2017-08-14 | A kind of Hermetical connecting structure and the connection method of liquid storage device and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107477919A CN107477919A (en) | 2017-12-15 |
| CN107477919B true CN107477919B (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710691945.6A Active CN107477919B (en) | 2017-08-14 | 2017-08-14 | A kind of Hermetical connecting structure and the connection method of liquid storage device and compressor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814178A (en) * | 1994-06-30 | 1996-01-16 | Sanyo Electric Co Ltd | Rotary type compressor |
| CN201221471Y (en) * | 2008-05-22 | 2009-04-15 | 浙江博阳压缩机有限公司 | Rotary compressor air suction part structure |
| CN103542644A (en) * | 2013-10-25 | 2014-01-29 | 嵊州市新高轮制冷设备有限公司 | Connection structure of cooling system of refrigerating plant |
| CN203548217U (en) * | 2013-08-23 | 2014-04-16 | 广东美芝精密制造有限公司 | Compressor |
| 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 |
-
2017
- 2017-08-14 CN CN201710691945.6A patent/CN107477919B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814178A (en) * | 1994-06-30 | 1996-01-16 | Sanyo Electric Co Ltd | Rotary type compressor |
| CN201221471Y (en) * | 2008-05-22 | 2009-04-15 | 浙江博阳压缩机有限公司 | Rotary compressor air suction part structure |
| CN203548217U (en) * | 2013-08-23 | 2014-04-16 | 广东美芝精密制造有限公司 | Compressor |
| CN103542644A (en) * | 2013-10-25 | 2014-01-29 | 嵊州市新高轮制冷设备有限公司 | Connection structure of cooling system of refrigerating plant |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN107477919A (en) | 2017-12-15 |
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Effective date of registration: 20220804 Address after: 463500 intersection of Yueliangwan Avenue and Wenhua Road, industrial cluster area, Xincai County, Zhumadian City, Henan Province, 200m east of the road Patentee after: Henan Zhiyuan refrigeration equipment Co.,Ltd. Address before: 312400 Shengzhou new Gaolun refrigeration equipment Co., Ltd., Qianyuan Park, Shengzhou Economic Development Zone, Shaoxing City, Zhejiang Province Patentee before: SHENGZHOU XINGAOLUN REFRIGERATION EQUIPMENT CO.,LTD. |