CN108223374A - Pump assembly, fluid machinery and heat transmission equipment - Google Patents

Pump assembly, fluid machinery and heat transmission equipment Download PDF

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Publication number
CN108223374A
CN108223374A CN201810001926.0A CN201810001926A CN108223374A CN 108223374 A CN108223374 A CN 108223374A CN 201810001926 A CN201810001926 A CN 201810001926A CN 108223374 A CN108223374 A CN 108223374A
Authority
CN
China
Prior art keywords
rotor
contact site
pump assembly
cylinder
slide plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810001926.0A
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Chinese (zh)
Other versions
CN108223374B (en
Inventor
刘靖
魏会军
朱红伟
王大号
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Original Assignee
Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd filed Critical Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority to CN201810001926.0A priority Critical patent/CN108223374B/en
Publication of CN108223374A publication Critical patent/CN108223374A/en
Application granted granted Critical
Publication of CN108223374B publication Critical patent/CN108223374B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • F04C18/3562Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/06Silencing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00Components
    • F04C2240/20Rotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00Components
    • F04C2240/30Casings or housings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00Components
    • F04C2240/80Other components

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary Pumps (AREA)

Abstract

The present invention provides a kind of pump assembly, fluid machinery and heat transmission equipments.Wherein, pump assembly includes:Cylinder has inner cavity and the sliding vane groove being connected with inner cavity;Vibration-proof structure, including contact site, contact site is slidably disposed on cylinder;Rotor, rotor are rotatably arranged in inner cavity, and rotor can be in contact with contact site;Slide plate, it is slidably disposed in sliding vane groove, the head of slide plate is in contact with the peripheral surface of rotor, along the rotation direction of rotor, there is predetermined included angle A, and predetermined included angle A is more than or equal to 90 ° and less than or equal to 180 ° between the second line between the first line and contact site and the center of cylinder between slide plate and the center of cylinder.Present invention efficiently solves the problem of the vibration of pump assembly in the prior art and larger noise.

Description

Pump assembly, fluid machinery and heat transmission equipment
Technical field
The present invention relates to pump housing technical field, in particular to a kind of pump assembly, fluid machinery and heat transmission equipment.
Background technology
Single-turn minor compressor with rolling rotor is very extensive in the application of household field of air conditioning.However, due to single-turn minor For compressor with rolling rotor only there are one working chamber, the peak value for the moment of resistance that rotor is born is far longer than two-spool compressor transfer The moment of resistance peak value that son is born so that the fluctuation for the moment of resistance that rotor is born is larger, and torque ripple is the vibration of compressor Source, and then cause the gas fluctuation of single-rotor compressor big, the noise of single-rotor compressor and vibration are larger.
Invention content
It is a primary object of the present invention to provide a kind of pump assembly, fluid machinery and heat transmission equipment, to solve existing skill The problem of vibration of art middle pump body component and larger noise.
To achieve these goals, according to an aspect of the invention, there is provided a kind of pump assembly, including:Cylinder, tool There are inner cavity and the sliding vane groove being connected with inner cavity;Vibration-proof structure, including contact site, contact site is slidably disposed on cylinder; Rotor, rotor are rotatably arranged in inner cavity, and rotor can be in contact with contact site;Slide plate is slidably disposed on cunning In film trap, the head of slide plate is in contact with the peripheral surface of rotor, along the rotation direction of rotor, between slide plate and the center of cylinder Between the second line between the center of first line and contact site and cylinder have predetermined included angle A, and predetermined included angle A be more than etc. In 90 ° and less than or equal to 180 °.
Further, predetermined included angle A is more than or equal to 120 ° and less than or equal to 180 °.
Further, predetermined included angle A is 180 °.
Further, during rotor moves at slide plate present position towards contact site, contact site is applied to rotor Add resistance, during rotor is at contact site present position towards vane motion, contact site applies motive force to rotor.
Further, cylinder has the link slot being connected with inner cavity, and contact site is slidably disposed in link slot.
Further, link slot radially extending along cylinder.
Further, when slide plate stretches into the length maximum of inner cavity, one end of the separate rotor of contact site and link slot There is predetermined gap between one end far from rotor.
Further, contact site had recirculation hole, and after contact site is stretched into cylinder, crossing recirculation hole will be located in cylinder The two chambers of contact site both sides are connected.
Further, contact site is platy structure, and notch is cut off to form recirculation hole at the one side edge of platy structure.
Further, vibration-proof structure further includes:Return unit, is arranged on one end of the separate rotor of contact site, and return unit is given The reset force that contact site offer is moved towards rotor side.
According to another aspect of the present invention, a kind of fluid machinery is provided, including above-mentioned pump assembly.
According to another aspect of the present invention, a kind of heat transmission equipment is provided, including above-mentioned fluid machinery.
It applies the technical scheme of the present invention, pump assembly includes cylinder, vibration-proof structure, rotor and slide plate.Wherein, cylinder has There are inner cavity and the sliding vane groove being connected with inner cavity.Vibration-proof structure includes contact site, and contact site is slidably disposed on cylinder.Turn Son is rotatably arranged in inner cavity, and rotor can be in contact with contact site.Slide plate is slidably disposed in sliding vane groove, sliding The head of piece is in contact with the peripheral surface of rotor, along the rotation direction of rotor, the first line between slide plate and the center of cylinder Between the second line between contact site and the center of cylinder have predetermined included angle A, and predetermined included angle A be more than or equal to 90 ° and Less than or equal to 180 °.In this way, in pump assembly operational process, contact site can be contacted with the peripheral surface of rotor, can be to turning Son generates the moment of resistance, the moment of resistance that increase rotor is subject to;It can be rotated again with auxiliary pushing rotor, reduce the resistance that rotor is subject to Torque so that the fluctuation of the moment of resistance suffered by rotor reduces, weakens the gas pulsation in pump assembly, reduces pump assembly Vibration and noise.
When pump assembly just starts, the moment of resistance that rotor is subject to is minimum, and rotor can be applied by contact site to it The moment of resistance.When pump assembly just starts in the prior art compared with the stressing conditions of rotor, suffered by the rotor in the application The moment of resistance increase.Later, in pump assembly normal course of operation, the indoor pressure differential of chamber positioned at slide plate both sides gradually increases Greatly, the moment of resistance that rotor is subject to gradually increases, and contact site auxiliary pushing rotor is rotated at this time, is reduced suffered by rotor The moment of resistance so that the moment of resistance fluctuation range smaller suffered by rotor.In this way, in the pump assembly whole service period Interior, the pump assembly in the application can increase the minimum drag square suffered by rotor, reduce the maximum resistance suffered by rotor Square, achieve the purpose that balance, weaken the moment of resistance fluctuation, thereby reduce pump assembly in the process of running it is generated vibration and Noise improves the working efficiency and working performance of pump assembly, improves user experience.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows Meaning property embodiment and its explanation do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 shows the sectional view when rotor of the embodiment one of pump assembly according to the present invention is in 0 °;
Fig. 2 shows the pump assembly in Fig. 1 rotor be in 180 ° when sectional view;
Fig. 3 shows the vertical view of the contact site in Fig. 1;And
Fig. 4 shows the side view of the contact site in Fig. 1.
Wherein, above-mentioned attached drawing is marked including the following drawings:
10th, cylinder;11st, inner cavity;12nd, sliding vane groove;13rd, link slot;14th, buffer compression chamber;20th, rotor;30th, slide plate;41、 Contact site;411st, recirculation hole is crossed;50th, bent axle.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the case where not making to illustrate on the contrary, the noun of locality used is as " upper and lower " typically for attached drawing For shown direction or on vertical, vertical or gravity direction;Similarly, it for ease of understanding and retouches It states, " left and right " is typically for shown in the drawings left and right;" inside and outside " refers to the inside and outside of the profile relative to each component in itself, But the above-mentioned noun of locality is not intended to restrict the invention.
In order to solve the problems, such as that the vibration of pump assembly and noise are larger in the prior art, this application provides a kind of pump housings Component, fluid machinery and heat transmission equipment.
Embodiment one
As depicted in figs. 1 and 2, pump assembly includes cylinder 10, vibration-proof structure, rotor 20 and slide plate 30.Wherein, cylinder 10 The sliding vane groove 12 being connected with inner cavity 11 and with inner cavity 11.Vibration-proof structure includes contact site 41, and contact site 41 is slideably set It puts on cylinder 10.Rotor 20 is rotatably arranged in inner cavity 11, and rotor 20 can be in contact with contact site 41.Slide plate 30 It is slidably disposed in sliding vane groove 12, the head of slide plate 30 is in contact with the peripheral surface of rotor 20, along the rotation side of rotor 20 To, the second line between the first line and the center of contact site 41 and cylinder 10 between the center of slide plate 30 and cylinder 10 it Between there is predetermined included angle A, and predetermined included angle A is more than or equal to 90 ° and less than or equal to 180 °.
Using the technical solution of the present embodiment, in pump assembly operational process, contact site 41 can be outer with rotor 20 Circumferential surface contacts, and the moment of resistance, the moment of resistance that increase rotor 20 is subject to can be generated to rotor 20;Again can with auxiliary pushing rotor 20 into Row rotation reduces the moment of resistance that rotor 20 is subject to, so that the fluctuation of the moment of resistance suffered by rotor 20 reduces, weakens pump housing group Gas pulsation in part reduces vibration and the noise of pump assembly.
When pump assembly just starts, the moment of resistance that rotor 20 is subject to is minimum, and rotor 20 can by contact site 41 to Its moment of resistance applied.When pump assembly just starts in the prior art compared with the stressing conditions of rotor, turn in the present embodiment Moment of resistance increase suffered by son 20.Later, in pump assembly normal course of operation, the chamber positioned at 30 both sides of slide plate is indoor Pressure differential gradually increases, and the moment of resistance that rotor 20 is subject to gradually increases, and 41 auxiliary pushing rotor 20 of contact site is revolved at this time Turn, the moment of resistance suffered by rotor 20 is reduced, so that the moment of resistance fluctuation range smaller suffered by rotor 20.In this way, Within the pump assembly whole service period, the pump assembly in the present embodiment can increase the minimum drag suffered by rotor 20 Square reduces the maximum resistance square suffered by rotor 20, achievees the purpose that balance, weakens moment of resistance fluctuation, thereby reduces the pump housing Component generated vibration and noise in the process of running improve the working efficiency and working performance of pump assembly, improve user Usage experience.
Optionally, predetermined included angle A is more than or equal to 120 ° and less than or equal to 180 °.In this way, predetermined included angle A is in above-mentioned numerical value model Minimum drag square suffered by rotor 20 can be increased by enclosing interior guarantee vibration-proof structure, reduce the maximum resistance suffered by rotor 20 Square achievees the purpose that balance, weakens moment of resistance fluctuation.
As depicted in figs. 1 and 2, predetermined included angle A is 180 °.In this way, slide plate 30 and the line of contact site 41 cross cylinder 10 Center, so that the installation or dismounting of contact site 41 are more prone to.
Specifically, as depicted in figs. 1 and 2,20 present position of rotor is 0 ° in definition diagram, and rotor 20 rotates counterclockwise, Then the position (wave trough position) of the minimum drag square suffered by rotor 20 is in the range of 0~30 °, the position (wave of maximum resistance square Peak position) it is variant according to the operating mode difference of pump assembly, usually in the range of 200~300 °, the working chamber in cylinder 10 exists Compression process in pump assembly when in the range of 30~210 °, predetermined included angle A are set as 180 °.It is in this way, firm in pump assembly During startup or the compression initial stage of cylinder 10 (in the range of 0~30 °), contact site 41 can prevent rotor with 20 phase mutual friction of rotor 20 rotations, then the moment of resistance that rotor 20 is applied by contact site 41 to it, and then increase the minimum drag square that rotor 20 is subject to; In the compression later stage (in the range of 180~360 °) of cylinder 10, contact site 41 plays the role of the rotation of auxiliary pushing rotor 20, and then drops Maximum resistance square suffered by low rotor 20 so that the trough raising of the moment of resistance suffered by rotor 20, wave crest reduce, and reach Balance, the purpose for weakening moment of resistance fluctuation, advantageously reduce the vibration of pump assembly.
In the present embodiment, during rotor 20 moves at 30 present position of slide plate towards contact site 41, contact Portion 41 applies resistance to rotor 20, during rotor 20 moves at 41 present position of contact site towards slide plate 30, contact Portion 41 applies motive force to rotor 20.In this way, in pump assembly operational process, above-mentioned setting can play balance, weaken resistance The purpose of torque fluctuations reduces the gas fluctuation of pump assembly, and then reduces vibration and the noise of pump assembly, improves and uses Family usage experience.
As depicted in figs. 1 and 2, cylinder 10 has the link slot 13 being connected with inner cavity 11, and contact site 41 is slideably set It puts in link slot 13.In this way, contact site 41 is arranged in link slot 13, contact site 41 is slided along link slot 13, and then is made Contact site 41 movement it is simpler so that pump assembly internal structure simplify, reduce staff processing, Intensity is assembled, shortens assembling and processing takes.
As depicted in figs. 1 and 2, the radially extending along cylinder 10 of link slot 13.Specifically, during original state (at rotor 20 In the range of 0~30 °), contact site 41 can be contacted with the peripheral surface of rotor 20, and contact site 41 turns with the separate of link slot 13 There is buffer compression chamber 14 between one end of son 20, in 20 rotation process of rotor, the gradual quilt of gas in buffer compression chamber 14 Compression.As shown in Fig. 2, when rotor 20 turns to 180 °, the pressure of gas is maximum in buffer compression chamber 14.Later, rotor 20 Be rotated further, then gas compressed push contact site 41 slided towards rotor 20, then ensure contact site 41 always with rotor 20 Peripheral surface be in contact, ensure contact site 41 can play the role of balance, weaken rotor 20 the moment of resistance fluctuation.
In the present embodiment, the contact site 41 of reciprocating motion and buffer compression chamber 14 are provided on cylinder 10, to increase The moment of resistance that pump assembly compression process initial stage rotor 20 is subject to, and the moment of resistance that power alleviates rotor 20 is provided in compression latter stage Peak value, and then the vibration of pump assembly is reduced to a certain extent, widen the application range of pump assembly.Specifically, contact site 41 can together move with rotor 20, and when the compression initial stage moment of resistance is smaller, buffer compression chamber 14 can pass through contact site 41 The moment of resistance is generated to rotor 20;In compression latter stage, the gas expansion in buffer compression chamber 14 generates thrust to rotor 20, And then the moment of resistance in compression latter stage is reduced, to the original force rectangle of pump assembly into complementary mechanisms, rotor 20 is reduced to a certain degree The moment of resistance fluctuation, to reduce pump assembly vibration have positive effect.
As shown in Figure 1, when slide plate 30 stretches into the length maximum of inner cavity 11, one end of the separate rotor 20 of contact site 41 with There is predetermined gap between one end of the separate rotor 20 of link slot 13.Specifically, when slide plate 30 stretches into the length of inner cavity 11 most When big, the length that contact site 41 stretches into inner cavity 11 is minimum.In this way, above-mentioned setting can ensure that contact site 41 is stretching into inner cavity 11 Contact site 41 will not interfere with one end recurring structure of the separate rotor 20 of link slot 13 during length minimum so that contact site 41 is just Often operation.Meanwhile stretched at the length minimum position of inner cavity 11 in contact site 41, above-mentioned setting can ensure contact site 41 by It is skidded off after to the gas pressure in buffer compression chamber 14 from link slot 13, to provide the power that rotor 20 is promoted to rotate to rotor 20 Square, and then reduce the maximum resistance square that rotor 20 is subject to.
As shown in Figure 3 and Figure 4, contact site 41 had recirculation hole 411, after contact site 41 is stretched into cylinder 10, overcurrent Two chambers positioned at 41 both sides of contact site in cylinder 10 are connected by through-hole 411.In this way, in pump assembly operational process, Inner cavity 11 is only divided into Liang Ge sub-chamber under the action of slide plate 30, avoiding contact with portion 41 influences normally to compress work in cylinder 10 Make process.The structure of above structure is simple, is easily worked, realizes.
As shown in Figure 3 and Figure 4, contact site 41 is platy structure, and notch is cut off to be formed at the one side edge of platy structure Cross recirculation hole 411.Platy structure is inserted into link slot 13, and can be as rotor 20 is in the interior radial direction along cylinder 10 of link slot 13 It slides.After contact site 41 stretches into inner cavity 11, the chamber of both sides is connected by crossing recirculation hole 411, to prevent contact site 41 from influencing Air-breathing, compression and the exhaust event of cylinder 10.In this way, 411 contact site 41 of recirculation hole excessively for passing through removing method formation Structure is simpler, is easily worked.
In the present embodiment, pump assembly further includes bent axle 50, rotor 20 be set on the eccentric part of bent axle 50 and with Bent axle 50 rotates together.Wherein, rotor 20 is eccentrically rotated under the drive of bent axle 50, and slide plate 30 forms rotor 20 and cylinder 10 Working chamber be separated into high pressure chest and low pressure chamber, it is (bent that rotor 20 is formed under the action of the combinations such as pressure difference, frictional force, slide plate power Axis 50) the moment of resistance, wherein pressure difference formed gas force be rotor 20 (bent axle 50) moment of resistance major part.In this way, pumping Body component compresses initial stage:When rotor 20 rotates, contact site 41 can prevent rotor 20 from rotating, then turn with 20 phase mutual friction of rotor The moment of resistance that son 20 is applied by contact site 41 to it, and then increase the minimum drag square that rotor 20 is subject to;In pump assembly pressure Contracting later stage, on high-tension side pressure are gradually formed with the reduction of swept volume, and the moment of resistance that pressure difference and pressure difference are formed is with rotor 20 Rotation increase always, then contact site 41 to rotor 20 provide motive force, and then reduce compression latter stage the moment of resistance, reduce resistance Square peak value, and then reduce the fluctuation of the moment of resistance, reduce vibration and the noise of pump assembly.
In the present embodiment, the operational process of pump assembly is as follows:It is rotated since slide plate 30 to contact site in bent axle 50 41 this process, gradually form high-low pressure working chamber in working chamber, and the pressure in high pressure chest gradually rises.At the same time, it buffers Compression chamber 14, in compressive state, increases the moment of resistance of rotor 20 (bent axle 50) under the reciprocating motion of contact site 41;In bent axle 50 rotate from contact site 41 to this process of slide plate 30, and the high pressure cavity pressure in working chamber continues to be increased to pressure at expulsion, rotor The moment of resistance that 20 (bent axles 50) are subject to reaches peak value.At the same time, the gas in buffer compression chamber 14 starts to expand against contact Portion 41 moves back and forth, and generates motive force to rotor 20 (bent axle 50), reduces the moment of resistance peak value of rotor 20 (bent axle 50).
Present invention also provides a kind of fluid machinery (not shown), including above-mentioned pump assembly.Optionally, fluid machinery For compressor.
Present invention also provides a kind of heat transmission equipment (not shown), including above-mentioned fluid machinery.Optionally, heat transmission equipment For air conditioner.In this way, the stress that can prevent air conditioner internal duct using the pump assembly in the present embodiment in air conditioner should Become and exception occur, promote the functional reliability of air conditioner.
Embodiment two
Pump assembly in embodiment two and embodiment one difference lies in:Vibration-proof structure is different.
In the present embodiment, vibration-proof structure further includes return unit.Wherein, return unit is arranged on the separate rotor of contact site One end, the reset force that return unit is moved to contact site offer towards rotor side.In this way, it is in the range of 0~30 ° in rotor (wave trough position), return unit provide reset force to contact site, so that the peripheral surface of contact site and rotor is in close contact, then contact site Rubbing action is generated between rotor, and then increases the moment of resistance that rotor is subject to.After rotor turns over 30 °, the gas in inner cavity is opened Beginning is compressed, and the moment of resistance that rotor is subject to gradually increases, and contact site constantly compresses return unit.When rotor turns to 180 °, connect The length that contact portion is stretched into link slot is maximum, and the reset force generated on return unit is maximum.Later, rotor is rotated further, so that gas Cylinder 10 is in the compression later stage, and return unit is to the reset force that is moved towards rotor side of contact site application, so that contact site can be with The peripheral surface contact of rotor, ensure contact site can the rotation of auxiliary pushing rotor, thereby reduce the maximum resistance suffered by rotor Torque so that the trough raising of the moment of resistance suffered by rotor, wave crest reduce, and achieve the purpose that balance, weaken moment of resistance fluctuation, Advantageously reduce the vibration of pump assembly.
It can be seen from the above description that the above embodiments of the present invention realize following technique effect:
In pump assembly operational process, contact site contacts always with the peripheral surface of rotor, can generate resistance to rotor Square, the moment of resistance that increase rotor is subject to;It can be rotated again with auxiliary pushing rotor, reduce the moment of resistance that rotor is subject to, and then So that rotor suffered by the moment of resistance fluctuation reduce, weaken pump assembly in gas pulsation, reduce pump assembly vibration and Noise.
When pump assembly just starts, the moment of resistance that rotor is subject to is minimum, and rotor is applied by contact site to it at this time The moment of resistance.When pump assembly just starts in the prior art compared with the stressing conditions of rotor, suffered by the rotor in the application The moment of resistance increase.Later, in pump assembly normal course of operation, the indoor pressure differential of chamber positioned at slide plate both sides gradually increases Greatly, the moment of resistance that rotor is subject to gradually increases, and contact site auxiliary pushing rotor is rotated at this time, is reduced suffered by rotor The moment of resistance so that the moment of resistance fluctuation range smaller suffered by rotor.In this way, in the pump assembly whole service period Interior, the pump assembly in the application can increase the minimum drag square suffered by rotor, reduce the maximum resistance suffered by rotor Square, achieve the purpose that balance, weaken the moment of resistance fluctuation, thereby reduce pump assembly in the process of running it is generated vibration and Noise improves the working efficiency and working performance of pump assembly, improves user experience.
Obviously, above-mentioned described embodiment is only the embodiment of a present invention part, instead of all the embodiments. Based on the embodiments of the present invention, what those of ordinary skill in the art were obtained without making creative work is all Other embodiment should all belong to the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, work, device, component and/or combination thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, " Two " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way Data can be interchanged in the appropriate case, so that presently filed embodiment described herein can be in addition to illustrating herein Or the sequence other than those of description is implemented.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (12)

1. a kind of pump assembly, which is characterized in that including:
Cylinder (10) has inner cavity (11) and the sliding vane groove (12) being connected with the inner cavity (11);
Vibration-proof structure, including contact site (41), the contact site (41) is slidably disposed on the cylinder (10);
Rotor (20), the rotor (20) are rotatably arranged in the inner cavity (11), and the rotor (20) can be with institute Contact site (41) is stated to be in contact;
Slide plate (30) is slidably disposed in the sliding vane groove (12), head and the rotor (20) of the slide plate (30) Peripheral surface be in contact, along the rotation direction of the rotor (20), between the center of the slide plate (30) and the cylinder (10) The first line and the center of the contact site (41) and the cylinder (10) between the second line between have predetermined angle A, and the predetermined included angle A is more than or equal to 90 ° and less than or equal to 180 °.
2. pump assembly according to claim 1, which is characterized in that the predetermined included angle A is more than or equal to 120 ° and is less than Equal to 180 °.
3. pump assembly according to claim 1 or 2, which is characterized in that the predetermined included angle A is 180 °.
4. pump assembly according to claim 3, which is characterized in that residing from the slide plate (30) in the rotor (20) During being moved at position towards the contact site (41), the contact site (41) applies resistance to the rotor (20), During the rotor (20) moves at the contact site (41) present position towards the slide plate (30), the contact site (41) apply motive force to the rotor (20).
5. pump assembly according to claim 1, which is characterized in that the cylinder (10) has and the inner cavity (11) phase The link slot (13) of connection, the contact site (41) are slidably disposed in the link slot (13).
6. pump assembly according to claim 5, which is characterized in that diameter of the link slot (13) along the cylinder (10) To extension.
7. pump assembly according to claim 5, which is characterized in that when the slide plate (30) stretches into the inner cavity (11) During length maximum, one end far from the rotor (20) of the contact site (41) turns with the link slot (13) far from described There is predetermined gap between the one end of sub (20).
8. pump assembly according to claim 1, which is characterized in that the contact site (41) had recirculation hole (411), After the contact site (41) is stretched into the cylinder (10), the recirculation hole (411) of crossing will be located at institute in the cylinder (10) The two chambers for stating contact site (41) both sides are connected.
9. pump assembly according to claim 8, which is characterized in that the contact site (41) be platy structure, the plate Notch is cut off at the one side edge of shape structure to form the recirculation hole (411) excessively.
10. pump assembly according to claim 1, which is characterized in that the vibration-proof structure further includes:
Return unit, is arranged on one end far from the rotor (20) of the contact site (41), and the return unit gives the contact Portion (41) provides the reset force moved towards the rotor (20) side.
11. a kind of fluid machinery, which is characterized in that including the pump assembly described in any one of claims 1 to 10.
12. a kind of heat transmission equipment, which is characterized in that including the fluid machinery described in claim 11.
CN201810001926.0A 2018-01-02 2018-01-02 Pump body assembly, fluid machinery and heat exchange equipment Active CN108223374B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07293474A (en) * 1994-04-25 1995-11-07 Matsushita Refrig Co Ltd Rotary compressor
JPH08193585A (en) * 1995-01-17 1996-07-30 Sanyo Electric Co Ltd Rotary compressor
JP2006152950A (en) * 2004-11-30 2006-06-15 Sanyo Electric Co Ltd Multi-stage compression type rotary compressor
JP2012215119A (en) * 2011-03-31 2012-11-08 Nissin Kogyo Co Ltd Vane pump
CN102828951A (en) * 2011-06-13 2012-12-19 广东美芝制冷设备有限公司 Double-slip-sheet type rotary compressor
CN105927537A (en) * 2016-06-22 2016-09-07 珠海格力节能环保制冷技术研究中心有限公司 Pump body assembly and compressor with same
CN107061276A (en) * 2017-03-24 2017-08-18 广东美芝精密制造有限公司 Rotary compressor
CN107120280A (en) * 2017-07-12 2017-09-01 张均 Compression set and compressor
CN207974959U (en) * 2018-01-02 2018-10-16 珠海格力节能环保制冷技术研究中心有限公司 Pump assembly, fluid machinery and heat transmission equipment

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07293474A (en) * 1994-04-25 1995-11-07 Matsushita Refrig Co Ltd Rotary compressor
JPH08193585A (en) * 1995-01-17 1996-07-30 Sanyo Electric Co Ltd Rotary compressor
JP2006152950A (en) * 2004-11-30 2006-06-15 Sanyo Electric Co Ltd Multi-stage compression type rotary compressor
JP2012215119A (en) * 2011-03-31 2012-11-08 Nissin Kogyo Co Ltd Vane pump
CN102828951A (en) * 2011-06-13 2012-12-19 广东美芝制冷设备有限公司 Double-slip-sheet type rotary compressor
CN105927537A (en) * 2016-06-22 2016-09-07 珠海格力节能环保制冷技术研究中心有限公司 Pump body assembly and compressor with same
CN107061276A (en) * 2017-03-24 2017-08-18 广东美芝精密制造有限公司 Rotary compressor
CN107120280A (en) * 2017-07-12 2017-09-01 张均 Compression set and compressor
CN207974959U (en) * 2018-01-02 2018-10-16 珠海格力节能环保制冷技术研究中心有限公司 Pump assembly, fluid machinery and heat transmission equipment

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