CN112555156B - Flange structure, pump body assembly and fluid machine - Google Patents
Flange structure, pump body assembly and fluid machine Download PDFInfo
- Publication number
- CN112555156B CN112555156B CN202011592311.3A CN202011592311A CN112555156B CN 112555156 B CN112555156 B CN 112555156B CN 202011592311 A CN202011592311 A CN 202011592311A CN 112555156 B CN112555156 B CN 112555156B
- Authority
- CN
- China
- Prior art keywords
- flange structure
- bosses
- flange
- welding
- cylinder
- 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.)
- Active
Links
Images
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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- 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
- F04C29/06—Silencing
-
- 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
- F04C2240/00—Components
- F04C2240/80—Other components
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a flange structure, a pump body assembly and a fluid machine. The outer peripheral face of flange structure has the connection boss that radially stretches out along flange structure, and the connection boss is a plurality of, and a plurality of connection bosses set up along flange structure's circumference interval to form between two adjacent connection bosses and keep away the empty concave part, be equipped with the solder joint on the connection boss, the diameter more than or equal to 4mm and less than or equal to 7mm of solder joint. The flange structure provided by the invention can solve the problem that the flange structure is easy to generate vibration noise in the prior art.
Description
Technical Field
The invention relates to the related technical field of rotary cylinder compressors, in particular to a flange structure, a pump body assembly and a fluid machine.
Background
Use the revolving cylinder compressor as an example, the pump body subassembly of present compressor is for reaching the effect of noise reduction, and the outside that will go up the flange sets up extra muffler usually, goes up the flange and only provides the exhaust hole, guarantees that the gas in the cylinder can be smooth outwards flow through last flange to carry out the amortization in the muffler.
The pump body assembly of structure like this, the structure is comparatively complicated, and goes up the effect singleness of flange, can't realize the function of amortization.
Meanwhile, the flange structure is installed in a cantilever supporting mode, vibration noise is easy to generate, the noise reduction effect is unstable, and noise reduction is not facilitated.
Therefore, the existing rotary cylinder compressor has the problems that the flange structure does not have a silencing function and vibration noise is easy to generate in the operation process.
Disclosure of Invention
The invention mainly aims to provide a flange structure, a pump body assembly and a fluid machine, and aims to solve the problem that the flange structure is easy to generate vibration noise in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a flange structure, wherein the outer circumferential surface of the flange structure has a plurality of connecting bosses extending in the radial direction of the flange structure, the plurality of connecting bosses are arranged at intervals in the circumferential direction of the flange structure to form a clearance between two adjacent connecting bosses, the connecting bosses are provided with welding spots, and the diameter of each welding spot is greater than or equal to 4mm and less than or equal to 7 mm.
Further, the distance between two adjacent connecting bosses is equal.
Further, in the axial direction of the flange structure, the connection bosses extend to both ends of the outer peripheral surface of the flange structure.
Furthermore, each connecting boss is provided with at least one welding spot.
Furthermore, when a plurality of welding spots are arranged on the same connecting boss, the plurality of welding spots are arranged at intervals along the axial direction of the flange structure.
Furthermore, when two welding spots are arranged on the same connecting boss, the welding spots on the upper side of all the connecting bosses are all located at the same axial height of the flange structure, and the welding spots on the lower side of all the connecting bosses are all located at the same axial height of the flange structure.
Furthermore, each connecting boss is provided with a welding spot, and the welding spots on all the connecting bosses are positioned at the same axial height of the flange structure; or the welding spots on all the connecting bosses are alternately positioned at the first axial position and the second axial position of the flange structure, the first position is positioned above the second position, the first positions of different connecting bosses are positioned at the same axial height of the flange structure, and the second positions of different connecting bosses are positioned at the same axial height of the flange structure.
Further, an included angle between two connecting lines from two adjacent connecting bosses to the axis of the flange structure is 60 degrees, 90 degrees or 120 degrees.
Furthermore, one side of the flange structure facing the cylinder sleeve is provided with a silencing groove.
Further, the silencing grooves are communicated end to end.
Further, the ends of the silencing grooves are not communicated, so that a blocking structure is formed between the ends of the silencing grooves.
Furthermore, the lateral wall of amortization recess has the rib structure of the center pin salient to the flange structure, and the rib structure is a plurality of, and a plurality of rib structures set up along the lateral wall interval of amortization recess to make the amortization recess have the width that sets up in turn and flow through regional and the narrow region that flows through.
Further, the flange structure is an upper flange.
According to another aspect of the present invention, a pump body assembly is provided that includes a flange structure.
Further, the pump body assembly still includes: a rotating shaft; the limiting plate is provided with a limiting plate exhaust hole; the cylinder jacket, the cylinder jacket has the cylinder jacket exhaust hole, and flange structure, limiting plate and cylinder jacket are passed in proper order to the pivot, and cylinder jacket exhaust hole, limiting plate exhaust hole and flange structure's amortization recess intercommunication.
Further, the cylinder liner has volume chamber pump body subassembly still includes: the cylinder is rotatably arranged in the volume cavity, and a piston hole is formed in the cylinder along the radial direction of the cylinder; the piston, the piston has the sliding hole, and at least a part of pivot wears to establish in the sliding hole, and the piston is along with the pivoted in-process of pivot rotation, and the piston slides in the piston hole for the pivot, and the cylinder synchronous revolution.
According to another aspect of the present invention, there is provided a fluid machine including a pump body assembly.
According to the technical scheme, the outer peripheral surface of the flange structure is provided with a plurality of connecting bosses extending out along the radial direction of the flange structure, the connecting bosses are arranged at intervals along the circumferential direction of the flange structure so as to form a clearance concave part between every two adjacent connecting bosses, welding spots are arranged on the connecting bosses, and the diameter of each welding spot is larger than or equal to 4mm and smaller than or equal to 7 mm.
From the above description, it can be seen that, in the above embodiments of the present invention, the connecting bosses are arranged at intervals in the circumferential direction of the flange structure, and the flange structure is mounted through the connecting bosses, so that the rigidity of the flange structure can be improved, the thermal deformation can be reduced, the stability of the flange structure can be improved, and the vibration noise can be reduced. The current flange structure adopts cantilever support's mode to install, easily produces vibration noise, leads to noise reduction effect unstable, is unfavorable for carrying out noise reduction.
Specifically, through the connecting boss that sets up the interval in the axial of flange structure, through welded connection boss, realize the effect of mounting flange structure, can strengthen welding rigidity, at the in-process of changeing jar compressor operation, carry out spot welding on connecting the boss, and the size of spot welding 4mm to 7mm in order to optimize the welding mode, can reduce the vibration excitation that changes jar compressor operation in-process flange structure received, effectively improved flange structure's stability to vibration noise has been reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the mounting relationship of a pump body assembly according to the present invention; and
figure 2 shows a cross-sectional view of the cylinder liner of figure 1;
figure 3 shows a schematic view of the cylinder liner of figure 1;
FIG. 4 is a schematic view showing the structural arrangement of the connection bosses on the flange according to the present invention, wherein the number of the connection bosses is six;
figure 5 shows a schematic view of a limiting plate of the invention;
FIG. 6 is a schematic view showing three welding spots arranged at the connection bosses according to the present invention, wherein the welding spots are arranged in a single layer, and the number of the connection bosses is three;
FIG. 7 shows a schematic view of the connection boss of FIG. 6;
FIG. 8 is a schematic view showing six welding spots disposed on the connection bosses according to the present invention, wherein the number of the connection bosses is six and the welding spots are disposed in a single layer;
FIG. 9 shows a schematic view of the connection boss of FIG. 8;
FIG. 10 is a schematic view showing six welding spots disposed at the connection bosses according to the present invention, wherein the number of the connection bosses is three and the welding spots are disposed in a double layer;
FIG. 11 shows a schematic view of the attachment boss of FIG. 10;
FIG. 12 is a schematic view showing six welding spots disposed at the connection bosses according to the present invention, wherein the number of the connection bosses is six, the welding spots are disposed in a single layer, and the first position and the second position are alternately disposed;
FIG. 13 shows a schematic view of the attachment boss of FIG. 12;
FIG. 14 is a schematic view showing eight welding spots arranged at the connection bosses according to the present invention, wherein the number of the connection bosses is four and the welding spots are arranged in two layers;
fig. 15 shows a schematic view of the connection boss of fig. 14.
Wherein the figures include the following reference numerals:
10. a cylinder; 20. a piston; 30. a rotating shaft; 40. a cylinder liner; 4011. a cylinder liner communication hole; 4012. a cylinder sleeve exhaust hole; 4013. a middle cavity; 50. an upper flange; 5011. a flange vent hole; 5021. a blocking structure; 5031. a silencing groove; 5051. connecting the bosses; 5061. welding points; 70. an upper limiting plate; 7011. and a limiting plate exhaust hole.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to inner and outer relative to the profile of the components themselves, but the above directional terms are not intended to limit the invention.
The invention provides a flange structure, a pump body assembly and a fluid machine, aiming at solving the problem that the flange structure in the prior art is easy to generate vibration noise.
The fluid machine includes a pump body assembly described below, in which a flange structure described below is a part of the pump body assembly described below. In particular, the fluid machine is a compressor. Further, the compressor is a rotary cylinder compressor.
As shown in fig. 4 to 15, the outer peripheral surface of the flange structure has a plurality of connection bosses 5051 extending in the radial direction of the flange structure, the connection bosses 5051 are provided in plurality, the connection bosses 5051 are spaced apart in the circumferential direction of the flange structure to form a clearance recess between two adjacent connection bosses 5051, welding points 5061 are provided on the connection bosses 5051, and the diameter of the welding points 5061 is greater than or equal to 4mm and less than or equal to 7 mm.
From the above description, it can be seen that, in the above embodiments of the present invention, the connection bosses 5051 are disposed at intervals in the circumferential direction of the flange structure, and the flange structure is mounted through the connection bosses 5051, so that the rigidity of the flange structure can be improved, the thermal deformation can be reduced, the stability of the flange structure can be improved, and the vibration noise can be reduced.
Specifically, the connecting bosses 5051 are arranged at intervals in the axial direction of the flange structure, the connecting bosses 5051 are welded, the effect of fixing the flange structure is achieved, welding rigidity can be enhanced, spot welding is conducted on the connecting bosses 5051 in the operation process of the rotary cylinder compressor, the size of the spot welding is 4mm to 7mm so as to optimize the welding mode, vibration excitation of the flange structure in the operation process of the rotary cylinder compressor can be reduced, the stability of the flange structure is effectively improved, and vibration noise is reduced.
As shown in fig. 4 to 15, the distance between two adjacent connection bosses 5051 is equal. When the connecting bosses 5051 are arranged at equal intervals along the circumferential direction of the flange structure, the flange structure is stressed uniformly, concentrated stress is reduced, and vibration noise can be reduced stably in installation of the flange structure.
It should be noted that the distances between two adjacent connection bosses 5051 may not be equal, and since the shapes of the connection bosses 5051 may be at least partially the same or all different, the combination forms are many, which are not listed here. The distance between two connecting bosses 5051 is based on the fact that a slight difference may exist between the shapes of two adjacent connecting bosses 5051, specifically, the concentrated stress during installation of the flange structure can be reduced, and the stability of installation is enhanced.
As shown in fig. 7, 9, 11, 13, and 15, in the axial direction of the flange structure, connection bosses 5051 extend to both ends of the outer peripheral surface of the flange structure. The connecting bosses 5051 extend to two ends of the outer peripheral surface of the flange structure to increase the contact area between the connecting bosses 5051 and the flange structure, reduce concentrated stress, and improve the stability of flange structure installation in the operation process of the rotary cylinder compressor to avoid vibration noise.
The present application provides the embodiments of fig. 4, 5, 8, 9, 12, 13 with six connection bosses 5051 depending on the number of connection bosses 5051. In addition, the embodiment of fig. 6, 7, 10, 11 is provided, in which there are three connection bosses 5051. In addition, the embodiment of fig. 14, 15 is provided in which there are four connection bosses 5051. Of course, the number of the connecting bosses 5051 may be two, five, etc., which are not listed here because of the many alternatives.
Specifically, each connecting boss 5051 is provided with at least one welding point 5061, and each connecting boss 5051 is provided with at least one welding point 5061, so as to enhance the stability of welding, and the more welding points, the higher the stability of the corresponding connecting boss 5051.
It should be noted that the connecting boss 5051 is not limited to be welded by the welding point 5061, but may be welded by a welding rod, so as to achieve the effects of stabilizing the flange structure and reducing vibration noise
As shown in fig. 4 to 15, each connection boss 5051 is provided with at least one welding point 5061. At least one weld 5061 is provided on each connection boss 5051. Specifically, the number of the welding points 5061 may be one, two or more. According to the actual stress condition of the flange structure in the pump body assembly, the number of the welding points 5061 on each connecting boss 5051 may be at least partially the same or different, so as to achieve the effects of vibration and noise reduction. The following description will be given of an embodiment in which the number of welding points 5061 on each connection boss 5051 is the same.
It should be noted that when a plurality of welding points 5061 are provided on the same connecting boss 5051, the plurality of welding points 5061 are spaced apart along the axial direction of the flange structure.
In the embodiment shown in fig. 11 and 15, when two welding points 5061 are provided on the same connecting boss 5051, the welding points 5061 on the upper side of all connecting bosses 5051 are located at the same axial height of the flange structure, and the welding points 5061 on the lower side of all connecting bosses 5051 are located at the same axial height of the flange structure.
Specifically, the connecting bosses 5051 are arranged at intervals in the circumferential direction of the flange structure, and the welding points 5061 on the connecting bosses 5051 are arranged at the same height, so that vibration transmission in multiple directions can be improved, the rigidity of welding is enhanced, and vibration noise is reduced.
In the embodiment shown in fig. 7 and 9, each connection boss 5051 is provided with a weld 5061, and the welds 5061 of all connection bosses 5051 are located at the same axial height of the flange structure. The vibration transmission in multiple directions can be improved, so that the welding rigidity is enhanced, and the vibration noise is reduced.
In the embodiment shown in fig. 13, each connecting boss 5051 is provided with a welding point 5061, the welding points 5061 on all connecting bosses 5051 are alternately located at a first position and a second position in the axial direction of the flange structure, the first position is located above the second position, the first positions of different connecting bosses 5051 are located at the same height in the axial direction of the flange structure, and the second positions of different connecting bosses 5051 are located at the same height in the axial direction of the flange structure. The welding points 5061 are alternately arranged on the connecting bosses 5051, so that vibration in multiple directions received by the flange structure can be buffered, the welding rigidity is improved, and the vibration noise is reduced.
As shown in fig. 6 to 15, an included angle between two connecting lines from two adjacent connecting bosses 5051 to the axis of the flange structure is 60 degrees, 90 degrees, or 120 degrees.
Specifically, when welding is performed through three welding points 5061, three connecting bosses 5051 are provided, an included angle between two connecting lines from two adjacent connecting bosses 5051 to the axis of the flange structure is 120 degrees, and each connecting boss 5051 is provided with one welding point 5061; when welding is performed through six welding points 5061, six connecting bosses 5051 are arranged, an included angle between each two connecting lines from two adjacent connecting bosses 5051 to the axis of the flange structure is 60 degrees, and each connecting boss 5051 is provided with one welding point 5061; when welding is performed through six welding points 5061, three connecting bosses 5051 are arranged, an included angle between two connecting lines from two adjacent connecting bosses 5051 to the axis of the flange structure is 120 degrees, and each connecting boss 5051 is provided with two welding points 5061; when welding is performed by eight welding points 5061, four connecting bosses 5051 are provided, an included angle between two connecting lines from two adjacent connecting bosses 5051 to the axis of the flange structure is 90 degrees, and each connecting boss 5051 is provided with two welding points 5061.
It should be noted that, according to the number of the welding points 5061, the number and the angle of the connecting bosses 5051 may be adaptively adjusted to enhance the welding strength and reduce the vibration noise.
As shown in fig. 4 to 15, a side of the flange structure facing the cylinder liner 40 is opened with a noise reduction groove 5031. The flange structure has a flange vent hole 5011, and by providing a circumferentially extending noise reduction groove 5031 on the side of the flange structure, the gas enters the noise reduction groove 5031 and then flows to the flange vent hole 5011 along one end of the noise reduction groove 5031 to reduce the aerodynamic noise, so that the flange structure has a noise reduction function.
In the present invention, the muffling grooves 5031 on the flange structure may or may not be connected to each other, so that the noise of the flange structure can be reduced by the muffling grooves 5031. Specifically, when the muffling groove 5031 is not communicated, a blocking structure 5021 is formed between the head and the tail of the muffling groove 5031, so that the gas entering the interior of the muffling groove 5031 flows along a directional path, which can enhance the noise reduction effect, and meanwhile, the blocking structure 5021 can increase the rigidity of the flange structure and improve the stability of the flange structure.
As shown in fig. 4 to 15, the side wall of the noise-reducing groove 5031 has a plurality of rib-like structures protruding toward the central axis of the flange structure, and the plurality of rib-like structures are arranged at intervals along the side wall of the noise-reducing groove 5031, so that the noise-reducing groove 5031 has alternately arranged wide flow areas and narrow flow areas.
Specifically, the noise-canceling recess 5031 is internally formed with wide and narrow flow-passing regions alternately arranged by a plurality of rib-like structures provided at intervals on the side wall of the noise-canceling recess 5031. When the gas flows into the silencing groove 5031, the gas is throttled and expanded for multiple times when passing through a plurality of wide flow passing regions and narrow flow passing regions arranged at intervals, so as to reduce noise.
In the present invention, the plurality of rib-like structures make the noise reduction groove 5031 have alternately arranged wide flow areas and narrow flow areas to increase the throttling and expansion times, and it should be noted that the throttling and expansion times are not as high as possible, and when the number of rib-like structures is more than 3 and less than 5, the noise reduction and reduction functions are provided. In this embodiment, the number of rib-like structures is 3.
It should be noted that the distance between the central axes of the rib structures and the flange structure may be equal. The plurality of rib structures are disposed inside the noise reduction groove 5031 with the central axis of the flange structure as the center, and are equidistant from the central axis of the flange structure, so as to enhance the noise reduction effect. Of course, not all of the ribs need be equidistant from the central axis of the flange structure. The distance between the central axes of different rib-shaped structures and flange structures can be partially different or totally different, and the distances are not listed, and the distances between the central axes of the rib-shaped structures and the flange structures are reasonably set on the basis of realizing the silencing function.
The flange structure in the present invention is an upper flange 50.
As shown in fig. 1 to 3, the pump body assembly further includes a rotating shaft 30, a limiting plate and a cylinder liner 40, the limiting plate has a limiting plate exhaust hole 7011, the cylinder liner 40 has a cylinder liner exhaust hole 4012, a cylinder liner communication hole 4011 and a middle cavity 4013, the rotating shaft 30 sequentially penetrates through the flange structure, the limiting plate and the cylinder liner 40, and the cylinder liner communication hole 4011, the limiting plate exhaust hole 7011 and a silencing groove 5031 of the flange structure are communicated. In the present embodiment, the stopper plate is an upper stopper plate 70.
Of course, if the pump body assembly is designed to be a lower exhaust structure, the flange structure may be a lower flange, and the limiting plate may be a lower limiting plate.
Specifically, the gas flows through the cylinder liner exhaust holes 4012 to the intermediate chamber 4013 in sequence, the gas in the intermediate chamber 4013 enters the silencing groove 5031 of the flange structure through the limiting plate exhaust hole 7011, is subjected to multiple throttling expansions in the silencing groove 5031 to achieve the effects of noise reduction and silencing, and then is discharged to the outside of the silencing groove 5031 through the flange exhaust hole 5011.
As shown in fig. 1 to 2, in the present invention, the pump body assembly further includes a cylinder 10 and a piston 20, the cylinder 10 is rotatably disposed in the volume cavity of the cylinder sleeve 40, a piston hole is radially opened on the cylinder 10, the piston 20 has a sliding hole, at least a portion of the rotating shaft 30 penetrates the sliding hole, during the rotation of the piston 20 along with the rotating shaft 30, the piston 20 slides in the piston hole relative to the rotating shaft 30, and the cylinder 10 rotates synchronously.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the connecting bosses 5051 are arranged at intervals in the circumferential direction of the flange structure, and the flange structure is mounted through the connecting bosses 5051, so that the rigidity of the flange structure can be improved, the thermal deformation is reduced, the stability of the flange structure is improved, and the vibration noise is reduced. The current flange structure adopts cantilever support's mode to install, easily produces vibration noise, leads to noise reduction effect unstable, is unfavorable for carrying out noise reduction.
Specifically, the connecting lug bosses 5051 are arranged at intervals in the axial direction of the flange structure, the connecting lug bosses 5051 are welded, the effect of fixing the flange structure is achieved, welding rigidity can be enhanced, spot welding is conducted on the connecting lug bosses 5051 in the operation process of the rotary cylinder compressor, the size of the spot welding is 4mm to 7mm so as to optimize the welding mode, vibration excitation of the flange structure in the operation process of the rotary cylinder compressor can be reduced, the stability of the flange structure is effectively improved, and vibration noise is reduced.
It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (13)
1. A flange structure is characterized in that the outer peripheral surface of the flange structure is provided with a plurality of connecting bosses (5051) extending out in the radial direction of the flange structure, the connecting bosses (5051) are arranged at intervals in the circumferential direction of the flange structure so as to form a clearance concave part between every two adjacent connecting bosses (5051), welding points (5061) are arranged on the connecting bosses (5051), the diameter of each welding point (5061) is larger than or equal to 4mm and smaller than or equal to 7mm, each connecting boss (5051) is provided with at least one welding point (5061), and when the same connecting boss (5051) is provided with a plurality of welding points (5061), the welding points (5061) are arranged at intervals in the axial direction of the flange structure;
one side, facing a cylinder sleeve (40), of the flange structure is provided with a silencing groove (5031), the side wall of the silencing groove (5031) is provided with a plurality of rib-shaped structures protruding towards the central shaft of the flange structure, the rib-shaped structures are arranged at intervals along the side wall of the silencing groove (5031) so that the silencing groove (5031) is provided with a wide overflowing area and a narrow overflowing area which are alternately arranged, the flange structure is provided with a flange exhaust hole (5011), and gas flows to the flange exhaust hole (5011) from one end to the other end of the silencing groove (5031) after entering the silencing groove (5031) through the arrangement of the silencing groove (5031) extending in the circumferential direction on the side face of the flange structure.
2. The flange structure according to claim 1, characterized in that the distance between two adjacent connection bosses (5051) is equal.
3. The flange structure according to claim 1, wherein the connection boss (5051) extends to both ends of the outer circumferential surface of the flange structure in the axial direction of the flange structure.
4. A flange structure according to claim 1, characterized in that when two welding points (5061) are provided on the same connecting boss (5051), the welding points (5061) on the upper side on all connecting bosses (5051) are located at the same height in the axial direction of the flange structure, and the welding points (5061) on the lower side on all connecting bosses (5051) are located at the same height in the axial direction of the flange structure.
5. Flange structure according to claim 1, characterised in that one said welding point (5061) is provided on each said connection boss (5051),
all welding points (5061) on the connecting bosses (5051) are located at the same axial height of the flange structure; or
The welding points (5061) on all the connecting bosses (5051) are alternately located at a first axial position and a second axial position of the flange structure, the first position is located above the second axial position, the first positions of different connecting bosses (5051) are located at the same axial height of the flange structure, and the second positions of different connecting bosses (5051) are located at the same axial height of the flange structure.
6. The flange structure according to any one of claims 1 to 5, wherein an angle between two connecting lines of two adjacent connecting projections (5051) to the axis of the flange structure is 60 degrees, 90 degrees, or 120 degrees.
7. The flange structure according to any one of claims 1 to 5, wherein the muffling recess (5031) communicates end to end.
8. The flange structure according to any one of claims 1 to 5, wherein ends of the noise-canceling grooves (5031) are not communicated to form a blocking structure (5021) between the ends of the noise-canceling grooves (5031).
9. A flange structure according to any one of claims 1-5, characterized in that the flange structure is an upper flange (50).
10. A pump body assembly, characterized by comprising a flange structure according to any one of claims 1 to 9.
11. The pump body assembly of claim 10, further comprising:
a rotating shaft (30);
a limiting plate having a limiting plate vent (7011);
cylinder jacket (40), cylinder jacket (40) have cylinder jacket exhaust hole (4012), pivot (30) pass in proper order the flange structure the limiting plate with cylinder jacket (40), cylinder jacket exhaust hole (4012) limiting plate exhaust hole (7011) with amortization recess (5031) intercommunication of flange structure.
12. The pump body assembly according to claim 11, characterized in that said cylinder liner (40) has a volume cavity, said pump body assembly further comprising:
the cylinder (10) is rotatably arranged in the volume cavity, and a piston hole is formed in the cylinder (10) along the radial direction of the cylinder;
the piston (20), the piston (20) has the sliding hole, at least a part of pivot (30) wear to establish in the sliding hole, in the piston (20) along with pivot (30) pivoted process, the piston (20) for pivot (30) slide in the piston hole, and cylinder (10) synchronous rotation.
13. A fluid machine comprising a pump body assembly according to any one of claims 10 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011592311.3A CN112555156B (en) | 2020-12-29 | 2020-12-29 | Flange structure, pump body assembly and fluid machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011592311.3A CN112555156B (en) | 2020-12-29 | 2020-12-29 | Flange structure, pump body assembly and fluid machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112555156A CN112555156A (en) | 2021-03-26 |
| CN112555156B true CN112555156B (en) | 2022-05-27 |
Family
ID=75032714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011592311.3A Active CN112555156B (en) | 2020-12-29 | 2020-12-29 | Flange structure, pump body assembly and fluid machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112555156B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402127A (en) * | 2014-08-21 | 2016-03-16 | 洛阳中方实业有限公司 | Refrigeration compressor |
| CN107152392A (en) * | 2017-07-06 | 2017-09-12 | 珠海格力电器股份有限公司 | Pump assembly, fluid machinery and heat transmission equipment |
| CN207349098U (en) * | 2017-10-26 | 2018-05-11 | 西安庆安制冷设备股份有限公司 | A kind of compressor noise-reduction structure |
| CN209370071U (en) * | 2018-11-29 | 2019-09-10 | 珠海凌达压缩机有限公司 | One kind can noise reduction flange, compressor and air-conditioning system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR920007624B1 (en) * | 1990-10-22 | 1992-09-09 | 대우캐리어 주식회사 | Muffler for hermetic rotary compressor |
| JP4670529B2 (en) * | 2005-07-29 | 2011-04-13 | ダイキン工業株式会社 | Compressor |
-
2020
- 2020-12-29 CN CN202011592311.3A patent/CN112555156B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402127A (en) * | 2014-08-21 | 2016-03-16 | 洛阳中方实业有限公司 | Refrigeration compressor |
| CN107152392A (en) * | 2017-07-06 | 2017-09-12 | 珠海格力电器股份有限公司 | Pump assembly, fluid machinery and heat transmission equipment |
| CN207349098U (en) * | 2017-10-26 | 2018-05-11 | 西安庆安制冷设备股份有限公司 | A kind of compressor noise-reduction structure |
| CN209370071U (en) * | 2018-11-29 | 2019-09-10 | 珠海凌达压缩机有限公司 | One kind can noise reduction flange, compressor and air-conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112555156A (en) | 2021-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5076225A (en) | Piston for an internal combustion engine | |
| US20100101527A1 (en) | Load-optimized interior of a piston | |
| JP5940060B2 (en) | Angular sector of a stator for a turbine engine compressor, turbine engine stator, and turbine engine including such a sector | |
| JP2009506259A (en) | Lightweight piston | |
| JP7047134B2 (en) | Pump body unit, fluid machine, and heat exchanger | |
| CN112555156B (en) | Flange structure, pump body assembly and fluid machine | |
| KR102186278B1 (en) | Piston for an internal combustion engine | |
| CN101096919B (en) | Turbo machine | |
| KR101497178B1 (en) | Pin boss and piston having the same, for an internal combustion engine | |
| CN114688028A (en) | Flange structure, pump body assembly and fluid machine | |
| CN112524031B (en) | Flange structure, pump body assembly and fluid machine | |
| JP4630371B2 (en) | Progress of pin hole geometry for internal combustion engine pistons | |
| CN112524033B (en) | Flange structure, pump body assembly and fluid machine | |
| US10428668B2 (en) | Vane segment with peripheral securing | |
| JP2018128017A (en) | Gas turbine ring segment including linear cooling hole, and gas turbine including the same | |
| CN111394946B (en) | Washing machine | |
| JP6447458B2 (en) | Dust cover | |
| KR101333858B1 (en) | Device for coupling a piston to an annular disc | |
| CN112524032B (en) | Flange structure, pump body assembly and fluid machine | |
| CN112524034B (en) | Flange structure, pump body assembly and fluid machine | |
| JP3172856U (en) | Centrifugal fan structure | |
| JP2005171783A (en) | Blade ring structure | |
| JP7137786B2 (en) | internal combustion engine piston | |
| CN110691873B (en) | Flange shaft device and washing machine | |
| CN107905911A (en) | Overhead camshaft cylinder head sealing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |