CN106870773B - Valve gear and Physical Property Analysis equipment - Google Patents
Valve gear and Physical Property Analysis equipment Download PDFInfo
- Publication number
- CN106870773B CN106870773B CN201510918368.0A CN201510918368A CN106870773B CN 106870773 B CN106870773 B CN 106870773B CN 201510918368 A CN201510918368 A CN 201510918368A CN 106870773 B CN106870773 B CN 106870773B
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- Prior art keywords
- valve chamber
- valve
- main
- auxiliary
- fit portion
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Classifications
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- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating members
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0263—Construction of housing; Use of materials therefor of lift valves multiple way valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The present invention provides a kind of valve gears and Physical Property Analysis equipment, valve gear includes: valve body, main valve chamber and one or more open channels are offered on valve body, open channel is connected to main valve chamber, and the opening that main valve chamber is connected to the bottom of valve body has the first sealing fit portion；Main Needle shaft, it is plugged in main valve chamber, one end of main Needle shaft has the second sealing fit portion, and main Needle shaft, which has, seals the first sealing fit portion and the second sealing fit portion to close the first position of opening and open the first sealing fit portion and the second sealing fit portion to open the second position of opening.It applies the technical scheme of the present invention, because being located at the bottom of valve body by the position of sealed opening, i.e. valve body be installed in equipment after towards one end of cavity, therefore material will not enter in the valve chamber of valve body, it avoids, there are dead volume, being avoided in valve chamber since dead volume is excessive and the accuracy of destructive test result.
Description
Technical field
The present invention relates to machinery equipment field, in particular to a kind of valve gear and Physical Property Analysis equipment.
Background technique
Physical Property Analysis is a kind of common detection and analysis means, can treat detectable substance using Physical Property Analysis equipment and carry out entirely
The Physical Property Analysis in face.In oil reservoir development field, sample analytical tests are carried out to oil reservoir using Physical Property Analysis equipment, in sampling process
In, the sampling control valve of Physical Property Analysis equipment enters analytical equipment as main control valve to control object to be detected.
But there is dead volume part or dead volume part in the sampling control valve of existing Physical Property Analysis equipment, such as
The part of valve port, wherein the dead volume that can not be stirred is referred to as without appearance of being ready to give one's life for a cause.Since the object to be detected without appearance of being ready to give one's life for a cause can not fill
Divide stirring, but can still be collected in Physical Property Analysis equipment and participate in analyzing, therefore will have a direct impact on physical property point without appearance of being ready to give one's life for a cause
Analysis as a result, if valve body is existing without the Rong Yue great that is ready to give one's life for a cause, precision of analysis is influenced bigger.
Summary of the invention
The main purpose of the present invention is to provide a kind of valve gears and Physical Property Analysis equipment, to solve valve in the prior art
There is the biggish dead result for holding to influence sampling analysis in device.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of valve gear, comprising: valve body, valve body
On offer main valve chamber and one or more open channels, open channel is connected to main valve chamber, the bottom company of main valve chamber and valve body
Logical opening has the first sealing fit portion；Main Needle shaft, is plugged in main valve chamber, and one end of main Needle shaft is close with second
Auxiliary section is sealed, main Needle shaft, which has, seals the first sealing fit portion and the second sealing fit portion to close the first position of opening
With open the first sealing fit portion and the second sealing fit portion to open the second position of opening.
Further, the opening that main valve chamber is connected to the bottom of valve body has the first sealing cooperation in necking down structure
Portion；One end of main Needle shaft has the second sealing fit portion of tapered structure.
Further, main valve chamber is through to the bottom of valve body at the top of valve body, and a part of main Needle shaft protrudes from valve
The top of body.
Further, open channel is connected to the middle section of main valve chamber.
Further, one or more auxiliary valve chambers are also provided on valve body, auxiliary valve chamber is connected to main valve chamber, and open channel is logical
It crosses auxiliary valve chamber to be connected to main valve chamber, be connected to at least one opening channel on each auxiliary valve chamber；Valve gear further include one or
Multiple auxiliary Needle shafts, auxiliary Needle shaft are arranged in correspondingly in auxiliary valve chamber, and auxiliary Needle shaft, which has, blocks main valve chamber and opening logical
The first position in road and the second position for being connected to main valve chamber and open channel.
Further, the opening that auxiliary valve chamber is connected to main valve chamber has the third sealing fit portion in necking down structure；Auxiliary needle
One end of valve rod has the 4th sealing fit portion of tapered structure, and third sealing fit portion and the 4th sealing fit portion cooperate shape
At sealing structure.
Further, auxiliary valve chamber is through to the outer surface of valve body, and a part of auxiliary Needle shaft protrudes from valve body.
Further, open channel is connected to the middle section of auxiliary valve chamber.
Further, for main valve chamber perpendicular to open channel, auxiliary valve chamber favours main valve chamber setting.
According to another aspect of the present invention, a kind of Physical Property Analysis equipment, including sampling control valve, sampling control are additionally provided
Valve processed includes above-mentioned valve gear.
It applies the technical scheme of the present invention, because being located at the bottom of valve body by the position of sealed opening, i.e. valve body is installed to
Towards one end of cavity after in equipment, therefore material will not enter in the valve chamber of valve body, that is, avoid in valve chamber that there are dead volumes, again
Because of the sealing fit structure cooperated using valve rod and valve chamber, valve rod can occupy a part of valve chamber, therefore further avoid
There are dead volume in valve chamber, avoid since dead volume is excessive and the accuracy of destructive test result.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic diagram that the main Needle shaft of the embodiment of valve gear according to the present invention is in close state；
Fig. 2 shows the main Needle shaft of the embodiment of valve gear according to the present invention schematic diagrames in the open state；
Fig. 3 shows the section view of the valve body of valve gear according to the present invention；And
Fig. 4 shows the vertical view of the valve body of valve gear according to the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
According to an aspect of the invention, there is provided a kind of valve gear, as shown in Figures 1 to 4, valve gear include: valve body 10,
Main valve chamber 101 and one or more open channels 102 are offered on valve body 10, open channel 102 is connected to main valve chamber 101, main
The opening that valve chamber 101 is connected to the bottom of valve body 10 has the first sealing fit portion；Main Needle shaft 20, is plugged in main valve chamber
In 101, one end of main Needle shaft 20 has the second sealing fit portion, and main Needle shaft 20 has and makes the first sealing fit portion and second
Sealing fit portion sealing is to close the first position of opening and open the first sealing fit portion and the second sealing fit portion to beat
The second position of opening.
The open channel 102 of valve gear of the invention is connected to main valve chamber 101, i.e. the on-off of main valve chamber 101, which controls, to be opened
The on-off in mouth channel 102, and the on-off of main valve chamber 101 is controlled by main Needle shaft 20, when main Needle shaft 20 is in first position
When, opening is closed in the first sealing and the cooperation of the second sealing, and because the position of opening is located at the bottom of valve body 10, i.e. valve body
10 be installed in equipment after towards one end of cavity, therefore material will not enter in the valve chamber of valve body 10, that is, avoid valve chamber memory
In dead volume, and because of the sealing fit structure cooperated using valve rod and valve chamber, valve rod can occupy a part of valve chamber, therefore into
One step, which avoids, there are dead volume, to be avoided in valve chamber since dead volume is excessive and the accuracy of destructive test result.
Preferably, the opening that main valve chamber 101 is connected to the bottom of valve body 10 has matches in the first sealing of necking down structure
Conjunction portion；One end of main Needle shaft 20 has the second sealing fit portion of tapered structure.
The gradient in the section of the necking segment of main valve chamber 101 and the gradient in the section of the conical section of main Needle shaft 20 can phases
Deng, can also be unequal, such as main Needle shaft 20 conical section ratio of slope main valve chamber 101 necking segment the gradient it is bigger, this
Sample can be more convenient realization cooperation.
A kind of embodiment of the first sealing fit portion and the second sealing fit portion, i.e. conical section are illustrated only in Fig. 1 and Fig. 2
Miner diameter end with necking segment is towards the bottom of valve body 10, in another embodiment, conical section and necking segment it is big through holding direction
The bottom of valve body 10, i.e., it is opposite with Fig. 1 and embodiment shown in Figure 2.
Preferably, as illustrated in fig. 1 and 2, main valve chamber 101 is through to the bottom of valve body 10, main needle-valve from the top of valve body 10
A part of bar 20 protrudes from the top of valve body 10.Operator can directly operate a part of main needle-valve for protruding from valve body 10
Bar 20 is to operate the opening and closing of main valve chamber 101.In addition, a part that main Needle shaft 20 protrudes from valve body 10 is provided with operating handle.
Preferably, open channel 102 is connected to the middle section of main valve chamber 101.
In a kind of embodiment not shown in the figure, valve gear is not provided with auxiliary valve chamber 103, and open channel 102 is directly connected to
On main valve chamber 101.
And in the embodiment shown in Fig. 1 to 4, one or more auxiliary valve chambers 103, auxiliary valve chamber are also provided on valve body 10
103 are connected to main valve chamber 101, and open channel 102 is connected to by auxiliary valve chamber 103 with main valve chamber 101, on each auxiliary valve chamber 103
It is connected to at least one opening channel 102；Valve gear further includes one or more auxiliary Needle shafts 30, and auxiliary Needle shaft 30 corresponds
Ground is arranged in auxiliary valve chamber 103, and auxiliary Needle shaft 30, which has, to be blocked main valve chamber 103 and the first position of open channel 102 and be connected to
The second position of main valve chamber 103 and open channel 102.
In order to realize better seal performance and other function, the valve gear of the present embodiment is additionally provided with auxiliary valve chamber 103, auxiliary
Valve chamber is also mating to be provided with the auxiliary Needle shaft 30 for controlling opening and closing, and auxiliary valve chamber 103 is connect with main valve chamber 101, and open channel 102 is then
It is connected on auxiliary valve chamber 103, allows for having between the outlet of open channel 102 and the opening of the bottom of main valve chamber 101 in this way
Double sealing structure.In addition, auxiliary valve chamber 103, which is arranged, can also control the opening and closing of single open channel 102, such as shown in Fig. 2
, auxiliary valve chamber 103 and open channel 102 closure in left side, and the auxiliary valve chamber 103 on right side and open channel 102 are opened.
Preferably, the opening that auxiliary valve chamber 103 is connected to main valve chamber 101 has the third sealing fit portion in necking down structure；
One end of auxiliary Needle shaft 30 has the 4th sealing fit portion of tapered structure, third sealing fit portion and the 4th sealing fit portion
Cooperatively form sealing structure.
The sealing fit structure of auxiliary Needle shaft 30 and auxiliary valve chamber 103 is close with above-mentioned main Needle shaft 20 and main valve chamber 101
It is similar to seal fit structure.And the miner diameter end of conical section and necking segment is illustrated only in Fig. 1 and Fig. 2 towards one kind of main valve chamber 101
Embodiment, and in another embodiment, the big bottom through holding towards valve body 10 of conical section and necking segment, i.e., with Fig. 1 and Fig. 2
Shown in embodiment it is opposite.
Preferably, auxiliary valve chamber 103 is through to the outer surface of valve body 10, and a part of auxiliary Needle shaft 30 protrudes from valve body 10.
The set-up mode of auxiliary Needle shaft 30 is similar with the set-up mode of main Needle shaft 20, equally enables to operator from valve body 10
Opening and closing between the auxiliary valve chamber 103 of manipulation outside and main valve chamber 101.In addition, the end that auxiliary Needle shaft 30 protrudes from valve body 10 is also set
It is equipped with handle.
Preferably, open channel 102 is connected to the middle section of auxiliary valve chamber 103.
Preferably, in the embodiment shown in Fig. 1 to 4, main valve chamber 101 inclines perpendicular to open channel 102, auxiliary valve chamber 103
Tiltedly it is arranged in main valve chamber 101.Specifically, main valve chamber 101 is vertically arranged, and exit passageway 102 is horizontally disposed, and auxiliary valve chamber 103 is in
45 degree of overturning angle settings.
According to another aspect of the present invention, a kind of Physical Property Analysis equipment, including sampling control valve are additionally provided, it is described to take
Sample control valve includes above-mentioned valve gear.
Utilize valve gear of the invention, it is possible to reduce the dead volume for sampling control valve avoids having neither part nor lot in dead volume from stirring
The material mixed, which is mixed into object to be detected, participates in Physical Property Analysis, and then improves the precision of analysis of Physical Property Analysis equipment.
During the sampling analysis of a routine, the top of sample cavity is arranged in sampling control valve, and wherein sample cavity can
To have the function of to be stirred, it is first turned on main Needle shaft 20 and auxiliary Needle shaft 30, so that open channel 102 and sample cavity connect
It is logical, vacuum pumping is carried out to sample cavity by open channel 102；After the vacuum degree in sample cavity meets condition, master is closed
Needle shaft 20 and auxiliary Needle shaft 30, the valve between sample cavity and sample of material, such as the valve between sample cavity and flowline, material sample
This enters sample cavity under the effect of the pressure；The valve between sample cavity and sample of material is closed, if being provided with mixing part in sample cavity
Part is then sufficiently stirred sample of material；Main Needle shaft 20 and auxiliary Needle shaft 30 are opened, so that sample of material is logical via opening
Road 102 enters Physical Property Analysis equipment, is analyzed and is detected.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of valve gear characterized by comprising
Valve body (10) offers main valve chamber (101) and one or more open channels (102) on the valve body (10), described to open
Mouth channel (102) is connected to the main valve chamber (101), and the main valve chamber (101) is opened with what the bottom of the valve body (10) was connected to
There is the first sealing fit portion at mouthful；
Main Needle shaft (20) is plugged in the main valve chamber (101), and there is the second sealing to match for one end of the main Needle shaft (20)
Conjunction portion, the main Needle shaft (20), which has, seals the first sealing fit portion and the second sealing fit portion to close the opening
First position and open the first sealing fit portion and the second sealing fit portion to open the second position of the opening；
One or more auxiliary valve chambers (103), the auxiliary valve chamber (103) and the main valve chamber are also provided on the valve body (10)
(101) it is connected to, the open channel (102) is connected to by the auxiliary valve chamber (103) with the main valve chamber (101), each described
It is connected to open channel described at least one (102) on auxiliary valve chamber (103)；
Wherein, the auxiliary valve chamber (103) connect with the main valve chamber (101), and the open channel (102) is connected to the auxiliary valve
On chamber (103)；
The valve gear further includes one or more auxiliary Needle shafts (30), and institute is arranged in the auxiliary Needle shaft (30) correspondingly
It states in auxiliary valve chamber (103), the auxiliary Needle shaft (30), which has, blocks the main valve chamber (101) and the open channel (102)
The second position of first position and the connection main valve chamber (101) and the open channel (102)；
The opening that the auxiliary valve chamber (103) is connected to the main valve chamber (101) has the third sealing fit portion in necking down structure；
One end of the auxiliary Needle shaft (30) have tapered structure the 4th sealing fit portion, the third sealing fit portion with
4th sealing fit portion cooperatively forms sealing structure；
The auxiliary valve chamber (103) is through to the outer surface of the valve body (10), and a part of the auxiliary Needle shaft (30) protrudes from
The valve body (10).
2. valve gear according to claim 1, which is characterized in that
The opening of the main valve chamber (101) has first sealing fit portion in necking down structure；
One end of the main Needle shaft (20) has second sealing fit portion of tapered structure.
3. valve gear according to claim 1, which is characterized in that top of the main valve chamber (101) from the valve body (10)
Portion is through to the bottom of the valve body (10), and a part of the main Needle shaft (20) protrudes from the top of the valve body (10).
4. valve gear according to claim 1, which is characterized in that the open channel (102) passes through the auxiliary valve chamber
(103) it is connected to the middle section of the main valve chamber (101).
5. valve gear according to claim 1, which is characterized in that the open channel (102) is connected to the auxiliary valve chamber
(103) middle section.
6. valve gear according to claim 1, which is characterized in that the main valve chamber (101) is perpendicular to the open channel
(102), the auxiliary valve chamber (103) favours the main valve chamber (101) setting.
7. a kind of Physical Property Analysis equipment, including sampling control valve, which is characterized in that the sampling control valve includes claim 1
To valve gear described in any one of 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918368.0A CN106870773B (en) | 2015-12-10 | 2015-12-10 | Valve gear and Physical Property Analysis equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918368.0A CN106870773B (en) | 2015-12-10 | 2015-12-10 | Valve gear and Physical Property Analysis equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106870773A CN106870773A (en) | 2017-06-20 |
| CN106870773B true CN106870773B (en) | 2019-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510918368.0A Active CN106870773B (en) | 2015-12-10 | 2015-12-10 | Valve gear and Physical Property Analysis equipment |
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| Country | Link |
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| CN (1) | CN106870773B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1169590B1 (en) * | 1999-03-31 | 2004-06-23 | Ole Ostergaard Holding ApS | Valve and a method of closing a valve |
| CN201636389U (en) * | 2010-04-19 | 2010-11-17 | 大连津利流体设备开发有限公司 | Parallel dual-cutoff multifunctional instrument root valve |
| CN201788101U (en) * | 2010-08-23 | 2011-04-06 | 上海远安流体设备有限公司 | Sampling valve |
| CN202834174U (en) * | 2012-09-14 | 2013-03-27 | 福建沃隆管阀制造有限公司 | Manual sterile sampling valve structure |
| CN205298670U (en) * | 2015-12-10 | 2016-06-08 | 中国石油天然气股份有限公司 | Valve gear and rerum natura analytical equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9568113B2 (en) * | 2010-01-15 | 2017-02-14 | Allpure Technologies, Llc | Fluid transfer device |
-
2015
- 2015-12-10 CN CN201510918368.0A patent/CN106870773B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1169590B1 (en) * | 1999-03-31 | 2004-06-23 | Ole Ostergaard Holding ApS | Valve and a method of closing a valve |
| CN201636389U (en) * | 2010-04-19 | 2010-11-17 | 大连津利流体设备开发有限公司 | Parallel dual-cutoff multifunctional instrument root valve |
| CN201788101U (en) * | 2010-08-23 | 2011-04-06 | 上海远安流体设备有限公司 | Sampling valve |
| CN202834174U (en) * | 2012-09-14 | 2013-03-27 | 福建沃隆管阀制造有限公司 | Manual sterile sampling valve structure |
| CN205298670U (en) * | 2015-12-10 | 2016-06-08 | 中国石油天然气股份有限公司 | Valve gear and rerum natura analytical equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106870773A (en) | 2017-06-20 |
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