CN102962631B - Assembling method for liquid storage device and compressor - Google Patents
Assembling method for liquid storage device and compressor Download PDFInfo
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- CN102962631B CN102962631B CN201210502614.0A CN201210502614A CN102962631B CN 102962631 B CN102962631 B CN 102962631B CN 201210502614 A CN201210502614 A CN 201210502614A CN 102962631 B CN102962631 B CN 102962631B
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Abstract
The invention relates to the technical field of compressors, in particular to an assembling method for a liquid storage device and a compressor. The assembling method comprises the steps that a through hole is formed in a side surface of a housing; a flange is formed at the edge of the through hole; the diameter of the through hole is greater than the outer diameter of an air inlet pipe; an air cylinder is placed in the housing; a first end of the air inlet pipe penetrates the through hole and is pressed into an air inlet of the air cylinder; a seal groove is formed at the air inlet and internally provided with a seal ring; the seal ring is connected with a side wall of the air inlet pipe in a sleeving manner; and the flange is welded with the air inlet pipe along the excircle of the air inlet pipe after the air cylinder is fixed in the housing. According to the assembling method, the air inlet pipe is connected with the housing directly, refrigerant gas enters the air cylinder directly through the air inlet pipe and passes through few parts; and the seal ring is arranged between the air inlet pipe and the air inlet of the air cylinder, so that leakage is avoided. As the air inlet pipe is fixed by the flange, the structure is simple; the assembling is convenient; welding positions are few; the welding material consumption and the labor intensity can be reduced; and the production efficiency can be improved.
Description
Technical field
The present invention relates to Compressor Technology field, particularly relate to the assemble method of a kind of reservoir and compressor.
Background technology
Compressor, it is a kind of fluid machinery low-pressure gas being promoted to gases at high pressure, 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 air inlet pipe, after cylinder compresses it, discharge the refrigerant gas of HTHP from blast pipe, for kind of refrigeration cycle provides power, thus realize the kind of refrigeration cycle of compression → condensation → expansion → evaporation.Due in system operation process, cannot ensure that cold-producing medium can be vaporized completely at evaporation stage, enter cylinder cause liquid hammer in order to avoid having liquid cold-producing medium from evaporimeter cold-producing medium out, need to arrange reservoir between cylinder and evaporimeter, cylinder is communicated with by air inlet pipe with reservoir, but, due to structure, the problem such as material and welding procedure of jockey, always there is such as complex procedures, high cost, failure welding and cause many-sided problems such as Leakage Gas in the packaging technology of reservoir and compressor, causes great puzzlement to industry.
For solving this problem, the patent No. be 200410096520.3 Chinese invention patent disclose one " sucking pipe connection structure of rotary compressor ", as Fig. 1, shown in Fig. 2, it comprises the shell 1` of compressor, cylinder 2`, suction line 5`, adapter 4`, air inlet pipe 3`, wherein, cylinder 2` is arranged in shell 1`, and cylinder 2` is provided with suction inlet 21`, suction inlet 21`, suction line 5`, adapter 4` is equipped with coniform coupling part, shell 1` is provided with the through hole 11` be communicated with suction inlet 21`, through hole 11` is outside equipped with outer shell flanch 12`, suction line 5` is provided with the suction line flange 51` conflicted with outer shell flanch 12`, adapter 4` is provided with the adapter flange 41` conflicted with suction line flange 51`, during assembling, air inlet pipe 3` stretches in adapter 4`, adapter 4` stretches in suction line 5`, suction line 5` stretches in suction inlet 21` by through hole 11`, it ensures the concentricity of each part by the interconnective conical surface, and by outer shell flanch 12`, suction line flange 51`, adapter flange 41` conflicts successively and positions, although this technical scheme simplifies the structure, easily operate during assembling, carrying out welding at flange portion also makes welding comparatively easy, but, there are the following problems for this technical scheme.
The requirement on machining accuracy of each part is very high, and due to the scale error of machining, usually cannot ensure required machining accuracy.Such as, the tapering of cylinder suction inlet 21` inner surface must be consistent with the tapering of suction line 5` outer surface, if cylinder suction inlet 21` and suction line 5` can not fit well, gas will ooze out along both gaps, and enters the inside of compressor case 1`.Again such as, outer shell flanch 12` stretches out size and must coordinate with suction line flange 51`, suction line 5` outer surface, otherwise, may occur that suction line 5` and suction inlet 21` fits, and outer shell flanch 12`, suction line flange 51` not yet conflict, thus cause there is larger gap between outer shell flanch 12`, suction line flange 51`, thus need to consume more wlding, cause cost increase, otherwise, possible outer shell flanch 12`, suction line flange 51` conflict, and suction line 5` and suction inlet 21` not yet fits, and causes gas to ooze out.Similarly, also need control accuracy to other sizes of suction line 5`, adapter 4`, these sizes interdepend, as long as there is a place to go wrong, all may cause cascading failure.
During the welding of this technical scheme, need the weld seam forming an annular at outer shell flanch 12` to air inlet pipe 3`, the width of welding exceedes the length sum of suction line flange 51`, adapter flange 41`, therefore needs to consume more wlding, cause cost increase, the labour intensity of welding is large.
In view of the defect of prior art, the applicant makes improvement to prior art, structure after improvement as shown in Figure 3, it comprises housing 1, outer connecting pipe 5, inner connection tube 4, air inlet pipe 3, wherein, air inlet pipe 3 is copper pipe, outer connecting pipe 5 is socketed in outside inner connection tube 4, inner connection tube 4 is socketed in inside air inlet pipe 3, the first end of outer connecting pipe 5 welds with housing 1, the air inlet 21 of the first end press-in cylinder 2 of inner connection tube 4, second end of outer connecting pipe 5, second of inner connection tube 4 is held level with both hands together, by the second end of inner connection tube 4 and the second end of outer connecting pipe 5, air inlet pipe 3 welds together simultaneously, welding all adopts gas brazing welding.This technical scheme scientific structure is simple, convenient welding, but due to the price of copper pipe very expensive, cause cost very high, and during the second end welding to inner connection tube, operation is more difficult.
Visible, above-mentioned syndeton still has inconvenience and defect, is urgently further improved.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, and the assemble method of a kind of reservoir and compressor is provided, it is easy to process, enhance productivity, and ensures welding effect, avoids that assembling procedure in prior art is complicated, gas easily leaks, the more high defect of cost.
The technical solution adopted for the present invention to solve the technical problems is: the assemble method of a kind of reservoir and compressor, it comprises the steps:
A, arrange pass through aperture in the housing side of compressor, the edge of through hole is provided with flange, and the diameter of this through hole is greater than the external diameter of air inlet pipe;
B, cylinder is arranged in housing, the air inlet of cylinder is consistent with the direction of through hole, and be pressed in the air inlet of cylinder through through hole by the first end of air inlet pipe, air inlet is provided with seal groove, be provided with sealing ring in seal groove, seal ring set is connected to the sidewall of air inlet pipe;
C, along the cylindrical of air inlet pipe, flange to be welded with air inlet pipe.
Wherein, air inlet pipe is copper pipe, steel pipe or copper facing steel pipe.
When air inlet pipe is steel pipe, the junction of flange and air inlet pipe adopts CO
2protection weldering, electric resistance welding or friction welding (FW) welding.
When air inlet pipe be copper pipe or copper facing steel pipe time, flange adopts gas brazing or friction welding (FW) to weld with the junction of air inlet pipe.
Or be filled with weld-ring or weld tabs between flange and air inlet pipe, flange adopts ratio-frequency welding to weld with the junction of air inlet pipe.
For the present invention, the material of the sealing ring in step b is rubber, resin or metal.
For the present invention, in step a, the angle between flange and air inlet pipe is 0 ~ 90 °.
Preferably, in step a, flange is parallel with air inlet pipe, the lateral vertical of flange and housing.
For the present invention, during welding, clamp housing by frock clamp, the axis making housing move into tracheae rotates, while welding.
For the present invention, in step a, flange is horn-like, the diameter of flange becomes large gradually along the direction away from housing, air inlet pipe is provided with trumpet-shaped lug boss, is filled with weld-ring or weld tabs between flange and lug boss, and flange adopts ratio-frequency welding to weld with the junction of lug boss.
The invention has the beneficial effects as follows: the assemble method of a kind of reservoir and compressor, the side of housing is provided with through hole, the edge of through hole is provided with flange, cylinder is arranged in housing, the first end of air inlet pipe is pressed into through through hole in the air inlet of cylinder, air inlet is provided with seal groove, sealing ring is provided with in seal groove, seal ring set is connected to the sidewall of air inlet pipe, flange welds with air inlet pipe by the cylindrical along air inlet pipe, air inlet pipe is directly connected with housing by the present invention, refrigerant gas directly enters cylinder by air inlet pipe, the part of gas process is few, and be provided with sealing ring between air inlet pipe and the air inlet of cylinder, thus avoid leaking, air inlet pipe is fixed by flange in the present invention, structure is simple, easy to assembly, and welding position is few, wlding consumption can be reduced, reduce labour intensity, enhance productivity.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the syndeton of existing reservoir and compressor.
Fig. 2 is the generalized section of the syndeton of reservoir and compressor in Fig. 1.
Fig. 3 is the generalized section of the another kind of syndeton of existing reservoir and compressor.
Fig. 4 is the generalized section of a kind of embodiment of the syndeton of reservoir of the present invention and compressor.
Fig. 5 is the generalized section of the another kind of embodiment of the syndeton of reservoir of the present invention and compressor.
Description of reference numerals:
1---housing 11---through hole
12---flange 2---cylinder
21---air inlet 22---seal groove
3---air inlet pipe 31---lug boss
4---sealing ring.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not practical range of the present invention is limited to this.
embodiment one.
As shown in Figure 4, Figure 5, the reservoir of the present embodiment and the assemble method of compressor, it comprises the steps:
A, pass through aperture 11 is set in housing 1 side of compressor, the edge of through hole 11 is provided with flange 12, flange 12 can pass through punch forming, angle between flange 12 and air inlet pipe 3 is 0 ~ 90 °, this angle is 0 ~ 90 ° and refers to that the shape of flange 12 is one outwardly tubaeform, and flaring flange 12 is convenient to air inlet pipe 3 and is inserted through hole 11, is also convenient to weld with air inlet pipe 3 flange 12, the diameter of this through hole 11 is greater than the external diameter of air inlet pipe 3, and housing 1 is steel material;
B, cylinder 2 is arranged in housing 1, the air inlet 21 of cylinder 2 is consistent with the direction of through hole 11, the first end of air inlet pipe 3 is pressed in the air inlet 21 of cylinder 2 through through hole 11, air inlet 21 is provided with seal groove 22, sealing ring 4 is provided with in seal groove 22, the material of sealing ring 4 can be the materials such as rubber, resin or metal, and sealing ring 4 is socketed on the sidewall of air inlet pipe 3;
C, along the cylindrical of air inlet pipe 3, flange 12 to be welded with air inlet pipe 3.
For the present invention, air inlet pipe 3 can be copper pipe, steel pipe or copper facing steel pipe, and preferably, air inlet pipe 3 is steel pipe, and now, flange 12 can adopt CO2 to protect with the junction of air inlet pipe 3 to weld, electric resistance welding or friction welding (FW) weld.When air inlet pipe 3 be copper pipe or copper facing steel pipe time, flange 12 can adopt gas brazing or friction welding (FW) to weld with the junction of air inlet pipe 3.Also can be filled with weld-ring or weld tabs between flange 12 and air inlet pipe 3, flange 12 adopts ratio-frequency welding to weld with the junction of air inlet pipe 3.
Preferably, as shown in Figure 4, in step a, flange 12 is parallel with air inlet pipe 3, between angle be 0, the angle namely between flange 12 and air inlet pipe is 0, the lateral vertical of flange 12 and housing 1.Now flange 12 is one section of pipe, and air inlet pipe 3 is socketed in flange 12, this flange 12 and housing 1 matched in clearance, for this embodiment, air inlet pipe 3 is large with the contact area of flange 12, good fixing effect, but also require higher processing request, controlling dimension error.
Air inlet pipe 3 is directly connected with housing 1 by the present invention, refrigerant gas directly enters cylinder 2 by air inlet pipe 3, and the part of gas process is few, and is provided with sealing ring 4 between the air inlet 21 of air inlet pipe 3 and cylinder 2, thus avoid leaking, fix air inlet pipe 3 by flange 12 in the present invention, structure is simple, easy to assembly, and welding position is few, wlding consumption can be reduced, reduce labour intensity, enhance productivity.
During welding, because weld seam is circular, for convenience of welding, housing 1 can be fixed on frock clamp, frock clamp rotarily drives housing 1 and rotates, and the axis of air inlet pipe 3 is pivot, makes housing 1 limit rotate side weld and connects.
In step a, flange 12 is horn-like, and the diameter of flange 12 becomes large gradually along the direction away from housing 1, and air inlet pipe 3 is provided with trumpet-shaped lug boss 31, be filled with weld-ring or weld tabs between flange 12 and lug boss 31, flange 12 adopts ratio-frequency welding to weld with the junction of lug boss 31.
As another kind of embodiment, as shown in Figure 5, in step a, flange 12 is horn-like, the diameter of flange 12 becomes large gradually along the direction away from housing 1, the trend of this diameter change can be linear, also can be nonlinear, air inlet pipe 3 is provided with trumpet-shaped lug boss 31, and this lug boss 31 stretches in flange 12, when flange 12 welds with lug boss 31, flange 12 and lug boss 31 are not close contact, but leave gap, this gap is used for being filled with weld-ring or weld tabs, and flange 12 adopts ratio-frequency welding to weld with lug boss 31.Because flange 12 and lug boss 31 are not close contact, therefore to air inlet pipe 3, the position of flange 12, angle can be finely tuned relatively.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although done to explain to the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technical scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.
Claims (1)
1. the assemble method of reservoir and compressor, is characterized in that: comprise the steps:
A, pass through aperture is set in the housing side of compressor, the edge of through hole is provided with flange, the diameter of this through hole is greater than the external diameter of air inlet pipe, flange is horn-like, the diameter of flange becomes large gradually along the direction away from housing, air inlet pipe is provided with trumpet-shaped lug boss, and this lug boss stretches in flange, is filled with weld-ring or weld tabs between flange and lug boss;
B, cylinder is arranged in housing, the air inlet of cylinder is consistent with the direction of through hole, the first end of air inlet pipe is pressed into through through hole in the air inlet of cylinder, air inlet is provided with seal groove, sealing ring is provided with in seal groove, seal ring set is connected to the sidewall of air inlet pipe, and the material of described sealing ring is rubber, resin or metal;
C, to be welded with air inlet pipe by flange along the cylindrical of air inlet pipe, during welding, clamp housing by frock clamp, the axis making housing move into tracheae rotates, and welds on one side.
2
.the assemble method of reservoir according to claim 1 and compressor, is characterized in that: air inlet pipe is copper pipe, steel pipe or copper facing steel pipe.
3
.the assemble method of reservoir according to claim 2 and compressor, is characterized in that: air inlet pipe is steel pipe, and the junction of flange and air inlet pipe adopts CO
2protection weldering, electric resistance welding or friction welding (FW) welding.
4
.the assemble method of reservoir according to claim 2 and compressor, is characterized in that: air inlet pipe is copper pipe or copper facing steel pipe, and flange adopts gas brazing or friction welding (FW) to weld with the junction of air inlet pipe.
5
.the assemble method of reservoir according to claim 1 and compressor, is characterized in that: in step a, and flange adopts ratio-frequency welding to weld with the junction of lug boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210502614.0A CN102962631B (en) | 2012-11-30 | 2012-11-30 | Assembling method for liquid storage device and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210502614.0A CN102962631B (en) | 2012-11-30 | 2012-11-30 | Assembling method for liquid storage device and compressor |
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| Publication Number | Publication Date |
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| CN102962631A CN102962631A (en) | 2013-03-13 |
| CN102962631B true CN102962631B (en) | 2015-07-01 |
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| CN201210502614.0A Active CN102962631B (en) | 2012-11-30 | 2012-11-30 | Assembling method for liquid storage device and compressor |
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| CN109595139A (en) * | 2018-12-25 | 2019-04-09 | 浙江麦迪制冷科技股份有限公司 | A kind of oil level controllers and attaching method thereof |
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| 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 |
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| CN102151930A (en) * | 2011-03-18 | 2011-08-17 | 哈尔滨工业大学深圳研究生院 | Dissimilar metal material brazing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02301681A (en) * | 1989-05-15 | 1990-12-13 | Daikin Ind Ltd | Manufacture of compressor |
| JPH03160169A (en) * | 1989-11-17 | 1991-07-10 | Sanyo Electric Co Ltd | Closed type compressor |
| JP2010101252A (en) * | 2008-10-24 | 2010-05-06 | Panasonic Corp | Hermetically-sealed compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4639198A (en) * | 1984-11-13 | 1987-01-27 | Tecumseh Products Company | Suction tube seal for a rotary compressor |
| CN101761484A (en) * | 2008-12-26 | 2010-06-30 | 上海日立电器有限公司 | Connecting method of rotary compressor reservoir and pump body |
| CN101666568A (en) * | 2009-09-02 | 2010-03-10 | 浙江盾安机械有限公司 | Liquid reservoir and manufacture method thereof as well as air-conditioner |
| CN102151930A (en) * | 2011-03-18 | 2011-08-17 | 哈尔滨工业大学深圳研究生院 | Dissimilar metal material brazing method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109595139A (en) * | 2018-12-25 | 2019-04-09 | 浙江麦迪制冷科技股份有限公司 | A kind of oil level controllers and attaching method thereof |
| CN109595139B (en) * | 2018-12-25 | 2024-01-09 | 浙江麦迪制冷科技股份有限公司 | Oil level controller connection method |
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| CN102962631A (en) | 2013-03-13 |
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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 523181 Patentee before: Dongguan Jinrui Hardware Products Co., Ltd. |