CN205937113U - Helical -lobe compressor's organism, helical -lobe compressor and air conditioning unit - Google Patents
Helical -lobe compressor's organism, helical -lobe compressor and air conditioning unit Download PDFInfo
- Publication number
- CN205937113U CN205937113U CN201620756061.5U CN201620756061U CN205937113U CN 205937113 U CN205937113 U CN 205937113U CN 201620756061 U CN201620756061 U CN 201620756061U CN 205937113 U CN205937113 U CN 205937113U
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- oil
- helical
- lobe compressor
- unloading
- piston chamber
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Abstract
The utility model provides a helical -lobe compressor's organism, the organism has a rotor cavity, with the piston chamber that rotor cavity is linked together to and be used for helical -lobe compressor to add the uninstallation oil circuit that lubricating oil flows when unloading, be provided with the oil groove on the inner wall of piston chamber, the oil outlet has been seted up on the inner wall of oil groove, the oil outlet intercommunication the oil groove with the uninstallation oil circuit, during the helical -lobe compressor uninstallation lubricating oil in the uninstallation oil circuit can pass through the oil outlet enters into in the oil groove. Guarantee the greasy property between guiding valve and the piston chamber through seting up and uninstalling oil outlet and the oil groove that the oil circuit is linked together in the piston chamber, avoid because of helical -lobe compressor add that the uninstallation in -process leads to because of the lubricated not enough scotch problem that leads to, fully guarantee the reliability when helical -lobe compressor adds the uninstallation, convenient to use. The utility model also provides a helical -lobe compressor and air conditioning system.
Description
Technical field
This utility model is related to helical-lobe compressor apparatus field, more particularly to a kind of body of helical-lobe compressor, screw rod
Compressor and air conditioning unit.
Background technology
The capacity regulating of screw compressor is to be realized by the reciprocating motion of guiding valve.Guiding valve is in helical-lobe compressor
The guiding valve intracavity of housing axially adds unloading to realize capacity regulating along screw rotor repeatedly.For guaranteeing normal plus unloading, guiding valve
It is designed as micron order with the gap of piston chamber, guiding valve is only carried out by a small amount of lubricating oil of doping in air-breathing compression process cold-producing medium
Lubricate and to avoid dyskinesia.
But, actually because design gaps are less than normal, the manufacturing and positioning errors and lubrication factor such as not, guiding valve plus
Scratch between guiding valve and housing piston chamber occurs in uninstall process once in a while, impact helical-lobe compressor adds the reliability of unloading, and then
The serviceability of impact helical-lobe compressor.
Utility model content
Based on this it is necessary to for current helical-lobe compressor plus uninstall process in the guiding valve that leads to because of lack of lubrication with
The abrasive problem of piston chamber, provides a kind of it can be avoided that the guiding valve that leads to because of lack of lubrication and piston chamber scratch, ensureing screw rod pressure
Contracting machine adds the body of the helical-lobe compressor of the reliability of unloading, additionally provides a kind of body containing above-mentioned helical-lobe compressor simultaneously
Helical-lobe compressor, and air conditioning unit containing above-mentioned helical-lobe compressor.
Above-mentioned purpose is achieved through the following technical solutions：
A kind of body of helical-lobe compressor, described body has rotor chamber, the piston chamber being connected with described rotor chamber, with
And the unloading oil circuit of lubricating oil flow during unloading is added for helical-lobe compressor；
Oil groove is provided with the inwall of described piston chamber, the inwall of described oil groove offers oil outlet, described oil outlet
Connect described oil groove and described unloading oil circuit；
Lubricating oil in described unloading oil circuit during described helical-lobe compressor unloading can enter into institute by described oil outlet
State in oil groove.
Wherein in an embodiment, described piston chamber has tip with the intersection of described rotor chamber, described oil groove
Oil outlet is away from described tip.
Wherein in an embodiment, described unloading oil circuit linear type setting；
Or, described unloading oil circuit curved type setting.
Wherein in an embodiment, the curved setting of cross sectional shape of described oil groove, and described oil groove is along described body
Axial direction extend.
Wherein in an embodiment, described body has suction end and exhaust end, described suction end and described exhaust end
It is located at the both sides of described piston chamber respectively；
Described unloading oil circuit is connected with described suction end, and described suction end is mutually isolated with described exhaust end.
Wherein in an embodiment, the length of the axial direction along described body for the described oil groove is less than described piston chamber edge
The length of the axial direction of described body.
Wherein in an embodiment, the radius of the described oil groove of arc is 2 times～3 times of the radius of described oil outlet.
Wherein in an embodiment, described body is in that double-decker designs, outside described body at described piston chamber
Between the inwall of wall and described piston chamber, there is reinforcement；
Described reinforcement can support the outer wall of described piston chamber and described body.
Wherein in an embodiment, described unloading oil circuit has two unloading oilholes, and two described unloading oilholes are respectively
For the unloading oilhole presetting the unloading oilhole that load proportion is 75% and default load proportion is 50%；
The quantity of described oil groove is two, has an oil outlet, two described oil grooves are right respectively in each described oil groove
Answer two described unloading oilhole settings.
Wherein in an embodiment, described piston chamber is located at the top of described rotor chamber, and described unloading oil circuit is located at institute
State the top of piston chamber.
Wherein in an embodiment, described piston chamber is located at the lower section of described rotor chamber, and described unloading oil circuit is located at institute
State the lower section of piston chamber.
Further relate to a kind of helical-lobe compressor, including guiding valve, oily piston, oil cylinder and the spiral shell as described in any of the above-described technical characteristic
The body of bar compressor；
Described guiding valve is installed in described piston chamber, and one end of described guiding valve is installed described oil piston and is located at described oil cylinder
In, the unloading oil communication of described oil cylinder and described body；
Described oil piston moves in described oil cylinder and drives described sliding valve movement, enables described guiding valve by described screw rod
Lubricating oil in described oil cylinder during compressor unloading is transported in described unloading oil circuit.
Further relate to a kind of air conditioning unit, including the helical-lobe compressor as described in above-mentioned technical characteristic.
The beneficial effects of the utility model are：
The body of helical-lobe compressor of the present utility model, structure design advantages of simple, the inwall of the piston chamber of body sets
It is equipped with oil groove, and passes through oil outlet and unloading oil communication, so, helical-lobe compressor, when adding unloading operation, unloads in oil circuit
Lubricating oil can be entered in oil groove by oil outlet, and then the lubricating oil in oil groove can lubricate the guiding valve in piston chamber,
Avoid scratch between guiding valve and the inwall of piston chamber, reduce noise when helical-lobe compressor runs it is ensured that helical-lobe compressor runs
Steadily.The body of helical-lobe compressor of the present utility model by guiding valve intracavity open up with unload the oil outlet that oil circuit is connected and
Oil groove is ensureing the greasy property between guiding valve and piston chamber, it is to avoid because leading in helical-lobe compressor plus uninstall process because of lubrication
The scratching that deficiency leads to, fully ensures that helical-lobe compressor adds reliability during unloading, is easy to use.
Because the body of helical-lobe compressor has above-mentioned technique effect, include the screw rod of the body of above-mentioned helical-lobe compressor
Compressor also has corresponding technique effect.
Because helical-lobe compressor has above-mentioned technique effect, include the air conditioning unit of above-mentioned helical-lobe compressor and also there is phase
The technique effect answered.
Brief description
Fig. 1 is the front view of the body of helical-lobe compressor of this utility model one embodiment；
Fig. 2 is the axonometric chart in terms of a direction for the body of the helical-lobe compressor shown in Fig. 1；
Fig. 3 is the axonometric chart in terms of other direction for the body of the helical-lobe compressor shown in Fig. 1；
Fig. 4 is the partial enlarged drawing at the A shown in Fig. 3；
Fig. 5 is the sectional view at for the body of the helical-lobe compressor shown in Fig. 1；
Fig. 6 is the sectional view at another place for the body of the helical-lobe compressor shown in Fig. 5；
Wherein：
100- body；
110- rotor chamber；
120- piston chamber；
121- oil groove；1211- oil outlet；
130- reinforcement.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, by the following examples, and tie
Close accompanying drawing, to the body of helical-lobe compressor of the present utility model, helical-lobe compressor and air conditioning unit be further elaborated.
It should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
Referring to Fig. 1 to Fig. 6, this utility model provides a kind of body 100 of helical-lobe compressor, and this body 100 is applied to
In helical-lobe compressor.The body 100 of helical-lobe compressor of the present utility model ensure that the lubrication between guiding valve and piston chamber 120
Performance, it is to avoid helical-lobe compressor plus uninstall process in the abrasive problem of piston chamber 120 that leads to because of lack of lubrication it is ensured that screw rod
Compressor operating steadily, improves helical-lobe compressor and adds the reliability in uninstall process.
In this utility model, body 100 has rotor chamber 110, the piston chamber 120 being connected with rotor chamber 110, and
Unloading oil circuit for lubricating oil flow when helical-lobe compressor plus unloading.The rotor chamber 110 of body 100 is used to install screw rod pressure
The rotor of contracting machine, the guiding valve of helical-lobe compressor is arranged in piston chamber 120.The unloading operation that adds of helical-lobe compressor is by cunning
Come to realize, one end of guiding valve is provided with oily piston to valve, and oily piston is installed in oil cylinder.When helical-lobe compressor gradually loads, oil
Piston runs towards one end of oil cylinder, and to realize the load operating of helical-lobe compressor, now, oil cylinder is because pressure effect can be inhaled
Enter the lubricating oil in the oil sources of helical-lobe compressor, until oily piston is abutted with one end of oil cylinder, helical-lobe compressor is in fully loaded shape
State.When full load condition gradually unloads, oily piston runs helical-lobe compressor towards the other end of oil cylinder, to realize helical-lobe compressor
Unloading run, now, oily piston can by oil cylinder lubricating oil extrude, and make lubricating oil enter into unloading oil circuit in.
Oil groove 121 is provided with the inwall of piston chamber 120, the inwall of oil groove 121 offers oil outlet 1211, oil outlet
1211 connection oil grooves 121 and unloading oil circuit.Lubricating oil in unloading oil circuit during helical-lobe compressor unloading can pass through oil outlet
1211 enter in oil groove 121.That is, the oil outlet 1211 on body 100 can connect unloading oil circuit and oil groove 121,
Lubricating oil in oil cylinder can be pressed in unloading oil circuit by so helical-lobe compressor oily piston in unloading, then unloads oil circuit
In lubricating oil can enter in oil groove 121 through oil outlet 1211, the lubricating oil in oil groove 121 can lubricate piston chamber 120
In guiding valve, it is to avoid guiding valve abrade piston chamber 120 inwall.
This is because, when adding unloading operation, the guiding valve of helical-lobe compressor is because existing because of lack of lubrication meeting for helical-lobe compressor
Scratch piston chamber 120.Therefore, the body 100 of helical-lobe compressor of the present utility model ensure that helical-lobe compressor adds and unloads carrying
Greasy property between guiding valve and piston chamber 120 during row, using helical-lobe compressor plus unloading principles, when helical-lobe compressor is unloaded
The lubricating oil being emitted into the suction end of body 100 is needed to be incorporated in the piston chamber 120 of body 100, to lubricate guiding valve in oil cylinder
Avoid guiding valve scratch piston chamber 120 it is ensured that helical-lobe compressor adds the reliability of unloading.
The body 100 of helical-lobe compressor of the present utility model can make full use of the lubrication discharged during helical-lobe compressor unloading
Oil is so that this lubricating oil can lubricate guiding valve it is ensured that the greasy property between guiding valve and piston chamber 120 is not so that guiding valve is connecing
Touch or run in the case of contacting body 100 less, it is to avoid guiding valve occurs scratch piston chamber 120, and guiding valve can also be avoided to wipe simultaneously
Hinder the noise producing during piston chamber 120, and then the major accident such as guiding valve is stuck that avoids helical-lobe compressor to occur, thus ensureing screw rod
The operation of compressor long-term smooth.
At present, the capacity regulating of screw compressor is to be realized by the reciprocating motion of guiding valve.Guiding valve is in screw rod pressure
The guiding valve intracavity of the housing of contracting machine axially adds unloading to realize capacity regulating along screw rotor repeatedly.For guaranteeing normal plus unloading
Carry, the gap of guiding valve and piston chamber is designed as micron order, guiding valve only passes through a small amount of profit of doping in air-breathing compression process cold-producing medium
Lubricating oil is lubricated to avoid dyskinesia.But, actually because design gaps are less than normal, manufacturing and positioning errors and lubrication
The factor such as inadequate, guiding valve the scratch between guiding valve and housing piston chamber in adding uninstall process once in a while, affects helical-lobe compressor
Plus the reliability of unloading, and then affect the serviceability of helical-lobe compressor.
It is provided with oil groove 121 on the inwall of piston chamber 120 of the body 100 of helical-lobe compressor of the present utility model, and lead to
Cross oil outlet 1211 and unloading oil communication, so, lubricating oil energy when adding unloading operation, in unloading oil circuit for the helical-lobe compressor
Enough entered in oil groove 121 by oil outlet 1211, and then the lubricating oil in oil groove 121 can lubricate the cunning in piston chamber 120
Valve, it is to avoid abrade between the inwall of guiding valve and piston chamber 120, reduces noise when helical-lobe compressor runs it is ensured that screw compression
Machine operates steadily.The body 100 of helical-lobe compressor of the present utility model passes through to open up in piston chamber 120 and unloads oil circuit and be connected
Logical oil outlet 1211 and oil groove 121 are ensureing the greasy property between guiding valve and piston chamber 120, it is to avoid because of helical-lobe compressor plus
The scratching leading to because of lack of lubrication leading in uninstall process, fully ensures that helical-lobe compressor adds reliability during unloading,
It is easy to use.
As a kind of embodiment, the intersection of piston chamber 120 and rotor chamber 110 has a tip, oil groove 121 fuel-displaced
Hole 1211 is away from tip.That is, the central region of the inwall in oil groove 121 for the outlet of oil outlet 1211, oil outlet 1211
Outlet away from oil groove 121 marginal position, so can be easy to the flowing of lubricating oil, then be easy to oil lubrication piston chamber
Guiding valve in 120 so that guiding valve plus uninstall process in can sufficient lubrication it is ensured that lubrication between guiding valve and piston chamber 120
Performance.
Further, unloading oil circuit linear type setting.Certainly, unloading oil circuit can also curved type setting.In this reality
In new, unloading oil circuit is linear type setting.That is, oil outlet 1211 is straight-through oil circuit, so can reduce
The flow path of lubricating oil, so that lubricating oil can directly flow in oil groove 121 in unloading, is easy to lubricating oil flow, is entered
And ensureing greasy property, it is to avoid guiding valve abrades piston chamber 120 because of lack of lubrication, improves helical-lobe compressor and adds reliability during unloading
Property.
And, the guiding valve of helical-lobe compressor with respect to helical-lobe compressor rotor can on put, can be underlying, also
It can be side.When putting on guiding valve, piston chamber 120 is located at the top of rotor chamber 110, and now guiding valve is located at the top of rotor,
Unloading oil circuit is located at the top of piston chamber 120.When guiding valve is underlying, piston chamber 120 is located at the lower section of rotor chamber 110, now guiding valve
Positioned at the lower section of rotor, unload the lower section that oil circuit is located at piston chamber 120.During guiding valve side, piston chamber 120 is located at rotor chamber 110
The week side of boss, now guiding valve be located at rotor the week side of boss.
In this utility model, guiding valve be on put, corresponding unloading oil circuit be located at piston chamber 120 top.So, spiral shell
In unloading, the lubricating oil in oil cylinder can be pressed in unloading oil circuit bar compressor, and lubricating oil flows in unloading oil circuit
When, when lubricating oil flows at oil-out, lubricating oil can flow in oil outlet 1211 under self gravitation effect, and enter into oil
In groove 121, to realize the guiding valve in lubrication piston chamber 120 it is ensured that helical-lobe compressor operates steadily.
As a kind of embodiment, the curved setting of cross sectional shape of oil groove 121, and oil groove 121 is along the axle of body 100
Extend to direction.Cross sectional shape is that the oil groove 121 of arc can be easy to lubricating oil flow so that lubricating oil can be along arc table
Face flow on the guiding valve in piston chamber 120, it is to avoid lubricating oil droplet dew causes to splash it is ensured that lubricant effect.
Further, body 100 has suction end and exhaust end, and suction end and exhaust end are located at piston chamber 120 respectively
After two side sliding valves are installed in piston chamber 120, suction end is mutually isolated with exhaust end, and that is, suction end is not connected with exhaust end.Spiral shell
During bar compressor operating, the air in external environment enters into the rotor in rotor chamber 110, in rotor chamber 110 by suction end
After compressed air, discharged by exhaust end.And, unload oil circuit to be connected with suction side.
Yet further, the length of the axial direction along body 100 for the oil groove 121 is less than piston chamber 120 along the axle of body 100
Length to direction.And, under the premise of ensureing that suction end and exhaust end are disconnected, the length in axial direction of oil groove 121
The length that degree should be tried one's best, the contact area so enabling between the guiding valve in oil groove 121 and piston chamber 120 is larger, is easy to
Oil lubrication guiding valve in oil groove 121, can make guiding valve plus uninstall process in sufficient lubrication so that guiding valve not with piston chamber
120 inwall contacts, it is to avoid scratch piston chamber 120, it is ensured that helical-lobe compressor operates steadily, improves helical-lobe compressor and adds unloading
When reliability.
Further, the radius of the oil groove 121 of arc is 2 times～3 times of the radius of oil outlet 1211.This makes it possible to protect
The amount of the lubricating oil in card oil groove 121, meets the lubrication needs of guiding valve.If the diameter of oil outlet 1211 is excessive, oil outlet 1211
In the flow velocity of lubricating oil and flow all can increase, lubricating oil in oil groove 121 so can be led to excessive, cause piston chamber 120
Hydrops, affects lubricant effect.If the diameter of oil outlet 1211 is too small, the flow velocity of the lubricating oil in oil outlet 1211 and flow all can
Reduce, the oil mass of the lubricating oil in oil groove 121 so can be led to be difficult it is impossible to reach perfect lubrication guiding valve.
As a kind of embodiment, body 100 at piston chamber 120 be in double-decker design, the outer wall of body 100 with
There is between the inwall of piston chamber 120 reinforcement 130.Reinforcement 130 can support the outer wall of piston chamber 120 and body 100.Machine
Body 100 can be single layer structure or double-decker.If body 100 can be single layer structure, the outer wall of body 100
There is not cavity and the inwall of piston chamber 120 between, can directly open up oilhole connection unloading oil circuit and oil groove 121.If body
100 can be double-decker, then there is cavity between the inwall of the outer wall of body 100 and piston chamber 120, now, in body 100
Outer wall and the inwall of piston chamber 120 between increase reinforcement 130, reinforcement 130 can strengthen piston chamber 120 and body 100
Outside between bonding strength, improve body 100 reliability, oil outlet can also be opened up in reinforcement 130 simultaneously
1211, it is easy to lubricating oil flow.
In this utility model, unloading oil circuit has two unloading oilholes, and two unloading oilholes are respectively default duty ratio
The unloading oilhole for 75% for the example and unloading oilhole that default load proportion is 50%.The quantity of oil groove 121 is two, each oil groove
There is in 121 an oil outlet 1211, two oil grooves 121 correspond to two unloading oilhole settings respectively.That is, unloading oil circuit
Correspondence position in guiding valve unloading 75% has a unloading oilhole, the corresponding position in guiding valve unloading 50% for the unloading oil circuit
Put and there is another unloading oilhole, two unloading oilholes are connected with corresponding oil outlet 1211 respectively, and are communicated in oil groove 121,
Can be flowed in oil groove 121 with realizing the lubricating oil in unloading oil circuit.
When guiding valve unloads, oily piston from the lubricating oil oil cylinder can be pressed into unloading oil circuit in.Oily piston is full
Gradually unload under load state, when being unloaded to 75% and 50% position, lubricating oil can enter oil groove 121 along oil outlet 1211
In, to lubricate guiding valve it is ensured that greasy property between guiding valve and piston chamber 120.
In an embodiment of the present utility model, body 100 is single layer structure, now, body 100 directly opens up fuel-displaced
Hole 1211 connection unloading oil circuit and oil groove 121.In another embodiment of the present utility model, body 100 is double-decker, and
And, the quantity of reinforcement 130 is two, corresponds to two oil grooves 121 respectively, and opens up oil outlet 1211 in reinforcement 130, with
Realize lubrication guiding valve.
This utility model additionally provides a kind of helical-lobe compressor, including in guiding valve, oily piston, oil cylinder and above-described embodiment
The body 100 of helical-lobe compressor.Guiding valve is installed in piston chamber 120, and one end of guiding valve is installed oily piston and is located in oil cylinder, oil
Cylinder and the unloading oil communication of body 100.Oily piston moves in oil cylinder and can drive sliding valve movement, enables guiding valve by screw rod
Lubricating oil in oil cylinder during compressor unloading is transported in unloading oil circuit.Further relate to a kind of air conditioning unit, including such as above-mentioned technology
The helical-lobe compressor of feature.
Helical-lobe compressor of the present utility model open up in the piston chamber 120 of body 100 by with unloading oil communication
Oil outlet 1211 and oil groove 121 are so that the lubricating oil in unloading for the helical-lobe compressor can enter into oil groove by unloading oil circuit
It is ensured that lubricating oil in oil groove 121 being capable of sufficient lubrication guiding valve and piston chamber 120 in 121, it is to avoid wipe because valve spool lubrication is not enough
Hinder piston chamber 120, fully ensure that helical-lobe compressor adds the reliability of unloading it is ensured that helical-lobe compressor operates steadily.
This utility model additionally provides a kind of air conditioning system, including the helical-lobe compressor in above-described embodiment.Air conditioning system
It is prior art in addition to helical-lobe compressor, here does not just repeat one by one.Air conditioning system of the present utility model passes through screw compression
Machine ensures serviceability, is easy to use.
Embodiment described above only have expressed several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that it is common for this area
For technical staff, without departing from the concept of the premise utility, some deformation can also be made and improve, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.
Claims (13)
1. a kind of body of helical-lobe compressor is it is characterised in that described body（100）There is rotor chamber（110）, with described rotor
Chamber（110）The piston chamber being connected（120）, and the unloading oil circuit adding lubricating oil flow during unloading for helical-lobe compressor；
Described piston chamber（120）Inwall on be provided with oil groove（121）, described oil groove（121）Inwall on offer oil outlet
（1211）, described oil outlet（1211）Connect described oil groove（121）With described unloading oil circuit；
Lubricating oil in described unloading oil circuit during described helical-lobe compressor unloading can pass through described oil outlet（1211）Enter into
Described oil groove（121）In.
2. the body of helical-lobe compressor according to claim 1 is it is characterised in that described piston chamber（120）With described turn
Sub- chamber（110）Intersection there is tip, described oil groove（121）Oil outlet（1211）Away from described tip.
3. the body of helical-lobe compressor according to claim 1 is it is characterised in that the linear type of described unloading oil circuit sets
Put；
Or, described unloading oil circuit curved type setting.
4. the body of the helical-lobe compressor according to any one of claims 1 to 3 is it is characterised in that described oil groove（121）'s
The curved setting of cross sectional shape, and described oil groove（121）Along described body（100）Axial direction extend.
5. the body of helical-lobe compressor according to claim 4 is it is characterised in that described body（100）There is suction end
And exhaust end, described suction end and described exhaust end are located at described piston chamber respectively（120）Both sides；
Described unloading oil circuit is connected with described suction end, and described suction end is mutually isolated with described exhaust end.
6. the body of helical-lobe compressor according to claim 5 is it is characterised in that described oil groove（121）Along described body
（100）Axial direction length be less than described piston chamber（120）Along described body（100）Axial direction length.
7. the body of helical-lobe compressor according to claim 6 is it is characterised in that the described oil groove of arc（121）Half
Footpath is described oil outlet（1211）2 times ~ 3 times of radius.
8. the body of helical-lobe compressor according to claim 1 is it is characterised in that described body（100）In described guiding valve
Chamber（120）Place design, described body in double-decker（100）Outer wall and described piston chamber（120）Inwall between have plus
Strong muscle（130）；
Described reinforcement（130）Described piston chamber can be supported（120）With described body（100）Outer wall.
9. the body of helical-lobe compressor according to claim 1 is it is characterised in that described unloading oil circuit has two unloadings
Oilhole, two described unloading oilholes are respectively the unloading oilhole that default load proportion is 75% and default load proportion is 50% unloads
Carry oilhole；
Described oil groove（121）Quantity be two, each described oil groove（121）In there is an oil outlet（1211）, two institutes
State oil groove（121）Correspond to two described unloading oilhole settings respectively.
10. the body of helical-lobe compressor according to claim 9 is it is characterised in that described piston chamber（120）Positioned at described
Rotor chamber（110）Top, described unloading oil circuit be located at described piston chamber（120）Top.
The body of 11. helical-lobe compressors according to claim 9 is it is characterised in that described piston chamber（120）Positioned at described
Rotor chamber（110）Lower section, described unloading oil circuit be located at described piston chamber（120）Lower section.
A kind of 12. helical-lobe compressors are it is characterised in that include guiding valve, oily piston, oil cylinder and as any one of claim 1 to 11
The body of described helical-lobe compressor（100）；
Described guiding valve is installed on described piston chamber（120）In, one end of described guiding valve is installed described oil piston and is located at described oil
In cylinder, described oil cylinder and described body（100）Unloading oil communication；
Described oil piston moves in described oil cylinder and drives described sliding valve movement, enables described guiding valve by described screw compression
Lubricating oil in described oil cylinder during machine unloading is transported in described unloading oil circuit.
13. a kind of air conditioning unit it is characterised in that including helical-lobe compressor as claimed in claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620756061.5U CN205937113U (en) | 2016-07-15 | 2016-07-15 | Helical -lobe compressor's organism, helical -lobe compressor and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620756061.5U CN205937113U (en) | 2016-07-15 | 2016-07-15 | Helical -lobe compressor's organism, helical -lobe compressor and air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205937113U true CN205937113U (en) | 2017-02-08 |
Family
ID=57929386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620756061.5U Withdrawn - After Issue CN205937113U (en) | 2016-07-15 | 2016-07-15 | Helical -lobe compressor's organism, helical -lobe compressor and air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205937113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014983A (en) * | 2016-07-15 | 2016-10-12 | 珠海格力电器股份有限公司 | Body of screw compressor, screw compressor and air conditioning unit |
-
2016
- 2016-07-15 CN CN201620756061.5U patent/CN205937113U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014983A (en) * | 2016-07-15 | 2016-10-12 | 珠海格力电器股份有限公司 | Body of screw compressor, screw compressor and air conditioning unit |
| CN106014983B (en) * | 2016-07-15 | 2018-02-09 | 珠海格力电器股份有限公司 | Body, helical-lobe compressor and the air-conditioner set of helical-lobe compressor |
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Granted publication date: 20170208 Effective date of abandoning: 20180209 |