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WO2019061898A1 - Ensemble corps de pompe, machinerie à fluide et appareil d'échange de chaleur - Google Patents

Ensemble corps de pompe, machinerie à fluide et appareil d'échange de chaleur Download PDF

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Publication number
WO2019061898A1
WO2019061898A1 PCT/CN2017/118331 CN2017118331W WO2019061898A1 WO 2019061898 A1 WO2019061898 A1 WO 2019061898A1 CN 2017118331 W CN2017118331 W CN 2017118331W WO 2019061898 A1 WO2019061898 A1 WO 2019061898A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump body
body assembly
sliding
slider
fixing bracket
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.)
Ceased
Application number
PCT/CN2017/118331
Other languages
English (en)
Chinese (zh)
Inventor
邓丽颖
杨国蟒
梁社兵
万鹏凯
徐嘉
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.)
Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Original Assignee
Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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 Gree Green Refrigeration Technology Center Co Ltd of Zhuhai filed Critical Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Publication of WO2019061898A1 publication Critical patent/WO2019061898A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-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
    • F04C18/34—Rotary-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
    • F04C18/344—Rotary-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 inner member
    • 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

Definitions

  • the invention relates to the technical field of compressors, in particular to a pump body assembly, a fluid machine and a heat exchange device.
  • the rotary compressor has a larger stroke of the slider.
  • the slide spring is prone to bending and deformation, causing the head of the slide to be disengaged from the inner wall of the cylinder, and the tail of the slide hits the slide groove, and the slide is prone to occur after being extended again.
  • the above phenomenon easily causes the sliding piece to disengage from the cylinder, causing an impact between the sliding piece, the cylinder and the sliding groove, resulting in damage to the internal structure of the compressor and shortening the service life of the compressor.
  • the above situation tends to cause the sealing of each chamber in the cylinder to be reduced, and the gas compression is insufficient, which seriously affects the working performance of the compressor.
  • the main object of the present invention is to provide a pump body assembly, a fluid machine, and a heat exchange device to solve the problem that the slider and the cylinder of the pump body assembly are easily detached.
  • a pump body assembly includes: a rotating shaft having a rotor portion, and a plurality of sliding vanes are disposed on the rotor portion; the cylinder, the rotating shaft is disposed in the cylinder, and The cylinder has an inner cavity; a plurality of sliding pieces, a plurality of sliding pieces are slidably disposed in each sliding groove, the head of the sliding piece is in contact with the cavity wall of the inner cavity; and a plurality of sliding piece springs are disposed on each sliding piece
  • the sliding spring is located in the tail of each sliding piece; a plurality of guiding structures are disposed in each sliding slot, and the guiding structure protrudes in the moving direction of the sliding piece, and the sliding spring is sleeved on the guiding structure.
  • a sliding plate hole is disposed on an end surface of the sliding piece adjacent to the sliding spring, and the guiding structure extends into the sliding hole.
  • the pump body assembly further includes a fixing bracket, and the guiding structure is fixed in the sliding slot by the fixing bracket.
  • a slot structure is arranged on the slot wall of the sliding slot, and the fixing bracket is clamped in the limiting structure to prevent the fixed bracket from moving relative to the sliding slot.
  • the fixing bracket has a plate shape, and the guiding structure is perpendicular to the plate-shaped fixing bracket.
  • the fixing bracket is an I-shaped structure.
  • the end of the fixing bracket has a locking protrusion
  • the end surface of the rotor portion along the axial direction of the rotating shaft is provided with a finite recess
  • the engaging protrusion is embedded in the limiting recess
  • the depth H1 and the card of the limiting recess The heights H2 of the joints are equal.
  • the fixing bracket includes two sub-brackets, and the ends of the two sub-frames away from each other have the engaging protrusions, and each of the sub-brackets is provided with a guiding structure.
  • the guiding structure comprises: a boss structure disposed at an end of the guiding structure near the fixing bracket, and the boss structure can cooperate with the sliding spring stop.
  • the limiting structure is a limiting slot formed on the slot wall of the sliding slot.
  • the two groove walls of the opposite arrangement of the sliding groove are provided with a finite structure, and the connecting line L1 of the two limiting structures is perpendicular to the moving direction of the sliding piece.
  • the slot width W of the slider slot the distance W1 between the two limiting structures, where W ⁇ W1.
  • two or more slider holes are disposed on the slider.
  • the guiding structure is a columnar structure, and the difference between the inner diameter D1 of the vane spring and the radial dimension D3 of the guiding structure is ⁇ D1, wherein 0.01 mm ⁇ D1 ⁇ 0.03 mm.
  • the slider hole includes a first hole segment and a second hole segment which are sequentially connected, the guiding structure extends into the first hole segment, and the difference between the diameter D4 of the first hole segment and the radial dimension D3 of the guiding structure Is ⁇ D2, where 0.01mm ⁇ D2 ⁇ 0.03mm; the aperture D5 of the second hole segment is smaller than the aperture D4 of the first hole segment, and the difference between the aperture D5 of the second hole segment and the outer diameter D2 of the vane spring is ⁇ D3, Wherein, 0.01 mm ⁇ ⁇ D3 ⁇ 0.03 mm.
  • the distance between the guide structure and the tail vane is X1
  • the distance between the guide structure and the tail vane is X1
  • the distance between the guide structure and the tail vane is X1
  • the distance between the guide structure and the tail vane is X1
  • the distance between the guide structure and the tail vane is X1
  • the distance between the guide structure and the tail vane is X1
  • the slide extends into the lumen of the maximum length
  • the length of the slider spring is L max
  • the depth of the first hole segment is X2
  • the depth of the second hole segment is X3
  • the length of the guiding structure is X4
  • the fixing bracket is provided with a plurality of guiding structures, and the plurality of guiding structures are spaced apart along the vertical extending direction of the fixing bracket.
  • a fluid machine including the pump body assembly described above.
  • a heat exchange apparatus comprising the fluid machine described above.
  • the pump body assembly includes a rotating shaft, a cylinder, a plurality of sliding sheets, a plurality of sliding springs and a plurality of guiding structures.
  • the rotating shaft has a rotor portion, and the rotor portion is provided with a plurality of sliding vanes.
  • the rotating shaft is bored in the cylinder, and the cylinder has an inner cavity.
  • a plurality of sliding sheets are slidably disposed in the respective sliding groove, and the head of the sliding piece is in contact with the cavity wall of the inner cavity.
  • a plurality of vane springs are disposed in each of the vane slots, and each vane spring is located at a tail portion of each of the vanes.
  • a plurality of guiding structures are disposed in each of the sliding slot, and the guiding structure protrudes in a moving direction of the sliding piece, and the sliding spring is sleeved on the guiding structure.
  • the vane spring is sleeved on the guiding structure to guide the vane spring, and the vane spring does not undergo bending deformation, and the head of the sliding vane can always be ensured with the inner cavity.
  • the walls of the chamber are in contact so that the vanes are placed against the cylinder.
  • the sliding piece of the pump body assembly of the present application and the cavity wall of the inner cavity are always in close contact with each other, and the phenomenon that the tail portion of the sliding piece hits the sliding piece groove or the head of the sliding piece hits the cylinder occurs, thereby extending the sliding piece,
  • the service life of the cylinder and the shaft reduces the vibration and noise generated during the operation of the pump body assembly.
  • the pump body assembly of the present application can ensure the sealing of each chamber of the cylinder and improve the working performance of the pump body assembly.
  • Figure 1 shows a front view of a first embodiment of a pump body assembly according to the present invention
  • Figure 2 is a cross-sectional view taken along line A-A of the pump body assembly of Figure 1;
  • Figure 3 is a front elevational view showing the rotating shaft of the pump body assembly of Figure 1;
  • Figure 4 is a cross-sectional view taken along the line B-B of the rotating shaft of Figure 3;
  • Figure 5 is a perspective view showing the assembled structure of the slider spring, the guiding structure and the fixing bracket of Figure 1;
  • Figure 6 is a perspective view showing the guide structure and the fixing bracket of Figure 1;
  • Figure 7 shows a cross-sectional view of the slider of Figure 1;
  • Figure 8 is a partial structural view showing the head of the slide body of the pump body assembly of Figure 1 when it is completely positioned in the slide groove;
  • Figure 9 is a partial structural view showing the length of the sliding piece of the pump body assembly of Figure 1 extending into the inner cavity;
  • Figure 10 is a front elevational view of the slider spring of Figure 1;
  • Figure 11 is a perspective view showing the guide structure and the fixing bracket of the second embodiment of the pump body assembly according to the present invention.
  • Figure 12 is a perspective view showing the guide structure and the fixing bracket of the third embodiment of the pump body assembly according to the present invention.
  • Figure 13 is a perspective view showing the guide structure and the fixing bracket of the fourth embodiment of the pump body assembly according to the present invention.
  • Figure 14 is a front elevational view showing the rotating shaft of the pump body assembly of the fourth embodiment of the pump body assembly according to the present invention.
  • Fig. 15 is a cross-sectional view taken along line C-C of the rotating shaft of Fig. 14.
  • orientation words used such as “up and down”, are generally referred to in the directions shown in the drawings, or in the vertical, vertical or gravity directions, without being otherwise described.
  • “left and right” are generally for the left and right as shown in the drawing; “inside and outside” refer to the inside and outside of the contour of each component, but the above orientation Words are not intended to limit the invention.
  • the present application provides a pump body assembly, a fluid machine and a heat exchange device.
  • the pump body assembly includes a rotating shaft 10, a cylinder 20, a plurality of sliding sheets 30, a plurality of vane springs 40, and a plurality of guiding structures 50.
  • the rotating shaft 10 has a rotor portion 11, and the rotor portion 11 is provided with a plurality of slider grooves 111.
  • the rotating shaft 10 is bored in the cylinder 20, and the cylinder 20 has a cavity 21.
  • a plurality of sliders 30 are slidably disposed in the respective slider grooves 111, and the heads of the sliders 30 are in contact with the cavity walls of the inner chamber 21.
  • a plurality of vane springs 40 are disposed in each of the vane slots 111, and each vane spring 40 is located at the tail of each of the vanes 30.
  • a plurality of guiding structures 50 are disposed in each of the sliding groove 111, and the guiding structure 50 projects in the moving direction of the sliding piece 30, and the sliding spring 40 is sleeved on the guiding structure 50.
  • the vane spring 40 is sleeved on the guiding structure 50 to guide the vane spring 40, and the vane spring 40 does not undergo bending deformation, and the head of the sliding vane 30 can be ensured.
  • the chamber wall of the inner chamber 21 is always in contact such that the slider 30 is placed against the cylinder 20.
  • the sliding plate 30 of the pump body assembly of the present embodiment and the cavity wall of the inner cavity 21 are always in close contact with each other, so that the tail portion of the sliding plate 30 can be prevented from colliding with the sliding plate groove 111 or the head of the sliding plate 30 hits the cylinder 20.
  • the pump body assembly of the present embodiment can ensure the sealing of the respective chambers of the cylinder 20 and improve the working performance of the pump body assembly.
  • the end surface of the slider 30 adjacent to the slider spring 40 is provided with a slider hole 31, and the guiding structure 50 projects into the slider hole 31.
  • the vane spring 40 and the guiding structure 50 always extend into the vane hole 31, so that the vane spring 40 does not always undergo bending deformation in the vane slot 111, and The effective support of the slider spring 40 to the tail of the slider 30 is achieved, and the vane spring 40 is compressed along the direction of movement of the slider 30, thereby ensuring that the head of the slider 30 is always in contact with the inner wall of the cylinder 20 and There is no impact with the cylinder 20.
  • the above structure has a simple structure, is easy to assemble, and can ensure the motion reliability of the guide structure 50.
  • the pump body assembly further includes a fixing bracket 60, and the guiding structure 50 is fixed in the slider groove 111 by the fixing bracket 60.
  • the guiding structure 50 is disposed on the fixing bracket 60, and the fixing bracket 60 and the sliding slot 111 are fixed to fix the guiding structure 50 and the sliding slot 111.
  • the structure described above is simple in structure and easy to implement.
  • the fixing bracket 60 is easy to process and has less influence on the structural strength of the rotating shaft 10, thereby prolonging the service life of the pump body assembly.
  • the fixing manner of the guiding structure 50 is not limited thereto, as long as the guiding structure 50 can be prevented from moving relative to the sliding slot 111.
  • the guide structure 50 is threaded or welded to the vane slot 111.
  • a slot structure 111a is disposed on the slot wall of the slider slot 111, and the fixing bracket 60 is locked in the limiting structure 111a to prevent the fixing bracket 60 from moving relative to the slider slot 111.
  • the limiting structure 111a is engaged with the fixing bracket 60, and the fixing of the fixing bracket 60 and the sliding slot 111 is facilitated, that is, the guiding structure 50 and the sliding slot 111 are fixed.
  • the engagement of the fixing bracket 60 with the limiting structure 111a makes the installation or disassembly between the two easier and more convenient.
  • the fixing manner of the fixing bracket 60 and the limiting structure 111a is not limited thereto.
  • the fixing bracket 60 is connected to the limiting structure 111a by a fastener or welded or riveted.
  • the fixing bracket 60 has a plate shape, and the guiding structure 50 is perpendicular to the plate-shaped fixing bracket 60.
  • the above structure has a simple structure and is easy to process.
  • the above arrangement also makes the processing of the limiting structure 111a easier, that is, in the same sliding groove 111, the two groove walls of the opposite arrangement of the sliding groove 111 are provided with the limiting structure 111a, and the two limiting structures 111a
  • the wire L1 is disposed perpendicular to the moving direction of the slider 30.
  • the fixing bracket 60 is locked in the limiting structure 111a, so that the extending direction of the guiding structure 50 is along the moving direction of the sliding piece 30, thereby preventing the sliding spring 40 from being deformed in other directions, and ensuring the normal operation of the pump body assembly.
  • angle between the guiding structure 50 and the fixing bracket 60 is not limited thereto, as long as the guiding structure 50 can be disposed along the moving direction of the sliding sheet 30.
  • the limiting structure 111a is a limiting slot formed on the groove wall of the sliding slot 111.
  • the limit groove has a simple structure and is easy to process, thereby reducing the processing cost of the pump body assembly and reducing the labor intensity of the worker.
  • the limiting slot is a rectangular slot.
  • the rectangular groove has a simple structure and is easy to process.
  • the shape of the groove cross section of the limiting groove is not limited thereto.
  • the limiting slot is an arcuate slot.
  • two or more slider holes 31 are disposed on the slider 30.
  • the slider 30 is provided with two slider holes 31 , and the two slider holes 31 are respectively located on two sides of the horizontal plane where the geometric center of the slider 30 is located. And the two slider holes 31 are symmetrically arranged along the horizontal plane. In this way, the above arrangement can ensure that the force of the sliding piece 30 is more uniform, and the movement of the sliding piece 30 is more stable, the working performance of the pump body assembly is improved, the vibration and noise generated during the starting or running of the pump body assembly are reduced, and the user is improved. Use experience.
  • the position at which the slider hole 31 is disposed is not limited thereto.
  • the selection and arrangement of the slider spring 40 is such that the slider 30 is subjected to force balance and torque balance.
  • the guide structure 50 is a columnar structure, and the difference between the inner diameter D1 of the vane spring 40 and the radial dimension D3 of the guide structure 50 is ⁇ D1, where 0.01 mm ⁇ ⁇ D1 ⁇ 0.03 mm.
  • the above-mentioned arrangement ensures that the vane spring 40 can be sleeved outside the guide structure 50, and on the other hand, the gap between the two can be prevented from being excessively large, resulting in a significant sway of the vane spring 40 during operation of the pump body assembly. In this way, the above numerical range can ensure the smooth operation of the pump body assembly, thereby improving the working performance of the pump body assembly.
  • the slider hole 31 includes a first hole segment 311 and a second hole segment 312 which are sequentially connected, the guiding structure 50 extends into the first hole segment 311, and the aperture D4 of the first hole segment 311 is
  • the difference between the radial dimension D3 of the guiding structure 50 is ⁇ D2, wherein 0.01mm ⁇ D2 ⁇ 0.03mm; the aperture D5 of the second hole segment 312 is smaller than the aperture D4 of the first hole segment 311, and the aperture D5 of the second hole segment 312
  • the difference from the outer diameter D2 of the vane spring 40 is ⁇ D3, where 0.01 mm ⁇ ⁇ D3 ⁇ 0.03 mm.
  • the above arrangement can ensure that one end of the guiding structure 50 is stopped at the stepped surface of the first hole section 311 and the second hole section 312, and the other end of the guiding structure 50 is fixed in the sliding groove 111, thereby preventing the guiding structure.
  • the sloshing occurs, so that the vane spring 40 can smoothly slide on the guiding structure 50, thereby improving the operational reliability of the guiding structure 50, preventing the vane spring 40 from being deformed in other directions, and causing the head and the cylinder of the sliding vane 30. 20 detached.
  • the length of the slider spring 40 is Lmin
  • the distance between the tail portion of the slider 30 and the guiding structure 50 is X1.
  • the length of the sliding piece 30 extending into the inner cavity 21 is the largest
  • the length of the sliding spring 40 is L max
  • the depth of the first hole segment 311 is X2
  • the depth of the second hole segment 312 is X3
  • the length of the guiding structure 50 It is X4
  • the above arrangement not only ensures that the guide structure 50 is always disposed in the first hole section 311, and ensures that the slide spring 40 does not excessively be compressed to affect its structural strength.
  • the above numerical relationship can ensure that the slide spring 30 is still in a micro-compressed state when the length of the slide 30 extends into the inner cavity 21 is maximum, and the head of the slide 30 does not disengage from the cylinder 20, thereby avoiding the pump assembly. The slide 30 is disengaged from the cylinder 20 during operation causing the tail or head of the slider 30 to strike the cylinder 20.
  • the original length of the vane spring 40 is L 0
  • the vane spring 40 is in a state of maximum deformation
  • the length of the vane spring 40 is L min .
  • the slider spring 40 is in a micro-compressed state
  • the length of the slider spring 40 is its maximum length L max
  • the slider 30 is still provided with an elastic force in accordance with the direction of the centrifugal force, and is slippery.
  • the leaf spring 40 is in full contact with the slider 30 to prevent the tail portion of the slider 30 from striking the slider groove 111.
  • L min ⁇ L max ⁇ L 0 is satisfied.
  • the maximum pressure difference experienced by the slider 30 is F
  • the number of the slider springs 40 used by the single slider 30 is n.
  • the two slider holes 31 are symmetrically disposed along the neutral layer of the slider 30, that is, the distance X5 and the distance X6 between the two slider holes 31 and the neutral layer are equal.
  • the fixing bracket 60 is provided with a plurality of guiding structures 50, and the plurality of guiding structures 50 are spaced apart along the vertical extending direction of the fixing bracket 60.
  • two fixing structures 50 are disposed on the fixing bracket 60
  • two guiding structures 50 are spaced apart along the vertical extending direction of the fixing bracket 60
  • the two guiding structures 50 and The two slider holes 31 are provided in one-to-one correspondence.
  • the above structure can ensure the structural stability of the fixing bracket 60 and prolong the service life of the fixing bracket 60.
  • the pump body assembly further includes an upper flange 71 and a lower flange 72.
  • the rotating shaft 10 is disposed in the upper flange 71 and the lower flange 72, and the cylinder 20 is disposed between the upper flange 71 and the lower flange 72.
  • the sliding piece 30 protrudes from the sliding groove 111 under the action of centrifugal force, back pressure and elastic force, and starts a reciprocating straight line in the sliding groove 111. Movement, the head of the slider 30 is in contact with the inner wall surface of the cylinder 20.
  • the three sliding sheets 30 and the inner wall surface of the cylinder 20 and the upper flange 71 and the lower flange 72 divide the entire crescent cavity of the cylinder 20 into three independent chambers, and the three chambers are periodically enlarged and contracted to realize the pump. Intake, compression and exhaust of the body components.
  • the present application also provides a fluid machine (not shown) including the pump body assembly described above.
  • the fluid machine is a compressor.
  • the application also provides a heat exchange device (not shown) including the fluid machine described above.
  • the heat exchange device is an air conditioner.
  • the pump assembly of the second embodiment differs from the first embodiment in that the structure of the fixing bracket 60 is different.
  • the fixing bracket 60 has an I-shaped structure.
  • the above arrangement can reduce the weight of the fixing bracket 60, make the pump body assembly more lightweight, and improve the working efficiency and working performance of the pump body assembly.
  • the fixing bracket 60 is provided with a weight reducing hole, and the weight reducing hole avoiding guiding structure 50 is disposed.
  • the pump body assembly of the third embodiment differs from the first embodiment in that the structure of the guide structure 50 is different.
  • the guide structure 50 includes a boss structure 51.
  • the boss structure 51 is disposed at one end of the guiding structure 50 near the fixing bracket 60, and the boss structure 51 can be engaged with the sliding spring 40.
  • the boss structure 51 can limit the stop of the slide spring 40, and the elastic deformation amount of the slide spring 40 can be increased, and the worker can appropriately select the length of the slide spring 40 as needed.
  • the boss structure 51 has a simple structure and is easy to process.
  • the pump body assembly of the fourth embodiment differs from the first embodiment in that the structure of the fixing bracket 60 is different.
  • the fixing bracket 60 includes two sub-brackets 62 , and one end of the two sub-frames 62 away from each other has a locking protrusion 61 , and each of the sub-frames 62 is provided with a guiding structure 50 .
  • the above arrangement can further reduce the weight of the fixing bracket 60 and realize the lightweight design of the fixing bracket 60.
  • the groove width W of the slider groove 111 and the distance W1 between the two stopper structures 111a where W ⁇ W1.
  • the end portion of the fixing bracket 60 has a catching projection 61.
  • the end surface of the rotor portion 11 along the axial direction of the rotating shaft 10 is provided with a finite recess 12, and the engaging projection 61 is embedded in the limiting recess 12.
  • the depth H1 of the limiting recess 12 is equal to the height H2 of the engaging projection 61.
  • the vane spring is sleeved on the guiding structure to guide the vane spring, and the vane spring does not undergo bending deformation, and the head of the sliding vane can always be ensured with the inner cavity.
  • the walls of the chamber are in contact so that the vanes are placed against the cylinder.
  • the sliding piece of the pump body assembly of the present application and the cavity wall of the inner cavity are always in close contact with each other, and the phenomenon that the tail portion of the sliding piece hits the sliding piece groove or the head of the sliding piece hits the cylinder occurs, thereby extending the sliding piece,
  • the service life of the cylinder and the shaft reduces the vibration and noise generated during the operation of the pump body assembly.
  • the pump body assembly of the present application can ensure the sealing of each chamber of the cylinder and improve the working performance of the pump body assembly.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)

Abstract

L'invention concerne un ensemble corps de pompe comprenant : un arbre rotatif (10) pourvu d'une partie rotor (11), la partie rotor (11) comportant des fentes de palettes coulissantes multiples (111) ; un cylindre (20) traversé par l'arbre rotatif (10) et comprenant une cavité interne (21) ; des palettes coulissantes multiples (30) aptes à coulisser à l'intérieur des fentes de palettes coulissantes (111), une partie tête de la palette coulissante (30) étant en contact avec une paroi de la cavité interne (21) ; des ressorts de palettes coulissantes multiples (40) sont disposés dans les fentes de palettes coulissantes (111) et situés au niveau d'une partie queue des palettes coulissantes (30) ; et des structures de guidage multiples (50) disposées dans les fentes de palettes coulissantes (111) et s'étendant vers l'extérieur dans une direction de déplacement des palettes coulissantes (30), le ressort de palette coulissante (40) étant manchonné sur la structure de guidage (50). La présente invention concerne également une machinerie à fluide comprenant ledit ensemble corps de pompe et un appareil d'échange de chaleur. La structure selon l'invention empêche la palette coulissante (30) de l'ensemble corps de pompe de se séparer du cylindre (20), ce qui prolonge la durée de vie de la palette coulissante (30), du cylindre (20) et de l'arbre rotatif (10).
PCT/CN2017/118331 2017-09-29 2017-12-25 Ensemble corps de pompe, machinerie à fluide et appareil d'échange de chaleur Ceased WO2019061898A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710916495.6A CN107575390A (zh) 2017-09-29 2017-09-29 泵体组件、流体机械及换热设备
CN201710916495.6 2017-09-29

Publications (1)

Publication Number Publication Date
WO2019061898A1 true WO2019061898A1 (fr) 2019-04-04

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WO (1) WO2019061898A1 (fr)

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CN113982924A (zh) * 2021-10-20 2022-01-28 珠海格力节能环保制冷技术研究中心有限公司 泵体组件、压缩机以及具有其的空调器

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CN119467334A (zh) * 2024-12-20 2025-02-18 珠海凌达压缩机有限公司 一种泵体组件、压缩机及空调器

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US20090087334A1 (en) * 2007-09-28 2009-04-02 Robert Whitesell Sliding Vane Compression and Expansion Device
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