CN107035903A - Exhaust pressure relief device - Google Patents
Exhaust pressure relief device Download PDFInfo
- Publication number
- CN107035903A CN107035903A CN201610078641.8A CN201610078641A CN107035903A CN 107035903 A CN107035903 A CN 107035903A CN 201610078641 A CN201610078641 A CN 201610078641A CN 107035903 A CN107035903 A CN 107035903A
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure relief
- exhaust pressure
- relief device
- mentioned
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 230000003534 oscillatory effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
Abstract
A kind of exhaust pressure relief device, including a carrier and an actuator in the start space with start space；Wherein, a valve nozzle being connected with start space is additionally provided with carrier, and actuator then swings and controlled the valve plug of the spacing between valve nozzle with respect to axle center comprising an axle center and one.By valve plug in an oscillatory manner, make to reduce capacity further away from can first provide trickle spacing at shaft core position between valve plug and valve nozzle, so as to reach exhaust fine setting and the at a slow speed purpose of exhaust.
Description
Technical field
The present invention relates to a kind of barostat, espespecially a kind of exhaust pressure relief device.
Background technology
In the past as being used for the exhaust pressure relief device in sphygmomanometer, a mobilizable valve member is mainly used to be resisted against inside one
It is equipped with the container of gas, i.e. the pressure relief vent of the container；By the spacing size of valve member and pressure relief vent, to control to be intended to
The capacity of exhaust, and then the gas pressure in the container is can adjust, using measurement as such as blood pressure etc..
And traditional exhaust pressure relief device, its valve member is when being separated or contacting with above-mentioned pressure relief vent, the start of valve member
Mode is to adopt straight line traveling.Imply that between valve member and outlet in the spacing at each position, keep equidistant relation；Namely when valve member is de-
From pressure relief vent critical point when, the spacing formed is i.e. around between pressure relief vent periphery and valve member, therefore between being formed
It is relatively also larger away from scope also gas flow that is larger, can discharging, therefore the trickleer exhaust trimming movement of more difficult control, so that
Can not further it be broken through in the fine setting performance of exhaust.
The content of the invention
The main purpose of the present invention is offer exhaust pressure relief device a kind of reasonable in design and being effectively improved drawbacks described above,
It is to control start relation between above-mentioned valve member and pressure relief vent through the mode swung, so as to reach exhaust fine setting and at a slow speed
The purpose of exhaust.
In order to reach above-mentioned purpose, the present invention provides a kind of exhaust pressure relief device, including a load with start space
Body and an actuator in start space；Wherein, a valve nozzle being connected with start space is additionally provided with carrier, and
Actuator then swings and controlled the valve plug of the spacing between valve nozzle with respect to axle center comprising an axle center and one.By valve plug with
The mode of swing and when producing spacing between valve nozzle, the spacing can change because of the relative distance in valve plug and axle center, with
Position using the spacing further away from axle center can first provide micro exhaust, to reach above-mentioned purpose.
Preferably, above-mentioned carrier is provided with a combined hole, and the valve nozzle is then mounted on the combined hole.
Preferably, above-mentioned valve nozzle has a valve port for extending to the start space.
Preferably, the center in the axle center of above-mentioned actuator is biased into the valve nozzle one relative to the end face of the valve port
Side.
Preferably, an off normal amount is formed between the center in above-mentioned axle center and the end face of the valve port, and the off normal amount
Scope is within 0.5mm.
Preferably, the scope of above-mentioned off normal amount is within 0.1 ~ 0.2mm.
Preferably, above-mentioned actuator controls the valve plug with the axle with more a base portion being mutually pivoted with the axle center and one
The heart is swung and adjusts the drive division of the spacing between the valve plug and the valve nozzle, and the drive division is connected with the base portion.
Preferably, above-mentioned drive division is a magnet assembly, and makees electromagnetic induction through a voltage device.
Preferably, above-mentioned drive division has one first magnetic pole and one second magnetic pole, and the voltage device is then a coil.
Preferably, above-mentioned valve plug has a valve arm extended by the drive division and a valve pocket in the valve arm.
Preferably, above-mentioned valve arm is relative to being to be arranged with a gap between the valve pocket, and the gap is corresponding with the valve nozzle.
Brief description of the drawings
Fig. 1 is internal structure schematic diagram when first embodiment of the invention is in closed.
Fig. 2 is the internal structure schematic diagram that first embodiment of the invention provides exhaust at a slow speed.
Fig. 3 is Fig. 2 part A enlarged detail.
Fig. 4 is the internal structure schematic diagram that first embodiment of the invention provides Quick air-discharge.
Fig. 5 is internal structure schematic diagram when second embodiment of the invention is in closed.
Fig. 6 is the internal structure schematic diagram that second embodiment of the invention provides exhaust at a slow speed.
Fig. 7 is Fig. 6 part A enlarged detail.
Fig. 8 is the internal structure schematic diagram that second embodiment of the invention provides Quick air-discharge.
【Critical piece symbol description】
Carrier 1
The combined hole 100 of start space 10
The valve port 110 of valve nozzle 11
Actuator 2
The base portion 200 of axle center 20
The valve arm 210 of valve plug 21
The gap 212 of valve pocket 211
The magnetic pole 220 of drive division 22 first
Second magnetic pole 221
Voltage device 3
Embodiment
In order to be able to further disclose the feature and technology contents of the present invention, refer to below in connection with the present invention detailed description with
Accompanying drawing, but institute's accompanying drawings are only provided and used with reference to explanation, not for the present invention person of being any limitation as.
Referring to Fig. 1, be for the present invention in it is closed when internal structure schematic diagram.The present invention is to provide a kind of exhaust pressure relief
Device, has the container of gas to connect an accommodated inside（Figure is omited）, and by controlling whether the unlatching of valve port adjusts the appearance
Gas pressure in device.The exhaust pressure relief device is to include a carrier 1 and one be located at the actuator 2 of the carrier 1；Wherein：
The carrier 1 mainly has a start space 10, and the start space 10 is arranged on for above-mentioned actuator 2, with
Above-mentioned actuator 2 can be carried for the carrier 1 and is made for moving part 2 in the default activity of progress in the start space 10.In addition, the load
A valve nozzle 11 being connected with the start space 10 is additionally provided with body 1, is to set on the carrier 1 in illustrated embodiment of the present invention
There is a combined hole 100, so that the valve nozzle 11 is mounted on the combined hole 100.And the valve nozzle 11 is i.e. to be communicated to above-mentioned inside
The container of gas is equipped with, and with a valve port 110 for extending to start space 10；When the gas pressure for being intended to reduce in the container
During power, the gas in the container can be exhausted by the valve nozzle 11 and by its valve port 110, in order to pressure release.
The actuator 2 is provided in the start space 10 of above-mentioned carrier 1, with the default work of progress in the start space 10
It is dynamic；So-called default activity, refers to by outside control（Figure is omited）, the actuator 2 is controlled the valve port 110 of valve nozzle 11
Whether open, to adjust the gas pressure in the container.The actuator 2 is comprising an axle center 20 and the relative axle center 20
Make the valve plug 21 swung；In more detail, the actuator 2 can also have base portion 200, the Yi Jiyi being mutually pivoted with the axle center 20
The drive division 22 being connected with the base portion 200, the drive division 22 passes through outside control, you can through the direction such as displacement and displacement
The modes such as amount, carry out control valve plug 21 and make to swing simultaneously with axle center 20 and then adjust the spacing between valve plug 21 and valve nozzle 11, use transmission
The size of the spacing controls capacity.
Hold, the present invention for embodiment in, the forward and reverse voltage of the permeable voltage device 3 of the drive division 22
And make the beat displacement in left and right direction, and the drive division 22 can have one first magnetic pole 220 and one second for a magnet assembly
Magnetic pole 221, and the voltage device 3 then can make electromagnetic induction for a coil with the drive division 22.When the voltage device 3 is passed to just
During to voltage, because the magnetic pole that coil is produced can make the drive division between magnet assembly using the principle that there is a natural attraction between the sexes, identical charges repel each other
22 courts offset to one side, and make the skew of the drive division 22 also can be relative to axle center 20 because drive division 22 is connected with base portion 200
Make beat, and drive valve plug 21 of taking advantage of a situation carries out foregoing default activity；Conversely, when the voltage device 3 passes to backward voltage, because
Coil, which produces another magnetic pole, can be such that the drive division 22 is offset towards opposite side.
In addition, the valve plug 21 can also have a valve arm 210 and one extended by the drive division 22 to be located at the valve arm 210
On valve pocket 211, the valve pocket 211 can be made up of materials such as such as rubber, and be resisted against to relative on the valve port 110 of valve nozzle 11,
To form air-tight state through rubber contact with valve port 110, i.e., as shown in Figure 1.Further, the valve arm 210 is relative
It is to be arranged with a gap 212 between valve pocket 211, and the gap 212 is corresponding with the valve port 110 of valve nozzle 11；Therefore when the valve pocket
211 when being resisted against on valve port 110, and the valve pocket 211 can be provided because of the deflection produced by the extruding by valve port 110 by gap 212
Corresponding deformation space, it is to avoid valve pocket 211 can concentrate on valve port 110 because of the deformation position produced by the extruding by valve port 110
The capacity and its exhausted range of controllable adjustable are influenceed at surrounding.
Therefore passing through above-mentioned contexture, you can obtain exhaust pressure relief device of the present invention.
Accordingly, as shown in Figures 2 and 3, when desire control valve plug 21 is changed to exhaust condition by Fig. 1 air-tight state, the work
Moving part 2 come the swaying direction of control valve plug 21 can depart from the contact between the valve port 110 of valve nozzle 11, simultaneously by drive division 22
Interval S slightly is produced between the valve port 110, so that the gas in the container can be exhausted by the spacing.Wherein, due to
The valve plug 21 of the actuator 2 is that, so that axle center 20 is swung and produces the interval S, therefore valve plug 21 with valve port 110 when departing from, should
Side between valve port 110 and valve plug 21 further away from axle center 20 can be initially formed the interval S, be also the maximum of the interval S；And
Relatively adjacent to the side in axle center 20 between the valve port 110 and valve plug 21, then it valve plug 21 is remained a certain degree of with valve port 110 and connect
The relation of touching, that is, the minimum value of the interval S.In other words, in the state of signified exhaust at a slow speed of the invention, the interval S is simultaneously
Non- is in equidistant relation, is understood because valve plug 21 be so that axle center 20 is swung and is changed depending on the relative distance with axle center 20, i.e. valve port
It is bigger further away from the interval S formed between the position in axle center 20, with valve plug 21 on 110；Otherwise it is smaller.By above-mentioned characteristic, it can enter
One step finely tunes the interval S between valve port 110 and valve plug 21 so that the interval S can be the state that tiltedly open by valve plug 21, and then allows institute
State the gas in container to be only exhausted by the larger side of interval S, so can further reduce capacity, reach fine setting with
And the purpose of exhaust at a slow speed.
Furthermore, as shown in figure 4, when being intended to Quick air-discharge, it is only necessary to persistently provide valve plug 21 away from valve port 110, you can make institute
Interval S increasing is stated, and then increases capacity and reaches the purpose of Quick air-discharge.
It is worth mentioning that：As shown in figure 3, in order that valve plug 21 can be contacted more closely with valve port 110, the actuator 2
Axle center 20 center O by the valve port 110 end face divide a horizontal level after, be relatively to be partial to the side of valve nozzle 11.I.e.
The center O in axle center 20 and the end face of valve port 110 are above aforementioned levels position and meeting not on same level position
An angle theta is formed with the more neighbouring side of valve port 110, and the angle theta can be used as control of the interval S when the low speed air escape, angle theta
Set bigger, interval S is also bigger；Wherein, preferably embodiment is the center O for axle center 20 and valve port 110 end face
Between form an off normal amount, and the scope of the off normal amount is about within 0.5mm, and is preferable using 0.1 ~ 0.2mm, but not as
Limit.
Furthermore, it is the second embodiment for the present invention as shown in Fig. 5 to Fig. 8.Wherein, the valve plug 21 is in a plates
Fixed with side in valve arm 210, and relative opposite side is to should valve port 110 and gap 212；In this way, also can reach as described above
It is so-called further to finely tune the interval S between valve port 110 and valve plug 21（It is i.e. as shown in Figure 7）So that valve plug 21 can be by the interval S
For the state tiltedly opened, and then the gas allowed in the container is only exhausted by the larger side of interval S and further reduces row
Tolerance, to reach identical fine setting and the at a slow speed purpose of exhaust.
It only the foregoing is only the preferable possible embodiments of the present invention, the scope of the claims that is non-therefore limiting to the present invention, therefore
Equivalence techniques, means etc. change for it for all utilization description of the invention and accompanying drawing content institutes, are similarly all contained in the present invention
In the range of, Chen Ming is given in conjunction.
Claims (11)
1. a kind of exhaust pressure relief device, it is characterised in that including：
One carrier, with a start space, and the carrier is provided with a valve nozzle being connected with the start space；And
One actuator, in the start space, and swings with respect to the axle center comprising an axle center and one and controls and the valve
The valve plug of spacing between mouth.
2. exhaust pressure relief device as claimed in claim 1, it is characterised in that above-mentioned carrier is provided with a combined hole, and the valve nozzle is then
It is mounted on the combined hole.
3. exhaust pressure relief device as claimed in claim 1, it is characterised in that above-mentioned valve nozzle has one to extend to the start space
Valve port.
4. exhaust pressure relief device as claimed in claim 3, it is characterised in that the center in the axle center of above-mentioned actuator is relative
It is biased into the end face of the valve port in the valve nozzle side.
5. exhaust pressure relief device as claimed in claim 4, it is characterised in that the center in above-mentioned axle center and the end of the valve port
Form an off normal amount between face, and the off normal amount scope within 0.5mm.
6. exhaust pressure relief device as claimed in claim 5, it is characterised in that the scope of above-mentioned off normal amount 0.1 ~ 0.2mm with
It is interior.
7. the exhaust pressure relief device as described in claim 1 to 6 is any, it is characterised in that above-mentioned actuator is with more one with being somebody's turn to do
The base portion and one that axle center is mutually pivoted control the valve plug to be swung with the axle center and adjust the spacing between the valve plug and the valve nozzle
Drive division, and the drive division is connected with the base portion.
8. exhaust pressure relief device as claimed in claim 7, it is characterised in that above-mentioned drive division is a magnet assembly, and passes through one
Voltage device makees electromagnetic induction.
9. exhaust pressure relief device as claimed in claim 8, it is characterised in that above-mentioned drive division has one first magnetic pole and one the
Two magnetic poles, and the voltage device is then a coil.
10. exhaust pressure relief device as claimed in claim 7, it is characterised in that what above-mentioned valve plug was extended with one by the drive division
Valve arm and a valve pocket in the valve arm.
11. exhaust pressure relief device as claimed in claim 10, it is characterised in that above-mentioned valve arm is relative to being recessed between the valve pocket
Provided with a gap, and the gap is corresponding with the valve nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078641.8A CN107035903B (en) | 2016-02-04 | 2016-02-04 | Exhaust pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078641.8A CN107035903B (en) | 2016-02-04 | 2016-02-04 | Exhaust pressure relief device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107035903A true CN107035903A (en) | 2017-08-11 |
| CN107035903B CN107035903B (en) | 2020-05-19 |
Family
ID=59532094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610078641.8A Active CN107035903B (en) | 2016-02-04 | 2016-02-04 | Exhaust pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107035903B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368013A (en) * | 1992-10-19 | 1994-11-29 | Herweyer; Elliot E. | Parallel piped fluid heaters with staged flow controlled by magnetic priority valves |
| CN2502637Y (en) * | 2001-10-25 | 2002-07-31 | 胡俊华 | Exhaust decompression structure of sphygmomanometer |
| CN101493157A (en) * | 2009-02-26 | 2009-07-29 | 潘兆铿 | Vertical rotor type gas electromagnetic valve |
| CN101970920A (en) * | 2007-12-28 | 2011-02-09 | 星电株式会社 | Solenoid valve |
| CN104912670A (en) * | 2014-03-10 | 2015-09-16 | 上海奥众汽车部件制造有限公司 | Throttling valve and idle speed control device of engine |
-
2016
- 2016-02-04 CN CN201610078641.8A patent/CN107035903B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368013A (en) * | 1992-10-19 | 1994-11-29 | Herweyer; Elliot E. | Parallel piped fluid heaters with staged flow controlled by magnetic priority valves |
| CN2502637Y (en) * | 2001-10-25 | 2002-07-31 | 胡俊华 | Exhaust decompression structure of sphygmomanometer |
| CN101970920A (en) * | 2007-12-28 | 2011-02-09 | 星电株式会社 | Solenoid valve |
| CN101493157A (en) * | 2009-02-26 | 2009-07-29 | 潘兆铿 | Vertical rotor type gas electromagnetic valve |
| CN104912670A (en) * | 2014-03-10 | 2015-09-16 | 上海奥众汽车部件制造有限公司 | Throttling valve and idle speed control device of engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107035903B (en) | 2020-05-19 |
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