CN109185138B - Magnetic force smooth compressor - Google Patents
Magnetic force smooth compressor Download PDFInfo
- Publication number
- CN109185138B CN109185138B CN201811241339.5A CN201811241339A CN109185138B CN 109185138 B CN109185138 B CN 109185138B CN 201811241339 A CN201811241339 A CN 201811241339A CN 109185138 B CN109185138 B CN 109185138B
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- sliding
- compression cavity
- cavity shell
- shell
- compression
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- 238000007906 compression Methods 0.000 claims abstract description 86
- 230000006835 compression Effects 0.000 claims abstract description 84
- 210000004907 gland Anatomy 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000009499 grossing Methods 0.000 claims 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 abstract description 40
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 29
- 239000007789 gas Substances 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 11
- 239000002699 waste material Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000002341 toxic gas Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012224 working solution Substances 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
- 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
- F04C18/3441—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 the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
-
- 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
- F04C29/0021—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
- F04C2240/00—Components
- F04C2240/50—Bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention provides a magnetic smooth compressor, relates to the technical field of compressors, and solves the technical problems of water and oil pollution in the process of conveying and compressing low-pressure acetylene gas, waste and low working efficiency. The magnetic smooth compressor comprises an outer shell, a compression cavity shell, a compression assembly and a magnetic driving assembly; the outer shell is of a structure with two open ends, and the compression cavity shell is provided with an open end; a rear gland is arranged at one end of the outer shell, and a compression cavity in the compression cavity shell is divided into two working cavities with variable volumes by a movable sliding disc; an air inlet valve and an air outlet valve are arranged on the compression cavity shell, and a group of air inlet valve and air outlet valve are correspondingly arranged on the two working cavities respectively. The invention is used for the delivery and compression of flammable and toxic gases or liquids, such as acetylene.
Description
Technical Field
The invention relates to the technical field of compressors, in particular to a magnetic force smooth compressor.
Background
Currently, compressors for fluid delivery compression are generally piston compressors, rotor compressors, screw compressors, water ring compressors and scroll compressors. In a refinement factory using acetylene gas as a raw material, a water ring compressor and a piston compressor are generally adopted for conveying and compressing the acetylene gas.
When the water ring compressor is used for conveying and compressing acetylene gas, because the acetylene gas is slightly soluble in water, the solubility of the acetylene gas in water is 1.15 (the volume of 1 unit volume of heavy acetylene) at 15 ℃ and 1 atmosphere, and the acetylene can be discharged along with the working solution, so that the acetylene is wasted and the environment is polluted. If acetylene is recovered, the acetylene gas separated by the steam-water separator contains a large amount of water, and a manufacturer needs to add drying equipment to dry the acetylene gas. Increasing the cost of production.
When the piston type acetylene compressor is used for conveying and compressing acetylene gas, a tiny oil lubrication mode is adopted for the piston type acetylene compressor, so that a lot of greasy dirt exists in the acetylene gas, the subsequent production is influenced, and an oil-water separator is required to be added after the acetylene gas is compressed, so that the greasy dirt and moisture in the acetylene gas are removed. At present, most of the acetylene gas is dried by using anhydrous calcium chloride or molecular sieve, so that the operation cost of enterprises is increased.
The present inventors found that there are at least the following technical problems in the prior art:
in the prior art, the low-pressure acetylene gas has the technical problems of water and oil pollution in the transportation and compression, and has the technical problems of waste and low working efficiency.
Disclosure of Invention
The invention aims to provide a magnetic smooth compressor, which solves the technical problems of water and oil pollution in the conveying and compressing process of low-pressure acetylene gas in the prior art, and has the technical problems of waste and low working efficiency. The preferred technical solutions of the technical solutions provided by the present invention can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides a magnetic smooth compressor, which comprises an outer shell, a compression cavity shell, a compression assembly and a magnetic driving assembly, wherein the outer shell is provided with a plurality of compression cavities; wherein,
The outer shell is of a structure with two open ends, and the compression cavity shell is provided with an open end; one end of the outer shell is provided with a rear gland, and the other end of the outer shell is connected with the open end of the compression cavity shell;
the magnetic driving component is positioned in the outer shell;
The compression assembly comprises a movable slide plate and an eccentric crankshaft; one end of the eccentric crankshaft is in sliding fit with the movable slide disc, and the other end of the eccentric crankshaft is driven to rotate by the magnetic driving assembly; the movable slide plate is positioned in the compression cavity shell and can translate in the compression cavity shell, and when the movable slide plate is driven by the eccentric crankshaft to translate in the compression cavity shell, the compression cavity in the compression cavity shell is divided into two working cavities with variable volumes by the movable slide plate;
an air inlet valve and an air outlet valve are arranged on the compression cavity shell, and a group of air inlet valve and air outlet valve are correspondingly arranged on the two working cavities respectively.
Optionally or preferably, the sliding plate comprises a sliding plate, a separation block and a sliding sheet; wherein,
The number of the sliding sheets is two, and the two sliding sheets are oppositely arranged;
The separation block is connected to the slide plate and is positioned in the compression cavity shell;
The sliding plate is round and is matched with the open end of the compression cavity shell; a sliding vane mounting hole matched with the sliding vane is formed in the separation block; the two sliding sheets are arranged in the corresponding sliding sheet mounting holes through the elastic components; one end of the sliding vane is in sealing fit with the compression cavity shell, the other end of the sliding vane is positioned in the sliding vane mounting hole, and two sides of the sliding vane are in sealing fit with the sliding vane mounting hole;
when the movable slide plate is driven by the eccentric crankshaft to translate in the compression cavity shell, the compression cavity in the compression cavity shell is divided into two working cavities with variable volumes by the separation block and the two sliding sheets.
Optionally or preferably, an annular groove is formed in the outer wall of the sliding plate.
Optionally or preferably, the magnetic driving assembly comprises an outer magnetic cylinder and an inner magnetic sleeve; the outer magnetic cylinder is arranged close to the rear gland and is in rotary sealing connection with the rear gland; the inner magnetic sleeve is sleeved on the eccentric crankshaft and positioned at the inner side of the outer magnetic cylinder; and a separation sleeve is arranged between the outer magnetic cylinder and the inner magnetic sleeve.
Optionally or preferably, the rear gland and the outer magnetic cylinder are sealed through a framework oil seal.
Optionally or preferably, the device further comprises a support assembly, wherein the support assembly comprises a rear support plate, a bearing bracket and a sliding bearing; the compression cavity shell, the rear supporting plate and the outer shell are sequentially connected; the rear supporting plate, the bearing bracket and the isolation sleeve are sequentially connected; the sliding bearing is arranged on the bearing bracket and is in sliding fit with the eccentric crankshaft. .
Alternatively or preferably, the number of the sliding bearings is two.
Optionally or preferably, the device further comprises an anti-rotation cross slide block, wherein the anti-rotation cross slide block is sleeved on the eccentric crankshaft, and the anti-rotation cross slide block is arranged close to the movable slide plate and is provided with a synchronous rotating structure with the movable slide plate.
Optionally or preferably, a stainless steel gasket is arranged on the inner wall of the compression cavity shell.
Optionally or preferably, a balancing weight is further sleeved on the eccentric crankshaft.
Based on the technical scheme, the embodiment of the utility model at least has the following technical effects:
The magnetic smooth compressor provided by the invention has the advantages that the power part is driven by the magnetic driving component, so that the whole machine is free from leakage, the transportation and compression of combustible and toxic gases or liquids (such as acetylene) can be realized, and the waste in the transportation and compression processes is avoided; the technical problems of water and oil stain are not existed in the process of conveying and compressing acetylene gas, a steam-water separator is not needed for separating acetylene from water, and the drying of acetylene after separation or the oil-water separator is not needed for removing oil stain and water in acetylene gas;
According to the magnetic smooth compressor provided by the invention, acetylene and water are not separated by the steam-water separator during conveying and compressing, and the separated acetylene is not required to be dried or the oil-water separator is used for removing oil stains and water in the acetylene gas, so that the working efficiency of conveying and compressing the acetylene gas is improved;
The magnetic force smooth compressor provided by the invention has the advantages of small number of parts, simple and compact structure, small volume, light weight and high reliability.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the external structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of an embodiment of the present invention;
FIG. 3 is a schematic view of a semi-sectional structure of a compression chamber housing in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a compression chamber housing in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of a structure of a slider in an embodiment of the present invention;
FIG. 6 is a front view of a slider in an embodiment of the present invention;
FIG. 7 is a cross-sectional view of A-A of FIG. 6;
FIG. 8 is a rear view of the slider plate in an embodiment of the present invention;
FIG. 9 is a schematic diagram illustrating the operation of an embodiment of the present invention;
FIG. 10 is a second schematic diagram of the operation of an embodiment of the present invention;
FIG. 11 is a third schematic representation of the operation of an embodiment of the present invention;
FIG. 12 is a fourth schematic diagram of the operation of an embodiment of the present invention;
FIG. 13 is a fifth schematic representation of the operation of an embodiment of the present invention;
FIG. 14 is a schematic diagram of the operation of an embodiment of the present invention;
fig. 15 is a schematic structural view of a rear support plate in an embodiment of the present invention;
Fig. 16 is a schematic installation view of a movable slide plate, an anti-rotation cross slide block, a flanging self-lubricating bearing and a rear supporting plate in the embodiment of the invention.
In the figure: 1. an outer housing; 2. a compression chamber housing; 3. a rear gland; 4. an eccentric crankshaft; 5. an intake valve; 6. an exhaust valve; 7. a slide plate; 701. a first bulge; 702. a second protrusion; 703. a mounting groove; 8. a separation block; 801. a slide mounting hole; 9. a sliding sheet; 10. a spring; 11. an outer magnetic cylinder; 12. an inner magnetic sleeve; 13. a spacer sleeve; 14. a rear support plate; 1401. a groove I; 1402. a second groove; 1403. a groove III; 1404. a mounting hole; 15. a bearing support; 16. a sliding bearing; 17. anti-rotation cross slide block; 1701. a mounting ring; 1702. a mounting block; 18. stainless steel gaskets; 19. balancing weight blocks; 20. a compression chamber; 21. an annular groove; 22. a flanging self-lubricating bearing; 23. a working chamber A; 24. a working chamber B; 25. and a connecting shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
As shown in fig. 1-16:
The invention provides a magnetic smooth compressor, which comprises an outer shell 1, a compression cavity shell 2, a compression assembly and a magnetic driving assembly, wherein the compression assembly is arranged on the outer shell; wherein,
The outer shell 1 is of a structure with two open ends, and the compression cavity shell 2 is provided with an open end; one end of the outer shell 1 is provided with a rear gland 3, and the other end of the outer shell 1 is connected with the open end of the compression cavity shell 2;
The magnetic driving assembly is positioned in the outer shell 1;
The compression assembly comprises a movable slide plate and an eccentric crankshaft 4; one end of the eccentric crankshaft 4 is in sliding fit with the movable slide disc, and the other end of the eccentric crankshaft 4 is driven to rotate by a magnetic driving assembly; the movable slide disc is positioned in the compression cavity shell 2 and can be driven by the eccentric crankshaft 4 to translate in the compression cavity shell 2, and when the movable slide disc is driven by the eccentric crankshaft 4 to translate in the compression cavity shell 2, the compression cavity 20 in the compression cavity shell 2 is divided into two working cavities with variable volumes by the movable slide disc;
An air inlet valve 5 and an air outlet valve 6 are arranged on the compression cavity shell 2, and a group of air inlet valve 5 and air outlet valve 6 are correspondingly arranged on the two working cavities respectively.
The magnetic smooth compressor provided by the invention has the advantages that the power part is driven by the magnetic driving component, so that the whole machine is free from leakage, the transportation and compression of combustible and toxic gases or liquids (such as acetylene) can be realized, and the waste in the transportation and compression processes is avoided; the technical problems of water and oil stain are not existed in the process of conveying and compressing acetylene gas, a steam-water separator is not needed for separating acetylene from water, and the drying of acetylene after separation or the oil-water separator is not needed for removing oil stain and water in acetylene gas;
According to the magnetic smooth compressor provided by the invention, acetylene and water are not separated by the steam-water separator during conveying and compressing, and the separated acetylene is not required to be dried or the oil-water separator is used for removing oil stains and water in the acetylene gas, so that the working efficiency of conveying and compressing the acetylene gas is improved;
The magnetic force smooth compressor provided by the invention has the advantages of small number of parts, simple and compact structure, small volume, light weight and high reliability.
As an alternative embodiment, one end of the eccentric crankshaft 4 is connected with the movable sliding disc through a flanging self-lubricating bearing 22.
As an alternative embodiment, the sliding plate comprises a sliding plate 7, a separation block 8 and a sliding sheet 9; wherein,
The number of the sliding sheets 9 is two, and the two sliding sheets 9 are oppositely arranged;
The separation block 8 is connected to the slide plate 7 and is positioned in the compression cavity shell 2;
The sliding plate 7 is round and is matched with the open end of the compression cavity shell 2; a sliding vane mounting hole 801 matched with the sliding vane 9 is formed in the separation block 8; the two sliding sheets 9 are all installed in the corresponding sliding sheet installation holes 801 through elastic components, one end of each sliding sheet 9 is in sealing fit (contact type dynamic seal) with the compression cavity shell 2, the other end of each sliding sheet 9 is positioned in each sliding sheet installation hole 801, and two sides of each sliding sheet 9 are in sealing fit (contact type dynamic seal) with the corresponding sliding sheet installation holes 801; because the compression chamber shell 2 and the sliding plate 7 of the sliding plate are of circular design, the processing difficulty of parts can be reduced, the manufacturing cost is reduced, the thickness of the sliding plate 7 of the sliding plate is not limited by the compression chamber 20 in the compression chamber shell 2, the strength of the sliding plate can be ensured, and the service life of the sliding plate is prolonged.
When the movable slide disk is driven by the eccentric crankshaft 4 to translate in the compression cavity shell 2, the compression cavity 20 in the compression cavity shell 2 is divided into two working cavities with variable volumes by the separation block 8 and the two slide sheets 9.
As an alternative embodiment, the elastic component is a spring 10; of course, other elastic components having elasticity are also possible.
In the present embodiment, each slide 9 corresponds to two slide mounting holes 801.
As an alternative embodiment, an annular groove 21 is formed on the outer wall of the slide plate 7. When the movable slide plate is driven by the eccentric crankshaft 4 to translate in the compression cavity shell 2, the annular groove 21 is formed, so that the contact area between the outer wall of the slide plate 7 and the compression cavity shell 2 is reduced, friction between friction pairs can be reduced, and leakage of gas (or liquid) in the high-pressure cavity to the low-pressure cavity is avoided.
As an alternative embodiment, the magnetic drive assembly comprises an outer magnetic cylinder 11 and an inner magnetic sleeve 12; a connecting shaft 25 is arranged at one end of the outer magnetic cylinder 11 close to the rear gland 3; the outer magnetic cylinder 11 is arranged close to the rear gland 3, the connecting shaft 25 of the outer magnetic cylinder 11 is connected with the rear gland 3 through a rolling bearing, and the connecting shaft 25 of the rear gland 3 and the outer magnetic cylinder 11 are sealed through a framework oil seal; the inner magnetic sleeve 12 is sleeved on the eccentric crankshaft 4 and is positioned at the inner side of the outer magnetic cylinder 11; a spacer sleeve 13 is arranged between the outer magnetic cylinder 11 and the inner magnetic sleeve 12.
As an alternative embodiment, it further comprises a support assembly comprising a rear support plate 14, a bearing bracket 15 and a sliding bearing 16; the compression cavity shell 2, the rear supporting plate 14 and the outer shell 1 are sequentially connected outside the outer shell 1; the rear supporting plate 14, the bearing bracket 15 and the isolation sleeve 13 are sequentially connected inside the outer shell 1; the sliding bearing 16 is arranged on the bearing bracket 15 and is in sliding fit with the eccentric crankshaft 4; the compression chamber housing 2 is in sealing engagement with the contact surface 14 of the rear support plate.
As an alternative embodiment, the number of the sliding bearings 16 is two; the eccentric crankshaft 4 is in sliding engagement with both slide bearings 16.
As an alternative embodiment, the anti-rotation cross slide block 17 is further included, the anti-rotation cross slide block 17 is sleeved on the eccentric crankshaft 4, and the anti-rotation cross slide block 17 is arranged close to the movable slide plate and is provided with a synchronous rotating structure with the movable slide plate.
The anti-rotation cross slide block 17 comprises an annular mounting ring 1701, a group of mounting blocks 1702 are respectively arranged on two end faces of the mounting ring 1701, and the two groups of mounting blocks 1701 are in a cross shape; the sliding disc 7 is provided with a step-shaped mounting protrusion at one side close to the anti-rotation cross slide block 17, and the mounting protrusion comprises a protrusion I701 and a protrusion II 702; the first protrusion 701 is provided with a set of mounting grooves 703 for accommodating a set of mounting blocks 1702, and the mounting blocks 1702 are matched with the mounting grooves 703 (i.e. the height of the mounting blocks 1702 is the same as the depth of the mounting grooves 703 and the width is matched with the height of the mounting blocks 1702);
The rear supporting plate 14 is provided with three stepped grooves on one side close to the movable sliding plate, the grooves comprise a first groove 1401, a second groove 1402 and a third groove 1403, after the anti-rotation cross slide block 17 is mounted on the movable sliding plate, one group of mounting blocks 1702 are positioned in the mounting groove 703 of the movable sliding plate, the other group of mounting blocks 1702 act on the first groove 1401 of the rear supporting plate 14, and the second protrusion 702 is clamped in the second groove 1402; the first recess 1401 is further provided therein with a mounting hole 1404 for the eccentric crankshaft 4 to pass through.
When the eccentric crankshaft 4 rotates under the action of the magnetic driving assembly, one end of the eccentric crankshaft 4 is connected with the movable sliding disc through the flanging self-lubricating bearing 22, and the movable sliding disc only translates and does not rotate under the action of the anti-rotation cross slide block 17 and the rear supporting plate 14. In addition, the sliding disk and the compression chamber shell 2 only translate and do not rotate, so the relative movement speed is low, and the friction loss is low, therefore, the relative rotation speed of the compressor is high, and the working efficiency is high.
As an alternative embodiment, the inner wall of the compression chamber housing 2 is provided with stainless steel gaskets 18. The arrangement of the stainless steel gasket 18 can reduce friction between the inner wall of the compression cavity shell 2 and the movable sliding plate, and oil-free lubrication can be realized.
As an alternative embodiment, the eccentric crankshaft 4 is also sleeved with a balancing weight 19; because the turning radius of the eccentric crankshaft 4 is small, and the balancing weight 19 is arranged, the rotating inertia force is small, and therefore, the device has the advantages of good motion balancing performance, small vibration of the whole machine and stable operation.
The working process of the magnetic smooth compressor provided by the invention is as follows:
the eccentric crankshaft 4 is driven to rotate by the magnetic driving component; the rotation of the eccentric crankshaft 4 drives the sliding disc to translate in the compression cavity shell 2; in the process of moving the sliding plate and translating, the compression chamber housing 2 is divided into two working chambers (working chamber a 23 and working chamber B24) with variable volumes by the sliding plate (separation block 8 and two sliding sheets 9), the working chamber a 23 and the working chamber B24 are respectively provided with a group of air inlet valves 5 and air outlet valves 6 correspondingly, and the specific air suction and exhaust processes of the working chamber a 23 and the working chamber B24 are as follows:
① By sequentially observing fig. 6, 7 and 8, the working chamber volume of the working chamber A23 is changed from small to large, and an air suction process is completed; the working chamber volume of the working chamber B24 is changed from large to small, and an exhaust process is completed;
② By sequentially observing fig. 9, 10 and 11, the working chamber volume of the working chamber a 23 is changed from large to small, and an exhaust process is completed; the working chamber volume of the working chamber B24 is changed from small to large, and an air suction process is completed;
③ The working chamber volumes of working chamber a 23 and working chamber B24 vary periodically to effect aspiration and evacuation.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A magnetic smoothing compressor, characterized by: comprises an outer shell, a compression cavity shell, a compression assembly and a magnetic force driving assembly; the outer shell is of a structure with two open ends, and the compression cavity shell is provided with an open end; one end of the outer shell is provided with a rear gland, and the other end of the outer shell is connected with the open end of the compression cavity shell; the magnetic driving component is positioned in the outer shell; the compression assembly comprises a movable slide plate and an eccentric crankshaft; one end of the eccentric crankshaft is in sliding fit with the movable slide disc, and the other end of the eccentric crankshaft is driven to rotate by the magnetic driving assembly; the movable slide plate is positioned in the compression cavity shell and can translate in the compression cavity shell, and when the movable slide plate is driven by the eccentric crankshaft to translate in the compression cavity shell, the compression cavity in the compression cavity shell is divided into two working cavities with variable volumes by the movable slide plate; an air inlet valve and an air outlet valve are arranged on the compression cavity shell, and a group of air inlet valve and air outlet valve are respectively and correspondingly arranged on the two working cavities;
The movable sliding plate comprises a sliding plate, a separation block and a sliding sheet; wherein the number of the sliding sheets is two, and the two sliding sheets are oppositely arranged; the separation block is connected to the slide plate and is positioned in the compression cavity shell; the sliding plate is round and is matched with the open end of the compression cavity shell; a sliding vane mounting hole matched with the sliding vane is formed in the separation block; the two sliding sheets are arranged in the corresponding sliding sheet mounting holes through the elastic components; one end of the sliding vane is in sealing fit with the compression cavity shell, the other end of the sliding vane is positioned in the sliding vane mounting hole, and two sides of the sliding vane are in sealing fit with the sliding vane mounting hole; when the movable slide plate is driven by the eccentric crankshaft to translate in the compression cavity shell, the compression cavity in the compression cavity shell is divided into two working cavities with variable volumes by the separation block and the two sliding sheets;
An annular groove is formed in the outer wall of the sliding disc;
The magnetic driving assembly comprises an outer magnetic cylinder and an inner magnetic sleeve; a connecting shaft is arranged at one end of the outer magnetic cylinder, which is close to the rear gland; the outer magnetic cylinder is arranged close to the rear gland, the connecting shaft of the outer magnetic cylinder is connected with the rear gland through a rolling bearing, and the connecting shaft of the rear gland and the outer magnetic cylinder is sealed through a framework oil seal; the inner magnetic sleeve is sleeved on the eccentric crankshaft and positioned at the inner side of the outer magnetic cylinder; and a separation sleeve is arranged between the outer magnetic cylinder and the inner magnetic sleeve.
2. The magnetically smooth compressor of claim 1, wherein: the rear gland and the outer magnetic cylinder are sealed through a framework oil seal.
3. The magnetically smooth compressor of claim 2, wherein: the support assembly comprises a rear support plate, a bearing bracket and a sliding bearing; the compression cavity shell, the rear supporting plate and the outer shell are sequentially connected; the rear supporting plate, the bearing bracket and the isolation sleeve are sequentially connected; the sliding bearing is arranged on the bearing bracket and is in sliding fit with the eccentric crankshaft.
4. A magnetically smooth compressor according to claim 3 wherein: the number of the sliding bearings is two.
5. The magnetically smooth compressor according to any one of claims 1 to 4, wherein: the anti-rotation cross slide block is sleeved on the eccentric crankshaft, and is close to the movable slide plate and provided with a synchronous rotating structure with the movable slide plate.
6. The magnetically smooth compressor of claim 5, wherein: the inner wall of the compression cavity shell is provided with a stainless steel gasket.
7. The magnetically smooth compressor of claim 6, wherein: and the eccentric crankshaft is also sleeved with a balancing weight.
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| KR101567087B1 (en) * | 2009-08-10 | 2015-11-09 | 엘지전자 주식회사 | compressor |
| CN101709701B (en) * | 2009-12-22 | 2011-08-10 | 西安庆安制冷设备股份有限公司 | Single-cylinder multistage gas-compression rolling piston compressor |
| DE102012009418A1 (en) * | 2012-05-11 | 2013-11-14 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Vacuum pump for direct drive on motor vehicle crankshaft, has working chamber inner wall and orbiter jacket whose in-between working gap is sealed with lubricant in series with lubricated oil as result of orbiter circulation in chamber |
| CN203272136U (en) * | 2013-04-11 | 2013-11-06 | 珠海格力电器股份有限公司 | Single-cylinder multistage compressor |
| CN107120274B (en) * | 2017-06-28 | 2019-07-30 | 广西大学 | Rotary blade type compressor |
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