CN202304900U - Vertical helix type water metering device - Google Patents
Vertical helix type water metering device Download PDFInfo
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- CN202304900U CN202304900U CN2011203965747U CN201120396574U CN202304900U CN 202304900 U CN202304900 U CN 202304900U CN 2011203965747 U CN2011203965747 U CN 2011203965747U CN 201120396574 U CN201120396574 U CN 201120396574U CN 202304900 U CN202304900 U CN 202304900U
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Abstract
The utility model discloses a vertical helix type water metering device, which comprises a shell, a water inlet passage and a water outlet passage, which are located on the two sides of the shell and are horizontally arranged, and a cavity arranged between the water inlet passage and the water outlet passage, wherein a metering component with a middle part hermetically connected with the inner side wall of the cavity is vertically arranged in the cavity, the water inlet passage is communicated to the lower part of the metering component, and the water outlet passage is communicated to the upper part of the metering component; the metering component comprises a water filter screen, a lower flow guider, a wing wheel and an upper flow guider, which are sequentially arranged on the front and back sides from the bottom up; the metering component further comprises a side decompression passage close to the inner side wall of the cavity and an adjustor, and the adjustor is used for adjusting the dimension of the side decompression passage so as to adjust the volume of the water flow actually measured by the metering component. The vertical helix type water metering device disclosed by the utility model has the advantages of capability of adjusting the actual volume measured by the water metering device via the side decompression passage and the adjustor and improving the measurement precision, and very convenience for installation and maintenance.
Description
Technical field
The utility model relates to a kind of water metering device, particularly relates to a kind of vertical spiral type water metering device.
Background technology
In short supply day by day in water resource, to the increasingly high current era of water consumption measuring requirement, water metering device is important all the more.Water metering device is the meter of the quantity of the water that uses of a kind of metering user; Be mainly used in the metering of tap water supply industry and all kinds of water unit, for supplying water, the monitoring water system running of water unit, preventing that damage by water, rational allocation from using water resource to carry out aspect such as cost accounting and playing important effect to the large-diameter pipe net system tap water integrated flow of flowing through.Develop so far that the heavy caliber water metering device has had many types, such as electromagnetic flowmeter based on electromagnetic principle, based on the ultrasonic flow meter of ultrasound wave principle, and heavy caliber spiral shell wing water meter.
Wherein electromagnetic flowmeter is a kind of instrument of measuring conductive liquid of processing according to faraday electromagnetic induction.Electromagnetic Flow can solve the problem that other flowmeter is difficult for application in respect of a series of good characteristics, like the measurement of dirty stream, corrosion stream.70, the eighties, electromagnetic flowmeter had important breakthrough technically, made it become widely used one type of flowmeter, and its use amount constantly rises in flow instrument.Its advantage is: 1, measuring passage is smooth straight, can not block, and is applicable to and measures the liquid-solid two-phase fluid that contains solid particle, like paper pulp, mud, sewage etc.; 2, the pressure loss that does not produce flow detection and caused, good energy-conserving effect; 3, in fact measured volumetric flow rate does not receive the influence of fluid density, viscosity, temperature, pressure and conductivity variations; 4, the flow range that can survey is big, the bore wide ranges; 5, can use the measurement of corrosive fluid.But also there are many shortcomings in this electromagnetic flowmeter, for example: and 1, the very low liquid of energy measurement conductivity not, like petroleum product; 2, can not measurement gas, steam and contain liquid than air pocket; 3, can not be used for higher temperature; 4, price is very high.
Ultrasonic flowmeter is to flow work to supersonic beam or ultrasonic pulse in order to measure the instrument of flow through test fluid.According to the principle to input, ultrasonic flowmeter can be divided into time propagation method, comprises direct time difference method, time difference method, phase difference method and frequency-difference method, wave beam deflection method, Doppler method, cross-correlation method, space filter method and noise method etc.Ultrasonic flowmeter is the same with electromagnetic flowmeter; Because of the instrument circulation passage is not provided with any barrier member; All belong to without hindrance flowmeter; Be the one type of flowmeter that is suitable for solving the flow measurement difficult problem, especially outstanding advantage arranged aspect the heavy caliber flow measurement, it is to develop one of one type of flowmeter rapidly in recent years.Its advantage is: 1, can do non-contact measurement; 2, do not measure the no pressure loss for having to flow to obstruct; 3, can measure non-conductive liquid, be a kind of replenishing to the electromagnetic flowmeter that does not have the measurement of obstructing.Its shortcoming is: 1, wherein time propagation method can only be used for clean liquid and gas, and Doppler method can only be used to measure the liquid that contains a certain amount of suspended particle and bubble; 2, the Doppler method measuring accuracy is not high; 3, on the high side.
The heavy caliber helical vane type water meter utilizes the rotation of water impact wing wheel, and the principle that the wing wheel revolution is directly proportional with discharge in certain flow range is measured the volume of current.Its advantage is: 1, easy to install, only need to change movement during the helical vane type water meter maintenance.2, negotiability is big, the pressure loss is little; 3, compact conformation, long service life.Its shortcoming is: 1, measuring accuracy is lower than flowmeter; 2, need straight length before the table.And large-diameter water meter based on spiral principle at present both domestic and external all can't compare with electromagnetism and ultrasonic flowmeter on the metering grade, and the price of flowmeter is high.
The utility model content
The utility model technical matters to be solved provides a kind of measuring accuracy height, cost is low and the vertical easily spiral type water metering device of installation and maintenance.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of vertical spiral type water metering device; Comprise housing; Be positioned at horizontally disposed intake tunnel in position, housing both sides and exhalant canal; Be arranged at the cavity between intake tunnel and the exhalant canal, the gauge assembly that the madial wall of vertical setting and center section and cavity is tightly connected in the said cavity, said intake tunnel is communicated to the bottom of said gauge assembly; Said exhalant canal is communicated to the top of said gauge assembly, it is characterized in that:
The water strainer that is provided with before and after said gauge assembly comprises from bottom to top successively, air deflector, wing wheel and go up air deflector down; Said gauge assembly also comprises an adjuster and an avris relief passage near the madial wall of cavity, and said adjuster is adjusted the size of said avris relief passage, and then the volume of the current of adjustment gauge assembly actual measurement.This vertical spiral type water metering device can be adjusted the actual volume that water metering device is measured through avris relief passage and adjuster, can improve measuring accuracy, and installation and maintenance is all very convenient.
Preferably, said adjuster is a circle shape part, and with corresponding the placing on the said flange face of said flange face size, said adjuster is provided with the arc-shaped through-hole with the corresponding setting of said arc notch;
Said air deflector down is positioned at said filter screen; And its top has the outwards outstanding protruding circle of a circle; The flange face of this protruding circle and adjuster and water strainer is complementary; And this protruding circle is positioned on the adjuster, also has equally distributed arc opening on this protruding circle, and this arc opening is complementary with arc notch on the water strainer and aims at setting; Said arc notch and arc opening promptly form said avris relief passage, and said adjuster is horizontally rotating between the protruding circle of the flange face of said water strainer and following air deflector to adjust the size of arc opening on said arc notch and the following air deflector.
In order to improve the measuring accuracy of this water metering device, said wing wheel is not having frictionally along with the unsettled rotation of current around its central shaft between air deflector and the last air deflector down.
Preferably; The front central of said wing wheel is a semisphere round end, and the center of this semisphere round end is a mounting hole, the rear portion of said wing wheel be one with its central shaft position inserted link always; The said rear center fixation of air deflector down has an installation shaft to be inserted in the said mounting hole; And have the gap between this installation shaft and the mounting hole, said inserted link is inserted in the center hub of said upward air deflector, and has the gap between said inserted link and the said center hub.
In order to form Reynolds effect; Make the wing wheel can be along with the waterflow stabilization current measured of water conservancy diversion in the central shaft position and better; Said down air deflector comprises inboard tubular face, and the interior annular face and the exterior annular face in the inboard tubular face outside, and the center, the place ahead of this time air deflector is a ball independently; The rear of ball is that the center, the place ahead of inboard tubular face is a circular hole, and should begin to increase gradually backward the cavity that formation one is used for ccontaining wing wheel from this circular hole by inboard tubular face.
In order to make down air deflector water conservancy diversion current more reposefully; Said down air deflector is included in down between central shaft and the exterior annular face of air deflector and is the equally distributed short rectification muscle of dispersion shape and grows the rectification muscle; Said short rectification muscle all evenly distributes and the identical correspondence one by one of number along the side face of air deflector with long rectification muscle; Have angle between the long rectification muscle of said correspondence and the short rectification muscle, the part in the total number of said long rectification muscle is connected to said ball.
Preferably, said angle is 8 degree.
In order to increase the intensity of wing wheel; The side of said round end has around the multi-disc blade that this round end evenly distributes and rotation is extended laterally; This wing wheel also has a circle at interval around round end reinforcement on every side, and this reinforcement is divided into the inboard shape that promptly is shorter than the outside near the round end side with blade.
Preferably, also has a circle O-ring seal between the below of the flange face of said water strainer and the cavity inner surface.
For the ease of user's monitoring in real time and adjust hydraulic pressure at any time, the outside of said housing also is provided with a hydraulic pressure sensor.
Compared with prior art; The spiral type water metering device that the advantage of the utility model is the utility model can be adjusted the actual volume that water metering device is measured through avris relief passage and adjuster; And adopt the current equilibrium principle that wing wheel can unsettledly be rotated, and reduced gearing friction power, improved measuring accuracy greatly; And before this water metering device straight pipeline needn't be installed; Be superior to aspect serviceable life and the reliability with the various flowmeters headed by the electromagnetic flowmeter, cost is low, and it is equally convenient to install, use, keep in repair with common water meter.
Description of drawings
Fig. 1 is the synoptic diagram of the vertical spiral type water metering device of the utility model.
Fig. 2 is the schematic perspective view of the following air deflector in the water metering device of the utility model, and Fig. 2 a is a front schematic view, and Fig. 2 b is a schematic rear view.
Fig. 3 is the cut-open view of the water metering device of the utility model.
Fig. 4 is the exploded view of gauge assembly of the water metering device of the utility model.
Fig. 5 is the schematic perspective view of the wing wheel of the utility model water metering device, and Fig. 5 a is a front schematic view, and Fig. 5 b is a schematic rear view.
Fig. 6 is the following air deflector of the utility model water metering device and the synoptic diagram that adjuster cooperatively interacts, and Fig. 6 a is the opening maximum rating, and Fig. 6 b is the less state of opening.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
This vertical spiral type water metering device; Shown in Fig. 1-6; Comprise housing 100; Be positioned at horizontally disposed intake tunnel in position, housing 100 both sides 80 and exhalant canal 90, have a cavity between said intake tunnel 80 and the exhalant canal 90 and be used for ccontaining gauge assembly, gauge assembly madial wall of vertical setting and center section and cavity in cavity is tightly connected.Intake tunnel 80 and exhalant canal 90 lay respectively at the both sides of gauge assembly; And intake tunnel 80 is communicated to the bottom of cavity, i.e. the bottom of gauge assembly, and exhalant canal 90 is communicated to the top of cavity; Be the top of gauge assembly; Current promptly flow to the bottom of gauge assembly from said intake tunnel 80, flow to exhalant canal 90 through the top from gauge assembly behind the gauge assembly then, and then flow out this WT-MSR.The top of housing 100 separates a flange cover 101 through a water-stop sheet 102, the ccontaining counting assembly 104 in the space between flange cover 101 and the water-stop sheet 102, and the top of flange cover 101 has the top that a cover body 103 is enclosed in counting assembly 104 housing 100.
Like Fig. 3, shown in 4, this gauge assembly comprises O-ring seal 5, water strainer 4, adjuster 3, following air deflector 1, the wing wheel 2 that sets gradually from bottom to up and goes up air deflector 6.In below describing; The direction of from gauge assembly, flowing through with water is a fore-and-aft direction, and water flows to the top then from exhalant canal 90 outflows from the below of gauge assembly, promptly is the place ahead with the below; The top is the rear, and promptly the flow direction with current comes regulation to describe the front and back order of each parts.
From the water elder generation process water strainer 4 that intake tunnel 80 flows into; Water strainer 4 is a circular goblet; Its xsect is circular; Have the aperture 41 that a plurality of filtered water are used on the water strainer 4, the top open part of this water strainer 4 has the outwards outstanding flange face 42 of a circle, and has a plurality of equally distributed arc notch 43 on the flange face 42.O-ring seal 5 is used for sealing better the inside surface of this gauge assembly and cavity below the flange face 42 of water strainer 4 and between the inside surface of cavity.Making water can only pass through water strainer 4 enters into down in the air deflector 1
Be placed with an adjuster 3 on this flange face 42; This adjuster 3 is a circular ring part, and this adjuster 3 is complementary with flange face 42, and also has the arc-shaped through-hole 31 of the adjuster 3 that is complementary with arc notch 43; The top of this adjuster 3 is provided with down air deflector 1; This time air deflector 1 is positioned at said filter screen 4, and the top also has the outwards outstanding protruding circle 11 of a circle, and the flange face 42 of this protruding circle 11 and adjuster 3 and water strainer 4 is complementary and is positioned on the adjuster 3.Also has equally distributed arc opening 12 on this protruding circle 11; This arc opening 12 is complementary with arc notch 43 on the water strainer 4 and aims at; Adjuster 3 can horizontally rotate between the flange face 42 of protruding circle 11 and water strainer 4; Because the position sealing and fixing that the top of the flange face 42 at the top of adjuster 3, water strainer 4 and following air deflector 1 and the bottom of last air deflector 6 are connected is in the cavity of housing 100; Current then enter into outlet conduit 90 through water strainer 4 and following air deflector 1 with last air deflector 6 from intake tunnel 80, and the wing wheel 2 between last air deflector 6 and the following air deflector 1 is used to measure the flow velocity of water.Shown in Fig. 6 a, 6b, the arc notch 43 under the arc-shaped through-hole 31 of adjuster 3 is just in time aimed among Fig. 6 a on the air deflector 1, the arc-shaped through-hole 31 among Fig. 6 b on the adjuster 3 turn over 43 exposed portions serve of arc notch on the feasible air deflector 1 down of certain angle.Therefore adjuster 3 can be adjusted the size of arc opening 12 and arc notch 43 in rotation between air deflector 1 and the water strainer 4 down, makes water can part from the arc notch 43 of the arc opening 12 of air deflector 1 down and water strainer 4, flow out.Can adjust the volume of the current of this gauge assembly actual measurement through adjuster 3, prevent the precision that influence is measured because hydraulic pressure is excessive.Such as hydraulic pressure when big, just can adjust adjuster 3 part water is flow through from the arc notch 43 of the arc opening 12 of air deflector 1 down and filter screen, hydraulic pressure hour can be closed this arc opening 12 and arc notch 43.That is to say; This arc notch 43 and the avris relief passage of arc opening 12 formation one near the WT-MSR of cavity madial wall; This adjuster 3 between water strainer and following air deflector 1 can be adjusted the size of this avris relief passage; And then make the volume of current of this gauge assembly actual measurement adjust, and then reduced the influence of hydraulic pressure, improved the measuring accuracy of water meter.Further, can be used for the hydraulic pressure that the user monitors this water metering device in real time, and then can make the user adjust adjuster 3 and then adjustment hydraulic pressure when needed at arranged outside one pressure transducer 7 of this housing 100.
The top of this time air deflector 1 covers the fixing air deflector 6 of going up, and forms a cavity between the upper and lower air deflector and is equipped with a wing wheel 2.Said wing wheel 2 does not have other frictionally along with the unsettled rotation of current around its central shaft between upper and lower air deflector.That is to say the friction force that this wing wheel 2 and its central shaft do not receive miscellaneous part when rotated and brought; Only by the water effect; Though wing wheel 2 has the central shaft that runs through wing wheel 2; And the rear and front end of this central shaft all is inserted in the interior position with fixing this wing wheel 2 of upper and lower air deflector, but all has the gap between the central shaft of wing wheel 2 and the upper and lower air deflector, under flow action; Because the current balanced remote leaves, can wing wheel 2 be stabilized in the central shaft position of air deflector up and down and along with the current fast rotational.Shown in Fig. 2 a, 2b; This time air deflector 1 comprises inboard tubular face 17; And interior annular face in inboard tubular face 17 outsides 15 and exterior annular face 16, and the center, the place ahead of this time air deflector 1 is a ball 13 independently, the rear of ball 13; The center, the place ahead that is inboard tubular face 17 is a circular hole 14, and this inboard tubular face 17 increases the cavity that formation one is used for ccontaining wing wheel 2 backward gradually from these circular hole 14 beginnings.The rear, center of this ball 13 is inserted with an installation shaft 18; Promptly this installation shaft 18 is positioned at the said center, rear of air deflector 1 down; This installation shaft 18 is inserted into mounting hole 22 places of wing wheel 2 front portions; And have the gap between installation shaft 18 and the wing wheel 2, make not contact between the wing wheel 2 and installation shaft 18 when this wing wheel 2 rotates under the effect of current, and then do not have friction force.
As shown in Figure 2, this time air deflector 1 also has and the water (flow) direction almost parallel, between the central shaft of following air deflector 1 and exterior annular face 16, be the equally distributed rectification muscle of dispersion shape.This rectification muscle is divided into short rectification muscle 182 and long rectification muscle 181; And short rectification muscle 182 all evenly distributes along the side face of air deflector 6 with long rectification muscle 181; Short rectification muscle 182 is identical and corresponding one by one with the number of long rectification muscle 181; The plane of every rectification muscle is roughly parallel to the current plane, and each corresponding short rectification muscle 182 with grow that to have angle between the rectification muscle 181 be 8 to spend.Preferably; Shown in Fig. 2 a, 2b; Described long rectification muscle 181 is 6 with short rectification muscle 182; Long rectification muscle 181 is from extension of central axis to the interior annular face 15 of following air deflector 1, and short rectification muscle 182 extends to exterior annular face 16 from the outside surface of the inboard tubular face 17 of following air deflector 1, and the ball 13 in wherein equally distributed three air deflector 1 the place aheads that are connected to down in the long rectification muscle 181.Rectification muscle rectification better through such setting is directed at wing wheel 2 with making water flow stationary.The protruding circle 11 of following air deflector 1 has threaded hole on also, is used for installing and fixing with last air deflector 6.
Shown in Fig. 5 a, 5b, the front portion of this wing wheel 2 is a semisphere round end 21, and the center of this hemispheric round end 21 is a mounting hole 22.The side of round end 21 has around the multi-disc blade 23 that this round end evenly distributes and rotation is extended laterally; This wing wheel 2 also has a circle at interval around round end 21 reinforcement 24 on every side; This reinforcement 24 is divided into outside length, inboard near the short shape in the position of round end 21 with blade 23; Not only strengthened the intensity of blade 23, prevented that blade 23 from producing damage when current are too urgent, simultaneously blade 23 being divided into the long inboard weak point in the outside is to make the rotation of water flow drives wing wheel 2 in order to have better moment.The mounting hole 22 at the center of the round end 21 of wing wheel 2 is consistent with the central shaft of wing wheel 2; The rear of wing wheel 2 also has the inserted link 25 with the central shaft position consistency of wing wheel 2; The center of last air deflector 6 also have one with the center hub 61 of its central shaft position consistency; This inserted link 25 is inserted in the center hub 61 of air deflector 6; And also have the gap between the center hub 61 of this inserted link 25 and following air deflector 6, make also not contact when wing wheel 2 rotates under flow action with between the following air deflector 6, and then accomplish not have frictionally unsettled rotation.Wing wheel 2 adopts the engineering plastics of high-strength low-densities, and the design of blade 23 and reinforcement 24 also makes the intensity of wing wheel 2 increase greatly, increases the serviceable life of flowmeter.The afterbody of said inserted link 25 is connected to counting assembly 104, and the rotational speed of wing wheel 2 is passed to the calculating that counting assembly carries out discharge.And those skilled in the art can know; Might not adopt the form of mounting hole 22 and installation shaft 18 of inserted link 25 and the wing wheel 2 of the utility model to form the central shaft of this wing wheel 2; Also can form the central shaft of other forms of wing wheel 2; As long as this wing wheel 2 and central shaft when rotated can and the parts of its front and back position qualification between have the gap, can not produce the high-acruracy survey that friction can realize the utility model.
Current flow in the housing 1 earlier through after water strainer 4 filtrations from intake tunnel 80; Flow through behind the ball 13 of effect to following air deflector 1 circular hole 14 at ball 13 rears, these circular hole 14 rear sides increase gradually and form a cavity, so behind the water slug ball 13 through the circular hole 14 of air deflector 1 down; Form nozzle at circular hole 14 places; Water is zero at the flow velocity near the cavity wall place that descends air deflector 1, and flow velocity is the highest in the middle of the cavity, and the place ahead of wing wheel 2 is a round end 21; Therefore just produce a kind of Raynaud's phenomenon; Round end 21 just looks like by current bosoms and hold, and round end 21 can be stabilized on the axial line at center of left and right directions because of the water balance effect, and can between the center hub 61 of the installation shaft 18 of air deflector 1 down and last air deflector 6, move up and down along with the size of current.Because all have the space between wing wheel 2 and installation shaft 18 that is connected following air deflector 1 and the center hub 61 on the last air deflector 6; Wing wheel 2 is being stabilized under the effect of current on the central shaft of upper and lower air deflector; And all have the gap between the center hub 61 between the installation shaft 18 on mounting hole 22 and the following air deflector 1, on inserted link 25 and the last air deflector 6, can directly not contact, equal friction force of producing of contact on the rear and front end axial-radial of the central shaft of wing wheel 2; Wing wheel 2 can move up and down and not have frictionally rotation fully under the effect of current; Along with the size of discharge, wing wheel 2 rotational speeies are fast more, and little its rotational speed of flow is slow; Therefore improved the measuring accuracy of this spiral type flowmeter, the serviceable life of the type water ga(u)ge that also extended.Following air deflector 1 outside has the different rectification muscle of two circles, and the current after the rectification are acted on the blade 23 of wing wheel 2 more reposefully.And the place ahead of following air deflector 1 is adopted ball 13 and is not adopted other forms of parts to be because ball 13 can be gathered rectified action better to current, helps circular hole 14 places more and forms Reynolds effect.Certainly those skilled in the art also should recognize; As long as adopt the current principle for balance; Wing wheel 2 can not had frictionally along with the unsettled rotation of current between air deflector 1 and the last air deflector 6 down, just can improve the measuring accuracy of this spiral shell wing water meter accordingly, might not adopt the air deflector up and down of said structure; The above embodiments are the preferred version of the utility model, all should be in the protection domain of the utility model as long as meet the embodiment of above-mentioned principle.
The measures range of present domestic heavy caliber helical vane type water meter is basically at R50 (with reference to GB/T778-2007), and magnetic flowmeter is generally all more than R250, but the utility model uses the removable flowmeter of the vertical spiral shell wing of hydraulic equilibrium principle can reach R500.Compared with prior art; The advantage of the utility model is: 1, compare with traditional helical vane type water meter; The utility model has reduced because of over-type worm gear and has brought kinetic energy rejection; Improved the measuring accuracy of this water metering device greatly, and no longer straight pipeline must be installed before the device, 2, be superior to aspect serviceable life and the reliability with the various flowmeters headed by the electromagnetic flowmeter; 3, it is equally convenient to install, use, keep in repair with common water meter.
Although more than described the preferred embodiment of the utility model in detail, should be expressly understood that for a person skilled in the art, the utility model can have various changes and variation.Any modification of being done within all spirit and principles at the utility model, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. vertical spiral type water metering device; Comprise housing (100), be positioned at horizontally disposed intake tunnel in housing (100) position, both sides (80) and exhalant canal (90), be arranged at the cavity between intake tunnel (80) and the exhalant canal (90); The gauge assembly that the madial wall of vertical setting and center section and cavity is tightly connected in the said cavity; Said intake tunnel (80) is communicated to the bottom of said gauge assembly, and said exhalant canal (90) is communicated to the top of said gauge assembly, it is characterized in that:
The water strainer (4) that is provided with before and after said gauge assembly comprises from bottom to top successively, air deflector (1), wing wheel (2) and go up air deflector (6) down; Said gauge assembly also comprises an adjuster (3) and an avris relief passage near the madial wall of cavity, the size of the said avris relief passage of said adjuster (3) adjustment, and then the volume of the current of adjustment gauge assembly actual measurement.
2. vertical spiral type water metering device as claimed in claim 1; It is characterized in that: said water strainer (4) is a circular goblet; Top open part has the outwards outstanding flange face (42) of a circle, has on the said flange face (42) along the even distributed arc breach of flange face (43);
Said adjuster (3) is a circle shape part, and with corresponding the placing on the said flange face (42) of said flange face (42) size, said adjuster (3) is provided with the arc-shaped through-hole (31) with the corresponding setting of said arc notch (43);
Said air deflector (1) down is positioned at said filter screen (4); And its top has the outwards outstanding protruding circle (11) of a circle; This protruding circle (11) is complementary with the flange face (42) of adjuster (3) and water strainer (4); And this protruding circle (11) is positioned on the adjuster (3); Also has equally distributed arc opening (12) on this protruding circle 11; This arc opening (12) is complementary with arc notch (43) on the water strainer (4) and aims at setting, and said arc notch (43) promptly forms said avris relief passage with arc opening (12), and said adjuster (3) horizontally rotates to adjust the size of arc opening (12) on said arc notch (43) and the following air deflector (1) between the protruding circle (11) of the flange face (42) of said water strainer (4) and following air deflector (1).
3. vertical spiral type water metering device as claimed in claim 2 is characterized in that: said wing wheel (2) is not having frictionally along with the unsettled rotation of current around its central shaft between air deflector (1) and the last air deflector (6) down.
4. vertical spiral type water metering device as claimed in claim 3; It is characterized in that: the front central of said wing wheel (2) is a semisphere round end (21); The center of this semisphere round end (21) is a mounting hole (22); The rear portion of said wing wheel (2) be one with its central shaft position inserted link (25) always, the rear center fixation of said down air deflector (1) has an installation shaft (18) to be inserted in the said mounting hole (22), and has the gap between this installation shaft (18) and the mounting hole (22); Said inserted link (25) is inserted in the center hub (61) of said upward air deflector (6), and has the gap between said inserted link (25) and the said center hub (61).
5. like each described vertical spiral type water metering device of claim 1-4; It is characterized in that: said air deflector (1) down comprises inboard tubular face (17); And the interior annular face (15) and the exterior annular face (16) in inboard tubular face (17) outside; And the center, the place ahead of this time air deflector (1) is a ball (13) independently; The rear of ball (13) is that the center, the place ahead of inboard tubular face (17) is a circular hole (14), and should increase the cavity that formation one is used for ccontaining wing wheel (2) backward gradually from this circular hole (14) beginning by inboard tubular face (17).
6. vertical spiral type water metering device as claimed in claim 5; It is characterized in that: said down air deflector (1) is included in down between central shaft and the exterior annular face (16) of air deflector (1) and is the equally distributed short rectification muscle of dispersion shape (182) and grows rectification muscle (181); Said short rectification muscle (182) all evenly distributes and the identical correspondence one by one of number along the side face of air deflector (6) with long rectification muscle (181); Have angle between the long rectification muscle (181) of said correspondence and the short rectification muscle (182), the part in the total number of said long rectification muscle (181) is connected to said ball (13).
7. vertical spiral type water metering device as claimed in claim 6 is characterized in that: said angle is 8 degree.
8. vertical spiral type water metering device as claimed in claim 4; It is characterized in that: the side of said round end (21) has around this round end (21) and evenly distributes and rotate laterally the multi-disc blade (23) that extends; This wing wheel (2) also has a circle at interval around round end (21) reinforcement (24) on every side, and this reinforcement (24) is divided into the inboard promptly is shorter than the outside near round end (21) side shape with blade (23).
9. like claim 2-4,6 or 7 each said vertical spiral type water metering devices, it is characterized in that: also have a circle O-ring seal (5) between the below of the flange face (42) of said water strainer (4) and the cavity inner surface.
10. vertical spiral type water metering device as claimed in claim 1 is characterized in that: the outside of said housing (100) also is provided with a hydraulic pressure sensor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203965747U CN202304900U (en) | 2011-10-18 | 2011-10-18 | Vertical helix type water metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203965747U CN202304900U (en) | 2011-10-18 | 2011-10-18 | Vertical helix type water metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202304900U true CN202304900U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203965747U Withdrawn - After Issue CN202304900U (en) | 2011-10-18 | 2011-10-18 | Vertical helix type water metering device |
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| CN (1) | CN202304900U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435233A (en) * | 2011-10-18 | 2012-05-02 | 宁波东海仪表水道有限公司 | Vertical spiral wing type water metering device |
| CN106643921A (en) * | 2016-01-26 | 2017-05-10 | 宁波时代仪表有限公司 | Water control machine |
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2011
- 2011-10-18 CN CN2011203965747U patent/CN202304900U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435233A (en) * | 2011-10-18 | 2012-05-02 | 宁波东海仪表水道有限公司 | Vertical spiral wing type water metering device |
| CN106643921A (en) * | 2016-01-26 | 2017-05-10 | 宁波时代仪表有限公司 | Water control machine |
| CN106643921B (en) * | 2016-01-26 | 2024-04-19 | 宁波时代仪表有限公司 | Water control machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120704 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |