CN206917845U - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
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- CN206917845U CN206917845U CN201720641125.1U CN201720641125U CN206917845U CN 206917845 U CN206917845 U CN 206917845U CN 201720641125 U CN201720641125 U CN 201720641125U CN 206917845 U CN206917845 U CN 206917845U
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- cylinder
- plate washer
- valve block
- rotary compressor
- fixed part
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Abstract
The utility model provides a kind of rotary compressor, wherein housing, electric machine assembly, compression assembly and bent axle；The compression assembly includes upper cylinder cover, the first cylinder and lower cylinder cap, first cylinder is arranged between the upper cylinder cover and the lower cylinder cap, at least one exhaust outlet is offered in the side wall of first cylinder, the outer surface of first cylinder is provided with valve block corresponding with the exhaust outlet, the corresponding exhaust outlet of the valve block covering.The utility model provides a kind of technical scheme being directly arranged on exhaust outlet on cylinder, at least one exhaust outlet is opened up in the side wall of cylinder, and set other combining structures such as valve block in exhaust ports, it is possible to reduce the processing of miscellaneous part；Intermediate plate need not be further added by, also just the position of the parts such as upper cylinder cover, electric machine assembly is avoided to move up, compared to the structure of prior art without the structure such as processing exhaust cavity on intermediate plate, the centre-height of compressor is reduced, cost is advantageously reduced and improves reliability.
Description
Technical field
The utility model is related to Compressor Technology field, more particularly to a kind of rotation directly exhaust outlet being arranged on cylinder
Rotary compressor.
Background technology
As shown in figure 1, it is a kind of structural representation of rotary compressor in the prior art.The compressor includes shell
Body, electric machine assembly 101, bent axle 102, upper cylinder cover 103, the first cylinder 1041, are disposed with from top to bottom in the housing
Two cylinders 1042 and lower cylinder cap 106, the side of first cylinder 1041 are provided with the first blade 1071 and the second blade 1072,
The upper cylinder cover 103, the first cylinder 1041, the second cylinder 1042 and lower cylinder cap 106 collectively constitute compression assembly.The bent axle
The revolving force of the electric machine assembly 101 is transferred to the compression assembly by 102.
In the course of the work, after power supply is connected, rotor therein starts relative to the stator electric machine assembly 101
Rotation, rotor banding dynamic crankshaft 102 rotates, the piston being transferred to revolving force by bent axle 102 in cylinder, and piston is in the cylinder
Moved in piston cavity, compressed gas.The gas for needing to compress enters the cylinder from default air inlet, is compressed, then
The cylinder is discharged by default exhaust outlet.
The exhaust structure of rotary compressor of the prior art directly sets DV mouths generally on cylinder, and (DV mouths refer to
It is the angular cut coordinated with exhaust outlet set on cylinder), exhaust outlet is designed on upper cylinder cover 103 and lower cylinder cap 106, upper
(this groove refers to being used for of being opened up in upper cylinder cover 103 and lower cylinder cap 106 and installs valve block this groove of cylinder cap 103 and lower cylinder cap 106
The position of baffle plate) place's installation valve block, the exhaust structure of the composition compressor such as baffle plate.The structure is current comparative maturity and applied most
More exhaust structures.But when developing big specification compressor, in order to reduce exhaust resistance, it is necessary to increase the number of exhaust outlet,
Such as two-spool compressor from two exhaust be changed into four exhausts, it is necessary to increase by one piece of intermediate plate, it is also necessary to the first intermediate plate 1051,
Processing exhaust cavity, exhaust outlet, this groove etc., not only add part on this two pieces of intermediate plates of second intermediate plate 1052, and
Both parts it is complicated, processing cost is higher, and causes on the position such as rotor of upper cylinder cover 103, electric machine assembly 101
Move so that whole compressor center moves up, unfavorable to reliability.Furthermore the thickness of intermediate plate is typically relatively small, therefore
The cavity processed thereon is also relatively small, it is possible to brings noise problem.
Utility model content
For the problems of the prior art, the purpose of this utility model is to provide a kind of rotary compressor, directly will
Exhaust outlet is arranged on cylinder, it is possible to reduce the processing of miscellaneous part, is reduced the centre-height of compressor, is advantageously reduced cost
With raising reliability.
The utility model embodiment provides a kind of rotary compressor, including：
Housing；
Electric machine assembly, it is placed in the inside of the housing；
Compression assembly, it is placed in the inside of the housing；And
Bent axle, it is connected between the electric machine assembly and the compression assembly, the bent axle is used for the electric machine assembly
Revolving force be transferred to the compression assembly；
The compression assembly includes upper cylinder cover, the first cylinder and lower cylinder cap, and first cylinder is arranged at the upper cylinder cover
Between the lower cylinder cap, at least one exhaust outlet, the appearance of first cylinder are offered in the side wall of first cylinder
Face is provided with valve block corresponding with the exhaust outlet, the corresponding exhaust outlet of the valve block covering.
Alternatively, the outer surface of first cylinder is additionally provided with the first plate washer, first plate washer and the valve block pair
Should, the first baffle includes fixed part and stop portions, and the fixed part of first plate washer passes through one first fastener
It is fixed in the side wall of first cylinder, the stop portions of first plate washer are arranged at corresponding valve block away from described the
The side of one cylinder, and one first angle is formed between the stop portions of first plate washer and the valve block.
Alternatively, the fixed part of first plate washer is set parallel to corresponding valve block, and first plate washer is consolidated
Fixed part and stop portions are directly connected to, and one second folder is formed between the fixed part of first plate washer and stop portions
Angle, first angle and the second angle sum are 180 °.
Alternatively, first fastener is rivet or bolt.
Alternatively, the outer surface of first cylinder is additionally provided with the second plate washer, second plate washer and the valve block pair
Should, second plate washer includes fixed part and stop portions, and the fixed part of second plate washer passes through one second fastener
It is fixed in the side wall of first cylinder, the stop portions of second plate washer are arranged at corresponding valve block away from described the
The side of one cylinder, and it is provided with a flexible member between the stop portions of second plate washer and corresponding valve block.
Alternatively, the stop portions of second plate washer are set parallel to corresponding valve block.
Alternatively, the fixed part of second plate washer and stop portions are parallel to each other, and the fixation of second plate washer
A coupling part is provided between part and stop portions, the coupling part is respectively perpendicular to the fixed part of second plate washer
Point and stop portions.
Alternatively, the flexible member is spring.
Alternatively, second fastener is rivet or screw.
Alternatively, it is additionally provided with the second cylinder between first cylinder and the lower cylinder cap.
Rotary compressor provided by the utility model has following advantages：
The utility model provides a kind of technical scheme being directly arranged on exhaust outlet on cylinder, in the side wall of cylinder
At least one exhaust outlet is opened up, and other combining structures such as valve block are set in exhaust ports, it is possible to reduce the processing of miscellaneous part；
Intermediate plate need not be further added by, also just avoids the portions such as upper cylinder cover, electric machine assembly without the structure such as processing exhaust cavity on intermediate plate
The position of part moves up, and compared to the structure of prior art, reduces the centre-height of compressor, advantageously reduces cost and raising
Reliability.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Sign, objects and advantages will become more apparent upon.
Fig. 1 is the structural representation of the rotary compressor of an embodiment in the prior art；
Fig. 2 is the top view of the cylinder with cylinder exhaust structure of the embodiment of the utility model one；
Fig. 3 is the top view of the cylinder with cylinder exhaust structure of another embodiment of the utility model；
Fig. 4 and Fig. 5 is the structural representation at two visual angles of the cylinder exhaust structure of another embodiment of the utility model respectively
Figure.
Reference：
Prior art：
101 electric machine assemblies
102 bent axles
103 upper cylinder covers
1041 first cylinders
1051 first intermediate plates
1052 second intermediate plates
1042 second cylinders
106 times cylinder caps
1071 first blades
1072 second blades
The utility model：
11 first cylinders
12 first blade grooves
13 exhaust outlets
14 valve blocks
15 first baffles
16 first fasteners
25 second plate washers
26 second fasteners
27 flexible members
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, these embodiments are provided so that this practicality is new
The design of example embodiment fully and completely, and will be comprehensively communicated to those skilled in the art by type.It is identical in figure
Reference represent same or similar structure, thus repetition thereof will be omitted.
As shown in Fig. 2 the utility model embodiment provides a kind of rotary compressor, the compressor includes housing, electricity
Thermomechanical components, compression assembly and bent axle, the electric machine assembly, compression assembly and bent axle may be contained within the inside of the housing, described
Bent axle is connected between the electric machine assembly and the compression assembly, and the bent axle is used for the revolving force of the electric machine assembly
It is transferred to the compression assembly；The compression assembly includes upper cylinder cover, the first cylinder and lower cylinder cap, and first cylinder is arranged at
Between the upper cylinder cover and the lower cylinder cap, at least one exhaust outlet is offered in the side wall of first cylinder, described first
The outer surface of cylinder is provided with valve block corresponding with the exhaust outlet, the corresponding exhaust outlet of the valve block covering.The exhaust
The quantity of mouth can be arranged as required to, and the side wall of cylinder has larger space, and it is more convenient to process exhaust outlet.
In the course of the work, after power supply is connected, rotor therein starts to revolve relative to the stator electric machine assembly
Turn, the rotation of rotor banding dynamic crankshaft, the piston being transferred to revolving force by bent axle in cylinder, the piston cavity of piston in the cylinder
Interior motion, compressed gas.The gas for needing to compress enters the cylinder from default air inlet, is compressed, then by default
Exhaust outlet discharge the cylinder.
The utility model sets other groups such as valve block by the way that exhaust outlet will be arranged on to the side wall of cylinder, and in exhaust ports
Close structure, it is possible to reduce the processing of miscellaneous part, it is simple in construction, using convenient.
As shown in Fig. 2 the top view of the cylinder with cylinder exhaust structure for an embodiment of the present utility model.Wherein
The plan structure of first cylinder 11 is shown, the side of first cylinder is provided with blade groove 12, for placing first
Blade.The outer surface of first cylinder 11 is additionally provided with the first plate washer 15, and first plate washer 15 is corresponding with the valve block 14,
The first baffle 15 includes fixed part and stop portions, and the fixed part of first plate washer 15 passes through one first fastener
16 are fixed in the side wall of first cylinder 11, and the stop portions of first plate washer 15 are arranged at corresponding valve block 14 and carried on the back
One first folder is formed from the side of first cylinder 11, and between the stop portions of first plate washer 15 and the valve block 14
Angle.
It can be seen that first plate washer 15 is the plate of one piece of entirety, one end is fixed on first cylinder 11
Side wall on, the other end is arranged on the top of valve block 14, and the other end is upturned relative to the valve block 14, so as to valve
Piece 14 plays certain barrier effect.When exhaust port pressure is more than preset value, valve block 14 can be jacked up upwards, open exhaust
Mouthful, degassing function is realized, but the barrier effect of the stop portions due to the first plate washer 15, the height that valve block 14 jacks up have necessarily
Limitation, and when exhaust port pressure is less than preset value, valve block 14 can come back to original position, close exhaust outlet, stop exhaust.
Further, the fixed part of first plate washer 15 is set parallel to corresponding valve block 14, described first grade
The fixed part and stop portions of plate 15 are directly connected to, and form one between the fixed part of first plate washer and stop portions
Second angle, first angle and the second angle sum are 180 °.It is only the one of the structure of the first plate washer 15 herein
Kind preferred embodiment, in actual applications, the fixed part of first plate washer 15 can also be provided with other bending angles
Degree, such as further press close to the side wall of first cylinder 11 and bend downwards, belong to the scope of protection of the utility model
Within, without being limited with structure illustrated herein.
First fastener is optionally rivet or bolt.In actual applications, other are beneficial to the tight of installation and removal
Firmware can also use, without being limited with listed herewith.
As shown in figure 3, the top view of the cylinder with cylinder exhaust structure for another embodiment of the present utility model.Its
In show the plan structure of first cylinder 11, the side of first cylinder is provided with blade groove 12, for placing the
One blade.The embodiment employs the baffle arrangement different from a upper embodiment.The outer surface of first cylinder 11 is also set up
There is the second plate washer 25, second plate washer 25 is corresponding with the valve block 14, and second plate washer 25 includes fixed part and stop
Part, the fixed part of second plate washer 25 are fixed on by one second fastener 26 in the side wall of first cylinder 11,
The stop portions of second plate washer 25 are arranged at the side that corresponding valve block 14 deviates from first cylinder 11, and described the
A flexible member 27 is provided between the stop portions of two plate washers 25 and corresponding valve block 14.
It can be seen that the stop portions of second plate washer 25 can be set parallel to the valve block 14, or with
The valve block is into certain less angle, the setting of the flexible member 27, it is ensured that valve block 14 is relative to the second gear
The stop portions of plate 25 have certain mobility, and the stop part in the valve block 14 relative to second plate washer 25
Divide after moving up, there is certain screen resilience.When exhaust port pressure is not enough to overcome the screen resilience of flexible member 27, valve block
14 can drop back into original position, close exhaust outlet, stop exhaust, and when exhaust port pressure is more than the screen resilience of flexible member 27, valve block
14 can be jacked up, and are opened exhaust outlet, are easy to be vented.Using this kind of structure, the position of valve block 14 can be better ensured that, is realized
Alternately open and close the effect of exhaust outlet.The flexible member is chosen as spring, and in actual applications, other can realize this
Stretching and the flexible member of resilience function, such as elasticity preferably rubber components etc., may apply in this structure.
As shown in Figure 4 and Figure 5, for using the structural representation of second plate washer at two kinds of visual angles.In this embodiment,
The stop portions of second plate washer 25 are optionally parallel to corresponding valve block 14 and set.And second plate washer 25 is consolidated
Fixed part and stop portions are optional is parallel to each other, and it is provided with one between the fixed part of second plate washer 25 and stop portions
Coupling part, the coupling part are respectively perpendicular to the fixed part and stop portions of second plate washer 25.I.e. in Fig. 4,
The fixed part and stop portions of second plate washer 25 are horizontally disposed, and the coupling part of second plate washer 25 is vertically set
Put, and the both ends of the coupling part of second plate washer 25 connect the fixed part and stop part of second plate washer 25 respectively
Point, two 90 ° of angles are formed between three.
Second fastener is chosen as rivet or screw.In actual applications, other fastenings for being beneficial to installation and removal
Part can also use, without being limited with listed herewith.
The utility model gives the exhaust outlet structure of two kinds of specific rotary compressors, and which employs independently of valve block
Baffle plate and baffle plate fastener, baffle plate is fixed on cylinder by the fixed part of baffle plate, passes through the stop portions pair of baffle plate
Valve block plays stop protective effect.The structure installation and removal of both baffle plates are very simple, and later maintenance is very square
Just.In actual applications, both baffle plates can be separated to use, can also combine the structure of both baffle plates makes
With, and be not limited to only with one kind therein, alternatively, it is also possible to use other kinds of baffle arrangement, it is new to belong to this practicality
Within the protection domain of type.
Further, it is additionally provided with the second cylinder between first cylinder 11 and the lower cylinder cap.That is the utility model
Exhaust structure can be applied not only to the compressor of single cylinder, the compressor of double cylinders can also be applied to, without being further added by
Intermediate plate, also just without the structure such as processing exhaust cavity on intermediate plate, on the position for avoiding the parts such as upper cylinder cover, electric machine assembly
Move, compared to the structure of prior art, reduce the centre-height of compressor.In actual applications, the exhaust structure can be with
Applied to other kinds of compressor, without being limited with listed herewith.
Rotary compressor provided by the utility model has following advantages：
The utility model provides a kind of technical scheme being directly arranged on exhaust outlet on cylinder, in the side wall of cylinder
At least one exhaust outlet is opened up, and other combining structures such as valve block are set in exhaust ports, it is possible to reduce the processing of miscellaneous part；
Intermediate plate need not be further added by, also just avoids the portions such as upper cylinder cover, electric machine assembly without the structure such as processing exhaust cavity on intermediate plate
The position of part moves up, and compared to the structure of prior art, reduces the centre-height of compressor, advantageously reduces cost and raising
Reliability.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (10)
- A kind of 1. rotary compressor, it is characterised in that includingHousing；Electric machine assembly, it is placed in the inside of the housing；Compression assembly, it is placed in the inside of the housing；AndBent axle, it is connected between the electric machine assembly and the compression assembly, the bent axle is used for the rotation of the electric machine assembly Turn power and be transferred to the compression assembly；The compression assembly includes upper cylinder cover, the first cylinder and lower cylinder cap, and first cylinder is arranged at the upper cylinder cover and institute Between stating lower cylinder cap, at least one exhaust outlet is offered in the side wall of first cylinder, the outer surface of first cylinder is set It is equipped with valve block corresponding with the exhaust outlet, the corresponding exhaust outlet of the valve block covering.
- 2. rotary compressor according to claim 1, it is characterised in that the outer surface of first cylinder is additionally provided with First plate washer, first plate washer is corresponding with the valve block, and first plate washer includes fixed part and stop portions, and described The fixed part of one plate washer is fixed on by one first fastener in the side wall of first cylinder, the stop of first plate washer Part is arranged at the side that corresponding valve block deviates from first cylinder, and the stop portions of first plate washer and the valve One first angle is formed between piece.
- 3. rotary compressor according to claim 2, it is characterised in that the fixed part of first plate washer parallel to Corresponding valve block is set, the fixed part and stop portions of first plate washer are directly connected to, and first plate washer is consolidated One second angle is formed between fixed part and stop portions, first angle and the second angle sum are 180 °.
- 4. rotary compressor according to claim 2, it is characterised in that first fastener is rivet or bolt.
- 5. rotary compressor according to claim 1, it is characterised in that the outer surface of first cylinder is additionally provided with Second plate washer, second plate washer is corresponding with the valve block, and second plate washer includes fixed part and stop portions, and described The fixed part of two plate washers is fixed on by one second fastener in the side wall of first cylinder, the stop of second plate washer Part is arranged at the side that corresponding valve block deviates from first cylinder, and the stop portions of second plate washer with it is corresponding Valve block between be provided with a flexible member.
- 6. rotary compressor according to claim 5, it is characterised in that the stop portions of second plate washer parallel to Corresponding valve block is set.
- 7. rotary compressor according to claim 5, it is characterised in that the fixed part of second plate washer and stop Part is parallel to each other, and a coupling part, the connection are provided between the fixed part of second plate washer and stop portions Part is respectively perpendicular to the fixed part and stop portions of second plate washer.
- 8. rotary compressor according to claim 5, it is characterised in that the flexible member is spring.
- 9. rotary compressor according to claim 5, it is characterised in that second fastener is rivet or screw.
- 10. rotary compressor according to claim 1, it is characterised in that first cylinder and the lower cylinder cap it Between be additionally provided with the second cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720641125.1U CN206917845U (en) | 2017-06-05 | 2017-06-05 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720641125.1U CN206917845U (en) | 2017-06-05 | 2017-06-05 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206917845U true CN206917845U (en) | 2018-01-23 |
Family
ID=61314142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720641125.1U Active CN206917845U (en) | 2017-06-05 | 2017-06-05 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206917845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720320A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Refrigerating device |
-
2017
- 2017-06-05 CN CN201720641125.1U patent/CN206917845U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720320A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Refrigerating device |
| CN111720320B (en) * | 2020-06-29 | 2022-03-01 | 安徽美芝精密制造有限公司 | Refrigerating device |
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