CN107401511A - Pump body structure and there is its compressor - Google Patents
Pump body structure and there is its compressor Download PDFInfo
- Publication number
- CN107401511A CN107401511A CN201710678386.5A CN201710678386A CN107401511A CN 107401511 A CN107401511 A CN 107401511A CN 201710678386 A CN201710678386 A CN 201710678386A CN 107401511 A CN107401511 A CN 107401511A
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- China
- Prior art keywords
- flange
- compression chamber
- air supply
- supply passage
- body structure
- 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.)
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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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- 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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/122—Arrangements for supercharging the working space
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- 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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
- F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compressor (AREA)
Abstract
The invention provides a kind of pump body structure and there is its compressor.Pump body structure includes：Cylinder, there is working chamber and air intake passage, working chamber includes suction muffler and compression chamber, and air intake passage is connected with suction muffler；Flange, flange are connect with cylinders, and the air supply passage being connected with compression chamber is offered on flange, and air supply passage is independently arranged with air intake passage；Shutter device, shutter device are arranged in flange, and shutter device, which has, to be opened air supply passage so that refrigerant enters in compression chamber the open position for carrying out tonifying Qi, and shutter device has and blocks air supply passage to prevent the closed position of the refrigerant return in compression chamber.So setting effectively prevents in refrigerant return to the air supply passage in compression chamber.Because the air intake passage of air supply passage and cylinder is mutually independent so that refrigerant can be only positioned in compression chamber and will not be back in air intake passage after being opened and closed component backstop, be effectively improved the heating performance of compressor.
Description
Technical field
The present invention relates to compressor apparatus technical field, in particular to a kind of pump body structure and has its compression
Machine.
Background technology
In the prior art, tonifying Qi is carried out to the compression process of compressor, now compressor carries jet, referred to as quasi- two level
Compressed format.The gas supplementing opening of the roller compressor of the quasi- two-stage compression of in general is opened near exhaust outlet, so can guarantee that air compensation
It is as big as possible.So setting causes gas supplementing opening and air entry to have one time ganged up, and during this period of time, is sprayed from gas supplementing opening
Middle pressure refrigerant out will be injected into suction muffler, so as to be back in air intake duct so that the volumetric efficiency of compressor has necessarily
The reduction of amplitude.In the prior art in order to reduce refrigerant return, typically by reducing the area of jet, cause to spray refrigerant
Measure it is small, cause compressor heating performance lifted amplitude it is small the problem of.
The content of the invention
It is a primary object of the present invention to provide a kind of pump body structure and there is its compressor, to solve in the prior art
The problem of compressor easily flows back.
To achieve these goals, according to an aspect of the invention, there is provided a kind of pump body structure, including：Cylinder, tool
There are working chamber and air intake passage, working chamber includes suction muffler and compression chamber, and air intake passage is connected with suction muffler；Flange, flange
Connect with cylinders, the air supply passage being connected with compression chamber is offered on flange, air supply passage is independently arranged with air intake passage；
Shutter device, shutter device are arranged in flange, and shutter device, which has, opens air supply passage so that refrigerant enters in compression chamber
The open position of tonifying Qi is carried out, and shutter device has air supply passage closure to prevent the pass of the refrigerant return in compression chamber
Closed position.
Further, pump body structure also includes：Dividing plate, the first side of dividing plate connect with cylinders and with the madial wall of cylinder
Enclose and be set as working chamber, the intercommunicating pore being connected with compression chamber is offered on dividing plate；Appearance is provided with the end face of the first end of flange
Receive recess, the first end of flange second side relative with the first side of dividing plate is connected, and dividing plate, which is enclosed with accommodating recess, is set as tonifying Qi
Cavity, shutter device are arranged in tonifying Qi cavity, and air intake passage and intercommunicating pore are connected with tonifying Qi cavity, and refrigerant passes sequentially through
Air intake passage, tonifying Qi cavity, in intercommunicating pore to compression chamber.
Further, when shutter device is located at open position, air supply passage is connected by intercommunicating pore with compression chamber, when
When shutter device is located at closed position, shutter device is by the passage plugging between air supply passage and intercommunicating pore.
Further, shutter device includes：Valve block, valve block, which is arranged at, to be accommodated in recess, and valve block, which has, opens air supply passage
Open position and close air supply passage closed position.
Further, shutter device also includes：Valve block baffle plate, valve block baffle plate setting is in receiving recess and positioned at valve block
Outside, the side opening towards intercommunicating pore is offered on valve block baffle plate；Attaching clamp, it is connected with one end of valve block baffle plate, fixation is convex
Fixing hole is offered on ear, resigning breach is formed between the side of the remote receiving recess of attaching clamp and valve block baffle plate.
Further, shutter device also includes：Fill block, fill block are connected and are located at resigning breach with valve block baffle plate.
Further, there is working chamber working region U, working region U to include intake region A and the compression that suction muffler has
The constricted zone B that chamber has, the connected entrance being connected with compression chamber of intercommunicating pore are opened in port region C, wherein, U=A ∪ B,
Further, flange also includes：Flange air intake passage, flange air intake passage are opened on flange, and flange air-breathing is led to
Road is connected with air intake passage, and flange air intake passage is independently arranged with air supply passage.
According to another aspect of the present invention, there is provided a kind of compressor, including pump body structure, pump body structure are above-mentioned pump
Body structure.
Further, compressor includes：Air inlet knockout, air inlet knockout are connected by air intake passage with suction muffler；
Tonifying Qi knockout, tonifying Qi knockout are connected by air supply passage with compression chamber.
Apply the technical scheme of the present invention, the air supply passage mutually independent with air intake passage has been opened up on flange, and in method
Shutter device is set in blue so that when suction muffler is in breathing process, because the air pressure of the refrigerant in air supply passage is more than compression
The air pressure of intracavitary so that the refrigerant in air supply passage is washed shutter device open and to carrying out tonifying Qi in compression chamber, now opening and closing group
Part is located at open position.Because the pressure in compression chamber gradually increases, when the pressure in compression chamber is more than cold in air supply passage
During the pressure of matchmaker, positioned at compression chamber side refrigerant by shutter device offset in closed position, effectively prevent in compression chamber
Refrigerant return to air supply passage in.Again because the air intake passage of air supply passage and cylinder is mutually independent so that be opened and closed component and stop
Refrigerant can be only positioned in compression chamber and will not be back in air intake passage after gear, i.e., in the process without the appearance for changing compression chamber
Product efficiency, it is effectively improved the heating performance of compressor.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is shown to be shown according to the detonation configuration of embodiment of the flange of pump body structure of the present invention, dividing plate, shutter device
It is intended to；
Fig. 2 shows the structural representation of the embodiment of the pump body structure according to the present invention；
Fig. 3 shows the structural representation for the embodiment assembled according to the flange of the pump body structure of the present invention with dividing plate；
Fig. 4 shows the structural representation at another visual angle of the pump body structure according to the present invention；
The structural representation of intake region when Fig. 5 shows cylinder operation in Fig. 4；
The structural representation of constricted zone when Fig. 6 shows cylinder operation in Fig. 4；
Fig. 7 shows the structural representation for opening up region that the port of the intercommunicating pore of Fig. 4 median septums opens up；
What Fig. 8 showed that the port of the intercommunicating pore of Fig. 4 median septums opens up open up region and roller inner circle and it is cylindrical between
Structural representation；
Fig. 9 shows the structural representation of the compressor according to the present invention.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
1st, lower cover；2nd, refrigeration oil；3rd, roller；4th, bent axle；5th, rotor assembly；6th, stator；7th, housing unit；8th, upper lid group
Part；9th, upper muffler；
10th, cylinder；11st, air intake passage；12nd, upper flange component；13rd, slide plate；
20th, flange；21st, air supply passage；
30th, shutter device；31st, valve block；32nd, valve block baffle plate；321st, side opening；33rd, attaching clamp；34th, resigning breach；35、
Fill block；36th, rivet；
40th, dividing plate；41st, intercommunicating pore；
50th, tonifying Qi cavity；
60th, air inlet knockout；
70th, tonifying Qi knockout.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that term " first ", " second " in the description and claims of this application and accompanying drawing etc.
It is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that the art so used
Language can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except illustrating herein
Or the order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those steps or unit for clearly listing, but may include not list clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be appreciated that thesing embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make identical device is presented with like reference characters, thus they are retouched by omitting
State.
With reference to shown in Fig. 1 to Fig. 9, according to an embodiment of the invention, there is provided a kind of pump body structure.
Specifically, as shown in Figure 1 to Figure 3, the pump body structure includes cylinder 10, flange 20 and shutter device 30.Cylinder 10
With working chamber and air intake passage 11, working chamber includes suction muffler and compression chamber.Air intake passage 11 is connected with suction muffler.Flange
20 are connected with cylinder 10, and the air supply passage 21 being connected with compression chamber is offered on flange 20.Air supply passage 21 leads to air-breathing
Road 11 is independently arranged.Shutter device 30 is arranged in flange 20, and shutter device 30, which has, opens air supply passage 21 so that refrigerant
Into in compression chamber carry out tonifying Qi open position, and shutter device 30 have air supply passage 21 is blocked to prevent compression chamber
In refrigerant return closed position.
In the present embodiment, the air supply passage 21 with the phase independence of air intake passage 11 has been opened up on flange, and in flange
Shutter device 30 is set so that when suction muffler is in breathing process, because the air pressure of the refrigerant in air supply passage is more than compression chamber
Interior air pressure so that the refrigerant in air supply passage is washed shutter device 30 open and to carrying out tonifying Qi in compression chamber, now opening and closing group
Part is located at open position.Because the pressure in compression chamber gradually increases, when the pressure in compression chamber is more than cold in air supply passage
During the pressure of matchmaker, positioned at compression chamber side refrigerant by shutter device offset in closed position, effectively prevent in compression chamber
Refrigerant return to air supply passage in.Again because the phase of air intake passage 11 of air supply passage and cylinder is independent so that be opened and closed component
Refrigerant can be only positioned in compression chamber and will not be back in air intake passage after backstop, i.e., in the process without change compression chamber
Volumetric efficiency, it is effectively improved the heating performance of compressor.
Wherein, pump body structure also includes dividing plate 40.First side of dividing plate 40 be connected with cylinder 10 and with cylinder 10
Side wall, which is enclosed, is set as working chamber, and the intercommunicating pore 41 being connected with compression chamber is offered on dividing plate 40.The end face of the first end of flange 20
On be provided with receiving recess, the first end of flange 20 second side relative with the first side of dividing plate 40 is connected.Dividing plate 40 is with holding
Recess of receiving, which encloses, is set as tonifying Qi cavity 50, and shutter device 30 is arranged in tonifying Qi cavity 50, air intake passage 11 and intercommunicating pore 41 with
Tonifying Qi cavity 50 is connected, and refrigerant passes sequentially through air intake passage 11, tonifying Qi cavity 50, mended in intercommunicating pore 41 to compression chamber
Gas.The stability of the setting of shutter device 30 can be increased by so setting, while is improved shutter device 30 and switched from open position
To the reliability of closed position.
Specifically, when shutter device 30 is located at open position, air supply passage 21 is connected by intercommunicating pore 41 with compression chamber
Logical, when shutter device 30 is located at closed position, shutter device 30 is by the passage plugging between air supply passage 21 and intercommunicating pore 41.
So set the refrigerant that can be effectively prevent into the tonifying Qi refrigerant in compression chamber or be sucked at air inlet compressed
Enter afterwards in refrigerant return to the air supply passage in compression chamber, be effectively improved the tonifying Qi performance of the pump assembly.
Specifically, shutter device 30 includes valve block 31, valve block baffle plate 32 and attaching clamp 33.It is recessed that valve block 31 is arranged at receiving
In portion, valve block 31 has the open position for opening air supply passage 21 and the closed position for closing air supply passage 21.Valve block baffle plate 32
It is arranged at the side opening 321 for accommodating in recess and being offered on the outside of valve block 31, valve block baffle plate 32 towards intercommunicating pore 41.Gu
The one end for determining lug 33 with valve block baffle plate 32 is connected, and fixing hole, the remote appearance of attaching clamp 33 are offered on attaching clamp 33
Receive recess side and valve block baffle plate 32 between formed resigning breach 34.So set it is convenient by rivet 36 by fixing hole by valve
Piece baffle plate 32 and valve block 31 are fixed.
In order to prevent the resigning breach 34 formed between valve block baffle plate 32 and attaching clamp 33 from adding the appearance of tonifying Qi cavity
Product, fill block 35 is set to reduce the volume of tonifying Qi cavity at resigning breach 34.I.e. in the present embodiment, shutter device 30 also wraps
Include fill block 35.Fill block 35 is connected with valve block baffle plate 32 and at resigning breach 34.Preferably, fill block 35 and resigning breach 34
Interference fit.
As shown in Figures 5 to 7, working chamber has working region U, and working region U is the outer peripheral face and cylinder 10 of roller 3
The annular space formed between inner peripheral surface, as intake region A and constricted zone B union.Working region U has including suction muffler
The constricted zone B (in Fig. 6 shown in black region) that some intake region A (in Fig. 5 shown in black region) and compression chamber have, even
The connected entrance being connected with compression chamber of through hole 41 is opened in port region C (in Fig. 7 shown in black region), wherein, U=A ∪
B,Being connected with suction muffler for the intercommunicating pore 41 that can prevent from being opened on dividing plate is so set.It is worth
It is noted that intake region A herein be cylinder in a cycle that air-breathing compress, working chamber is interior since the air-breathing in
Until the region terminated of air-breathing, constricted zone B is in cylinder in a cycle that air-breathing compress, and working chamber is interior from starting to occur
Refrigerant is compressed until compressing the region terminated to refrigerant.Specifically, as shown in figure 8, due to traditional end face injection structure, mend
Gas port connects with suction muffler in cylinder, and tonifying Qi enters suction muffler, part refrigerant return can be caused to air entry, so as to reduce compression
Machine volumetric efficiency, inspiratory capacity is less, and it is small that tonifying Qi lifts amplitude to refrigerating capacity.So to avoid flowing back, gas supplementing opening needs full
Foot：Gas supplementing opening can not all connect that (region that the curve d in Fig. 8 is surrounded is rotor inner circle, curve in any angle with rotor inner circle
It is rotor outer circle region that b, which encloses the region being set as), gas supplementing opening (Ji Tu5Zhong air-breathings area can not be all connected with suction muffler in any angle
Domain A), gas supplementing opening connects (i.e. constricted zone B in Fig. 6) in a certain angular range with compression chamber.Meet above three bar simultaneously
Part, gas supplementing opening position can avoid end face tonifying Qi backflow as shown in the C regions in Fig. 7 and Fig. 8.Wherein, roller inner circle is with cylinder
Center is the center of circle, and the radius of roller is the circle of radius, and a points in Fig. 8 go to position during air intake passage end for roller.
As shown in figure 9, according to another embodiment of the application, flange air intake passage can be set on flange 20.Method
Blue air intake passage is connected with air intake passage 11, and flange air intake passage is independently arranged with air supply passage 21.So setting to keep away
Exempt from the situation that air supply passage is connected with flange air intake passage, further increasing the tonifying Qi performance of the pump body structure, improve
The compression performance of the pump body structure.Preferably, the flange can be lower flange.
Pump body structure in above-described embodiment can be also used for air-conditioner device technical field, i.e., according to the another of the present invention
A kind of aspect, there is provided compressor.The compressor includes pump body structure, and pump body structure is the pump body structure in above-described embodiment.
The pump body structure includes cylinder 10, flange 20 and shutter device 30.Cylinder 10 has working chamber and air intake passage 11, working chamber bag
Include suction muffler and compression chamber.Air intake passage 11 is connected with suction muffler.Flange 20 is connected with cylinder 10, is offered on flange 20
The air supply passage 21 being connected with compression chamber.Air supply passage 21 is independently arranged with air intake passage 11.Shutter device 30 is arranged at method
In orchid 20, shutter device 30, which has, opens air supply passage 21 open position so that refrigerant enters progress tonifying Qi in compression chamber,
And shutter device 30 have air supply passage 21 is blocked to prevent the closed position of the refrigerant return in compression chamber.
In the present embodiment, the air supply passage 21 with the phase independence of air intake passage 11 has been opened up on flange, and in flange
Shutter device 30 is set so that when suction muffler is in breathing process, because the air pressure of the refrigerant in air supply passage is more than compression chamber
Interior air pressure so that the refrigerant in air supply passage is washed shutter device 30 open and to carrying out tonifying Qi in compression chamber, now opening and closing group
Part is located at open position.Because the pressure in compression chamber gradually increases, when the pressure in compression chamber is more than cold in air supply passage
During the pressure of matchmaker, positioned at compression chamber side refrigerant by shutter device offset in closed position, effectively prevent in compression chamber
Refrigerant return to air supply passage in.Again because the phase of air intake passage 11 of air supply passage and cylinder is independent so that be opened and closed component
Refrigerant can be only positioned in compression chamber and will not be back in air intake passage after backstop, i.e., in the process without change compression chamber
Volumetric efficiency, it is effectively improved the heating performance of compressor.
Specifically, compressor includes air inlet knockout 60 and tonifying Qi knockout 70.Air inlet knockout 60 passes through air intake passage
11 are connected with suction muffler.Tonifying Qi knockout 70 is connected by air supply passage 21 with compression chamber.So setting can be right respectively
Compressor realizes supply and tonifying Qi, further increasing the heating efficiency of compressor.
In the present embodiment, using the pump body structure, the unidirectional tonifying Qi of compression chamber to pump body structure is realized.Gas injection
It can only be entered by lower flange component and dividing plate in cylinder, and cannot pass through the backflow of lower flange component.Gas injection enters cylinder
Interior, the gas supplementing opening of air supply passage does not connect with cylinder suction muffler, is only connected with the compression chamber of cylinder, gas backstreaming will not occur and arrive
Suction hole.Simultaneously as without worrying gas backstreaming, tonifying Qi open area can expand, and increase air compensation, can effectively solve to compress
Machine excessive discharge temperature and the problems such as heating capacity deficiency under worst cold case, significantly lifts compression mechanism hot property.
Gas enters cylinder compression chamber, it is necessary to first pass through lower flange component and dividing plate, realizes unidirectional tonifying Qi.Air supply passage
Gas supplementing opening do not connected with the suction muffler of cylinder, be avoided that the gas backstreaming that quasi- two-stage compression occurs in the past, gas supplementing opening is less
Problem.The compressor includes cylinder 10, lower cover 1, bent axle 4, roller 3, rotor assembly 5, the stator 6, (enclosure interior of housing unit 7
With refrigeration oil 2), cover assembly 8, upper muffler 9, slide plate 13, dividing plate 40, upper flange component 12, its median septum has intercommunicating pore,
Lower flange component is made up of lower flange, valve block baffle plate, valve block, rivet, fill block, and dividing plate and lower flange component form unidirectional tonifying Qi knot
Structure, realize unidirectional tonifying Qi.
Gas injection washes valve block open from lower flange air supply passage into tonifying Qi intracavitary body, by valve block baffle plate side opening to every
At plate intercommunicating pore, finally enter in the compression chamber of cylinder.Conversely, cylinder interior gas, when the intercommunicating pore for passing through dividing plate enters laxative remedy
In blue tonifying Qi cavity, valve block closes, and gas cannot be introduced into air supply passage.So as to gas can only one-way flow, avoid cylinder
Interior gas is spilt out, and reduces compressor volumetric efficiency, reduces the situation of refrigerating capacity.The volume of its middle valve plate baffle plate is as big as possible,
To reduce the gas of the tonifying Qi cavity of lower flange circulation volume, that is, reduce the cavity volume of installation valve block baffle plate, so as to reduce the back of the body
Chamber is pressed, back pressure cavity is the smaller the better, and back pressure cavity is smaller, and tonifying Qi backflow is smaller, so as to improve refrigerating capacity, reduces power consumption.
As long as shown in fig. 7, the connected entrance of the intercommunicating pore of dividing plate to be opened in the C regions of black, roller is in any angle
Under, the connected entrance does not connect with suction muffler, is only connected with the compression chamber of cylinder, gas backstreaming will not occur to the feelings of suction hole
Condition.Simultaneously as without worrying gas backstreaming, the aperture area of connected entrance can be solved effectively with sufficiently large, to increase air compensation
Certainly compressor excessive discharge temperature and the problems such as heating capacity deficiency under worst cold case, significantly lifts compression mechanism hot property.
Than that described above, it is also necessary to which explanation is " one embodiment ", " another implementation spoken of in this manual
Example ", " embodiment " etc., refer to that the specific features, structure or the feature that combine embodiment description are included in the application summary
Property description at least one embodiment in.It is not necessarily to refer to same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that when describing a specific features, structure or feature with reference to any embodiment, what is advocated is knot
Other embodiment is closed to realize that this feature, structure or feature are also fallen within the scope of the present invention.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. pump body structure, it is characterised in that including：Cylinder (10), there is working chamber and air intake passage (11), the working chamber includes suction muffler and compression chamber, and the air-breathing is led to Road (11) is connected with the suction muffler；Flange (20), the flange (20) are connected with the cylinder (10), are offered and the compression on the flange (20) The air supply passage (21) that chamber is connected, the air supply passage (21) are independently arranged with the air intake passage (11)；Shutter device (30), the shutter device (30) are arranged in the flange (20), and the shutter device (30) has will The air supply passage (21) is opened so that refrigerant enters in the compression chamber open position for carrying out tonifying Qi, and the opening and closing group Part (30), which has, blocks the air supply passage (21) to prevent the closed position of the refrigerant return in the compression chamber.
- 2. pump body structure according to claim 1, it is characterised in that the pump body structure also includes：Dividing plate (40), the first side of the dividing plate (40) be connected with the cylinder (10) and with the madial wall of the cylinder (10) Enclose and be set as the working chamber, the intercommunicating pore (41) being connected with the compression chamber is offered on the dividing plate (40)；Receiving recess, first end and the dividing plate of the flange (20) are provided with the end face of the first end of the flange (20) (40) the second relative side of first side is connected, and the dividing plate (40) is enclosed with the receiving recess is set as tonifying Qi cavity (50), the shutter device (30) is arranged in the tonifying Qi cavity (50), the air intake passage (11) and the intercommunicating pore (41) be connected with the tonifying Qi cavity (50), refrigerant pass sequentially through the air intake passage (11), the tonifying Qi cavity (50), In the intercommunicating pore (41) to the compression chamber.
- 3. pump body structure according to claim 2, it is characterised in that when the shutter device (30) is located at the open position When putting, the air supply passage (21) is connected by the intercommunicating pore (41) with the compression chamber, when the shutter device (30) During positioned at the closed position, the shutter device (30) will be logical between the air supply passage (21) and the intercommunicating pore (41) Road blocks.
- 4. pump body structure according to claim 2, it is characterised in that the shutter device (30) includes：Valve block (31), the valve block (31) are arranged in the receiving recess, and there is the valve block (31) the opening tonifying Qi to lead to The open position in road (21) and the closed position for closing the air supply passage (21).
- 5. pump body structure according to claim 4, it is characterised in that the shutter device (30) also includes：Valve block baffle plate (32), the valve block baffle plate (32) are arranged in the receiving recess and positioned at the outer of the valve block (31) Side, the side opening towards intercommunicating pore (41) is offered on the valve block baffle plate (32)；Attaching clamp (33), it is connected with one end of the valve block baffle plate (32), fixation is offered on the attaching clamp (33) Hole, resigning breach is formed between the side of the remote receiving recess of the attaching clamp (33) and the valve block baffle plate (32) (34)。
- 6. pump body structure according to claim 5, it is characterised in that the shutter device (30) also includes：Fill block (35), the fill block (35) are connected with the valve block baffle plate (32) and are located at the resigning breach (34) place.
- 7. pump body structure according to claim 2, it is characterised in that the working chamber has working region U, the work Region U include the suction muffler with intake region A and the compression chamber with constricted zone B, the intercommunicating pore (41) The connected entrance being connected with the compression chamber be opened in port region C, wherein, U=A ∪ B,
- 8. pump body structure according to claim 1, it is characterised in that the flange (20) also includes：Flange air intake passage, the flange air intake passage are opened on the flange (20), the flange air intake passage with it is described Air intake passage (11) is connected, and the flange air intake passage is independently arranged with the air supply passage (21).
- 9. a kind of compressor, including pump body structure, it is characterised in that the pump body structure is any one of claim 1 to 8 institute The pump body structure stated.
- 10. compressor according to claim 9, it is characterised in that the compressor includes：Air inlet knockout (60), the air inlet knockout (60) are connected by the air intake passage (11) with the suction muffler；Tonifying Qi knockout (70), the tonifying Qi knockout (70) are connected by the air supply passage (21) with the compression chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710678386.5A CN107401511A (en) | 2017-08-09 | 2017-08-09 | Pump body structure and there is its compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710678386.5A CN107401511A (en) | 2017-08-09 | 2017-08-09 | Pump body structure and there is its compressor |
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| CN107401511A true CN107401511A (en) | 2017-11-28 |
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| CN201710678386.5A Pending CN107401511A (en) | 2017-08-09 | 2017-08-09 | Pump body structure and there is its compressor |
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