CN207527281U - A kind of micro-flow controlling device for air pressure fuel-feed system - Google Patents
A kind of micro-flow controlling device for air pressure fuel-feed system Download PDFInfo
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- CN207527281U CN207527281U CN201721428486.4U CN201721428486U CN207527281U CN 207527281 U CN207527281 U CN 207527281U CN 201721428486 U CN201721428486 U CN 201721428486U CN 207527281 U CN207527281 U CN 207527281U
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- end cover
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- controlling device
- flow controlling
- rotating member
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Abstract
The utility model provides a kind of micro-flow controlling device for air pressure fuel-feed system, the second end cover (7) that the micro-flow controlling device includes first end cover (3), is fixedly connected with the first end cover (3), and between the first end cover (3) and the second end cover (7), the intermediate rotating member (1) of uniform rotation, the first end cover (3) offers oil inlet (A)；The second end cover (7) offers and the oil inlet (A) corresponding oil outlet (B)；The intermediate rotating member (1) offers throttle orifice (11), and the axis of the oil inlet (A) and the axis of the throttle orifice (11) are equal to the distance between the rotation axis of the intermediate rotating member (1).Micro-flow controlling device provided by the utility model can carry out micrometeor control with relatively low cost to air pressure fuel-feed system.
Description
Technical field
The utility model is related to gas-pressurized technical field, more particularly to a kind of micrometeor for air pressure fuel-feed system
Control device.
Background technology
Tiny flow quantity control is a kind of control form that oil mist system is related to, and lubricating oil generally passes through certain pressure
Compressed gas pressurization or pressurizeed by plunger-type reciprocating pump, the control of small flow is realized by throttling set (such as throttle valve)
System.
At present, accurate flow control can be realized using electromagnetic plunger reciprocating pump, but cost is comparatively higher.It is right
In the mode of another gas pressurized fuel feeding, although throttle valve can realize Small Flow Control, the flow of system cannot be into
Row metering, so will appear the problem of flow is difficult to accurately be met needed for system, if adopted in order to solve this problem
It is measured with the flowmeter of degree of precision, then corresponding cost also can be very high.It is insignificant at some but require micrometeor thick
It is obviously less suitable with micro-flowmeter in the system slightly counted, moreover, in order to coordinate micro-flowmeter, in system runner design
It will appear that runner is elongated, the smaller situation of control valve latus rectum, tend to occur to block and be difficult to clear up.
In conclusion how with relatively low cost to air pressure fuel-feed system carry out micrometeor control, become this field
The technical issues of technical staff is urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of micro-flow controlling device for air pressure fuel-feed system, the miniflow
Amount control device can carry out micrometeor control with relatively low cost to air pressure fuel-feed system.
In order to achieve the above object, the utility model provides following technical solution：
A kind of micro-flow controlling device for air pressure fuel-feed system, including：
First end cover, the first end cover offer oil inlet；
The second end cover being fixedly connected with the first end cover, the second end cover offer corresponding with the oil inlet
Oil outlet；
Between the first end cover and the second end cover, the intermediate rotating member of uniform rotation, the intermediate rotation
Rotation member offers throttle orifice, the rotation of the axis of the axis of the oil inlet and the throttle orifice to the intermediate rotating member
The distance between axis is equal.
Preferably, in above-mentioned micro-flow controlling device, the intermediate rotating member have integral structure shaft and
Turntable, the throttle orifice are opened on the turntable, and one end of the shaft is rotatably connected with the first end cover, the other end
It is rotatably connected with the second end cover.
Preferably, in above-mentioned micro-flow controlling device, the shaft is close to described in the stretching of one end of the second end cover
Second end cover, and offer the spline for connecting driving device.
Preferably, in above-mentioned micro-flow controlling device, the first end cover offers drain tap, and the one of the drain tap
End positioned at the first end cover the surface portion contacted with the turntable, and the throttle orifice in moving process without institute
State the end of drain tap.
Preferably, it in above-mentioned micro-flow controlling device, is provided between the first end cover and the second end cover close
Seal, the turntable are located in the sealing ring.
Preferably, in above-mentioned micro-flow controlling device, the sealing ring is O-ring seal.
According to above-mentioned technical proposal it is found that the micro-flow controlling device provided by the utility model for air pressure fuel-feed system
In, the intermediate rotating member of uniform rotation is provided between first end cover and second end cover, first end cover offers oil inlet, and
Two end caps offer with the corresponding oil outlet of oil inlet, and throttle orifice is offered on intermediate rotating member, also, throttle orifice
The axis of axis and oil inlet is equal to the distance between the rotation axis of intermediate rotating member, in use, by oil inlet and going out
Hydraulic fluid port is connected on oil feed line, and with the rotation of intermediate rotating member, throttle orifice passes periodically through oil inlet and oil outlet
Between, it is periodically switched on and off so as to fulfill oil inlet and oil outlet, upon opening, oil feed line is by intermediate rotating member
It blocks.Therefore, during intermediate rotating member uniform rotation, oil feed line is connected each time and just forms one pulse fluid,
It can achieve the purpose that change flow system flow by the quantity (changing pulse frequency) for changing throttle orifice on intermediate rotating member.
Using micro-flow controlling device provided by the utility model, according to the liquid measure and counting-rate meter of per share pulse fluid
The flow of calculation system, it is not necessary to using micro-flowmeter, therefore can micrometeor control be carried out to air pressure fuel-feed system with relatively low cost
System.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of showing for micro-flow controlling device for air pressure fuel-feed system that the utility model embodiment one provides
It is intended to；
Fig. 2 is the schematic diagram of part 1 in Fig. 1；
Fig. 3 is the left view of Fig. 2.
In figure label for：
1st, intermediate rotating member；11st, throttle orifice；12nd, spline；2nd, sliding shaft sleeve；3rd, first end cover；4th, bearing；5th, axis
Envelope；6th, sealing ring；7th, second end cover；A, oil inlet；B, oil outlet；C, drain tap.
Specific embodiment
In order to make it easy to understand, the utility model will be further described below in conjunction with the accompanying drawings.
Embodiment one
Referring to Fig. 1~Fig. 3, Fig. 1 is a kind of miniflow for air pressure fuel-feed system that the utility model embodiment one provides
The schematic diagram of amount control device；Fig. 2 is the schematic diagram of part 1 in Fig. 1；Fig. 3 is the left view of Fig. 2.
The micro-flow controlling device that embodiment one provides includes intermediate rotating member 1, first end cover 3 and second end cover 7,
In, intermediate rotating member 1 is between first end cover 3 and second end cover 7 and uniform rotation, intermediate rotating member 1 have shaft
And turntable, one end and the first end cover 3 of shaft are rotatably connected, the other end is rotatably connected with second end cover 7, is opened up on turntable
There is throttle orifice 11；
First end cover 3 is fixedly connected with second end cover 7, and in the both sides of turntable, first end cover 3 offers oil inlet A, and second
End cap 7 offers and the corresponding oil outlet B of oil inlet A, the axis of oil inlet A and the axis of throttle orifice 11 to intermediate rotating part
The distance between the rotation axis of part 1 is equal.
As seen from Figure 1, when throttle orifice 11 is turned between oil inlet A and oil outlet B, oil inlet A and oil outlet B just lead to
11 mutual conduction of throttle orifice is crossed, with reference to Fig. 3 it is found that after throttle orifice 11 is transferred from the centre of oil inlet A and oil outlet B, turntable
Just blocking fluid flow to oil outlet B from oil inlet A, therefore, whenever have throttle orifice 11 by oil inlet A and oil outlet B centre,
Oil feed line just forms one pulse fluid, by changing the quantity of throttle orifice 11 on turntable, with regard to pulse frequency can be changed, so as to
The flow of change system, flow system flow can be calculated according to the liquid measure and pulse frequency of per share pulse fluid and be obtained.
Referring to Fig. 1 and Fig. 2, in order to connect external motive device, shaft stretches out second end cover close to one end of second end cover 7
7, and offer the spline 12 for connecting driving device.
Sliding shaft sleeve 2 is provided between first end cover 3 and shaft, bearing 4 is provided between second end cover 7 and shaft, and
Axle envelope 5 is provided at bearing 4, fluid leaks at the mating surface of first end cover 3 and second end cover 7 in order to prevent, first
Sealing ring 6 is provided between end cap 3 and second end cover 7, turntable is located in sealing ring 6, and sealing ring 6 can select O-ring seal.
As shown in Figure 1, first end cover 3 offers drain tap C, one end of drain tap C is located at being connect with turntable for first end cover 3
Tactile surface portion, and throttle orifice 11 in moving process without the end of drain tap C.The fluid of disc surfaces is along first
End cap 3 and the mating surface of turntable flow into drain tap C, and the oil film pressure of disc surfaces can be made to be unlikely to excessive in this way.
Embodiment two
Referring to Fig. 1, in embodiment one, the shaft and turntable of intermediate rotating member 1 are an integral structure, embodiment two with it is real
Differing only in for example one is applied, in embodiment two, shaft is detachably connected with turntable.
In micro-flow controlling device provided by the utility model for air pressure fuel-feed system, first end cover 3 and second end
Be provided with the intermediate rotating member 1 of uniform rotation between lid 7, first end cover 3 offers oil inlet A, second end cover 7 offer with
Corresponding oil outlet B of oil inlet A, and throttle orifice 11 is offered on intermediate rotating member 1, also, the axis of throttle orifice 11 and
The axis of oil inlet A is equal to the distance between the rotation axis of intermediate rotating member 1, in use, by oil inlet A and oil outlet
B is connected on oil feed line, and with the rotation of intermediate rotating member 1, throttle orifice 11 passes periodically through oil inlet A and oil outlet
It between B, is periodically switched on and off so as to fulfill oil inlet A and oil outlet B, upon opening, oil feed line is rotated by centre
Component 1 blocks.Therefore, during 1 uniform rotation of intermediate rotating member, oil feed line is connected each time and just forms one pulse
Fluid can reach change system stream by the quantity (changing pulse frequency) for changing throttle orifice 11 on intermediate rotating member 1
The purpose of amount.
Using micro-flow controlling device provided by the utility model, according to the liquid measure and counting-rate meter of per share pulse fluid
The flow of calculation system, it is not necessary to using micro-flowmeter, therefore can micrometeor control be carried out to air pressure fuel-feed system with relatively low cost
System.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications of embodiment will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, originally
Utility model is not intended to be limited to embodiment illustrated herein, and is to fit to and the principles and novel features disclosed herein
Consistent most wide range.
Claims (6)
1. a kind of micro-flow controlling device for air pressure fuel-feed system, which is characterized in that including：
First end cover (3), the first end cover (3) offer oil inlet (A)；
The second end cover (7) being fixedly connected with the first end cover (3), the second end cover (7) offer and the oil inlet
(A) corresponding oil outlet (B)；
Between the first end cover (3) and the second end cover (7), the intermediate rotating member (1) of uniform rotation, in described
Between rotary part (1) offer throttle orifice (11), the axis of the oil inlet (A) and the axis of the throttle orifice (11) to described
The distance between the rotation axis of intermediate rotating member (1) is equal.
2. micro-flow controlling device according to claim 1, which is characterized in that the intermediate rotating member (1) has one
The shaft and turntable of body formula structure, the throttle orifice (11) are opened on the turntable, one end of the shaft and described first
End cap (3) is rotatably connected, and the other end is rotatably connected with the second end cover (7).
3. micro-flow controlling device according to claim 2, which is characterized in that the shaft is close to the second end cover
(7) second end cover (7) is stretched out in one end, and offers the spline (12) for connecting driving device.
4. micro-flow controlling device according to claim 3, which is characterized in that the first end cover (3) offers draining
Mouth (C), one end of the drain tap (C) is located at the surface portion contacted with the turntable of the first end cover (3), and described
Throttle orifice (11) is in moving process without the end of the drain tap (C).
5. micro-flow controlling device according to claim 4, which is characterized in that the first end cover (3) and described second
Sealing ring (6) is provided between end cap (7), the turntable is located in the sealing ring (6).
6. micro-flow controlling device according to claim 5, which is characterized in that the sealing ring (6) is O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428486.4U CN207527281U (en) | 2017-10-30 | 2017-10-30 | A kind of micro-flow controlling device for air pressure fuel-feed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721428486.4U CN207527281U (en) | 2017-10-30 | 2017-10-30 | A kind of micro-flow controlling device for air pressure fuel-feed system |
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| Publication Number | Publication Date |
|---|---|
| CN207527281U true CN207527281U (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721428486.4U Active CN207527281U (en) | 2017-10-30 | 2017-10-30 | A kind of micro-flow controlling device for air pressure fuel-feed system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676619A (en) * | 2017-10-30 | 2018-02-09 | 湖南五新隧道智能装备股份有限公司 | A kind of micrometeor control method and device for air pressure fuel-feed system |
-
2017
- 2017-10-30 CN CN201721428486.4U patent/CN207527281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676619A (en) * | 2017-10-30 | 2018-02-09 | 湖南五新隧道智能装备股份有限公司 | A kind of micrometeor control method and device for air pressure fuel-feed system |
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