Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, the utility model carries
Go out a kind of compression mechanism for screw compressor, the frictional dissipation of the compression mechanism is small and noise is small.
Another purpose of the present utility model is to propose a kind of screw compressor with compression mechanism.
According to the compression mechanism for screw compressor of the utility model embodiment, there is oil in the screw compressor
Pond, the compression mechanism include:Mainframe, the mainframe are provided with two keyways;Orbiter, the orbiter are located at
On the mainframe;Fixed scroll, the fixed scroll engage with the orbiter;Slip ring, the slip ring are located at the master
Between frame and the orbiter, the slip ring is provided with adjacent to the end face of the mainframe matches somebody with somebody with two keyways respectively
Two convex keys closed;Bent axle, the upper end of the bent axle coordinate through the mainframe and the orbiter, set in the bent axle
There is oil supply gallery, the oil supply gallery has inlet and outlet, and the import connects with the oil sump;With the first fuel feeding branch road,
The first fuel feeding branch road is located on the orbiter, and the first fuel feeding branch road and the outlet, described first supplies
Oily branch road is configured to be suitable to connect with least one keyway in two keyways with described in into two keyways
Fuel feeding at least one keyway.
According to the compression mechanism for screw compressor of the utility model embodiment, by set on orbiter with
First fuel feeding branch road of at least one keyway connection of mainframe, lubricating oil is oriented on mainframe by the first fuel feeding branch road
Keyway, so as to lubricate the mating surface between the convex key of slip ring and the keyway of mainframe, reduce between convex key and keyway
Frictional dissipation, the noise of compression mechanism is reduced, improve the reliability of compression mechanism.
According to some embodiments of the utility model, groove, the first fuel feeding branch are communicated between two keyways
Road intermittently connects with the connectivity slot.
Specifically, the orbiter is provided with the first fuel feed hole and the first oil outlet, one end of first fuel feed hole
Connected with the inlet communication, the other end with the first fuel feeding branch road, one end of first oil outlet supplies with described first
Oily branch road connection, the other end intermittently connect with the connectivity slot.
According to some embodiments of the utility model, the connectivity slot is downwardly concaved shape by the upper surface of the mainframe
Into.
Specifically, it is provided with first throttle device in the first fuel feeding branch road.
According to some embodiments of the utility model, the lower surface on the fixed scroll is provided with oil groove, the dynamic whirlpool
Capstan is provided with the second fuel feeding branch road, the inlet communication of the second fuel feeding branch road and the oil supply gallery, and described second
Fuel feeding branch road is configured to the fuel feeding into the oil groove.
Alternatively, the second fuel feeding branch road intermittently connects with the oil groove.
According to some embodiments of the utility model, the orbiter is provided with the second fuel feed hole and the second oil outlet,
One end of second fuel feed hole connects with the inlet communication, the other end with the second fuel feeding branch road, and described second is fuel-displaced
The one end in hole connects with the second fuel feeding branch road, the other end intermittently connects with the oil groove.
Further, it is provided with second throttling device in the second fuel feeding branch road.
It is used for whirlpool according to the screw compressor of the utility model embodiment, including according to the utility model above-described embodiment
Revolve the compression mechanism of compressor.
According to the screw compressor of the utility model embodiment, by setting the pressure according to the utility model above-described embodiment
Contracting mechanism, reduces the frictional dissipation of screw compressor, and reduces the noise of screw compressor.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
"front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " axial direction ", " radial direction ", " circumference " etc. refer to
The orientation or position relationship shown be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplify description, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific azimuth configuration
And operation, therefore it is not intended that to limitation of the present utility model.In addition, define " first ", the feature of " second " can be with bright
Show or implicitly include one or more this feature.In description of the present utility model, unless otherwise indicated, " multiple "
It is meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The compression mechanism for screw compressor 100 below with reference to Fig. 1-Fig. 6 descriptions according to the utility model embodiment.
Wherein, there is oil sump 101 in screw compressor 100.Specifically, oil sump 101 can be located at the bottom of screw compressor 100.
As shown in figure 1, included according to the compression mechanism for screw compressor 100 of the utility model one embodiment:
Mainframe 1, orbiter 2, fixed scroll 3, slip ring 4, the fuel feeding branch road 21 of bent axle 5 and first.Wherein, mainframe 1 is provided with two
Individual keyway 11, orbiter 2 are located on mainframe 1, and fixed scroll 3 engages with orbiter 2.Slip ring 4 is located at mainframe 1 and moved
Between scroll plate 2, slip ring 4 adjacent to the end face of mainframe 1 (for example, lower surface in Fig. 1) be provided with respectively with two keyways 11
Two convex keys 41 coordinated, each convex key 41 are respectively protruding into corresponding keyway 11.Alternatively, slip ring 4 is cross slip-ring.
The upper end of bent axle 5 coordinates through mainframe 1 with orbiter 2.Oil supply gallery 51, oil supply gallery are provided with bent axle 5
51 have inlet and outlet, and the import of oil supply gallery 51 is connected with oil sump 101, and the outlet of oil supply gallery 51 can be formed in bent axle
5 top.First fuel feeding branch road 21 is located on orbiter 2, the outlet of the first fuel feeding branch road 21 and oil supply gallery 51, the
One fuel feeding branch road 21 is configured to be suitable to connect with into two keyways 11 with least one keyway 11 in two keyways 11
Fuel feeding at least one keyway 11.For example, in some embodiments of the utility model, the first fuel feeding branch road 21 is suitable to and two
Wherein any one keyway 11 in keyway 11 is connected with to above-mentioned fuel feeding wherein in any one keyway 11;And for example, in this reality
With in other new embodiments, the first fuel feeding branch road 21 is suitable to connect with two keyways 11 to supply into two keyways 11
Oil.
Specifically, oil guide piece 52 is provided with bent axle 5, the lower end of oil guide piece 52 is stretched into oil sump 101, and bent axle 5 is led when rotating
Oil sheet 52 rotates with bent axle 5, and the lubricating oil in oil sump 101 leads in the presence of centrifugal force and pressure difference from oil sump 101 into fuel feeding
Road 51, and the first fuel feeding branch road 21 is flowed to from the outlet of oil supply gallery 51, then flow to the keyway connected with the first fuel feeding branch road 21
11.Thus, it is possible to by the first fuel feeding branch road 21 by lubricating oil be oriented to mainframe 1 on keyway 11, so as to lubricate slip ring 4
Convex key 41 and mainframe 1 keyway 11 between mating surface, reduce the frictional dissipation between convex key 41 and keyway 11, reduce
The noise of compression mechanism, improve the reliability of compression mechanism.
According to the compression mechanism for screw compressor 100 of the utility model embodiment, by being set on orbiter 2
The the first fuel feeding branch road 21 connected with least one keyway 11 of mainframe 1 is put, is led lubricating oil by the first fuel feeding branch road 21
To the keyway 11 on mainframe 1, so as to lubricate the mating surface between the convex key 41 of slip ring 4 and the keyway 11 of mainframe 1, subtract
Small frictional dissipation between convex key 41 and keyway 11, the noise of compression mechanism is reduced, improve the reliability of compression mechanism.
According to some embodiments of the utility model, groove 12, the first fuel feeding branch road 21 are communicated between two keyways 11
Intermittently connected with connectivity slot 12, that is to say, that the first fuel feeding branch road 21 is not to keep connecting with connectivity slot 12 all the time.
Thus, it is possible to which lubricating oil is oriented into connectivity slot 12 by the first fuel feeding branch road 21, two keyways 11 so are flowed to from connectivity slot 12, from
And lubricating oil easily can be oriented to two keyways 11, lubricant effect is effectively improved, and it is simple in construction, it is easy to process.
Meanwhile intermittently connected with connectivity slot 12 by the first fuel feeding branch road 21, the interval of the first fuel feeding branch road 21 can be passed through
Property into connectivity slot 12 fuel feeding, so as to efficiently control the amount for flowing to the lubricating oil in keyway 11, avoid lubricating oil
It is excessive to overflow keyway 11.
Alternatively, connectivity slot 12 can form deep-slotted chip breaker such as arc-shaped slot.Connectivity slot 12 can be by the upper end of mainframe 1
Recessed formation downwards, it is simple in construction, it is easy to process.
Specifically, reference picture 1 and Fig. 2 being combined, orbiter 2 is provided with the first fuel feed hole 22 and the first oil outlet 23, and
One end (for example, lower end in Fig. 1) of one fuel feed hole 22 and inlet communication, the other end of the first fuel feed hole 22 of oil supply gallery 51
(for example, upper end in Fig. 1) connects with the first fuel feeding branch road 21, one end (for example, upper end in Fig. 1) of the first oil outlet 23 with
First fuel feeding branch road 21 connects, the other end of the first oil outlet 23 (for example, lower end in Fig. 1) intermittently connects with connectivity slot 12
It is logical.
For example, when compression mechanism is run, when orbiter 2 moves at least the one of the above-mentioned other end of the first oil outlet 23
Partly during the position relative with connectivity slot 12, the first fuel feeding branch road 21 connects with connectivity slot 12, can now pass through the first fuel feeding
Lubricating oil is oriented to connectivity slot 12 by branch road 21;When orbiter 2 moves to the above-mentioned other end and connectivity slot of the first oil outlet 23
12 stagger completely position when, the above-mentioned other end of the first oil outlet 23 and the end face of mainframe 1 are only supported, now the first fuel feeding branch
Road 21 does not connect with connectivity slot 12.Thus, it is possible to easily intermittently connect the first fuel feeding branch road 21 with connectivity slot 12, lead to
The first fuel feeding branch road 21 intermittently fuel feeding into connectivity slot 12 is crossed, so as to efficiently control the lubrication flowed in keyway 11
The amount of oil, avoids lubricating oil and excessively overflows keyway 11.
According to some specific embodiments of the present utility model, the first fuel feeding branch road 21 can be arranged on the disk of orbiter 2
Internal and radially extending along the disk body of orbiter 2, the first fuel feed hole 22 and the first oil outlet 23 can be along the disk bodies of orbiter 2
Axial direction (for example, above-below direction in Fig. 1) extension.Thus, it is possible to shorten the flow path of lubricating oil and lubrication can be reduced
The flow resistance of oil, reduce the energy consumption of compression mechanism.
Further, it is provided with first throttle device 24 in the first fuel feeding branch road 21.First throttle device 24 can be throttling
Bar 24 etc..Thus, it is possible to carry out reducing pressure by regulating flow to the lubricating oil in the first fuel feeding branch road 21 by first throttle device 24, reduce
Flow to the pressure of the lubricating oil of keyway 11.
According to some embodiments of the utility model, the lower surface on fixed scroll 3 is provided with oil groove 31, orbiter 2
The second fuel feeding branch road 25, the second fuel feeding branch road 25 and the inlet communication of oil supply gallery 51 are provided with, the second fuel feeding branch road 25 is by structure
Cause to be suitable to connect with oil groove 31 with the fuel feeding into oil groove 31.Reference picture 5, oil groove 31 can be by the lower ends of the disk body of fixed scroll 3
Recessed formation upwardly.Alternatively, oil groove 31 can form circular arc, but not limited to this.Thus, it is possible to pass through the second fuel feeding branch
Lubricating oil is oriented to the oil groove 31 on fixed scroll 3 by road 25, so as to lubricate matching somebody with somebody between fixed scroll 3 and orbiter 2
Conjunction face, frictional dissipation is further reduced, reduce the noise of compression mechanism, improve the reliability of compression mechanism.
For example, when compression mechanism works, the lubricating oil in oil sump 101 can enter oil supply gallery 51, and from oil supply gallery
51 outlet is divided into two-way and flows to the first fuel feeding branch road 21 and the second fuel feeding branch road 25 respectively, then, in the first fuel feeding branch road 21
Lubricating oil can flow to the keyway 11 of mainframe 1, the lubricating oil in the second fuel feeding branch road 25 can be flowed on fixed scroll 3
Oil groove 31.Thus, it is possible to by the first fuel feeding branch road 21 into the keyway 11 on mainframe 1 fuel feeding, pass through the second fuel feeding branch road
25, to the fuel feeding of oil groove 31 on fixed scroll 3, reduce frictional dissipation in compression mechanism running, reduce compression mechanism
Noise, improve the reliability of compression mechanism.
Alternatively, the second fuel feeding branch road 25 intermittently connects with oil groove 31.That is, the second fuel feeding branch road 25 is not
It is to keep connecting with even oil groove 31 all the time.Thus, it is possible to by the second fuel feeding branch road 25 intermittently fuel feeding into oil groove 31,
So as to efficiently control the amount for flowing to the lubricating oil in oil groove 31, avoid lubricating oil it is excessive caused by waste.
According to some embodiments of the utility model, orbiter 2 is provided with the second fuel feed hole 26 and the second oil outlet 27,
One end (for example, lower end in Fig. 1) of second fuel feed hole 26 and the inlet communication of oil supply gallery 51, the second fuel feed hole 26 it is another
End (for example, upper end in Fig. 1) connects with the second fuel feeding branch road 25, one end (for example, lower end in Fig. 1) of the second oil outlet 27
Connected with the second fuel feeding branch road 25, the other end of the second oil outlet 27 (for example, upper end in Fig. 1) intermittently connects with oil groove 31
It is logical.
For example, when compression mechanism is run, when orbiter 2 moves at least the one of the above-mentioned other end of the second oil outlet 27
Partly during the position relative with oil groove 31, the second fuel feeding branch road 25 connects with oil groove 31, can now pass through the second fuel feeding branch road
Lubricating oil is oriented to oil groove 31 by 25;When orbiter 2 move to the second oil outlet 27 the above-mentioned other end and oil groove 31 it is completely wrong
During the position opened, the above-mentioned other end of the second oil outlet 27 and the end face of fixed scroll 3 are only supported, now the second fuel feeding branch road 25 with
Oil groove 31 does not connect.Thus, it is possible to easily the second fuel feeding branch road 25 is intermittently connected with oil groove 31, so as to pass through
The second fuel feeding branch road 25 intermittently fuel feeding into oil groove 31, so as to efficiently control the lubricating oil flowed in oil groove 31
Amount, avoid lubricating oil it is excessive caused by waste.
According to some specific embodiments of the present utility model, the second fuel feeding branch road 25 can be arranged on the disk of orbiter 2
Internal and radially extending along the disk body of orbiter 2, the second fuel feed hole 26 and the second oil outlet 27 can be along the disk bodies of orbiter 2
Axial direction (for example, above-below direction in Fig. 1) extension.Thus, it is possible to shorten the flow path of lubricating oil and lubrication can be reduced
The flow resistance of oil, reduce the energy consumption of compression mechanism.
Further, it is provided with second throttling device 28 in the second fuel feeding branch road 25.Second throttling device 28 can be throttling
Bar 24 etc..Thus, it is possible to carry out reducing pressure by regulating flow to the lubricating oil in the second fuel feeding branch road 25 by second throttling device 28, reduce
Flow to the pressure of the lubricating oil of oil groove 31.
According to the compression mechanism for screw compressor 100 of the utility model embodiment other are common for this area
All it is known for technical staff, is not detailed herein.
According to the screw compressor 100 of the utility model embodiment, including the use according to the utility model above-described embodiment
In the compression mechanism of screw compressor 100.
According to the screw compressor 100 of the utility model embodiment, by setting according to the utility model above-described embodiment
Compression mechanism, reduce the frictional dissipation of screw compressor 100, and reduce the noise of screw compressor 100.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present utility model.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.Moreover, description specific features, structure, material or
Person's feature can combine in an appropriate manner in any one or more embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.