CN206738148U - Rotary compressor and the refrigeration system with the rotary compressor - Google Patents
Rotary compressor and the refrigeration system with the rotary compressor Download PDFInfo
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- CN206738148U CN206738148U CN201720477971.4U CN201720477971U CN206738148U CN 206738148 U CN206738148 U CN 206738148U CN 201720477971 U CN201720477971 U CN 201720477971U CN 206738148 U CN206738148 U CN 206738148U
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Abstract
The utility model discloses a kind of rotary compressor and with the rotary compressor refrigeration system, rotary compressor includes housing, electric motor and compression mechanical part, and compression mechanical part includes cylinder, piston, slide plate, bent axle, clutch shaft bearing and second bearing；At least one in first and second bearings is provided with delivery valve seat, one end of delivery valve seat is provided with steam vent, the middle part of delivery valve seat is provided with valve seat groove, the other end of delivery valve seat is provided with exhaust valve plate installation portion, exhaust valve plate installation portion is used for the afterbody for fixing exhaust valve plate, and the head of exhaust valve plate is suitable to open or close steam vent；Wherein, the center that the center line of exhaust valve plate installation portion passes through steam vent, and the center line of the center line of exhaust valve plate installation portion and valve seat groove is not arranged on the same straight line, and, the center line of valve seat groove is located at the side of the remote cylinder of the center line of exhaust valve plate installation portion in cylinder radially.According to rotary compressor of the present utility model, efficiency high and reliability height.
Description
Technical field
Refrigerating field is the utility model is related to, it is in particular to a kind of rotary compressor and rotary with this
The refrigeration system of compressor.
Background technology
To meet power conservation requirement, the efficiency grade of air conditioner is further lifted, it is also more next to the efficiency requirements of compressor
It is higher.In correlation technique, the efficiency and reliability of compressor has to be hoisted.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, the utility model carries
Go out a kind of rotation pressure type contracting machine, the efficiency high and reliability of the rotary compressor are high.
The utility model also proposes another rotary compressor, the efficiency high and reliability of the rotary compressor
It is high.
The utility model also proposes a kind of refrigeration system with above-mentioned rotary compressor.
The application is made based on discovery of the inventor to following facts and problem and understanding：Inventor has found to pass through conjunction
The position of reason ground control delivery valve seat, and the hanging area above heart hole in the cylinder of delivery valve seat is rationally controlled, can be effectively
The deformation for the bearing that steam vent is set is reduced, improves compressor efficiency and reliability.
According to the rotary compressor of the utility model first aspect, electric motor is stored in the housing of sealing and by institute
The revolving compression mechanical part of electric motor driving is stated, the compression mechanical part includes：Cylinder, the cylinder have compression
Chamber；Piston, it is located in the compression chamber piston eccentric rotary；Slide plate, the slide plate stop the periphery for being against the piston
On wall and move back and forth；Bent axle, the bent axle are suitable to drive the piston eccentric rotary；Clutch shaft bearing, the clutch shaft bearing are set
In the upper end of the cylinder；Second bearing, the second bearing are located at the lower end of the cylinder, the clutch shaft bearing and described
Two bearings are used to support the bent axle, and seal the compression chamber；At least one in the clutch shaft bearing and the second bearing
Individual to be provided with delivery valve seat, one end of the delivery valve seat is provided with the middle part of steam vent, the delivery valve seat provided with valve seat groove, institute
The other end for stating delivery valve seat is provided with exhaust valve plate installation portion, and the exhaust valve plate installation portion is used for the tail for fixing exhaust valve plate
Portion, the head of the exhaust valve plate are suitable to open or close the steam vent；Wherein, the center line of the exhaust valve plate installation portion
By the center of the steam vent, and the center line of the center line of the exhaust valve plate installation portion and the valve seat groove is not same
On bar straight line, and, the center line of the valve seat groove is located at the center of the exhaust valve plate installation portion in the cylinder radially
The side of the remote cylinder of line.
According to the rotary compressor of the utility model embodiment, by the way that the center line of valve seat groove is arranged on into exhaust valve plate
The direction of the remote cylinder of the center line of installation portion, i.e., in cylinder radially, the center line of valve seat groove are pacified with respect to exhaust valve plate
The center line in dress portion is offset to the direction away from cylinder, changes the set location of delivery valve seat, hanging so as to reduce delivery valve seat
Area above heart hole in the cylinder, the bearing of setting steam vent can be efficiently reduced (in clutch shaft bearing and second bearing extremely
Few one) deformation, improve compressor efficiency and reliability.
The distance between center line of the center line of the valve seat groove and the exhaust valve plate installation portion is △ L, the valve
The width of seat slot is L, a diameter of D on the head of the exhaust valve plate, and meets 0≤△ L≤0.5* (D-L).
According to rotary compressor of the present utility model, by the way that offset △ L are set within the above range, exhaust can be made
Area of the valve seat vacantly above the centre bore of cylinder is more reasonable, more efficiently reduces the bearing (first axle for setting steam vent
Hold with it is at least one in second bearing) deformation, further improve compressor efficiency and reliability.
At least one cylindrical and exhaust valve plate installation portion in the clutch shaft bearing and the second bearing
Between minimum wall thickness (MINI W.) be L1, and L1 >=2mm.
According to rotary compressor of the present utility model, L1 is set within the above range, is ensureing steam vent and exhaust valve plate
On the premise of installation portion position is constant, reduces the inner diameter zone area that delivery valve seat falls into cylinder as far as possible, i.e., arrange as far as possible
The hanging area above the centre bore of cylinder of air valve seat, compression mechanical part is reduced in installation process due to provided with delivery valve seat
Bearing deformation caused by rotary compressor power consumption rise, further improve compressor efficiency.
The exhaust valve plate installation portion has exhaust valve plate mounting hole, and the center line of the exhaust valve plate installation portion passes through institute
State the center of exhaust valve plate mounting hole.
Alternatively, the rotary compressor also includes threaded connector, the threaded connector and the exhaust valve plate
Mounting hole coordinates, and the afterbody of the exhaust valve plate installation portion and the exhaust valve plate is fixed.
The exhaust valve plate installation portion is formed as exhaust valve plate fixing groove, and the afterbody of the exhaust valve plate passes through welding or riveting
Connect and be fixed in the exhaust valve plate fixing groove.
According to the rotary compressor of the utility model second aspect, electric motor is stored in the housing of sealing and by institute
The revolving compression mechanical part of electric motor driving is stated, the compression mechanical part includes：Multiple cylinders, each cylinder are equal
With compression chamber, separated between the two neighboring cylinder by dividing plate；Multiple pistons, each equal eccentric rotary of piston
It is located in a corresponding compression chamber；Multiple slide plates, each slide plate are only against a corresponding piston
On periphery wall and move back and forth；Bent axle, the bent axle are suitable to drive the piston rotation；Clutch shaft bearing, the clutch shaft bearing are set
In the upper end of the cylinder of the top；Second bearing, the second bearing are located at the lower end of the cylinder of bottom, the clutch shaft bearing
It is used to support the bent axle with the second bearing, and seals the corresponding compression chamber；The clutch shaft bearing and described second
At least one in bearing is provided with delivery valve seat, and one end of the delivery valve seat is provided with steam vent, the delivery valve seat
Portion is provided with valve seat groove, the other end of the air bleeding valve is provided with exhaust valve plate installation portion, and the exhaust valve plate installation portion is used to fix
The afterbody of exhaust valve plate, the head of the exhaust valve plate are suitable to open or close the steam vent；Wherein, the exhaust valve plate peace
The center line in dress portion by the center of the steam vent, and the center line of the exhaust valve plate installation portion with the valve seat groove
Heart line is not arranged on the same straight line, and, the center line of the valve seat groove is located at the exhaust valve plate in the cylinder radially
The side of the remote cylinder of the center line of installation portion.
According to the rotary compressor of the utility model embodiment, by the way that the center line of valve seat groove is arranged on into exhaust valve plate
The direction of the remote cylinder of the center line of installation portion, i.e., in cylinder radially, the center line of valve seat groove are pacified with respect to exhaust valve plate
The center line in dress portion is offset to the direction away from cylinder, changes the set location of delivery valve seat, hanging so as to reduce delivery valve seat
Area above heart hole in the cylinder, the bearing of setting steam vent can be efficiently reduced (in clutch shaft bearing and second bearing extremely
Few one) deformation, improve compressor efficiency and reliability.
The distance between center line of the center line of the valve seat groove and the exhaust valve plate installation portion is △ L, the valve
The width of seat slot is L, a diameter of D on the head of the exhaust valve plate, and meets 0≤△ L≤0.5* (D-L).
At least one cylindrical and exhaust valve plate installation portion in the clutch shaft bearing and the second bearing
Between minimum wall thickness (MINI W.) be L1, and L1 >=2mm.
A kind of refrigeration system is proposed according to the utility model third aspect, includes the rotary compressor of above-mentioned first aspect
And/or the rotary compressor of second aspect.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the structural representation according to the rotary compressor of the utility model embodiment；
Fig. 2 is the structural representation according to the delivery valve seat of the utility model embodiment；
Fig. 3 is the structural representation according to the exhaust valve plate of the utility model embodiment.
Reference：
Rotary compressor 100,
Cylinder 1, piston 2, slide plate 3, bent axle 4, clutch shaft bearing 51, second bearing 52, electric motor 6,
Delivery valve seat 7, steam vent 71, first through hole 711, the second through hole 712, valve seat groove 72, exhaust valve plate installation portion 73,
Air bleeding valve mounting hole 731,
Exhaust valve plate 8, head 81, middle part 82, afterbody 83,
Elastic component 9, housing 10, the center line L11 of valve seat groove, the center line L12 of exhaust valve plate installation portion, exhaust valve plate
The center line L13 of afterbody, the center line L14 at the middle part of exhaust valve plate.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " on ", " under ", " interior ", " outer ", " footpath
To " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of and describe this reality
With new and simplify description, rather than instruction or imply that signified device or element there must be specific orientation, with specific
Azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, define " first ", the spy of " second "
Sign can be expressed or implicitly include one or more this feature.In description of the present utility model, unless otherwise saying
Bright, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Rotary compressor 100 below with reference to Fig. 1-Fig. 3 descriptions according to the utility model embodiment.Such as Fig. 1-Fig. 3 institutes
Show, housing 10, electric motor 6 and compression mechanical part are included according to the rotary compressor 100 of the utility model embodiment.Sealing
Housing 10 in stored electric motor 6 and the revolving compression mechanical part driven by electric motor 6, i.e. compression mechanical part exists
Rotated under the driving of electric motor 6, to realize compression function.
As shown in Figure 1-Figure 3, compressor means portion includes cylinder 1, piston 2, slide plate 3, clutch shaft bearing 51 and second bearing
52。
Cylinder 1 has compression chamber, is located in compression chamber the eccentric rotary of piston 2, and slide plate 3 stops the periphery wall for being against piston 2
Upper and reciprocating motion, specifically, as shown in figure 1, one end of slide plate 3 is connected by elastic component 9 with the periphery wall of piston 2, and it is sliding
Piece 3 is reciprocally located on cylinder 1, and alternatively, elastic component 9 can be compression spring.
Bent axle 4 is suitable to the driving eccentric rotary of piston 2, and bent axle 4 is connected with electric motor 6, in the driving backspin of electric motor 6
Turn with the band eccentric rotary of piston 2.
As shown in figure 1, clutch shaft bearing 51 is located at the upper end of cylinder 1, second bearing 52 is located at the lower end of cylinder 1, first axle
Hold 51 and second bearing 52 be used for support bent axle 4, and seal compression chamber.
Wherein, at least one in clutch shaft bearing 51 and second bearing 52 is provided with delivery valve seat 7, for convenience,
It is described in following description exemplified by delivery valve seat 7 is set on clutch shaft bearing 51.
As shown in Fig. 2 one end of delivery valve seat 7 is provided with steam vent 71, the middle part 82 of delivery valve seat 7 is provided with valve seat groove 72,
The other end of delivery valve seat 7 is provided with exhaust valve plate installation portion 73.
Alternatively, steam vent 71 includes being interconnected in the vertical direction and center line is located at collinear first through hole
711 and second through hole 712, the diameter of first through hole 711 be more than the diameter of the second through hole 712, i.e. steam vent 71 is shoulder hole.
As shown in Fig. 2 valve seat groove 72 is the groove being downwardly concaved from the upper surface of clutch shaft bearing 51, one end of valve seat groove 72
Extend to the periphery wall of steam vent 71 and connected with steam vent 71, exhaust valve plate installation portion 73, which can be formed as exhaust valve plate, to be fixed
Groove, the groove that exhaust valve plate fixing groove is downwardly concaved from the upper surface of clutch shaft bearing 51, and one end of exhaust valve plate fixing groove with
The other end connection of valve seat groove 72, and one end closing of exhaust valve plate fixing groove.
As shown in figure 3, exhaust valve plate 8, which has, is sequentially connected head 81, middle part 82 and afterbody 83.Exhaust valve plate installation portion 73
For fixing the afterbody 83 of exhaust valve plate 8.In certain embodiments, rotary compressor 100 can also include threaded connector,
Exhaust valve plate installation portion 73 has exhaust valve plate mounting hole 731, and threaded connector coordinates with exhaust valve plate mounting hole 731, will
The afterbody 83 of exhaust valve plate 8 is fixed with exhaust valve plate installation portion 73.
In further embodiments, exhaust valve plate installation portion 73 is formed as exhaust valve plate fixing groove, the afterbody of exhaust valve plate 8
83 are fixed in exhaust valve plate fixing groove by welding or riveting.
The head 81 of exhaust valve plate 8 is suitable to open or close steam vent 71, and specifically, the head 81 of exhaust valve plate 8 is suitable to
Second through hole 712 is opened or closed, the middle part 82 of exhaust valve plate 8 is suitable to be movably arranged in the valve seat groove 72.
As shown in Fig. 2 centers of the center line L12 of exhaust valve plate installation portion 73 by steam vent 71, and exhaust valve plate is pacified
The center line L12 in dress portion 73 is not arranged on the same straight line with the center line L11 of valve seat groove 72, and, valve seat. in cylinder 1 radially
The center line L11 of groove 72 is located at the side of the center line L12 of exhaust valve plate installation portion 73 remote cylinder 1.
That is, the center line L11 of valve seat groove 72 is located in exhaust valve plate installation portion 73 in cylinder 1 radially
Heart line L12 outside, and the center line L11 of valve seat groove 72 is offset to the direction away from cylinder 1.
When exhaust valve plate installation portion 73 has exhaust valve plate mounting hole 731, the center line L12 of exhaust valve plate installation portion 73
Pass through the center of exhaust valve plate mounting hole 731.
When exhaust valve plate installation portion 73 is formed as exhaust valve plate fixing groove, the center line L12 of exhaust valve plate installation portion 73
For the center line of exhaust valve plate fixing groove.
In a specific embodiment as shown in Figure 2, exhaust valve plate installation portion 73 has exhaust valve plate fixing groove, exhaust
Valve block mounting hole 731 is located on the bottom wall of exhaust valve plate fixing groove, and the center line L12 of exhaust valve plate installation portion 73 is exhaust valve plate
The center line of fixing groove and pass through the center of exhaust valve plate mounting hole 731.
According to the rotary compressor 100 of the utility model embodiment, by the way that the center line L11 of valve seat groove 72 is arranged on
The direction of the center line L12 of exhaust valve plate installation portion 73 remote cylinder 1, i.e., in cylinder 1 radially, the center of valve seat groove 72
Line L11 is offset relative to the center line L12 of exhaust valve plate installation portion 73 to the direction away from cylinder 1, changes the setting of delivery valve seat 7
Position, so as to reduce area of the delivery valve seat 7 vacantly above the centre bore of cylinder 1, it can efficiently reduce and delivery valve seat 7 is set
The deformation of bearing (at least one in clutch shaft bearing 51 and second bearing 52), improve compressor efficiency and reliability.
One cylinder 1, the i.e. rotary compression are included according to the rotary compressor 100 of the utility model some embodiments
Machine 100 can be single cylinder compressor.
The utility model also proposes a kind of rotary compressor 100, and the rotary compressor 100 is multicylinder compressor, bag
Include housing 10, electric motor 6 and compression mechanical part.Electric motor 6 has been stored in the housing 10 of sealing and has been driven by electric motor 6
Revolving compression mechanical part, i.e. compression mechanical part rotates under the driving of electric motor 6, to realize compression function.
Compression mechanical part includes multiple cylinders 1, multiple pistons 2, multiple slide plates 3, bent axle 4, the axle of clutch shaft bearing 51 and second
52 are held, each cylinder 1 is respectively provided with compression chamber, is separated between two neighboring cylinder 1 by dividing plate, each 2 equal eccentric rotary of piston
Ground is located in a corresponding compression chamber, and each slide plate 3 is only against on the periphery wall of a corresponding piston 2 and reciprocal fortune
Dynamic, bent axle 4 is suitable to driving piston 2 and rotated, and clutch shaft bearing 51 is located at the upper end of the cylinder 1 of the top, and second bearing 52 is located at most
The lower end of the cylinder 1 of lower end, clutch shaft bearing 51 and second bearing 52 are used to support bent axle 4, and seal corresponding compression chamber.
At least one in clutch shaft bearing 51 and second bearing 52 is provided with delivery valve seat 7, and one end of delivery valve seat 7 is provided with
Steam vent 71, the middle part 82 of delivery valve seat 7 is provided with valve seat groove 72, the other end of air bleeding valve is provided with exhaust valve plate installation portion 73, arranges
Air valve plate installation portion 73 is used for the afterbody 83 for fixing exhaust valve plate 8, and the head 81 of exhaust valve plate 8 is suitable to open or close steam vent
71。
According to the multi-cylinder rotary compressor 100 of the utility model embodiment, the center line L12 of exhaust valve plate installation portion 73
By the center of steam vent 71, and the center line L11 of the center line L12 of exhaust valve plate installation portion 73 and valve seat groove 72 is not same
On bar straight line, and, the center line L11 of valve seat groove 72 is located at the center line L12 of exhaust valve plate installation portion 73 in cylinder 1 radially
Remote cylinder 1 side, that is to say, that, the center line L11 of valve seat groove 72 is located at exhaust valve plate peace in cylinder 1 radially
The center line L12 in dress portion 73 outside, and the center line L11 of valve seat groove 72 is offset to the direction away from cylinder 1, so as to reduce row
The hanging area above the centre bore of cylinder 1 of air valve seat 7, the bearing (clutch shaft bearing 51 that delivery valve seat 7 is set can be efficiently reduced
With it is at least one in second bearing 52) deformation, improve compressor efficiency and reliability.
In short, the center line L11 of valve seat groove 72 is arranged on to the center line L12 of exhaust valve plate installation portion 73 remote gas
The rotary compressor 100 of the side of cylinder 1, can be single cylinder compressor or multicylinder compressor.
In certain embodiments, between the center line L11 of valve seat groove 72 and the center line L12 of exhaust valve plate installation portion 73
Distance is △ L, i.e., in cylinder 1 radially, the center line of the center line L11 of valve seat groove 72 with respect to exhaust valve plate installation portion 73
The offset that L12 is offset to the direction away from cylinder 1 is △ L, and the width of valve seat groove 72 is L, the head 81 of exhaust valve plate 8 it is straight
Footpath is D, and meets 0≤△ L≤0.5* (D-L).
Found by the research of inventor, offset △ L are set within the above range, delivery valve seat 7 can be made vacantly to exist
Area above the centre bore of cylinder 1 is more reasonable, more efficiently reduces bearing (clutch shaft bearing 51 and for setting steam vent 71
It is at least one in two bearings 52) deformation, further improve compressor efficiency and reliability.
It is understood that it is corresponding, as shown in figure 3, the center line L13 of the afterbody 83 of exhaust valve plate 8 passes through air bleeding valve
The center line L13 of the afterbody 83 at the center on the head 81 of piece 8, i.e. exhaust valve plate 8 and the center line on the head 81 of exhaust valve plate 8 are total to
Line, the center line L14 at the middle part 82 of exhaust valve plate 8 are located at the center line L13 of the afterbody 83 of exhaust valve plate 8 remote cylinder 1
The side in direction, and, the afterbody of the center line L13 of the afterbody 83 of exhaust valve plate 8 with respect to exhaust valve plate 8 in cylinder 1 radially
The offset that 83 center line L13 is offset to the direction away from cylinder 1 is △ L, and the width of valve seat groove 72 is L, exhaust valve plate 8
A diameter of D on head 81, and meet 0≤△ L≤0.5* (D-L).
When exhaust valve plate 8 is assembled on delivery valve seat 7, the center line L13 and exhaust valve plate of the afterbody 83 of exhaust valve plate 8
The center line L12 of installation portion 73 is overlapped, the center line L11 of valve seat groove 72 and the center line L14 weights at the middle part 82 of exhaust valve plate 8
Close.
In certain embodiments, at least one cylindrical and exhaust valve plate installation in clutch shaft bearing 51 and second bearing 52
Minimum wall thickness (MINI W.) between portion 73 is L1, and L1 >=2mm.That is, the cylindrical and exhaust valve plate of the bearing of delivery valve seat 7 is set
Minimum wall thickness (MINI W.) between installation portion 73 is L1, and L1 >=2mm.
In a specific embodiment as shown in Figure 2, clutch shaft bearing 51 is provided with delivery valve seat 7, clutch shaft bearing 51
The cylindrical minimum wall thickness (MINI W.) between exhaust valve plate installation portion 73 is L1, and L1 >=2mm.
It is the most weak region of the rigidity of whole compression mechanical part on axle provided with delivery valve seat 7.Due to by bearing
The limitation of external diameter, according to the rotary compressor 100 of the utility model embodiment, make setting delivery valve seat 7 bearing it is cylindrical
Minimum wall thickness (MINI W.) L1 between exhaust valve plate installation portion 73 meets L1 >=2mm, is ensureing steam vent 71 and exhaust valve plate installation portion
On the premise of 73 positions are constant, reduce the inner diameter zone area that delivery valve seat 7 falls into cylinder 1 as far as possible, i.e., be vented as far as possible
The hanging area above the centre bore of cylinder 1 of valve seat 7, compression mechanical part is reduced in installation process due to provided with delivery valve seat
The power consumption of rotary compressor 100 caused by 7 bearing deformation rises, and further improves compressor efficiency.
The utility model also proposes a kind of refrigeration system, and the refrigeration system includes the rotary compressor in above-described embodiment
100, i.e. refrigeration system can include above-mentioned single cylinder rotary compressor 100, can also include above-mentioned multi-cylinder rotary compressor
100, above-mentioned single cylinder rotary compressor 100 and above-mentioned multi-cylinder rotary compressor 100 can also be included simultaneously.According to this practicality
The refrigeration system of new embodiment, by setting above-mentioned rotary compressor 100, so as to have efficiency high, small power consumption, reliability
The advantages that high.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present utility model.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (10)
1. a kind of rotary compressor, it is characterised in that electric motor has been stored in the housing of sealing and by the electric motor
The revolving compression mechanical part of driving, the compression mechanical part include：
Cylinder, the cylinder have compression chamber；
Piston, it is located in the compression chamber piston eccentric rotary；
Slide plate, the slide plate are only against on the periphery wall of the piston and moved back and forth；
Bent axle, the bent axle are suitable to drive the piston eccentric rotary；
Clutch shaft bearing, the clutch shaft bearing are located at the upper end of the cylinder；
Second bearing, the second bearing are located at the lower end of the cylinder, and the clutch shaft bearing and the second bearing are used for branch
The bent axle is held, and seals the compression chamber；
At least one in the clutch shaft bearing and the second bearing is provided with delivery valve seat, and one end of the delivery valve seat is set
The middle part for having steam vent, the delivery valve seat is provided with exhaust valve plate installation portion provided with valve seat groove, the other end of the delivery valve seat,
The exhaust valve plate installation portion is used for the afterbody for fixing exhaust valve plate, and the head of the exhaust valve plate is described suitable for opening or closing
Steam vent；
Wherein, the center line of the exhaust valve plate installation portion is by the center of the steam vent, and the exhaust valve plate installation portion
The center line of center line and the valve seat groove be not arranged on the same straight line, and in the cylinder radially, the valve seat groove
Center line be located at the exhaust valve plate installation portion center line the remote cylinder side.
2. rotary compressor according to claim 1, it is characterised in that the center line of the valve seat groove and the exhaust
The distance between center line of valve block installation portion is △ L, and the width of the valve seat groove is L, the head of the exhaust valve plate it is straight
Footpath is D, and meets 0≤△ L≤0.5* (D-L).
3. rotary compressor according to claim 1, it is characterised in that in the clutch shaft bearing and the second bearing
At least one cylindrical minimum wall thickness (MINI W.) between the exhaust valve plate installation portion be L1, and L1 >=2mm.
4. rotary compressor according to claim 1, it is characterised in that the exhaust valve plate installation portion has air bleeding valve
Piece mounting hole, the center that the center line of the exhaust valve plate installation portion passes through the exhaust valve plate mounting hole.
5. rotary compressor according to claim 4, it is characterised in that also connect including threaded connector, the screw thread
Fitting coordinates with the exhaust valve plate mounting hole, and the afterbody of the exhaust valve plate installation portion and the exhaust valve plate is fixed.
6. rotary compressor according to claim 1, it is characterised in that the exhaust valve plate installation portion is formed as being vented
Valve block fixing groove, the afterbody of the exhaust valve plate are fixed in the exhaust valve plate fixing groove by welding or riveting.
7. a kind of rotary compressor, it is characterised in that electric motor has been stored in the housing of sealing and by the electric motor
The revolving compression mechanical part of driving, the compression mechanical part include：
Multiple cylinders, each cylinder are respectively provided with compression chamber, separated between the two neighboring cylinder by dividing plate；
Multiple pistons, it is located in a corresponding compression chamber each equal eccentric rotary of piston；
Multiple slide plates, each slide plate are only against on the periphery wall of a corresponding piston and moved back and forth；
Bent axle, the bent axle are suitable to drive the piston rotation；
Clutch shaft bearing, the clutch shaft bearing are located at the upper end of the cylinder of the top；
Second bearing, the second bearing are located at the lower end of the cylinder of bottom, and the clutch shaft bearing and the second bearing are used
In the support bent axle, and seal the corresponding compression chamber；
At least one in the clutch shaft bearing and the second bearing is provided with delivery valve seat, and one end of the delivery valve seat is set
There is steam vent, the middle part of the delivery valve seat is provided with valve seat groove, the other end of the air bleeding valve is provided with exhaust valve plate installation portion, institute
The afterbody that exhaust valve plate installation portion is used to fix exhaust valve plate is stated, the head of the exhaust valve plate is suitable to open or close the row
Stomata；
Wherein, the center line of the exhaust valve plate installation portion is by the center of the steam vent, and the exhaust valve plate installation portion
The center line of center line and the valve seat groove be not arranged on the same straight line, and in the cylinder radially, the valve seat groove
Center line be located at the exhaust valve plate installation portion center line the remote cylinder side.
8. rotary compressor according to claim 7, it is characterised in that the center line of the valve seat groove and the exhaust
The distance between center line of valve block installation portion is △ L, and the width of the valve seat groove is L, the head of the exhaust valve plate it is straight
Footpath is D, and meets 0≤△ L≤0.5* (D-L).
9. rotary compressor according to claim 7, it is characterised in that in the clutch shaft bearing and the second bearing
At least one cylindrical minimum wall thickness (MINI W.) between the exhaust valve plate installation portion be L1, and L1 >=2mm.
10. a kind of refrigeration system, it is characterised in that including the rotary compressor according to any one of claim 1-6
And/or the rotary compressor according to any one of claim 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477971.4U CN206738148U (en) | 2017-04-28 | 2017-04-28 | Rotary compressor and the refrigeration system with the rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477971.4U CN206738148U (en) | 2017-04-28 | 2017-04-28 | Rotary compressor and the refrigeration system with the rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738148U true CN206738148U (en) | 2017-12-12 |
Family
ID=60562577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720477971.4U Active CN206738148U (en) | 2017-04-28 | 2017-04-28 | Rotary compressor and the refrigeration system with the rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738148U (en) |
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2017
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