CN105889557B - A kind of multichannel air distributing device with flow regulating function - Google Patents
A kind of multichannel air distributing device with flow regulating function Download PDFInfo
- Publication number
- CN105889557B CN105889557B CN201610256315.1A CN201610256315A CN105889557B CN 105889557 B CN105889557 B CN 105889557B CN 201610256315 A CN201610256315 A CN 201610256315A CN 105889557 B CN105889557 B CN 105889557B
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- CN
- China
- Prior art keywords
- hole
- fixed block
- pressure strip
- distributing device
- pneumatic panel
- 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.)
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses a kind of multichannel air distributing device with flow regulating function, it includes pneumatic panel and fixes the fixed block to fit together with pneumatic panel, a mounting hole is provided with pneumatic panel, air connector is fixed with mounting hole, ring-shaped gas-guiding trench is being provided with circumference where mounting hole on front side of pneumatic panel；It is fitted on rear side of fixed block on front side of pneumatic panel, fixed block is provided with several passages on circumference corresponding with ring-shaped gas-guiding trench, and flow control valve is provided with the passage.The invention provides it is a kind of be suitable for integrated use environment, miniaturization there is flow regulating function multichannel air distributing device, its structure is intensive, small volume, and manufacturing cost is low, can effectively reduce experimental cost.
Description
Technical field
The present invention relates to a kind of multichannel air distributing device with flow regulating function.
Background technology
Laboratory through being commonly encountered multichannel gas of the same race situation used at the same time, and needs to control in using gas process
Each channel gas flow velocity is made, although the air distributing device of prior art can realize multichannel gas of the same race while use, due to existing
Have the air distributing device of technology it is complicated, it is bulky, cumbersome for installation, manufacture use cost it is higher, be not suitable for integrated ring
Border and the use of compact apparatus.Therefore design it is a kind of be suitable for integrated use environment, miniaturization there is Flow-rate adjustment
The multichannel air distributing device of function just has a great economic significance.
The content of the invention
It is an object of the invention to provide it is a kind of be suitable for integrated use environment, miniaturization there is Flow-rate adjustment work(
The multichannel air distributing device of energy.
Solves above-mentioned technical problem, the present invention takes following technical scheme to be achieved：
A kind of multichannel air distributing device with flow regulating function, it is characterized in that：Including pneumatic panel and and pneumatic panel
The fixed block to fit together is fixed, a mounting hole is provided with pneumatic panel, air connector, pneumatic panel front side are fixed with mounting hole
Where mounting hole ring-shaped gas-guiding trench is being provided with circumference；
It is fitted on rear side of fixed block on front side of pneumatic panel, fixed block is provided with several on circumference corresponding with ring-shaped gas-guiding trench
Passage, the passage is interior to be provided with flow control valve.
As a modification of the present invention, thermal desorption pipe fixing device is provided with front side of the fixed block.
As a kind of embodiment of the present invention, thermal desorption pipe fixing device includes being located at the pressure strip on front side of fixed block, pressure
Tight plate can not rotate against with fixed block, and pressure strip is being provided with venthole with passage correspondence position, and passage is in pressure strip side
Provided with annular groove, annular groove is provided with seal for pipe joints circle, is provided with tapped through hole in the middle part of fixed block, on rear side of pressure strip with spiral shell
Line through hole corresponding position fixed bearing has a screw rod, and screw rod can be rotated freely relative to pressure strip but can not moved axially, screw rod with
Tapped through hole, which is threadedly coupled, causes pressure strip to be bonded with fixed block, and pneumatic panel is being provided with through hole with tapped through hole corresponding position, one turn
Axle is fixed on rear side of screw rod and exposed outside through through hole.
As a modification of the present invention, the 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, the position limiting structure is included in pneumatic panel through hole stretching one and is enclosed in rotating shaft
Sleeve pipe, cover and in circumferencial direction be provided with a breach on tube wall, rotating shaft is fixed with a radial direction being engaged with breach in indentation, there
Spacer pin.
As a modification of the present invention, described rotating shaft is by the slot that is fixed on rear side of screw rod and is enclosed in sleeve pipe
Latch composition.
The embodiment recommended as the present invention, described latch are made up of big footpath section and path section, its big footpath section quilt
Be enclosed in sleeve pipe, path section is engaged with slot, compression spring is cased with slot.
As a modification of the present invention, the through hole on the pneumatic panel is screwed hole, and sleeve pipe is provided with external screw thread and screw thread
It is connected in through hole, an Anti-slip nut is cased with outside sleeve pipe.
As a kind of embodiment of invention, the tool that the screw rod can be rotated freely relative to pressure strip but can not moved axially
Body structure is：Pressure strip is being provided with bearing hole with screw rod correspondence position, and a flange bearing is provided with bearing hole, is provided with front side of screw rod
Screwed hole, a bolt are passed through and are supported on flange bearing from front to back, and bolt rear end is connected with screw threaded aperture.
As a kind of embodiment of invention, the concrete structure that the pressure strip can not rotate against with fixed block is：Compress
Plate is provided with several alignment pins on the outer end circumference of fixed block side, and fixed block is being provided with positioning hole with alignment pin corresponding position, fixed
Position pin is inserted into positioning hole so that pressure strip can not rotate against with fixed block.
As a kind of embodiment of invention, the specific structure of described flow control valve is：The valve body of flow control valve is logical
Stomata, passage are circular shape hole, and the big end of shoulder hole is located at pressure strip side and is provided with internal thread, and the needle of flow control valve is
The cylindrical multi-diameter shaft being engaged with shoulder hole, the big end of multi-diameter shaft, which is provided with external screw thread and is provided with axial water conservancy diversion in periphery, to be led to
Road, flow-guiding channel are the axial section on the big end of multi-diameter shaft is cylindrical, and remaining end segment of multi-diameter shaft 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,
Sealing ring is provided with sealed groove.
Compared with prior art, the present invention has following beneficial effect：
The invention provides it is a kind of be suitable for integrated use environment, miniaturization there is flow regulating function multichannel
Air distributing device, its structure is intensive, small volume, and manufacturing cost is low, can effectively reduce experimental cost.
Brief description of the drawings
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 Fig. 3 sectional view；
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 panels, 11- mounting holes, 12- air slots, 13- through holes, 14- sealed grooves, 2- fixed blocks, 21- lead to
Stomata, the big end of 211- shoulder holes, 22- axis holes, 23- tapped through holes, 24- positioning holes, 25- multi-diameter shafts, the big end of 251- multi-diameter shafts,
252- axial directions section, 253- truncated cones, 3- pressure strips, 31- ventholes, 32- bearing holes, 33- alignment pins, 4- seals for pipe joints
Circle, 5- screw rods, 51- screwed holes, 6- rotating shafts, 61- spacer pins, 62- slots, 63- latches, 64- handles, 7- sleeve pipes, 71- breach,
8- compression springs, 9- Anti-slip nuts, 10- air connectors, 20- flange bearings, 30- bolts.
Embodiment
With 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
Pneumatic panel 1 and the fixed block 2 that fits together is fixed with pneumatic panel 1, a mounting hole 11, mounting hole 11 are provided with pneumatic panel 1
Place is fixed with air connector 10, and ring-shaped gas-guiding trench 12 is provided with the place circumference of mounting hole 11 on front side of pneumatic panel；On rear side of fixed block
It is fitted on front side of pneumatic panel, fixed block 2 is described logical with being provided with several passages 21 on 12 corresponding circumference of ring-shaped gas-guiding trench
Flow control valve is provided with stomata 21.The present invention is shunted by the passage on fixed block to flow, and utilizes passage
Interior flow control valve carries out flow control, so as to reach the multichannel distribution effect of regulating flow quantity.
On the basis of the above, the present embodiment makees following improvement, and thermal desorption pipe fixing device, thermal desorption are provided with front side of fixed block
Pipe fixing device includes being located at the pressure strip 3 on front side of fixed block, and pressure strip 3 can not rotate against with fixed block 2, and pressure strip 3 exists
Venthole 31 is provided with the correspondence position of passage 21, and passage 21 is provided with annular groove 22 in pressure strip side, 22 on annular groove
Provided with seal for pipe joints circle 4, tapped through hole 23 is provided with the middle part of fixed block, branch is being fixed with the corresponding position of tapped through hole 23 on rear side of pressure strip
A screw rod 5 is held, screw rod 5 can be rotated freely relative to pressure strip but can not moved axially, and screw rod 5 connects with the screw thread of tapped through hole 23
Connect so that pressure strip 3 is bonded with fixed block 2, pneumatic panel 1 is being provided with through hole 13 with the corresponding position of tapped through hole 23, and a rotating shaft 6 is 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 is relative
It is in the concrete structure that pressure strip can be rotated freely but can not moved axially：Pressure strip 3 is being provided with bearing with the correspondence position of screw rod 5
Hole 32, bearing hole 32 is interior to be provided with a flange bearing 20, is provided with screwed hole 51 on front side of screw rod, a bolt 30 is passed through and propped up from front to back
Hold on flange bearing 20, bolt rear end is connected with screw threaded aperture 51；The tool that pressure strip 3 can not rotate against with fixed block 2
Body structure is：Pressure strip 3 is provided with several alignment pins 33 on the outer end circumference of fixed block side, fixed block 2 with alignment pin 33
Corresponding position is provided with positioning hole 24, and alignment pin 33 is inserted into positioning hole 24 so that pressure strip can not relative rotation with fixed block
Turn.Being bonded and separating for pressure strip and fixed block can be realized by rotary screw, and air distributing device is in actual use, heat is de-
Attached pipe is inserted at venthole, and before thermal desorption pipe is inserted, rotary screw causes pressure strip and fixed block to have certain interval, and heat takes off
Attached pipe is inserted into venthole and with being pressed on seal for pipe joints circle, and then contra rotating screw make it that pressure strip is tight with fixed block
Closely connected conjunction, fixed so as to complete thermal desorption pipe.
On the basis of the above, in this implementation, in order to limit the anglec of rotation of screw rod, rotating shaft 6 is provided with rotation on naked section
The position limiting structure in direction.Wherein position limiting structure, which is included at pneumatic panel through hole 13, stretches out a sleeve pipe 7 being enclosed in rotating shaft 6, sleeve pipe 7
A breach 71 is provided with circumferencial direction on tube wall, it is spacing that rotating shaft 6 is fixed with a radial direction being engaged with breach 71 at breach 71
Pin 61.The size of the rotating shaft anglec of rotation depends on the size of breach radian, so as to limit the anglec of rotation of screw rod, avoids excessively revolving
Turn.
For convenient disassembly, rotating shaft is set to split-type structural, described rotating shaft 6 is by the slot 62 that is 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 is interior, path section is engaged with slot, and compression spring 8 is cased with slot 62.
As the improvement of the present embodiment, the through hole 13 on the pneumatic panel 1 is screwed hole, and sleeve pipe 7 is provided with external screw thread and spiral shell
Line is connected in through hole 13, and an Anti-slip nut 9 is cased with outside sleeve pipe 7, and sleeve pipe and pneumatic panel are designed as into sectional type structure, are also convenient for
Dismounting, and Anti-slip nut is provided with, prevent sleeve pipe from arbitrarily sliding.
In this embodiment, the specific structure of described flow control valve is：The valve body of flow control valve is passage 21, ventilation
Hole 21 is circular shape hole, and the big end 211 of shoulder hole is located at pressure strip side and is provided with internal thread, and the needle of flow control valve is and rank
The cylindrical multi-diameter shaft 15 that terraced hole is engaged, the big end 251 of multi-diameter shaft, which is provided with external screw thread and is provided with axial water conservancy diversion in periphery, to be led to
Road, wherein flow-guiding channel are the axial section 252 on the big end 251 of multi-diameter shaft is cylindrical, and remaining end segment of multi-diameter shaft 25 is circle
Taper type 253.
In order to strengthen the sealing property between pneumatic panel and fixed block, pneumatic panel 1 is in the inner side of ring-shaped gas-guiding trench 12 and outside
Side has sealed groove 14, and sealing ring is provided with sealed groove 14.
The implementation of the present invention is not limited to this, according to the above of the present invention, knows according to the ordinary skill of this area
Knowledge and customary means, under the premise of basic fundamental thought of the present invention is not departed from, what said structure of the present invention was made is other a variety of
Modification, replacement or the change of form, are within the scope of the present invention.
Claims (8)
1. a kind of multichannel air distributing device with flow regulating function, including pneumatic panel and fixed with pneumatic panel and be fitted in one
The fixed block risen, a mounting hole is provided with pneumatic panel, is fixed with air connector at mounting hole, on front side of pneumatic panel where mounting hole
Ring-shaped gas-guiding trench is provided with circumference；
It is fitted on rear side of fixed block on front side of pneumatic panel, fixed block is provided with several ventilations on circumference corresponding with ring-shaped gas-guiding trench
Hole, the passage is interior to be provided with flow control valve；
Thermal desorption pipe fixing device is provided with front side of the fixed block；
It is characterized in that：Thermal desorption pipe fixing device includes being located at the pressure strip on front side of fixed block, and pressure strip can not phase with fixed block
To rotation, pressure strip is being provided with venthole with passage correspondence position, and passage is provided with annular groove in pressure strip side, and annular is recessed
Groove is provided with seal for pipe joints circle, and tapped through hole is provided with the middle part of fixed block, branch is being fixed with tapped through hole corresponding position on rear side of pressure strip
A screw rod is held, screw rod can be rotated freely relative to pressure strip but can not moved axially, and screw rod is threadedly coupled with tapped through hole to be made
Obtain pressure strip to be bonded with fixed block, pneumatic panel is being provided with through hole with tapped through hole corresponding position, and a rotating shaft is fixed on rear side of screw rod simultaneously
It is exposed outside through through hole.
2. the multichannel air distributing device according to claim 1 with flow regulating function, it is characterized in that：The rotating shaft exists
Naked section is provided with the position limiting structure of direction of rotation.
3. the multichannel air distributing device according to claim 2 with flow regulating function, it is characterized in that：The spacing knot
Structure is included in pneumatic panel through hole and stretches out a sleeve pipe being enclosed in rotating shaft, covers and is provided with a breach in circumferencial direction on tube wall, turns
Axle is fixed with a radial direction spacer pin being engaged with breach in indentation, there.
4. the multichannel air distributing device according to claim 3 with flow regulating function, it 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
Composition, its big footpath section is enclosed in sleeve pipe, path section is engaged with slot, and compression spring is cased with slot.
5. the multichannel air distributing device according to claim 2 with flow regulating function, it is characterized in that：The pneumatic panel
On through hole be screwed hole, sleeve pipe is provided with external screw thread and is threaded in through hole, and an Anti-slip nut is cased with outside sleeve pipe.
6. the multichannel air distributing device according to claim 1 with flow regulating function, it is characterized in that：The screw rod phase
The concrete structure that can be rotated freely but can not move axially for pressure strip is：Pressure strip is being provided with bearing with screw rod correspondence position
Hole, bearing hole is interior to be provided with a flange bearing, is provided with screwed hole on front side of screw rod, a bolt passes through and is supported on flange shaft from front to back
Hold, bolt rear end is connected with screw threaded aperture.
7. the multichannel air distributing device according to claim 1 with flow regulating function, it is characterized in that：The pressure strip
The concrete structure that can not be rotated against with fixed block is：Pressure strip is provided with several positioning on the outer end circumference of fixed block side
Pin, fixed block are being provided with positioning hole with alignment pin corresponding position, and alignment pin is inserted into positioning hole so that pressure strip and fixation
Block can not rotate against.
8. the multichannel air distributing device according to any one of claims 1 to 7 with flow regulating function, it is characterized in that：Institute
The specific 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 multi-diameter shaft being engaged with shoulder hole, rank
The terraced big end of axle is provided with external screw thread and is provided with the flow-guiding channel of axial direction in periphery, and flow-guiding channel is on the big end of multi-diameter shaft is cylindrical
Axial section, remaining end segment of multi-diameter shaft 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 CN105889557A (en) | 2016-08-24 |
| CN105889557B true CN105889557B (en) | 2018-03-20 |
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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 |
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| CN (1) | CN105889557B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750844A (en) * | 2017-03-15 | 2023-03-07 | 浙江新涛智控科技股份有限公司 | Gas distribution plate and plug valve |
| CN107420588B (en) * | 2017-08-02 | 2019-09-20 | 吴志朋 | A kind of Portable water mixing valve |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85107722A (en) * | 1985-10-17 | 1987-04-22 | 黄庆辉 | Program controlling automatic valve |
| KR950002145B1 (en) * | 1992-09-04 | 1995-03-13 | 대우전자주식회사 | Multiway valve |
| EP1700057B1 (en) * | 2003-12-02 | 2013-09-04 | Lawrence J. Bradford | Multiple 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 |
| CN101608696B (en) * | 2009-06-30 | 2011-04-06 | 林波 | Rotary-vane multifunctional multi-purpose valve |
| US9249890B2 (en) * | 2013-03-14 | 2016-02-02 | Rosemount Analytical Inc. | Fittingless pneumatic multiport selector valve for analytic instruments |
| CN205578778U (en) * | 2016-04-22 | 2016-09-14 | 姚华民 | Multichannel distributing device with flow control function |
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2016
- 2016-04-22 CN CN201610256315.1A patent/CN105889557B/en not_active Expired - Fee Related
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| CN105889557A (en) | 2016-08-24 |
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Granted publication date: 20180320 Termination date: 20200422 |
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