CN204941955U - A kind of screw air compressor air-path control system - Google Patents
A kind of screw air compressor air-path control system Download PDFInfo
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- CN204941955U CN204941955U CN201520711759.0U CN201520711759U CN204941955U CN 204941955 U CN204941955 U CN 204941955U CN 201520711759 U CN201520711759 U CN 201520711759U CN 204941955 U CN204941955 U CN 204941955U
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- suction valve
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Abstract
The utility model discloses a kind of screw air compressor air-path control system, comprise motor, motor is connected with screw rod head, the relief opening of screw rod head is connected with oil and water seperator, be provided with oil content core in oil and water seperator, screw rod head is provided with suction valve, and the cavity of resorption of suction valve is communicated with the suction port of screw rod head, the epicoele of suction valve is provided with air filter, and between described oil and water seperator and suction valve, parallel connection is provided with two groups of gas circuits; First group of gas circuit comprises solenoid valve, and solenoid valve is connected between oil content core and suction valve; Second group of gas circuit comprises direct proportaion valve and atmospheric valve, oil content core is communicated with the suction port of atmospheric valve with the suction port of direct proportaion valve, the air outlet of direct proportaion valve is communicated with the pressure sensitive mouth of atmospheric valve with the cavity of resorption of suction valve respectively, and the air outlet of atmospheric valve is communicated with the epicoele of suction valve.Air-path control system of the present utility model can play the effect of steady pressure, makes suction valve add off-load synchronous with the release of pressure, improves the working life of pneumatic element.
Description
Technical field
The utility model relates to Compressor Technology field, is specifically related to a kind of screw air compressor air-path control system.
Background technique
Air compressor is the device mechanical energy of prime mover (normally motor) being converted to gas pressure energy, is compressed-air actuated pressure generator.Existing screw air compressor uses open type suction valve, and during energising, solenoid valve obtains electric cut out, and INO loads; During power-off, solenoid valve dead electricity is opened, and suction valve cuts out off-load.The general inconvenience of the screw air compressor used in the working environment of often conversion is equipped with gas holder, gas bag is not had to cushion gas consumption, make user that the pressure of moment can be caused to leap high when closing screw air compressor, air pressure generally rises 0.2 ~ 0.3MPa, very big to the destructiveness of oil content core and oil filter; The instability of gas consumption makes the frequent folding of suction valve, and the air pressure of impact is very big to pneumatic hydraulic element collapsing force; Meanwhile, because do not have tolerance to cushion, suction valve adds off-load continually, shortens the working life of the pneumatic elements such as suction valve.
Model utility content
The purpose of this utility model is to overcome the above-mentioned shortcoming existed in prior art, a kind of screw air compressor air-path control system is provided, this air-path control system can play the effect of steady pressure, makes suction valve add off-load synchronous with the release of pressure, improves the working life of pneumatic element.
To achieve these goals, the technical solution adopted in the utility model is as follows: a kind of screw air compressor air-path control system, comprise motor, screw rod head and oil and water seperator, screw rod head is connected on motor, the relief opening of screw rod head is connected with oil and water seperator by outlet pipe, oil content core is provided with in oil and water seperator, the suction port of screw rod head is also provided with suction valve, wherein the piston cavity of resorption of suction valve is connected with the suction port of screw rod head, the piston upper chamber of suction valve is provided with air filter, first group of gas circuit and second group of gas circuit is parallel with between oil content core and suction valve, first group of gas circuit comprises solenoid valve, pipeline is connected from oil content core pass-out with the inlet end of solenoid valve, picked out by the outlet side of solenoid valve, then be connected on the valve block of suction valve by four-way interface, the piston cavity of resorption of pipeline and the suction valve picked out by solenoid valve is connected, second group of gas circuit comprises direct proportaion valve and atmospheric valve, pipeline is also connected with the suction port of direct proportaion valve and the suction port of atmospheric valve respectively from oil content core pass-out, the air outlet of direct proportaion valve is divided into two pipelines, article one, pipeline is connected on the valve block of suction valve by four-way interface, and the piston cavity of resorption of pipeline and the suction valve picked out by direct proportaion valve is connected, another pipeline is received on the pressure sensitive mouth that is positioned on atmospheric valve, and the air outlet of atmospheric valve is directly installed on suction valve, and the air outlet of atmospheric valve is connected with the piston upper chamber of suction valve.
In screw air compressor air-path control system described in the utility model, further, oil content core is also connected with minimum pressure valve, and minimum pressure valve is provided with steam outlet pipe.
In screw air compressor air-path control system described in the utility model, further, suction valve is for often to drive air valve into.
The beneficial effects of the utility model are: screw air compressor adopts two groups of gas circuits in parallel to control the opening and closing of suction valve, makes suction valve add off-load synchronous with the release of pressure; User can according to the size of gas consumption; the opening and closing of automatic adjustment suction valve, plays the effect of steady pressure to screw air compressor, solve the temporal pressure caused because of Temporarily Closed blowing mouth and leap high; protect oil content core and oil filter, improve the working life of hydraulic element.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model, the accompanying drawing used in describing embodiment below and reference character do simple introduction.
Fig. 1 is the structural representation of the utility model embodiment.
Description of reference numerals: 1-motor, 2-screw rod head, 3-oil and water seperator, 4-outlet pipe, 5-suction valve, 6-air filter, 7-solenoid valve, 8-direct proportaion valve, 9-atmospheric valve, 10-minimum pressure valve, 11-steam outlet pipe, 12-oil content core.
Embodiment
In order to understand the utility model further, below in conjunction with the accompanying drawing in the utility model embodiment, the scheme in the utility model embodiment is clearly and completely described.
See Fig. 1, the screw air compressor air-path control system of the utility model embodiment, comprise motor 1, motor 1 is connected with screw rod head 2, the relief opening of screw rod head 2 connects oil and water seperator 3 by outlet pipe 4, oil content core 12 is provided with in oil and water seperator 3, the suction port of screw rod head 2 is also provided with suction valve 5, wherein the piston cavity of resorption of suction valve 5 is connected with the suction port of screw rod head 2, the piston upper chamber of suction valve 5 is connected with air filter 6, between oil content core 12 and suction valve 5, is provided with two groups of gas circuits; First group of gas circuit comprises solenoid valve 7, pipeline is connected from oil content core 12 pass-out with the inlet end of solenoid valve 7, picked out by the outlet side of solenoid valve 7 again, then be connected on the valve block of suction valve 5 by four-way interface, the piston cavity of resorption of pipeline and the suction valve 5 picked out by solenoid valve 7 is connected; Direct proportaion valve 8 and atmospheric valve 9 is provided with in second group of gas circuit, pipeline is also connected with the suction port of direct proportaion valve 8 and the suction port of atmospheric valve 9 respectively from oil content core 12 pass-out, the air outlet of direct proportaion valve 8 is divided into two pipelines, article one, pipeline is connected on the valve block of suction valve 5 by four-way interface, the piston cavity of resorption of pipeline and the suction valve 5 picked out by direct proportaion valve 8 is connected, another pipeline is received on the pressure sensitive mouth that is positioned on atmospheric valve 9, the air outlet of atmospheric valve 9 is directly installed on suction valve 5, and the air outlet of atmospheric valve 9 is connected with the piston upper chamber of suction valve 5.
In the utility model embodiment, oil content core 12 is also connected with minimum pressure valve 10, minimum pressure valve 10 is provided with steam outlet pipe 11, and suction valve 5 is for often to drive air valve into.
In the utility model embodiment, screw air compressor uses and often drives air valve and normally open solenoid valve into, when being energized, solenoid valve 7 obtains electric cut out, suction valve 5 cavity of resorption decompression, the piston in suction valve 5 is past under atmospheric pressure effect to be moved down, the valve open of suction valve 5, screw machine head 2 air inlet, screw air compressor load operating; When power-off, solenoid valve 7 dead electricity is opened, the piston cavity of resorption air inlet of suction valve 5, and the piston of gas push suction valve 5 moves, and suction valve 5 cuts out, and screw air compressor off-load runs.When the air pressure in oil content core 12 is close to setting pressure, direct proportaion valve 8 is slowly opened, and the gas in oil content core 12 is discharged gradually by suction valve 5, the curved decline of the pressure in oil content core 12, and the piston in suction valve 5 reduces frequent motion; When Temporarily Closed gas equipment, pressure in oil content core 12 rises sharply, direct proportaion valve 8 is opened, the air inlet of suction valve 5 piston cavity of resorption closes suction valve gradually, the required air pressure of pressure sensitive mouthfeel on atmospheric valve 9, the air outlet of atmospheric valve 9 is opened, and gas is discharged to fast in the air filter 6 on suction valve 5 and emits from oil content core 12, gas pressure in oil content core 12 is stabilized within the scope of setting, avoids because instantaneous pressure changes the impact caused gas-pressure component.
It should be pointed out that and be described above embodiment of the present utility model.But; the technician of art technology should be appreciated that; the utility model is not restricted to the described embodiments; what describe in above-described embodiment just illustrates principle of the present utility model; under the prerequisite not departing from the utility model scope, the utility model also has multiple changes and improvements, and these changes and improvements all fall within the scope of claimed the utility model.
Claims (3)
1. a screw air compressor air-path control system, comprise motor, screw rod head and oil and water seperator, motor is connected with screw rod head, the relief opening of screw rod head connects oil and water seperator by outlet pipe, oil content core is provided with in oil and water seperator, the suction port of screw rod head is also connected with suction valve, wherein the piston cavity of resorption of suction valve is connected with the suction port of screw rod head, the piston upper chamber of suction valve is provided with air filter, it is characterized in that: between described oil content core and suction valve, parallel connection is provided with first group of gas circuit and second group of gas circuit; Described first group of gas circuit comprises solenoid valve, pipeline is connected from oil content core pass-out with the inlet end of solenoid valve, picked out by the outlet side of solenoid valve, then be connected on the valve block of suction valve by four-way interface, the piston cavity of resorption of pipeline and the suction valve picked out by solenoid valve is connected; Described second group of gas circuit comprises direct proportaion valve and atmospheric valve, pipeline is also connected with the suction port of direct proportaion valve and the suction port of atmospheric valve respectively from oil content core pass-out, the air outlet of direct proportaion valve is divided into two pipelines, article one, pipeline is connected on the valve block of suction valve by four-way interface, and the piston cavity of resorption of pipeline and the suction valve picked out by direct proportaion valve is connected; Another pipeline is received on the pressure sensitive mouth that is positioned on atmospheric valve, and the air outlet of atmospheric valve is directly installed on suction valve, and the air outlet of atmospheric valve is connected with the piston upper chamber of suction valve.
2. a kind of screw air compressor air-path control system according to claim 1, is characterized in that: described oil content core is also connected with minimum pressure valve, and minimum pressure valve is provided with steam outlet pipe.
3. a kind of screw air compressor air-path control system according to claim 1 and 2, is characterized in that: described suction valve is for often to drive air valve into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520711759.0U CN204941955U (en) | 2015-09-15 | 2015-09-15 | A kind of screw air compressor air-path control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520711759.0U CN204941955U (en) | 2015-09-15 | 2015-09-15 | A kind of screw air compressor air-path control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204941955U true CN204941955U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520711759.0U Expired - Fee Related CN204941955U (en) | 2015-09-15 | 2015-09-15 | A kind of screw air compressor air-path control system |
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| Country | Link |
|---|---|
| CN (1) | CN204941955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620709A (en) * | 2017-07-28 | 2018-01-23 | 无锡锡压压缩机有限公司 | A kind of fuel injection helical lobe compressor adds uninstalling system |
-
2015
- 2015-09-15 CN CN201520711759.0U patent/CN204941955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620709A (en) * | 2017-07-28 | 2018-01-23 | 无锡锡压压缩机有限公司 | A kind of fuel injection helical lobe compressor adds uninstalling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20180915 |