CN205537797U

CN205537797U - Flow count device

Info

Publication number: CN205537797U
Application number: CN201620050419.2U
Authority: CN
Inventors: 李晖
Original assignee: Guangzhou Pinyi Huaye Machinery Equipment Co Ltd
Current assignee: Guangzhou Pinyi Huaye Machinery Equipment Co Ltd
Priority date: 2016-01-19
Filing date: 2016-01-19
Publication date: 2016-08-31
Anticipated expiration: 2026-01-19

Abstract

The utility model belongs to the technical field of the metering device technique and specifically relates to a flow count device is related to. The utility model provides a flow count device includes pedestal, two runners, two location gears and two main shafts, being provided with the working chamber on the pedestal, being provided with the recess on the lateral wall of working chamber, the fixed setting of one end of two main shafts is on the interior bottom surface of recess, all be provided with a location gear on every runner, a runner and a location gear are worn to establish outside a main shaft, two positioning tooth wheels lie in recess and intermeshing, two runners have the clearance of predetermineeing. The utility model provides a flow count device, main shaft and pedestal fixed connection, the runner is established on the main shaft with location gear cover, rotates relatively with the main shaft, has avoided because of using the bearing to lead to the fact lubricating oil to the pollution of food such as pure water, can make this flow count device be used for the measurement of food such as pure water, and simultaneously, the positioning tooth wheel lies in the working chamber, and simple structure is compact, has reduced the whole volume of flowmeter.

Description

Flow counting device

Technical field

This utility model relates to metering device technical field, especially relates to a kind of flow counting device.

Background technology

Volumetric flowmeter, also known as fixed displacement effusion meter, is the class that precision is the highest in flow instrument.It utilizes mechanical measurement element fluid to be continuously divided into single known volume fractiion, is the most repeatedly full of according to measuring chamber and discharges the number of times of this volume fractiion fluid and measures fluid volume total amount.

At present, most-often used is oval gear flowmeter and two leaf rotz flowmeters, there is problems of, waist wheel or oval gear are fixed with main shaft and are connected, and main shaft is rotationally connected by bearing with pedestal, owing to bearing needs lubrication, pure water can be polluted, therefore this metering device cannot be applied in pure water fill, and on the one hand the range of application of volumetric metering meter is restricted, and on the other hand makes pure water fill inefficiency.

Utility model content

The purpose of this utility model is to provide a kind of flow counting device, to solve to be not used to present in prior art the technical problem of pure water fill.

The flow counting device that this utility model provides includes pedestal, two runners, two location gears and two main shafts；Being provided with working chamber on pedestal, the sidewall of working chamber is provided with groove, one end of two main shafts is fixedly installed on the inner bottom surface of groove；It is provided with a location gear, a runner and a positioning tooth wheel on each runner to be set in outside a main shaft；Two positioning tooth wheels are positioned at groove, and engage each other；Two runners have prepsetting gap.

Further, fast connection mechanism is also included；Being relatively set with inlet opening and apopore on pedestal, and inlet opening all connects with working chamber with apopore, the opening direction of inlet opening is all vertical with the axis direction of main shaft with the opening direction of apopore；Fast connection mechanism is connected with inlet opening, for being connected with external pipe inlet opening.

Further, fast connection mechanism includes connecing soon clip, first connects chuck and second soon and connect chuck soon；First connects chuck and second soon connects chuck the soonest；The first internal ring edge connecing chuck soon is connected with inlet opening, and second connects the internal ring edge of chuck soon for being connected with external pipe；Connect hoop sleeve soon to be located at first and connect chuck and second soon and connect soon outside chuck, connect chuck be soon fixed together for connecing chuck and second soon by first.

Further, being all equipped with food grade plastic axle sleeve in the axis hole of in the axis hole of runner and location gear, plastic sleeve is set on main shaft.

Further, location gear being provided with Magnet, pedestal outer surface is provided with magnetic resistance induction apparatus；Magnetic resistance induction apparatus is for the rotating excitation field of induced magnet.Further, the two ends of plastic sleeve are provided with boss, and two boss are respectively positioned on outside runner and location gear.Further, runner is SANYE waist wheel, and SANYE waist wheel includes that cross section is annular central shaft and three blades, and three blades enclose centered by central shaft and set on center shaft；The cross section of each blade is that kidney-shaped is poroid, and the bearing of trend of each blade is all consistent with the axis direction of central shaft；One end of one central shaft is welded and fixed with a location gear.

Further, groove is two circular troughs, and two circular troughs are in the gear place of the being meshed connection of two location；The center of two circular troughs is provided with installing hole, and one end of main shaft is fixedly installed in installing hole.

Further, pedestal includes base and end cap, and base is the hollow housing of one end open, and groove is arranged on base away from the sidewall of its opening, and inlet opening is arranged on apopore on two sidewalls that base is relative；End cap is arranged on the opening of base, for the opening of sealed base；Base and end cap surround working chamber；First connects the internal ring edge of chuck with inlet opening soon by being welded and fixed.

Further, pedestal, runner, location gear, main shaft, first connect chuck soon, the second material connecing chuck and end cap soon is food stage 316 steel.

The flow counting device that this utility model provides includes pedestal, two runners, two location gears and two main shafts；Being provided with working chamber on pedestal, the sidewall of working chamber is provided with groove, one end of two main shafts is fixedly installed on the inner bottom surface of groove；It is provided with a location gear, a runner and a positioning tooth wheel on each runner to be set in outside a main shaft；Two positioning tooth wheels are positioned at groove, and engage each other；Two runners have prepsetting gap.The flow counting device that this utility model provides, main shaft is fixing with pedestal to be connected, and runner and positioning tooth wheel are set on main shaft, relatively rotate with main shaft, avoid and cause the lubricating oil pollution to food such as pure water because using bearing, this flow counting device can be made for the metering of the food such as pure water, and meanwhile, positioning tooth wheel is positioned at working chamber, simple in construction, compact, reduce the overall volume of effusion meter so that it is attractive in appearance.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

The structural representation of the flow counting device that Fig. 1 provides for this utility model embodiment；

Fig. 2 is the profile of the flow counting device shown in Fig. 1；

Runner and the structural representation of location gear in the flow counting device that Fig. 3 provides for this utility model embodiment；

The structural representation of fast connection mechanism in the flow counting device that Fig. 4 provides for this utility model embodiment；

The flow counting device that Fig. 5 provides for this utility model embodiment connects the structural representation of clip soon；

The structural representation of pedestal in the flow counting device that Fig. 6 provides for this utility model embodiment；

The profile of pedestal in the flow counting device that Fig. 7 provides for this utility model embodiment.

Reference:

1-pedestal；11-working chamber；12-groove；

121-circular groove；13-inlet opening；14-apopore；

15-base；16-end cap；17-installing hole；

2-runner；21-SANYE waist is taken turns；211-central shaft；

212-blade；3-positions gear；4-main shaft；

The fast connection mechanism of 5-；51-connects clip soon；52-first connects chuck soon；

53-second connects chuck soon；6-plastic sleeve.

Detailed description of the invention

Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.

In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.

The structural representation of the flow counting device that Fig. 1 provides for this utility model embodiment；Fig. 2 is the profile of the flow counting device shown in Fig. 1；Runner and the structural representation of location gear in the flow counting device that Fig. 3 provides for this utility model embodiment, the structural representation of pedestal in the flow counting device that Fig. 6 provides for this utility model embodiment, the profile of pedestal in the flow counting device that Fig. 7 provides for this utility model embodiment.As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6 and Fig. 7, the flow counting device that this utility model provides includes 1, two runners of pedestal 2, two location gear 3 and two main shafts 4；Being provided with working chamber 11 on pedestal 1, the sidewall of working chamber 11 is provided with groove 12, one end of two main shafts 4 is fixedly installed on the inner bottom surface of groove 12；It is provided with a location gear 3, a runner 2 and a location gear 3 on each runner 2 to be set in outside a main shaft 4；Two location gears 3 are positioned at groove 12, and engage each other；Two runners 2 have prepsetting gap.

Wherein, the version of runner 2 has multiple, such as: waist wheel, elliptic wheel or avette take turns.Runner 2 material can be multiple, such as: plastics, pottery or rustless steel etc..

The material of main shaft 4 can be multiple, such as: plastics, pottery or rustless steel etc..

The material of pedestal 1 has multiple, such as: plastics, cast iron or rustless steel etc..

Main shaft 4 has multiple, such as with the connected mode of working chamber 11 bottom surface: welding, clamping or be threaded connection.

The fixed form of runner 2 and location gear 3 has multiple, such as: clamping or be threaded connection.

Gap between runner 2 is determined by specifically used situation, in the case of not affecting metric results, arranges certain gap, make runner 2 rotate sensitive between runner 2.

The inwall of working chamber 11 and top and bottom, the outer wall of runner 2 and upper and lower end face form a space closed, i.e. measuring room, in measuring room, fluid volume is the single volume that continuous fluid is divided into by runner 2.Two runners 2 are tangent, two location gears 3 are meshed, one of them runner 2 rotates under conditions of pressure differential, the location gear 3 being attached thereto is driven to rotate, this location gear 3 drives another to position pinion rotation, thus drives another runner 2 to rotate, thus discharges the fluid of a metering chamber volumes, runner 2 rotates a circle, and discharges the fluid of multiple metering chamber volumes.

The flow counting device that this utility model provides, main shaft 4 is fixing with pedestal 1 to be connected, runner 2 and location gear 3 are set on main shaft 4, relatively rotate with main shaft 4, it is to avoid cause the lubricating oil pollution to food such as pure water because using bearing, this flow counting device can be made for the metering of the food such as pure water, meanwhile, location gear 3 is positioned at working chamber 11, simple and compact for structure, reduce the overall volume of effusion meter so that it is attractive in appearance.

The structural representation of fast connection mechanism in the flow counting device that Fig. 4 provides for this utility model embodiment.As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 6 and Fig. 7, on above-described embodiment basis, further, also include fast connection mechanism 5；Being relatively set with inlet opening 13 and apopore 14 on pedestal 1, and inlet opening 13 all connects with working chamber 11 with apopore 14, the opening direction of inlet opening 13 is all vertical with the axis direction of main shaft 4 with the opening direction of apopore 14；Fast connection mechanism 5 is connected with inlet opening 13, for being connected with external pipe inlet opening 13.

Wherein, the version of fast connection mechanism 5 has multiple, such as: fast connection mechanism 5 includes the first connection dish and the second connection dish, and the first connection dish is connected with inlet opening, can be fixed on pedestal 1 by the mode such as welding or threaded, second connection dish is connected fixing with external pipe, second connection dish is provided with card, correspondingly, the first connection dish arranges buckle, card is located in hole clipping, thus external pipe is connected with inlet opening 13；

And for example: at the outside sheathed sleeve pipe of the first connection dish and the second connection dish, sleeve pipe includes the first half ring plates and the second half ring plates, one end of one end of the first half ring plates and the second half ring plates is rotationally connected, the other end of the first half ring plates arranges card convex, the other end of the second half ring plates arranges hole clipping, card convex is fastened in hole clipping, thus external pipe is connected with inlet opening 13.

External pipe is connected by fast connection mechanism 5 with inlet opening 13, and the liquid such as water are delivered in working chamber 11 by pipeline by inlet opening 13, is measured by the runner 2 in working chamber 11, location gear 3 and main shaft 4 convection cell.

Alternatively, it is also possible to use fast connection mechanism 5 to be connected with external pipe or other output devices by outlet 14.

Fast connection mechanism 5 makes the installation of pedestal 1 and external pipe simply, easy to operate, can save the labor time of staff, improves efficiency, reduces cost.

The flow counting device that Fig. 5 provides for this utility model embodiment connects the structural representation of clip soon.As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, on above-described embodiment basis, further, fast connection mechanism 5 includes connecing soon clip 51, first and connects chuck 52 and second soon and connect chuck 53 soon；First connects chuck 51 and second soon connects chuck 52 the soonest；The first internal ring edge connecing chuck 51 soon is connected with inlet opening 13, and second connects the internal ring edge of chuck 52 soon for being connected with external pipe；Connect clip 51 soon to be set in first and connect chuck 52 and second soon and connect outside chuck 53 soon, connect chuck 53 be soon fixed together for connecing chuck 52 and second soon by first.

Wherein, first chuck 52 is connect soon and the second version connecing chuck 53 soon has multiple, such as: first, second connects the hollow circular cylinder that chuck is both ends open soon；Or connect chuck 52 soon and second one end connecing chuck 53 soon is provided with flange first, connect clip 51 soon and be fastened on outside both flange.

First connects chuck 51 soon has multiple with the connected mode of inlet opening 13, preferably employing is welded and fixed, it is welded and fixed and makes the first connection connecing chuck 51 and pedestal 1 soon add firmly, good stability, shock resistance, it is to avoid drainage occurs in the junction at the first internal ring edge and inlet opening 13 connecing chuck 51 soon.

When installing the flow counting device that this utility model provides, connect chuck 52 soon to be fixed first with pedestal 1 by modes such as welding, connect chuck 53 by second soon and be connected with external pipe fixing, connect chuck 52 and second soon to connect chuck 53 soon dock first, with connecing clip 51 soon, both are directly fixed.This structure makes flow counting device convenience quick for installation, and stable；Ensure that gage work is to axiality or the requirement of the depth of parallelism, it is possible to ensure the accuracy that this flow counting device measures.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6 and Fig. 7, on above-described embodiment basis, further, being all equipped with food grade plastic axle sleeve 6 in the axis hole of in the axis hole of runner 2 and location gear 3, plastic sleeve 6 is set on main shaft 4.

Wherein, plastic sleeve 6 can make runner 2 and location gear 3 more smooth and easy relative to the rotation of main shaft 4, and reduces the parts depreciation in rotation process, extends the service life of part, reduces cost.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6 and Fig. 7, on above-described embodiment basis, further, location gear 3 being provided with Magnet, pedestal outer surface is provided with magnetic resistance induction apparatus；Magnetic resistance induction apparatus is for the rotating excitation field of induced magnet.Wherein, use Magnet to coordinate with special magnetoresistive transducer and measure fluid volume, and Magnet is arranged on the gear of location, this configuration avoids main shaft 4 and stretches out outside pedestal, simplify the overall structure of flow counting device, and improve the sealing of this flow counting device.

The quantity of Magnet to determine according to concrete service condition, such as: the quantity of Magnet is 6 settings, according to runner 2 at 6 pulse signals of output that rotate a circle, it is thus achieved that the fluid of 6 metering chamber volumes.

Rotated by Magnet 7 Magnet and produce rotating excitation field, by special magnetic resistance sensor sensing changes of magnetic field, output corresponding signal, fluid volume size is converted into the signal of telecommunication, pass to peripheral control unit again, indicating the convection cell volume fill of valve body mechanism to be controlled, user can also directly read fluid volume from controller.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6 and Fig. 7, on above-described embodiment basis, further, the two ends of plastic sleeve 6 are provided with boss, and two boss are respectively positioned on outside runner 2 and location gear 3.

Wherein, boss makes between one end end face of runner 2 and pedestal 1 inwall, and all there is certain gap between one end end face and groove 12 inner bottom surface of location gear 3, it should be noted that, this gap is less, does not interferes with metric results, and the friction between runner 2 and pedestal 1 inwall and location gear 3 and the inner bottom surface of groove 12 can be made to reduce, rotary resistance can be reduced, improve the susceptiveness of this flow counting device.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6 and Fig. 7, on above-described embodiment basis, further, runner 2 takes turns 21 for SANYE waist, SANYE waist wheel 21 includes that cross section is annular central shaft 211 and three blades 212, and three blades 212 enclose centered by central shaft 211 and are located on central shaft 211；The cross section of each blade 212 is that kidney-shaped is poroid, and the bearing of trend of each blade 212 is all consistent with the axis direction of central shaft 211；One end of one central shaft 211 is welded and fixed with a location gear 3.

Wherein, SANYE waist wheel 21 to two leaf waist wheel stable movement, the pressure loss is little, reduces error in dipping.

Owing to gage work is higher to the matching requirements of runner 2 and location gear 3, therefore use welding by runner 2 and location gear 3 integration, while ensure that assembly precision, improve runner 2 and the impact resistance of location gear 3, make it high pressure resistant, thus ensure being normally carried out of gage work.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6 and Fig. 7, on above-described embodiment basis, further, groove 12 is two circular troughs 121, and two circular troughs 121 connect at gear 3 place of being meshed, two location；The center of two circular troughs 121 is provided with installing hole 17, and one end of main shaft 4 is fixedly installed in installing hole 17.

Wherein, circular groove 121 is equal with the size of location gear 3, in the case of not affecting location gear 3 rotation, improves sealing, it is to avoid the impact on location gear of leaking.

Being fixed in installing hole 121 by main shaft 4 by interference fit, this connected mode, in the case of ensureing that main shaft 4 firmly installs and meets matching requirements, is convenient for changing part.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6 and Fig. 7, on above-described embodiment basis, further, pedestal 1 includes base 15 and end cap 16, base 15 is the hollow housing of one end open, groove 12 is arranged on base 15 away from the sidewall of its opening, and inlet opening 13 is arranged on apopore 14 on two sidewalls that base 15 is relative；End cap 16 is arranged on the opening of base 15, for the opening of sealed base 15；Base 15 and end cap 16 surround working chamber 11.

Wherein, pedestal 1 is set to double-body bike, facilitates the installation of flow counting device inner body, dismantle or change, reduce use cost.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6 and Fig. 7, on above-described embodiment basis, further, pedestal 1, runner 2, location gear 3, main shaft 4, first connect the material that chuck 52, second connects chuck 53 and end cap 16 soon soon and are food stage 316 steel.

Wherein, pedestal 1, runner 2, location gear 3, main shaft 4, first connect chuck 52, second soon and connect material employing food stage 316 steel of chuck 53 and end cap 16 soon, it is ensured that the safety and sanitation of the food such as pure water, ensure that the health of people is without prejudice.

It should be noted that the flow counting device that this utility model provides is two-way available, i.e. external pipe is when working chamber 11 carries water, no matter from inlet opening 13 water inlet or intakes from apopore 14, can normally work.The flow counting device that this utility model provides, practicality and motility are the highest, are applicable not only to the metering of the food such as pure water, it is also possible to be applied to the metering of oil or gas etc..

Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of this utility model each embodiment technical scheme.

Claims

1. a flow counting device, it is characterised in that including: pedestal, two runners, two location gears and two main shafts；

Being provided with working chamber on described pedestal, the sidewall of described working chamber is provided with groove, one end of two described main shafts is fixedly installed on the inner bottom surface of described groove；

It is provided with a described location gear, a described runner and a described positioning tooth wheel on each described runner to be set in outside a described main shaft；Two described positioning tooth wheels are positioned at described groove, and engage each other；Two described runners have prepsetting gap.

Flow counting device the most according to claim 1, it is characterised in that also include fast connection mechanism；

Being relatively set with inlet opening and apopore on described pedestal, and described inlet opening all connects with described working chamber with described apopore, the opening direction of described inlet opening is all vertical with the axis direction of described main shaft with the opening direction of described apopore；Described fast connection mechanism is connected with described inlet opening, for being connected with external pipe described inlet opening.

Flow counting device the most according to claim 2, it is characterised in that described fast connection mechanism includes connecing soon clip, first connects chuck and second soon and connect chuck soon；Described first connects chuck and described second soon connects chuck the soonest；

The described first internal ring edge connecing chuck soon is connected with described inlet opening, and described second connects the internal ring edge of chuck soon for being connected with external pipe；The described hoop sleeve that connects soon is located at described first and connects chuck and described second soon and connect soon outside chuck, connects chuck be soon fixed together for connecing chuck and described second soon by described first.

Flow counting device the most according to claim 1, it is characterised in that being all equipped with food grade plastic axle sleeve in the axis hole of described runner and in the axis hole of described location gear, described plastic sleeve is set on described main shaft.

Flow counting device the most according to claim 1, it is characterised in that be provided with Magnet on the gear of described location, described pedestal outer surface is provided with magnetic resistance induction apparatus；Described magnetic resistance induction apparatus is for sensing the rotating excitation field of described Magnet.

Flow counting device the most according to claim 4, it is characterised in that the two ends of described plastic sleeve are provided with boss, and two described boss are respectively positioned on outside described runner and described location gear.

7. according to the flow counting device described in any one of claim 1-6, it is characterized in that, described runner is SANYE waist wheel, and described SANYE waist wheel includes that cross section is annular central shaft and three blades, and three described blades enclose centered by described central shaft and are located on described central shaft；The cross section of each described blade is that kidney-shaped is poroid, and the bearing of trend of each described blade is all consistent with the axis direction of described central shaft；

One end of one described central shaft is welded and fixed with a described location gear.

Flow counting device the most according to claim 7, it is characterised in that described groove is two circular troughs, two described circular troughs connect at the gear place of being meshed, two described location；The center of two described circular troughs is provided with installing hole, and one end of described main shaft is fixedly installed in described installing hole.

Flow counting device the most according to claim 3, it is characterized in that, described pedestal includes base and end cap, described base is the hollow housing of one end open, described groove is arranged on described base away from the sidewall of its opening, and described inlet opening is arranged on apopore on two sidewalls that described base is relative；Described end cap is arranged on the opening of described base, for sealing the opening of described base；Described base and described end cap surround described working chamber；

Described first connects the internal ring edge of chuck with described inlet opening soon by being welded and fixed.

Flow counting device the most according to claim 9, it is characterised in that described pedestal, described runner, described location gear, described main shaft, described first connect chuck soon, the described second material connecing chuck and described end cap soon is food stage 316 steel.