CN205136019U - Compressor air cylinder and rotary compressor employing same - Google Patents
Compressor air cylinder and rotary compressor employing same Download PDFInfo
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- CN205136019U CN205136019U CN201520868800.5U CN201520868800U CN205136019U CN 205136019 U CN205136019 U CN 205136019U CN 201520868800 U CN201520868800 U CN 201520868800U CN 205136019 U CN205136019 U CN 205136019U
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Abstract
The utility model discloses a compressor air cylinder and rotary compressor employing same, wherein the compresser cylinder includes: this somatic part, this somatic part forms to the annular, the inner circle of this somatic part is prescribed a limit to along its axial through's compression chamber, the extension, the extension is established the outer lane of this somatic part, the extension forms to following the segmental arc of the circumference extension of this somatic part, the internal face of extension with the outer wall facial features of this somatic part even. According to the utility model discloses a compresser cylinder is put through seting up the extension with the body part to set the extension to correspond with annular this somatic part size segmental arc, can the make full use of material, both saved the manufactured materials widely, avoid the waste of material, the cost is reduced can reduce the manufacturing process again, the generalization design of the compresser cylinder of being convenient for.
Description
Technical field
The utility model relates to Compressor Technology field, more specifically, relates to a kind of compresser cylinder and has its rotary compressor.
Background technique
The cylinder of the rotary compressor in correlation technique, generally adopts solid casting, and weight is large, and price is high, and blank inner circle exists pattern draft, and machining allowance is more, needs through roughing, semi finishing, finishing step, and processing expenses of labour is high.In addition, the vane slot of cylinder can weaken the intensity of cylinder foundry goods entirety largely, compressor may be caused under operation, slide plate and cylinder gap bad, and cylinder wall is under gas moment loading and screw twisting force, also easily produce distortion, affect pump housing centering gap, affect compressor performance.
Model utility content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of compresser cylinder, the structure of this compresser cylinder be simple, weight is little, intensity is high, manufacture simple, cost is low.
The utility model also proposes a kind of rotary compressor with above-mentioned compressor cylinder.
According to the compresser cylinder of the utility model first aspect, comprising: main body portion, described main body portion is formed as annular, and the inner ring of described main body portion limits along its axially through compression chamber; Extension, described extension is located at the outer ring of described main body portion, and described extension is formed as the arcuate segment extended along the circumference of described main body portion, and the internal face of described extension is connected with the outer wall of described main body portion.
According to compresser cylinder of the present utility model, by extension and main body portion are provided separately, and extension is arranged to the arcuate segment corresponding with annular body portion size, material can be made full use of, both cost savings manufactured materials, and avoided the waste of material, reduce cost, can manufacturing process be decreased again, be convenient to the General design of compresser cylinder.
In addition, according to compresser cylinder of the present utility model, following additional technical characteristics can also be had:
According to an embodiment of the present utility model, the outside dimension of described main body portion equals the internal diameter size of described extension, and the internal face of described extension is fitted with the outer wall of described main body portion and is connected.
According to an embodiment of the present utility model, the outer wall of described main body portion and the internal face of described extension are weldingly connected.
According to an embodiment of the present utility model, the outer wall of described main body portion and the internal face of described extension are weldingly connected by argon arc welding, soldering or laser beam welding.
According to an embodiment of the present utility model, described main body portion is formed as round steel pipe, limits described compression chamber in described round steel pipe.
According to an embodiment of the present utility model, described extension is formed as one section of cutting member of round steel pipe.
According to an embodiment of the present utility model, the inwall of described main body portion is provided with vane slot, and the internal face of described vane slot is provided with local nitrocarburizing layer, phosphating coating, molybdenum layer or nickel plating coating.
According to an embodiment of the present utility model, described extension is connected with described main body portion screw.
According to the rotary compressor of the utility model second aspect, comprise the compresser cylinder according to above-described embodiment.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the stereogram of the compresser cylinder according to the utility model embodiment;
Fig. 2 is the plan view of the compresser cylinder according to the utility model embodiment;
Fig. 3 is the structural representation of the round steel pipe of the extension for the manufacture of compresser cylinder according to the utility model embodiment;
Fig. 4 is the structural representation of the rotary compressor according to the utility model embodiment.
Reference character:
Rotary compressor 100;
Casing 10; Receiving cavity 101;
Compresser cylinder 20; Main body portion 21; Compression chamber 210; Extension 22;
Motor 30; Bent axle 40; Piston 50; Bearing 60.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The compresser cylinder 20 according to the utility model first aspect embodiment is specifically described below in conjunction with accompanying drawing 1 to Fig. 3.
Main body portion 21 and extension 22 is comprised according to the compresser cylinder 20 of the utility model embodiment.Specifically, main body portion 21 is formed as annular, the inner ring of main body portion 21 limits along its axially through compression chamber 210, extension 22 is located at the outer ring of main body portion 21, extension 22 is formed as the arcuate segment extended along the circumference of main body portion 21, and the internal face of extension 22 is connected with the outer wall of main body portion 21.
In other words, this compresser cylinder 20 forms primarily of main body portion 21 and extension 22, wherein, the column that main body portion 21 is formed as vertically (above-below direction as shown in Figure 1) extends, the cross section of main body portion 21 forms annular, the compression chamber 210 that upper and lower end all opens wide is limited with in main body portion 21, and extension 22 is formed as the arcuate segment that extends along the circumference of the outer side wall of main body portion 21, for forming the assembly department of the vane slot (not shown) of compresser cylinder 20, particularly, extension 22 can be formed through multistage cutting by annular pipe fitting, namely this annular pipe fitting may be used for manufacturing multiple extension 22, further, extension 22 is located at the outside of main body portion 21 and extension 22 is connected with the outer side surface of main body portion 21.
Thus, according to the compresser cylinder 20 of the utility model embodiment, by extension 22 and main body portion 21 are provided separately, and extension 22 is arranged to the arcuate segment corresponding with annular body portion 21 size, can material be made full use of, both cost savings manufactured materials, avoid the waste of material, reduce cost, can manufacturing process be decreased again, be convenient to the General design of compresser cylinder 20.
Preferably, the outside dimension of main body portion 21 equals the internal diameter size of extension 22, and the internal face of extension 22 is fitted with the outer wall of main body portion 21 and is connected.Particularly, extension 22 can be made by circular pipeline section, such as, first internal diameter size is selected to equal the circular pipeline section of the outside dimension of main body portion 21, then along the axis of this circular pipeline section, this circular pipeline section is cut into multi-section circular arc section, every section of arc section all can be used as the raw material of the extension 22 of this compresser cylinder 20, finally the internal face of this extension 22 and the outer wall of main body portion 21 are fitted and be connected to ensure closely to be connected between extension 22 with main body portion 21, make the structure of this compresser cylinder 20 compacter, be conducive to the reliability improving this compresser cylinder 20.
In embodiments more of the present utility model, main body portion 21 is formed as round steel pipe, limits compression chamber 210 in round steel pipe.Extension 22 is formed as one section of cutting member of round steel pipe.
Particularly, in the manufacture process of compresser cylinder 20, the round steel pipe that can be first preliminary dimension by a pipe thickness is radially cut into multistage, and wherein namely one section can be used as main body portion 21; Then be that the round steel pipe of preliminary dimension cuts into multiple arcuate segment vertically by another pipe thickness, form multiple extension 22; Then select one of them arcuate segment, the outer wall of the internal face of this arcuate segment with main body portion 21 is connected, obtain the semi-finished product of compresser cylinder 20; Eventually pass certain operation (such as fine finishing, surface treatment etc.), obtain the finished product of compresser cylinder 20.
Such as, as shown in Figures 2 and 3, the outside dimension of the main body portion 21 of compresser cylinder 20 is less than the outside dimension of extension 22 and equals the internal diameter size of extension 22, can along the axis cutting of the round steel pipe for the manufacture of extension 22 so that extension 22 be divided into five parts, the cross section of every part is all formed as arc section, as the extension 22 of five compresser cylinders 20, material should can be taken full advantage of like this for the manufacture of the round steel pipe of extension 22.
Thus, main body portion 21 and the extension 22 of this compresser cylinder 20 all can be made by round steel pipe, the structural strength of the compresser cylinder 20 made is large, possesses the advantage of high strength, high rigidity, Young's modulus due to steel is about 1.3 times of foundry goods, therefore, the compresser cylinder 20 of steel better can reduce the various stress deformations of the pump housing, be conducive to compresser cylinder 20 thinning further, compared with the cylinder foundry goods in correlation technique, the blank of this compresser cylinder 20 is lightweight, wall thickness is thin, is conducive to the cost reducing roughing operation.
This structure can also strengthen the intensity of vane slot bottom outlet joint, improves the processing of vane slot, when reducing pump housing running, the bad impact of cylinder inner wall and roller and slide plate and cylinder groove gap.Moreover, multiple extension 22 can be obtained by cutting one section of round steel pipe, both cost savings manufactured materials, and avoiding the waste of material, reduce costs, and can manufacturing process be reduced again, and being convenient to the General design of compresser cylinder 20.
Alternatively, according to an embodiment of the present utility model, the outer wall of main body portion 21 and the internal face of extension 22 are weldingly connected.Such as, the outer wall of main body portion 21 and the internal face of extension 22 are weldingly connected by argon arc welding, soldering or laser beam welding.Certainly, the main body portion 21 of the utility model embodiment is not limited to this with the welding method of extension 22, and the outer wall of main body portion 21 can also realize being connected by other welding manners with the internal face of extension 22.Thus, being fixedly connected with of main body portion 21 and extension 22 can be realized, ensure the structural strength of this compresser cylinder 20, connection reliability, improve the operational safety of this compresser cylinder 20.Moreover main body portion 21 and extension 22 are in welding process, and convenient and simple for operation, due to the good welding performance of steel part, the main body portion 21 be therefore made up of Steel material is connected reliably with extension 22.
Wherein, the inwall of main body portion 21 is provided with vane slot (not shown), and the internal face of vane slot is provided with local nitrocarburizing layer, phosphating coating, molybdenum layer or nickel plating coating.In other words, after main body portion 21 is connected with extension 22, first through finishing step, then can carry out corresponding Wear-resistant Treatment, surface treatment to compresser cylinder 20, thus meet the high-precision requirement of compresser cylinder 20.
Such as, the surface treatment that the routine such as phosphatization, molybdenum reduces abrasion can be carried out to the internal face of the vane slot of the main body portion 21 of compresser cylinder 20, the surface quality of this compresser cylinder 20 is improved, thus is conducive to the reliability improving this compresser cylinder 20.Therefore, this compresser cylinder 20 can strengthen the intensity of vane slot bottom outlet joint, improves the processing of vane slot, when reducing pump housing running, the bad impact of the inwall of compresser cylinder 20 and roller and slide plate and cylinder groove gap.
In other embodiments of the present utility model, extension 22 is connected with main body portion 21 screw.That is, in the manufacture process of compresser cylinder 20, the round steel pipe that can be first preliminary dimension by a pipe thickness radially cuts, and obtains main body portion 21; Then be that the round steel pipe of preliminary dimension cuts into multiple arcuate segment vertically by another pipe thickness, form multiple extension 22; Then select one of them arcuate segment, this arcuate segment and main body portion 21 are achieved a fixed connection by screw, obtain the semi-finished product of compresser cylinder 20; Eventually pass certain operation, obtain the finished product of compresser cylinder 20.
Preferably, extension 22 can be connected by junction of the edges of two sheets of paper screw with main body portion 21, and this Placement can avoid the assembling affecting compresser cylinder 20 and other parts.The compresser cylinder 20 obtained by said method, structure is simple, and join strength is high, and mounting or dismounting are convenient, and the main body portion 21 of compresser cylinder 20 and extension 22 are after damage, and it is convenient to change, and can avoid waste of material.
As shown in Figure 4, according to the rotary compressor 100 of the utility model second aspect embodiment, comprise the compresser cylinder 20 of above-described embodiment.Particularly, rotary compressor 100 forms primarily of casing 10, compresser cylinder 20, motor 30, bent axle 40, piston 50 and bearing 60, wherein be limited with the receiving cavity 101 for installing each parts in casing 10, bent axle 40 extends along the axis (above-below direction as shown in Figure 4) of casing 10, compresser cylinder 20 and motor 30 arranged spaced apart on bent axle 40, the both sides of compresser cylinder 20 are provided with bearing 60, and in the compression chamber 210 of compresser cylinder 20, being provided with piston 50, this piston 50 is set on the eccentric shaft of bent axle 40.
Wherein, the compresser cylinder 20 of this rotary compressor 100 can be made as raw material by the round steel pipe that two sections of sizes are different, because the compresser cylinder 20 according to the utility model embodiment has above-mentioned technique effect, therefore, rotary compressor 100 according to the embodiment of the present application also has above-mentioned technique effect, namely the structure of this rotary compressor 100 is simple, weight is little, structural strength is high, and cost is low, manufactures simple.
According to the rotary compressor 100 of the utility model embodiment other form and operation be all known for those of ordinary skills, be not described in detail here.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (9)
1. a compresser cylinder, is characterized in that, comprising:
Main body portion, described main body portion is formed as annular, and the inner ring of described main body portion limits along its axially through compression chamber;
Extension, described extension is located at the outer ring of described main body portion, and described extension is formed as the arcuate segment extended along the circumference of described main body portion, and the internal face of described extension is connected with the outer wall of described main body portion.
2. compresser cylinder according to claim 1, is characterized in that, the outside dimension of described main body portion equals the internal diameter size of described extension, and the internal face of described extension is fitted with the outer wall of described main body portion and is connected.
3. compresser cylinder according to claim 1 and 2, is characterized in that, the outer wall of described main body portion and the internal face of described extension are weldingly connected.
4. compresser cylinder according to claim 3, is characterized in that, the outer wall of described main body portion and the internal face of described extension are weldingly connected by argon arc welding, soldering or laser beam welding.
5. compresser cylinder according to claim 1, is characterized in that, described main body portion is formed as round steel pipe, limits described compression chamber in described round steel pipe.
6. compresser cylinder according to claim 1, is characterized in that, described extension is formed as one section of cutting member of round steel pipe.
7. compresser cylinder according to claim 1, is characterized in that, the inwall of described main body portion is provided with vane slot, and the internal face of described vane slot is provided with local nitrocarburizing layer, phosphating coating, molybdenum layer or nickel plating coating.
8. compresser cylinder according to claim 1, is characterized in that, described extension is connected with described main body portion screw.
9. a rotary compressor, is characterized in that, comprises the compresser cylinder according to any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868800.5U CN205136019U (en) | 2015-11-02 | 2015-11-02 | Compressor air cylinder and rotary compressor employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868800.5U CN205136019U (en) | 2015-11-02 | 2015-11-02 | Compressor air cylinder and rotary compressor employing same |
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| Publication Number | Publication Date |
|---|---|
| CN205136019U true CN205136019U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520868800.5U Active CN205136019U (en) | 2015-11-02 | 2015-11-02 | Compressor air cylinder and rotary compressor employing same |
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| CN (1) | CN205136019U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736373A (en) * | 2016-04-20 | 2016-07-06 | 广东美芝制冷设备有限公司 | Pump body assembly of rotating compressor and rotating compressor |
| CN105822551A (en) * | 2016-05-17 | 2016-08-03 | 广东美芝制冷设备有限公司 | Pump of compressor and compressor with pump |
| CN105971886A (en) * | 2016-06-24 | 2016-09-28 | 广东美芝制冷设备有限公司 | Compressor and air cylinder |
| CN112833013A (en) * | 2021-03-22 | 2021-05-25 | 广东美芝精密制造有限公司 | Cylinder, compressor, refrigeration equipment and production process |
-
2015
- 2015-11-02 CN CN201520868800.5U patent/CN205136019U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736373A (en) * | 2016-04-20 | 2016-07-06 | 广东美芝制冷设备有限公司 | Pump body assembly of rotating compressor and rotating compressor |
| CN105822551A (en) * | 2016-05-17 | 2016-08-03 | 广东美芝制冷设备有限公司 | Pump of compressor and compressor with pump |
| CN105971886A (en) * | 2016-06-24 | 2016-09-28 | 广东美芝制冷设备有限公司 | Compressor and air cylinder |
| CN112833013A (en) * | 2021-03-22 | 2021-05-25 | 广东美芝精密制造有限公司 | Cylinder, compressor, refrigeration equipment and production process |
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