CN110671331A - Integrated actuator air inlet valve for oil injection screw air compressor - Google Patents
Integrated actuator air inlet valve for oil injection screw air compressor Download PDFInfo
- Publication number
- CN110671331A CN110671331A CN201911082465.5A CN201911082465A CN110671331A CN 110671331 A CN110671331 A CN 110671331A CN 201911082465 A CN201911082465 A CN 201911082465A CN 110671331 A CN110671331 A CN 110671331A
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- valve
- air inlet
- air
- inlet valve
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- 238000002347 injection Methods 0.000 title abstract description 7
- 239000007924 injection Substances 0.000 title abstract description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention relates to an integrated actuator air inlet valve for an oil injection screw air compressor, which comprises an air inlet valve body and an air cylinder body, wherein the air cylinder body is transversely arranged on the air inlet valve body; the cylinder body is provided with a cylinder control port and a cylinder exhaust port, the lower part of the air inlet valve body is connected with a check valve plate through a valve plate mandrel, the right end of the cylinder body is provided with a cylinder cover, the left end of the cylinder body is provided with a relief valve inlet, a return spring, a piston and a piston rod are sequentially arranged in the cylinder body from right to left, and teeth are processed on the piston rod and are meshed with a gear. The invention has the advantages of compact structure, firm performance, small volume, convenient installation, installation space saving, oil leakage point reduction, piston rod sharing of the relief valve and the control cylinder, and manufacturing cost reduction.
Description
Technical Field
The invention relates to a combination valve, in particular to an integrated actuator air inlet valve for an oil injection screw air compressor.
Background
The existing oil injection screw machine air inlet valve has the advantages that the air cylinder and the relief valve are independent parts and are arranged on the air inlet valve body, the air cylinder and the relief valve are communicated with each other by using a hose, a connector and the like, the overall dimension is large, the requirement on installation space is large, the assembly and test steps are multiple, and the number of leakage points is large.
Disclosure of Invention
The invention aims to overcome the defects and provide the combination valve for the oil injection screw machine, which has the advantages of compact structure, small volume, low cost, less oil leakage points and installation space saving.
The invention aims to realize an integrated actuator air inlet valve for an oil injection screw air compressor by the following technical scheme, which comprises an air inlet valve body and an air cylinder body, wherein the air cylinder body is transversely arranged on the air inlet valve body; the cylinder body is provided with a cylinder control port and a cylinder exhaust port, the lower part of the valve body of the air inlet valve is connected with a check valve plate through a valve plate mandrel, the right end of the cylinder body is provided with a cylinder cover, the left end of the cylinder body is provided with a relief valve inlet, a reset spring, a piston and a piston rod are sequentially installed in the cylinder body from right to left, and teeth meshed with gears are processed on the piston rod.
The invention is further improved in that: the valve plate mandrel is connected with the air inlet valve body through the supporting valve cover.
The invention is further improved in that: the cylinder cover is connected with the cylinder body through an adjusting bolt, a locking nut and a sealing gasket.
The invention is further improved in that: and a support ring is arranged between the piston and the air inlet valve body.
Compared with the prior art, the invention has the advantages that:
compact structure, the performance is firm, and is small, simple to operate has saved installation space, has also reduced the oil leak point simultaneously, and the cost of manufacture has been reduced to bleeder valve and control cylinder sharing piston rod.
Description of the drawings:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a front cross-sectional view of the present invention;
FIG. 4 is a sectional view taken along line B of FIG. 3;
reference numbers in the figures: 1-air inlet valve body, 2-cylinder body, 3-valve rod, 4-valve plate, 5-gear, 6-discharge outlet, 7-support ring, 1-1-valve plate mandrel, 1-2-check valve plate, 2-1-cylinder control port, 2-2-cylinder exhaust port, 2-3-cylinder cover, 2-4-reset spring, 2-5-piston, 2-6-piston rod, 2-7-discharge valve inlet, 2-8-adjusting bolt, 2-9-locking nut and 2-10-sealing gasket.
The specific implementation mode is as follows:
for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Fig. 1 to 4 show an embodiment of an integrated actuator intake valve for an oil-injected screw air compressor according to the present invention: the air inlet valve comprises an air inlet valve body 1 and an air cylinder body 2, wherein the air cylinder body 2 is transversely arranged on the air inlet valve body 1, the air inlet valve body 1 is communicated with the inside of the air cylinder body 2, a valve rod 3 is arranged in the air inlet valve body 1, a valve plate 4 is arranged on the valve rod 3, a gear 5 is arranged at one end of the valve rod 3, and a discharge outlet 6 is arranged on the air inlet valve body 1 below the valve rod 3; the cylinder body 2 is provided with a cylinder control port 2-1 and a cylinder exhaust port 2-2, the lower part of the valve body 1 of the air inlet valve is connected with a check valve plate 1-2 through a valve plate mandrel 1-1, the right end of the cylinder body 2 is provided with a cylinder cover 2-3, the left end of the cylinder body 2 is provided with a relief valve inlet 2-7, a reset spring 2-4, a piston 2-5 and a piston rod 2-6 are sequentially arranged in the cylinder body 2 from right to left, and teeth are processed on the piston rod 2-6 to be meshed with a gear 5; the valve plate mandrel 1-1 is connected with the air inlet valve body 1 through a support valve cover 1-3; the cylinder cover 2-3 is connected with the cylinder body 2 through an adjusting bolt 2-8, a locking nut 2-9 and a sealing gasket 2-10; a support ring 7 is arranged between the piston 2-5 and the intake valve body 1.
The relief valve and the control cylinder share a piston rod, a valve rod and a valve plate are arranged in the air inlet valve, one end of the valve rod is sleeved with a gear, and the gear is meshed with a gear section of the piston shaft. When pressure is input into the control cylinder, the air pressure pushes the piston, the piston shaft drives the gear to open the air inlet valve and simultaneously pushes the valve core of the relief valve to act, and the relief valve is closed; when the control cylinder cuts off the input pressure, the reset spring pushes the cylinder piston to reset, the piston shaft retracts to drive the gear to close the air inlet valve, and meanwhile, the release valve core is pulled to act to open the release valve.
The invention cancels an external servo cylinder and a relief valve and changes the external servo cylinder and the relief valve into an internal integrated form; the relief valve core and the cylinder piston share a piston shaft; 3, the opening and closing actions of the relief valve are realized by controlling the action of the cylinder piston; 4, the piston shaft of the cylinder and the valve rod are in transmission through a gear to replace the original joint bearing; the internal integration of action structure avoids external damage, and the appearance is compact, and is small, compact structure, the performance is firm, and simple to operate has saved installation space, has also reduced the oil leak point simultaneously, has reduced the cost of manufacture.
The applicant further states that the present invention is described in the above embodiments to explain the implementation method and device structure of the present invention, but the present invention is not limited to the above embodiments, i.e. it is not meant to imply that the present invention must rely on the above methods and structures to implement the present invention. It should be understood by those skilled in the art that any modifications to the present invention, the implementation of alternative equivalent substitutions and additions of steps, the selection of specific modes, etc., are within the scope and disclosure of the present invention.
The present invention is not limited to the above embodiments, and all the ways of achieving the objects of the present invention by using the structure and the method similar to the present invention are within the protection scope of the present invention.
Claims (4)
1. The utility model provides an integrated executor admission valve for oil spout screw air compressor which characterized in that: the air inlet valve comprises an air inlet valve body (1) and an air cylinder body (2), wherein the air cylinder body (2) is transversely arranged on the air inlet valve body (1), the air inlet valve body (1) is communicated with the inside of the air cylinder body (2), a valve rod (3) is installed in the air inlet valve body (1), a valve plate (4) is arranged on the valve rod (3), a gear (5) is arranged at one end of the valve rod (3), and a discharge outlet (6) is formed in the air inlet valve body (1) below the valve rod (3); the air cylinder is characterized in that an air cylinder control port (2-1) and an air cylinder exhaust port (2-2) are formed in the air cylinder body (2), the lower portion of the air inlet valve body (1) is connected with a check valve plate (1-2) through a valve plate mandrel (1-1), the air cylinder body (2) is provided with an air cylinder cover (2-3) at the right end, the left end is provided with a bleed valve inlet (2-7), a reset spring (2-4), a piston (2-5) and a piston rod (2-6) are sequentially installed in the air cylinder body (2) from the right side to the left side, and teeth are processed on the piston rod (2-6) and meshed with a gear (5).
2. The integrated actuator air intake valve for the oil-injected screw air compressor as claimed in claim 1, wherein: the valve plate mandrel (1-1) is connected with the air inlet valve body (1) through the supporting valve cover (1-3).
3. The combination valve for an oil-injected screw machine of claim 1, characterized in that: the cylinder cover (2-3) is connected with the cylinder body (2) through an adjusting bolt (2-8), a locking nut (2-9) and a sealing gasket (2-10).
4. The integrated actuator air intake valve for the oil-injected screw air compressor as claimed in claim 1, wherein: and a support ring (7) is arranged between the piston (2-5) and the air inlet valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911082465.5A CN110671331A (en) | 2019-11-07 | 2019-11-07 | Integrated actuator air inlet valve for oil injection screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911082465.5A CN110671331A (en) | 2019-11-07 | 2019-11-07 | Integrated actuator air inlet valve for oil injection screw air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110671331A true CN110671331A (en) | 2020-01-10 |
Family
ID=69086394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911082465.5A Withdrawn CN110671331A (en) | 2019-11-07 | 2019-11-07 | Integrated actuator air inlet valve for oil injection screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110671331A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352533A (en) * | 2022-01-24 | 2022-04-15 | 南通市红星空压机配件制造有限公司 | Control method for electric air inlet valve of movable air compressor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06129564A (en) * | 1992-10-20 | 1994-05-10 | Com:Kk | Valve actuator |
| CN109505772A (en) * | 2018-12-24 | 2019-03-22 | 南通市红星空压机配件制造有限公司 | Pneumatic control air inlet valve of dry type oilless screw air compressor |
| CN209130240U (en) * | 2018-11-05 | 2019-07-19 | 南通市红星空压机配件制造有限公司 | Air inlet valve for water lubricating rod machine |
| CN210769328U (en) * | 2019-11-07 | 2020-06-16 | 南通市红星空压机配件制造有限公司 | Integrated actuator air inlet valve for oil injection screw air compressor |
-
2019
- 2019-11-07 CN CN201911082465.5A patent/CN110671331A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06129564A (en) * | 1992-10-20 | 1994-05-10 | Com:Kk | Valve actuator |
| CN209130240U (en) * | 2018-11-05 | 2019-07-19 | 南通市红星空压机配件制造有限公司 | Air inlet valve for water lubricating rod machine |
| CN109505772A (en) * | 2018-12-24 | 2019-03-22 | 南通市红星空压机配件制造有限公司 | Pneumatic control air inlet valve of dry type oilless screw air compressor |
| CN210769328U (en) * | 2019-11-07 | 2020-06-16 | 南通市红星空压机配件制造有限公司 | Integrated actuator air inlet valve for oil injection screw air compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352533A (en) * | 2022-01-24 | 2022-04-15 | 南通市红星空压机配件制造有限公司 | Control method for electric air inlet valve of movable air compressor |
| CN114352533B (en) * | 2022-01-24 | 2023-11-21 | 南通市红星空压机配件制造有限公司 | Control method for electric air inlet valve of mobile air compressor |
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Application publication date: 20200110 |