CN205876718U - Control gas circuit of pressing in in time travelling empty and mend - Google Patents
Control gas circuit of pressing in in time travelling empty and mend Download PDFInfo
- Publication number
- CN205876718U CN205876718U CN201620860662.0U CN201620860662U CN205876718U CN 205876718 U CN205876718 U CN 205876718U CN 201620860662 U CN201620860662 U CN 201620860662U CN 205876718 U CN205876718 U CN 205876718U
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- China
- Prior art keywords
- valve
- oil content
- atmospheric
- admission
- screw rod
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- Expired - Fee Related
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- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model discloses a control gas circuit of pressing in in time travelling empty and mend, include: screw rod aircraft nose, admission valve, cylinder, oil content bucket, oil content core, solenoid valve, tee bend, inverse proportion valve, normally open atmospheric valve, induction port, quick normal close atmospheric valve. Its characterized in that: the admission valve is installed on the screw rod aircraft nose, there are three control gas circuits to connect admission valve and oil content bucket: one, through passing through three reduction of fractions to a common denominator two -ways behind the solenoid valve: through inverse proportion valve to admission valve, another sweetgum fruit is crossed and is normally opened atmospheric valve induction port to admission valve all the way, two, through quick normal close atmospheric valve to admission valve, three, through normally opening atmospheric valve to admission valve. The beneficial effects of the utility model are that: the solenoid valve loses the electricity and closes during the uninstallation, and the passageway of quick normal close atmospheric valve is opened, and gas in the oil content bucket passes through the oil content core admission valve cavity of resorption that emptys, flows the inner chamber of screw rod aircraft nose, compensaties and closes the negative pressure that causes because of the admission valve, has reduceed the negative pressure and the noise that arouses.
Description
Technical field
This utility model relates to air compressor field, is specifically related to a kind of can be vented and mend intrinsic pressure control gas in time
Road.
Background technology
For capacity screw air compressor below 16 cubes, we are to use normally opened system intake valve, but often
Open system is less desirable for electromigration screw air compressor, the most former control gas circuit of tracing it to its cause can not with release in time
Put that moment leaps high is intrinsic pressure, and during off-load, screw machine inner chamber occurs that noise occurs in negative pressure.
Utility model content
The purpose of this utility model is to overcome shortcoming present in prior art, it is provided that in one can be vented in time and mend
The control gas circuit of pressure.
To achieve these goals, the technical solution adopted in the utility model is as follows: one can be vented and mend intrinsic pressure in time
Control gas circuit, including: screw rod head, intake valve, cylinder, oil content barrel, oil point core, electromagnetic valve, threeway, inverse proportion valve, normally opened
Atmospheric valve, sensing mouth, quick normally closed atmospheric valve.It is characterized in that: intake valve is arranged on screw rod head；Three are had to control gas circuit
Connect intake valve and oil content barrel: one, by after electromagnetic valve by three reduction of fractions to a common denominator two tunnels: lead up to inverse proportion valve to intake valve, separately
Normally opened atmospheric valve of leading up to sensing mouth is to intake valve；Two, by quick normally closed atmospheric valve to intake valve；Three, put by normally opened
Empty valve is to intake valve.
The beneficial effects of the utility model are: during loading, electromagnetic valve obtains electric opening, and gas passes through three reduction of fractions to a common denominator two tunnels, leads up to
Inverse proportion valve is to intake valve, and air pressure backs down intake valve valve block, and air inspiration screw machine inner chamber is started working；Another road air pressure is usual
Driving atmospheric valve, normally opened atmospheric valve is not vented because there being air pressure, pathway closure.When system pressure is close to when setting pressure, by instead
The tolerance of proportioning valve tapers into, and valve block is slowly closed, and air pressure declines.During unloading, electromagnetic valve dead electricity is closed, and cylinder does not has gas air inlet
Valve cuts out, normally opened atmospheric valve sensing mouth flatus, and passage is opened, and the gas in oil content barrel is vented to intake valve epicoele by oil point core,
Intrinsic pressure release, has air pressure to flow to the sensing mouth of quick normally closed atmospheric valve simultaneously, and the passage of quick normally closed atmospheric valve is opened, oil content barrel
In gas be vented to intake valve cavity of resorption by an oil point core, flow to the inner chamber of screw rod head, make up and cause because intake valve closedown
Negative pressure, reduces negative pressure and the noise that causes.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in this utility model, embodiment will be described below used in attached
Figure does simple introduction, it should be apparent that, drawings discussed below is only an embodiment of the present utility model, for this area
From the point of view of those of ordinary skill, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is this utility model embodiment schematic diagram.
Description of reference numerals:
1-screw rod head, 2-intake valve, 3-cylinder, 4-oil content barrel, 5-oil divide core, 6-electromagnetic valve, 7-threeway, 8-inverse proportion
The normally opened atmospheric valve of valve, 9-, 10-sense mouth, the quick normally closed atmospheric valve of 11-.
Detailed description of the invention
In order to be further appreciated by this utility model, below in conjunction with embodiment, this utility model preferred implementation is retouched
State, but it is to be understood that these descriptions are intended merely to further illustrate feature and advantage of the present utility model rather than to this reality
Restriction by novel claim.
Below in conjunction with the accompanying drawing in this utility model embodiment, the scheme in this utility model embodiment is carried out clear,
It is fully described by.
See Fig. 1, a kind of can be vented and mend intrinsic pressure control gas circuit in time, including: screw rod head 1, intake valve 2, cylinder
3, oil content barrel 4, oil point core 5, electromagnetic valve 6, threeway 7, inverse proportion valve 8, normally opened atmospheric valve 9, sensing mouth 10, quick normally closed atmospheric valve
11.It is characterized in that: intake valve 2 is arranged on screw rod head 1；Have three control gas circuits connect intake valves 2 and oil content barrel 4:,
By after electromagnetic valve 6 by 7 point of two tunnel of threeway: lead up to inverse proportion valve 8 to intake valve 2, separately lead up to normally opened atmospheric valve 9
Sensing mouth 10 to intake valve 2；Two, by quick normally closed atmospheric valve 11 to intake valve 2；Three, by normally opened atmospheric valve 9 to intake valve
2。
The beneficial effects of the utility model are: during loading, electromagnetic valve 6 obtains electric opening, and gas passes through 7 point of two tunnel of threeway, a-road-through
Crossing inverse proportion valve 8 to intake valve 2, air pressure backs down intake valve 2 valve block, and air inspiration screw machine 1 inner chamber is started working；Another road gas
Pressure generally drives atmospheric valve 9, and normally opened atmospheric valve 9 is not vented because there being air pressure, pathway closure.When system pressure is close to setting pressure
Time, being tapered into by the tolerance of inverse proportion valve 8, valve block is slowly closed, and air pressure declines.During unloading, electromagnetic valve 6 dead electricity is closed, gas
Cylinder does not has gas intake valve 2 to close, and normally opened atmospheric valve 9 senses mouth 10 flatus, and passage is opened, and the gas in oil content barrel 4 is put by oil point core 5
Empty to intake valve 2 epicoele, intrinsic pressure release, there is air pressure to flow to the sensing mouth of quick normally closed atmospheric valve 11, quick normally closed emptying simultaneously
The passage of valve 11 is opened, and the gas in oil content barrel 4 is vented to intake valve 2 cavity of resorption by oil point core 5, flows to the inner chamber of screw rod head 1,
Make up the negative pressure caused because intake valve 2 is cut out, reduce negative pressure and the noise that causes.
It should be pointed out that, and be described above embodiment of the present utility model.But, the technical staff of art technology should manage
Solving, this utility model is not restricted to the described embodiments, and described in above-described embodiment, principle of the present utility model is simply described,
On the premise of without departing from this utility model scope, this utility model also has multiple changes and improvements, and these changes and improvements are all
In the range of falling into claimed this utility model.
Claims (1)
1. can be vented and mend an intrinsic pressure control gas circuit in time, including: screw rod head, intake valve, cylinder, oil content barrel, oil point
Core, electromagnetic valve, threeway, inverse proportion valve, normally opened atmospheric valve, sensing mouth, quick normally closed atmospheric valve；It is characterized in that: described air inlet
Valve is arranged on screw rod head；There are three to control gas circuit and connect intake valve and oil content barrel: one, by passing through three reduction of fractions to a common denominators after electromagnetic valve
Two tunnels: lead up to inverse proportion valve to intake valve, normally opened atmospheric valve of separately leading up to sensing mouth is to intake valve；Two, by quickly
Normally closed atmospheric valve is to intake valve；Three, by normally opened atmospheric valve to intake valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860662.0U CN205876718U (en) | 2016-08-10 | 2016-08-10 | Control gas circuit of pressing in in time travelling empty and mend |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860662.0U CN205876718U (en) | 2016-08-10 | 2016-08-10 | Control gas circuit of pressing in in time travelling empty and mend |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876718U true CN205876718U (en) | 2017-01-11 |
Family
ID=57703348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620860662.0U Expired - Fee Related CN205876718U (en) | 2016-08-10 | 2016-08-10 | Control gas circuit of pressing in in time travelling empty and mend |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205876718U (en) |
-
2016
- 2016-08-10 CN CN201620860662.0U patent/CN205876718U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20200810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |