CN104405639A - Rotation compressor - Google Patents
Rotation compressor Download PDFInfo
- Publication number
- CN104405639A CN104405639A CN201410811241.4A CN201410811241A CN104405639A CN 104405639 A CN104405639 A CN 104405639A CN 201410811241 A CN201410811241 A CN 201410811241A CN 104405639 A CN104405639 A CN 104405639A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- hollow
- solid part
- hollow parts
- vane slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
- F04C18/3564—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/20—Manufacture essentially without removing material
- F04C2230/23—Manufacture essentially without removing material by permanently joining parts together
- F04C2230/231—Manufacture essentially without removing material by permanently joining parts together by welding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a rotation compressor. The rotation compressor comprises a shell and an air cylinder component, wherein the air cylinder component comprises an air cylinder; the air cylinder is provided with a compression cavity; a slip sheet groove and a suction hole are formed in the air cylinder; the suction hole is formed in one side of the slip sheet groove; the air cylinder is provided with a first solid part and two first hollow parts which are arranged peripherally at intervals; one of the two first hollow parts is positioned at one side of the slip sheet groove and the suction hole, and the other one of the two first hollow parts is positioned at the other side of the slip sheet groove and the suction hole; the first solid part is positioned between the two first hollow parts and is opposite to the slip sheet groove; the outer peripheral wall of the air cylinder is provided with a first welding spot hole and two second welding spot holes; the first welding spot hole is opposite to the first solid part; the two second welding spot holes are respectively opposite to the two first hollow parts; the air cylinder is connected together with the shell in a welding mode via the first welding spot hole and the two second welding spot holes. The rotation compressor provided by the invention has improved performances.
Description
Technical field
The present invention relates to Compressor Manufacturing technical field, especially relate to a kind of rotary compressor.
Background technique
Point out in correlation technique, rotary compressor vane slot distortion in assembly process is comparatively large, and all in the trend that narrows, finally causes rotary compressor to occur stuck phenomenon.Because the link affecting vane slot distortion is more, and influence factor is also more, is difficult to control.Wherein, comparatively outstanding is three spot welding and the lower shell body welding process of cylinder and housing.Therefore, in order to avoid the distortion of cylinder, change cylinder welding into bearing welding, but adopt the mode of bearing welding to there are other hidden danger equally, such as bearing face distortion is large, easily occurs the problem that moment of torsion is bad in assembly process.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is to propose a kind of rotary compressor, improves the performance of rotary compressor.
According to the rotary compressor of the embodiment of the present invention, comprising: housing, and cylinder assembly, described cylinder assembly is located in described housing, described cylinder assembly comprises cylinder, described cylinder has compression chamber, described cylinder is formed with the vane slot and suction port that are communicated with described compression chamber, described vane slot extends along the radial direction of described cylinder, described suction port is positioned at the side of described vane slot, described cylinder is provided with the first solid part and two first hollow parts of circumferential spaced apart setting, one of them in described two the first hollow parts is positioned at the side of described vane slot and described suction port, another in described two the first hollow parts is positioned at the opposite side of described vane slot and described suction port, described first solid part is relative with described vane slot between described two the first hollow parts, the periphery wall of described cylinder is formed with the first solder joint hole and two the second solder joint holes, described first solder joint hole is relative with described first solid part, described two the second solder joint holes are relative with described two the first hollow parts respectively, described cylinder is linked into an integrated entity by described first solder joint hole and described two the second solder joint holes and described case weld.
According to the rotary compressor of the embodiment of the present invention, by arranging the first solid part at vane slot offside and the first solder joint hole is relative with the first solid part, simultaneously the first hollow part is set respectively in the both sides of vane slot and two first hollow parts of the second solder joint hole respectively with corresponding are corresponding, avoid rotary compressor and operationally occur stuck phenomenon, improve the performance of rotary compressor.And, due to the smoothness of flow channel, reduce the oil recycle ratio of refrigeration system, ensure that the oil return effect of rotary compressor.
Alternatively, the circumferential distance between the central axis of the center of described first solid part and the length direction of described vane slot is less than or equal to 1/3 of the circumferential lengths of described first solid part.
Preferably, on the central axis being centrally located at the length direction of described vane slot of described first solid part.
Alternatively, the circumferential distance between the center of described first solder joint hole and described first solid part and the line of described cylinder axis is less than or equal to 1/3 of the circumferential lengths of described first solid part.
Preferably, described first solder joint hole is positioned on the center of described first solid part and the line of described cylinder axis.
Alternatively, the circumferential distance between the center of each described second solder joint hole and corresponding described first hollow part and the line of described cylinder axis is less than or equal to 1/3 of the circumferential lengths of described first hollow part.
Alternatively, one end away from described first solid part of described two the first hollow parts is respectively adjacent to described suction port and the setting of described vane slot.
Further, described rotary compressor comprises further: two the second hollow parts, described two the second hollow parts are located at the both sides of described first solid part respectively, each second hollow part in the side away from vane slot of the first hollow part of correspondence, and has the second solid part between each described second hollow part and corresponding described first hollow part.
Alternatively, the circumferential lengths of the contiguous cylinder axis side of described first solid part is e, the circumferential lengths of the contiguous cylinder axis side of described two the second solid part is respectively c and d, and wherein as c≤d, described e meets: 1.5c<e<2c; As c > d, described e meets: 1.5d<e<2d.
Alternatively, the inner circumferential of described two the first hollow parts and described two the second hollow parts be positioned at the center of described cylinder for the center of circle circumferentially, the girth of described circumference is L, the circumferential lengths of the contiguous cylinder axis side of described two the second solid part is respectively c and d, and wherein said c/d meets: 0.05L<c/d<0.08L.
Alternatively, the inner circumferential of described two the first hollow parts and described two the second hollow parts be positioned at the center of described cylinder for the center of circle circumferentially, the girth of described circumference is L, the circumferential lengths of the contiguous cylinder axis side of described two the first hollow parts is respectively f and g, wherein said f and g meets respectively: 0.15L<f<0.20L, 0.15L<g<0.20L.
Alternatively, at least one groove is formed with in described first hollow part and/or described second hollow part.
Further alternatively, described groove is formed on the sidewall of the described cylinder axis of vicinity of described first hollow part and/or described second hollow part.
Further alternatively, described cylinder is formed with multiple tapped holes that circumference is spaced apart, wherein said groove is between adjacent two described tapped holes.
Alternatively, described cylinder has tapped hole, minimum range between the inwall of described tapped hole and the inwall of described compression chamber is a, and the minimum range between the inwall of described groove and the inwall of described compression chamber is b, and wherein said b meets: b>1.5a.
Alternatively, the joint rounding of described groove and described first hollow part and/or described second hollow part or chamfer transition.
Further, described cylinder assembly is included in the multiple cylinders axially arranged, and is provided with dividing plate between two adjacent described cylinders.
Additional aspect of the present invention 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 invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of the cylinder according to the embodiment of the present invention;
Fig. 2 is the size marking schematic diagram of the cylinder shown in Fig. 1.
Reference character:
Cylinder 1; Compression chamber 11; Vane slot 12; Suction port 13;
First solid part 141; Second solid part 142;
First hollow part 151; Groove 1511; Second hollow part 152;
First solder joint hole 161; Second solder joint hole 162; Tapped hole 17.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " 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 present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
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 one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For a person skilled in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to Fig. 1 and Fig. 2, the rotary compressor according to the embodiment of the present invention is described.
As depicted in figs. 1 and 2, according to the rotary compressor of the embodiment of the present invention, comprise housing (scheming not shown) and cylinder assembly.Wherein, cylinder assembly is located in housing.
Cylinder assembly comprises cylinder 1, cylinder 1 has the compression chamber 11 for compression refrigerant, compression chamber 11 can be formed as the center hole at the axial two ends running through cylinder 1, cylinder 1 is formed with vane slot 12 and suction port 13, vane slot 12 is all communicated with compression chamber 11 with suction port 13, and suction port 13 is for being passed into refrigerant to be compressed for outside in the compression chamber 11 of cylinder 1.
Vane slot 12 extends along the radial direction of cylinder 1, the slide plate (scheming not shown) moved radially along cylinder 1 can be held in vane slot 12, the inner of slide plate only can be supported with the periphery wall of the piston (scheming not shown) in compression chamber 11, and piston can roll to compress the refrigerant in compression chamber 11 along the inwall of compression chamber 11.Here, it should be noted that, " interior " can be understood as the direction towards cylinder 1 center, and its opposite direction is defined as " outward ", namely away from the direction at cylinder 1 center.The contiguous vane slot 12 of suction port 13 is arranged, and suction port 13 is positioned at the side (left side such as, in Fig. 1 and Fig. 2) of vane slot 12.
Wherein, when rotary compressor is single cylinder compressor, cylinder assembly comprises a cylinder 1.When rotary compressor is multicylinder compressor, cylinder assembly is included in the multiple cylinders 1 axially arranged, and is provided with dividing plate between two adjacent cylinders 1.Such as, when rotary compressor is duplex cylinder compressor, cylinder assembly is included in two cylinders 1 axially arranged, and dividing plate is located between these two cylinders 1.In description below the application, take rotary compressor as single cylinder compressor for example is described.
Cylinder 1 is provided with the first solid part 141 and two first hollow parts 151 of circumferential spaced apart setting, one of them in two the first hollow parts 151 is positioned at the side of vane slot 12 and suction port 13, another in two the first hollow parts 151 is positioned at the opposite side of vane slot 12 and suction port 13, first solid part 141 is between two the first hollow parts 151, and the first solid part 141 is relative with vane slot 12.
The periphery wall of cylinder 1 is formed with the first solder joint hole 161 and two the second solder joint holes 162, first solder joint hole 161 and two the second solder joint holes 162 can be inwardly concaved by a part for the periphery wall of cylinder 1 respectively and be formed, and cylinder 1 can be linked into an integrated entity with case weld by the first solder joint hole 161 and two the second solder joint holes 162.Be appreciated that the concrete size and dimension in the first solder joint hole 161 and two the second solder joint holes 162 etc. can require and adaptive change according to practical set, the present invention does not do concrete restriction to this.Wherein, the first solder joint hole 161 is relative with the first solid part 141, and two the second solder joint holes 162 are relative with two the first hollow parts 151 respectively.
See figures.1.and.2, two the first hollow parts 151 are hollow-core construction, two the first hollow parts 151 lay respectively at the left and right sides of vane slot 12 and suction port 13, correspondingly, two the second solder joint holes 162 also lay respectively at the left and right sides of vane slot 12 and suction port 13, first solid part 141 is solid construction, first solid part 141 is arranged in the side away from vane slot 12 of each of two the first hollow parts 151, now the first solder joint hole 161 is between two the second solder joint holes 162, and the first solder joint hole 161 is roughly positioned at the side relative with vane slot 12.
Alternatively, the shape of each first hollow part 151 can be the circle of rule, ellipse, long-round-shape or polygonal as rectangular etc., also can be other non-regular shape.
Because the first solder joint hole 161 of vane slot 12 offside is relative with the first solid part 141, two the second solder joint holes 162 of vane slot 12 both sides are relative with the first corresponding hollow part 151, then in welding process, the power that the welding of vane slot 12 offside first solder joint hole 161 is delivered to compression chamber 11 internal face is large, and the power that two the second solder joint holes 162 of vane slot 12 both sides are delivered to the internal face of compression chamber 11 is relatively little, thus making cylinder 1 ovalize, vane slot 12 has the trend broadened.
Similarly, when the lower shell body welding of housing, stressed identical during stressed and three spot welding with two the second solder joint hole 162 places of the first solder joint hole 161 of cylinder 1, be all the effect by radially inner power for cylinder 1.Therefore, total vane slot 12 distortion of rotary compressor after having assembled according to the embodiment of the present invention has clear improvement, and stuck phenomenon not easily appears in rotary compressor, and improves the performance of rotary compressor.
Preferably, one end away from the first solid part 141 of two the first hollow parts 151 is respectively adjacent to suction port 13 and vane slot 12 is arranged.Such as, as depicted in figs. 1 and 2, the contiguous suction port 13 in upper end of first hollow part 151 in left side is arranged, the contiguous vane slot 12 in upper end of first hollow part 151 on right side is arranged, thus, can improve vane slot 12 further and be out of shape.
Wherein, two the first hollow parts 151 can run through the axial two ends of cylinder 1, because the area of two the first hollow parts 151 is larger, substantially increase circulation area, make passage smooth and easy, thus reduce the oil recycle ratio of refrigeration system, ensure that the oil return effect of rotary compressor.
According to the rotary compressor of the embodiment of the present invention, by arranging the first solid part 141 at vane slot 12 offside and the first solder joint hole 161 is relative with the first solid part 141, simultaneously the first hollow part 151 is set respectively in the both sides of vane slot 12 and two first hollow parts 151 of the second solder joint hole 162 respectively with corresponding are corresponding, avoid rotary compressor and operationally occur stuck phenomenon, improve the performance of rotary compressor.And, due to the smoothness of flow channel, reduce the oil recycle ratio of refrigeration system, ensure that the oil return effect of rotary compressor.
Alternatively, the distance of the central axis of the center of the first solid part 141 and the length direction of vane slot 12 in the circumference of cylinder 1 is less than or equal to 1/3 of the circumferential lengths of the first solid part 141.That is, the central axis of the length direction of vane slot 12 must not be departed from more than 1/3 of the length of the first solid part 141 in the circumference of cylinder 1 in the center of the first solid part 141.Wherein, the center of the first solid part 141 is preferably placed on the central axis of the length direction of vane slot 12, now the central axes of the center of the first solid part 141 and the length direction of vane slot 12.Thus, vane slot 12 can be improved further to be out of shape.
Alternatively, the center of the first solder joint hole 161 and the first solid part 141 and the distance of line in the circumference of cylinder 1 at cylinder 1 center are less than or equal to 1/3 of the circumferential lengths of the first solid part 141.In other words, the center of the first solid part 141 and the line at cylinder 1 center must not be departed from more than 1/3 of the length of the first solid part 141 in the circumference of cylinder 1 in the first solder joint hole 161.Wherein, the first solder joint hole 161 is preferably placed on the center of the first solid part 141 and the line at cylinder 1 center.Thus, vane slot 12 can be improved further to be out of shape.
Alternatively, each second solder joint hole 162 is less than or equal to 1/3 of the circumferential lengths of the first hollow part 151 with the center of the first corresponding hollow part 151 and the distance of line in the circumference of cylinder 1 at cylinder 1 center.In other words, the corresponding center of the first hollow part 151 and the line at cylinder 1 center must not be departed from more than 1/3 of the length of the first hollow part 151 in the circumference of cylinder 1 in each second solder joint hole 162.Wherein, each second solder joint hole 162 is preferably placed on the corresponding center of the first hollow part 151 and the line at cylinder 1 center.Thus, vane slot 12 can be improved further to be out of shape.
See figures.1.and.2, rotary compressor comprises further: two the second hollow parts 152, two the second hollow parts 152 are located at the both sides of the first solid part 141 respectively, each second hollow part 152 is positioned at the side away from vane slot 12 of the first corresponding hollow part 151, and has the second solid part 142 between each second hollow part 152 and the first corresponding hollow part 151.Now the first solid part 141, two the second solid part 142, two the first hollow parts 151 and two the second hollow parts 152 interlaced arrangement in the circumference of cylinder 1.
Wherein, each second hollow part 152 is hollow-core construction, and each second solid part 142 is solid construction.Alternatively, the shape of each second hollow part 152 can be the circle of rule, ellipse, long-round-shape or polygonal as rectangular etc., but to be not limited thereto.
As shown in Figure 2, the circumferential lengths of the side, contiguous cylinder 1 center of the first solid part 141 is e, the circumferential lengths of the side, contiguous cylinder 1 center of two the second solid part 142 is respectively c and d, and wherein as c≤d, e meets: 1.5c<e<2c; As c > d, e meets: 1.5d<e<2d.Now the value of e is relevant with less in c and d one.
With reference to Fig. 2, the inner circumferential of two the first hollow parts 151 and two the second hollow parts 152 be positioned at the center of cylinder 1 for the center of circle circumferentially, the girth of circumference is L, and wherein c/d meets: 0.05L<c/d<0.08L.
Further, the circumferential lengths of the side, contiguous cylinder 1 center of two the first hollow parts 151 is respectively f and g, wherein f and g meets respectively: 0.15L<f<0.20L, 0.15L<g<0.20L.Wherein, the circumferential lengths of the side, contiguous cylinder 1 center of two the second hollow parts 152 can be determined by said structure.
Thus, vane slot 12 can be improved further and be out of shape, occur stuck phenomenon when avoiding rotary compressor to run further, thus further increase the performance of rotary compressor, and improve the reliability of rotary compressor.
According to a further embodiment of the invention, as depicted in figs. 1 and 2, at least one groove 1511 is formed with in the first hollow part 151 and/or the second hollow part 152.That is, groove 1511 can only be formed in the first hollow part 151, also can only be formed in the second hollow part 152, or groove 1511 can also be formed in the first hollow part 151 and the second hollow part 152 simultaneously.
Such as, groove 1511 can be formed on the sidewall at contiguous cylinder 1 center of the first hollow part 151 and/or the second hollow part 152.See figures.1.and.2, the sidewall of each first hollow part 151 and each second hollow part 152 is all formed with a groove 1511, and each groove 1511 can be inwardly concaved by a part for the sidewall at contiguous cylinder 1 center of the first hollow part 151 of correspondence or the second hollow part 152 and be formed.Wherein, the joint rounding of groove 1511 and the first hollow part 151 and/or the second hollow part 152 or chamfer transition.Alternatively, the shape of groove 1511 can be semicircle, polygonal or other is irregularly shaped.Certainly, the sidewall of each first hollow part 151 and each second hollow part 152 can also be formed with multiple groove 1511 (scheming not shown) respectively.
Cylinder 1 has tapped hole 17, and cylinder 1 can be connected with bearing through tapped hole 17 by threaded fastener such as screw etc.Wherein, as shown in Figure 2, the minimum range between the inwall of tapped hole 17 and the inwall of compression chamber 11 is a, and the minimum range between the inwall of groove 1511 and the inwall of compression chamber 11 is b, and wherein b meets: b>1.5a.
Further, see figures.1.and.2, cylinder 1 be formed with circumference multiple tapped holes 17 spaced apart, wherein in the circumference of cylinder 1, groove 1511 is between adjacent two tapped holes 17.
Wherein, it should be noted that the setting of groove 1511 should ensure the sealing between cylinder 1 and bearing.Thus, by arranging groove 1511 in the first hollow part 151 and/or the second hollow part 152, can reduce less to seal action contribution or be zero material, thus significantly reduce cost of material.
According to the rotary compressor of the embodiment of the present invention, the phenomenon that the vane slot 12 improving traditional rotary compressor is out of shape, improves the Performance And Reliability of rotary compressor.In addition, due to hollow-core construction (comprising the first hollow part 151 and the second hollow part 152) and the groove 1511 of cylinder 1, add circulation area, ensure that the oil return effect of rotary compressor, and decrease raw materials consumption, reduce fabricating cost.
Be all known according to other configuration examples of the rotary compressor of the embodiment of the present invention to those skilled in the art as motor etc. and operation, be not described in detail here.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " 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 invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (17)
1. a rotary compressor, is characterized in that, comprising:
Housing; With
Cylinder assembly, described cylinder assembly is located in described housing, described cylinder assembly comprises cylinder, described cylinder has compression chamber, described cylinder is formed with the vane slot and suction port that are communicated with described compression chamber, described vane slot extends along the radial direction of described cylinder, described suction port is positioned at the side of described vane slot, described cylinder is provided with the first solid part and two first hollow parts of circumferential spaced apart setting, one of them in described two the first hollow parts is positioned at the side of described vane slot and described suction port, another in described two the first hollow parts is positioned at the opposite side of described vane slot and described suction port, described first solid part is relative with described vane slot between described two the first hollow parts, the periphery wall of described cylinder is formed with the first solder joint hole and two the second solder joint holes, described first solder joint hole is relative with described first solid part, described two the second solder joint holes are relative with described two the first hollow parts respectively, described cylinder is linked into an integrated entity by described first solder joint hole and described two the second solder joint holes and described case weld.
2. rotary compressor according to claim 1, is characterized in that, the circumferential distance between the central axis of the center of described first solid part and the length direction of described vane slot is less than or equal to 1/3 of the circumferential lengths of described first solid part.
3. rotary compressor according to claim 2, is characterized in that, on the central axis being centrally located at the length direction of described vane slot of described first solid part.
4. rotary compressor according to claim 1, is characterized in that, the circumferential distance between the center of described first solder joint hole and described first solid part and the line of described cylinder axis is less than or equal to 1/3 of the circumferential lengths of described first solid part.
5. rotary compressor according to claim 4, is characterized in that, described first solder joint hole is positioned on the center of described first solid part and the line of described cylinder axis.
6. rotary compressor according to claim 1, it is characterized in that, the circumferential distance between the center of each described second solder joint hole and corresponding described first hollow part and the line of described cylinder axis is less than or equal to 1/3 of the circumferential lengths of described first hollow part.
7. rotary compressor according to claim 1, is characterized in that, one end away from described first solid part of described two the first hollow parts is respectively adjacent to described suction port and described vane slot is arranged.
8. the rotary compressor according to any one of claim 1-7, is characterized in that, comprises further:
Two the second hollow parts, described two the second hollow parts are located at the both sides of described first solid part respectively, each second hollow part in the side away from vane slot of the first hollow part of correspondence, and has the second solid part between each described second hollow part and corresponding described first hollow part.
9. rotary compressor according to claim 8, is characterized in that, the circumferential lengths of the contiguous cylinder axis side of described first solid part is e, and the circumferential lengths of the contiguous cylinder axis side of described two the second solid part is respectively c and d, wherein
As c≤d, described e meets: 1.5c<e<2c; As c > d, described e meets: 1.5d<e<2d.
10. rotary compressor according to claim 8, it is characterized in that, the inner circumferential of described two the first hollow parts and described two the second hollow parts be positioned at the center of described cylinder for the center of circle circumferentially, the girth of described circumference is L, the circumferential lengths of the contiguous cylinder axis side of described two the second solid part is respectively c and d, and wherein said c/d meets: 0.05L<c/d<0.08L.
11. rotary compressors according to claim 8, it is characterized in that, the inner circumferential of described two the first hollow parts and described two the second hollow parts be positioned at the center of described cylinder for the center of circle circumferentially, the girth of described circumference is L, the circumferential lengths of the contiguous cylinder axis side of described two the first hollow parts is respectively f and g, and wherein said f and g meets respectively:
0.15L<f<0.20L，0.15L<g<0.20L。
12. rotary compressors according to claim 8, is characterized in that, are formed with at least one groove in described first hollow part and/or described second hollow part.
13. rotary compressors according to claim 12, is characterized in that, described groove is formed on the sidewall of the described cylinder axis of vicinity of described first hollow part and/or described second hollow part.
14. rotary compressors according to claim 12, is characterized in that, described cylinder is formed with multiple tapped holes that circumference is spaced apart, wherein said groove is between adjacent two described tapped holes.
15. rotary compressors according to claim 12, it is characterized in that, described cylinder has tapped hole, minimum range between the inwall of described tapped hole and the inwall of described compression chamber is a, minimum range between the inwall of described groove and the inwall of described compression chamber is b, and wherein said b meets: b>1.5a.
16. rotary compressors according to claim 12, is characterized in that, the joint rounding of described groove and described first hollow part and/or described second hollow part or chamfer transition.
17. rotary compressors according to claim 1, is characterized in that, described cylinder assembly is included in the multiple cylinders axially arranged, and are provided with dividing plate between two adjacent described cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410811241.4A CN104405639B (en) | 2014-12-19 | 2014-12-19 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410811241.4A CN104405639B (en) | 2014-12-19 | 2014-12-19 | Rotary compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104405639A true CN104405639A (en) | 2015-03-11 |
| CN104405639B CN104405639B (en) | 2017-06-13 |
Family
ID=52643293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410811241.4A Active CN104405639B (en) | 2014-12-19 | 2014-12-19 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104405639B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5844290A (en) * | 1981-09-09 | 1983-03-15 | Hitachi Ltd | Rotray compressor |
| JPS5982595A (en) * | 1982-11-02 | 1984-05-12 | Matsushita Electric Ind Co Ltd | Vibration damping device of enclosed type motor-driven compressor |
| JPS61171888A (en) * | 1985-01-25 | 1986-08-02 | Toshiba Corp | Manufacture of compression equipment |
| JPH0422791A (en) * | 1990-05-17 | 1992-01-27 | Toshiba Corp | Compressor |
| CN102251967A (en) * | 2010-05-19 | 2011-11-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Welding structure of rotary type compressor pump body and rotary type compressor pump body provided therewith |
| CN203730315U (en) * | 2013-12-26 | 2014-07-23 | 瑞智(青岛)精密机电有限公司 | Novel rotary type compressor |
| CN204371669U (en) * | 2014-12-19 | 2015-06-03 | 广东美芝制冷设备有限公司 | Rotary compressor |
-
2014
- 2014-12-19 CN CN201410811241.4A patent/CN104405639B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5844290A (en) * | 1981-09-09 | 1983-03-15 | Hitachi Ltd | Rotray compressor |
| JPS5982595A (en) * | 1982-11-02 | 1984-05-12 | Matsushita Electric Ind Co Ltd | Vibration damping device of enclosed type motor-driven compressor |
| JPS61171888A (en) * | 1985-01-25 | 1986-08-02 | Toshiba Corp | Manufacture of compression equipment |
| JPH0422791A (en) * | 1990-05-17 | 1992-01-27 | Toshiba Corp | Compressor |
| CN102251967A (en) * | 2010-05-19 | 2011-11-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Welding structure of rotary type compressor pump body and rotary type compressor pump body provided therewith |
| CN203730315U (en) * | 2013-12-26 | 2014-07-23 | 瑞智(青岛)精密机电有限公司 | Novel rotary type compressor |
| CN204371669U (en) * | 2014-12-19 | 2015-06-03 | 广东美芝制冷设备有限公司 | Rotary compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104405639B (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106089711B (en) | Multi-cylinder rotation compressor and refrigerating circulatory device with it | |
| CN104074764B (en) | Rotary compressor | |
| CN106050726A (en) | Compressor | |
| CN105782035A (en) | Scroll Compressor with Unloader Assembly | |
| EP3078859B1 (en) | Rotary compressor and compression unit thereof, and air conditioner | |
| CN104500403B (en) | Rotary compressor | |
| CN204371669U (en) | Rotary compressor | |
| CN104819155A (en) | Crankshaft used for rotary type compressor, rotary type compressor and refrigerating cycle device | |
| CN104405639A (en) | Rotation compressor | |
| CN203375767U (en) | Shell and tube assembly and air conditioner with same | |
| CN104533796B (en) | Rotary compressor | |
| CN107191375A (en) | Compression mechanism and refrigeration plant | |
| CN104265632A (en) | Cylinder assembly and rotary compressor and pump with same | |
| CN204239252U (en) | Rotary compressor | |
| CN204003349U (en) | Compressor and exhaust pipe assembly thereof | |
| CN104296345A (en) | Wind supply component for air conditioner and air conditioner with same | |
| CN204312335U (en) | Rotary compressor and refrigeration system | |
| CN204061094U (en) | Duplex cylinder compressor and the air-conditioning with it | |
| CN205349728U (en) | Rotary compressor | |
| CN103511257A (en) | Rotary compressor and crank shaft assembly thereof | |
| CN204140306U (en) | Compressor | |
| CN104481882A (en) | Compression mechanism for rotary compressor and rotary compressor with same | |
| CN204312358U (en) | For rotary compressor compressing mechanism and there is its rotary compressor | |
| CN204312354U (en) | Rotary compressor | |
| CN104121166A (en) | Two-cylinder compressor and air conditioner with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |