CN105889557A - Multi-channel gas distribution device with flow regulation function - Google Patents
Multi-channel gas distribution device with flow regulation function Download PDFInfo
- Publication number
- CN105889557A CN105889557A CN201610256315.1A CN201610256315A CN105889557A CN 105889557 A CN105889557 A CN 105889557A CN 201610256315 A CN201610256315 A CN 201610256315A CN 105889557 A CN105889557 A CN 105889557A
- Authority
- CN
- China
- Prior art keywords
- hole
- fixed block
- pressure strip
- screw rod
- distributing device
- 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
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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
- F16K19/00—Arrangements of valves and flow lines specially adapted for mixing fluids
-
- 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
Abstract
The invention discloses a multi-channel gas distribution device with a flow regulation function. The multi-channel gas distribution device comprises a gas distribution board and a fixed block fixedly laminated together with the gas distribution board, wherein a mounting hole is formed in the gas distribution board; a gas supply connector is fixed at the mounting hole; a ring-shaped gas guiding groove is formed in the front side of the gas distribution board and at the circumference of the mounting hole; the rear side of the fixed block is laminated with the front side of the gas distribution board; a plurality of vent holes are formed in the circumference, corresponding to the ring-shaped gas guiding groove, of the fixed block; and a flow control valve is arranged in each vent hole. The multi-channel gas distribution device with the flow regulation function, provided by the invention, is miniaturized and suitable for an integrated using environment, is intensive in structure, small in size and low in manufacturing cost, and can effectively lower the experimental cost.
Description
Technical field
The present invention relates to a kind of multichannel air distributing device with flow regulating function.
Background technology
Laboratory is in using gas process, through being commonly encountered the situation that multichannel gas of the same race uses simultaneously, and needs to control each leading to
Road gas flow rate, although the air distributing device of prior art can realize multichannel gas of the same race and use simultaneously, but due to prior art
Air distributing device structure is complicated, bulky, it is loaded down with trivial details to install, it is higher to manufacture use cost, is not suitable for integrated environment and small-sized
The use of change equipment.Therefore a kind of manifold with flow regulating function that be suitable for integrated use environment, that minimize is designed
Road air distributing device just has a great economic significance.
Summary of the invention
It is an object of the invention to provide and a kind of be suitable for that integrated use environment, miniaturization to have flow regulating function many
Passage air distributing device.
Solving above-mentioned technical problem, the present invention takes techniques below scheme to be achieved:
A kind of multichannel air distributing device with flow regulating function, is characterized in that: include pneumatic panel and patch fixing with pneumatic panel
The fixed block being combined, pneumatic panel has an installing hole, is fixed with air connector at installing hole, is installing on front side of pneumatic panel
Ring-shaped gas-guiding trench is had at the circumference of place, hole；
Being fitted on rear side of fixed block on front side of pneumatic panel, fixed block has several passages on the circumference corresponding with ring-shaped gas-guiding trench,
It is provided with flow control valve in described passage.
As a modification of the present invention, on front side of described fixed block, it is provided with thermal desorption pipe fixing device.
As a kind of embodiment of the present invention, thermal desorption pipe fixing device includes the pressure strip being located on front side of fixed block, pressure strip with
Fixed block can not rotate against, and pressure strip is having venthole with passage correspondence position, and passage is provided with annular in pressure strip side
Groove, annular groove is provided with seal for pipe joints circle, has tapped through hole in the middle part of fixed block, on rear side of pressure strip with tapped through hole pair
Should locate fixed bearing and have a screw rod, screw rod can rotate freely relative to pressure strip but can not move axially, screw rod and tapped through hole spiral shell
Line connection makes pressure strip fit with fixed block, and pneumatic panel is having through hole with tapped through hole corresponding position, and a rotating shaft is fixed on screw rod
Rear side is the most exposed outside through through hole.
As a modification of the present invention, described rotating shaft is provided with the position limiting structure of direction of rotation on naked section.
As a kind of embodiment of the present invention, described position limiting structure is included in pneumatic panel through hole and stretches out a sleeve pipe being enclosed within rotating shaft,
Having a breach at circumferencial direction on set tube wall, rotating shaft is fixed with a radial direction spacer pin matched with breach in indentation, there.
As a modification of the present invention, described rotating shaft is by the slot being fixed on rear side of screw rod and the latch being enclosed in sleeve pipe
Composition.
The embodiment recommended as the present invention, described latch is made up of big footpath section and path section, and its big footpath section is enclosed in set
Pipe is interior, path section matches with slot, and slot is cased with compression spring.
As a modification of the present invention, the through hole on described pneumatic panel is screwed hole, and sleeve pipe is provided with external screw thread and is threaded in
In through hole, outside sleeve pipe, it is cased with an Anti-slip nut.
As a kind of embodiment of invention, described screw rod can rotate freely relative to pressure strip but the concrete structure that can not move axially
For: pressure strip is having dead eye with screw rod correspondence position, is provided with a flange bearing, is provided with screwed hole on front side of screw rod in dead eye,
One bolt passes from front to back and is bearing on flange bearing, and bolt rear end is connected with screw threaded aperture.
As a kind of embodiment of invention, the concrete structure that described pressure strip and fixed block can not rotate against is: pressure strip is solid
The outer end circumference determining block side is provided with several alignment pins, and fixed block is having hole, location, alignment pin plug-in mounting with alignment pin corresponding position
So that pressure strip can not rotate against with fixed block in hole, location.
As a kind of embodiment of invention, the concrete structure of described flow control valve is: the valve body of flow control valve is passage,
Passage is circular shape hole, and the big end of shoulder hole is positioned at pressure strip side and is provided with internal thread, and the needle of flow control valve is and ladder
The cylindrical multidiameter matched in hole, the big end of multidiameter is provided with external screw thread and is provided with axial flow-guiding channel at periphery, and water conservancy diversion leads to
Road is the axial section on multidiameter big end cylindrical, and remaining end segment of multidiameter is truncated cone.
As a modification of the present invention, pneumatic panel has sealed groove in the inner side and outer side of ring-shaped gas-guiding trench, seals recessed
Sealing ring it is provided with in groove.
Compared with prior art, the present invention has a following beneficial effect:
The invention provides a kind of flow regulating function multichannel distribution that has that be suitable for integrated use environment, that minimize to fill
Putting, its structure is intensive, volume is little, low cost of manufacture, can effectively reduce experimental cost.
Accompanying drawing explanation
Fig. 1 is the explosive view of the present invention；
Fig. 2 is the schematic perspective view of pneumatic panel of the present invention；
Fig. 3 is the schematic perspective view of fixed block of the present invention；
Fig. 4 is the sectional view of Fig. 3；
Fig. 5 is the schematic perspective view of needle of the present invention；
Fig. 6 is the schematic perspective view of rotating shaft of the present invention.
In figure: 1-pneumatic panel, 11-installing hole, 12-air slot, 13-through hole, 14-sealed groove, 2-fixed block, 21-leads to
Pore, the big end of 211-shoulder hole, 22-axis hole, 23-tapped through hole, 24-positions hole, 25-multidiameter, the big end of 251-multidiameter,
The axial section of 252-, 253-truncated cone, 3-pressure strip, 31-venthole, 32-dead eye, 33-alignment pin, 4-pipeline is close
Seal, 5-screw rod, 51-screwed hole, 6-rotating shaft, 61-spacer pin, 62-slot, 63-latch, 64-handle, 7-sleeve pipe, 71-
Breach, 8-compression spring, 9-Anti-slip nut, 10-air connector, 20-flange bearing, 30-bolt.
Detailed description of the invention
By embodiment, the invention will be further described below in conjunction with the accompanying drawings.
The multichannel air distributing device with flow regulating function as shown in Figures 1 to 6 is embodiments of the invention, and it includes distribution
Plate 1 and the fixed block 2 that fit together fixing with pneumatic panel 1, pneumatic panel 1 has an installing hole 11, at installing hole 11
It is fixed with air connector 10, on front side of pneumatic panel, at the circumference of installing hole 11 place, has ring-shaped gas-guiding trench 12；Paste on rear side of fixed block
Being combined on front side of pneumatic panel, fixed block 2 has several passages 21 on the circumference corresponding with ring-shaped gas-guiding trench 12, described logical
It is provided with flow control valve in pore 21.Flow is shunted by the present invention by the passage on fixed block, and in utilizing passage
Flow control valve carry out flow-control, thus reach the multichannel distribution effect of regulating flow quantity.
On the basis of the above, the present embodiment makees following improvement, is provided with thermal desorption pipe fixing device, thermal desorption Guan Gu on front side of fixed block
Determining the pressure strip 3 that device includes being located on front side of fixed block, pressure strip 3 can not rotate against with fixed block 2, pressure strip 3 with
Passage 21 correspondence position has venthole 31, and passage 21 is provided with annular groove 22 in pressure strip side, on annular groove 22
It is provided with seal for pipe joints circle 4, in the middle part of fixed block, has tapped through hole 23, at fixing with tapped through hole 23 corresponding position on rear side of pressure strip
Having held a screw rod 5, screw rod 5 can rotate freely relative to pressure strip but can not move axially, screw rod 5 and tapped through hole 23 screw thread
Connecting makes pressure strip 3 fit with fixed block 2, and pneumatic panel 1 is having through hole 13, a rotating shaft 6 with tapped through hole 23 corresponding position
Being fixed on rear side of screw rod and exposed outside through through hole 13, rotating shaft rear end is provided with handle 64, facilitates rotating shaft；Wherein screw rod 5
The concrete structure that can rotate freely relative to pressure strip but can not move axially is: pressure strip 3 is having with screw rod 5 correspondence position
Dead eye 32, is provided with a flange bearing 20 in dead eye 32, be provided with screwed hole 51 on front side of screw rod, and a bolt 30 is from front to back
Passing and be bearing on flange bearing 20, bolt rear end is connected with screw threaded aperture 51；Pressure strip 3 can not phase with fixed block 2
To the concrete structure rotated it is: pressure strip 3 is provided with several alignment pins 33 on the outer end circumference of fixed block side, and fixed block 2 exists
Hole 24, location is had, so that pressure strip and fixed block in alignment pin 33 is inserted into hole 24, location with alignment pin 33 corresponding position
Can not rotate against.The laminating of pressure strip and fixed block can be realized by rotary screw and separate, and air distributing device makes actual
Used time, thermal desorption pipe is inserted at venthole, and before plug-in mounting thermal desorption pipe, rotary screw makes pressure strip and fixed block have necessarily
Gap, thermal desorption pipe be inserted in venthole and be pressed on seal for pipe joints circle, then contra rotating screw make pressure strip with
Fixed block fits tightly, thus completes thermal desorption pipe and fix.
On the basis of the above, in this enforcement, in order to limit the anglec of rotation of screw rod, rotating shaft 6 is provided with direction of rotation on naked section
Position limiting structure.Wherein position limiting structure is included at pneumatic panel through hole 13 and stretches out a sleeve pipe 7 being enclosed within rotating shaft 6, and sleeve pipe 7 is managed
Having a breach 71 at circumferencial direction on wall, rotating shaft 6 is fixed with a radial direction spacer pin matched with breach 71 at breach 71
61.The size of the rotating shaft anglec of rotation depends on the size of breach radian, thus limits the anglec of rotation of screw rod, it is to avoid excessively rotate.
For easy accessibility, rotating shaft is set to split-type structural, described rotating shaft 6 by the slot 62 being fixed on rear side of screw rod and
The latch 63 being enclosed in sleeve pipe forms, and latch 63 is made up of big footpath section and path section, and its big footpath section is enclosed in sleeve pipe
Interior, path section matches with slot, and slot 62 is cased with compression spring 8.
As the improvement of the present embodiment, the through hole 13 on described pneumatic panel 1 is screwed hole, and sleeve pipe 7 is provided with external screw thread and screw thread connects
It is connected in through hole 13, outside sleeve pipe 7, is cased with an Anti-slip nut 9, sleeve pipe and pneumatic panel are designed as sectional type structure, are also convenient for tearing open
Dress, and it is provided with Anti-slip nut, prevent sleeve pipe from arbitrarily sliding.
In this embodiment, the concrete structure of described flow control valve is: the valve body of flow control valve is passage 21, passage 21
For circular shape hole, the big end of shoulder hole 211 is positioned at pressure strip side and is provided with internal thread, and the needle of flow control valve is and shoulder hole
The cylindrical multidiameter 15 matched, the big end of multidiameter 251 is provided with external screw thread and is provided with axial flow-guiding channel at periphery, its
Middle flow-guiding channel is the axial section 252 on multidiameter big end 251 cylindrical, and remaining end segment of multidiameter 25 is truncated cone
253。
In order to strengthen the sealing property between pneumatic panel and fixed block, pneumatic panel 1 is in the inner side and outer side of ring-shaped gas-guiding trench 12 respectively
Have sealed groove 14, in sealed groove 14, be provided with sealing ring.
Embodiments of the present invention are not limited to this, according to the foregoing of the present invention, according to the ordinary technical knowledge of this area and used
By means, without departing under basic fundamental thought premise of the present invention, to repairing of other various ways that said structure of the present invention is made
Change, replace or change, within all falling within protection scope of the present invention.
Claims (10)
1. there is a multichannel air distributing device for flow regulating function, it is characterized in that: include pneumatic panel and fix with pneumatic panel
The fixed block fit together, pneumatic panel has an installing hole, is fixed with air connector at installing hole, in peace on front side of pneumatic panel
Ring-shaped gas-guiding trench is had at the circumference of dress place, hole；
Being fitted on rear side of fixed block on front side of pneumatic panel, fixed block has several passages on the circumference corresponding with ring-shaped gas-guiding trench,
It is provided with flow control valve in described passage.
The multichannel air distributing device with flow regulating function the most according to claim 1, is characterized in that: described fixed block
Front side is provided with thermal desorption pipe fixing device.
The multichannel air distributing device with flow regulating function the most according to claim 2, is characterized in that: thermal desorption Guan Gu
Determining the pressure strip that device includes being located on front side of fixed block, pressure strip can not rotate against with fixed block, pressure strip with passage pair
Answering position to have venthole, passage is provided with annular groove in pressure strip side, and annular groove is provided with seal for pipe joints circle, fixed block
Middle part has tapped through hole, is having a screw rod with tapped through hole corresponding position fixed bearing on rear side of pressure strip, and screw rod is relative to pressure strip
Can rotate freely but can not move axially, screw rod is threadeded with tapped through hole so that pressure strip is fitted with fixed block, and pneumatic panel exists
Having through hole with tapped through hole corresponding position, a rotating shaft is fixed on rear side of screw rod and exposed outside through through hole.
The multichannel air distributing device with flow regulating function the most according to claim 3, is characterized in that: described rotating shaft exists
Naked section is provided with the position limiting structure of direction of rotation.
The multichannel air distributing device with flow regulating function the most according to claim 4, is characterized in that: described spacing knot
Structure is included in pneumatic panel through hole and stretches out a sleeve pipe being enclosed within rotating shaft, and set tube wall has a breach, rotating shaft at circumferencial direction
It is fixed with a radial direction spacer pin matched with breach in indentation, there.
The multichannel air distributing device with flow regulating function the most according to claim 5, is characterized in that: described rotating shaft
It is made up of the slot being fixed on rear side of screw rod and the latch being enclosed in sleeve pipe；Described latch is by big footpath section and path section group
Becoming, its big footpath section is enclosed in sleeve pipe, path section matches with slot, and slot is cased with compression spring.
The multichannel air distributing device with flow regulating function the most according to claim 4, is characterized in that: described pneumatic panel
On through hole be screwed hole, sleeve pipe is provided with external screw thread and is threaded in through hole, is cased with an Anti-slip nut outside sleeve pipe.
The multichannel air distributing device with flow regulating function the most according to claim 3, is characterized in that: described screw rod phase
The concrete structure that can rotate freely for pressure strip but can not move axially is: pressure strip is having dead eye with screw rod correspondence position,
Being provided with a flange bearing in dead eye, be provided with screwed hole on front side of screw rod, a bolt passes from front to back and is bearing on flange bearing,
Bolt rear end is connected with screw threaded aperture.
The multichannel air distributing device with flow regulating function the most according to claim 3, is characterized in that: described pressure strip
The concrete structure that can not rotate against with fixed block is: pressure strip is provided with several alignment pins on the outer end circumference of fixed block side,
Fixed block is having hole, location with alignment pin corresponding position, so that pressure strip and fixed block can not in alignment pin is inserted into hole, location
Rotate against.
10., according to the arbitrary described multichannel air distributing device with flow regulating function of claim 1 to 9, it is characterized in that: institute
The concrete structure of flow control valve stated is: the valve body of flow control valve is passage, and passage is circular shape hole, and shoulder hole is big
End is positioned at pressure strip side and is provided with internal thread, and the needle of flow control valve is the cylindrical multidiameter matched with shoulder hole, ladder
The big end of axle is provided with external screw thread and is provided with axial flow-guiding channel at periphery, and flow-guiding channel is axial on multidiameter big end cylindrical
Section, remaining end segment of multidiameter is truncated cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256315.1A CN105889557B (en) | 2016-04-22 | 2016-04-22 | A kind of multichannel air distributing device with flow regulating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256315.1A CN105889557B (en) | 2016-04-22 | 2016-04-22 | A kind of multichannel air distributing device with flow regulating function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105889557A true CN105889557A (en) | 2016-08-24 |
| CN105889557B CN105889557B (en) | 2018-03-20 |
Family
ID=56705204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610256315.1A Expired - Fee Related CN105889557B (en) | 2016-04-22 | 2016-04-22 | A kind of multichannel air distributing device with flow regulating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889557B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870772A (en) * | 2017-03-15 | 2017-06-20 | 浙江新涛电子机械股份有限公司 | A kind of plug valve |
| CN107420588A (en) * | 2017-08-02 | 2017-12-01 | 吴志朋 | A kind of Portable water mixing valve |
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| CN85107722A (en) * | 1985-10-17 | 1987-04-22 | 黄庆辉 | Program controlling automatic valve |
| US5316042A (en) * | 1992-09-04 | 1994-05-31 | Daewoo Electronics Co., Ltd. | Multi-way rotary valve |
| CN2677927Y (en) * | 2004-03-02 | 2005-02-09 | 上海通微分析技术有限公司 | Micro-liquid sampling valve |
| CN1894527A (en) * | 2003-12-02 | 2007-01-10 | 劳伦斯·J·布拉德福德 | Multi-port valve |
| CN101608696A (en) * | 2009-06-30 | 2009-12-23 | 林波 | Rotary-vane multifunctional multi-purpose valve |
| CN203310816U (en) * | 2013-03-14 | 2013-11-27 | 罗斯蒙德分析公司 | Pneumatic multi-port selector valve and analytical instrument |
| CN205578778U (en) * | 2016-04-22 | 2016-09-14 | 姚华民 | Multichannel distributing device with flow control function |
-
2016
- 2016-04-22 CN CN201610256315.1A patent/CN105889557B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107722A (en) * | 1985-10-17 | 1987-04-22 | 黄庆辉 | Program controlling automatic valve |
| US5316042A (en) * | 1992-09-04 | 1994-05-31 | Daewoo Electronics Co., Ltd. | Multi-way rotary valve |
| CN1894527A (en) * | 2003-12-02 | 2007-01-10 | 劳伦斯·J·布拉德福德 | Multi-port valve |
| CN2677927Y (en) * | 2004-03-02 | 2005-02-09 | 上海通微分析技术有限公司 | Micro-liquid sampling valve |
| CN101608696A (en) * | 2009-06-30 | 2009-12-23 | 林波 | Rotary-vane multifunctional multi-purpose valve |
| CN203310816U (en) * | 2013-03-14 | 2013-11-27 | 罗斯蒙德分析公司 | Pneumatic multi-port selector valve and analytical instrument |
| CN205578778U (en) * | 2016-04-22 | 2016-09-14 | 姚华民 | Multichannel distributing device with flow control function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870772A (en) * | 2017-03-15 | 2017-06-20 | 浙江新涛电子机械股份有限公司 | A kind of plug valve |
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| CN107420588A (en) * | 2017-08-02 | 2017-12-01 | 吴志朋 | A kind of Portable water mixing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105889557B (en) | 2018-03-20 |
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