CN104421157B - Compressor and slide valve gear thereof - Google Patents
Compressor and slide valve gear thereof Download PDFInfo
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- CN104421157B CN104421157B CN201310379484.0A CN201310379484A CN104421157B CN 104421157 B CN104421157 B CN 104421157B CN 201310379484 A CN201310379484 A CN 201310379484A CN 104421157 B CN104421157 B CN 104421157B
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- Prior art keywords
- guiding valve
- interior volume
- specific ratio
- volume specific
- energy adjustment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/10—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
- F04C28/12—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a kind of slide valve gear, including energy adjustment guiding valve, interior volume specific ratio guiding valve, interior volume specific ratio guiding valve guide block, drive the interior volume specific ratio guiding valve guide rod that interior volume specific ratio guiding valve moves and the energy adjustment guide rod driving energy adjustment guiding valve to move；Interior volume specific ratio guiding valve has the first chute, and energy adjustment guiding valve is embedded in the first chute, and the inner surface of the first chute matches with the outer surface of energy adjustment guiding valve, and the groove bottom of the first chute is provided with by-pass port；Interior volume specific ratio guiding valve is connected by head rod is fixing with interior volume specific ratio guiding valve guide block, and interior volume specific ratio guiding valve forms air vent with interior volume specific ratio guiding valve guide block；Interior volume specific ratio guiding valve guide rod is arranged on interior volume specific ratio guiding valve or interior volume specific ratio guiding valve guide block.The slide valve gear that the present invention provides, has regulation energy and the effect of regulation interior volume specific ratio, and, efficiently reduce the gas leak amount of compression chamber, improve degree of regulation.Present invention also offers a kind of compressor with above-mentioned slide valve gear.
Description
Technical field
The present invention relates to compressor apparatus technical field, particularly to a kind of compressor and slide valve gear thereof.
Background technology
In screw compressor, by the regulation of slide valve gear, reach to regulate the volume flow in compressor.
It is widely used in screw compressor.
At present, the slide valve gear being applied in screw compressor mainly has two kinds: the first is single guiding valve
Structure, the size of its by-pass port is unadjustable, hence in so that the interior volume specific ratio of compressor can only be fixing
Value, and compressor can not be carried out best content and amass the regulation of ratio so that degree of regulation declines；The second
Being double slide valve structure, two parallel slide valves have contact surface, are bypassed by the size adjustment of regulation contact surface
The size of mouth, then reach to regulate the effect of energy by common slip of two guiding valves, but, two cunnings
The area that valve accounts for housing screw rod sealing surface is relatively big, leaks out between the gas of compression chamber contact surface the most again,
Make degree of regulation relatively low.
Therefore, energy and regulation interior volume specific ratio how are regulated；Reduce the gas leak amount of compression chamber, improve
Degree of regulation, it has also become those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of slide valve gear, to regulate energy and regulation interior volume specific ratio；
Reduce the gas leak amount of compression chamber, improve degree of regulation.Present invention also offers one and there is above-mentioned cunning
The compressor of valve gear.
For achieving the above object, the present invention provides following technical scheme:
A kind of slide valve gear include energy adjustment guiding valve, interior volume specific ratio guiding valve, interior volume specific ratio guiding valve guide block,
Drive interior volume specific ratio guiding valve guide rod that described interior volume specific ratio guiding valve moves and drive described energy adjustment guiding valve to move
Dynamic energy adjustment guide rod；
Described interior volume specific ratio guiding valve has the first chute, and it is sliding that described energy adjustment guiding valve is embedded in described first
In groove, the inner surface of described first chute matches with the outer surface of described energy adjustment guiding valve, and described
The groove bottom of one chute is provided with by-pass port；
Described interior volume specific ratio guiding valve is connected by head rod is fixing with described interior volume specific ratio guiding valve guide block,
Described interior volume specific ratio guiding valve forms air vent with described interior volume specific ratio guiding valve guide block；
Described interior volume specific ratio guiding valve guide rod is arranged at described interior volume specific ratio guiding valve or described interior volume specific ratio guiding valve is led
On block.
Preferably, in above-mentioned slide valve gear, also include energy adjustment guiding valve guide block；
Described interior volume specific ratio guiding valve guide block has the second chute, and described regulating slide valve guide block is embedded in described
In two chutes, the inner surface of described second chute coordinates with the outer surface of described energy adjustment guiding valve guide block；
Described energy adjustment guiding valve is connected by the second connecting rod is fixing with described energy adjustment guiding valve guide block；
Described energy adjustment guide rod is arranged at described energy adjustment guiding valve or described energy adjustment guiding valve guide block
On.
Preferably, in above-mentioned slide valve gear, described interior volume specific ratio guiding valve is near described interior volume specific ratio guiding valve
The first exhaust face of guide block and described energy adjustment guiding valve are near the second row of described energy adjustment guiding valve guide block
Gas face is parallel；
Described interior volume specific ratio guiding valve guide block is adjusted with described energy near the first end face of described interior volume specific ratio guiding valve
Joint guiding valve guide block is parallel near the second end face of described energy adjustment guiding valve.
Preferably, in above-mentioned slide valve gear, described head rod and the length of described second connecting rod
Identical；
Described first exhaust face is equal to described second to the ultimate range of the groove sidewall of described interior volume specific ratio guiding valve
Deflation area is to the ultimate range of the sidewall of described energy adjustment guiding valve.
Preferably, in above-mentioned slide valve gear, described interior volume specific ratio guiding valve, described interior volume specific ratio guiding valve are led
Block and described head rod are integral type structure；
Described energy adjustment guiding valve, described energy adjustment guiding valve guide block and described second connecting rod are integral type
Structure.
Preferably, in above-mentioned slide valve gear, the first inner surface of described energy adjustment guiding valve, described in
Volume-ratio slide valve the second inner surface, the 3rd inner surface of described energy adjustment guiding valve guide block and described internal volume
It is arc surface and all on the second curved surface than the 4th inner surface of guiding valve guide block.
Preferably, in above-mentioned slide valve gear, described first inner surface, described second inner surface, described
The radian of the 3rd inner surface and described 4th inner surface is all higher than 90 °.
Preferably, in above-mentioned slide valve gear, the first outer surface of described energy adjustment guiding valve and described the
First groove inwall of one chute is arc surface, and the first outer surface is identical with the diameter of described first groove inwall
And arranged concentric；
Second outer surface of described energy adjustment guiding valve guide block is with the second groove inwall of described second chute
Arc surface, the second outer surface is identical with the diameter of described second groove inwall and arranged concentric；
Described first outer surface and described second outer surface arranged concentric.
Preferably, in above-mentioned slide valve gear, described interior volume specific ratio guiding valve outer surface and described interior volume specific ratio
The outer surface of guiding valve guide block is arc surface；Described interior volume specific ratio guiding valve outer surface is sliding with described interior volume specific ratio
The outer surface of valve guide is all on first surface.
Preferably, in above-mentioned slide valve gear, described interior volume specific ratio guiding valve outer surface and described interior volume specific ratio
The outer surface radian of guiding valve guide block is all higher than 90 °.
Preferably, in above-mentioned slide valve gear, described interior volume specific ratio guiding valve guide block is away from described interior volume specific ratio
Second chute end of guiding valve is provided with side wall, and described interior volume specific ratio guiding valve guide rod is arranged at described side
On wall；
Described energy adjustment guide rod is arranged on described energy adjustment guiding valve guide block.
Preferably, in above-mentioned slide valve gear, described interior volume specific ratio guiding valve guide rod is and described second chute
The sleeve guide rod being connected, described energy adjustment leader casing is located at inside described interior volume specific ratio guiding valve guide rod.
Preferably, in above-mentioned slide valve gear, described interior volume specific ratio guiding valve is provided with sliding with described first
The case follower guide rod of groove connection；
It is provided with housing inner guide on described energy adjustment guiding valve；
Described housing inner guide is sheathed on inside described case follower guide rod.
Preferably, in above-mentioned slide valve gear, described energy adjustment guide rod is led with described energy adjustment guiding valve
Block is threaded；
Described housing inner guide is threadeded with described energy adjustment guiding valve；
Described interior volume specific ratio guiding valve guide rod is threadeded with described interior volume specific ratio guiding valve guide block.
Preferably, in above-mentioned slide valve gear, described case follower guide rod with described interior volume specific ratio guiding valve is
Integral structure.
Preferably, in above-mentioned slide valve gear, it is characterised in that described by-pass port is square orifice, described
The energy adjustment guiding valve relative glide direction with described interior volume specific ratio guiding valve and the bearing of trend of described square orifice
Identical.
Preferably, in above-mentioned slide valve gear, one end of described by-pass port and the groove side of described first chute
Wall aligns.
Present invention also offers a kind of compressor, have slide valve gear, described slide valve gear is such as above-mentioned
One described slide valve gear.
From above-mentioned technical scheme it can be seen that the present invention provide slide valve gear, at compressor at full capacity
During operation, the first chute on interior volume specific ratio guiding valve is away from the groove sidewall of interior volume specific ratio guiding valve guide block and energy
Regulating slide valve is fitted away from the sidewall of energy adjustment guiding valve guide block；Interior volume specific ratio guiding valve is sliding near interior volume specific ratio
The first exhaust face of valve slider is arranged near first formation of interior volume specific ratio guiding valve with interior volume specific ratio guiding valve slide block
Air cleft gap, slide valve gear is assemblied in compression and interior after, exhaust gap and casing inner wall and screw rotor
Outer wall formed air vent；When compressor is in time regulating to sub-load at full capacity, led by energy adjustment
Bar makes energy regulating slide valve move in the first chute of interior volume specific ratio guiding valve, and sidewall gradually moves away
Groove sidewall, the first exhaust face of interior volume specific ratio guiding valve also deflation area with energy adjustment guiding valve gradually pull open away from
From；The gas of compression chamber is entered by the gap between sidewall and groove sidewall, and by interior volume specific ratio guiding valve
By-pass port bypasses away, thus realizes the function of energy adjustment；Make energy regulating slide valve sliding with interior volume specific ratio
Valve is relatively fixed, and by regulation interior volume specific ratio guiding valve position in the casing of compressor, regulates first row
The relative position of gas face and rotor, to reach to regulate the function of interior volume specific ratio.The guiding valve dress that the present invention provides
Put, in compressor at full capacity mediation process, relative with interior volume specific ratio guiding valve by energy adjustment guiding valve
Motion, reaches to regulate the effect of by-pass port aperture, by the relative position of regulation air vent with rotor, adjusts
Joint by-pass port aperture, reaches to regulate the effect of energy；Energy adjustment guiding valve and interior volume specific ratio guiding valve are by interior
Embedding mode connects, and efficiently reduces the gas leak amount of compression chamber, improves degree of regulation.
Present invention also offers a kind of compressor with above-mentioned slide valve gear.Owing to above-mentioned slide valve gear has
Having above-mentioned technique effect, the compressor with this slide valve gear also should have same technique effect.At this
Introduce the most one by one.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the slide valve gear that Fig. 1 provides for the embodiment of the present invention；
The exploded perspective view of the slide valve gear that Fig. 2 provides for the embodiment of the present invention；
Interior volume specific ratio guiding valve, head rod and the interior volume specific ratio guiding valve that Fig. 3 provides for the embodiment of the present invention
First structural representation of guide block；
The left view schematic diagram of the slide valve gear that Fig. 4 provides for the embodiment of the present invention；
Fig. 5 is the cut-away illustration in Fig. 4 along A-A cutting plane；
Interior volume specific ratio guiding valve, head rod and the interior volume specific ratio guiding valve that Fig. 6 provides for the embodiment of the present invention
Second structural representation of guide block.
Wherein,
Energy adjustment guiding valve 1, the first outer surface 11, sidewall 12, the 3rd inner surface 13, the
Two deflation areas 14, the second connecting rod 15, housing inner guide 16, interior volume specific ratio guiding valve 2, content
Long-pending ratio guiding valve end wall 21, head rod 22, groove sidewall 23, the first groove inwall 24, second
Inner surface 25, by-pass port 26, first exhaust face 27, case follower guide rod 28, energy adjustment
Guiding valve guide block 3, the second outer surface 31, energy adjustment guiding valve guide block end wall 32, the second end face 33,
Interior volume specific ratio guiding valve guide block 4, side wall 41, screwed hole 42, the second groove inwall 43, energy is adjusted
Joint guide rod 44, interior volume specific ratio guiding valve guide rod 45, the first end face 46, first surface a, second is bent
Face b.
Detailed description of the invention
The invention discloses a kind of slide valve gear, the invention provides a kind of slide valve gear, to regulate energy
And regulation interior volume specific ratio；Reduce the gas leak amount of compression chamber, improve degree of regulation.The present invention also provides for
A kind of compressor with above-mentioned slide valve gear.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 shows for the structure of the slide valve gear that the embodiment of the present invention provides
It is intended to；The exploded perspective view of the slide valve gear that Fig. 2 provides for the embodiment of the present invention；Fig. 3 is that the present invention is real
Execute interior volume specific ratio guiding valve, head rod and the first structural representation of interior volume specific ratio guiding valve guide block that example provides
Figure.
Embodiments provide a kind of slide valve gear, including a kind of slide valve gear, including energy adjustment
Guiding valve 1, interior volume specific ratio guiding valve 2, interior volume specific ratio guiding valve guide block 4, driving interior volume specific ratio guiding valve 2 move
The energy adjustment guide rod 44 that interior volume specific ratio guiding valve guide rod 45 and driving energy adjustment guiding valve 1 move；Internal volume
Having the first chute than guiding valve 2, energy adjustment guiding valve 1 is embedded in the first chute, the first chute interior
Matching with the outer surface of energy adjustment guiding valve 1 in surface, the groove bottom of the first chute is provided with by-pass port 26；
Interior volume specific ratio guiding valve 2 is connected by head rod 22 is fixing with interior volume specific ratio guiding valve guide block 4, internal volume
Air vent is formed than guiding valve 2 and interior volume specific ratio guiding valve guide block 4；In interior volume specific ratio guiding valve guide rod 45 is arranged at
On volume-ratio slide valve 2 or interior volume specific ratio guiding valve guide block 4.
The slide valve gear that the embodiment of the present invention provides, when compressor oepration at full load, interior volume specific ratio guiding valve 2
On the first chute away from the groove sidewall 23 of interior volume specific ratio guiding valve guide block 4 with energy adjustment guiding valve 1 away from energy
The sidewall 12 of amount regulating slide valve guide block 3 is fitted；Interior volume specific ratio guiding valve 2 is near interior volume specific ratio guiding valve slide block 4
First exhaust face 27 and interior volume specific ratio guiding valve slide block 4 near the first face 46 shape of interior volume specific ratio guiding valve 2
Become exhaust gap, slide valve gear is assemblied in compression and interior after, exhaust gap and casing inner wall and screw rod
The outer wall of rotor forms air vent；When compressor is in time regulating to sub-load at full capacity, adjusted by energy
Joint guide rod 44 makes energy regulating slide valve 1 move in the first chute of interior volume specific ratio guiding valve 2, sidewall 12
Gradually move away groove sidewall 23, the first exhaust face 27 of interior volume specific ratio guiding valve 2 also with energy adjustment guiding valve
The deflation area 14 of 1 gradually spaces out；The gas of compression chamber is by the seam between sidewall 12 and groove sidewall 23
Gap enters, and is bypassed away by the by-pass port 26 on interior volume specific ratio guiding valve 2, thus realizes energy adjustment
Function；Energy regulating slide valve 1 is made to be relatively fixed with interior volume specific ratio guiding valve 2, sliding by regulation interior volume specific ratio
The valve 2 position in the casing of compressor, regulates the relative position in first exhaust face 27 and rotor, to reach
Function to regulation interior volume specific ratio.The slide valve gear that the embodiment of the present invention provides, adjusts at full capacity at compressor
In solution preocess, by the relative motion of energy adjustment guiding valve 1 with interior volume specific ratio guiding valve 2, regulate by-pass port
26 apertures, reach to regulate the effect of interior volume specific ratio, by regulation air vent and the relative position of rotor, reach
Effect to regulation energy；Energy adjustment guiding valve 1 is connected by the way of embedded with interior volume specific ratio guiding valve 2,
Efficiently reduce the gas leak amount of compression chamber, improve degree of regulation.
In the slide valve gear that the present embodiment provides, also include energy adjustment guiding valve guide block 3；Interior volume specific ratio guiding valve
Guide block 4 has the second chute, and regulating slide valve guide block 3 is embedded in the second chute, the interior table of the second chute
Face coordinates with the outer surface of energy adjustment guiding valve guide block 3；Energy adjustment guiding valve 1 is led with energy adjustment guiding valve
Block 3 connects by the second connecting rod 15 is fixing；Energy adjustment guide rod 44 is arranged at energy adjustment guiding valve 1
Or on energy adjustment guiding valve guide block 3.At energy adjustment guiding valve guide block 3 by the second connecting rod 15 and energy
The fixing connection of regulating slide valve 1 and interior volume specific ratio guiding valve 2 are led with interior volume specific ratio guiding valve by head rod 22
On the premise of the fixing connection of block 4, by increasing energy adjustment guiding valve guide block 3 so that it is sliding with interior volume specific ratio
Valve guide 4 slides relatively, is effectively improved the slip of energy adjustment guiding valve 1 and interior volume specific ratio guiding valve 2
Stability.
Preferably, interior volume specific ratio guiding valve 2 is near the first exhaust face 27 of interior volume specific ratio guiding valve guide block 4 and energy
Amount regulating slide valve 1 is parallel near the second exhaust face 14 of energy adjustment guiding valve guide block 3；Interior volume specific ratio guiding valve
Guide block 4 is adjusted near energy with energy adjustment guiding valve guide block 3 near the first end face 46 of interior volume specific ratio guiding valve 2
Second end face 33 of joint guiding valve 1 is parallel, in order to improve degree of regulation.
Further, the clearance distance of first exhaust face the 27 to the first end face 46 arrives with second exhaust face 14
The clearance distance of the second end face 33 is identical；First exhaust face 27 is to the groove sidewall 23 of interior volume specific ratio guiding valve 2
Ultimate range equal to the ultimate range of the sidewall 12 in second exhaust face 14 to energy adjustment guiding valve 1.I.e.
When compressor oepration at full load, the first chute on interior volume specific ratio guiding valve 2 is led away from interior volume specific ratio guiding valve
The groove sidewall 23 of block 4 is fitted away from the sidewall 12 of energy adjustment guiding valve guide block 3 with energy adjustment guiding valve 1,
Make first exhaust face 27 in the same plane with second exhaust face 14；Due to head rod 22 with
The length of the second connecting rod 15 is identical so that the clearance distance of first exhaust face the 27 to the first end face 46 with
The clearance distance of second exhaust face the 14 to the second end face 33 is identical, i.e. at first exhaust face 27 and second row
When gas face 14 is in the same plane, the first end face 46 is in the same plane with the second end face 33.
In order to reduce parts count, in order to install, interior volume specific ratio guiding valve 2, interior volume specific ratio guiding valve guide block 4
And head rod 22 is integral type structure；Energy adjustment guiding valve 1, energy adjustment guiding valve guide block 3 and
Two connecting rods 15 are integral type structure.Wherein, interior volume specific ratio guiding valve 2, interior volume specific ratio guiding valve guide block 4 and
The integral structure of head rod 22 and energy adjustment guiding valve 1, energy adjustment guiding valve guide block 3 and second
The integral structure of connecting rod 15 is foundry goods.
As shown in Figure 4, in the first inner surface 13 of energy adjustment guiding valve 1, interior volume specific ratio guiding valve 2 second
Surface 25, the 3rd inner surface 13 of energy adjustment guiding valve guide block 3 and the 4th of interior volume specific ratio guiding valve guide block 4 the
Inner surface 47 is arc surface and all on the second curved surface b.Outer surface can also be set to other structures
Face, such as folding face or plane.
Preferably, the first inner surface the 13, second inner surface the 25, the 3rd inner surface 13 and the 4th inner surface
The radian of 47 is all higher than 90 °.
Further, the first outer surface 11 of energy adjustment guiding valve 1 and the first groove inwall 24 of the first chute
Being arc surface, the first outer surface 11 is identical with the diameter of the first groove inwall 24 and arranged concentric；Energy
Second outer surface 31 of regulating slide valve guide block 3 and the second groove inwall 43 of the second chute are arc surface,
Second outer surface 31 is identical with the diameter of the second groove inwall 43 and arranged concentric；First outer surface 11 and
Two outer surface 31 arranged concentric.Outer surface can also be set to the face of other structures, such as folding face or plane.
It should be noted that the diameter of the first outer surface 11 and the second outer surface 31 can be identical, it is possible to
With difference, do not do specific requirement at this and all within protection domain.
Interior volume specific ratio guiding valve 2 outer surface is arc surface with the outer surface of interior volume specific ratio guiding valve guide block 4；In
Volume-ratio slide valve 2 outer surface is identical with the diameter of the outer surface of interior volume specific ratio guiding valve guide block 4 and its center of circle same
Axle is arranged.Make the outer surface of interior volume specific ratio guiding valve 2 outer surface and interior volume specific ratio guiding valve guide block 4 all the
On one arc surface a, it is effectively improved the slide valve gear casing relative to compressor of the present embodiment offer
Whole slide stability.Outer surface can also be set to the face of other structures, such as folding face or plane.
Preferably, interior volume specific ratio guiding valve 2 outer surface is equal with the outer surface radian of interior volume specific ratio guiding valve guide block 4
More than 90 °.
Wherein it is desired to explanation be above-mentioned outer surface be each parts one sides away from compressor drum, interior table
Face is each parts one sides near compressor drum.
As it is shown in figure 5, interior volume specific ratio guiding valve guide block 4 is away from the second chute end of interior volume specific ratio guiding valve 2
Being provided with side wall 41, interior volume specific ratio guiding valve guide rod 45 is arranged on side wall 41；Energy adjustment guide rod
44 are arranged on energy adjustment guiding valve guide block 3.By energy adjustment guide rod 44 is led with interior volume specific ratio guiding valve
Bar 45 is arranged at homonymy, in that context it may be convenient to regulation energy adjustment guide rod 44 and interior volume specific ratio guiding valve guide rod 45
Relative position.Further, by arranging side wall 41, efficiently avoid energy adjustment guiding valve guide block 3
Situation about being slipped by interior volume specific ratio guiding valve guide block 4.
Wherein, by controlling the thickness of energy adjustment guiding valve guide block 3 so that energy adjustment guiding valve guide block 3
When contacting with side wall 41 away from the energy adjustment guiding valve guide block end wall 32 of energy adjustment guiding valve 1, compression
Machine is in zero load state.
Side wall 41 can also be not provided with, energy adjustment guide rod 44 is arranged at energy adjustment guiding valve guide block 3
On, interior volume specific ratio guiding valve guide rod 45 and energy adjustment guide rod 44 be arranged in parallel and with interior volume specific ratio guiding valve 2
Or interior volume specific ratio guiding valve guide block 4 connects.
Further, interior volume specific ratio guiding valve guide rod 45 is the sleeve guide rod being connected with the second chute, energy
Regulation guide rod 44 enters the second chute, with energy adjustment guiding valve guide block 3 through interior volume specific ratio guiding valve guide rod 45
Connect.By energy adjustment guide rod 44 is coaxially disposed, further with interior volume specific ratio guiding valve guide rod 45
Improve degree easy to adjust.The external screw thread phase with volume-ratio slide valve guide rod 45 it is provided with on side wall 41
The screwed hole 42 coordinated.
In order to improve the stability that energy adjustment guiding valve 1 and interior volume specific ratio guiding valve 2 mutually slide further,
It is provided with on interior volume specific ratio guiding valve 2 and connects case follower guide rod 28, case follower guide rod 28 with the first chute
It is arranged at the interior volume specific ratio guiding valve 2 interior volume specific ratio guiding valve end wall 21 away from interior volume specific ratio guiding valve guide block 4；Energy
It is provided with housing inner guide 16 on amount regulating slide valve 1；Housing inner guide 16 is sheathed on case follower guide rod
28 is internal.By arranging case follower guide rod 28 and the housing inner guide 16 of mutual sheathing, it is prevented effectively from
Situation that energy adjustment guiding valve 1 is come off by the first chute, it is to avoid energy adjustment guiding valve 1 and internal volume
Relative separation than guiding valve 2.
In the present embodiment, by energy adjustment guiding valve the 1, second connecting rod 15 and energy adjustment guiding valve guide block
The connector of 3 compositions is arranged at interior volume specific ratio guiding valve 2, head rod 22 and interior volume specific ratio guiding valve guide block 4
On the connector of composition, then energy adjustment guide rod 44 is threadeded with energy adjustment guiding valve guide block 3；Shell
Internal guide rod 16 is threadeded with energy adjustment guiding valve 1；Interior volume specific ratio guiding valve guide rod 45 and interior volume specific ratio
Guiding valve guide block 4 is threaded.
Further, in order to reduce parts count, case follower guide rod 28 and interior volume specific ratio guiding valve 2 are one
Body formula structure.
By-pass port 26 is square orifice, the relative glide direction of energy adjustment guiding valve 1 and interior volume specific ratio guiding valve 2
Identical with the bearing of trend of square orifice.According to energy adjustment guiding valve 1 and the length of interior volume specific ratio guiding valve 2 and
The concrete size of compressor arranges the development length of square orifice.Make energy regulating slide valve 1 and interior volume specific ratio
The relative sliding distance of guiding valve 2 is directly proportional to the open area of by-pass port 26, is further easy to by-pass port
The regulation of 26.
As shown in Figure 6, align with the groove sidewall 23 of the first chute in one end of by-pass port 26.I.e. energy is adjusted
After the sidewall 12 of joint guiding valve 1 separates with the groove sidewall 23 of the first chute, i.e. open by-pass port 26.
The embodiment of the present invention additionally provides a kind of compressor, has slide valve gear, and slide valve gear is as above-mentioned
The slide valve gear of any one.Owing to above-mentioned slide valve gear has above-mentioned technique effect, there is this slide valve gear
Compressor also should have same technique effect.Introduce the most one by one at this.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (18)
1. a slide valve gear, it is characterised in that include that energy adjustment guiding valve (1), interior volume specific ratio are sliding
Valve (2), interior volume specific ratio guiding valve guide block (4), drive the content of described interior volume specific ratio guiding valve (2) movement
Long-pending than guiding valve guide rod (45) and the energy adjustment guide rod (44) that drives the movement of described energy adjustment guiding valve (1)；
Described interior volume specific ratio guiding valve (2) has the first chute, and described energy adjustment guiding valve (1) is embedded in
In described first chute, the inner surface of described first chute and the outer surface of described energy adjustment guiding valve (1)
Matching, the groove bottom of described first chute is provided with by-pass port (26)；
Described interior volume specific ratio guiding valve (2) and described interior volume specific ratio guiding valve guide block (4) pass through head rod
(22) fixing connection, described interior volume specific ratio guiding valve (2) and described interior volume specific ratio guiding valve guide block (4) shape
Become air vent；
Described interior volume specific ratio guiding valve guide rod (45) is arranged at described interior volume specific ratio guiding valve (2) or described content
Long-pending ratio is on guiding valve guide block (4).
2. slide valve gear as claimed in claim 1, it is characterised in that also include that energy adjustment guiding valve is led
Block (3)；
Described interior volume specific ratio guiding valve guide block (4) has the second chute, in described regulating slide valve guide block (3)
It is embedded in described second chute, the inner surface of described second chute and described energy adjustment guiding valve guide block (3)
Outer surface coordinate；
Described energy adjustment guiding valve (1) and described energy adjustment guiding valve guide block (3) are by the second connecting rod
(15) fixing connection；
Described energy adjustment guide rod (44) is arranged at described energy adjustment guiding valve (1) or described energy adjustment
On guiding valve guide block (3).
3. slide valve gear as claimed in claim 2, it is characterised in that described interior volume specific ratio guiding valve (2)
Near the first exhaust face (27) of described interior volume specific ratio guiding valve guide block (4) and described energy adjustment guiding valve (1)
Parallel near the second exhaust face (14) of described energy adjustment guiding valve guide block (3)；
Described interior volume specific ratio guiding valve guide block (4) is near first end face (46) of described interior volume specific ratio guiding valve (2)
Second end face (33) of described energy adjustment guiding valve (1) close with described energy adjustment guiding valve guide block (3)
Parallel.
4. slide valve gear as claimed in claim 3, it is characterised in that described head rod (22)
Identical with the length of described second connecting rod (15)；
Described first exhaust face (27) is to the maximum of the groove sidewall (23) of described interior volume specific ratio guiding valve (2)
Distance equal to described second exhaust face (14) to described energy adjustment guiding valve (1) sidewall (12)
Big distance.
5. slide valve gear as claimed in claim 2, it is characterised in that described interior volume specific ratio guiding valve (2),
Described interior volume specific ratio guiding valve guide block (4) and described head rod (22) are integral type structure；
Described energy adjustment guiding valve (1), described energy adjustment guiding valve guide block (3) and described second connect
Bar (15) is integral type structure.
6. slide valve gear as claimed in claim 2, it is characterised in that described energy adjustment guiding valve (1)
The first inner surface (13), second inner surface (25) of described interior volume specific ratio guiding valve (2), described energy
3rd inner surface (13) of amount regulating slide valve guide block (3) and described interior volume specific ratio guiding valve guide block (4)
4th inner surface (47) is arc surface and all on the second curved surface (b).
7. slide valve gear as claimed in claim 6, it is characterised in that described first inner surface (13),
Described second inner surface (25), described 3rd inner surface (13) and described 4th inner surface (47)
Radian is all higher than 90 °.
8. slide valve gear as claimed in claim 2, it is characterised in that described energy adjustment guiding valve (1)
The first groove inwall (24) of the first outer surface (11) and described first chute be arc surface, first
Outer surface (11) is identical with the diameter of described first groove inwall (24) and arranged concentric；
Second outer surface (31) of described energy adjustment guiding valve guide block (3) and the second of described second chute
Groove inwall (43) is arc surface, and the second outer surface (31) is straight with described second groove inwall (43)
Footpath is identical and arranged concentric；
Described first outer surface (11) and described second outer surface (31) arranged concentric.
9. slide valve gear as claimed in claim 2, it is characterised in that described interior volume specific ratio guiding valve (2)
Outer surface is arc surface with the outer surface of described interior volume specific ratio guiding valve guide block (4)；Described interior volume specific ratio is sliding
The outer surface of valve (2) outer surface and described interior volume specific ratio guiding valve guide block (4) is all on first surface (a).
10. slide valve gear as claimed in claim 9, it is characterised in that described interior volume specific ratio guiding valve (2)
Outer surface is all higher than 90 ° with the outer surface radian of described interior volume specific ratio guiding valve guide block (4).
11. slide valve gears as claimed in claim 2, it is characterised in that described interior volume specific ratio guiding valve is led
Block (4) is provided with side wall (41) away from the second chute end of described interior volume specific ratio guiding valve (2),
Described interior volume specific ratio guiding valve guide rod (45) is arranged on described side wall (41)；
Described energy adjustment guide rod (44) is arranged on described energy adjustment guiding valve guide block (3).
12. slide valve gears as claimed in claim 11, it is characterised in that described interior volume specific ratio guiding valve is led
Bar (45) is the sleeve guide rod being connected with described second chute, and described energy adjustment guide rod (44) is overlapped
It is located at described interior volume specific ratio guiding valve guide rod (45) internal.
13. slide valve gears as claimed in claim 11, it is characterised in that described interior volume specific ratio guiding valve (2)
On be provided with the case follower guide rod (28) connected with described first chute；
It is provided with housing inner guide (16) on described energy adjustment guiding valve (1)；
It is internal that described housing inner guide (16) is sheathed on described case follower guide rod (28).
14. slide valve gears as claimed in claim 13, it is characterised in that described energy adjustment guide rod (44)
Threaded with described energy adjustment guiding valve guide block (3)；
Described housing inner guide (16) threadeds with described energy adjustment guiding valve (1)；
Described interior volume specific ratio guiding valve guide rod (45) threadeds with described interior volume specific ratio guiding valve guide block (4).
15. slide valve gears as claimed in claim 14, it is characterised in that described case follower guide rod (28)
It is integral type structure with described interior volume specific ratio guiding valve (2).
16. slide valve gears as described in any one of claim 1-15, it is characterised in that described by-pass port
(26) being square orifice, described energy adjustment guiding valve (1) is relative with described interior volume specific ratio guiding valve (2)
Glide direction is identical with the bearing of trend of described square orifice.
17. slide valve gears as described in any one of claim 16, it is characterised in that described by-pass port (26)
One end align with the groove sidewall (23) of described first chute.
18. 1 kinds of compressors, have slide valve gear, it is characterised in that described slide valve gear is such as right
Require the slide valve gear described in any one of 1-17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379484.0A CN104421157B (en) | 2013-08-27 | 2013-08-27 | Compressor and slide valve gear thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310379484.0A CN104421157B (en) | 2013-08-27 | 2013-08-27 | Compressor and slide valve gear thereof |
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| CN104421157A CN104421157A (en) | 2015-03-18 |
| CN104421157B true CN104421157B (en) | 2016-12-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110410329A (en) * | 2019-08-26 | 2019-11-05 | 珠海格力电器股份有限公司 | Compressor and air-conditioning |
| CN110925199B (en) * | 2019-11-08 | 2020-11-06 | 珠海格力电器股份有限公司 | Screw compressor, control method thereof and refrigeration system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556393Y (en) * | 2002-05-15 | 2003-06-18 | 烟台冰轮股份有限公司 | Energy-regulating mechanism of helical-lobe compressor |
| CN101713410A (en) * | 2009-11-18 | 2010-05-26 | 西安交通大学 | Combined type energy regulating mechanism for screw compressor |
| CN202040084U (en) * | 2010-10-29 | 2011-11-16 | 武汉新世界制冷工业有限公司 | Energy and internal volume ratio regulating mechanism of built-in type screw compressor of oil cylinder |
| CN203532259U (en) * | 2013-08-27 | 2014-04-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and sliding valve device thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101375062B (en) * | 2005-12-12 | 2010-12-08 | 江森控制丹麦有限公司 | Screw compressor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556393Y (en) * | 2002-05-15 | 2003-06-18 | 烟台冰轮股份有限公司 | Energy-regulating mechanism of helical-lobe compressor |
| CN101713410A (en) * | 2009-11-18 | 2010-05-26 | 西安交通大学 | Combined type energy regulating mechanism for screw compressor |
| CN202040084U (en) * | 2010-10-29 | 2011-11-16 | 武汉新世界制冷工业有限公司 | Energy and internal volume ratio regulating mechanism of built-in type screw compressor of oil cylinder |
| CN203532259U (en) * | 2013-08-27 | 2014-04-09 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and sliding valve device thereof |
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