CN203614410U - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
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- CN203614410U CN203614410U CN201320788361.8U CN201320788361U CN203614410U CN 203614410 U CN203614410 U CN 203614410U CN 201320788361 U CN201320788361 U CN 201320788361U CN 203614410 U CN203614410 U CN 203614410U
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- rotary compressor
- reinforcer
- main casing
- conduit
- utility
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Abstract
The utility model discloses a rotary compressor which comprises a main housing, a guiding pipe and a strengthening assembly, wherein an air inlet is formed in the main housing; the upper end of the main housing is sealed by an upper housing; the lower end of the main housing is sealed by a lower housing; the inner end of the guiding pipe is communicated with the inner part of the main housing through the air inlet; the strengthening assembly comprises two or more strengthening parts; the two strengthening parts are arranged on the side walls of the main housing, and arranged at intervals in the circumferential direction of the guiding pipe. According to the embodiment of the utility model, the rotary compressor is large in pressure resistant strength, low in manufacturing cost, simple in structure and high in reliability.
Description
Technical field
The utility model relates to Compressor Technology field, especially relates to a kind of rotary compressor.
Background technique
In correlation technique, the housing of rotary compressor is with respect to extraneous sealed high-pressure vessel, compressor has applied the highly pressurised liquid of certain load because inside has, make housing can produce the effect of outside expansion, on the wall of housing, can produce tensile stress thus, and its circumferential stress is much larger than the stress on axially.Owing to having suction port on housing, the casing rigidity at suction port place is weakened greatly again, is easy to produce crack at suction port and conduit welding position, reduces the compressive strength of compressor.
In order to increase the compressive strength of compressor, conventional art is all to attempt the wall thickness of the housing of thickening formation seal container, but result is the Plastic Forming that has reduced housing, and produce that the round as a ball forming machine of reason iron plate maximizes and the problem of the processing cost increase, the cost of material increase etc. that produce.
Model utility content
The utility model is intended at least solve one of technical problem existing in prior art.For this reason, the utility model need to provide a kind of rotary compressor, and the compressive strength of this rotary compressor is large, and low cost of manufacture is simple in structure, and reliability is high.
According to the utility model embodiment's rotary compressor, comprising: main casing, on described main casing, there is suction port, the upper end of described main casing is sealed by upper shell and lower end is sealed by lower shell body; Conduit, the inner of described conduit is by the internal communication of described suction port and described main casing; And stiffener assembly, described stiffener assembly comprises at least two reinforcers, described at least two reinforcers are located on the sidewall of described main casing and respectively along the circumferential spaced apart setting of described conduit.
According to rotary compressor of the present utility model, because the inside of rotary compressor has high pressure, main casing outwards expands, can produce larger tensile stress at suction port place like this, suction port place by the main casing at rotary compressor arranges stiffener assembly, thereby can reduce widely tensile stress, improve the structural strength of the side-walls that is positioned at suction port place of main casing, can avoid in the position of suction port and conduit welding like this generation in crack, thereby can improve the compressive strength of rotary compressor, and then can improve the reliability of rotary compressor.And, because stiffener assembly is made up of multiple reinforcers, can reduce so the required tensile stress of bearing of each reinforcer, can extend like this working life of each reinforcer, further improve the reliability of compressor.
In addition, only by being set, just can improve stiffener assembly the compressive strength of rotary compressor according to the utility model embodiment's rotary compressor, and needn't change structure or the wall thickness of main casing, can guarantee thus the Plastic Forming of main casing, needn't change main casing forming machine, and then can not increase processing cost and cost of material, that is to say, not only have advantages of that according to the utility model embodiment's rotary compressor compressive strength is high, and low cost of manufacture, simple in structure.
In addition, also can there is following additional technical feature according to rotary compressor of the present utility model:
According to an embodiment of the present utility model, described rotary compressor is single cylinder rotary compressor, and on described main casing, having a suction port and described conduit is one.
Alternatively, described reinforcer is two and is located at respectively the relative both sides of described conduit.
Preferably, the shape of described two reinforcers is identical.
Alternatively, described reinforcer is more than three or three.
According to an embodiment of the present utility model, described rotary compressor is twin-tub rotation-type compressor, and on described main casing, have two suction ports, described conduit is two and corresponding one by one with described two suction ports respectively, and described reinforcer is at least three.
According to an embodiment of the present utility model, on the projection plane of the axial direction perpendicular to described conduit, the shape of described reinforcer is rectangular.
According to an embodiment of the present utility model, the side towards described conduit of described reinforcer has the arc groove for coordinating with described conduit.
According to an embodiment of the present utility model, on the projection plane of the axial direction perpendicular to described conduit, the external frame of described reinforcer is general rectangular shape.
According to an embodiment of the present utility model, in the projection of the axial direction along described conduit, described reinforcer is formed as a part for ring.
According to an embodiment of the present utility model, the thickness of described reinforcer is greater than the sidewall thickness of described main casing.
Alternatively, large 0.94 times of the sidewall thickness of main casing described in the Thickness Ratio of described reinforcer.
According to an embodiment of the present utility model, described reinforcer welding, bonding or be riveted on the outer side wall of described main casing or on madial wall.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming embodiment's description obviously and easily, wherein:
Fig. 1-Fig. 6 is according to the plan view of the utility model embodiment's rotary compressor, and it shows the structure of different embodiments' stiffener assembly;
Fig. 7 is according to the sectional view of the utility model embodiment's rotary compressor, and it shows an embodiment on the outer side wall that stiffener assembly is located at main casing;
Fig. 8 is according to the sectional view of the utility model embodiment's rotary compressor, and it shows an embodiment on the madial wall that stiffener assembly is located at main casing.
Description of reference numerals:
Main casing 1; Suction port 11; Holding space 12;
Upper shell 2; Exhaust port 21;
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", orientation or the position relationship of the indication such as D score, " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Describe according to the utility model embodiment's rotary compressor 100 below with reference to Fig. 1-Fig. 8, as Figure 1-Figure 8, comprise according to the utility model embodiment's rotary compressor 100: main casing 1, conduit and stiffener assembly 5.
As Figure 1-Figure 8, on main casing 1, there is suction port 11, the upper end of main casing 1 is sealed by upper shell 2 and the lower end of main casing 1 is sealed by lower shell body 3, that is to say, between main casing 1, upper shell 2 and lower shell body 3, jointly limit the holding space 12 of relative sealing, such as compression set of the miscellaneous part of rotary compressor 100 etc. can be installed in this holding space 12.Wherein on upper shell 2, there is exhaust port 21, enter into the gas of holding space 12 from suction port 11, after the compression of compression set, discharge from exhaust port 21, can provide power for the refrigerant circulation of refrigeration system thus.
As shown in Figure 7 and Figure 8, the inner of conduit is by suction port 11 and main casing 1 internal communication, that is to say, conduit is for being communicated with the outside of rotary compressor 100 and inner holding space 12, and the inside that the outside gas of rotary compressor 100 enters into rotary compressor 100 by conduit is compressed.Wherein, the inner of conduit can be soldered on main casing 1.
Here first it should be noted that, " inside and outside " direction in the utility model is easy with respect to the position of holding space 12, and the direction of pointing to holding space 12 is interior to direction, is outward direction away from the direction of holding space 12.
As shown in Fig. 1-Fig. 6, stiffener assembly 5 comprises at least two reinforcers 51, at least two reinforcers 51 are located on the sidewall of main casing 1, at least two reinforcers 51 are respectively along the circumferential spaced apart setting of conduit, that is to say, stiffener assembly 5 is made up of multiple reinforcers 51, multiple reinforcers 51 perpendicular to catheter shaft to projection plane on arrange around conduit interval.
According to the utility model embodiment's rotary compressor 100, because the inside of rotary compressor 100 has high pressure, main casing 1 outwards expands, can produce larger tensile stress at suction port 11 places like this, suction port 11 places by the main casing 1 at rotary compressor 100 arrange stiffener assembly 5, thereby can reduce widely tensile stress, improve the structural strength of the side-walls that is positioned at suction port 11 places of main casing 1, can avoid in suction port 11 and the position of conduit welding like this generation in crack, thereby can improve the compressive strength of rotary compressor 100, and then can improve the reliability of rotary compressor 100.And, because stiffener assembly 5 is made up of multiple reinforcers 51, can reduce so the required tensile stress of bearing of each reinforcer 51, can extend like this working life of each reinforcer 51, further improve the reliability of compressor.
In addition, only by being set, just can improve stiffener assembly 5 compressive strength of rotary compressor 100 according to the utility model embodiment's rotary compressor 100, and needn't change structure or the wall thickness of main casing 1, can guarantee thus the Plastic Forming of main casing 1, needn't change main casing 1 forming machine, and then can not increase processing cost and cost of material, that is to say, not only have advantages of that according to the utility model embodiment's rotary compressor 100 compressive strength is high, and low cost of manufacture, simple in structure.
Can be single cylinder rotary compressor according to the utility model embodiment's rotary compressor 100, as Fig. 1-Fig. 5, example shown in Fig. 7 and Fig. 8, particularly, on main casing 1, there is a suction port 11, a cylinder (scheming not shown) of these suction port 11 corresponding rotation formula compressor 100 inside, the gas entering through this suction port 11 can enter into this cylinder and compress.In the time having a suction port 11 on rotary compressor 100, conduit is also that one and this conduit are to arranging by a suction port 11.
Further, in optional examples more of the present utility model, reinforcer 51 can be two and be located at respectively the relative both sides of this conduit.For example, shown in Fig. 1, Fig. 4 and Fig. 5, two reinforcers 51 can be located at respectively upside and the downside of this conduit, and the utility model is not limited to this certainly, and two reinforcers 51 can also be located at respectively left side and the right side of this conduit, as shown in Figure 2.Advantageously, the shape of two reinforcers 51 can be identical, can utilize so same mould to manufacture two reinforcers 51, manufactures simply, and reinforcer 51 that two shapes are identical is stressed can be more even.
Further alternatively, reinforcer 51 can be more than three or three, wherein Fig. 3 shows the example that stiffener assembly 5 in single cylinder rotary compressor comprises three reinforcers 51, three reinforcers 51 are equably around the circumferential setting of conduit, make thus the suffered tensile stress of each reinforcer 51 less, and equably around the circumferential setting of conduit, make each reinforcer 51 stressed more even.Certainly, reinforcer 51 can also be four, five, six etc. or more reinforcer 51, is not described in detail in this.
Also can be twin-tub rotation-type compressor according to embodiment's of the present utility model rotary compressor 100, example as shown in Figure 6, particularly, on main casing 1, there are two suction ports 11, each in two suction ports 11 is two cylinders (scheming not shown) of corresponding rotation formula compressor 100 inside respectively, and the gas entering through two suction ports 11 can enter into respectively two cylinders and compress.Wherein structure, setting and the contraction principle etc. of the cylinder of rotary compressor 100 inside can be prior aries, are not described in detail in this.Be understandable that, in the time thering is two suction ports 11 on rotary compressor 100, conduit be also two and two conduits respectively one by one corresponding two suction ports 11 arrange, as shown in Figure 6.Alternatively, reinforcer 51 can be at least three.Three reinforcers 51 arrange with two conduit intervals respectively, as shown in Figure 6, in three reinforcers 51 one can be located at the upside of the conduit that is positioned at top, another in three reinforcers 51 can be located between two conduits, and in three reinforcers 51 the 3rd can be located at the downside of the conduit that is positioned at below.
Certainly the utility model is not limited to this, example twin-tub rotation-type compressor as shown in Figure 6, and reinforcer 51 can also be located at left side and the right side of two conduits.The quantity of reinforcer 51 can also be more than three, with like the example class shown in Fig. 3 is, each conduit around all can be not shown around multiple reinforcer 51(figure).
According to an embodiment of the present utility model, stiffener assembly 5 is sheet metal, that is to say, the each reinforcer 51 in stiffener assembly 5 can be made of metal and each reinforcer 51 is formed as tabular.By making reinforcer 51 be formed as sheet metal, can make thus reinforcer 51 there is the advantages such as simple in structure, easy manufacture.Certainly can understand, in the projection of above-below direction, the outer wall form fit of the shape of reinforcer 51 and main casing 1, main casing 1 is cylindrical shape, the projection of reinforcer 51 on above-below direction can make arc and the wall laminating with main casing 1.
Particularly, reinforcer 51 can be made up of iron plate, steel plate, zine plate, stereotype etc.Preferably, reinforcer 51 can, by making than the high material of main casing 1 rigidity, can reduce the tensile stress at suction port 11 places of main casing 1 thus more effectively, more effectively improves the structural strength of main casing 1.
Preferably, the thickness of reinforcer 51 can be greater than the sidewall thickness of main casing 1, like this under reinforcer 51 prerequisite consistent with the manufactured materials of main casing 1, can make the structural strength of reinforcer 51 be greater than the structural strength of main casing 1, and then can more effectively reduce the tensile stress at suction port 11 places of main casing 1, more effectively improve the structural strength of main casing 1.Particularly, in an example of the present utility model, large 0.94 times of the sidewall thickness of the Thickness Ratio main casing 1 of reinforcer 51, that is to say, the thickness of reinforcer 51 can be 1.94 times of sidewall thickness of main casing 1, makes like this intensity of reinforcer 51 be guaranteed.
In an embodiment of the present utility model, reinforcer 51 can weld, bonding or be riveted on the outer side wall of main casing 1, as shown in Figure 7, can make thus the welding of reinforcer 51 on main casing 1 convenient.Particularly, in the assembling process of rotary compressor 100, can first first the inner of conduit be welded on main casing 1, then reinforcer 51 is welded on main casing 1.
In another embodiment of the present utility model, reinforcer 51 can weld, bonding or be riveted on the madial wall of main casing 1, as shown in Figure 8.Can't see reinforcer 51 in the outside of rotary compressor 100 thus, can not affect like this outward appearance of rotary compressor 100.
As shown in Fig. 1-Fig. 3 and Fig. 6, on the projection plane of the axial direction perpendicular to conduit, the shape of reinforcer 51 is rectangular.Reinforcer 51 is simple in structure thus, and manufacture is more prone to.Advantageously, a side towards conduit of reinforcer 51 has the arc groove for coordinating with conduit, thus, this arc groove can with the form fit of the perisporium of conduit, that is to say, the form fit of the arc groove of reinforcer 51 and suction port 11, the groove of reinforcer 51, more close to the edge of suction port 11, is beneficial to the structural strengthening of the sidewall to suction port 11 places so more.Alternatively, as shown in Figure 5, on the projection plane of the axial direction perpendicular to conduit, the external frame of reinforcer 51 is general rectangular shape, that is to say, the projection at the maximum edge of reinforcer 51 can be rectangle, and reinforcer 51 is simple in structure like this.
As shown in Figure 4, in the projection of the axial direction along conduit, reinforcer 51 is formed as a part for ring, that is to say, a side towards conduit of reinforcer 51 has the arc groove for coordinating with conduit, reinforcer 51 away from a side of conduit with roughly the same towards the shape of a side of conduit, can be all arc.Can make like this form fit of reinforcer 51 entirety and suction port 11, and save material.
According to rotary compressor 100 other configuration examples of the utility model embodiment as compression set, electric controller etc. and operation be all known for those of ordinary skills, here no longer describe in detail.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiments or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiments, scope of the present utility model is limited by claim and equivalent thereof.
Claims (13)
1. a rotary compressor, is characterized in that, comprising:
Main casing, has suction port on described main casing, and the upper end of described main casing is sealed by upper shell and lower end is sealed by lower shell body;
Conduit, the inner of described conduit is by the internal communication of described suction port and described main casing; And
Stiffener assembly, described stiffener assembly comprises at least two reinforcers, described at least two reinforcers are located on the sidewall of described main casing and respectively along the circumferential spaced apart setting of described conduit.
2. rotary compressor according to claim 1, is characterized in that, described rotary compressor is single cylinder rotary compressor, and on described main casing, having a suction port and described conduit is one.
3. rotary compressor according to claim 2, is characterized in that, described reinforcer is two and is located at respectively the relative both sides of described conduit.
4. rotary compressor according to claim 3, is characterized in that, the shape of described two reinforcers is identical.
5. rotary compressor according to claim 2, is characterized in that, described reinforcer is more than three or three.
6. rotary compressor according to claim 1, it is characterized in that, described rotary compressor is twin-tub rotation-type compressor, and on described main casing, has two suction ports, described conduit is two and corresponding one by one with described two suction ports respectively, and described reinforcer is at least three.
7. according to the rotary compressor described in any one in claim 1-6, it is characterized in that, on the projection plane of the axial direction perpendicular to described conduit, the shape of described reinforcer is rectangular.
8. according to the rotary compressor described in any one in claim 1-6, it is characterized in that, the side towards described conduit of described reinforcer has the arc groove for coordinating with described conduit.
9. rotary compressor according to claim 8, is characterized in that, on the projection plane of the axial direction perpendicular to described conduit, the external frame of described reinforcer is general rectangular shape.
10. according to the rotary compressor described in any one in claim 1-6, it is characterized in that, in the projection of the axial direction along described conduit, described reinforcer is formed as a part for ring.
11. rotary compressors according to claim 1, is characterized in that, the thickness of described reinforcer is greater than the sidewall thickness of described main casing.
12. rotary compressors according to claim 11, is characterized in that, large 0.94 times of the sidewall thickness of main casing described in the Thickness Ratio of described reinforcer.
13. rotary compressors according to claim 1, is characterized in that, described reinforcer welding, bonding or be riveted on the outer side wall of described main casing or on madial wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320788361.8U CN203614410U (en) | 2013-12-03 | 2013-12-03 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320788361.8U CN203614410U (en) | 2013-12-03 | 2013-12-03 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203614410U true CN203614410U (en) | 2014-05-28 |
Family
ID=50767061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320788361.8U Expired - Fee Related CN203614410U (en) | 2013-12-03 | 2013-12-03 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203614410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269535A (en) * | 2017-07-18 | 2017-10-20 | 广东美芝制冷设备有限公司 | Housing ruggedized construction and rotary compressor |
-
2013
- 2013-12-03 CN CN201320788361.8U patent/CN203614410U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269535A (en) * | 2017-07-18 | 2017-10-20 | 广东美芝制冷设备有限公司 | Housing ruggedized construction and rotary compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20191203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |