CN206625975U - Pump body structure and there is its compressor - Google Patents
Pump body structure and there is its compressor Download PDFInfo
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- CN206625975U CN206625975U CN201720251646.6U CN201720251646U CN206625975U CN 206625975 U CN206625975 U CN 206625975U CN 201720251646 U CN201720251646 U CN 201720251646U CN 206625975 U CN206625975 U CN 206625975U
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- valve element
- accommodating chamber
- cylinder
- pump body
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Abstract
The utility model provides a kind of pump assembly and has its compressor.Pump body structure includes cylinder, and cylinder includes the first cylinder and the second cylinder;Conducting portion, conducting portion include high pressure gas passage and low pressure air suction passage, and high pressure gas passage and low pressure air suction passage lead to the first cylinders;Control valve, control valve has communicating passage, control valve is selectively connected by communicating passage with high pressure gas passage or low pressure air suction passage, when communicating passage is connected with high pressure gas passage, first cylinder is in normal operating conditions, when communicating passage is connected with low pressure air suction passage, the first cylinder is in idling conditions.The power consumption of compressor can be effectively reduced using the pump body structure, improves the practicality and reliability of compressor.
Description
Technical field
Compressor apparatus technical field is the utility model is related to, in particular to a kind of pump body structure and there is its
Compressor.
Background technology
Positive displacement compressor is to realize transfiguration purpose, normal conditions by changing the quantity of the cylinder block of suction refrigerant
Under, higher pressure refrigerant gas is introduced or from compressor inleting pipe from compressor exhaust pipe by magnetic valve by outside control piper
Place introduces low pressure refrigerant gas to transfiguration cylinder slide plate annular seal space, seals cavity pressure by adjusting transfiguration cylinder slide plate, control is slided
Whether piece works to realize that transfiguration cylinder runs well or shut down, and then realizes transfiguration, as shown in figure 1, of the prior art
Positive displacement compressor includes lower cover 70 ', lower flange 23 ', lower cylinder 10 ', dividing plate 71 ', upper cylinder 11 ', upper flange 24 ', stator
81 ', rotor 82 ', air entry 84 ', exhaust outlet 83 ' and compressor exterior line component, pipeline component include condenser
85 ', restricting element 86 ', evaporator 87 ', magnetic valve 88 ', magnetic valve 89 '.
As shown in figure 1, it is being to be passed through refrigerant in transfiguration cylinder toward lower cylinder 10 ' to change the pressure in picture accommodating chamber
When, refrigerant pipeline is provided with outside compressor housing, one end of refrigerant pipeline is provided with two branch roads, and one in two branch roads
Root is connected with the high-pressure exhaust of compressor, and another is connected with the pipeline at compressor air suction mouth, and on each branch road
There is provided magnetic valve (magnetic valve 88 ', magnetic valve 89 '), and the transfiguration process of cylinder is controlled by controlling the opening and closing of magnetic valve.From
As can be seen that compressor of the prior art realizes that the process of transfiguration is complicated by being set outside compressor housing in Fig. 1
What outside control piper was realized.Further, because compressor in the prior art realizes that the pipeline of transfiguration is all provided in compression
Casing is external so that and the refrigerant gas of compressor pressure loss when being flowed in complex pipeline is larger, air pulsing is obvious,
Cause compressor horsepower to increase, reduce the performance of compressor.And when outside control piper by magnetic valve from compressor air-discharging
When higher pressure refrigerant gas is introduced at pipe, because outside control piper directly contacts with external environment condition, and high-pressure refrigerant is cold
Solidifying temperature is more than environment temperature, causes higher pressure refrigerant gas easily to liquefy, the higher pressure refrigerant gas with liquid enters transfiguration cylinder
Slide plate annular seal space, oil film will be broken through, reduce cold, increase the power consumption of compressor, the performance generation to compressor is unfavorable.
Utility model content
Main purpose of the present utility model is to provide a kind of pump assembly and has its compressor, to solve existing skill
Need to draw high pressure refrigerant from exhaust outlet of compressor in art be drained to again through compressor exterior line in cylinder realize transfiguration and
The problem of causing compressor power consumption to increase.
To achieve these goals, according to one side of the present utility model, there is provided a kind of pump body structure, including:Gas
Cylinder, cylinder include the first cylinder and the second cylinder;Conducting portion, conducting portion include high pressure gas passage and low pressure air suction passage, high
Pressure exhaust passage and low pressure air suction passage lead to the first cylinders;Control valve, control valve have communicating passage, and control valve is led to
Cross communicating passage selectively with high pressure gas passage or low pressure air suction passage to be connected, when communicating passage and high pressure gas passage
When being connected, the first cylinder is in normal operating conditions, when communicating passage is connected with low pressure air suction passage, at the first cylinder
In idling conditions.
Further, control valve includes:Valve body, valve body have accommodating chamber, and communicating passage is opened in the cavity wall of accommodating chamber
And it is connected with accommodating chamber;Valve element, valve element are movably disposed in accommodating chamber, and valve element has first position and the second place,
When valve element is located at first position, the first cylinder is in idling conditions, and when valve element is located at the second place, the first cylinder is in just
Normal working condition.
Further, when valve element is located at first position, communicating passage is connected with low pressure air suction passage, and valve element is located at second
During position, communicating passage is connected with high pressure gas passage.
Further, communicating passage includes:First passage, the first end of first passage are led to the first cylinders, and first
Second end of passage is connected with accommodating chamber, and when valve element is located at first position, first passage is connected with low pressure air suction passage,
When valve element is located at the second place, first passage is connected with high pressure gas passage.
Further, communicating passage also includes:Second channel, the first end of second channel are connected with low pressure air suction passage
Logical, the second end of second channel is connected with accommodating chamber;Third channel, the first end of third channel are connected with high pressure gas passage
Logical, the second end of third channel is connected with accommodating chamber, and first passage is between second channel and third channel, when valve element position
When first position, first passage is connected with second channel, when valve element is located at the second place, first passage and third channel
It is connected.
Further, valve element includes:Insert body, the outer peripheral face of insert body set it is fluted, groove and accommodating chamber
Inner peripheral surface forms receiving space, and when valve element is located at first position, first passage is connected by receiving space with second channel,
Now, third channel is sealed by the outer surface of insert body, and when valve element is located at the second place, first passage passes through receiving space
It is connected with third channel, now, second channel is sealed by the outer surface of insert body.
Further, valve element includes:Balancing orifice, length direction insertion valve element of the balancing orifice along valve element are set, and/or, valve
Core includes balancing slit, and balancing slit opens up along the length direction of valve element.
Further, accommodating chamber, which includes the first accommodating chamber and the second accommodating chamber, valve body, includes:Valve seat, the first accommodating chamber are passed through
Port valve seat is set, and communicating passage is opened on valve seat and is connected with the first accommodating chamber;Bonnet, bonnet are connected with valve seat, the
Two accommodating chambers are formed in bonnet and are connected with the first accommodating chamber, and valve element is located in the first accommodating chamber and the second accommodating chamber.
Further, valve body also includes:Coil, coil are arranged on bonnet, and when the coil is energized, valve element is located at first
Put, when coil no power, valve element is located at the second place.
Further, valve body also includes:Elastic component, elastic component be located at the side wall of the second accommodating chamber of bonnet and valve element it
Between, elastic component is used to apply pretightning force to valve element, makes to make valve element be located at the second place during coil no power.
Further, valve element is in cylindrical structure, and valve element includes the first straight section and the second straight section being connected with the first straight section,
The internal diameter of first accommodating chamber is D1, a diameter of D2 of the cross section of the first straight section, wherein, 0 < D1-D2≤0.03mm.
Further, the inwall of the first accommodating chamber is in the tubular structure that is engaged with the first straight section, the first accommodating chamber it is interior
The cylindricity of wall is less than or equal to 0.008mm, and/or, the cylindricity of the first straight section is less than or equal to 0.008mm.
Further, the first straight section is coaxially disposed with the second straight section, the protrusion of the second straight section and the first straight section connection
Stop surface is formed in the end face of the outer surface of the first straight section.
Further, one end of the close stop surface of valve seat is internally provided with the limited step being engaged with stop surface.
Further, the first cylinder has slide plate accommodating chamber, and the first end of first passage is connected with slide plate accommodating chamber.
Further, the first cylinder has slide plate accommodating chamber, and second channel is connected with slide plate accommodating chamber, and/or, the 3rd
Passage is connected with slide plate accommodating chamber.
Further, conducting portion includes:Conductive channel, the first end of conductive channel are connected with slide plate accommodating chamber, conducting
Second end of passage is connected with the first end of first passage.
Further, pump body structure includes:Lock part, it is movably disposed in low pressure air suction passage, lock part has
By the lock position of the slide plate locking of the first cylinder, and the unlocked position that slide plate is unlocked from lock position, when valve element is located at
During first position, lock part is located at lock position, and when valve element is located at the second place, lock part is located at unlocked position.
Further, the first cylinder has air entry, the first inlet channel and the second inlet channel, the first inlet channel
First end is connected with air entry, and the second end of the first inlet channel is connected with the working chamber of the first cylinder, and the second air inlet is led to
The first end in road is connected with air entry, and the second end of the second inlet channel is connected with low pressure air suction passage.
Further, the 3rd inlet channel, first end and the second air inlet of the 3rd inlet channel are further opened with conducting portion
Second end of passage is connected, and the second end of the 3rd inlet channel is connected with low pressure air suction passage.
Further, pump body structure includes:Lower flange, conducting portion are arranged on lower flange, and the first cylinder is located at lower flange
Top, control valve is located at the lower section of lower flange;And/or upper flange, conducting portion are arranged on upper flange, the first cylinder is located at
Below upper flange, control valve is located at the top of lower flange.
Further, pump body structure includes lower flange, and conducting portion is arranged on lower flange, and the first cylinder is located at lower flange
Top, control valve are located at the lower section of lower flange, and pump body structure includes:Dividing plate, dividing plate is between control valve and lower flange.
According to another aspect of the present utility model, there is provided a kind of compressor, including pump body structure, pump body structure are above-mentioned
Pump body structure.
Further, compressor includes:Housing, the bonnet of control valve are extended to outside housing, and the coil of control valve is arranged at
Bonnet is extended on one end outside housing, and/or, the valve body of control valve has accommodating chamber, accommodating chamber and the inner chamber phase of housing
Connection.
Using the technical solution of the utility model, control valve is arranged to a part for pump body structure, and by using
Control valve is directly controlled to the high pressure gas passage in conducting portion and low pressure air suction passage to reach first in pump body structure
Cylinder realizes the purpose of transfiguration, avoids using needing in the prior art that high pressure refrigerant is compressed again from exhaust outlet of compressor extraction
Machine exterior line is drained in cylinder the problem of realizing transfiguration and causing compressor power consumption to increase.Can be had using the pump body structure
Effect ground reduces the power consumption of compressor, improves the practicality and reliability of compressor.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.
In the accompanying drawings:
Fig. 1 shows the structural representation of the positive displacement compressor with the first cylinder of the prior art;
Fig. 2 shows the structural representation of the embodiment according to compressor of the present utility model;
Fig. 3 shows the structural representation when valve element of control valve in Fig. 2 is in first position;
Fig. 4 shows the mplifying structure schematic diagram at F in Fig. 3;
Fig. 5 shows the structural representation when valve element of control valve in Fig. 2 is in the second place;
Fig. 6 shows the mplifying structure schematic diagram at A in Fig. 5;
Fig. 7 shows the structural representation of control valve in Fig. 2;
Fig. 8 show A-A in Fig. 7 to cross section structure diagram;
Fig. 9 shows the structural representation of the first embodiment of the valve element of control valve in Fig. 2;
Figure 10 shows structural representation when being in the second place of the valve element in Fig. 9;
Figure 11 shows the structural representation of the second embodiment of the valve element of control valve in Fig. 2;
The structural representation of the embodiment of the bonnet of control valve in Figure 12.
Wherein, above-mentioned accompanying drawing marks including the following drawings:
10th, the first cylinder;11st, the second cylinder;
20th, conducting portion;21st, high pressure gas passage;22nd, low pressure air suction passage;23rd, lower flange;24th, upper flange;
30th, control valve;
31st, communicating passage;311st, first passage;312nd, second channel;313rd, third channel;
32nd, valve body;321st, valve seat;322nd, bonnet;3221st, stop configurations;3222nd, external screw thread;323rd, coil;324th, it is elastic
Part;
33rd, valve element;331st, groove;332nd, balancing orifice;333rd, balancing slit;334th, the first straight section;335th, the second straight section;
3351st, limited step;
40th, slide plate accommodating chamber;
50th, lock part;51st, slide plate head;52nd, slide plate afterbody;
60th, slide plate;
70th, dividing plate;71st, median septum;
80th, housing;81st, stator;82nd, rotor;83rd, exhaust outlet;821st, bent axle.
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 utility model 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 " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Term can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except herein
Order beyond those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Be necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes, side
The intrinsic other steps of method, 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 Figure 12, according to embodiment of the present utility model, there is provided a kind of pump assembly.
Specifically, the pump body structure includes cylinder, conducting portion 20 and control valve 30.Cylinder includes the first cylinder 10 and second
Cylinder 11.Conducting portion 20 has the high pressure gas passage 21 and low pressure air suction passage 22 led to the first cylinders.Control valve 30
With communicating passage 31, control valve 30 by communicating passage 31 selectively with high pressure gas passage 21 or low pressure air suction passage 22
It is connected, when communicating passage 31 is connected with high pressure gas passage 21, the first cylinder is in normal operating conditions, when connection is logical
When road 31 is connected with low pressure air suction passage 22, the first cylinder is in idling conditions.
As shown in Fig. 2 in the present embodiment, control valve is arranged to a part for pump body structure, and by using control
Valve processed is directly controlled to the high pressure gas passage in conducting portion and low pressure air suction passage to reach the first gas of pump body structure
Cylinder is the purpose that transfiguration cylinder realizes transfiguration, and avoiding to use needs to draw high pressure refrigerant from exhaust outlet of compressor in the prior art
Go out and be drained in cylinder the problem of realizing transfiguration and causing compressor power consumption to increase through compressor exterior line again.Using the pump housing
Structure can be effectively reduced the power consumption of compressor, improve the practicality and reliability of compressor.Transfiguration cylinder herein
Refer to that the suction muffler of the transfiguration cylinder and compression chamber are in normal suction condition and compressive state in normal operating conditions;
Transfiguration cylinder is in idling conditions and refers to that the suction muffler of transfiguration cylinder and compression chamber are in stopping suction and stop what is compressing
State.As shown in figure 3, control valve 30 includes valve body 32 and valve element 33.Valve body 32 has accommodating chamber (as shown in E in Fig. 8), even
Circulation passage 31 is opened in the cavity wall of accommodating chamber and is connected with accommodating chamber.Valve element 33 is movably disposed in accommodating chamber, valve
Core 33 has first position and the second place, when valve element 33 is located at first position, communicating passage 31 and low pressure air suction passage 22
It is connected, when valve element 33 is located at the second place, communicating passage 31 is connected with high pressure gas passage 21.By valve element positioned at not
Same opening position can be achieved in pump body structure between communicating passage 31 and low pressure air suction passage 22 and high pressure gas passage 21
The switching of mode of communicating, add the reliability that pump body structure realizes transfiguration.
As shown in figure 4, in order to further improve the reliability between control valve 30 and conducting portion, set in control valve 30
Communicating passage 31 is put, communicating passage 31 includes first passage 311.The first end of first passage 311 is led to the first cylinders,
Second end of first passage 311 is connected with accommodating chamber, and when valve element 33 is located at first position, first passage 311 is inhaled with low pressure
Gas passage 22 is connected, and now, transfiguration cylinder is in idling conditions.When valve element 33 is located at the second place, first passage 311 with
High pressure gas passage 21 is connected, and now, transfiguration cylinder is in normal operating conditions.
As shown in fig. 6, communicating passage 31 also includes second channel 312 and third channel 313.The first of second channel 312
End is connected with low pressure air suction passage 22, and the second end of second channel 312 is connected with accommodating chamber.The first of third channel 313
End is connected with high pressure gas passage 21, and the second end of third channel 313 is connected with accommodating chamber, and first passage 311 is located at the
Between two passages 312 and third channel 313, when valve element 33 is located at first position, first passage 311 and the phase of second channel 312
Connection, when valve element 33 is located at the second place, first passage 311 is connected with third channel 313.Control can be passed through by so setting
The location of valve element 33 processed is connected to switch the realization of first passage 311 led to transfiguration cylinders with high pressure gas passage 21
Lead to or be connected with low pressure air suction passage 22, further increasing the reliability of control valve.
Specifically, as shown in figure 8, valve element 33 includes insert body.The outer peripheral face setting fluted 331 of insert body, it is recessed
Groove 331 and the inner peripheral surface of accommodating chamber form receiving space, and when valve element 33 is located at first position, first passage 311 passes through receiving
Space is connected with second channel 312, and now, third channel 313 is sealed by the outer surface of insert body, when valve element 33 is positioned at the
During two positions, first passage 311 is connected by receiving space with third channel 313, and now, second channel 312 is by valve element sheet
The outer surface sealing of body.As shown in figure 8, valve element 33 is located at first position, transfiguration cylinder is by the way that air-breathing makes at C from Fig. 4 and Fig. 7
Low pressure refrigerant is entered in control valve by second channel 312, and is connected by receiving space with first passage 311, is then led to
First passage 311 is crossed to enter in transfiguration cylinder.Now, third channel 313 by insert body outer surface seal with prevent from
The high pressure refrigerant of discharge enters in control valve in transfiguration cylinder.As shown in Figure 10, now valve element 33 is located at the second place, from Fig. 6
Entered with the high pressure refrigerant discharged in Fig. 7 at D by third channel 313 in control valve, and pass through receiving space and first passage
311 are connected, and are then entered to by first passage 311 in transfiguration cylinder.Now, second channel 312 is by the outer of insert body
Face seal with prevent at transfiguration cylinder air entry suck low pressure refrigerant enter control valve in.Wherein, groove 331 can be
Annular.
As shown in figure 8, in order that obtain the valve element of control valve smoothly can slide in valve seat, there is provided press on valve element
Hole.I.e. valve element 33 includes balancing orifice 332.Wherein, length direction insertion valve element 33 of the balancing orifice 332 along valve element 33 is set.So
Setting make it that the pressure outside pressure and control valve in control valve is always consistent, when being full of oil body in control, control valve
The switching effect of valve function can equally be realized.Certainly, as shown in figure 11, can also be on valve element by setting balancing slit 333
Mode come have the function that set balancing orifice 332.Wherein, length direction of the balancing slit 333 along valve element 33 opens up, on valve seat
It is provided with the through hole being connected with balancing slit and oil sump.
Specifically, accommodating chamber includes the first accommodating chamber and the second accommodating chamber.Valve body 32 includes valve seat 321 and bonnet 322.The
One accommodating chamber insertion valve seat 321 is set, and communicating passage 31 is opened on valve seat 321 and is connected with the first accommodating chamber.Bonnet 322
It is connected with valve seat 321, the second accommodating chamber is formed in bonnet 322 and is connected with the first accommodating chamber, and valve element 33 is located at first
In accommodating chamber and the second accommodating chamber.As shown in Fig. 7, Fig. 8, Figure 10, so set and enable valve element suitable in valve seat and bonnet
Smooth movement.Add the reliability of control valve.
Further, valve body 32 also includes coil 323.Coil 323 is arranged on bonnet 322, when coil 323 is powered,
Valve element 33 is located at first position, and when 323 no power of coil, valve element 33 is located at the second place.By by coil and external power source
Turned on, it is possible to achieve valve element toggles between the first position and the second position, further increasing control valve
Reliability and security.
Preferably, valve body 32 also includes:Elastic component 324, elastic component 324 are located at the side wall of the second accommodating chamber of bonnet 322
Between valve element 33, elastic component 324 is used to apply pretightning force to valve element 33, makes to make during 323 no power of coil valve element 33 positioned at the
Two positions.So set can further improve coil from be energized to it is cold in the case of, valve element is in the pre- of elastic component
In the presence of clamp force, it can realize from first position and switch to the second place.
Further, valve element 33 is in cylindrical structure, and valve element 33 includes the first straight section 334 and is connected with the first straight section 334
The second straight section 335, the internal diameter of the first accommodating chamber is D1, a diameter of D2 of the cross section of the first straight section 334, wherein, 0 < D1-
D2≤0.03mm.So it is cold between high-pressure channel and low-pressure channel can further to ensure that valve element is realized in control valve for setting
The reliability of the switching of matchmaker's flow direction, while improve the reliability that pump body structure realizes transfiguration.Significantly reducing has the pump
The power consumption of the compressor of body structure.It is smooth to ensure that valve element can slide in valve body, controls valve seat endoporus and valve element cylinder again
Between gap, reduce leakage.
The inwall of first accommodating chamber is in the tubular structure being engaged with the first straight section 334, the circle of the inwall of the first accommodating chamber
Post degree is less than or equal to 0.008mm, and the cylindricity of the first straight section 334 is less than or equal to 0.008mm.So can further it carry
The reliability that high valve element moves in control valve.
As shown in Figure 10, the first straight section 334 is coaxially disposed with the second straight section 335, the second straight section 335 and the first straight section 334
The end face of the outer surface for protruding from the first straight section 334 of connection forms stop surface 3211.The close stop surface of valve seat 321
3211 one end is internally provided with the limited step 3351 being engaged with stop surface.So set and enable to when valve element moves
It can be blocked to during the second place by stop surface, to increase the reliability that valve element plays switching refrigerant.So setting can be fine
Valve element is limited in valve seat so that valve element will not be pushed out outside valve seat, further improve control valve reliability.Enter one
Step ground, in order to increase the reliability that bonnet is connected with valve seat, is provided with stop configurations 3221, positioned at stop configurations on bonnet
3221 side is provided with external screw thread 3222, i.e., internal thread is provided with valve seat, and valve seat is connected through a screw thread with bonnet.
Further, the first cylinder has slide plate accommodating chamber 40.The first end of first passage 311 and the phase of slide plate accommodating chamber 40
Connection.Position as where being slide plate accommodating chamber 40 at B in Fig. 7, the high pressure refrigerant or low pressure cold entered from first passage 311
Matchmaker is directly entered in slide plate accommodating chamber 40.The cylinder can be reached by changing the pressure in slide plate accommodating chamber 40 by so setting
Realize the purpose of transfiguration.
As shown in fig. 7, second channel 312 is connected with slide plate accommodating chamber 40, third channel 313 and the phase of slide plate accommodating chamber 40
Connection.So set cause slide plate accommodating chamber 40 by valve element so that first passage 311 selectively with second channel 312 or the
Triple channel 313 is connected.
As shown in figure 4, conducting portion 20 includes conductive channel.The first end of conductive channel is connected with slide plate accommodating chamber 40,
Second end of conductive channel is connected with the first end of first passage 311.Specifically, the stream of refrigerant is from the in conductive channel
Set out at one passage 311, shown in dotted line on the right side with the arrow and vertically upward, compression can be reduced by so setting
The pipeline of machine is set, and greatly simplify the structure of compressor pump.Similarly, first passage 311 is set in control valve 30,
The high pressure refrigerant for enabling to discharge from cylinder can be directly entered in slide plate accommodating chamber, be effectively shortened high pressure refrigerant and entered
Enter the time in slide plate accommodating chamber, efficiently avoid high pressure refrigerant and liquefied situation occurs, reduce the power consumption of compressor, carry
The high compression performance of compressor.
As shown in figure 5, pump body structure includes lock part 50.It is movably disposed in low pressure air suction passage 22, lock part
50 have the lock position of the locking of slide plate 60 of the first cylinder, and the unlocked position that slide plate 60 is unlocked from lock position,
When valve element 33 is located at first position, lock part 50 is located at lock position, when valve element 33 is located at the second place, lock part 50
In unlocked position.First cylinder has air entry, the first inlet channel and the second inlet channel, the first end of the first inlet channel
It is connected with air entry, the second end of the first inlet channel is connected with the working chamber of the first cylinder, and the of the second inlet channel
One end is connected with air entry, and the second end of the second inlet channel is connected with low pressure air suction passage 22.Also opened on conducting portion 20
Provided with the 3rd inlet channel, the first end of the 3rd inlet channel is connected with the second end of the second inlet channel, and the 3rd air inlet is led to
Second end in road is connected with low pressure air suction passage 22.
Refrigerant flow direction in 3rd inlet channel is the lower section of cylinder and is located at the downward void of the left arrow of conducting portion 20
Shown in line.Enabled to as shown in figure 3, so setting when the high pressure refrigerant discharged out of transfiguration cylinder passes through third channel 313
It is the work that slide plate head 51 is under pressure that accommodating chamber into control valve, which is connected with first passage and entered in slide plate accommodating chamber,
With being retracted into low pressure air suction passage, now, slide plate is not due to by the position-limiting action of lock part so that transfiguration cylinder can
Realize normal compression work.When the low pressure refrigerant of the air entry of transfiguration cylinder enters conductive channel by the second inlet channel
It is interior, subsequently into low pressure air suction passage 22, now, if when valve element is located at first position, a part of low pressure refrigerant can
Entered by second channel 312 in control valve, then entered again by first passage in slide plate accommodating chamber so that slide plate accommodating chamber
Interior to be in low-pressure state, the low pressure refrigerant of another part is entered in slide plate accommodating chamber by low pressure air suction passage 22, now, slide plate
Low-pressure state is in accommodating chamber, i.e., the pressure that slide plate head 51 is subject to reduces, due to being provided with elasticity at slide plate afterbody 52
Part so that slide plate 60 under the elastic force effect of elastic component, towards slide plate accommodating chamber in it is mobile until by slide plate locking, now, become
It is idling conditions to hold cylinder to be in off position.
Pump body structure includes lower flange 23 and upper flange 24.Conducting portion 20 is arranged on lower flange 23, and the first cylinder is located at
The top of lower flange 23, control valve 30 are located at the lower section of lower flange 23.Certainly, conducting portion 20 can also be arranged at upper flange 24
On, the first cylinder is located at the lower section of upper flange 24, and control valve 30 is located at the top of lower flange 23.I.e. the conducting portion 20 can be formed
The channel design of the inside of one in lower flange 23 and upper flange 24 or it is arranged on lower flange 23 and upper flange 24
On split platy structure.It so can equally play the guide functions to refrigerant.Wherein, the second cylinder is located at upper flange with
Between flange, the second cylinder can be multiple.Ensureing that pump body structure can be on the premise of normal operation, can also be by control valve
It is arranged between upper flange and lower flange.
Specifically, pump body structure includes lower flange 23 and dividing plate 70.Conducting portion 20 is arranged on lower flange 23, the first cylinder
Positioned at the top of lower flange 23, control valve 30 is located at the lower section of lower flange 23, dividing plate 70 be located at control valve 30 and lower flange 23 it
Between.As shown in figure 4, the passage (as shown in G in Fig. 4) being connected with the valve seat of lower flange and control valve is provided with dividing plate,
The overall stability of pump body structure can be effectively guaranteed by so setting, while also increase the sealing of pump body structure.Enter
One step, in order to increase the sealing between the first cylinder 10 and the second cylinder 11, the first cylinder 10 and second cylinder 11 it
Between be provided with median septum 71.
According to another aspect of the present utility model, there is provided a kind of compressor, including pump body structure, pump body structure are above-mentioned
Pump body structure in embodiment.The pump body structure includes cylinder, conducting portion 20 and control valve 30.Cylinder includes the first cylinder and the
Two cylinders.Conducting portion 20 has the high pressure gas passage 21 and low pressure air suction passage 22 led to the first cylinders.Control valve 30
With communicating passage 31, control valve 30 by communicating passage 31 selectively with high pressure gas passage 21 or low pressure air suction passage 22
It is connected, when communicating passage 31 is connected with high pressure gas passage 21, the first cylinder is in normal operating conditions, when connection is logical
When road 31 is connected with low pressure air suction passage 22, the first cylinder is in idling conditions.
In the present embodiment, control valve is arranged to a part for pump body structure, and it is directly right by using control valve
High pressure gas passage and low pressure air suction passage in conducting portion are controlled to reach the first cylinder of pump body structure i.e. transfiguration gas
Cylinder realizes the purpose of transfiguration, avoids using needing in the prior art that high pressure refrigerant is compressed again from exhaust outlet of compressor extraction
Machine exterior line is drained in cylinder the problem of realizing transfiguration and causing compressor power consumption to increase.Can be had using the pump body structure
Effect ground reduces the power consumption of compressor, improves the practicality and reliability of compressor.It is worth noting that, transfiguration cylinder includes cylinder
The parts such as body, transfiguration slide plate and roller, transfiguration cylinder herein are in the suction that normal operating conditions refers to the transfiguration cylinder
Air cavity and compression chamber are in normal suction condition and compressive state.Further, transfiguration cylinder refers in idling conditions
The suction muffler and compression chamber of transfiguration cylinder be in stopping suction and stop compression state, i.e., the roller of transfiguration cylinder now
Disengaged position is in the slide plate of transfiguration cylinder so that roller is in idling conditions.
Specifically, compressor includes housing 80.Wherein, the bonnet 322 of control valve 30 is extended to outside housing 80, control valve 30
Coil 323 be arranged at the extending on one end outside housing 80 of bonnet 322, the valve body 32 of control valve 30 has accommodating chamber, holds
Receive the intracavity inter-connection of chamber and housing 80.Coil is arranged to compression case is external, coil can be avoided to invade bubble in compressor
Cause the situation that electric difficulty is connect to it in oil sump.Meanwhile the accommodating chamber of the valve body of control valve is arranged to and compressor housing
The form of intracavity inter-connection so that the pressure in the accommodating chamber of control valve is all the time with the pressure in compression case body all the time in pressure
Dynamic balance state, i.e., so setting can effectively ensure that valve element is under pressure balanced bad border all the time, play balance valve core
The effect of pressure at two ends, and then improve the reliability of control valve.As shown in Figures 2 and 3, the compressor also include stator 81,
Rotor 82, exhaust outlet 83, bent axle 821.Stator 81, rotor 82 form a part for motor, and rotor 82 rotates with dynamic crankshaft 821,
Bent axle drives the roller being arranged in cylinder to rotate so that cylinder realizes the process of air-breathing compression, most compresses the height of completion at last
Body of calming the anger is discharged at exhaust outlet 83.
The compressor solve refrigerant gas in complex pipeline flow when the pressure loss it is larger, air pulsing is obvious,
Cause compressor power consumption to increase, the problem of performance of compressor reduces, also solve control piper outside positive displacement compressor
Complexity, and multiple magnetic valves need to be installed, the problem of structure is not compact.Transfiguration control piper is also solved directly to contact with environment,
When outside control piper introduces higher pressure refrigerant gas, because the condensation temperature of high-pressure refrigerant is more than environment temperature, high pressure
Refrigerant gas easily liquefies, and the higher pressure refrigerant gas with liquid enters transfiguration cylinder slide plate annular seal space, will break through oil film, reduces cold
Amount, increase power consumption, the problem of unfavorable is produced to performance.
It is predominantly located at as shown in Fig. 2 the present embodiment employs built-in transfiguration control valve in the housing of compressor, this change
Positive displacement compressor eliminates the installation of the multiple magnetic valves of hull outside so that compressor arrangement is more compact.By transfiguration outside compressor
Built in control piper, the pressure loss of the refrigerant gas when being flowed in complex pipeline can be reduced, mitigate air pulsing, reduce work(
Consumption.Because by built in transfiguration control piper, transfiguration control piper is not directly contacted with environment, avoid when outside control pipe pass
When entering higher pressure refrigerant gas, because the condensation temperature of high-pressure refrigerant be more than environment temperature and caused by direct liquefaction phenomenon, enter
And avoid the higher pressure refrigerant gas with liquid and enter transfiguration cylinder slide plate annular seal space, caused by cold reduce, power consumption is increased to ask
Topic.
Show the variable-volume type rolling rotor formula compressor with two cylinders or multiple cylinders in Fig. 2, use is built-in
Transfiguration control valve, and provide a kind of built-in transfiguration control method.Built-in transfiguration control valve mainly by coil, valve spring and
Valve body forms, and valve body is that bonnet three parts are formed by valve element, valve seat and protecting cover.Wherein, valve body is arranged in housing, and the one of protecting cover
Housing is stretched out at end.Coil is arranged on outside housing, realizes that compressor transfiguration controls by controlling the power on/off of magnet coil.
Specifically, when magnet coil is coil electricity, low pressure gas port and transfiguration cylinder slide plate are the first cylinder in valve body
Annular seal space passage is connected, and low-pressure gas, transfiguration cylinder slide plate annular seal space and stem knob are selectively passed through in transfiguration cylinder slide plate annular seal space
Portion is that lock piece head is connected, and pin head is low pressure, because pin afterbody communicates with low pressure air suction all the time, at pin afterbody
In low pressure, then pin is under the elastic force effect of tail springs, to close to the slip of the direction of transfiguration cylinder slide plate, pin head locking
Transfiguration cylinder slide plate, transfiguration cylinder slide plate are not worked, and compressor single cylinder is run (as shown in Figure 3, Figure 4).When magnet coil powers off, valve body
Inner high voltage gas passage is connected with transfiguration cylinder slide plate annular seal space passage, and high pressure gas is selectively passed through in transfiguration cylinder slide plate annular seal space
Body, transfiguration cylinder slide plate annular seal space are connected with pin head, and pin head is high pressure, due to pin afterbody all the time with low pressure air suction
Communicate, pin afterbody is in low pressure, and then pin is under the differential pressure action of head high pressure aft low pressure, to away from transfiguration cylinder slide plate
Direction slide, pin head avoid transfiguration cylinder slide plate, the normal working in reciprocating mode of transfiguration cylinder slide plate, compressor twin-tub operation
Valve seat is connected by screw on the lower cover for being fixed on pump assembly, the valve seat directly contacted with lower cover lower plane
Multiple hole slots are offered at upper plane, alternative is passed through high pressure or low-pressure gas to transfiguration cylinder slide plate chamber (such as Fig. 7, Fig. 8, figure
Shown in 10), hole slot structure is not limited to the shape in embodiment, can also be other various shapes.
Valve element afterbody is provided with valve spring hole, and valve spring is that elastic component is arranged in valve spring hole, valve spring and valve spring
Interporal lacuna coordinates (as shown in Figure 6).
Spool groove is provided with valve element.Coil electricity, produce electromagnetic force, pulling function of the valve element in electromagnetic force
Under, slided to close to the direction of hole end surface in protecting cover, coil blackout, non-electromagnetic-force effect, valve element is under valve spring effect, Xiang Yuan
Slide in direction from hole end surface in protecting cover.Connected so that the circulation passage formed between spool groove and valve seat endoporus is alternative
Low pressure air suction is to transfiguration cylinder slide plate chamber or connects high pressure gas to transfiguration cylinder slide plate chamber.
Valve element confined planes i.e. stop surface is provided with valve element, the valve seat confined planes i.e. end of limited step is provided with valve seat
Face.Work as coil blackout, non-electromagnetic-force effect, valve element in valve spring elastic force in the case where acting on, to the direction away from hole end surface in protecting cover
Slide, when valve element confined planes, which slide into, to be in contact with valve seat confined planes, the slip of valve element can be limited.It need to ensure now simultaneously
Valve spring is still in confined state.Wherein, protecting cover endoporus uses gap fiting mode with the face of cylinder of valve element second.
Preferably, valve seat endoporus one end is provided with internal thread, and side of the protecting cover away from hole end surface in protecting cover is provided with outer spiral shell
Line (as shown in figure 12), protecting cover are connected through a screw thread as an entirety with valve seat.Protecting cover is provided with protecting cover confined planes, when protecting cover limits
Plane is in contact with valve seat end face, it is ensured that protecting cover external screw thread is screwed into the depth of valve seat endoporus internal thread.
Balancing orifice (as shown in Figure 9) is provided with valve element, the balancing orifice plays a part of balance valve core pressure at two ends, ensures
Valve element in protecting cover and valve seat by electromagnetic force or valve spring force when can be slidably.Balancing orifice can be center hole, also may be used
To be the hole of other structures.
Specifically, the compressor mainly include rotor, stator, upper flange, upper cylinder, dividing plate, lower cylinder, lower flange, under
The parts such as cover plate and built-in transfiguration control valve, built-in transfiguration control valve are mainly made up of coil, valve spring and valve body, replaced
For the outside transfiguration control piper that positive displacement compressor in the prior art is complicated.During compressor start, built-in transfiguration control valve
Coil electricity, under electromagnetic force pulling, valve element is slided (due to being provided with valve element to the direction of the hole end surface in the protecting cover
Hole is pressed, valve element is in housing pressure environment, makes valve element can be slidably under electromagnetic force), valve element and protecting cover endoporus
End contact, now spool groove low pressure air suction opening is connected with being passed through transfiguration cylinder slide plate chamber opening, low pressure air suction
Into transfiguration cylinder slide plate chamber, transfiguration cylinder slide plate chamber is connected with pin head, and pin head is passed through low-pressure gas, due to pin tail
Portion is connected with low pressure air suction always, and pin afterbody is in low pressure, then pin tail springs elastic force effect under, pin to by
The direction of nearly transfiguration cylinder slide plate is slided, and pin head locking transfiguration cylinder slide plate, transfiguration cylinder slide plate stops reciprocatingly sliding, and transfiguration cylinder is empty
Turn, no gas compression, transfiguration cylinder does not work, the operation of compressor single cylinder.
The coil blackout of built-in transfiguration control valve, non-electromagnetic-force effect, under the elastic force effect of valve spring, valve element is to remote
From in protecting cover hole end surface direction slide (due to being provided with balancing orifice on valve element, valve element is in housing pressure environment, makes valve
Core can be slidably under the effect of valve spring elastic force), until valve element confined planes are in contact with valve seat confined planes, limitation valve element continues
Slide, valve spring is still in confined state.Now spool groove by high pressure gas opening and is passed through transfiguration cylinder slide plate chamber stream
Through hole is connected, and high pressure gas enters transfiguration cylinder slide plate chamber, and transfiguration cylinder slide plate chamber is connected with pin head, and pin head is passed through
Gases at high pressure, because pin afterbody is connected with low pressure air suction always, pin afterbody is in low pressure, then pin head high pressure with
Under the differential pressure action of aft low pressure, slided to the direction away from transfiguration cylinder slide plate, pin head avoids transfiguration cylinder slide plate, transfiguration cylinder
Slide plate reciprocatingly slides, transfiguration cylinder normal work, the operation of compressor twin-tub.
Using the positive displacement compressor with built-in transfiguration control valve, cancel the outside transfiguration control piper of complexity, reduce
Pressure loss during refrigerant gas flow, mitigate air pulsing, reduce power consumption.Because this positive displacement compressor eliminates shell
The installation of multiple magnetic valves outside body, and built-in transfiguration control valve is disposed primarily in compression case body so that compressor arrangement
It is more compact.Because by built in transfiguration control piper, transfiguration control piper is not directly contacted with environment, is avoided when outside control pipe
When pass enters higher pressure refrigerant gas, because the condensation temperature of high-pressure refrigerant be more than environment temperature and caused by direct liquefaction show
As, and then avoid the higher pressure refrigerant gas with liquid and enter transfiguration cylinder slide plate annular seal space, caused by cold reduce, power consumption increase
The problem of.Wherein, in the present embodiment, balancing orifice can be arranged to balancing slit, balancing slit leads to the gases at high pressure in housing
Cross balancing slit and enter valve seat endoporus and protecting cover endoporus, whole valve element is under housing pressure environment, ensure valve element in electromagnetic force
Or can be slidably under the effect of valve spring elastic force.
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 also fall in the scope of the utility model.
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.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (24)
- A kind of 1. pump body structure, it is characterised in that including:Cylinder, the cylinder include the first cylinder and the second cylinder;Conducting portion (20), the conducting portion (20) include high pressure gas passage (21) and low pressure air suction passage (22), the high pressure Exhaust passage (21) and the low pressure air suction passage (22) lead to first cylinders;Control valve (30), the control valve (30) have communicating passage (31), and the control valve (30) passes through the communicating passage (31) selectively it is connected with the high pressure gas passage (21) or the low pressure air suction passage (22), when the communicating passage (31) when being connected with the high pressure gas passage (21), first cylinder is in normal operating conditions, when the connection is logical When road (31) is connected with the low pressure air suction passage (22), first cylinder is in idling conditions.
- 2. pump body structure according to claim 1, it is characterised in that the control valve (30) includes:Valve body (32), the valve body (32) have accommodating chamber, and the communicating passage (31) is opened in the cavity wall of the accommodating chamber And it is connected with the accommodating chamber;Valve element (33), the valve element (33) are movably disposed in the accommodating chamber, and the valve element (33) has first position And the second place, when the valve element (33) is located at the first position, first cylinder is in the idling conditions, works as institute When stating valve element (33) and being located at the second place, first cylinder is in the normal operating conditions.
- 3. pump body structure according to claim 2, it is characterised in that when the valve element (33) is located at the first position, The communicating passage (31) is connected with the low pressure air suction passage (22), when the valve element (33) is located at the second place, The communicating passage (31) is connected with the high pressure gas passage (21).
- 4. pump body structure according to claim 3, it is characterised in that the communicating passage (31) includes:First passage (311), first end and first cylinders of the first passage (311) lead to, the first passage (311) the second end is connected with the accommodating chamber, when the valve element (33) is located at the first position, the first passage (311) it is connected with the low pressure air suction passage (22), when the valve element (33) is located at the second place, described first is logical Road (311) is connected with the high pressure gas passage (21).
- 5. pump body structure according to claim 4, it is characterised in that the communicating passage (31) also includes:Second channel (312), the first end of the second channel (312) is connected with the low pressure air suction passage (22), described Second end of second channel (312) is connected with the accommodating chamber;Third channel (313), the first end of the third channel (313) is connected with the high pressure gas passage (21), described Second end of third channel (313) is connected with the accommodating chamber, and the first passage (311) is located at the second channel (312) between the third channel (313), when the valve element (33) is located at the first position, the first passage (311) it is connected with the second channel (312), when the valve element (33) is located at the second place, the first passage (311) it is connected with the third channel (313).
- 6. pump body structure according to claim 5, it is characterised in that the valve element (33) includes:Insert body, the outer peripheral face of the insert body set fluted (331), the groove (331) and the accommodating chamber Inwall forms receiving space, and when the valve element (33) is located at the first position, the first passage (311) passes through the appearance Receive space is connected with the second channel (312), and now, the third channel (313) is by the outer surface of the insert body Sealing, when the valve element (33) is located at the second place, the first passage (311) by the receiving space with it is described Third channel (313) is connected, and now, the second channel (312) is sealed by the outer surface of the insert body.
- 7. the pump body structure according to any one of claim 2 to 6, it is characterised in that the valve element (33) includes:Press Hole (332), length direction of the balancing orifice (332) along the valve element (33) penetrate the valve element (33) and set, and/or,The valve element (33) includes balancing slit (333), and length direction of the balancing slit (333) along the valve element (33) opens up.
- 8. the pump body structure according to any one of claim 2 to 6, it is characterised in that the accommodating chamber includes first and held Receive chamber and the second accommodating chamber, the valve body (32) includes:Valve seat (321), first accommodating chamber penetrate the valve seat (321) and set, and the communicating passage (31) is opened in described It is connected on valve seat (321) and with first accommodating chamber;Bonnet (322), the bonnet (322) are connected with the valve seat (321), and second accommodating chamber is formed at the bonnet (322) it is connected in and with first accommodating chamber, the valve element (33) is located in first accommodating chamber and the second accommodating chamber.
- 9. pump body structure according to claim 8, it is characterised in that the valve body (32) also includes:Coil (323), the coil (323) are arranged on the bonnet (322), when the coil (323) is powered, the valve Core (33) is located at the first position, and when the coil (323) no power, the valve element (33) is located at the second place.
- 10. pump body structure according to claim 9, it is characterised in that the valve body (32) also includes:Elastic component (324), the elastic component (324) be located at the side wall of second accommodating chamber of the bonnet (322) with it is described Between valve element (33), the elastic component (324) is used to apply pretightning force to the valve element (33), makes the coil (323) obstructed The valve element (33) is set to be located at the second place when electric.
- 11. pump body structure according to claim 8, it is characterised in that the valve element (33) is in cylindrical structure, the valve element (33) the first straight section (334) and the second straight section (335) being connected with first straight section (334) are included, described first accommodates The internal diameter of chamber is D1, a diameter of D2 of the cross section of first straight section (334), wherein, 0 < D1-D2≤0.03mm.
- 12. pump body structure according to claim 11, it is characterised in that the inwall of first accommodating chamber is in and described the The tubular structure that one straight section (334) is engaged, the cylindricity of the inwall of first accommodating chamber are less than or equal to 0.008mm, and/ Or, the cylindricity of first straight section (334) is less than or equal to 0.008mm.
- 13. pump body structure according to claim 11, it is characterised in that first straight section (334) and described second straight Section (335) is coaxially disposed, and second straight section (335) protrudes from described first with the first straight section (334) connection The end face of the outer surface of straight section (334) forms stop surface.
- 14. pump body structure according to claim 13, it is characterised in that the close stop surface of the valve seat (321) One end be internally provided with the limited step being engaged with the stop surface.
- 15. the pump body structure according to any one of claim 4 to 6, it is characterised in that first cylinder has slide plate Accommodating chamber (40), the first end of the first passage (311) are connected with the slide plate accommodating chamber (40).
- 16. the pump body structure according to claim 5 or 6, it is characterised in that first cylinder has slide plate accommodating chamber (40), the second channel (312) is connected with the slide plate accommodating chamber (40), and/or, the third channel (313) and institute Slide plate accommodating chamber (40) is stated to be connected.
- 17. pump body structure according to claim 15, it is characterised in that the conducting portion (20) includes:Conductive channel, the first end of the conductive channel are connected with the slide plate accommodating chamber (40), and the of the conductive channel Two ends are connected with the first end of the first passage (311).
- 18. pump body structure according to claim 4, it is characterised in that the pump body structure includes:Lock part (50), it is movably disposed in the low pressure air suction passage (22), the lock part (50) has by described in The lock position of slide plate (60) locking of the first cylinder, and the solution lock-bit that the slide plate (60) is unlocked from the lock position Put, when the valve element (33) is located at the first position, the lock part (50) is located at the lock position, when the valve element (33) when being located at the second place, the lock part (50) is located at the unlocked position.
- 19. pump body structure according to claim 1, it is characterised in that first cylinder has air entry, the first air inlet Passage and the second inlet channel, the first end of first inlet channel are connected with the air entry, and first air inlet is led to Second end in road is connected with the working chamber of first cylinder, the first end of second inlet channel and the air entry phase Connection, the second end of second inlet channel is connected with the low pressure air suction passage (22).
- 20. pump body structure according to claim 19, it is characterised in that be further opened with the 3rd on the conducting portion (20) and enter Gas passage, the first end of the 3rd inlet channel are connected with the second end of second inlet channel, the 3rd air inlet Second end of passage is connected with the low pressure air suction passage (22).
- 21. pump body structure according to claim 1, it is characterised in that the pump body structure includes:Lower flange (23), the conducting portion (20) are arranged on the lower flange (23), and first cylinder is located at the laxative remedy The top of blue (23), the control valve (30) are located at the lower section of the lower flange (23);And/orUpper flange (24), the conducting portion (20) are arranged on the upper flange (24), and first cylinder is located at the upper method Below blue (24), the control valve (30) is located at the top of the lower flange (23).
- 22. pump body structure according to claim 21, it is characterised in that the pump body structure includes lower flange (23), institute State conducting portion (20) to be arranged on the lower flange (23), first cylinder is located at the top of the lower flange (23), described Control valve (30) is located at the lower section of the lower flange (23), and the pump body structure includes:Dividing plate (70), the dividing plate (70) is between the control valve (30) and the lower flange (23).
- 23. a kind of compressor, including pump body structure, it is characterised in that the pump body structure is any one of claim 1 to 22 Described pump body structure.
- 24. compressor according to claim 23, it is characterised in that the compressor includes:Housing (80), the bonnet (322) of the control valve (30) extend to the housing (80) outside, the line of the control valve (30) Circle (323) is arranged at the extending on the one end of the housing (80) outside of the bonnet (322), and/or,The valve body (32) of the control valve (30) has accommodating chamber, the accommodating chamber and the intracavity inter-connection of the housing (80).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720251646.6U CN206625975U (en) | 2017-03-15 | 2017-03-15 | Pump body structure and there is its compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720251646.6U CN206625975U (en) | 2017-03-15 | 2017-03-15 | Pump body structure and there is its compressor |
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Publication Number | Publication Date |
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CN206625975U true CN206625975U (en) | 2017-11-10 |
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ID=60209437
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CN201720251646.6U Withdrawn - After Issue CN206625975U (en) | 2017-03-15 | 2017-03-15 | Pump body structure and there is its compressor |
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CN (1) | CN206625975U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107044415A (en) * | 2017-03-15 | 2017-08-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body structure and the compressor with it |
CN113027742A (en) * | 2021-03-31 | 2021-06-25 | 加西贝拉压缩机有限公司 | Electromagnetic variable volume device for adjusting effective cylinder volume of compressor |
-
2017
- 2017-03-15 CN CN201720251646.6U patent/CN206625975U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107044415A (en) * | 2017-03-15 | 2017-08-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body structure and the compressor with it |
CN107044415B (en) * | 2017-03-15 | 2019-08-06 | 珠海格力电器股份有限公司 | Pump body structure and compressor with same |
CN113027742A (en) * | 2021-03-31 | 2021-06-25 | 加西贝拉压缩机有限公司 | Electromagnetic variable volume device for adjusting effective cylinder volume of compressor |
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