CN118030527A - Scroll compressor and method for assembling scroll compressor - Google Patents
Scroll compressor and method for assembling scroll compressor Download PDFInfo
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- CN118030527A CN118030527A CN202211363791.5A CN202211363791A CN118030527A CN 118030527 A CN118030527 A CN 118030527A CN 202211363791 A CN202211363791 A CN 202211363791A CN 118030527 A CN118030527 A CN 118030527A
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- scroll compressor
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000004308 accommodation Effects 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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
- F04C29/0021—Systems for the equilibration of forces acting on the pump
-
- 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
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
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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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The present disclosure relates to a scroll compressor and an assembling method of the scroll compressor, which adopts a split type balance weight to satisfy different balance weight requirements by changing the weight and/or shape of a movable block, and in addition, when assembling, the movable block is placed into a receiving cavity through a thrust surface through hole or a radial through hole, and then the movable block is pushed to move to a preset position in a radial direction relative to a fixed block, and finally the movable block is fixedly connected to the fixed block. The balance weight can be mounted in the frame to keep a better balance effect, factors of limiting the overall outer diameter of the balance weight by the size of the through hole of the thrust surface can be eliminated, and the balance weight with the proper outer diameter can be selected according to actual needs, so that the whole machine of the scroll compressor is reliable, low in cost and good in balance effect.
Description
Technical Field
The disclosure relates to the technical field of compressors, and in particular relates to a scroll compressor and an assembly method of the scroll compressor.
Background
The scroll compressor is a typical structure of a compressor, is mainly used for air conditioning, refrigeration, general gas compression, automobile engine superchargers, vacuum pumps and other occasions, and can replace the traditional middle-and small-sized reciprocating compressors in a large range.
Scroll compressors typically include a compression mechanism consisting of a fixed scroll member and an orbiting scroll member. The orbiting scroll member is supported by a main bearing housing/thrust plate to provide axial restraint and translational rotation relative to the non-orbiting scroll member under the drive of an eccentric member, such as an eccentric shaft. During operation of the scroll compressor, centrifugal forces or moments generated by the rotation of the eccentric member may cause vibration of the compressor. Weights are typically provided on the rotating assembly, such as the rotor, to provide counter-centrifugal force or torque to balance the amount of dynamic unbalance created by the eccentric.
The arrangement scheme of the scroll compressor balance weight is mainly divided into two types, namely a frame inside and a frame outside.
The advantage of the internal arrangement is that it is closer to the unbalance area, lower cost is needed to solve the unbalance moment, less pressure is applied to the drive shaft, and reliability is higher. Meanwhile, the rotation of the balance weight can stir lubricating oil to ensure the oil supply of the thrust surface, so that the reliability of the thrust bearing is improved. The disadvantage is that the balance weight needs to be placed in the frame, the balance weight is limited by the opening of the thrust surface of the frame, and the outer diameter cannot be too large. However, the contradiction is that the larger the outer diameter of the balance weight, the smaller the required mass, the larger the outer diameter, the larger the volume of the balance weight, and the larger the corresponding frame has to be to accommodate the balance weight. Therefore, the structure of the frame and the balance weight is bulky and high in cost.
The external arrangement has the advantage that the balance weight is not limited by the stand, so the cost is low and the structure is simple. However, the balance effect is poor, and the reliability of the bearing is deteriorated.
In view of this, those skilled in the art are required to improve the structure of the scroll compressor so as to have the characteristics of simple structure, low cost and good balance effect.
Disclosure of Invention
The disclosure provides a scroll compressor and an assembling method thereof for solving the technical problems existing in the prior art.
In one aspect, the present disclosure provides a scroll compressor comprising:
A frame configured to be connected to a fixed scroll of the scroll compressor and to support a movable scroll of the scroll compressor, the frame having a receiving chamber and a thrust surface through hole communicating with the receiving chamber, the thrust surface through hole being opened on a thrust surface of the frame supporting the movable scroll;
the driving shaft penetrates through the frame and the thrust surface through hole to drive the movable vortex plate to move in a translational mode relative to the fixed vortex plate;
A balancing weight disposed on the driving shaft and configured to provide a reverse centrifugal force or a centrifugal moment to balance an amount of dynamic unbalance generated by an eccentric shaft section of the driving shaft; the balance weight includes:
a fixed block configured to be placed into the accommodation chamber from the thrust surface through hole and fixedly coupled to the drive shaft;
The movable block is configured to be placed into the accommodating cavity through the thrust surface through hole, then moves to a preset position along the radial direction away from the driving shaft, and is connected to the fixed block; or alternatively
The movable block is configured to be placed into the accommodating chamber through a radial through hole formed in the frame, then to be moved to a preset position in a radial direction toward a direction approaching the driving shaft, and to be connected to the fixed block.
In one embodiment, the scroll compressor further comprises a plug configured to block the radial through hole.
In one embodiment, the plug is connected to the frame in a static seal.
In one embodiment, the inner wall of the receiving cavity comprises:
Conical surface;
the first cylindrical surface is formed by upwards extending the large-diameter end of the conical surface;
A circular ring surface formed by extending the upper end part of the first cylindrical surface radially inwards;
The rack is also provided with a second cylindrical surface, and the second cylindrical surface is formed by extending downwards from the small-diameter end of the conical surface;
The driving shaft sequentially penetrates through the second cylindrical surface, the conical surface, the first cylindrical surface and the circular ring surface, the fixed block is located in the space surrounded by the conical surface, the movable block is located in the space surrounded by the first cylindrical surface, and the thrust surface through hole is formed in the circular ring surface.
In one embodiment, the movable block moves relative to the fixed block in the radial direction through the matched guide groove and the guide boss;
one of the guide groove and the guide boss is arranged on the fixed block, and the other guide groove and the guide boss are arranged on the movable block.
In one embodiment, the guide groove is a wedge-shaped groove extending in the radial direction, and correspondingly, the guide boss is a wedge-shaped boss extending in the radial direction.
In one embodiment, the movable block is removably attached to the fixed block by fasteners.
In one embodiment, the rack comprises:
a main body portion configured to support the orbiting scroll and to open the accommodating chamber;
the connecting arms are sequentially arranged on the outer peripheral wall of the main body part at intervals along the circumferential direction, each connecting arm is formed by extending the main body part outwards along the radial direction, and the connecting arms are connected with the fixed vortex disc.
In another aspect, the present disclosure further provides an assembling method of a scroll compressor, in particular, the scroll compressor according to any one of the above embodiments, the assembling method including the steps of:
the fixed block is placed into the accommodating cavity through the thrust surface through hole and is connected to the driving shaft;
The movable block is placed into the accommodating cavity through the thrust surface through hole;
Pushing the movable block to move to a preset position relative to the fixed block in a direction away from the driving shaft in the radial direction;
connecting the movable block to the fixed block; or alternatively
The fixed block is placed into the accommodating cavity through the thrust surface through hole and is connected to the driving shaft;
placing the movable block into the accommodating cavity through the radial through hole;
Pushing the movable block to move to a preset position relative to the fixed block in a direction approaching to the driving shaft in the radial direction;
And connecting the movable block to the fixed block.
In one embodiment, after the movable block is attached to the fixed block, the assembly method further comprises the steps of:
Plugging the radial through hole. .
The scroll compressor and the assembly method thereof have the advantages that: the scroll compressor of this disclosure adopts split type balancing piece to satisfy different balancing piece demands through changing the weight and/or the shape of movable block, put into the holding chamber through thrust face through-hole or radial through-hole in addition when the assembly, then promote the movable block and radially remove to preset position for the fixed block, with movable block fixed connection on the fixed block at last. The balance weight can be mounted in the frame to keep a better balance effect, factors of limiting the overall outer diameter of the balance weight by the size of the through hole of the thrust surface can be eliminated, and the balance weight with the proper outer diameter can be selected according to actual needs, so that the whole machine of the scroll compressor is reliable, low in cost and good in balance effect.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is an axial cross-sectional structural schematic view of a scroll compressor of the present disclosure in one embodiment;
FIG. 2 is a schematic diagram of an exploded construction of a counterweight of the present disclosure in one embodiment;
FIG. 3 is a schematic view of the structure of the movable block in an initial position of the frame according to one embodiment;
FIG. 4 is a schematic diagram of the structure of the movable block pushed to the preset position of the fixed block according to one embodiment;
FIG. 5 is a schematic diagram of the structure of one embodiment after the movable block and the fixed block are connected;
FIG. 6 is a flow chart of steps of an assembly method of the scroll compressor of the present disclosure;
Fig. 7 is a flow chart of steps of another assembly method of the scroll compressor of the present disclosure.
The one-to-one correspondence between the component names and the reference numerals in fig. 1 to 5 is as follows:
The machine body, the 2-fixed scroll, the 3-movable scroll, the 4-drive shaft, the 5-frame, the 50-receiving cavity, the 500 conical surface, the 501 first cylindrical surface, the 502 toroidal surface, the 503 second cylindrical surface, the 51 thrust surface through hole, the 60 fixed block, the 600 central hub portion, the 601 peripheral portion, the 602 second axially extending step portion, the 603 first mounting hole, the 604 first flat radially inward surface, the 605 first axially extending step portion, the 606 second flat surface, the 607 counter weight rotation direction, the 61 movable block, the 610 inner radial portion, the 611 outer radial portion, the 612 second mounting hole, the 614 first flat radially outward surface, the 615 second axially extending portion, the 616 second flat radially outward surface, the 617 third flat surface.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
The scroll compressor comprises a fixed scroll, an movable scroll, a frame, a driving shaft and a balance weight, wherein the frame is connected with the fixed scroll and used for supporting the movable scroll, and is provided with a containing cavity and a thrust surface through hole communicated with the containing cavity, and the thrust surface through hole is formed in a thrust surface of the frame for supporting the movable scroll; the driving shaft penetrates through the frame and the thrust surface through hole to drive the movable vortex plate to move in a translational manner relative to the fixed vortex plate; the weight is disposed on the drive shaft and is configured to provide a counter centrifugal force or centrifugal torque to balance the amount of dynamic unbalance generated by the eccentric portion of the drive shaft. The balance block comprises a fixed block and a movable block, and the fixed block is arranged in the accommodating cavity from the thrust surface through hole and is fixedly connected to the driving shaft; the movable block is configured to be placed into the accommodating cavity through the thrust surface through hole and then move along the radial direction away from the driving shaft to be connected with the balance block; or the movable block is configured to be placed into the accommodating cavity through a radial through hole formed in the frame and then move along the radial direction to the direction close to the driving shaft to be connected with the balance block.
The scroll compressor of this disclosure adopts split type balancing piece to satisfy different balancing piece demands through changing the weight and/or the shape of movable block, put into the holding chamber through thrust face through-hole or radial through-hole in addition when the assembly, then promote the movable block and radially remove to preset position for the fixed block, with movable block fixed connection on the fixed block at last. The balance weight can be mounted in the frame to keep a better balance effect, factors of limiting the overall outer diameter of the balance weight by the size of the through hole of the thrust surface can be eliminated, and the balance weight with the proper outer diameter can be selected according to actual needs, so that the whole machine of the scroll compressor is reliable, low in cost and good in balance effect.
For ease of understanding, the specific structure of the scroll compressor of the present disclosure and its principles of operation will be described in detail below in connection with two specific embodiments with reference to fig. 1 and 2.
The terms "axial direction, radial direction, and circumferential direction" are used herein to describe the specific structure of the scroll compressor, and are set with reference to the drive shaft, and are referred to as axial direction along the axial direction of the drive shaft, radial direction along the radial direction of the drive shaft, and circumferential direction along the circumferential direction of the drive shaft.
Example 1
Referring to fig. 1, in the present embodiment, a scroll compressor includes a body 1, a fixed scroll 2, and an orbiting scroll 3.
The machine body 1 is generally a thin-walled shell structure, and the space inside the machine body is enough to accommodate the fixed scroll 2, the movable scroll 3 and a driving mechanism for driving the movable scroll 3 to rotate around the fixed scroll 2.
The fixed scroll 2 and the movable scroll 3 are provided with scroll blades, and are mutually meshed in 180-degree staggered opposition. The movable vortex disk 3 is driven by a driving crankshaft with small eccentricity and restrained by an anti-rotation mechanism, and moves around the fixed vortex disk 2 in a plane with small radius, so that a series of crescent cylinder working volumes are formed by the cooperation of the movable vortex disk and the end plate.
It should be noted that, the specific structures and the mutual assembly relationships of the body 1, the fixed scroll 2, the movable scroll 3 and the three may be adopted by those skilled in the art, and are not described herein again.
With continued reference to FIG. 1, the scroll compressor further includes a drive shaft 4, a frame 5, and a counterweight.
Wherein the frame 5 is configured to be connected with the fixed scroll 2 and used for supporting the movable scroll 3, and the frame 4 is provided with a containing cavity 50 and a thrust surface through hole 51 communicated with the containing cavity 50, wherein the thrust surface through hole 51 is arranged on a thrust surface of the frame 5 for supporting the movable scroll 3.
In detail, the chassis 5 includes a main body portion and four connection arms 52. The main body portion is configured to support the movable scroll 3 and is provided with a containing cavity, four connecting arms 52 are sequentially arranged on the outer peripheral wall of the main body portion at intervals along the axial circumferential direction, each connecting arm 52 is formed by extending the main body portion outwards along the radial direction, the connecting arms 52 and the fixed scroll 2 are fixedly connected in a welding, bonding, riveting and other manners, and can be detachably connected through fasteners such as screws and bolts. The top surface of the main body part is a thrust surface, and the thrust surface is contacted with the movable vortex disk 3 to support the movable vortex disk 3 and bear the movable vortex disk to make the movable vortex disk move in translation relative to the fixed vortex disk 2.
It is understood that the number of the connecting arms 52 is not limited to the number of the present embodiment, and may be two or an integer number greater than two, and those skilled in the art may select a suitable number based on the actual structure.
The drive shaft 4 comprises a main shaft section and an eccentric shaft section connected to each other. The main shaft section is coaxially connected with a rotor of the driving motor, the main shaft section penetrates through the frame 5, and an eccentric shaft section of the driving shaft 4 penetrates through a thrust surface through hole 51 of the frame to be connected with the movable vortex disc 3, so that the eccentric shaft section drives the movable vortex disc 3 to move in a translational motion relative to the fixed vortex disc 2.
The balance weight is provided to the main shaft section of the driving shaft 4 by means of a key connection, welding, bonding, etc. so as to be rotated in synchronization with the driving shaft 4, and is configured to provide a reverse centrifugal force or a centrifugal moment to balance the amount of dynamic unbalance generated by the eccentric shaft section of the driving shaft.
Referring to fig. 2, in the present embodiment, the weight has a fixed block 60 and a movable block 61. Fixed block 60 has a central hub portion 600 and a peripheral portion 601, peripheral portion 601 having one or more first mounting holes 603, and movable block 61 has an inner radial portion 610 and an outer radial portion 611, inner radial portion 610 having one or more second mounting holes 612. In this embodiment, the fixed block 60 has a substantially uniform thickness. In the movable block 61, the inner radial portion 610 has a first thickness and the outer radial portion 611 has a second thickness. The first thickness is greater than the second thickness.
The peripheral portion 601 of the fixed block 60 includes a first axially extending stepped section 605 having a first straight radially inward surface 604. The terms "radially inward" and "radially outward" are used with respect to the longitudinal axis of the drive shaft 4 when the weight is assembled to the drive shaft 4. In the particular embodiment shown in fig. 2, the securing block 60 includes a second axially extending stepped section 602 having a securing block second flat surface 606 that is perpendicular to the first flat radially inward surface 604. In the illustrated embodiment, the second flat surface 606 of the fixed mass 60 faces the direction of rotation of the counterweight (as indicated by arrow 607).
The inner radial portion 610 of the movable block 61 has a first axially extending section 613 with a first straight radially outward surface 614. The inner radial portion 610 further includes a second axial extension 615, the second axial extension 615 having a second straight radially outward surface 616 and a third straight surface 617. The third flat surface 617 is perpendicular to the first flat radially outward surface 614 and the second flat radially outward surface 616. When the movable mass 61 is attached to the fixed mass 60, the third flat surface 617 faces in the opposite direction to the direction of rotation of the counterweight (as indicated by arrow 607).
The first and second flat radially outward surfaces 614, 616 are configured to abut the first flat radially inward surface 604 on the fixed block 60 to help position the movable block 61 relative to the fixed block 60. The third flat surface 617 of the movable block 61 is configured to abut the second flat surface 606 of the fixed block 60 to assist in positioning the movable block 61 relative to the fixed block 60. In addition, the interface of the first and second flat radially outward surfaces 614, 616 with the first flat radially inward surface 604 and the interface of the second flat surface 606 of the fixed mass with the third flat surface 617 absorbs a portion of the centrifugal force generated when the counterweight rotates about the drive shaft 4.
Of course, in other embodiments, the movable block 61 is moved radially relative to the fixed block 60 by means of the adapted guide slots and guide bosses; wherein, the guide slot is arranged on the fixed block 60, the guide boss is arranged on the movable block, or the guide slot is arranged on the movable block 61, and the guide boss is arranged on the fixed block 60. So arranged, the movable block 61 moves relative to the fixed block 60 along the guide groove and the guide boss, and the assembly task of the balance weight can be completed rapidly.
In detail, the guide groove is a wedge-shaped groove extending along the radial direction, and correspondingly, the guide boss is a wedge-shaped boss extending along the radial direction.
During assembly, the fixed block 60 is configured to be placed into the accommodating cavity 50 from the thrust surface through hole 51 and fixedly connected to the driving shaft 4, referring to fig. 3, the movable block is configured to be placed into the accommodating cavity 50 through the thrust surface through hole 51, then the movable block 61 is pushed to move to a preset position shown in fig. 4 in a radial direction away from the driving shaft 4, finally the movable block 61 is detachably connected to the fixed block 60 to a state shown in fig. 5 through a fastener such as a screw, a bolt or the like, or the movable block 61 is fixedly connected to the fixed block 60 in a welding, bonding or riveting manner or the like.
In order to further optimize the structure of the stand 5, so that the whole volume of the stand 5 can be reduced as much as possible on the basis of meeting the requirement of the assembly function, and with continued reference to fig. 1, the inner wall of the accommodating cavity comprises a conical surface 500, a first cylindrical surface 501 and a circular ring surface 502, and the main body part of the stand 5 also has a second cylindrical surface 503. The first cylindrical surface 501 is formed by extending upwards from the large diameter end of the conical surface 500, the second cylindrical surface 503 is formed by extending downwards from the small diameter end of the conical surface 500, and the circular surface 502 is formed by extending inwards from the upper end of the first cylindrical surface 501.
The driving shaft 4 sequentially penetrates through the second cylindrical surface 503, the conical surface 500, the first cylindrical surface 501 and the circular ring surface 503, the fixed block 60 is located in a space surrounded by the conical surface 500, the movable block 61 is located in a space surrounded by the first cylindrical surface 501, and the thrust surface through hole 51 is formed in the circular ring surface 502.
Example two
The main difference between the first embodiment and the second embodiment is that the frame 5 is provided with a radial through hole (not shown), the movable block 6 is configured to be placed in the accommodating cavity 50 through the radial through hole, and then the movable block is pushed to move to a preset position in a direction of approaching the driving shaft 4 in a radial direction, and finally the movable block 61 is connected to the fixed block 60. Other portions of the present invention are well understood by those skilled in the art based on the description of the first embodiment and the drawings, and thus are not described herein.
Further, the scroll compressor includes a plug (not shown in the drawings) configured to block the radial through hole to prevent external dust from falling into the receiving chamber 50 through the radial through hole. In detail, the plug may be a bolt with a nut, an internal thread matched with the bolt is provided on the frame 5, and the bolt is screwed into the radial through hole after the movable block 61 and the fixed block 60 are assembled.
In more detail, the plug is sealingly connected to the frame 4 by means of a sealing ring or the like, such as an O-ring seal arranged between the nut of the bolt and the opposite face of the frame.
In addition, the present disclosure also provides two assembling methods of the scroll compressor based on the above two structures, which are described in detail below with reference to fig. 6 and 7. Here, only the method of assembling the weight is described, and the manner of assembling the other components of the scroll compressor is not limited.
Referring to fig. 1 and 6, one method of assembling the scroll compressor of the present disclosure includes the steps of:
s100, placing the fixed block 60 into the accommodating cavity 50 through the thrust surface through hole 51 and connecting the fixed block to the driving shaft 4;
s101, placing the movable block 61 into the accommodating cavity 50 through the thrust surface through hole 51;
S102, pushing the movable block 61 to move to a preset position relative to the fixed block 60 in a radial direction away from the driving shaft 4;
S103, connecting the movable block 61 to the fixed block 60.
Referring to fig. 7, another assembly method of the scroll compressor of the present disclosure includes the steps of:
s200, the fixed block 60 is placed in the accommodating cavity 50 through the thrust surface through hole 51 and is connected to the driving shaft 4;
S202, placing the movable block 61 into the accommodating cavity 50 through the radial through hole;
S202, the movable block 61 is pushed to move to a preset position relative to the fixed block 60 along the radial direction towards the direction approaching the driving shaft 4;
S203, connecting the movable block 61 to the fixed block 60.
With continued reference to fig. 7, in this embodiment, after step S203, the assembly method further includes the following steps:
s204, plugging the radial through holes.
In detail, the plug may be a bolt with a nut, an internal thread matched with the bolt is provided on the frame 5, and the bolt is screwed into the radial through hole after the movable block 61 and the fixed block 60 are assembled.
In more detail, the plug is sealingly connected to the frame 4 by means of a sealing ring or the like, such as an O-ring seal arranged between the nut of the bolt and the opposite face of the frame.
In the same way, the two assembly methods put the movable block into the accommodating cavity through the thrust surface through hole or the radial through hole, then push the movable block to move to a preset position along the radial direction relative to the fixed block, and finally fixedly connect the movable block on the fixed block. The balance weight can be mounted in the frame to keep a better balance effect, factors of limiting the overall outer diameter of the balance weight by the size of the through hole of the thrust surface can be eliminated, and the balance weight with the proper outer diameter can be selected according to actual needs, so that the whole machine of the scroll compressor is reliable, low in cost and good in balance effect.
The foregoing description of the embodiments of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvements in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein. The scope of the present disclosure is defined by the appended claims.
Claims (10)
1. A scroll compressor, comprising:
A frame configured to be connected to a fixed scroll of the scroll compressor and to support a movable scroll of the scroll compressor, the frame having a receiving chamber and a thrust surface through hole communicating with the receiving chamber, the thrust surface through hole being opened on a thrust surface of the frame supporting the movable scroll;
the driving shaft penetrates through the frame and the thrust surface through hole to drive the movable vortex plate to move in a translational mode relative to the fixed vortex plate;
A balancing weight disposed on the driving shaft and configured to provide a reverse centrifugal force or a centrifugal moment to balance an amount of dynamic unbalance generated by an eccentric shaft section of the driving shaft; the balance weight includes:
a fixed block configured to be placed into the accommodation chamber from the thrust surface through hole and fixedly coupled to the drive shaft;
The movable block is configured to be placed into the accommodating cavity through the thrust surface through hole, then moves to a preset position along the radial direction away from the driving shaft, and is connected to the fixed block; or alternatively
The movable block is configured to be placed into the accommodating chamber through a radial through hole formed in the frame, then to be moved to a preset position in a radial direction toward a direction approaching the driving shaft, and to be connected to the fixed block.
2. The scroll compressor of claim 1, further comprising a plug configured to block the radial through hole.
3. The scroll compressor of claim 2, wherein the plug is fixedly connected to the frame.
4. The scroll compressor of claim 1, wherein the inner wall of the receiving chamber comprises:
Conical surface;
the first cylindrical surface is formed by upwards extending the large-diameter end of the conical surface;
A circular ring surface formed by extending the upper end part of the first cylindrical surface radially inwards;
The rack is also provided with a second cylindrical surface, and the second cylindrical surface is formed by extending downwards from the small-diameter end of the conical surface;
The driving shaft sequentially penetrates through the second cylindrical surface, the conical surface, the first cylindrical surface and the circular ring surface, the fixed block is located in the space surrounded by the conical surface, the movable block is located in the space surrounded by the first cylindrical surface, and the thrust surface through hole is formed in the circular ring surface.
5. The scroll compressor of claim 1, wherein the movable block moves radially relative to the fixed block via a mating guide slot and guide boss;
one of the guide groove and the guide boss is arranged on the fixed block, and the other guide groove and the guide boss are arranged on the movable block.
6. The scroll compressor of claim 5, wherein the guide groove is a radially extending wedge groove and the guide boss is a radially extending wedge boss.
7. The scroll compressor of claim 1, wherein the movable block is removably attached to the fixed block by fasteners.
8. The scroll compressor of claim 1, wherein the frame comprises:
a main body portion configured to support the orbiting scroll and to open the accommodating chamber;
the connecting arms are sequentially arranged on the outer peripheral wall of the main body part at intervals along the circumferential direction, each connecting arm is formed by extending the main body part outwards along the radial direction, and the connecting arms are connected with the fixed vortex disc.
9. A method of assembling a scroll compressor, in particular a scroll compressor according to any one of claims 1 to 8, comprising the steps of:
the fixed block is placed into the accommodating cavity through the thrust surface through hole and is connected to the driving shaft;
The movable block is placed into the accommodating cavity through the thrust surface through hole;
Pushing the movable block to move to a preset position relative to the fixed block in a direction away from the driving shaft in the radial direction;
connecting the movable block to the fixed block; or alternatively
The fixed block is placed into the accommodating cavity through the thrust surface through hole and is connected to the driving shaft;
placing the movable block into the accommodating cavity through the radial through hole;
Pushing the movable block to move to a preset position relative to the fixed block in a direction approaching to the driving shaft in the radial direction;
And connecting the movable block to the fixed block.
10. The assembly method of claim 9, wherein after attaching the movable block to the fixed block, the assembly method further comprises the steps of:
Plugging the radial through hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211363791.5A CN118030527A (en) | 2022-11-02 | 2022-11-02 | Scroll compressor and method for assembling scroll compressor |
| PCT/CN2023/129285 WO2024094109A1 (en) | 2022-11-02 | 2023-11-02 | Scroll compressor and method for assembling scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211363791.5A CN118030527A (en) | 2022-11-02 | 2022-11-02 | Scroll compressor and method for assembling scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118030527A true CN118030527A (en) | 2024-05-14 |
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ID=90929760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211363791.5A Pending CN118030527A (en) | 2022-11-02 | 2022-11-02 | Scroll compressor and method for assembling scroll compressor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN118030527A (en) |
| WO (1) | WO2024094109A1 (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3248939B2 (en) * | 1992-02-21 | 2002-01-21 | 株式会社日本自動車部品総合研究所 | Scroll compressor |
| JP3453620B2 (en) * | 1993-06-30 | 2003-10-06 | 株式会社アキタファインブランキング | Thick uneven distribution parts and method of manufacturing the same |
| CN102691663A (en) * | 2011-03-23 | 2012-09-26 | 丹佛斯涡旋技术有限责任公司 | Balancing weight merged into slide block of scroll compressor |
| US10697454B2 (en) * | 2016-03-08 | 2020-06-30 | Bitzer Kuehlmaschinenbau Gmbh | Method of making a two-piece counterweight for a scroll compressor |
| CN206972540U (en) * | 2017-07-10 | 2018-02-06 | 广东美的暖通设备有限公司 | The crankshaft group and compressor of compressor |
| CN110566455B (en) * | 2019-09-02 | 2021-03-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll compressor and air conditioner |
| CN215979909U (en) * | 2021-09-29 | 2022-03-08 | 艾默生环境优化技术(苏州)有限公司 | Balance block of scroll compressor and scroll compressor comprising balance block |
| CN114183353A (en) * | 2021-12-17 | 2022-03-15 | 珠海格力电器股份有限公司 | Support assembly for scroll compressor and scroll compressor |
-
2022
- 2022-11-02 CN CN202211363791.5A patent/CN118030527A/en active Pending
-
2023
- 2023-11-02 WO PCT/CN2023/129285 patent/WO2024094109A1/en unknown
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| Publication number | Publication date |
|---|---|
| WO2024094109A1 (en) | 2024-05-10 |
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