CN106704200A - Compressor, pump body and pump body gas-exhaust part - Google Patents
Compressor, pump body and pump body gas-exhaust part Download PDFInfo
- Publication number
- CN106704200A CN106704200A CN201710054900.8A CN201710054900A CN106704200A CN 106704200 A CN106704200 A CN 106704200A CN 201710054900 A CN201710054900 A CN 201710054900A CN 106704200 A CN106704200 A CN 106704200A
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- Prior art keywords
- pump housing
- compressor
- exhaust part
- intersection
- air release
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
- F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
-
- 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
- F04C2210/00—Fluid
- F04C2210/10—Fluid working
- F04C2210/1027—CO2
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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 compressor, a pump body and a pump body gas-exhaust part. A valve seat platform of the pump body gas-exhaust part is in smooth transition connection with a gas-exhaust valve hole through a connecting curved surface, so that a gas outlet end of the gas-exhaust valve hole is gradually increased; the connecting curved surface and the valve seat platform are crossed to form a first line of intersection; the connecting curved surface and the gas-exhaust valve hole are crossed to form a second line of intersection; the hole diameter, at the second line of intersection, of the gas-exhaust valve hole is M; in the radial direction of the gas-exhaust valve hole, a distance L1 between the first line of intersection and the second line of intersection is greater than 0.05 M and smaller than 0.5 M; and in the axial direction of the gas-exhaust valve hole, a distance L2 between the first line of intersection and the second line of intersection is greater than 0.05 M and smaller than 0.5 M. The pump body gas-exhaust part disclosed by the invention can bear impact on a position, at the gas-exhaust valve hole, of the valve seat platform by a gas-exhaust valve sheet under high pressure difference, and adapts to deformation and warpage of the gas-exhaust valve sheet, so that the breaking and sealing problem of the gas-exhaust valve sheet is effectively improved, refrigerating capacity of the compressor is improved, and working noises of the compressor are reduced.
Description
Technical field
The present invention relates to compressor apparatus field, more particularly, to a kind of compressor, the pump housing and pump housing exhaust part.
Background technology
Pointed out in correlation technique, rotary compressor relies on the rotation of bent axle to change the volume in pump body compression chamber, so that
Compression is realized, the exhaust valve plate of the pump housing plays a part of check valve, prevent high pressure refrigerant to adverse current in the compression chamber of low pressure, compression
Exhaust valve plate is opened to realize exhaust as the pressure of compression chamber rises in cycle, and compression end of a period heel row air valve plate is made in pressure difference
Close air release valve hole to realize sealing with lower.
For conventional R22, R134a, R410A cold medium compressor, due to refrigerant operting differential pressure small (i.e. pressure of inspiration(Pi) and row
The difference of atmospheric pressure is small, and such as R22 refrigerants operting differential pressure is about 2.08Mpa, R134a refrigerant operting differential pressure about 0.8Mpa, R410A
Refrigerant operting differential pressure is about 2.5Mpa) so that exhaust valve plate is smaller to born pressure difference is closed by opening, therefore exhaust valve plate
Impulsive force and impact velocity to valve seat is all smaller, and exhaust valve plate can be with safe operation.
But for R744 cold medium compressors (i.e. carbon dioxide refrigerant compressor), R744 refrigerant operting differential pressures are about
9.5Mpa, now, the pressure difference that exhaust valve plate is born is increased considerably, therefore exhaust valve plate is to the impulsive force and impact speed of valve seat
Degree increases nearly decades of times relative to above-mentioned conventional cold medium compressor, so that exhaust valve plate occurs after working hundreds of hours
Serious abrasion and fragmentation Problem of Failure, and then cause the reliability decrease of compressor, degradation.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the invention reside in proposition one
The pump housing exhaust part for compressor is planted, the fracture and sealing that the pump housing exhaust part can effectively improve exhaust valve plate are asked
Topic, improves the refrigerating capacity of compressor, reduces the operating noise of compressor.
The present invention also proposes a kind of pump housing with above-mentioned pump housing exhaust part.
The present invention also proposes a kind of compressor with the above-mentioned pump housing.
The pump housing exhaust part for compressor according to a first aspect of the present invention, the pump housing exhaust part include body and
The valve seat platform with the unilateral contact of air bleeding valve is located on the body and be suitable to, there is insertion successively on the pump housing exhaust part
The air release valve hole of the valve seat platform and the body, the valve seat platform is smooth by being connected curved surface with the air release valve hole
Transition is connected so that the outlet side flaring of the air release valve hole, and the connection curved surface intersects at the first friendship with the valve seat platform
Line, the connection curved surface intersects at the second intersection, hole of the air release valve hole at second intersection with the air release valve hole
Footpath is M, and, the distance between first intersection and second intersection L1 meet in the air release valve hole radially：0.05M
<L1<0.5M, in the axial direction of the air release valve hole, the distance between first intersection and second intersection L2 meet：
0.05M<L2<0.5M。
Pump housing exhaust part for compressor of the invention, exhaust valve plate is flat for valve seat under can bearing High Pressure Difference
Shock of the platform at air release valve hole, the deformation for adapting to exhaust valve plate and warpage, effectively to improve the fracture of exhaust valve plate and close
Envelope problem, improves the refrigerating capacity of compressor, reduces the operating noise of compressor.
In certain embodiments, the L1 further meets：0.05M<L1<0.4M, and/or, the L2 further meets：
0.05M<L2<0.4M。
In certain embodiments, the L1 further meets：0.1M<L1<0.3M, and/or, the L2 further meets：
0.1M<L2<0.3M。
In certain embodiments, the L1 further meets：0.2mm<L1<2.0mm, and/or, the L2 is further full
Foot：0.2mm<L2<2.0mm
In certain embodiments, the L1 further meets：0.2mm<L1<1.5mm, and/or, the L2 is further full
Foot：0.2mm<L2<1.5mm.
In certain embodiments, the L1 further meets：0.5mm<L1<1.5mm, and/or, the L2 is further full
Foot：0.5mm<L2<1.5mm.
In certain embodiments, the connection curved surface is that bus is the surface of revolution of circular arc line.
In certain embodiments, the central axis upright of the air release valve hole is in the working face of the valve seat platform.
In certain embodiments, the air release valve hole is equal diameter circular hole.
The pump housing for compressor according to a second aspect of the present invention, including：Cylinder assembly, has on the cylinder assembly
Compression chamber；The pump housing exhaust part for compressor according to a first aspect of the present invention, the pump housing exhaust part is located at the cylinder
The axial side of component and the air release valve hole is set to be communicated to the compression chamber；Exhaust valve plate, the exhaust valve plate is located at described
Pump housing exhaust part away from the cylinder assembly side and for being opened and closed the air release valve hole.
The pump housing for compressor of the invention, by setting the pump housing exhaust part of above-mentioned first aspect, so as to carry
The overall performance of the pump housing high.
Compressor according to a third aspect of the present invention, including：Housing and the drive mechanism being located in the housing and root
According to the pump housing for compressor of second aspect present invention, wherein, the pump housing is connected with the drive mechanism by bent axle.
Compressor of the invention, by setting the pump housing for compressor of above-mentioned second aspect, so as to improve
The overall performance of compressor.
In certain embodiments, the compressor also includes：Demarcation strip, the demarcation strip is located at the drive mechanism and institute
State between the pump housing and be isolated into the inner chamber of the housing First pressure chamber that accommodates the drive mechanism and accommodate the pump housing
Second pressure chamber, the bent axle is connected to institute through the demarcation strip with by the drive mechanism in the First pressure chamber
State the pump housing in second pressure chamber.
In certain embodiments, the compressor is carbon-dioxide gas compressor.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Fig. 1 is the schematic diagram of exhaust valve plate in the prior art；
Fig. 2 is the cooperation schematic diagram of a kind of valve seat and exhaust valve plate in the prior art；
Fig. 3 is the cooperation schematic diagram of another valve seat and exhaust valve plate in the prior art；
Fig. 4 is the schematic diagram coordinated with valve seat after exhaust valve plate stress deformation shown in Fig. 3；
Fig. 5 is the sectional view of compression mechanism according to embodiments of the present invention；
Fig. 6 is the pump housing exhaust part and exhaust valve plate, the installation diagram of lift stopper shown in Fig. 5；
Fig. 7 is the sectional view of the pump housing exhaust part shown in Fig. 6；
Fig. 8 is the top view of the pump housing exhaust part shown in Fig. 7；
Fig. 9 is the partial schematic diagram of the profile of Y-Y lines along Figure 10；
Figure 10 is the schematic diagram that the pump housing exhaust part shown in Fig. 9 coordinates with exhaust valve plate；
Figure 11 is the schematic diagram of compressor according to embodiments of the present invention.
Reference：
Compressor 100；
Housing 101；First pressure chamber 1011；Second pressure chamber 1012；
Drive mechanism 102；Demarcation strip 103；
Compression mechanism 104；Bent axle 1041；The pump housing 1042；
Pump housing exhaust part 1；Base bearing 1a；Supplementary bearing 1b；
Body 11；Valve seat platform 12；
Air release valve hole 13；Outlet side 131；Connection curved surface 14；
Piston 2；Cylinder assembly 3；Cylinder 31；Dividing plate 32；Compression chamber 30；Muffler 4；Slide plate 5；
Exhaust valve plate 6；Lift stopper 7；
First intersection S1, the second intersection S2.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Following disclosure provides many different embodiments or example is used for realizing different structure of the invention.For letter
Change disclosure of the invention, hereinafter the part and setting to specific examples are described.Certainly, they are only merely illustrative, and
Purpose does not lie in the limitation present invention.Additionally, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is again the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity.This
Outward, the invention provides various specific technique and material example, but those of ordinary skill in the art can be appreciated that
The use of the applicable property and/or other materials of other techniques.
As described in the application background section, for carbon dioxide refrigerant compressor, exhaust valve plate 6X opens and closes institute
The pressure difference for bearing is much larger than conventional cold medium compressor, so that exhaust valve plate 6X is relative to the impulsive force and impact velocity of valve seat 12X
Nearly decades of times is increased in above-mentioned conventional cold medium compressor, and then exhaust valve plate 6X can occur serious abrasion and fragmentation failure
A curves in problem, such as Fig. 1 illustrate the position that exhaust valve plate 6X is susceptible to fracture.
For above-mentioned technical problem, applicant is surprised to find by long-term research and exploration, and exhaust valve plate 6X holds
Major cause of failure easily occurs is, excessive with the contact stress of valve seat 12X during exhaust valve plate 6X closing air release valve hole 13X,
The top surface of conventional valve seat 12X is arc surface (as shown in Figure 2), and the contact between valve seat 12X and exhaust valve plate 6X connects for line
Touch, and the main generation area of fragmentation of exhaust valve plate 6X abrasions is exactly the linear contact lay region of valve seat 12X and exhaust valve plate 6X, because
This, applicant considers the top surface of valve seat 12X can be improved into plane (as shown in Figure 3), valve seat 12X and row after now improving
Contact between air valve plate 6X is face contact, so as to increase the contact area between valve seat 12X and exhaust valve plate 6X, to improve
The broken breakage problem of exhaust valve plate 6X.
But, it is surprised to find again by studying applicant, although the top surface of valve seat 12X is improved into plane can improve
The breakage problem of exhaust valve plate 6X, but for carbon dioxide refrigerant compressor, refrigerating capacity during its work but there occurs
Problem that is unstable and declining, or even the carbon dioxide refrigerant compressor refrigerating capacity of same batch production fluctuates more than 30%, resistance to
The refrigerating capacity decline of carbon dioxide refrigerant compressor long afterwards is up to 60% unexpectedly.
For above-mentioned technical problem, applicant is surprised to find, conventional refrigerant pressure again by long-term research and exploration
The refrigerant operting differential pressure of contracting machine is smaller, can only produce micro-strain, such deformation still to protect during exhaust valve plate 6X closings
Card sealings of the exhaust valve plate 6X for air release valve hole 13X, it is ensured that the refrigerating capacity problem of compressor.And carbon dioxide refrigerant compresses
The refrigerant operting differential pressure of machine is larger, exhaust valve plate 6X close when can produce moderate finite deformation (as shown in Figure 4), even seriously to exhaust
Valve opening 13X inside sinking warpage, now, exhaust valve plate 6X and the sealing area of air release valve hole 13X of warpage are changed by flat seal
It is changed into the linear sealing at P, causes sealed width extremely diminish, narrow, causes carbon dioxide refrigerant along the seal line after warpage
Leakage, so as to the refrigerating capacity for causing compressor declines and unstable.
For above-mentioned technical problem, applicant again passes by long-term research and exploration, is surprised to find finally, if
Improve simultaneously the exhaust end of valve seat 12X and air release valve hole 13X structure (will valve seat 12X and air release valve hole 13X exhaust end
Structure is improved to the structure of following examples), while by improved physical dimension control (will be improved in certain scope
Physical dimension control is in the range of following examples regulation), it is possible to the fracture for efficiently solving above-mentioned exhaust valve plate 6X is asked
The refrigerating capacity of topic and compressor declines and unstable problem (i.e. sealing when exhaust valve plate 6X is closed to air release valve hole 13X
Problem), so as to improve the overall performance of compressor.
Below, reference picture 5- Figure 10, describes (the i.e. improved valve seat of pump housing exhaust part 1 according to embodiments of the present invention in detail
With the structure and size range of the exhaust end of air release valve hole).First, reference picture 5 and Fig. 6, briefly describe lower pump body exhaust part 1
Function and application.
Reference picture 5 and Fig. 6, and Figure 11 is combined, pump housing exhaust part 1 is a part for the pump housing 1042 of compressor 100, the pump housing
1042 in addition to pump housing exhaust part 1, can also include cylinder assembly 3 and exhaust valve plate 6, wherein, there is pressure on cylinder assembly 3
Contracting chamber 30, has air release valve hole 13 on pump housing exhaust part 1, pump housing exhaust part 1 is located at the axial side of cylinder assembly 3 and makes exhaust
Valve opening 13 is communicated to compression chamber 30, exhaust valve plate 6 be located at pump housing exhaust part 1 away from cylinder assembly 3 side and for being opened and closed
Air release valve hole 13.
Here it is possible to understand, cylinder assembly 3 can include one or more cylinder 31, on each cylinder 31
There can be a compression chamber 30, specifically, when compressor 100 is single cylinder compressor, cylinder assembly 3 can only include one
Individual cylinder 31, when compressor 100 is multicylinder compressor, cylinder assembly 3 can include multiple cylinders 31, and adjacent cylinder 31
Can be separated by dividing plate 32.Additionally, it will be appreciated by persons skilled in the art that the pump housing 1042 can also include muffler
4th, the part such as slide plate 5, piston 2, repeats no more here.
Further it will be understood that pump housing exhaust part 1 is that can be understood as base bearing 1a or the supplementary bearing in the pump housing 1042
1b, that is to say, that when compressor 100 is base bearing exhaust compressor, pump housing exhaust part 1 can be understood as base bearing
1a, and when compressor 100 is supplementary bearing exhaust compressor, pump housing exhaust part 1 can be understood as supplementary bearing 1b.Certainly,
For some other compressor 100, the pump housing 1042 can also be without including base bearing 1a or supplementary bearing 1b, for example can be only
Replace base bearing 1a or supplementary bearing 1b for exhaust using cover plate, now, it is (not shown that cover plate is treated as pump housing exhaust part 1
The example).
Reference picture 6 simultaneously combines Fig. 5, has air release valve hole 13, one end of air release valve hole 13 and compression chamber on pump housing exhaust part 1
30 connections, the other end are controlled to open and close by exhaust valve plate 6, so as to when the refrigerant pressure in compression chamber 30 exceedes preset value
The top of exhaust valve plate 6 can be opened, open air release valve hole 13 and realize exhaust, be vented after terminating, exhaust valve plate 6 can reset, will
The sealing of air release valve hole 13 terminates exhaust.Wherein, the on-off principle of exhaust valve plate 6 is described in detail in the introduction, therefore here not
Repeat, additionally, it is also prior art that exhaust valve plate 6 generally controls Lift by lift stopper 7, also do not go to live in the household of one's in-laws on getting married here
State.
Reference picture 7- Fig. 9, and Fig. 6 is combined, pump housing exhaust part 1 includes：Body 11 and valve seat platform 12, wherein, valve seat
Platform 12 is located on body 11 and is suitable to be contacted with the face of exhaust valve plate 6, such as in the example shown in Fig. 8 and Fig. 9, valve seat is put down
Platform 12 can be the anchor ring with one fixed width, be directed away from gas from the side surface away from cylinder assembly 3 of body 11
The direction stretching of cylinder component 3 is formed, and now, the side surface away from cylinder assembly 3 of valve seat platform 12 can be with certain
The annular plane of width (for example preferable width is more than 0.3mm), contacts with the composition face of exhaust valve plate 6.
Reference picture 9, the air release valve hole 13 on pump housing exhaust part 1 with insertion valve seat platform 12 and body 11 successively.Can
Selection of land, the central axis upright of air release valve hole 13 is in the working face of valve seat platform 12, that is to say, that the central shaft of air release valve hole 13
Line is vertical with the working face of valve seat platform 12, thus, the sealing effectiveness of convenient processing and exhaust valve plate 6 for air release valve hole 13
It is good.Here, it is necessary to explanation, the working face of valve seat platform 12 refer to valve seat platform 12 for being connect with the face of exhaust valve plate 6
Tactile surface (such as the upper surface shown in Fig. 9).Certainly, the invention is not restricted to this, such as in other embodiment of the invention
In, the working face of valve seat platform 12 can also be without the central axis with air release valve hole 13.
Further optionally, reference picture 9, air release valve hole 13 be equal diameter circular hole, that is to say, that air release valve hole 13 it is transversal
Face is circle, and in the axial direction of air release valve hole 13, the cross sectional dimensions everywhere of air release valve hole 13 is equal.Thus, it is convenient to add
Work.Certainly, the invention is not restricted to this, for example in other embodiments of the invention, air release valve hole 13 can also be bellmouth, enter
Mouth end flaring hole etc..
Preferably, reference picture 9, valve seat platform 12 is connected so that row with air release valve hole 13 by being connected curved surface 14 and smoothly transitting
The flaring of outlet side 131 in air valve hole 13, that is to say, that the hole face from the working face of valve seat platform 12 to air release valve hole 13
The all no wedge angle in any junction, and along discharge directions (direction that arrow is indicated in such as Fig. 9) exhaust of air release valve hole 13
The cross-sectional area of the outlet side 131 of valve opening 13 gradually increases.Preferably, connection curved surface 14 is that bus is the surface of revolution of circular arc line.
Thus, convenient processing, and can more efficiently improve following technical problems.
Thus, with reference to Figure 10, when exhaust valve plate 6 to the direction movement of valve seat platform 12 approaching to turn off air release valve hole 13
When, exhaust valve plate 6 can be first with the work plane-plane contact of valve seat platform 12 to reduce contact stress, then when exhaust valve plate 6
Continue under larger differential pressure action during to warpage in air release valve hole 13 (such as the direction of arrow bending along Figure 10), exhaust valve plate
6 can be fully contacted in the outlet side 131 of air release valve hole 13 with curved surface 14 is connected, so as to improve exhaust valve plate 6 to air release valve hole
13 sealing effectiveness, and then the refrigerating capacity and stability of compressor 100 are improved, improve air velocity distribution and noise.
Here it is possible to understand, because the connection curved surface 14 shown in Figure 10 comes relative to the right angle P shown in Fig. 4
Say, employ smooth and flaring curved design, therefore when exhaust valve plate 6 occurs to buckling deformation in air release valve hole 13, even
Connecing curved surface 14 can increase decades of times with the sealed width (relative to right angle P and the sealed width of exhaust valve plate 6) of exhaust valve plate 6
More than even, such that it is able to effectively improve sealing effectiveness.
Further, reference picture 9, applicant has surprisingly found that, only with the connecting valve seat platform 12 of connection curved surface 14 with
Air release valve hole 13 can not significantly improve above-mentioned technical problem, and only when the size that will connect curved surface 14 is limited certain model
In enclosing, can effectively improve above-mentioned technical problem, applicant has surprisingly found that, when the first intersection S1 and the second intersection S2 exist
The radially distance L1 (i.e. minimum range) of air release valve hole 13 meets：0.05M<L1<0.5M, and as the first intersection S1 and
Second intersection S2 distance L2 in the axial direction of air release valve hole 13 meet：0.05M<L2<During 0.5M, can efficiently solve
Above-mentioned technical problem.
Here it is possible to understand, reference picture 9, the first intersection S1 is referred to, connected between curved surface 14 and valve seat platform 12
Intersection, the intersection that the second intersection S2 is referred to, connected between curved surface 14 and air release valve hole 13, M be air release valve hole 13 second
Aperture (equivalent diameter) at intersection S2.In addition, when air release valve hole 13 is equal diameter circular hole, be can be understood as apart from L1,
In air release valve hole 13 radially, the distance between the first intersection S1 and air release valve hole 13 (i.e. minimum range), work as air release valve hole
13 central axis upright can be understood as, in the axial direction of air release valve hole 13 when the working face of valve seat platform 12 apart from L2
On, the distance between working face of the second intersection S2 and valve seat platform 12.
Preferably, L1 further meets：0.05M<L1<0.4M.Thus, it is possible to more efficiently improve above-mentioned technology ask
Topic.Preferably, L2 further meets：0.05M<L2<0.4M.Thus, it is possible to more efficiently improve above-mentioned technical problem.It is preferred that
Ground, L1, L2 further meet simultaneously：0.05M<L1<0.4M, 0.05M<L2<0.4M.Thus, it is possible on more efficiently improving
State technical problem.Preferably, L1 further meets：0.1M<L1<0.3M.Thus, it is possible to more efficiently improve above-mentioned technology ask
Topic.Preferably, L2 further meets：0.1M<L2<0.3M.Thus, it is possible to more efficiently improve above-mentioned technical problem.It is preferred that
Ground, L1, L2 further meet simultaneously：0.1M<L1<0.3M, 0.1M<L2<0.3M.Thus, it is possible to more efficiently improve above-mentioned
Technical problem.
Preferably, L1 further meets：0.2mm<L1<2.0mm.Thus, it is possible to more efficiently improve above-mentioned technology ask
Topic.Preferably, L2 further meets：0.2mm<L2<2.0mm.Thus, it is possible to more efficiently improve above-mentioned technical problem.It is excellent
Selection of land, L1, L2 further meet simultaneously：0.2mm<L1<2.0mm, 0.2mm<L2<2.0mm.Thus, it is possible to more efficiently change
Kind above-mentioned technical problem.Preferably, L1 further meets：0.2mm<L1<1.5mm.Thus, it is possible to more efficiently improve above-mentioned
Technical problem.Preferably, L2 further meets：0.2mm<L2<1.5mm.Thus, it is possible to more efficiently improve above-mentioned technology ask
Topic.Preferably, L1, L2 further meet simultaneously：0.2mm<L1<1.5mm, 0.2mm<L2<1.5mm.Thus, it is possible to more efficient
Ground improves above-mentioned technical problem.Preferably, L1 further meets：0.5mm<L1<1.5mm.Thus, it is possible to more efficiently improve
Above-mentioned technical problem.Preferably, L2 further meets：0.5mm<L2<1.5mm.Thus, it is possible to more efficiently improve above-mentioned skill
Art problem.Preferably, L1, L2 further meet simultaneously：0.5mm<L1<1.5mm, 0.5mm<L2<1.5mm.Thus, it is possible to more
Effectively improve above-mentioned technical problem.
In sum, pump housing exhaust part 1 according to embodiments of the present invention, due to using valve seat platform 12 and connection curved surface 14
Combination design, while control connection curved surface 14 size, such that it is able to effectively improve the breakage problem of exhaust valve plate 6, and
The refrigerating capacity of compressor 100 is improved, while the operating noise of compressor 100 can also be effectively reduced.For example test and show, root
According to the refrigerating capacity of the compressor 100 of the embodiment of the present invention more than 4%, noise can be improved relative to conventional carbon dioxide compressor
Nearly 3db can be reduced.
In short, pump housing exhaust part 1 according to embodiments of the present invention, exhaust valve plate 6 is for valve under can bearing High Pressure Difference
Shock of the seat platform 12 at air release valve hole 13, the deformation for adapting to exhaust valve plate 6 and warpage, so as to efficiently solve compressor
100th, the fragmentation and sealing for being particularly the exhaust valve plate 6 of High Pressure Difference cold medium compressor 100 (such as carbon-dioxide gas compressor 100) are asked
Topic.
Below, reference picture 11, briefly describe compressor 100 according to embodiments of the present invention.
Reference picture 11, compressor 100 can include：Housing 101 and (such as electricity of drive mechanism 102 being located in housing 101
Machine) and above-described embodiment the pump housing 1042, wherein, the pump housing 1042 is connected with drive mechanism 102 by bent axle 1041, so as to drive
Motivation structure 102 can drive the pump housing 1042 to implement refrigerant compression work, the herein, pump housing 1042 and bent axle by bent axle 1041
1041 composition compression mechanisms 104.Here, other of compressor 100 according to embodiments of the present invention are constituted and operated for this
All it is known for the those of ordinary skill of field, is not detailed herein.
Preferably, compressor 100 according to embodiments of the present invention is carbon dioxide rotary compressor, that is to say, that used
In compression carbon dioxide as refrigerant (R744) rotary compressor.Here it is possible to understand, when compressor 100 is
During carbon dioxide rotary compressor, because carbon dioxide rotary compressor is famous with refrigerant High Pressure Difference, when using above-mentioned reality
When applying the pump housing exhaust part 1 of example, the carbon dioxide rotary compressor of rotating speed high, High Pressure Difference can be effectively met for exhaust
Sealing and the requirement of reliability.
Certainly, the invention is not restricted to this, compressor 100 according to embodiments of the present invention can also be other kinds of compression
Machine, such as vortex, swing type etc..Below, only said so that compressor 100 is carbon dioxide rotary compressor as an example
It is bright, after those skilled in the art have read following technical scheme, it is clear that be appreciated that compressor 100 is other kinds of skill
Art scheme.In addition, the structure of the carbon dioxide rotary compressor of routine is well known to those skilled in the art, therefore do not go to live in the household of one's in-laws on getting married
State, below only referring to Figure 11 descriptions according to a carbon dioxide rotary compressor for specific embodiment of the invention.
Reference picture 11, compressor 100 also includes：Demarcation strip 103, demarcation strip 103 is located at the pump housing 1042 and drive mechanism 102
Between and the inner chamber of housing 101 is isolated into the First pressure chamber 1011 for accommodating drive mechanism 102 and the of the pump housing 1042 is accommodated
Two pressure chambers 1012, bent axle 1041 is connected to second through demarcation strip 103 with by the drive mechanism 102 in First pressure chamber 1011
The pump housing 1042 in pressure chamber 1012.Thus, the compressor 100 according to the present embodiment is compared with conventional rotary compressor,
By setting above-mentioned demarcation strip 103, such that it is able to the inner chamber of housing 101 is separated into high-low pressure two chambers, i.e. first pressure
Chamber 1011 can be high pressure chest for low pressure chamber, second pressure chamber 1012, can thus omit the storage of Conventional press 100
Liquid device, that is to say, that conventional reservoir can be replaced by First pressure chamber 1011, will refrigerant to be compressed deposit in first
Gas-liquid separator in pressure chamber 1011, the gas coolant that then will be isolated (can for example be formed in separation by ventilation device
On plate 103 or be external in housing 101) draw to the pump housing 1042 in second pressure chamber 1012, such that it is able to effectively simplify pressure
The overall structure of contracting machine 100 so that compressor 100 can meet miniaturization requirement, allows compressor 100 to meet winged
The use requirement in the fields such as machine, tank, steamer, bus, family-sized car, space shuttle, Teat pump boiler, freezing and refrigeration.It is comprehensive
Upper described, the refrigerating capacity of compressor 100 according to embodiments of the present invention is strong, lightweight, small volume, reliability are high.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, must rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；It can be direct phase
Connect, it is also possible to be indirectly connected to by intermediary, can be that the connection or two interactions of element of two element internals are closed
System.For the ordinary skill in the art, above-mentioned term in the present invention specific can as the case may be understood
Implication.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
Can these embodiments be carried out with various changes, modification, replacement and modification in the case of departing from principle of the invention and objective, this
The scope of invention is limited by claim and its equivalent.
Claims (13)
1. a kind of pump housing exhaust part for compressor, it is characterised in that the pump housing exhaust part includes body and is located at institute
The valve seat platform with the unilateral contact of air bleeding valve is stated on body and be suitable to, there is valve described in insertion successively on the pump housing exhaust part
The air release valve hole of seat platform and the body, the valve seat platform and the air release valve hole are smoothly transitted phase by being connected curved surface
Even so that the outlet side flaring of the air release valve hole, the connection curved surface intersects at the first intersection with the valve seat platform, described
Connection curved surface intersects at the second intersection with the air release valve hole, and aperture of the air release valve hole at second intersection is M,
In the air release valve hole radially, the distance between first intersection and second intersection L1 meet：0.05M<
L1<0.5M,
In the axial direction of the air release valve hole, the distance between first intersection and second intersection L2 meet：0.05M<
L2<0.5M。
2. the pump housing exhaust part for compressor according to claim 1, it is characterised in that the L1 further meets：
0.05M<L1<0.4M, and/or, the L2 further meets：0.05M<L2<0.4M.
3. the pump housing exhaust part for compressor according to claim 2, it is characterised in that the L1 further meets：
0.1M<L1<0.3M, and/or, the L2 further meets：0.1M<L2<0.3M.
4. the pump housing exhaust part for compressor according to claim 1, it is characterised in that the L1 further meets：
0.2mm<L1<2.0mm, and/or, the L2 further meets：0.2mm<L2<2.0mm.
5. the pump housing exhaust part for compressor according to claim 4, it is characterised in that the L1 further meets：
0.2mm<L1<1.5mm, and/or, the L2 further meets：0.2mm<L2<1.5mm.
6. the pump housing exhaust part for compressor according to claim 5, it is characterised in that the L1 further meets：
0.5mm<L1<1.5mm, and/or, the L2 further meets：0.5mm<L2<1.5mm.
7. the pump housing exhaust part for compressor according to any one of claim 1-6, it is characterised in that the connection
Curved surface is that bus is the surface of revolution of circular arc line.
8. the pump housing exhaust part for compressor according to any one of claim 1-6, it is characterised in that the exhaust
The central axis upright of valve opening is in the working face of the valve seat platform.
9. the pump housing exhaust part for compressor according to any one of claim 1-6, it is characterised in that the exhaust
Valve opening is equal diameter circular hole.
10. a kind of pump housing for compressor, it is characterised in that including：
Cylinder assembly, has compression chamber on the cylinder assembly；
The pump housing exhaust part for compressor according to any one of claim 1-9, the pump housing exhaust part is located at institute
State the axial side of cylinder assembly and the air release valve hole is communicated to the compression chamber；
Exhaust valve plate, the exhaust valve plate be located at the pump housing exhaust part away from the cylinder assembly side and for being opened and closed
The air release valve hole.
A kind of 11. compressors, it is characterised in that including：Housing is with the drive mechanism being located in the housing and according to right
It is required that the pump housing for compressor described in 10, wherein, the pump housing is connected with the drive mechanism by bent axle.
12. compressors according to claim 11, it is characterised in that also include：Demarcation strip, the demarcation strip is located at described
Be isolated between drive mechanism and the pump housing and by the inner chamber of the housing accommodate the drive mechanism First pressure chamber and
Accommodate the second pressure chamber of the pump housing, the bent axle is through the demarcation strip with by the driving in the First pressure chamber
Mechanism is connected to the pump housing in the second pressure chamber.
13. compressor according to claim 11 or 12, it is characterised in that the compressor is carbon-dioxide gas compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054900.8A CN106704200A (en) | 2017-01-24 | 2017-01-24 | Compressor, pump body and pump body gas-exhaust part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054900.8A CN106704200A (en) | 2017-01-24 | 2017-01-24 | Compressor, pump body and pump body gas-exhaust part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106704200A true CN106704200A (en) | 2017-05-24 |
Family
ID=58909605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710054900.8A Pending CN106704200A (en) | 2017-01-24 | 2017-01-24 | Compressor, pump body and pump body gas-exhaust part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704200A (en) |
Cited By (2)
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| CN108194326A (en) * | 2018-01-31 | 2018-06-22 | 珠海凌达压缩机有限公司 | A kind of compressor |
| CN108917084A (en) * | 2018-07-12 | 2018-11-30 | Tcl空调器(中山)有限公司 | A kind of compressor of air conditioner noise-reduction method and air conditioner |
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| PB01 | Publication | ||
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Application publication date: 20170524 |