CN103471678B - Rotary multi-way reversing device - Google Patents
Rotary multi-way reversing device Download PDFInfo
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- CN103471678B CN103471678B CN201310457749.4A CN201310457749A CN103471678B CN 103471678 B CN103471678 B CN 103471678B CN 201310457749 A CN201310457749 A CN 201310457749A CN 103471678 B CN103471678 B CN 103471678B
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Abstract
The present invention relates to flow detection device technical field, specifically a kind of rotary multi-way reversing device, it is characterized in that being provided with water knockout drum, water knockout drum top is provided with rotary distributor, water knockout drum outer wall is provided with rotary positioning apparatus, and rotary distributor is connected with water knockout drum through rotary positioning apparatus, and rotary distributor outside is provided with transmission device, the present invention is owing to adopting said structure, has novel structure, simple to operate, easy for installation, point water quick, noenergy loss, sealing property advantages of higher.
Description
Technical field
The present invention relates to flow detection device technical field, specifically a kind of multi-way reversing device for flow measurement.
Background technology
At present, in mass method, volumetric method liquid flow standard device, the commutator using is its important building block, and its Main Function is to make liquid medium flow to as required conversion at weighing system and bypass segment. conventional commutator is both direction commutation (as shown in Figure 5), it is provided with commutation body 31, commutation body 31 one end are provided with the first delivery port 32 and the second delivery port 33 side by side, the other end is provided with water inlet 34, in commutation body 31, be provided with guide case 35, guide case 35 1 sides are connected with pull bar 36, the inlet opening of guide case 35 upper ends is corresponding with water inlet 34, the apopore of lower end is corresponding with the first delivery port 32 or the second delivery port 33, in the time that water inlet 34 need to be to the first delivery port 32 water flowing, guide case 35 pushes it to the first delivery port 32 by pull bar 36, make the apopore of guide case 35 lower ends relative with the first delivery port 32, current flow out by the first delivery port 32, in the time that water inlet 34 need to be to the second delivery port 33 water flowing, guide case 35 is retracted the second delivery port 33 by pull bar 36, make the apopore of guide case 35 lower ends relative with the second delivery port 33, current flow out by the second delivery port, its deficiency is: while dividing water, only have two points of aquaporins, in the time that delivery port of guide case moves to another delivery port, need to move the distance of a delivery port, guide case could be aimed to one of them delivery port, displacement is long, traveling time is long, divide water speed slow, divide water time-division water resistance large, divide crystal's degree low. traditional air rammer commutator is made up of solenoid directional control valve, cylinder and commutator, and cylinder piston rod is connected with reversing piston bar, moves by cylinder piston, drags commutator piston and moves commutation. the moving direction of piston is by solenoid directional control valve control. also have a kind of commutator, cylinder and commutator are done as a whole, share a piston rod, have cancelled commutator piston, use two board-like end sockets instead, by two end socket synchronous opening/closings, carry out the flow direction of liquid in change system. electronic commutator is to drive pull bar by electromagnet, drives guide case to move left and right by pull bar, realizes the switching of flow direction. the deficiency of traditional, pneumatic and electronic commutator is: can only in two flow directions, change, and conversion time is long, easily there is in use the phenomenons such as stuck or resistance is excessive, affect commutator performance, life-span, when serious, can damage commutator, and piston rod easily produces distortion, affect the device degree of accuracy.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, provide a kind of novel structure, point aquaporin is many, displacement is short, traveling time is short, point water is quick, point water resistance is little, energy loss is little, divide the rotary multi-way reversing device that crystal's degree is high, sealing property is high.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of rotary multi-way reversing device, it is characterized in that being provided with water knockout drum, water knockout drum top is provided with rotary distributor, water knockout drum outer wall is provided with rotary positioning apparatus, rotary distributor is connected with water knockout drum through rotary positioning apparatus, rotary distributor outside is provided with transmission device, described water knockout drum comprises cylindrical shell, radially deflector, divide water baffle plate and drive rail, described rotary positioning apparatus comprises locating ring, upper location castor, lower location castor, radial location castor and backstay, described cylindrical shell inner periphery array is provided with point water baffle plate more than two, described point of water damper shaft is to setting, cylindrical shell bottom surface is provided with apopore, cylindrical shell upper end outer wall is provided with locating ring, bottom outer wall is at least provided with the first side water outlet mouthpiece and the second side water outlet mouthpiece, described point of water baffle plate lower end edge is axially at least interval with the first radially deflector of deflector and second radially, described every component water baffle plate at least comprises first point of water baffle plate, second point of water baffle plate and the 3rd point of water baffle plate, first point of water baffle plate and second point of water baffle plate one side and cylinder inboard wall are tightly connected, opposite side is tightly connected with the first connecting plate respectively, first point of water baffle plate, second point of water baffle plate is fixedly connected with first the first delivery port that radially deflector is provided with the first connecting plate lower end, make it to form first point of aquaporin, second point of water baffle plate and the 3rd point of water baffle plate one side and cylinder inboard wall are tightly connected, opposite side is tightly connected with the second connecting plate respectively, second point of water baffle plate, the 3rd point of water baffle plate and the second connecting plate are respectively through first the second delivery port that radially deflector is provided with, lower end is fixedly connected with second the first delivery port that radially deflector is provided with, make it to form second point of aquaporin, between the 3rd point of water baffle plate and first point of water baffle plate, be the 3rd point of aquaporin, described first radially deflector and second radially deflector cylindrical shell is divided into first-class aquaporin, second aquaporin and the 3rd pipelined channel, described the 3rd point of aquaporin is located in first-class aquaporin, the 3rd point of aquaporin is connected with the first side water outlet mouthpiece through first-class aquaporin, first point of aquaporin is connected with the second side water outlet mouthpiece through second aquaporin, second point of aquaporin is connected with apopore through the 3rd pipelined channel, described locating ring lower end is provided with lower location castor, upper end is provided with location castor, periphery is provided with radial location castor, described rotary distributor is the cylinder of sealing, center, upper surface is provided with water inlet, lower surface circumference array is provided with pod apertures, rotary distributor outer wall is fixed with drive rail, backstay upper end is fixedly connected with drive rail, lower end is fixedly connected with radial location castor through alignment pin, backstay one side is provided with transmission device, transmission device drives rotary distributor rotation through drive rail, upper location castor is fixedly connected with backstay through upper alignment pin, lower location castor is fixedly connected with backstay through lower alignment pin, be beneficial to bear the weight of rotary distributor, stability while simultaneously also having ensured rotation, make rotary distributor energy loss in rotary course little, divide crystal's degree high, divide aquaporin many, displacement is short, traveling time is short, divide water quick, divide water resistance little, rotate by driving motor driven rotary distributor, reach the effect of point water fast that realizes.
Center, rotary distributor of the present invention lower surface is provided with taper buffer table, is beneficial to buffering and the guiding of water.
Transmission device of the present invention can adopt gear ring, the mode that chain and gear match, the mode that also can adopt gear ring and gear to be meshed, also can adopt drive rail, the mode that steel wire rope and driving wheel match, the present invention preferably adopts drive rail, the mode that steel wire rope and driving wheel match, described transmission device comprises driving motor, steel wire rope and driving wheel, described driving motor is fixed on locating ring, driving motor output shaft is provided with driving wheel, steel wire rope one end is wrapped on driving wheel, the other end is fixed and is wrapped in drive rail, be beneficial to ensure rotation steadily, divide crystal true, cut down finished cost, reach effect easy for installation simultaneously.
The present invention can be provided with water conservancy diversion bucket in the pod apertures lower end edge water outlet direction of described rotary distributor, water conservancy diversion bucket is horn-like, big opening end is fixedly connected with pod apertures, and osculum end and first point of aquaporin or second point of aquaporin or the 3rd point of aquaporin are corresponding, to ensure the accurate distribution of water.
The present invention is owing to adopting said structure, has novel structure, point aquaporin is many, displacement is short, traveling time is short, point water is quick, point water resistance is little, energy loss is little, divide that crystal's degree is high, sealing property advantages of higher.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural representation of rotary distributor in the present invention.
Fig. 4 is that in the present invention, water knockout drum partly cuts open structural representation.
Fig. 5 is the structural representation of prior art.
Reference numeral: water knockout drum 1, rotary distributor 2, cylindrical shell 3, drive rail 4, locating ring 5, upper location castor 6, lower location castor 7, radial location castor 8, backstay 9, divide water baffle plate 10, the first side water outlet mouthpiece 11, the second side water outlet mouthpiece 12, first point of aquaporin 13, second point of aquaporin 14, the 3rd point of aquaporin 15, first-class aquaporin 16, second aquaporin 17, the 3rd pipelined channel 18, apopore 19, rotary positioning apparatus 20, transmission device 21, lower location castor 22, upper location castor 23, radial location castor 24, water inlet 25, taper buffer table 26, water conservancy diversion bucket 27, driving motor 28, driving wheel 29, steel wire rope 30, commutation body 31, the first delivery port 32, the second delivery port 33, water inlet 34, guide case 35, pull bar 36.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described:
As shown in drawings, a kind of rotary multi-way reversing device, it is characterized in that being provided with water knockout drum 1, water knockout drum 1 top is provided with rotary distributor 2, water knockout drum 1 outer wall is provided with rotary positioning apparatus 20, rotary distributor 2 is connected with water knockout drum 1 through rotary positioning apparatus 20, rotary distributor 2 outsides are provided with transmission device 21, described water knockout drum 1 comprises cylindrical shell 3, radially deflector, divide water baffle plate 10 and drive rail 4, described rotary positioning apparatus comprises locating ring 5, upper location castor 6, lower location castor 7, radial location castor 8 and backstay 9, described cylindrical shell 3 inner periphery arrays are provided with point water baffle plate 10 more than two, described point of water baffle plate 10 axially arranges, cylindrical shell 3 bottom surfaces are provided with apopore 19, cylindrical shell 3 upper end outer walls are provided with locating ring 5, bottom outer wall is at least provided with the first side water outlet mouthpiece 11 and the second side water outlet mouthpiece 12, described point of water baffle plate lower end edge is axially at least interval with the first radially deflector of deflector and second radially, described every component water baffle plate at least comprises first point of water baffle plate, second point of water baffle plate and the 3rd point of water baffle plate, first point of water baffle plate and second point of water baffle plate one side and cylinder inboard wall are tightly connected, opposite side is tightly connected with the first connecting plate respectively, first point of water baffle plate, second point of water baffle plate is fixedly connected with first the first delivery port that radially deflector is provided with the first connecting plate lower end, make it to form first point of aquaporin 13, second point of water baffle plate and the 3rd point of water baffle plate one side and cylinder inboard wall are tightly connected, opposite side is tightly connected with the second connecting plate respectively, second point of water baffle plate, the 3rd point of water baffle plate and the second connecting plate are respectively through first the second delivery port that radially deflector is provided with, lower end is fixedly connected with second the first delivery port that radially deflector is provided with, make it to form second point of aquaporin 14, between the 3rd point of water baffle plate and first point of water baffle plate, be the 3rd point of aquaporin 15, described first radially deflector and second radially deflector cylindrical shell is divided into first-class aquaporin 16, second aquaporin 17 and the 3rd pipelined channel 18, described the 3rd point of aquaporin 15 is located in first-class aquaporin 16, the 3rd point of aquaporin 15 is connected with the first side water outlet mouthpiece 11 through first-class aquaporin 16, first point of aquaporin 13 is connected with the second side water outlet mouthpiece 12 through second aquaporin 17, second point of aquaporin 14 is connected with apopore 19 through the 3rd pipelined channel 18, described locating ring 5 lower ends are provided with lower location castor 22, upper end is provided with location castor 23, periphery is provided with radial location castor 24, described rotary distributor 2 is the cylinder of sealing, center, upper surface is provided with water inlet 25, lower surface circumference array is provided with pod apertures 26, rotary distributor 2 outer walls are fixed with drive rail 4, backstay 9 upper ends are fixedly connected with drive rail 4, lower end is fixedly connected with radial location castor 24 through alignment pin, backstay 9 one sides are provided with transmission device, transmission device drives rotary distributor 2 to rotate through drive rail 4, upper location castor 23 is fixedly connected with backstay 9 through upper alignment pin, lower location castor 22 is fixedly connected with backstay 9 through lower alignment pin, be beneficial in bearing the weight of rotary distributor 2, stability while also having ensured rotation, make rotary distributor energy loss in rotary course little, divide crystal's degree high, divide aquaporin many, displacement is short, traveling time is short, divide water quick, divide water resistance little, rotate by driving motor driven rotary distributor, reach the effect of point water fast that realizes.
Rotary distributor of the present invention 2 centers, lower surface are provided with taper buffer table 26, are beneficial to buffering and the guiding of water.
Transmission device 21 of the present invention can adopt gear ring, the mode that chain and gear match, the mode that also can adopt gear ring and gear to be meshed, also can adopt drive rail, the mode that steel wire rope and driving wheel match, the present invention preferably adopts drive rail, the mode that steel wire rope and driving wheel match, described transmission device comprises driving motor 28, steel wire rope 30 and driving wheel 29, described driving motor 28 is fixed on locating ring 5, driving motor 28 output shafts are provided with driving wheel 29, steel wire rope 30 one end are wrapped on driving wheel 29, the other end is fixed and is wrapped in drive rail 4, be beneficial to ensure rotation steadily, divide crystal true, cut down finished cost, reach effect easy for installation simultaneously.
The present invention can be provided with water conservancy diversion bucket 27 in the pod apertures of described rotary distributor 2 26 lower end edge water outlet directions, water conservancy diversion bucket is horn-like, big opening end is fixedly connected with pod apertures, and osculum end and first point of aquaporin or second point of aquaporin or the 3rd point of aquaporin are corresponding, to ensure the accurate distribution of water.
Embodiment: as accompanying drawing 1, 2, a kind of rotary multi-way reversing device, be provided with water knockout drum 1, water knockout drum 1 top is provided with rotary distributor 2, water knockout drum 1 outer wall is provided with rotary positioning apparatus 20, rotary distributor 2 is connected with water knockout drum 1 through rotary positioning apparatus 20, rotary distributor 2 outsides are provided with transmission device 21, described water knockout drum 1 comprises cylindrical shell 3, radially deflector, divide water baffle plate 10 and drive rail 4, described rotary positioning apparatus comprises locating ring 5, upper location castor 6, lower location castor 7, radial location castor 8 and backstay 9, described cylindrical shell 3 inner periphery arrays have seven component water baffle plates 10, described point of water baffle plate 10 axially arranges, cylindrical shell 3 bottom surfaces are provided with apopore 19, cylindrical shell 3 upper end outer walls are provided with locating ring 5, bottom outer wall is provided with the first side water outlet mouthpiece 11 and the second side water outlet mouthpiece 12, described point of water baffle plate lower end edge axially spaced-apart is provided with the first radially deflector of deflector and second radially, described every component water baffle plate at least comprises first point of water baffle plate, second point of water baffle plate and the 3rd point of water baffle plate, first point of water baffle plate and second point of water baffle plate one side and cylinder inboard wall are tightly connected, opposite side is tightly connected with the first connecting plate respectively, first point of water baffle plate, second point of water baffle plate is fixedly connected with first the first delivery port that radially deflector is provided with the first connecting plate lower end, make it to form first point of aquaporin 13, second point of water baffle plate and the 3rd point of water baffle plate one side and cylinder inboard wall are tightly connected, opposite side is tightly connected with the second connecting plate respectively, second point of water baffle plate, the 3rd point of water baffle plate is fixedly connected with second the first delivery port that radially deflector is provided with through first the second delivery port lower end that radially deflector is provided with respectively with the second connecting plate, make it to form second point of aquaporin 14, between the 3rd point of water baffle plate and first point of water baffle plate, be the 3rd point of aquaporin 15, described first radially deflector and second radially deflector cylindrical shell is divided into first-class aquaporin 16, second aquaporin 17 and the 3rd pipelined channel 18, described the 3rd point of aquaporin 15 is located in first-class aquaporin 16, the 3rd point of aquaporin 15 is connected with the first side water outlet mouthpiece 11 through first-class aquaporin 16, first point of aquaporin 14 is connected with the second side water outlet mouthpiece 12 through second aquaporin 17, second point of aquaporin 15 is connected with apopore 19 through the 3rd pipelined channel 18, described locating ring 5 lower ends are provided with lower location castor 22, upper end is provided with location castor 23, periphery is provided with radial location castor 24, described rotary distributor 2 is the cylinder of sealing, center, upper surface is provided with water inlet 25, lower surface Circle-Array is shown pod apertures 26, rotary distributor 2 outer walls are fixed with drive rail 4, backstay 9 upper ends are fixedly connected with drive rail 4, lower end is fixedly connected with radial location castor 24 through alignment pin, backstay 9 one sides are provided with transmission device, transmission device drives rotary distributor 2 to rotate through drive rail 4, upper location castor 23 is fixedly connected with backstay 9 through upper alignment pin, lower location castor 22 is fixedly connected with backstay 9 through lower alignment pin, be beneficial in bearing the weight of rotary distributor 2, stability while also having ensured rotation, make rotary distributor 2 noenergy loss in rotary course, divide crystal's degree high, reach the effect of point water fast that realizes, rotary distributor of the present invention 2 centers, lower surface are provided with taper buffer table 26, be beneficial to buffering and the guiding of water, described transmission device comprises driving motor 28, steel wire rope 30 and driving wheel 29, described driving motor is fixed on locating ring, driving motor 28 output shafts are provided with driving wheel 29, steel wire rope 30 one end are wrapped on driving wheel 29, the other end is fixed and is wrapped in drive rail 4, be beneficial to ensure rotation steadily, divide crystal true, cut down finished cost, reach effect easy for installation simultaneously, the pod apertures 26 lower end edge water outlet directions of rotary distributor 2 are provided with water conservancy diversion bucket, water conservancy diversion bucket is horn-like, big opening end is fixedly connected with pod apertures, osculum end and first point of aquaporin or second point of aquaporin or the 3rd point of aquaporin are corresponding, to ensure the accurate distribution of water, the present invention in use, in the time that the first water pipe of the first side water outlet mouthpiece needs water flowing, driving motor action, drive the driving-belt on driving wheel to drive drive rail rotation, the rotation of driven rotary distributor, make the pod apertures of rotary distributor bottom surface aim at the 3rd point of aquaporin in water knockout drum, water flows into through the water inlet of rotary distributor, through buffering and the water conservancy diversion of buffer table, flow into first-class aquaporin through pod apertures, flow into the first side water outlet mouthpiece by first-class aquaporin, flow in first water pipe that will detect through the first side water outlet mouthpiece, in the time that the second side water outlet mouthpiece needs water flowing, driving motor action, drive the driving-belt on driving wheel to drive drive rail rotation, the rotation of driven rotary distributor, make the pod apertures of rotary distributor bottom surface aim at second point of aquaporin in water knockout drum, water flows into through the water inlet of rotary distributor, through buffering and the water conservancy diversion of buffer table, flow into second aquaporin, flow into the second side water outlet mouthpiece by second aquaporin, flow in second water pipe that will detect through the second side water outlet mouthpiece, the like.
The present invention is owing to adopting said structure, has novel structure, point aquaporin is many, displacement is short, traveling time is short, point water is quick, point water resistance is little, energy loss is little, divide that crystal's degree is high, sealing property advantages of higher.
Claims (4)
1. a rotary multi-way reversing device, it is characterized in that being provided with water knockout drum, water knockout drum top is provided with rotary distributor, water knockout drum outer wall is provided with rotary positioning apparatus, rotary distributor is connected with water knockout drum through rotary positioning apparatus, rotary distributor outside is provided with transmission device, described water knockout drum comprises cylindrical shell, radially deflector, divide water baffle plate and drive rail, described rotary positioning apparatus comprises locating ring, upper location castor, lower location castor, radial location castor and backstay, described cylindrical shell inner periphery array is provided with point water baffle plate more than two, described point of water damper shaft is to setting, cylindrical shell bottom surface is provided with apopore, cylindrical shell upper end outer wall is provided with locating ring, bottom outer wall is at least provided with the first side water outlet mouthpiece and the second side water outlet mouthpiece, described point of water baffle plate lower end edge is axially at least interval with the first radially deflector of deflector and second radially, described every component water baffle plate at least comprises first point of water baffle plate, second point of water baffle plate and the 3rd point of water baffle plate, first point of water baffle plate and second point of water baffle plate one side and cylinder inboard wall are tightly connected, opposite side is tightly connected with the first connecting plate respectively, first point of water baffle plate, second point of water baffle plate is fixedly connected with first the first delivery port that radially deflector is provided with the first connecting plate lower end, make it to form first point of aquaporin, second point of water baffle plate and the 3rd point of water baffle plate one side and cylinder inboard wall are tightly connected, opposite side is tightly connected with the second connecting plate respectively, second point of water baffle plate, the 3rd point of water baffle plate and the second connecting plate are respectively through first the second delivery port that radially deflector is provided with, lower end is fixedly connected with second the first delivery port that radially deflector is provided with, make it to form second point of aquaporin, between the 3rd point of water baffle plate and first point of water baffle plate, be the 3rd point of aquaporin, described first radially deflector and second radially deflector cylindrical shell is divided into first-class aquaporin, second aquaporin and the 3rd pipelined channel, described the 3rd point of aquaporin is located in first-class aquaporin, the 3rd point of aquaporin is connected with the first side water outlet mouthpiece through first-class aquaporin, first point of aquaporin is connected with the second side water outlet mouthpiece through second aquaporin, second point of aquaporin is connected with apopore through the 3rd pipelined channel, described locating ring lower end is provided with lower location castor, upper end is provided with location castor, periphery is provided with radial location castor, described rotary distributor is the cylinder of sealing, center, upper surface is provided with water inlet, lower surface circumference array is provided with pod apertures, rotary distributor outer wall is fixed with drive rail, backstay upper end is fixedly connected with drive rail, lower end is fixedly connected with radial location castor through alignment pin, backstay one side is provided with transmission device, transmission device drives rotary distributor rotation through drive rail, upper location castor is fixedly connected with backstay through upper alignment pin, lower location castor is fixedly connected with backstay through lower alignment pin.
2. the rotary multi-way reversing device of one according to claim 1, is characterized in that center, described rotary distributor lower surface is provided with taper buffer table.
3. the rotary multi-way reversing device of one according to claim 1, it is characterized in that described transmission device comprises driving motor, steel wire rope and driving wheel, described driving motor is fixed on locating ring, driving motor output shaft is provided with driving wheel, steel wire rope one end is wrapped on driving wheel, and the other end is fixed and is wrapped in drive rail.
4. the rotary multi-way reversing device of one according to claim 1, the pod apertures lower end edge water outlet direction that it is characterized in that described rotary distributor is provided with water conservancy diversion bucket, water conservancy diversion bucket is horn-like, big opening end is fixedly connected with pod apertures, and osculum end and first point of aquaporin or second point of aquaporin or the 3rd point of aquaporin are corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310457749.4A CN103471678B (en) | 2013-09-30 | 2013-09-30 | Rotary multi-way reversing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310457749.4A CN103471678B (en) | 2013-09-30 | 2013-09-30 | Rotary multi-way reversing device |
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| CN103471678A CN103471678A (en) | 2013-12-25 |
| CN103471678B true CN103471678B (en) | 2016-05-11 |
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| CN106816798A (en) * | 2015-11-30 | 2017-06-09 | 宁波胜克换向器有限公司 | A kind of processing mold for manufacturing planar all-plastic commutator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4036409A (en) * | 1975-04-23 | 1977-07-19 | Jules Langlais | Fluid metering device |
| DE2838946A1 (en) * | 1978-09-07 | 1980-03-13 | Fabritius Hans Josef | Container and disperser for powdered or granular foodstuffs - consists of storage compartment in which are partition discs with holes in |
| CN202281640U (en) * | 2011-04-29 | 2012-06-20 | 上海昂极仪表科技有限公司 | High precision fluid commutator |
| CN202501908U (en) * | 2012-01-11 | 2012-10-24 | 沈阳兴大通仪器仪表有限公司 | Combined type volume method working measuring apparatus |
| CN203479352U (en) * | 2013-09-30 | 2014-03-12 | 威海市天罡仪表股份有限公司 | Rotating type multi-channel diverter |
-
2013
- 2013-09-30 CN CN201310457749.4A patent/CN103471678B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4036409A (en) * | 1975-04-23 | 1977-07-19 | Jules Langlais | Fluid metering device |
| DE2838946A1 (en) * | 1978-09-07 | 1980-03-13 | Fabritius Hans Josef | Container and disperser for powdered or granular foodstuffs - consists of storage compartment in which are partition discs with holes in |
| CN202281640U (en) * | 2011-04-29 | 2012-06-20 | 上海昂极仪表科技有限公司 | High precision fluid commutator |
| CN202501908U (en) * | 2012-01-11 | 2012-10-24 | 沈阳兴大通仪器仪表有限公司 | Combined type volume method working measuring apparatus |
| CN203479352U (en) * | 2013-09-30 | 2014-03-12 | 威海市天罡仪表股份有限公司 | Rotating type multi-channel diverter |
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