CN204941940U - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
- Publication number
- CN204941940U CN204941940U CN201520631180.3U CN201520631180U CN204941940U CN 204941940 U CN204941940 U CN 204941940U CN 201520631180 U CN201520631180 U CN 201520631180U CN 204941940 U CN204941940 U CN 204941940U
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- slide plate
- cylinder
- positioning part
- extension
- rotary compressor
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Abstract
The utility model discloses a kind of rotary compressor, comprising: cylinder, described cylinder is provided with vane slot and positioning part; Slide plate, described slide plate is engaged in described vane slot and described slide plate has the inner and outer end, and the described outer end of described slide plate is provided with the extension to extending away from described interior extreme direction, being engaged at least partially in described positioning part of described extension.According to the rotary compressor of the utility model embodiment, increase the maximum allowable offset amount of bent axle, structure is flattening more.
Description
Technical field
The utility model relates to Compressor Technology field, in particular to a kind of rotary compressor.
Background technique
In correlation technique, for realizing flattening and the miniaturization of compressor, the offset of the bent axle of usual needs is larger, the extrusion of corresponding slide plate needs corresponding increase, and along with the increase of slide plate overhang, slide plate amount of deformation operationally just can not ensure, may occur that the problems such as cylinder chamber poor sealing occur, have a strong impact on the normal operation of compressor.
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, an object of the present utility model is to propose the rotary compressor of the comparatively large and structure of the maximum allowable offset amount of a kind of bent axle flattening more.
According to the rotary compressor of the utility model embodiment, comprising: cylinder, described cylinder is provided with vane slot and positioning part; Slide plate, described slide plate is engaged in described vane slot and described slide plate has the inner and outer end, and the described outer end of described slide plate is provided with the extension to extending away from described interior extreme direction, being engaged at least partially in described positioning part of described extension.
According to the rotary compressor of the utility model embodiment, increase the maximum allowable offset amount of bent axle, structure is flattening more.
Preferably, described cylinder is also formed with the spring eye being positioned at described vane slot rear portion, described spring eye and described positioning part spaced apart.
Preferably, described extension, described positioning part are at least one, and the identical and one_to_one corresponding of the number of described extension, described positioning part coordinates.
Preferably, the number of described positioning part is two and is symmetrically distributed in the upper and lower of described spring eye, and the number of described extension is two and is symmetrically distributed in the upper and lower of the exterior edge face of described slide plate.
Preferably, described positioning part is one and is distributed in top or the bottom of described spring eye, and the number of described extension is one and is distributed in top or the bottom of the exterior edge face of described slide plate.
Preferably, described positioning part and described spring eye minimum range are in the vertical direction greater than 2.5mm.
Preferably, described positioning part is configured to locating slot, and described locating slot is communicated with described vane slot.
Preferably, described locating slot is along the periphery wall of the through described cylinder of radial direction of cylinder.
Preferably, described locating slot is positioned at top and/or the bottom of described spring eye, the upper surface of the through described cylinder of superposed described locating slot, is positioned at the lower surface of the through described cylinder of described locating slot of bottom.
Preferably, described rotary compressor is any one in single cylinder compressor, duplex cylinder compressor, multicylinder compressor and variable volume compressor.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the cylinder of rotary compressor according to the utility model embodiment.
Fig. 2 is the schematic top plan view of the cylinder of rotary compressor according to the utility model embodiment.
Fig. 3 is the cross-sectional schematic of the cylinder of rotary compressor according to the utility model embodiment.
Fig. 4 is the schematic diagram of the slide plate of rotary compressor according to the utility model embodiment.
Fig. 5 is the schematic diagram of the rotary compressor according to the utility model embodiment.
Reference character:
Rotary compressor 100,
Cylinder 10, vane slot 11, positioning part 12, spring eye 13, periphery wall 14, upper surface 15, lower surface 16, cylinder chamber 17,
Slide plate 20, inner 20a, outer end 20b, exterior edge face 20c, extension 21, spring positioning part 22,
Housing 30,
Piston 40.
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 rotary compressor 100 of the utility model embodiment is described referring to Fig. 1 to Fig. 5.
Rotary compressor 100 according to the utility model embodiment comprises: cylinder 10 and slide plate 20.
As shown in Figure 1, cylinder 10 is provided with vane slot 11 and positioning part 12, and slide plate 20 is engaged in vane slot 11 and slide plate 20 has inner 20a and outer end 20b.The outer end 20b of slide plate 20 is provided with the extension 21 (see Fig. 4) to extending away from inner 20a direction, being engaged at least partially in positioning part 12 of extension 21.
It should be noted that, the description about " inside and outside " direction is for the center of cylinder 10, and namely deviate from the direction at cylinder 10 center for " outward ", the direction pointing to cylinder 10 center is " interior ".Wherein, " being engaged at least partially in positioning part 12 of extension 21 " refers in the process of sliding along vane slot 11 at slide plate 20, at least at a time or in the period, and being engaged at least partially in positioning part 12 of extension 21.
It will be appreciated by those skilled in the art that, compressor also comprises piston 40, bent axle, cylinder 10 has cylinder chamber 17, vane slot 11 and cylinder chamber 17 connect, piston 40 is arranged in cylinder chamber 17, during compressor operation, bent axle drives piston 40 to rotate prejudicially in piston 40 chamber, and slide plate 20 contacts that with piston 40 piston 40 chamber is separated out air-inlet cavity and outlet chamber.
According to the rotary compressor 100 of the utility model embodiment, extension 21 is set up by the outer end 20b at slide plate 20, and the positioning part 12 to coordinate with extension 21, to make slide plate 20 along in vane slot 11 sliding process, the extension 21 of slide plate 20 can be incorporated in positioning part 12, thus, adds the effective length of slide plate 20, and then allow compressor crank shaft to produce larger offset, be conducive to the flattening design of compressor.
According to embodiments more of the present utility model, cylinder 10 is also formed with the spring eye 13 being positioned at vane slot 11 rear portion, spring eye 13 is spaced apart with positioning part 12.With reference to Fig. 1 and Fig. 3, positioning part 12 and spring eye 13 are all positioned at the rear portion of vane slot 11, positioning part 12 and spring eye 13 distribute and spaced apart between positioning part 12 and spring eye 13 along the vertical direction, that is, spring eye 13 and positioning part 12 are along the vertical direction and the periphery wall 14 of all non-through cylinder 10 of circumference.Thus, under the prerequisite of the internal diameter and outside dimension that do not increase cylinder 10, what not only increase slide plate 20 has length, adds the maximum eccentricity amount that bent axle allows, is conducive to the miniaturization of compressor, and ensure that the rigidity of cylinder 10.
Length scale due to the vane slot of the cylinder of rotary compressor should hold slide plate can clash into broaching tool auxiliary hole by anti-slip limiting plate again, and therefore the length of vane slot 11 is the surplus of slide plate overall length Jia Yue 2mm.For realizing the flattening of compressor, longer usually by the length global design of slide plate, accordingly, the length of the vane slot on cylinder is also overall to be increased, and the rigidity of cylinder can be caused so not enough.
Consider this, the applicant does not adopt usual manner to carry out entirety to slide plate length and lengthens, but the extension of local is set on the exterior edge face of slide plate, on cylinder, arrange the positioning part little to its rigidity effects to coordinate with extension simultaneously, thus under cylinder bore diameter and the constant prerequisite of external diameter, add the effective length of slide plate, improve the crankshaft eccentric amount of compressor, be conducive to flattening and the miniaturization of compressor.
Particularly, spring eye 13 is for positioning the outer end 20b of spring (not shown), the inner 20a of spring and the outer end 20b phase of slide plate 20 only support with when slide plate 20 stretches into vane slot 11 for slide plate 20 stored energy, and release energy when slide plate 20 stretches out vane slot 11, thus slide plate 20 and piston 40 is made to be in contact condition all the time to ensure the sealing of air-inlet cavity and exhaust cavity.
In the concrete example shown in Fig. 3, the bearing of trend of spring eye 13 is consistent with the bearing of trend of vane slot 11, and front portion and the vane slot 11 of spring eye 13 connect, the sidewall of the through vane slot 11 in rear portion of spring eye 13 and the periphery wall 14 of cylinder 10.But the utility model is not limited to this, the rear portion of such as spring eye 13 can not the periphery wall 14 of through cylinder 10.
In a preferred embodiment of the present utility model, extension 21, positioning part 12 are at least one, and the identical and one_to_one corresponding of the number of extension 21, positioning part 12 coordinates.With reference to Fig. 4, slide plate 20 has two extensions 21, two extensions 21 lay respectively at the top and bottom of slide plate 20, the upper edge of the extension 21 of upper end is mutually concordant with the upper edge of slide plate 20, the lower edge of the extension 21 of lower end is mutually concordant with the lower edge of slide plate 20, the back edge of the extension 21 of upper end is mutually concordant with the back edge of the extension 21 of lower end, and the thickness of the thickness of the extension 21 of upper end, the thickness of extension, lower end 21, slide plate 20 is consistent.
With reference to Fig. 3, the number of the positioning part 12 of cylinder 10 is two, and two positioning parts 12 lay respectively at the top and bottom of cylinder 10, and the positioning part 12 of upper end is suitable with the extension 21 of upper end, and the positioning part 12 of lower end is suitable with the extension 21 of lower end.
According to a preferred embodiment of the present utility model, the number of positioning part 12 is two and is symmetrically distributed in the upper and lower of spring eye 13, and the number of extension 21 is two and is symmetrically distributed in the upper and lower of the exterior edge face 20c of slide plate 20.With reference to Fig. 4, the outer end 20b of slide plate 20 is provided with the spring positioning part 22 being positioned at slide plate 20, and the inner 20a of spring is set on spring positioning part 22 and the outer end 20b of spring is positioned in spring eye 13, and thinking that slide plate 20 stretches out provides Driving force.Thus, not only increase the stability that slide plate 20 slides in vane slot 11, and make slide plate 20 have better structural strength, effectively ensure slide plate 20 amount of deformation operationally.
In another embodiment of the present utility model, positioning part 12 is one and is distributed in top or the bottom of spring eye 13, and the number of extension 21 is one and is distributed in top or the bottom of the exterior edge face 20c of slide plate 20.
In the concrete example shown in Fig. 3 and Fig. 4, positioning part 12, the quantity of extension 21 is two, two positioning parts 12 and two extensions 21 symmetrical all in the vertical direction, but, the utility model is not limited to this, it will be appreciated by those skilled in the art that, the number of positioning part 12 and extension part is not limited to two, when positioning part 12 is multiple, the top being positioned at the extension 21 of the top is not concordant with the upper edge of slide plate 20, such as be positioned at the upper edge of the top below or above slide plate 20 of the extension 21 of the top, what be positioned at the extension 21 of bottom bottom also can not be concordant with the lower edge of slide plate 20.
According to a preferred embodiment of the present utility model, positioning part 12 and spring eye 13 minimum range are in the vertical direction greater than 2.5mm.Thus, the phenomenon of rigidity deficiency occurs to avoid cylinder 10 to occur further, and then the phenomenon that the vane slot 11 avoiding long-term work to cause and positioning part 12 are out of shape and affect the normal slip of slide plate 20 occurs.
With reference to Fig. 1, positioning part 12 is configured to locating slot, locating slot is roughly U-shaped, minimum range between the lower wall of top locating slot and the inwall of spring eye 13 is positioning part 12 and spring eye 13 minimum range in the vertical direction, in like manner, the minimum range between the upper side wall of below locating slot and the inwall of spring eye 13 is positioning part 12 and spring eye 13 minimum range in the vertical direction.When the number of positioning part 12 is multiple, positioning part 12 and spring eye 13 minimum range in the vertical direction refer to a value minimum in multiple positioning part 12 and spring eye 13 minimum range in the vertical direction.
According to an embodiment of the present utility model, positioning part 12 is configured to locating slot, and locating slot is communicated with vane slot 11.Particularly, with reference to Fig. 1, locating slot is positioned at outside vane slot 11, and the inner 20a of locating slot is connected with the outer end 20b of vane slot 11, and the bearing of trend of locating slot is consistent with the bearing of trend of slide plate 20, and namely locating slot also extends from inside to outside.Thus, the extension 21 of slide plate 20 can be engaged in locating slot at least partly, locating slot is not only extension 21 and provides guiding along inward-outward direction slip, and ensure the stability slided in extension 21, avoid extension 21 that larger bending deflection occurs, when making rotation, compressor complete machine runs more steady, longer service life.
Further, locating slot is along the periphery wall 14 of the through cylinder 10 of radial direction of cylinder 10.Wherein, the radial direction of cylinder 10 is the radial direction of cylinder chamber 17, and vane slot 11 and locating slot all extend and the periphery wall 14 of the through cylinder 10 of locating slot along the same radial direction of cylinder 10.Like this, farthest increase the length of locating slot, thus the maximum permission length of the extension 21 of slide plate 20 is increased, thus, the effective length of slide plate 20 can be increased further, thus increase the offset of bent axle, be conducive to the flattening of compressor.
In certain embodiments, locating slot is positioned at top and/or the bottom of spring eye 13, the upper surface 15 of the through cylinder 10 of superposed locating slot, is positioned at the lower surface 16 of the through cylinder 10 of locating slot of bottom.Thus, the location of slide plate 20 in vane slot 11 and installation is convenient to.
In a preferred embodiment of the present utility model, the left side wall of locating slot tilts from inside to outside gradually to the left, and/or the right side wall of positioning part 12 is tilted to the right from inside to outside gradually.Thus, make, in slide plate 20 movement process, not interfere between the extension 21 of slide plate 20 and locating slot, ensure that compressor reliablely and stablely runs.
In addition, the compressor of the utility model embodiment can be any one in single cylinder compressor, duplex cylinder compressor, multicylinder compressor, variable volume compressor.
Wherein, extension 21 and slide plate 20 can be an entirety, and itself and slide plate 20 are integrally formed; Extension 21 can be also different materials from slide plate 20, and extension 21 and slide plate 20 are by glued joint or alternate manner is connected.
The working procedure of the rotary compressor 100 of the utility model embodiment is described referring to Fig. 5.
As shown in Figure 5, cylinder 10 is located in housing 30, piston 40 rotates prejudicially under the drive of bent axle in cylinder chamber 17, when piston 40 is gradually near vane slot 11, slide plate 20 moves from inside to outside along vane slot 11 and compresses to make spring stores energy to spring, and slide plate 20 is transported extension 21 when sliding into outermost end 20b and matched with the positioning part 12 of cylinder 10; When piston 40 is gradually away from vane slot 11, slide plate 20 is along vane slot 11 to move outside to inside and spring releases energy to promote slide plate 20 moves from inside to outside, and extension 21 extend in vane slot 11 at least partly.
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 (10)
1. a rotary compressor, is characterized in that, comprising:
Cylinder, described cylinder is provided with vane slot and positioning part;
Slide plate, described slide plate is engaged in described vane slot and described slide plate has the inner and outer end, and the described outer end of described slide plate is provided with the extension to extending away from described interior extreme direction, being engaged at least partially in described positioning part of described extension.
2. rotary compressor according to claim 1, is characterized in that, described cylinder is also formed with the spring eye being positioned at described vane slot rear portion, described spring eye and described positioning part spaced apart.
3. rotary compressor according to claim 2, is characterized in that, described extension, described positioning part are at least one, and the identical and one_to_one corresponding of the number of described extension, described positioning part coordinates.
4. rotary compressor according to claim 3, it is characterized in that, the number of described positioning part is two and is symmetrically distributed in the upper and lower of described spring eye, and the number of described extension is two and is symmetrically distributed in the upper and lower of the exterior edge face of described slide plate.
5. rotary compressor according to claim 3, is characterized in that, described positioning part is one and is distributed in top or the bottom of described spring eye, and the number of described extension is one and is distributed in top or the bottom of the exterior edge face of described slide plate.
6. rotary compressor according to claim 2, is characterized in that, described positioning part and described spring eye minimum range are in the vertical direction greater than 2.5mm.
7. the rotary compressor according to any one of claim 2-6, is characterized in that, described positioning part is configured to locating slot, and described locating slot is communicated with described vane slot.
8. rotary compressor according to claim 7, is characterized in that, described locating slot is along the periphery wall of the through described cylinder of radial direction of cylinder.
9. rotary compressor according to claim 7, it is characterized in that, described locating slot is positioned at top and/or the bottom of described spring eye, the upper surface of the through described cylinder of superposed described locating slot, is positioned at the lower surface of the through described cylinder of described locating slot of bottom.
10. rotary compressor according to claim 9, is characterized in that, described rotary compressor is any one in single cylinder compressor, duplex cylinder compressor, multicylinder compressor and variable volume compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520631180.3U CN204941940U (en) | 2015-08-20 | 2015-08-20 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520631180.3U CN204941940U (en) | 2015-08-20 | 2015-08-20 | Rotary compressor |
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| Publication Number | Publication Date |
|---|---|
| CN204941940U true CN204941940U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520631180.3U Active CN204941940U (en) | 2015-08-20 | 2015-08-20 | Rotary compressor |
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| CN (1) | CN204941940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065271A (en) * | 2015-08-20 | 2015-11-18 | 广东美芝制冷设备有限公司 | Rotary compressor |
-
2015
- 2015-08-20 CN CN201520631180.3U patent/CN204941940U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065271A (en) * | 2015-08-20 | 2015-11-18 | 广东美芝制冷设备有限公司 | Rotary compressor |
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