CN115585120A - Permanent magnet frequency conversion oil cooling air compressor - Google Patents
Permanent magnet frequency conversion oil cooling air compressor Download PDFInfo
- Publication number
- CN115585120A CN115585120A CN202211220526.1A CN202211220526A CN115585120A CN 115585120 A CN115585120 A CN 115585120A CN 202211220526 A CN202211220526 A CN 202211220526A CN 115585120 A CN115585120 A CN 115585120A
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- Prior art keywords
- annular
- fixedly connected
- groove
- air compressor
- piston body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention belongs to the technical field of air compressor equipment, and discloses a permanent magnet variable frequency oil-cooled air compressor which comprises a piston body, wherein two groups of first sealing rings are arranged on the upper part of the side surface of the piston body, a groove is formed in one side of the middle part of the piston body, a supporting frame is fixedly connected to the bottom of the groove, and one end of a reset spring is fixedly connected to the upper end of the groove. According to the invention, through the arrangement of the bolt, the connecting piece and the pressure relief block, the pressure relief block can be driven to move towards the sealing groove by reversing the bolt, so that the pressure relief block is tightly attached to the sealing groove, and the sealing property is ensured. And can break down etc. when needs are gone wrong to the air compressor machine and when perhaps pull down the piston from the cylinder body inner wall fast, through corotation bolt, promote the pressure release piece gradually and break away from the seal groove, accomplish the pressure release, annular rubber tube can stretch under coupling spring's resilience effect simultaneously to take out the inside air of annular gasbag, the taking out of the piston body of being convenient for.
Description
Technical Field
The invention belongs to the technical field of air compressor equipment, and particularly relates to a permanent magnet variable frequency oil-cooled air compressor.
Background
The air compressor is an equipment for compressing gas, which is called air compressor for short, the permanent magnet frequency conversion oil-cooled air compressor is an oil-cooled air compressor driven by a permanent magnet frequency conversion motor, and the air compressor is roughly divided into a reciprocating piston type, a rotating blade or a rotating screw rod, wherein the reciprocating piston compressor is widely applied due to the advantages of wide pressure range, higher thermal efficiency, strong adaptability, low requirement on metal materials for manufacturing the compressor and the like. The air compressor mainly depends on that a piston does periodic reciprocating motion in a cylinder, and completes air compression by periodically expanding and contracting a space formed by the piston and the cylinder. When the space is expanded, the gas in the cylinder expands, the pressure is reduced, and the gas is sucked; when the space shrinks, the gas is compressed, the pressure rises and the gas is discharged.
But current piston air compressor machine still exists not enoughly in the in-service use: firstly, appear damaging at piston air compressor machine, when needing to extract the piston, at the in-process of extracting the piston, because the inside pressure of cylinder body reduces, there is the problem that the staff is difficult to extract the piston from the cylinder body in the cylinder body, secondly, when the overload condition appears in the air compressor machine, there is the pressure release difficulty, can't effectual completion carry out quick pressure release to cylinder body inner wall high-pressure gas.
Disclosure of Invention
The invention aims to provide a permanent magnet variable frequency oil-cooled air compressor to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a permanent magnetism frequency conversion oil cooling air compressor, includes the piston body, and the upper portion of piston body side is provided with two sets of first sealing washer, one side at the middle part of piston body is seted up flutedly, the bottom fixedly connected with support frame of recess, the upper end fixedly connected with reset spring's of recess one end, reset spring's other end fixedly connected with and the activity of recess cup joint the activity flat board, the connecting piece has been cup jointed in the activity of activity flat board's bottom, the inside joint of connecting piece has middle part and support frame threaded connection's bolt, the installation cavity has all been seted up to the both sides that the bolt is close to connecting piece one end, the inside fixedly connected with supporting spring's of installation cavity one end, supporting spring's other end fixedly connected with fixture block, two sets of the fixture block is towards the equal fixedly connected with stay rope in middle part of supporting spring one end, and two sets of the other end fixedly connected with main rope's of stay rope one end, the other end through bolt of main rope just stretches out from the bolt bottom, the one end fixedly connected with that the main rope stretches out from the bolt bottom draws the piece. The piston body is provided with a through hole, the upper end of the groove is provided with a through hole, the other end of the middle fixed connection at the upper end of the connecting piece is connected with a supporting rod extending out of the through hole, the upper end of the supporting rod is fixedly connected with a pressure relief block, the upper end of the through hole is provided with a sealing groove formed in the upper portion of the piston body, and an annular sealing piece is movably sleeved in the sealing groove.
Preferably, the connecting piece includes the casing that cup joints with the activity of activity flat board, the mounting groove has been seted up at the middle part of the bottom of casing, the side fixed mounting of mounting groove inner chamber has the card ring gear.
Preferably, the below of seal groove is provided with sets up the inside annular movable chamber in piston body, a plurality of groups of connecting spring of upper end fixedly connected with in annular movable chamber, the annular fly leaf that connecting spring's bottom fixedly connected with and annular movable chamber activity cup jointed, the connecting rod of four group's other ends of upper end fixedly connected with and annular seal spare fixed connection of annular fly leaf, and the annular rubber tube of the bottom fixedly connected with other end and annular movable chamber bottom fixed connection of annular fly leaf, the below of first sealing washer is provided with the annular gasbag with piston body fixed connection, the outside fixedly connected with second sealing washer of annular gasbag, and the connecting tube that the inboard fixedly connected with other end and the annular rubber tube inside of annular gasbag are linked together.
Preferably, the sealing groove is stepped, and a stepped protrusion matched with the sealing groove is arranged at the bottom of the pressure relief block.
Preferably, the movable flat plate is movably sleeved inside the groove, but the movable flat plate and the inner wall of the groove are not directly closed, and the branch ropes and the main ropes are inelastic ropes.
Preferably, the annular rubber tube is an annular tube which is annular in appearance and hollow inside, and is made of a high-toughness rubber material with elasticity.
The invention has the following beneficial effects:
1. according to the invention, through the arrangement of the pressure relief block, the annular sealing element, the annular rubber tube and the annular air bag, after the piston body is installed, the pressure relief block is driven to move towards the sealing groove through the reversing bolt, the annular rubber tube can be compressed until the pressure relief block is completely attached to the sealing groove, air in the annular rubber tube is extruded to enter the annular air bag through the connecting pipeline, and the annular air bag expands to enable the second sealing ring to be in close contact with the inner wall of the piston cylinder body, so that the sealing effect between the piston body and the cylinder body is further ensured on the basis of the first sealing ring.
2. According to the invention, through the arrangement of the bolt, the connecting piece and the pressure relief block, the pressure relief block can be driven to move towards the sealing groove by reversing the bolt, so that the pressure relief block is tightly attached to the sealing groove, and the sealing property is ensured. And can break down etc. when needs are gone wrong to the air compressor machine and when perhaps pull down the piston from the cylinder body inner wall fast, through corotation bolt, promote the pressure release piece gradually and break away from the seal groove, accomplish the pressure release, annular rubber tube can stretch under coupling spring's resilience effect simultaneously to take out the inside air of annular gasbag, the taking out of the piston body of being convenient for.
3. According to the invention, through the arrangement of the connecting piece, the clamping blocks, the supporting ropes and the main ropes, the clamping blocks on two sides can be separated from the clamping gear ring by overcoming the elasticity of the supporting spring through pulling the pulling block and retract into the mounting cavity, so that the bolt is separated from the inside of the mounting groove, and the pressure relief block is rapidly separated from the sealing groove under the resilience action of the return spring, so that rapid pressure relief can be completed, and the phenomenon that the air compressor is over-pressurized for too long time and accidents occur is avoided.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the invention at B of FIG. 3;
FIG. 5 is a schematic view of the interior of the structural connector of the present invention;
FIG. 6 is a schematic view of the annular rubber tube of the present invention.
In the figure: 1. a piston body; 2. a first seal ring; 3. a groove; 4. a support frame; 5. a return spring; 6. a movable plate; 7. a connecting member; 71. a housing; 72. mounting grooves; 73. clamping a gear ring; 8. a bolt; 9. a mounting cavity; 10. a support spring; 11. a clamping block; 12. rope supporting; 13. a main rope; 14. pulling the block; 15. a through hole; 16. a support bar; 17. releasing the pressure block; 18. a sealing groove; 19. an annular seal; 20. an annular active cavity; 21. a connecting spring; 22. an annular movable plate; 23. a connecting rod; 24. an annular rubber tube; 25. an annular air bag; 26. a second seal ring; 27. and connecting the pipelines.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
As shown in fig. 1 to 6, an embodiment of the present invention provides a permanent magnet frequency conversion oil cooling air compressor, including a piston body 1, wherein two sets of first sealing rings 2 are disposed on an upper portion of a side surface of the piston body 1, and the permanent magnet frequency conversion oil cooling air compressor is characterized in that: recess 3 has been seted up to one side at the middle part of piston body 1, recess 3's bottom fixedly connected with support frame 4, recess 3's upper end fixedly connected with reset spring 5's one end, reset spring 5's other end fixedly connected with and recess 3 activity cup joint's activity dull and stereotyped 6, connecting piece 7 has been cup jointed in the bottom activity of activity dull and stereotyped 6, connecting piece 7 includes the casing 71 that cup joints with activity dull and stereotyped 6 activity, mounting groove 72 has been seted up at the middle part of casing 71's bottom, the side fixed mounting of the inner chamber of mounting groove 72 has ring gear 73, connecting piece 7's inside joint has middle part and support frame 4 threaded connection's bolt 8, installation cavity 9 has all been seted up to bolt 8 both sides that are close to connecting piece 7 one end, the inside fixedly connected with supporting spring 10's of installation cavity 9 one end, supporting spring 10's other end fixedly connected with fixture block 11, two sets of fixture block 11 are towards the equal fixedly connected with stay rope 12 in the middle part of supporting spring 10 one end, the one end of the other end fixedly connected with main rope 13 of two sets of stay rope 12, the other end through bolt 8 and stretch out from bolt 8 bottom, main rope 13 is from the fixedly connected with pull block 14 that bolt 8 bottom stretches out. A through hole 15 penetrating through the piston body 1 is formed in the middle of the upper end of the groove 3, a supporting rod 16 extending out of the through hole 15 is fixedly connected to the other end of the middle of the upper end of the connecting piece 7, a pressure releasing block 17 is fixedly connected to the upper end of the supporting rod 16, a sealing groove 18 formed in the upper portion of the piston body 1 is formed in the upper end of the through hole 15, and an annular sealing piece 19 is movably sleeved inside the sealing groove 18.
As shown in fig. 3 and 5, an annular movable cavity 20 disposed inside the piston body 1 is disposed below the sealing groove 18, a plurality of sets of connecting springs 21 are fixedly connected to the upper end of the annular movable cavity 20, an annular movable plate 22 movably sleeved with the annular movable cavity 20 is fixedly connected to the bottom end of the connecting springs 21, four sets of connecting rods 23 having the other ends fixedly connected to the annular sealing member 19 are fixedly connected to the upper end of the annular movable plate 22, an annular rubber tube 24 having the other end fixedly connected to the bottom of the annular movable cavity 20 is fixedly connected to the bottom end of the annular movable plate 22, an annular air bag 25 fixedly connected to the piston body 1 is disposed below the first sealing ring 2, a second sealing ring 26 is fixedly connected to the outer side of the annular air bag 25, and a connecting pipe 27 having the other end communicated with the inside of the annular rubber tube 24 is fixedly connected to the inner side of the annular air bag 25.
The sealing groove 18 is stepped, and the bottom of the pressure relief block 17 is provided with a stepped protrusion matched with the sealing groove 18, so that the difficulty of leakage of high-pressure air between the pressure relief block 17 and the sealing groove 18 can be increased, and the sealing performance between the pressure relief block 17 and the sealing groove 18 is improved.
Wherein, the activity of activity flat board 6 cup joints inside recess 3, but activity flat board 6 and recess 3 inner wall are direct not sealed, and branch rope 12 and total rope 13 are the inelastic rope, avoid branch rope 12 and total rope 13 to take place elastic deformation, lead to branch rope 12 and total rope 13 when the pulling, and both sides fixture block 11 can't retract completely to the installation cavity 9, cause the bolt 8 can't break away from in the mounting groove 72.
Wherein, annular rubber tube 24 is that the outward appearance is cyclic annularly, and inside hollow annular pipeline, and is made by having elastic high tenacity rubber materials for annular rubber tube 24 can take place vertical compression under the effect of pushing down of annular fly leaf 22, thereby smooth get into annular gasbag 25 inside with the inside air extrusion of annular rubber tube 24, realize on the sealed basis of first sealing washer 2, further guarantee the sealed effect between piston body 1 and the cylinder body.
The working principle and the using process are as follows:
firstly, after the piston is installed, the movable flat plate 6, the support rod 16 and the pressure relief block 17 are driven to move towards the sealing groove 18 by reversing the bolt 8 and overcoming the elasticity of the return spring 5 until the pressure relief block 17 is completely attached to the sealing groove 18, the bolt 8 stops rotating, the annular sealing element 19 is extruded and the connecting rod 23 fixedly connected with the bottom of the annular sealing element 19 is pushed in the process that the pressure relief block 17 moves towards the sealing groove 18, when the pressure relief block 17 is completely attached to the sealing groove 18, the connecting rod 23 pushes the annular movable plate 22 downwards to move to the maximum position, the annular rubber tube 24 can be compressed, air extruding the inside of the annular rubber tube 24 enters the annular air bag 25 through the connecting pipeline 27, the annular air bag 25 expands to enable the second sealing ring 26 to be in close contact with the inner wall of the piston cylinder body, and the sealing effect between the piston body 1 and the cylinder body is further ensured on the basis of the first sealing ring 2;
secondly, when air compressor breaks down etc. and needs to release pressure fast to the cylinder body inner wall or pull down the piston fast from the cylinder body inner wall, both can pass through corotation bolt 8, promote gradually and release pressure block 17 and break away from seal groove 18, accomplish the pressure release, and can pull piece 14 through the pulling, make both sides fixture block 11 overcome supporting spring 10's elasticity and break away from card ring gear 73, and retract back to the installation cavity 9, thereby make bolt 8 break away from mounting groove 72 is inside, pressure release block 17 at this moment will break away from with seal groove 18 fast under reset spring 5's rebound effect, can accomplish quick pressure release, annular rubber tube 24 can stretch under connecting spring 21's rebound effect simultaneously, thereby take out the inside air of annular gasbag 25, be convenient for taking out of piston body 1.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a cold air compressor of permanent magnetism frequency conversion oil, includes piston body (1), and the upper portion of piston body (1) side is provided with two sets of first sealing washer (2), its characterized in that: recess (3) have been seted up to one side at the middle part of piston body (1), bottom fixedly connected with support frame (4) of recess (3), the one end of the upper end fixedly connected with reset spring (5) of recess (3), activity flat board (6) that the other end fixedly connected with and recess (3) activity of reset spring (5) cup jointed, connecting piece (7) have been cup jointed in the bottom activity of activity flat board (6), the inside joint of connecting piece (7) has middle part and support frame (4) threaded connection's bolt (8), installation cavity (9) have all been seted up to both sides that bolt (8) are close to connecting piece (7) one end, the one end of the inside fixedly connected with supporting spring (10) of installation cavity (9), the other end fixedly connected with fixture block (11) of supporting spring (10), two sets of fixture block (11) are towards the equal fixedly connected with stay rope (12) in middle part of supporting spring (10) one end, and two sets of the one end of the other end fixedly connected with main rope (13) of stay rope (12), the other end through bolt (8) and follow bolt (8) bottom and stretch out the stay rope (14) of bolt (8). Through-hole (15) that runs through piston body (1) are seted up to the middle part of recess (3) upper end, bracing piece (16) that the middle part fixed connection other end of connecting piece (7) upper end stretches out from through-hole (15), the upper end fixedly connected with pressure release piece (17) of bracing piece (16), the upper end of through-hole (15) is provided with seal groove (18) of seting up on piston body (1) upper portion, annular seal spare (19) have been cup jointed in seal groove (18) inside activity.
2. The permanent magnet variable frequency oil cold air compressor of claim 1, characterized in that: connecting piece (7) include casing (71) that cup joints with activity flat board (6) activity, mounting groove (72) have been seted up at the middle part of the bottom of casing (71), the side fixed mounting of mounting groove (72) inner chamber has card ring gear (73).
3. The permanent magnet variable frequency oil cold air compressor of claim 1, characterized in that: the utility model discloses a piston sealing structure, including seal groove (18), the below of seal groove (18) is provided with sets up annular movable chamber (20) inside piston body (1), a plurality of groups of connecting spring (21) of upper end fixedly connected with in annular movable chamber (20), the bottom fixedly connected with of connecting spring (21) and annular movable chamber (20) activity cup joint annular movable plate (22), the upper end fixedly connected with of annular movable plate (22) four groups of other ends and annular seal spare (19) fixed connection's connecting rod (23), and the bottom fixedly connected with other end of annular movable plate (22) and annular movable chamber (20) bottom fixed connection's annular rubber tube (24), the below of first sealing washer (2) is provided with annular gasbag (25) with piston body (1) fixed connection, the outside fixedly connected with second sealing washer (26) of annular gasbag (25), and the inside connecting tube (27) that are linked together of the inboard fixedly connected with other end of annular gasbag (25) and annular rubber tube (24).
4. The permanent magnet variable frequency oil cold air compressor of claim 1, characterized in that: the sealing groove (18) is in a step shape, and a step-shaped bulge matched with the sealing groove (18) is arranged at the bottom of the pressure relief block (17).
5. The permanent magnet variable frequency oil cold air compressor of claim 1, characterized in that: the movable flat plate (6) is movably sleeved inside the groove (3), but the inner walls of the movable flat plate (6) and the groove (3) are not directly closed, and the branch ropes (12) and the main rope (13) are all inelastic ropes.
6. The permanent magnet variable frequency oil cold air compressor of claim 3, characterized in that: the annular rubber tube (24) is an annular pipeline which is annular in appearance and hollow inside and is made of elastic high-toughness rubber material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211220526.1A CN115585120A (en) | 2022-10-08 | 2022-10-08 | Permanent magnet frequency conversion oil cooling air compressor |
| PCT/CN2023/100588 WO2024074051A1 (en) | 2022-10-08 | 2023-06-16 | Permanent magnet variable-frequency oil-cooled air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211220526.1A CN115585120A (en) | 2022-10-08 | 2022-10-08 | Permanent magnet frequency conversion oil cooling air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115585120A true CN115585120A (en) | 2023-01-10 |
Family
ID=84778495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211220526.1A Withdrawn CN115585120A (en) | 2022-10-08 | 2022-10-08 | Permanent magnet frequency conversion oil cooling air compressor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115585120A (en) |
| WO (1) | WO2024074051A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024074051A1 (en) * | 2022-10-08 | 2024-04-11 | 萨震压缩机（上海）有限公司 | Permanent magnet variable-frequency oil-cooled air compressor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3213325C2 (en) * | 1982-04-07 | 1986-10-02 | Willy Vogel AG, 1000 Berlin | Pump, especially lubricant pump |
| JP3121989U (en) * | 2006-03-14 | 2006-06-01 | 陳 啓明 | Air supply piston structure for removing cylinder pressure |
| CN107905980B (en) * | 2017-11-14 | 2019-12-13 | 江西风石压缩机有限公司 | Air compressor piston |
| CN209100218U (en) * | 2018-11-23 | 2019-07-12 | 青岛宝瑞汽车配套有限公司 | A kind of piston structure of air compressor |
| CN115585120A (en) * | 2022-10-08 | 2023-01-10 | 萨震压缩机（上海）有限公司 | Permanent magnet frequency conversion oil cooling air compressor |
-
2022
- 2022-10-08 CN CN202211220526.1A patent/CN115585120A/en not_active Withdrawn
-
2023
- 2023-06-16 WO PCT/CN2023/100588 patent/WO2024074051A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024074051A1 (en) * | 2022-10-08 | 2024-04-11 | 萨震压缩机（上海）有限公司 | Permanent magnet variable-frequency oil-cooled air compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024074051A1 (en) | 2024-04-11 |
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Application publication date: 20230110 |
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